69 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			69 lines
		
	
	
		
			2.3 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, Subject, of } from 'rxjs';
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| import {mapTo, multicast, tap} from 'rxjs/operators';
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| 
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| 
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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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| 
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|   beforeEach(() => { log = []; });
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| 
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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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| 
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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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| 
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|     observable1 = mapZone1.run(() => { return observable1.pipe(mapTo('test')); });
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| 
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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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| 
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|     multi.subscribe((val: any) => { log.push('one' + val); });
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| 
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|     multi.subscribe((val: any) => { log.push('two' + val); });
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| 
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|     multi.connect();
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| 
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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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| 
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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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