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fix(ERA001): detect commented out case statements, add more one-line support #10055

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merged 5 commits into from Feb 20, 2024
Merged

fix(ERA001): detect commented out case statements, add more one-line support #10055

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28160b2
add case: to ERA
ottaviohartman Feb 20, 2024
20950cf
add to ERA001.py
ottaviohartman Feb 20, 2024
2ec5573
add one-line tests and insta
ottaviohartman Feb 20, 2024
4e1d2bf
remove one-line
ottaviohartman Feb 20, 2024
babbe5a
fix
ottaviohartman Feb 20, 2024
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2 changes: 2 additions & 0 deletions crates/ruff_linter/resources/test/fixtures/eradicate/ERA001.py
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Expand Up @@ -28,3 +28,5 @@ class A():
}

#import os # noqa

# case 1:
5 changes: 4 additions & 1 deletion crates/ruff_linter/src/rules/eradicate/detection.rs
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Expand Up @@ -26,7 +26,7 @@ static HASH_NUMBER: Lazy<Regex> = Lazy::new(|| Regex::new(r"#\d").unwrap());
static POSITIVE_CASES: Lazy<RegexSet> = Lazy::new(|| {
RegexSet::new([
// Keywords
r"^(?:elif\s+.*\s*:|else\s*:|try\s*:|finally\s*:|except\s+.*\s*:)$",
r"^(?:elif\s+.*\s*:|else\s*:|try\s*:|finally\s*:|except\s+.*\s*|case\s+.*\s*:)$",
// Partial dictionary
r#"^['"]\w+['"]\s*:.+[,{]\s*(#.*)?$"#,
// Multiline assignment
Expand Down Expand Up @@ -155,11 +155,14 @@ mod tests {
assert!(comment_contains_code("#elif True:", &[]));
assert!(comment_contains_code("#x = foo(", &[]));
assert!(comment_contains_code("#except Exception:", &[]));
assert!(comment_contains_code("# case 1:", &[]));
assert!(comment_contains_code("#case 1:", &[]));

assert!(!comment_contains_code("# this is = to that :(", &[]));
assert!(!comment_contains_code("#else", &[]));
assert!(!comment_contains_code("#or else:", &[]));
assert!(!comment_contains_code("#else True:", &[]));
assert!(!comment_contains_code("# in that case:", &[]));

// Unpacking assignments
assert!(comment_contains_code(
Expand Down
3 changes: 2 additions & 1 deletion crates/ruff_linter/src/rules/eradicate/rules/commented_out_code.rs
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Expand Up @@ -47,7 +47,8 @@ fn is_standalone_comment(line: &str) -> bool {
for char in line.chars() {
if char == '#' {
return true;
} else if !char.is_whitespace() {
}
if !char.is_whitespace() {
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Was this change intentional? Just checking.

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Yes, but I can revert! Just was a style lint in VSCode

return false;
}
}
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13 changes: 13 additions & 0 deletions ...src/rules/eradicate/snapshots/ruff_linter__rules__eradicate__tests__ERA001_ERA001.py.snap
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Expand Up @@ -148,4 +148,17 @@ ERA001.py:27:5: ERA001 Found commented-out code
29 28 |
30 29 | #import os # noqa

ERA001.py:32:1: ERA001 Found commented-out code
|
30 | #import os # noqa
31 |
32 | # case 1:
| ^^^^^^^^^ ERA001
|
= help: Remove commented-out code

ℹ Display-only fix
29 29 |
30 30 | #import os # noqa
31 31 |
32 |-# case 1: