如何在服务层中使用$ httpProvider的情况下测试.config? [英] How to karma test .config where $httpProvider is used in a service layer?

问题描述

这就是我的服务的样子

(function(){
    'use strict';
    angular.module('gls.service', [])
        .config(config)
        .service('popup', popup)
        .service('API', api);

    /* Config */

    config.$inject = ['$httpProvider'];

    function config($httpProvider) {
        delete $httpProvider.defaults.headers.common['X-Requested-With'];
        $httpProvider.defaults.headers.get = {
            'Content-Type': 'application/json'
        };
        $httpProvider.defaults.headers.post = {
            'Content-Type': 'application/json'
        };
        $httpProvider.defaults.headers.put = {
            'Content-Type': 'application/json'
        };
    }

之后是弹出窗口和API服务的功能. 如何测试config($httpProvider)功能?我在离子中运行UI.请建议在beforeEach()区域中也定义.config. 它与$ httpBackend有关系吗?

followed by the functions for popup and API services. How to test the config($httpProvider) function? I am running the UI in ionic. Please suggest the beforeEach() area to define the .config also. Has it got anything to do with $httpBackend?

推荐答案

我建议您测试请求是否具有正确的标头:

I suggest you to test if requests have correct header:

// Assume $httpBackend and $http have been properly injected above
it('should have correct Content-Type header on GET request', function() {
    $httpBackend.expectGET('/api-call', function(headers) {
       return headers['Content-Type'] === 'application/json';
    }).respond(200, {});
    $http.get('/api-call');
    $httpBackend.flush();
});
// ... and do the same for POST and PUT requests

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