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

import { AppComponent } from './app.component';
import { RouterTestingModule } from '@angular/router/testing';

describe('AppComponent', () => {
  beforeEach(async(() => {
    TestBed.configureTestingModule({
      declarations: [
        AppComponent
      ],
	  imports: [
	  	RouterTestingModule
	  ]
    }).compileComponents();
  }));

  it('should create the app', async(() => {
    const fixture = TestBed.createComponent(AppComponent);
    const app = fixture.debugElement.componentInstance;
    expect(app).toBeTruthy();
  }));

  it(`should have as title 'mathDruck'`, async(() => {
    const fixture = TestBed.createComponent(AppComponent);
    const app = fixture.debugElement.componentInstance;
    expect(app.title).toEqual('mathDruck');
  }));

  it('should render title in a header tag', async(() => {
    const fixture = TestBed.createComponent(AppComponent);
    fixture.detectChanges();
    const compiled = fixture.debugElement.nativeElement;
    expect(compiled.querySelector('header').textContent).toContain('mathDruck');
  }));
});

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

import { AppComponent } from './app.component';
import { RouterTestingModule } from '@angular/router/testing';

describe('AppComponent', () => {
  beforeEach(async(() => {
    TestBed.configureTestingModule({
      declarations: [
        AppComponent
      ],
	  imports: [
	  	RouterTestingModule
	  ]
    }).compileComponents();
  }));

  it('should create the app', async(() => {
    const fixture = TestBed.createComponent(AppComponent);
    const app = fixture.debugElement.componentInstance;
    expect(app).toBeTruthy();
  }));

  it(`should have as title 'Mathdruck'`, async(() => {
    const fixture = TestBed.createComponent(AppComponent);
    const app = fixture.debugElement.componentInstance;
    expect(app.title).toEqual('Mathdruck');
  }));
});

Remove root component unit test
Remove root component unit test

Unit test fails as title variable appears in hyperlink now rather than a
title element.

This unit test isn't so important (can always add back later).
