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Auto merge of #2391 - RalfJung:stderr, r=oli-obk

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on an error, always print the unnormalized stderr

Currently we skip this if a stderr diff was printed, but the stderr diff is normalized, so e.g. one cannot learn line numbers from it.

Is there a way to get the diff to only print the parts the differ, like a usual `diff -u`? Currently it always seems to print the full output, so with a long stderr we now get doubly long test results even if the diff is actually rather small.
This commit is contained in:
bors 2022-07-20 12:39:21 +00:00
commit 0844e46049
1 changed files with 6 additions and 13 deletions
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15
ui_test/src/lib.rs
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@ -164,15 +164,14 @@ pub fn run_tests(config: Config) -> Result<()> {
if !failures.is_empty() {
for (path, miri, revision, errors, stderr) in &failures {
eprintln!();
eprint!("{}", path.display().to_string().underline());
eprint!("{}", path.display().to_string().underline().bold());
if !revision.is_empty() {
eprint!(" (revision `{}`)", revision);
}
eprint!(" {}", "FAILED".red());
eprint!(" {}", "FAILED:".red().bold());
eprintln!();
eprintln!("command: {:?}", miri);
eprintln!();
let mut dump_stderr = true;
for error in errors {
match error {
Error::ExitStatus(mode, exit_status) => eprintln!("{mode:?} got {exit_status}"),
@ -194,9 +193,6 @@ pub fn run_tests(config: Config) -> Result<()> {
Error::PatternFoundInPassTest =>
eprintln!("{}", "error pattern found in success test".red()),
Error::OutputDiffers { path, actual, expected } => {
if path.extension().unwrap() == "stderr" {
dump_stderr = false;
}
eprintln!("actual output differed from expected {}", path.display());
eprintln!("{}", pretty_assertions::StrComparison::new(expected, actual));
eprintln!()
@ -223,14 +219,11 @@ pub fn run_tests(config: Config) -> Result<()> {
}
eprintln!();
}
// Unless we already dumped the stderr via an OutputDiffers diff, let's dump it here.
if dump_stderr {
eprintln!("actual stderr:");
eprintln!("full stderr:");
eprintln!("{}", stderr);
eprintln!();
}
}
eprintln!("{}", "failures:".red().underline());
eprintln!("{}", "FAILURES:".red().underline().bold());
for (path, _miri, _revision, _errors, _stderr) in &failures {
eprintln!(" {}", path.display());
}