angular-cn/public/docs/_examples/setup/ts/app/app.component.spec.ts

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/* tslint:disable:no-unused-variable */
import { AppComponent } from './app.component';
import { async, ComponentFixture, TestBed } from '@angular/core/testing';
import { By } from '@angular/platform-browser';
import { DebugElement } from '@angular/core';
//////// SPECS /////////////
describe('AppComponent', function () {
let de: DebugElement;
let comp: AppComponent;
let fixture: ComponentFixture<AppComponent>;
beforeEach(async(() => {
TestBed.configureTestingModule({
declarations: [ AppComponent ]
})
.compileComponents();
}));
beforeEach(() => {
fixture = TestBed.createComponent(AppComponent);
comp = fixture.componentInstance;
de = fixture.debugElement.query(By.css('h1'));
});
it('should create component', () => expect(comp).toBeDefined() );
it('should have expected <h1> text', () => {
fixture.detectChanges();
const h1 = de.nativeElement;
expect(h1.innerText).toMatch(/angular/i,
'<h1> should say something about "Angular"');
});
});