angular-cn/packages/zone.js/test/rxjs/rxjs.bindCallback.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 {asapScheduler, bindCallback} from 'rxjs';
import {asyncTest} from '../test-util';
describe('Observable.bindCallback', () => {
let log: any[];
const constructorZone: Zone = Zone.root.fork({name: 'Constructor Zone'});
const subscriptionZone: Zone = Zone.root.fork({name: 'Subscription Zone'});
let func: any;
let boundFunc: any;
let observable: any;
beforeEach(() => {
log = [];
});
it('bindCallback func callback should run in the correct zone', () => {
constructorZone.run(() => {
func = function(arg0: any, callback: Function) {
expect(Zone.current.name).toEqual(constructorZone.name);
callback(arg0);
};
boundFunc = bindCallback(func);
observable = boundFunc('test');
});
subscriptionZone.run(() => {
observable.subscribe((arg: any) => {
expect(Zone.current.name).toEqual(subscriptionZone.name);
log.push('next' + arg);
});
});
expect(log).toEqual(['nexttest']);
});
it('bindCallback with selector should run in correct zone', () => {
constructorZone.run(() => {
func = function(arg0: any, callback: Function) {
expect(Zone.current.name).toEqual(constructorZone.name);
callback(arg0);
};
boundFunc = bindCallback(func, (arg: any) => {
expect(Zone.current.name).toEqual(constructorZone.name);
return 'selector' + arg;
});
observable = boundFunc('test');
});
subscriptionZone.run(() => {
observable.subscribe((arg: any) => {
expect(Zone.current.name).toEqual(subscriptionZone.name);
log.push('next' + arg);
});
});
expect(log).toEqual(['nextselectortest']);
});
it('bindCallback with async scheduler should run in correct zone', asyncTest((done: any) => {
constructorZone.run(() => {
func = function(arg0: any, callback: Function) {
expect(Zone.current.name).toEqual(constructorZone.name);
callback(arg0);
};
boundFunc = bindCallback(func, () => true, asapScheduler);
observable = boundFunc('test');
});
subscriptionZone.run(() => {
observable.subscribe((arg: any) => {
expect(Zone.current.name).toEqual(subscriptionZone.name);
log.push('next' + arg);
done();
});
});
expect(log).toEqual([]);
}, Zone.root));
});