angular-cn/packages/zone.js/test/rxjs/rxjs.Observable.notificatio...

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TypeScript

/**
* @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]);
});
});
});
}));