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

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/**
* @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 {forkJoin, from, Observable, range} from 'rxjs';
describe('Observable.forkjoin', () => {
let log: any[];
const constructorZone1: Zone = Zone.current.fork({name: 'Constructor Zone1'});
const subscriptionZone: Zone = Zone.current.fork({name: 'Subscription Zone'});
let observable1: Observable<any>;
beforeEach(() => {
log = [];
});
it('forkjoin func callback should run in the correct zone', () => {
observable1 = constructorZone1.run(() => {
return forkJoin(range(1, 2), from([4, 5]));
});
subscriptionZone.run(() => {
observable1.subscribe(
(result: any) => {
expect(Zone.current.name).toEqual(subscriptionZone.name);
log.push(result);
},
() => {
fail('should not call error');
},
() => {
expect(Zone.current.name).toEqual(subscriptionZone.name);
log.push('completed');
});
});
expect(log).toEqual([[2, 5], 'completed']);
});
it('forkjoin func callback with selector should run in the correct zone', () => {
observable1 = constructorZone1.run(() => {
return forkJoin(range(1, 2), from([4, 5]), (x: number, y: number) => {
expect(Zone.current.name).toEqual(constructorZone1.name);
return x + y;
});
});
subscriptionZone.run(() => {
observable1.subscribe(
(result: any) => {
expect(Zone.current.name).toEqual(subscriptionZone.name);
log.push(result);
},
() => {
fail('should not call error');
},
() => {
expect(Zone.current.name).toEqual(subscriptionZone.name);
log.push('completed');
});
});
expect(log).toEqual([7, 'completed']);
});
});