[MNT-23567] Prepare proof of work test for PPT to TXT Transformation.

Use for testing:
docker compose -f ./scripts/ci/docker-compose/docker-compose.yaml --profile with-transform-core-aio up -d

repository/src/test/java/org/alfresco/repo/rendition2/AbstractRenditionIntegrationTest.java

@@ -2,7 +2,7 @@
  * #%L
  * Alfresco Repository
  * %%
- * Copyright (C) 2005 - 2022 Alfresco Software Limited
+ * Copyright (C) 2005 - 2025 Alfresco Software Limited
  * %%
  * This file is part of the Alfresco software.
  * If the software was purchased under a paid Alfresco license, the terms of
@@ -460,7 +460,7 @@ public abstract class AbstractRenditionIntegrationTest extends BaseSpringTest
         return testFileName;
     }
 
-    NodeRef createContentNodeFromQuickFile(String fileName) throws FileNotFoundException
+    protected NodeRef createContentNodeFromQuickFile(String fileName) throws FileNotFoundException
     {
         NodeRef rootNodeRef = nodeService.getRootNode(StoreRef.STORE_REF_WORKSPACE_SPACESSTORE);
         NodeRef folderNodeRef = nodeService.createNode(

repository/src/test/java/org/alfresco/util/PPTtoTextTransformationTest.java

@@ -0,0 +1,101 @@
+/*
+ * #%L
+ * Alfresco Repository
+ * %%
+ * Copyright (C) 2005 - 2025 Alfresco Software Limited
+ * %%
+ * This file is part of the Alfresco software.
+ * If the software was purchased under a paid Alfresco license, the terms of
+ * the paid license agreement will prevail.  Otherwise, the software is
+ * provided under the following open source license terms:
+ *
+ * Alfresco is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Alfresco 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
+ * #L%
+ */
+package org.alfresco.util;
+
+import org.alfresco.repo.rendition2.AbstractRenditionIntegrationTest;
+import org.alfresco.repo.rendition2.SynchronousTransformClient;
+import org.alfresco.repo.security.authentication.AuthenticationUtil;
+import org.alfresco.service.cmr.repository.ContentReader;
+import org.alfresco.service.cmr.repository.ContentWriter;
+import org.alfresco.service.cmr.repository.NodeRef;
+import org.junit.AfterClass;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+
+import java.util.Collections;
+import java.util.Map;
+
+import static org.alfresco.model.ContentModel.PROP_CONTENT;
+
+public class PPTtoTextTransformationTest extends AbstractRenditionIntegrationTest
+{
+    @Autowired
+    protected SynchronousTransformClient localSynchronousTransformClient;
+
+    protected SynchronousTransformClient synchronousTransformClient;
+
+    @BeforeClass
+    public static void before()
+    {
+        AbstractRenditionIntegrationTest.before();
+        local();
+    }
+
+    @AfterClass
+    public static void after()
+    {
+        // Strict MimetypeCheck property cleanup
+        System.clearProperty("transformer.strict.mimetype.check");
+        // Retry on DifferentMimetype property cleanup
+        System.clearProperty("content.transformer.retryOn.different.mimetype");
+        AbstractRenditionIntegrationTest.after();
+    }
+
+    @Before
+    public void setUp() throws Exception
+    {
+        super.setUp();
+        AuthenticationUtil.setRunAsUser(AuthenticationUtil.getAdminUserName());
+        synchronousTransformClient = localSynchronousTransformClient;
+    }
+
+    @Test
+    public void testTransformPttToTxt() throws Exception
+    {
+        checkTransform("quick.ppt", "text/plain", Collections.emptyMap(), true);
+    }
+
+    private void checkTransform(String testFileName, String targetMimetype, Map<String, String> actualOptions, boolean expectedToPass)
+    {
+        if (expectedToPass)
+        {
+            NodeRef sourceNode = transactionService.getRetryingTransactionHelper().doInTransaction(() ->
+                    createContentNodeFromQuickFile(testFileName));
+            ContentReader reader = contentService.getReader(sourceNode, PROP_CONTENT);
+            ContentWriter writer = contentService.getTempWriter();
+            writer.setMimetype(targetMimetype);
+            synchronousTransformClient.transform(reader, writer, actualOptions, null, sourceNode);
+
+            ContentReader transformReader = writer.getReader();
+            String content = transformReader == null ? null : transformReader.getContentString();
+            content = content == null || content.isEmpty() ? null : content;
+            assertNotNull("The synchronous transform resulted in no content", content);
+        }
+    }
+
+}

scripts/ci/docker-compose/docker-compose.yaml

@@ -3,7 +3,7 @@ version: "3"
 services:
   transform-core-aio:
     profiles: ["with-transform-core-aio"]
-    image: alfresco/alfresco-transform-core-aio:${TRANSFORMERS_TAG}
+    image: alfresco/alfresco-transform-core-aio:5.1.3
     environment:
       JAVA_OPTS: " -Xms256m -Xmx256m"
     ports: