Merge upstream branch

30 files changed, 413 insertions, 236 deletions

diff --git a/tests/mocks/autoloader.php b/tests/mocks/autoloader.php
index 92c9bea59..88d016bba 100644
--- a/tests/mocks/autoloader.php
+++ b/tests/mocks/autoloader.php
@@ -7,9 +7,9 @@
 // Prototype :
 //
 // $mock_table = new Mock_Libraries_Table(); 			// Will load ./mocks/libraries/table.php
-// $mock_database_driver = new Mock_Database_Driver();	// Will load ./mocks/database/driver.php 
+// $mock_database_driver = new Mock_Database_Driver();	// Will load ./mocks/database/driver.php
 // and so on...
-function autoload($class) 
+function autoload($class)
 {
 	$dir = realpath(dirname(__FILE__)).DIRECTORY_SEPARATOR;
 
@@ -22,14 +22,18 @@ function autoload($class)
 	);
 
 	$ci_libraries = array(
-		'Calendar', 'Cart', 'Driver',
+		'Calendar', 'Cart', 'Driver_Library',
 		'Email', 'Encrypt', 'Form_validation',
 		'Ftp', 'Image_lib', 'Javascript',
 		'Log', 'Migration', 'Pagination',
-		'Parser', 'Profiler', 'Session',
-		'Table', 'Trackback', 'Typography',
-		'Unit_test', 'Upload', 'User_agent',
-		'Xmlrpc', 'Zip',
+		'Parser', 'Profiler', 'Table',
+	   	'Trackback', 'Typography', 'Unit_test',
+	   	'Upload', 'User_agent', 'Xmlrpc',
+	   	'Zip',
+	);
+
+	$ci_drivers = array(
+		'Session',
 	);
 
 	if (strpos($class, 'Mock_') === 0)
@@ -50,9 +54,18 @@ function autoload($class)
 		elseif (in_array($subclass, $ci_libraries))
 		{
 			$dir = BASEPATH.'libraries'.DIRECTORY_SEPARATOR;
+			$class = ($subclass === 'Driver_Library') ? 'Driver' : $subclass;
+		}
+		elseif (in_array($subclass, $ci_drivers))
+		{
+			$dir = BASEPATH.'libraries'.DIRECTORY_SEPARATOR.$subclass.DIRECTORY_SEPARATOR;
+			$class = $subclass;
+		}
+		elseif (in_array(($parent = strtok($subclass, '_')), $ci_drivers)) {
+			$dir = BASEPATH.'libraries'.DIRECTORY_SEPARATOR.$parent.DIRECTORY_SEPARATOR.'drivers'.DIRECTORY_SEPARATOR;
 			$class = $subclass;
 		}
-		elseif (preg_match('/^CI_DB_(.+)_(driver|forge|result|utility)$/', $class, $m) && count($m) == 3)
+		elseif (preg_match('/^CI_DB_(.+)_(driver|forge|result|utility)$/', $class, $m) && count($m) === 3)
 		{
 			$driver_path = BASEPATH.'database'.DIRECTORY_SEPARATOR.'drivers'.DIRECTORY_SEPARATOR;
 			$dir = $driver_path.$m[1].DIRECTORY_SEPARATOR;
@@ -75,15 +88,20 @@ function autoload($class)
 	{
 		$trace = debug_backtrace();
 
-		// If the autoload call came from `class_exists` or `file_exists`, 
-		// we skipped and return FALSE
-		if ($trace[2]['function'] == 'class_exists' OR $trace[2]['function'] == 'file_exists')
+		if ($trace[2]['function'] === 'class_exists' OR $trace[2]['function'] === 'file_exists')
 		{
+			// If the autoload call came from `class_exists` or `file_exists`,
+			// we skipped and return FALSE
 			return FALSE;
 		}
-		
-	    throw new InvalidArgumentException("Unable to load $class.");
+		elseif (($autoloader = spl_autoload_functions()) && end($autoloader) !== __FUNCTION__)
+		{
+			// If there was other custom autoloader, passed away
+			return FALSE;
+		}
+
+		throw new InvalidArgumentException("Unable to load {$class}.");
 	}
 
 	include_once($file);
-}
\ No newline at end of file
+}
diff --git a/tests/mocks/ci_testcase.php b/tests/mocks/ci_testcase.php
index f327e6b07..eda9e1b60 100644
--- a/tests/mocks/ci_testcase.php
+++ b/tests/mocks/ci_testcase.php
@@ -1,11 +1,11 @@
 <?php
 
 class CI_TestCase extends PHPUnit_Framework_TestCase {
-	
+
 	protected $ci_config;
 	protected $ci_instance;
 	protected static $ci_test_instance;
-		
+
 	private $global_map = array(
 		'benchmark'	=> 'bm',
 		'config'	=> 'cfg',
@@ -19,18 +19,17 @@ class CI_TestCase extends PHPUnit_Framework_TestCase {
 		'loader'	=> 'load',
 		'model'		=> 'model'
 	);
-	
+
 	// --------------------------------------------------------------------
-	
+
 	public function __construct()
 	{
 		parent::__construct();
-		
 		$this->ci_config = array();
 	}
-	
+
 	// --------------------------------------------------------------------
-	
+
 	public function setUp()
 	{
 		if (method_exists($this, 'set_up'))
@@ -38,10 +37,10 @@ class CI_TestCase extends PHPUnit_Framework_TestCase {
 			$this->set_up();
 		}
 	}
-	
+
 	// --------------------------------------------------------------------
-	
-	public function tearDown() 
+
+	public function tearDown()
 	{
 		if (method_exists($this, 'tear_down'))
 		{
@@ -50,15 +49,15 @@ class CI_TestCase extends PHPUnit_Framework_TestCase {
 	}
 
