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

210 lines
8.0 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, interval, merge, of , range} from 'rxjs';
import {expand, map, mergeAll, mergeMap, mergeMapTo, switchAll, switchMap, switchMapTo, take} from 'rxjs/operators';
import {asyncTest, ifEnvSupports} from '../test-util';
import {supportFeature} from './rxjs.util';
describe('Observable.merge', () => {
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('expand func callback should run in the correct zone', () => {
const constructorZone1: Zone = Zone.current.fork({name: 'Constructor Zone1'});
const expandZone1: Zone = Zone.current.fork({name: 'Expand Zone1'});
const subscriptionZone: Zone = Zone.current.fork({name: 'Subscription Zone'});
const error = new Error('test');
observable1 = constructorZone1.run(() => { return of (2); });
observable1 = expandZone1.run(() => {
return observable1.pipe(
expand((val: any) => {
expect(Zone.current.name).toEqual(expandZone1.name);
return of (1 + val);
}),
take(2));
});
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([2, 3, 'completed']);
});
it('merge func callback should run in the correct zone', asyncTest((done: any) => {
const constructorZone1: Zone = Zone.current.fork({name: 'Constructor Zone1'});
const subscriptionZone: Zone = Zone.current.fork({name: 'Subscription Zone'});
const error = new Error('test');
observable1 = constructorZone1.run(
() => { return merge(interval(10).pipe(take(2)), interval(15).pipe(take(1))); });
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([0, 0, 1, 'completed']);
done();
});
});
}, Zone.root));
it('mergeAll func callback should run in the correct zone', asyncTest((done: any) => {
const constructorZone1: Zone = Zone.current.fork({name: 'Constructor Zone1'});
const subscriptionZone: Zone = Zone.current.fork({name: 'Subscription Zone'});
const error = new Error('test');
observable1 = constructorZone1.run(
() => { return of (1, 2).pipe(map((v: any) => { return of (v + 1); }), mergeAll()); });
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([2, 3, 'completed']);
done();
});
});
}, Zone.root));
it('mergeMap func callback should run in the correct zone', () => {
const constructorZone1: Zone = Zone.current.fork({name: 'Constructor Zone1'});
const subscriptionZone: Zone = Zone.current.fork({name: 'Subscription Zone'});
const error = new Error('test');
observable1 = constructorZone1.run(
() => { return of (1, 2).pipe(mergeMap((v: any) => { return of (v + 1); })); });
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([2, 3, 'completed']);
});
});
});
it('mergeMapTo func callback should run in the correct zone', () => {
const constructorZone1: Zone = Zone.current.fork({name: 'Constructor Zone1'});
const subscriptionZone: Zone = Zone.current.fork({name: 'Subscription Zone'});
const error = new Error('test');
observable1 = constructorZone1.run(() => { return of (1, 2).pipe(mergeMapTo(of (10))); });
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([10, 10, 'completed']);
});
});
});
it('switch func callback should run in the correct zone', () => {
const constructorZone1: Zone = Zone.current.fork({name: 'Constructor Zone1'});
const subscriptionZone: Zone = Zone.current.fork({name: 'Subscription Zone'});
observable1 = constructorZone1.run(() => {
return range(0, 3).pipe(map(function(x: any) { return range(x, 3); }), switchAll());
});
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([0, 1, 2, 1, 2, 3, 2, 3, 4, 'completed']);
});
});
});
it('switchMap func callback should run in the correct zone', () => {
const constructorZone1: Zone = Zone.current.fork({name: 'Constructor Zone1'});
const subscriptionZone: Zone = Zone.current.fork({name: 'Subscription Zone'});
observable1 = constructorZone1.run(
() => { return range(0, 3).pipe(switchMap(function(x: any) { return range(x, 3); })); });
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([0, 1, 2, 1, 2, 3, 2, 3, 4, 'completed']);
});
});
});
it('switchMapTo func callback should run in the correct zone', () => {
const constructorZone1: Zone = Zone.current.fork({name: 'Constructor Zone1'});
const subscriptionZone: Zone = Zone.current.fork({name: 'Subscription Zone'});
observable1 = constructorZone1.run(() => { return range(0, 3).pipe(switchMapTo('a')); });
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(['a', 'a', 'a', 'completed']);
});
});
});
});