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

186 lines
6.4 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 {empty, interval, Observable, of} from 'rxjs';
import {buffer, bufferCount, bufferTime, bufferToggle, bufferWhen} from 'rxjs/operators';
import {asyncTest} from '../test-util';
xdescribe('Observable.buffer', () => {
let log: any[];
let observable1: Observable<any>;
beforeEach(() => {
log = [];
});
it('buffer 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'});
observable1 = constructorZone1.run(() => {
const source = interval(350);
const iv = interval(100);
return iv.pipe(buffer(source));
});
subscriptionZone.run(() => {
const subscriber = observable1.subscribe(
(result: any) => {
expect(Zone.current.name).toEqual(subscriptionZone.name);
log.push(result);
if (result[0] >= 3) {
subscriber.unsubscribe();
}
},
() => {
fail('should not call error');
},
() => {
log.push('completed');
expect(Zone.current.name).toEqual(subscriptionZone.name);
expect(log).toEqual([[0, 1, 2], [3, 4, 5], 'completed']);
done();
});
});
expect(log).toEqual([]);
}, Zone.root));
it('bufferCount 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'});
observable1 = constructorZone1.run(() => {
const iv = interval(100);
return iv.pipe(bufferCount(3));
});
subscriptionZone.run(() => {
const subscriber = observable1.subscribe(
(result: any) => {
expect(Zone.current.name).toEqual(subscriptionZone.name);
log.push(result);
if (result[0] >= 3) {
subscriber.unsubscribe();
}
},
() => {
fail('should not call error');
},
() => {
log.push('completed');
expect(Zone.current.name).toEqual(subscriptionZone.name);
expect(log).toEqual([[0, 1, 2], [3, 4, 5], 'completed']);
done();
});
});
expect(log).toEqual([]);
}, Zone.root));
it('bufferTime 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'});
observable1 = constructorZone1.run(() => {
const iv = interval(100);
return iv.pipe(bufferTime(350));
});
subscriptionZone.run(() => {
const subscriber = observable1.subscribe(
(result: any) => {
expect(Zone.current.name).toEqual(subscriptionZone.name);
log.push(result);
if (result[0] >= 3) {
subscriber.unsubscribe();
}
},
() => {
fail('should not call error');
},
() => {
log.push('completed');
expect(Zone.current.name).toEqual(subscriptionZone.name);
expect(log).toEqual([[0, 1, 2], [3, 4, 5], 'completed']);
done();
});
});
expect(log).toEqual([]);
}, Zone.root));
it('bufferToggle 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'});
observable1 = constructorZone1.run(() => {
const source = interval(10);
const opening = interval(25);
const closingSelector = (v: any) => {
expect(Zone.current.name).toEqual(constructorZone1.name);
return v % 2 === 0 ? of(v) : empty();
};
return source.pipe(bufferToggle(opening, closingSelector));
});
let i = 0;
subscriptionZone.run(() => {
const subscriber = observable1.subscribe(
(result: any) => {
expect(Zone.current.name).toEqual(subscriptionZone.name);
log.push(result);
subscriber.unsubscribe();
},
() => {
fail('should not call error');
},
() => {
log.push('completed');
expect(Zone.current.name).toEqual(subscriptionZone.name);
expect(log).toEqual([[], 'completed']);
done();
});
});
expect(log).toEqual([]);
}, Zone.root));
it('bufferWhen 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'});
observable1 = constructorZone1.run(() => {
const source = interval(100);
return source.pipe(bufferWhen(() => {
expect(Zone.current.name).toEqual(constructorZone1.name);
return interval(220);
}));
});
let i = 0;
subscriptionZone.run(() => {
const subscriber = observable1.subscribe(
(result: any) => {
expect(Zone.current.name).toEqual(subscriptionZone.name);
log.push(result);
if (i++ >= 3) {
subscriber.unsubscribe();
}
},
() => {
fail('should not call error');
},
() => {
log.push('completed');
expect(Zone.current.name).toEqual(subscriptionZone.name);
expect(log).toEqual([[0, 1], [2, 3], [4, 5], [6, 7], 'completed']);
done();
});
});
expect(log).toEqual([]);
}, Zone.root));
});