553 lines
22 KiB
TypeScript
553 lines
22 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 {of } from 'rxjs';
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import {Routes} from '../src/config';
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import {ChildActivationStart} from '../src/events';
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import {checkGuards as checkGuardsOperator} from '../src/operators/check_guards';
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import {PreActivation} from '../src/pre_activation';
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import {Router} from '../src/router';
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import {ChildrenOutletContexts} from '../src/router_outlet_context';
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import {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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import {Logger, createActivatedRouteSnapshot, provideTokenLogger} from './helpers';
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describe('Router', () => {
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describe('resetConfig', () => {
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class TestComponent {}
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beforeEach(() => { TestBed.configureTestingModule({imports: [RouterTestingModule]}); });
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it('should copy config to avoid mutations of user-provided objects', () => {
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const r: Router = TestBed.get(Router);
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const configs: Routes = [{
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path: 'a',
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component: TestComponent,
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children: [{path: 'b', component: TestComponent}, {path: 'c', component: TestComponent}]
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}];
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const children = configs[0].children !;
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r.resetConfig(configs);
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const rConfigs = r.config;
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const rChildren = rConfigs[0].children !;
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// routes array and shallow copy
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expect(configs).not.toBe(rConfigs);
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expect(configs[0]).not.toBe(rConfigs[0]);
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expect(configs[0].path).toBe(rConfigs[0].path);
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expect(configs[0].component).toBe(rConfigs[0].component);
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// children should be new array and routes shallow copied
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expect(children).not.toBe(rChildren);
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expect(children[0]).not.toBe(rChildren[0]);
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expect(children[0].path).toBe(rChildren[0].path);
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expect(children[1]).not.toBe(rChildren[1]);
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expect(children[1].path).toBe(rChildren[1].path);
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});
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});
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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 as any).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 idempotent', 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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let logger: Logger;
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let events: any[];
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const CA_CHILD = 'canActivate_child';
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const CA_CHILD_FALSE = 'canActivate_child_false';
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const CAC_CHILD = 'canActivateChild_child';
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const CAC_CHILD_FALSE = 'canActivateChild_child_false';
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const CA_GRANDCHILD = 'canActivate_grandchild';
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const CA_GRANDCHILD_FALSE = 'canActivate_grandchild_false';
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const CDA_CHILD = 'canDeactivate_child';
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const CDA_CHILD_FALSE = 'canDeactivate_child_false';
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const CDA_GRANDCHILD = 'canDeactivate_grandchild';
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const CDA_GRANDCHILD_FALSE = 'canDeactivate_grandchild_false';
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beforeEach(() => {
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TestBed.configureTestingModule({
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providers: [
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Logger, provideTokenLogger(CA_CHILD), provideTokenLogger(CA_CHILD_FALSE, false),
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provideTokenLogger(CAC_CHILD), provideTokenLogger(CAC_CHILD_FALSE, false),
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provideTokenLogger(CA_GRANDCHILD), provideTokenLogger(CA_GRANDCHILD_FALSE, false),
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provideTokenLogger(CDA_CHILD), provideTokenLogger(CDA_CHILD_FALSE, false),
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provideTokenLogger(CDA_GRANDCHILD), provideTokenLogger(CDA_GRANDCHILD_FALSE, false)
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]
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});
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});
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beforeEach(inject([Logger], (_logger: Logger) => {
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empty = createEmptyStateSnapshot(serializer.parse('/'), null !);
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logger = _logger;
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events = [];
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}));
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describe('ChildActivation', () => {
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it('should run', () => {
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/**
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* R --> R (ChildActivationStart)
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* \
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* child
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*/
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let result = false;
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const childSnapshot =
