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test: tolerate duplicate watch change events #63937

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test: tolerate duplicate watch change events #63937

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17 changes: 12 additions & 5 deletions test/parallel/test-watch-file-shared-dependency.mjs
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Original file line number Diff line number Diff line change
Expand Up @@ -34,15 +34,22 @@ describe('watch file with shared dependency', () => {
const controller = new AbortController();
const watcher = new FilesWatcher({ signal: controller.signal });

watcher.on('changed', common.mustCall(({ owners }) => {
if (owners.size !== 2) return;

// If this code is never reached the test times out.
const onExpectedOwners = common.mustCall(({ owners }) => {
assert.ok(owners.has(fixturePaths['test.js']));
assert.ok(owners.has(fixturePaths['test-2.js']));
controller.abort();
done();
}));
});

function onChanged({ owners }) {
if (owners.size !== 2) return;

// If this code is never reached the test times out.
watcher.removeListener('changed', onChanged);
onExpectedOwners({ owners });
}

watcher.on('changed', onChanged);
watcher.filterFile(fixturePaths['test.js']);
watcher.filterFile(fixturePaths['test-2.js']);
watcher.filterFile(fixturePaths['dependency.js'], fixturePaths['test.js']);
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