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