96 lines
3.2 KiB
TypeScript
96 lines
3.2 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, 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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