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/**
 * @license AngularJS v1.0.8
 * (c) 2010-2012 Google, Inc. http://angularjs.org
 * License: MIT
 *
 * TODO(vojta): wrap whole file into closure during build
 */

/**
 * @ngdoc overview
 * @name angular.mock
 * @description
 *
 * Namespace from 'angular-mocks.js' which contains testing related code.
 */
angular.mock = {};

/**
 * ! This is a private undocumented service !
 *
 * @name ngMock.$browser
 *
 * @description
 * This service is a mock implementation of {@link ng.$browser}. It provides fake
 * implementation for commonly used browser apis that are hard to test, e.g. setTimeout, xhr,
 * cookies, etc...
 *
 * The api of this service is the same as that of the real {@link ng.$browser $browser}, except
 * that there are several helper methods available which can be used in tests.
 */
angular.mock.$BrowserProvider = function() {
  this.$get = function() {
    return new angular.mock.$Browser();
  };
};

angular.mock.$Browser = function() {
  var self = this;

  this.isMock = true;
  self.$$url = "http://server/";
  self.$$lastUrl = self.$$url; // used by url polling fn
  self.pollFns = [];

  // TODO(vojta): remove this temporary api
  self.$$completeOutstandingRequest = angular.noop;
  self.$$incOutstandingRequestCount = angular.noop;


  // register url polling fn

  self.onUrlChange = function(listener) {
    self.pollFns.push(
      function() {
        if (self.$$lastUrl != self.$$url) {
          self.$$lastUrl = self.$$url;
          listener(self.$$url);
        }
      }
    );

    return listener;
  };

  self.cookieHash = {};
  self.lastCookieHash = {};
  self.deferredFns = [];
  self.deferredNextId = 0;

  self.defer = function(fn, delay) {
    delay = delay || 0;
    self.deferredFns.push({time:(self.defer.now + delay), fn:fn, id: self.deferredNextId});
    self.deferredFns.sort(function(a,b){ return a.time - b.time;});
    return self.deferredNextId++;
  };


  self.defer.now = 0;


  self.defer.cancel = function(deferId) {
    var fnIndex;

    angular.forEach(self.deferredFns, function(fn, index) {
      if (fn.id === deferId) fnIndex = index;
    });

    if (fnIndex !== undefined) {
      self.deferredFns.splice(fnIndex, 1);
      return true;
    }

    return false;
  };


  /**
   * @name ngMock.$browser#defer.flush
   * @methodOf ngMock.$browser
   *
   * @description
   * Flushes all pending requests and executes the defer callbacks.
   *
   * @param {number=} number of milliseconds to flush. See {@link #defer.now}
   */
  self.defer.flush = function(delay) {
    if (angular.isDefined(delay)) {
      self.defer.now += delay;
    } else {
      if (self.deferredFns.length) {
        self.defer.now = self.deferredFns[self.deferredFns.length-1].time;
      } else {
        throw Error('No deferred tasks to be flushed');
      }
    }

    while (self.deferredFns.length && self.deferredFns[0].time <= self.defer.now) {
      self.deferredFns.shift().fn();
    }
  };
  /**
   * @name ngMock.$browser#defer.now
   * @propertyOf ngMock.$browser
   *
   * @description
   * Current milliseconds mock time.
   */

  self.$$baseHref = '';
  self.baseHref = function() {
    return this.$$baseHref;
  };
};
angular.mock.$Browser.prototype = {

/**
  * @name ngMock.$browser#poll
  * @methodOf ngMock.$browser
  *
  * @description
  * run all fns in pollFns
  */
  poll: function poll() {
    angular.forEach(this.pollFns, function(pollFn){
      pollFn();
    });
  },

  addPollFn: function(pollFn) {
    this.pollFns.push(pollFn);
    return pollFn;
  },

  url: function(url, replace) {
    if (url) {
      this.$$url = url;
      return this;
    }

    return this.$$url;
  },

  cookies:  function(name, value) {
    if (name) {
      if (value == undefined) {
        delete this.cookieHash[name];
      } else {
        if (angular.isString(value) &&       //strings only
            value.length <= 4096) {          //strict cookie storage limits
          this.cookieHash[name] = value;
        }
      }
    } else {
      if (!angular.equals(this.cookieHash, this.lastCookieHash)) {
        this.lastCookieHash = angular.copy(this.cookieHash);
        this.cookieHash = angular.copy(this.cookieHash);
      }
      return this.cookieHash;
    }
  },

  notifyWhenNoOutstandingRequests: function(fn) {
    fn();
  }
};


/**
 * @ngdoc object
 * @name ngMock.$exceptionHandlerProvider
 *
 * @description
 * Configures the mock implementation of {@link ng.$exceptionHandler} to rethrow or to log errors passed
 * into the `$exceptionHandler`.
 */

/**
 * @ngdoc object
 * @name ngMock.$exceptionHandler
 *
 * @description
 * Mock implementation of {@link ng.$exceptionHandler} that rethrows or logs errors passed
 * into it. See {@link ngMock.$exceptionHandlerProvider $exceptionHandlerProvider} for configuration
 * information.
 *
 *
 * <pre>
 *   describe('$exceptionHandlerProvider', function() {
 *
 *     it('should capture log messages and exceptions', function() {
 *
 *       module(function($exceptionHandlerProvider) {
 *         $exceptionHandlerProvider.mode('log');
 *       });
 *
 *       inject(function($log, $exceptionHandler, $timeout) {
 *         $timeout(function() { $log.log(1); });
 *         $timeout(function() { $log.log(2); throw 'banana peel'; });
 *         $timeout(function() { $log.log(3); });
 *         expect($exceptionHandler.errors).toEqual([]);
 *         expect($log.assertEmpty());
 *         $timeout.flush();
 *         expect($exceptionHandler.errors).toEqual(['banana peel']);
 *         expect($log.log.logs).toEqual([[1], [2], [3]]);
 *       });
 *     });
 *   });
 * </pre>
 */

angular.mock.$ExceptionHandlerProvider = function() {
  var handler;

  /**
   * @ngdoc method
   * @name ngMock.$exceptionHandlerProvider#mode
   * @methodOf ngMock.$exceptionHandlerProvider
   *
   * @description
   * Sets the logging mode.
   *
   * @param {string} mode Mode of operation, defaults to `rethrow`.
   *
   *   - `rethrow`: If any errors are passed into the handler in tests, it typically
   *                means that there is a bug in the application or test, so this mock will
   *                make these tests fail.
   *   - `log`: Sometimes it is desirable to test that an error is thrown, for this case the `log` mode stores an
   *            array of errors in `$exceptionHandler.errors`, to allow later assertion of them.
   *            See {@link ngMock.$log#assertEmpty assertEmpty()} and
   *             {@link ngMock.$log#reset reset()}
   */
  this.mode = function(mode) {
    switch(mode) {
      case 'rethrow':
        handler = function(e) {
          throw e;
        };
        break;
      case 'log':
        var errors = [];

        handler = function(e) {
          if (arguments.length == 1) {
            errors.push(e);
          } else {
            errors.push([].slice.call(arguments, 0));
          }
        };

        handler.errors = errors;
        break;
      default:
        throw Error("Unknown mode '" + mode + "', only 'log'/'rethrow' modes are allowed!");
    }
  };

  this.$get = function() {
    return handler;
  };

  this.mode('rethrow');
};


