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91 lines
2.4 KiB
91 lines
2.4 KiB
const { assert } = require('chai');
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const sinon = require('sinon');
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const Scheduler = require('../src/scheduler');
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describe('Scheduler', () => {
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beforeEach(() => {
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this.clock = sinon.useFakeTimers();
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});
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afterEach(() => {
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this.clock.restore();
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});
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it('should emit an event on matched time', (done) => {
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let scheduler = new Scheduler('* * * * * *');
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scheduler.on('scheduled-time-matched', (date) => {
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assert.isNotNull(date);
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assert.instanceOf(date, Date);
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scheduler.stop();
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done();
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});
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scheduler.start();
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this.clock.tick(1000);
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});
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it('should emit an event every second', (done) => {
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let scheduler = new Scheduler('* * * * * *');
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let emited = 0;
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scheduler.on('scheduled-time-matched', (date) => {
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emited += 1;
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assert.isNotNull(date);
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assert.instanceOf(date, Date);
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if(emited === 5){
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scheduler.stop();
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done();
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}
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});
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scheduler.start();
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this.clock.tick(5000);
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});
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it('should recover missed executions', (done) => {
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this.clock.restore();
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let scheduler = new Scheduler('* * * * * *', null, true);
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let emited = 0;
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scheduler.on('scheduled-time-matched', () => {
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emited += 1;
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});
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scheduler.start();
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let wait = true;
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let startedAt = new Date();
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while(wait){
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if((new Date().getTime() - startedAt.getTime()) > 1000){
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wait = false;
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}
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}
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setTimeout(() => {
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scheduler.stop();
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assert.equal(2, emited);
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done();
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}, 1000);
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}).timeout(3000);
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it('should ignore missed executions', (done) => {
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this.clock.restore();
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let scheduler = new Scheduler('* * * * * *', null, false);
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let emited = 0;
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scheduler.on('scheduled-time-matched', () => {
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emited += 1;
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});
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scheduler.start();
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let wait = true;
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let startedAt = new Date();
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while(wait){
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if((new Date().getTime() - startedAt.getTime()) > 1000){
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wait = false;
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}
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}
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setTimeout(() => {
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scheduler.stop();
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assert.equal(1, emited);
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done();
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}, 1000);
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}).timeout(3000);
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}); |