W3cubDocs

/Angular 12

SpyNgModuleFactoryLoader

class final

Allows to simulate the loading of ng modules in tests.

See more...

class SpyNgModuleFactoryLoader implements NgModuleFactoryLoader {
  stubbedModules: {...}
  load(path: string): Promise<NgModuleFactory<any>>
}

Description

const loader = TestBed.inject(NgModuleFactoryLoader);

@Component({template: 'lazy-loaded'})
class LazyLoadedComponent {}
@NgModule({
  declarations: [LazyLoadedComponent],
  imports: [RouterModule.forChild([{path: 'loaded', component: LazyLoadedComponent}])]
})

class LoadedModule {}

// sets up stubbedModules
loader.stubbedModules = {lazyModule: LoadedModule};

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

router.navigateByUrl('/lazy/loaded');

Properties

Property Description
stubbedModules: { [path: string]: any; }

Methods

load(path: string): Promise<NgModuleFactory<any>>

Parameters
path string
Returns

Promise<NgModuleFactory<any>>

© 2010–2021 Google, Inc.
Licensed under the Creative Commons Attribution License 4.0.
https://v12.angular.io/api/router/testing/SpyNgModuleFactoryLoader