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import { TestBed, inject } from '@angular/core/testing';
import { TodoListService } from './todo-list.service';
import { HttpClient } from '@angular/common/http';
import { TODOItem } from '../shared/models/todo-item';
import { of } from 'rxjs/observable/of';
describe('Service: TodoList', () => {
let todoListService: TodoListService;
const httpClientSpy: jasmine.SpyObj<HttpClient> = jasmine.createSpyObj('httpClient', ['get']);
httpClientSpy.get.and.returnValue(of([new TODOItem('Buy Milk', 'Lala')]));
beforeEach(() => {
TestBed.configureTestingModule({
providers: [TodoListService,
{
provide: HttpClient,
useValue: httpClientSpy
}]
});
});
beforeEach(inject([TodoListService], (service: TodoListService) => {
todoListService = service;
}));
it('should be defined', () => {
expect(todoListService).toBeTruthy();
});
it('should get todoList using http request', () => {
expect(httpClientSpy.get).toHaveBeenCalled();
expect(todoListService.todoList.length).toBe(1);
});
});
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