Merge pull request #201 from snshn/refactor-and-version-bump

Refactor and version bump
Merge pull request #202 from snshn/minus-stdout
2020-07-14 03:51:31 -04:00 · 2020-07-14 03:51:18 -04:00 · 2020-07-14 03:35:59 -04:00 · 2020-07-14 03:29:08 -04:00 · 2020-07-14 03:27:52 -04:00 · 2020-07-14 03:24:10 -04:00
76 changed files with 4944 additions and 3135 deletions
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -1,131 +0,0 @@
-# Appveyor configuration template for Rust using rustup for Rust installation
-# https://github.com/starkat99/appveyor-rust
-
-## Operating System (VM environment) ##
-
-# Rust needs at least Visual Studio 2013 Appveyor OS for MSVC targets.
-os: Visual Studio 2015
-
-## Build Matrix ##
-
-# This configuration will setup a build for each channel & target combination (12 windows
-# combinations in all).
-#
-# There are 3 channels: stable, beta, and nightly.
-#
-# Alternatively, the full version may be specified for the channel to build using that specific
-# version (e.g. channel: 1.5.0)
-#
-# The values for target are the set of windows Rust build targets. Each value is of the form
-#
-# ARCH-pc-windows-TOOLCHAIN
-#
-# Where ARCH is the target architecture, either x86_64 or i686, and TOOLCHAIN is the linker
-# toolchain to use, either msvc or gnu. See https://www.rust-lang.org/downloads.html#win-foot for
-# a description of the toolchain differences.
-# See https://github.com/rust-lang-nursery/rustup.rs/#toolchain-specification for description of
-# toolchains and host triples.
-#
-# Comment out channel/target combos you do not wish to build in CI.
-#
-# You may use the `cargoflags` and `RUSTFLAGS` variables to set additional flags for cargo commands
-# and rustc, respectively. For instance, you can uncomment the cargoflags lines in the nightly
-# channels to enable unstable features when building for nightly. Or you could add additional
-# matrix entries to test different combinations of features.
-environment:
-  matrix:
-
-### MSVC Toolchains ###
-
-  # Stable 64-bit MSVC
-    - channel: stable
-      target: x86_64-pc-windows-msvc
-  # Stable 32-bit MSVC
-    - channel: stable
-      target: i686-pc-windows-msvc
-  # Beta 64-bit MSVC
-    - channel: beta
-      target: x86_64-pc-windows-msvc
-  # Beta 32-bit MSVC
-    - channel: beta
-      target: i686-pc-windows-msvc
-  # Nightly 64-bit MSVC
-    - channel: nightly
-      target: x86_64-pc-windows-msvc
-      cargoflags: --features "unstable"
-  # Nightly 32-bit MSVC
-    - channel: nightly
-      target: i686-pc-windows-msvc
-      cargoflags: --features "unstable"
-
-### GNU Toolchains ###
-
-  # Stable 64-bit GNU
-    - channel: stable
-      target: x86_64-pc-windows-gnu
-      MINGW_PATH: 'C:\mingw-w64\x86_64-6.3.0-posix-seh-rt_v5-rev1\mingw64\bin'
-  # Stable 32-bit GNU
-    - channel: stable
-      target: i686-pc-windows-gnu
-      MINGW_PATH: 'C:\MinGW\bin'
-  # Beta 64-bit GNU
-    - channel: beta
-      target: x86_64-pc-windows-gnu
-      MINGW_PATH: 'C:\mingw-w64\x86_64-6.3.0-posix-seh-rt_v5-rev1\mingw64\bin'
-  # Beta 32-bit GNU
-    - channel: beta
-      target: i686-pc-windows-gnu
-      MINGW_PATH: 'C:\MinGW\bin'
-  # Nightly 64-bit GNU
-    - channel: nightly
-      target: x86_64-pc-windows-gnu
-      MINGW_PATH: 'C:\mingw-w64\x86_64-6.3.0-posix-seh-rt_v5-rev1\mingw64\bin'
-      cargoflags: --features "unstable"
-  # Nightly 32-bit GNU
-    - channel: nightly
-      target: i686-pc-windows-gnu
-      MINGW_PATH: 'C:\MinGW\bin'
-      cargoflags: --features "unstable"
-
-### Allowed failures ###
-
-# See Appveyor documentation for specific details. In short, place any channel or targets you wish
-# to allow build failures on (usually nightly at least is a wise choice). This will prevent a build
-# or test failure in the matching channels/targets from failing the entire build.
-matrix:
-  allow_failures:
-    - channel: nightly
-    - channel: beta
-
-# If you only care about stable channel build failures, uncomment the following line:
-    #- channel: beta
-
-## Install Script ##
-
-# This is the most important part of the Appveyor configuration. This installs the version of Rust
-# specified by the 'channel' and 'target' environment variables from the build matrix. This uses
-# rustup to install Rust.
-#
-# For simple configurations, instead of using the build matrix, you can simply set the
-# default-toolchain and default-host manually here.
-install:
-  - appveyor DownloadFile https://win.rustup.rs/ -FileName rustup-init.exe
-  - rustup-init -yv --default-toolchain %channel% --default-host %target%
-  - set PATH=%PATH%;%USERPROFILE%\.cargo\bin
-  - if defined MINGW_PATH set PATH=%PATH%;%MINGW_PATH%
-  - rustc -vV
-  - cargo -vV
-  - rustup component add rustfmt
-
-## Build Script ##
-
-# 'cargo test' takes care of building for us, so disable Appveyor's build stage. This prevents
-# the "directory does not contain a project or solution file" error.
-build: false
-
-# Uses 'cargo test' to run tests and build. Alternatively, the project may call compiled programs
-# directly or perform other testing commands. Rust will automatically be placed in the PATH
-# environment variable.
-test_script:
-  - cargo build --all --locked --verbose %cargoflags%
-  - cargo test --all --locked --verbose %cargoflags%
--- a/.github/workflows/build_gnu_linux.yml
+++ b/.github/workflows/build_gnu_linux.yml
@@ -0,0 +1,22 @@
+name: GNU/Linux
+
+on:
+  push:
+    branches: [ master ]
+
+jobs:
+  build:
+
+    strategy:
+      matrix:
+        os:
+          - ubuntu-latest
+        rust:
+          - stable
+    runs-on: ${{ matrix.os }}
+
+    steps:
+    - run: git config --global core.autocrlf false
+    - uses: actions/checkout@v2
+    - name: Build
+      run: cargo build --all --locked --verbose
--- a/.github/workflows/build_macos.yml
+++ b/.github/workflows/build_macos.yml
@@ -0,0 +1,22 @@
+name: macOS
+
+on:
+  push:
+    branches: [ master ]
+
+jobs:
+  build:
+
+    strategy:
+      matrix:
+        os:
+          - macos-latest
+        rust:
+          - stable
+    runs-on: ${{ matrix.os }}
+
+    steps:
+    - run: git config --global core.autocrlf false
+    - uses: actions/checkout@v2
+    - name: Build
+      run: cargo build --all --locked --verbose
--- a/.github/workflows/build_windows.yml
+++ b/.github/workflows/build_windows.yml
@@ -0,0 +1,22 @@
+name: Windows
+
+on:
+  push:
+    branches: [ master ]
+
+jobs:
+  build:
+
+    strategy:
+      matrix:
+        os:
+          - windows-latest
+        rust:
+          - stable
+    runs-on: ${{ matrix.os }}
+
+    steps:
+    - run: git config --global core.autocrlf false
+    - uses: actions/checkout@v2
+    - name: Build
+      run: cargo build --all --locked --verbose
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -0,0 +1,67 @@
+# CD GitHub Actions workflow for Monolith
+
+name: CD
+
+on:
+  release:
+    types:
+    - created
+
+jobs:
+
+  windows:
+    runs-on: windows-2019
+    steps:
+    - run: git config --global core.autocrlf false
+    - name: Checkout the repository
+      uses: actions/checkout@v2
+    - name: Build the executable
+      run: cargo build --release
+    - uses: Shopify/upload-to-release@1.0.0
+      with:
+        name: monolith.exe
+        path: target\release\monolith.exe
+        repo-token: ${{ secrets.GITHUB_TOKEN }}
+
+  gnu_linux_armhf:
+    runs-on: ubuntu-18.04
+    steps:
+    - name: Checkout the repository
+      uses: actions/checkout@v2
+    - name: Prepare cross-platform environment
+      run: |
+        sudo mkdir -p /cross-build-arm
+        sudo touch /etc/apt/sources.list.d/armhf.list
+        echo "deb [arch=armhf] http://ports.ubuntu.com/ubuntu-ports/ bionic main" | sudo tee -a /etc/apt/sources.list.d/armhf.list
+        sudo apt-get update
+        sudo apt-get install -y gcc-arm-linux-gnueabihf libc6-armhf-cross libc6-dev-armhf-cross
+        sudo apt-get download libssl1.1:armhf libssl-dev:armhf
+        sudo dpkg -x libssl1.1*.deb /cross-build-arm
+        sudo dpkg -x libssl-dev*.deb /cross-build-arm
+        rustup target add arm-unknown-linux-gnueabihf
+        echo "::set-env name=C_INCLUDE_PATH::/cross-build-arm/usr/include"
+        echo "::set-env name=OPENSSL_INCLUDE_DIR::/cross-build-arm/usr/include/arm-linux-gnueabihf"
+        echo "::set-env name=OPENSSL_LIB_DIR::/cross-build-arm/usr/lib/arm-linux-gnueabihf"
+        echo "::set-env name=PKG_CONFIG_ALLOW_CROSS::1"
+        echo "::set-env name=RUSTFLAGS::-C linker=arm-linux-gnueabihf-gcc -L/usr/arm-linux-gnueabihf/lib -L/cross-build-arm/usr/lib/arm-linux-gnueabihf -L/cross-build-arm/lib/arm-linux-gnueabihf"
+    - name: Build the executable
+      run: cargo build --release --target=arm-unknown-linux-gnueabihf
+    - name: Attach artifact to the release
+      uses: Shopify/upload-to-release@1.0.0
+      with:
+        name: monolith-gnu-linux-armhf
+        path: target/arm-unknown-linux-gnueabihf/release/monolith
+        repo-token: ${{ secrets.GITHUB_TOKEN }}
+
+  gnu_linux_x86_64:
+    runs-on: ubuntu-18.04
+    steps:
+    - name: Checkout the repository
+      uses: actions/checkout@v2
+    - name: Build the executable
+      run: cargo build --release
+    - uses: Shopify/upload-to-release@1.0.0
+      with:
+        name: monolith-gnu-linux-x86_64
+        path: target/release/monolith
+        repo-token: ${{ secrets.GITHUB_TOKEN }}
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,32 @@
+name: CI
+
+on:
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build_and_test:
+
+    strategy:
+      matrix:
+        os:
+          - ubuntu-latest
+          - macos-latest
+          - windows-latest
+        rust:
+          - stable
+          - beta
+          - nightly
+    runs-on: ${{ matrix.os }}
+
+    steps:
+    - run: git config --global core.autocrlf false
+    - uses: actions/checkout@v2
+    - name: Build
+      run: cargo build --all --locked --verbose
+    - name: Run tests
+      run: cargo test --all --locked --verbose
+    - name: Check code formatting
+      run: |
+        rustup component add rustfmt
+        cargo fmt --all -- --check
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,37 +0,0 @@
-language: rust
-cache: cargo
-
-os:
- linux
- osx
- windows
-
-rust:
- stable
- beta
- nightly
-
-git:
-  autocrlf: false # don't mangle LF into CRLF on windows
-
-before_script:
- rustup component add rustfmt
-
-script:
- cargo build --all --locked --verbose
- cargo test --all --locked --verbose
- |
-  if [[ "$TRAVIS_RUST_VERSION" == "stable" ]]; then
-    cargo fmt --all -- --check
-  fi
-
-after_success: |
-  if [ "${TRAVIS_OS_NAME}" == linux ] && [ "${TRAVIS_RUST_VERSION}" == stable ]; then
-    docker build -t monolith .
-    docker run monolith monolith -V
-  fi
-
-jobs:
-  allow_failures:
-  - rust: nightly
-  fast_finish: true
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -20,26 +20,26 @@ source = "registry+https://github.com/rust-lang/crates.io-index"

 [[package]]
 name = "assert_cmd"
-version = "0.12.0"
+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
 "doc-comment 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "escargot 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "predicates 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
 "predicates-core 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "predicates-tree 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wait-timeout 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]

 [[package]]
 name = "async-compression"
-version = "0.2.0"
+version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
 "bytes 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
 "flate2 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)",
 "futures-core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 "memchr 2.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "pin-project-lite 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pin-project-lite 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]

 [[package]]
@@ -56,9 +56,14 @@ name = "autocfg"
 version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"

+[[package]]
+name = "autocfg"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "base64"
-version = "0.11.0"
+version = "0.12.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"

 [[package]]
@@ -66,11 +71,40 @@ name = "bitflags"
 version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"

+[[package]]
+name = "block-buffer"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "block-padding 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byte-tools 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "generic-array 0.14.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "block-padding"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "byte-tools 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "bumpalo"
 version = "3.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"

+[[package]]
+name = "byte-tools"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "byteorder"
+version = "1.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "bytes"
 version = "0.5.3"
@@ -94,9 +128,19 @@ name = "cfg-if"
 version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"

+[[package]]
+name = "chrono"
+version = "0.4.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "num-integer 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-traits 0.2.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "clap"
-version = "2.33.0"
+version = "2.33.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
 "ansi_term 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -168,6 +212,14 @@ name = "difference"
 version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"

+[[package]]
+name = "digest"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "generic-array 0.14.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "doc-comment"
 version = "0.3.1"
@@ -195,15 +247,9 @@ dependencies = [
 ]

 [[package]]
-name = "escargot"
-version = "0.5.0"
+name = "fake-simd"
+version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
-]

 [[package]]
 name = "flate2"
@@ -303,6 +349,15 @@ dependencies = [
 "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]

+[[package]]
+name = "generic-array"
+version = "0.14.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "typenum 1.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "version_check 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "getrandom"
 version = "0.1.13"
@@ -315,7 +370,7 @@ dependencies = [

 [[package]]
 name = "h2"
-version = "0.2.1"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
 "bytes 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -328,7 +383,7 @@ dependencies = [
 "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
 "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
 "tokio 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-util 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-util 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]

 [[package]]
@@ -386,21 +441,21 @@ source = "registry+https://github.com/rust-lang/crates.io-index"

 [[package]]
 name = "hyper"
-version = "0.13.1"
+version = "0.13.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
 "bytes 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
 "futures-channel 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 "futures-core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 "futures-util 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "h2 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "h2 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
 "http 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "http-body 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 "httparse 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
 "itoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
 "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
 "pin-project 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "socket2 0.3.12 (registry+https://github.com/rust-lang/crates.io-index)",
 "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
 "tokio 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "tower-service 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -412,7 +467,7 @@ name = "hyper-tls"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "hyper 0.13.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hyper 0.13.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "native-tls 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 "tokio 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "tokio-tls 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -568,14 +623,16 @@ dependencies = [

 [[package]]
 name = "monolith"
-version = "2.2.1"
+version = "2.3.0"
 dependencies = [
- "assert_cmd 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "base64 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "clap 2.33.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "assert_cmd 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "base64 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "chrono 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "clap 2.33.1 (registry+https://github.com/rust-lang/crates.io-index)",
 "cssparser 0.27.2 (registry+https://github.com/rust-lang/crates.io-index)",
 "html5ever 0.24.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "reqwest 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "reqwest 0.10.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "sha2 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "tempfile 3.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "url 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -621,6 +678,23 @@ dependencies = [
 "version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]

+[[package]]
+name = "num-integer"
+version = "0.1.43"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
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 "checksum num_cpus 1.11.1 (registry+https://github.com/rust-lang/crates.io-index)" = "76dac5ed2a876980778b8b85f75a71b6cbf0db0b1232ee12f826bccb00d09d72"
+"checksum opaque-debug 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "2839e79665f131bdb5782e51f2c6c9599c133c6098982a54c794358bf432529c"
 "checksum openssl 0.10.26 (registry+https://github.com/rust-lang/crates.io-index)" = "3a3cc5799d98e1088141b8e01ff760112bbd9f19d850c124500566ca6901a585"
 "checksum openssl-probe 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "77af24da69f9d9341038eba93a073b1fdaaa1b788221b00a69bce9e762cb32de"
 "checksum openssl-sys 0.9.53 (registry+https://github.com/rust-lang/crates.io-index)" = "465d16ae7fc0e313318f7de5cecf57b2fbe7511fd213978b457e1c96ff46736f"
@@ -1581,7 +1703,7 @@ dependencies = [
 "checksum phf_shared 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c00cf8b9eafe68dde5e9eaa2cef8ee84a9336a47d566ec55ca16589633b65af7"
 "checksum pin-project 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "94b90146c7216e4cb534069fb91366de4ea0ea353105ee45ed297e2d1619e469"
 "checksum pin-project-internal 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "44ca92f893f0656d3cba8158dd0f2b99b94de256a4a54e870bd6922fcc6c8355"
-"checksum pin-project-lite 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e8822eb8bb72452f038ebf6048efa02c3fe22bf83f76519c9583e47fc194a422"
+"checksum pin-project-lite 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "282adbf10f2698a7a77f8e983a74b2d18176c19a7fd32a45446139ae7b02b715"
 "checksum pin-utils 0.1.0-alpha.4 (registry+https://github.com/rust-lang/crates.io-index)" = "5894c618ce612a3fa23881b152b608bafb8c56cfc22f434a3ba3120b40f7b587"
 "checksum pkg-config 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)" = "05da548ad6865900e60eaba7f589cc0783590a92e940c26953ff81ddbab2d677"
 "checksum ppv-lite86 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "74490b50b9fbe561ac330df47c08f3f33073d2d00c150f719147d7c54522fa1b"
@@ -1610,7 +1732,7 @@ dependencies = [
 "checksum rdrand 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "678054eb77286b51581ba43620cc911abf02758c91f93f479767aed0f90458b2"
 "checksum redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)" = "2439c63f3f6139d1b57529d16bc3b8bb855230c8efcc5d3a896c8bea7c3b1e84"
 "checksum remove_dir_all 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "4a83fa3702a688b9359eccba92d153ac33fd2e8462f9e0e3fdf155239ea7792e"
-"checksum reqwest 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "03c6cbd2bc1c1cb7052dbe30f4a70cf65811967c800f2dfbb2e6036dc9ee2553"
+"checksum reqwest 0.10.6 (registry+https://github.com/rust-lang/crates.io-index)" = "3b82c9238b305f26f53443e3a4bc8528d64b8d0bee408ec949eb7bf5635ec680"
 "checksum ryu 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "bfa8506c1de11c9c4e4c38863ccbe02a305c8188e85a05a784c9e11e1c3910c8"
 "checksum schannel 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)" = "87f550b06b6cba9c8b8be3ee73f391990116bf527450d2556e9b9ce263b9a021"
 "checksum security-framework 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "8ef2429d7cefe5fd28bd1d2ed41c944547d4ff84776f5935b456da44593a16df"
@@ -1619,10 +1741,12 @@ dependencies = [
 "checksum serde_derive 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)" = "a8c6faef9a2e64b0064f48570289b4bf8823b7581f1d6157c1b52152306651d0"
 "checksum serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)" = "1a3351dcbc1f067e2c92ab7c3c1f288ad1a4cffc470b5aaddb4c2e0a3ae80043"
 "checksum serde_urlencoded 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "9ec5d77e2d4c73717816afac02670d5c4f534ea95ed430442cad02e7a6e32c97"
+"checksum sha2 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "72377440080fd008550fe9b441e854e43318db116f90181eef92e9ae9aedab48"
 "checksum siphasher 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "0b8de496cf83d4ed58b6be86c3a275b8602f6ffe98d3024a869e124147a9a3ac"
 "checksum siphasher 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "8e88f89a550c01e4cd809f3df4f52dc9e939f3273a2017eabd5c6d12fd98bb23"
 "checksum slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "c111b5bd5695e56cffe5129854aa230b39c93a305372fdbb2668ca2394eea9f8"
 "checksum smallvec 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "4ecf3b85f68e8abaa7555aa5abdb1153079387e60b718283d732f03897fcfc86"
+"checksum socket2 0.3.12 (registry+https://github.com/rust-lang/crates.io-index)" = "03088793f677dce356f3ccc2edb1b314ad191ab702a5de3faf49304f7e104918"
 "checksum sourcefile 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "4bf77cb82ba8453b42b6ae1d692e4cdc92f9a47beaf89a847c8be83f4e328ad3"
 "checksum string_cache 0.7.5 (registry+https://github.com/rust-lang/crates.io-index)" = "89c058a82f9fd69b1becf8c274f412281038877c553182f1d02eb027045a2d67"
 "checksum string_cache_codegen 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)" = "f0f45ed1b65bf9a4bf2f7b7dc59212d1926e9eaf00fa998988e420fd124467c6"
@@ -1635,10 +1759,11 @@ dependencies = [
 "checksum time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)" = "db8dcfca086c1143c9270ac42a2bbd8a7ee477b78ac8e45b19abfb0cbede4b6f"
 "checksum tokio 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "0e1bef565a52394086ecac0a6fa3b8ace4cb3a138ee1d96bd2b93283b56824e3"
 "checksum tokio-tls 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7bde02a3a5291395f59b06ec6945a3077602fac2b07eeeaf0dee2122f3619828"
-"checksum tokio-util 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "571da51182ec208780505a32528fc5512a8fe1443ab960b3f2f3ef093cd16930"
+"checksum tokio-util 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "be8242891f2b6cbef26a2d7e8605133c2c554cd35b3e4948ea892d6d68436499"
 "checksum tower-service 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e987b6bf443f4b5b3b6f38704195592cca41c5bb7aedd3c3693c7081f8289860"
 "checksum treeline 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a7f741b240f1a48843f9b8e0444fb55fb2a4ff67293b50a9179dfd5ea67f8d41"
 "checksum try-lock 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e604eb7b43c06650e854be16a2a03155743d3752dd1c943f6829e26b7a36e382"
+"checksum typenum 1.12.0 (registry+https://github.com/rust-lang/crates.io-index)" = "373c8a200f9e67a0c95e62a4f52fbf80c23b4381c05a17845531982fa99e6b33"
 "checksum unicase 2.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "50f37be617794602aabbeee0be4f259dc1778fabe05e2d67ee8f79326d5cb4f6"
 "checksum unicode-bidi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "49f2bd0c6468a8230e1db229cff8029217cf623c767ea5d60bfbd42729ea54d5"
 "checksum unicode-normalization 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)" = "b561e267b2326bb4cebfc0ef9e68355c7abe6c6f522aeac2f5bf95d56c59bdcf"
@@ -1651,6 +1776,7 @@ dependencies = [
 "checksum vec_map 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "05c78687fb1a80548ae3250346c3db86a80a7cdd77bda190189f2d0a0987c81a"
 "checksum version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "914b1a6776c4c929a602fafd8bc742e06365d4bcbe48c30f9cca5824f70dc9dd"
 "checksum version_check 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)" = "078775d0255232fb988e6fccf26ddc9d1ac274299aaedcedce21c6f72cc533ce"
+"checksum wait-timeout 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9f200f5b12eb75f8c1ed65abd4b2db8a6e1b138a20de009dacee265a2498f3f6"
 "checksum want 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1ce8a968cb1cd110d136ff8b819a556d6fb6d919363c61534f6860c7eb172ba0"
 "checksum wasi 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b89c3ce4ce14bdc6fb6beaf9ec7928ca331de5df7e5ea278375642a2f478570d"
 "checksum wasm-bindgen 0.2.57 (registry+https://github.com/rust-lang/crates.io-index)" = "701bc20794a7f9e8dcd85984a848f951ef6c5083322b6dd17fe880c99390f7cd"
@@ -1667,5 +1793,5 @@ dependencies = [
 "checksum winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc"
 "checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
 "checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
-"checksum winreg 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "b2986deb581c4fe11b621998a5e53361efe6b48a151178d0cd9eeffa4dc6acc9"
+"checksum winreg 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0120db82e8a1e0b9fb3345a539c478767c0048d842860994d96113d5b667bd69"
 "checksum ws2_32-sys 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d59cefebd0c892fa2dd6de581e937301d8552cb44489cdff035c6187cb63fa5e"
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "monolith"
-version = "2.2.1"
+version = "2.3.0"
 edition = "2018"
 authors = [
    "Sunshine <sunshine@uberspace.net>",
@@ -12,17 +12,19 @@ authors = [
 description = "CLI tool for saving web pages as a single HTML file"

 [dependencies]
-base64 = "0.11.0"
-clap = "2.33.0"
+base64 = "0.12.2"
+chrono = "0.4.11" # Used to render comments indicating the time the page was saved
+clap = "2.33.1"
 cssparser = "0.27.2"
 html5ever = "0.24.1"
+sha2 = "0.9.0" # Used in calculating checksums during integrity checks
 url = "2.1.1"

 [dependencies.reqwest]
-version = "0.10.*"
+version = "0.10.6"
 default-features = false
 features = ["default-tls", "blocking", "gzip"]

 [dev-dependencies]
-assert_cmd = "0.12.0"
+assert_cmd = "1.0.1"
 tempfile = "3.1.0"
--- a/22
+++ b/22
@@ -1,21 +1,29 @@
-#!/usr/bin/make -f
+# Makefile for monolith

-all: test
+all: build
 .PHONY: all

 build:
 	@cargo build --locked
 .PHONY: build

-install:
-	@cargo install --force --locked --path .
-.PHONY: install
-
 test: build
 	@cargo test --locked
 	@cargo fmt --all -- --check
-.PHONY: test
+.PHONY: test_code_formatting

 lint:
 	@cargo fmt --all --
 .PHONY: lint
+
+install:
+	@cargo install --force --locked --path .
+.PHONY: install
+
+uninstall:
+	@cargo uninstall
+.PHONY: uninstall
+
+clean:
+	@cargo clean
+.PHONY: clean
--- a/README.md
+++ b/README.md
@@ -1,19 +1,20 @@
-[![Travis CI Build Status](https://travis-ci.org/Y2Z/monolith.svg?branch=master)](https://travis-ci.org/Y2Z/monolith)
-[![AppVeyor Build status](https://ci.appveyor.com/api/projects/status/ae7soyjih8jg2bv7/branch/master?svg=true)](https://ci.appveyor.com/project/snshn/monolith/branch/master)
+[![Monolith Build Status for GNU/Linux](https://github.com/Y2Z/monolith/workflows/GNU%2FLinux/badge.svg)](https://github.com/Y2Z/monolith/actions?query=workflow%3AGNU%2FLinux)
+[![Monolith Build Status for macOS](https://github.com/Y2Z/monolith/workflows/macOS/badge.svg)](https://github.com/Y2Z/monolith/actions?query=workflow%3AmacOS)
+[![Monolith Build Status for Windows](https://github.com/Y2Z/monolith/workflows/Windows/badge.svg)](https://github.com/Y2Z/monolith/actions?query=workflow%3AWindows)

 ```
- ___     ___________    __________      ___________________    ___
-|   \   /           \  |          |    |                   |  |   |
-|    \_/     __      \_|    __    |    |    ___     ___    |__|   |
-|           |  |           |  |   |    |   |   |   |   |          |
-|           |__|    _      |__|   |____|   |   |   |   |    __    |
-|   |\_/|          | \                     |   |   |   |   |  |   |
-|___|   |__________|  \____________________|   |___|   |___|  |___|
+ _____     ______________    __________      ___________________    ___
+|     \   /              \  |          |    |                   |  |   |
+|      \_/       __       \_|    __    |    |    ___     ___    |__|   |
+|               |  |            |  |   |    |   |   |   |   |          |
+|   |\     /|   |__|    _       |__|   |____|   |   |   |   |    __    |
+|   | \___/ |          | \                      |   |   |   |   |  |   |
+|___|       |__________|  \_____________________|   |___|   |___|  |___|
 ```

-A data hoarder's dream come true: bundle any web page into a single HTML file. You can finally replace that gazillion of open tabs with a gazillion of .html files stored somewhere on your precious little drive.
+A data hoarder’s dream come true: bundle any web page into a single HTML file. You can finally replace that gazillion of open tabs with a gazillion of .html files stored somewhere on your precious little drive.

-Unlike the conventional "Save page as", `monolith` not only saves the target document, it embeds CSS, image, and JavaScript assets **all at once**, producing a single HTML5 document that is a joy to store and share.
+Unlike the conventional “Save page as”, `monolith` not only saves the target document, it embeds CSS, image, and JavaScript assets **all at once**, producing a single HTML5 document that is a joy to store and share.

 If compared to saving websites with `wget -mpk`, this tool embeds all assets as data URLs and therefore lets browsers render the saved page exactly the way it was on the Internet, even when no network connection is available.

@@ -21,18 +22,28 @@ If compared to saving websites with `wget -mpk`, this tool embeds all assets as

 ## Installation

-#### From source
-    $ git clone https://github.com/Y2Z/monolith.git
-    $ cd monolith
-    $ make install
-
-#### With Homebrew (on macOS and GNU/Linux)
+#### Via Homebrew (on macOS and GNU/Linux)
    $ brew install monolith

 #### Using Snapcraft (on GNU/Linux)
    $ snap install monolith

-#### Via Docker
+#### Using Ports collection (on FreeBSD and TrueOS)
+    $ cd /usr/ports/www/monolith/
+    $ make install clean
+
+#### Using pre-built binaries (Windows, ARM-based devices, etc)
+Every [release](https://github.com/Y2Z/monolith/releases) contains pre-built binaries for Windows, GNU/Linux, as well as platforms with non-standart CPU architecture.
+
+#### From source
+
+Dependency: `libssl-dev`
+
+    $ git clone https://github.com/Y2Z/monolith.git
+    $ cd monolith
+    $ make install
+
+#### Using Containers
 The guide can be found [here](docs/containers.md)

 ---------------------------------------------------
@@ -44,15 +55,16 @@ The guide can be found [here](docs/containers.md)

 ## Options
 - `-c`: Ignore styles
- - `-f`: Exclude frames and iframes
+ - `-f`: Exclude frames
+ - `-F`: Omit web fonts
 - `-i`: Remove images
 - `-I`: Isolate the document
 - `-j`: Exclude JavaScript
 - `-k`: Accept invalid X.509 (TLS) certificates
 - `-o`: Write output to file
- - `-s`: Silent mode
- - `-t`: Set custom network request timeout
- - `-u`: Provide own User-Agent
+ - `-s`: Be quiet
+ - `-t`: Adjust network request timeout
+ - `-u`: Provide custom User-Agent

 ---------------------------------------------------

@@ -79,4 +91,4 @@ The Unlicense
 ---------------------------------------------------

 <!-- Microtext -->
-<sub>Keep in mind that `monolith` is not aware of your browser's session</sub>
+<sub>Keep in mind that `monolith` is not aware of your browser’s session</sub>
--- a/assets/icon/icon.blend
+++ b/assets/icon/icon.blend
--- a/assets/icon/icon.png
+++ b/assets/icon/icon.png
--- a/docs/arch/0002-noscript-nodes.md
+++ b/docs/arch/0002-noscript-nodes.md
@@ -0,0 +1,19 @@
+# 2. NOSCRIPT nodes
+
+Date: 2020-04-16
+
+## Status
+
+Accepted
+
+## Context
+
+HTML pages can contain `noscript` nodes, which reveal their contents only in case when JavaScript is not available. Most of the time they contain hidden messages that inform about certain JavaScript-dependent features not being operational, however sometimes can also feature media assets or even iframes.
+
+## Decision
+
+When the document is being saved with or without JavaScript, each `noscript` node should be preserved while its children need to be processed exactly the same way as the rest of the document. This approach will ensure that even hidden remote assets are embedded — since those hidden elements may have to be displayed later in a browser that has JavaScript turned off. An option should be available to "unwrap" all `noscript` nodes in order to make their contents always visible in the document, complimenting the "disable JS" function of the program.
+
+## Consequences
+
+Saved documents will have contents of all `noscript` nodes processed as if they are part of the document's DOM, therefore properly display images encapsulated within `noscript` nodes when being viewed in browsers that have JavaScript turned off (or have no JavaScript support in the first place). The new option to "unwrap" `noscript` elements will help the user ensure that the resulting document always represents what the original web page looked like in a browser that had JavaScript turned off.
--- a/docs/arch/0003-network-request-timeout.md
+++ b/docs/arch/0003-network-request-timeout.md
@@ -12,14 +12,10 @@ A slow network connection and overloaded server may negatively impact network re

 ## Decision

-Make the program simulate behavior of popular web browsers and CLI tools, where 
-the default network response timeout is most often set to 120 seconds.
+Make the program simulate behavior of popular web browsers and CLI tools, where the default network response timeout is most often set to 120 seconds.

-Instead of featuring retries for timed out network requests, the program
-should have an option to adjust the timeout length, along with making it
-indefinite when given "0" as its value.
+Instead of featuring retries for timed out network requests, the program should have an option to adjust the timeout length, along with making it indefinite when given "0" as its value.

 ## Consequences

-The user is able to retrieve resources that have long response time, as well as obtain
-full control over how soon, and if at all, network requests should time out.
+The user is able to retrieve resources that have long response time, as well as obtain full control over how soon, and if at all, network requests should time out.
--- a/docs/arch/0004-asset-integrity-check.md
+++ b/docs/arch/0004-asset-integrity-check.md
@@ -0,0 +1,21 @@
+# 4. Asset integrity check
+
+Date: 2020-02-23
+
+## Status
+
+Accepted
+
+## Context
+
+In HTML5, `link` and `script` nodes have an attribute named `integrity`, which lets the browser check if the remote file is valid, mostly for the purpose of enhancing page security.
+
+## Decision
+
+In order to replicate the browser's behavior, the program should perform integrity check the same way it does, excluding the linked asset from the final result if such check fails.
+
+The `integrity` attribute should be removed from nodes, as it bears no benefit for resources embedded as data URLs.
+
+## Consequences
+
+Assets that fail to pass the check get excluded from the saved document. Meanwhile, saved documents no longer contain integrity attributes on all `link` and `script` nodes.
--- a/docs/arch/0005-asset-minimization.md
+++ b/docs/arch/0005-asset-minimization.md
@@ -8,18 +8,12 @@ Accepted

 ## Context

-It may look like a good idea to make monolith compress retrieved assets while
-saving the page for the purpose of reducing the resulting document's file size.
+It may look like a good idea to make monolith compress retrieved assets while saving the page for the purpose of reducing the resulting document's file size.

 ## Decision

-Given that the main purpose of this program is to save pages in a convenient to store and share manner — it's mostly an archiving tool,
-aside from being able to tell monolith to exclude certain types of asests (e.g. images, CSS, JavaScript),
-it would be outside of scope of this program to implement code for compressing assets. Minimizing files before embedding them
-does not reduce the amount of data that needs to be transferred either. A separate tool can be used later to compress and minimize pages
-saved by monolith, if needed.
+Given that the main purpose of this program is to save pages in a convenient to store and share manner — it's mostly an archiving tool, aside from being able to tell monolith to exclude certain types of asests (e.g. images, CSS, JavaScript), it would be outside of scope of this program to implement code for compressing assets. Minimizing files before embedding them does not reduce the amount of data that needs to be transferred either. A separate tool can be used later to compress and minimize pages saved by monolith, if needed.

