diff --git a/tests/api/authentication.php b/tests/api/authentication.php
new file mode 100644
index 0000000..810b374
--- /dev/null
+++ b/tests/api/authentication.php
@@ -0,0 +1,48 @@
+<?
+
+
+
+require_once(dirname(__FILE__) . '/../test.php');
+require_once(KT_DIR .  '/ktapi/ktapi.inc.php');
+
+
+class APIAuthenticationTestCase extends KTUnitTestCase 
+{
+	function testAdmin()
+	{
+		$ktapi = new KTAPI();
+		
+		$session = $ktapi->start_session('admin','admin');
+		$this->assertTrue(is_a($session,'KTAPI_UserSession'));
+		$this->assertTrue($session->is_active());
+		
+		$session->logout();
+		$this->assertFalse($session->is_active());
+	}
+	
+	function testSystemLogin()
+	{
+		$ktapi = new KTAPI();
+		
+		$session = $ktapi->start_system_session();
+		$this->assertTrue(is_a($session,'KTAPI_SystemSession'));
+		$this->assertTrue($session->is_active());
+		
+		$session->logout();
+		$this->assertFalse($session->is_active());
+	}
+	
+	function testAnonymousLogin()
+	{
+		$ktapi = new KTAPI();
+		
+		$session = $ktapi->start_anonymous_session();
+		$this->assertTrue(is_a($session,'KTAPI_AnonymousSession'));
+		$this->assertTrue($session->is_active());
+		
+		$session->logout();
+		$this->assertFalse($session->is_active());
+	}
+	
+}
+?>
\ No newline at end of file
diff --git a/tests/api/document.php b/tests/api/document.php
new file mode 100644
index 0000000..a954a2a
--- /dev/null
+++ b/tests/api/document.php
@@ -0,0 +1,206 @@
+<?
+
+
+
+require_once(dirname(__FILE__) . '/../test.php');
+require_once(KT_DIR .  '/ktapi/ktapi.inc.php');
+
+class APIDocumentHelper
+{
+	function createRandomFile($content='this is some text')
+	 {
+	 	$temp = tempnam(dirname(__FILE__),'myfile');
+	 	$fp = fopen($temp, 'wt');
+	 	fwrite($fp, $content);	 	
+	 	fclose($fp);
+	 	
+	 	return $temp;
+	 }
+	
+	
+}
+
+
+class APIDocumentTestCase extends KTUnitTestCase 
+{
+	/**
+	 * @var KTAPI
+	 */
+	var $ktapi;
+	
+	/**
+	 * @var KTAPI_Folder
+	 */
+	var $root;
+	
+	var $session;
+	
+	 function setUp() 
+	 {
+	 	$this->ktapi = new KTAPI();
+	 	$this->session=$this->ktapi->start_system_session();
+	 	
+	 	$this->root = $this->ktapi->get_root_folder();
+	 	$this->assertTrue(is_a($this->root,'KTAPI_Folder'));
+	 	
+	 }
+	
+	 function tearDown() 
+	 {
+	 	$this->session->logout();
+	 }
+	 
+
+	 
+	 
+	 function testAddDocument()
+	 {
+	 	
+	 	return;
+	 	$randomFile = APIDocumentHelper::createRandomFile();
+	 	$this->assertTrue(is_file($randomFile));	 	
+	 	
+	 	$document = $this->root->add_document('testtitle.txt','testname.txt', 'Default', $randomFile);
+	 	$this->assertTrue(is_a($document, 'KTAPI_Document'));
+	 	
+	 	@unlink($randomFile);
+	 	
+	 	$documentid = $document->get_documentid();
+	 		 	
+	 	// get document
+	 	$document = $this->ktapi->get_document_by_id($documentid);
+	 	$this->assertTrue(is_a($document, 'KTAPI_Document'));
+	 	$this->assertEqual($document->get_title(),'testtitle.txt');
+	 	
+	 	$document->delete('because we can');
+	 	
+	 	// check if document still exists
+	 	$document = $this->ktapi->get_document_by_id($documentid);
+	 	$this->assertTrue(is_a($document, 'KTAPI_Document'));
+	 	$this->assertTrue($document->is_deleted());
+	 	
+	 	$document->expunge();
+	 	
+	 	// check if document still exists
+	 	$document = $this->ktapi->get_document_by_id($documentid);
+	 	$this->assertFalse(is_a($document, 'KTAPI_Document'));
+	 	
+	 	
+	 }
+	 
+	 function testCheckinDocument()
+	 {
+	 	return;
+	 	
+	 	$randomFile = APIDocumentHelper::createRandomFile();
+	 	$this->assertTrue(is_file($randomFile));
+	 	
+	 	$document = $this->root->add_document('testtitle.txt','testname.txt', 'Default', $randomFile);
