angular-cn/modules/@angular/router/test/router_state.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
*/
import {ActivatedRoute, ActivatedRouteSnapshot, RouterState, RouterStateSnapshot} from '../src/router_state';
import {TreeNode} from '../src/utils/tree';
describe('RouterState & Snapshot', () => {
describe('RouterStateSnapshot', () => {
let state: RouterStateSnapshot;
let a: ActivatedRouteSnapshot;
let b: ActivatedRouteSnapshot;
let c: ActivatedRouteSnapshot;
beforeEach(() => {
a = createActivatedRouteSnapshot('a');
b = createActivatedRouteSnapshot('b');
c = createActivatedRouteSnapshot('c');
const root = new TreeNode(a, [new TreeNode(b, []), new TreeNode(c, [])]);
state = new RouterStateSnapshot('url', root, {}, '');
});
it('should return first child', () => { expect(state.root.firstChild).toBe(b); });
it('should return children', () => {
const cc = state.root.children;
expect(cc[0]).toBe(b);
expect(cc[1]).toBe(c);
});
it('should return root', () => {
const b = state.root.firstChild;
expect(b.parent).toBe(state.root);
});
it('should return path from root', () => {
const b = state.root.firstChild;
const p = b.pathFromRoot;
expect(p[0]).toBe(state.root);
expect(p[1]).toBe(b);
});
});
describe('RouterState', () => {
let state: RouterState;
let a: ActivatedRoute;
let b: ActivatedRoute;
let c: ActivatedRoute;
beforeEach(() => {
a = createActivatedRoute('a');
b = createActivatedRoute('b');
c = createActivatedRoute('c');
const root = new TreeNode(a, [new TreeNode(b, []), new TreeNode(c, [])]);
state = new RouterState(root, <any>null, <any>null, <any>null);
});
it('should return first child', () => { expect(state.root.firstChild).toBe(b); });
it('should return children', () => {
const cc = state.root.children;
expect(cc[0]).toBe(b);
expect(cc[1]).toBe(c);
});
it('should return root', () => {
const b = state.root.firstChild;
expect(b.parent).toBe(state.root);
});
it('should return path from root', () => {
const b = state.root.firstChild;
const p = b.pathFromRoot;
expect(p[0]).toBe(state.root);
expect(p[1]).toBe(b);
});
});
});
function createActivatedRouteSnapshot(cmp: string) {
return new ActivatedRouteSnapshot(
<any>null, <any>null, <any>null, <any>null, <any>cmp, <any>null, <any>null, -1, null);
}
function createActivatedRoute(cmp: string) {
return new ActivatedRoute(<any>null, <any>null, <any>null, <any>null, <any>cmp, <any>null);
}