 ## Consequences

-Monolith will not support modification of original document assets for the purpose of reducing their size, sticking to performing only a minimal
-amount of modifications to the original web page — whatever is needed to provide security or exclude unwanted asset types.
+Monolith will not support modification of original document assets for the purpose of reducing their size, sticking to performing only minimal amount of modifications to the original web page — whatever is needed to provide security or exclude unwanted asset types.
--- a/docs/arch/0006-reload-and-location-meta-tags.md
+++ b/docs/arch/0006-reload-and-location-meta-tags.md
@@ -0,0 +1,19 @@
+# 4. Reload and location `meta` tags
+
+Date: 2020-06-25
+
+## Status
+
+Accepted
+
+## Context
+
+HTML documents may contain `meta` tags capable of automatically refreshing the page or redirecting to another location.
+
+## Decision
+
+Since the resulting document is saved to disk and generally not intended to be served over the network, it only makes sense to remove `meta` tags that have `http-equiv` attribute equal to "Refresh" or "Location", in order to prevent them from reloading the page or redirecting to another location.
+
+## Consequences
+
+Monolith will ensure that saved documents do not contain `meta` tags capable of changing location or reloading the page.
--- a/docs/references.md
+++ b/docs/references.md
@@ -0,0 +1,3 @@
+# References
+
+- https://content-security-policy.com/
--- a/docs/web-apps.md
+++ b/docs/web-apps.md
@@ -0,0 +1,10 @@
+# Web apps that can be saved with Monolith
+
+These apps retain most or all of their functionality when saved with Monolith
+
+|Converse|https://conversejs.org|
+|:--|:--|
+|Description|An XMPP client built using web technologies|
+|Functionality retained|**full**|
+|Command to use|`monolith https://conversejs.org/fullscreen.html > conversejs.html`|
+|Monolith version used|2.2.7|
--- a/snap/snapcraft.yaml
+++ b/snap/snapcraft.yaml
@@ -18,11 +18,11 @@ description: |

 confinement: strict

-# Building on armhf fails, so we specify all supported non-armhf architectures
 architectures:
  - build-on: amd64
-  - build-on: i386
  - build-on: arm64
+  - build-on: armhf
+  - build-on: i386
  - build-on: ppc64el
  - build-on: s390x

--- a/src/args.rs
+++ b/src/args.rs
@@ -1,73 +0,0 @@
-use clap::{App, Arg};
-
-#[derive(Default)]
-pub struct AppArgs {
-    pub url_target: String,
-    pub no_css: bool,
-    pub no_frames: bool,
-    pub no_images: bool,
-    pub no_js: bool,
-    pub insecure: bool,
-    pub isolate: bool,
-    pub output: String,
-    pub silent: bool,
-    pub timeout: u64,
-    pub user_agent: String,
-}
-
-const DEFAULT_NETWORK_TIMEOUT: u64 = 120;
-const DEFAULT_USER_AGENT: &str =
-    "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:73.0) Gecko/20100101 Firefox/73.0";
-
-impl AppArgs {
-    pub fn get() -> AppArgs {
-        let app = App::new(env!("CARGO_PKG_NAME"))
-            .version(crate_version!())
-            .author(crate_authors!("\n"))
-            .about(crate_description!())
-            .arg(
-                Arg::with_name("url")
-                    .required(true)
-                    .takes_value(true)
-                    .index(1)
-                    .help("URL to download"),
-            )
-            // .args_from_usage("-a, --include-audio 'Removes audio sources'")
-            .args_from_usage("-c, --no-css 'Removes CSS'")
-            .args_from_usage("-f, --no-frames 'Removes frames and iframes'")
-            .args_from_usage("-i, --no-images 'Removes images'")
-            .args_from_usage("-I, --isolate 'Cuts off document from the Internet'")
-            .args_from_usage("-j, --no-js 'Removes JavaScript'")
-            .args_from_usage("-k, --insecure 'Allows invalid X.509 (TLS) certificates'")
-            .args_from_usage("-o, --output=[document.html] 'Writes output to <file>'")
-            .args_from_usage("-s, --silent 'Suppresses verbosity'")
-            .args_from_usage("-t, --timeout=[60] 'Adjusts network request timeout'")
-            .args_from_usage("-u, --user-agent=[Firefox] 'Sets custom User-Agent string'")
-            // .args_from_usage("-v, --include-video 'Removes video sources'")
-            .get_matches();
-        let mut app_args = AppArgs::default();
-        // Process the command
-        app_args.url_target = app
-            .value_of("url")
-            .expect("please set target url")
-            .to_string();
-        app_args.no_css = app.is_present("no-css");
-        app_args.no_frames = app.is_present("no-frames");
-        app_args.no_images = app.is_present("no-images");
-        app_args.no_js = app.is_present("no-js");
-        app_args.insecure = app.is_present("insecure");
-        app_args.isolate = app.is_present("isolate");
-        app_args.silent = app.is_present("silent");
-        app_args.timeout = app
-            .value_of("timeout")
-            .unwrap_or(&DEFAULT_NETWORK_TIMEOUT.to_string())
-            .parse::<u64>()
-            .unwrap();
-        app_args.output = app.value_of("output").unwrap_or("").to_string();
-        app_args.user_agent = app
-            .value_of("user-agent")
-            .unwrap_or(DEFAULT_USER_AGENT)
-            .to_string();
-        app_args
-    }
-}
--- a/src/css.rs
+++ b/src/css.rs
@@ -2,12 +2,14 @@ use cssparser::{ParseError, Parser, ParserInput, SourcePosition, Token};
 use reqwest::blocking::Client;
 use std::collections::HashMap;

-use crate::utils::{data_to_data_url, decode_url, get_url_fragment, resolve_url, retrieve_asset};
+use crate::opts::Options;
+use crate::url::{data_to_data_url, get_url_fragment, is_http_url, resolve_url, url_with_fragment};
+use crate::utils::retrieve_asset;

 const CSS_PROPS_WITH_IMAGE_URLS: &[&str] = &[
+    // Universal
    "background",
    "background-image",
-    "border",
    "border-image",
    "border-image-source",
    "content",
@@ -16,10 +18,15 @@ const CSS_PROPS_WITH_IMAGE_URLS: &[&str] = &[
    "list-style-image",
    "mask",
    "mask-image",
+    // Specific to @counter-style
+    "additive-symbols",
+    "negative",
+    "pad",
+    "prefix",
+    "suffix",
+    "symbols",
 ];
-
-const TRANSPARENT_PIXEL: &str = "data:image/png;base64,\
-     iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=";
+const CSS_SPECIAL_CHARS: &str = "~!@$%^&*()+=,./'\";:?><[]{}|`#";

 pub fn is_image_url_prop(prop_name: &str) -> bool {
    CSS_PROPS_WITH_IMAGE_URLS
@@ -36,16 +43,28 @@ pub fn enquote(input: String, double: bool) -> String {
    }
 }

+pub fn escape(value: &str) -> String {
+    let mut res = str!(&value);
+
+    res = res.replace("\\", "\\\\");
+
+    for c in CSS_SPECIAL_CHARS.chars() {
+        res = res.replace(c, format!("\\{}", c).as_str());
+    }
+
+    res
+}
+
 pub fn process_css<'a>(
-    cache: &mut HashMap<String, String>,
+    cache: &mut HashMap<String, Vec<u8>>,
    client: &Client,
    parent_url: &str,
    parser: &mut Parser,
+    options: &Options,
+    depth: u32,
    rule_name: &str,
    prop_name: &str,
    func_name: &str,
-    opt_no_images: bool,
-    opt_silent: bool,
 ) -> Result<String, ParseError<'a, String>> {
    let mut result: String = str!();

@@ -72,6 +91,10 @@ pub fn process_css<'a>(
            Token::Colon => result.push_str(":"),
            Token::Comma => result.push_str(","),
            Token::ParenthesisBlock | Token::SquareBracketBlock | Token::CurlyBracketBlock => {
+                if options.no_fonts && curr_rule == "font-face" {
+                    continue;
+                }
+
                let closure: &str;
                if token == &Token::ParenthesisBlock {
                    result.push_str("(");
@@ -91,11 +114,11 @@ pub fn process_css<'a>(
                            client,
                            parent_url,
                            parser,
+                            options,
+                            depth,
                            rule_name,
                            curr_prop.as_str(),
                            func_name,
-                            opt_no_images,
-                            opt_silent,
                        )
                    })
                    .unwrap();
@@ -116,12 +139,18 @@ pub fn process_css<'a>(
            Token::WhiteSpace(ref value) => {
                result.push_str(value);
            }
+            // div...
            Token::Ident(ref value) => {
+                curr_rule = str!();
                curr_prop = str!(value);
-                result.push_str(value);
+                result.push_str(&escape(value));
            }
+            // @import, @font-face, @charset, @media...
            Token::AtKeyword(ref value) => {
                curr_rule = str!(value);
+                if options.no_fonts && curr_rule == "font-face" {
+                    continue;
+                }
                result.push_str("@");
                result.push_str(value);
            }
@@ -130,53 +159,57 @@ pub fn process_css<'a>(
                result.push_str(value);
            }
            Token::QuotedString(ref value) => {
-                let is_import: bool = curr_rule == "import";
-                if is_import {
+                if curr_rule == "import" {
                    // Reset current at-rule value
                    curr_rule = str!();
-                }

-                if is_import {
                    // Skip empty import values
                    if value.len() < 1 {
                        result.push_str("''");
                        continue;
                    }

-                    let full_url = resolve_url(&parent_url, value).unwrap_or_default();
-                    let url_fragment = get_url_fragment(full_url.clone());
-                    let full_url_decoded = decode_url(full_url);
-                    let (css, final_url) = retrieve_asset(
+                    let import_full_url = resolve_url(&parent_url, value).unwrap_or_default();
+                    let import_url_fragment = get_url_fragment(import_full_url.clone());
+                    match retrieve_asset(
                        cache,
                        client,
                        &parent_url,
-                        &full_url_decoded,
-                        false,
-                        "",
-                        opt_silent,
-                    )
-                    .unwrap_or_default();
-
-                    result.push_str(
-                        enquote(
-                            data_to_data_url(
+                        &import_full_url,
+                        options.silent,
+                        depth + 1,
+                    ) {
+                        Ok((import_contents, import_final_url, _import_media_type)) => {
+                            let import_data_url = data_to_data_url(
                                "text/css",
                                embed_css(
                                    cache,
                                    client,
-                                    final_url.as_str(),
-                                    &css,
-                                    opt_no_images,
-                                    opt_silent,
+                                    &import_final_url,
+                                    &String::from_utf8_lossy(&import_contents),
+                                    options,
+                                    depth + 1,
                                )
                                .as_bytes(),
-                                &final_url,
-                                url_fragment.as_str(),
-                            ),
-                            false,
-                        )
-                        .as_str(),
-                    );
+                                &import_final_url,
+                            );
+                            let assembled_url: String = url_with_fragment(
+                                import_data_url.as_str(),
+                                import_url_fragment.as_str(),
+                            );
+                            result.push_str(enquote(assembled_url, false).as_str());
+                        }
+                        Err(_) => {
+                            // Keep remote reference if unable to retrieve the asset
+                            if is_http_url(import_full_url.clone()) {
+                                let assembled_url: String = url_with_fragment(
+                                    import_full_url.as_str(),
+                                    import_url_fragment.as_str(),
+                                );
+                                result.push_str(enquote(assembled_url, false).as_str());
+                            }
+                        }
+                    }
                } else {
                    if func_name == "url" {
                        // Skip empty url()'s
@@ -184,21 +217,36 @@ pub fn process_css<'a>(
                            continue;
                        }

-                        if opt_no_images && is_image_url_prop(curr_prop.as_str()) {
-                            result.push_str(enquote(str!(TRANSPARENT_PIXEL), false).as_str());
+                        if options.no_images && is_image_url_prop(curr_prop.as_str()) {
+                            result.push_str(enquote(str!(empty_image!()), false).as_str());
                        } else {
                            let resolved_url = resolve_url(&parent_url, value).unwrap_or_default();
-                            let (data_url, _final_url) = retrieve_asset(
+                            let url_fragment = get_url_fragment(resolved_url.clone());
+                            match retrieve_asset(
                                cache,
                                client,
                                &parent_url,
                                &resolved_url,
-                                true,
-                                "",
-                                opt_silent,
-                            )
-                            .unwrap_or_default();
-                            result.push_str(enquote(data_url, false).as_str());
+                                options.silent,
+                                depth + 1,
+                            ) {
+                                Ok((data, final_url, media_type)) => {
+                                    let data_url = data_to_data_url(&media_type, &data, &final_url);
+                                    let assembled_url: String =
+                                        url_with_fragment(data_url.as_str(), url_fragment.as_str());
+                                    result.push_str(enquote(assembled_url, false).as_str());
+                                }
+                                Err(_) => {
+                                    // Keep remote reference if unable to retrieve the asset
+                                    if is_http_url(resolved_url.clone()) {
+                                        let assembled_url: String = url_with_fragment(
+                                            resolved_url.as_str(),
+                                            url_fragment.as_str(),
+                                        );
+                                        result.push_str(enquote(assembled_url, false).as_str());
+                                    }
+                                }
+                            }
                        }
                    } else {
                        result.push_str(enquote(str!(value), false).as_str());
@@ -220,26 +268,33 @@ pub fn process_css<'a>(
                ref unit_value,
                ..
            } => {
-                if *has_sign {
-                    result.push_str("-");
+                if *has_sign && *unit_value >= 0. {
+                    result.push_str("+");
                }
-                result.push_str(str!(unit_value * 100.).as_str());
+                result.push_str(str!(unit_value * 100.0).as_str());
                result.push_str("%");
            }
            Token::Dimension {
+                ref has_sign,
                ref value,
                ref unit,
                ..
            } => {
+                if *has_sign && *value >= 0. {
+                    result.push_str("+");
+                }
                result.push_str(str!(value).as_str());
                result.push_str(str!(unit).as_str());
            }
+            // #selector, #id...
            Token::IDHash(ref value) => {
+                curr_rule = str!();
                result.push_str("#");
-                result.push_str(value);
+                result.push_str(&escape(value));
            }
            Token::UnquotedUrl(ref value) => {
                let is_import: bool = curr_rule == "import";
+
                if is_import {
                    // Reset current at-rule value
                    curr_rule = str!();
@@ -260,54 +315,70 @@ pub fn process_css<'a>(
                if is_import {
                    let full_url = resolve_url(&parent_url, value).unwrap_or_default();
                    let url_fragment = get_url_fragment(full_url.clone());
-                    let full_url_decoded = decode_url(full_url);
-                    let (css, final_url) = retrieve_asset(
+                    match retrieve_asset(
                        cache,
                        client,
                        &parent_url,
-                        &full_url_decoded,
-                        false,
-                        "",
-                        opt_silent,
-                    )
-                    .unwrap_or_default();
-
-                    result.push_str(
-                        enquote(
-                            data_to_data_url(
+                        &full_url,
+                        options.silent,
+                        depth + 1,
+                    ) {
+                        Ok((css, final_url, _media_type)) => {
+                            let data_url = data_to_data_url(
                                "text/css",
                                embed_css(
                                    cache,
                                    client,
-                                    final_url.as_str(),
-                                    &css,
-                                    opt_no_images,
-                                    opt_silent,
+                                    &final_url,
+                                    &String::from_utf8_lossy(&css),
+                                    options,
+                                    depth + 1,
                                )
                                .as_bytes(),
                                &final_url,
-                                url_fragment.as_str(),
-                            ),
-                            false,
-                        )
-                        .as_str(),
-                    );
+                            );
+                            let assembled_url: String =
+                                url_with_fragment(data_url.as_str(), url_fragment.as_str());
+                            result.push_str(enquote(assembled_url, false).as_str());
+                        }
+                        Err(_) => {
+                            // Keep remote reference if unable to retrieve the asset
+                            if is_http_url(full_url.clone()) {
+                                let assembled_url: String =
+                                    url_with_fragment(full_url.as_str(), url_fragment.as_str());
+                                result.push_str(enquote(assembled_url, false).as_str());
+                            }
+                        }
+                    }
                } else {
-                    if opt_no_images && is_image_url_prop(curr_prop.as_str()) {
-                        result.push_str(enquote(str!(TRANSPARENT_PIXEL), false).as_str());
+                    if is_image_url_prop(curr_prop.as_str()) && options.no_images {
+                        result.push_str(enquote(str!(empty_image!()), false).as_str());
                    } else {
                        let full_url = resolve_url(&parent_url, value).unwrap_or_default();
-                        let (data_url, _final_url) = retrieve_asset(
+                        let url_fragment = get_url_fragment(full_url.clone());
+                        match retrieve_asset(
                            cache,
                            client,
                            &parent_url,
                            &full_url,
-                            true,
-                            "",
-                            opt_silent,
-                        )
-                        .unwrap_or_default();
-                        result.push_str(enquote(data_url, false).as_str());
+                            options.silent,
+                            depth + 1,
+                        ) {
+                            Ok((data, final_url, media_type)) => {
+                                let data_url = data_to_data_url(&media_type, &data, &final_url);
+                                let assembled_url: String =
+                                    url_with_fragment(data_url.as_str(), url_fragment.as_str());
+                                result.push_str(enquote(assembled_url, false).as_str());
+                            }
+                            Err(_) => {
+                                // Keep remote reference if unable to retrieve the asset
+                                if is_http_url(full_url.clone()) {
+                                    let assembled_url: String =
+                                        url_with_fragment(full_url.as_str(), url_fragment.as_str());
+                                    result.push_str(enquote(assembled_url, false).as_str());
+                                }
+                            }
+                        }
                    }
                }
                result.push_str(")");
@@ -325,11 +396,11 @@ pub fn process_css<'a>(
                            client,
                            parent_url,
                            parser,
+                            options,
+                            depth,
                            curr_rule.as_str(),
                            curr_prop.as_str(),
                            function_name,
-                            opt_no_images,
-                            opt_silent,
                        )
                    })
                    .unwrap();
@@ -341,16 +412,21 @@ pub fn process_css<'a>(
        }
    }

+    // Ensure empty CSS is really empty
+    if result.len() > 0 && result.trim().len() == 0 {
+        result = result.trim().to_string()
+    }
+
    Ok(result)
 }

 pub fn embed_css(
-    cache: &mut HashMap<String, String>,
+    cache: &mut HashMap<String, Vec<u8>>,
    client: &Client,
    parent_url: &str,
    css: &str,
-    opt_no_images: bool,
-    opt_silent: bool,
+    options: &Options,
+    depth: u32,
 ) -> String {
    let mut input = ParserInput::new(&css);
    let mut parser = Parser::new(&mut input);
@@ -360,11 +436,11 @@ pub fn embed_css(
        client,
        parent_url,
        &mut parser,
+        options,
+        depth,
        "",
        "",
        "",
-        opt_no_images,
-        opt_silent,
    )
    .unwrap()
 }
--- a/src/html.rs
+++ b/src/html.rs
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,9 +1,14 @@
+#[macro_use]
+extern crate clap;
+
 #[macro_use]
 mod macros;

 pub mod css;
 pub mod html;
 pub mod js;
+pub mod opts;
+pub mod url;
 pub mod utils;

 #[cfg(test)]
--- a/src/macros.rs
+++ b/src/macros.rs
@@ -7,3 +7,11 @@ macro_rules! str {
        ToString::to_string(&$val)
    };
 }
+
+#[macro_export]
+macro_rules! empty_image {
+    () => {
+"data:image/png;base64,\
+iVBORw0KGgoAAAANSUhEUgAAAA0AAAANCAQAAADY4iz3AAAAEUlEQVR42mNkwAkYR6UolgIACvgADsuK6xYAAAAASUVORK5CYII="
+    };
+}
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,5 +1,3 @@
-use monolith::html::{html_to_dom, stringify_document, walk_and_embed_assets};
-use monolith::utils::{data_url_to_text, is_data_url, is_file_url, is_http_url, retrieve_asset};
 use reqwest::blocking::Client;
 use reqwest::header::{HeaderMap, HeaderValue, USER_AGENT};
 use std::collections::HashMap;
@@ -10,12 +8,16 @@ use std::path::Path;
 use std::process;
 use std::time::Duration;

-mod args;
-mod macros;
+use monolith::html::{
+    add_favicon, has_favicon, html_to_dom, metadata_tag, stringify_document, walk_and_embed_assets,
+};
+use monolith::opts::Options;
+use monolith::url::{
+    data_to_data_url, data_url_to_data, is_data_url, is_file_url, is_http_url, resolve_url,
+};
+use monolith::utils::retrieve_asset;

-#[macro_use]
-extern crate clap;
-use crate::args::AppArgs;
+mod macros;

 enum Output {
    Stdout(io::Stdout),
@@ -24,7 +26,7 @@ enum Output {

 impl Output {
    fn new(file_path: &str) -> Result<Output, Error> {
-        if file_path.is_empty() {
+        if file_path.is_empty() || file_path.eq("-") {
            Ok(Output::Stdout(io::stdout()))
        } else {
            Ok(Output::File(fs::File::create(file_path)?))
@@ -46,11 +48,11 @@ impl Output {
 }

 fn main() {
-    let app_args = AppArgs::get();
-    let original_target: &str = &app_args.url_target;
+    let options = Options::from_args();
+    let original_target: &str = &options.target;
    let target_url: &str;
    let base_url;
-    let dom;
+    let mut dom;

    // Pre-process the input
    let cwd_normalized: String =
@@ -59,6 +61,7 @@ fn main() {
    let mut target: String = str!(original_target.clone()).replace("\\", "/");
    let path_is_relative: bool = path.is_relative();

+    // Determine exact target URL
    if target.clone().len() == 0 {
        eprintln!("No target specified");
        process::exit(1);
@@ -85,76 +88,98 @@ fn main() {
        target_url = target.as_str();
    }

-    let mut output = Output::new(&app_args.output).expect("Could not prepare output");
+    // Define output
+    let mut output = Output::new(&options.output).expect("Could not prepare output");

    // Initialize client
    let mut cache = HashMap::new();
    let mut header_map = HeaderMap::new();
    header_map.insert(
        USER_AGENT,
-        HeaderValue::from_str(&app_args.user_agent).expect("Invalid User-Agent header specified"),
+        HeaderValue::from_str(&options.user_agent).expect("Invalid User-Agent header specified"),
    );
-
-    let timeout: u64 = if app_args.timeout > 0 {
-        app_args.timeout
+    let timeout: u64 = if options.timeout > 0 {
+        options.timeout
    } else {
        std::u64::MAX / 4
    };
    let client = Client::builder()
        .timeout(Duration::from_secs(timeout))
-        .danger_accept_invalid_certs(app_args.insecure)
+        .danger_accept_invalid_certs(options.insecure)
        .default_headers(header_map)
        .build()
        .expect("Failed to initialize HTTP client");

-    // Retrieve root document
+    // Retrieve target document
    if is_file_url(target_url) || is_http_url(target_url) {
-        let (data, final_url) = retrieve_asset(
+        match retrieve_asset(
            &mut cache,
            &client,
            target_url,
            target_url,
-            false,
-            "",
-            app_args.silent,
-        )
-        .expect("Could not retrieve target document");
-        base_url = final_url;
-        dom = html_to_dom(&data);
+            options.silent,
+            0,
+        ) {
+            Ok((data, final_url, _media_type)) => {
+                base_url = final_url;
+                dom = html_to_dom(&String::from_utf8_lossy(&data));
+            }
+            Err(_) => {
+                eprintln!("Could not retrieve target document");
+                process::exit(1);
+            }
+        }
    } else if is_data_url(target_url) {
-        let text: String = data_url_to_text(target_url);
-        if text.len() == 0 {
-            eprintln!("Unsupported data URL input");
+        let (media_type, data): (String, Vec<u8>) = data_url_to_data(target_url);
+        if !media_type.eq_ignore_ascii_case("text/html") {
+            eprintln!("Unsupported data URL media type");
            process::exit(1);
        }
        base_url = str!(target_url);
-        dom = html_to_dom(&text);
+        dom = html_to_dom(&String::from_utf8_lossy(&data));
    } else {
        process::exit(1);
    }

-    walk_and_embed_assets(
-        &mut cache,
-        &client,
-        &base_url,
-        &dom.document,
-        app_args.no_css,
-        app_args.no_js,
-        app_args.no_images,
-        app_args.silent,
-        app_args.no_frames,
-    );
+    // Request and embed /favicon.ico (unless it's already linked in the document)
+    if !options.no_images && is_http_url(target_url) && !has_favicon(&dom.document) {
+        let favicon_ico_url: String = resolve_url(&base_url, "/favicon.ico").unwrap();

-    let html: String = stringify_document(
-        &dom.document,
-        app_args.no_css,
-        app_args.no_frames,
-        app_args.no_js,
-        app_args.no_images,
-        app_args.isolate,
-    );
+        match retrieve_asset(
+            &mut cache,
+            &client,
+            &base_url,
+            &favicon_ico_url,
+            options.silent,
+            0,
+        ) {
+            Ok((data, final_url, media_type)) => {
+                let favicon_data_url: String = data_to_data_url(&media_type, &data, &final_url);
+                dom = add_favicon(&dom.document, favicon_data_url);
+            }
+            Err(_) => {
+                // Failed to retrieve favicon.ico
+            }
+        }
+    }

+    // Embed remote assets
+    walk_and_embed_assets(&mut cache, &client, &base_url, &dom.document, &options, 0);
+
+    // Serialize DOM tree
+    let mut result: String = stringify_document(&dom.document, &options);
+
+    // Add metadata tag
+    if !options.no_metadata {
+        let metadata_comment = metadata_tag(&base_url);
+        result.insert_str(0, &metadata_comment);
+        if metadata_comment.len() > 0 {
+            result.insert_str(metadata_comment.len(), "\n");
+        }
+    }
+
+    // Write result into stdout or file
    output
-        .writeln_str(&html)
+        .writeln_str(&result)
        .expect("Could not write HTML output");
 }
--- a/src/opts.rs
+++ b/src/opts.rs
@@ -0,0 +1,90 @@
+use clap::{App, Arg};
+
+#[derive(Default)]
+pub struct Options {
+    pub target: String,
+    pub no_css: bool,
+    pub no_fonts: bool,
+    pub no_frames: bool,
+    pub no_images: bool,
+    pub no_js: bool,
+    pub insecure: bool,
+    pub isolate: bool,
+    pub output: String,
+    pub silent: bool,
+    pub timeout: u64,
+    pub user_agent: String,
+    pub no_metadata: bool,
+}
+
+const ASCII: &str = " \
+ _____     ______________    __________      ___________________    ___
+|     \\   /              \\  |          |    |                   |  |   |
+|      \\_/       __       \\_|    __    |    |    ___     ___    |__|   |
+|               |  |            |  |   |    |   |   |   |   |          |
+|   |\\     /|   |__|    _       |__|   |____|   |   |   |   |    __    |
+|   | \\___/ |          | \\                      |   |   |   |   |  |   |
+|___|       |__________|  \\_____________________|   |___|   |___|  |___|
+";
+const DEFAULT_NETWORK_TIMEOUT: u64 = 120;
+const DEFAULT_USER_AGENT: &str =
+    "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:73.0) Gecko/20100101 Firefox/73.0";
+
+impl Options {
+    pub fn from_args() -> Options {
+        let app = App::new(env!("CARGO_PKG_NAME"))
+            .version(crate_version!())
+            .author(crate_authors!("\n"))
+            .about(format!("{}\n{}", ASCII, crate_description!()).as_str())
+            .arg(
+                Arg::with_name("target")
+                    .required(true)
+                    .takes_value(true)
+                    .index(1)
+                    .help("URL or file path"),
+            )
+            // .args_from_usage("-a, --no-audio 'Removes audio sources'")
+            .args_from_usage("-c, --no-css 'Removes CSS'")
+            .args_from_usage("-f, --no-frames 'Removes frames and iframes'")
+            .args_from_usage("-F, --no-fonts 'Removes fonts'")
+            .args_from_usage("-i, --no-images 'Removes images'")
+            .args_from_usage("-I, --isolate 'Cuts off document from the Internet'")
+            .args_from_usage("-j, --no-js 'Removes JavaScript'")
+            .args_from_usage("-k, --insecure 'Allows invalid X.509 (TLS) certificates'")
+            .args_from_usage("-M, --no-metadata 'Excludes metadata information from the document'")
+            .args_from_usage("-o, --output=[document.html] 'Write output to <file>'")
+            .args_from_usage("-s, --silent 'Suppresses verbosity'")
+            .args_from_usage("-t, --timeout=[60] 'Adjust network request timeout'")
+            .args_from_usage("-u, --user-agent=[Firefox] 'Set custom User-Agent string'")
+            // .args_from_usage("-v, --no-video 'Removes video sources'")
+            .get_matches();
+        let mut options: Options = Options::default();
+
+        // Process the command
+        options.target = app
+            .value_of("target")
+            .expect("please set target")
+            .to_string();
+        options.no_css = app.is_present("no-css");
+        options.no_frames = app.is_present("no-frames");
+        options.no_fonts = app.is_present("no-fonts");
+        options.no_images = app.is_present("no-images");
+        options.isolate = app.is_present("isolate");
+        options.no_js = app.is_present("no-js");
+        options.insecure = app.is_present("insecure");
+        options.no_metadata = app.is_present("no-metadata");
+        options.output = app.value_of("output").unwrap_or("").to_string();
+        options.silent = app.is_present("silent");
+        options.timeout = app
+            .value_of("timeout")
+            .unwrap_or(&DEFAULT_NETWORK_TIMEOUT.to_string())
+            .parse::<u64>()
+            .unwrap();
+        options.user_agent = app
+            .value_of("user-agent")
+            .unwrap_or(DEFAULT_USER_AGENT)
+            .to_string();
+
+        options
+    }
+}
--- a/src/tests/cli.rs
+++ b/src/tests/cli.rs
@@ -1,9 +1,3 @@
-use assert_cmd::prelude::*;
-use std::env;
-use std::io::Write;
-use std::process::Command;
-use tempfile::NamedTempFile;
-
 //  ██████╗  █████╗ ███████╗███████╗██╗███╗   ██╗ ██████╗
 //  ██╔══██╗██╔══██╗██╔════╝██╔════╝██║████╗  ██║██╔════╝
 //  ██████╔╝███████║███████╗███████╗██║██╔██╗ ██║██║  ███╗
@@ -11,491 +5,555 @@ use tempfile::NamedTempFile;
 //  ██║     ██║  ██║███████║███████║██║██║ ╚████║╚██████╔╝
 //  ╚═╝     ╚═╝  ╚═╝╚══════╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝

-#[test]
-fn passing_print_version() -> Result<(), Box<dyn std::error::Error>> {
-    let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;
-    let out = cmd.arg("-V").output().unwrap();
+#[cfg(test)]
+mod passing {
+    use assert_cmd::prelude::*;
+    use std::env;
+    use std::io::Write;
+    use std::process::Command;
+    use tempfile::NamedTempFile;

-    // STDOUT should contain program name and version
-    assert_eq!(
-        std::str::from_utf8(&out.stdout).unwrap(),
-        format!("{} {}\n", env!("CARGO_PKG_NAME"), env!("CARGO_PKG_VERSION"))
-    );
+    #[test]
+    fn print_version() -> Result<(), Box<dyn std::error::Error>> {
+        let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;
+        let out = cmd.arg("-V").output().unwrap();

-    // STDERR should be empty
-    assert_eq!(std::str::from_utf8(&out.stderr).unwrap(), "");
+        // STDOUT should contain program name and version
+        assert_eq!(
+            std::str::from_utf8(&out.stdout).unwrap(),
+            format!("{} {}\n", env!("CARGO_PKG_NAME"), env!("CARGO_PKG_VERSION"))
+        );

-    // The exit code should be 0
-    out.assert().code(0);
+        // STDERR should be empty
+        assert_eq!(std::str::from_utf8(&out.stderr).unwrap(), "");

-    Ok(())
-}
+        // The exit code should be 0
+        out.assert().code(0);

-#[test]
-fn passing_bad_input_empty_target() -> Result<(), Box<dyn std::error::Error>> {
-    let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;
-    let out = cmd.arg("").output().unwrap();
+        Ok(())
+    }

-    // STDOUT should be empty
-    assert_eq!(std::str::from_utf8(&out.stdout).unwrap(), "");
+    #[test]
+    fn bad_input_empty_target() -> Result<(), Box<dyn std::error::Error>> {
+        let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;
+        let out = cmd.arg("").output().unwrap();

-    // STDERR should contain error description
-    assert_eq!(
-        std::str::from_utf8(&out.stderr).unwrap(),
-        "No target specified\n"
-    );
+        // STDOUT should be empty
+        assert_eq!(std::str::from_utf8(&out.stdout).unwrap(), "");

-    // The exit code should be 1
-    out.assert().code(1);
+        // STDERR should contain error description
+        assert_eq!(
+            std::str::from_utf8(&out.stderr).unwrap(),
+            "No target specified\n"
+        );

-    Ok(())
-}
+        // The exit code should be 1
+        out.assert().code(1);

-#[test]
-fn passing_bad_input_data_url() -> Result<(), Box<dyn std::error::Error>> {
-    let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;
-    let out = cmd.arg("data:,Hello%2C%20World!").output().unwrap();
+        Ok(())
+    }

-    // STDOUT should contain HTML
-    assert_eq!(std::str::from_utf8(&out.stdout).unwrap(), "");
+    #[test]
+    fn bad_input_data_url() -> Result<(), Box<dyn std::error::Error>> {
+        let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;
+        let out = cmd.arg("data:,Hello%2C%20World!").output().unwrap();

-    // STDERR should contain error description
-    assert_eq!(
-        std::str::from_utf8(&out.stderr).unwrap(),
-        "Unsupported data URL input\n"
-    );
+        // STDOUT should contain HTML
+        assert_eq!(std::str::from_utf8(&out.stdout).unwrap(), "");

-    // The exit code should be 1
-    out.assert().code(1);
+        // STDERR should contain error description
+        assert_eq!(
+            std::str::from_utf8(&out.stderr).unwrap(),
+            "Unsupported data URL media type\n"
+        );

-    Ok(())
-}
+        // The exit code should be 1
+        out.assert().code(1);

-#[test]
-fn passing_isolate_data_url() -> Result<(), Box<dyn std::error::Error>> {
-    let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;
-    let out = cmd
-        .arg("-I")
-        .arg("data:text/html,Hello%2C%20World!")
-        .output()
-        .unwrap();
+        Ok(())
+    }

-    // STDOUT should contain isolated HTML
-    assert_eq!(
-        std::str::from_utf8(&out.stdout).unwrap(),
-        "<html><head>\
-<meta http-equiv=\"Content-Security-Policy\" content=\"default-src 'unsafe-inline' data:;\"></meta>\
-</head><body>Hello, World!</body></html>\n"
-    );
+    #[test]
+    fn isolate_data_url() -> Result<(), Box<dyn std::error::Error>> {
+        let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;
+        let out = cmd
+            .arg("-M")
+            .arg("-I")
+            .arg("data:text/html,Hello%2C%20World!")
+            .output()
+            .unwrap();

-    // STDERR should be empty
-    assert_eq!(std::str::from_utf8(&out.stderr).unwrap(), "");
+        // STDOUT should contain isolated HTML
+        assert_eq!(
+            std::str::from_utf8(&out.stdout).unwrap(),
+            "<html><head>\
+            <meta http-equiv=\"Content-Security-Policy\" content=\"default-src 'unsafe-inline' data:;\"></meta>\
+            </head><body>Hello, World!</body></html>\n"
+        );

-    // The exit code should be 0
-    out.assert().code(0);
+        // STDERR should be empty
+        assert_eq!(std::str::from_utf8(&out.stderr).unwrap(), "");

-    Ok(())
-}
+        // The exit code should be 0
+        out.assert().code(0);

-#[test]
-fn passing_remove_css_from_data_url() -> Result<(), Box<dyn std::error::Error>> {
-    let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;
-    let out = cmd
-        .arg("-c")
-        .arg("data:text/html,<style>body{background-color:pink}</style>Hello")
-        .output()
-        .unwrap();
+        Ok(())
+    }

-    // STDOUT should contain HTML with no CSS
-    assert_eq!(
-        std::str::from_utf8(&out.stdout).unwrap(),
-        "<html><head>\
-<meta http-equiv=\"Content-Security-Policy\" content=\"style-src 'none';\"></meta>\
-<style></style>\
-</head><body>Hello</body></html>\n"
-    );
+    #[test]
+    fn remove_css_from_data_url() -> Result<(), Box<dyn std::error::Error>> {
+        let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;
+        let out = cmd
+            .arg("-M")
+            .arg("-c")
+            .arg("data:text/html,<style>body{background-color:pink}</style>Hello")
+            .output()
+            .unwrap();

-    // STDERR should be empty
-    assert_eq!(std::str::from_utf8(&out.stderr).unwrap(), "");
+        // STDOUT should contain HTML with no CSS
+        assert_eq!(
+            std::str::from_utf8(&out.stdout).unwrap(),
+            "<html><head>\
+            <meta http-equiv=\"Content-Security-Policy\" content=\"style-src 'none';\"></meta>\
+            <style></style>\
+            </head><body>Hello</body></html>\n"
+        );