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createActivatedRouteSnapshot({component: 'child', routeConfig: {path: 'child'}});
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const futureState = new (RouterStateSnapshot as any)(
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'url', new TreeNode(empty.root, [new TreeNode(childSnapshot, [])]));
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of ({targetSnapshot: futureState, currentSnapshot: empty})
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.pipe(checkGuardsOperator(
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new ChildrenOutletContexts(), TestBed, (evt) => { events.push(evt); }))
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.subscribe((x) => result = !!x.guardsResult, (e) => { throw e; });
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expect(result).toBe(true);
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expect(events.length).toEqual(2);
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expect(events[0].snapshot).toBe(events[0].snapshot.root);
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expect(events[1].snapshot.routeConfig.path).toBe('child');
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});
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it('should run from top to bottom', () => {
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/**
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* R --> R (ChildActivationStart)
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* \
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* child (ChildActivationStart)
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* \
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* grandchild (ChildActivationStart)
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* \
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* great grandchild
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*/
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let result = false;
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const childSnapshot =
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createActivatedRouteSnapshot({component: 'child', routeConfig: {path: 'child'}});
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const grandchildSnapshot = createActivatedRouteSnapshot(
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{component: 'grandchild', routeConfig: {path: 'grandchild'}});
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const greatGrandchildSnapshot = createActivatedRouteSnapshot(
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{component: 'great-grandchild', routeConfig: {path: 'great-grandchild'}});
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const futureState = new (RouterStateSnapshot as any)(
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'url',
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new TreeNode(
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empty.root, [new TreeNode(childSnapshot, [
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new TreeNode(grandchildSnapshot, [new TreeNode(greatGrandchildSnapshot, [])])
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])]));
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of ({targetSnapshot: futureState, currentSnapshot: empty})
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.pipe(checkGuardsOperator(
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new ChildrenOutletContexts(), TestBed, (evt) => { events.push(evt); }))
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.subscribe((x) => result = !!x.guardsResult, (e) => { throw e; });
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expect(result).toBe(true);
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expect(events.length).toEqual(6);
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expect(events[0].snapshot).toBe(events[0].snapshot.root);
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expect(events[2].snapshot.routeConfig.path).toBe('child');
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expect(events[4].snapshot.routeConfig.path).toBe('grandchild');
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expect(events[5].snapshot.routeConfig.path).toBe('great-grandchild');
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});
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it('should not run for unchanged routes', () => {
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/**
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* R --> R
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* / \
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* child child (ChildActivationStart)
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* \
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* grandchild
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*/
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let result = false;
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const childSnapshot =
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createActivatedRouteSnapshot({component: 'child', routeConfig: {path: 'child'}});
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const grandchildSnapshot = createActivatedRouteSnapshot(
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{component: 'grandchild', routeConfig: {path: 'grandchild'}});
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const currentState = new (RouterStateSnapshot as any)(
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'url', new TreeNode(empty.root, [new TreeNode(childSnapshot, [])]));
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const futureState = new (RouterStateSnapshot as any)(
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'url',
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new TreeNode(
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empty.root, [new TreeNode(childSnapshot, [new TreeNode(grandchildSnapshot, [])])]));
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of ({targetSnapshot: futureState, currentSnapshot: currentState})
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.pipe(checkGuardsOperator(
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new ChildrenOutletContexts(), TestBed, (evt) => { events.push(evt); }))
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.subscribe((x) => result = !!x.guardsResult, (e) => { throw e; });
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expect(result).toBe(true);
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expect(events.length).toEqual(2);
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expect(events[0].snapshot).not.toBe(events[0].snapshot.root);
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expect(events[0].snapshot.routeConfig.path).toBe('child');
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});
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it('should skip multiple unchanged routes but fire for all changed routes', () => {
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/**
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* R --> R
