angular-cn/packages/zone.js/test/rxjs/rxjs.Observable.notification.spec.ts

/**
 * @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 {Notification, Observable, of} from 'rxjs';
import {dematerialize} from 'rxjs/operators';

import {asyncTest, ifEnvSupports} from '../test-util';

const supportNotification = function() {
  return typeof Notification !== 'undefined';
};

(supportNotification as any).message = 'RxNotification';

describe('Observable.notification', ifEnvSupports(supportNotification, () => {
           let log: any[];
           let observable1: Observable<any>;

           beforeEach(() => {
             log = [];
           });

           it('notification func callback should run in the correct zone', () => {
             const constructorZone1: Zone = Zone.current.fork({name: 'Constructor Zone1'});
             const subscriptionZone: Zone = Zone.current.fork({name: 'Subscription Zone'});
             const error = new Error('test');
             observable1 = constructorZone1.run(() => {
               const notifA = new Notification('N' as any, 'A');
               const notifB = new Notification('N' as any, 'B');
               const notifE = new Notification('E' as any, void 0, error);
               const materialized = of(notifA, notifB, notifE as any);
               return materialized.pipe(dematerialize());
             });

             subscriptionZone.run(() => {
               observable1.subscribe(
                   (result: any) => {
                     log.push(result);
                     expect(Zone.current.name).toEqual(subscriptionZone.name);
                   },
                   (err: any) => {
                     log.push(err);
                     expect(Zone.current.name).toEqual(subscriptionZone.name);
                   },
                   () => {
                     log.push('completed');
                     expect(Zone.current.name).toEqual(subscriptionZone.name);
                     expect(log).toEqual(['A', 'B', error]);
                   });
             });
           });
         }));