ruff/crates/ruff_python_parser/src/parser/tests.rs
2025-05-16 13:25:28 +02:00

136 lines
2.4 KiB
Rust

use crate::{Mode, ParseOptions, parse, parse_expression, parse_module};
#[test]
fn test_modes() {
let source = "a[0][1][2][3][4]";
assert!(parse(source, ParseOptions::from(Mode::Expression)).is_ok());
assert!(parse(source, ParseOptions::from(Mode::Module)).is_ok());
}
#[test]
fn test_expr_mode_invalid_syntax1() {
let source = "first second";
let error = parse_expression(source).unwrap_err();
insta::assert_debug_snapshot!(error);
}
#[test]
fn test_expr_mode_invalid_syntax2() {
let source = r"first
second
";
let error = parse_expression(source).unwrap_err();
insta::assert_debug_snapshot!(error);
}
#[test]
fn test_expr_mode_invalid_syntax3() {
let source = r"first
second
third
";
let error = parse_expression(source).unwrap_err();
insta::assert_debug_snapshot!(error);
}
#[test]
fn test_expr_mode_valid_syntax() {
let source = "first
";
let parsed = parse_expression(source).unwrap();
insta::assert_debug_snapshot!(parsed.expr());
}
#[test]
fn test_unicode_aliases() {
// https://github.com/RustPython/RustPython/issues/4566
let source = r#"x = "\N{BACKSPACE}another cool trick""#;
let suite = parse_module(source).unwrap().into_suite();
insta::assert_debug_snapshot!(suite);
}
#[test]
fn test_ipython_escape_commands() {
let parsed = parse(
r"
# Normal Python code
(
a
%
b
)
# Dynamic object info
??a.foo
?a.foo
?a.foo?
??a.foo()??
# Line magic
%timeit a = b
%timeit foo(b) % 3
%alias showPath pwd && ls -a
%timeit a =\
foo(b); b = 2
%matplotlib --inline
%matplotlib \
--inline
# System shell access
!pwd && ls -a | sed 's/^/\ /'
!pwd \
&& ls -a | sed 's/^/\\ /'
!!cd /Users/foo/Library/Application\ Support/
# Let's add some Python code to make sure that earlier escapes were handled
# correctly and that we didn't consume any of the following code as a result
# of the escapes.
def foo():
return (
a
!=
b
)
# Transforms into `foo(..)`
/foo 1 2
;foo 1 2
,foo 1 2
# Indented escape commands
for a in range(5):
!ls
p1 = !pwd
p2: str = !pwd
foo = %foo \
bar
% foo
foo = %foo # comment
# Help end line magics
foo?
foo.bar??
foo.bar.baz?
foo[0]??
foo[0][1]?
foo.bar[0].baz[1]??
foo.bar[0].baz[2].egg??
"
.trim(),
ParseOptions::from(Mode::Ipython),
)
.unwrap();
insta::assert_debug_snapshot!(parsed.syntax());
}