angular-cn/packages/router/test/router.spec.ts

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/**
* @license
* Copyright Google LLC 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 {Location} from '@angular/common';
import {inject, TestBed} from '@angular/core/testing';
import {RouterTestingModule} from '@angular/router/testing';
import {of} from 'rxjs';
import {Routes} from '../src/config';
import {ChildActivationStart} from '../src/events';
import {checkGuards as checkGuardsOperator} from '../src/operators/check_guards';
import {resolveData as resolveDataOperator} from '../src/operators/resolve_data';
import {NavigationTransition, Router} from '../src/router';
import {ChildrenOutletContexts} from '../src/router_outlet_context';
import {createEmptyStateSnapshot, RouterStateSnapshot} from '../src/router_state';
import {DefaultUrlSerializer, UrlTree} from '../src/url_tree';
import {getAllRouteGuards} from '../src/utils/preactivation';
import {TreeNode} from '../src/utils/tree';
import {createActivatedRouteSnapshot, Logger, provideTokenLogger} from './helpers';
describe('Router', () => {
describe('resetConfig', () => {
class TestComponent {}
beforeEach(() => {
TestBed.configureTestingModule({imports: [RouterTestingModule]});
});
it('should copy config to avoid mutations of user-provided objects', () => {
const r: Router = TestBed.inject(Router);
const configs: Routes = [{
path: 'a',
component: TestComponent,
children: [{path: 'b', component: TestComponent}, {path: 'c', component: TestComponent}]
}];
const children = configs[0].children!;
r.resetConfig(configs);
const rConfigs = r.config;
const rChildren = rConfigs[0].children!;
// routes array and shallow copy
expect(configs).not.toBe(rConfigs);
expect(configs[0]).not.toBe(rConfigs[0]);
expect(configs[0].path).toBe(rConfigs[0].path);
expect(configs[0].component).toBe(rConfigs[0].component);
// children should be new array and routes shallow copied
expect(children).not.toBe(rChildren);
expect(children[0]).not.toBe(rChildren[0]);
expect(children[0].path).toBe(rChildren[0].path);
expect(children[1]).not.toBe(rChildren[1]);
expect(children[1].path).toBe(rChildren[1].path);
});
});
describe('resetRootComponentType', () => {
class NewRootComponent {}
beforeEach(() => {
TestBed.configureTestingModule({imports: [RouterTestingModule]});
});
it('should not change root route when updating the root component', () => {
const r: Router = TestBed.inject(Router);
const root = r.routerState.root;
(r as any).resetRootComponentType(NewRootComponent);
expect(r.routerState.root).toBe(root);
});
});
describe('setUpLocationChangeListener', () => {
beforeEach(() => {
TestBed.configureTestingModule({imports: [RouterTestingModule]});
});
it('should be idempotent', inject([Router, Location], (r: Router, location: Location) => {
r.setUpLocationChangeListener();
const a = (<any>r).locationSubscription;
r.setUpLocationChangeListener();
const b = (<any>r).locationSubscription;
expect(a).toBe(b);
r.dispose();
r.setUpLocationChangeListener();
const c = (<any>r).locationSubscription;
expect(c).not.toBe(b);
}));
});
describe('PreActivation', () => {
const serializer = new DefaultUrlSerializer();
const inj = {get: (token: any) => () => `${token}_value`};
let empty: RouterStateSnapshot;
let logger: Logger;
let events: any[];
const CA_CHILD = 'canActivate_child';
const CA_CHILD_FALSE = 'canActivate_child_false';
const CA_CHILD_REDIRECT = 'canActivate_child_redirect';
const CAC_CHILD = 'canActivateChild_child';
const CAC_CHILD_FALSE = 'canActivateChild_child_false';
