87 lines
2.5 KiB
TypeScript
87 lines
2.5 KiB
TypeScript
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import Piscina from '..';
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import { test } from 'tap';
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import { resolve } from 'path';
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import { once } from 'events';
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test('uncaught exception resets Worker', async ({ rejects }) => {
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const pool = new Piscina({
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filename: resolve(__dirname, 'fixtures/eval.js')
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});
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await rejects(pool.runTask('throw new Error("not_caught")'), /not_caught/);
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});
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test('uncaught exception in immediate resets Worker', async ({ rejects }) => {
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const pool = new Piscina({
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filename: resolve(__dirname, 'fixtures/eval.js')
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});
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await rejects(
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pool.runTask(`
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setImmediate(() => { throw new Error("not_caught") });
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new Promise(() => {}) /* act as if we were doing some work */
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`), /not_caught/);
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});
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test('uncaught exception in immediate after task yields error event', async ({ equal }) => {
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const pool = new Piscina({
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filename: resolve(__dirname, 'fixtures/eval.js'),
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maxThreads: 1,
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useAtomics: false
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});
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const errorEvent : Promise<Error[]> = once(pool, 'error');
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const taskResult = pool.runTask(`
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setTimeout(() => { throw new Error("not_caught") }, 500);
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42
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`);
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equal(await taskResult, 42);
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// Hack a bit to make sure we get the 'exit'/'error' events.
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equal(pool.threads.length, 1);
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pool.threads[0].ref();
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// This is the main assertion here.
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equal((await errorEvent)[0].message, 'not_caught');
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});
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test('exiting process resets worker', async ({ not, rejects }) => {
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const pool = new Piscina({
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filename: resolve(__dirname, 'fixtures/eval.js'),
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minThreads: 1
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});
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const originalThreadId = pool.threads[0].threadId;
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await rejects(pool.runTask('process.exit(1);'), /worker exited with code: 1/);
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const newThreadId = pool.threads[0].threadId;
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not(originalThreadId, newThreadId);
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});
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test('exiting process in immediate after task errors next task and resets worker', async ({ equal, not, rejects }) => {
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const pool = new Piscina({
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filename: resolve(__dirname, 'fixtures/eval-async.js'),
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minThreads: 1
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});
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const originalThreadId = pool.threads[0].threadId;
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const taskResult = await pool.runTask(`
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setTimeout(() => { process.exit(1); }, 50);
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42
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`);
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equal(taskResult, 42);
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await rejects(pool.runTask(`
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'use strict';
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const { promisify } = require('util');
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const sleep = promisify(setTimeout);
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async function _() {
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await sleep(1000);
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return 42
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}
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_();
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`), /worker exited with code: 1/);
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const secondThreadId = pool.threads[0].threadId;
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not(originalThreadId, secondThreadId);
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});
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