<%# Copyright 2013-2021 the original author or authors from the JHipster project. This file is part of the JHipster project, see https://www.jhipster.tech/ for more information. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at https://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. -%> jest.mock('@angular/router'); jest.mock('app/core/auth/account.service'); jest.mock('app/login/login.service'); import { ElementRef } from '@angular/core'; import { ComponentFixture, TestBed, waitForAsync } from '@angular/core/testing'; import { FormBuilder } from '@angular/forms'; import { Router, Navigation } from '@angular/router'; import { of, throwError } from 'rxjs'; import { AccountService } from 'app/core/auth/account.service'; import { LoginService } from './login.service'; import { LoginComponent } from './login.component'; describe('LoginComponent', () => { let comp: LoginComponent; let fixture: ComponentFixture; let mockRouter: Router; let mockAccountService: AccountService; let mockLoginService: LoginService; beforeEach( waitForAsync(() => { TestBed.configureTestingModule({ declarations: [LoginComponent], providers: [ FormBuilder, AccountService, Router, { provide: LoginService, useValue: { login: jest.fn(() => of({})), }, }, ], }) .overrideTemplate(LoginComponent, '') .compileComponents(); }) ); beforeEach(() => { fixture = TestBed.createComponent(LoginComponent); comp = fixture.componentInstance; mockRouter = TestBed.inject(Router); mockLoginService = TestBed.inject(LoginService); mockAccountService = TestBed.inject(AccountService); }); describe('ngOnInit', () => { it('Should call accountService.identity on Init', () => { // GIVEN mockAccountService.identity = jest.fn(() => of(null)); mockAccountService.getAuthenticationState = jest.fn(() => of(null)); // WHEN comp.ngOnInit(); // THEN expect(mockAccountService.identity).toHaveBeenCalled(); }); it('Should call accountService.isAuthenticated on Init', () => { // GIVEN mockAccountService.identity = jest.fn(() => of(null)); // WHEN comp.ngOnInit(); // THEN expect(mockAccountService.isAuthenticated).toHaveBeenCalled(); }); it('should navigate to home page on Init if authenticated=true', () => { // GIVEN mockAccountService.identity = jest.fn(() => of(null)); mockAccountService.getAuthenticationState = jest.fn(() => of(null)); mockAccountService.isAuthenticated = () => true; // WHEN comp.ngOnInit(); // THEN expect(mockRouter.navigate).toHaveBeenCalledWith(['']); }); }); describe('ngAfterViewInit', () => { it('shoult set focus to username input after the view has been initialized', () => { // GIVEN const node = { focus: jest.fn(), }; comp.username = new ElementRef(node); // WHEN comp.ngAfterViewInit(); // THEN expect(node.focus).toHaveBeenCalled(); }); }); describe('login', () => { it('should authenticate the user and navigate to home page', () => { // GIVEN const credentials = { username: 'admin', password: 'admin', rememberMe: true, }; comp.loginForm.patchValue({ username: 'admin', password: 'admin', rememberMe: true, }); // WHEN comp.login(); // THEN expect(comp.authenticationError).toEqual(false); expect(mockLoginService.login).toHaveBeenCalledWith(credentials); expect(mockRouter.navigate).toHaveBeenCalledWith(['']); }); it('should authenticate the user but not navigate to home page if authentication process is already routing to cached url from localstorage', () => { // GIVEN jest.spyOn(mockRouter, 'getCurrentNavigation').mockReturnValue({} as Navigation); // WHEN comp.login(); // THEN expect(comp.authenticationError).toEqual(false); expect(mockRouter.navigate).not.toHaveBeenCalled(); }); it('should stay on login form and show error message on login error', () => { // GIVEN mockLoginService.login = jest.fn(() => throwError({})); // WHEN comp.login(); // THEN expect(comp.authenticationError).toEqual(true); expect(mockRouter.navigate).not.toHaveBeenCalled(); }); }); });