gaf-mobile/app/scripts/controllers/common/StatsCtrl.spec.js

GAF mobile Web site

'use strict';

describe('Controller: StatsCtrl', function() {

  // Vars
  var $scope, $interval, $q, $httpBackend, createCtrl;

  // Mocks
  var StatsMock;

  // Load the controller's module
  beforeEach(module('gafMobileApp'));

  // Initialize the controller
  beforeEach(inject(function($controller, _$rootScope_, _$interval_, _$q_,
    _$httpBackend_) {

    $scope = _$rootScope_.$new();
    $interval = _$interval_;
    $q = _$q_;
    $httpBackend = _$httpBackend_;
    // Controller constructer to enable to tweak the
    // mock ups before instantiate it
    createCtrl = function() {
      return $controller('StatsCtrl', {
        $scope: $scope,
        $interval: $interval,
        Stats: StatsMock
      });
    };
  }));

  // Create the mock ups
  beforeEach(function() {

    var generalStats = {
      getTotalUsers: function() {
        return 17126988;
      },
      getTotalProjects: function() {
        return 8840657;
      }
    };

    var general24hStats = {
      get24hUsers: function() {
        return 10343;
      },
      get24hProjects: function() {
        return 5511;
      }
    };

    StatsMock = jasmine.createSpyObj('Stats', ['getGeneralStats',
      'get24hStats']);

    spyOn($interval, 'cancel');

    StatsMock.getGeneralStats.and.returnValue($q.when(generalStats));
    StatsMock.get24hStats.and.returnValue($q.when(general24hStats));

    $httpBackend.when('GET', '/views/main.html').respond();
  });

  it('should initialize current general stats', function() {
    var ctrl = createCtrl();
    $scope.$digest();

    expect(ctrl.totalUsers).toEqual(17126988);
    expect(ctrl.millionUsers).toEqual(17);
    expect(ctrl.totalProjects).toEqual(8840657);
  });

  it('should update total users and proj every 5 seconds', function() {
    var ctrl = createCtrl();
    $scope.$digest();

    expect(ctrl.totalUsers).toEqual(17126988);
    expect(ctrl.totalProjects).toEqual(8840657);
    $interval.flush(50000);
    expect(ctrl.totalUsers).not.toEqual(17126988);
    expect(ctrl.totalProjects).not.toEqual(8840657);
  });

  it('should destroy interval once scope is destroyed', function() {
    createCtrl();
    $scope.$digest();
    $scope.$destroy();

    expect($interval.cancel).toHaveBeenCalled();
  });
});