DSL Extend to manipulate Cookies on e2e tests from AngularJs

angular.scenario.dsl.cookies.js

'use strict';

angular.scenario.dsl('cookies', function() {
  var chain = {};

  chain.set = function(name,value) {
    return this.addFutureAction('set cookie', function($window, $document, done) {
      var injector = $window.angular.element($window.document.body).inheritedData('$injector');
      var cookies = injector.get('$cookies');
      var root = injector.get('$rootScope');
      cookies[name] = value;
      root.$apply();
      done();
    });
  };

  chain.remove = function(name) {
    return this.addFutureAction('remove cookie', function($window, $document, done) {
      var injector = $window.angular.element($window.document.body).inheritedData('$injector');
      var cookies = injector.get('$cookies');
      var root = injector.get('$rootScope');
      delete cookies[name];
      root.$apply();
      done();
    });
  };

  chain.clear = function() {
    return this.addFutureAction('clear cookies', function($window, $document, done) {
      var injector = $window.angular.element($window.document.body).inheritedData('$injector');
      var cookies = injector.get('$cookies');
      var root = injector.get('$rootScope');
      for (var name in cookies) {
        delete cookies[name];
      }
      root.$apply();
      done();
    });
  };

  return function() {
    return chain;
  }
});

Read more about e2e / Functional tests with AngularJS in https://docs.angularjs.org/guide/e2e-testing