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

127 lines
4.5 KiB
TypeScript

/**
* @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 {Location} from '@angular/common';
import {TestBed} from '@angular/core/testing';
import {Router} from '@angular/router';
import {setUpLocationSync} from '@angular/router/upgrade';
import {UpgradeModule} from '@angular/upgrade/static';
describe('setUpLocationSync', () => {
let upgradeModule: UpgradeModule;
let RouterMock: any;
let LocationMock: any;
beforeEach(() => {
RouterMock = jasmine.createSpyObj('Router', ['navigateByUrl']);
LocationMock = jasmine.createSpyObj('Location', ['normalize']);
TestBed.configureTestingModule({
providers: [
UpgradeModule, {provide: Router, useValue: RouterMock},
{provide: Location, useValue: LocationMock}
],
});
upgradeModule = TestBed.get(UpgradeModule);
upgradeModule.$injector = {
get: jasmine.createSpy('$injector.get').and.returnValue({'$on': () => undefined})
};
});
it('should throw an error if the UpgradeModule.bootstrap has not been called', () => {
upgradeModule.$injector = null;
expect(() => setUpLocationSync(upgradeModule)).toThrowError(`
RouterUpgradeInitializer can be used only after UpgradeModule.bootstrap has been called.
Remove RouterUpgradeInitializer and call setUpLocationSync after UpgradeModule.bootstrap.
`);
});
it('should get the $rootScope from AngularJS and set an $on watch on $locationChangeStart',
() => {
const $rootScope = jasmine.createSpyObj('$rootScope', ['$on']);
upgradeModule.$injector.get.and.callFake(
(name: string) => (name === '$rootScope') && $rootScope);
setUpLocationSync(upgradeModule);
expect($rootScope.$on).toHaveBeenCalledTimes(1);
expect($rootScope.$on).toHaveBeenCalledWith('$locationChangeStart', jasmine.any(Function));
});
it('should navigate by url every time $locationChangeStart is broadcasted', () => {
const url = 'https://google.com';
const pathname = '/custom/route';
const normalizedPathname = 'foo';
const query = '?query=1&query2=3';
const hash = '#new/hash';
const $rootScope = jasmine.createSpyObj('$rootScope', ['$on']);
upgradeModule.$injector.get.and.returnValue($rootScope);
LocationMock.normalize.and.returnValue(normalizedPathname);
setUpLocationSync(upgradeModule);
const callback = $rootScope.$on.calls.argsFor(0)[1];
callback({}, url + pathname + query + hash, '');
expect(LocationMock.normalize).toHaveBeenCalledTimes(1);
expect(LocationMock.normalize).toHaveBeenCalledWith(pathname);
expect(RouterMock.navigateByUrl).toHaveBeenCalledTimes(1);
expect(RouterMock.navigateByUrl).toHaveBeenCalledWith(normalizedPathname + query + hash);
});
it('should allow configuration to work with hash-based routing', () => {
const url = 'https://google.com';
const pathname = '/custom/route';
const normalizedPathname = 'foo';
const query = '?query=1&query2=3';
const hash = '#new/hash';
const combinedUrl = url + '#' + pathname + query + hash;
const $rootScope = jasmine.createSpyObj('$rootScope', ['$on']);
upgradeModule.$injector.get.and.returnValue($rootScope);
LocationMock.normalize.and.returnValue(normalizedPathname);
setUpLocationSync(upgradeModule, 'hash');
const callback = $rootScope.$on.calls.argsFor(0)[1];
callback({}, combinedUrl, '');
expect(LocationMock.normalize).toHaveBeenCalledTimes(1);
expect(LocationMock.normalize).toHaveBeenCalledWith(pathname);
expect(RouterMock.navigateByUrl).toHaveBeenCalledTimes(1);
expect(RouterMock.navigateByUrl).toHaveBeenCalledWith(normalizedPathname + query + hash);
});
it('should work correctly on browsers that do not start pathname with `/`', () => {
const anchorProto = HTMLAnchorElement.prototype;
const originalDescriptor = Object.getOwnPropertyDescriptor(anchorProto, 'pathname');
Object.defineProperty(anchorProto, 'pathname', {get: () => 'foo/bar'});
try {
const $rootScope = jasmine.createSpyObj('$rootScope', ['$on']);
upgradeModule.$injector.get.and.returnValue($rootScope);
setUpLocationSync(upgradeModule);
const callback = $rootScope.$on.calls.argsFor(0)[1];
callback({}, '', '');
expect(LocationMock.normalize).toHaveBeenCalledWith('/foo/bar');
} finally {
Object.defineProperty(anchorProto, 'pathname', originalDescriptor !);
}
});
});