 	// --------------------------------------------------------------------
-	
+
 	public static function instance()
 	{
 		return self::$ci_test_instance;
 	}
-	
+
 	// --------------------------------------------------------------------
-	
-	function ci_set_config($key, $val = '')
+
+	public function ci_set_config($key, $val = '')
 	{
 		if (is_array($key))
 		{
@@ -71,36 +70,36 @@ class CI_TestCase extends PHPUnit_Framework_TestCase {
 	}
 
 	// --------------------------------------------------------------------
-	
-	function ci_get_config()
+
+	public function ci_get_config()
 	{
 		return $this->ci_config;
 	}
-	
+
 	// --------------------------------------------------------------------
-	
-	function ci_instance($obj = FALSE)
+
+	public function ci_instance($obj = FALSE)
 	{
 		if ( ! is_object($obj))
 		{
 			return $this->ci_instance;
 		}
-		
+
 		$this->ci_instance = $obj;
 	}
-	
+
 	// --------------------------------------------------------------------
-	
-	function ci_instance_var($name, $obj = FALSE)
+
+	public function ci_instance_var($name, $obj = FALSE)
 	{
 		if ( ! is_object($obj))
 		{
 			return $this->ci_instance->$name;
 		}
-		
+
 		$this->ci_instance->$name =& $obj;
 	}
-	
+
 	// --------------------------------------------------------------------
 
 	/**
@@ -112,10 +111,10 @@ class CI_TestCase extends PHPUnit_Framework_TestCase {
 	 * test can modify the variable it assigns to and
 	 * still maintain the global.
 	 */
-	function &ci_core_class($name)
+	public function &ci_core_class($name)
 	{
 		$name = strtolower($name);
-		
+
 		if (isset($this->global_map[$name]))
 		{
 			$class_name = ucfirst($name);
@@ -130,29 +129,29 @@ class CI_TestCase extends PHPUnit_Framework_TestCase {
 		{
 			throw new Exception('Not a valid core class.');
 		}
-		
+
 		if ( ! class_exists('CI_'.$class_name))
 		{
 			require_once BASEPATH.'core/'.$class_name.'.php';
 		}
-		
+
 		$GLOBALS[strtoupper($global_name)] = 'CI_'.$class_name;
 		return $GLOBALS[strtoupper($global_name)];
 	}
-	
+
 	// --------------------------------------------------------------------
-	
+
 	// convenience function for global mocks
-	function ci_set_core_class($name, $obj)
+	public function ci_set_core_class($name, $obj)
 	{
 		$orig =& $this->ci_core_class($name);
 		$orig = $obj;
 	}
-	
+
 	// --------------------------------------------------------------------
 	// Internals
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Overwrite runBare
 	 *
@@ -169,28 +168,27 @@ class CI_TestCase extends PHPUnit_Framework_TestCase {
 	}
 
 	// --------------------------------------------------------------------
-	
-	function helper($name)
+
+	public function helper($name)
 	{
 		require_once(BASEPATH.'helpers/'.$name.'_helper.php');
 	}
 
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * This overload is useful to create a stub, that need to have a specific method.
 	 */
-	function __call($method, $args)
+	public function __call($method, $args)
 	{
-		if ($this->{$method} instanceof Closure) 
+		if ($this->{$method} instanceof Closure)
 		{
 			return call_user_func_array($this->{$method},$args);
-		} 
-		else 
+		}
+		else
 		{
 			return parent::__call($method, $args);
 		}
 	}
-}
 
-// EOF
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/tests/mocks/core/common.php b/tests/mocks/core/common.php
index fc94d7fff..a655ee1db 100644
--- a/tests/mocks/core/common.php
+++ b/tests/mocks/core/common.php
@@ -2,53 +2,65 @@
 
 // Set up the global CI functions in their most minimal core representation
 
-function &get_instance() 
+if ( ! function_exists('get_instance'))
 {
-	$test = CI_TestCase::instance();
-	$instance = $test->ci_instance();
-	return $instance;
+	function &get_instance()
+	{
+		$test = CI_TestCase::instance();
+		$test = $test->ci_instance();
+		return $test;
+	}
 }
 
 // --------------------------------------------------------------------
 
-function &get_config() {
-	$test = CI_TestCase::instance();
-	$config = $test->ci_get_config();
-		
-	return $config;
+if ( ! function_exists('get_config'))
+{
+	function &get_config()
+	{
+		$test = CI_TestCase::instance();
+		$config = $test->ci_get_config();
+		return $config;
+	}
 }
 
-function config_item($item)
+if ( ! function_exists('config_item'))
 {
-	$config =& get_config();
-	
-	if ( ! isset($config[$item]))
+	function config_item($item)
 	{
-		return FALSE;
+		$config =& get_config();
+
+		if ( ! isset($config[$item]))
+		{
+			return FALSE;
+		}
+
+		return $config[$item];
 	}
-	
-	return $config[$item];
 }
 
