diff --git a/phpgwapi/tests/schema_proc.php b/phpgwapi/tests/schema_proc.php
new file mode 100755
index 0000000000..0df62f18cd
--- /dev/null
+++ b/phpgwapi/tests/schema_proc.php
@@ -0,0 +1,121 @@
+#!/usr/bin/php -q
+<?php
+	/**************************************************************************\
+	* eGroupWare - Setup - db-schema-processor - unit tests                    *
+	* http://www.egroupware.org                                                *
+	* --------------------------------------------                             *
+	* Written by Ralf Becker <RalfBecker@outdoor-training.de>                  *
+	* --------------------------------------------                             *
+	*  This program is free software; you can redistribute it and/or modify it *
+	*  under the terms of the GNU General Public License as published by the   *
+	*  Free Software Foundation; either version 2 of the License, or (at your  *
+	*  option) any later version.                                              *
+	\**************************************************************************/
+	/* $Id$ */
+
+	// For security reasons we exit by default if called via the webserver
+	/*if (isset($_SERVER['HTTP_HOST']))
+	{
+		die ('Access denied !!!');
+	}*/
+	// the used domain has to be given as first parameter if called on the commandline or as domain= on the url
+	if (!isset($_GET['domain'])) 
+	{
+		$_GET['domain'] = isset($_SERVER['argv'][1]) ? $_SERVER['argv'][1] : 'default';
+	}
+	$path_to_egroupware = realpath(dirname(__FILE__).'/../..');	//  need to be adapted if this script is moved somewhere else
+
+	$phpgw_info = array(
+		'flags' => array(
+			'disable_Template_class' => True,
+			'login'                  => True,
+			'currentapp'             => 'login',
+			'noheader'               => True,
+		)
+	);
+	include ($path_to_egroupware.'/header.inc.php');
+	$GLOBALS['phpgw_info']['server']['asyncservice'] = 'off';
+
+	// now we should have a valid db-connection
+	$adodb = &$GLOBALS['phpgw']->ADOdb;
+	$db = &$GLOBALS['phpgw']->db;
+
+	if (isset($_SERVER['HTTP_HOST'])) echo "<pre>\n";
+	echo "Serverinfo: Domain $_GET[domain]: $db->Type($db->Database)\n";
+	print_r($adodb->ServerInfo());
+	
+	// creating a schema_proc instance
+	$schema_proc = CreateObject('phpgwapi.schema_proc',$db->Type);
+	$schema_proc->debug = isset($_SERVER['argv'][2]) ? $_SERVER['argv'][2] : (isset($_GET['debug']) ? $_GET['debug'] : 0);
+	
+	// define a test-table to create
+	$test_tables = array(
+		'schema_proc_test' => array(
+			'fd' => array(
+				'test_auto' => array('type' => 'auto'),
+				'test_int4' => array('type' => 'int','precision' => '4'),
+				'test_varchar' => array('type' => 'varchar','precision' => '128'),
+				'test_char' => array('type' => 'char','precision' => '10'),
+				'test_timestamp' => array('type' => 'timestamp','default'=>'current_timestamp'),
+				'test_text' => array('type' => 'text'),
+				'test_blob' => array('type' => 'blob'),
+			),
+			'pk' => array('test_auto'),
+			'fk' => array(),
+			'ix' => array('test_varchar',array('test_text','options'=>array('mysql'=>'FULLTEXT','maxdb'=>false,'pgsql'=>false))),
+			'uc' => array()
+		),
+	);
+	
+	echo "Creating table(s):\n";
+	$meta_tables = $adodb->MetaTables();
+	foreach($test_tables as $name => $definition)
+	{
+		// droping the tables, if they exist from a previous run
+		if (in_array($name,$meta_tables) || in_array(strtoupper($name),$meta_tables))
+		{
+			$schema_proc->DropTable($name);
+		}
+		$schema_proc->CreateTable($name,$definition);
+	}
+	
+	echo "\nReading back the tables via MetaTables:\n";
+	$meta_tables = $adodb->MetaTables();
+	foreach($test_tables as $name => $definition)
+	{
+		if (!in_array($name,$meta_tables) && !in_array(strtoupper($name),$meta_tables))
+		{
+			echo "\n\n!!! Table '$name' has NOT been created !!!\n\n";
+		}
+		else
+		{
+			echo "Table '$name' found\n";
+			print_r($adodb->MetaColumns($name));
+		}		
+	}
+	echo "Droping column test_blob:\n";
+	$new_table_def = $test_tables['schema_proc_test'];
+	unset($new_table_def['fd']['test_blob']);
+	$schema_proc->DropColumn('schema_proc_test',$new_table_def,'test_blob');
+	
+	echo "Altering column test_char to varchar(32):\n";
+	$schema_proc->AlterColumn('schema_proc_test','test_char',array('type' => 'varchar','precision' => 32));
+	
+	echo "Adding column test_bool bool:\n";
+	$schema_proc->AddColumn('schema_proc_test','test_bool',array('type' => 'bool'));
+	
+	echo "Renaming column test_timestamp to test_time:\n";
+	$schema_proc->RenameColumn('schema_proc_test','test_timestamp','test_time');
+	
+	echo "Renaming table schema_proc_test to schema_proc_renamed:\n";
+	$schema_proc->RenameTable('schema_proc_test','schema_proc_renamed');
+	
+	print_r($adodb->MetaColumns('schema_proc_renamed'));
+	
+	$schema_proc->RenameTable('schema_proc_renamed','schema_proc_test');	// so we can drop it under its original name
+
+	echo "\nDroping the test-tables again:\n";
+	if (!$schema_proc->DropAllTables($test_tables)) echo "!!!Failed !!!\n";
+	
+	echo "\nbye ...\n";
+