Fixed automatically generated unit-tests

[examples/angular-tour-of-heroes] / src / app / heroes / heroes.component.spec.ts

import { async, ComponentFixture, TestBed } from '@angular/core/testing';

import { HeroesComponent } from './heroes.component';

import { Observable, of } from 'rxjs';
import { Hero } from '../hero';
import { HEROES } from '../mock-heroes';
import { HeroService } from '../hero.service';
import { MessageService } from '../message.service';

class MockHeroService {
  getHeroes() : Observable<Hero[]> {
    return of(HEROES);
  }
}

class MockMessageService {}

describe('HeroesComponent', () => {
  let component: HeroesComponent;
  let fixture: ComponentFixture<HeroesComponent>;

  beforeEach(async(() => {
    TestBed.configureTestingModule({
      declarations: [ HeroesComponent ],
      providers: [
        { provide: HeroService, useClass: MockHeroService },
        { provide: MessageService, useClass: MockMessageService }
      ]
    })
    .compileComponents();
  }));

  beforeEach(() => {
    fixture = TestBed.createComponent(HeroesComponent);
    component = fixture.componentInstance;
    fixture.detectChanges();
  });

  it('should create', () => {
    expect(component).toBeTruthy();
  });
});