Files
pyrofetes-frontend/node_modules/piscina/test/pool-close.test.ts
CHEVALLIER Abel cb235644dc init
2025-11-13 16:23:22 +01:00

85 lines
3.4 KiB
TypeScript

import assert from 'node:assert/strict';
import { once } from 'node:events';
import { resolve } from 'node:path';
import { describe, it, test } from 'node:test';
import Piscina from '..';
describe('close()', () => {
it('no pending tasks', async () => {
const pool = new Piscina({ filename: resolve(__dirname, 'fixtures/sleep.js') });
await pool.close();
assert.ok('pool closed successfully');
});
it('no pending tasks (with minThreads=0)', async () => {
const pool = new Piscina({ filename: resolve(__dirname, 'fixtures/sleep.js'), minThreads: 0 });
await pool.close();
assert.ok('pool closed successfully');
});
});
test('queued tasks waits for all tasks to complete', async () => {
const pool = new Piscina({ filename: resolve(__dirname, 'fixtures/sleep.js'), maxThreads: 1 });
const task1 = pool.run({ time: 100 });
const task2 = pool.run({ time: 100 });
setImmediate(() => assert.doesNotReject(pool.close(), 'close is resolved when all running tasks are completed'));
await Promise.all([
assert.doesNotReject(once(pool, 'close'), 'handler is called when pool is closed'),
assert.doesNotReject(task1, 'complete running task'),
assert.doesNotReject(task2, 'complete running task')
]);
});
test('abort any task enqueued during closing up', async () => {
const pool = new Piscina({ filename: resolve(__dirname, 'fixtures/sleep.js'), maxThreads: 1 });
setImmediate(() => {
assert.doesNotReject(pool.close(), 'close is resolved when running tasks are completed');
assert.doesNotReject(pool.run({ time: 1000 }).then(null, err => {
assert.strictEqual(err.message, 'The task has been aborted');
assert.strictEqual(err.cause, 'queue is being terminated');
}));
});
await assert.doesNotReject(pool.run({ time: 100 }), 'complete running task');
});
test('force: queued tasks waits for all tasks already running and aborts tasks that are not started yet', async () => {
const pool = new Piscina({ filename: resolve(__dirname, 'fixtures/sleep.js'), maxThreads: 1, concurrentTasksPerWorker: 2 });
const task1 = pool.run({ time: 5 });
const task2 = pool.run({ time: 5 });
// const task3 = pool.run({ time: 100 });
// const task4 = pool.run({ time: 100 });
assert.doesNotReject(pool.close({ force: true }));
assert.doesNotReject(once(pool, 'close'), 'handler is called when pool is closed');
assert.doesNotReject(task1, 'complete running task');
assert.doesNotReject(task2, 'complete running task');
assert.rejects(pool.run({ time: 100 }), /The task has been aborted/, 'abort task that are not started yet');
assert.rejects(pool.run({ time: 100 }), /The task has been aborted/, 'abort task that are not started yet');
await task1;
await task2;
});
test('timed out close operation destroys the pool', async () => {
const pool = new Piscina({
filename: resolve(__dirname, 'fixtures/sleep.js'),
maxThreads: 1,
closeTimeout: 5 // 5ms
});
const task1 = pool.run({ time: 50 });
const task2 = pool.run({ time: 50 });
setImmediate(() => assert.doesNotReject(pool.close(), 'close is resolved on timeout'));
await Promise.all([
assert.doesNotReject(once(pool, 'error'), 'error handler is called on timeout'),
assert.rejects(task1, /Terminating worker thread/, 'task is aborted due to timeout'),
assert.rejects(task2, /Terminating worker thread/, 'task is aborted due to timeout')
]);
});