81 lines
2.8 KiB
TypeScript
81 lines
2.8 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 {InjectionToken, NgModule, destroyPlatform} from '@angular/core';
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import {async} from '@angular/core/testing';
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import {BrowserModule} from '@angular/platform-browser';
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import {platformBrowserDynamic} from '@angular/platform-browser-dynamic';
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import * as angular from '@angular/upgrade/src/angular_js';
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import {UpgradeModule, downgradeInjectable} from '@angular/upgrade/static';
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import {bootstrap, html} from '../test_helpers';
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export function main() {
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describe('injection', () => {
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beforeEach(() => destroyPlatform());
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afterEach(() => destroyPlatform());
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it('should downgrade ng2 service to ng1', async(() => {
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// Tokens used in ng2 to identify services
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const Ng2Service = new InjectionToken('ng2-service');
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// Sample ng1 NgModule for tests
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@NgModule({
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imports: [BrowserModule, UpgradeModule],
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providers: [
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{provide: Ng2Service, useValue: 'ng2 service value'},
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]
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})
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class Ng2Module {
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ngDoBootstrap() {}
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}
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// create the ng1 module that will import an ng2 service
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const ng1Module =
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angular.module('ng1Module', []).factory('ng2Service', downgradeInjectable(Ng2Service));
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bootstrap(platformBrowserDynamic(), Ng2Module, html('<div>'), ng1Module)
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.then((upgrade) => {
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const ng1Injector = upgrade.$injector;
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expect(ng1Injector.get('ng2Service')).toBe('ng2 service value');
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});
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}));
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it('should upgrade ng1 service to ng2', async(() => {
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// Tokens used in ng2 to identify services
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const Ng1Service = new InjectionToken('ng1-service');
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// Sample ng1 NgModule for tests
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@NgModule({
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imports: [BrowserModule, UpgradeModule],
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providers: [
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// the following line is the "upgrade" of an Angular 1 service
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{
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provide: Ng1Service,
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useFactory: (i: angular.IInjectorService) => i.get('ng1Service'),
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deps: ['$injector']
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}
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]
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})
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class Ng2Module {
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ngDoBootstrap() {}
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}
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// create the ng1 module that will import an ng2 service
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const ng1Module = angular.module('ng1Module', []).value('ng1Service', 'ng1 service value');
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bootstrap(platformBrowserDynamic(), Ng2Module, html('<div>'), ng1Module)
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.then((upgrade) => {
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const ng2Injector = upgrade.injector;
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expect(ng2Injector.get(Ng1Service)).toBe('ng1 service value');
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});
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}));
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});
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}
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