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