41 lines
911 B
JavaScript
41 lines
911 B
JavaScript
'use strict';
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const assert = require('assert');
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const Limiter = require('../lib/limiter');
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describe('Limiter', () => {
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describe('#ctor', () => {
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it('takes a `concurrency` argument', () => {
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const limiter = new Limiter(0);
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assert.strictEqual(limiter.concurrency, Infinity);
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});
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});
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describe('#kRun', () => {
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it('limits the number of jobs allowed to run concurrently', (done) => {
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const limiter = new Limiter(1);
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limiter.add((callback) => {
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setImmediate(() => {
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callback();
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assert.strictEqual(limiter.jobs.length, 0);
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assert.strictEqual(limiter.pending, 1);
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});
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});
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limiter.add((callback) => {
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setImmediate(() => {
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callback();
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assert.strictEqual(limiter.pending, 0);
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done();
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});
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});
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assert.strictEqual(limiter.jobs.length, 1);
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});
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});
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});
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