const CAC_CHILD_REDIRECT = 'canActivateChild_child_redirect';
const CA_GRANDCHILD = 'canActivate_grandchild';
const CA_GRANDCHILD_FALSE = 'canActivate_grandchild_false';
const CA_GRANDCHILD_REDIRECT = 'canActivate_grandchild_redirect';
const CDA_CHILD = 'canDeactivate_child';
const CDA_CHILD_FALSE = 'canDeactivate_child_false';
const CDA_CHILD_REDIRECT = 'canDeactivate_child_redirect';
const CDA_GRANDCHILD = 'canDeactivate_grandchild';
const CDA_GRANDCHILD_FALSE = 'canDeactivate_grandchild_false';
const CDA_GRANDCHILD_REDIRECT = 'canDeactivate_grandchild_redirect';
beforeEach(() => {
TestBed.configureTestingModule({
imports: [RouterTestingModule],
providers: [
Logger, provideTokenLogger(CA_CHILD), provideTokenLogger(CA_CHILD_FALSE, false),
provideTokenLogger(CA_CHILD_REDIRECT, serializer.parse('/canActivate_child_redirect')),
provideTokenLogger(CAC_CHILD), provideTokenLogger(CAC_CHILD_FALSE, false),
provideTokenLogger(
CAC_CHILD_REDIRECT, serializer.parse('/canActivateChild_child_redirect')),
provideTokenLogger(CA_GRANDCHILD), provideTokenLogger(CA_GRANDCHILD_FALSE, false),
provideTokenLogger(
CA_GRANDCHILD_REDIRECT, serializer.parse('/canActivate_grandchild_redirect')),
provideTokenLogger(CDA_CHILD), provideTokenLogger(CDA_CHILD_FALSE, false),
provideTokenLogger(CDA_CHILD_REDIRECT, serializer.parse('/canDeactivate_child_redirect')),
provideTokenLogger(CDA_GRANDCHILD), provideTokenLogger(CDA_GRANDCHILD_FALSE, false),
provideTokenLogger(
CDA_GRANDCHILD_REDIRECT, serializer.parse('/canDeactivate_grandchild_redirect'))
]
});
});
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beforeEach(inject([Logger], (_logger: Logger) => {
empty = createEmptyStateSnapshot(serializer.parse('/'), null!);
logger = _logger;
events = [];
}));
describe('ChildActivation', () => {
it('should run', () => {
/**
* R --> R (ChildActivationStart)
* \
* child
*/
let result = false;
const childSnapshot =
createActivatedRouteSnapshot({component: 'child', routeConfig: {path: 'child'}});
const futureState = new (RouterStateSnapshot as any)(
'url', new TreeNode(empty.root, [new TreeNode(childSnapshot, [])]));
// Since we only test the guards, we don't need to provide a full navigation
// transition object with all properties set.
const testTransition = {
guards: getAllRouteGuards(futureState, empty, new ChildrenOutletContexts())
} as NavigationTransition;
of(testTransition)
.pipe(checkGuardsOperator(
TestBed,
(evt) => {
events.push(evt);
}))
.subscribe((x) => result = !!x.guardsResult, (e) => {
throw e;
});
expect(result).toBe(true);
expect(events.length).toEqual(2);
expect(events[0].snapshot).toBe(events[0].snapshot.root);
expect(events[1].snapshot.routeConfig.path).toBe('child');
});
it('should run from top to bottom', () => {
/**
* R --> R (ChildActivationStart)
* \
* child (ChildActivationStart)
* \
* grandchild (ChildActivationStart)
* \
* great grandchild
*/
let result = false;
const childSnapshot =
createActivatedRouteSnapshot({component: 'child', routeConfig: {path: 'child'}});
const grandchildSnapshot = createActivatedRouteSnapshot(
{component: 'grandchild', routeConfig: {path: 'grandchild'}});
const greatGrandchildSnapshot = createActivatedRouteSnapshot(
{component: 'great-grandchild', routeConfig: {path: 'great-grandchild'}});
const futureState = new (RouterStateSnapshot as any)(
'url',
new TreeNode(
empty.root, [new TreeNode(childSnapshot, [
new TreeNode(grandchildSnapshot, [new TreeNode(greatGrandchildSnapshot, [])])
])]));
// Since we only test the guards, we don't need to provide a full navigation
// transition object with all properties set.
