spec_helper

var specHelper = (function(){
  var defaultUser = {...}
  var mockedServices;
  var files = fs.readdirSync('./service_mocks');
  
  //load all the mocked services
  function loadMockServices(){
    mockedServices = {};
    _.forEach(files, function(file) {
      var mock = require(path.join(__dirname, '/service_mocks', file);
      mockedServices[mock.serviceName] = mock.service;
    });
    
    module(function ($provide) {
      _.forEach(mockedServices, function(val, key){
        $provide.value(key, val);
      });
    }
  }
  
  function getMockedService(name) {
    return mockedServices[name];
  }
  
  function restoreMockedService(name) {
    var mock = require('path/to/service/mock' + name + '.js');
    $provide.value(mock.serviceName, mock.service);
  }
  
  function getControllerInstance(name) {
    var instance;
    inject(function ($rootScope, $controller) {
      instance = $controller(name, {
        $scope: $rootScope.$new();
      });
    });
    return instance;
  }
  
  function mockMethodThatReturnsAPromise(instance, method, willResolve, data) {
    instance[method] = function(){
      return {
        then: function(callback){
          if(willResolve) { callback(data) }
          return {
            catch: function(reject){
              if(!willResolve) { reject(data) }
            }
          }
        },
      }
    }
  }
  
  return {
    getMockedService: getMockedService,
    getControllerInstance: getControllerInstance,
    mockMethodThatReturnsAPromise: mockMethodThatReturnsAPromise,
    loadMockServices: loadMockServices //should be used in afterEach to restore all mocks
  }
})()