import { TestBed, async } from '@angular/core/testing'; import { AppComponent } from './app.component'; describe('AppComponent', () => { beforeEach(async(() => { TestBed.configureTestingModule({ declarations: [ AppComponent ], }).compileComponents(); })); it('should create the app', () => { const fixture = TestBed.createComponent(AppComponent); const app = fixture.debugElement.componentInstance; expect(app).toBeTruthy(); }); it(`should have as title 'angular-tour-of-heroes'`, () => { const fixture = TestBed.createComponent(AppComponent); const app = fixture.debugElement.componentInstance; expect(app.title).toEqual('angular-tour-of-heroes'); }); it('should render title', () => { const fixture = TestBed.createComponent(AppComponent); fixture.detectChanges(); const compiled = fixture.debugElement.nativeElement; expect(compiled.querySelector('.content span').textContent).toContain('angular-tour-of-heroes app is running!'); }); });