MyController.spec.js

describe('MyController', function () {
    var controller, scope, myService, q;

    beforeEach(function () { module('MyApp'); });

    beforeEach(inject(function ($controller, $rootScope, $q) {
        controller = $controller;
        scope = $rootScope.$new();
        myService = jasmine.createSpyObj('myService', ['getSomething']);
        q = $q;
    }));


    describe('when returning promises', function () {

        beforeEach(function () {

            myService.getSomething.and.returnValue(q.when({ result: 'I Promise' }));

            controller('MyController', { $scope: scope, myService: myService });
            scope.$apply();

        });

        it('should set the response onto the viewModel', function () {
            expect(scope.viewModel.result).toBe('I Promise');
        });
    });
});