-    // The exit code should be 0
-    out.assert().code(0);
+        // STDERR should be empty
+        assert_eq!(std::str::from_utf8(&out.stderr).unwrap(), "");

-    Ok(())
-}
+        // The exit code should be 0
+        out.assert().code(0);

-#[test]
-fn passing_remove_frames_from_data_url() -> Result<(), Box<dyn std::error::Error>> {
-    let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;
-    let out = cmd
-        .arg("-f")
-        .arg("data:text/html,<iframe src=\"https://google.com\"></iframe>Hi")
-        .output()
-        .unwrap();
+        Ok(())
+    }

-    // STDOUT should contain HTML with no iframes
-    assert_eq!(
-        std::str::from_utf8(&out.stdout).unwrap(),
-        "<html><head>\
-<meta http-equiv=\"Content-Security-Policy\" content=\"frame-src 'none';child-src 'none';\"></meta>\
-</head><body><iframe src=\"\"></iframe>Hi</body></html>\n"
-    );
+    #[test]
+    fn remove_fonts_from_data_url() -> Result<(), Box<dyn std::error::Error>> {
+        let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;
+        let out = cmd
+            .arg("-M")
+            .arg("-F")
+            .arg("data:text/html,<style>@font-face { font-family: myFont; src: url(font.woff); }</style>Hi")
+            .output()
+            .unwrap();

-    // STDERR should be empty
-    assert_eq!(std::str::from_utf8(&out.stderr).unwrap(), "");
+        // STDOUT should contain HTML with no web fonts
+        assert_eq!(
+            std::str::from_utf8(&out.stdout).unwrap(),
+            "<html><head>\
+            <meta http-equiv=\"Content-Security-Policy\" content=\"font-src 'none';\"></meta>\
+            <style></style>\
+            </head><body>Hi</body></html>\n"
+        );

-    // The exit code should be 0
-    out.assert().code(0);
+        // STDERR should be empty
+        assert_eq!(std::str::from_utf8(&out.stderr).unwrap(), "");

-    Ok(())
-}
+        // The exit code should be 0
+        out.assert().code(0);

-#[test]
-fn passing_remove_images_from_data_url() -> Result<(), Box<dyn std::error::Error>> {
-    let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;
-    let out = cmd
-        .arg("-i")
-        .arg("data:text/html,<img src=\"https://google.com\"/>Hi")
-        .output()
-        .unwrap();
+        Ok(())
+    }

-    // STDOUT should contain HTML with no images
-    assert_eq!(
-        std::str::from_utf8(&out.stdout).unwrap(),
-        "<html>\
-<head>\
-<meta http-equiv=\"Content-Security-Policy\" content=\"img-src data:;\"></meta>\
-</head>\
-<body>\
-<img src=\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=\">\
-Hi\
-</body>\
-</html>\n"
-    );
+    #[test]
+    fn remove_frames_from_data_url() -> Result<(), Box<dyn std::error::Error>> {
+        let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;
+        let out = cmd
+            .arg("-M")
+            .arg("-f")
+            .arg("data:text/html,<iframe src=\"https://duckduckgo.com\"></iframe>Hi")
+            .output()
+            .unwrap();

-    // STDERR should be empty
-    assert_eq!(std::str::from_utf8(&out.stderr).unwrap(), "");
+        // STDOUT should contain HTML with no iframes
+        assert_eq!(
+            std::str::from_utf8(&out.stdout).unwrap(),
+            "<html><head>\
+            <meta http-equiv=\"Content-Security-Policy\" content=\"frame-src 'none'; child-src 'none';\"></meta>\
+            </head><body><iframe src=\"\"></iframe>Hi</body></html>\n"
+        );

-    // The exit code should be 0
-    out.assert().code(0);
+        // STDERR should be empty
+        assert_eq!(std::str::from_utf8(&out.stderr).unwrap(), "");

-    Ok(())
-}
+        // The exit code should be 0
+        out.assert().code(0);

-#[test]
-fn passing_remove_js_from_data_url() -> Result<(), Box<dyn std::error::Error>> {
-    let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;
-    let out = cmd
-        .arg("-j")
-        .arg("data:text/html,<script>alert(2)</script>Hi")
-        .output()
-        .unwrap();
+        Ok(())
+    }

-    // STDOUT should contain HTML with no JS
-    assert_eq!(
-        std::str::from_utf8(&out.stdout).unwrap(),
-        "<html>\
-<head>\
-<meta http-equiv=\"Content-Security-Policy\" content=\"script-src 'none';\"></meta>\
-<script></script></head>\
-<body>Hi</body>\
-</html>\n"
-    );
+    #[test]
+    fn remove_images_from_data_url() -> Result<(), Box<dyn std::error::Error>> {
+        let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;
+        let out = cmd
+            .arg("-M")
+            .arg("-i")
+            .arg("data:text/html,<img src=\"https://google.com\"/>Hi")
+            .output()
+            .unwrap();

-    // STDERR should be empty
-    assert_eq!(std::str::from_utf8(&out.stderr).unwrap(), "");
-
-    // The exit code should be 0
-    out.assert().code(0);
-
-    Ok(())
-}
-
-#[test]
-fn passing_local_file_target_input() -> Result<(), Box<dyn std::error::Error>> {
-    let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;
-    let cwd_normalized: String =
-        str!(env::current_dir().unwrap().to_str().unwrap()).replace("\\", "/");
-    let out = cmd
-        .arg(if cfg!(windows) {
-            "src\\tests\\data\\local-file.html"
-        } else {
-            "src/tests/data/local-file.html"
-        })
-        .output()
-        .unwrap();
-    let file_url_protocol: &str = if cfg!(windows) { "file:///" } else { "file://" };
-
-    // STDOUT should contain HTML from the local file
-    assert_eq!(
-        std::str::from_utf8(&out.stdout).unwrap(),
-        "<!DOCTYPE html><html lang=\"en\"><head>\n  \
-<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">\n  \
-<title>Local HTML file</title>\n  \
-<link href=\"data:text/css;base64,Ym9keSB7CiAgICBiYWNrZ3JvdW5kLWNvbG9yOiAjMDAwOwogICAgY29sb3I6ICNmZmY7Cn0K\" rel=\"stylesheet\" type=\"text/css\">\n  \
-<link href=\"data:text/css;base64,\" rel=\"stylesheet\" type=\"text/css\">\n</head>\n\n<body>\n  \
-<img alt=\"\" src=\"\">\n  \
-<a href=\"file://local-file.html/\">Tricky href</a>\n  \
-<a href=\"https://github.com/Y2Z/monolith\">Remote URL</a>\n  \
-<script src=\"data:application/javascript;base64,ZG9jdW1lbnQuYm9keS5zdHlsZS5iYWNrZ3JvdW5kQ29sb3IgPSAiZ3JlZW4iOwpkb2N1bWVudC5ib2R5LnN0eWxlLmNvbG9yID0gInJlZCI7Cg==\"></script>\n\n\n\n\
-</body></html>\n"
-    );
-
-    // STDERR should contain list of retrieved file URLs
-    assert_eq!(
-        std::str::from_utf8(&out.stderr).unwrap(),
-        format!(
-            "{file}{cwd}/src/tests/data/local-file.html\n\
-{file}{cwd}/src/tests/data/local-style.css\n\
-{file}{cwd}/src/tests/data/local-script.js\n",
-            file = file_url_protocol,
-            cwd = cwd_normalized
-        )
-    );
-
-    // The exit code should be 0
-    out.assert().code(0);
-
-    Ok(())
-}
-
-#[test]
-fn passing_local_file_target_input_absolute_target_path() -> Result<(), Box<dyn std::error::Error>>
-{
-    let cwd = env::current_dir().unwrap();
-    let cwd_normalized: String =
-        str!(env::current_dir().unwrap().to_str().unwrap()).replace("\\", "/");
-    let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;
-    let out = cmd
-        .arg("-jciI")
-        .arg(if cfg!(windows) {
+        // STDOUT should contain HTML with no images
+        assert_eq!(
+            std::str::from_utf8(&out.stdout).unwrap(),
            format!(
-                "{cwd}\\src\\tests\\data\\local-file.html",
-                cwd = cwd.to_str().unwrap()
+                "<html>\
+                <head>\
+                <meta http-equiv=\"Content-Security-Policy\" content=\"img-src data:;\"></meta>\
+                </head>\
+                <body>\
+                <img src=\"{empty_image}\">\
+                Hi\
+                </body>\
+                </html>\n",
+                empty_image = empty_image!()
            )
-        } else {
-            format!(
-                "{cwd}/src/tests/data/local-file.html",
-                cwd = cwd.to_str().unwrap()
-            )
-        })
-        .output()
-        .unwrap();
-    let file_url_protocol: &str = if cfg!(windows) { "file:///" } else { "file://" };
+        );

-    // STDOUT should contain HTML from the local file
-    assert_eq!(
-        std::str::from_utf8(&out.stdout).unwrap(),
-        "<!DOCTYPE html><html lang=\"en\"><head>\
-<meta http-equiv=\"Content-Security-Policy\" content=\"default-src 'unsafe-inline' data:; style-src 'none'; script-src 'none'; img-src data:;\"></meta>\n  \
-<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">\n  \
-<title>Local HTML file</title>\n  \
-<link href=\"\" rel=\"stylesheet\" type=\"text/css\">\n  \
-<link href=\"\" rel=\"stylesheet\" type=\"text/css\">\n</head>\n\n<body>\n  \
-<img alt=\"\" src=\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=\">\n  \
-<a href=\"file://local-file.html/\">Tricky href</a>\n  \
-<a href=\"https://github.com/Y2Z/monolith\">Remote URL</a>\n  \
-<script src=\"\"></script>\n\n\n\n\
-</body></html>\n"
-    );
+        // STDERR should be empty
+        assert_eq!(std::str::from_utf8(&out.stderr).unwrap(), "");

-    // STDERR should contain only the target file
-    assert_eq!(
-        std::str::from_utf8(&out.stderr).unwrap(),
-        format!(
-            "{file}{cwd}/src/tests/data/local-file.html\n",
-            file = file_url_protocol,
-            cwd = cwd_normalized,
-        )
-    );
+        // The exit code should be 0
+        out.assert().code(0);

-    // The exit code should be 0
-    out.assert().code(0);
+        Ok(())
+    }

-    Ok(())
-}
+    #[test]
+    fn remove_js_from_data_url() -> Result<(), Box<dyn std::error::Error>> {
+        let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;
+        let out = cmd
+            .arg("-M")
+            .arg("-j")
+            .arg("data:text/html,<script>alert(2)</script>Hi")
+            .output()
+            .unwrap();

-#[test]
-fn passing_local_file_url_target_input() -> Result<(), Box<dyn std::error::Error>> {
-    let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;
-    let cwd_normalized: String =
-        str!(env::current_dir().unwrap().to_str().unwrap()).replace("\\", "/");
-    let file_url_protocol: &str = if cfg!(windows) { "file:///" } else { "file://" };
-    let out = cmd
-        .arg("-cji")
-        .arg(if cfg!(windows) {
-            format!(
-                "{file}{cwd}/src/tests/data/local-file.html",
-                file = file_url_protocol,
-                cwd = cwd_normalized,
-            )
-        } else {
-            format!(
-                "{file}{cwd}/src/tests/data/local-file.html",
-                file = file_url_protocol,
-                cwd = cwd_normalized,
-            )
-        })
-        .output()
-        .unwrap();
+        // STDOUT should contain HTML with no JS
+        assert_eq!(
+            std::str::from_utf8(&out.stdout).unwrap(),
+            "<html>\
+            <head>\
+            <meta http-equiv=\"Content-Security-Policy\" content=\"script-src 'none';\"></meta>\
+            <script></script></head>\
+            <body>Hi</body>\
+            </html>\n"
+        );

-    // STDOUT should contain HTML from the local file
-    assert_eq!(
-        std::str::from_utf8(&out.stdout).unwrap(),
-        "<!DOCTYPE html><html lang=\"en\"><head>\
-<meta http-equiv=\"Content-Security-Policy\" content=\"style-src 'none'; script-src 'none'; img-src data:;\"></meta>\n  \
-<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">\n  \
-<title>Local HTML file</title>\n  \
-<link href=\"\" rel=\"stylesheet\" type=\"text/css\">\n  \
-<link href=\"\" rel=\"stylesheet\" type=\"text/css\">\n</head>\n\n<body>\n  \
-<img alt=\"\" src=\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=\">\n  \
-<a href=\"file://local-file.html/\">Tricky href</a>\n  \
-<a href=\"https://github.com/Y2Z/monolith\">Remote URL</a>\n  \
-<script src=\"\"></script>\n\n\n\n\
-</body></html>\n"
-    );
+        // STDERR should be empty
+        assert_eq!(std::str::from_utf8(&out.stderr).unwrap(), "");

-    // STDERR should contain list of retrieved file URLs
-    assert_eq!(
-        std::str::from_utf8(&out.stderr).unwrap(),
-        if cfg!(windows) {
-            format!(
-                "{file}{cwd}/src/tests/data/local-file.html\n",
-                file = file_url_protocol,
-                cwd = cwd_normalized,
-            )
-        } else {
-            format!(
-                "{file}{cwd}/src/tests/data/local-file.html\n",
-                file = file_url_protocol,
-                cwd = cwd_normalized,
-            )
-        }
-    );
+        // The exit code should be 0
+        out.assert().code(0);

-    // The exit code should be 0
-    out.assert().code(0);
+        Ok(())
+    }

-    Ok(())
-}
+    #[test]
+    fn local_file_target_input() -> Result<(), Box<dyn std::error::Error>> {
+        let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;
+        let cwd_normalized: String =
+            str!(env::current_dir().unwrap().to_str().unwrap()).replace("\\", "/");
+        let out = cmd
+            .arg("-M")
+            .arg(if cfg!(windows) {
+                "src\\tests\\data\\basic\\local-file.html"
+            } else {
+                "src/tests/data/basic/local-file.html"
+            })
+            .output()
+            .unwrap();
+        let file_url_protocol: &str = if cfg!(windows) { "file:///" } else { "file://" };

-#[test]
-fn passing_security_disallow_local_assets_within_data_url_targets(
-) -> Result<(), Box<dyn std::error::Error>> {
-    let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;
-    let out = cmd
-        .arg("data:text/html,%3Cscript%20src=\"src/tests/data/local-script.js\"%3E%3C/script%3E")
-        .output()
-        .unwrap();
-
-    // STDOUT should contain HTML with no JS in it
-    assert_eq!(
-        std::str::from_utf8(&out.stdout).unwrap(),
-        "<html><head><script src=\"\"></script></head><body></body></html>\n"
-    );
-
-    // STDERR should be empty
-    assert_eq!(std::str::from_utf8(&out.stderr).unwrap(), "");
-
-    // The exit code should be 0
-    out.assert().code(0);
-
-    Ok(())
-}
-
-#[test]
-fn passing_embed_file_url_local_asset_within_style_attribute(
-) -> Result<(), Box<dyn std::error::Error>> {
-    let file_url_prefix: &str = if cfg!(windows) { "file:///" } else { "file://" };
-    let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;
-    let mut file_svg = NamedTempFile::new()?;
-    writeln!(file_svg, "<svg version=\"1.1\" baseProfile=\"full\" width=\"300\" height=\"200\" xmlns=\"http://www.w3.org/2000/svg\">\
-<rect width=\"100%\" height=\"100%\" fill=\"red\" />\
-<circle cx=\"150\" cy=\"100\" r=\"80\" fill=\"green\" />\
-<text x=\"150\" y=\"125\" font-size=\"60\" text-anchor=\"middle\" fill=\"white\">SVG</text>\
-</svg>\n")?;
-    let mut file_html = NamedTempFile::new()?;
-    writeln!(
-        file_html,
-        "<div style='background-image: url(\"{file}{path}\")'></div>\n",
-        file = file_url_prefix,
-        path = str!(file_svg.path().to_str().unwrap()).replace("\\", "/"),
-    )?;
-    let out = cmd.arg(file_html.path()).output().unwrap();
-
-    // STDOUT should contain HTML with date URL for background-image in it
-    assert_eq!(
-        std::str::from_utf8(&out.stdout).unwrap(),
-        "<html><head></head><body><div style=\"background-image: url('data:image/svg+xml;base64,PHN2ZyB2ZXJzaW9uPSIxLjEiIGJhc2VQcm9maWxlPSJmdWxsIiB3aWR0aD0iMzAwIiBoZWlnaHQ9IjIwMCIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj48cmVjdCB3aWR0aD0iMTAwJSIgaGVpZ2h0PSIxMDAlIiBmaWxsPSJyZWQiIC8+PGNpcmNsZSBjeD0iMTUwIiBjeT0iMTAwIiByPSI4MCIgZmlsbD0iZ3JlZW4iIC8+PHRleHQgeD0iMTUwIiB5PSIxMjUiIGZvbnQtc2l6ZT0iNjAiIHRleHQtYW5jaG9yPSJtaWRkbGUiIGZpbGw9IndoaXRlIj5TVkc8L3RleHQ+PC9zdmc+Cgo=')\"></div>\n\n</body></html>\n"
-    );
-
-    // STDERR should list temporary files that got retrieved
-    assert_eq!(
-        std::str::from_utf8(&out.stderr).unwrap(),
-        format!(
+        // STDOUT should contain HTML from the local file
+        assert_eq!(
+            std::str::from_utf8(&out.stdout).unwrap(),
            "\
-{file}{html_path}\n\
-{file}{svg_path}\n\
-",
+            <!DOCTYPE html><html lang=\"en\"><head>\n  \
+            <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">\n  \
+            <title>Local HTML file</title>\n  \
+            <link rel=\"stylesheet\" type=\"text/css\" href=\"data:text/css;base64,Ym9keSB7CiAgICBiYWNrZ3JvdW5kLWNvbG9yOiAjMDAwOwogICAgY29sb3I6ICNmZmY7Cn0K\">\n  \
+            <link rel=\"stylesheet\" type=\"text/css\">\n</head>\n\n<body>\n  \
+            <img alt=\"\">\n  \
+            <a href=\"file://local-file.html/\">Tricky href</a>\n  \
+            <a href=\"https://github.com/Y2Z/monolith\">Remote URL</a>\n  \
+            <script src=\"data:application/javascript;base64,ZG9jdW1lbnQuYm9keS5zdHlsZS5iYWNrZ3JvdW5kQ29sb3IgPSAiZ3JlZW4iOwpkb2N1bWVudC5ib2R5LnN0eWxlLmNvbG9yID0gInJlZCI7Cg==\"></script>\n\n\n\n\
+            </body></html>\n\
+            "
+        );
+
+        // STDERR should contain list of retrieved file URLs
+        assert_eq!(
+            std::str::from_utf8(&out.stderr).unwrap(),
+            format!(
+                "\
+                {file}{cwd}/src/tests/data/basic/local-file.html\n \
+                {file}{cwd}/src/tests/data/basic/local-style.css\n \
+                {file}{cwd}/src/tests/data/basic/local-script.js\n\
+                ",
+                file = file_url_protocol,
+                cwd = cwd_normalized
+            )
+        );
+
+        // The exit code should be 0
+        out.assert().code(0);
+
+        Ok(())
+    }
+
+    #[test]
+    fn local_file_target_input_absolute_target_path() -> Result<(), Box<dyn std::error::Error>> {
+        let cwd = env::current_dir().unwrap();
+        let cwd_normalized: String =
+            str!(env::current_dir().unwrap().to_str().unwrap()).replace("\\", "/");
+        let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;
+        let out = cmd
+            .arg("-M")
+            .arg("-jciI")
+            .arg(if cfg!(windows) {
+                format!(
+                    "{cwd}\\src\\tests\\data\\basic\\local-file.html",
+                    cwd = cwd.to_str().unwrap()
+                )
+            } else {
+                format!(
+                    "{cwd}/src/tests/data/basic/local-file.html",
+                    cwd = cwd.to_str().unwrap()
+                )
+            })
+            .output()
+            .unwrap();
+        let file_url_protocol: &str = if cfg!(windows) { "file:///" } else { "file://" };
+
+        // STDOUT should contain HTML from the local file
+        assert_eq!(
+            std::str::from_utf8(&out.stdout).unwrap(),
+            format!(
+                "\
+                <!DOCTYPE html><html lang=\"en\"><head>\
+                <meta http-equiv=\"Content-Security-Policy\" content=\"default-src 'unsafe-inline' data:; style-src 'none'; script-src 'none'; img-src data:;\"></meta>\n  \
+                <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">\n  \
+                <title>Local HTML file</title>\n  \
+                <link rel=\"stylesheet\" type=\"text/css\">\n  \
+                <link rel=\"stylesheet\" type=\"text/css\">\n</head>\n\n<body>\n  \
+                <img alt=\"\" src=\"{empty_image}\">\n  \
+                <a href=\"file://local-file.html/\">Tricky href</a>\n  \
+                <a href=\"https://github.com/Y2Z/monolith\">Remote URL</a>\n  \
+                <script></script>\n\n\n\n\
+                </body></html>\n\
+                ",
+                empty_image = empty_image!()
+            )
+        );
+
+        // STDERR should contain only the target file
+        assert_eq!(
+            std::str::from_utf8(&out.stderr).unwrap(),
+            format!(
+                "{file}{cwd}/src/tests/data/basic/local-file.html\n",
+                file = file_url_protocol,
+                cwd = cwd_normalized,
+            )
+        );
+
+        // The exit code should be 0
+        out.assert().code(0);
+
+        Ok(())
+    }
+
+    #[test]
+    fn local_file_url_target_input() -> Result<(), Box<dyn std::error::Error>> {
+        let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;
+        let cwd_normalized: String =
+            str!(env::current_dir().unwrap().to_str().unwrap()).replace("\\", "/");
+        let file_url_protocol: &str = if cfg!(windows) { "file:///" } else { "file://" };
+        let out = cmd
+            .arg("-M")
+            .arg("-cji")
+            .arg(if cfg!(windows) {
+                format!(
+                    "{file}{cwd}/src/tests/data/basic/local-file.html",
+                    file = file_url_protocol,
+                    cwd = cwd_normalized,
+                )
+            } else {
+                format!(
+                    "{file}{cwd}/src/tests/data/basic/local-file.html",
+                    file = file_url_protocol,
+                    cwd = cwd_normalized,
+                )
+            })
+            .output()
+            .unwrap();
+
+        // STDOUT should contain HTML from the local file
+        assert_eq!(
+            std::str::from_utf8(&out.stdout).unwrap(),
+            format!(
+                "\
+                <!DOCTYPE html><html lang=\"en\"><head>\
+                <meta http-equiv=\"Content-Security-Policy\" content=\"style-src 'none'; script-src 'none'; img-src data:;\"></meta>\n  \
+                <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">\n  \
+                <title>Local HTML file</title>\n  \
+                <link rel=\"stylesheet\" type=\"text/css\">\n  \
+                <link rel=\"stylesheet\" type=\"text/css\">\n</head>\n\n<body>\n  \
+                <img alt=\"\" src=\"{empty_image}\">\n  \
+                <a href=\"file://local-file.html/\">Tricky href</a>\n  \
+                <a href=\"https://github.com/Y2Z/monolith\">Remote URL</a>\n  \
+                <script></script>\n\n\n\n\
+                </body></html>\n\
+                ",
+                empty_image = empty_image!()
+            )
+        );
+
+        // STDERR should contain list of retrieved file URLs
+        assert_eq!(
+            std::str::from_utf8(&out.stderr).unwrap(),
+            if cfg!(windows) {
+                format!(
+                    "{file}{cwd}/src/tests/data/basic/local-file.html\n",
+                    file = file_url_protocol,
+                    cwd = cwd_normalized,
+                )
+            } else {
+                format!(
+                    "{file}{cwd}/src/tests/data/basic/local-file.html\n",
+                    file = file_url_protocol,
+                    cwd = cwd_normalized,
+                )
+            }
+        );
+
+        // The exit code should be 0
+        out.assert().code(0);
+
+        Ok(())
+    }
+
+    #[test]
+    fn security_disallow_local_assets_within_data_url_targets(
+    ) -> Result<(), Box<dyn std::error::Error>> {
+        let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;
+        let out = cmd
+            .arg("-M")
+            .arg("data:text/html,%3Cscript%20src=\"src/tests/data/basic/local-script.js\"%3E%3C/script%3E")
+            .output()
+            .unwrap();
+
+        // STDOUT should contain HTML with no JS in it
+        assert_eq!(
+            std::str::from_utf8(&out.stdout).unwrap(),
+            "<html><head><script></script></head><body></body></html>\n"
+        );
+
+        // STDERR should be empty
+        assert_eq!(std::str::from_utf8(&out.stderr).unwrap(), "");
+
+        // The exit code should be 0
+        out.assert().code(0);
+
+        Ok(())
+    }
+
+    #[test]
+    fn embed_file_url_local_asset_within_style_attribute() -> Result<(), Box<dyn std::error::Error>>
+    {
+        let file_url_prefix: &str = if cfg!(windows) { "file:///" } else { "file://" };
+        let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;
+        let mut file_svg = NamedTempFile::new()?;
+        writeln!(file_svg, "<svg version=\"1.1\" baseProfile=\"full\" width=\"300\" height=\"200\" xmlns=\"http://www.w3.org/2000/svg\">\
+                            <rect width=\"100%\" height=\"100%\" fill=\"red\" />\
+                            <circle cx=\"150\" cy=\"100\" r=\"80\" fill=\"green\" />\
+                            <text x=\"150\" y=\"125\" font-size=\"60\" text-anchor=\"middle\" fill=\"white\">SVG</text>\
+                            </svg>\n")?;
+        let mut file_html = NamedTempFile::new()?;
+        writeln!(
+            file_html,
+            "<div style='background-image: url(\"{file}{path}\")'></div>\n",
            file = file_url_prefix,
-            html_path = str!(file_html.path().to_str().unwrap()).replace("\\", "/"),
-            svg_path = str!(file_svg.path().to_str().unwrap()).replace("\\", "/"),
-        )
-    );
+            path = str!(file_svg.path().to_str().unwrap()).replace("\\", "/"),
+        )?;
+        let out = cmd.arg("-M").arg(file_html.path()).output().unwrap();

-    // The exit code should be 0
-    out.assert().code(0);
+        // STDOUT should contain HTML with date URL for background-image in it
+        assert_eq!(
+            std::str::from_utf8(&out.stdout).unwrap(),
+            "<html><head></head><body><div style=\"background-image: url('data:image/svg+xml;base64,PHN2ZyB2ZXJzaW9uPSIxLjEiIGJhc2VQcm9maWxlPSJmdWxsIiB3aWR0aD0iMzAwIiBoZWlnaHQ9IjIwMCIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj48cmVjdCB3aWR0aD0iMTAwJSIgaGVpZ2h0PSIxMDAlIiBmaWxsPSJyZWQiIC8+PGNpcmNsZSBjeD0iMTUwIiBjeT0iMTAwIiByPSI4MCIgZmlsbD0iZ3JlZW4iIC8+PHRleHQgeD0iMTUwIiB5PSIxMjUiIGZvbnQtc2l6ZT0iNjAiIHRleHQtYW5jaG9yPSJtaWRkbGUiIGZpbGw9IndoaXRlIj5TVkc8L3RleHQ+PC9zdmc+Cgo=')\"></div>\n\n</body></html>\n"
+        );

-    Ok(())
-}
+        // STDERR should list temporary files that got retrieved
+        assert_eq!(
+            std::str::from_utf8(&out.stderr).unwrap(),
+            format!(
+                "\
+                {file}{html_path}\n \
+                {file}{svg_path}\n\
+                ",
+                file = file_url_prefix,
+                html_path = str!(file_html.path().to_str().unwrap()).replace("\\", "/"),
+                svg_path = str!(file_svg.path().to_str().unwrap()).replace("\\", "/"),
+            )
+        );

-#[test]
-fn passing_css_import_string() -> Result<(), Box<dyn std::error::Error>> {
-    let file_url_prefix: &str = if cfg!(windows) { "file:///" } else { "file://" };
-    let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;
-    let mut file_css = NamedTempFile::new()?;
-    writeln!(file_css, "body{{background-color:#000;color:#fff}}")?;
-    let mut file_html = NamedTempFile::new()?;
-    writeln!(
-        file_html,
-        "<style>\n\
-@charset 'UTF-8';\n\
-\n\
-@import '{file}{css_path}';\n\
-\n\
-@import url({file}{css_path});\n\
-\n\
-@import url('{file}{css_path}')\n\
-</style>\n",
-        file = file_url_prefix,
-        css_path = str!(file_css.path().to_str().unwrap()).replace("\\", "/"),
-    )?;
-    let out = cmd.arg(file_html.path()).output().unwrap();
+        // The exit code should be 0
+        out.assert().code(0);

-    // STDOUT should contain embedded CSS url()'s
-    assert_eq!(
-        std::str::from_utf8(&out.stdout).unwrap(),
-        "<html><head><style>\n@charset 'UTF-8';\n\n@import 'data:text/css;base64,Ym9keXtiYWNrZ3JvdW5kLWNvbG9yOiMwMDA7Y29sb3I6I2ZmZn0K';\n\n@import url('data:text/css;base64,Ym9keXtiYWNrZ3JvdW5kLWNvbG9yOiMwMDA7Y29sb3I6I2ZmZn0K');\n\n@import url('data:text/css;base64,Ym9keXtiYWNrZ3JvdW5kLWNvbG9yOiMwMDA7Y29sb3I6I2ZmZn0K')\n</style>\n\n</head><body></body></html>\n"
-    );
+        Ok(())
+    }

-    // STDERR should list temporary files that got retrieved
-    assert_eq!(
-        std::str::from_utf8(&out.stderr).unwrap(),
-        format!(
+    #[test]
+    fn css_import_string() -> Result<(), Box<dyn std::error::Error>> {
+        let file_url_prefix: &str = if cfg!(windows) { "file:///" } else { "file://" };
+        let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;
+        let mut file_css = NamedTempFile::new()?;
+        writeln!(file_css, "body{{background-color:#000;color:#fff}}")?;
+        let mut file_html = NamedTempFile::new()?;
+        writeln!(
+            file_html,
            "\
-{file}{html_path}\n\
-{file}{css_path}\n\
-{file}{css_path}\n\
-{file}{css_path}\n\
-",
+            <style>\n\
+            @charset 'UTF-8';\n\
+            \n\
+            @import '{file}{css_path}';\n\
+            \n\
+            @import url({file}{css_path});\n\
+            \n\
+            @import url('{file}{css_path}')\n\
+            </style>\n\
+            ",
            file = file_url_prefix,
-            html_path = str!(file_html.path().to_str().unwrap()).replace("\\", "/"),
            css_path = str!(file_css.path().to_str().unwrap()).replace("\\", "/"),
-        )
-    );
+        )?;
+        let out = cmd.arg("-M").arg(file_html.path()).output().unwrap();

-    // The exit code should be 0
-    out.assert().code(0);
+        // STDOUT should contain embedded CSS url()'s
+        assert_eq!(
+            std::str::from_utf8(&out.stdout).unwrap(),
+            "<html><head><style>\n@charset 'UTF-8';\n\n@import 'data:text/css;base64,Ym9keXtiYWNrZ3JvdW5kLWNvbG9yOiMwMDA7Y29sb3I6I2ZmZn0K';\n\n@import url('data:text/css;base64,Ym9keXtiYWNrZ3JvdW5kLWNvbG9yOiMwMDA7Y29sb3I6I2ZmZn0K');\n\n@import url('data:text/css;base64,Ym9keXtiYWNrZ3JvdW5kLWNvbG9yOiMwMDA7Y29sb3I6I2ZmZn0K')\n</style>\n\n</head><body></body></html>\n"
+        );

-    Ok(())
+        // STDERR should list temporary files that got retrieved
+        assert_eq!(
+            std::str::from_utf8(&out.stderr).unwrap(),
+            format!(
+                "\
+                {file}{html_path}\n \
+                {file}{css_path}\n \
+                {file}{css_path}\n \
+                {file}{css_path}\n\
+                ",
+                file = file_url_prefix,
+                html_path = str!(file_html.path().to_str().unwrap()).replace("\\", "/"),
+                css_path = str!(file_css.path().to_str().unwrap()).replace("\\", "/"),
+            )
+        );
+
+        // The exit code should be 0
+        out.assert().code(0);
+
+        Ok(())
+    }
 }
--- a/src/tests/css/embed_css.rs
+++ b/src/tests/css/embed_css.rs
@@ -1,8 +1,3 @@
-use reqwest::blocking::Client;
-use std::collections::HashMap;
-
-use crate::css;
-
 //  ██████╗  █████╗ ███████╗███████╗██╗███╗   ██╗ ██████╗
 //  ██╔══██╗██╔══██╗██╔════╝██╔════╝██║████╗  ██║██╔════╝
 //  ██████╔╝███████║███████╗███████╗██║██╔██╗ ██║██║  ███╗
@@ -10,191 +5,346 @@ use crate::css;
 //  ██║     ██║  ██║███████║███████║██║██║ ╚████║╚██████╔╝
 //  ╚═╝     ╚═╝  ╚═╝╚══════╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝

-#[test]
-fn passing_empty_input() {
-    let cache = &mut HashMap::new();
-    let client = Client::new();
+#[cfg(test)]
+mod passing {
+    use reqwest::blocking::Client;
+    use std::collections::HashMap;

