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POInjecting a mock into an AngularJS service
 

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    <p>I have an AngularJS service written and I would like to unit test it.</p> <pre><code>angular.module('myServiceProvider', ['fooServiceProvider', 'barServiceProvider']). factory('myService', function ($http, fooService, barService) { this.something = function() { // Do something with the injected services }; return this; }); </code></pre> <p>My app.js file has these registered:</p> <pre><code>angular .module('myApp', ['fooServiceProvider','barServiceProvider','myServiceProvider'] ) </code></pre> <p>I can test the DI is working as such:</p> <pre><code>describe("Using the DI framework", function() { beforeEach(module('fooServiceProvider')); beforeEach(module('barServiceProvider')); beforeEach(module('myServiceProvder')); var service; beforeEach(inject(function(fooService, barService, myService) { service=myService; })); it("can be instantiated", function() { expect(service).not.toBeNull(); }); }); </code></pre> <p>This proved that the service can be created by the DI framework, however next I want to unit test the service, which means mocking out the injected objects.</p> <p>How do I go about doing this?</p> <p>I've tried putting my mock objects in the module, e.g.</p> <pre><code>beforeEach(module(mockNavigationService)); </code></pre> <p>and rewriting the service definition as:</p> <pre><code>function MyService(http, fooService, barService) { this.somthing = function() { // Do something with the injected services }; }); angular.module('myServiceProvider', ['fooServiceProvider', 'barServiceProvider']). factory('myService', function ($http, fooService, barService) { return new MyService($http, fooService, barService); }) </code></pre> <p>But the latter seems to stop the service being created by the DI as all.</p> <p>Does anybody know how I can mock the injected services for my unit tests?</p> <p>Thanks</p> <p>David</p>
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    1. COYou can take a look at [this](http://stackoverflow.com/questions/14596687/initializing-angularjs-resource-with-in-page-json/14598672#14598672) answer of mine to another question, I hope it could be helpful to you.
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    2. COAlso look at http://stackoverflow.com/questions/14238490
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