Ric*_*cha 5 unit-testing jasmine typescript angular
我使用茉莉花作为测试框架,使用业力作为测试运行程序。我正在尝试创建HttpClient对象,因此我可以创建一个服务作为对此对象的依赖:
TestBed.configureTestingModule({
declarations: [HttpClient],
imports: [HttpClient],
providers: [HttpClient]
});
TestBed.get(HttpClient);
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但我收到以下错误:
错误:模块'DynamicTestModule'导入了意外的值'HttpClient'。请添加一个@NgModule批注。
有人知道如何解决这个问题吗?
遵循所有代码:
import { I18nService } from "../../services/i18n.service";
import { TestBed, inject, async } from "@angular/core/testing";
import { EditionHistoryEventsModel } from "./dropdown.edition.history.events.model";
import { HttpClient } from "@angular/common/http";
import { TestUtil } from "../../utils/test.uti";
describe('DropDownEditionHistoryItemModel', () => {
let i18nService: I18nService;
beforeAll(() => {
TestBed.configureTestingModule({
declarations: [HttpClient],
imports: [HttpClient],
providers: [HttpClient]
});
i18nService = TestUtil.geti18nService(TestBed.get(HttpClient));
});
it('asdasd', () => {
let model: EditionHistoryEventsModel = new EditionHistoryEventsModel(i18nService);
expect(true).toBeTruthy();
});
});
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小智 10
当您尝试在declarations数组中包括组件,指令或管道以外的其他内容时,将引发编译错误。
我已经重构了您的测试规范,以HttpClient从声明模块中删除,导入,HttpClientTestingModule因为它相HttpClientModule对于测试具有一些明显的优势,并使用了稍微不同的模式来创建您的实例I18nService以传递给模型类。
import { HttpClientTestingModule } from '@angular/common/http/testing';
describe('TestSpec', () => {
let intlService = I18nService;
beforeAll(() => {
TestBed.configureTestingModule({
declarations: [],
imports: [HttpClientTestingModule],
providers: [I18nService]
});
i18nService = TestBed.Get(I18nService);
});
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