angular-cn/packages/zone.js/test/rxjs/rxjs.bindNodeCallback.spec.ts
Joey Perrott d1ea1f4c7f build: update license headers to reference Google LLC ()
Update the license headers throughout the repository to reference Google LLC
rather than Google Inc, for the required license headers.

PR Close 
2020-05-26 14:26:58 -04:00

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TypeScript

/**
* @license
* Copyright Google LLC 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, bindNodeCallback, Observable} from 'rxjs';
import {asyncTest} from '../test-util';
describe('Observable.bindNodeCallback', () => {
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('bindNodeCallback func callback should run in the correct zone', () => {
constructorZone.run(() => {
func = function(arg: any, callback: (error: any, result: any) => any) {
expect(Zone.current.name).toEqual(constructorZone.name);
callback(null, arg);
};
boundFunc = bindNodeCallback(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('bindNodeCallback with selector should run in correct zone', () => {
constructorZone.run(() => {
func = function(arg: any, callback: (error: any, result: any) => any) {
expect(Zone.current.name).toEqual(constructorZone.name);
callback(null, arg);
};
boundFunc = bindNodeCallback(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('bindNodeCallback with async scheduler should run in correct zone', asyncTest((done: any) => {
constructorZone.run(() => {
func = function(arg: any, callback: (error: any, result: any) => any) {
expect(Zone.current.name).toEqual(constructorZone.name);
callback(null, arg);
};
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([]);
}));
it('bindNodeCallback call with error should run in correct zone', () => {
constructorZone.run(() => {
func = function(arg: any, callback: (error: any, result: any) => any) {
expect(Zone.current.name).toEqual(constructorZone.name);
callback(arg, null);
};
boundFunc = bindCallback(func);
observable = boundFunc('test');
});
subscriptionZone.run(() => {
observable.subscribe(
(arg: any) => {
expect(Zone.current.name).toEqual(subscriptionZone.name);
log.push('next' + arg);
},
(error: any) => {
log.push('error' + error);
});
});
expect(log).toEqual(['nexttest,']);
});
});