login.component.spec.ts

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

import { LoginComponent } from './login.component';

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

  beforeEach(() => {
  TestBed.configureTestingModule({
      declarations: [ LoginComponent, Router],
      imports :[ 
        LoginComponent
      ], 
      providers:[
         Router]
    })
    .compileComponents();
  });

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

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