84 lines
2.7 KiB
TypeScript
84 lines
2.7 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import {Observable, of } from 'rxjs';
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import {catchError, map, retry} from 'rxjs/operators';
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describe('Observable.catch', () => {
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let log: any[];
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let observable1: Observable<any>;
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beforeEach(() => { log = []; });
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it('catch func callback should run in the correct zone', () => {
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const constructorZone1: Zone = Zone.current.fork({name: 'Constructor Zone1'});
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const subscriptionZone: Zone = Zone.current.fork({name: 'Subscription Zone'});
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observable1 = constructorZone1.run(() => {
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const error = new Error('test');
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const source = of (1, 2, 3).pipe(map((n: number) => {
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expect(Zone.current.name).toEqual(constructorZone1.name);
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if (n === 2) {
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throw error;
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}
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return n;
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}));
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return source.pipe(catchError((err: any) => {
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expect(Zone.current.name).toEqual(constructorZone1.name);
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return of ('error1', 'error2');
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}));
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});
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subscriptionZone.run(() => {
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const subscriber = observable1.subscribe(
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(result: any) => {
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expect(Zone.current.name).toEqual(subscriptionZone.name);
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log.push(result);
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},
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() => { fail('should not call error'); },
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() => {
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log.push('completed');
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expect(Zone.current.name).toEqual(subscriptionZone.name);
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});
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});
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expect(log).toEqual([1, 'error1', 'error2', 'completed']);
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});
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it('retry func callback should run in the correct zone', () => {
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const constructorZone1: Zone = Zone.current.fork({name: 'Constructor Zone1'});
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const subscriptionZone: Zone = Zone.current.fork({name: 'Subscription Zone'});
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const error = new Error('test');
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observable1 = constructorZone1.run(() => {
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return of (1, 2, 3).pipe(
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map((n: number) => {
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expect(Zone.current.name).toEqual(constructorZone1.name);
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if (n === 2) {
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throw error;
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}
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return n;
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}),
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retry(1));
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});
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subscriptionZone.run(() => {
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const subscriber = observable1.subscribe(
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(result: any) => {
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expect(Zone.current.name).toEqual(subscriptionZone.name);
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log.push(result);
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},
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(error: any) => {
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expect(Zone.current.name).toEqual(subscriptionZone.name);
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log.push(error);
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},
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() => {
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log.push('completed');
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expect(Zone.current.name).toEqual(subscriptionZone.name);
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});
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});
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expect(log).toEqual([1, 1, error]);
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});
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});
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