130 lines
4.1 KiB
TypeScript
130 lines
4.1 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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import {Component, NgModule, NgModuleFactoryLoader} from '@angular/core';
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import {ComponentFixture, TestBed, fakeAsync, inject, tick} from '@angular/core/testing';
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import {Router, RouterModule} from '../index';
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import {PreloadAllModules, PreloadingStrategy, RouterPreloader} from '../src/router_preloader';
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import {RouterTestingModule, SpyNgModuleFactoryLoader} from '../testing';
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describe('RouterPreloader', () => {
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@Component({template: ''})
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class LazyLoadedCmp {
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}
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@Component({})
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class BlankCmp {
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}
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describe('should preload configurations', () => {
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@NgModule({
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declarations: [LazyLoadedCmp],
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imports: [RouterModule.forChild([{path: 'LoadedModule2', component: LazyLoadedCmp}])]
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})
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class LoadedModule2 {
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}
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@NgModule(
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{imports: [RouterModule.forChild([{path: 'LoadedModule1', loadChildren: 'expected2'}])]})
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class LoadedModule1 {
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}
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beforeEach(() => {
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TestBed.configureTestingModule({
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imports: [RouterTestingModule.withRoutes([{path: 'lazy', loadChildren: 'expected'}])],
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providers: [{provide: PreloadingStrategy, useExisting: PreloadAllModules}]
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});
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});
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it('should work',
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fakeAsync(inject(
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[NgModuleFactoryLoader, RouterPreloader, Router],
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(loader: SpyNgModuleFactoryLoader, preloader: RouterPreloader, router: Router) => {
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loader.stubbedModules = {expected: LoadedModule1, expected2: LoadedModule2};
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preloader.preload().subscribe(() => {});
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tick();
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const c = router.config;
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expect(c[0].loadChildren).toEqual('expected');
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const loaded: any = (<any>c[0])._loadedConfig.routes;
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expect(loaded[0].path).toEqual('LoadedModule1');
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const loaded2: any = (<any>loaded[0])._loadedConfig.routes;
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expect(loaded2[0].path).toEqual('LoadedModule2');
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})));
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});
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describe('should not load configurations with canLoad guard', () => {
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@NgModule({
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declarations: [LazyLoadedCmp],
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imports: [RouterModule.forChild([{path: 'LoadedModule1', component: LazyLoadedCmp}])]
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})
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class LoadedModule {
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}
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beforeEach(() => {
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TestBed.configureTestingModule({
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imports: [RouterTestingModule.withRoutes(
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[{path: 'lazy', loadChildren: 'expected', canLoad: ['someGuard']}])],
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providers: [{provide: PreloadingStrategy, useExisting: PreloadAllModules}]
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});
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});
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it('should work',
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fakeAsync(inject(
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[NgModuleFactoryLoader, RouterPreloader, Router],
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(loader: SpyNgModuleFactoryLoader, preloader: RouterPreloader, router: Router) => {
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loader.stubbedModules = {expected: LoadedModule};
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preloader.preload().subscribe(() => {});
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tick();
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const c = router.config;
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expect(!!((<any>c[0])._loadedConfig)).toBe(false);
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})));
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});
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describe('should ignore errors', () => {
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@NgModule({
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declarations: [LazyLoadedCmp],
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imports: [RouterModule.forChild([{path: 'LoadedModule1', component: LazyLoadedCmp}])]
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})
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class LoadedModule {
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}
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beforeEach(() => {
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TestBed.configureTestingModule({
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imports: [RouterTestingModule.withRoutes([
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{path: 'lazy1', loadChildren: 'expected1'}, {path: 'lazy2', loadChildren: 'expected2'}
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])],
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providers: [{provide: PreloadingStrategy, useExisting: PreloadAllModules}]
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});
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});
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it('should work',
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fakeAsync(inject(
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[NgModuleFactoryLoader, RouterPreloader, Router],
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(loader: SpyNgModuleFactoryLoader, preloader: RouterPreloader, router: Router) => {
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loader.stubbedModules = {expected2: LoadedModule};
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preloader.preload().subscribe(() => {});
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tick();
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const c = router.config;
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expect(!!((<any>c[0])._loadedConfig)).toBe(false);
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expect(!!((<any>c[1])._loadedConfig)).toBe(true);
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})));
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});
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});
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