/**
 * @ngdoc service
 * @name ngMock.$log
 *
 * @description
 * Mock implementation of {@link ng.$log} that gathers all logged messages in arrays
 * (one array per logging level). These arrays are exposed as `logs` property of each of the
 * level-specific log function, e.g. for level `error` the array is exposed as `$log.error.logs`.
 *
 */
angular.mock.$LogProvider = function() {

  function concat(array1, array2, index) {
    return array1.concat(Array.prototype.slice.call(array2, index));
  }


  this.$get = function () {
    var $log = {
      log: function() { $log.log.logs.push(concat([], arguments, 0)); },
      warn: function() { $log.warn.logs.push(concat([], arguments, 0)); },
      info: function() { $log.info.logs.push(concat([], arguments, 0)); },
      error: function() { $log.error.logs.push(concat([], arguments, 0)); }
    };

    /**
     * @ngdoc method
     * @name ngMock.$log#reset
     * @methodOf ngMock.$log
     *
     * @description
     * Reset all of the logging arrays to empty.
     */
    $log.reset = function () {
      /**
       * @ngdoc property
       * @name ngMock.$log#log.logs
       * @propertyOf ngMock.$log
       *
       * @description
       * Array of messages logged using {@link ngMock.$log#log}.
       *
       * @example
       * <pre>
       * $log.log('Some Log');
       * var first = $log.log.logs.unshift();
       * </pre>
       */
      $log.log.logs = [];
      /**
       * @ngdoc property
       * @name ngMock.$log#warn.logs
       * @propertyOf ngMock.$log
       *
       * @description
       * Array of messages logged using {@link ngMock.$log#warn}.
       *
       * @example
       * <pre>
       * $log.warn('Some Warning');
       * var first = $log.warn.logs.unshift();
       * </pre>
       */
      $log.warn.logs = [];
      /**
       * @ngdoc property
       * @name ngMock.$log#info.logs
       * @propertyOf ngMock.$log
       *
       * @description
       * Array of messages logged using {@link ngMock.$log#info}.
       *
       * @example
       * <pre>
       * $log.info('Some Info');
       * var first = $log.info.logs.unshift();
       * </pre>
       */
      $log.info.logs = [];
      /**
       * @ngdoc property
       * @name ngMock.$log#error.logs
       * @propertyOf ngMock.$log
       *
       * @description
       * Array of messages logged using {@link ngMock.$log#error}.
       *
       * @example
       * <pre>
       * $log.log('Some Error');
       * var first = $log.error.logs.unshift();
       * </pre>
       */
      $log.error.logs = [];
    };

    /**
     * @ngdoc method
     * @name ngMock.$log#assertEmpty
     * @methodOf ngMock.$log
     *
     * @description
     * Assert that the all of the logging methods have no logged messages. If messages present, an exception is thrown.
     */
    $log.assertEmpty = function() {
      var errors = [];
      angular.forEach(['error', 'warn', 'info', 'log'], function(logLevel) {
        angular.forEach($log[logLevel].logs, function(log) {
          angular.forEach(log, function (logItem) {
            errors.push('MOCK $log (' + logLevel + '): ' + String(logItem) + '\n' + (logItem.stack || ''));
          });
        });
      });
      if (errors.length) {
        errors.unshift("Expected $log to be empty! Either a message was logged unexpectedly, or an expected " +
          "log message was not checked and removed:");
        errors.push('');
        throw new Error(errors.join('\n---------\n'));
      }
    };

    $log.reset();
    return $log;
  };
};


(function() {
  var R_ISO8061_STR = /^(\d{4})-?(\d\d)-?(\d\d)(?:T(\d\d)(?:\:?(\d\d)(?:\:?(\d\d)(?:\.(\d{3}))?)?)?(Z|([+-])(\d\d):?(\d\d)))?$/;

  function jsonStringToDate(string) {
    var match;
    if (match = string.match(R_ISO8061_STR)) {
      var date = new Date(0),
          tzHour = 0,
          tzMin  = 0;
      if (match[9]) {
        tzHour = int(match[9] + match[10]);
        tzMin = int(match[9] + match[11]);
      }
      date.setUTCFullYear(int(match[1]), int(match[2]) - 1, int(match[3]));
      date.setUTCHours(int(match[4]||0) - tzHour, int(match[5]||0) - tzMin, int(match[6]||0), int(match[7]||0));
      return date;
    }
    return string;
  }

  function int(str) {
    return parseInt(str, 10);
  }

  function padNumber(num, digits, trim) {
    var neg = '';
    if (num < 0) {
      neg =  '-';
      num = -num;
    }
    num = '' + num;
    while(num.length < digits) num = '0' + num;
    if (trim)
      num = num.substr(num.length - digits);
    return neg + num;
  }


  /**
   * @ngdoc object
   * @name angular.mock.TzDate
   * @description
   *
   * *NOTE*: this is not an injectable instance, just a globally available mock class of `Date`.
   *
   * Mock of the Date type which has its timezone specified via constructor arg.
   *
   * The main purpose is to create Date-like instances with timezone fixed to the specified timezone
   * offset, so that we can test code that depends on local timezone settings without dependency on
   * the time zone settings of the machine where the code is running.
   *
   * @param {number} offset Offset of the *desired* timezone in hours (fractions will be honored)
   * @param {(number|string)} timestamp Timestamp representing the desired time in *UTC*
   *
   * @example
   * !!!! WARNING !!!!!
   * This is not a complete Date object so only methods that were implemented can be called safely.
   * To make matters worse, TzDate instances inherit stuff from Date via a prototype.
   *
   * We do our best to intercept calls to "unimplemented" methods, but since the list of methods is
   * incomplete we might be missing some non-standard methods. This can result in errors like:
   * "Date.prototype.foo called on incompatible Object".
   *
   * <pre>
   * var newYearInBratislava = new TzDate(-1, '2009-12-31T23:00:00Z');
   * newYearInBratislava.getTimezoneOffset() => -60;
   * newYearInBratislava.getFullYear() => 2010;
   * newYearInBratislava.getMonth() => 0;
   * newYearInBratislava.getDate() => 1;
   * newYearInBratislava.getHours() => 0;
   * newYearInBratislava.getMinutes() => 0;
   * </pre>
   *
   */
  angular.mock.TzDate = function (offset, timestamp) {
    var self = new Date(0);
    if (angular.isString(timestamp)) {
      var tsStr = timestamp;

      self.origDate = jsonStringToDate(timestamp);

      timestamp = self.origDate.getTime();
      if (isNaN(timestamp))
        throw {
          name: "Illegal Argument",
          message: "Arg '" + tsStr + "' passed into TzDate constructor is not a valid date string"
        };
    } else {
      self.origDate = new Date(timestamp);
    }

