@erfffun/utils/lib/timers/tests/later2.test.js

Energi javascript utilities for web development

/* global describe, test, expect, jest */

import { later } from '../index';

jest.useFakeTimers();

describe('Testing later-method with long timeout without repeat', () => {
	test('later', async done => {
		let count = 0;
		later(() => {
			count += 1;
		}, 1000);
		// // purposly, check after >2x timeout --> count should only increase 1x
		setTimeout(() => {
			expect(count).toBe(1);
			done();
		}, 2080);
		jest.advanceTimersByTime(2080);
	});
});