-    assert_eq!(css::embed_css(cache, &client, "", "", false, false,), "");
-}
-
-#[test]
-fn passing_style_exclude_unquoted_images() {
-    let cache = &mut HashMap::new();
-    let client = Client::new();
-
-    const STYLE: &str = "/* border: none;*/\
-background-image: url(https://somewhere.com/bg.png); \
-list-style: url(/assets/images/bullet.svg);\
-width:99.998%; \
-margin-top: -20px; \
-line-height: -1; \
-height: calc(100vh - 10pt)";
-
-    assert_eq!(
-        css::embed_css(
-            cache,
-            &client,
-            "https://doesntmatter.local/",
-            &STYLE,
-            true,
-            true,
-        ),
-        "/* border: none;*/\
-background-image: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII='); \
-list-style: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=');\
-width:99.998%; \
-margin-top: -20px; \
-line-height: -1; \
-height: calc(100vh - 10pt)"
-    );
-}
-
-#[test]
-fn passing_style_exclude_single_quoted_images() {
-    let cache = &mut HashMap::new();
-    let client = Client::new();
-
-    const STYLE: &str = "/* border: none;*/\
-background-image: url('https://somewhere.com/bg.png'); \
-list-style: url('/assets/images/bullet.svg');\
-width:99.998%; \
-margin-top: -20px; \
-line-height: -1; \
-height: calc(100vh - 10pt)";
-
-    assert_eq!(
-        css::embed_css(
-            cache,
-            &client,
-            "",
-            &STYLE,
-            true,
-            true,
-        ),
-        "/* border: none;*/\
-background-image: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII='); \
-list-style: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=');\
-width:99.998%; \
-margin-top: -20px; \
-line-height: -1; \
-height: calc(100vh - 10pt)"
-    );
-}
-
-#[test]
-fn passing_style_block() {
-    let cache = &mut HashMap::new();
-    let client = Client::new();
-
-    const CSS: &str = "\
-#id.class-name:not(:nth-child(3n+0)) {\n  \
-  // border: none;\n  \
-  background-image: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=');\n\
-}\n\
-\n\
-html > body {}";
-
-    assert_eq!(
-        css::embed_css(cache, &client, "file:///", &CSS, false, true,),
-        CSS
-    );
-}
-
-#[test]
-fn passing_attribute_selectors() {
-    let cache = &mut HashMap::new();
-    let client = Client::new();
-
-    const CSS: &str = "\
-[data-value] {
-    /* Attribute exists */
-}
-
-[data-value='foo'] {
-    /* Attribute has this exact value */
-}
-
-[data-value*='foo'] {
-    /* Attribute value contains this value somewhere in it */
-}
-
-[data-value~='foo'] {
-    /* Attribute has this value in a space-separated list somewhere */
-}
-
-[data-value^='foo'] {
-    /* Attribute value starts with this */
-}
-
-[data-value|='foo'] {
-    /* Attribute value starts with this in a dash-separated list */
-}
-
-[data-value$='foo'] {
-    /* Attribute value ends with this */
-}
-";
-
-    assert_eq!(css::embed_css(cache, &client, "", &CSS, false, false,), CSS);
-}
-
-#[test]
-fn passing_import_string() {
-    let cache = &mut HashMap::new();
-    let client = Client::new();
-
-    const CSS: &str = "\
-@charset 'UTF-8';\n\
-\n\
-@import 'data:text/css,html{background-color:%23000}';\n\
-\n\
-@import url('data:text/css,html{color:%23fff}')\n\
-";
-
-    assert_eq!(
-        css::embed_css(
-            cache,
-            &client,
-            "https://doesntmatter.local/",
-            &CSS,
-            false,
-            true,
-        ),
-        "\
-@charset 'UTF-8';\n\
-\n\
-@import 'data:text/css;base64,ZGF0YTp0ZXh0L2NzcyxodG1se2JhY2tncm91bmQtY29sb3I6IzAwMH0=';\n\
-\n\
-@import url('data:text/css;base64,ZGF0YTp0ZXh0L2NzcyxodG1se2NvbG9yOiNmZmZ9')\n\
-"
-    );
-}
-
-#[test]
-fn passing_hash_urls() {
-    let cache = &mut HashMap::new();
-    let client = Client::new();
-
-    const CSS: &str = "\
-body {\n    \
-    behavior: url(#default#something);\n\
-}\n\
-\n\
-.scissorHalf {\n    \
-    offset-path: url(#somePath);\n\
-}\n\
-";
-
-    assert_eq!(
-        css::embed_css(
-            cache,
-            &client,
-            "https://doesntmatter.local/",
-            &CSS,
-            false,
-            true,
-        ),
-        CSS
-    );
+    use crate::css;
+    use crate::opts::Options;
+
+    #[test]
+    fn empty_input() {
+        let cache = &mut HashMap::new();
+        let client = Client::new();
+        let options = Options::default();
+
+        assert_eq!(css::embed_css(cache, &client, "", "", &options, 0), "");
+    }
+
+    #[test]
+    fn trim_if_empty() {
+        let cache = &mut HashMap::new();
+        let client = Client::new();
+        let options = Options::default();
+
+        assert_eq!(
+            css::embed_css(
+                cache,
+                &client,
+                "https://doesntmatter.local/",
+                "\t     \t   ",
+                &options,
+                0,
+            ),
+            ""
+        );
+    }
+
+    #[test]
+    fn style_exclude_unquoted_images() {
+        let cache = &mut HashMap::new();
+        let client = Client::new();
+        let mut options = Options::default();
+        options.no_images = true;
+        options.silent = true;
+
+        const STYLE: &str = "/* border: none;*/\
+            background-image: url(https://somewhere.com/bg.png); \
+            list-style: url(/assets/images/bullet.svg);\
+            width:99.998%; \
+            margin-top: -20px; \
+            line-height: -1; \
+            height: calc(100vh - 10pt)";
+
+        assert_eq!(
+            css::embed_css(
+                cache,
+                &client,
+                "https://doesntmatter.local/",
+                &STYLE,
+                &options,
+                0,
+            ),
+            format!(
+                "/* border: none;*/\
+                background-image: url('{empty_image}'); \
+                list-style: url('{empty_image}');\
+                width:99.998%; \
+                margin-top: -20px; \
+                line-height: -1; \
+                height: calc(100vh - 10pt)",
+                empty_image = empty_image!()
+            )
+        );
+    }
+
+    #[test]
+    fn style_exclude_single_quoted_images() {
+        let cache = &mut HashMap::new();
+        let client = Client::new();
+        let mut options = Options::default();
+        options.no_images = true;
+        options.silent = true;
+
+        const STYLE: &str = "/* border: none;*/\
+            background-image: url('https://somewhere.com/bg.png'); \
+            list-style: url('/assets/images/bullet.svg');\
+            width:99.998%; \
+            margin-top: -20px; \
+            line-height: -1; \
+            height: calc(100vh - 10pt)";
+
+        assert_eq!(
+            css::embed_css(cache, &client, "", &STYLE, &options, 0),
+            format!(
+                "/* border: none;*/\
+                background-image: url('{empty_image}'); \
+                list-style: url('{empty_image}');\
+                width:99.998%; \
+                margin-top: -20px; \
+                line-height: -1; \
+                height: calc(100vh - 10pt)",
+                empty_image = empty_image!()
+            )
+        );
+    }
+
+    #[test]
+    fn style_block() {
+        let cache = &mut HashMap::new();
+        let client = Client::new();
+        let mut options = Options::default();
+        options.silent = true;
+
+        const CSS: &str = "\
+            #id.class-name:not(:nth-child(3n+0)) {\n  \
+            // border: none;\n  \
+            background-image: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=');\n\
+            }\n\
+            \n\
+            html > body {}";
+
+        assert_eq!(
+            css::embed_css(cache, &client, "file:///", &CSS, &options, 0),
+            CSS
+        );
+    }
+
+    #[test]
+    fn attribute_selectors() {
+        let cache = &mut HashMap::new();
+        let client = Client::new();
+        let mut options = Options::default();
+        options.silent = true;
+
+        const CSS: &str = "\
+            [data-value] {
+                /* Attribute exists */
+            }
+
+            [data-value='foo'] {
+                /* Attribute has this exact value */
+            }
+
+            [data-value*='foo'] {
+                /* Attribute value contains this value somewhere in it */
+            }
+
+            [data-value~='foo'] {
+                /* Attribute has this value in a space-separated list somewhere */
+            }
+
+            [data-value^='foo'] {
+                /* Attribute value starts with this */
+            }
+
+            [data-value|='foo'] {
+                /* Attribute value starts with this in a dash-separated list */
+            }
+
+            [data-value$='foo'] {
+                /* Attribute value ends with this */
+            }
+            ";
+
+        assert_eq!(css::embed_css(cache, &client, "", &CSS, &options, 0), CSS);
+    }
+
+    #[test]
+    fn import_string() {
+        let cache = &mut HashMap::new();
+        let client = Client::new();
+        let mut options = Options::default();
+        options.silent = true;
+
+        const CSS: &str = "\
+            @charset 'UTF-8';\n\
+            \n\
+            @import 'data:text/css,html{background-color:%23000}';\n\
+            \n\
+            @import url('data:text/css,html{color:%23fff}')\n\
+            ";
+
+        assert_eq!(
+            css::embed_css(
+                cache,
+                &client,
+                "https://doesntmatter.local/",
+                &CSS,
+                &options,
+                0,
+            ),
+            "\
+            @charset 'UTF-8';\n\
+            \n\
+            @import 'data:text/css;base64,aHRtbHtiYWNrZ3JvdW5kLWNvbG9yOiMwMDB9';\n\
+            \n\
+            @import url('data:text/css;base64,aHRtbHtjb2xvcjojZmZmfQ==')\n\
+            "
+        );
+    }
+
+    #[test]
+    fn hash_urls() {
+        let cache = &mut HashMap::new();
+        let client = Client::new();
+        let mut options = Options::default();
+        options.silent = true;
+
+        const CSS: &str = "\
+            body {\n    \
+                behavior: url(#default#something);\n\
+            }\n\
+            \n\
+            .scissorHalf {\n    \
+                offset-path: url(#somePath);\n\
+            }\n\
+            ";
+
+        assert_eq!(
+            css::embed_css(
+                cache,
+                &client,
+                "https://doesntmatter.local/",
+                &CSS,
+                &options,
+                0,
+            ),
+            CSS
+        );
+    }
+
+    #[test]
+    fn transform_percentages_and_degrees() {
+        let cache = &mut HashMap::new();
+        let client = Client::new();
+        let mut options = Options::default();
+        options.silent = true;
+
+        const CSS: &str = "\
+            div {\n    \
+                transform: translate(-50%, -50%) rotate(-45deg);\n\
+                transform: translate(50%, 50%) rotate(45deg);\n\
+                transform: translate(+50%, +50%) rotate(+45deg);\n\
+            }\n\
+            ";
+
+        assert_eq!(
+            css::embed_css(
+                cache,
+                &client,
+                "https://doesntmatter.local/",
+                &CSS,
+                &options,
+                0,
+            ),
+            CSS
+        );
+    }
+
+    #[test]
+    fn unusual_indents() {
+        let cache = &mut HashMap::new();
+        let client = Client::new();
+        let mut options = Options::default();
+        options.silent = true;
+
+        const CSS: &str = "\
+            .is\\:good:hover {\n    \
+                color: green\n\
+            }\n\
+            \n\
+            #\\~\\!\\@\\$\\%\\^\\&\\*\\(\\)\\+\\=\\,\\.\\/\\\\\\'\\\"\\;\\:\\?\\>\\<\\[\\]\\{\\}\\|\\`\\# {\n    \
+                color: black\n\
+            }\n\
+            ";
+
+        assert_eq!(
+            css::embed_css(
+                cache,
+                &client,
+                "https://doesntmatter.local/",
+                &CSS,
+                &options,
+                0,
+            ),
+            CSS
+        );
+    }
+
+    #[test]
+    fn exclude_fonts() {
+        let cache = &mut HashMap::new();
+        let client = Client::new();
+        let mut options = Options::default();
+        options.no_fonts = true;
+        options.silent = true;
+
+        const CSS: &str = "\
+            @font-face {\n    \
+                font-family: 'My Font';\n    \
+                src: url(my_font.woff);\n\
+            }\n\
+            \n\
+            #identifier {\n    \
+                font-family: 'My Font' Arial\n\
+            }\n\
+            \n\
+            @font-face {\n    \
+                font-family: 'My Font';\n    \
+                src: url(my_font.woff);\n\
+            }\n\
+            \n\
+            div {\n    \
+                font-family: 'My Font' Verdana\n\
+            }\n\
+            ";
+
+        const CSS_OUT: &str = " \
+            \n\
+            \n\
+            #identifier {\n    \
+                font-family: 'My Font' Arial\n\
+            }\n\
+            \n \
+            \n\
+            \n\
+            div {\n    \
+                font-family: 'My Font' Verdana\n\
+            }\n\
+            ";
+
+        assert_eq!(
+            css::embed_css(
+                cache,
+                &client,
+                "https://doesntmatter.local/",
+                &CSS,
+                &options,
+                0,
+            ),
+            CSS_OUT
+        );
+    }
 }
--- a/src/tests/css/enquote.rs
+++ b/src/tests/css/enquote.rs
@@ -1,5 +1,3 @@
-use crate::css;
-
 //  ██████╗  █████╗ ███████╗███████╗██╗███╗   ██╗ ██████╗
 //  ██╔══██╗██╔══██╗██╔════╝██╔════╝██║████╗  ██║██╔════╝
 //  ██████╔╝███████║███████╗███████╗██║██╔██╗ ██║██║  ███╗
@@ -7,44 +5,49 @@ use crate::css;
 //  ██║     ██║  ██║███████║███████║██║██║ ╚████║╚██████╔╝
 //  ╚═╝     ╚═╝  ╚═╝╚══════╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝

-#[test]
-fn passing_empty_input_single_quotes() {
-    assert_eq!(css::enquote(str!(""), false), "''");
-}
+#[cfg(test)]
+mod passing {
+    use crate::css;

-#[test]
-fn passing_empty_input_double_quotes() {
-    assert_eq!(css::enquote(str!(""), true), "\"\"");
-}
+    #[test]
+    fn empty_input_single_quotes() {
+        assert_eq!(css::enquote(str!(""), false), "''");
+    }

-#[test]
-fn passing_apostrophes_single_quotes() {
-    assert_eq!(
-        css::enquote(str!("It's a lovely day, don't you think?"), false),
-        "'It\\'s a lovely day, don\\'t you think?'"
-    );
-}
+    #[test]
+    fn empty_input_double_quotes() {
+        assert_eq!(css::enquote(str!(""), true), "\"\"");
+    }

-#[test]
-fn passing_apostrophes_double_quotes() {
-    assert_eq!(
-        css::enquote(str!("It's a lovely day, don't you think?"), true),
-        "\"It's a lovely day, don't you think?\""
-    );
-}
+    #[test]
+    fn apostrophes_single_quotes() {
+        assert_eq!(
+            css::enquote(str!("It's a lovely day, don't you think?"), false),
+            "'It\\'s a lovely day, don\\'t you think?'"
+        );
+    }

-#[test]
-fn passing_feet_and_inches_single_quotes() {
-    assert_eq!(
-        css::enquote(str!("5'2\", 6'5\""), false),
-        "'5\\'2\", 6\\'5\"'"
-    );
-}
+    #[test]
+    fn apostrophes_double_quotes() {
+        assert_eq!(
+            css::enquote(str!("It's a lovely day, don't you think?"), true),
+            "\"It's a lovely day, don't you think?\""
+        );
+    }

-#[test]
-fn passing_feet_and_inches_double_quotes() {
-    assert_eq!(
-        css::enquote(str!("5'2\", 6'5\""), true),
-        "\"5'2\\\", 6'5\\\"\""
-    );
+    #[test]
+    fn feet_and_inches_single_quotes() {
+        assert_eq!(
+            css::enquote(str!("5'2\", 6'5\""), false),
+            "'5\\'2\", 6\\'5\"'"
+        );
+    }
+
+    #[test]
+    fn feet_and_inches_double_quotes() {
+        assert_eq!(
+            css::enquote(str!("5'2\", 6'5\""), true),
+            "\"5'2\\\", 6'5\\\"\""
+        );
+    }
 }
--- a/src/tests/data/basic/local-file.html
+++ b/src/tests/data/basic/local-file.html
--- a/src/tests/data/basic/local-script.js
+++ b/src/tests/data/basic/local-script.js
--- a/src/tests/data/basic/local-style.css
+++ b/src/tests/data/basic/local-style.css
--- a/src/tests/data/import-css-via-data-url/index.html
+++ b/src/tests/data/import-css-via-data-url/index.html
@@ -0,0 +1,23 @@
+<!doctype html>
+
+<html lang="en">
+
+<head>
+  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+  <title>Attempt to import CSS via data URL asset</title>
+  <style>
+
+body {
+  background-color: white;
+  color: black;
+}
+
+  </style>
+  <link href="data:text/css;base64,QGltcG9ydCAic3R5bGUuY3NzIjsK" rel="stylesheet" type="text/css" />
+</head>
+
+<body>
+  <p>If you see pink background with white foreground then we’re in trouble</p>
+</body>
+
+</html>
--- a/src/tests/data/import-css-via-data-url/style.css
+++ b/src/tests/data/import-css-via-data-url/style.css
@@ -0,0 +1,4 @@
+body {
+  background-color: pink;
+  color: white;
+}
--- a/src/tests/data/integrity/index.html
+++ b/src/tests/data/integrity/index.html
@@ -0,0 +1,19 @@
+<!doctype html>
+
+<html lang="en">
+
+<head>
+  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+  <meta http-equiv="Content-Security-Policy" content="default-src 'unsafe-inline' file:;" />
+  <title>Local HTML file</title>
+  <link href="style.css" rel="stylesheet" type="text/css" integrity="sha512-IWaCTORHkRhOWzcZeILSVmV6V6gPTHgNem6o6rsFAyaKTieDFkeeMrWjtO0DuWrX3bqZY46CVTZXUu0mia0qXQ==" crossorigin="anonymous" />
+  <link href="style.css" rel="stylesheet" type="text/css" integrity="sha512-vWBzl4NE9oIg8NFOPAyOZbaam0UXWr6aDHPaY2kodSzAFl+mKoj/RMNc6C31NDqK4mE2i68IWxYWqWJPLCgPOw==" crossorigin="anonymous" />
+</head>
+
+<body>
+  <p>This page should have black background and white foreground, but only when served via http: (not via file:)</p>
+  <script src="script.js" integrity="sha256-ecrEsYh3+ICCX8BCrNSotXgI5534282JwJjx8Q9ZWLc="></script>
+  <script src="script.js" integrity="sha256-6idk9dK0bOkVdG7Oz4/0YLXSJya8xZHqbRZKMhYrt6o="></script>
+</body>
+
+</html>
--- a/src/tests/data/integrity/script.js
+++ b/src/tests/data/integrity/script.js
@@ -0,0 +1,3 @@
+function noop() {
+    console.log("monolith");
+}
--- a/src/tests/data/integrity/style.css
+++ b/src/tests/data/integrity/style.css
@@ -0,0 +1,4 @@
+body {
+    background-color: #000;
+    color: #FFF;
+}
--- a/src/tests/utils/data_to_data_url.rs
+++ b/src/tests/utils/data_to_data_url.rs
@@ -1,5 +1,3 @@
-use crate::utils;
-
 //  ██████╗  █████╗ ███████╗███████╗██╗███╗   ██╗ ██████╗
 //  ██╔══██╗██╔══██╗██╔════╝██╔════╝██║████╗  ██║██╔════╝
 //  ██████╔╝███████║███████╗███████╗██║██╔██╗ ██║██║  ███╗
@@ -7,22 +5,25 @@ use crate::utils;
 //  ██║     ██║  ██║███████║███████║██║██║ ╚████║╚██████╔╝
 //  ╚═╝     ╚═╝  ╚═╝╚══════╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝

-#[test]
-fn passing_encode_string_with_specific_media_type() {
-    let mime = "application/javascript";
-    let data = "var word = 'hello';\nalert(word);\n";
-    let data_url = utils::data_to_data_url(mime, data.as_bytes(), "", "");
+#[cfg(test)]
+mod passing {
+    use html5ever::serialize::{serialize, SerializeOpts};

-    assert_eq!(
-        &data_url,
-        "data:application/javascript;base64,dmFyIHdvcmQgPSAnaGVsbG8nOwphbGVydCh3b3JkKTsK"
-    );
-}
-
-#[test]
-fn passing_encode_append_fragment() {
-    let data = "<svg></svg>\n";
-    let data_url = utils::data_to_data_url("text/css", data.as_bytes(), "", "fragment");
-
-    assert_eq!(&data_url, "data:text/css;base64,PHN2Zz48L3N2Zz4K#fragment");
+    use crate::html;
+
+    #[test]
+    fn basic() {
+        let html = "<div>text</div>";
+        let mut dom = html::html_to_dom(&html);
+
+        dom = html::add_favicon(&dom.document, "I_AM_A_FAVICON_DATA_URL".to_string());
+
+        let mut buf: Vec<u8> = Vec::new();
+        serialize(&mut buf, &dom.document, SerializeOpts::default()).unwrap();
+
+        assert_eq!(
+            buf.iter().map(|&c| c as char).collect::<String>(),
+            "<html><head><link rel=\"icon\" href=\"I_AM_A_FAVICON_DATA_URL\"></link></head><body><div>text</div></body></html>"
+        );
+    }
 }
--- a/src/tests/html/csp.rs
+++ b/src/tests/html/csp.rs
@@ -0,0 +1,80 @@
+//  ██████╗  █████╗ ███████╗███████╗██╗███╗   ██╗ ██████╗
+//  ██╔══██╗██╔══██╗██╔════╝██╔════╝██║████╗  ██║██╔════╝
+//  ██████╔╝███████║███████╗███████╗██║██╔██╗ ██║██║  ███╗
+//  ██╔═══╝ ██╔══██║╚════██║╚════██║██║██║╚██╗██║██║   ██║
+//  ██║     ██║  ██║███████║███████║██║██║ ╚████║╚██████╔╝
+//  ╚═╝     ╚═╝  ╚═╝╚══════╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝
+
+#[cfg(test)]
+mod passing {
+    use crate::html;
+    use crate::opts::Options;
+
+    #[test]
+    fn isolated() {
+        let mut options = Options::default();
+        options.isolate = true;
+        let csp_content = html::csp(&options);
+
+        assert_eq!(csp_content, "default-src 'unsafe-inline' data:;");
+    }
+
+    #[test]
+    fn no_css() {
+        let mut options = Options::default();
+        options.no_css = true;
+        let csp_content = html::csp(&options);
+
+        assert_eq!(csp_content, "style-src 'none';");
+    }
+
+    #[test]
+    fn no_fonts() {
+        let mut options = Options::default();
+        options.no_fonts = true;
+        let csp_content = html::csp(&options);
+
+        assert_eq!(csp_content, "font-src 'none';");
+    }
+
+    #[test]
+    fn no_frames() {
+        let mut options = Options::default();
+        options.no_frames = true;
+        let csp_content = html::csp(&options);
+
+        assert_eq!(csp_content, "frame-src 'none'; child-src 'none';");
+    }
+
+    #[test]
+    fn no_js() {
+        let mut options = Options::default();
+        options.no_js = true;
+        let csp_content = html::csp(&options);
+
+        assert_eq!(csp_content, "script-src 'none';");
+    }
+
+    #[test]
+    fn no_images() {
+        let mut options = Options::default();
+        options.no_images = true;
+        let csp_content = html::csp(&options);
+
+        assert_eq!(csp_content, "img-src data:;");
+    }
+
+    #[test]
+    fn all() {
+        let mut options = Options::default();
+        options.isolate = true;
+        options.no_css = true;
+        options.no_fonts = true;
+        options.no_frames = true;
+        options.no_js = true;
+        options.no_images = true;
+        let csp_content = html::csp(&options);
+
+        assert_eq!(csp_content, "default-src 'unsafe-inline' data:; style-src 'none'; font-src 'none'; frame-src 'none'; child-src 'none'; script-src 'none'; img-src data:;");
+    }
+}
--- a/src/tests/html/embed_srcset.rs
+++ b/src/tests/html/embed_srcset.rs
@@ -0,0 +1,31 @@
+//  ██████╗  █████╗ ███████╗███████╗██╗███╗   ██╗ ██████╗
+//  ██╔══██╗██╔══██╗██╔════╝██╔════╝██║████╗  ██║██╔════╝
+//  ██████╔╝███████║███████╗███████╗██║██╔██╗ ██║██║  ███╗
+//  ██╔═══╝ ██╔══██║╚════██║╚════██║██║██║╚██╗██║██║   ██║
+//  ██║     ██║  ██║███████║███████║██║██║ ╚████║╚██████╔╝
+//  ╚═╝     ╚═╝  ╚═╝╚══════╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝
+
+#[cfg(test)]
+mod passing {
+    use reqwest::blocking::Client;
+    use std::collections::HashMap;
+
+    use crate::html;
+    use crate::opts::Options;
+
+    #[test]
+    fn replace_with_empty_images() {
+        let cache = &mut HashMap::new();
+        let client = Client::new();
+        let srcset_value = "small.png 1x, large.png 2x";
+        let mut options = Options::default();
+        options.no_images = true;
+        options.silent = true;
+        let embedded_css = html::embed_srcset(cache, &client, "", &srcset_value, &options, 0);
+
+        assert_eq!(
+            format!("{} 1x, {} 2x", empty_image!(), empty_image!()),
+            embedded_css
+        );
+    }
+}
--- a/src/tests/html/get_node_name.rs
+++ b/src/tests/html/get_node_name.rs
@@ -1,6 +1,3 @@
-use crate::html;
-use html5ever::rcdom::{Handle, NodeData};
-
 //  ██████╗  █████╗ ███████╗███████╗██╗███╗   ██╗ ██████╗
 //  ██╔══██╗██╔══██╗██╔════╝██╔════╝██║████╗  ██║██╔════╝
 //  ██████╔╝███████║███████╗███████╗██║██╔██╗ ██║██║  ███╗
@@ -8,42 +5,49 @@ use html5ever::rcdom::{Handle, NodeData};
 //  ██║     ██║  ██║███████║███████║██║██║ ╚████║╚██████╔╝
 //  ╚═╝     ╚═╝  ╚═╝╚══════╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝

-#[test]
-fn get_node_name() {
-    let html = "<!doctype html><html><HEAD></HEAD><body><div><P></P></div></body></html>";
-    let dom = html::html_to_dom(&html);
-    let mut count = 0;
+#[cfg(test)]
+mod passing {
+    use html5ever::rcdom::{Handle, NodeData};

-    fn test_walk(node: &Handle, i: &mut i8) {
-        *i += 1;
+    use crate::html;

-        match &node.data {
-            NodeData::Document => {
-                for child in node.children.borrow().iter() {
-                    test_walk(child, &mut *i);
-                }
-            }
-            NodeData::Element { ref name, .. } => {
-                let node_name = name.local.as_ref().to_string();
-                let parent = html::get_parent_node(node);
-                let parent_node_name = html::get_node_name(&parent);
-                if node_name == "head" || node_name == "body" {
-                    assert_eq!(parent_node_name, "html");
-                } else if node_name == "div" {
-                    assert_eq!(parent_node_name, "body");
-                } else if node_name == "p" {
-                    assert_eq!(parent_node_name, "div");
-                }
+    #[test]
+    fn get_node_name() {
+        let html = "<!doctype html><html><HEAD></HEAD><body><div><P></P></div></body></html>";
+        let dom = html::html_to_dom(&html);
+        let mut count = 0;

-                for child in node.children.borrow().iter() {
-                    test_walk(child, &mut *i);
+        fn test_walk(node: &Handle, i: &mut i8) {
+            *i += 1;
+
+            match &node.data {
+                NodeData::Document => {
+                    for child in node.children.borrow().iter() {
+                        test_walk(child, &mut *i);
+                    }
                }
-            }
-            _ => (),
-        };
+                NodeData::Element { ref name, .. } => {
+                    let node_name = name.local.as_ref().to_string();
+                    let parent = html::get_parent_node(node);
+                    let parent_node_name = html::get_node_name(&parent);
+                    if node_name == "head" || node_name == "body" {
+                        assert_eq!(parent_node_name, Some("html"));
+                    } else if node_name == "div" {
+                        assert_eq!(parent_node_name, Some("body"));
+                    } else if node_name == "p" {
+                        assert_eq!(parent_node_name, Some("div"));
+                    }
+
+                    for child in node.children.borrow().iter() {
+                        test_walk(child, &mut *i);
+                    }
+                }
+                _ => (),
+            };
+        }
+
+        test_walk(&dom.document, &mut count);
+
+        assert_eq!(count, 7);
    }
-
-    test_walk(&dom.document, &mut count);
-
-    assert_eq!(count, 7);
 }
--- a/src/tests/utils/is_http_url.rs
+++ b/src/tests/utils/is_http_url.rs
@@ -1,5 +1,3 @@
-use crate::utils;
-
 //  ██████╗  █████╗ ███████╗███████╗██╗███╗   ██╗ ██████╗
 //  ██╔══██╗██╔══██╗██╔════╝██╔════╝██║████╗  ██║██╔════╝
 //  ██████╔╝███████║███████╗███████╗██║██╔██╗ ██║██║  ███╗
@@ -7,19 +5,28 @@ use crate::utils;
 //  ██║     ██║  ██║███████║███████║██║██║ ╚████║╚██████╔╝
 //  ╚═╝     ╚═╝  ╚═╝╚══════╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝

-#[test]
-fn passing_http_url() {
-    assert!(utils::is_http_url("http://kernel.org"));
-}
+#[cfg(test)]
+mod passing {
+    use crate::html;
+    use crate::opts::Options;

-#[test]
-fn passing_https_url() {
-    assert!(utils::is_http_url("https://www.rust-lang.org/"));
-}
+    #[test]
+    fn icon() {
+        let html = "<link rel=\"icon\" href=\"\" /><div>text</div>";
+        let dom = html::html_to_dom(&html);
+        let res: bool = html::has_favicon(&dom.document);

-#[test]
-fn passing_http_url_with_backslashes() {
-    assert!(utils::is_http_url("http:\\\\freebsd.org\\"));
+        assert!(res);
+    }
+
+    #[test]
+    fn shortcut_icon() {
+        let html = "<link rel=\"shortcut icon\" href=\"\" /><div>text</div>";
+        let dom = html::html_to_dom(&html);
+        let res: bool = html::has_favicon(&dom.document);
+
+        assert!(res);
+    }
 }

 //  ███████╗ █████╗ ██╗██╗     ██╗███╗   ██╗ ██████╗
@@ -29,29 +36,17 @@ fn passing_http_url_with_backslashes() {
 //  ██║     ██║  ██║██║███████╗██║██║ ╚████║╚██████╔╝
 //  ╚═╝     ╚═╝  ╚═╝╚═╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝

-#[test]
-fn failing_url_with_no_protocol() {
-    assert!(!utils::is_http_url("//kernel.org"));
-}
+#[cfg(test)]
+mod failing {
+    use crate::html;
+    use crate::opts::Options;

-#[test]
-fn failing_dot_slash_filename() {
-    assert!(!utils::is_http_url("./index.html"));
-}
+    #[test]
+    fn absent() {
+        let html = "<div>text</div>";
+        let dom = html::html_to_dom(&html);
+        let res: bool = html::has_favicon(&dom.document);

-#[test]
-fn failing_just_filename() {
-    assert!(!utils::is_http_url("some-local-page.htm"));
-}
-
-#[test]
-fn failing_https_ip_port_url() {
-    assert!(!utils::is_http_url("ftp://1.2.3.4/www/index.html"));
-}
-
-#[test]
-fn failing_data_url() {
-    assert!(!utils::is_http_url(
-        "data:text/html;base64,V2VsY29tZSBUbyBUaGUgUGFydHksIDxiPlBhbDwvYj4h"
-    ));
+        assert!(!res);
+    }
 }
--- a/src/tests/html/has_proper_integrity.rs
+++ b/src/tests/html/has_proper_integrity.rs
@@ -0,0 +1,92 @@
+//  ██████╗  █████╗ ███████╗███████╗██╗███╗   ██╗ ██████╗
+//  ██╔══██╗██╔══██╗██╔════╝██╔════╝██║████╗  ██║██╔════╝
+//  ██████╔╝███████║███████╗███████╗██║██╔██╗ ██║██║  ███╗
+//  ██╔═══╝ ██╔══██║╚════██║╚════██║██║██║╚██╗██║██║   ██║
+//  ██║     ██║  ██║███████║███████║██║██║ ╚████║╚██████╔╝
+//  ╚═╝     ╚═╝  ╚═╝╚══════╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝
+
+#[cfg(test)]
+mod passing {
+    use crate::html;
+
+    #[test]
+    fn empty_input_sha256() {
+        assert!(html::has_proper_integrity(
+            "".as_bytes(),
+            "sha256-47DEQpj8HBSa+/TImW+5JCeuQeRkm5NMpJWZG3hSuFU="
+        ));
+    }
+
+    #[test]
+    fn sha256() {
+        assert!(html::has_proper_integrity(
+            "abcdef0123456789".as_bytes(),
+            "sha256-9EWAHgy4mSYsm54hmDaIDXPKLRsLnBX7lZyQ6xISNOM="
+        ));
+    }
+
+    #[test]
+    fn sha384() {
+        assert!(html::has_proper_integrity(
+            "abcdef0123456789".as_bytes(),
+            "sha384-gc9l7omltke8C33bedgh15E12M7RrAQa5t63Yb8APlpe7ZhiqV23+oqiulSJl3Kw"
+        ));
+    }
+
+    #[test]
+    fn sha512() {
+        assert!(html::has_proper_integrity(
+            "abcdef0123456789".as_bytes(),
+            "sha512-zG5B88cYMqcdiMi9gz0XkOFYw2BpjeYdn5V6+oFrMgSNjRpqL7EF8JEwl17ztZbK3N7I/tTwp3kxQbN1RgFBww=="
+        ));
+    }
+}
+
+//  ███████╗ █████╗ ██╗██╗     ██╗███╗   ██╗ ██████╗
+//  ██╔════╝██╔══██╗██║██║     ██║████╗  ██║██╔════╝
+//  █████╗  ███████║██║██║     ██║██╔██╗ ██║██║  ███╗
+//  ██╔══╝  ██╔══██║██║██║     ██║██║╚██╗██║██║   ██║
+//  ██║     ██║  ██║██║███████╗██║██║ ╚████║╚██████╔╝
+//  ╚═╝     ╚═╝  ╚═╝╚═╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝
+
+#[cfg(test)]
+mod failing {
+    use crate::html;
+
+    #[test]
+    fn empty_hash() {
+        assert!(!html::has_proper_integrity(
+            "abcdef0123456789".as_bytes(),
+            ""
+        ));
+    }
+
+    #[test]
+    fn empty_input_empty_hash() {
+        assert!(!html::has_proper_integrity("".as_bytes(), ""));
+    }
+
+    #[test]
+    fn sha256() {
+        assert!(!html::has_proper_integrity(
+            "abcdef0123456789".as_bytes(),
+            "sha256-badhash"
+        ));
+    }
+
+    #[test]
+    fn sha384() {
+        assert!(!html::has_proper_integrity(
+            "abcdef0123456789".as_bytes(),
+            "sha384-badhash"
+        ));
+    }
+
+    #[test]
+    fn sha512() {
+        assert!(!html::has_proper_integrity(
+            "abcdef0123456789".as_bytes(),
+            "sha512-badhash"
+        ));
+    }
+}
--- a/src/tests/html/is_icon.rs
+++ b/src/tests/html/is_icon.rs
@@ -1,5 +1,3 @@
-use crate::html;
-
 //  ██████╗  █████╗ ███████╗███████╗██╗███╗   ██╗ ██████╗
 //  ██╔══██╗██╔══██╗██╔════╝██╔════╝██║████╗  ██║██╔════╝
 //  ██████╔╝███████║███████╗███████╗██║██╔██╗ ██║██║  ███╗
@@ -7,29 +5,24 @@ use crate::html;
 //  ██║     ██║  ██║███████║███████║██║██║ ╚████║╚██████╔╝
 //  ╚═╝     ╚═╝  ╚═╝╚══════╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝

-#[test]
-fn passing_icon() {
-    assert!(html::is_icon("icon"));
-}
+#[cfg(test)]
+mod passing {
+    use crate::html;

-#[test]
-fn passing_shortcut_icon_capitalized() {
-    assert!(html::is_icon("Shortcut Icon"));
-}
+    #[test]
+    fn icon() {
+        assert!(html::is_icon("icon"));
+    }

-#[test]
-fn passing_icon_uppercase() {
-    assert!(html::is_icon("ICON"));
-}
+    #[test]
+    fn shortcut_icon_capitalized() {
+        assert!(html::is_icon("Shortcut Icon"));
+    }

-#[test]
-fn passing_mask_icon() {
-    assert!(html::is_icon("mask-icon"));
-}
-
-#[test]
-fn passing_fluid_icon() {
-    assert!(html::is_icon("fluid-icon"));
+    #[test]
+    fn icon_uppercase() {
+        assert!(html::is_icon("ICON"));
+    }
 }

 //  ███████╗ █████╗ ██╗██╗     ██╗███╗   ██╗ ██████╗
@@ -39,12 +32,27 @@ fn passing_fluid_icon() {
 //  ██║     ██║  ██║██║███████╗██║██║ ╚████║╚██████╔╝
 //  ╚═╝     ╚═╝  ╚═╝╚═╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝

-#[test]
-fn failing_stylesheet() {
-    assert!(!html::is_icon("stylesheet"));
-}
+#[cfg(test)]
+mod failing {
+    use crate::html;

