Angular 无法在模拟订阅方法内执行代码
在subscribe方法中执行代码 长话短说,我正在测试一个检索a的服务,我需要在模拟Angular 无法在模拟订阅方法内执行代码,angular,rxjs,observable,subscribe,Angular,Rxjs,Observable,Subscribe,在subscribe方法中执行代码 长话短说,我正在测试一个检索a的服务,我需要在模拟这个.jwtService.getToken().subscribe(tokenResp=>时执行订阅中的代码,但它不执行。请参阅订阅中的注释: 正在测试的系统:AuthenticationLibrary.service.ts: getNewToken() { var self = this; if (self.busyGettingToken == false) { self.
这个.jwtService.getToken().subscribe(tokenResp=>
时执行订阅中的代码,但它不执行。请参阅订阅中的注释:
正在测试的系统:AuthenticationLibrary.service.ts:
getNewToken() {
var self = this;
if (self.busyGettingToken == false) {
self.busyGettingToken = true;
this.jwtService.getToken().subscribe(tokenResp =>
{
self.token = tokenResp.token<-------CODE NOT MAKING IT INTO HERE
self.busyGettingToken = false;
self.frontEndLoggingService.Log("getNewToken() Acquired: " + self.token, true);
});
}
}
isTokenValid() {
if (this.token == null)
{
return false;
}
else
{
var base64Url = this.token.split('.')[1];
var base64 = base64Url.replace('-', '+').replace('_', '/');
var jwt = JSON.parse(window.atob(base64));
if (jwt.exp >= this.configurationService.jwtRenewTime() / 1000) {
//Does not expire within the next x ms
return true;
} else {
//Expires within the next x ms
return false;
}
}
}
以下是整个文件:
/// <reference path="../../typings/globals/es6-shim/index.d.ts"/>
/// <reference path="../../typings/globals/jasmine/index.d.ts" />
import { inject, TestBed, ComponentFixture } from "@angular/core/testing";
import { RouterTestingModule } from "@angular/router/testing";
import { Headers, HttpModule, BaseRequestOptions, XHRBackend, Response, Http, ResponseOptions } from "@angular/http";
import { MockBackend, MockConnection } from "@angular/http/testing";
import { Component, DebugElement } from "@angular/core";
import { By } from '@angular/platform-browser';
import "rxjs/add/operator/toPromise";
import { AuthenticationLibrary } from "../../app/services/authenticationLibrary.service";
import { ConfigurationService } from "../../app/services/configuration.service";
import { FrontEndLoggingService } from "../../app/services/frontEndLogging.service";
import { JwtService } from "../../app/services/jwt.service";
import { UtilitiesService } from "../../app/services/utilities.service";
describe("Authentication service", () => {
let mockBackend;
let jwtService;
let configurationService;
let http;
let feLogSvc;
beforeEach(() => {
TestBed.configureTestingModule({
imports: [HttpModule],
providers: [
{ provide: XHRBackend, useClass: MockBackend },
ConfigurationService,
FrontEndLoggingService,
JwtService,
UtilitiesService
]
});
mockBackend = TestBed.get(XHRBackend);
jwtService = TestBed.get(JwtService);
configurationService = TestBed.get(ConfigurationService);
http = new Http(mockBackend, new BaseRequestOptions);
feLogSvc = TestBed.get(FrontEndLoggingService);
});
it("Should tell if token is valid", () => {
mockBackend.connections.subscribe(
(connection: MockConnection) => {
connection.mockRespond(new Response(
new ResponseOptions({
body: {
token: "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJ0b3B0YWwuY29tIiwiZXhwIjoxNDI2NDIwODAwLCJodHRwOi8vdG9wdGFsLmNvbS9qd3RfY2xhaW1zL2lzX2FkbWluIjp0cnVlLCJjb21wYW55IjoiVG9wdGFsIiwiYXdlc29tZSI6dHJ1ZX0.yRQYnWzskCZUxPwaQupWkiUzKELZ49eM7oWxAQK_ZXw"
}
})
));
});
let jwtSvcSpy = jasmine.createSpyObj('jwtService', ['getToken']);
jwtSvcSpy.getToken.and.callFake(() => {
return {
subscribe: () => {
return new Response(
new ResponseOptions({
body: {
