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

135 lines
4.7 KiB
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 {destroyPlatform, InjectionToken, Injector, NgModule} from '@angular/core';
import {waitForAsync} from '@angular/core/testing';
import {BrowserModule} from '@angular/platform-browser';
import {platformBrowserDynamic} from '@angular/platform-browser-dynamic';
import * as angular from '../../../src/common/src/angular1';
import {$INJECTOR, INJECTOR_KEY} from '../../../src/common/src/constants';
import {html, withEachNg1Version} from '../../../src/common/test/helpers/common_test_helpers';
import {downgradeInjectable, getAngularJSGlobal, setAngularJSGlobal, UpgradeModule} from '../../index';
import {bootstrap} from './static_test_helpers';
withEachNg1Version(() => {
describe('injection', () => {
beforeEach(() => destroyPlatform());
afterEach(() => destroyPlatform());
it('should downgrade ng2 service to ng1', waitForAsync(() => {
// Tokens used in ng2 to identify services
const Ng2Service = new InjectionToken('ng2-service');
// Sample ng1 NgModule for tests
@NgModule({
imports: [BrowserModule, UpgradeModule],
providers: [
{provide: Ng2Service, useValue: 'ng2 service value'},
]
})
class Ng2Module {
ngDoBootstrap() {}
}
// create the ng1 module that will import an ng2 service
const ng1Module = angular.module_('ng1Module', [])
.factory('ng2Service', downgradeInjectable(Ng2Service));
bootstrap(platformBrowserDynamic(), Ng2Module, html('<div>'), ng1Module)
.then((upgrade) => {
const ng1Injector = upgrade.$injector;
expect(ng1Injector.get('ng2Service')).toBe('ng2 service value');
});
}));
it('should upgrade ng1 service to ng2', waitForAsync(() => {
// 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: ['$injector']
}
]
})
class Ng2Module {
ngDoBootstrap() {}
}
// create the ng1 module that will import an ng2 service
const ng1Module =
angular.module_('ng1Module', []).value('ng1Service', 'ng1 service value');
bootstrap(platformBrowserDynamic(), Ng2Module, html('<div>'), ng1Module)
.then((upgrade) => {
const ng2Injector = upgrade.injector;
expect(ng2Injector.get(Ng1Service)).toBe('ng1 service value');
});
}));
it('should initialize the upgraded injector before application run blocks are executed',
waitForAsync(() => {
let runBlockTriggered = false;
const ng1Module = angular.module_('ng1Module', []).run([
INJECTOR_KEY,
function(injector: Injector) {
runBlockTriggered = true;
expect(injector.get($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', waitForAsync(() => {
let wrappedBootstrapCalled = false;
const n: any = getAngularJSGlobal();
setAngularJSGlobal({
bootstrap: (...args: any[]) => {
wrappedBootstrapCalled = 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(wrappedBootstrapCalled).toBe(true))
.then(() => setAngularJSGlobal(n)); // Reset the AngularJS global.
}));
});
});