const testTransition = {
guards: getAllRouteGuards(futureState, empty, new ChildrenOutletContexts())
} as NavigationTransition;
of(testTransition)
.pipe(checkGuardsOperator(
TestBed,
(evt) => {
events.push(evt);
}))
.subscribe((x) => result = !!x.guardsResult, (e) => {
throw e;
});
expect(result).toBe(true);
expect(events.length).toEqual(6);
expect(events[0].snapshot).toBe(events[0].snapshot.root);
expect(events[2].snapshot.routeConfig.path).toBe('child');
expect(events[4].snapshot.routeConfig.path).toBe('grandchild');
expect(events[5].snapshot.routeConfig.path).toBe('great-grandchild');
});
it('should not run for unchanged routes', () => {
/**
* R --> R
* / \
* child child (ChildActivationStart)
* \
* grandchild
*/
let result = false;
const childSnapshot =
createActivatedRouteSnapshot({component: 'child', routeConfig: {path: 'child'}});
const grandchildSnapshot = createActivatedRouteSnapshot(
{component: 'grandchild', routeConfig: {path: 'grandchild'}});
const currentState = new (RouterStateSnapshot as any)(
'url', new TreeNode(empty.root, [new TreeNode(childSnapshot, [])]));
const futureState = new (RouterStateSnapshot as any)(
'url',
new TreeNode(
empty.root, [new TreeNode(childSnapshot, [new TreeNode(grandchildSnapshot, [])])]));
// Since we only test the guards, we don't need to provide a full navigation
// transition object with all properties set.
const testTransition = {
guards: getAllRouteGuards(futureState, currentState, new ChildrenOutletContexts())
} as NavigationTransition;
of(testTransition)
.pipe(checkGuardsOperator(
TestBed,
(evt) => {
events.push(evt);
}))
.subscribe((x) => result = !!x.guardsResult, (e) => {
throw e;
});
expect(result).toBe(true);
expect(events.length).toEqual(2);
expect(events[0].snapshot).not.toBe(events[0].snapshot.root);
expect(events[0].snapshot.routeConfig.path).toBe('child');
});
it('should skip multiple unchanged routes but fire for all changed routes', () => {
/**
* R --> R
* / \
* child child
* / \
* grandchild grandchild (ChildActivationStart)
* \
* greatgrandchild (ChildActivationStart)
* \
* great-greatgrandchild
*/
let result = false;
const childSnapshot =
createActivatedRouteSnapshot({component: 'child', routeConfig: {path: 'child'}});
const grandchildSnapshot = createActivatedRouteSnapshot(
{component: 'grandchild', routeConfig: {path: 'grandchild'}});
const greatGrandchildSnapshot = createActivatedRouteSnapshot(
{component: 'greatgrandchild', routeConfig: {path: 'greatgrandchild'}});
const greatGreatGrandchildSnapshot = createActivatedRouteSnapshot(
{component: 'great-greatgrandchild', routeConfig: {path: 'great-greatgrandchild'}});
const currentState = new (RouterStateSnapshot as any)(
'url',
new TreeNode(
empty.root, [new TreeNode(childSnapshot, [new TreeNode(grandchildSnapshot, [])])]));
const futureState = new (RouterStateSnapshot as any)(
'url',
new TreeNode(
empty.root,
[new TreeNode(
childSnapshot, [new TreeNode(grandchildSnapshot, [
new TreeNode(
greatGrandchildSnapshot, [new TreeNode(greatGreatGrandchildSnapshot, [])])
])])]));
// Since we only test the guards, we don't need to provide a full navigation
// transition object with all properties set.
