novo-elements/src/utils/deferred/Deferred.spec.ts

Bullhorn's NOVO Element Repository for Angular 2

// APP
import { Deferred } from './Deferred';

describe('Utils: Deferred', () => {
    let deferred;

    beforeEach(() => {
        deferred = Deferred();
    });

    it('should be defined', () => {
        expect(deferred).toBeDefined();
    });

    it('should be able to resolved later', (done) => {
        deferred.then((result) => {
            expect(result).toBe('Resolved');
            done();
        });

        deferred.resolve('Resolved');
    });

    it('should be able to reject later', (done) => {
        deferred.then(() => {
            // Should not enter this block
        }).catch((err) => {
            expect(err).toBe('Rejected');
            done();
        });

        deferred.reject('Rejected');
    });
});