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SpyNgModuleFactoryLoader

npm Package @angular/router
Module import { SpyNgModuleFactoryLoader } from '@angular/router/testing';
Source router/testing/src/router_testing_module.ts

Allows to simulate the loading of ng modules in tests.

Overview

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

How To Use

      
      const loader = TestBed.get(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');

Constructor

      
      constructor(compiler: Compiler)

Members

      
      stubbedModules: {
    [path: string]: any;
}
    
      
      load(path: string): Promise<NgModuleFactory<any>>

Annotations

      
      @Injectable()