78 lines
2.1 KiB
JavaScript
78 lines
2.1 KiB
JavaScript
/*
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* Copyright (C) 2018 - present Instructure, Inc.
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*
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* This file is part of Canvas.
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*
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* Canvas is free software: you can redistribute it and/or modify it under
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* the terms of the GNU Affero General Public License as published by the Free
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* Software Foundation, version 3 of the License.
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*
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* Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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* A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
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* details.
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*
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* You should have received a copy of the GNU Affero General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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import makePromisePool from 'make-promise-pool'
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QUnit.module('makePromisePool')
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test('makePromisePool respects the pool size', assert => {
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const done = assert.async()
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const dataList = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
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const options = {
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internvalTime: 10,
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poolSize: 2
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}
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let activeWorkers = 0
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function makePromise() {
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activeWorkers++
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ok(activeWorkers <= options.poolSize)
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return new Promise(resolve => {
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setTimeout(() => {
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ok(activeWorkers <= options.poolSize)
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activeWorkers--
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resolve()
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}, Math.random() * 50)
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})
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}
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makePromisePool(dataList, makePromise, options).then(() => done())
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})
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test('makePromisePool reports successes and failures correctly', assert => {
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const done = assert.async()
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const dataList = [1, 2, 3, 4, 5]
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const options = {
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internvalTime: 100,
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poolSize: 3
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}
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// fail on odd numbers
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function makePromise(num) {
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if (num % 2 === 0) {
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return Promise.resolve({})
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} else {
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return Promise.reject('odd number') // eslint-disable-line prefer-promise-reject-errors
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}
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}
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makePromisePool(dataList, makePromise, options).then(results => {
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deepEqual(results, {
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successes: [{data: 2, res: {}}, {data: 4, res: {}}],
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failures: [
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{data: 1, err: 'odd number'},
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{data: 3, err: 'odd number'},
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{data: 5, err: 'odd number'}
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]
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})
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done()
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})
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})
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