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

53 lines
1.5 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 {of, range, zip} from 'rxjs';
describe('Observable.zip', () => {
let log: any[];
const constructorZone1: Zone = Zone.current.fork({name: 'Constructor Zone1'});
const subscriptionZone: Zone = Zone.current.fork({name: 'Subscription Zone'});
beforeEach(() => {
log = [];
});
it('zip func callback should run in the correct zone', () => {
const observable1: any = constructorZone1.run(() => {
return range(1, 3);
});
const observable2: any = constructorZone1.run(() => {
return of('foo', 'bar', 'beer');
});
const observable3: any = constructorZone1.run(() => {
return zip(observable1, observable2, function(n: number, str: string) {
expect(Zone.current.name).toEqual(constructorZone1.name);
return {n: n, str: str};
});
});
subscriptionZone.run(() => {
observable3.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);
});
});
expect(log).toEqual([{n: 1, str: 'foo'}, {n: 2, str: 'bar'}, {n: 3, str: 'beer'}, 'completed']);
});
});