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

32 lines
907 B
TypeScript

import Piscina from '..';
import { resolve } from 'path';
import { test } from 'tap';
test('can set niceness for threads on Linux', {
skip: process.platform !== 'linux'
}, async ({ equal }) => {
const worker = new Piscina({
filename: resolve(__dirname, 'fixtures/eval.js'),
niceIncrement: 5
});
// ts-ignore because the dependency is not installed on Windows.
// @ts-ignore
const currentNiceness = (await import('nice-napi')).default(0);
const result = await worker.runTask('require("nice-napi")()');
// niceness is capped to 19 on Linux.
const expected = Math.min(currentNiceness + 5, 19);
equal(result, expected);
});
test('setting niceness never does anything bad', async ({ equal }) => {
const worker = new Piscina({
filename: resolve(__dirname, 'fixtures/eval.js'),
niceIncrement: 5
});
const result = await worker.runTask('42');
equal(result, 42);
});