const testTransition = {
guards: getAllRouteGuards(futureState, currentState, new ChildrenOutletContexts())
} as NavigationTransition;
of(testTransition)
.pipe(checkGuardsOperator(
TestBed,
(evt) => {
events.push(evt);
}))
.subscribe((x) => result = !!x.guardsResult, (e) => {
throw e;
});
expect(result).toBe(true);
expect(events.length).toEqual(4);
expect(events[0] instanceof ChildActivationStart).toBe(true);
expect(events[0].snapshot).not.toBe(events[0].snapshot.root);
expect(events[0].snapshot.routeConfig.path).toBe('grandchild');
expect(events[2].snapshot.routeConfig.path).toBe('greatgrandchild');
});
});
describe('guards', () => {
it('should run CanActivate checks', () => {
/**
* R --> R
* \
* child (CA, CAC)
* \
* grandchild (CA)
*/
const childSnapshot = createActivatedRouteSnapshot({
component: 'child',
routeConfig: {
canActivate: [CA_CHILD],
canActivateChild: [CAC_CHILD]
}
});
const grandchildSnapshot = createActivatedRouteSnapshot(
{component: 'grandchild', routeConfig: {canActivate: [CA_GRANDCHILD]}});
const futureState = new (RouterStateSnapshot as any)(
'url',
new TreeNode(
empty.root, [new TreeNode(childSnapshot, [new TreeNode(grandchildSnapshot, [])])]));
checkGuards(futureState, empty, TestBed, (result) => {
expect(result).toBe(true);
expect(logger.logs).toEqual([CA_CHILD, CAC_CHILD, CA_GRANDCHILD]);
});
});
it('should not run grandchild guards if child fails', () => {
/**
* R --> R
* \
* child (CA: x, CAC)
* \
* grandchild (CA)
*/
const childSnapshot = createActivatedRouteSnapshot({
component: 'child',
routeConfig: {canActivate: [CA_CHILD_FALSE], canActivateChild: [CAC_CHILD]}
});
const grandchildSnapshot = createActivatedRouteSnapshot(
{component: 'grandchild', routeConfig: {canActivate: [CA_GRANDCHILD]}});
const futureState = new (RouterStateSnapshot as any)(
'url',
new TreeNode(
empty.root, [new TreeNode(childSnapshot, [new TreeNode(grandchildSnapshot, [])])]));
checkGuards(futureState, empty, TestBed, (result) => {
expect(result).toBe(false);
expect(logger.logs).toEqual([CA_CHILD_FALSE]);
});
});
it('should not run grandchild guards if child canActivateChild fails', () => {
/**
* R --> R
* \
* child (CA, CAC: x)
* \
* grandchild (CA)
*/
const childSnapshot = createActivatedRouteSnapshot({
component: 'child',
routeConfig: {canActivate: [CA_CHILD], canActivateChild: [CAC_CHILD_FALSE]}
});
const grandchildSnapshot = createActivatedRouteSnapshot(
{component: 'grandchild', routeConfig: {canActivate: [CA_GRANDCHILD]}});
const futureState = new (RouterStateSnapshot as any)(
'url',
new TreeNode(
empty.root, [new TreeNode(childSnapshot, [new TreeNode(grandchildSnapshot, [])])]));
checkGuards(futureState, empty, TestBed, (result) => {
expect(result).toBe(false);
expect(logger.logs).toEqual([CA_CHILD, CAC_CHILD_FALSE]);
});
});
it('should run deactivate guards before activate guards', () => {
/**
* R --> R
* / \
* prev (CDA) child (CA)
* \
* grandchild (CA)
*/
const prevSnapshot = createActivatedRouteSnapshot(
{component: 'prev', routeConfig: {canDeactivate: [CDA_CHILD]}});
const childSnapshot = createActivatedRouteSnapshot({
component: 'child',
routeConfig: {canActivate: [CA_CHILD], canActivateChild: [CAC_CHILD]}
});
const grandchildSnapshot = createActivatedRouteSnapshot(
{component: 'grandchild', routeConfig: {canActivate: [CA_GRANDCHILD]}});
const currentState = new (RouterStateSnapshot as any)(
'prev', new TreeNode(empty.root, [new TreeNode(prevSnapshot, [])]));
const futureState = new (RouterStateSnapshot as any)(
'url',
new TreeNode(
empty.root, [new TreeNode(childSnapshot, [new TreeNode(grandchildSnapshot, [])])]));
checkGuards(futureState, currentState, TestBed, (result) => {
