ruff/crates/ruff_python_ast/tests/parenthesize.rs

77 lines
2.3 KiB
Rust

use ruff_python_ast::parenthesize::parenthesized_range;
use ruff_python_parser::parse_expression;
#[test]
fn test_parenthesized_name() {
let source_code = r#"(x) + 1"#;
let expr = parse_expression(source_code, "<filename>").unwrap();
let bin_op = expr.as_bin_op_expr().unwrap();
let name = bin_op.left.as_ref();
let parenthesized = parenthesized_range(name.into(), bin_op.into(), source_code);
assert!(parenthesized.is_some());
}
#[test]
fn test_non_parenthesized_name() {
let source_code = r#"x + 1"#;
let expr = parse_expression(source_code, "<filename>").unwrap();
let bin_op = expr.as_bin_op_expr().unwrap();
let name = bin_op.left.as_ref();
let parenthesized = parenthesized_range(name.into(), bin_op.into(), source_code);
assert!(parenthesized.is_none());
}
#[test]
fn test_parenthesized_argument() {
let source_code = r#"f((a))"#;
let expr = parse_expression(source_code, "<filename>").unwrap();
let call = expr.as_call_expr().unwrap();
let arguments = &call.arguments;
let argument = arguments.args.first().unwrap();
let parenthesized = parenthesized_range(argument.into(), arguments.into(), source_code);
assert!(parenthesized.is_some());
}
#[test]
fn test_non_parenthesized_argument() {
let source_code = r#"f(a)"#;
let expr = parse_expression(source_code, "<filename>").unwrap();
let call = expr.as_call_expr().unwrap();
let arguments = &call.arguments;
let argument = arguments.args.first().unwrap();
let parenthesized = parenthesized_range(argument.into(), arguments.into(), source_code);
assert!(parenthesized.is_none());
}
#[test]
fn test_parenthesized_tuple_member() {
let source_code = r#"(a, (b))"#;
let expr = parse_expression(source_code, "<filename>").unwrap();
let tuple = expr.as_tuple_expr().unwrap();
let member = tuple.elts.last().unwrap();
let parenthesized = parenthesized_range(member.into(), tuple.into(), source_code);
assert!(parenthesized.is_some());
}
#[test]
fn test_non_parenthesized_tuple_member() {
let source_code = r#"(a, b)"#;
let expr = parse_expression(source_code, "<filename>").unwrap();
let tuple = expr.as_tuple_expr().unwrap();
let member = tuple.elts.last().unwrap();
let parenthesized = parenthesized_range(member.into(), tuple.into(), source_code);
assert!(parenthesized.is_none());
}