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

55 lines
1.7 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 {delayWhen, map, retryWhen} from 'rxjs/operators';
describe('Observable.retryWhen', () => {
let log: any[];
let observable1: Observable<any>;
let defaultTimeout = jasmine.DEFAULT_TIMEOUT_INTERVAL;
beforeEach(() => {
log = [];
jasmine.DEFAULT_TIMEOUT_INTERVAL = 10000;
});
afterEach(() => { jasmine.DEFAULT_TIMEOUT_INTERVAL = defaultTimeout; });
it('retryWhen func callback should run in the correct zone', (done: DoneFn) => {
const constructorZone1: Zone = Zone.current.fork({name: 'Constructor Zone'});
const subscriptionZone: Zone = Zone.current.fork({name: 'Subscription Zone'});
let isErrorHandled = false;
observable1 = constructorZone1.run(() => {
return of (1, 2, 3).pipe(
map(v => {
if (v > 2 && !isErrorHandled) {
isErrorHandled = true;
throw v;
}
return v;
}),
retryWhen(err => err.pipe(delayWhen(v => timer(v)))));
});
subscriptionZone.run(() => {
observable1.subscribe(
(result: any) => {
log.push(result);
expect(Zone.current.name).toEqual(subscriptionZone.name);
},
(err: any) => { fail('should not call error'); },
() => {
log.push('completed');
expect(Zone.current.name).toEqual(subscriptionZone.name);
expect(log).toEqual([1, 2, 1, 2, 3, 'completed']);
done();
});
});
});
});