angular-cn/modules/@angular/router/test/create_url_tree.spec.ts

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/**
* @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
*/
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import {BehaviorSubject} from 'rxjs/BehaviorSubject';
import {createUrlTree} from '../src/create_url_tree';
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import {ActivatedRoute, ActivatedRouteSnapshot, advanceActivatedRoute} from '../src/router_state';
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import {PRIMARY_OUTLET, Params} from '../src/shared';
import {DefaultUrlSerializer, UrlSegmentGroup, UrlTree} from '../src/url_tree';
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describe('createUrlTree', () => {
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const serializer = new DefaultUrlSerializer();
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it('should navigate to the root', () => {
const p = serializer.parse('/');
const t = createRoot(p, ['/']);
expect(serializer.serialize(t)).toEqual('/');
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});
it('should error when navigating to the root segment with params', () => {
const p = serializer.parse('/');
expect(() => createRoot(p, ['/', {p: 11}]))
.toThrowError(/Root segment cannot have matrix parameters/);
});
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it('should support nested segments', () => {
const p = serializer.parse('/a/b');
const t = createRoot(p, ['/one', 11, 'two', 22]);
expect(serializer.serialize(t)).toEqual('/one/11/two/22');
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});
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it('should stringify positional parameters', () => {
const p = serializer.parse('/a/b');
const t = createRoot(p, ['/one', 11]);
const params = t.root.children[PRIMARY_OUTLET].segments;
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expect(params[0].path).toEqual('one');
expect(params[1].path).toEqual('11');
});
it('should support first segments contaings slashes', () => {
const p = serializer.parse('/');
const t = createRoot(p, [{segmentPath: '/one'}, 'two/three']);
expect(serializer.serialize(t)).toEqual('/%2Fone/two%2Fthree');
});
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it('should preserve secondary segments', () => {
const p = serializer.parse('/a/11/b(right:c)');
const t = createRoot(p, ['/a', 11, 'd']);
expect(serializer.serialize(t)).toEqual('/a/11/d(right:c)');
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});
it('should support updating secondary segments (absolute)', () => {
const p = serializer.parse('/a(right:b)');
const t = createRoot(p, ['/', {outlets: {right: ['c']}}]);
expect(serializer.serialize(t)).toEqual('/a(right:c)');
});
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it('should support updating secondary segments', () => {
const p = serializer.parse('/a(right:b)');
const t = createRoot(p, [{outlets: {right: ['c', 11, 'd']}}]);
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expect(serializer.serialize(t)).toEqual('/a(right:c/11/d)');
});
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it('should support updating secondary segments (nested case)', () => {
const p = serializer.parse('/a/(b//right:c)');
const t = createRoot(p, ['a', {outlets: {right: ['d', 11, 'e']}}]);
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expect(serializer.serialize(t)).toEqual('/a/(b//right:d/11/e)');
});
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it('should throw when outlets is not the last command', () => {
const p = serializer.parse('/a');
expect(() => createRoot(p, ['a', {outlets: {right: ['c']}}, 'c']))
.toThrowError('{outlets:{}} has to be the last command');
});
it('should support updating using a string', () => {
const p = serializer.parse('/a(right:b)');
const t = createRoot(p, [{outlets: {right: 'c/11/d'}}]);
expect(serializer.serialize(t)).toEqual('/a(right:c/11/d)');
});
it('should support updating primary and secondary segments at once', () => {
const p = serializer.parse('/a(right:b)');
const t = createRoot(p, [{outlets: {primary: 'y/z', right: 'c/11/d'}}]);
expect(serializer.serialize(t)).toEqual('/y/z(right:c/11/d)');
});
it('should support removing primary segment', () => {
const p = serializer.parse('/a/(b//right:c)');
const t = createRoot(p, ['a', {outlets: {primary: null, right: 'd'}}]);
expect(serializer.serialize(t)).toEqual('/a/(right:d)');
});
it('should support removing secondary segments', () => {
const p = serializer.parse('/a(right:b)');
const t = createRoot(p, [{outlets: {right: null}}]);
expect(serializer.serialize(t)).toEqual('/a');
});
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it('should update matrix parameters', () => {
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const p = serializer.parse('/a;pp=11');
const t = createRoot(p, ['/a', {pp: 22, dd: 33}]);
expect(serializer.serialize(t)).toEqual('/a;pp=22;dd=33');
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});
it('should create matrix parameters', () => {
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const p = serializer.parse('/a');
const t = createRoot(p, ['/a', {pp: 22, dd: 33}]);
expect(serializer.serialize(t)).toEqual('/a;pp=22;dd=33');
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});
it('should create matrix parameters together with other segments', () => {
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const p = serializer.parse('/a');
const t = createRoot(p, ['/a', 'b', {aa: 22, bb: 33}]);
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expect(serializer.serialize(t)).toEqual('/a/b;aa=22;bb=33');
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});
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describe('relative navigation', () => {
it('should work', () => {
const p = serializer.parse('/a/(c//left:cp)(left:ap)');
const t = create(p.root.children[PRIMARY_OUTLET], 0, p, ['c2']);
expect(serializer.serialize(t)).toEqual('/a/(c2//left:cp)(left:ap)');
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});
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it('should work when the first command starts with a ./', () => {
const p = serializer.parse('/a/(c//left:cp)(left:ap)');
const t = create(p.root.children[PRIMARY_OUTLET], 0, p, ['./c2']);
expect(serializer.serialize(t)).toEqual('/a/(c2//left:cp)(left:ap)');
