96 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
		
		
			
		
	
	
			96 lines
		
	
	
		
			3.2 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, fromEvent, fromEventPattern} from 'rxjs';
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								import {isBrowser} from '../../lib/common/utils';
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								import {ifEnvSupports} from '../test-util';
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								function isEventTarget() {
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								  return isBrowser;
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								}
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								(isEventTarget as any).message = 'EventTargetTest';
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								describe('Observable.fromEvent', () => {
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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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								  const triggerZone: Zone = Zone.current.fork({name: 'Trigger Zone'});
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								  let observable1: Observable<any>;
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								  beforeEach(() => { log = []; });
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								  it('fromEvent EventTarget func callback should run in the correct zone',
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								     ifEnvSupports(isEventTarget, () => {
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								       observable1 = constructorZone1.run(() => { return fromEvent(document, 'click'); });
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								       const clickEvent = document.createEvent('Event');
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								       clickEvent.initEvent('click', true, true);
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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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								       triggerZone.run(() => { document.dispatchEvent(clickEvent); });
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								       expect(log).toEqual([clickEvent]);
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								     }));
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								  it('fromEventPattern EventTarget func callback should run in the correct zone',
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								     ifEnvSupports(isEventTarget, () => {
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								       const button = document.createElement('button');
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								       document.body.appendChild(button);
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								       observable1 = constructorZone1.run(() => {
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								         return fromEventPattern(
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								             (handler: any) => {
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								               expect(Zone.current.name).toEqual(constructorZone1.name);
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								               button.addEventListener('click', handler);
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								               log.push('addListener');
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								             },
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								             (handler: any) => {
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								               expect(Zone.current.name).toEqual(constructorZone1.name);
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								               button.removeEventListener('click', handler);
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								               document.body.removeChild(button);
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								               log.push('removeListener');
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								             });
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								       });
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								       const clickEvent = document.createEvent('Event');
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								       clickEvent.initEvent('click', false, false);
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								       const subscriper: any = subscriptionZone.run(() => {
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								         return 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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								       triggerZone.run(() => {
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								         button.dispatchEvent(clickEvent);
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								         subscriper.complete();
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								       });
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								       expect(log).toEqual(['addListener', clickEvent, 'completed', 'removeListener']);
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								     }));
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								});
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