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POHow to test a Controller which relies on an ngResource Service
 

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  1. POHow to test a Controller which relies on an ngResource Service
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    <p>I have a controller which relies on a service built through ngResource. I am having trouble testing this(although both appear to work like a charm in the actual application). The following is the (sanitized) Controller </p> <pre><code>MyApp.Controller.MyCarsController = (scope, http, typeService) -&gt; if scope.context==undefined scope.ferrari_or_porshe ="" scope.id = "" else if scope.context=="ferrari" scope.country_or_pi ="Ferrari" else if scope.context=="porshe" scope.country_or_pi ="Porshe" typeService.index ferrari_or_porshe: scope.ferrari_or_porshe id: scope.id , (response) -&gt; scope.type = response scope.loading = false MyApp.Controller.MyCarsController.$inject = ['$scope', '$http', 'Type'] </code></pre> <p>And this is the Service:</p> <pre><code>MyApp.MyModule.factory 'Type', ['$resource', ($resource) -&gt; TypeResource = $resource("/api/types/:ferrari_or_porshe/:id", {}, index: method: "GET" isArray: true ) return TypeResource ] </code></pre> <p>Finally, some test code:</p> <pre><code>describe 'MyApp.Controller.MyCarsController', -&gt; beforeEach module('MyModule') beforeEach inject ($rootScope, $http, $controller, Type) -&gt; @scope = $rootScope.$new() @typeService = Type @scope.context = undefined $controller 'MyApp.Controller.MyCarsController', $scope: @scope describe '#home-page', -&gt; it 'contains a list of types', -&gt; expect(@scope.types.length).toBeGreaterThan 0 it "sets instance variables correctly", -&gt; expect(@scope.ferrari_or_porshe).toBe "" expect(@scope.id).toBe "" </code></pre> <p>Which fails with:</p> <pre><code> No more request expected in helpers/angular-mocks.js on line 889 TypeError: 'undefined' is not an object (evaluating 'this.scope.types.length') in controllers/my_cars_controller_spec.js </code></pre> <p>By judicious application of console.logs, I have discovered that the issue is that the final callback on response is never reached. TypeResource comes back as [Function].</p> <p>My questions is:</p> <p>How do I drive the Jasmine Tests to correctly enter the Service and fetch a response? And is there any way to create direct Unit Tests for Services?</p> <p>Any and all help is appreciated </p>
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