 // --------------------------------------------------------------------
 
-function load_class($class, $directory = 'libraries', $prefix = 'CI_')
+if ( ! function_exists('load_class'))
 {
-	if ($directory != 'core' OR $prefix != 'CI_')
+	function load_class($class, $directory = 'libraries', $prefix = 'CI_')
 	{
-		throw new Exception('Not Implemented: Non-core load_class()');
-	}
-	
-	$test = CI_TestCase::instance();
-	
-	$obj =& $test->ci_core_class($class);
-	
-	if (is_string($obj))
-	{
-		throw new Exception('Bad Isolation: Use ci_set_core_class to set '.$class.'');
+		if ($directory !== 'core' OR $prefix !== 'CI_')
+		{
+			throw new Exception('Not Implemented: Non-core load_class()');
+		}
+
+		$test = CI_TestCase::instance();
+
+		$obj =& $test->ci_core_class($class);
+
+		if (is_string($obj))
+		{
+			throw new Exception('Bad Isolation: Use ci_set_core_class to set '.$class);
+		}
+
+		return $obj;
 	}
-	
-	return $obj;
 }
 
 // This is sort of meh. Should probably be mocked up with
@@ -57,76 +69,101 @@ function load_class($class, $directory = 'libraries', $prefix = 'CI_')
 // bootstrap testsuite.
 // --------------------------------------------------------------------
 
-function remove_invisible_characters($str, $url_encoded = TRUE)
+if ( ! function_exists('remove_invisible_characters'))
 {
-	$non_displayables = array();
-	
-	// every control character except newline (dec 10)
-	// carriage return (dec 13), and horizontal tab (dec 09)
-	
-	if ($url_encoded)
+	function remove_invisible_characters($str, $url_encoded = TRUE)
 	{
-		$non_displayables[] = '/%0[0-8bcef]/';	// url encoded 00-08, 11, 12, 14, 15
-		$non_displayables[] = '/%1[0-9a-f]/';	// url encoded 16-31
-	}
-	
-	$non_displayables[] = '/[\x00-\x08\x0B\x0C\x0E-\x1F\x7F]+/S';	// 00-08, 11, 12, 14-31, 127
+		$non_displayables = array();
 
-	do
-	{
-		$str = preg_replace($non_displayables, '', $str, -1, $count);
-	}
-	while ($count);
+		// every control character except newline (dec 10)
+		// carriage return (dec 13), and horizontal tab (dec 09)
+
+		if ($url_encoded)
+		{
+			$non_displayables[] = '/%0[0-8bcef]/';	// url encoded 00-08, 11, 12, 14, 15
+			$non_displayables[] = '/%1[0-9a-f]/';	// url encoded 16-31
+		}
+
+		$non_displayables[] = '/[\x00-\x08\x0B\x0C\x0E-\x1F\x7F]+/S';	// 00-08, 11, 12, 14-31, 127
+
+		do
+		{
+			$str = preg_replace($non_displayables, '', $str, -1, $count);
+		}
+		while ($count);
 
-	return $str;
+		return $str;
+	}
 }
 
 
 // Clean up error messages
 // --------------------------------------------------------------------
 
-function show_error($message, $status_code = 500, $heading = 'An Error Was Encountered')
+if ( ! function_exists('show_error'))
 {
-	throw new RuntimeException('CI Error: '.$message);
+	function show_error($message, $status_code = 500, $heading = 'An Error Was Encountered')
+	{
+		throw new RuntimeException('CI Error: '.$message);
+	}
 }
 
-function show_404($page = '', $log_error = TRUE)
+if ( ! function_exists('show_404'))
 {
-	throw new RuntimeException('CI Error: 404');
+	function show_404($page = '', $log_error = TRUE)
+	{
+		throw new RuntimeException('CI Error: 404');
+	}
 }
 
-function _exception_handler($severity, $message, $filepath, $line)
+if ( ! function_exists('_exception_handler'))
 {
-	throw new RuntimeException('CI Exception: '.$message.' | '.$filepath.' | '.$line);
+	function _exception_handler($severity, $message, $filepath, $line)
+	{
+		throw new RuntimeException('CI Exception: '.$message.' | '.$filepath.' | '.$line);
+	}
 }
 
 
 // We assume a few things about our environment ...
 // --------------------------------------------------------------------
 
-function is_php($version = '5.0.0')
+if ( ! function_exists('is_php'))
 {
-	return ! (version_compare(PHP_VERSION, $version) < 0);
+	function is_php($version = '5.0.0')
+	{
+		return ! (version_compare(PHP_VERSION, $version) < 0);
+	}
 }
 
-function is_really_writable($file)
+if ( ! function_exists('is_really_writable'))
 {
-	return is_writable($file);
+	function is_really_writable($file)
+	{
+		return is_writable($file);
+	}
 }
 
-function is_loaded()
+if ( ! function_exists('is_loaded'))
 {
-	throw new Exception('Bad Isolation: mock up environment');
+	function is_loaded()
+	{
+		throw new Exception('Bad Isolation: mock up environment');
+	}
 }
 
-function log_message($level = 'error', $message, $php_error = FALSE)
+if ( ! function_exists('log_message'))
 {
-	return TRUE;
+	function log_message($level = 'error', $message, $php_error = FALSE)
+	{
+		return TRUE;
+	}
 }
 