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* / \
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* child child
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* / \
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* grandchild grandchild (ChildActivationStart)
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* \
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* greatgrandchild (ChildActivationStart)
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* \
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* great-greatgrandchild
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*/
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let result = false;
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const childSnapshot =
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createActivatedRouteSnapshot({component: 'child', routeConfig: {path: 'child'}});
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const grandchildSnapshot = createActivatedRouteSnapshot(
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{component: 'grandchild', routeConfig: {path: 'grandchild'}});
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const greatGrandchildSnapshot = createActivatedRouteSnapshot(
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{component: 'greatgrandchild', routeConfig: {path: 'greatgrandchild'}});
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const greatGreatGrandchildSnapshot = createActivatedRouteSnapshot(
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{component: 'great-greatgrandchild', routeConfig: {path: 'great-greatgrandchild'}});
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const currentState = new (RouterStateSnapshot as any)(
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'url',
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new TreeNode(
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empty.root, [new TreeNode(childSnapshot, [new TreeNode(grandchildSnapshot, [])])]));
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const futureState = new (RouterStateSnapshot as any)(
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'url',
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new TreeNode(
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empty.root,
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[new TreeNode(
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childSnapshot, [new TreeNode(grandchildSnapshot, [
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new TreeNode(
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greatGrandchildSnapshot, [new TreeNode(greatGreatGrandchildSnapshot, [])])
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])])]));
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of ({targetSnapshot: futureState, currentSnapshot: currentState})
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.pipe(checkGuardsOperator(
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new ChildrenOutletContexts(), TestBed, (evt) => { events.push(evt); }))
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.subscribe((x) => result = !!x.guardsResult, (e) => { throw e; });
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expect(result).toBe(true);
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expect(events.length).toEqual(4);
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expect(events[0] instanceof ChildActivationStart).toBe(true);
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expect(events[0].snapshot).not.toBe(events[0].snapshot.root);
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expect(events[0].snapshot.routeConfig.path).toBe('grandchild');
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expect(events[2].snapshot.routeConfig.path).toBe('greatgrandchild');
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});
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});
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describe('guards', () => {
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it('should run CanActivate checks', () => {
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/**
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* R --> R
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* \
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* child (CA, CAC)
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* \
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* grandchild (CA)
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*/
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const childSnapshot = createActivatedRouteSnapshot({
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component: 'child',
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routeConfig: {
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canActivate: [CA_CHILD],
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canActivateChild: [CAC_CHILD]
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}
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});
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const grandchildSnapshot = createActivatedRouteSnapshot(
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{component: 'grandchild', routeConfig: {canActivate: [CA_GRANDCHILD]}});
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const futureState = new (RouterStateSnapshot as any)(
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'url',
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new TreeNode(
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empty.root, [new TreeNode(childSnapshot, [new TreeNode(grandchildSnapshot, [])])]));
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checkGuards(futureState, empty, TestBed, (result) => {
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expect(result).toBe(true);
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expect(logger.logs).toEqual([CA_CHILD, CAC_CHILD, CA_GRANDCHILD]);
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});
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});
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it('should not run grandchild guards if child fails', () => {
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/**
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* R --> R
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* \
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* child (CA: x, CAC)
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* \
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* grandchild (CA)
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*/
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const childSnapshot = createActivatedRouteSnapshot({
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component: 'child',
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routeConfig: {canActivate: [CA_CHILD_FALSE], canActivateChild: [CAC_CHILD]}
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});
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const grandchildSnapshot = createActivatedRouteSnapshot(
