121 lines
4.5 KiB
TypeScript
121 lines
4.5 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 {Location} from '@angular/common';
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import {TestBed, inject} from '@angular/core/testing';
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import {ResolveData} from '../src/config';
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import {PreActivation, Router} from '../src/router';
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import {ChildrenOutletContexts} from '../src/router_outlet_context';
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import {ActivatedRouteSnapshot, RouterStateSnapshot, createEmptyStateSnapshot} from '../src/router_state';
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import {DefaultUrlSerializer} from '../src/url_tree';
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import {TreeNode} from '../src/utils/tree';
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import {RouterTestingModule} from '../testing/src/router_testing_module';
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describe('Router', () => {
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describe('resetRootComponentType', () => {
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class NewRootComponent {}
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beforeEach(() => { TestBed.configureTestingModule({imports: [RouterTestingModule]}); });
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it('should not change root route when updating the root component', () => {
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const r: Router = TestBed.get(Router);
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const root = r.routerState.root;
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r.resetRootComponentType(NewRootComponent);
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expect(r.routerState.root).toBe(root);
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});
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});
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describe('setUpLocationChangeListener', () => {
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beforeEach(() => { TestBed.configureTestingModule({imports: [RouterTestingModule]}); });
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it('should be indempotent', inject([Router, Location], (r: Router, location: Location) => {
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r.setUpLocationChangeListener();
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const a = (<any>r).locationSubscription;
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r.setUpLocationChangeListener();
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const b = (<any>r).locationSubscription;
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expect(a).toBe(b);
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r.dispose();
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r.setUpLocationChangeListener();
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const c = (<any>r).locationSubscription;
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expect(c).not.toBe(b);
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}));
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});
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describe('PreActivation', () => {
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const serializer = new DefaultUrlSerializer();
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const inj = {get: (token: any) => () => `${token}_value`};
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let empty: RouterStateSnapshot;
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beforeEach(() => { empty = createEmptyStateSnapshot(serializer.parse('/'), null !); });
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it('should resolve data', () => {
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const r = {data: 'resolver'};
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const n = createActivatedRouteSnapshot('a', {resolve: r});
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const s = new RouterStateSnapshot('url', new TreeNode(empty.root, [new TreeNode(n, [])]));
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checkResolveData(s, empty, inj, () => {
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expect(s.root.firstChild !.data).toEqual({data: 'resolver_value'});
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});
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});
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it('should wait for the parent resolve to complete', () => {
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const parentResolve = {data: 'resolver'};
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const childResolve = {};
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const parent = createActivatedRouteSnapshot(null !, {resolve: parentResolve});
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const child = createActivatedRouteSnapshot('b', {resolve: childResolve});
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const s = new RouterStateSnapshot(
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'url', new TreeNode(empty.root, [new TreeNode(parent, [new TreeNode(child, [])])]));
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const inj = {get: (token: any) => () => Promise.resolve(`${token}_value`)};
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checkResolveData(s, empty, inj, () => {
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expect(s.root.firstChild !.firstChild !.data).toEqual({data: 'resolver_value'});
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});
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});
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it('should copy over data when creating a snapshot', () => {
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const r1 = {data: 'resolver1'};
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const r2 = {data: 'resolver2'};
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const n1 = createActivatedRouteSnapshot('a', {resolve: r1});
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const s1 = new RouterStateSnapshot('url', new TreeNode(empty.root, [new TreeNode(n1, [])]));
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checkResolveData(s1, empty, inj, () => {});
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const n21 = createActivatedRouteSnapshot('a', {resolve: r1});
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const n22 = createActivatedRouteSnapshot('b', {resolve: r2});
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const s2 = new RouterStateSnapshot(
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'url', new TreeNode(empty.root, [new TreeNode(n21, [new TreeNode(n22, [])])]));
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checkResolveData(s2, s1, inj, () => {
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expect(s2.root.firstChild !.data).toEqual({data: 'resolver1_value'});
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expect(s2.root.firstChild !.firstChild !.data).toEqual({data: 'resolver2_value'});
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});
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});
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});
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});
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function checkResolveData(
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future: RouterStateSnapshot, curr: RouterStateSnapshot, injector: any, check: any): void {
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const p = new PreActivation(future, curr, injector);
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p.traverse(new ChildrenOutletContexts());
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p.resolveData().subscribe(check, (e) => { throw e; });
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}
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function createActivatedRouteSnapshot(cmp: string, extra: any = {}): ActivatedRouteSnapshot {
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return new ActivatedRouteSnapshot(
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<any>[], {}, <any>null, <any>null, <any>null, <any>null, <any>cmp, <any>{}, <any>null, -1,
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extra.resolve);
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}
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