48 lines
1.8 KiB
TypeScript
48 lines
1.8 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import {Observable, interval, merge} from 'rxjs';
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import {map, take} from 'rxjs/operators';
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import {asyncTest} from '../test-util';
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describe('Observable.merge', () => {
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let log: any[];
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beforeEach(() => { log = []; });
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it('merge func callback should run in the correct zone', asyncTest((done: any) => {
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const constructorZone1: Zone = Zone.current.fork({name: 'Constructor Zone1'});
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const constructorZone2: Zone = Zone.current.fork({name: 'Constructor Zone2'});
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const constructorZone3: Zone = Zone.current.fork({name: 'Constructor Zone3'});
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const subscriptionZone: Zone = Zone.current.fork({name: 'Subscription Zone'});
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const observable1: any = constructorZone1.run(
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() => { return interval(8).pipe(map(v => 'observable1' + v), take(1)); });
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const observable2: any = constructorZone2.run(
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() => { return interval(10).pipe(map(v => 'observable2' + v), take(1)); });
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const observable3: any =
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constructorZone3.run(() => { return merge(observable1, observable2); });
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subscriptionZone.run(() => {
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const subscriber = observable3.subscribe(
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(result: any) => {
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log.push(result);
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expect(Zone.current.name).toEqual(subscriptionZone.name);
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},
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() => { fail('should not call error'); },
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() => {
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log.push('completed');
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expect(Zone.current.name).toEqual(subscriptionZone.name);
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expect(log).toEqual(['observable10', 'observable20', 'completed']);
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done();
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});
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});
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}, Zone.root));
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});
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