expect(logger.logs).toEqual([CDA_CHILD, CA_CHILD, CAC_CHILD, CA_GRANDCHILD]);
});
});
it('should not run activate if deactivate fails guards', () => {
/**
* R --> R
* / \
* prev (CDA: x) child (CA)
* \
* grandchild (CA)
*/
const prevSnapshot = createActivatedRouteSnapshot(
{component: 'prev', routeConfig: {canDeactivate: [CDA_CHILD_FALSE]}});
const childSnapshot = createActivatedRouteSnapshot({
component: 'child',
routeConfig: {canActivate: [CA_CHILD], canActivateChild: [CAC_CHILD]}
});
const grandchildSnapshot = createActivatedRouteSnapshot(
{component: 'grandchild', routeConfig: {canActivate: [CA_GRANDCHILD]}});
const currentState = new (RouterStateSnapshot as any)(
'prev', new TreeNode(empty.root, [new TreeNode(prevSnapshot, [])]));
const futureState = new (RouterStateSnapshot as any)(
'url',
new TreeNode(
empty.root, [new TreeNode(childSnapshot, [new TreeNode(grandchildSnapshot, [])])]));
checkGuards(futureState, currentState, TestBed, (result) => {
expect(result).toBe(false);
expect(logger.logs).toEqual([CDA_CHILD_FALSE]);
});
});
it('should deactivate from bottom up, then activate top down', () => {
/**
* R --> R
* / \
* prevChild (CDA) child (CA)
* / \
* prevGrandchild(CDA) grandchild (CA)
*/
const prevChildSnapshot = createActivatedRouteSnapshot(
{component: 'prev_child', routeConfig: {canDeactivate: [CDA_CHILD]}});
const prevGrandchildSnapshot = createActivatedRouteSnapshot(
{component: 'prev_grandchild', routeConfig: {canDeactivate: [CDA_GRANDCHILD]}});
const childSnapshot = createActivatedRouteSnapshot({
component: 'child',
routeConfig: {canActivate: [CA_CHILD], canActivateChild: [CAC_CHILD]}
});
const grandchildSnapshot = createActivatedRouteSnapshot(
{component: 'grandchild', routeConfig: {canActivate: [CA_GRANDCHILD]}});
const currentState = new (RouterStateSnapshot as any)(
'prev', new TreeNode(empty.root, [
new TreeNode(prevChildSnapshot, [new TreeNode(prevGrandchildSnapshot, [])])
]));
const futureState = new (RouterStateSnapshot as any)(
'url',
new TreeNode(
empty.root, [new TreeNode(childSnapshot, [new TreeNode(grandchildSnapshot, [])])]));
checkGuards(futureState, currentState, TestBed, (result) => {
expect(result).toBe(true);
expect(logger.logs).toEqual([
CDA_GRANDCHILD, CDA_CHILD, CA_CHILD, CAC_CHILD, CA_GRANDCHILD
]);
});
logger.empty();
checkGuards(currentState, futureState, TestBed, (result) => {
expect(result).toBe(true);
expect(logger.logs).toEqual([]);
});
});
describe('UrlTree', () => {
it('should allow return of UrlTree from CanActivate', () => {
/**
* R --> R
* \
* child (CA: redirect)
*/
const childSnapshot = createActivatedRouteSnapshot({
component: 'child',
routeConfig: {
canActivate: [CA_CHILD_REDIRECT]
}
});
const futureState = new (RouterStateSnapshot as any)(
'url', new TreeNode(empty.root, [new TreeNode(childSnapshot, [])]));
checkGuards(futureState, empty, TestBed, (result) => {
expect(serializer.serialize(result as UrlTree)).toBe('/' + CA_CHILD_REDIRECT);
expect(logger.logs).toEqual([CA_CHILD_REDIRECT]);
});
});
it('should allow return of UrlTree from CanActivateChild', () => {
/**
* R --> R
* \
* child (CAC: redirect)
* \
* grandchild (CA)
*/
const childSnapshot = createActivatedRouteSnapshot(
{component: 'child', routeConfig: {canActivateChild: [CAC_CHILD_REDIRECT]}});
const grandchildSnapshot = createActivatedRouteSnapshot(
{component: 'grandchild', routeConfig: {canActivate: [CA_GRANDCHILD]}});
const futureState = new (RouterStateSnapshot as any)(
'url', new TreeNode(empty.root, [
new TreeNode(childSnapshot, [new TreeNode(grandchildSnapshot, [])])
]));
checkGuards(futureState, empty, TestBed, (result) => {
expect(serializer.serialize(result as UrlTree)).toBe('/' + CAC_CHILD_REDIRECT);
