144 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			144 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
| /**
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|  * @license
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|  * Copyright Google Inc. All Rights Reserved.
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|  *
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|  * Use of this source code is governed by an MIT-style license that can be
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|  * found in the LICENSE file at https://angular.io/license
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|  */
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| 
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| import {Location, LocationStrategy} from '@angular/common';
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| import {MockLocationStrategy, SpyLocation} from '@angular/common/testing';
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| import {Compiler, Injectable, Injector, ModuleWithProviders, NgModule, NgModuleFactory, NgModuleFactoryLoader, Optional} from '@angular/core';
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| import {NoPreloading, PreloadingStrategy, Route, Router, RouterModule, RouterOutletMap, Routes, UrlHandlingStrategy, UrlSerializer, provideRoutes} from '@angular/router';
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| 
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| import {ROUTER_PROVIDERS, ROUTES, flatten} from './private_import_router';
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| 
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| 
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| 
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| /**
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|  * @whatItDoes Allows to simulate the loading of ng modules in tests.
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|  *
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|  * @howToUse
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|  *
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|  * ```
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|  * const loader = TestBed.get(NgModuleFactoryLoader);
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|  *
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|  * @Component({template: 'lazy-loaded'})
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|  * class LazyLoadedComponent {}
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|  * @NgModule({
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|  *   declarations: [LazyLoadedComponent],
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|  *   imports: [RouterModule.forChild([{path: 'loaded', component: LazyLoadedComponent}])]
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|  * })
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|  *
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|  * class LoadedModule {}
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|  *
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|  * // sets up stubbedModules
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|  * loader.stubbedModules = {lazyModule: LoadedModule};
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|  *
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|  * router.resetConfig([
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|  *   {path: 'lazy', loadChildren: 'lazyModule'},
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|  * ]);
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|  *
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|  * router.navigateByUrl('/lazy/loaded');
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|  * ```
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|  *
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|  * @stable
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|  */
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| @Injectable()
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| export class SpyNgModuleFactoryLoader implements NgModuleFactoryLoader {
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|   /**
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|    * @docsNotRequired
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|    */
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|   private _stubbedModules: {[path: string]: Promise<NgModuleFactory<any>>} = {};
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| 
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|   /**
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|    * @docsNotRequired
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|    */
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|   set stubbedModules(modules: {[path: string]: any}) {
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|     const res: {[path: string]: any} = {};
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|     for (const t of Object.keys(modules)) {
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|       res[t] = this.compiler.compileModuleAsync(modules[t]);
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|     }
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|     this._stubbedModules = res;
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|   }
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| 
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|   /**
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|    * @docsNotRequired
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|    */
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|   get stubbedModules(): {[path: string]: any} { return this._stubbedModules; }
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| 
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|   constructor(private compiler: Compiler) {}
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| 
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|   load(path: string): Promise<NgModuleFactory<any>> {
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|     if (this._stubbedModules[path]) {
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|       return this._stubbedModules[path];
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|     } else {
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|       return <any>Promise.reject(new Error(`Cannot find module ${path}`));
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|     }
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|   }
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| }
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| 
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| /**
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|  * Router setup factory function used for testing.
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|  *
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|  * @stable
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|  */
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| export function setupTestingRouter(
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|     urlSerializer: UrlSerializer, outletMap: RouterOutletMap, location: Location,
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|     loader: NgModuleFactoryLoader, compiler: Compiler, injector: Injector, routes: Route[][],
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|     urlHandlingStrategy?: UrlHandlingStrategy) {
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|   const router = new Router(
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|       null, urlSerializer, outletMap, location, injector, loader, compiler, flatten(routes));
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|   if (urlHandlingStrategy) {
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|     router.urlHandlingStrategy = urlHandlingStrategy;
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|   }
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|   return router;
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| }
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| 
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| /**
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|  * @whatItDoes Sets up the router to be used for testing.
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|  *
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|  * @howToUse
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|  *
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|  * ```
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|  * beforeEach(() => {
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|  *   TestBed.configureTestModule({
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|  *     imports: [
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|  *       RouterTestingModule.withRoutes(
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|  *         [{path: '', component: BlankCmp}, {path: 'simple', component: SimpleCmp}])]
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|  *       )
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|  *     ]
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|  *   });
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|  * });
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|  * ```
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|  *
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|  * @description
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|  *
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|  * The modules sets up the router to be used for testing.
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|  * It provides spy implementations of {@link Location}, {@link LocationStrategy}, and {@link
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|  * NgModuleFactoryLoader}.
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|  *
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|  * @stable
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|  */
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| @NgModule({
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|   exports: [RouterModule],
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|   providers: [
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|     ROUTER_PROVIDERS, {provide: Location, useClass: SpyLocation},
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|     {provide: LocationStrategy, useClass: MockLocationStrategy},
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|     {provide: NgModuleFactoryLoader, useClass: SpyNgModuleFactoryLoader}, {
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|       provide: Router,
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|       useFactory: setupTestingRouter,
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|       deps: [
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|         UrlSerializer, RouterOutletMap, Location, NgModuleFactoryLoader, Compiler, Injector, ROUTES,
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|         [UrlHandlingStrategy, new Optional()]
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|       ]
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|     },
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|     {provide: PreloadingStrategy, useExisting: NoPreloading}, provideRoutes([])
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|   ]
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| })
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| export class RouterTestingModule {
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|   static withRoutes(routes: Routes): ModuleWithProviders {
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|     return {ngModule: RouterTestingModule, providers: [provideRoutes(routes)]};
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|   }
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| }
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