angular-docs-cn/packages/zone.js/test/rxjs/rxjs.Observable.debounce.sp...

66 lines
2.4 KiB
TypeScript

/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import {Observable, of , timer} from 'rxjs';
import {debounce, debounceTime} from 'rxjs/operators';
import {asyncTest} from '../test-util';
describe('Observable.debounce', () => {
let log: any[];
let observable1: Observable<any>;
beforeEach(() => { log = []; });
it('debounce func callback should run in the correct zone', asyncTest((done: any) => {
const constructorZone1: Zone = Zone.current.fork({name: 'Constructor Zone1'});
const subscriptionZone: Zone = Zone.current.fork({name: 'Subscription Zone'});
observable1 = constructorZone1.run(() => {
return of (1, 2, 3).pipe(debounce(() => {
expect(Zone.current.name).toEqual(constructorZone1.name);
return timer(100);
}));
});
subscriptionZone.run(() => {
const subscriber = observable1.subscribe(
(result: any) => {
log.push(result);
expect(Zone.current.name).toEqual(subscriptionZone.name);
},
() => { fail('should not call error'); },
() => {
log.push('completed');
expect(Zone.current.name).toEqual(subscriptionZone.name);
done();
});
});
expect(log).toEqual([3, 'completed']);
}, Zone.root));
it('debounceTime func callback should run in the correct zone', asyncTest((done: any) => {
const constructorZone1: Zone = Zone.current.fork({name: 'Constructor Zone1'});
const subscriptionZone: Zone = Zone.current.fork({name: 'Subscription Zone'});
observable1 = constructorZone1.run(() => { return of (1, 2, 3).pipe(debounceTime(100)); });
subscriptionZone.run(() => {
const subscriber = observable1.subscribe(
(result: any) => {
log.push(result);
expect(Zone.current.name).toEqual(subscriptionZone.name);
},
() => { fail('should not call error'); },
() => {
log.push('completed');
expect(Zone.current.name).toEqual(subscriptionZone.name);
done();
});
});
expect(log).toEqual([3, 'completed']);
}, Zone.root));
});