测试平台：通过模块导入组件时无法编译

Question

我当前正在尝试为使用其HTML中的另一个组件标签的组件编写一组单元测试。

<bm-panel [title]="title" [panelType]="panelType" [icon]="icon"
     class="bm-assignment-form-panel">
  <div *ngIf="isLoading" class="bm-loader"><img src="../../../assets/animal.gif"></div>
  <div class="container-fluid w-100 m-0 p-0">
      <!-- Content -->
  </div>
</bm-panel>

但是，我似乎无法编译其他组件。我已经使用了几种使用NO_ERROR_SCHEMA，1-3之前的方法。唯一起作用的方法看起来像

import {...}
export function main() {
  describe( 'AssignmentFormComponent', () => {
    let comp: AssignmentFormComponent;
    let fixture: ComponentFixture<AssignmentFormComponent>;
    let de: DebugElement;
    let el: HTMLElement;
    beforeEach( () => {
      TestBed.configureTestingModule( {
        imports: [ AssignmentFormModule ]
      } );
    } );
    describe( 'should build with no problems', () => {
      it( 'should be defined', () => {
        TestBed.compileComponents().then( () => {
          fixture = TestBed.createComponent( AssignmentFormComponent );
          comp = fixture.componentInstance;
          expect( comp ).toBeDefined();
        } );
      } );
    } );
  } );
}

这确实感觉不像是最好的练习方式，并且在每个块之前都打败了目的。我已经尝试研究如何嘲笑它，但是我找不到任何资源来解释过度核电组件函数的工作方式，或者一般嘲笑的方式与茉莉花合作。

查看来自rangle.io的几个视频，他们写了这样的之前的块：

  beforeEach( async() => {
      TestBed.configureTestingModule( {
        imports: [ AssignmentFormModule ]
      } );
    } );
    beforeEach( async() => {
      TestBed.compileComponents();
    } );
    beforeEach( () => {
      fixture = TestBed.createComponent( AssignmentFormComponent );
      comp = fixture.componentInstance;
    } );
    it( 'should be defined', () => {
      expect( comp ).toBeDefined();
    } );

这无法编译BM-Panel组件的模板。我还尝试直接声明组件而不是通过模块声明组件，但没有效果。

通过sistormentFormModule中的模块导入panelContainerComponent（BM-Panel），这是否使CompileComponent无法编译？

如果OverrideComponent是一个可能的解决方案，有人会愿意解释我将如何使用它吗？

should display TestTitle
        Chrome 56.0.2924 (Windows 10 0.0.0)
      Error: This test module uses the component PanelContainerComponent which is using a "templateUrl" or "styleUrls", but they were never compiled. Plea
se call "TestBed.compileComponents" before your test.
          at TestBed._initIfNeeded (node_modules/@angular/core/bundles/core-testing.umd.js:774:31) [ProxyZone]
          at TestBed.createComponent (node_modules/@angular/core/bundles/core-testing.umd.js:853:18) [ProxyZone]
          at Function.TestBed.createComponent (node_modules/@angular/core/bundles/core-testing.umd.js:682:33) [ProxyZone]
          at Object.eval (dist/dev/app/bachelor-manager/panels/assignment-form/assignment-form.component.spec.js:62:41) [ProxyZone]
          at ProxyZoneSpec.onInvoke (node_modules/zone.js/dist/proxy.js:79:39) [ProxyZone]
          at Zone.run (node_modules/zone.js/dist/zone.js:126:43) [<root> => ProxyZone]
          at Object.<anonymous> (node_modules/zone.js/dist/jasmine-patch.js:102:34) [<root>]
          at ZoneQueueRunner.jasmine.QueueRunner.ZoneQueueRunner.execute (node_modules/zone.js/dist/jasmine-patch.js:132:42) [<root>]
          at ZoneQueueRunner.jasmine.QueueRunner.ZoneQueueRunner.execute (node_modules/zone.js/dist/jasmine-patch.js:132:42) [<root>]
          at ZoneQueueRunner.jasmine.QueueRunner.ZoneQueueRunner.execute (node_modules/zone.js/dist/jasmine-patch.js:132:42) [<root>]
          at Zone.runTask (node_modules/zone.js/dist/zone.js:166:47) [<root> => <root>]
          at drainMicroTaskQueue (node_modules/zone.js/dist/zone.js:529:35) [<root>]
          at ZoneTask.invoke (node_modules/zone.js/dist/zone.js:420:25) [<root>]
          at data.args.(anonymous function) (node_modules/zone.js/dist/zone.js:1527:25) [<root>]

Answer 1

我找到了答案。我错误地将异步函数写成
async() => {}代替async(()=>{})。

似乎正在尝试使用" rxjs/scheduler/async"中的异步函数，因此，棉布不呼唤我。