116 lines
4.3 KiB
TypeScript
116 lines
4.3 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, interval, of } from 'rxjs';
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import {take, takeLast, takeUntil, takeWhile} from 'rxjs/operators';
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import {asyncTest} from '../test-util';
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describe('Observable.take', () => {
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let log: any[];
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let observable1: Observable<any>;
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let defaultTimeout = jasmine.DEFAULT_TIMEOUT_INTERVAL;
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beforeEach(() => {
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log = [];
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jasmine.DEFAULT_TIMEOUT_INTERVAL = 10000;
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});
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afterEach(() => { jasmine.DEFAULT_TIMEOUT_INTERVAL = defaultTimeout; });
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it('take 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(() => { return of (1, 2, 3).pipe(take(1)); });
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subscriptionZone.run(() => {
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observable1.subscribe(
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(result: any) => {
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log.push(result);
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expect(Zone.current.name).toEqual(subscriptionZone.name);
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},
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(err: any) => { 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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expect(log).toEqual([1, 'completed']);
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});
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});
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});
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it('takeLast 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(() => { return of (1, 2, 3).pipe(takeLast(1)); });
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subscriptionZone.run(() => {
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observable1.subscribe(
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(result: any) => {
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log.push(result);
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expect(Zone.current.name).toEqual(subscriptionZone.name);
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},
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(err: any) => { 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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expect(log).toEqual([3, 'completed']);
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});
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});
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});
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xit('takeUntil func callback should run in the correct zone', asyncTest((done: any) => {
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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 =
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constructorZone1.run(() => { return interval(10).pipe(takeUntil(interval(25))); });
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subscriptionZone.run(() => {
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observable1.subscribe(
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(result: any) => {
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log.push(result);
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expect(Zone.current.name).toEqual(subscriptionZone.name);
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},
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(err: any) => { 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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expect(log).toEqual([0, 1, 'completed']);
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done();
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});
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});
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}, Zone.root));
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it('takeWhile func callback should run in the correct zone', asyncTest((done: any) => {
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const constructorZone1: Zone = Zone.current.fork({name: 'Constructor Zone1'});
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const takeZone1: Zone = Zone.current.fork({name: 'Take Zone1'});
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const subscriptionZone: Zone = Zone.current.fork({name: 'Subscription Zone'});
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observable1 = constructorZone1.run(() => { return interval(10); });
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observable1 = takeZone1.run(() => {
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return observable1.pipe(takeWhile((val: any) => {
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expect(Zone.current.name).toEqual(takeZone1.name);
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return val < 2;
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}));
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});
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subscriptionZone.run(() => {
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observable1.subscribe(
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(result: any) => {
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log.push(result);
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expect(Zone.current.name).toEqual(subscriptionZone.name);
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},
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(err: any) => { 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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expect(log).toEqual([0, 1, 'completed']);
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done();
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});
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});
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}, Zone.root));
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});
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