src/app/app.component.spec.ts
import { async, TestBed } from '@angular/core/testing';
import { AppComponent } from './app.component';
import { AppModule } from './app.module';
describe('AppComponent', () => {
beforeEach(async(() => {
TestBed.configureTestingModule({
imports: [AppModule]
}).compileComponents();
}));
it('should create the app', () => {
const fixture = TestBed.createComponent(AppComponent);
const app = fixture.debugElement.componentInstance;
expect(app).toBeTruthy();
});
it('should render an engine', () => {
const fixture = TestBed.createComponent(AppComponent);
fixture.detectChanges();
const compiled = fixture.debugElement.nativeElement;
expect(compiled.querySelector('app-engine')).toBeTruthy();
});
});