我有一个控制器,想用Jasmine测试它。我想测试的控制器范围内有一个$ on监听器。如何触发$ emit事件以在侦听器上运行$?
myApp.controller('superCtrl', function ($scope) {
$scope.hero = 'Rafael ninja turtle';
$scope.$on('change_hero', function (event, new_hero) {
$scope.hero = new_hero;
});
});
当'change_hero'事件发生时,侦听器上的Test $正常工作:
describe('Super controller', function () {
var $scope,
super_controller;
beforeEach(function(){
module('myApp');
inject(function($rootScope, $controller){
$scope = $rootScope.$new();
super_controller = $controller('superCtrl', {$scope: $scope});
spyOn($scope, '$on');
});
});
it('should change change hero on change_hero event', function (){
var new_hero = 'Ralf ninja turtle',
sub_scope = $scope.$new();
sub_scope.$emit('change_hero', new_hero);
expect($scope.$on).toHaveBeenCalled();
expect($scope.hero).toBe('Ralf ninja turtle');
});
});
答案 0 :(得分:8)
看起来你需要在创建控制器之前调用spyOn。 此外,你应该调用andCallThrough()否则不会调用真正的方法,你的测试将失败