Angular 资源测试:$httpBackend.flush() 导致意外请求

时间：2023-04-30
本文介绍了Angular 资源测试:$httpBackend.flush() 导致意外请求的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！

问题描述

限时送ChatGPT账号..

我想测试 angularjs 资源.

I want to test angularjs resource.

'use strict';

/**
 * AddressService provides functionality to use address resource in easy way.
 *
 * This is an example usage of method:
 *
 * `get`:
 *
     var a = AddressService.get({id: '1'},
         function (data) {
            // Work here with your resource
         }
     );
 *
 */
App.factory('AddressService', function ($resource, $rootScope) {
    var url = [
            $rootScope.GLOBALS.API_PATH,
            $rootScope.GLOBALS.API_VERSION,
            'models/address/:id'
        ].join('/'),

        actions = {
            'get': {
                method: 'GET',
                params: {id: '@id'}
            }
        };
    return $resource(url, {}, actions);
});

我创建了测试:

'use strict';

var $httpBackend;

describe('Service: AddressService', function () {

    beforeEach(module('myApp'));

    beforeEach(inject(function ($injector) {
        var url_get = 'api/v1/models/address/5';

        var response_get = {
            address_line_1: '8 Austin House Netly Road',
            address_line_2: 'Ilford IR2 7ND'
        };

        $httpBackend = $injector.get('$httpBackend');

        $httpBackend.whenGET(url_get).respond(response_get);

    }));

    describe('AddressService get test', function () {
        it('Tests get address', inject(function (AddressService) {
            var address = AddressService.get({ id: '5'});
            $httpBackend.flush();
            expect(address.address_line_1).toEqual('8 Austin House Netly Road');
            expect(address.address_line_2).toEqual('Ilford IR2 7ND');
        }));
    });
});

我对角度的经验不是很好.我在 karma.config.js 中设置了 jasmine.AngularJS v1.0.6Yoeman 和 Grunt 管理项目.

I am not experienced with angular very well. I have set jasmine in karma.config.js. AngularJS v1.0.6 Yoeman and Grunt manage project.

我试试 grunt test

Running "karma:unit" (karma) task
INFO [karma]: Karma server started at http://localhost:8080/
INFO [launcher]: Starting browser Chrome
INFO [Chrome 27.0 (Linux)]: Connected on socket id RFFUY5bW8Hb5eTu0n-8L
Chrome 27.0 (Linux) Service: AddressService AddressService get Tests get address FAILED
        Error: Unexpected request: GET views/home.html
        No more request expected
            at Error (<anonymous>)
            at $httpBackend (/home/bart/y/projects/x/frontend/app/components/angular-mocks/angular-mocks.js:910:9)
            at sendReq (/home/bart/y/projects/x/frontend/app/components/angular/angular.js:9087:9)
            at $http (/home/bart/y/projects/x/frontend/app/components/angular/angular.js:8878:17)
            at Function.$http.(anonymous function) [as get] (/home/bart/y/projects/x/frontend/app/components/angular/angular.js:9021:18)
            at $q.when.then.then.next.locals (/home/bart/y/projects/x/frontend/app/components/angular/angular.js:7394:34)
            at wrappedCallback (/home/bart/y/projects/x/frontend/app/components/angular/angular.js:6797:59)
            at wrappedCallback (/home/bart/y/projects/x/frontend/app/components/angular/angular.js:6797:59)
            at /home/bart/y/projects/x/frontend/app/components/angular/angular.js:6834:26
            at Object.Scope.$eval (/home/bart/y/projects/x/frontend/app/components/angular/angular.js:8011:28)
        Error: Declaration Location
            at window.jasmine.window.inject.angular.mock.inject (/home/bart/y/projects/x/frontend/app/components/angular-mocks/angular-mocks.js:1744:25)
            at null.<anonymous> (/home/bart/y/projects/x/frontend/test/spec/services/userdata/AddressService.js:32:30)
            at null.<anonymous> (/home/bart/y/projects/x/frontend/test/spec/services/userdata/AddressService.js:31:5)
            at /home/bart/y/projects/x/frontend/test/spec/services/userdata/AddressService.js:5:1
..................................................................
Chrome 27.0 (Linux): Executed 67 of 67 (1 FAILED) (0.343 secs / 0.179 secs)
Warning: Task "karma:unit" failed. Use --force to continue.

如果我在测试中删除 $httpBackend.flush().测试通过.但我从 address 得到 undefined.我看到了例子: example 都使用了 flush() 但只有我得到愚蠢的异常:错误:意外请求:GET views/home.html

If I remove $httpBackend.flush() in test. Test is passing. But I am getting undefined from address. I saw examples: example all use the flush() But only I get silly exception: Error: Unexpected request: GET views/home.html

views/home.html 是我在项目目录中的视图.我不知道如何解决我的问题我找不到任何解决方案.我是否以某种方式错过了重点?

views/home.html is my view in project directory. I have no idea how solve my problem I could not find any solution. Am I missing the point somehow?

任何人都可以看到我的代码中的错误吗?所有建议将不胜感激.

Can anybody see mistake in my code? All suggestions will be appreciate.

编辑

我发现我需要使用这个:

I have found that I need to use this: 

$httpBackend.when('GET', /.html$/).passThrough();

但另一个问题是我得到了:

But another problem is I am getting:

TypeError: Object #<Object> has no method 'passThrough'

推荐答案

终于找到解决方案了:

我试图遵循这个:其他帖子

所以我添加了 $templateCache: 

'use strict';

var $httpBackend;

describe('Service: AddressService', function () {

    beforeEach(module('myApp'));

    beforeEach(inject(function ($injector, $templateChache) {
        $templateCache.put('views/home.html', '.<template-goes-here />');
        var url_get = 'api/v1/models/address/5';

        var response_get = {
            address_line_1: '8 Austin House Netly Road',
            address_line_2: 'Ilford IR2 7ND'
        };

        $httpBackend = $injector.get('$httpBackend');

        $httpBackend.whenGET(url_get).respond(response_get);

    }));

    describe('AddressService get test', function () {
        it('Tests get address', inject(function (AddressService) {
            var address = AddressService.get({ id: '5'});
            $httpBackend.flush();
            expect(address.address_line_1).toEqual('8 Austin House Netly Road');
            expect(address.address_line_2).toEqual('Ilford IR2 7ND');
        }));
    });
});

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