src/app/testing/ionic-testing.ts

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

import { EnvironmentProviders, Provider } from '@angular/core';
import { provideIonicAngular } from '@ionic/angular/standalone';

/**
 * Providers required by any TestBed rendering a component that uses Ionic overlays
 * (`ToastController`, `ModalController`, `AlertController`) — directly or through
 * `NotificationService` / `DialogService`.
 *
 * Without these the component fails to construct with `NG0201: No provider found for
 * _ModalController`. Mirrors the configuration used in `app.config.ts` — including
 * `useSetInputAPI`, without which a test would deliver `componentProps` differently from
 * production and a broken signal input on a dialog would pass here and fail in the app.
 */
export function provideIonicTesting(): (Provider | EnvironmentProviders)[] {
  return [provideIonicAngular({ mode: 'md', useSetInputAPI: true })];
}