    var localOffset = new Date(timestamp).getTimezoneOffset();
    self.offsetDiff = localOffset*60*1000 - offset*1000*60*60;
    self.date = new Date(timestamp + self.offsetDiff);

    self.getTime = function() {
      return self.date.getTime() - self.offsetDiff;
    };

    self.toLocaleDateString = function() {
      return self.date.toLocaleDateString();
    };

    self.getFullYear = function() {
      return self.date.getFullYear();
    };

    self.getMonth = function() {
      return self.date.getMonth();
    };

    self.getDate = function() {
      return self.date.getDate();
    };

    self.getHours = function() {
      return self.date.getHours();
    };

    self.getMinutes = function() {
      return self.date.getMinutes();
    };

    self.getSeconds = function() {
      return self.date.getSeconds();
    };

    self.getTimezoneOffset = function() {
      return offset * 60;
    };

    self.getUTCFullYear = function() {
      return self.origDate.getUTCFullYear();
    };

    self.getUTCMonth = function() {
      return self.origDate.getUTCMonth();
    };

    self.getUTCDate = function() {
      return self.origDate.getUTCDate();
    };

    self.getUTCHours = function() {
      return self.origDate.getUTCHours();
    };

    self.getUTCMinutes = function() {
      return self.origDate.getUTCMinutes();
    };

    self.getUTCSeconds = function() {
      return self.origDate.getUTCSeconds();
    };

    self.getUTCMilliseconds = function() {
      return self.origDate.getUTCMilliseconds();
    };

    self.getDay = function() {
      return self.date.getDay();
    };

    // provide this method only on browsers that already have it
    if (self.toISOString) {
      self.toISOString = function() {
        return padNumber(self.origDate.getUTCFullYear(), 4) + '-' +
              padNumber(self.origDate.getUTCMonth() + 1, 2) + '-' +
              padNumber(self.origDate.getUTCDate(), 2) + 'T' +
              padNumber(self.origDate.getUTCHours(), 2) + ':' +
              padNumber(self.origDate.getUTCMinutes(), 2) + ':' +
              padNumber(self.origDate.getUTCSeconds(), 2) + '.' +
              padNumber(self.origDate.getUTCMilliseconds(), 3) + 'Z'
      }
    }

    //hide all methods not implemented in this mock that the Date prototype exposes
    var unimplementedMethods = ['getMilliseconds', 'getUTCDay',
        'getYear', 'setDate', 'setFullYear', 'setHours', 'setMilliseconds',
        'setMinutes', 'setMonth', 'setSeconds', 'setTime', 'setUTCDate', 'setUTCFullYear',
        'setUTCHours', 'setUTCMilliseconds', 'setUTCMinutes', 'setUTCMonth', 'setUTCSeconds',
        'setYear', 'toDateString', 'toGMTString', 'toJSON', 'toLocaleFormat', 'toLocaleString',
        'toLocaleTimeString', 'toSource', 'toString', 'toTimeString', 'toUTCString', 'valueOf'];

    angular.forEach(unimplementedMethods, function(methodName) {
      self[methodName] = function() {
        throw Error("Method '" + methodName + "' is not implemented in the TzDate mock");
      };
    });

    return self;
  };

  //make "tzDateInstance instanceof Date" return true
  angular.mock.TzDate.prototype = Date.prototype;
})();


/**
 * @ngdoc function
 * @name angular.mock.dump
 * @description
 *
 * *NOTE*: this is not an injectable instance, just a globally available function.
 *
 * Method for serializing common angular objects (scope, elements, etc..) into strings, useful for debugging.
 *
 * This method is also available on window, where it can be used to display objects on debug console.
 *
 * @param {*} object - any object to turn into string.
 * @return {string} a serialized string of the argument
 */
angular.mock.dump = function(object) {
  return serialize(object);

  function serialize(object) {
    var out;

    if (angular.isElement(object)) {
      object = angular.element(object);
      out = angular.element('<div></div>');
      angular.forEach(object, function(element) {
        out.append(angular.element(element).clone());
      });
      out = out.html();
    } else if (angular.isArray(object)) {
      out = [];
      angular.forEach(object, function(o) {
        out.push(serialize(o));
      });
      out = '[ ' + out.join(', ') + ' ]';
    } else if (angular.isObject(object)) {
      if (angular.isFunction(object.$eval) && angular.isFunction(object.$apply)) {
        out = serializeScope(object);
      } else if (object instanceof Error) {
        out = object.stack || ('' + object.name + ': ' + object.message);
      } else {
        out = angular.toJson(object, true);
      }
    } else {
      out = String(object);
    }

    return out;
  }

  function serializeScope(scope, offset) {
    offset = offset ||  '  ';
    var log = [offset + 'Scope(' + scope.$id + '): {'];
    for ( var key in scope ) {
      if (scope.hasOwnProperty(key) && !key.match(/^(\$|this)/)) {
        log.push('  ' + key + ': ' + angular.toJson(scope[key]));
      }
    }
    var child = scope.$$childHead;
    while(child) {
      log.push(serializeScope(child, offset + '  '));
      child = child.$$nextSibling;
    }
    log.push('}');
    return log.join('\n' + offset);
  }
};