-function set_status_header($code = 200, $text = '')
+if ( ! function_exists('set_status_header'))
 {
-	return TRUE;
-}
-
-// EOF
\ No newline at end of file
+	function set_status_header($code = 200, $text = '')
+	{
+		return TRUE;
+	}
+}
\ No newline at end of file
diff --git a/tests/mocks/core/input.php b/tests/mocks/core/input.php
index 8a337d2ef..2a4aa4997 100644
--- a/tests/mocks/core/input.php
+++ b/tests/mocks/core/input.php
@@ -1,10 +1,10 @@
 <?php
 
 class Mock_Core_Input extends CI_Input {
-	
+
 	/**
-	 * Since we use GLOBAL to fetch Security and Utf8 classes, 
-	 * we need to use inversion of control to mock up 
+	 * Since we use GLOBAL to fetch Security and Utf8 classes,
+	 * we need to use inversion of control to mock up
 	 * the same process within CI_Input class constructor.
 	 *
 	 * @covers CI_Input::__construct()
diff --git a/tests/mocks/core/lang.php b/tests/mocks/core/lang.php
new file mode 100644
index 000000000..1b99aedb3
--- /dev/null
+++ b/tests/mocks/core/lang.php
@@ -0,0 +1,15 @@
+<?php
+
+class Mock_Core_Lang extends CI_Lang {
+
+	function line($line = '')
+	{
+		return FALSE;
+	}
+
+	function load($langfile, $idiom = '', $return = false, $add_suffix = true, $alt_path = '')
+	{
+		return;
+	}
+
+}
\ No newline at end of file
diff --git a/tests/mocks/core/loader.php b/tests/mocks/core/loader.php
index d4b29bb3d..53d88d55b 100644
--- a/tests/mocks/core/loader.php
+++ b/tests/mocks/core/loader.php
@@ -1,7 +1,7 @@
 <?php
 
 class Mock_Core_Loader extends CI_Loader {
-	
+
 	/**
 	 * Since we use paths to load up models, views, etc, we need the ability to
 	 * mock up the file system so when core tests are run, we aren't mucking
@@ -15,16 +15,17 @@ class Mock_Core_Loader extends CI_Loader {
 	{
 		vfsStreamWrapper::register();
 		vfsStreamWrapper::setRoot(new vfsStreamDirectory('application'));
-		
+
 		$this->models_dir 	= vfsStream::newDirectory('models')->at(vfsStreamWrapper::getRoot());
 		$this->libs_dir 	= vfsStream::newDirectory('libraries')->at(vfsStreamWrapper::getRoot());
 		$this->helpers_dir 	= vfsStream::newDirectory('helpers')->at(vfsStreamWrapper::getRoot());
 		$this->views_dir 	= vfsStream::newDirectory('views')->at(vfsStreamWrapper::getRoot());
-		
+
 		$this->_ci_ob_level  		= ob_get_level();
 		$this->_ci_library_paths	= array(vfsStream::url('application').'/', BASEPATH);
 		$this->_ci_helper_paths 	= array(vfsStream::url('application').'/', BASEPATH);
 		$this->_ci_model_paths 		= array(vfsStream::url('application').'/');
 		$this->_ci_view_paths 		= array(vfsStream::url('application').'/views/' => TRUE);
 	}
+
 }
\ No newline at end of file
diff --git a/tests/mocks/core/security.php b/tests/mocks/core/security.php
index d7ea0e6bd..e19a8b20b 100644
--- a/tests/mocks/core/security.php
+++ b/tests/mocks/core/security.php
@@ -1,7 +1,7 @@
 <?php
 
 class Mock_Core_Security extends CI_Security {
-	
+
 	public function csrf_set_cookie()
 	{
 		// We cannot set cookie in CLI mode, so for csrf test, who rely on $_COOKIE,
diff --git a/tests/mocks/core/uri.php b/tests/mocks/core/uri.php
index b6946091e..94f75df64 100644
--- a/tests/mocks/core/uri.php
+++ b/tests/mocks/core/uri.php
@@ -1,12 +1,12 @@
 <?php
 
 class Mock_Core_URI extends CI_URI {
-	
+
 	public function __construct()
 	{
 		$test = CI_TestCase::instance();
 		$cls =& $test->ci_core_class('cfg');
-		
+
 		// set predictable config values
 		$test->ci_set_config(array(
 			'index_page'		=> 'index.php',
@@ -14,12 +14,13 @@ class Mock_Core_URI extends CI_URI {
 			'subclass_prefix'	=> 'MY_'
 		));
 
-		$this->config = new $cls;	
+		$this->config = new $cls;
 
 	}
-	
+
 	protected function _is_cli_request()
 	{
 		return FALSE;
 	}
+
 }
\ No newline at end of file
diff --git a/tests/mocks/core/utf8.php b/tests/mocks/core/utf8.php
index b77d717e7..068e74ac1 100644
--- a/tests/mocks/core/utf8.php
+++ b/tests/mocks/core/utf8.php
@@ -1,27 +1,26 @@
 <?php
 
 class Mock_Core_Utf8 extends CI_Utf8 {
-	
+
 	/**
-	 * We need to define several constants as 
+	 * We need to define several constants as
 	 * the same process within CI_Utf8 class constructor.
 	 *
 	 * @covers CI_Utf8::__construct()
 	 */
 	public function __construct()
 	{
-		defined('UTF8_ENABLED') or define('UTF8_ENABLED', TRUE);
+		defined('UTF8_ENABLED') OR define('UTF8_ENABLED', TRUE);
 
 		if (extension_loaded('mbstring'))
 		{
-			defined('MB_ENABLED') or define('MB_ENABLED', TRUE);
+			defined('MB_ENABLED') OR define('MB_ENABLED', TRUE);
 			mb_internal_encoding('UTF-8');
 		}
 		else
 		{
-			defined('MB_ENABLED') or define('MB_ENABLED', FALSE);
+			defined('MB_ENABLED') OR define('MB_ENABLED', FALSE);
 		}
-		
 	}
 