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});
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it('should work when the first command is ./)', () => {
const p = serializer.parse('/a/(c//left:cp)(left:ap)');
const t = create(p.root.children[PRIMARY_OUTLET], 0, p, ['./', 'c2']);
expect(serializer.serialize(t)).toEqual('/a/(c2//left:cp)(left:ap)');
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});
it('should support parameters-only navigation', () => {
const p = serializer.parse('/a');
const t = create(p.root.children[PRIMARY_OUTLET], 0, p, [{k: 99}]);
expect(serializer.serialize(t)).toEqual('/a;k=99');
});
it('should support parameters-only navigation (nested case)', () => {
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const p = serializer.parse('/a/(c//left:cp)(left:ap)');
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const t = create(p.root.children[PRIMARY_OUTLET], 0, p, [{'x': 99}]);
expect(serializer.serialize(t)).toEqual('/a;x=99(left:ap)');
});
it('should support parameters-only navigation (with a double dot)', () => {
const p = serializer.parse('/a/(c//left:cp)(left:ap)');
const t =
create(p.root.children[PRIMARY_OUTLET].children[PRIMARY_OUTLET], 0, p, ['../', {x: 5}]);
expect(serializer.serialize(t)).toEqual('/a;x=5(left:ap)');
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});
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it('should work when index > 0', () => {
const p = serializer.parse('/a/c');
const t = create(p.root.children[PRIMARY_OUTLET], 1, p, ['c2']);
expect(serializer.serialize(t)).toEqual('/a/c/c2');
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});
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it('should support going to a parent (within a segment)', () => {
const p = serializer.parse('/a/c');
const t = create(p.root.children[PRIMARY_OUTLET], 1, p, ['../c2']);
expect(serializer.serialize(t)).toEqual('/a/c2');
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});
it('should support going to a parent (across segments)', () => {
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const p = serializer.parse('/q/(a/(c//left:cp)//left:qp)(left:ap)');
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const t =
create(p.root.children[PRIMARY_OUTLET].children[PRIMARY_OUTLET], 0, p, ['../../q2']);
expect(serializer.serialize(t)).toEqual('/q2(left:ap)');
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});
it('should navigate to the root', () => {
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const p = serializer.parse('/a/c');
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const t = create(p.root.children[PRIMARY_OUTLET], 0, p, ['../']);
expect(serializer.serialize(t)).toEqual('/');
});
it('should work with ../ when absolute url', () => {
const p = serializer.parse('/a/c');
const t = create(p.root.children[PRIMARY_OUTLET], 1, p, ['../', 'c2']);
expect(serializer.serialize(t)).toEqual('/a/c2');
});
it('should work with position = -1', () => {
const p = serializer.parse('/');
const t = create(p.root, -1, p, ['11']);
expect(serializer.serialize(t)).toEqual('/11');
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});
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it('should throw when too many ..', () => {
const p = serializer.parse('/a/(c//left:cp)(left:ap)');
expect(() => create(p.root.children[PRIMARY_OUTLET], 0, p, ['../../']))
.toThrowError('Invalid number of \'../\'');
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});
it('should support updating secondary segments', () => {
const p = serializer.parse('/a/b');
const t = create(p.root.children[PRIMARY_OUTLET], 1, p, [{outlets: {right: ['c']}}]);
expect(serializer.serialize(t)).toEqual('/a/b/(right:c)');
});
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});
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it('should set query params', () => {
const p = serializer.parse('/');
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const t = createRoot(p, [], {a: 'hey'});
expect(t.queryParams).toEqual({a: 'hey'});
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});
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it('should stringify query params', () => {
const p = serializer.parse('/');
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const t = createRoot(p, [], <any>{a: 1});
expect(t.queryParams).toEqual({a: '1'});
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});
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it('should set fragment', () => {
const p = serializer.parse('/');
const t = createRoot(p, [], {}, 'fragment');
expect(t.fragment).toEqual('fragment');
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});
});
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function createRoot(tree: UrlTree, commands: any[], queryParams?: Params, fragment?: string) {
const s = new ActivatedRouteSnapshot(
[], <any>{}, <any>{}, '', <any>{}, PRIMARY_OUTLET, 'someComponent', null, tree.root, -1,
<any>null);
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const a = new ActivatedRoute(
new BehaviorSubject(null), new BehaviorSubject(null), new BehaviorSubject(null),
new BehaviorSubject(null), new BehaviorSubject(null), PRIMARY_OUTLET, 'someComponent', s);
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advanceActivatedRoute(a);
return createUrlTree(a, tree, commands, queryParams, fragment);
}
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function create(
segment: UrlSegmentGroup, startIndex: number, tree: UrlTree, commands: any[],
queryParams?: Params, fragment?: string) {
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if (!segment) {
expect(segment).toBeDefined();
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}
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const s = new ActivatedRouteSnapshot(
[], <any>{}, <any>{}, '', <any>{}, PRIMARY_OUTLET, 'someComponent', null, <any>segment,
startIndex, <any>null);
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const a = new ActivatedRoute(
new BehaviorSubject(null), new BehaviorSubject(null), new BehaviorSubject(null),
new BehaviorSubject(null), new BehaviorSubject(null), PRIMARY_OUTLET, 'someComponent', s);
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advanceActivatedRoute(a);
return createUrlTree(a, tree, commands, queryParams, fragment);
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}