/**
 * @ngdoc object
 * @name ngMock.$httpBackend
 * @description
 * Fake HTTP backend implementation suitable for unit testing applications that use the
 * {@link ng.$http $http service}.
 *
 * *Note*: For fake HTTP backend implementation suitable for end-to-end testing or backend-less
 * development please see {@link ngMockE2E.$httpBackend e2e $httpBackend mock}.
 *
 * During unit testing, we want our unit tests to run quickly and have no external dependencies so
 * we don’t want to send {@link https://developer.mozilla.org/en/xmlhttprequest XHR} or
 * {@link http://en.wikipedia.org/wiki/JSONP JSONP} requests to a real server. All we really need is
 * to verify whether a certain request has been sent or not, or alternatively just let the
 * application make requests, respond with pre-trained responses and assert that the end result is
 * what we expect it to be.
 *
 * This mock implementation can be used to respond with static or dynamic responses via the
 * `expect` and `when` apis and their shortcuts (`expectGET`, `whenPOST`, etc).
 *
 * When an Angular application needs some data from a server, it calls the $http service, which
 * sends the request to a real server using $httpBackend service. With dependency injection, it is
 * easy to inject $httpBackend mock (which has the same API as $httpBackend) and use it to verify
 * the requests and respond with some testing data without sending a request to real server.
 *
 * There are two ways to specify what test data should be returned as http responses by the mock
 * backend when the code under test makes http requests:
 *
 * - `$httpBackend.expect` - specifies a request expectation
 * - `$httpBackend.when` - specifies a backend definition
 *
 *
 * # Request Expectations vs Backend Definitions
 *
 * Request expectations provide a way to make assertions about requests made by the application and
 * to define responses for those requests. The test will fail if the expected requests are not made
 * or they are made in the wrong order.
 *
 * Backend definitions allow you to define a fake backend for your application which doesn't assert
 * if a particular request was made or not, it just returns a trained response if a request is made.
 * The test will pass whether or not the request gets made during testing.
 *
 *
 * <table class="table">
 *   <tr><th width="220px"></th><th>Request expectations</th><th>Backend definitions</th></tr>
 *   <tr>
 *     <th>Syntax</th>
 *     <td>.expect(...).respond(...)</td>
 *     <td>.when(...).respond(...)</td>
 *   </tr>
 *   <tr>
 *     <th>Typical usage</th>
 *     <td>strict unit tests</td>
 *     <td>loose (black-box) unit testing</td>
 *   </tr>
 *   <tr>
 *     <th>Fulfills multiple requests</th>
 *     <td>NO</td>
 *     <td>YES</td>
 *   </tr>
 *   <tr>
 *     <th>Order of requests matters</th>
 *     <td>YES</td>
 *     <td>NO</td>
 *   </tr>
 *   <tr>
 *     <th>Request required</th>
 *     <td>YES</td>
 *     <td>NO</td>
 *   </tr>
 *   <tr>
 *     <th>Response required</th>
 *     <td>optional (see below)</td>
 *     <td>YES</td>
 *   </tr>
 * </table>
 *
 * In cases where both backend definitions and request expectations are specified during unit
 * testing, the request expectations are evaluated first.
 *
 * If a request expectation has no response specified, the algorithm will search your backend
 * definitions for an appropriate response.
 *
 * If a request didn't match any expectation or if the expectation doesn't have the response
 * defined, the backend definitions are evaluated in sequential order to see if any of them match
 * the request. The response from the first matched definition is returned.
 *
 *
 * # Flushing HTTP requests
 *
 * The $httpBackend used in production, always responds to requests with responses asynchronously.
 * If we preserved this behavior in unit testing, we'd have to create async unit tests, which are
 * hard to write, follow and maintain. At the same time the testing mock, can't respond
 * synchronously because that would change the execution of the code under test. For this reason the
 * mock $httpBackend has a `flush()` method, which allows the test to explicitly flush pending
 * requests and thus preserving the async api of the backend, while allowing the test to execute
 * synchronously.
 *
 *
 * # Unit testing with mock $httpBackend
 * The following code shows how to setup and use the mock backend in unit testing a controller.
 * First we create the controller under test
 *
  <pre>
  // The controller code
  function MyController($scope, $http) {
    var authToken;

    $http.get('/auth.py').success(function(data, status, headers) {
      authToken = headers('A-Token');
      $scope.user = data;
    });

    $scope.saveMessage = function(message) {
      var headers = { 'Authorization': authToken };
      $scope.status = 'Saving...';

      $http.post('/add-msg.py', message, { headers: headers } ).success(function(response) {
        $scope.status = '';
      }).error(function() {
        $scope.status = 'ERROR!';
      });
    };
  }
  </pre>
 *
 * Now we setup the mock backend and create the test specs.
 *
  <pre>
    // testing controller
    describe('MyController', function() {
       var $httpBackend, $rootScope, createController;

       beforeEach(inject(function($injector) {
         // Set up the mock http service responses
         $httpBackend = $injector.get('$httpBackend');
         // backend definition common for all tests
         $httpBackend.when('GET', '/auth.py').respond({userId: 'userX'}, {'A-Token': 'xxx'});

         // Get hold of a scope (i.e. the root scope)
         $rootScope = $injector.get('$rootScope');
         // The $controller service is used to create instances of controllers
         var $controller = $injector.get('$controller');

         createController = function() {
           return $controller('MyController', {'$scope' : $rootScope });
         };
       }));


       afterEach(function() {
         $httpBackend.verifyNoOutstandingExpectation();
         $httpBackend.verifyNoOutstandingRequest();
       });


       it('should fetch authentication token', function() {
         $httpBackend.expectGET('/auth.py');
         var controller = createController();
         $httpBackend.flush();
       });


       it('should send msg to server', function() {
         var controller = createController();
         $httpBackend.flush();

         // now you don’t care about the authentication, but
         // the controller will still send the request and
         // $httpBackend will respond without you having to
         // specify the expectation and response for this request

         $httpBackend.expectPOST('/add-msg.py', 'message content').respond(201, '');
         $rootScope.saveMessage('message content');
         expect($rootScope.status).toBe('Saving...');
         $httpBackend.flush();
         expect($rootScope.status).toBe('');
       });


       it('should send auth header', function() {
         var controller = createController();
         $httpBackend.flush();

         $httpBackend.expectPOST('/add-msg.py', undefined, function(headers) {
           // check if the header was send, if it wasn't the expectation won't
           // match the request and the test will fail
           return headers['Authorization'] == 'xxx';
         }).respond(201, '');

         $rootScope.saveMessage('whatever');
         $httpBackend.flush();
       });
    });
   </pre>
 */
angular.mock.$HttpBackendProvider = function() {
  this.$get = [createHttpBackendMock];
};

/**
 * General factory function for $httpBackend mock.
 * Returns instance for unit testing (when no arguments specified):
 *   - passing through is disabled
 *   - auto flushing is disabled
 *
 * Returns instance for e2e testing (when `$delegate` and `$browser` specified):
 *   - passing through (delegating request to real backend) is enabled
 *   - auto flushing is enabled
 *
 * @param {Object=} $delegate Real $httpBackend instance (allow passing through if specified)
 * @param {Object=} $browser Auto-flushing enabled if specified
 * @return {Object} Instance of $httpBackend mock
 */
function createHttpBackendMock($delegate, $browser) {
  var definitions = [],
      expectations = [],
      responses = [],
      responsesPush = angular.bind(responses, responses.push);

  function createResponse(status, data, headers) {
    if (angular.isFunction(status)) return status;

    return function() {
      return angular.isNumber(status)
          ? [status, data, headers]
          : [200, status, data];
    };
  }

  // TODO(vojta): change params to: method, url, data, headers, callback
  function $httpBackend(method, url, data, callback, headers) {
    var xhr = new MockXhr(),
        expectation = expectations[0],
        wasExpected = false;

    function prettyPrint(data) {
      return (angular.isString(data) || angular.isFunction(data) || data instanceof RegExp)
          ? data
          : angular.toJson(data);
    }

    if (expectation && expectation.match(method, url)) {
      if (!expectation.matchData(data))
        throw Error('Expected ' + expectation + ' with different data\n' +
            'EXPECTED: ' + prettyPrint(expectation.data) + '\nGOT:      ' + data);

      if (!expectation.matchHeaders(headers))
        throw Error('Expected ' + expectation + ' with different headers\n' +
            'EXPECTED: ' + prettyPrint(expectation.headers) + '\nGOT:      ' +
            prettyPrint(headers));

      expectations.shift();

      if (expectation.response) {
        responses.push(function() {
          var response = expectation.response(method, url, data, headers);
          xhr.$$respHeaders = response[2];
          callback(response[0], response[1], xhr.getAllResponseHeaders());
        });
        return;
      }
      wasExpected = true;
    }

    var i = -1, definition;
    while ((definition = definitions[++i])) {
      if (definition.match(method, url, data, headers || {})) {
        if (definition.response) {
          // if $browser specified, we do auto flush all requests
          ($browser ? $browser.defer : responsesPush)(function() {
            var response = definition.response(method, url, data, headers);
            xhr.$$respHeaders = response[2];
            callback(response[0], response[1], xhr.getAllResponseHeaders());
          });
        } else if (definition.passThrough) {
          $delegate(method, url, data, callback, headers);
        } else throw Error('No response defined !');
        return;
      }
    }
    throw wasExpected ?
        Error('No response defined !') :
        Error('Unexpected request: ' + method + ' ' + url + '\n' +
              (expectation ? 'Expected ' + expectation : 'No more request expected'));
  }

