import { async, ComponentFixture, TestBed } from '@angular/core/testing';
import { RouterTestingModule } from '@angular/router/testing';
import { BrowserAnimationsModule } from '@angular/platform-browser/animations';

import { DashboardComponent } from './dashboard.component';
import { DashboardModule } from './dashboard.module';
import { HttpClientTestingModule } from '@angular/common/http/testing';

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

  beforeEach(async(() => {
    TestBed.configureTestingModule({
      imports: [
        DashboardModule,
        RouterTestingModule,
        BrowserAnimationsModule,
        HttpClientTestingModule
       ]
    })
    .compileComponents();
  }));

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

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

  it('should test the closeAlert method', () =>{
    component.alerts=[1,2,3,4,5];
    component.closeAlert(2);
    expect(component.alerts).toEqual([1,3,4,5]);
  })

});