Angular 2/4/6/7 - Unit Testing with Router

Question

In Angular 2.0.0, I am unit testing a component that uses Router. However I get the \'Supplied parameters do not match any signature of call target.\' error. In Visual studi

Answer 1

Jasmine goes one better with full spy objects...

describe('Test using router', () => {
    const router = jasmine.createSpyObj('Router', ['navigate']);
    ...
    beforeEach(async(() => {
        TestBed.configureTestingModule({
            providers: [  { provide: Router, useValue: router } ],
            ...
    });        
});