  /**
   * @ngdoc method
   * @name ngMock.$httpBackend#when
   * @methodOf ngMock.$httpBackend
   * @description
   * Creates a new backend definition.
   *
   * @param {string} method HTTP method.
   * @param {string|RegExp} url HTTP url.
   * @param {(string|RegExp)=} data HTTP request body.
   * @param {(Object|function(Object))=} headers HTTP headers or function that receives http header
   *   object and returns true if the headers match the current definition.
   * @returns {requestHandler} Returns an object with `respond` method that control how a matched
   *   request is handled.
   *
   *  - respond – `{function([status,] data[, headers])|function(function(method, url, data, headers)}`
   *    – The respond method takes a set of static data to be returned or a function that can return
   *    an array containing response status (number), response data (string) and response headers
   *    (Object).
   */
  $httpBackend.when = function(method, url, data, headers) {
    var definition = new MockHttpExpectation(method, url, data, headers),
        chain = {
          respond: function(status, data, headers) {
            definition.response = createResponse(status, data, headers);
          }
        };

    if ($browser) {
      chain.passThrough = function() {
        definition.passThrough = true;
      };
    }

    definitions.push(definition);
    return chain;
  };

  /**
   * @ngdoc method
   * @name ngMock.$httpBackend#whenGET
   * @methodOf ngMock.$httpBackend
   * @description
   * Creates a new backend definition for GET requests. For more info see `when()`.
   *
   * @param {string|RegExp} url HTTP url.
   * @param {(Object|function(Object))=} headers HTTP headers.
   * @returns {requestHandler} Returns an object with `respond` method that control how a matched
   * request is handled.
   */

  /**
   * @ngdoc method
   * @name ngMock.$httpBackend#whenHEAD
   * @methodOf ngMock.$httpBackend
   * @description
   * Creates a new backend definition for HEAD requests. For more info see `when()`.
   *
   * @param {string|RegExp} url HTTP url.
   * @param {(Object|function(Object))=} headers HTTP headers.
   * @returns {requestHandler} Returns an object with `respond` method that control how a matched
   * request is handled.
   */

  /**
   * @ngdoc method
   * @name ngMock.$httpBackend#whenDELETE
   * @methodOf ngMock.$httpBackend
   * @description
   * Creates a new backend definition for DELETE requests. For more info see `when()`.
   *
   * @param {string|RegExp} url HTTP url.
   * @param {(Object|function(Object))=} headers HTTP headers.
   * @returns {requestHandler} Returns an object with `respond` method that control how a matched
   * request is handled.
   */

  /**
   * @ngdoc method
   * @name ngMock.$httpBackend#whenPOST
   * @methodOf ngMock.$httpBackend
   * @description
   * Creates a new backend definition for POST requests. For more info see `when()`.
   *
   * @param {string|RegExp} url HTTP url.
   * @param {(string|RegExp)=} data HTTP request body.
   * @param {(Object|function(Object))=} headers HTTP headers.
   * @returns {requestHandler} Returns an object with `respond` method that control how a matched
   * request is handled.
   */

  /**
   * @ngdoc method
   * @name ngMock.$httpBackend#whenPUT
   * @methodOf ngMock.$httpBackend
   * @description
   * Creates a new backend definition for PUT requests.  For more info see `when()`.
   *
   * @param {string|RegExp} url HTTP url.
   * @param {(string|RegExp)=} data HTTP request body.
   * @param {(Object|function(Object))=} headers HTTP headers.
   * @returns {requestHandler} Returns an object with `respond` method that control how a matched
   * request is handled.
   */

  /**
   * @ngdoc method
   * @name ngMock.$httpBackend#whenJSONP
   * @methodOf ngMock.$httpBackend
   * @description
   * Creates a new backend definition for JSONP requests. For more info see `when()`.
   *
   * @param {string|RegExp} url HTTP url.
   * @returns {requestHandler} Returns an object with `respond` method that control how a matched
   * request is handled.
   */
  createShortMethods('when');


  /**
   * @ngdoc method
   * @name ngMock.$httpBackend#expect
   * @methodOf ngMock.$httpBackend
   * @description
   * Creates a new request expectation.
   *
   * @param {string} method HTTP method.
   * @param {string|RegExp} url HTTP url.
   * @param {(string|RegExp|function(string)|Object)=} data HTTP request body or function that
   *  receives data string and returns true if the data is as expected, or Object if request body
   *  is in JSON format.
   * @param {(Object|function(Object))=} headers HTTP headers or function that receives http header
   *   object and returns true if the headers match the current expectation.
   * @returns {requestHandler} Returns an object with `respond` method that control how a matched
   *  request is handled.
   *
   *  - respond – `{function([status,] data[, headers])|function(function(method, url, data, headers)}`
   *    – The respond method takes a set of static data to be returned or a function that can return
   *    an array containing response status (number), response data (string) and response headers
   *    (Object).
   */
  $httpBackend.expect = function(method, url, data, headers) {
    var expectation = new MockHttpExpectation(method, url, data, headers);
    expectations.push(expectation);
    return {
      respond: function(status, data, headers) {
        expectation.response = createResponse(status, data, headers);
      }
    };
  };


  /**
   * @ngdoc method
   * @name ngMock.$httpBackend#expectGET
   * @methodOf ngMock.$httpBackend
   * @description
   * Creates a new request expectation for GET requests. For more info see `expect()`.
   *
   * @param {string|RegExp} url HTTP url.
   * @param {Object=} headers HTTP headers.
   * @returns {requestHandler} Returns an object with `respond` method that control how a matched
   * request is handled. See #expect for more info.
   */

  /**
   * @ngdoc method
   * @name ngMock.$httpBackend#expectHEAD
   * @methodOf ngMock.$httpBackend
   * @description
   * Creates a new request expectation for HEAD requests. For more info see `expect()`.
   *
   * @param {string|RegExp} url HTTP url.
   * @param {Object=} headers HTTP headers.
   * @returns {requestHandler} Returns an object with `respond` method that control how a matched
   *   request is handled.
   */

  /**
   * @ngdoc method
   * @name ngMock.$httpBackend#expectDELETE
   * @methodOf ngMock.$httpBackend
   * @description
   * Creates a new request expectation for DELETE requests. For more info see `expect()`.
   *
   * @param {string|RegExp} url HTTP url.
   * @param {Object=} headers HTTP headers.
   * @returns {requestHandler} Returns an object with `respond` method that control how a matched
   *   request is handled.
   */

