ngrx-model/source/test/fakeAsync.tests.ts

Model classes for integrating ngrx store with a REST API

import { Subject } from 'rxjs';
import { rlFakeAsync, rlTick, flushMicrotasks, rlQueueRequest } from './fakeAsync';

describe('rlFakeAsync', () => {
	it('should schedule an rxjs action', rlFakeAsync(() => {
		const testStream = new Subject<void>();
		const testSpy = sinon.spy();
		testStream.delay(1000).subscribe(() => testSpy());
		testStream.next(null);

		sinon.assert.notCalled(testSpy);

		rlTick(1000);
		flushMicrotasks();

		sinon.assert.calledOnce(testSpy);
	}));

	it('should throw an error if there are pending requests', () => {
		expect(rlFakeAsync(() => {
			rlQueueRequest({ pending: true });
		})).to.throw('There are still pending requests. Please be sure to flush all of your requests');
	});

	it('should run successfully if all requests in the queue are resolved', () => {
		rlFakeAsync(() => {
			rlQueueRequest({ pending: false });
		})();
	});
});