72 lines
2.4 KiB
TypeScript
72 lines
2.4 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 {Injector} from '@angular/core';
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import {APP_INITIALIZER, ApplicationInitStatus} from '@angular/core/src/application_init';
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import {TestBed, async, inject} from '../testing';
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{
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describe('ApplicationInitStatus', () => {
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describe('no initializers', () => {
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it('should return true for `done`',
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async(inject([ApplicationInitStatus], (status: ApplicationInitStatus) => {
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(status as any).runInitializers();
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expect(status.done).toBe(true);
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})));
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it('should return a promise that resolves immediately for `donePromise`',
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async(inject([ApplicationInitStatus], (status: ApplicationInitStatus) => {
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(status as any).runInitializers();
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status.donePromise.then(() => { expect(status.done).toBe(true); });
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})));
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});
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describe('with async initializers', () => {
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let resolve: (result: any) => void;
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let promise: Promise<any>;
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let completerResolver = false;
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beforeEach(() => {
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let initializerFactory = (injector: Injector) => {
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return () => {
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const initStatus = injector.get(ApplicationInitStatus);
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initStatus.donePromise.then(() => { expect(completerResolver).toBe(true); });
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};
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};
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promise = new Promise((res) => { resolve = res; });
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TestBed.configureTestingModule({
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providers: [
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{provide: APP_INITIALIZER, multi: true, useValue: () => promise},
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{
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provide: APP_INITIALIZER,
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multi: true,
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useFactory: initializerFactory,
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deps: [Injector]
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},
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]
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});
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});
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it('should update the status once all async initializers are done',
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async(inject([ApplicationInitStatus], (status: ApplicationInitStatus) => {
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(status as any).runInitializers();
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setTimeout(() => {
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completerResolver = true;
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resolve(null);
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});
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expect(status.done).toBe(false);
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status.donePromise.then(() => {
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expect(status.done).toBe(true);
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expect(completerResolver).toBe(true);
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});
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})));
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});
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});
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}
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