  /**
   * @ngdoc method
   * @name ngMock.$httpBackend#expectPOST
   * @methodOf ngMock.$httpBackend
   * @description
   * Creates a new request expectation for POST requests. For more info see `expect()`.
   *
   * @param {string|RegExp} url HTTP url.
   * @param {(string|RegExp|function(string)|Object)=} data HTTP request body or function that
   *  receives data string and returns true if the data is as expected, or Object if request body
   *  is in JSON format.
   * @param {Object=} headers HTTP headers.
   * @returns {requestHandler} Returns an object with `respond` method that control how a matched
   *   request is handled.
   */

  /**
   * @ngdoc method
   * @name ngMock.$httpBackend#expectPUT
   * @methodOf ngMock.$httpBackend
   * @description
   * Creates a new request expectation for PUT requests. For more info see `expect()`.
   *
   * @param {string|RegExp} url HTTP url.
   * @param {(string|RegExp|function(string)|Object)=} data HTTP request body or function that
   *  receives data string and returns true if the data is as expected, or Object if request body
   *  is in JSON format.
   * @param {Object=} headers HTTP headers.
   * @returns {requestHandler} Returns an object with `respond` method that control how a matched
   *   request is handled.
   */

  /**
   * @ngdoc method
   * @name ngMock.$httpBackend#expectPATCH
   * @methodOf ngMock.$httpBackend
   * @description
   * Creates a new request expectation for PATCH requests. For more info see `expect()`.
   *
   * @param {string|RegExp} url HTTP url.
   * @param {(string|RegExp|function(string)|Object)=} data HTTP request body or function that
   *  receives data string and returns true if the data is as expected, or Object if request body
   *  is in JSON format.
   * @param {Object=} headers HTTP headers.
   * @returns {requestHandler} Returns an object with `respond` method that control how a matched
   *   request is handled.
   */

  /**
   * @ngdoc method
   * @name ngMock.$httpBackend#expectJSONP
   * @methodOf ngMock.$httpBackend
   * @description
   * Creates a new request expectation for JSONP requests. For more info see `expect()`.
   *
   * @param {string|RegExp} url HTTP url.
   * @returns {requestHandler} Returns an object with `respond` method that control how a matched
   *   request is handled.
   */
  createShortMethods('expect');


  /**
   * @ngdoc method
   * @name ngMock.$httpBackend#flush
   * @methodOf ngMock.$httpBackend
   * @description
   * Flushes all pending requests using the trained responses.
   *
   * @param {number=} count Number of responses to flush (in the order they arrived). If undefined,
   *   all pending requests will be flushed. If there are no pending requests when the flush method
   *   is called an exception is thrown (as this typically a sign of programming error).
   */
  $httpBackend.flush = function(count) {
    if (!responses.length) throw Error('No pending request to flush !');

    if (angular.isDefined(count)) {
      while (count--) {
        if (!responses.length) throw Error('No more pending request to flush !');
        responses.shift()();
      }
    } else {
      while (responses.length) {
        responses.shift()();
      }
    }
    $httpBackend.verifyNoOutstandingExpectation();
  };


  /**
   * @ngdoc method
   * @name ngMock.$httpBackend#verifyNoOutstandingExpectation
   * @methodOf ngMock.$httpBackend
   * @description
   * Verifies that all of the requests defined via the `expect` api were made. If any of the
   * requests were not made, verifyNoOutstandingExpectation throws an exception.
   *
   * Typically, you would call this method following each test case that asserts requests using an
   * "afterEach" clause.
   *
   * <pre>
   *   afterEach($httpBackend.verifyNoOutstandingExpectation);
   * </pre>
   */
  $httpBackend.verifyNoOutstandingExpectation = function() {
    if (expectations.length) {
      throw Error('Unsatisfied requests: ' + expectations.join(', '));
    }
  };


  /**
   * @ngdoc method
   * @name ngMock.$httpBackend#verifyNoOutstandingRequest
   * @methodOf ngMock.$httpBackend
   * @description
   * Verifies that there are no outstanding requests that need to be flushed.
   *
   * Typically, you would call this method following each test case that asserts requests using an
   * "afterEach" clause.
   *
   * <pre>
   *   afterEach($httpBackend.verifyNoOutstandingRequest);
   * </pre>
   */
  $httpBackend.verifyNoOutstandingRequest = function() {
    if (responses.length) {
      throw Error('Unflushed requests: ' + responses.length);
    }
  };


  /**
   * @ngdoc method
   * @name ngMock.$httpBackend#resetExpectations
   * @methodOf ngMock.$httpBackend
   * @description
   * Resets all request expectations, but preserves all backend definitions. Typically, you would
   * call resetExpectations during a multiple-phase test when you want to reuse the same instance of
   * $httpBackend mock.
   */
  $httpBackend.resetExpectations = function() {
    expectations.length = 0;
    responses.length = 0;
  };

  return $httpBackend;


  function createShortMethods(prefix) {
    angular.forEach(['GET', 'DELETE', 'JSONP'], function(method) {
     $httpBackend[prefix + method] = function(url, headers) {
       return $httpBackend[prefix](method, url, undefined, headers)
     }
    });

    angular.forEach(['PUT', 'POST', 'PATCH'], function(method) {
      $httpBackend[prefix + method] = function(url, data, headers) {
        return $httpBackend[prefix](method, url, data, headers)
      }
    });
  }
}

function MockHttpExpectation(method, url, data, headers) {

  this.data = data;
  this.headers = headers;

  this.match = function(m, u, d, h) {
    if (method != m) return false;
    if (!this.matchUrl(u)) return false;
    if (angular.isDefined(d) && !this.matchData(d)) return false;
    if (angular.isDefined(h) && !this.matchHeaders(h)) return false;
    return true;
  };

  this.matchUrl = function(u) {
    if (!url) return true;
    if (angular.isFunction(url.test)) return url.test(u);
    return url == u;
  };

  this.matchHeaders = function(h) {
    if (angular.isUndefined(headers)) return true;
    if (angular.isFunction(headers)) return headers(h);
    return angular.equals(headers, h);
  };

  this.matchData = function(d) {
    if (angular.isUndefined(data)) return true;
    if (data && angular.isFunction(data.test)) return data.test(d);
    if (data && !angular.isString(data)) return angular.toJson(data) == d;
    return data == d;
  };

  this.toString = function() {
    return method + ' ' + url;
  };
}

function MockXhr() {

  // hack for testing $http, $httpBackend
  MockXhr.$$lastInstance = this;

  this.open = function(method, url, async) {
    this.$$method = method;
    this.$$url = url;
    this.$$async = async;
    this.$$reqHeaders = {};
    this.$$respHeaders = {};
  };

  this.send = function(data) {
    this.$$data = data;
  };

  this.setRequestHeader = function(key, value) {
    this.$$reqHeaders[key] = value;
  };

  this.getResponseHeader = function(name) {
    // the lookup must be case insensitive, that's why we try two quick lookups and full scan at last
    var header = this.$$respHeaders[name];
    if (header) return header;

    name = angular.lowercase(name);
    header = this.$$respHeaders[name];
    if (header) return header;

    header = undefined;
    angular.forEach(this.$$respHeaders, function(headerVal, headerName) {
      if (!header && angular.lowercase(headerName) == name) header = headerVal;
    });
    return header;
  };

  this.getAllResponseHeaders = function() {
    var lines = [];

    angular.forEach(this.$$respHeaders, function(value, key) {
      lines.push(key + ': ' + value);
    });
    return lines.join('\n');
  };

  this.abort = angular.noop;
}


/**
 * @ngdoc function
 * @name ngMock.$timeout
 * @description
 *
 * This service is just a simple decorator for {@link ng.$timeout $timeout} service
 * that adds a "flush" method.
 */