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{component: 'grandchild', routeConfig: {canActivate: [CA_GRANDCHILD]}});
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const futureState = new (RouterStateSnapshot as any)(
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'url',
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new TreeNode(
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empty.root, [new TreeNode(childSnapshot, [new TreeNode(grandchildSnapshot, [])])]));
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checkGuards(futureState, empty, TestBed, (result) => {
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expect(result).toBe(false);
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expect(logger.logs).toEqual([CA_CHILD_FALSE]);
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});
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});
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it('should not run grandchild guards if child canActivateChild fails', () => {
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/**
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* R --> R
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* \
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* child (CA, CAC: x)
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* \
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* grandchild (CA)
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*/
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const childSnapshot = createActivatedRouteSnapshot({
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component: 'child',
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routeConfig: {canActivate: [CA_CHILD], canActivateChild: [CAC_CHILD_FALSE]}
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});
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const grandchildSnapshot = createActivatedRouteSnapshot(
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{component: 'grandchild', routeConfig: {canActivate: [CA_GRANDCHILD]}});
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const futureState = new (RouterStateSnapshot as any)(
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'url',
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new TreeNode(
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empty.root, [new TreeNode(childSnapshot, [new TreeNode(grandchildSnapshot, [])])]));
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checkGuards(futureState, empty, TestBed, (result) => {
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expect(result).toBe(false);
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expect(logger.logs).toEqual([CA_CHILD, CAC_CHILD_FALSE]);
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});
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});
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it('should run deactivate guards before activate guards', () => {
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/**
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* R --> R
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* / \
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* prev (CDA) child (CA)
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* \
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* grandchild (CA)
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*/
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const prevSnapshot = createActivatedRouteSnapshot(
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{component: 'prev', routeConfig: {canDeactivate: [CDA_CHILD]}});
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const childSnapshot = createActivatedRouteSnapshot({
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component: 'child',
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routeConfig: {canActivate: [CA_CHILD], canActivateChild: [CAC_CHILD]}
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});
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const grandchildSnapshot = createActivatedRouteSnapshot(
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{component: 'grandchild', routeConfig: {canActivate: [CA_GRANDCHILD]}});
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const currentState = new (RouterStateSnapshot as any)(
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'prev', new TreeNode(empty.root, [new TreeNode(prevSnapshot, [])]));
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const futureState = new (RouterStateSnapshot as any)(
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'url',
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new TreeNode(
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empty.root, [new TreeNode(childSnapshot, [new TreeNode(grandchildSnapshot, [])])]));
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checkGuards(futureState, currentState, TestBed, (result) => {
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expect(logger.logs).toEqual([CDA_CHILD, CA_CHILD, CAC_CHILD, CA_GRANDCHILD]);
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});
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});
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it('should not run activate if deactivate fails guards', () => {
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/**
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* R --> R
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* / \
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* prev (CDA) child (CA)
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* \
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* grandchild (CA)
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*/
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const prevSnapshot = createActivatedRouteSnapshot(
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{component: 'prev', routeConfig: {canDeactivate: [CDA_CHILD_FALSE]}});
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const childSnapshot = createActivatedRouteSnapshot({
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component: 'child',
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routeConfig: {canActivate: [CA_CHILD], canActivateChild: [CAC_CHILD]}
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});
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const grandchildSnapshot = createActivatedRouteSnapshot(
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{component: 'grandchild', routeConfig: {canActivate: [CA_GRANDCHILD]}});
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const currentState = new (RouterStateSnapshot as any)(
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'prev', new TreeNode(empty.root, [new TreeNode(prevSnapshot, [])]));
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const futureState = new (RouterStateSnapshot as any)(
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'url',
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new TreeNode(
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empty.root, [new TreeNode(childSnapshot, [new TreeNode(grandchildSnapshot, [])])]));