 }
\ No newline at end of file
diff --git a/tests/mocks/database/ci_test.sqlite b/tests/mocks/database/ci_test.sqlite
index 23a3de2a4..44dcef9ec 100755
--- a/tests/mocks/database/ci_test.sqlite
+++ b/tests/mocks/database/ci_test.sqlite
diff --git a/tests/mocks/database/config/mysql.php b/tests/mocks/database/config/mysql.php
index ace0a31b1..a590b9f53 100644
--- a/tests/mocks/database/config/mysql.php
+++ b/tests/mocks/database/config/mysql.php
@@ -1,7 +1,7 @@
 <?php
 
 return array(
-	
+
 	// Typical Database configuration
 	'mysql' => array(
 		'dsn' => '',
@@ -9,7 +9,7 @@ return array(
 		'username' => 'travis',
 		'password' => '',
 		'database' => 'ci_test',
-		'dbdriver' => 'mysql',
+		'dbdriver' => 'mysql'
 	),
 
 	// Database configuration with failover
@@ -28,7 +28,7 @@ return array(
 				'password' => '',
 				'database' => 'ci_test',
 				'dbdriver' => 'mysql',
-			),
-		),
-	),
+			)
+		)
+	)
 );
\ No newline at end of file
diff --git a/tests/mocks/database/config/pdo/mysql.php b/tests/mocks/database/config/pdo/mysql.php
index cefb6b008..96608f787 100644
--- a/tests/mocks/database/config/pdo/mysql.php
+++ b/tests/mocks/database/config/pdo/mysql.php
@@ -1,16 +1,16 @@
 <?php
 
 return array(
-	
+
 	// Typical Database configuration
 	'pdo/mysql' => array(
-		'dsn' => '',
+		'dsn' => 'mysql:host=localhost;dbname=ci_test',
 		'hostname' => 'localhost',
 		'username' => 'travis',
 		'password' => '',
 		'database' => 'ci_test',
 		'dbdriver' => 'pdo',
-		'pdodriver' => 'mysql',
+		'subdriver' => 'mysql'
 	),
 
 	// Database configuration with failover
@@ -21,17 +21,17 @@ return array(
 		'password' => 'wrong password',
 		'database' => 'not_ci_test',
 		'dbdriver' => 'pdo',
-		'pdodriver' => 'mysql',
+		'subdriver' => 'mysql',
 		'failover' => array(
 			array(
-				'dsn' => '',
+				'dsn' => 'mysql:host=localhost;dbname=ci_test',
 				'hostname' => 'localhost',
 				'username' => 'travis',
 				'password' => '',
 				'database' => 'ci_test',
 				'dbdriver' => 'pdo',
-				'pdodriver' => 'mysql',
-			),
-		),
-	),
+				'subdriver' => 'mysql'
+			)
+		)
+	)
 );
\ No newline at end of file
diff --git a/tests/mocks/database/config/pdo/pgsql.php b/tests/mocks/database/config/pdo/pgsql.php
index 5196e9ad9..e55e3ea77 100644
--- a/tests/mocks/database/config/pdo/pgsql.php
+++ b/tests/mocks/database/config/pdo/pgsql.php
@@ -1,7 +1,7 @@
 <?php
 
 return array(
-	
+
 	// Typical Database configuration
 	'pdo/pgsql' => array(
 		'dsn' => 'pgsql:host=localhost;port=5432;dbname=ci_test;',
@@ -10,7 +10,7 @@ return array(
 		'password' => '',
 		'database' => 'ci_test',
 		'dbdriver' => 'pdo',
-		'pdodriver' => 'pgsql',
+		'subdriver' => 'pgsql'
 	),
 
 	// Database configuration with failover
@@ -21,7 +21,7 @@ return array(
 		'password' => 'wrong password',
 		'database' => 'not_ci_test',
 		'dbdriver' => 'pdo',
-		'pdodriver' => 'pgsql',
+		'subdriver' => 'pgsql',
 		'failover' => array(
 			array(
 				'dsn' => 'pgsql:host=localhost;port=5432;dbname=ci_test;',
@@ -30,8 +30,8 @@ return array(
 				'password' => '',
 				'database' => 'ci_test',
 				'dbdriver' => 'pdo',
-				'pdodriver' => 'pgsql',
-			),
-		),
-	),
+				'subdriver' => 'pgsql'
+			)
+		)
+	)
 );
\ No newline at end of file
diff --git a/tests/mocks/database/config/pdo/sqlite.php b/tests/mocks/database/config/pdo/sqlite.php
index c68b4b213..1bf56b3ac 100644
--- a/tests/mocks/database/config/pdo/sqlite.php
+++ b/tests/mocks/database/config/pdo/sqlite.php
@@ -10,7 +10,7 @@ return array(
 		'password' => 'sqlite',
 		'database' => 'sqlite',
 		'dbdriver' => 'pdo',
-		'pdodriver' => 'sqlite',
+		'subdriver' => 'sqlite'
 	),
 
