angularjs - How to invoke spyOn on a scope function -

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i have following jasmine spec.

describe('viewmeetingctrl', function () {     var $rootscope, scope, $controller , $q  ;     beforeeach(angular.mock.module('myapp'));     beforeeach(inject(function ($rootscope, $controller ) {         scope = $rootscope.$new();         createcontroller = function() {             return $controller('viewmeetingctrl', {             $scope: scope,             meeting : {}             });          };     }));      it('the meeting type should equal object', function () {         var controller = new createcontroller();         //some assertion     });  });

following viewmeetingctrl.js

(function () {     'use strict';     angular.module('myapp').controller('viewmeetingctrl', viewmeetingctrl);      viewmeetingctrl.$inject = ['$scope', '$state', '$http', '$translate', 'notificationservice', 'meetingservice', '$modal', 'meeting', 'attachmentservice'];          function viewmeetingctrl($scope, $state, $http, $translate, notificationservice, meetingservice, $modal, meeting, attachmentservice) {             $scope.meeting = meeting;              $scope.cancelmeeting = cancelmeeting;              function cancelmeeting(meetingid, companyid) {                 meetingservice.sendcancelnotices(companyid, meetingid)                     .success(function () {                         $state.go('company.view');                     });             }              //more code         }     })();

my question how invoke spyon (or other jasmine spies related method) method on above cancelmeeting() can mock method calls , returns etc. did following 

describe('viewmeetingctrl', function () {     var $rootscope, scope, $controller , $q  ;     beforeeach(angular.mock.module('myapp'));     beforeeach(inject(function ($rootscope, $controller ) {         scope = $rootscope.$new();         createcontroller = function() {             return $controller('viewmeetingctrl', {             $scope: scope,             meeting : {}             });          };     }));      it('the meeting type should equal object', function () {         spyon(scope, 'cancelmeeting');//cancelmeeting inside scope did         var controller = new createcontroller();     });  });

but following output 

firefox 37.0.0 (windows 8.1) viewmeetingctrl meeting type should equal object failed         error: cancelmeeting() method not exist in c:/users/work/myapp/tests/node_mo dules/jasmine-core/lib/jasmine-core/jasmine.js (line 1895)

is way invoking spyon wrong or syntax's missing ?. or missing fundamental here ?

the cancelmeeting function not added scope until controller created. think need reverse lines in test code:

it('the meeting type should equal object', function () {     var controller = new createcontroller();     spyon(scope, 'cancelmeeting'); });

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