与延迟加载模块的路线

Question

我使用RouterTestingModule和我的测试角度测试

it('should navigate to foo child path', fakeAsync(() => { 
    let router = TestBed.get(Router); 
    let location = TestBed.get(Location); 
    let fixture = TestBed.createComponent(AppComponent); 
    router.initialNavigation(); 
    router.navigateByUrl('/foo/child'); 
    tick(); 
    fixture.detectChanges(); 
    expect(location.path()).toBe('/foo/child'); 
})); 

当试图测试懒加载的儿童，例如路线

{ path: 'foo', loadChildren: 'app/foo/foo.module#FooModule'} 

出现错误“无法找到模块...”。

Error: Uncaught (in promise): Error: Cannot find module app/foo/foo.module#FooModule 
    Error: Cannot find module app/foo/foo.module#FooModule 
     at SpyNgModuleFactoryLoader.Array.concat.SpyNgModuleFactoryLoader.load (webpack:///~/@angular/router/@angular/router/testing.es5.js:78:0 <- src/test.ts:92347:35) [ProxyZone] 
     at RouterConfigLoader.Array.concat.RouterConfigLoader.loadModuleFactory (webpack:///~/@angular/router/@angular/router.es5.js:3417:0 <- src/test.ts:24005:129) [ProxyZone] 
     at RouterConfigLoader.Array.concat.RouterConfigLoader.load (webpack:///~/@angular/router/@angular/router.es5.js:3401:25 <- src/test.ts:23989:52) [ProxyZone] 
     at MergeMapSubscriber.project (webpack:///~/@angular/router/@angular/router.es5.js:1569:0 <- src/test.ts:22157:108) [ProxyZone] 
     at MergeMapSubscriber.Array.concat.MergeMapSubscriber._tryNext (webpack:///~/rxjs/operator/mergeMap.js:120:0 <- src/test.ts:57460:27) [ProxyZone] 
     at MergeMapSubscriber.Array.concat.MergeMapSubscriber._next (webpack:///~/rxjs/operator/mergeMap.js:110:0 <- src/test.ts:57450:18) [ProxyZone] 
     at MergeMapSubscriber.Array.concat.Subscriber.next (webpack:///~/rxjs/Subscriber.js:89:0 <- src/test.ts:19369:18) [ProxyZone] 
     at ScalarObservable.Array.concat.ScalarObservable._subscribe (webpack:///~/rxjs/observable/ScalarObservable.js:49:0 <- src/test.ts:56878:24) [ProxyZone] 
     at ScalarObservable.Array.concat.Observable._trySubscribe (webpack:///~/rxjs/Observable.js:57:0 <- src/test.ts:232:25) [ProxyZone] 
     at ScalarObservable.Array.concat.Observable.subscribe (webpack:///~/rxjs/Observable.js:45:0 <- src/test.ts:220:27) [ProxyZone] 
     at MergeMapOperator.Array.concat.MergeMapOperator.call (webpack:///~/rxjs/operator/mergeMap.js:85:0 <- src/test.ts:57425:23) [ProxyZone] 
     at Observable.Array.concat.Observable.subscribe (webpack:///~/rxjs/Observable.js:42:0 <- src/test.ts:217:22) [ProxyZone] 
     at MergeMapOperator.Array.concat.MergeMapOperator.call (webpack:///~/rxjs/operator/mergeMap.js:85:0 <- src/test.ts:57425:23) [ProxyZone] 
     at Observable.Array.concat.Observable.subscribe (webpack:///~/rxjs/Observable.js:42:0 <- src/test.ts:217:22) [ProxyZone] 
     at resolvePromise (webpack:///~/zone.js/dist/zone.js:683:0 <- src/polyfills.ts:3331:17) [ProxyZone] 
     at webpack:///~/zone.js/dist/zone.js:760:0 <- src/polyfills.ts:3408:17 [ProxyZone] 
     at ProxyZoneSpec.Array.concat.ProxyZoneSpec.onInvokeTask (webpack:///~/zone.js/dist/proxy.js:103:0 <- src/test.ts:90529:39) [ProxyZone] 
     at FakeAsyncTestZoneSpec.Array.concat.FakeAsyncTestZoneSpec.flushMicrotasks (webpack:///~/zone.js/dist/fake-async-test.js:204:0 <- src/test.ts:90058:17) [ProxyZone] 
     at FakeAsyncTestZoneSpec.Array.concat.FakeAsyncTestZoneSpec.tick (webpack:///~/zone.js/dist/fake-async-test.js:187:0 <- src/test.ts:90041:18) [ProxyZone] 
     at Object.tick (webpack:///~/@angular/core/@angular/core/testing.es5.js:389:0 <- src/test.ts:53426:29) [ProxyZone] 
     at Object.advance (webpack:///src/app/test/test.module.ts:33:2 <- src/test.ts:85821:15) [ProxyZone] 
     at Object.<anonymous> (webpack:///src/app/app.component.spec.ts:79:6 <- src/test.ts:85712:27) [ProxyZone] 
     at Object.<anonymous> (webpack:///~/@angular/core/@angular/core/testing.es5.js:348:0 <- src/test.ts:53385:26) [ProxyZone] 

我们如何测试这样的路线？

Answer 1

好吧，我刚刚发现。我应该更多地关注错误日志。我会回答自己，以防万一它帮助某人。

这是可以做到建立存根模块，SpyNgModuleFactoryLoader

这工作：

it('should navigate to foo child path', fakeAsync(() => { 
    let router = TestBed.get(Router); 
    let location = TestBed.get(Location); 
    let fixture = TestBed.createComponent(AppComponent); 
    router.initialNavigation(); 

    const loader = TestBed.get(NgModuleFactoryLoader); 
    loader.stubbedModules = {lazyModule: FooModule}; 

    router.resetConfig([ 
    {path: 'foo', loadChildren: 'lazyModule'}, 
    ]); 

    router.navigateByUrl('/foo/child'); 

    tick(); 
    fixture.detectChanges(); 

    expect(location.path()).toBe('/foo/child'); 
}));