69 lines
2.3 KiB
TypeScript
69 lines
2.3 KiB
TypeScript
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/**
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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, Subject, of } from 'rxjs';
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import {mapTo, multicast, tap} from 'rxjs/operators';
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// TODO: @JiaLiPassion, Observable.prototype.multicast return a readonly _subscribe
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// should find another way to patch subscribe
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describe('Observable.multicast', () => {
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let log: any[];
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const constructorZone1: Zone = Zone.current.fork({name: 'Constructor Zone1'});
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const doZone1: Zone = Zone.current.fork({name: 'Do Zone1'});
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const mapZone1: Zone = Zone.current.fork({name: 'Map Zone1'});
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const multicastZone1: Zone = Zone.current.fork({name: 'Multicast Zone1'});
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const subscriptionZone: Zone = Zone.current.fork({name: 'Subscription Zone'});
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let observable1: Observable<any>;
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beforeEach(() => { log = []; });
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it('multicast func callback should run in the correct zone', () => {
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observable1 = constructorZone1.run(() => { return of (1, 2, 3); });
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observable1 = doZone1.run(() => {
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return observable1.pipe(tap((v: any) => {
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expect(Zone.current.name).toEqual(doZone1.name);
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log.push('do' + v);
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}));
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});
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observable1 = mapZone1.run(() => { return observable1.pipe(mapTo('test')); });
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const multi: any = multicastZone1.run(() => {
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return observable1.pipe(multicast(() => {
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expect(Zone.current.name).toEqual(multicastZone1.name);
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return new Subject();
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}));
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});
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multi.subscribe((val: any) => { log.push('one' + val); });
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multi.subscribe((val: any) => { log.push('two' + val); });
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multi.connect();
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subscriptionZone.run(() => {
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observable1.subscribe(
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(result: any) => {
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expect(Zone.current.name).toEqual(subscriptionZone.name);
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log.push(result);
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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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});
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});
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expect(log).toEqual([
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'do1', 'onetest', 'twotest', 'do2', 'onetest', 'twotest', 'do3', 'onetest', 'twotest', 'do1',
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'test', 'do2', 'test', 'do3', 'test', 'completed'
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]);
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});
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});
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