141 lines
4.8 KiB
TypeScript
141 lines
4.8 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 {combineLatest, Observable, of} from 'rxjs';
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import {combineAll, map} from 'rxjs/operators';
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import {asyncTest} from '../test-util';
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describe('Observable.combine', () => {
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let log: any[];
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let observable1: Observable<any>;
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beforeEach(() => {
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log = [];
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});
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it('combineAll 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 = constructorZone1.run(() => {
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const source = of(1, 2);
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const highOrder = source.pipe(map((src: any) => {
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expect(Zone.current.name).toEqual(constructorZone1.name);
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return of(src);
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}));
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return highOrder.pipe(combineAll());
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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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() => {
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fail('should not call 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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expect(log).toEqual([[1, 2], '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('combineAll func callback should run in the correct zone with project function',
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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 = constructorZone1.run(() => {
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const source = of(1, 2, 3);
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const highOrder = source.pipe(map((src: any) => {
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expect(Zone.current.name).toEqual(constructorZone1.name);
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return of(src);
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}));
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return highOrder.pipe(combineAll((x: any, y: any) => {
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expect(Zone.current.name).toEqual(constructorZone1.name);
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return {x: x, y: y};
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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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() => {
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fail('should not call 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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expect(log).toEqual([{x: 1, y: 2}, '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('combineLatest 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 source = of(1, 2, 3);
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const input = of(4, 5, 6);
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return combineLatest(source, input);
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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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() => {
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fail('should not call 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([[3, 4], [3, 5], [3, 6], 'completed']);
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});
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it('combineLatest func callback should run in the correct zone with project function', () => {
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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 source = of(1, 2, 3);
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const input = of(4, 5, 6);
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return combineLatest(source, input, (x: number, y: number) => {
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return x + y;
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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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() => {
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fail('should not call 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([7, 8, 9, 'completed']);
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});
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});
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