import { TestBed } from '@angular/core/testing';
import { AppComponent } from './app.component';
import { By } from '@angular/platform-browser';

describe('AppComponent', () => {
  
  it('létrehozható az app objektum', () => {
    const fixture = TestBed.createComponent(AppComponent);
    const app = fixture.componentInstance;
    expect(app).toBeTruthy();
  });
  
  it('van nav elem', () => {
    const fixture = TestBed.createComponent(AppComponent);
    const nav = fixture.debugElement.queryAll(By.css('nav'));
    expect(nav.length).toBe(1);
  });
  
  it('van nav elemben két div elem', () => {
    const fixture = TestBed.createComponent(AppComponent);
    const nav_div = fixture.debugElement.queryAll(By.css('nav div'))
    expect(nav_div.length).toBe(2);
  });

});