 	// Database configuration with failover
@@ -21,7 +21,7 @@ return array(
 		'password' => 'sqlite',
 		'database' => 'sqlite',
 		'dbdriver' => 'pdo',
-		'pdodriver' => 'sqlite',
+		'subdriver' => 'sqlite',
 		'failover' => array(
 			array(
 				'dsn' => 'sqlite:/'.realpath(__DIR__.'/../..').'/ci_test.sqlite',
@@ -29,9 +29,9 @@ return array(
 				'username' => 'sqlite',
 				'password' => 'sqlite',
 				'database' => 'sqlite',
-				'dbdriver' => 'pdo', 
-				'pdodriver' => 'sqlite',
-			),
-		),
-	),
+				'dbdriver' => 'pdo',
+				'subdriver' => 'sqlite'
+			)
+		)
+	)
 );
\ No newline at end of file
diff --git a/tests/mocks/database/config/pgsql.php b/tests/mocks/database/config/pgsql.php
index c06af8ce0..1444b0066 100644
--- a/tests/mocks/database/config/pgsql.php
+++ b/tests/mocks/database/config/pgsql.php
@@ -1,7 +1,7 @@
 <?php
 
 return array(
-	
+
 	// Typical Database configuration
 	'pgsql' => array(
 		'dsn' => '',
@@ -9,7 +9,7 @@ return array(
 		'username' => 'postgres',
 		'password' => '',
 		'database' => 'ci_test',
-		'dbdriver' => 'postgre',
+		'dbdriver' => 'postgre'
 	),
 
 	// Database configuration with failover
@@ -28,7 +28,7 @@ return array(
 				'password' => '',
 				'database' => 'ci_test',
 				'dbdriver' => 'postgre',
-			),
-		),
-	),
+			)
+		)
+	)
 );
\ No newline at end of file
diff --git a/tests/mocks/database/config/sqlite.php b/tests/mocks/database/config/sqlite.php
index 755ce2a3a..d37ee4871 100644
--- a/tests/mocks/database/config/sqlite.php
+++ b/tests/mocks/database/config/sqlite.php
@@ -9,7 +9,7 @@ return array(
 		'username' => 'sqlite',
 		'password' => 'sqlite',
 		'database' => realpath(__DIR__.'/..').'/ci_test.sqlite',
-		'dbdriver' => 'sqlite3',
+		'dbdriver' => 'sqlite3'
 	),
 
 	// Database configuration with failover
@@ -27,8 +27,8 @@ return array(
 				'username' => 'sqlite',
 				'password' => 'sqlite',
 				'database' => realpath(__DIR__.'/..').'/ci_test.sqlite',
-				'dbdriver' => 'sqlite3',
-			),
-		),
-	),
+				'dbdriver' => 'sqlite3'
+			)
+		)
+	)
 );
\ No newline at end of file
diff --git a/tests/mocks/database/db.php b/tests/mocks/database/db.php
index 59028ed9c..75658530b 100644
--- a/tests/mocks/database/db.php
+++ b/tests/mocks/database/db.php
@@ -6,7 +6,7 @@ class Mock_Database_DB {
 	 * @var array DB configuration
 	 */
 	private $config = array();
-	
+
 	/**
 	 * Prepare database configuration skeleton
 	 *
@@ -21,7 +21,7 @@ class Mock_Database_DB {
 	/**
 	 * Build DSN connection string for DB driver instantiate process
 	 *
-	 * @param 	string 	Group name 		
+	 * @param 	string 	Group name
 	 * @return 	string 	DSN Connection string
 	 */
 	public function set_dsn($group = 'default')
@@ -45,9 +45,9 @@ class Mock_Database_DB {
 		);
 
 		$config = array_merge($this->config[$group], $params);
-		$dsnstring = ( ! empty($config['dsn'])) ? $config['dsn'] : FALSE;
-		$pdodriver = ( ! empty($config['pdodriver'])) ? $config['pdodriver'] : FALSE;
-		$failover = ( ! empty($config['failover'])) ? $config['failover'] : FALSE;
+		$dsnstring = empty($config['dsn']) ? FALSE : $config['dsn'];
+		$subdriver = empty($config['subdriver']) ? FALSE: $config['subdriver'];
+		$failover = empty($config['failover']) ? FALSE : $config['failover'];
 
 		$dsn = $config['dbdriver'].'://'.$config['username'].':'.$config['password']
 			       .'@'.$config['hostname'].'/'.$config['database'];
@@ -55,7 +55,7 @@ class Mock_Database_DB {
 		// Build the parameter
 		$other_params = array_slice($config, 6);
 		if ($dsnstring) $other_params['dsn'] = $dsnstring;
-		if ($pdodriver) $other_params['pdodriver'] = $pdodriver;
+		if ($subdriver) $other_params['subdriver'] = $subdriver;
 		if ($failover) $other_params['failover'] = $failover;
 
 		return $dsn.'?'.http_build_query($other_params);
@@ -65,28 +65,27 @@ class Mock_Database_DB {
 	 * Return a database config array
 	 *
 	 * @see 	./config
-	 * @param 	string 		Driver based configuration
-	 * @return 	array 		
+	 * @param	string	Driver based configuration
+	 * @return	array
 	 */
 	public static function config($driver)
 	{
 		$dir = realpath(dirname(__FILE__)).DIRECTORY_SEPARATOR;
-
 		return include($dir.'config'.DIRECTORY_SEPARATOR.$driver.'.php');
 	}
 
