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test_runner: reset count on watch mode #46577

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MoLow wants to merge 4 commits into from
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test_runner: reset count on watch mode #46577

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a3aec85
test_runner: reset count on watch mode
MoLow Feb 8, 2023
1858728
add debug logs
MoLow Feb 25, 2023
f2d72e9
attempt fixing
MoLow Feb 25, 2023
fb486d2
remove logs
MoLow Feb 26, 2023
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add debug logs
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@MoLow
MoLow committed Feb 25, 2023
commit 18587281b678e8834bae2763458d88e23d92a304
5 changes: 5 additions & 0 deletions test/parallel/test-runner-watch-mode.mjs
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Expand Up @@ -11,17 +11,22 @@ async function testWatch({ files, fileToUpdate }) {
const ran2 = util.createDeferredPromise();
const child = spawn(process.execPath, ['--watch', '--test', '--no-warnings', ...files], { encoding: 'utf8' });
let stdout = '';

console.log(`${child.pid} [running test]`);
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child.stdout.on('data', (data) => {
console.log(data.toString().split(/\r?\n/).map((line) => `${child.pid} [stdout] ${line}`).join('\n'));
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stdout += data.toString();
const matches = stdout.match(/test has ran/g);
if (matches?.length >= 1) ran1.resolve();
if (matches?.length >= 2) ran2.resolve();
});

await ran1.promise;
console.log(`${child.pid} [restarting]`);
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const interval = setInterval(() => writeFileSync(fileToUpdate, readFileSync(fileToUpdate, 'utf8')), 50);
await ran2.promise;
clearInterval(interval);
console.log(`${child.pid} [done]`);
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child.kill();
}

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