Index: xwiki-platform-core/xwiki-core/src/test/java/com/xpn/xwiki/objects/classes/DBListClassTest.java
===================================================================
--- xwiki-platform-core/xwiki-core/src/test/java/com/xpn/xwiki/objects/classes/DBListClassTest.java	(revision 0)
+++ xwiki-platform-core/xwiki-core/src/test/java/com/xpn/xwiki/objects/classes/DBListClassTest.java	(revision 0)
@@ -0,0 +1,55 @@
+package com.xpn.xwiki.objects.classes;
+
+import junit.framework.TestCase;
+
+import com.xpn.xwiki.XWiki;
+import com.xpn.xwiki.XWikiConfig;
+import com.xpn.xwiki.XWikiContext;
+import com.xpn.xwiki.XWikiException;
+import com.xpn.xwiki.doc.XWikiDocument;
+import com.xpn.xwiki.store.XWikiHibernateStore;
+
+
+public class DBListClassTest extends TestCase {
+
+    private XWikiContext context;
+      
+    protected void setUp()
+    {
+    
+    	// Prepare Context with neccesary Objects
+        this.context = new XWikiContext();
+        context.setDoc(new XWikiDocument());
+        
+        XWikiHibernateStore store = new XWikiHibernateStore("whatever");
+        
+        try{
+        	XWiki xwiki = null;
+        	xwiki = new XWiki(new XWikiConfig(), context);
+        	xwiki.setStore(store);
+        } catch (XWikiException e) {
+			fail("Initialization failed");
+		}
+        
+   }
+	
+	public void testGetQuery()
+	{
+		DBListClass dblist = new DBListClass();
+		
+		String query = dblist.getQuery(context);
+	
+		assertNotNull(query);
+		
+		//query = query.trim();
+		query = query.replaceAll("\\s", "");
+
+		// test for this specific error
+		if( query.indexOf(",from") > -1 || query.indexOf(",where") > -1 ){
+			fail("Invalid sql");
+		}
+		
+		//TODO: Find a better way to check for valid SQL. maybe regex?
+	}
+
+}
Index: xwiki-platform-core/xwiki-core/src/test/java/com/xpn/xwiki/objects/classes/DBTreeListClassTest.java
===================================================================
--- xwiki-platform-core/xwiki-core/src/test/java/com/xpn/xwiki/objects/classes/DBTreeListClassTest.java	(revision 0)
+++ xwiki-platform-core/xwiki-core/src/test/java/com/xpn/xwiki/objects/classes/DBTreeListClassTest.java	(revision 0)
@@ -0,0 +1,54 @@
+package com.xpn.xwiki.objects.classes;
+
+import com.xpn.xwiki.XWiki;
+import com.xpn.xwiki.XWikiConfig;
+import com.xpn.xwiki.XWikiContext;
+import com.xpn.xwiki.XWikiException;
+import com.xpn.xwiki.doc.XWikiDocument;
+import com.xpn.xwiki.store.XWikiHibernateStore;
+
+import junit.framework.TestCase;
+
+public class DBTreeListClassTest extends TestCase {
+
+    private XWikiContext context;
+    
+    protected void setUp()
+    {
+    
+    	// Prepare Context with neccesary Objects
+        this.context = new XWikiContext();
+        context.setDoc(new XWikiDocument());
+        
+        XWikiHibernateStore store = new XWikiHibernateStore("whatever");
+        
+        try{
+        	XWiki xwiki = null;
+        	xwiki = new XWiki(new XWikiConfig(), context);
+        	xwiki.setStore(store);
+        } catch (XWikiException e) {
+			fail("Initialization failed");
+		}
+        
+   }
+	
+	public void testGetQuery()
+	{
+		DBTreeListClass dblist = new DBTreeListClass();
+		
+		String query = dblist.getQuery(context);
+	
+		assertNotNull(query);
+		
+		//query = query.trim();
+		query = query.replaceAll("\\s", "");
+
+		// test for this specific error
+		if( query.indexOf(",from") > -1 || query.indexOf(",where") > -1 ){
+			fail("Invalid sql");
+		}
+		
+		//TODO: Find a better way to check for valid SQL. maybe regex?