+	 	$this->assertTrue(is_a($document, 'KTAPI_Document'));
+	 	
+	 	@unlink($randomFile);
+	 	$documentid = $document->get_documentid();
+	 	
+	 	// document should be checked in
+	 	$document = $this->ktapi->get_document_by_id($documentid);
+	 	$this->assertFalse($document->is_checked_out());
+	 	
+	 	$document->checkout('because');
+	 	
+	 	// document should now be checked out
+	 	$document = $this->ktapi->get_document_by_id($documentid);
+	 	$this->assertTrue($document->is_checked_out());
+	 	
+	 	$document->undo_checkout('because we want to undo it');
+
+	 	// document should be checked in
+	 	$document = $this->ktapi->get_document_by_id($documentid);
+	 	$this->assertFalse($document->is_checked_out());
+
+	 	$document->checkout('because');
+	 	
+	 	// document should now be checked out
+	 	$document = $this->ktapi->get_document_by_id($documentid);
+	 	$this->assertTrue($document->is_checked_out());
+	 	
+	 	// create another random file
+	 	$randomFile = APIDocumentHelper::createRandomFile('updating the previous content');
+	 	$this->assertTrue(is_file($randomFile));
+	 	
+	 	$document->checkin('testname.txt','updating', $randomFile);
+	 	@unlink($randomFile);
+	 	// document should be checked in
+	 	$document = $this->ktapi->get_document_by_id($documentid);
+	 	$this->assertFalse($document->is_checked_out());
+	 	
+	 	$document->delete('because we can');
+	 	$document->expunge();
+	 }
+	 
+	 function testAddingDuplicateTitle()
+	 {
+		$randomFile = APIDocumentHelper::createRandomFile();
+	 	$this->assertTrue(is_file($randomFile));
+	 		 	
+	 	$document = $this->root->add_document('testtitle.txt','testname.txt', 'Default', $randomFile);
+	 	$this->assertTrue(is_a($document, 'KTAPI_Document'));
+	 	$this->assertFalse(is_file($randomFile));
+	 	
+	 	
+	 	$documentid = $document->get_documentid();
+
+	 	// file would have been cleaned up because of the add_document
+	 	$randomFile = APIDocumentHelper::createRandomFile();
+	 	$this->assertTrue(is_file($randomFile));
+	 	
+	 	
+	 	// filenames must be the same as above
+	 	$document2 = $this->root->add_document('testtitle.txt','testname2.txt', 'Default', $randomFile);
+	 	$this->assertFalse(is_a($document2, 'KTAPI_Document'));
+	 	
+	 	@unlink($randomFile);
+	 	
+	 	$document->delete('because we can');
+	 	$document->expunge();
+	 	
+	 	if (is_a($document2, 'KTAPI_Document'))
+	 	{
+	 		$document2->delete('because we can');
+	 		$document2->expunge();
+	 	}
+	 	
+	 }
+	 
+	 function testAddingDuplicateFile()
+	 {
+		$randomFile = APIDocumentHelper::createRandomFile();
+	 	$this->assertTrue(is_file($randomFile));
+	 		 	
+	 	$document = $this->root->add_document('testtitle.txt','testname.txt', 'Default', $randomFile);
+	 	$this->assertTrue(is_a($document, 'KTAPI_Document'));
+	 	$this->assertFalse(is_file($randomFile));	 	
+	 	
+	 	$documentid = $document->get_documentid();
+	 	
+		$randomFile = APIDocumentHelper::createRandomFile();
+	 	$this->assertTrue(is_file($randomFile));
+	 	
+	 	// filenames must be the same as above
+	 	$document2 = $this->root->add_document('testtitle2.txt','testname.txt', 'Default', $randomFile);
+	 	$this->assertFalse(is_a($document2, 'KTAPI_Document'));
+	 	
+	 	@unlink($randomFile);
+	 	
+	 	$document->delete('because we can');
+	 	$document->expunge();
+	 	
+	 	if (is_a($document2, 'KTAPI_Document'))
+	 	{
+	 		$document2->delete('because we can');
+	 		$document2->expunge();
+	 	}
+	 }	 
+}
+
+
+?>
\ No newline at end of file
diff --git a/tests/api/folder.php b/tests/api/folder.php
new file mode 100644
index 0000000..0e71bc0
--- /dev/null
+++ b/tests/api/folder.php
@@ -0,0 +1,160 @@
+<?
