angular-docs-cn/modules/@angular/upgrade/test/aot/integration/testability_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 {NgModule, Testability, destroyPlatform} from '@angular/core';
import {fakeAsync, tick} from '@angular/core/testing';
import {BrowserModule} from '@angular/platform-browser';
import {platformBrowserDynamic} from '@angular/platform-browser-dynamic';
import {UpgradeModule} from '@angular/upgrade';
import * as angular from '@angular/upgrade/src/angular_js';
import {bootstrap, html} from '../test_helpers';
export function main() {
describe('testability', () => {
beforeEach(() => destroyPlatform());
afterEach(() => destroyPlatform());
@NgModule({imports: [BrowserModule, UpgradeModule]})
class Ng2Module {
ngDoBootstrap() {}
}
it('should handle deferred bootstrap', fakeAsync(() => {
let applicationRunning = false;
const ng1Module = angular.module('ng1', []).run(() => { applicationRunning = true; });
const element = html('<div></div>');
window.name = 'NG_DEFER_BOOTSTRAP!' + window.name;
bootstrap(platformBrowserDynamic(), Ng2Module, element, ng1Module);
setTimeout(() => { (<any>window).angular.resumeBootstrap(); }, 100);
expect(applicationRunning).toEqual(false);
tick(100);
expect(applicationRunning).toEqual(true);
}));
it('should wait for ng2 testability', fakeAsync(() => {
const ng1Module = angular.module('ng1', []);
const element = html('<div></div>');
bootstrap(platformBrowserDynamic(), Ng2Module, element, ng1Module).then((upgrade) => {
const ng2Testability: Testability = upgrade.injector.get(Testability);
ng2Testability.increasePendingRequestCount();
let ng2Stable = false;
let ng1Stable = false;
angular.getTestability(element).whenStable(() => { ng1Stable = true; });
setTimeout(() => {
ng2Stable = true;
ng2Testability.decreasePendingRequestCount();
}, 100);
expect(ng1Stable).toEqual(false);
expect(ng2Stable).toEqual(false);
tick(100);
expect(ng1Stable).toEqual(true);
expect(ng2Stable).toEqual(true);
});
}));
});
}