-#[test]
-fn failing_empty_string() {
-    assert!(!html::is_icon(""));
+    #[test]
+    fn mask_icon() {
+        assert!(!html::is_icon("mask-icon"));
+    }
+
+    #[test]
+    fn fluid_icon() {
+        assert!(!html::is_icon("fluid-icon"));
+    }
+
+    #[test]
+    fn stylesheet() {
+        assert!(!html::is_icon("stylesheet"));
+    }
+
+    #[test]
+    fn empty_string() {
+        assert!(!html::is_icon(""));
+    }
 }
--- a/src/tests/html/metadata_tag.rs
+++ b/src/tests/html/metadata_tag.rs
@@ -0,0 +1,82 @@
+//  ██████╗  █████╗ ███████╗███████╗██╗███╗   ██╗ ██████╗
+//  ██╔══██╗██╔══██╗██╔════╝██╔════╝██║████╗  ██║██╔════╝
+//  ██████╔╝███████║███████╗███████╗██║██╔██╗ ██║██║  ███╗
+//  ██╔═══╝ ██╔══██║╚════██║╚════██║██║██║╚██╗██║██║   ██║
+//  ██║     ██║  ██║███████║███████║██║██║ ╚████║╚██████╔╝
+//  ╚═╝     ╚═╝  ╚═╝╚══════╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝
+
+#[cfg(test)]
+mod passing {
+    use chrono::prelude::*;
+
+    use crate::html;
+
+    #[test]
+    fn http_url() {
+        let url = "http://192.168.1.1/";
+        let timestamp = Utc::now().to_rfc3339_opts(SecondsFormat::Secs, true);
+        let metadata_comment: String = html::metadata_tag(url);
+
+        assert_eq!(
+            metadata_comment,
+            format!(
+                "<!-- Saved from {} at {} using {} v{} -->",
+                &url,
+                timestamp,
+                env!("CARGO_PKG_NAME"),
+                env!("CARGO_PKG_VERSION"),
+            )
+        );
+    }
+
+    #[test]
+    fn file_url() {
+        let url = "file:///home/monolith/index.html";
+        let timestamp = Utc::now().to_rfc3339_opts(SecondsFormat::Secs, true);
+        let metadata_comment: String = html::metadata_tag(url);
+
+        assert_eq!(
+            metadata_comment,
+            format!(
+                "<!-- Saved from local source at {} using {} v{} -->",
+                timestamp,
+                env!("CARGO_PKG_NAME"),
+                env!("CARGO_PKG_VERSION"),
+            )
+        );
+    }
+
+    #[test]
+    fn data_url() {
+        let url = "data:text/html,Hello%2C%20World!";
+        let timestamp = Utc::now().to_rfc3339_opts(SecondsFormat::Secs, true);
+        let metadata_comment: String = html::metadata_tag(url);
+
+        assert_eq!(
+            metadata_comment,
+            format!(
+                "<!-- Saved from local source at {} using {} v{} -->",
+                timestamp,
+                env!("CARGO_PKG_NAME"),
+                env!("CARGO_PKG_VERSION"),
+            )
+        );
+    }
+}
+
+//  ███████╗ █████╗ ██╗██╗     ██╗███╗   ██╗ ██████╗
+//  ██╔════╝██╔══██╗██║██║     ██║████╗  ██║██╔════╝
+//  █████╗  ███████║██║██║     ██║██╔██╗ ██║██║  ███╗
+//  ██╔══╝  ██╔══██║██║██║     ██║██║╚██╗██║██║   ██║
+//  ██║     ██║  ██║██║███████╗██║██║ ╚████║╚██████╔╝
+//  ╚═╝     ╚═╝  ╚═╝╚═╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝
+
+#[cfg(test)]
+mod failing {
+    use crate::html;
+
+    #[test]
+    fn empty_string() {
+        assert_eq!(html::metadata_tag(""), "");
+    }
+}
--- a/src/tests/html/mod.rs
+++ b/src/tests/html/mod.rs
@@ -1,4 +1,10 @@
+mod add_favicon;
+mod csp;
+mod embed_srcset;
 mod get_node_name;
+mod has_favicon;
+mod has_proper_integrity;
 mod is_icon;
+mod metadata_tag;
 mod stringify_document;
 mod walk_and_embed_assets;
--- a/src/tests/html/stringify_document.rs
+++ b/src/tests/html/stringify_document.rs
@@ -1,5 +1,3 @@
-use crate::html;
-
 //  ██████╗  █████╗ ███████╗███████╗██╗███╗   ██╗ ██████╗
 //  ██╔══██╗██╔══██╗██╔════╝██╔════╝██║████╗  ██║██╔════╝
 //  ██████╔╝███████║███████╗███████╗██║██╔██╗ ██║██║  ███╗
@@ -7,182 +5,146 @@ use crate::html;
 //  ██║     ██║  ██║███████║███████║██║██║ ╚████║╚██████╔╝
 //  ╚═╝     ╚═╝  ╚═╝╚══════╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝

-#[test]
-fn passing_div_as_root_element() {
-    let html = "<div><script src=\"some.js\"></script></div>";
-    let dom = html::html_to_dom(&html);
+#[cfg(test)]
+mod passing {
+    use crate::html;
+    use crate::opts::Options;

-    let opt_no_css: bool = false;
-    let opt_no_frames: bool = false;
-    let opt_no_js: bool = false;
-    let opt_no_images: bool = false;
-    let opt_isolate: bool = false;
+    #[test]
+    fn div_as_root_element() {
+        let html = "<div><script src=\"some.js\"></script></div>";
+        let dom = html::html_to_dom(&html);
+        let options = Options::default();

-    assert_eq!(
-        html::stringify_document(
-            &dom.document,
-            opt_no_css,
-            opt_no_frames,
-            opt_no_js,
-            opt_no_images,
-            opt_isolate,
-        ),
-        "<html><head></head><body><div><script src=\"some.js\"></script></div></body></html>"
-    );
-}
+        assert_eq!(
+            html::stringify_document(&dom.document, &options),
+            "<html><head></head><body><div><script src=\"some.js\"></script></div></body></html>"
+        );
+    }

-#[test]
-fn passing_full_page_with_no_html_head_or_body() {
-    let html = "<title>Isolated document</title>\
-                <link rel=\"something\" href=\"some.css\" />\
-                <meta http-equiv=\"Content-Security-Policy\" content=\"default-src https:\">\
-                <div><script src=\"some.js\"></script></div>";
-    let dom = html::html_to_dom(&html);
-
-    let opt_no_css: bool = false;
-    let opt_no_frames: bool = false;
-    let opt_no_js: bool = false;
-    let opt_no_images: bool = false;
-    let opt_isolate: bool = true;
-
-    assert_eq!(
-        html::stringify_document(
-            &dom.document,
-            opt_no_css,
-            opt_no_frames,
-            opt_no_js,
-            opt_no_images,
-            opt_isolate,
-        ),
-        "<html>\
-            <head>\
-                <meta http-equiv=\"Content-Security-Policy\" content=\"default-src 'unsafe-inline' data:;\"></meta>\
-                <title>Isolated document</title>\
-                <link rel=\"something\" href=\"some.css\">\
-                <meta http-equiv=\"Content-Security-Policy\" content=\"default-src https:\">\
-            </head>\
-            <body>\
-                <div>\
-                    <script src=\"some.js\"></script>\
-                </div>\
-            </body>\
-         </html>"
-    );
-}
-
-#[test]
-fn passing_doctype_and_the_rest_no_html_head_or_body() {
-    let html = "<!doctype html>\
-                <title>Unstyled document</title>\
-                <link rel=\"stylesheet\" href=\"main.css\"/>\
-                <div style=\"display: none;\"></div>";
-    let dom = html::html_to_dom(&html);
-
-    let opt_no_css: bool = true;
-    let opt_no_frames: bool = false;
-    let opt_no_js: bool = false;
-    let opt_no_images: bool = false;
-    let opt_isolate: bool = false;
-
-    assert_eq!(
-        html::stringify_document(
-            &dom.document,
-            opt_no_css,
-            opt_no_frames,
-            opt_no_js,
-            opt_no_images,
-            opt_isolate,
-        ),
-        "<!DOCTYPE html>\
-         <html>\
-         <head>\
-         <meta http-equiv=\"Content-Security-Policy\" content=\"style-src 'none';\"></meta>\
-         <title>Unstyled document</title>\
-         <link rel=\"stylesheet\" href=\"main.css\">\
-         </head>\
-         <body><div style=\"display: none;\"></div></body>\
-         </html>"
-    );
-}
-
-#[test]
-fn passing_doctype_and_the_rest_no_html_head_or_body_forbid_frames() {
-    let html = "<!doctype html>\
-                <title>Frameless document</title>\
-                <link rel=\"something\"/>\
-                <div><script src=\"some.js\"></script></div>";
-    let dom = html::html_to_dom(&html);
-
-    let opt_no_css: bool = false;
-    let opt_no_frames: bool = true;
-    let opt_no_js: bool = false;
-    let opt_no_images: bool = false;
-    let opt_isolate: bool = false;
-
-    assert_eq!(
-        html::stringify_document(
-            &dom.document,
-            opt_no_css,
-            opt_no_frames,
-            opt_no_js,
-            opt_no_images,
-            opt_isolate,
-        ),
-        "<!DOCTYPE html>\
-            <html>\
-            <head>\
-            <meta http-equiv=\"Content-Security-Policy\" content=\"frame-src 'none';child-src 'none';\"></meta>\
-            <title>Frameless document</title>\
-            <link rel=\"something\">\
-            </head>\
-            <body><div><script src=\"some.js\"></script></div></body>\
-            </html>"
-    );
-}
-
-#[test]
-fn passing_doctype_and_the_rest_all_forbidden() {
-    let html = "<!doctype html>\
-                <title>no-frame no-css no-js no-image isolated document</title>\
-                <meta http-equiv=\"Content-Security-Policy\" content=\"default-src https:\">\
-                <link rel=\"stylesheet\" href=\"some.css\">\
-                <div>\
-                <script src=\"some.js\"></script>\
-                <img style=\"width: 100%;\" src=\"some.png\" />\
-                <iframe src=\"some.html\"></iframe>\
-                </div>";
-    let dom = html::html_to_dom(&html);
-
-    let opt_isolate: bool = true;
-    let opt_no_css: bool = true;
-    let opt_no_frames: bool = true;
-    let opt_no_js: bool = true;
-    let opt_no_images: bool = true;
-
-    assert_eq!(
-        html::stringify_document(
-            &dom.document,
-            opt_no_css,
-            opt_no_frames,
-            opt_no_js,
-            opt_no_images,
-            opt_isolate,
-        ),
-        "<!DOCTYPE html>\
-            <html>\
-                <head>\
-                    <meta http-equiv=\"Content-Security-Policy\" content=\"default-src 'unsafe-inline' data:; style-src 'none'; frame-src 'none';child-src 'none'; script-src 'none'; img-src data:;\"></meta>\
-                    <title>no-frame no-css no-js no-image isolated document</title>\
+    #[test]
+    fn full_page_with_no_html_head_or_body() {
+        let html = "<title>Isolated document</title>\
+                    <link rel=\"something\" href=\"some.css\" />\
+                    <meta http-equiv=\"Content-Security-Policy\" content=\"default-src https:\">\
+                    <div><script src=\"some.js\"></script></div>";
+        let dom = html::html_to_dom(&html);
+        let mut options = Options::default();
+        options.isolate = true;
+
+        assert_eq!(
+            html::stringify_document(
+                &dom.document,
+                &options
+            ),
+            "<html>\
+                <head>\
+                    <meta http-equiv=\"Content-Security-Policy\" content=\"default-src 'unsafe-inline' data:;\"></meta>\
+                    <title>Isolated document</title>\
+                    <link rel=\"something\" href=\"some.css\">\
                    <meta http-equiv=\"Content-Security-Policy\" content=\"default-src https:\">\
-                    <link rel=\"stylesheet\" href=\"some.css\">\
                </head>\
                <body>\
                    <div>\
                        <script src=\"some.js\"></script>\
-                        <img style=\"width: 100%;\" src=\"some.png\">\
-                        <iframe src=\"some.html\"></iframe>\
                    </div>\
                </body>\
            </html>"
-    );
+        );
+    }
+
+    #[test]
+    fn doctype_and_the_rest_no_html_head_or_body() {
+        let html = "<!doctype html>\
+                    <title>Unstyled document</title>\
+                    <link rel=\"stylesheet\" href=\"main.css\"/>\
+                    <div style=\"display: none;\"></div>";
+        let dom = html::html_to_dom(&html);
+        let mut options = Options::default();
+        options.no_css = true;
+
+        assert_eq!(
+            html::stringify_document(&dom.document, &options),
+            "<!DOCTYPE html>\
+            <html>\
+            <head>\
+            <meta http-equiv=\"Content-Security-Policy\" content=\"style-src 'none';\"></meta>\
+            <title>Unstyled document</title>\
+            <link rel=\"stylesheet\" href=\"main.css\">\
+            </head>\
+            <body><div style=\"display: none;\"></div></body>\
+            </html>"
+        );
+    }
+
+    #[test]
+    fn doctype_and_the_rest_no_html_head_or_body_forbid_frames() {
+        let html = "<!doctype html>\
+                    <title>Frameless document</title>\
+                    <link rel=\"something\"/>\
+                    <div><script src=\"some.js\"></script></div>";
+        let dom = html::html_to_dom(&html);
+        let mut options = Options::default();
+        options.no_frames = true;
+
+        assert_eq!(
+            html::stringify_document(
+                &dom.document,
+                &options
+            ),
+            "<!DOCTYPE html>\
+                <html>\
+                <head>\
+                <meta http-equiv=\"Content-Security-Policy\" content=\"frame-src 'none'; child-src 'none';\"></meta>\
+                <title>Frameless document</title>\
+                <link rel=\"something\">\
+                </head>\
+                <body><div><script src=\"some.js\"></script></div></body>\
+                </html>"
+        );
+    }
+
+    #[test]
+    fn doctype_and_the_rest_all_forbidden() {
+        let html = "<!doctype html>\
+                    <title>no-frame no-css no-js no-image isolated document</title>\
+                    <meta http-equiv=\"Content-Security-Policy\" content=\"default-src https:\">\
+                    <link rel=\"stylesheet\" href=\"some.css\">\
+                    <div>\
+                        <script src=\"some.js\"></script>\
+                        <img style=\"width: 100%;\" src=\"some.png\" />\
+                        <iframe src=\"some.html\"></iframe>\
+                    </div>";
+        let dom = html::html_to_dom(&html);
+        let mut options = Options::default();
+        options.isolate = true;
+        options.no_css = true;
+        options.no_fonts = true;
+        options.no_frames = true;
+        options.no_js = true;
+        options.no_images = true;
+
+        assert_eq!(
+            html::stringify_document(
+                &dom.document,
+                &options
+            ),
+            "<!DOCTYPE html>\
+                <html>\
+                    <head>\
+                        <meta http-equiv=\"Content-Security-Policy\" content=\"default-src 'unsafe-inline' data:; style-src 'none'; font-src 'none'; frame-src 'none'; child-src 'none'; script-src 'none'; img-src data:;\"></meta>\
+                        <title>no-frame no-css no-js no-image isolated document</title>\
+                        <meta http-equiv=\"Content-Security-Policy\" content=\"default-src https:\">\
+                        <link rel=\"stylesheet\" href=\"some.css\">\
+                    </head>\
+                    <body>\
+                        <div>\
+                            <script src=\"some.js\"></script>\
+                            <img style=\"width: 100%;\" src=\"some.png\">\
+                            <iframe src=\"some.html\"></iframe>\
+                        </div>\
+                    </body>\
+                </html>"
+        );
+    }
 }
--- a/src/tests/html/walk_and_embed_assets.rs
+++ b/src/tests/html/walk_and_embed_assets.rs
@@ -1,8 +1,3 @@
-use crate::html;
-use html5ever::serialize::{serialize, SerializeOpts};
-use reqwest::blocking::Client;
-use std::collections::HashMap;
-
 //  ██████╗  █████╗ ███████╗███████╗██╗███╗   ██╗ ██████╗
 //  ██╔══██╗██╔══██╗██╔════╝██╔════╝██║████╗  ██║██╔════╝
 //  ██████╔╝███████║███████╗███████╗██║██╔██╗ ██║██║  ███╗
@@ -10,389 +5,325 @@ use std::collections::HashMap;
 //  ██║     ██║  ██║███████║███████║██║██║ ╚████║╚██████╔╝
 //  ╚═╝     ╚═╝  ╚═╝╚══════╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝

-#[test]
-fn passing_basic() {
-    let cache = &mut HashMap::new();
+#[cfg(test)]
+mod passing {
+    use html5ever::serialize::{serialize, SerializeOpts};
+    use reqwest::blocking::Client;
+    use std::collections::HashMap;

-    let html = "<div><P></P></div>";
-    let dom = html::html_to_dom(&html);
-    let url = "http://localhost";
+    use crate::html;
+    use crate::opts::Options;

-    let opt_no_css: bool = false;
-    let opt_no_frames: bool = false;
-    let opt_no_js: bool = false;
-    let opt_no_images: bool = false;
-    let opt_silent = true;
+    #[test]
+    fn basic() {
+        let cache = &mut HashMap::new();

-    let client = Client::new();
+        let html = "<div><P></P></div>";
+        let dom = html::html_to_dom(&html);
+        let url = "http://localhost";

-    html::walk_and_embed_assets(
-        cache,
-        &client,
-        &url,
-        &dom.document,
-        opt_no_css,
-        opt_no_js,
-        opt_no_images,
-        opt_silent,
-        opt_no_frames,
-    );
+        let mut options = Options::default();
+        options.silent = true;

-    let mut buf: Vec<u8> = Vec::new();
-    serialize(&mut buf, &dom.document, SerializeOpts::default()).unwrap();
+        let client = Client::new();

-    assert_eq!(
-        buf.iter().map(|&c| c as char).collect::<String>(),
-        "<html><head></head><body><div><p></p></div></body></html>"
-    );
-}
-
-#[test]
-fn passing_ensure_no_recursive_iframe() {
-    let html = "<div><P></P><iframe src=\"\"></iframe></div>";
-    let dom = html::html_to_dom(&html);
-    let url = "http://localhost";
-    let cache = &mut HashMap::new();
-
-    let opt_no_css: bool = false;
-    let opt_no_frames: bool = false;
-    let opt_no_js: bool = false;
-    let opt_no_images: bool = false;
-    let opt_silent = true;
-
-    let client = Client::new();
-
-    html::walk_and_embed_assets(
-        cache,
-        &client,
-        &url,
-        &dom.document,
-        opt_no_css,
-        opt_no_js,
-        opt_no_images,
-        opt_silent,
-        opt_no_frames,
-    );
-
-    let mut buf: Vec<u8> = Vec::new();
-    serialize(&mut buf, &dom.document, SerializeOpts::default()).unwrap();
-
-    assert_eq!(
-        buf.iter().map(|&c| c as char).collect::<String>(),
-        "<html><head></head><body><div><p></p><iframe src=\"\"></iframe></div></body></html>"
-    );
-}
-
-#[test]
-fn passing_ensure_no_recursive_frame() {
-    let html = "<frameset><frame src=\"\"></frameset>";
-    let dom = html::html_to_dom(&html);
-    let url = "http://localhost";
-    let cache = &mut HashMap::new();
-
-    let opt_no_css: bool = false;
-    let opt_no_frames: bool = false;
-    let opt_no_js: bool = false;
-    let opt_no_images: bool = false;
-    let opt_silent = true;
-
-    let client = Client::new();
-
-    html::walk_and_embed_assets(
-        cache,
-        &client,
-        &url,
-        &dom.document,
-        opt_no_css,
-        opt_no_js,
-        opt_no_images,
-        opt_silent,
-        opt_no_frames,
-    );
-
-    let mut buf: Vec<u8> = Vec::new();
-    serialize(&mut buf, &dom.document, SerializeOpts::default()).unwrap();
-
-    assert_eq!(
-        buf.iter().map(|&c| c as char).collect::<String>(),
-        "<html><head></head><frameset><frame src=\"\"></frameset></html>"
-    );
-}
-
-#[test]
-fn passing_no_css() {
-    let html = "<link rel=\"stylesheet\" href=\"main.css\">\
-                <style>html{background-color: #000;}</style>\
-                <div style=\"display: none;\"></div>";
-    let dom = html::html_to_dom(&html);
-    let url = "http://localhost";
-    let cache = &mut HashMap::new();
-
-    let opt_no_css: bool = true;
-    let opt_no_frames: bool = false;
-    let opt_no_js: bool = false;
-    let opt_no_images: bool = false;
-    let opt_silent = true;
-    let client = Client::new();
-
-    html::walk_and_embed_assets(
-        cache,
-        &client,
-        &url,
-        &dom.document,
-        opt_no_css,
-        opt_no_js,
-        opt_no_images,
-        opt_silent,
-        opt_no_frames,
-    );
-
-    let mut buf: Vec<u8> = Vec::new();
-    serialize(&mut buf, &dom.document, SerializeOpts::default()).unwrap();
-
-    assert_eq!(
-        buf.iter().map(|&c| c as char).collect::<String>(),
-        "<html>\
-         <head>\
-         <link rel=\"stylesheet\" href=\"\">\
-         <style></style>\
-         </head>\
-         <body>\
-         <div></div>\
-         </body>\
-         </html>"
-    );
-}
-
-#[test]
-fn passing_no_images() {
-    let html = "<link rel=\"icon\" href=\"favicon.ico\">\
-                <div><img src=\"http://localhost/assets/mono_lisa.png\" /></div>";
-    let dom = html::html_to_dom(&html);
-    let url = "http://localhost";
-    let cache = &mut HashMap::new();
-
-    let opt_no_css: bool = false;
-    let opt_no_frames: bool = false;
-    let opt_no_js: bool = false;
-    let opt_no_images: bool = true;
-    let opt_silent = true;
-
-    let client = Client::new();
-
-    html::walk_and_embed_assets(
-        cache,
-        &client,
-        &url,
-        &dom.document,
-        opt_no_css,
-        opt_no_js,
-        opt_no_images,
-        opt_silent,
-        opt_no_frames,
-    );
-
-    let mut buf: Vec<u8> = Vec::new();
-    serialize(&mut buf, &dom.document, SerializeOpts::default()).unwrap();
-
-    assert_eq!(
-        buf.iter().map(|&c| c as char).collect::<String>(),
-        "<html>\
-         <head>\
-         <link rel=\"icon\" href=\"\">\
-         </head>\
-         <body>\
-         <div>\
-         <img src=\"data:image/png;base64,\
-         iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0\
-         lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=\">\
-         </div>\
-         </body>\
-         </html>"
-    );
-}
-
-#[test]
-fn passing_no_body_background_images() {
-    let html = "<body background=\"no/such/image.png\" background=\"no/such/image2.png\"></body>";
-    let dom = html::html_to_dom(&html);
-    let url = "http://localhost";
-    let cache = &mut HashMap::new();
-
-    let opt_no_css: bool = false;
-    let opt_no_frames: bool = false;
-    let opt_no_js: bool = false;
-    let opt_no_images: bool = true;
-    let opt_silent = true;
-
-    let client = Client::new();
-
-    html::walk_and_embed_assets(
-        cache,
-        &client,
-        &url,
-        &dom.document,
-        opt_no_css,
-        opt_no_js,
-        opt_no_images,
-        opt_silent,
-        opt_no_frames,
-    );
-
-    let mut buf: Vec<u8> = Vec::new();
-    serialize(&mut buf, &dom.document, SerializeOpts::default()).unwrap();
-
-    assert_eq!(
-        buf.iter().map(|&c| c as char).collect::<String>(),
-        "<html><head></head><body></body></html>"
-    );
-}
-
-#[test]
-fn passing_no_frames() {
-    let html = "<frameset><frame src=\"http://trackbook.com\"></frameset>";
-    let dom = html::html_to_dom(&html);
-    let url = "http://localhost";
-    let cache = &mut HashMap::new();
-
-    let opt_no_css: bool = false;
-    let opt_no_frames: bool = true;
-    let opt_no_js: bool = false;
-    let opt_no_images: bool = false;
-    let opt_silent = true;
-    let client = Client::new();
-
-    html::walk_and_embed_assets(
-        cache,
-        &client,
-        &url,
-        &dom.document,
-        opt_no_css,
-        opt_no_js,
-        opt_no_images,
-        opt_silent,
-        opt_no_frames,
-    );
-
-    let mut buf: Vec<u8> = Vec::new();
-    serialize(&mut buf, &dom.document, SerializeOpts::default()).unwrap();
-
-    assert_eq!(
-        buf.iter().map(|&c| c as char).collect::<String>(),
-        "<html><head></head><frameset><frame src=\"\"></frameset></html>"
-    );
-}
-
-#[test]
-fn passing_no_iframes() {
-    let html = "<iframe src=\"http://trackbook.com\"></iframe>";
-    let dom = html::html_to_dom(&html);
-    let url = "http://localhost";
-    let cache = &mut HashMap::new();
-
-    let opt_no_css: bool = false;
-    let opt_no_frames: bool = true;
-    let opt_no_js: bool = false;
-    let opt_no_images: bool = false;
-    let opt_silent = true;
-    let client = Client::new();
-
-    html::walk_and_embed_assets(
-        cache,
-        &client,
-        &url,
-        &dom.document,
-        opt_no_css,
-        opt_no_js,
-        opt_no_images,
-        opt_silent,
-        opt_no_frames,
-    );
-
-    let mut buf: Vec<u8> = Vec::new();
-    serialize(&mut buf, &dom.document, SerializeOpts::default()).unwrap();
-
-    assert_eq!(
-        buf.iter().map(|&c| c as char).collect::<String>(),
-        "<html><head></head><body><iframe src=\"\"></iframe></body></html>"
-    );
-}
-
-#[test]
-fn passing_no_js() {
-    let html = "<div onClick=\"void(0)\">\
-                <script src=\"http://localhost/assets/some.js\"></script>\
-                <script>alert(1)</script>\
-                </div>";
-    let dom = html::html_to_dom(&html);
-    let url = "http://localhost";
-    let cache = &mut HashMap::new();
-
-    let opt_no_css: bool = false;
-    let opt_no_frames: bool = false;
-    let opt_no_js: bool = true;
-    let opt_no_images: bool = false;
-    let opt_silent = true;
-
-    let client = Client::new();
-
-    html::walk_and_embed_assets(
-        cache,
-        &client,
-        &url,
-        &dom.document,
-        opt_no_css,
-        opt_no_js,
-        opt_no_images,
-        opt_silent,
-        opt_no_frames,
-    );
-
-    let mut buf: Vec<u8> = Vec::new();
-    serialize(&mut buf, &dom.document, SerializeOpts::default()).unwrap();
-
-    assert_eq!(
-        buf.iter().map(|&c| c as char).collect::<String>(),
-        "<html><head></head><body><div><script src=\"\"></script>\
-         <script></script></div></body></html>"
-    );
-}
-
-#[test]
-fn passing_with_no_integrity() {
-    let html = "<title>No integrity</title>\
-                <link integrity=\"sha384-...\" rel=\"something\"/>\
-                <script integrity=\"sha384-...\" src=\"some.js\"></script>";
-    let dom = html::html_to_dom(&html);
-    let url = "http://localhost";
-    let cache = &mut HashMap::new();
-    let client = Client::new();
-    let opt_no_css: bool = true;
-    let opt_no_frames: bool = true;
-    let opt_no_js: bool = true;
-    let opt_no_images: bool = true;
-    let opt_silent = true;
-
-    html::walk_and_embed_assets(
-        cache,
-        &client,
-        &url,
-        &dom.document,
-        opt_no_css,
-        opt_no_js,
-        opt_no_images,
-        opt_silent,
-        opt_no_frames,
-    );
-
-    let mut buf: Vec<u8> = Vec::new();
-    serialize(&mut buf, &dom.document, SerializeOpts::default()).unwrap();
-
-    assert_eq!(
-        buf.iter().map(|&c| c as char).collect::<String>(),
-        "<html>\
-         <head><title>No integrity</title><link rel=\"something\"><script src=\"\"></script></head>\
-         <body></body>\
-         </html>"
-    );
+        html::walk_and_embed_assets(cache, &client, &url, &dom.document, &options, 0);
+
+        let mut buf: Vec<u8> = Vec::new();
+        serialize(&mut buf, &dom.document, SerializeOpts::default()).unwrap();
+
+        assert_eq!(
+            buf.iter().map(|&c| c as char).collect::<String>(),
+            "<html><head></head><body><div><p></p></div></body></html>"
+        );
+    }
+
+    #[test]
+    fn ensure_no_recursive_iframe() {
+        let html = "<div><P></P><iframe src=\"\"></iframe></div>";
+        let dom = html::html_to_dom(&html);
+        let url = "http://localhost";
+        let cache = &mut HashMap::new();
+
+        let mut options = Options::default();
+        options.silent = true;
+
+        let client = Client::new();
+
+        html::walk_and_embed_assets(cache, &client, &url, &dom.document, &options, 0);
+
+        let mut buf: Vec<u8> = Vec::new();
+        serialize(&mut buf, &dom.document, SerializeOpts::default()).unwrap();
+
+        assert_eq!(
+            buf.iter().map(|&c| c as char).collect::<String>(),
+            "<html><head></head><body><div><p></p><iframe src=\"\"></iframe></div></body></html>"
+        );
+    }
+
+    #[test]
+    fn ensure_no_recursive_frame() {
+        let html = "<frameset><frame src=\"\"></frameset>";
+        let dom = html::html_to_dom(&html);
+        let url = "http://localhost";
+        let cache = &mut HashMap::new();
+
+        let mut options = Options::default();
+        options.silent = true;
+
+        let client = Client::new();
+
+        html::walk_and_embed_assets(cache, &client, &url, &dom.document, &options, 0);
+
+        let mut buf: Vec<u8> = Vec::new();
+        serialize(&mut buf, &dom.document, SerializeOpts::default()).unwrap();
+
+        assert_eq!(
+            buf.iter().map(|&c| c as char).collect::<String>(),
+            "<html><head></head><frameset><frame src=\"\"></frameset></html>"
+        );
+    }
+
+    #[test]
+    fn no_css() {
+        let html = "<link rel=\"stylesheet\" href=\"main.css\">\
+                    <style>html{background-color: #000;}</style>\
+                    <div style=\"display: none;\"></div>";
+        let dom = html::html_to_dom(&html);
+        let url = "http://localhost";
+        let cache = &mut HashMap::new();
+
+        let mut options = Options::default();
+        options.no_css = true;
+        options.silent = true;
+
+        let client = Client::new();
+
+        html::walk_and_embed_assets(cache, &client, &url, &dom.document, &options, 0);
+
+        let mut buf: Vec<u8> = Vec::new();
+        serialize(&mut buf, &dom.document, SerializeOpts::default()).unwrap();
+
+        assert_eq!(
+            buf.iter().map(|&c| c as char).collect::<String>(),
+            "<html>\
+            <head>\
+            <link rel=\"stylesheet\">\
+            <style></style>\
+            </head>\
+            <body>\
+            <div></div>\
+            </body>\
+            </html>"
+        );
+    }
+
+    #[test]
+    fn no_images() {
+        let html = "<link rel=\"icon\" href=\"favicon.ico\">\
+                    <div><img src=\"http://localhost/assets/mono_lisa.png\" /></div>";
+        let dom = html::html_to_dom(&html);
+        let url = "http://localhost";
+        let cache = &mut HashMap::new();
+
+        let mut options = Options::default();
+        options.no_images = true;
+        options.silent = true;
+
+        let client = Client::new();
+
+        html::walk_and_embed_assets(cache, &client, &url, &dom.document, &options, 0);
+
+        let mut buf: Vec<u8> = Vec::new();
+        serialize(&mut buf, &dom.document, SerializeOpts::default()).unwrap();
+
+        assert_eq!(
+            buf.iter().map(|&c| c as char).collect::<String>(),
+            format!(
+                "<html>\
+                    <head>\
+                        <link rel=\"icon\">\
+                    </head>\
+                    <body>\
+                        <div>\
+                            <img src=\"{empty_image}\">\
+                        </div>\
+                    </body>\
+                </html>",
+                empty_image = empty_image!()
+            )
+        );
+    }
+
+    #[test]
+    fn no_body_background_images() {
+        let html =
+            "<body background=\"no/such/image.png\" background=\"no/such/image2.png\"></body>";
+        let dom = html::html_to_dom(&html);
+        let url = "http://localhost";
+        let cache = &mut HashMap::new();
+
+        let mut options = Options::default();
+        options.no_images = true;
+        options.silent = true;
+
+        let client = Client::new();
+
+        html::walk_and_embed_assets(cache, &client, &url, &dom.document, &options, 0);
+
+        let mut buf: Vec<u8> = Vec::new();
+        serialize(&mut buf, &dom.document, SerializeOpts::default()).unwrap();
+
+        assert_eq!(
+            buf.iter().map(|&c| c as char).collect::<String>(),
+            "<html><head></head><body></body></html>"
+        );
+    }
+
+    #[test]
+    fn no_frames() {
+        let html = "<frameset><frame src=\"http://trackbook.com\"></frameset>";
+        let dom = html::html_to_dom(&html);
+        let url = "http://localhost";
+        let cache = &mut HashMap::new();
+
+        let mut options = Options::default();
+        options.no_frames = true;
+        options.silent = true;
+
+        let client = Client::new();
+
+        html::walk_and_embed_assets(cache, &client, &url, &dom.document, &options, 0);
+
+        let mut buf: Vec<u8> = Vec::new();
+        serialize(&mut buf, &dom.document, SerializeOpts::default()).unwrap();
+
+        assert_eq!(
+            buf.iter().map(|&c| c as char).collect::<String>(),
+            "<html><head></head><frameset><frame src=\"\"></frameset></html>"
+        );
+    }
+
+    #[test]
+    fn no_iframes() {
+        let html = "<iframe src=\"http://trackbook.com\"></iframe>";
+        let dom = html::html_to_dom(&html);
+        let url = "http://localhost";
+        let cache = &mut HashMap::new();
+
+        let mut options = Options::default();
+        options.no_frames = true;
+        options.silent = true;
+
+        let client = Client::new();
+
+        html::walk_and_embed_assets(cache, &client, &url, &dom.document, &options, 0);
+
+        let mut buf: Vec<u8> = Vec::new();
+        serialize(&mut buf, &dom.document, SerializeOpts::default()).unwrap();
+
+        assert_eq!(
+            buf.iter().map(|&c| c as char).collect::<String>(),
+            "<html><head></head><body><iframe src=\"\"></iframe></body></html>"
+        );
+    }
+
+    #[test]
+    fn no_js() {
+        let html = "<div onClick=\"void(0)\">\
+                        <script src=\"http://localhost/assets/some.js\"></script>\
+                        <script>alert(1)</script>\
+                    </div>";
+        let dom = html::html_to_dom(&html);
+        let url = "http://localhost";
+        let cache = &mut HashMap::new();
+
+        let mut options = Options::default();
+        options.no_js = true;
+        options.silent = true;
+
+        let client = Client::new();
+
+        html::walk_and_embed_assets(cache, &client, &url, &dom.document, &options, 0);
+
+        let mut buf: Vec<u8> = Vec::new();
+        serialize(&mut buf, &dom.document, SerializeOpts::default()).unwrap();
+
+        assert_eq!(
+            buf.iter().map(|&c| c as char).collect::<String>(),
+            "<html><head></head><body><div><script></script>\
+            <script></script></div></body></html>"
+        );
+    }
+
+    #[test]
+    fn discards_integrity() {
+        let html = "<title>No integrity</title>\
+                    <link integrity=\"sha384-...\" rel=\"something\"/>\
+                    <script integrity=\"sha384-...\" src=\"some.js\"></script>";
+        let dom = html::html_to_dom(&html);
+        let url = "http://localhost";
+        let cache = &mut HashMap::new();
+
+        let mut options = Options::default();
+        options.no_css = true;
+        options.no_frames = true;
+        options.no_js = true;
+        options.no_images = true;
+        options.silent = true;
+
+        let client = Client::new();
+
+        html::walk_and_embed_assets(cache, &client, &url, &dom.document, &options, 0);
+
+        let mut buf: Vec<u8> = Vec::new();
+        serialize(&mut buf, &dom.document, SerializeOpts::default()).unwrap();
+
+        assert_eq!(
+            buf.iter().map(|&c| c as char).collect::<String>(),
+            "<html>\
+                <head><title>No integrity</title><link rel=\"something\"><script></script></head>\
+                <body></body>\
+            </html>"
+        );
+    }
+
+    #[test]
+    fn removes_unwanted_meta_tags() {
+        let html = "<html>\
+            <head>\
+                <meta http-equiv=\"Refresh\" value=\"20\"/>\
+                <meta http-equiv=\"Location\" value=\"https://freebsd.org\"/>\
+            </head>\
+            <body></body>\
+        </html>";
+        let dom = html::html_to_dom(&html);
+        let url = "http://localhost";
+        let cache = &mut HashMap::new();
+
+        let mut options = Options::default();
+        options.no_css = true;
+        options.no_frames = true;
+        options.no_js = true;
+        options.no_images = true;
+        options.silent = true;
+
+        let client = Client::new();
+
+        html::walk_and_embed_assets(cache, &client, &url, &dom.document, &options, 0);
+
+        let mut buf: Vec<u8> = Vec::new();
+        serialize(&mut buf, &dom.document, SerializeOpts::default()).unwrap();
+
+        assert_eq!(
+            buf.iter().map(|&c| c as char).collect::<String>(),
+            "<html>\
+                <head>\
+                    <meta>\
+                    <meta>\
+                </head>\
+                <body></body>\
+            </html>"
+        );
+    }
 }
--- a/src/tests/js/attr_is_event_handler.rs
+++ b/src/tests/js/attr_is_event_handler.rs
@@ -1,5 +1,3 @@
-use crate::js;
-
 //  ██████╗  █████╗ ███████╗███████╗██╗███╗   ██╗ ██████╗
 //  ██╔══██╗██╔══██╗██╔════╝██╔════╝██║████╗  ██║██╔════╝
 //  ██████╔╝███████║███████╗███████╗██║██╔██╗ ██║██║  ███╗
@@ -7,19 +5,24 @@ use crate::js;
 //  ██║     ██║  ██║███████║███████║██║██║ ╚████║╚██████╔╝
 //  ╚═╝     ╚═╝  ╚═╝╚══════╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝

