45 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			45 lines
		
	
	
		
			1.3 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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| 
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| import {Observable, defer} from 'rxjs';
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| 
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| describe('Observable.defer', () => {
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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 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('defer func callback should run in the correct zone', () => {
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|     observable1 = constructorZone1.run(() => {
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|       return defer(() => {
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|         return new Observable<number>(subscribe => {
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|           log.push('setup');
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|           expect(Zone.current.name).toEqual(constructorZone1.name);
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|           subscribe.next(1);
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|           subscribe.complete();
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|           return () => {
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|             expect(Zone.current.name).toEqual(constructorZone1.name);
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|             log.push('cleanup');
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|           };
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|         });
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|       });
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|     });
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| 
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|     subscriptionZone.run(() => {
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|       observable1.subscribe((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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|     });
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| 
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|     expect(log).toEqual(['setup', 1, 'cleanup']);
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|   });
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| });
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