/**
 * @ngdoc method
 * @name ngMock.$timeout#flush
 * @methodOf ngMock.$timeout
 * @description
 *
 * Flushes the queue of pending tasks.
 */

/**
 *
 */
angular.mock.$RootElementProvider = function() {
  this.$get = function() {
    return angular.element('<div ng-app></div>');
  }
};

/**
 * @ngdoc overview
 * @name ngMock
 * @description
 *
 * The `ngMock` is an angular module which is used with `ng` module and adds unit-test configuration as well as useful
 * mocks to the {@link AUTO.$injector $injector}.
 */
angular.module('ngMock', ['ng']).provider({
  $browser: angular.mock.$BrowserProvider,
  $exceptionHandler: angular.mock.$ExceptionHandlerProvider,
  $log: angular.mock.$LogProvider,
  $httpBackend: angular.mock.$HttpBackendProvider,
  $rootElement: angular.mock.$RootElementProvider
}).config(function($provide) {
  $provide.decorator('$timeout', function($delegate, $browser) {
    $delegate.flush = function(delay) {
      $browser.defer.flush(delay);
    };
    return $delegate;
  });
});


/**
 * @ngdoc overview
 * @name ngMockE2E
 * @description
 *
 * The `ngMockE2E` is an angular module which contains mocks suitable for end-to-end testing.
 * Currently there is only one mock present in this module -
 * the {@link ngMockE2E.$httpBackend e2e $httpBackend} mock.
 */
angular.module('ngMockE2E', ['ng']).config(function($provide) {
  $provide.decorator('$httpBackend', angular.mock.e2e.$httpBackendDecorator);
});

/**
 * @ngdoc object
 * @name ngMockE2E.$httpBackend
 * @description
 * Fake HTTP backend implementation suitable for end-to-end testing or backend-less development of
 * applications that use the {@link ng.$http $http service}.
 *
 * *Note*: For fake http backend implementation suitable for unit testing please see
 * {@link ngMock.$httpBackend unit-testing $httpBackend mock}.
 *
 * This implementation can be used to respond with static or dynamic responses via the `when` api
 * and its shortcuts (`whenGET`, `whenPOST`, etc) and optionally pass through requests to the
 * real $httpBackend for specific requests (e.g. to interact with certain remote apis or to fetch
 * templates from a webserver).
 *
 * As opposed to unit-testing, in an end-to-end testing scenario or in scenario when an application
 * is being developed with the real backend api replaced with a mock, it is often desirable for
 * certain category of requests to bypass the mock and issue a real http request (e.g. to fetch
 * templates or static files from the webserver). To configure the backend with this behavior
 * use the `passThrough` request handler of `when` instead of `respond`.
 *
 * Additionally, we don't want to manually have to flush mocked out requests like we do during unit
 * testing. For this reason the e2e $httpBackend automatically flushes mocked out requests
 * automatically, closely simulating the behavior of the XMLHttpRequest object.
 *
 * To setup the application to run with this http backend, you have to create a module that depends
 * on the `ngMockE2E` and your application modules and defines the fake backend:
 *
 * <pre>
 *   myAppDev = angular.module('myAppDev', ['myApp', 'ngMockE2E']);
 *   myAppDev.run(function($httpBackend) {
 *     phones = [{name: 'phone1'}, {name: 'phone2'}];
 *
 *     // returns the current list of phones
 *     $httpBackend.whenGET('/phones').respond(phones);
 *
 *     // adds a new phone to the phones array
 *     $httpBackend.whenPOST('/phones').respond(function(method, url, data) {
 *       phones.push(angular.fromJson(data));
 *     });
 *     $httpBackend.whenGET(/^\/templates\//).passThrough();
 *     //...
 *   });
 * </pre>
 *
 * Afterwards, bootstrap your app with this new module.
 */

/**
 * @ngdoc method
 * @name ngMockE2E.$httpBackend#when
 * @methodOf ngMockE2E.$httpBackend
 * @description
 * Creates a new backend definition.
 *
 * @param {string} method HTTP method.
 * @param {string|RegExp} url HTTP url.
 * @param {(string|RegExp)=} data HTTP request body.
 * @param {(Object|function(Object))=} headers HTTP headers or function that receives http header
 *   object and returns true if the headers match the current definition.
 * @returns {requestHandler} Returns an object with `respond` and `passThrough` methods that
 *   control how a matched request is handled.
 *
 *  - respond – `{function([status,] data[, headers])|function(function(method, url, data, headers)}`
 *    – The respond method takes a set of static data to be returned or a function that can return
 *    an array containing response status (number), response data (string) and response headers
 *    (Object).
 *  - passThrough – `{function()}` – Any request matching a backend definition with `passThrough`
 *    handler, will be pass through to the real backend (an XHR request will be made to the
 *    server.
 */

/**
 * @ngdoc method
 * @name ngMockE2E.$httpBackend#whenGET
 * @methodOf ngMockE2E.$httpBackend
 * @description
 * Creates a new backend definition for GET requests. For more info see `when()`.
 *
 * @param {string|RegExp} url HTTP url.
 * @param {(Object|function(Object))=} headers HTTP headers.
 * @returns {requestHandler} Returns an object with `respond` and `passThrough` methods that
 *   control how a matched request is handled.
 */

/**
 * @ngdoc method
 * @name ngMockE2E.$httpBackend#whenHEAD
 * @methodOf ngMockE2E.$httpBackend
 * @description
 * Creates a new backend definition for HEAD requests. For more info see `when()`.
 *
 * @param {string|RegExp} url HTTP url.
 * @param {(Object|function(Object))=} headers HTTP headers.
 * @returns {requestHandler} Returns an object with `respond` and `passThrough` methods that
 *   control how a matched request is handled.
 */

/**
 * @ngdoc method
 * @name ngMockE2E.$httpBackend#whenDELETE
 * @methodOf ngMockE2E.$httpBackend
 * @description
 * Creates a new backend definition for DELETE requests. For more info see `when()`.
 *
 * @param {string|RegExp} url HTTP url.
 * @param {(Object|function(Object))=} headers HTTP headers.
 * @returns {requestHandler} Returns an object with `respond` and `passThrough` methods that
 *   control how a matched request is handled.
 */

