Add complex Python requirement scenarios (#1041)

Follows #1011 with some more scenarios

crates/puffin/tests/pip_compile_scenarios.rs

@@ -1,7 +1,7 @@
 //! DO NOT EDIT
 //!
 //! Generated with ./scripts/scenarios/update.py
-//! Scenarios from <https://github.com/zanieb/packse/tree/9a836122ad43eb9c8115ef09f3beb7779512cd78/scenarios>
+//! Scenarios from <https://github.com/zanieb/packse/tree/78f34eec66acfba9c723285764dc1f4b841f4961/scenarios>
 //!
 #![cfg(all(feature = "python", feature = "pypi"))]
 
@@ -16,14 +16,14 @@ use common::{create_venv, BIN_NAME, INSTA_FILTERS};
 
 mod common;
 
-/// requires-python-version-greater-than-current-resolver-override
+/// requires-incompatible-python-version-compatible-override
 ///
 /// The user requires a package which requires a Python version greater than the
 /// current version, but they use an alternative Python version for package
 /// resolution.
 ///
 /// ```text
-/// b6505624
+/// 818d78ce
 /// ├── environment
 /// │   └── python3.9
 /// ├── root
@@ -34,18 +34,18 @@ mod common;
 ///         └── requires python>=3.10 (incompatible with environment)
 /// ```
 #[test]
-fn requires_python_version_greater_than_current_resolver_override() -> Result<()> {
+fn requires_incompatible_python_version_compatible_override() -> Result<()> {
     let temp_dir = assert_fs::TempDir::new()?;
     let cache_dir = assert_fs::TempDir::new()?;
     let venv = create_venv(&temp_dir, &cache_dir, "python3.9");
 
     // In addition to the standard filters, swap out package names for more realistic messages
     let mut filters = INSTA_FILTERS.to_vec();
-    filters.push((r"a-b6505624", "albatross"));
+    filters.push((r"a-818d78ce", "albatross"));
-    filters.push((r"-b6505624", ""));
+    filters.push((r"-818d78ce", ""));
 
     let requirements_in = temp_dir.child("requirements.in");
-    requirements_in.write_str("a-b6505624==1.0.0")?;
+    requirements_in.write_str("a-818d78ce==1.0.0")?;
 
     insta::with_settings!({
         filters => filters
@@ -76,3 +76,262 @@ fn requires_python_version_greater_than_current_resolver_override() -> Result<()
 
