Enable a module for testing in a controller using Jasmine through Resharper

Question

Enable a module for testing in a controller using Jasmine through Resharper

I have successfully managed to test a controller using jasmine through PhantomJs using Resharper 9.2 as a test runner.

To set up Resharper, I followed the instructions provided on .

The test runs smoothly if the controller does not specify the modules it is dependent on.

Controller:

    var moduleName;
(function (moduleName) {
    'use strict';
    var testableController = (function () {
        function testableController($scope) {
            var _this = this;
            this.$scope = $scope;

            $scope.title = "Welcome";
        }
        testableController.className = 'testableController';
        return testableController;
    }());
    moduleName.testableController = testableController;
})(moduleName || (moduleName = {}));

The spec file is as follows:

    ///<reference path="~/Scripts/jasmine/jasmine.js"/>
///<reference path="~/Scripts/jasmine/angular.js"/>
///<reference path="~/Scripts/jasmine/angular-mocks.js"/>
///<reference path="~/Scripts/angular-ui/ui-bootstrap.min.js" />
///<reference path="~/Scripts/jasmine/controllers.js"/>
///<reference path="~/Scripts/App/Controllers/testableController.js" />
///<reference path="~/Scripts/App/AppJasmine.js" />
describe("Controllers", function() {

    beforeEach(module("moduleName"));

    describe("Jasmine  testableController", function () {

        var scope,
            controller;

        beforeEach(inject(function ($rootScope, $controller) {
            scope = $rootScope.$new();
            controller = $controller('testableController', { $scope: scope });
        }));

        it('should set the page title as "Welcome"', function () {
            expect(scope.title).toBe('Welcome');
        });

    });
});

When it comes to testing the controller with a dependency on Bootstrap, an error occurs.

Error: [$injector:unpr] Unknown provider: $templateRequestProvider <- $templateRequest <- $uibModal
http://errors.angularjs.org/1.2.24/$injector/unpr?p0=%24templateRequestProvider%20%3C-%20%24templateRequest%20%3C-%20%24uibModal in http://localhost:61032/referenceFile?path=~/webui/trunk/Netvacation.Pegasus.WebUI/Scripts/jasmine/angular.js (line 3802)

Controller with dependency on Bootstrap:

angular.module('moduleName', ['ui.bootstrap']);
var moduleName;
(function (moduleName) {
    'use strict';
    var testableController = (function () {
        function testableController($scope, $uibModal) {
            var _this = this;
            this.$scope = $scope;
            this.$uibModal = $uibModal;
            $scope.title = "Welcome";
        }
        testableController.className = 'testableController';
        return testableController;
    }());
    moduleName.testableController = testableController;
})(moduleName || (moduleName = {}));

**EDIT 1 ** I attempted:

beforeEach(
    function () {
        module("ui.bootstrap");
        module("moduleName");
    }
    );

but encountered the same error.

Edit 2 I am using

http://angular-ui.github.io/bootstrap/ Version: 1.3.3 - 2016-05-22

AngularJS v1.2.24

Edit 3 I do not wish to test $uibModal, but rather mock it away.

javascript angularjs jasmine resharper

Answer 1

Answer №1

When it comes to mocking a service in Angular, there are two main strategies with various syntax options. One approach is to add an object literal to the controller declaration, while the other involves creating custom services and adding them to the module using $provider:

If the service simply acts as a wrapper for data or an API, you can mock its functionality using a literal object and inject it directly into the controller constructor. For example:

var currentAuth;

beforeEach(inject(function ($rootScope, $controller) {
    scope = $rootScope.$new();
    currentAuth = {uid: 1, name: juan, getFriends: function() { ... }};

    controller = $controller('TestableCtrl', {'$scope': $scope, 'currentAuth': currentAuth });
}));

In this scenario, 'currentAuth' represents a service that provides information about the currently logged-in user.

However, if the mocked service's methods require injection of other services, you may need to create a factory or service, add it to the module, and then inject it similarly to custom services. An example of mocking the angularfire authentication service is shown below:

 var $controller, $rootScope, $scope, $location, Auth;

  beforeEach(function(){
    module('planner.login');

    module(function($provide){

      $provide.factory('Auth', function($q){
        return {
          $signInWithEmailAndPassword: function(email, pass) {
            return $q.reject({error: 'ERROR'});
          }
        };
      });

      return null;
    });

  });

  beforeEach(function(){

    inject(function($controller, $rootScope, _Auth_) {
      $scope = $rootScope.$new();
      Auth = _Auth_;

      $controller("TestableCtrl", {
        $scope: $scope,
        Auth: Auth,
        $stateParams: {}
      });
    });

  });

The choice between these methods depends on the testing requirements and the level of mimicry needed for the original service's behavior. In the case of testing a uibmodal, where you may need to spy on the '.open' method, creating an object with that property and spying on it should suffice.

