app.js

'use strict';

// Declare app level module which depends on views, and components
angular.module('myApp', [
  'ngRoute',
  'myAppServices',
  'myAppControllers'
]).
config(['$routeProvider', function($routeProvider) {
  $routeProvider.
    when('/:genre?', {
      templateUrl: 'views/movies.html',
      controller:  'MoviesCtrl'
    })
    .otherwise({
      redirectTo: '/'
    });
}]);

karma.conf.js

// Karma configuration
// Generated on Thu Apr 09 2015 13:11:18 GMT+0530 (IST)

module.exports = function(config) {
  config.set({

    // base path that will be used to resolve all patterns (eg. files, exclude)
    basePath: '',


    // frameworks to use
    // available frameworks: https://npmjs.org/browse/keyword/karma-adapter
    frameworks: ['jasmine'],


    // list of files / patterns to load in the browser
    files: [
      'app/bower_components/angular/**/*.js',
      'app/bower_components/angular-mocks/**/*.js',
      'app/bower_components/angular-resource/**/*.js',
      'app/bower_components/angular-route/**/*.js',
      'app/app.js',
      'app/services/**/*.js',
      'app/controllers/**/*.js',
      'unit-tests/**/*.js'
    ],


    // list of files to exclude
    exclude: [
      'app/**/*.min.js'
    ],


    // preprocess matching files before serving them to the browser
    // available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
    preprocessors: {
    },


    // test results reporter to use
    // possible values: 'dots', 'progress'
    // available reporters: https://npmjs.org/browse/keyword/karma-reporter
    reporters: ['progress'],


    // web server port
    port: 9876,


    // enable / disable colors in the output (reporters and logs)
    colors: true,


    // level of logging
    // possible values: config.LOG_DISABLE || config.LOG_ERROR || config.LOG_WARN || config.LOG_INFO || config.LOG_DEBUG
    logLevel: config.LOG_INFO,


    // enable / disable watching file and executing tests whenever any file changes
    autoWatch: true,


    // start these browsers
    // available browser launchers: https://npmjs.org/browse/keyword/karma-launcher
    browsers: ['Chrome'],


    // Continuous Integration mode
    // if true, Karma captures browsers, runs the tests and exits
    singleRun: false
  });
};

movies_controller.js

'use strict';

(function() {
  angular.module('myAppControllers', ['myAppServices']).
    controller('MoviesCtrl', [ '$rootScope', '$scope', '$routeParams', 'Movie', 'Config', function($rootScope, $scope, $routeParams, Movie, Config) {
      $scope.movies  = {}
      $scope.image   = {}
      $rootScope.api = {
        key: "abcd",
        url: "https://api.themoviedb.org/3/"
      }

      Config.get({ api_key: $rootScope.api.key }, function(data) {
        $scope.image = {
          base_url: data.images.base_url,
          backdrop_size: data.images.backdrop_sizes[0]
        }
      });

      Movie.trending($rootScope.api.url + 'movie/' + ($routeParams.genre || "top_rated"))
        .query(function(data) {
          $scope.movies = data.results;
        });
    }]);

}());

movies_controller_spec.js

describe('MoviesCtrl', function() {
  var $rootScope
  , $controller
  , services
  ;

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

  beforeEach(function() {
    module('myAppServices');
    inject(function($injector) {
      services    = $injector.get('myAppServices')
      $rootScope  = $injector.get('$rootScope');
      $controller = $injector.get('$controller')
    });
  });

  describe("Intialization", function() {
    it("should initialize the api url", function() {
      var $scope = $rootScope.new();
      var controller = $controller('MoviesCtrl', { $rootScope: $rootScope, $scope: $scope, myAppServices: services });
      expect($rootScope.api.url).toEqual("https://api.themoviedb.org/3/")
    });
  });
});