     Ok(())
 }
+
+/// requires-compatible-python-version-incompatible-override
+///
+/// The user requires a package which requires a compatible Python version, but they
+/// request an incompatible Python version for package resolution.
+///
+/// ```text
+/// e94b8bc2
+/// ├── environment
+/// │   └── python3.11
+/// ├── root
+/// │   └── requires a==1.0.0
+/// │       └── satisfied by a-1.0.0
+/// └── a
+///     └── a-1.0.0
+///         └── requires python>=3.10
+/// ```
+#[test]
+fn requires_compatible_python_version_incompatible_override() -> Result<()> {
+    let temp_dir = assert_fs::TempDir::new()?;
+    let cache_dir = assert_fs::TempDir::new()?;
+    let venv = create_venv(&temp_dir, &cache_dir, "python3.11");
+
+    // In addition to the standard filters, swap out package names for more realistic messages
+    let mut filters = INSTA_FILTERS.to_vec();
+    filters.push((r"a-e94b8bc2", "albatross"));
+    filters.push((r"-e94b8bc2", ""));
+
+    let requirements_in = temp_dir.child("requirements.in");
+    requirements_in.write_str("a-e94b8bc2==1.0.0")?;
+
+    insta::with_settings!({
+        filters => filters
+    }, {
+        assert_cmd_snapshot!(Command::new(get_cargo_bin(BIN_NAME))
+            .arg("pip")
+            .arg("compile")
+            .arg("requirements.in")
+            .arg("--python-version=3.9")
+            .arg("--extra-index-url")
+            .arg("https://test.pypi.org/simple")
+            .arg("--cache-dir")
+            .arg(cache_dir.path())
+            .env("VIRTUAL_ENV", venv.as_os_str())
+            .env("PUFFIN_NO_WRAP", "1")
+            .current_dir(&temp_dir), @r###"
+        success: false
+        exit_code: 1
+        ----- stdout -----
+
+        ----- stderr -----
+          × No solution found when resolving dependencies:
+          ╰─▶ Because the requested Python version (3.9.18) does not satisfy Python>=3.10 and albatross==1.0.0 depends on Python>=3.10, we can conclude that albatross==1.0.0 cannot be used.
+              And because you require albatross==1.0.0 we can conclude that the requirements are unsatisfiable.
+        "###);
+    });
+
+    Ok(())
+}
+
+/// requires-incompatible-python-version-compatible-override-no-wheels
+///
+/// The user requires a package which requires a incompatible Python version, but
+/// they request a compatible Python version for package resolution. There are only
+/// source distributions available for the package.
+///
+/// ```text
+/// 367303df
+/// ├── environment
+/// │   └── python3.9
+/// ├── root
+/// │   └── requires a==1.0.0
+/// │       └── satisfied by a-1.0.0
+/// └── a
+///     └── a-1.0.0
+///         └── requires python>=3.10 (incompatible with environment)
+/// ```
+#[test]
+fn requires_incompatible_python_version_compatible_override_no_wheels() -> Result<()> {
+    let temp_dir = assert_fs::TempDir::new()?;
+    let cache_dir = assert_fs::TempDir::new()?;
+    let venv = create_venv(&temp_dir, &cache_dir, "python3.9");
+
+    // In addition to the standard filters, swap out package names for more realistic messages
+    let mut filters = INSTA_FILTERS.to_vec();
+    filters.push((r"a-367303df", "albatross"));
+    filters.push((r"-367303df", ""));
+
+    let requirements_in = temp_dir.child("requirements.in");
+    requirements_in.write_str("a-367303df==1.0.0")?;
+
+    // Since there are no wheels for the package and it is not compatible with the
+    // local installation, we cannot build the source distribution to determine its
+    // dependencies.
+    insta::with_settings!({
+        filters => filters
+    }, {
+        assert_cmd_snapshot!(Command::new(get_cargo_bin(BIN_NAME))
+            .arg("pip")
+            .arg("compile")
+            .arg("requirements.in")
+            .arg("--python-version=3.11")
+            .arg("--extra-index-url")
+            .arg("https://test.pypi.org/simple")
+            .arg("--cache-dir")
+            .arg(cache_dir.path())
+            .env("VIRTUAL_ENV", venv.as_os_str())
+            .env("PUFFIN_NO_WRAP", "1")
+            .current_dir(&temp_dir), @r###"
+        success: false
+        exit_code: 1
+        ----- stdout -----
+
+        ----- stderr -----
+          × No solution found when resolving dependencies:
+          ╰─▶ Because the current Python version (3.9.18) does not satisfy Python>=3.10 and albatross==1.0.0 depends on Python>=3.10, we can conclude that albatross==1.0.0 cannot be used.
+              And because you require albatross==1.0.0 we can conclude that the requirements are unsatisfiable.
+        "###);
+    });
+
+    Ok(())
+}
+
+/// requires-incompatible-python-version-compatible-override-no-compatible-wheels
+///
+/// The user requires a package which requires a incompatible Python version, but
+/// they request a compatible Python version for package resolution. There is a
+/// wheel available for the package, but it does not have a compatible tag.
+///
+/// ```text
+/// 7d66d27e
+/// ├── environment
+/// │   └── python3.9
+/// ├── root
+/// │   └── requires a==1.0.0
+/// │       └── satisfied by a-1.0.0
+/// └── a
+///     └── a-1.0.0
+///         └── requires python>=3.10 (incompatible with environment)
+/// ```
+#[test]
+fn requires_incompatible_python_version_compatible_override_no_compatible_wheels() -> Result<()> {
+    let temp_dir = assert_fs::TempDir::new()?;
+    let cache_dir = assert_fs::TempDir::new()?;
+    let venv = create_venv(&temp_dir, &cache_dir, "python3.9");
+