-#[test]
-fn passing_onblur_camelcase() {
-    assert!(js::attr_is_event_handler("onBlur"));
-}
+#[cfg(test)]
+mod passing {
+    use crate::js;

-#[test]
-fn passing_onclick_lowercase() {
-    assert!(js::attr_is_event_handler("onclick"));
-}
+    #[test]
+    fn onblur_camelcase() {
+        assert!(js::attr_is_event_handler("onBlur"));
+    }

-#[test]
-fn passing_onclick_camelcase() {
-    assert!(js::attr_is_event_handler("onClick"));
+    #[test]
+    fn onclick_lowercase() {
+        assert!(js::attr_is_event_handler("onclick"));
+    }
+
+    #[test]
+    fn onclick_camelcase() {
+        assert!(js::attr_is_event_handler("onClick"));
+    }
 }

 //  ███████╗ █████╗ ██╗██╗     ██╗███╗   ██╗ ██████╗
@@ -29,17 +32,22 @@ fn passing_onclick_camelcase() {
 //  ██║     ██║  ██║██║███████╗██║██║ ╚████║╚██████╔╝
 //  ╚═╝     ╚═╝  ╚═╝╚═╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝

-#[test]
-fn failing_href() {
-    assert!(!js::attr_is_event_handler("href"));
-}
+#[cfg(test)]
+mod failing {
+    use crate::js;

-#[test]
-fn failing_empty_string() {
-    assert!(!js::attr_is_event_handler(""));
-}
+    #[test]
+    fn href() {
+        assert!(!js::attr_is_event_handler("href"));
+    }

-#[test]
-fn failing_class() {
-    assert!(!js::attr_is_event_handler("class"));
+    #[test]
+    fn empty_string() {
+        assert!(!js::attr_is_event_handler(""));
+    }
+
+    #[test]
+    fn class() {
+        assert!(!js::attr_is_event_handler("class"));
+    }
 }
--- a/src/tests/macros/empty_image.rs
+++ b/src/tests/macros/empty_image.rs
@@ -1,5 +1,3 @@
-use crate::utils;
-
 //  ██████╗  █████╗ ███████╗███████╗██╗███╗   ██╗ ██████╗
 //  ██╔══██╗██╔══██╗██╔════╝██╔════╝██║████╗  ██║██╔════╝
 //  ██████╔╝███████║███████╗███████╗██║██╔██╗ ██║██║  ███╗
@@ -7,26 +5,10 @@ use crate::utils;
 //  ██║     ██║  ██║███████║███████║██║██║ ╚████║╚██████╔╝
 //  ╚═╝     ╚═╝  ╚═╝╚══════╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝

-#[test]
-fn passing_removes_fragment() {
-    assert_eq!(
-        utils::clean_url("https://somewhere.com/font.eot#iefix"),
-        "https://somewhere.com/font.eot"
-    );
-}
-
-#[test]
-fn passing_removes_empty_fragment() {
-    assert_eq!(
-        utils::clean_url("https://somewhere.com/font.eot#"),
-        "https://somewhere.com/font.eot"
-    );
-}
-
-#[test]
-fn passing_removes_empty_query_and_empty_fragment() {
-    assert_eq!(
-        utils::clean_url("https://somewhere.com/font.eot?#"),
-        "https://somewhere.com/font.eot"
-    );
+#[cfg(test)]
+mod passing {
+    #[test]
+    fn contains_correct_image_data() {
+        assert_eq!(empty_image!(), "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA0AAAANCAQAAADY4iz3AAAAEUlEQVR42mNkwAkYR6UolgIACvgADsuK6xYAAAAASUVORK5CYII=");
+    }
 }
--- a/src/tests/macros/mod.rs
+++ b/src/tests/macros/mod.rs
@@ -0,0 +1,2 @@
+mod empty_image;
+mod str;
--- a/src/tests/utils/get_url_fragment.rs
+++ b/src/tests/utils/get_url_fragment.rs
@@ -1,5 +1,3 @@
-use crate::utils;
-
 //  ██████╗  █████╗ ███████╗███████╗██╗███╗   ██╗ ██████╗
 //  ██╔══██╗██╔══██╗██╔════╝██╔════╝██║████╗  ██║██╔════╝
 //  ██████╔╝███████║███████╗███████╗██║██╔██╗ ██║██║  ███╗
@@ -7,17 +5,20 @@ use crate::utils;
 //  ██║     ██║  ██║███████║███████║██║██║ ╚████║╚██████╔╝
 //  ╚═╝     ╚═╝  ╚═╝╚══════╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝

-#[test]
-fn passing_data_url() {
-    assert_eq!(
-        utils::get_url_fragment(
-            "data:image/svg+xml;base64,V2VsY29tZSBUbyBUaGUgUGFydHksIDxiPlBhbDwvYj4h#test"
-        ),
-        "test"
-    );
-}
+#[cfg(test)]
+mod passing {
+    #[test]
+    fn returns_empty_string() {
+        assert_eq!(str!(), "");
+    }

-#[test]
-fn passing_https_empty() {
-    assert_eq!(utils::get_url_fragment("https://kernel.org#"), "");
+    #[test]
+    fn converts_integer_into_string() {
+        assert_eq!(str!(123), "123");
+    }
+
+    #[test]
+    fn converts_str_into_string() {
+        assert_eq!(str!("abc"), "abc");
+    }
 }
--- a/src/tests/mod.rs
+++ b/src/tests/mod.rs
@@ -2,4 +2,6 @@ mod cli;
 mod css;
 mod html;
 mod js;
+mod macros;
+mod opts;
 mod utils;
--- a/src/tests/opts.rs
+++ b/src/tests/opts.rs
@@ -0,0 +1,30 @@
+//  ██████╗  █████╗ ███████╗███████╗██╗███╗   ██╗ ██████╗
+//  ██╔══██╗██╔══██╗██╔════╝██╔════╝██║████╗  ██║██╔════╝
+//  ██████╔╝███████║███████╗███████╗██║██╔██╗ ██║██║  ███╗
+//  ██╔═══╝ ██╔══██║╚════██║╚════██║██║██║╚██╗██║██║   ██║
+//  ██║     ██║  ██║███████║███████║██║██║ ╚████║╚██████╔╝
+//  ╚═╝     ╚═╝  ╚═╝╚══════╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝
+
+#[cfg(test)]
+mod passing {
+    use crate::opts::Options;
+
+    #[test]
+    fn defaults() {
+        let options: Options = Options::default();
+
+        assert_eq!(options.target, str!());
+        assert_eq!(options.no_css, false);
+        assert_eq!(options.no_frames, false);
+        assert_eq!(options.no_fonts, false);
+        assert_eq!(options.no_images, false);
+        assert_eq!(options.isolate, false);
+        assert_eq!(options.no_js, false);
+        assert_eq!(options.insecure, false);
+        assert_eq!(options.no_metadata, false);
+        assert_eq!(options.output, str!());
+        assert_eq!(options.silent, false);
+        assert_eq!(options.timeout, 0);
+        assert_eq!(options.user_agent, "");
+    }
+}
--- a/src/tests/url/clean_url.rs
+++ b/src/tests/url/clean_url.rs
@@ -0,0 +1,51 @@
+//  ██████╗  █████╗ ███████╗███████╗██╗███╗   ██╗ ██████╗
+//  ██╔══██╗██╔══██╗██╔════╝██╔════╝██║████╗  ██║██╔════╝
+//  ██████╔╝███████║███████╗███████╗██║██╔██╗ ██║██║  ███╗
+//  ██╔═══╝ ██╔══██║╚════██║╚════██║██║██║╚██╗██║██║   ██║
+//  ██║     ██║  ██║███████║███████║██║██║ ╚████║╚██████╔╝
+//  ╚═╝     ╚═╝  ╚═╝╚══════╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝
+
+#[cfg(test)]
+mod passing {
+    use crate::url;
+
+    #[test]
+    fn removes_fragment() {
+        assert_eq!(
+            url::clean_url("https://somewhere.com/font.eot#iefix"),
+            "https://somewhere.com/font.eot"
+        );
+    }
+
+    #[test]
+    fn removes_empty_fragment() {
+        assert_eq!(
+            url::clean_url("https://somewhere.com/font.eot#"),
+            "https://somewhere.com/font.eot"
+        );
+    }
+
+    #[test]
+    fn removes_empty_query_and_empty_fragment() {
+        assert_eq!(
+            url::clean_url("https://somewhere.com/font.eot?#"),
+            "https://somewhere.com/font.eot"
+        );
+    }
+
+    #[test]
+    fn removes_empty_query_amp_and_empty_fragment() {
+        assert_eq!(
+            url::clean_url("https://somewhere.com/font.eot?a=b&#"),
+            "https://somewhere.com/font.eot?a=b"
+        );
+    }
+
+    #[test]
+    fn keeps_credentials() {
+        assert_eq!(
+            url::clean_url("https://cookie:monster@gibson.internet/"),
+            "https://cookie:monster@gibson.internet/"
+        );
+    }
+}
--- a/src/tests/url/data_to_data_url.rs
+++ b/src/tests/url/data_to_data_url.rs
@@ -0,0 +1,31 @@
+//  ██████╗  █████╗ ███████╗███████╗██╗███╗   ██╗ ██████╗
+//  ██╔══██╗██╔══██╗██╔════╝██╔════╝██║████╗  ██║██╔════╝
+//  ██████╔╝███████║███████╗███████╗██║██╔██╗ ██║██║  ███╗
+//  ██╔═══╝ ██╔══██║╚════██║╚════██║██║██║╚██╗██║██║   ██║
+//  ██║     ██║  ██║███████║███████║██║██║ ╚████║╚██████╔╝
+//  ╚═╝     ╚═╝  ╚═╝╚══════╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝
+
+#[cfg(test)]
+mod passing {
+    use crate::url;
+
+    #[test]
+    fn encode_string_with_specific_media_type() {
+        let mime = "application/javascript";
+        let data = "var word = 'hello';\nalert(word);\n";
+        let data_url = url::data_to_data_url(mime, data.as_bytes(), "");
+
+        assert_eq!(
+            &data_url,
+            "data:application/javascript;base64,dmFyIHdvcmQgPSAnaGVsbG8nOwphbGVydCh3b3JkKTsK"
+        );
+    }
+
+    #[test]
+    fn encode_append_fragment() {
+        let data = "<svg></svg>\n";
+        let data_url = url::data_to_data_url("image/svg+xml", data.as_bytes(), "");
+
+        assert_eq!(&data_url, "data:image/svg+xml;base64,PHN2Zz48L3N2Zz4K");
+    }
+}
--- a/src/tests/url/data_url_to_data.rs
+++ b/src/tests/url/data_url_to_data.rs
@@ -0,0 +1,104 @@
+//  ██████╗  █████╗ ███████╗███████╗██╗███╗   ██╗ ██████╗
+//  ██╔══██╗██╔══██╗██╔════╝██╔════╝██║████╗  ██║██╔════╝
+//  ██████╔╝███████║███████╗███████╗██║██╔██╗ ██║██║  ███╗
+//  ██╔═══╝ ██╔══██║╚════██║╚════██║██║██║╚██╗██║██║   ██║
+//  ██║     ██║  ██║███████║███████║██║██║ ╚████║╚██████╔╝
+//  ╚═╝     ╚═╝  ╚═╝╚══════╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝
+
+#[cfg(test)]
+mod passing {
+    use crate::url;
+
+    #[test]
+    fn parse_text_html_base64() {
+        let (media_type, data) = url::data_url_to_data("data:text/html;base64,V29yayBleHBhbmRzIHNvIGFzIHRvIGZpbGwgdGhlIHRpbWUgYXZhaWxhYmxlIGZvciBpdHMgY29tcGxldGlvbg==");
+
+        assert_eq!(media_type, "text/html");
+        assert_eq!(
+            String::from_utf8_lossy(&data),
+            "Work expands so as to fill the time available for its completion"
+        );
+    }
+
+    #[test]
+    fn parse_text_html_utf8() {
+        let (media_type, data) = url::data_url_to_data(
+            "data:text/html;utf8,Work expands so as to fill the time available for its completion",
+        );
+
+        assert_eq!(media_type, "text/html");
+        assert_eq!(
+            String::from_utf8_lossy(&data),
+            "Work expands so as to fill the time available for its completion"
+        );
+    }
+
+    #[test]
+    fn parse_text_html_plaintext() {
+        let (media_type, data) = url::data_url_to_data(
+            "data:text/html,Work expands so as to fill the time available for its completion",
+        );
+
+        assert_eq!(media_type, "text/html");
+        assert_eq!(
+            String::from_utf8_lossy(&data),
+            "Work expands so as to fill the time available for its completion"
+        );
+    }
+
+    #[test]
+    fn parse_text_html_charset_utf_8_between_two_whitespaces() {
+        let (media_type, data) = url::data_url_to_data(" data:text/html;charset=utf-8,Work expands so as to fill the time available for its completion ");
+
+        assert_eq!(media_type, "text/html");
+        assert_eq!(
+            String::from_utf8_lossy(&data),
+            "Work expands so as to fill the time available for its completion"
+        );
+    }
+
+    #[test]
+    fn parse_text_css_url_encoded() {
+        let (media_type, data) =
+            url::data_url_to_data("data:text/css,div{background-color:%23000}");
+
+        assert_eq!(media_type, "text/css");
+        assert_eq!(String::from_utf8_lossy(&data), "div{background-color:#000}");
+    }
+
+    #[test]
+    fn parse_no_media_type_base64() {
+        let (media_type, data) = url::data_url_to_data("data:;base64,dGVzdA==");
+
+        assert_eq!(media_type, "");
+        assert_eq!(String::from_utf8_lossy(&data), "test");
+    }
+
+    #[test]
+    fn parse_no_media_type_no_encoding() {
+        let (media_type, data) = url::data_url_to_data("data:;,test%20test");
+
+        assert_eq!(media_type, "");
+        assert_eq!(String::from_utf8_lossy(&data), "test test");
+    }
+}
+
+//  ███████╗ █████╗ ██╗██╗     ██╗███╗   ██╗ ██████╗
+//  ██╔════╝██╔══██╗██║██║     ██║████╗  ██║██╔════╝
+//  █████╗  ███████║██║██║     ██║██╔██╗ ██║██║  ███╗
+//  ██╔══╝  ██╔══██║██║██║     ██║██║╚██╗██║██║   ██║
+//  ██║     ██║  ██║██║███████╗██║██║ ╚████║╚██████╔╝
+//  ╚═╝     ╚═╝  ╚═╝╚═╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝
+
+#[cfg(test)]
+mod failing {
+    use crate::url;
+
+    #[test]
+    fn just_word_data() {
+        let (media_type, data) = url::data_url_to_data("data");
+
+        assert_eq!(media_type, "");
+        assert_eq!(String::from_utf8_lossy(&data), "");
+    }
+}
--- a/src/tests/url/decode_url.rs
+++ b/src/tests/url/decode_url.rs
@@ -0,0 +1,39 @@
+//  ██████╗  █████╗ ███████╗███████╗██╗███╗   ██╗ ██████╗
+//  ██╔══██╗██╔══██╗██╔════╝██╔════╝██║████╗  ██║██╔════╝
+//  ██████╔╝███████║███████╗███████╗██║██╔██╗ ██║██║  ███╗
+//  ██╔═══╝ ██╔══██║╚════██║╚════██║██║██║╚██╗██║██║   ██║
+//  ██║     ██║  ██║███████║███████║██║██║ ╚████║╚██████╔╝
+//  ╚═╝     ╚═╝  ╚═╝╚══════╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝
+
+#[cfg(test)]
+mod passing {
+    use crate::url;
+
+    #[test]
+    fn decode_unicode_characters() {
+        assert_eq!(
+            url::decode_url(str!(
+                "%E6%A4%9C%E3%83%92%E3%83%A0%E8%A7%A3%E5%A1%97%E3%82%83%E3%83%83%20%3D%20%E3%82%B5"
+            )),
+            "検ヒム解塗ゃッ = サ"
+        );
+    }
+
+    #[test]
+    fn decode_file_url() {
+        assert_eq!(
+            url::decode_url(str!("file:///tmp/space%20here/test%231.html")),
+            "file:///tmp/space here/test#1.html"
+        );
+    }
+
+    #[test]
+    fn plus_sign() {
+        assert_eq!(
+            url::decode_url(str!(
+                "fonts.somewhere.com/css?family=Open+Sans:300,400,400italic,600,600italic"
+            )),
+            "fonts.somewhere.com/css?family=Open+Sans:300,400,400italic,600,600italic"
+        );
+    }
+}
--- a/src/tests/url/file_url_to_fs_path.rs
+++ b/src/tests/url/file_url_to_fs_path.rs
@@ -0,0 +1,41 @@
+//  ██████╗  █████╗ ███████╗███████╗██╗███╗   ██╗ ██████╗
+//  ██╔══██╗██╔══██╗██╔════╝██╔════╝██║████╗  ██║██╔════╝
+//  ██████╔╝███████║███████╗███████╗██║██╔██╗ ██║██║  ███╗
+//  ██╔═══╝ ██╔══██║╚════██║╚════██║██║██║╚██╗██║██║   ██║
+//  ██║     ██║  ██║███████║███████║██║██║ ╚████║╚██████╔╝
+//  ╚═╝     ╚═╝  ╚═╝╚══════╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝
+
+#[cfg(test)]
+mod passing {
+    use crate::url;
+
+    #[test]
+    fn remove_protocl_and_fragment() {
+        if cfg!(windows) {
+            assert_eq!(
+                url::file_url_to_fs_path("file:///C:/documents/some-path/some-file.svg#fragment"),
+                "C:\\documents\\some-path\\some-file.svg"
+            );
+        } else {
+            assert_eq!(
+                url::file_url_to_fs_path("file:///tmp/some-path/some-file.svg#fragment"),
+                "/tmp/some-path/some-file.svg"
+            );
+        }
+    }
+
+    #[test]
+    fn decodes_urls() {
+        if cfg!(windows) {
+            assert_eq!(
+                url::file_url_to_fs_path("file:///C:/Documents%20and%20Settings/some-file.html"),
+                "C:\\Documents and Settings\\some-file.html"
+            );
+        } else {
+            assert_eq!(
+                url::file_url_to_fs_path("file:///home/user/My%20Documents"),
+                "/home/user/My Documents"
+            );
+        }
+    }
+}
--- a/src/tests/utils/file_url_to_fs_path.rs
+++ b/src/tests/utils/file_url_to_fs_path.rs
@@ -1,5 +1,3 @@
-use crate::utils;
-
 //  ██████╗  █████╗ ███████╗███████╗██╗███╗   ██╗ ██████╗
 //  ██╔══██╗██╔══██╗██╔════╝██╔════╝██║████╗  ██║██╔════╝
 //  ██████╔╝███████║███████╗███████╗██║██╔██╗ ██║██║  ███╗
@@ -7,17 +5,22 @@ use crate::utils;
 //  ██║     ██║  ██║███████║███████║██║██║ ╚████║╚██████╔╝
 //  ╚═╝     ╚═╝  ╚═╝╚══════╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝

-#[test]
-fn passing_remove_protocl_and_fragment() {
-    if cfg!(windows) {
+#[cfg(test)]
+mod passing {
+    use crate::url;
+
+    #[test]
+    fn data_url() {
        assert_eq!(
-            utils::file_url_to_fs_path("file:///C:/documents/some-path/some-file.svg#fragment"),
-            "C:\\documents\\some-path\\some-file.svg"
-        );
-    } else {
-        assert_eq!(
-            utils::file_url_to_fs_path("file:///tmp/some-path/some-file.svg#fragment"),
-            "/tmp/some-path/some-file.svg"
+            url::get_url_fragment(
+                "data:image/svg+xml;base64,V2VsY29tZSBUbyBUaGUgUGFydHksIDxiPlBhbDwvYj4h#test"
+            ),
+            "test"
        );
    }
+
+    #[test]
+    fn https_empty() {
+        assert_eq!(url::get_url_fragment("https://kernel.org#"), "");
+    }
 }
--- a/src/tests/utils/is_data_url.rs
+++ b/src/tests/utils/is_data_url.rs
@@ -1,5 +1,3 @@
-use crate::utils;
-
 //  ██████╗  █████╗ ███████╗███████╗██╗███╗   ██╗ ██████╗
 //  ██╔══██╗██╔══██╗██╔════╝██╔════╝██║████╗  ██║██╔════╝
 //  ██████╔╝███████║███████╗███████╗██║██╔██╗ ██║██║  ███╗
@@ -7,18 +5,23 @@ use crate::utils;
 //  ██║     ██║  ██║███████║███████║██║██║ ╚████║╚██████╔╝
 //  ╚═╝     ╚═╝  ╚═╝╚══════╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝

-#[test]
-fn passing_data_url_text_html() {
-    assert!(utils::is_data_url(
-        "data:text/html;base64,V2VsY29tZSBUbyBUaGUgUGFydHksIDxiPlBhbDwvYj4h"
-    ));
-}
+#[cfg(test)]
+mod passing {
+    use crate::url;

-#[test]
-fn passing_data_url_no_media_type() {
-    assert!(utils::is_data_url(
-        "data:;base64,V2VsY29tZSBUbyBUaGUgUGFydHksIDxiPlBhbDwvYj4h"
-    ));
+    #[test]
+    fn data_url_text_html() {
+        assert!(url::is_data_url(
+            "data:text/html;base64,V2VsY29tZSBUbyBUaGUgUGFydHksIDxiPlBhbDwvYj4h"
+        ));
+    }
+
+    #[test]
+    fn data_url_no_media_type() {
+        assert!(url::is_data_url(
+            "data:;base64,V2VsY29tZSBUbyBUaGUgUGFydHksIDxiPlBhbDwvYj4h"
+        ));
+    }
 }

 //  ███████╗ █████╗ ██╗██╗     ██╗███╗   ██╗ ██████╗
@@ -28,17 +31,22 @@ fn passing_data_url_no_media_type() {
 //  ██║     ██║  ██║██║███████╗██║██║ ╚████║╚██████╔╝
 //  ╚═╝     ╚═╝  ╚═╝╚═╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝

-#[test]
-fn failing_https_url() {
-    assert!(!utils::is_data_url("https://kernel.org"));
-}
+#[cfg(test)]
+mod failing {
+    use crate::url;

-#[test]
-fn failing_no_protocol_url() {
-    assert!(!utils::is_data_url("//kernel.org"));
-}
+    #[test]
+    fn https_url() {
+        assert!(!url::is_data_url("https://kernel.org"));
+    }

-#[test]
-fn failing_empty_string() {
-    assert!(!utils::is_data_url(""));
+    #[test]
+    fn no_protocol_url() {
+        assert!(!url::is_data_url("//kernel.org"));
+    }
+
+    #[test]
+    fn empty_string() {
+        assert!(!url::is_data_url(""));
+    }
 }
--- a/src/tests/utils/url_has_protocol.rs
+++ b/src/tests/utils/url_has_protocol.rs
@@ -1,5 +1,3 @@
-use crate::utils;
-
 //  ██████╗  █████╗ ███████╗███████╗██╗███╗   ██╗ ██████╗
 //  ██╔══██╗██╔══██╗██╔════╝██╔════╝██║████╗  ██║██╔════╝
 //  ██████╔╝███████║███████╗███████╗██║██╔██╗ ██║██║  ███╗
@@ -7,50 +5,37 @@ use crate::utils;
 //  ██║     ██║  ██║███████║███████║██║██║ ╚████║╚██████╔╝
 //  ╚═╝     ╚═╝  ╚═╝╚══════╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝

-#[test]
-fn passing_mailto() {
-    assert!(utils::url_has_protocol(
-        "mailto:somebody@somewhere.com?subject=hello"
-    ));
-}
+#[cfg(test)]
+mod passing {
+    use crate::url;

-#[test]
-fn passing_tel() {
-    assert!(utils::url_has_protocol("tel:5551234567"));
-}
+    #[test]
+    fn unix_file_url() {
+        assert!(url::is_file_url(
+            "file:///home/user/Websites/my-website/index.html"
+        ));
+    }

-#[test]
-fn passing_ftp_no_slashes() {
-    assert!(utils::url_has_protocol("ftp:some-ftp-server.com"));
-}
+    #[test]
+    fn windows_file_url() {
+        assert!(url::is_file_url(
+            "file:///C:/Documents%20and%20Settings/user/Websites/my-website/assets/images/logo.png"
+        ));
+    }

-#[test]
-fn passing_ftp_with_credentials() {
-    assert!(utils::url_has_protocol(
-        "ftp://user:password@some-ftp-server.com"
-    ));
-}
+    #[test]
+    fn unix_url_with_backslashes() {
+        assert!(url::is_file_url(
+            "file:\\\\\\home\\user\\Websites\\my-website\\index.html"
+        ));
+    }

-#[test]
-fn passing_javascript() {
-    assert!(utils::url_has_protocol("javascript:void(0)"));
-}
-
-#[test]
-fn passing_http() {
-    assert!(utils::url_has_protocol("http://news.ycombinator.com"));
-}
-
-#[test]
-fn passing_https() {
-    assert!(utils::url_has_protocol("https://github.com"));
-}
-
-#[test]
-fn passing_mailto_uppercase() {
-    assert!(utils::url_has_protocol(
-        "MAILTO:somebody@somewhere.com?subject=hello"
-    ));
+    #[test]
+    fn windows_file_url_with_backslashes() {
+        assert!(url::is_file_url(
+            "file:\\\\\\C:\\Documents%20and%20Settings\\user\\Websites\\my-website\\assets\\images\\logo.png"
+        ));
+    }
 }

 //  ███████╗ █████╗ ██╗██╗     ██╗███╗   ██╗ ██████╗
@@ -60,24 +45,39 @@ fn passing_mailto_uppercase() {
 //  ██║     ██║  ██║██║███████╗██║██║ ╚████║╚██████╔╝
 //  ╚═╝     ╚═╝  ╚═╝╚═╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝

-#[test]
-fn failing_url_with_no_protocol() {
-    assert!(!utils::url_has_protocol(
-        "//some-hostname.com/some-file.html"
-    ));
-}
+#[cfg(test)]
+mod failing {
+    use crate::url;

-#[test]
-fn failing_relative_path() {
-    assert!(!utils::url_has_protocol("some-hostname.com/some-file.html"));
-}
+    #[test]
+    fn url_with_no_protocl() {
+        assert!(!url::is_file_url("//kernel.org"));
+    }

-#[test]
-fn failing_relative_to_root_path() {
-    assert!(!utils::url_has_protocol("/some-file.html"));
-}
+    #[test]
+    fn dot_slash_filename() {
+        assert!(!url::is_file_url("./index.html"));
+    }

-#[test]
-fn failing_empty_string() {
-    assert!(!utils::url_has_protocol(""));
+    #[test]
+    fn just_filename() {
+        assert!(!url::is_file_url("some-local-page.htm"));
+    }
+
+    #[test]
+    fn https_ip_port_url() {
+        assert!(!url::is_file_url("https://1.2.3.4:80/www/index.html"));
+    }
+
+    #[test]
+    fn data_url() {
+        assert!(!url::is_file_url(
+            "data:text/html;base64,V2VsY29tZSBUbyBUaGUgUGFydHksIDxiPlBhbDwvYj4h"
+        ));
+    }
+
+    #[test]
+    fn just_word_file() {
+        assert!(!url::is_file_url("file"));
+    }
 }
--- a/src/tests/utils/data_url_to_text.rs
+++ b/src/tests/utils/data_url_to_text.rs
@@ -1,5 +1,3 @@
-use crate::utils;
-
 //  ██████╗  █████╗ ███████╗███████╗██╗███╗   ██╗ ██████╗
 //  ██╔══██╗██╔══██╗██╔════╝██╔════╝██║████╗  ██║██╔════╝
 //  ██████╔╝███████║███████╗███████╗██║██╔██╗ ██║██║  ███╗
@@ -7,42 +5,24 @@ use crate::utils;
 //  ██║     ██║  ██║███████║███████║██║██║ ╚████║╚██████╔╝
 //  ╚═╝     ╚═╝  ╚═╝╚══════╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝

-#[test]
-fn passing_parse_text_html_base64() {
-    assert_eq!(
-        utils::data_url_to_text("data:text/html;base64,V29yayBleHBhbmRzIHNvIGFzIHRvIGZpbGwgdGhlIHRpbWUgYXZhaWxhYmxlIGZvciBpdHMgY29tcGxldGlvbg=="),
-        "Work expands so as to fill the time available for its completion"
-    );
-}
+#[cfg(test)]
+mod passing {
+    use crate::url;

-#[test]
-fn passing_parse_text_html_utf8() {
-    assert_eq!(
-        utils::data_url_to_text(
-            "data:text/html;utf8,Work expands so as to fill the time available for its completion"
-        ),
-        "Work expands so as to fill the time available for its completion"
-    );
-}
+    #[test]
+    fn http_url() {
+        assert!(url::is_http_url("http://kernel.org"));
+    }

-#[test]
-fn passing_parse_text_html_plaintext() {
-    assert_eq!(
-        utils::data_url_to_text(
-            "data:text/html,Work expands so as to fill the time available for its completion"
-        ),
-        "Work expands so as to fill the time available for its completion"
-    );
-}
+    #[test]
+    fn https_url() {
+        assert!(url::is_http_url("https://www.rust-lang.org/"));
+    }

-#[test]
-fn passing_parse_text_html_charset_utf_8_between_two_whitespaces() {
-    assert_eq!(
-        utils::data_url_to_text(
-            " data:text/html;charset=utf-8,Work expands so as to fill the time available for its completion "
-        ),
-        "Work expands so as to fill the time available for its completion"
-    );
+    #[test]
+    fn http_url_with_backslashes() {
+        assert!(url::is_http_url("http:\\\\freebsd.org\\"));
+    }
 }

 //  ███████╗ █████╗ ██╗██╗     ██╗███╗   ██╗ ██████╗
@@ -52,7 +32,34 @@ fn passing_parse_text_html_charset_utf_8_between_two_whitespaces() {
 //  ██║     ██║  ██║██║███████╗██║██║ ╚████║╚██████╔╝
 //  ╚═╝     ╚═╝  ╚═╝╚═╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝

-#[test]
-fn failing_just_word_data() {
-    assert_eq!(utils::data_url_to_text("data"), "");
+#[cfg(test)]
+mod failing {
+    use crate::url;
+
+    #[test]
+    fn url_with_no_protocol() {
+        assert!(!url::is_http_url("//kernel.org"));
+    }
+
+    #[test]
+    fn dot_slash_filename() {
+        assert!(!url::is_http_url("./index.html"));
+    }
+
+    #[test]
+    fn just_filename() {
+        assert!(!url::is_http_url("some-local-page.htm"));
+    }
+
+    #[test]
+    fn https_ip_port_url() {
+        assert!(!url::is_http_url("ftp://1.2.3.4/www/index.html"));
+    }
+
+    #[test]
+    fn data_url() {
+        assert!(!url::is_http_url(
+            "data:text/html;base64,V2VsY29tZSBUbyBUaGUgUGFydHksIDxiPlBhbDwvYj4h"
+        ));
+    }
 }
--- a/src/tests/url/mod.rs
+++ b/src/tests/url/mod.rs
@@ -0,0 +1,12 @@
+mod clean_url;
+mod data_to_data_url;
+mod data_url_to_data;
+mod decode_url;
+mod file_url_to_fs_path;
+mod get_url_fragment;
+mod is_data_url;
+mod is_file_url;
+mod is_http_url;
+mod resolve_url;
+mod url_has_protocol;
+mod url_with_fragment;
--- a/src/tests/url/resolve_url.rs
+++ b/src/tests/url/resolve_url.rs
@@ -0,0 +1,239 @@
+//  ██████╗  █████╗ ███████╗███████╗██╗███╗   ██╗ ██████╗
+//  ██╔══██╗██╔══██╗██╔════╝██╔════╝██║████╗  ██║██╔════╝
+//  ██████╔╝███████║███████╗███████╗██║██╔██╗ ██║██║  ███╗
+//  ██╔═══╝ ██╔══██║╚════██║╚════██║██║██║╚██╗██║██║   ██║
+//  ██║     ██║  ██║███████║███████║██║██║ ╚████║╚██████╔╝
+//  ╚═╝     ╚═╝  ╚═╝╚══════╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝
+
+#[cfg(test)]
+mod passing {
+    use url::ParseError;
+
+    use crate::url;
+
+    #[test]
+    fn from_https_to_level_up_relative() -> Result<(), ParseError> {
+        let resolved_url =
+            url::resolve_url("https://www.kernel.org", "../category/signatures.html")?;
+
+        assert_eq!(
+            resolved_url.as_str(),
+            "https://www.kernel.org/category/signatures.html"
+        );
+
+        Ok(())
+    }
+
+    #[test]
+    fn from_just_filename_to_full_https_url() -> Result<(), ParseError> {
+        let resolved_url = url::resolve_url(
+            "saved_page.htm",
+            "https://www.kernel.org/category/signatures.html",
+        )?;
+
+        assert_eq!(
+            resolved_url.as_str(),
+            "https://www.kernel.org/category/signatures.html"
+        );
+
+        Ok(())
+    }
+
+    #[test]
+    fn from_https_url_to_url_with_no_protocol() -> Result<(), ParseError> {
+        let resolved_url = url::resolve_url(
+            "https://www.kernel.org",
+            "//www.kernel.org/theme/images/logos/tux.png",
+        )?;
+
+        assert_eq!(
+            resolved_url.as_str(),
+            "https://www.kernel.org/theme/images/logos/tux.png"
+        );
+
+        Ok(())
+    }
+
+    #[test]
+    fn from_https_url_to_url_with_no_protocol_and_on_different_hostname() -> Result<(), ParseError>
+    {
+        let resolved_url = url::resolve_url(
+            "https://www.kernel.org",
+            "//another-host.org/theme/images/logos/tux.png",
+        )?;
+
+        assert_eq!(
+            resolved_url.as_str(),
+            "https://another-host.org/theme/images/logos/tux.png"
+        );
+
+        Ok(())
+    }
+
+    #[test]
+    fn from_https_url_to_relative_root_path() -> Result<(), ParseError> {
+        let resolved_url = url::resolve_url(
+            "https://www.kernel.org/category/signatures.html",
+            "/theme/images/logos/tux.png",
+        )?;
+
+        assert_eq!(
+            resolved_url.as_str(),
+            "https://www.kernel.org/theme/images/logos/tux.png"
+        );
+
+        Ok(())
+    }
+
+    #[test]
+    fn from_https_to_just_filename() -> Result<(), ParseError> {
+        let resolved_url = url::resolve_url(
+            "https://www.w3schools.com/html/html_iframe.asp",
+            "default.asp",
+        )?;
+
+        assert_eq!(
+            resolved_url.as_str(),
+            "https://www.w3schools.com/html/default.asp"
+        );
+
+        Ok(())
+    }
+
+    #[test]
+    fn from_data_url_to_https() -> Result<(), ParseError> {
+        let resolved_url = url::resolve_url(
+            "data:text/html;base64,V2VsY29tZSBUbyBUaGUgUGFydHksIDxiPlBhbDwvYj4h",
+            "https://www.kernel.org/category/signatures.html",
+        )?;
+
+        assert_eq!(
+            resolved_url.as_str(),
+            "https://www.kernel.org/category/signatures.html"
+        );
+
+        Ok(())
+    }
+
+    #[test]
+    fn from_data_url_to_data_url() -> Result<(), ParseError> {
+        let resolved_url = url::resolve_url(
+            "data:text/html;base64,V2VsY29tZSBUbyBUaGUgUGFydHksIDxiPlBhbDwvYj4h",
+            "data:text/html;base64,PGEgaHJlZj0iaW5kZXguaHRtbCI+SG9tZTwvYT4K",
+        )?;
+
+        assert_eq!(
+            resolved_url.as_str(),
+            "data:text/html;base64,PGEgaHJlZj0iaW5kZXguaHRtbCI+SG9tZTwvYT4K"
+        );
+
+        Ok(())
+    }
+
+    #[test]
+    fn from_file_url_to_relative_path() -> Result<(), ParseError> {
+        let resolved_url = url::resolve_url(
+            "file:///home/user/Websites/my-website/index.html",
+            "assets/images/logo.png",
+        )
+        .unwrap_or(str!());
+
+        assert_eq!(
+            resolved_url.as_str(),
+            "file:///home/user/Websites/my-website/assets/images/logo.png"
+        );
+
+        Ok(())
+    }
+
+    #[test]
+    fn from_file_url_to_relative_path_with_backslashes() -> Result<(), ParseError> {
+        let resolved_url = url::resolve_url(
+            "file:\\\\\\home\\user\\Websites\\my-website\\index.html",
+            "assets\\images\\logo.png",
+        )
+        .unwrap_or(str!());
+
+        assert_eq!(
+            resolved_url.as_str(),
+            "file:///home/user/Websites/my-website/assets/images/logo.png"
+        );
+
+        Ok(())
+    }
+
+    #[test]
+    fn from_data_url_to_file_url() -> Result<(), ParseError> {
+        let resolved_url = url::resolve_url(
+            "data:text/html;base64,V2VsY29tZSBUbyBUaGUgUGFydHksIDxiPlBhbDwvYj4h",
+            "file:///etc/passwd",
+        )
+        .unwrap_or(str!());
+
+        assert_eq!(resolved_url.as_str(), "file:///etc/passwd");
+
+        Ok(())
+    }
+
+    #[test]
+    fn preserve_fragment() -> Result<(), ParseError> {
+        let resolved_url = url::resolve_url(
+            "http://doesnt-matter.local/",
+            "css/fonts/fontmarvelous.svg#fontmarvelous",
+        )
+        .unwrap_or(str!());
+
+        assert_eq!(
+            resolved_url.as_str(),
+            "http://doesnt-matter.local/css/fonts/fontmarvelous.svg#fontmarvelous"
+        );
+
+        Ok(())
+    }
+
+    #[test]
+    fn resolve_from_file_url_to_file_url() -> Result<(), ParseError> {
+        let resolved_url = if cfg!(windows) {
+            url::resolve_url("file:///c:/index.html", "file:///c:/image.png").unwrap_or(str!())
+        } else {
+            url::resolve_url("file:///tmp/index.html", "file:///tmp/image.png").unwrap_or(str!())
+        };
+
+        assert_eq!(
+            resolved_url.as_str(),
+            if cfg!(windows) {
+                "file:///c:/image.png"
+            } else {
+                "file:///tmp/image.png"
+            }
+        );
+
+        Ok(())
+    }
+}
+
+//  ███████╗ █████╗ ██╗██╗     ██╗███╗   ██╗ ██████╗
+//  ██╔════╝██╔══██╗██║██║     ██║████╗  ██║██╔════╝
+//  █████╗  ███████║██║██║     ██║██╔██╗ ██║██║  ███╗
+//  ██╔══╝  ██╔══██║██║██║     ██║██║╚██╗██║██║   ██║
+//  ██║     ██║  ██║██║███████╗██║██║ ╚████║╚██████╔╝
+//  ╚═╝     ╚═╝  ╚═╝╚═╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝
+
+#[cfg(test)]
+mod failing {
+    use crate::url;
+    use url::ParseError;
+
+    #[test]
+    fn from_data_url_to_url_with_no_protocol() -> Result<(), ParseError> {
+        let resolved_url = url::resolve_url(
+            "data:text/html;base64,V2VsY29tZSBUbyBUaGUgUGFydHksIDxiPlBhbDwvYj4h",
+            "//www.w3schools.com/html/html_iframe.asp",
+        )
+        .unwrap_or(str!());
+
+        assert_eq!(resolved_url.as_str(), "");
+
+        Ok(())
+    }
+}
--- a/src/tests/url/url_has_protocol.rs
+++ b/src/tests/url/url_has_protocol.rs
@@ -1,5 +1,3 @@
-use crate::utils;
-
 //  ██████╗  █████╗ ███████╗███████╗██╗███╗   ██╗ ██████╗
 //  ██╔══██╗██╔══██╗██╔════╝██╔════╝██║████╗  ██║██╔════╝
 //  ██████╔╝███████║███████╗███████╗██║██╔██╗ ██║██║  ███╗
@@ -7,32 +5,55 @@ use crate::utils;
 //  ██║     ██║  ██║███████║███████║██║██║ ╚████║╚██████╔╝
 //  ╚═╝     ╚═╝  ╚═╝╚══════╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝

-#[test]
-fn passing_unix_file_url() {
-    assert!(utils::is_file_url(
-        "file:///home/user/Websites/my-website/index.html"
-    ));
-}
+#[cfg(test)]
+mod passing {
+    use crate::url;

-#[test]
-fn passing_windows_file_url() {
-    assert!(utils::is_file_url(
-        "file:///C:/Documents%20and%20Settings/user/Websites/my-website/assets/images/logo.png"
-    ));
-}
+    #[test]
+    fn mailto() {
+        assert!(url::url_has_protocol(
+            "mailto:somebody@somewhere.com?subject=hello"
+        ));
+    }

-#[test]
-fn passing_unix_url_with_backslashes() {
-    assert!(utils::is_file_url(
-        "file:\\\\\\home\\user\\Websites\\my-website\\index.html"
-    ));
-}
+    #[test]
+    fn tel() {
+        assert!(url::url_has_protocol("tel:5551234567"));
+    }

-#[test]
-fn passing_windows_file_url_with_backslashes() {
-    assert!(utils::is_file_url(
-        "file:\\\\\\C:\\Documents%20and%20Settings\\user\\Websites\\my-website\\assets\\images\\logo.png"
-    ));
+    #[test]
+    fn ftp_no_slashes() {
+        assert!(url::url_has_protocol("ftp:some-ftp-server.com"));
+    }
+
+    #[test]
+    fn ftp_with_credentials() {
+        assert!(url::url_has_protocol(
+            "ftp://user:password@some-ftp-server.com"
+        ));
+    }
+
+    #[test]
+    fn javascript() {
+        assert!(url::url_has_protocol("javascript:void(0)"));
+    }
+
+    #[test]
+    fn http() {
+        assert!(url::url_has_protocol("http://news.ycombinator.com"));
+    }
+
+    #[test]
+    fn https() {
+        assert!(url::url_has_protocol("https://github.com"));
+    }
+
+    #[test]
+    fn mailto_uppercase() {
+        assert!(url::url_has_protocol(
+            "MAILTO:somebody@somewhere.com?subject=hello"
+        ));
+    }
 }

 //  ███████╗ █████╗ ██╗██╗     ██╗███╗   ██╗ ██████╗
@@ -42,34 +63,29 @@ fn passing_windows_file_url_with_backslashes() {
 //  ██║     ██║  ██║██║███████╗██║██║ ╚████║╚██████╔╝
 //  ╚═╝     ╚═╝  ╚═╝╚═╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝

-#[test]
-fn failing_url_with_no_protocl() {
-    assert!(!utils::is_file_url("//kernel.org"));
-}
+#[cfg(test)]
+mod failing {
+    use crate::utils;

-#[test]
-fn failing_dot_slash_filename() {
-    assert!(!utils::is_file_url("./index.html"));
-}
+    #[test]
+    fn url_with_no_protocol() {
+        assert!(!url::url_has_protocol(
+            "//some-hostname.com/some-file.html"
+        ));
+    }

-#[test]
-fn failing_just_filename() {
-    assert!(!utils::is_file_url("some-local-page.htm"));
-}
+    #[test]
+    fn relative_path() {
+        assert!(!url::url_has_protocol("some-hostname.com/some-file.html"));
+    }

-#[test]
-fn failing_https_ip_port_url() {
-    assert!(!utils::is_file_url("https://1.2.3.4:80/www/index.html"));
-}
+    #[test]
+    fn relative_to_root_path() {
+        assert!(!url::url_has_protocol("/some-file.html"));
+    }

-#[test]
-fn failing_data_url() {
-    assert!(!utils::is_file_url(
-        "data:text/html;base64,V2VsY29tZSBUbyBUaGUgUGFydHksIDxiPlBhbDwvYj4h"
-    ));
-}
-
-#[test]
-fn failing_just_word_file() {
-    assert!(!utils::is_file_url("file"));
+    #[test]
+    fn empty_string() {
+        assert!(!url::url_has_protocol(""));
+    }
 }
--- a/src/tests/url/url_with_fragment.rs
+++ b/src/tests/url/url_with_fragment.rs
@@ -0,0 +1,40 @@
+//  ██████╗  █████╗ ███████╗███████╗██╗███╗   ██╗ ██████╗
+//  ██╔══██╗██╔══██╗██╔════╝██╔════╝██║████╗  ██║██╔════╝
+//  ██████╔╝███████║███████╗███████╗██║██╔██╗ ██║██║  ███╗
+//  ██╔═══╝ ██╔══██║╚════██║╚════██║██║██║╚██╗██║██║   ██║
+//  ██║     ██║  ██║███████║███████║██║██║ ╚████║╚██████╔╝
+//  ╚═╝     ╚═╝  ╚═╝╚══════╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝
+
+#[cfg(test)]
+mod passing {
+    use crate::url;
+
+    #[test]
+    fn url_with_fragment_url() {
+        let url = "https://localhost.localdomain/path/";
+        let fragment = "test";
+        let assembled_url = url::url_with_fragment(url, fragment);
+
+        assert_eq!(&assembled_url, "https://localhost.localdomain/path/#test");
+    }
+    #[test]
+    fn url_with_fragment_empty_url() {
+        let url = "https://localhost.localdomain/path/";
+        let fragment = "";
+        let assembled_url = url::url_with_fragment(url, fragment);
+
+        assert_eq!(&assembled_url, "https://localhost.localdomain/path/");
+    }
+
+    #[test]
+    fn url_with_fragment_data_url() {
+        let url = "data:image/svg+xml;base64,PHN2Zz48L3N2Zz4K";
+        let fragment = "fragment";
+        let assembled_url = url::url_with_fragment(url, fragment);
+
+        assert_eq!(
+            &assembled_url,
+            "data:image/svg+xml;base64,PHN2Zz48L3N2Zz4K#fragment"
+        );
+    }
+}
--- a/src/tests/utils/detect_media_type.rs
+++ b/src/tests/utils/detect_media_type.rs
@@ -1,5 +1,3 @@
-use crate::utils;
-
 //  ██████╗  █████╗ ███████╗███████╗██╗███╗   ██╗ ██████╗
 //  ██╔══██╗██╔══██╗██╔════╝██╔════╝██║████╗  ██║██╔════╝
 //  ██████╔╝███████║███████╗███████╗██║██╔██╗ ██║██║  ███╗
@@ -7,131 +5,136 @@ use crate::utils;
 //  ██║     ██║  ██║███████║███████║██║██║ ╚████║╚██████╔╝
 //  ╚═╝     ╚═╝  ╚═╝╚══════╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝

-#[test]
-fn passing_image_gif87() {
-    assert_eq!(utils::detect_media_type(b"GIF87a", ""), "image/gif");
-}
+#[cfg(test)]
+mod passing {
+    use crate::utils;

-#[test]
-fn passing_image_gif89() {
-    assert_eq!(utils::detect_media_type(b"GIF89a", ""), "image/gif");
-}
+    #[test]
+    fn image_gif87() {
+        assert_eq!(utils::detect_media_type(b"GIF87a", ""), "image/gif");
+    }

-#[test]
-fn passing_image_jpeg() {
-    assert_eq!(utils::detect_media_type(b"\xFF\xD8\xFF", ""), "image/jpeg");
-}
+    #[test]
+    fn image_gif89() {
+        assert_eq!(utils::detect_media_type(b"GIF89a", ""), "image/gif");
+    }

-#[test]
-fn passing_image_png() {
-    assert_eq!(
-        utils::detect_media_type(b"\x89PNG\x0D\x0A\x1A\x0A", ""),
-        "image/png"
-    );
-}
+    #[test]
+    fn image_jpeg() {
+        assert_eq!(utils::detect_media_type(b"\xFF\xD8\xFF", ""), "image/jpeg");
+    }

-#[test]
-fn passing_image_svg() {
-    assert_eq!(utils::detect_media_type(b"<svg ", ""), "image/svg+xml");
-}
+    #[test]
+    fn image_png() {
+        assert_eq!(
+            utils::detect_media_type(b"\x89PNG\x0D\x0A\x1A\x0A", ""),
+            "image/png"
+        );
+    }

-#[test]
-fn passing_image_webp() {
-    assert_eq!(
-        utils::detect_media_type(b"RIFF....WEBPVP8 ", ""),
-        "image/webp"
-    );
-}
+    #[test]
+    fn image_svg() {
+        assert_eq!(utils::detect_media_type(b"<svg ", ""), "image/svg+xml");
+    }

-#[test]
-fn passing_image_icon() {
-    assert_eq!(
-        utils::detect_media_type(b"\x00\x00\x01\x00", ""),
-        "image/x-icon"
-    );
-}
+    #[test]
+    fn image_webp() {
+        assert_eq!(
+            utils::detect_media_type(b"RIFF....WEBPVP8 ", ""),
+            "image/webp"
+        );
+    }

-#[test]
-fn passing_image_svg_filename() {
-    assert_eq!(
-        utils::detect_media_type(b"<?xml ", "local-file.svg"),
-        "image/svg+xml"
-    );
-}
+    #[test]
+    fn image_icon() {
+        assert_eq!(
+            utils::detect_media_type(b"\x00\x00\x01\x00", ""),
+            "image/x-icon"
+        );
+    }

-#[test]
-fn passing_image_svg_url_uppercase() {
-    assert_eq!(
-        utils::detect_media_type(b"", "https://some-site.com/images/local-file.SVG"),
-        "image/svg+xml"
-    );
-}
+    #[test]
+    fn image_svg_filename() {
+        assert_eq!(
+            utils::detect_media_type(b"<?xml ", "local-file.svg"),
+            "image/svg+xml"
+        );
+    }

-#[test]
-fn passing_audio_mpeg() {
-    assert_eq!(utils::detect_media_type(b"ID3", ""), "audio/mpeg");
-}
+    #[test]
+    fn image_svg_url_uppercase() {
+        assert_eq!(
+            utils::detect_media_type(b"", "https://some-site.com/images/local-file.SVG"),
+            "image/svg+xml"
+        );
+    }

-#[test]
-fn passing_audio_mpeg_2() {
-    assert_eq!(utils::detect_media_type(b"\xFF\x0E", ""), "audio/mpeg");
-}
+    #[test]
+    fn audio_mpeg() {
+        assert_eq!(utils::detect_media_type(b"ID3", ""), "audio/mpeg");
+    }

-#[test]
-fn passing_audio_mpeg_3() {
-    assert_eq!(utils::detect_media_type(b"\xFF\x0F", ""), "audio/mpeg");
-}
+    #[test]
+    fn audio_mpeg_2() {
+        assert_eq!(utils::detect_media_type(b"\xFF\x0E", ""), "audio/mpeg");
+    }

-#[test]
-fn passing_audio_ogg() {
-    assert_eq!(utils::detect_media_type(b"OggS", ""), "audio/ogg");
-}
+    #[test]
+    fn audio_mpeg_3() {
+        assert_eq!(utils::detect_media_type(b"\xFF\x0F", ""), "audio/mpeg");
+    }

-#[test]
-fn passing_audio_wav() {
-    assert_eq!(
-        utils::detect_media_type(b"RIFF....WAVEfmt ", ""),
-        "audio/wav"
-    );
-}
+    #[test]
+    fn audio_ogg() {
+        assert_eq!(utils::detect_media_type(b"OggS", ""), "audio/ogg");
+    }

-#[test]
-fn passing_audio_flac() {
-    assert_eq!(utils::detect_media_type(b"fLaC", ""), "audio/x-flac");
-}
+    #[test]
+    fn audio_wav() {
+        assert_eq!(
+            utils::detect_media_type(b"RIFF....WAVEfmt ", ""),
+            "audio/wav"
+        );
+    }

-#[test]
-fn passing_video_avi() {
-    assert_eq!(
-        utils::detect_media_type(b"RIFF....AVI LIST", ""),
-        "video/avi"
-    );
-}
+    #[test]
+    fn audio_flac() {
+        assert_eq!(utils::detect_media_type(b"fLaC", ""), "audio/x-flac");
+    }

-#[test]
-fn passing_video_mp4() {
-    assert_eq!(utils::detect_media_type(b"....ftyp", ""), "video/mp4");
-}
+    #[test]
+    fn video_avi() {
+        assert_eq!(
+            utils::detect_media_type(b"RIFF....AVI LIST", ""),
+            "video/avi"
+        );
+    }

-#[test]
-fn passing_video_mpeg() {
-    assert_eq!(
-        utils::detect_media_type(b"\x00\x00\x01\x0B", ""),
-        "video/mpeg"
-    );
-}
+    #[test]
+    fn video_mp4() {
+        assert_eq!(utils::detect_media_type(b"....ftyp", ""), "video/mp4");
+    }

-#[test]
-fn passing_video_quicktime() {
-    assert_eq!(utils::detect_media_type(b"....moov", ""), "video/quicktime");
-}
+    #[test]
+    fn video_mpeg() {
+        assert_eq!(
+            utils::detect_media_type(b"\x00\x00\x01\x0B", ""),
+            "video/mpeg"
+        );
+    }

-#[test]
-fn passing_video_webm() {
-    assert_eq!(
-        utils::detect_media_type(b"\x1A\x45\xDF\xA3", ""),
-        "video/webm"
-    );
+    #[test]
+    fn video_quicktime() {
+        assert_eq!(utils::detect_media_type(b"....moov", ""), "video/quicktime");
+    }
+
+    #[test]
+    fn video_webm() {
+        assert_eq!(
+            utils::detect_media_type(b"\x1A\x45\xDF\xA3", ""),
+            "video/webm"
+        );
+    }
 }

 //  ███████╗ █████╗ ██╗██╗     ██╗███╗   ██╗ ██████╗
@@ -141,7 +144,12 @@ fn passing_video_webm() {
 //  ██║     ██║  ██║██║███████╗██║██║ ╚████║╚██████╔╝
 //  ╚═╝     ╚═╝  ╚═╝╚═╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝

-#[test]
-fn failing_unknown_media_type() {
-    assert_eq!(utils::detect_media_type(b"abcdef0123456789", ""), "");
+#[cfg(test)]
+mod failing {
+    use crate::utils;
+
+    #[test]
+    fn unknown_media_type() {
+        assert_eq!(utils::detect_media_type(b"abcdef0123456789", ""), "");
+    }
 }
--- a/src/tests/utils/decode_url.rs
+++ b/src/tests/utils/decode_url.rs
@@ -1,5 +1,3 @@
-use crate::utils;
-
 //  ██████╗  █████╗ ███████╗███████╗██╗███╗   ██╗ ██████╗
 //  ██╔══██╗██╔══██╗██╔════╝██╔════╝██║████╗  ██║██╔════╝
 //  ██████╔╝███████║███████╗███████╗██║██╔██╗ ██║██║  ███╗
@@ -7,20 +5,27 @@ use crate::utils;
 //  ██║     ██║  ██║███████║███████║██║██║ ╚████║╚██████╔╝
 //  ╚═╝     ╚═╝  ╚═╝╚══════╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝

-#[test]
-fn passing_decode_unicode_characters() {
-    assert_eq!(
-        utils::decode_url(str!(
-            "%E6%A4%9C%E3%83%92%E3%83%A0%E8%A7%A3%E5%A1%97%E3%82%83%E3%83%83%20%3D%20%E3%82%B5"
-        )),
-        "検ヒム解塗ゃッ = サ"
-    );
-}
+#[cfg(test)]
+mod passing {
+    use crate::utils;

-#[test]
-fn passing_decode_file_url() {
-    assert_eq!(
-        utils::decode_url(str!("file:///tmp/space%20here/test%231.html")),
-        "file:///tmp/space here/test#1.html"
-    );
+    #[test]
+    fn zero() {
+        assert_eq!(utils::indent(0), "");
+    }
+
+    #[test]
+    fn one() {
+        assert_eq!(utils::indent(1), " ");
+    }
+
+    #[test]
+    fn two() {
+        assert_eq!(utils::indent(2), "  ");
+    }
+
+    #[test]
+    fn three() {
+        assert_eq!(utils::indent(3), "   ");
+    }
 }
--- a/src/tests/utils/mod.rs
+++ b/src/tests/utils/mod.rs
@@ -1,13 +1,3 @@
-mod clean_url;
-mod data_to_data_url;
-mod data_url_to_text;
-mod decode_url;
 mod detect_media_type;
-mod file_url_to_fs_path;
-mod get_url_fragment;
-mod is_data_url;
-mod is_file_url;
-mod is_http_url;
-mod resolve_url;
+mod indent;
 mod retrieve_asset;
-mod url_has_protocol;
--- a/src/tests/utils/resolve_url.rs
+++ b/src/tests/utils/resolve_url.rs
@@ -1,229 +0,0 @@
-use url::ParseError;
-
-use crate::utils;
-
-//  ██████╗  █████╗ ███████╗███████╗██╗███╗   ██╗ ██████╗
-//  ██╔══██╗██╔══██╗██╔════╝██╔════╝██║████╗  ██║██╔════╝
-//  ██████╔╝███████║███████╗███████╗██║██╔██╗ ██║██║  ███╗
-//  ██╔═══╝ ██╔══██║╚════██║╚════██║██║██║╚██╗██║██║   ██║
-//  ██║     ██║  ██║███████║███████║██║██║ ╚████║╚██████╔╝
-//  ╚═╝     ╚═╝  ╚═╝╚══════╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝
-
-#[test]
-fn passing_from_https_to_level_up_relative() -> Result<(), ParseError> {
-    let resolved_url = utils::resolve_url("https://www.kernel.org", "../category/signatures.html")?;
-
-    assert_eq!(
-        resolved_url.as_str(),
-        "https://www.kernel.org/category/signatures.html"
-    );
-
-    Ok(())
-}
-
-#[test]
-fn passing_from_just_filename_to_full_https_url() -> Result<(), ParseError> {
-    let resolved_url = utils::resolve_url(
-        "saved_page.htm",
-        "https://www.kernel.org/category/signatures.html",
-    )?;
-
-    assert_eq!(
-        resolved_url.as_str(),
-        "https://www.kernel.org/category/signatures.html"
-    );
-
-    Ok(())
-}
-
-#[test]
-fn passing_from_https_url_to_url_with_no_protocol() -> Result<(), ParseError> {
-    let resolved_url = utils::resolve_url(
-        "https://www.kernel.org",
-        "//www.kernel.org/theme/images/logos/tux.png",
-    )?;
-
-    assert_eq!(
-        resolved_url.as_str(),
-        "https://www.kernel.org/theme/images/logos/tux.png"
-    );
-
-    Ok(())
-}
-
-#[test]
-fn passing_from_https_url_to_url_with_no_protocol_and_on_different_hostname(
-) -> Result<(), ParseError> {
-    let resolved_url = utils::resolve_url(
-        "https://www.kernel.org",
-        "//another-host.org/theme/images/logos/tux.png",
-    )?;
-
-    assert_eq!(
-        resolved_url.as_str(),
-        "https://another-host.org/theme/images/logos/tux.png"
-    );
-
-    Ok(())
-}
-
-#[test]
-fn passing_from_https_url_to_relative_root_path() -> Result<(), ParseError> {
-    let resolved_url = utils::resolve_url(
-        "https://www.kernel.org/category/signatures.html",
-        "/theme/images/logos/tux.png",
-    )?;
-
-    assert_eq!(
-        resolved_url.as_str(),
-        "https://www.kernel.org/theme/images/logos/tux.png"
-    );
-
-    Ok(())
-}
-
-#[test]
-fn passing_from_https_to_just_filename() -> Result<(), ParseError> {
-    let resolved_url = utils::resolve_url(
-        "https://www.w3schools.com/html/html_iframe.asp",
-        "default.asp",
-    )?;
-
-    assert_eq!(
-        resolved_url.as_str(),
-        "https://www.w3schools.com/html/default.asp"
-    );
-
-    Ok(())
-}
-
-#[test]
-fn passing_from_data_url_to_https() -> Result<(), ParseError> {
-    let resolved_url = utils::resolve_url(
-        "data:text/html;base64,V2VsY29tZSBUbyBUaGUgUGFydHksIDxiPlBhbDwvYj4h",
-        "https://www.kernel.org/category/signatures.html",
-    )?;
-
-    assert_eq!(
-        resolved_url.as_str(),
-        "https://www.kernel.org/category/signatures.html"
-    );
-
-    Ok(())
-}
-
-#[test]
-fn passing_from_data_url_to_data_url() -> Result<(), ParseError> {
-    let resolved_url = utils::resolve_url(
-        "data:text/html;base64,V2VsY29tZSBUbyBUaGUgUGFydHksIDxiPlBhbDwvYj4h",
-        "data:text/html;base64,PGEgaHJlZj0iaW5kZXguaHRtbCI+SG9tZTwvYT4K",
-    )?;
-
-    assert_eq!(
-        resolved_url.as_str(),
-        "data:text/html;base64,PGEgaHJlZj0iaW5kZXguaHRtbCI+SG9tZTwvYT4K"
-    );
-
-    Ok(())
-}
-
-#[test]
-fn passing_from_file_url_to_relative_path() -> Result<(), ParseError> {
-    let resolved_url = utils::resolve_url(
-        "file:///home/user/Websites/my-website/index.html",
-        "assets/images/logo.png",
-    )
-    .unwrap_or(str!());
-
-    assert_eq!(
-        resolved_url.as_str(),
-        "file:///home/user/Websites/my-website/assets/images/logo.png"
-    );
-
-    Ok(())
-}
-
-#[test]
-fn passing_from_file_url_to_relative_path_with_backslashes() -> Result<(), ParseError> {
-    let resolved_url = utils::resolve_url(
-        "file:\\\\\\home\\user\\Websites\\my-website\\index.html",
-        "assets\\images\\logo.png",
-    )
-    .unwrap_or(str!());
-
-    assert_eq!(
-        resolved_url.as_str(),
-        "file:///home/user/Websites/my-website/assets/images/logo.png"
-    );
-
-    Ok(())
-}
-
-#[test]
-fn passing_from_data_url_to_file_url() -> Result<(), ParseError> {
-    let resolved_url = utils::resolve_url(
-        "data:text/html;base64,V2VsY29tZSBUbyBUaGUgUGFydHksIDxiPlBhbDwvYj4h",
-        "file:///etc/passwd",
-    )
-    .unwrap_or(str!());
-
-    assert_eq!(resolved_url.as_str(), "file:///etc/passwd");
-
-    Ok(())
-}
-
-#[test]
-fn passing_preserve_fragment() -> Result<(), ParseError> {
-    let resolved_url = utils::resolve_url(
-        "http://doesnt-matter.local/",
-        "css/fonts/fontmarvelous.svg#fontmarvelous",
-    )
-    .unwrap_or(str!());
-
-    assert_eq!(
-        resolved_url.as_str(),
-        "http://doesnt-matter.local/css/fonts/fontmarvelous.svg#fontmarvelous"
-    );
-
-    Ok(())
-}
-
-#[test]
-fn passing_resolve_from_file_url_to_file_url() -> Result<(), ParseError> {
-    let resolved_url = if cfg!(windows) {
-        utils::resolve_url("file:///c:/index.html", "file:///c:/image.png").unwrap_or(str!())
-    } else {
-        utils::resolve_url("file:///tmp/index.html", "file:///tmp/image.png").unwrap_or(str!())
-    };
-
-    assert_eq!(
-        resolved_url.as_str(),
-        if cfg!(windows) {
-            "file:///c:/image.png"
-        } else {
-            "file:///tmp/image.png"
-        }
-    );
-
-    Ok(())
-}
-
-//  ███████╗ █████╗ ██╗██╗     ██╗███╗   ██╗ ██████╗
-//  ██╔════╝██╔══██╗██║██║     ██║████╗  ██║██╔════╝
-//  █████╗  ███████║██║██║     ██║██╔██╗ ██║██║  ███╗
-//  ██╔══╝  ██╔══██║██║██║     ██║██║╚██╗██║██║   ██║
-//  ██║     ██║  ██║██║███████╗██║██║ ╚████║╚██████╔╝
-//  ╚═╝     ╚═╝  ╚═╝╚═╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝
-
-#[test]
-fn failing_from_data_url_to_url_with_no_protocol() -> Result<(), ParseError> {
-    let resolved_url = utils::resolve_url(
-        "data:text/html;base64,V2VsY29tZSBUbyBUaGUgUGFydHksIDxiPlBhbDwvYj4h",
-        "//www.w3schools.com/html/html_iframe.asp",
-    )
-    .unwrap_or(str!());
-
-    assert_eq!(resolved_url.as_str(), "");
-
-    Ok(())
-}
--- a/src/tests/utils/retrieve_asset.rs
+++ b/src/tests/utils/retrieve_asset.rs
@@ -1,8 +1,3 @@
-use crate::utils;
-use reqwest::blocking::Client;
-use std::collections::HashMap;
-use std::env;
-
 //  ██████╗  █████╗ ███████╗███████╗██╗███╗   ██╗ ██████╗
 //  ██╔══██╗██╔══██╗██╔════╝██╔════╝██║████╗  ██║██╔════╝
 //  ██████╔╝███████║███████╗███████╗██║██╔██╗ ██║██║  ███╗
@@ -10,83 +5,78 @@ use std::env;
 //  ██║     ██║  ██║███████║███████║██║██║ ╚████║╚██████╔╝
 //  ╚═╝     ╚═╝  ╚═╝╚══════╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝

-#[test]
-fn passing_read_data_url() {
-    let cache = &mut HashMap::new();
-    let client = Client::new();
+#[cfg(test)]
+mod passing {
+    use reqwest::blocking::Client;
+    use std::collections::HashMap;
+    use std::env;

-    // If both source and target are data URLs,
-    // ensure the result contains target data URL
-    let (retrieved_data, final_url) = utils::retrieve_asset(
-        cache,
-        &client,
-        "data:text/html;base64,SoUrCe",
-        "data:text/html;base64,TaRgEt",
-        true,
-        "",
-        false,
-    )
-    .unwrap();
-    assert_eq!(&retrieved_data, "data:text/html;base64,TaRgEt");
-    assert_eq!(&final_url, "data:text/html;base64,TaRgEt");
-}
+    use crate::url;
+    use crate::utils;

-#[test]
-fn passing_read_data_url_ignore_suggested_media_type() {
-    let cache = &mut HashMap::new();
-    let client = Client::new();
+    #[test]
+    fn read_data_url() {
+        let cache = &mut HashMap::new();
+        let client = Client::new();

-    // Media type parameter should not influence data URLs
-    let (data, final_url) = utils::retrieve_asset(
-        cache,
-        &client,
-        "data:text/html;base64,SoUrCe",
-        "data:text/html;base64,TaRgEt",
-        true,
-        "image/png",
-        false,
-    )
-    .unwrap();
-    assert_eq!(&data, "data:text/html;base64,TaRgEt");
-    assert_eq!(&final_url, "data:text/html;base64,TaRgEt");
-}
-
-#[test]
-fn passing_read_local_file_with_file_url_parent() {
-    let cache = &mut HashMap::new();
-    let client = Client::new();
-
-    let file_url_protocol: &str = if cfg!(windows) { "file:///" } else { "file://" };
-
-    // Inclusion of local assets from local sources should be allowed
-    let cwd = env::current_dir().unwrap();
-    let (data, final_url) = utils::retrieve_asset(
-        cache,
-        &client,
-        &format!(
-            "{file}{cwd}/src/tests/data/local-file.html",
-            file = file_url_protocol,
-            cwd = cwd.to_str().unwrap()
-        ),
-        &format!(
-            "{file}{cwd}/src/tests/data/local-script.js",
-            file = file_url_protocol,
-            cwd = cwd.to_str().unwrap()
-        ),
-        true,
-        "application/javascript",
-        false,
-    )
-    .unwrap();
-    assert_eq!(&data, "data:application/javascript;base64,ZG9jdW1lbnQuYm9keS5zdHlsZS5iYWNrZ3JvdW5kQ29sb3IgPSAiZ3JlZW4iOwpkb2N1bWVudC5ib2R5LnN0eWxlLmNvbG9yID0gInJlZCI7Cg==");
-    assert_eq!(
-        &final_url,
-        &format!(
-            "{file}{cwd}/src/tests/data/local-script.js",
-            file = file_url_protocol,
-            cwd = cwd.to_str().unwrap()
+        // If both source and target are data URLs,
+        // ensure the result contains target data URL
+        let (data, final_url, media_type) = utils::retrieve_asset(
+            cache,
+            &client,
+            "data:text/html;base64,c291cmNl",
+            "data:text/html;base64,dGFyZ2V0",
+            false,
+            0,
        )
-    );
+        .unwrap();
+        assert_eq!(
+            url::data_to_data_url(&media_type, &data, &final_url),
+            url::data_to_data_url("text/html", "target".as_bytes(), "")
+        );
+        assert_eq!(
+            final_url,
+            url::data_to_data_url("text/html", "target".as_bytes(), "")
+        );
+        assert_eq!(&media_type, "text/html");
+    }
+
+    #[test]
+    fn read_local_file_with_file_url_parent() {
+        let cache = &mut HashMap::new();
+        let client = Client::new();
+
+        let file_url_protocol: &str = if cfg!(windows) { "file:///" } else { "file://" };
+
+        // Inclusion of local assets from local sources should be allowed
+        let cwd = env::current_dir().unwrap();
+        let (data, final_url, _media_type) = utils::retrieve_asset(
+            cache,
+            &client,
+            &format!(
+                "{file}{cwd}/src/tests/data/basic/local-file.html",
+                file = file_url_protocol,
+                cwd = cwd.to_str().unwrap()
+            ),
+            &format!(
+                "{file}{cwd}/src/tests/data/basic/local-script.js",
+                file = file_url_protocol,
+                cwd = cwd.to_str().unwrap()
+            ),
+            false,
+            0,
+        )
+        .unwrap();
+        assert_eq!(url::data_to_data_url("application/javascript", &data, &final_url), "data:application/javascript;base64,ZG9jdW1lbnQuYm9keS5zdHlsZS5iYWNrZ3JvdW5kQ29sb3IgPSAiZ3JlZW4iOwpkb2N1bWVudC5ib2R5LnN0eWxlLmNvbG9yID0gInJlZCI7Cg==");
+        assert_eq!(
+            &final_url,
+            &format!(
+                "{file}{cwd}/src/tests/data/basic/local-script.js",
+                file = file_url_protocol,
+                cwd = cwd.to_str().unwrap()
+            )
+        );
+    }
 }

 //  ███████╗ █████╗ ██╗██╗     ██╗███╗   ██╗ ██████╗
@@ -96,42 +86,56 @@ fn passing_read_local_file_with_file_url_parent() {
 //  ██║     ██║  ██║██║███████╗██║██║ ╚████║╚██████╔╝
 //  ╚═╝     ╚═╝  ╚═╝╚═╝╚══════╝╚═╝╚═╝  ╚═══╝ ╚═════╝

-#[test]
-fn failing_read_local_file_with_data_url_parent() {
-    let cache = &mut HashMap::new();
-    let client = Client::new();
+#[cfg(test)]
+mod failing {
+    use reqwest::blocking::Client;
+    use std::collections::HashMap;

