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fix(plan-canvas): use OS-managed startup lock

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haelyra
2026-08-28 17:29:01 -04:00
parent 6ca0540dba
commit cbc35c098a
3 changed files with 28 additions and 68 deletions
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tests/integration/plan-canvas-e2e.test.js
+7 -8
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@@ -152,22 +152,21 @@ async function main() {
await new Promise(resolve => setTimeout(resolve, 40));
active -= 1;
return label;
}, { lockDir: tmp, timeoutMs: 2000 });
}, { timeoutMs: 2000 });
assert.deepStrictEqual(await Promise.all([runLocked('first'), runLocked('second')]), ['first', 'second']);
assert.strictEqual(maximumActive, 1);
assert.ok(!fs.readdirSync(tmp).some(name => name.endsWith('.lock')));
});
await test('port-scoped startup lock recovers a dead owner', async () => {
await test('port-scoped startup lock releases after a failed owner', async () => {
const lockPort = port + 3;
const userId = typeof process.getuid === 'function' ? process.getuid() : 'user';
const lockPath = path.join(tmp, `ecc-plan-canvas-${userId}-${lockPort}.lock`);
fs.writeFileSync(lockPath, JSON.stringify({ pid: 2147483647, token: 'dead-owner' }));
await assert.rejects(
withServerStartLock(lockPort, async () => { throw new Error('owner failed'); }, { timeoutMs: 2000 }),
/owner failed/
);
assert.strictEqual(
await withServerStartLock(lockPort, async () => 'recovered', { lockDir: tmp, timeoutMs: 2000 }),
await withServerStartLock(lockPort, async () => 'recovered', { timeoutMs: 2000 }),
'recovered'
);
assert.ok(!fs.existsSync(lockPath));
});
await test('concurrent opens serialize replacement of a same-version legacy server', async () => {