getQuestions被调用但似乎永远不会完成，所以测试中的长度总是未定义的。但是，当我在没有单元测试的情况下直接访问页面时，这可以正常工作。有什么想法吗？提前谢谢！
//service
`/// <reference path="../entity/entity.service.ts" />
module app.services {
'use strict';
//TODO: answer question and favorite
export interface IQuestionService {
favoriteQuestion(favQuestion: entity.IFavoriteQuestionDetails): angular.IHttpPromiseCallbackArg<any>
ask(question: entity.IQuestionDetails):angular.IHttpPromiseCallbackArg<any>;
getQuestions(): angular.IPromise<app.entity.IQuestions>;
getQuestion(qid: string): angular.IHttpPromiseCallbackArg<entity.IQuestion>;
answerQuestion(answer: entity.AnswerDetails): angular.IHttpPromiseCallbackArg<any>
sort(sortType: entity.SortType): angular.IHttpPromiseCallbackArg<app.entity.IQuestions>;
search(q: string): angular.IHttpPromiseCallbackArg<app.entity.IQuestions>;
}
export class QuestionService implements IQuestionService {
static $inject = [
'$http'
];
constructor(private $http: angular.IHttpService) {
}
favoriteQuestion(favQuestion: entity.IFavoriteQuestionDetails): angular.IHttpPromiseCallbackArg<any> {
return this.$http
.post('https://api.stackexchange.com/2.2/' + favQuestion.id + '/favorite', favQuestion)
.then((response: angular.IHttpPromiseCallbackArg<any>): any => {
return response.data;
}, () => {
return null;
});
}
getQuestions(): angular.IPromise<app.entity.IQuestions> {
return this.$http
.get('https://api.stackexchange.com/2.2/questions?order=desc&sort=activity&site=stackoverflow')
.then((response: angular.IHttpPromiseCallbackArg<app.entity.IQuestions>): app.entity.IQuestions => {
return response.data;
}, () => {
return null;
});
}
getQuestion(qid: string): angular.IHttpPromiseCallbackArg<app.entity.IQuestion> {
return this.$http
.get('http://api.stackexchange.com//2.2/questions/' + qid + '/answers?order=desc&sort=activity&site=stackoverflow&filter=withbody')
.then((response: angular.IHttpPromiseCallbackArg<entity.IQuestion>): entity.IQuestion => {
return response.data;
}, () => {
return null;
});
}
//https://api.stackexchange.com/docs/create-answer
///2.2/questions/ { id } / answers / add
answerQuestion(answer: entity.AnswerDetails): angular.IHttpPromiseCallbackArg<any> {
return this.$http
.post('https://api.stackexchange.com/2.2/' + answer.id + '/answers/add', answer)
.then((response: angular.IHttpPromiseCallbackArg<any>): any => {
return response.data;
}, () => {
return null;
});
}
sortStr: string;
sort(sortType: app.entity.SortType): angular.IHttpPromiseCallbackArg<entity.IQuestions> {
switch (sortType) {
case app.entity.SortType.Creation:
this.sortStr = 'creation';
break;
case app.entity.SortType.Hot:
this.sortStr = 'hot';
break;
case app.entity.SortType.Month:
this.sortStr = 'month';
break;
case app.entity.SortType.Votes:
this.sortStr = 'votes';
break;
case app.entity.SortType.Week:
this.sortStr = 'week';
break;
default:
this.sortStr = 'activity';
break;
}
return this.$http
.get('http://api.stackexchange.com/2.2/questions?order=asc&sort=' + this.sortStr + '&site=stackoverflow ')
.then((response: angular.IHttpPromiseCallbackArg<entity.IQuestions>): entity.IQuestions => {
return response.data;
}, () => {
return null;
});
}
search(q: string): entity.IQuestions {
return <any>(this.$http
.get('https://api.stackexchange.com/2.2/search/advanced?order=desc&sort=activity&q=' + q + 'site=stackoverflow')
.then((response: angular.IHttpPromiseCallbackArg<entity.IQuestions>): entity.IQuestions => {
return response.data;
}, () => {
return null;
}));
}
ask(question: entity.QuestionDetails): angular.IHttpPromiseCallbackArg<any> {
return this.$http
.post('https://api.stackexchange.com/2.2/questions/add', question)
.then((response: angular.IHttpPromiseCallbackArg<any>): any => {
return response.data;
}, () => {
return null;
});
}
}
angular.module('app.services').service('app.services.QuestionService', QuestionService);
}
//controller
/// <reference path="../entity/entity.service.ts" />
module app.questions {
'use strict';
export interface IQuestions {
getQuestions(): void;
}
export class QuestionsController implements IQuestions {
static $inject = [
'$scope',
'app.services.QuestionService'
];
allquestions: entity.IQuestions;
constructor(
private $scope: angular.IScope,
private questions: app.services.IQuestionService
) {
}
getQuestions(): void {
this.questions.getQuestions().then(
response => {
this.$scope['questions'] = response;
console.log('questions' + response);
});
}
}
angular
.module('app.questions')
.controller('app.questions.QuestionsController', QuestionsController);
}
//unit test
describe('QuestionController', function () {
beforeEach(angular.mock.module('app'));
var $controller;
beforeEach(inject(function (_$controller_) {
// The injector unwraps the underscores (_) from around the parameter names when matching
$controller = _$controller_;
}));
describe('do we have questions', function () {
var $scope, controller, qs;
beforeEach(function (done) {
$scope = {};
qs = {};
controller = $controller('app.questions.QuestionsController', { $scope: $scope });
controller.getQuestions();
setTimeout(function () {
done();
}, 3000);
});
it("the list should have questions", function (done) {
expect($scope.questions.items.length).toBeGreaterThan(0);
done();
});
});
});`