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

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/**
* @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, asapScheduler, concat, of , range} from 'rxjs';
import {concatAll, concatMap, concatMapTo, map} from 'rxjs/operators';
import {asyncTest} from '../test-util';
describe('Observable instance method concat', () => {
let log: any[];
const constructorZone1: Zone = Zone.current.fork({name: 'Constructor Zone1'});
const constructorZone2: Zone = Zone.current.fork({name: 'Constructor Zone2'});
const constructorZone3: Zone = Zone.current.fork({name: 'Constructor Zone3'});
const subscriptionZone: Zone = Zone.current.fork({name: 'Subscription Zone'});
let observable1: Observable<any>;
let observable2: any;
let concatObservable: any;
beforeEach(() => { log = []; });
it('concat func callback should run in the correct zone', () => {
observable1 = constructorZone1.run(() => {
return new Observable(subscriber => {
expect(Zone.current.name).toEqual(constructorZone1.name);
subscriber.next(1);
subscriber.next(2);
subscriber.complete();
});
});
observable2 = constructorZone2.run(() => { return range(3, 4); });
constructorZone3.run(() => { concatObservable = concat(observable1, observable2); });
subscriptionZone.run(() => {
concatObservable.subscribe((concat: any) => {
expect(Zone.current.name).toEqual(subscriptionZone.name);
log.push(concat);
});
});
expect(log).toEqual([1, 2, 3, 4, 5, 6]);
});
xit('concat func callback should run in the correct zone with scheduler',
asyncTest((done: any) => {
const constructorZone1: Zone = Zone.current.fork({name: 'Constructor Zone1'});
const constructorZone2: Zone = Zone.current.fork({name: 'Constructor Zone2'});
const constructorZone3: Zone = Zone.current.fork({name: 'Constructor Zone3'});
const subscriptionZone: Zone = Zone.current.fork({name: 'Subscription Zone'});
observable1 = constructorZone1.run(() => { return of (1, 2); });
observable2 = constructorZone2.run(() => { return range(3, 4); });
constructorZone3.run(
() => { concatObservable = concat(observable1, observable2, asapScheduler); });
subscriptionZone.run(() => {
concatObservable.subscribe(
(concat: any) => {
expect(Zone.current.name).toEqual(subscriptionZone.name);
log.push(concat);
},
(error: any) => { fail('subscribe failed' + error); },
() => {
expect(Zone.current.name).toEqual(subscriptionZone.name);
expect(log).toEqual([1, 2, 3, 4, 5, 6]);
done();
});
});
expect(log).toEqual([]);
}, Zone.root));
it('concatAll func callback should run in the correct zone', asyncTest((done: any) => {
const constructorZone1: Zone = Zone.current.fork({name: 'Constructor Zone1'});
const constructorZone2: Zone = Zone.current.fork({name: 'Constructor Zone2'});
const subscriptionZone: Zone = Zone.current.fork({name: 'Subscription Zone'});
observable1 = constructorZone1.run(() => { return of (0, 1, 2); });
constructorZone2.run(() => {
const highOrder = observable1.pipe(map((v: any) => {
expect(Zone.current.name).toEqual(constructorZone2.name);
return of (v + 1);
}));
concatObservable = highOrder.pipe(concatAll());
});
subscriptionZone.run(() => {
concatObservable.subscribe(
(concat: any) => {
expect(Zone.current.name).toEqual(subscriptionZone.name);
log.push(concat);
},
(error: any) => { fail('subscribe failed' + error); },
() => {
expect(Zone.current.name).toEqual(subscriptionZone.name);
expect(log).toEqual([1, 2, 3]);
done();
});
});
}, Zone.root));
it('concatMap func callback should run in the correct zone', asyncTest((done: any) => {
const constructorZone1: Zone = Zone.current.fork({name: 'Constructor Zone1'});
const constructorZone2: Zone = Zone.current.fork({name: 'Constructor Zone2'});
const subscriptionZone: Zone = Zone.current.fork({name: 'Subscription Zone'});
observable1 = constructorZone1.run(() => {
return new Observable(subscriber => {
expect(Zone.current.name).toEqual(constructorZone1.name);
subscriber.next(1);
subscriber.next(2);
subscriber.next(3);
subscriber.next(4);
subscriber.complete();
});
});
constructorZone2.run(() => {
concatObservable = observable1.pipe(concatMap((v: any) => {
expect(Zone.current.name).toEqual(constructorZone2.name);
return of (0, 1);
}));
});
subscriptionZone.run(() => {
concatObservable.subscribe(
(concat: any) => {
expect(Zone.current.name).toEqual(subscriptionZone.name);
log.push(concat);
},
(error: any) => { fail('subscribe failed' + error); },
() => {
expect(Zone.current.name).toEqual(subscriptionZone.name);
expect(log).toEqual([0, 1, 0, 1, 0, 1, 0, 1]);
done();
});
});
}, Zone.root));
it('concatMapTo func callback should run in the correct zone', asyncTest((done: any) => {
const constructorZone1: Zone = Zone.current.fork({name: 'Constructor Zone1'});
const constructorZone2: Zone = Zone.current.fork({name: 'Constructor Zone2'});
const subscriptionZone: Zone = Zone.current.fork({name: 'Subscription Zone'});
observable1 = constructorZone1.run(() => {
return new Observable(subscriber => {
expect(Zone.current.name).toEqual(constructorZone1.name);
subscriber.next(1);
subscriber.next(2);
subscriber.next(3);
subscriber.next(4);
subscriber.complete();
});
});
constructorZone2.run(() => { concatObservable = observable1.pipe(concatMapTo(of (0, 1))); });
subscriptionZone.run(() => {
concatObservable.subscribe(
(concat: any) => {
expect(Zone.current.name).toEqual(subscriptionZone.name);
log.push(concat);
},
(error: any) => { fail('subscribe failed' + error); },
() => {
expect(Zone.current.name).toEqual(subscriptionZone.name);
expect(log).toEqual([0, 1, 0, 1, 0, 1, 0, 1]);
done();
});
});
}, Zone.root));
});