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POJasmine angularjs - spying on a method that is called when controller is initialized
 

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    <p>I am currently using Jasmine with Karma(Testacular) and Web Storm to write unit test. I am having trouble spying on a method that gets called immediately when the controller is initialized. Is it possible to spy on a method that is called when the controller is initialized?</p> <p>My controller code, the method I am attempting to spy on is <code>getServicesNodeList()</code>.</p> <pre><code>myApp.controller('TreeViewController', function ($scope, $rootScope ,$document, DataServices) { $scope.treeCollection = DataServices.getServicesNodeList(); $rootScope.viewportHeight = ($document.height() - 100) + 'px'; }); </code></pre> <p>And here is the test spec:</p> <pre><code>describe("DataServices Controllers - ", function () { beforeEach(angular.mock.module('myApp')); describe("DataServicesTreeview Controller - ", function () { beforeEach(inject(function ($controller, $rootScope, $document, $httpBackend, DataServices) { scope = $rootScope.$new(), doc = $document, rootScope = $rootScope; dataServices = DataServices; $httpBackend.when('GET', '/scripts/internal/servicedata/services.json').respond(...); var controller = $controller('TreeViewController', {$scope: scope, $rootScope: rootScope, $document: doc, DataServices: dataServices }); $httpBackend.flush(); })); afterEach(inject(function($httpBackend){ $httpBackend.verifyNoOutstandingExpectation(); $httpBackend.verifyNoOutstandingRequest(); })); it('should ensure DataServices.getServicesNodeList() was called', inject(function ($httpBackend, DataServices) { spyOn(DataServices, "getServicesNodeList").andCallThrough(); $httpBackend.flush(); expect(DataServices.getServicesNodeList).toHaveBeenCalled(); })); }); }); </code></pre> <p>The test is failing saying that the method has not been called. I know that I should mock the <code>DataServices</code> and pass that into the test controller. But it seems like I would still have the same problem when spying on that method whether it is a mock or not. Anyone have any ideas or could point me to resources on the correct way to handle this?</p>
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