import { TestBed, async } from '@angular/core/testing'; import { AppComponent } from './app.component'; describe('AppComponent', () => { beforeEach(async(() => { TestBed.configureTestingModule({ declarations: [AppComponent], }).compileComponents(); })); it(`should have as title 'my-awesome-app'`, async(() => { const fixture = TestBed.createComponent(AppComponent); const app = fixture.debugElement.componentInstance; expect(app.title).toEqual('my-awesome-app'); })); it('should render title in a h1 tag', async(() => { const fixture = TestBed.createComponent(AppComponent); fixture.detectChanges(); const compiled = fixture.debugElement.nativeElement; expect(compiled.querySelector('h1').textContent).toContain('Welcome to my-awesome-app!'); })); });

import { AppComponent } from './app.component'; import { createComponent } from 'ngx-testing-library'; test(`should have as title 'my-awesome-app'`, async () => { const { detectChanges, getByText } = await createComponent('<app-root></app-root>', { declarations: [AppComponent], }); expect(getByText('Welcome to my-awesome-app!')).toBeDefined(); }); test(`should render title in a h1 tag`, async () => { const { container } = await createComponent('<app-root></app-root>', { declarations: [AppComponent], }); expect(container.querySelector('h1').textContent).toContain('Welcome to my-awesome-app!'); });