82 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
		
		
			
		
	
	
			82 lines
		
	
	
		
			2.7 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, from} from 'rxjs';
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								import {asyncTest} from '../test-util';
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								describe('Observable.from', () => {
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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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								  beforeEach(() => { log = []; });
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								  it('from array should run in the correct zone', () => {
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								    observable1 = constructorZone1.run(() => { return from([1, 2]); });
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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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								            expect(Zone.current.name).toEqual(subscriptionZone.name);
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								            log.push('completed');
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								          });
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								    });
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								    expect(log).toEqual([1, 2, 'completed']);
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								  });
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								  it('from array like object should run in the correct zone', () => {
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								    observable1 = constructorZone1.run(() => { return from('foo'); });
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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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								            expect(Zone.current.name).toEqual(subscriptionZone.name);
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								            log.push('completed');
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								          });
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								    });
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								    expect(log).toEqual(['f', 'o', 'o', 'completed']);
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								  });
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								  it('from promise object 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 subscriptionZone: Zone = Zone.current.fork({name: 'Subscription Zone'});
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								       observable1 = constructorZone1.run(
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								           () => { return from(new Promise((resolve, reject) => { resolve(1); })); });
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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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								             (error: any) => { fail('should not call error' + error); },
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								             () => {
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								               expect(Zone.current.name).toEqual(subscriptionZone.name);
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								               log.push('completed');
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								               expect(log).toEqual([1, 'completed']);
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								               done();
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								             });
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								       });
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								       expect(log).toEqual([]);
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								     }, Zone.root));
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								});
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