angular-cn/packages/upgrade/test/static/integration/injection_spec.ts

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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 {InjectionToken, Injector, NgModule, destroyPlatform} from '@angular/core';
import {async} from '@angular/core/testing';
import {BrowserModule} from '@angular/platform-browser';
import {platformBrowserDynamic} from '@angular/platform-browser-dynamic';
import * as angular from '@angular/upgrade/src/common/angular1';
import {$INJECTOR, INJECTOR_KEY} from '@angular/upgrade/src/common/constants';
import {UpgradeModule, downgradeInjectable, getAngularJSGlobal, setAngularJSGlobal} from '@angular/upgrade/static';
import {bootstrap, html} from '../test_helpers';
{
describe('injection', () => {
beforeEach(() => destroyPlatform());
afterEach(() => destroyPlatform());
it('should downgrade ng2 service to ng1', async(() => {
// Tokens used in ng2 to identify services
const Ng2Service = new InjectionToken('ng2-service');
// Sample ng1 NgModule for tests
@NgModule({
imports: [BrowserModule, UpgradeModule],
providers: [
{provide: Ng2Service, useValue: 'ng2 service value'},
]
})
class Ng2Module {
ngDoBootstrap() {}
}
// create the ng1 module that will import an ng2 service
const ng1Module =
angular.module('ng1Module', []).factory('ng2Service', downgradeInjectable(Ng2Service));
bootstrap(platformBrowserDynamic(), Ng2Module, html('<div>'), ng1Module)
.then((upgrade) => {
const ng1Injector = upgrade.$injector;
expect(ng1Injector.get('ng2Service')).toBe('ng2 service value');
});
}));
it('should upgrade ng1 service to ng2', async(() => {
// Tokens used in ng2 to identify services
const Ng1Service = new InjectionToken('ng1-service');
// Sample ng1 NgModule for tests
@NgModule({
imports: [BrowserModule, UpgradeModule],
providers: [
// the following line is the "upgrade" of an AngularJS service
{
provide: Ng1Service,
useFactory: (i: angular.IInjectorService) => i.get('ng1Service'),
deps: ['$injector']
}
]
})
class Ng2Module {
ngDoBootstrap() {}
}
// create the ng1 module that will import an ng2 service
const ng1Module = angular.module('ng1Module', []).value('ng1Service', 'ng1 service value');
bootstrap(platformBrowserDynamic(), Ng2Module, html('<div>'), ng1Module)
.then((upgrade) => {
const ng2Injector = upgrade.injector;
expect(ng2Injector.get(Ng1Service)).toBe('ng1 service value');
});
}));
it('should initialize the upgraded injector before application run blocks are executed',
async(() => {
let runBlockTriggered = false;
const ng1Module = angular.module('ng1Module', []).run([
INJECTOR_KEY,
function(injector: Injector) {
runBlockTriggered = true;
expect(injector.get($INJECTOR)).toBeDefined();
}
]);
@NgModule({imports: [BrowserModule, UpgradeModule]})
class Ng2Module {
ngDoBootstrap() {}
}
bootstrap(platformBrowserDynamic(), Ng2Module, html('<div>'), ng1Module).then(() => {
expect(runBlockTriggered).toBeTruthy();
});
}));
it('should allow resetting angular at runtime', async(() => {
let wrappedBootstrapepedCalled = false;
const n: any = getAngularJSGlobal();
setAngularJSGlobal({
bootstrap: (...args: any[]) => {
wrappedBootstrapepedCalled = true;
n.bootstrap(...args);
},
module: n.module,
element: n.element,
version: n.version,
resumeBootstrap: n.resumeBootstrap,
getTestability: n.getTestability
});
@NgModule({imports: [BrowserModule, UpgradeModule]})
class Ng2Module {
ngDoBootstrap() {}
}
const ng1Module = angular.module('ng1Module', []);
bootstrap(platformBrowserDynamic(), Ng2Module, html('<div>'), ng1Module)
.then((upgrade) => { expect(wrappedBootstrapepedCalled).toEqual(true); });
}));
});
}