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    <p>Here is a working test for the factory as you posted it. I added a variable $httpBackend for the injected httpBackend. And a call to $httpBackend.flush(). <kbd><a href="http://jsfiddle.net/klode/zVUL2/" rel="nofollow"><strong>fiddle-demo</strong></a></kbd> (read to the end for full description of fiddle content)</p> <pre><code>describe( 'Global Service: ', function() { var Global, $httpBackend // load the relevant application module, with the service to be tested beforeEach( module('bkJoga') ); beforeEach( function() { // inject the mock for the http backend inject(function(_$httpBackend_) { $httpBackend = _$httpBackend_; }); // mock the response to a particular get request $httpBackend.whenGET('/jogasok').respond([ {id: 1, name: 'asdfasdf'}, {id: 2, name: '2wrerwert'} ]); // inject the service to be tested inject(function(_Global_) { Global = _Global_; }); }); it('should exist', function() { expect(!!Global).toBe(true); }); it('getJogasok should return everyone', function() { $httpBackend.flush(); // &lt;------------ need to flush $httpBackend expect(JSON.stringify(Global.getJogasok())).toBe(JSON.stringify([ {id: 1, name: 'asdfasdf'}, {id: 2, name: '2wrerwert'} ])); }); }); </code></pre> <p>In any event, I would rewrite the factory a bit differently, because, as it is currently written, it queries the database only upon instantiation <code>var jogasok = Jogas.query();</code>. Because <a href="http://docs.angularjs.org/guide/dev_guide.services.creating_services" rel="nofollow">services in angularjs are singletons</a>, in your app you will have only the data as they are at the time of instantiation. Therefore, later modifications to the data will not be reflected in your factory. Here is an example of the factory and its unit-test that reflects this idea. </p> <p>the factory:</p> <pre><code>app.factory('GlobalBest', function ($resource) { return $resource('/jogasok/:id', { 'id': '@id' }, { 'ujBerlet': { 'method': 'POST', 'params': { 'berlet': true } } }); }); </code></pre> <p>the test:</p> <pre><code>describe('GlobalBest Service: ', function () { var srv, $httpBackend; beforeEach(module('bkJoga')); beforeEach(function () { // inject the mock for the http backend inject(function (_$httpBackend_) { $httpBackend = _$httpBackend_; }); // inject the service to be tested inject(function (_GlobalBest_) { srv = _GlobalBest_; }); }); it('should exist', function () { expect( !! srv).toBe(true); }); it('query() should return everyone', function () { // mock the response to a particular get request $httpBackend.whenGET('/jogasok').respond([{ id: 1, name: 'asdfasdf' }, { id: 2, name: '2wrerwert' }]); // send request to get everyone var data = srv.query(); // flush the pending request $httpBackend.flush(); expect(JSON.stringify(data)).toBe(JSON.stringify([{ id: 1, name: 'asdfasdf' }, { id: 2, name: '2wrerwert' }])); }); it('get({id: 1}) should return object with id=1', function () { // mock the response to a particular get request $httpBackend.whenGET('/jogasok/1').respond({ id: 1, name: 'asdfasdf' }); var datum = srv.get({ id: 1 }); $httpBackend.flush(); expect(JSON.stringify(datum)).toBe(JSON.stringify({ id: 1, name: 'asdfasdf' })); }); }); </code></pre> <p>I wrote a <kbd><a href="http://jsfiddle.net/klode/zVUL2/" rel="nofollow"><strong>fiddle-demo</strong></a></kbd> with 3 versions of the service: your original service 'Global', a new version 'GlobalNew' that returns the query() method, and finally a version 'GlobalBest' that returns directly the $resource. Hope this helps.</p>
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    1. COI've tried it, but it fails with an error: Error: No pending request to flush ! The factory code is as you can see it in my question. Thus Jogas.query is supposed to run when Global is injected. Still, adding a success/error callbacks to it, shows it's never called.
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    2. COI took the factory code from your question and can run the above test successfully. Try to test if the service has been instantiated in the test: `it('should exist', function(){ expect(!!Global).toBe(true); });`
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    3. COAlso, because your Global service executes a query() when instantiated, you may need to move $httpBackend.whenGet() before ingecting the 'Global' service. I noticed that is the case if running the test in jsfiddle. I modified the code above to reflect this change.
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