 	/**
 	 * Main DB method wrapper
 	 *
-	 * @param 	string 		Group or DSN string
-	 * @param 	bool 		
-	 * @return 	object 		
+	 * @param 	string	Group or DSN string
+	 * @param 	bool
+	 * @return 	object
 	 */
 	public static function DB($group, $query_builder = FALSE)
 	{
 		include_once(BASEPATH.'database/DB.php');
 
-		try 
+		try
 		{
 			$db = DB($group, $query_builder);
 		}
@@ -97,4 +96,5 @@ class Mock_Database_DB {
 
 		return $db;
 	}
+
 }
\ No newline at end of file
diff --git a/tests/mocks/database/db/driver.php b/tests/mocks/database/db/driver.php
index cb1820277..65ac2c4cc 100644
--- a/tests/mocks/database/db/driver.php
+++ b/tests/mocks/database/db/driver.php
@@ -1,7 +1,7 @@
 <?php
 
 class Mock_Database_DB_Driver extends CI_DB_driver {
-	
+
 	/**
 	 * @var object The actual Driver
 	 */
@@ -16,7 +16,10 @@ class Mock_Database_DB_Driver extends CI_DB_driver {
 	 */
 	public function __construct($driver_class, $config = array())
 	{
-		if (is_string($driver_class)) $this->ci_db_driver = new $driver_class($config);
+		if (is_string($driver_class))
+		{
+			$this->ci_db_driver = new $driver_class($config);
+		}
 	}
 
 	/**
diff --git a/tests/mocks/database/db/querybuilder.php b/tests/mocks/database/db/querybuilder.php
index 1b95c92af..3f2252622 100644
--- a/tests/mocks/database/db/querybuilder.php
+++ b/tests/mocks/database/db/querybuilder.php
@@ -1,10 +1,3 @@
 <?php
 
-if ( ! class_exists('CI_DB_query_builder'))
-{
-	class Mock_Database_DB_QueryBuilder extends CI_DB_active_record {}
-}
-else
-{
-	class Mock_Database_DB_QueryBuilder extends CI_DB_query_builder {}
-}
+class Mock_Database_DB_QueryBuilder extends CI_DB_query_builder {}
\ No newline at end of file
diff --git a/tests/mocks/database/drivers/mysql.php b/tests/mocks/database/drivers/mysql.php
index 34a74e2bf..e0c1fb06c 100644
--- a/tests/mocks/database/drivers/mysql.php
+++ b/tests/mocks/database/drivers/mysql.php
@@ -1,16 +1,17 @@
 <?php
 
 class Mock_Database_Drivers_Mysql extends Mock_Database_DB_Driver {
-	
+
 	/**
 	 * Instantiate the database driver
 	 *
-	 * @param  string 	DB Driver class name
-	 * @param  array 	DB configuration to set
-	 * @return void
+	 * @param	string	DB Driver class name
+	 * @param	array	DB configuration to set
+	 * @return	void
 	 */
 	public function __construct($config = array())
 	{
 		parent::__construct('CI_DB_mysql_driver', $config);
 	}
+
 }
\ No newline at end of file
diff --git a/tests/mocks/database/drivers/pdo.php b/tests/mocks/database/drivers/pdo.php
index 590e19552..17768eed7 100644
--- a/tests/mocks/database/drivers/pdo.php
+++ b/tests/mocks/database/drivers/pdo.php
@@ -1,13 +1,13 @@
 <?php
 
 class Mock_Database_Drivers_PDO extends Mock_Database_DB_Driver {
-	
+
 	/**
 	 * Instantiate the database driver
 	 *
-	 * @param  string 	DB Driver class name
-	 * @param  array 	DB configuration to set
-	 * @return void
+	 * @param	string	DB Driver class name
+	 * @param	array	DB configuration to set
+	 * @return	void
 	 */
 	public function __construct($config = array())
 	{
diff --git a/tests/mocks/database/drivers/postgre.php b/tests/mocks/database/drivers/postgre.php
index 0df905963..5a45115fa 100644
--- a/tests/mocks/database/drivers/postgre.php
+++ b/tests/mocks/database/drivers/postgre.php
@@ -1,16 +1,17 @@
 <?php
 
 class Mock_Database_Drivers_Postgre extends Mock_Database_DB_Driver {
-	
+
 	/**
 	 * Instantiate the database driver
 	 *
-	 * @param  string 	DB Driver class name
-	 * @param  array 	DB configuration to set
-	 * @return void
+	 * @param	string	DB Driver class name
+	 * @param	array	DB configuration to set
+	 * @return	void
 	 */
 	public function __construct($config = array())
 	{
 		parent::__construct('CI_DB_postgre_driver', $config);
 	}
+
 }
\ No newline at end of file
diff --git a/tests/mocks/database/drivers/sqlite.php b/tests/mocks/database/drivers/sqlite.php
index 76a182cbf..512467520 100644
--- a/tests/mocks/database/drivers/sqlite.php
+++ b/tests/mocks/database/drivers/sqlite.php
@@ -1,16 +1,17 @@
 <?php
 
