/** * @license * Copyright Google Inc. All Rights Reserved. * * Use of this source code is governed by an MIT-style license that can be * found in the LICENSE file at https://angular.io/license */ import {TestBed} from '@angular/core/testing'; import {PreActivation, Router} from '../src/router'; import {RouterOutletMap} from '../src/router_outlet_map'; import {ActivatedRouteSnapshot, InheritedResolve, RouterStateSnapshot, createEmptyStateSnapshot} from '../src/router_state'; import {DefaultUrlSerializer} from '../src/url_tree'; import {TreeNode} from '../src/utils/tree'; import {RouterTestingModule} from '../testing/router_testing_module'; describe('Router', () => { describe('resetRootComponentType', () => { class NewRootComponent {} beforeEach(() => { TestBed.configureTestingModule({imports: [RouterTestingModule]}); }); it('should not change root route when updating the root component', () => { const r: Router = TestBed.get(Router); const root = r.routerState.root; r.resetRootComponentType(NewRootComponent); expect(r.routerState.root).toBe(root); }); }); describe('PreActivation', () => { const serializer = new DefaultUrlSerializer(); const inj = {get: (token: any) => () => `${token}_value`}; let empty: RouterStateSnapshot; beforeEach(() => { empty = createEmptyStateSnapshot(serializer.parse('/'), null); }); it('should resolve data', () => { const r = new InheritedResolve(InheritedResolve.empty, {data: 'resolver'}); const n = createActivatedRouteSnapshot('a', {resolve: r}); const s = new RouterStateSnapshot('url', new TreeNode(empty.root, [new TreeNode(n, [])])); checkResolveData(s, empty, inj, () => { expect(s.root.firstChild.data).toEqual({data: 'resolver_value'}); }); }); it('should copy over data when creating a snapshot', () => { const r1 = new InheritedResolve(InheritedResolve.empty, {data: 'resolver1'}); const r2 = new InheritedResolve(InheritedResolve.empty, {data: 'resolver2'}); const n1 = createActivatedRouteSnapshot('a', {resolve: r1}); const s1 = new RouterStateSnapshot('url', new TreeNode(empty.root, [new TreeNode(n1, [])])); checkResolveData(s1, empty, inj, () => {}); const n21 = createActivatedRouteSnapshot('a', {resolve: r1}); const n22 = createActivatedRouteSnapshot('b', {resolve: r2}); const s2 = new RouterStateSnapshot( 'url', new TreeNode(empty.root, [new TreeNode(n21, [new TreeNode(n22, [])])])); checkResolveData(s2, s1, inj, () => { expect(s2.root.firstChild.data).toEqual({data: 'resolver1_value'}); expect(s2.root.firstChild.firstChild.data).toEqual({data: 'resolver2_value'}); }); }); }); }); function checkResolveData( future: RouterStateSnapshot, curr: RouterStateSnapshot, injector: any, check: any): void { const p = new PreActivation(future, curr, injector); p.traverse(new RouterOutletMap()); p.resolveData().subscribe(check, (e) => { throw e; }); } function createActivatedRouteSnapshot(cmp: string, extra: any = {}): ActivatedRouteSnapshot { return new ActivatedRouteSnapshot( null, {}, null, null, null, null, cmp, null, null, -1, extra.resolve); }