token: "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJ0b3B0YWwuY29tIiwiZXhwIjoxNDI2NDIwODAwLCJodHRwOi8vdG9wdGFsLmNvbS9qd3RfY2xhaW1zL2lzX2FkbWluIjp0cnVlLCJjb21wYW55IjoiVG9wdGFsIiwiYXdlc29tZSI6dHJ1ZX0.yRQYnWzskCZUxPwaQupWkiUzKELZ49eM7oWxAQK_ZXw"
}
})
)
}
};
});
let authLibService = new AuthenticationLibrary(
http,
configurationService,
feLogSvc,
jwtSvcSpy
);
authLibService.getNewToken();
expect(authLibService.isTokenValid()).toBe(true);
})
});
//
///
从“@angular/core/testing”导入{inject,TestBed,ComponentFixture};
从“@angular/router/testing”导入{RouterTestingModule}”;
从“@angular/Http”导入{Headers,HttpModule,BaseRequestOptions,XHRBackend,Response,Http,ResponseOptions};
从“@angular/http/testing”导入{MockBackend,MockConnection}”;
从“@angular/core”导入{Component,DebugElement};
从“@angular/platform browser”导入{By}”;
导入“rxjs/add/operator/toPromise”;
从“../../app/services/AuthenticationLibrary.service”导入{AuthenticationLibrary}”;
从“./../app/services/configuration.service”导入{ConfigurationService}”;
从“../../app/services/FrontEndLoggingService”导入{FrontEndLoggingService}”;
从“../../app/services/jwt.service”导入{JwtService}”;
从“../../app/services/utilities.service”导入{UtilitiesService}”;
描述(“身份验证服务”,()=>{
让我们一起来吧;
让jwt服务;
让配置服务;
让http;
让feLogSvc;
在每个之前(()=>{
TestBed.configureTestingModule({
导入:[HttpModule],
供应商:[
{provide:XHRBackend,useClass:MockBackend},
配置服务,
前端记录服务,
JwtService,
公用事业服务
]
});
mockBackend=TestBed.get(XHRBackend);
jwtService=TestBed.get(jwtService);
configurationService=TestBed.get(configurationService);
http=新的http(mockBackend,新的BaseRequestOptions);
feLogSvc=TestBed.get(前端日志服务);
});
它(“应该告诉令牌是否有效”,()=>{
mockBackend.connections.subscribe(
(连接:MockConnection)=>{
连接。mockRespond(新响应(
新反应({
正文:{
令牌:“eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.EYJPC3MIOIJ0B3B0YWWUY2TZWIZJ0NDI2NDIWODWIZJODHRWOI8VDG9WDGFSLMNVBS9QD3RFY2XHAW1ZL2LZX2FKBLUIJP0CNWLLJJB21WYW55IWIWIWVG9WDIWUWIY2TZSI6DHJ1ZX0.YRQYRYNWWWZKZZKZZZZKZUKWAQUPWKKIUZKELZ7OWXW”
}
})
));
});
让jwtSvcSpy=jasmine.createSpyObj('jwtService',['getToken']);
jwtSvcSpy.getToken.and.callFake(()=>{
返回{
订阅:()=>{
返回新的响应(
新反应({
正文:{
令牌:“eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.EYJPC3MIOIJ0B3B0YWWUY2TZWIZJ0NDI2NDIWODWIZJODHRWOI8VDG9WDGFSLMNVBS9QD3RFY2XHAW1ZL2LZX2FKBLUIJP0CNWLLJJB21WYW55IWIWIWVG9WDIWUWIY2TZSI6DHJ1ZX0.YRQYRYNWWWZKZZKZZZZKZUKWAQUPWKKIUZKELZ7OWXW”
}
})
)
}
};
});
让authLibService=newauthenticationlibrary(
http,,
配置服务,
feLogSvc,
jwtSvcSpy
);
authLibService.getNewToken();
expect(authLibService.isTokenValid()).toBe(true);
})
});
如何模拟jwtService.getToken
,使顶部代码块中的subscribe
方法中的代码得以执行?您返回的是一个带有subscribe函数的模拟,而不是一个带有subscribe函数的模拟,它的subscribe函数执行回调next
。就我个人而言,我会用一个ver来存根可观察对象包含您期望的确切数据的sion:
let jwtSvcSpy = jasmine.createSpyObj('jwtService', ['getToken']);
jwtSvcSpy.getToken.and.callFake(() => {
return Rx.Observable.of(new Response(
new ResponseOptions({
body: {
token: "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJ0b3B0YWwuY29tIiwiZXhwIjoxNDI2NDIwODAwLCJodHRwOi8vdG9wdGFsLmNvbS9qd3RfY2xhaW1zL2lzX2FkbWluIjp0cnVlLCJjb21wYW55IjoiVG9wdGFsIiwiYXdlc29tZSI6dHJ1ZX0.yRQYnWzskCZUxPwaQupWkiUzKELZ49eM7oWxAQK_ZXw"
}
})
))
});
let jwtSvcSpy = jasmine.createSpyObj('jwtService', ['getToken']);
jwtSvcSpy.getToken.and.callFake(() => {
return Rx.Observable.of(new Response(
new ResponseOptions({
body: {
token: "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJ0b3B0YWwuY29tIiwiZXhwIjoxNDI2NDIwODAwLCJodHRwOi8vdG9wdGFsLmNvbS9qd3RfY2xhaW1zL2lzX2FkbWluIjp0cnVlLCJjb21wYW55IjoiVG9wdGFsIiwiYXdlc29tZSI6dHJ1ZX0.yRQYnWzskCZUxPwaQupWkiUzKELZ49eM7oWxAQK_ZXw"
}
})
))
});