Merged HEAD-QA to HEAD (4.2) (including moving test classes into separate folders)

51903 to 54309 


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@54310 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/test-java/org/alfresco/repo/model/filefolder/FileFolderDuplicateChildTest.java

@@ -0,0 +1,220 @@
+/*
+ * Copyright (C) 2005-2010 Alfresco Software Limited.
+ *
+ * This file is part of Alfresco
+ *
+ * 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/>.
+ */
+package org.alfresco.repo.model.filefolder;
+
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+
+import junit.framework.TestCase;
+
+import org.alfresco.model.ContentModel;
+import org.alfresco.repo.security.authentication.AuthenticationComponent;
+import org.alfresco.repo.transaction.RetryingTransactionHelper;
+import org.alfresco.repo.transaction.RetryingTransactionHelper.RetryingTransactionCallback;
+import org.alfresco.service.ServiceRegistry;
+import org.alfresco.service.cmr.model.FileExistsException;
+import org.alfresco.service.cmr.model.FileFolderService;
+import org.alfresco.service.cmr.model.FileInfo;
+import org.alfresco.service.cmr.repository.NodeRef;
+import org.alfresco.service.cmr.repository.NodeService;
+import org.alfresco.service.cmr.repository.StoreRef;
+import org.alfresco.service.namespace.NamespaceService;
+import org.alfresco.service.namespace.QName;
+import org.alfresco.service.transaction.TransactionService;
+import org.alfresco.util.ApplicationContextHelper;
+import org.springframework.context.ApplicationContext;
+
+/**
+ * Checks that the duplicate child handling is done correctly.
+ * 
+ * @see org.alfresco.repo.model.filefolder.FileFolderServiceImpl
+ * 
+ * @author Derek Hulley
+ * @since 2.1.0
+ */
+public class FileFolderDuplicateChildTest extends TestCase
+{
+    private static final ApplicationContext ctx = ApplicationContextHelper.getApplicationContext();
+
+    private AuthenticationComponent authenticationComponent;
+    private TransactionService transactionService;
+    private RetryingTransactionHelper retryingTransactionHelper;
+    private NodeService nodeService;
+    private FileFolderService fileFolderService;
+    private NodeRef rootNodeRef;
+    private NodeRef workingRootNodeRef;
+    
+    @Override
+    public void setUp() throws Exception
+    {
+        ServiceRegistry serviceRegistry = (ServiceRegistry) ctx.getBean("ServiceRegistry");
+        transactionService = serviceRegistry.getTransactionService();
+        retryingTransactionHelper = transactionService.getRetryingTransactionHelper();
+        nodeService = serviceRegistry.getNodeService();
+        fileFolderService = serviceRegistry.getFileFolderService();
+        authenticationComponent = (AuthenticationComponent) ctx.getBean("authenticationComponent");
+
+        RetryingTransactionCallback<NodeRef> callback = new RetryingTransactionCallback<NodeRef>()
+        {
+            public NodeRef execute() throws Throwable
+            {
+                // authenticate
+                authenticationComponent.setCurrentUser(authenticationComponent.getSystemUserName());
+                
+                // create a test store
+                StoreRef storeRef = nodeService.createStore(StoreRef.PROTOCOL_WORKSPACE, getName() + System.currentTimeMillis());
+                rootNodeRef = nodeService.getRootNode(storeRef);
+                
+                // create a folder to import into
+                NodeRef nodeRef = nodeService.createNode(
+                        rootNodeRef,
+                        ContentModel.ASSOC_CHILDREN,
+                        QName.createQName(NamespaceService.ALFRESCO_URI, "working root"),
+                        ContentModel.TYPE_FOLDER).getChildRef();
+                // Done
+                return nodeRef;
+            }
+        };
+        workingRootNodeRef = retryingTransactionHelper.doInTransaction(callback, false, true);
+    }
+    
+    public void tearDown() throws Exception
+    {
+    }
+    
+    public void testDuplicateChildNameDetection() throws Exception
+    {
+        // First create a file name F1
+        RetryingTransactionCallback<FileInfo> callback = new CreateFileCallback(0);
+        FileInfo fileInfo = retryingTransactionHelper.doInTransaction(callback, false, true);
+        // Check that the filename is F0
+        assertEquals("Incorrect initial filename", "F0", fileInfo.getName());
+        
+        // Now create a whole lot of threads that attempt file creation
+        int threadCount = 10;
+        CountDownLatch endLatch = new CountDownLatch(threadCount);
+        WorkerThread[] workers = new WorkerThread[threadCount];
+        for (int i = 0; i < threadCount; i++)
+        {
+            workers[i] = new WorkerThread(endLatch);
+            workers[i].start();
+        }
+        // Wait at the end gate
+        endLatch.await(300L, TimeUnit.SECONDS);
+        
+        // Analyse
+        int failureCount = 0;
+        int didNotCompleteCount = 0;
+        for (int i = 0; i < threadCount; i++)
+        {
+            if (workers[i].error != null)
+            {
+                failureCount++;
+            }
+            else if (workers[i].success == null)
+            {
+                didNotCompleteCount++;
+            }
+        }
+        System.out.println("" + failureCount + " of the " + threadCount + " threads failed and " + didNotCompleteCount + " did not finish.");
+        assertEquals("Some failures", 0, failureCount);
+        assertEquals("Some non-finishes", 0, didNotCompleteCount);
+    }
+    
+    /**
+     * Attempts to create a file "Fn" where n is the number supplied to the constructor.
+     */
+    private class CreateFileCallback implements RetryingTransactionCallback<FileInfo>
+    {
+        private final int number;
+        public CreateFileCallback(int number)
+        {
+            this.number = number;
+        }
+        public FileInfo execute() throws Throwable
+        {
+            authenticationComponent.setCurrentUser(authenticationComponent.getSystemUserName());
+            return fileFolderService.create(
+                    workingRootNodeRef,
+                    "F" + number,
+                    ContentModel.TYPE_CONTENT);
+        }
+    }
+    
+    private static ThreadGroup threadGroup = new ThreadGroup("FileFolderDuplicateChildTest");
+    private static int threadNumber = -1;
+    private class WorkerThread extends Thread
+    {
+        private CountDownLatch endLatch;
+        private Throwable error;
+        private FileInfo success;
+
+        public WorkerThread(CountDownLatch endLatch)
+        {
+            super(threadGroup, "Worker " + ++threadNumber);
+            this.endLatch = endLatch;
+        }
+        
+        public void run()
+        {
+            FileInfo fileInfo = null;
+            // Start the count with a guaranteed failure
+            int number = 0;
+            while(true)
+            {
+                RetryingTransactionCallback<FileInfo> callback = new CreateFileCallback(number);
+                try
+                {
+                    System.out.println("Thread " + getName() + " attempting file: " + number);
+                    System.out.flush();
+
+                    fileInfo = retryingTransactionHelper.doInTransaction(callback, false, true);
+                    // It worked
+                    success = fileInfo;
+                    break;
+                }
+                catch (FileExistsException e)
+                {
+                    // Try another number
+                    number++;
+                }
+                catch (Throwable e)
+                {
+                    // Oops
+                    error = e;
+                    break;
+                }
+            }
+            // Done
+            if (error != null)
+            {
+                System.err.println("Thread " + getName() + " failed to create file " + number + ":");
+                System.err.flush();
+                error.printStackTrace();
+            }
+            else
+            {
+                System.out.println("\t\t\tThread " + getName() + " created file: " + success.getName());
+                System.out.flush();
+            }
+            // Tick the latch
+            endLatch.countDown();
+        }
+    }
+}