angular-cn/packages/zone.js/test/rxjs/rxjs.interval.spec.ts

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1.3 KiB
TypeScript

/**
* @license
* Copyright Google LLC 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 {interval, Observable} from 'rxjs';
import {asyncTest} from '../test-util';
describe('Observable.interval', () => {
let log: any[];
let observable1: Observable<any>;
beforeEach(() => {
log = [];
});
it('interval 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 interval(10);
});
subscriptionZone.run(() => {
const subscriber = observable1.subscribe(
(result: any) => {
log.push(result);
expect(Zone.current.name).toEqual(subscriptionZone.name);
if (result >= 3) {
subscriber.unsubscribe();
expect(log).toEqual([0, 1, 2, 3]);
done();
}
},
() => {
fail('should not call error');
},
() => {});
});
}, Zone.root));
});