expect(logger.logs).toEqual([CAC_CHILD_REDIRECT]);
});
});
it('should allow return of UrlTree from a child CanActivate', () => {
/**
* R --> R
* \
* child (CAC)
* \
* grandchild (CA: redirect)
*/
const childSnapshot = createActivatedRouteSnapshot(
{component: 'child', routeConfig: {canActivateChild: [CAC_CHILD]}});
const grandchildSnapshot = createActivatedRouteSnapshot(
{component: 'grandchild', routeConfig: {canActivate: [CA_GRANDCHILD_REDIRECT]}});
const futureState = new (RouterStateSnapshot as any)(
'url', new TreeNode(empty.root, [
new TreeNode(childSnapshot, [new TreeNode(grandchildSnapshot, [])])
]));
checkGuards(futureState, empty, TestBed, (result) => {
expect(serializer.serialize(result as UrlTree)).toBe('/' + CA_GRANDCHILD_REDIRECT);
expect(logger.logs).toEqual([CAC_CHILD, CA_GRANDCHILD_REDIRECT]);
});
});
it('should allow return of UrlTree from a child CanDeactivate', () => {
/**
* R --> R
* / \
* prev (CDA: redirect) child (CA)
* \
* grandchild (CA)
*/
const prevSnapshot = createActivatedRouteSnapshot(
{component: 'prev', routeConfig: {canDeactivate: [CDA_CHILD_REDIRECT]}});
const childSnapshot = createActivatedRouteSnapshot({
component: 'child',
routeConfig: {canActivate: [CA_CHILD], canActivateChild: [CAC_CHILD]}
});
const grandchildSnapshot = createActivatedRouteSnapshot(
{component: 'grandchild', routeConfig: {canActivate: [CA_GRANDCHILD]}});
const currentState = new (RouterStateSnapshot as any)(
'prev', new TreeNode(empty.root, [new TreeNode(prevSnapshot, [])]));
const futureState = new (RouterStateSnapshot as any)(
'url', new TreeNode(empty.root, [
new TreeNode(childSnapshot, [new TreeNode(grandchildSnapshot, [])])
]));
checkGuards(futureState, currentState, TestBed, (result) => {
expect(serializer.serialize(result as UrlTree)).toBe('/' + CDA_CHILD_REDIRECT);
expect(logger.logs).toEqual([CDA_CHILD_REDIRECT]);
});
});
});
});
describe('resolve', () => {
it('should resolve data', () => {
/**
* R --> R
* \
* a
*/
const r = {data: 'resolver'};
const n = createActivatedRouteSnapshot({component: 'a', resolve: r});
const s = new (RouterStateSnapshot as any)(
'url', new TreeNode(empty.root, [new TreeNode(n, [])]));
checkResolveData(s, empty, inj, () => {
expect(s.root.firstChild!.data).toEqual({data: 'resolver_value'});
});
});
it('should wait for the parent resolve to complete', () => {
/**
* R --> R
* \
* null (resolve: parentResolve)
* \
* b (resolve: childResolve)
*/
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'});
});
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});
});
});
});
function checkResolveData(
future: RouterStateSnapshot, curr: RouterStateSnapshot, injector: any, check: any): void {
// Since we only test the guards and their resolve data function, we don't need to provide
// a full navigation transition object with all properties set.
of({guards: getAllRouteGuards(future, curr, new ChildrenOutletContexts())} as
NavigationTransition)
.pipe(resolveDataOperator('emptyOnly', injector))
.subscribe(check, (e) => {
throw e;
});
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}
function checkGuards(
future: RouterStateSnapshot, curr: RouterStateSnapshot, injector: any,
check: (result: boolean|UrlTree) => void): void {
// Since we only test the guards, we don't need to provide a full navigation
// transition object with all properties set.
of({guards: getAllRouteGuards(future, curr, new ChildrenOutletContexts())} as
NavigationTransition)
.pipe(checkGuardsOperator(injector))
.subscribe({
next(t) {
if (t.guardsResult === null) throw new Error('Guard result expected');
return check(t.guardsResult);
},
error(e) {
throw e;
}
});
}