source: trip-planner-front/node_modules/piscina/test/nice.ts@ 6fe77af

Last change on this file since 6fe77af was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

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File size: 907 bytes
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1import Piscina from '..';
2import { resolve } from 'path';
3import { test } from 'tap';
4
5test('can set niceness for threads on Linux', {
6 skip: process.platform !== 'linux'
7}, async ({ equal }) => {
8 const worker = new Piscina({
9 filename: resolve(__dirname, 'fixtures/eval.js'),
10 niceIncrement: 5
11 });
12
13 // ts-ignore because the dependency is not installed on Windows.
14 // @ts-ignore
15 const currentNiceness = (await import('nice-napi')).default(0);
16 const result = await worker.runTask('require("nice-napi")()');
17
18 // niceness is capped to 19 on Linux.
19 const expected = Math.min(currentNiceness + 5, 19);
20 equal(result, expected);
21});
22
23test('setting niceness never does anything bad', async ({ equal }) => {
24 const worker = new Piscina({
25 filename: resolve(__dirname, 'fixtures/eval.js'),
26 niceIncrement: 5
27 });
28
29 const result = await worker.runTask('42');
30 equal(result, 42);
31});
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