Here's an example implementation:

describe("Controllers", function() {

    beforeEach(module("moduleName"));

    describe("Jasmine testableController", function () {

        var scope,
            controller,
            uibModal;

        beforeEach(inject(function ($rootScope, $controller) {
            scope = $rootScope.$new();
            uibModal = { open: function() { return 'Whatever'; } }
            controller = $controller('testableController', { $scope: scope, $uibModal: uibModal });
        }));

        it('should set the page title as "Welcome"', function () {
            expect(scope.title).toBe('Welcome');
            // Potential assertion to verify modal opening:
            // var spy = spyOn(uibModal, 'open');
            // expect(spy).toHaveBeenCalled();
        });

    });
});

I hope this explanation helps in understanding the process of testing AngularJS applications, particularly with AngularUI. Feel free to ask if anything is unclear, as I am also exploring testing methodologies in AngularJS.

Answer 2

When it comes to mocking a service in Angular, there are two main strategies with various syntax options. One approach is to add an object literal to the controller declaration, while the other involves creating custom services and adding them to the module using $provider:

If the service simply acts as a wrapper for data or an API, you can mock its functionality using a literal object and inject it directly into the controller constructor. For example:

var currentAuth;

beforeEach(inject(function ($rootScope, $controller) {
    scope = $rootScope.$new();
    currentAuth = {uid: 1, name: juan, getFriends: function() { ... }};

    controller = $controller('TestableCtrl', {'$scope': $scope, 'currentAuth': currentAuth });
}));

In this scenario, 'currentAuth' represents a service that provides information about the currently logged-in user.

However, if the mocked service's methods require injection of other services, you may need to create a factory or service, add it to the module, and then inject it similarly to custom services. An example of mocking the angularfire authentication service is shown below:

 var $controller, $rootScope, $scope, $location, Auth;

  beforeEach(function(){
    module('planner.login');

    module(function($provide){

      $provide.factory('Auth', function($q){
        return {
          $signInWithEmailAndPassword: function(email, pass) {
            return $q.reject({error: 'ERROR'});
          }
        };
      });

      return null;
    });

  });

  beforeEach(function(){

    inject(function($controller, $rootScope, _Auth_) {
      $scope = $rootScope.$new();
      Auth = _Auth_;

      $controller("TestableCtrl", {
        $scope: $scope,
        Auth: Auth,
        $stateParams: {}
      });
    });

  });

The choice between these methods depends on the testing requirements and the level of mimicry needed for the original service's behavior. In the case of testing a uibmodal, where you may need to spy on the '.open' method, creating an object with that property and spying on it should suffice.

Here's an example implementation:

describe("Controllers", function() {

    beforeEach(module("moduleName"));

    describe("Jasmine testableController", function () {

        var scope,
            controller,
            uibModal;

        beforeEach(inject(function ($rootScope, $controller) {
            scope = $rootScope.$new();
            uibModal = { open: function() { return 'Whatever'; } }
            controller = $controller('testableController', { $scope: scope, $uibModal: uibModal });
        }));

        it('should set the page title as "Welcome"', function () {
            expect(scope.title).toBe('Welcome');
            // Potential assertion to verify modal opening:
            // var spy = spyOn(uibModal, 'open');
            // expect(spy).toHaveBeenCalled();
        });

    });
});

I hope this explanation helps in understanding the process of testing AngularJS applications, particularly with AngularUI. Feel free to ask if anything is unclear, as I am also exploring testing methodologies in AngularJS.

Answer 3

Answer №2

One main issue is the failure to properly register the Controller to the module. This results in the module being unaware of its dependencies.

angular.module('modulename').controller('nameofthecontroller', controller);

Additionally, attempting to mock $uibModal may not be necessary as the functionality should still work without this mock.

Answer 4

One main issue is the failure to properly register the Controller to the module. This results in the module being unaware of its dependencies.

angular.module('modulename').controller('nameofthecontroller', controller);

Additionally, attempting to mock $uibModal may not be necessary as the functionality should still work without this mock.

Enable a module for testing in a controller using Jasmine through Resharper

Answer №1

Answer №2

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