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Code Issues Packages 1 Wiki Activity

fix(fmt): error instead of panic on unstable format (#26859)

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David Sherret 2024-11-13 10:39:40 -05:00 committed by GitHub
parent f091d1ad69
commit 6b5cb41545
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GPG key ID: B5690EEEBB952194
1 changed files with 28 additions and 20 deletions
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48
cli/tools/fmt.rs
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@ -790,28 +790,26 @@ fn format_ensure_stable(
return Ok(Some(current_text)); return Ok(Some(current_text));
} }
Err(err) => { Err(err) => {
panic!( bail!(
concat!( concat!(
"Formatting succeeded initially, but failed when ensuring a ", "Formatting succeeded initially, but failed when ensuring a ",
"stable format. This indicates a bug in the formatter where ", "stable format. This indicates a bug in the formatter where ",
"the text it produces is not syntactically correct. As a temporary ", "the text it produces is not syntactically correct. As a temporary ",
"workaround you can ignore this file ({}).\n\n{:#}" "workaround you can ignore this file.\n\n{:#}"
), ),
file_path.display(),
err, err,
) )
} }
} }
count += 1; count += 1;
if count == 5 { if count == 5 {
panic!( bail!(
concat!( concat!(
"Formatting not stable. Bailed after {} tries. This indicates a bug ", "Formatting not stable. Bailed after {} tries. This indicates a bug ",
"in the formatter where it formats the file ({}) differently each time. As a ", "in the formatter where it formats the file differently each time. As a ",
"temporary workaround you can ignore this file." "temporary workaround you can ignore this file."
), ),
count, count,
file_path.display(),
) )
} }
} }
@ -1215,6 +1213,8 @@ fn is_supported_ext_fmt(path: &Path) -> bool {
#[cfg(test)] #[cfg(test)]
mod test { mod test {
use test_util::assert_starts_with;
use super::*; use super::*;
#[test] #[test]
@ -1270,12 +1270,16 @@ mod test {
} }
#[test] #[test]
#[should_panic(expected = "Formatting not stable. Bailed after 5 tries.")]
fn test_format_ensure_stable_unstable_format() { fn test_format_ensure_stable_unstable_format() {
format_ensure_stable(&PathBuf::from("mod.ts"), "1", |_, file_text| { let err =
Ok(Some(format!("1{file_text}"))) format_ensure_stable(&PathBuf::from("mod.ts"), "1", |_, file_text| {
}) Ok(Some(format!("1{file_text}")))
.unwrap(); })
.unwrap_err();
assert_starts_with!(
err.to_string(),
"Formatting not stable. Bailed after 5 tries."
);
} }
#[test] #[test]
@ -1289,16 +1293,20 @@ mod test {
} }
#[test] #[test]
#[should_panic(expected = "Formatting succeeded initially, but failed when")]
fn test_format_ensure_stable_error_second() { fn test_format_ensure_stable_error_second() {
format_ensure_stable(&PathBuf::from("mod.ts"), "1", |_, file_text| { let err =
if file_text == "1" { format_ensure_stable(&PathBuf::from("mod.ts"), "1", |_, file_text| {
Ok(Some("11".to_string())) if file_text == "1" {
} else { Ok(Some("11".to_string()))
bail!("Error formatting.") } else {
} bail!("Error formatting.")
}) }
.unwrap(); })
.unwrap_err();
assert_starts_with!(
err.to_string(),
"Formatting succeeded initially, but failed when"
);
} }
#[test] #[test]