-    // Inclusion of local assets from data URL sources should not be allowed
-    let (data, final_url) = utils::retrieve_asset(
-        cache,
-        &client,
-        "data:text/html;base64,SoUrCe",
-        "file:///etc/passwd",
-        true,
-        "",
-        false,
-    )
-    .unwrap();
-    assert_eq!(&data, "");
-    assert_eq!(&final_url, "");
-}
-
-#[test]
-fn failing_read_local_file_with_https_parent() {
-    let cache = &mut HashMap::new();
-    let client = Client::new();
-
-    // Inclusion of local assets from remote sources should not be allowed
-    let (data, final_url) = utils::retrieve_asset(
-        cache,
-        &client,
-        "https://kernel.org/",
-        "file:///etc/passwd",
-        true,
-        "",
-        false,
-    )
-    .unwrap();
-    assert_eq!(&data, "");
-    assert_eq!(&final_url, "");
+    use crate::utils;
+
+    #[test]
+    fn read_local_file_with_data_url_parent() {
+        let cache = &mut HashMap::new();
+        let client = Client::new();
+
+        // Inclusion of local assets from data URL sources should not be allowed
+        match utils::retrieve_asset(
+            cache,
+            &client,
+            "data:text/html;base64,SoUrCe",
+            "file:///etc/passwd",
+            false,
+            0,
+        ) {
+            Ok((..)) => {
+                assert!(false);
+            }
+            Err(_) => {
+                assert!(true);
+            }
+        }
+    }
+
+    #[test]
+    fn read_local_file_with_https_parent() {
+        let cache = &mut HashMap::new();
+        let client = Client::new();
+
+        // Inclusion of local assets from remote sources should not be allowed
+        match utils::retrieve_asset(
+            cache,
+            &client,
+            "https://kernel.org/",
+            "file:///etc/passwd",
+            false,
+            0,
+        ) {
+            Ok((..)) => {
+                assert!(false);
+            }
+            Err(_) => {
+                assert!(true);
+            }
+        }
+    }
 }
--- a/src/url.rs
+++ b/src/url.rs
@@ -0,0 +1,168 @@
+use base64;
+use url::{form_urlencoded, ParseError, Url};
+
+use crate::utils::detect_media_type;
+
+pub fn clean_url<T: AsRef<str>>(input: T) -> String {
+    let mut url = Url::parse(input.as_ref()).unwrap();
+
+    // Clear fragment
+    url.set_fragment(None);
+
+    // Get rid of stray question mark
+    if url.query() == Some("") {
+        url.set_query(None);
+    }
+
+    // Remove empty trailing ampersand(s)
+    let mut result: String = url.to_string();
+    while result.ends_with("&") {
+        result.pop();
+    }
+
+    result
+}
+
+pub fn data_to_data_url(media_type: &str, data: &[u8], url: &str) -> String {
+    let media_type: String = if media_type.is_empty() {
+        detect_media_type(data, &url)
+    } else {
+        media_type.to_string()
+    };
+
+    format!("data:{};base64,{}", media_type, base64::encode(data))
+}
+
+pub fn data_url_to_data<T: AsRef<str>>(url: T) -> (String, Vec<u8>) {
+    let parsed_url: Url = Url::parse(url.as_ref()).unwrap_or(Url::parse("data:,").unwrap());
+    let path: String = parsed_url.path().to_string();
+    let comma_loc: usize = path.find(',').unwrap_or(path.len());
+
+    let meta_data: String = path.chars().take(comma_loc).collect();
+    let raw_data: String = path.chars().skip(comma_loc + 1).collect();
+
+    let text: String = decode_url(raw_data);
+
+    let meta_data_items: Vec<&str> = meta_data.split(';').collect();
+    let mut media_type: String = str!();
+    let mut encoding: &str = "";
+
+    let mut i: i8 = 0;
+    for item in &meta_data_items {
+        if i == 0 {
+            media_type = str!(item);
+        } else {
+            if item.eq_ignore_ascii_case("base64")
+                || item.eq_ignore_ascii_case("utf8")
+                || item.eq_ignore_ascii_case("charset=UTF-8")
+            {
+                encoding = item;
+            }
+        }
+
+        i = i + 1;
+    }
+
+    let data: Vec<u8> = if encoding.eq_ignore_ascii_case("base64") {
+        base64::decode(&text).unwrap_or(vec![])
+    } else {
+        text.as_bytes().to_vec()
+    };
+
+    (media_type, data)
+}
+
+pub fn decode_url(input: String) -> String {
+    let input: String = input.replace("+", "%2B");
+
+    form_urlencoded::parse(input.as_bytes())
+        .map(|(key, val)| {
+            [
+                key.to_string(),
+                if val.to_string().len() == 0 {
+                    str!()
+                } else {
+                    str!('=')
+                },
+                val.to_string(),
+            ]
+            .concat()
+        })
+        .collect()
+}
+
+pub fn file_url_to_fs_path(url: &str) -> String {
+    if !is_file_url(url) {
+        return str!();
+    }
+
+    let cutoff_l = if cfg!(windows) { 8 } else { 7 };
+    let mut fs_file_path: String = decode_url(url.to_string()[cutoff_l..].to_string());
+    let url_fragment = get_url_fragment(url);
+    if url_fragment != "" {
+        let max_len = fs_file_path.len() - 1 - url_fragment.len();
+        fs_file_path = fs_file_path[0..max_len].to_string();
+    }
+
+    if cfg!(windows) {
+        fs_file_path = fs_file_path.replace("/", "\\");
+    }
+
+    // File paths should not be %-encoded
+    decode_url(fs_file_path)
+}
+
+pub fn get_url_fragment<T: AsRef<str>>(url: T) -> String {
+    if Url::parse(url.as_ref()).unwrap().fragment() == None {
+        str!()
+    } else {
+        str!(Url::parse(url.as_ref()).unwrap().fragment().unwrap())
+    }
+}
+
+pub fn is_data_url<T: AsRef<str>>(url: T) -> bool {
+    Url::parse(url.as_ref())
+        .and_then(|u| Ok(u.scheme() == "data"))
+        .unwrap_or(false)
+}
+
+pub fn is_file_url<T: AsRef<str>>(url: T) -> bool {
+    Url::parse(url.as_ref())
+        .and_then(|u| Ok(u.scheme() == "file"))
+        .unwrap_or(false)
+}
+
+pub fn is_http_url<T: AsRef<str>>(url: T) -> bool {
+    Url::parse(url.as_ref())
+        .and_then(|u| Ok(u.scheme() == "http" || u.scheme() == "https"))
+        .unwrap_or(false)
+}
+
+pub fn resolve_url<T: AsRef<str>, U: AsRef<str>>(from: T, to: U) -> Result<String, ParseError> {
+    let result = if is_http_url(to.as_ref()) {
+        to.as_ref().to_string()
+    } else {
+        Url::parse(from.as_ref())?
+            .join(to.as_ref())?
+            .as_ref()
+            .to_string()
+    };
+    Ok(result)
+}
+
+pub fn url_has_protocol<T: AsRef<str>>(url: T) -> bool {
+    Url::parse(url.as_ref())
+        .and_then(|u| Ok(u.scheme().len() > 0))
+        .unwrap_or(false)
+}
+
+pub fn url_with_fragment(url: &str, fragment: &str) -> String {
+    let mut result = str!(&url);
+
+    if !fragment.is_empty() {
+        result += "#";
+        result += fragment;
+    }
+
+    result
+}
--- a/src/utils.rs
+++ b/src/utils.rs
@@ -1,10 +1,12 @@
-use base64;
 use reqwest::blocking::Client;
 use reqwest::header::CONTENT_TYPE;
 use std::collections::HashMap;
 use std::fs;
 use std::path::Path;
-use url::{form_urlencoded, ParseError, Url};
+
+use crate::url::{clean_url, data_url_to_data, file_url_to_fs_path, is_data_url, is_file_url};
+
+const INDENT: &str = " ";

 const MAGIC: [[&[u8]; 2]; 18] = [
    // Image
@@ -30,25 +32,13 @@ const MAGIC: [[&[u8]; 2]; 18] = [
    [b"\x1A\x45\xDF\xA3", b"video/webm"],
 ];

-pub fn data_to_data_url(media_type: &str, data: &[u8], url: &str, fragment: &str) -> String {
-    let media_type: String = if media_type.is_empty() {
-        detect_media_type(data, &url)
-    } else {
-        media_type.to_string()
-    };
-    let hash: String = if fragment != "" {
-        format!("#{}", fragment)
-    } else {
-        str!()
-    };
-
-    format!(
-        "data:{};base64,{}{}",
-        media_type,
-        base64::encode(data),
-        hash
-    )
-}
+const PLAINTEXT_MEDIA_TYPES: &[&str] = &[
+    "image/svg+xml",
+    "text/css",
+    "text/html",
+    "text/javascript",
+    "text/plain",
+];

 pub fn detect_media_type(data: &[u8], url: &str) -> String {
    for item in MAGIC.iter() {
@@ -64,241 +54,100 @@ pub fn detect_media_type(data: &[u8], url: &str) -> String {
    str!()
 }

-pub fn url_has_protocol<T: AsRef<str>>(url: T) -> bool {
-    Url::parse(url.as_ref())
-        .and_then(|u| Ok(u.scheme().len() > 0))
-        .unwrap_or(false)
+pub fn is_plaintext_media_type(media_type: &str) -> bool {
+    PLAINTEXT_MEDIA_TYPES.contains(&media_type.to_lowercase().as_str())
 }

-pub fn is_data_url<T: AsRef<str>>(url: T) -> bool {
-    Url::parse(url.as_ref())
-        .and_then(|u| Ok(u.scheme() == "data"))
-        .unwrap_or(false)
-}
-
-pub fn is_file_url<T: AsRef<str>>(url: T) -> bool {
-    Url::parse(url.as_ref())
-        .and_then(|u| Ok(u.scheme() == "file"))
-        .unwrap_or(false)
-}
-
-pub fn is_http_url<T: AsRef<str>>(url: T) -> bool {
-    Url::parse(url.as_ref())
-        .and_then(|u| Ok(u.scheme() == "http" || u.scheme() == "https"))
-        .unwrap_or(false)
-}
-
-pub fn resolve_url<T: AsRef<str>, U: AsRef<str>>(from: T, to: U) -> Result<String, ParseError> {
-    let result = if is_http_url(to.as_ref()) {
-        to.as_ref().to_string()
-    } else {
-        Url::parse(from.as_ref())?
-            .join(to.as_ref())?
-            .as_ref()
-            .to_string()
-    };
-    Ok(result)
-}
-
-pub fn get_url_fragment<T: AsRef<str>>(url: T) -> String {
-    if Url::parse(url.as_ref()).unwrap().fragment() == None {
-        str!()
-    } else {
-        str!(Url::parse(url.as_ref()).unwrap().fragment().unwrap())
+pub fn indent(level: u32) -> String {
+    let mut result = str!();
+    let mut l: u32 = level;
+    while l > 0 {
+        result += INDENT;
+        l -= 1;
    }
-}
-
-pub fn clean_url<T: AsRef<str>>(url: T) -> String {
-    let mut result = Url::parse(url.as_ref()).unwrap();
-
-    // Clear fragment
-    result.set_fragment(None);
-
-    // Get rid of stray question mark
-    if result.query() == Some("") {
-        result.set_query(None);
-    }
-    result.to_string()
-}
-
-pub fn data_url_to_text<T: AsRef<str>>(url: T) -> String {
-    let parsed_url = Url::parse(url.as_ref()).unwrap_or(Url::parse("http://[::1]").unwrap());
-    let path: String = parsed_url.path().to_string();
-    let comma_loc: usize = path.find(',').unwrap_or(path.len());
-
-    if comma_loc == path.len() {
-        return str!();
-    }
-
-    let meta_data: String = path.chars().take(comma_loc).collect();
-    let raw_data: String = path.chars().skip(comma_loc + 1).collect();
-
-    let data: String = decode_url(raw_data);
-
-    let meta_data_items: Vec<&str> = meta_data.split(';').collect();
-    let mut media_type: &str = "";
-    let mut encoding: &str = "";
-
-    let mut i: i8 = 0;
-    for item in &meta_data_items {
-        if i == 0 {
-            if item.eq_ignore_ascii_case("text/html") {
-                media_type = item;
-                continue;
-            }
-        }
-
-        if item.eq_ignore_ascii_case("base64") || item.eq_ignore_ascii_case("utf8") {
-            encoding = item;
-        }
-
-        i = i + 1;
-    }
-
-    if media_type.eq_ignore_ascii_case("text/html") {
-        if encoding.eq_ignore_ascii_case("base64") {
-            String::from_utf8(base64::decode(&data).unwrap_or(vec![])).unwrap_or(str!())
-        } else {
-            data
-        }
-    } else {
-        str!()
-    }
-}
-
-pub fn decode_url(input: String) -> String {
-    form_urlencoded::parse(input.as_bytes())
-        .map(|(key, val)| {
-            [
-                key.to_string(),
-                if val.to_string().len() == 0 {
-                    str!()
-                } else {
-                    str!('=')
-                },
-                val.to_string(),
-            ]
-            .concat()
-        })
-        .collect()
-}
-
-pub fn file_url_to_fs_path(url: &str) -> String {
-    if !is_file_url(url) {
-        return str!();
-    }
-
-    let cutoff_l = if cfg!(windows) { 8 } else { 7 };
-    let mut fs_file_path: String = decode_url(url.to_string()[cutoff_l..].to_string());
-    let url_fragment = get_url_fragment(url);
-    if url_fragment != "" {
-        let max_len = fs_file_path.len() - 1 - url_fragment.len();
-        fs_file_path = fs_file_path[0..max_len].to_string();
-    }
-
-    if cfg!(windows) {
-        fs_file_path = fs_file_path.replace("/", "\\");
-    }
-
-    fs_file_path
+    result
 }

 pub fn retrieve_asset(
-    cache: &mut HashMap<String, String>,
+    cache: &mut HashMap<String, Vec<u8>>,
    client: &Client,
    parent_url: &str,
    url: &str,
-    as_data_url: bool,
-    media_type: &str,
    opt_silent: bool,
-) -> Result<(String, String), reqwest::Error> {
+    depth: u32,
+) -> Result<(Vec<u8>, String, String), reqwest::Error> {
    if url.len() == 0 {
-        return Ok((str!(), str!()));
+        // Provoke error
+        client.get("").send()?;
    }

-    let cache_key = clean_url(&url);
-
    if is_data_url(&url) {
-        Ok((url.to_string(), url.to_string()))
+        let (media_type, data) = data_url_to_data(url);
+        Ok((data, url.to_string(), media_type))
    } else if is_file_url(&url) {
        // Check if parent_url is also file:///
        // (if not, then we don't embed the asset)
        if !is_file_url(&parent_url) {
-            return Ok((str!(), str!()));
+            // Provoke error
+            client.get("").send()?;
        }

        let fs_file_path: String = file_url_to_fs_path(url);
        let path = Path::new(&fs_file_path);
-        let url_fragment = get_url_fragment(url);
        if path.exists() {
            if !opt_silent {
-                eprintln!("{}", &url);
+                eprintln!("{}{}", indent(depth).as_str(), &url);
            }

-            if as_data_url {
-                let data_url: String = data_to_data_url(
-                    &media_type,
-                    &fs::read(&fs_file_path).unwrap(),
-                    &fs_file_path,
-                    &url_fragment,
-                );
-                Ok((data_url, url.to_string()))
-            } else {
-                let data: String = fs::read_to_string(&fs_file_path).expect(url);
-                Ok((data, url.to_string()))
-            }
+            Ok((fs::read(&fs_file_path).expect(""), url.to_string(), str!()))
        } else {
-            Ok((str!(), url.to_string()))
+            // Provoke error
+            Err(client.get("").send().unwrap_err())
        }
    } else {
+        let cache_key: String = clean_url(&url);
+
        if cache.contains_key(&cache_key) {
-            // URL is in cache
+            // URL is in cache, we get and return it
            if !opt_silent {
-                eprintln!("{} (from cache)", &url);
+                eprintln!("{}{} (from cache)", indent(depth).as_str(), &url);
            }
-            let data = cache.get(&cache_key).unwrap();
-            Ok((data.to_string(), url.to_string()))
+
+            Ok((
+                cache.get(&cache_key).unwrap().to_vec(),
+                url.to_string(),
+                str!(),
+            ))
        } else {
-            // URL not in cache, we request it
+            // URL not in cache, we retrieve the file
            let mut response = client.get(url).send()?;
            let res_url = response.url().to_string();

            if !opt_silent {
                if url == res_url {
-                    eprintln!("{}", &url);
+                    eprintln!("{}{}", indent(depth).as_str(), &url);
                } else {
-                    eprintln!("{} -> {}", &url, &res_url);
+                    eprintln!("{}{} -> {}", indent(depth).as_str(), &url, &res_url);
                }
            }

-            let new_cache_key = clean_url(&res_url);
+            let new_cache_key: String = clean_url(&res_url);

-            if as_data_url {
-                // Convert response into a byte array
-                let mut data: Vec<u8> = vec![];
-                response.copy_to(&mut data)?;
+            // Convert response into a byte array
+            let mut data: Vec<u8> = vec![];
+            response.copy_to(&mut data)?;

-                // Attempt to obtain media type by reading the Content-Type header
-                let media_type = if media_type == "" {
-                    response
-                        .headers()
-                        .get(CONTENT_TYPE)
-                        .and_then(|header| header.to_str().ok())
-                        .unwrap_or(&media_type)
-                } else {
-                    media_type
-                };
-                let url_fragment = get_url_fragment(url);
-                let data_url = data_to_data_url(&media_type, &data, url, &url_fragment);
-                // Add to cache
-                cache.insert(new_cache_key, data_url.clone());
-                Ok((data_url, res_url))
-            } else {
-                let content = response.text().unwrap();
-                // Add to cache
-                cache.insert(new_cache_key, content.clone());
-                Ok((content, res_url))
-            }
+            // Attempt to obtain media type by reading the Content-Type header
+            let media_type = response
+                .headers()
+                .get(CONTENT_TYPE)
+                .and_then(|header| header.to_str().ok())
+                .unwrap_or("");
+
+            // Add to cache
+            cache.insert(new_cache_key, data.clone());
+
+            Ok((data, res_url, media_type.to_string()))
        }
    }
 }
Author	SHA1	Message	Date
Sunshine	03cdc0e0b2	Merge pull request #201 from snshn/refactor-and-version-bump Refactor and version bump	2020-07-14 03:51:31 -04:00
Sunshine	b98b7af0b4	Merge pull request #202 from snshn/minus-stdout Treat - for stdout	2020-07-14 03:51:18 -04:00
Sunshine	73c35eaccb	treat minus for output target file path as stdout	2020-07-14 03:35:59 -04:00
Sunshine	2c5d1e930b	bump version (2.2.7 -> 2.3.0)	2020-07-14 03:29:08 -04:00
Sunshine	90f7c3a0d0	alphabetical order for function names	2020-07-14 03:27:52 -04:00
Sunshine	c1fec5967d	Merge pull request #200 from snshn/favicon Automatically obtain favicon.ico	2020-07-14 03:24:10 -04:00
Sunshine	09d41d2cf1	automatically obtain favicon.ico	2020-07-14 02:58:29 -04:00
Sunshine	8f1da3c792	Update cd.yml	2020-07-13 19:09:01 -04:00
Sunshine	a8449a2b32	Update README.md	2020-07-13 01:16:38 -04:00
Sunshine	164e728ad3	Merge pull request #197 from snshn/addetional-black-box-test-data Additional black box test data	2020-07-06 16:51:49 -04:00
Sunshine	8883bd6aca	add more black box test data	2020-07-06 16:15:57 -04:00
Sunshine	eae5d4dc6b	Merge pull request #196 from snshn/help-message-update Update help message	2020-07-01 06:41:32 -04:00
Sunshine	ec85121d28	update help message	2020-07-01 06:29:56 -04:00
Sunshine	a8a85a4191	Merge pull request #195 from snshn/logo Logo	2020-07-01 06:24:28 -04:00
Sunshine	decd5b2119	add ASCII logo atop of help message	2020-07-01 06:13:58 -04:00
Sunshine	bef6d848e9	add raster icon along with its Blender scene	2020-07-01 05:54:48 -04:00
Sunshine	4263e42cd1	Merge pull request #194 from snshn/indented-tree Indented tree	2020-06-28 16:37:10 -04:00
Sunshine	23de5ced21	add tests for utils::indent()	2020-06-28 16:15:42 -04:00
Sunshine	bc98aca2a2	indent items in retrieval log to form a tree-like structure	2020-06-28 16:11:15 -04:00
Sunshine	438ebd520a	Merge pull request #193 from snshn/options-struct Pass options object instead of using separate parameters	2020-06-28 01:51:05 -04:00
Sunshine	ddb97009e9	pass options object instead of using separate parameters	2020-06-28 01:36:41 -04:00
Sunshine	6e67545b92	Merge pull request #192 from snshn/more-test-data Add more sample data for blackbox tests	2020-06-27 14:57:07 -04:00
Sunshine	9e5d8ec691	add more sample data for blackbox tests	2020-06-27 14:55:10 -04:00
Sunshine	fb835fae28	Merge pull request #191 from snshn/trim-style Trim CSS if it contains nothing but whitespaces	2020-06-26 23:41:41 -04:00
Sunshine	29bf042da0	trim CSS if it contains nothing but whitespaces	2020-06-26 23:26:55 -04:00
Sunshine	d67483cf8e	Merge pull request #190 from snshn/refactor-csp Refactor CSP code	2020-06-26 21:42:19 -04:00
Sunshine	4140d8ebad	Create references.md	2020-06-26 18:16:18 -04:00
Sunshine	2ac964fae5	include font-src into CSP	2020-06-26 18:14:46 -04:00
Sunshine	ae5d6d2df4	refactor CSP code	2020-06-26 16:19:44 -04:00
Sunshine	2ed151d883	Update web-apps.md	2020-06-26 15:05:47 -04:00
Sunshine	3cdfdc45d3	Update snapcraft.yaml	2020-06-26 14:57:52 -04:00
Sunshine	ac04af2cfc	Update ADR-0006	2020-06-26 14:44:54 -04:00
Sunshine	769953d7bd	Merge pull request #187 from snshn/arm-snapcraft Add armhf target to snapcraft.yaml	2020-06-26 14:40:46 -04:00
Sunshine	136dcc31cf	Merge pull request #189 from snshn/remove-unwanted-meta-tags Automatically remove "Refresh" and "Location" META tags	2020-06-26 01:29:41 -04:00
Sunshine	44cac65a83	automatically remove "Refresh" and "Location" META tags	2020-06-26 01:18:52 -04:00
Sunshine	c3ca2ad1d5	Merge pull request #188 from snshn/metadata-tag-function Move metadata tag code into a function	2020-06-25 18:31:50 -04:00
Sunshine	0347fd3985	move metadata tag code into a function	2020-06-25 18:23:56 -04:00
Sunshine	95d0083b3c	Update README.md	2020-06-25 17:38:39 -04:00
Sunshine	3ce26b5fdd	Merge pull request #186 from snshn/code-improvements Code improvements	2020-06-24 03:31:11 -04:00
Sunshine	7f9458adfe	add armhf target to snapcraft.yaml	2020-06-24 03:20:36 -04:00
Sunshine	5c229c51da	move functions related to URL manipulation into url.rs	2020-06-24 03:16:40 -04:00
Sunshine	f6ea16b3ad	create a separate function for appending URL fragments	2020-06-24 02:26:05 -04:00
Sunshine	877b11d52c	Merge pull request #185 from snshn/upd-crates Update crates	2020-06-20 03:41:00 -04:00
Sunshine	f9aac6f41b	update crates	2020-06-20 01:05:39 -04:00
Sunshine	0a30c286fe	add x86_64 GNU/Linux target to CD	2020-06-19 07:44:57 -04:00
Sunshine	ea56b9b4c1	Update README.md	2020-06-19 03:51:19 -04:00
Sunshine	e821591efe	Merge pull request #183 from snshn/update-readme-freebsd-instructions Add FreeBSD installation instructions to README.md	2020-06-18 22:26:56 -04:00
Sunshine	4e5d2fdc8d	Merge pull request #184 from snshn/update-readme-ascii Update README.md	2020-06-18 00:25:55 -04:00
Sunshine	7c2ed2c9ca	Update README.md	2020-06-18 00:19:16 -04:00
Sunshine	60d21ae071	Update README.md	2020-06-17 07:42:10 -04:00
Sunshine	bfdcd459e1	Update web-apps.md	2020-06-04 02:32:01 -04:00
Sunshine	6c020dfa88	Create web-apps.md	2020-06-04 02:31:41 -04:00
Sunshine	9894213393	Merge pull request #182 from snshn/version-bump Version bump	2020-06-01 05:48:08 -04:00
Sunshine	80523c5a59	version bump	2020-06-01 05:41:42 -04:00
Sunshine	65b5ff4ec0	Merge pull request #181 from snshn/only-remove-credentals-from-http-urls Only attempt to remove credentals from HTTP(S) URLs	2020-06-01 05:36:01 -04:00
Sunshine	4e31d0433e	only attempt to remove credentals from HTTP(S) URLs	2020-06-01 05:28:02 -04:00
Sunshine	ed82b96152	Merge pull request #179 from snshn/refine-adrs Refine ADRs	2020-05-25 00:41:38 -04:00
Sunshine	f16a2a9ed5	refine ADRs	2020-05-24 21:21:52 -04:00
Sunshine	38d7873d6e	Update 0004-asset-integrity-check.md	2020-05-24 21:10:35 -04:00
Sunshine	d848179a43	Merge pull request #124 from snshn/adr-integrity Propose ADR 0004: Asset integrity check	2020-05-24 06:24:26 -04:00
Sunshine	399f515eeb	Merge pull request #178 from snshn/tests-code-refactor Group all tests into either passing or failing groups	2020-05-24 03:46:34 -04:00
Sunshine	46616f327b	Merge pull request #177 from snshn/update-readme Update README.md	2020-05-24 03:46:21 -04:00
Sunshine	090d647390	group all tests into either passing or failing groups	2020-05-23 03:49:04 -04:00
Sunshine	4fa88b7aba	update README.md	2020-05-23 03:16:08 -04:00
Sunshine	3d678d80ee	Merge pull request #176 from snshn/img-srcset IMG srcset	2020-05-17 14:26:30 -04:00
Sunshine	19a87f426e	version bump	2020-05-17 14:06:55 -04:00
Sunshine	cbe3f9f554	implement support for embedding images within srcset	2020-05-17 14:06:44 -04:00
Sunshine	b6a44c64cf	Merge pull request #174 from snshn/armhf-cd Improve CD for compiling ARM binary asset	2020-05-12 03:31:37 -04:00
Sunshine	84e2dd789c	improve CD for compiling ARM binary asset	2020-05-12 03:29:32 -04:00
Sunshine	ac4945ca97	Merge pull request #173 from snshn/sha2-integrity Add asset integrity validation	2020-05-12 03:15:02 -04:00
Sunshine	2ca2c7aff8	version bump	2020-05-12 03:10:43 -04:00
Sunshine	a18df74946	refactor code and implement integrity validation	2020-05-12 02:51:37 -04:00
Sunshine	2bc8414cc1	Merge pull request #172 from snshn/update-metadata-comment improve metadata comments	2020-04-30 22:39:25 -04:00
Sunshine	c4569343a4	improve metadata comments	2020-04-30 20:23:09 -04:00
Sunshine	5f5820c71a	Merge pull request #168 from snshn/context-comment Metadata comment tag	2020-04-30 20:06:40 -04:00
Sunshine	4719a6fecf	Merge pull request #170 from snshn/svg-image-href Embed SVG IMAGE assets	2020-04-30 20:00:59 -04:00
Sunshine	c999359b9f	Merge branch 'context-comment' of github.com:Alch-Emi/monolith into context-comment	2020-04-30 19:54:13 -04:00
Sunshine	f22e2b6e68	embed SVG IMAGE assets	2020-04-30 19:51:30 -04:00
Sunshine	31a9550f5b	Merge pull request #171 from snshn/improve-ci-cd Add rustfmt installation step to CI	2020-04-30 19:51:04 -04:00
Sunshine	201f2d61b9	add rustfmt installation step to CI	2020-04-30 19:45:44 -04:00
Sunshine	3ae4dfae8e	Update README.md	2020-04-28 09:07:47 -04:00
Sunshine	7b095fe4ff	Merge pull request #167 from snshn/version-bump version bump	2020-04-25 03:50:10 -04:00
Sunshine	890bcb1bb6	version bump	2020-04-25 01:03:49 -04:00
Sunshine	aa97ea9f82	Merge pull request #165 from snshn/no-fonts Add flag for excluding web fonts	2020-04-22 09:16:30 -04:00
Sunshine	9b40dbbf27	add option to exclude web fonts	2020-04-22 09:11:20 -04:00
Sunshine	289f3e801b	Merge pull request #161 from snshn/cache-blob Store blobs instead of data URLs in cache	2020-04-19 13:33:03 -04:00
Sunshine	edacd09dc8	store blobs instead of data URLs in cache	2020-04-19 13:26:14 -04:00
Sunshine	5682863725	Merge pull request #164 from snshn/raspberry-pi-artifact-update Update GitHub Action for assembling ARM artifacts	2020-04-18 13:46:44 -04:00
Sunshine	4304d7a638	update GitHub Action for assembling ARM artifacts	2020-04-18 13:44:26 -04:00
Sunshine	f56f88da94	Merge pull request #91 from snshn/unwrap-noscript-if-no-js Propose ADR-0002 (NOSCRIPT nodes)	2020-04-16 23:24:30 -04:00
Sunshine	87c8b361ea	add ADR-0002 (NOSCRIPT nodes)	2020-04-16 23:24:03 -04:00
Sunshine	cd505ddb6c	Merge pull request #163 from snshn/proper-css-ident-escaping Escape all special chars within #id and .class CSS selectors	2020-04-11 18:33:41 -04:00
Sunshine	eeea617fb1	escape all special chars within #id and .class CSS selectors	2020-04-11 17:50:23 -04:00
Sunshine	cc6dbddb49	Merge pull request #162 from snshn/colons-in-css-class-names Escape colons within CSS idents	2020-04-10 21:20:37 -04:00
Sunshine	9d3df2cdc6	escape colons within CSS idents	2020-04-10 20:59:56 -04:00
Sunshine	ab601c3830	Merge pull request #160 from snshn/more-css-image-url-detection-props Treat url()'s found in @counter-style rules as images	2020-04-10 07:28:55 -04:00
Sunshine	3738be2b6d	treat url()'s found in @counter-style rules as images	2020-04-10 07:22:02 -04:00
Sunshine	53160f01c7	Merge pull request #159 from snshn/implement-data-url-media-type-detection Improve data URL media type detection	2020-04-10 06:04:49 -04:00
Sunshine	594ad55bd8	improve data URL media type detection	2020-04-10 05:50:33 -04:00
Sunshine	d2615f51dc	Merge pull request #158 from snshn/improve-data-url-support Improve parsing of data URLs	2020-04-10 01:49:34 -04:00
Sunshine	c097733ae7	improve parsing of data URLs	2020-04-09 20:27:07 -04:00
Sunshine	67d4b7dafc	Merge pull request #157 from snshn/2-2-3 Upgrade base64 crate & version bump (2.2.2 → 2.2.3)	2020-04-08 19:56:24 -04:00
Sunshine	b1d6bbce0c	upgrade base64 crate & version bump (2.2.2 → 2.2.3)	2020-04-08 19:49:46 -04:00
Sunshine	20124f4891	Merge pull request #156 from snshn/raspberry-pi-artifact Make the pipeline build and upload armhf executable with every new release	2020-04-08 19:40:41 -04:00
Sunshine	0dd540afaf	make the pipeline build and upload armhf executable with every new release	2020-04-08 19:29:17 -04:00
Sunshine	df71083359	Merge pull request #155 from snshn/fix-css-unit-sign-bug Fix css unit sign bug	2020-04-08 18:19:32 -04:00
Sunshine	349c7bb3ea	properly parse negative units in CSS	2020-04-08 18:07:39 -04:00
Sunshine	5a30c6b44b	Merge branch 'master' of github.com:snshn/monolith	2020-04-08 10:53:29 -04:00
Sunshine	929924accd	Merge pull request #153 from snshn/proper-quotation-marks use proper quotation marks in the README	2020-04-05 16:25:40 -04:00
Sunshine	812b46960c	use proper quotation marks in the README	2020-04-05 16:24:18 -04:00
Sunshine	874080dbda	Merge pull request #152 from snshn/separate-ci-build-jobs Separate OS build jobs	2020-04-05 15:34:21 -04:00
Sunshine	93dd9d4ed4	separate build job per OS	2020-04-05 15:32:25 -04:00
Sunshine	3f0ced0143	Merge pull request #151 from snshn/2-2-2 version bump (2.2.1 → 2.2.2)	2020-04-05 14:44:48 -04:00
Sunshine	8112ab6d04	version bump (2.2.1 → 2.2.2)	2020-04-05 14:38:40 -04:00
Sunshine	e5fc05f5cd	Merge pull request #150 from snshn/cd-windows-executable Make the pipeline upload windows build to every new release	2020-04-05 14:35:44 -04:00
Sunshine	1068ff659a	make the pipeline upload windows build to every new release	2020-04-05 14:29:06 -04:00
Sunshine	d4d9bbe424	update cd.yml	2020-04-04 22:12:35 -04:00
Sunshine	cf3a8c8ede	Merge pull request #149 from snshn/remove-travis-ci-and-appveyor Remove TravisCI and AppVeyor from the project	2020-04-04 19:38:03 -04:00
Sunshine	920d992459	remove TravisCI and AppVeyor from the project	2020-04-04 19:26:58 -04:00
Sunshine	c61b3ba858	Merge pull request #148 from snshn/github-actions-build Improve GitHub Actions integration	2020-04-04 19:14:52 -04:00
Sunshine	dc6e564ea2	integrate GitHub Actions CI further	2020-04-04 19:05:49 -04:00
Sunshine	24536b5e18	Merge pull request #147 from Y2Z/github-actions-ci Implement CI using GitHub Actions	2020-04-04 17:51:28 -04:00
Sunshine	908fd59019	Update ci.yml	2020-04-04 17:08:19 -04:00
Sunshine	a19aa37ea8	Merge pull request #145 from snshn/no-images-svg Empty SVG nodes when excluding images	2020-04-04 15:55:26 -04:00
Sunshine	c46bd5900b	Merge pull request #146 from snshn/image-map-area-href Resolve hrefs of <area> image-map tags	2020-04-04 15:51:45 -04:00
Sunshine	5f98ed23b3	set autocrlf to false to let windows builds pass	2020-04-04 15:42:53 -04:00
Sunshine	c6b135398a	Implement CI using GitHub Actions	2020-04-04 15:30:13 -04:00
Sunshine	791e44796e	resolve hrefs of <area> image-map tags	2020-04-04 14:55:45 -04:00
Sunshine	b428dd8471	Merge pull request #144 from snshn/macros-unit-test Implement unit tests for macros	2020-04-04 13:11:19 -04:00
Sunshine	b88479446c	implement unit tests for macros	2020-04-04 08:21:41 -04:00
Sunshine	1d6217ef5a	empty SVG nodes if --no-images	2020-04-03 21:56:46 -04:00
Sunshine	746c7f05de	Merge pull request #143 from snshn/embed-input-images Add support for image inputs	2020-04-03 04:12:06 -04:00
Sunshine	29836d979a	add support for image inputs	2020-04-03 03:30:52 -04:00
Sunshine	5ba6e33fa8	Merge pull request #142 from snshn/robatipoors-improvements Revamp is_icon() and get_node_name()	2020-04-03 01:39:45 -04:00
Sunshine	643c4ce7ef	implement improvements suggested by @robatipoor	2020-04-03 00:00:08 -04:00
Sunshine	c011f90b76	Merge pull request #141 from snshn/update-help-dialog Update help dialog	2020-04-02 22:49:59 -04:00
Sunshine	875481b9a2	update help dialog	2020-04-02 03:04:21 -04:00
Sunshine	8fbae735fa	add ADR 0004: Asset integrity check	2020-02-23 23:15:32 -05:00
Emi Simpson	05985583f0	Switch timestamps from rfc822 local time to iso8601 UTC	2020-01-10 14:30:35 -05:00
Emi Simpson	651fa716b4	Clean user, pass, and fragment from URL before writing	2020-01-10 14:18:15 -05:00
Emi Simpson	9be3982dc6	Added --no-context flag to disable adding context comment	2020-01-08 19:00:53 -05:00
Emi Simpson	27c9fb4cd3	Added comment indicating the context under which the page was downloaded	2020-01-08 18:51:18 -05:00