+	}
+
+}
Index: xwiki-platform-core/xwiki-core/src/test/java/com/xpn/xwiki/objects/classes/DBListClassTest.java
===================================================================
--- xwiki-platform-core/xwiki-core/src/test/java/com/xpn/xwiki/objects/classes/DBListClassTest.java	(revision 0)
+++ xwiki-platform-core/xwiki-core/src/test/java/com/xpn/xwiki/objects/classes/DBListClassTest.java	(revision 0)
@@ -0,0 +1,55 @@
+package com.xpn.xwiki.objects.classes;
+
+import junit.framework.TestCase;
+
+import com.xpn.xwiki.XWiki;
+import com.xpn.xwiki.XWikiConfig;
+import com.xpn.xwiki.XWikiContext;
+import com.xpn.xwiki.XWikiException;
+import com.xpn.xwiki.doc.XWikiDocument;
+import com.xpn.xwiki.store.XWikiHibernateStore;
+
+
+public class DBListClassTest extends TestCase {
+
+    private XWikiContext context;
+      
+    protected void setUp()
+    {
+    
+    	// Prepare Context with neccesary Objects
+        this.context = new XWikiContext();
+        context.setDoc(new XWikiDocument());
+        
+        XWikiHibernateStore store = new XWikiHibernateStore("whatever");
+        
+        try{
+        	XWiki xwiki = null;
+        	xwiki = new XWiki(new XWikiConfig(), context);
+        	xwiki.setStore(store);
+        } catch (XWikiException e) {
+			fail("Initialization failed");
+		}
+        
+   }
+	
+	public void testGetQuery()
+	{
+		DBListClass dblist = new DBListClass();
+		
+		String query = dblist.getQuery(context);
+	
+		assertNotNull(query);
+		
+		//query = query.trim();
+		query = query.replaceAll("\\s", "");
+
+		// test for this specific error
+		if( query.indexOf(",from") > -1 || query.indexOf(",where") > -1 ){
+			fail("Invalid sql");
+		}
+		
+		//TODO: Find a better way to check for valid SQL. maybe regex?
+	}
+
+}
Index: xwiki-platform-core/xwiki-core/src/test/java/com/xpn/xwiki/objects/classes/DBTreeListClassTest.java
===================================================================
--- xwiki-platform-core/xwiki-core/src/test/java/com/xpn/xwiki/objects/classes/DBTreeListClassTest.java	(revision 0)
+++ xwiki-platform-core/xwiki-core/src/test/java/com/xpn/xwiki/objects/classes/DBTreeListClassTest.java	(revision 0)
@@ -0,0 +1,54 @@
+package com.xpn.xwiki.objects.classes;
+
+import com.xpn.xwiki.XWiki;
+import com.xpn.xwiki.XWikiConfig;
+import com.xpn.xwiki.XWikiContext;
+import com.xpn.xwiki.XWikiException;
+import com.xpn.xwiki.doc.XWikiDocument;
+import com.xpn.xwiki.store.XWikiHibernateStore;
+
+import junit.framework.TestCase;
+
+public class DBTreeListClassTest extends TestCase {
+
+    private XWikiContext context;
+    
+    protected void setUp()
+    {
+    
+    	// Prepare Context with neccesary Objects
+        this.context = new XWikiContext();
+        context.setDoc(new XWikiDocument());
+        
+        XWikiHibernateStore store = new XWikiHibernateStore("whatever");
+        
+        try{
+        	XWiki xwiki = null;
+        	xwiki = new XWiki(new XWikiConfig(), context);
+        	xwiki.setStore(store);
+        } catch (XWikiException e) {
+			fail("Initialization failed");
+		}
+        
+   }
+	
+	public void testGetQuery()
+	{
+		DBTreeListClass dblist = new DBTreeListClass();
+		
+		String query = dblist.getQuery(context);
+	
+		assertNotNull(query);
+		
+		//query = query.trim();
+		query = query.replaceAll("\\s", "");
+
+		// test for this specific error
+		if( query.indexOf(",from") > -1 || query.indexOf(",where") > -1 ){
+			fail("Invalid sql");
+		}
+		
+		//TODO: Find a better way to check for valid SQL. maybe regex?
+	}
+
+}