如何解决如何使用茉莉花间谍为window.location.pathname编写单元测试?
我有angular 8应用程序,并且正在使用OidcSecurityService作为身份服务器。
我很忙,为此写一些单元测试。但是我陷入了以下代码部分:
ngOnInit() {
this.oidcSecurityService
.checkAuth()
.subscribe(isAuthenticated => {
if (!isAuthenticated) {
Eif ('/autologin' !== window.location.pathname) {
this.write('redirect',window.location.pathname);
this.router.navigate(['/autologin']);
}
}
if (isAuthenticated) {
this.navigateToStoredEndpoint();
}
});
//console.log('windowPath',window.location.pathname);
}
和完整的ts文件如下:
export class AppComponent implements OnInit {
title = 'cityflows-client';
constructor(public oidcSecurityService: OidcSecurityService,public router: Router) {}
ngOnInit() {
this.oidcSecurityService
.checkAuth()
.subscribe(isAuthenticated => {
if (!isAuthenticated) {
if ('/autologin' !== window.location.pathname) {
this.write('redirect',window.location.pathname);
}
/**
* Generate new set of access tokens for a http call
*/
refreshSession() {
this.oidcSecurityService.authorize();
}
/**
* Redirect function for redirecting the user to the login page when application starts.
*/
private navigateToStoredEndpoint() {
const path = this.read('redirect');
if (this.router.url === path) {
return;
}
if (path.toString().includes('/unauthorized')) {
this.router.navigate(['/']);
} else {
this.router.navigate([path]);
}
}
/**
*
* @param key
* For checking if user is authenticated for the URL
* And if not will go back to root directory
*/
private read(key: string): any {
const data = localStorage.getItem(key);
if (data != null) {
return JSON.parse(data);
}
return;
}
/**
*
* @param key
* @param value
* for checking if url is the correct one
*/
private write(key: string,value: any): void {
localStorage.setItem(key,JSON.stringify(value));
}
}
我的单元测试如下:
import { CommonModule } from '@angular/common';
import { TestBed,async,ComponentFixture } from '@angular/core/testing';
import { Router } from '@angular/router';
import { RouterTestingModule } from '@angular/router/testing';
import { OidcSecurityService } from 'angular-auth-oidc-client';
import { of } from 'rxjs';
import { AppComponent } from './app.component';
import { OidcSecurityServiceStub } from './shared/mocks/oidcSecurityServiceStub';
import { routes } from './app-routing.module';describe('AppComponent',() => {
let component: AppComponent;
let fixture: ComponentFixture<AppComponent>;
let authenticatedService: OidcSecurityServiceStub;
const routerSpy = { navigate: jasmine.createSpy('/autologin') };
const routerNavigateSpy = { navigate: jasmine.createSpy('navigate') };
let router: Router;
beforeEach(async(() => {
TestBed.configureTestingModule({
imports: [RouterTestingModule],providers: [
{ provide: OidcSecurityService,useClass: OidcSecurityServiceStub },{ provide: Router,useValue: routerSpy },useValue: routerNavigateSpy }
],declarations: [AppComponent]
}).compileComponents();
}));
beforeEach(() => {
fixture = TestBed.createComponent(AppComponent);
component = fixture.componentInstance;
authenticatedService = new OidcSecurityServiceStub();
fixture.detectChanges();
});
it('should create the app',() => {
expect(component).toBeTruthy();
});
it('Navigate if not authenticated',() => {
spyOn(component.oidcSecurityService,'checkAuth').and.returnValue(of(false));
component.ngOnInit();
expect(routerSpy.navigate).not.toHaveBeenCalledWith(['/']);
});
it(' Should Navigate if not is root path ','checkAuth').and.returnValue(of(false));
component.ngOnInit();
expect(routerSpy.navigate).not.toHaveBeenCalledWith('/autologin');
});
});
但是在承保关系中,我在这条线上看到一个E:
if ('/autologin' !== window.location.pathname) {
未采用其他路径。
那我要改变什么?
谢谢
我可以做到:
public href: string = '/';
然后:
ngOnInit() {
this.oidcSecurityService
.checkAuth()
.subscribe(isAuthenticated => {
if (!isAuthenticated) {
if ('/autologin' !== this.href) {
this.write('redirect',this.href);
this.router.navigate(['/autologin']);
}
}
if (isAuthenticated) {
this.navigateToStoredEndpoint();
}
});
}
解决方法
尝试添加如下内容:
it('should navigate to autologin',() => {
const oldPathName = window.location.pathname;
spyOn(component.oidcSecurityService,'checkAuth').and.returnValue(of(false));
window.location.pathname = '/somethingElse'; // I am not sure if this will change the URL or not.
// If it changes the URL in the browser,it can be bad.
component.ngOnInit();
expect(routerSpy.navigate).toHaveBeenCalledWith('/autologin');
window.location.pathname = oldPathName; // restore it to the old version
});
您应该使用location.pathname
,而不要使用ActivatedRoute
。然后,您可以在单元测试中轻松模拟它。
https://angular.io/api/router/ActivatedRoute How to use ActivatedRoute in Angular 5?
或者甚至是路由器来获取当前URL。 Get current url in Angular
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