/**
 * @ngdoc method
 * @name ngMockE2E.$httpBackend#whenPOST
 * @methodOf ngMockE2E.$httpBackend
 * @description
 * Creates a new backend definition for POST requests. For more info see `when()`.
 *
 * @param {string|RegExp} url HTTP url.
 * @param {(string|RegExp)=} data HTTP request body.
 * @param {(Object|function(Object))=} headers HTTP headers.
 * @returns {requestHandler} Returns an object with `respond` and `passThrough` methods that
 *   control how a matched request is handled.
 */

/**
 * @ngdoc method
 * @name ngMockE2E.$httpBackend#whenPUT
 * @methodOf ngMockE2E.$httpBackend
 * @description
 * Creates a new backend definition for PUT requests.  For more info see `when()`.
 *
 * @param {string|RegExp} url HTTP url.
 * @param {(string|RegExp)=} data HTTP request body.
 * @param {(Object|function(Object))=} headers HTTP headers.
 * @returns {requestHandler} Returns an object with `respond` and `passThrough` methods that
 *   control how a matched request is handled.
 */

/**
 * @ngdoc method
 * @name ngMockE2E.$httpBackend#whenPATCH
 * @methodOf ngMockE2E.$httpBackend
 * @description
 * Creates a new backend definition for PATCH requests.  For more info see `when()`.
 *
 * @param {string|RegExp} url HTTP url.
 * @param {(string|RegExp)=} data HTTP request body.
 * @param {(Object|function(Object))=} headers HTTP headers.
 * @returns {requestHandler} Returns an object with `respond` and `passThrough` methods that
 *   control how a matched request is handled.
 */

/**
 * @ngdoc method
 * @name ngMockE2E.$httpBackend#whenJSONP
 * @methodOf ngMockE2E.$httpBackend
 * @description
 * Creates a new backend definition for JSONP requests. For more info see `when()`.
 *
 * @param {string|RegExp} url HTTP url.
 * @returns {requestHandler} Returns an object with `respond` and `passThrough` methods that
 *   control how a matched request is handled.
 */
angular.mock.e2e = {};
angular.mock.e2e.$httpBackendDecorator = ['$delegate', '$browser', createHttpBackendMock];


angular.mock.clearDataCache = function() {
  var key,
      cache = angular.element.cache;

  for(key in cache) {
    if (cache.hasOwnProperty(key)) {
      var handle = cache[key].handle;

      handle && angular.element(handle.elem).unbind();
      delete cache[key];
    }
  }
};



window.jasmine && (function(window) {

  afterEach(function() {
    var spec = getCurrentSpec();
    var injector = spec.$injector;

    spec.$injector = null;
    spec.$modules = null;

    if (injector) {
      injector.get('$rootElement').unbind();
      injector.get('$browser').pollFns.length = 0;
    }

    angular.mock.clearDataCache();

    // clean up jquery's fragment cache
    angular.forEach(angular.element.fragments, function(val, key) {
      delete angular.element.fragments[key];
    });

    MockXhr.$$lastInstance = null;

    angular.forEach(angular.callbacks, function(val, key) {
      delete angular.callbacks[key];
    });
    angular.callbacks.counter = 0;
  });

  function getCurrentSpec() {
    return jasmine.getEnv().currentSpec;
  }

  function isSpecRunning() {
    var spec = getCurrentSpec();
    return spec && spec.queue.running;
  }

  /**
   * @ngdoc function
   * @name angular.mock.module
   * @description
   *
   * *NOTE*: This function is also published on window for easy access.<br>
   * *NOTE*: Only available with {@link http://pivotal.github.com/jasmine/ jasmine}.
   *
   * This function registers a module configuration code. It collects the configuration information
   * which will be used when the injector is created by {@link angular.mock.inject inject}.
   *
   * See {@link angular.mock.inject inject} for usage example
   *
   * @param {...(string|Function)} fns any number of modules which are represented as string
   *        aliases or as anonymous module initialization functions. The modules are used to
   *        configure the injector. The 'ng' and 'ngMock' modules are automatically loaded.
   */
  window.module = angular.mock.module = function() {
    var moduleFns = Array.prototype.slice.call(arguments, 0);
    return isSpecRunning() ? workFn() : workFn;
    /////////////////////
    function workFn() {
      var spec = getCurrentSpec();
      if (spec.$injector) {
        throw Error('Injector already created, can not register a module!');
      } else {
        var modules = spec.$modules || (spec.$modules = []);
        angular.forEach(moduleFns, function(module) {
          modules.push(module);
        });
      }
    }
  };

  /**
   * @ngdoc function
   * @name angular.mock.inject
   * @description
   *
   * *NOTE*: This function is also published on window for easy access.<br>
   * *NOTE*: Only available with {@link http://pivotal.github.com/jasmine/ jasmine}.
   *
   * The inject function wraps a function into an injectable function. The inject() creates new
   * instance of {@link AUTO.$injector $injector} per test, which is then used for
   * resolving references.
   *
   * See also {@link angular.mock.module module}
   *
   * Example of what a typical jasmine tests looks like with the inject method.
   * <pre>
   *
   *   angular.module('myApplicationModule', [])
   *       .value('mode', 'app')
   *       .value('version', 'v1.0.1');
   *
   *
   *   describe('MyApp', function() {
   *
   *     // You need to load modules that you want to test,
   *     // it loads only the "ng" module by default.
   *     beforeEach(module('myApplicationModule'));
   *
   *
   *     // inject() is used to inject arguments of all given functions
   *     it('should provide a version', inject(function(mode, version) {
   *       expect(version).toEqual('v1.0.1');
   *       expect(mode).toEqual('app');
   *     }));
   *
   *
   *     // The inject and module method can also be used inside of the it or beforeEach
   *     it('should override a version and test the new version is injected', function() {
   *       // module() takes functions or strings (module aliases)
   *       module(function($provide) {
   *         $provide.value('version', 'overridden'); // override version here
   *       });
   *
   *       inject(function(version) {
   *         expect(version).toEqual('overridden');
   *       });
   *     ));
   *   });
   *
   * </pre>
   *
   * @param {...Function} fns any number of functions which will be injected using the injector.
   */
  window.inject = angular.mock.inject = function() {
    var blockFns = Array.prototype.slice.call(arguments, 0);
    var errorForStack = new Error('Declaration Location');
    return isSpecRunning() ? workFn() : workFn;
    /////////////////////
    function workFn() {
      var spec = getCurrentSpec();
      var modules = spec.$modules || [];
      modules.unshift('ngMock');
      modules.unshift('ng');
      var injector = spec.$injector;
      if (!injector) {
        injector = spec.$injector = angular.injector(modules);
      }
      for(var i = 0, ii = blockFns.length; i < ii; i++) {
        try {
          injector.invoke(blockFns[i] || angular.noop, this);
        } catch (e) {
          if(e.stack && errorForStack) e.stack +=  '\n' + errorForStack.stack;
          throw e;
        } finally {
          errorForStack = null;
        }
      }
    }
  };
})(window);
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