Icard/angular-clarity-master(work.../node_modules/piscina/test/thread-count.ts

54 lines
1.5 KiB
TypeScript

import Piscina from '..';
import { cpus } from 'os';
import { test } from 'tap';
import { resolve } from 'path';
test('will start with minThreads and max out at maxThreads', async ({ equal, rejects }) => {
const pool = new Piscina({
filename: resolve(__dirname, 'fixtures/eval.js'),
minThreads: 2,
maxThreads: 4
});
equal(pool.threads.length, 2);
rejects(pool.runTask('while(true) {}'));
equal(pool.threads.length, 2);
rejects(pool.runTask('while(true) {}'));
equal(pool.threads.length, 2);
rejects(pool.runTask('while(true) {}'));
equal(pool.threads.length, 3);
rejects(pool.runTask('while(true) {}'));
equal(pool.threads.length, 4);
rejects(pool.runTask('while(true) {}'));
equal(pool.threads.length, 4);
await pool.destroy();
});
test('low maxThreads sets minThreads', async ({ equal }) => {
const pool = new Piscina({
filename: resolve(__dirname, 'fixtures/eval.js'),
maxThreads: 1
});
equal(pool.threads.length, 1);
equal(pool.options.minThreads, 1);
equal(pool.options.maxThreads, 1);
});
test('high minThreads sets maxThreads', {
skip: cpus().length > 8
}, async ({ equal }) => {
const pool = new Piscina({
filename: resolve(__dirname, 'fixtures/eval.js'),
minThreads: 16
});
equal(pool.threads.length, 16);
equal(pool.options.minThreads, 16);
equal(pool.options.maxThreads, 16);
});
test('conflicting min/max threads is error', async ({ throws }) => {
throws(() => new Piscina({
minThreads: 16,
maxThreads: 8
}), /options.minThreads and options.maxThreads must not conflict/);
});