Icard/angular-clarity-master(work.../node_modules/piscina/test/test-uncaught-exception-fro...

47 lines
1.3 KiB
TypeScript

import Piscina from '..';
import { test } from 'tap';
import { resolve } from 'path';
import { once } from 'events';
test('uncaught exception resets Worker', async ({ rejects }) => {
const pool = new Piscina({
filename: resolve(__dirname, 'fixtures/eval.js')
});
await rejects(pool.runTask('throw new Error("not_caught")'), /not_caught/);
});
test('uncaught exception in immediate resets Worker', async ({ rejects }) => {
const pool = new Piscina({
filename: resolve(__dirname, 'fixtures/eval.js')
});
await rejects(
pool.runTask(`
setImmediate(() => { throw new Error("not_caught") });
new Promise(() => {}) /* act as if we were doing some work */
`), /not_caught/);
});
test('uncaught exception in immediate after task yields error event', async ({ equal }) => {
const pool = new Piscina({
filename: resolve(__dirname, 'fixtures/eval.js'),
maxThreads: 1,
useAtomics: false
});
const errorEvent : Promise<Error[]> = once(pool, 'error');
const taskResult = pool.runTask(`
setTimeout(() => { throw new Error("not_caught") }, 500);
42
`);
equal(await taskResult, 42);
// Hack a bit to make sure we get the 'exit'/'error' events.
equal(pool.threads.length, 1);
pool.threads[0].ref();
// This is the main aassertion here.
equal((await errorEvent)[0].message, 'not_caught');
});