129 lines
		
	
	
		
			4.7 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			129 lines
		
	
	
		
			4.7 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, combineLatest, 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(() => { log = []; });
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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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             () => { fail('should not call error'); },
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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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             () => { fail('should not call error'); },
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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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          () => { fail('should not call error'); },
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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) => { return x + y; });
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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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          () => { fail('should not call error'); },
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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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