scheduled-task-test.js
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const { assert } = require('chai');
const sinon = require('sinon');
const ScheduledTask = require('../src/scheduled-task');
describe('ScheduledTask', () => {
beforeEach(() => {
this.clock = sinon.useFakeTimers(new Date(2018, 0, 1, 0, 0, 0, 0));
});
afterEach(() => {
this.clock.restore();
});
it('should start a task by default', (done) => {
let executed = 0;
let scheduledTask = new ScheduledTask('* * * * * *', () => {
executed += 1;
});
this.clock.tick(3000);
assert.equal(3, executed);
scheduledTask.stop();
done();
});
it('should create a task stoped', (done) => {
let executed = 0;
let scheduledTask = new ScheduledTask('* * * * * *', () => {
executed += 1;
}, { scheduled: false });
this.clock.tick(3000);
assert.equal(0, executed);
scheduledTask.stop();
done();
});
it('should start a task', (done) => {
let executed = 0;
let scheduledTask = new ScheduledTask('* * * * * *', () => {
executed += 1;
}, { scheduled: false });
this.clock.tick(3000);
assert.equal(0, executed);
scheduledTask.start();
this.clock.tick(3000);
assert.equal(3, executed);
scheduledTask.stop();
done();
});
it('should stop a task', () => {
let executed = 0;
let scheduledTask = new ScheduledTask('* * * * * *', () => {
executed += 1;
}, { scheduled: true });
this.clock.tick(3000);
assert.equal(3, executed);
scheduledTask.stop();
this.clock.tick(3000);
assert.equal(3, executed);
});
it('should create a task stopped and run it once created', () => {
let executed = 0;
new ScheduledTask('* * * * * *', () => {
executed += 1;
}, { scheduled: false, runOnInit: true });
this.clock.tick(3000);
assert.equal(1, executed);
});
it('should create a task stopped and run it once manually', () => {
let executed = 0;
let scheduledTask = new ScheduledTask('* * * * * *', () => {
executed += 1;
}, { scheduled: false });
this.clock.tick(3000);
assert.equal(0, executed);
scheduledTask.now();
assert.equal(1, executed);
});
it('should emit event every minute', () => {
let executed = 0;
let scheduledTask = new ScheduledTask('0 * * * * *', () => {
executed += 1;
}, { scheduled: true });
this.clock.tick(60000 * 3);
assert.equal(3, executed);
scheduledTask.stop();
});
});