41 lines
1.4 KiB
TypeScript
41 lines
1.4 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 {Observable, of } from 'rxjs';
|
|
import {defaultIfEmpty} from 'rxjs/operators';
|
|
|
|
import {asyncTest} from '../test-util';
|
|
|
|
describe('Observable.defaultIfEmpty', () => {
|
|
let log: any[];
|
|
let observable1: Observable<any>;
|
|
|
|
beforeEach(() => { log = []; });
|
|
|
|
it('defaultIfEmpty func callback should run in the correct zone', asyncTest((done: any) => {
|
|
const constructorZone1: Zone = Zone.current.fork({name: 'Constructor Zone1'});
|
|
const subscriptionZone: Zone = Zone.current.fork({name: 'Subscription Zone'});
|
|
observable1 =
|
|
constructorZone1.run(() => { return of ().pipe(defaultIfEmpty('empty' as any)); });
|
|
|
|
subscriptionZone.run(() => {
|
|
observable1.subscribe(
|
|
(result: any) => {
|
|
log.push(result);
|
|
expect(Zone.current.name).toEqual(subscriptionZone.name);
|
|
},
|
|
() => { fail('should not call error'); },
|
|
() => {
|
|
log.push('completed');
|
|
expect(Zone.current.name).toEqual(subscriptionZone.name);
|
|
expect(log).toEqual(['empty', 'completed']);
|
|
done();
|
|
});
|
|
});
|
|
}, Zone.root));
|
|
});
|