我正在测试使用 Apollo 和 graphql 的角度服务，我收到No provider for HttpClient! 即使我将 HttpClientTestingModule 添加到导入中也会出错。
规则.规范.ts
import { PlatformGraphQLService } from 'platform-graphql'
import { TestBed, ComponentFixture } from '@angular/core/testing'
import { RulesService } from './rules.service'
import {
ApolloTestingModule,
ApolloTestingController
} from 'apollo-angular/testing'
import { async } from '@angular/core/testing'
import { HttpClientTestingModule } from '@angular/common/http/testing'
import { Apollo, ApolloModule } from 'apollo-angular'
describe('RulesService', () => {
let controller: ApolloTestingController
beforeEach(() => {
TestBed.configureTestingModule({
imports: [
ApolloTestingModule,
HttpClientTestingModule,
],
providers: [
PlatformGraphQLService,
],
})
controller …