88 lines
3.2 KiB
TypeScript
88 lines
3.2 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, of } from 'rxjs';
|
||
|
|
import {distinct, distinctUntilChanged, distinctUntilKeyChanged} from 'rxjs/operators';
|
||
|
|
|
||
|
|
describe('Observable.distinct', () => {
|
||
|
|
let log: any[];
|
||
|
|
let observable1: Observable<any>;
|
||
|
|
|
||
|
|
beforeEach(() => { log = []; });
|
||
|
|
|
||
|
|
it('distinct 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, 1, 2, 2, 2, 1, 2, 3, 4, 3, 2, 1).pipe(distinct()); });
|
||
|
|
|
||
|
|
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([1, 2, 3, 4, 'completed']);
|
||
|
|
});
|
||
|
|
|
||
|
|
it('distinctUntilChanged 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, 1, 2, 2, 2, 1, 1, 2, 3, 3, 4).pipe(distinctUntilChanged()); });
|
||
|
|
|
||
|
|
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([1, 2, 1, 2, 3, 4, 'completed']);
|
||
|
|
});
|
||
|
|
|
||
|
|
it('distinctUntilKeyChanged 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 ({age: 4, name: 'Foo'}, {age: 7, name: 'Bar'}, {age: 5, name: 'Foo'},
|
||
|
|
{age: 6, name: 'Foo'})
|
||
|
|
.pipe(distinctUntilKeyChanged('name'));
|
||
|
|
});
|
||
|
|
|
||
|
|
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(
|
||
|
|
[{age: 4, name: 'Foo'}, {age: 7, name: 'Bar'}, {age: 5, name: 'Foo'}, 'completed']);
|
||
|
|
});
|
||
|
|
});
|