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我一直在使用以下代码，但找不到问题，测试失败并显示以下消息：“预期未定义未定义。”

我有一个服务，它向我的控制器返回一个承诺。在控制器中，我在得到承诺后立即使用 $q.all 做一些事情。

我尝试按照这个示例进行操作，但我看到的最大区别是，在示例中它在控制器的根目录中有调用，并且我在方法“$scope.CustomerTest”中有服务调用，所以我有这个附加行到应用之前（ $scope.$apply() ）“$scope.CustomerTest('Mr');”：

http://www.bradoncode.com/blog/2015/07/13/unit-test-promises-angualrjs-q/

这是我的测试代码：

var $scope;
var $q;
var deferred;
var $httpBackend;

//Inject the module "before each test"
beforeEach(angular.mock.module('marketingApp'));

beforeEach(inject(function ($controller,_$httpBackend_,  _$rootScope_, _$q_, marketingService) {
    $q = _$q_;
    $scope = _$rootScope_.$new();
    $httpBackend = _$httpBackend_;

    // We use the $q service to create a mock instance of defer
    deferred = _$q_.defer();

    // Use a Jasmine Spy to return the deferred promise
    spyOn(marketingService, 'getTitleSuggested').and.returnValue(deferred.promise);

    // Init the controller, passing our spy service instance
    $controller('customerController', {
        $scope: $scope,
        marketingService: marketingService
    });
}));

it('should resolve promise', function () {
    // Setup the data we wish to return for the .then function in the controller
    var titles = [{ "Id": 1, "Name": "Mr" }];

    deferred.resolve(titles);

    $httpBackend.when('GET', '/MarketingCustomers/GetTitleSuggested')
        .respond(200, titles);

    //I call to the controller method here.
    $scope.CustomerTest('Mr');

    $scope.$apply();

    // Since we called apply, not we can perform our assertions
    //expect($scope.TitlesTest).not.toBe(undefined);
    expect($scope.SelectedCustomerTitle).toEqual('Mr');
    //expect($scope.error).toBe(undefined);
});

这是plunker：

http://plnkr.co/edit/3IMzqH1yKW8kazZFWaA0?p=preview

评论 controller.spec.js 的第一个测试（它），其他两个测试有效。请问有什么帮助吗？

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1 回答 1

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如果有人有类似的问题，这里解决了我的问题，希望它可以提供帮助。

这是测试：

describe('CustomerController.js', function() {

var results = [{
 "Id": 1,
 "Name": "Mr"
}];

var $controller;
var $q;
var $rootScope;
var $scope;
var marketingService;

beforeEach(angular.mock.module('marketingApp'));

beforeEach(inject(function(_$rootScope_, $controller, _$q_, 
_marketingService_) {
$scope = _$rootScope_.$new();
$q = _$q_;
$rootScope = _$rootScope_;
marketingService = _marketingService_;

$controller('customerController', {
  $scope: $scope,
  $rootScope: $rootScope
});

spyOn(marketingService, 'getTitleSuggested').and.callFake(function() {
  var deferred = $q.defer();
  deferred.resolve(results);
  return deferred.promise;
});

}));

it('It should call the service" ', function() {

$scope.CustomerTest('Mr');
expect(marketingService.getTitleSuggested).toHaveBeenCalledWith('Mr');
});


it('It should populate the "$scope.TitlesTest" ', function() {

$scope.CustomerTest('Mr');
$rootScope.$apply();

expect($scope.hello).toEqual('Hello Mr Marcos');
expect($scope.Titles[0].Name).toBe('Mr');
expect($scope.Titles).toBe(results);
});

});

这是plunker： http ://plnkr.co/edit/3IMzqH1yKW8kazZFWaA0?p=preview

于 2017-06-11T09:15:21.663 回答