+    // In addition to the standard filters, swap out package names for more realistic messages
+    let mut filters = INSTA_FILTERS.to_vec();
+    filters.push((r"a-7d66d27e", "albatross"));
+    filters.push((r"-7d66d27e", ""));
+
+    let requirements_in = temp_dir.child("requirements.in");
+    requirements_in.write_str("a-7d66d27e==1.0.0")?;
+
+    // Since there are no compatible wheels for the package and it is not compatible
+    // with the local installation, we cannot build the source distribution to
+    // determine its dependencies.
+    insta::with_settings!({
+        filters => filters
+    }, {
+        assert_cmd_snapshot!(Command::new(get_cargo_bin(BIN_NAME))
+            .arg("pip")
+            .arg("compile")
+            .arg("requirements.in")
+            .arg("--python-version=3.11")
+            .arg("--extra-index-url")
+            .arg("https://test.pypi.org/simple")
+            .arg("--cache-dir")
+            .arg(cache_dir.path())
+            .env("VIRTUAL_ENV", venv.as_os_str())
+            .env("PUFFIN_NO_WRAP", "1")
+            .current_dir(&temp_dir), @r###"
+        success: false
+        exit_code: 2
+        ----- stdout -----
+
+        ----- stderr -----
+        error: Package `albatross` was not found in the registry.
+        "###);
+    });
+
+    Ok(())
+}
+
+/// requires-incompatible-python-version-compatible-override-other-wheel
+///
+/// The user requires a package which requires a incompatible Python version, but
+/// they request a compatible Python version for package resolution. There are only
+/// source distributions available for the compatible version of the package, but
+/// there is an incompatible version with a wheel available.
+///
+/// ```text
+/// 47c905cb
+/// ├── environment
+/// │   └── python3.9
+/// ├── root
+/// │   └── requires a
+/// │       ├── satisfied by a-1.0.0
+/// │       └── satisfied by a-2.0.0
+/// └── a
+///     ├── a-1.0.0
+///     │   └── requires python>=3.10 (incompatible with environment)
+///     └── a-2.0.0
+///         └── requires python>=3.12 (incompatible with environment)
+/// ```
+#[test]
+fn requires_incompatible_python_version_compatible_override_other_wheel() -> Result<()> {
+    let temp_dir = assert_fs::TempDir::new()?;
+    let cache_dir = assert_fs::TempDir::new()?;
+    let venv = create_venv(&temp_dir, &cache_dir, "python3.9");
+
+    // In addition to the standard filters, swap out package names for more realistic messages
+    let mut filters = INSTA_FILTERS.to_vec();
+    filters.push((r"a-47c905cb", "albatross"));
+    filters.push((r"-47c905cb", ""));
+
+    let requirements_in = temp_dir.child("requirements.in");
+    requirements_in.write_str("a-47c905cb")?;
+
+    // Since there are no wheels for the version of the package compatible with the
+    // target and it is not compatible with the local installation, we cannot build the
+    // source distribution to determine its dependencies. The other version has wheels
+    // available, but is not compatible with the target version and cannot be used.
+    insta::with_settings!({
+        filters => filters
+    }, {
+        assert_cmd_snapshot!(Command::new(get_cargo_bin(BIN_NAME))
+            .arg("pip")
+            .arg("compile")
+            .arg("requirements.in")
+            .arg("--python-version=3.11")
+            .arg("--extra-index-url")
+            .arg("https://test.pypi.org/simple")
+            .arg("--cache-dir")
+            .arg(cache_dir.path())
+            .env("VIRTUAL_ENV", venv.as_os_str())
+            .env("PUFFIN_NO_WRAP", "1")
+            .current_dir(&temp_dir), @r###"
+        success: false
+        exit_code: 1
+        ----- stdout -----
+
+        ----- stderr -----
+          × No solution found when resolving dependencies:
+          ╰─▶ Because the current Python version (3.9.18) does not satisfy Python>=3.10 and albatross==1.0.0 depends on Python>=3.10, we can conclude that albatross==1.0.0 cannot be used.
+              And because there are no versions of albatross that satisfy any of:
+                  albatross<1.0.0
+                  albatross>1.0.0,<2.0.0
+                  albatross>2.0.0
+              we can conclude that albatross<2.0.0 cannot be used. (1)
+
+              Because the requested Python version (3.11.6) does not satisfy Python>=3.12 and albatross==2.0.0 depends on Python>=3.12, we can conclude that albatross==2.0.0 cannot be used.
+              And because we know from (1) that albatross<2.0.0 cannot be used, we can conclude that all versions of albatross cannot be used.
+              And because you require albatross we can conclude that the requirements are unsatisfiable.
+        "###);
+    });
+
+    Ok(())
+}

crates/puffin/tests/pip_install_scenarios.rs

@@ -1,7 +1,7 @@
 //! DO NOT EDIT
 //!
 //! Generated with ./scripts/scenarios/update.py
-//! Scenarios from <https://github.com/zanieb/packse/tree/9a836122ad43eb9c8115ef09f3beb7779512cd78/scenarios>
+//! Scenarios from <https://github.com/zanieb/packse/tree/78f34eec66acfba9c723285764dc1f4b841f4961/scenarios>
 //!
 #![cfg(all(feature = "python", feature = "pypi"))]
 

scripts/scenarios/update.py

@@ -46,7 +46,7 @@ import textwrap
 from pathlib import Path
 
 
-PACKSE_COMMIT = "9a836122ad43eb9c8115ef09f3beb7779512cd78"
+PACKSE_COMMIT = "78f34eec66acfba9c723285764dc1f4b841f4961"
 TOOL_ROOT = Path(__file__).parent
 TEMPLATES = TOOL_ROOT / "templates"
 INSTALL_TEMPLATE = TEMPLATES / "install.mustache"