我寫(xiě)了一個(gè)AngularJS服務(wù)，我想對(duì)其進(jìn)行單元測(cè)試。angular.module('myServiceProvider', ['fooServiceProvider', 'barServiceProvider']).    factory('myService', function ($http, fooService, barService) {    this.something = function() {        // Do something with the injected services    };    return this;});我的app.js文件已注冊(cè)：angular.module('myApp', ['fooServiceProvider','barServiceProvider','myServiceProvider'])我可以測(cè)試DI是否像這樣工作：describe("Using the DI framework", function() {    beforeEach(module('fooServiceProvider'));    beforeEach(module('barServiceProvider'));    beforeEach(module('myServiceProvder'));    var service;    beforeEach(inject(function(fooService, barService, myService) {        service=myService;    }));    it("can be instantiated", function() {        expect(service).not.toBeNull();    });});這證明了可以通過(guò)DI框架創(chuàng)建服務(wù)，但是接下來(lái)我要對(duì)服務(wù)進(jìn)行單元測(cè)試，這意味著要模擬注入的對(duì)象。我該怎么做呢？我嘗試將模擬對(duì)象放入模塊中，例如beforeEach(module(mockNavigationService));并將服務(wù)定義重寫(xiě)為：function MyService(http, fooService, barService) {    this.somthing = function() {        // Do something with the injected services    };});angular.module('myServiceProvider', ['fooServiceProvider', 'barServiceProvider']).    factory('myService', function ($http, fooService, barService) { return new MyService($http, fooService, barService); })但是后者似乎停止了DI所創(chuàng)建的所有服務(wù)。有人知道如何模擬單元測(cè)試的注入服務(wù)嗎？