+require_once(dirname(__FILE__) . '/../test.php');
+require_once(KT_DIR .  '/ktapi/ktapi.inc.php');
+
+class APIFolderTestCase extends KTUnitTestCase 
+{
+	/**
+	 * @var KTAPI
+	 */
+	var $ktapi;
+	var $session;
+	
+	 function setUp() 
+	 {
+	 	$this->ktapi = new KTAPI();
+	 	$this->session = $this->ktapi->start_system_session();
+	 }
+	
+	 function tearDown() 
+	 {
+	 	$this->session->logout();
+	 }
+	 
+	 function testCreateDuplicate()
+	 {
+	 	$root=$this->ktapi->get_root_folder();
+	 	$this->assertTrue(is_a($root,'KTAPI_Folder'));
+	 	
+	 	$folder = $root->add_folder('temp1');
+	 	$this->assertTrue(is_a($folder,'KTAPI_Folder'));
+	 	
+	 	$folder2 = $root->add_folder('temp1');
+	 	$this->assertFalse(is_a($folder2,'KTAPI_Folder'));
+	 	
+	 	$folder->delete('because');
+	 	if (is_a($folder2,'KTAPI_Folder'))
+	 	{
+	 		$folder2->delete('because');
+	 	}
+	 	
+	 }
+	 
+	 function testCreateFolders()
+	 {
+	 	$root=$this->ktapi->get_root_folder();
+	 	$this->assertTrue(is_a($root,'KTAPI_Folder'));
+	 	
+	 	$folder = $root->add_folder('temp1');
+	 	$this->assertTrue(is_a($folder,'KTAPI_Folder'));
+	 	
+	 	$folder2 = $folder->add_folder('temp2');
+	 	$this->assertTrue(is_a($folder,'KTAPI_Folder'));
+	 	
+	 	$folder3 = $root->add_folder('temp3');
+	 	$this->assertTrue(is_a($folder,'KTAPI_Folder'));
+
+	 	$folder4 = $folder3->add_folder('temp4');
+	 	$this->assertTrue(is_a($folder,'KTAPI_Folder'));
+	 	
+	 	$folderids = array(
+	 		'temp1'=>$folder->get_folderid(),
+	 		'temp2'=>$folder2->get_folderid(),
+	 		'temp3'=>$folder3->get_folderid(),
+	 		'temp4'=>$folder4->get_folderid()	 	
+	 	);
+	 	
+	 	unset($folder);	unset($folder2); unset($folder3); unset($folder4);
+	 	
+	 	$paths = array(
+	 		'temp1'=>'/temp1',
+	 		'temp2'=>'/temp1/temp2',
+	 		'temp3'=>'/temp3',
+	 		'temp4'=>'/temp3/temp4',
+	 	
+	 	);
+	 	
+	 	// test reference by name	 	
+	 	foreach($paths as $key=>$path)
+	 	{
+	 		$folder = $root->get_folder_by_name($path);
+	 		$this->assertTrue(is_a($folder,'KTAPI_Folder'));
+	 		if (!is_a($folder, 'KTAPI_Folder'))
+	 			continue;
+	 		
+	 		$this->assertTrue($folder->get_folderid() == $folderids[$key]);
+	 		$this->assertTrue($folder->get_full_path() == 'Root Folder' . $path);
+	 	}
+
+	 	// lets clean up
+	 	foreach($paths as $key=>$path)
+	 	{
+	 		$folder = $root->get_folder_by_name($path);
+	 		if (is_a($folder,'KTAPI_Folder'))
+	 		{
+	 			$folder->delete('because ' . $path);
+	 		}
+	 		$folder = $root->get_folder_by_name($path);
+	 		$this->assertTrue(is_a($folder,'PEAR_Error'));
+	 		
+	 	}
+	 }
+	 
+	 function testRename()
+	 {
+		$root=$this->ktapi->get_root_folder();
+	 	$this->assertTrue(is_a($root,'KTAPI_Folder'));
+	 	
+	 	// add a sample folder
+	 	$folder = $root->add_folder('newFolder');
+	 	$this->assertTrue(is_a($folder,'KTAPI_Folder'));
+	 	
+	 	$folderid = $folder->get_folderid();
+	 	
+	 	// rename the folder
+	 	$response = $folder->rename('renamedFolder');
+	 	$this->assertTrue(!is_a($response,'PEAR_Error'));
+	 	
+	 	// get the folder by id
+	 	$folder=$this->ktapi->get_folder_by_id($folderid);
+	 	$this->assertTrue(is_a($folder,'KTAPI_Folder'));
+	 	
+	 	$this->assertTrue($folder->get_folder_name() == 'renamedFolder');
+
+	 	$folder->delete('cleanup');
+	 	
+	 }
+	 
+	 
+	 function getSystemListing()
+	 {
+	 	// TODO .. can do anything as admin...
+	 }
+
+	 function getAnonymousListing()
+	 {
+	 	// TODO
+		// probably won't be able to do unless the api caters for setting up anonymous...	 	
+	 }
+
+	 function getUserListing()
+	 {
+	 	// TODO
+	 	
+	 }
+	 
+	 
+	 
+	 function copy()
+	 {
+	 	// TODO
+	 }
+	 
+	 function move()
+	 {
+	 	// TODO
+	 	
+	 }
+}
+
+?>
\ No newline at end of file