100 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			100 lines
		
	
	
		
			3.2 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, observable, of } from 'rxjs';
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import {pairwise, partition, pluck} from 'rxjs/operators';
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import {ifEnvSupports} from '../test-util';
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import {supportFeature} from './rxjs.util';
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describe('Observable.map', () => {
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  let log: 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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  let observable1: Observable<any>;
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  beforeEach(() => { log = []; });
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  it('pairwise func callback should run in the correct zone', () => {
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    observable1 = constructorZone1.run(() => { return of (1, 2, 3).pipe(pairwise()); });
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    subscriptionZone.run(() => {
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      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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          () => { fail('should not call error'); },
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          () => {
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            expect(Zone.current.name).toEqual(subscriptionZone.name);
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            log.push('completed');
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          });
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    });
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    expect(log).toEqual([[1, 2], [2, 3], 'completed']);
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  });
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  it('partition func callback should run in the correct zone', () => {
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    const partitionZone = Zone.current.fork({name: 'Partition Zone1'});
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    const observable1: any = constructorZone1.run(() => { return of (1, 2, 3); });
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    const part: any = partitionZone.run(() => {
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      return observable1.pipe(partition((val: any) => {
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        expect(Zone.current.name).toEqual(partitionZone.name);
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        return val % 2 === 0;
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      }));
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    });
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    subscriptionZone.run(() => {
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      part[0].subscribe(
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          (result: any) => {
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            expect(Zone.current.name).toEqual(subscriptionZone.name);
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            log.push('first' + result);
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          },
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          () => { fail('should not call error'); },
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          () => {
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            expect(Zone.current.name).toEqual(subscriptionZone.name);
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            log.push('completed');
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          });
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      part[1].subscribe(
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          (result: any) => {
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            expect(Zone.current.name).toEqual(subscriptionZone.name);
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            log.push('second' + result);
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          },
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          () => { fail('should not call error'); },
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          () => {
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            expect(Zone.current.name).toEqual(subscriptionZone.name);
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            log.push('completed');
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          });
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    });
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    expect(log).toEqual(['first2', 'completed', 'second1', 'second3', 'completed']);
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  });
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  it('pluck func callback should run in the correct zone', () => {
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    observable1 =
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        constructorZone1.run(() => { return of ({a: 1, b: 2}, {a: 3, b: 4}).pipe(pluck('a')); });
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    subscriptionZone.run(() => {
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      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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          () => { fail('should not call error'); },
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          () => {
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            expect(Zone.current.name).toEqual(subscriptionZone.name);
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            log.push('completed');
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          });
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    });
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    expect(log).toEqual([1, 3, 'completed']);
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  });
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});
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