enh(testing app): Add fake text2image provider

Signed-off-by: Marcel Klehr <mklehr@gmx.net>

apps/testing/lib/AppInfo/Application.php

@@ -25,6 +25,7 @@
 namespace OCA\Testing\AppInfo;
 
 use OCA\Testing\AlternativeHomeUserBackend;
+use OCA\Testing\Provider\FakeText2ImageProvider;
 use OCA\Testing\Provider\FakeTranslationProvider;
 use OCA\Testing\Provider\FakeTextProcessingProvider;
 use OCP\AppFramework\App;
@@ -40,6 +41,7 @@ class Application extends App implements IBootstrap {
 	public function register(IRegistrationContext $context): void {
 		$context->registerTranslationProvider(FakeTranslationProvider::class);
 		$context->registerTextProcessingProvider(FakeTextProcessingProvider::class);
+		$context->registerTextToImageProvider(FakeText2ImageProvider::class);
 	}
 
 	public function boot(IBootContext $context): void {

apps/testing/lib/Provider/FakeText2ImageProvider.php

@@ -0,0 +1,43 @@
+<?php
+/**
+ * @copyright Copyright (c) 2023 Marcel Klehr <mklehr@gmx.net>
+ *
+ * @author Marcel Klehr <mklehr@gmx.net>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+namespace OCA\Testing\Provider;
+
+use OCP\TextToImage\IProvider;
+
+class FakeText2ImageProvider implements IProvider {
+
+	public function getName(): string {
+		return 'Fake Text2Image provider';
+	}
+
+	public function generate(string $prompt, array $resources): void {
+		foreach ($resources as $resource) {
+			$read = fopen(__DIR__ . '/../../img/logo.png', 'r');
+			stream_copy_to_stream($read, $resource);
+		}
+	}
+
+	public function getExpectedRuntime(): int {
+		return 1;
+	}
+}