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checkGuards(futureState, currentState, TestBed, (result) => {
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expect(result).toBe(false);
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expect(logger.logs).toEqual([CDA_CHILD_FALSE]);
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});
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});
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it('should deactivate from bottom up, then activate top down', () => {
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/**
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* R --> R
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* / \
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* prevChild (CDA) child (CA)
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* / \
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* prevGrandchild(CDA) grandchild (CA)
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*/
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const prevChildSnapshot = createActivatedRouteSnapshot(
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{component: 'prev_child', routeConfig: {canDeactivate: [CDA_CHILD]}});
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const prevGrandchildSnapshot = createActivatedRouteSnapshot(
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{component: 'prev_grandchild', routeConfig: {canDeactivate: [CDA_GRANDCHILD]}});
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const childSnapshot = createActivatedRouteSnapshot({
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component: 'child',
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routeConfig: {canActivate: [CA_CHILD], canActivateChild: [CAC_CHILD]}
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});
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const grandchildSnapshot = createActivatedRouteSnapshot(
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{component: 'grandchild', routeConfig: {canActivate: [CA_GRANDCHILD]}});
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const currentState = new (RouterStateSnapshot as any)(
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'prev', new TreeNode(empty.root, [
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new TreeNode(prevChildSnapshot, [new TreeNode(prevGrandchildSnapshot, [])])
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]));
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const futureState = new (RouterStateSnapshot as any)(
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'url',
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new TreeNode(
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empty.root, [new TreeNode(childSnapshot, [new TreeNode(grandchildSnapshot, [])])]));
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checkGuards(futureState, currentState, TestBed, (result) => {
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expect(result).toBe(true);
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expect(logger.logs).toEqual([
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CDA_GRANDCHILD, CDA_CHILD, CA_CHILD, CAC_CHILD, CA_GRANDCHILD
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]);
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});
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logger.empty();
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checkGuards(currentState, futureState, TestBed, (result) => {
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expect(result).toBe(true);
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expect(logger.logs).toEqual([]);
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});
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});
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});
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describe('resolve', () => {
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it('should resolve data', () => {
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/**
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* R --> R
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* \
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* a
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*/
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const r = {data: 'resolver'};
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const n = createActivatedRouteSnapshot({component: 'a', resolve: r});
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const s = new (RouterStateSnapshot as any)(
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'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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/**
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* R --> R
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* \
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* null (resolve: parentResolve)
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* \
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* b (resolve: childResolve)
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*/
|
|
const parentResolve = {data: 'resolver'};
|
|
const childResolve = {};
|
|
|
|
const parent = createActivatedRouteSnapshot({component: null !, resolve: parentResolve});
|
|
const child = createActivatedRouteSnapshot({component: 'b', resolve: childResolve});
|
|
|
|
const s = new (RouterStateSnapshot as any)(
|
|
'url', new TreeNode(empty.root, [new TreeNode(parent, [new TreeNode(child, [])])]));
|
|
|
|
const inj = {get: (token: any) => () => Promise.resolve(`${token}_value`)};
|
|
|
|
checkResolveData(s, empty, inj, () => {
|
|
expect(s.root.firstChild !.firstChild !.data).toEqual({data: 'resolver_value'});
|
|
});
|
|
});
|
|
|
|
it('should copy over data when creating a snapshot', () => {
|
|
/**
|
|
* R --> R --> R
|
|
* \ \
|
|
* n1 (resolve: r1) n21 (resolve: r1)
|
|
* \
|
|
* n22 (resolve: r2)
|
|
*/
|
|
const r1 = {data: 'resolver1'};
|
|
const r2 = {data: 'resolver2'};
|
|
|
|
const n1 = createActivatedRouteSnapshot({component: 'a', resolve: r1});
|
|
const s1 = new (RouterStateSnapshot as any)(
|
|
'url', new TreeNode(empty.root, [new TreeNode(n1, [])]));
|
|
checkResolveData(s1, empty, inj, () => {});
|
|
|
|
const n21 = createActivatedRouteSnapshot({component: 'a', resolve: r1});
|
|
const n22 = createActivatedRouteSnapshot({component: 'b', resolve: r2});
|
|
const s2 = new (RouterStateSnapshot as any)(
|
|
'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.initialize(new ChildrenOutletContexts());
|
|
p.resolveData('emptyOnly').subscribe(check, (e) => { throw e; });
|
|
}
|
|
|
|
function checkGuards(
|
|
future: RouterStateSnapshot, curr: RouterStateSnapshot, injector: any,
|
|
check: (result: boolean) => void): void {
|
|
of ({ targetSnapshot: future, currentSnapshot: curr } as any)
|
|
.pipe(checkGuardsOperator(new ChildrenOutletContexts(), injector))
|
|
.subscribe(t => check(!!t.guardsResult), (e) => { throw e; });
|
|
}
|