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Improve error messages when running rustdoc GUI tests #100403

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merged 2 commits into from
Aug 11, 2022
Merged

Improve error messages when running rustdoc GUI tests #100403

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a72f0c2
Add instructions on how to update the browser-ui-test version
GuillaumeGomez Aug 11, 2022
46af79c
Improve error message when browser-ui-test crashes
GuillaumeGomez Aug 11, 2022
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5 changes: 5 additions & 0 deletions src/bootstrap/test.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -924,6 +924,11 @@ fn compare_browser_ui_test_version(installed_version: &str, src: &Path) {
one used in the CI (`{}`)",
installed_version, v
);
eprintln!(
"You can install this version using `npm update browser-ui-test` or by using \
`npm install browser-ui-test@{}`",
v,
);
}
}
Err(e) => eprintln!("Couldn't find the CI browser-ui-test version: {:?}", e),
Expand Down
16 changes: 16 additions & 0 deletions src/tools/rustdoc-gui/tester.js
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Expand Up @@ -201,6 +201,19 @@ async function main(argv) {
process.setMaxListeners(opts["jobs"] + 1);
}

// We catch this "event" to display a nicer message in case of unexpected exit (because of a
// missing `--no-sandbox`).
const exitHandling = (code) => {
if (!opts["no_sandbox"]) {
console.log("");
console.log(
"`browser-ui-test` crashed unexpectedly. Please try again with adding `--test-args \
--no-sandbox` at the end. For example: `x.py test src/test/rustdoc-gui --test-args --no-sandbox`");
console.log("");
}
};
process.on('exit', exitHandling);

const tests_queue = [];
let results = {
successful: [],
Expand Down Expand Up @@ -247,6 +260,9 @@ async function main(argv) {
}
status_bar.finish();

// We don't need this listener anymore.
process.removeListener("exit", exitHandling);

if (debug) {
results.successful.sort(by_filename);
results.successful.forEach(r => {
Expand Down