 class Mock_Database_Drivers_Sqlite extends Mock_Database_DB_Driver {
-	
+
 	/**
 	 * Instantiate the database driver
 	 *
-	 * @param  string 	DB Driver class name
-	 * @param  array 	DB configuration to set
-	 * @return void
+	 * @param	string	DB Driver class name
+	 * @param	array	DB configuration to set
+	 * @return	void
 	 */
 	public function __construct($config = array())
 	{
 		parent::__construct('CI_DB_sqlite3_driver', $config);
 	}
+
 }
\ No newline at end of file
diff --git a/tests/mocks/database/schema/skeleton.php b/tests/mocks/database/schema/skeleton.php
index 671336cc4..18e1ddd4d 100644
--- a/tests/mocks/database/schema/skeleton.php
+++ b/tests/mocks/database/schema/skeleton.php
@@ -41,8 +41,7 @@ class Mock_Database_Schema_Skeleton {
 
 		return static::$db;
 	}
-	
-	
+
 	/**
 	 * Create the dummy tables
 	 *
@@ -54,20 +53,20 @@ class Mock_Database_Schema_Skeleton {
 		static::$forge->add_field(array(
 			'id' => array(
 				'type' => 'INTEGER',
-				'constraint' => 3,
+				'constraint' => 3
 			),
 			'name' => array(
 				'type' => 'VARCHAR',
-				'constraint' => 40,
+				'constraint' => 40
 			),
 			'email' => array(
 				'type' => 'VARCHAR',
-				'constraint' => 100,
+				'constraint' => 100
 			),
 			'country' => array(
 				'type' => 'VARCHAR',
-				'constraint' => 40,
-			),
+				'constraint' => 40
+			)
 		));
 		static::$forge->add_key('id', TRUE);
 		static::$forge->create_table('user', (strpos(static::$driver, 'pgsql') === FALSE));
@@ -76,18 +75,35 @@ class Mock_Database_Schema_Skeleton {
 		static::$forge->add_field(array(
 			'id' => array(
 				'type' => 'INTEGER',
-				'constraint' => 3,
+				'constraint' => 3
 			),
 			'name' => array(
 				'type' => 'VARCHAR',
-				'constraint' => 40,
+				'constraint' => 40
 			),
 			'description' => array(
-				'type' => 'TEXT',
-			),
+				'type' => 'TEXT'
+			)
 		));
 		static::$forge->add_key('id', TRUE);
 		static::$forge->create_table('job', (strpos(static::$driver, 'pgsql') === FALSE));
+
+		// Misc Table
+		static::$forge->add_field(array(
+			'id' => array(
+				'type' => 'INTEGER',
+				'constraint' => 3
+			),
+			'key' => array(
+				'type' => 'VARCHAR',
+				'constraint' => 40
+			),
+			'value' => array(
+				'type' => 'TEXT'
+			)
+		));
+		static::$forge->add_key('id', TRUE);
+		static::$forge->create_table('misc', (strpos(static::$driver, 'pgsql') === FALSE));
 	}
 
 	/**
@@ -103,24 +119,29 @@ class Mock_Database_Schema_Skeleton {
 				array('id' => 1, 'name' => 'Derek Jones', 'email' => 'derek@world.com', 'country' => 'US'),
 				array('id' => 2, 'name' => 'Ahmadinejad', 'email' => 'ahmadinejad@world.com', 'country' => 'Iran'),
 				array('id' => 3, 'name' => 'Richard A Causey', 'email' => 'richard@world.com', 'country' => 'US'),
-				array('id' => 4, 'name' => 'Chris Martin', 'email' => 'chris@world.com', 'country' => 'UK'),
+				array('id' => 4, 'name' => 'Chris Martin', 'email' => 'chris@world.com', 'country' => 'UK')
 			),
 			'job' => array(
-				array('id' => 1, 'name' => 'Developer', 'description' => 'Awesome job, but sometimes makes you bored'), 
+				array('id' => 1, 'name' => 'Developer', 'description' => 'Awesome job, but sometimes makes you bored'),
 				array('id' => 2, 'name' => 'Politician', 'description' => 'This is not really a job'),
-    			array('id' => 3, 'name' => 'Accountant', 'description' => 'Boring job, but you will get free snack at lunch'),
-			    array('id' => 4, 'name' => 'Musician', 'description' => 'Only Coldplay can actually called Musician'),
+    				array('id' => 3, 'name' => 'Accountant', 'description' => 'Boring job, but you will get free snack at lunch'),
+				array('id' => 4, 'name' => 'Musician', 'description' => 'Only Coldplay can actually called Musician')
 			),
+			'misc' => array(
+				array('id' => 1, 'key' => '\\xxxfoo456', 'value' => 'Entry with \\xxx'),
+				array('id' => 2, 'key' => '\\%foo456', 'value' => 'Entry with \\%')
+			)
 		);
 
-		foreach ($data as $table => $dummy_data) 
+		foreach ($data as $table => $dummy_data)
 		{
 			static::$db->truncate($table);
 
 			foreach ($dummy_data as $single_dummy_data)
 			{
-				static::$db->insert($table, $single_dummy_data); 
+				static::$db->insert($table, $single_dummy_data);
 			}
 		}
 	}
+
 }
\ No newline at end of file
diff --git a/tests/mocks/libraries/calendar.php b/tests/mocks/libraries/calendar.php
new file mode 100644
index 000000000..8fee5365e
--- /dev/null
+++ b/tests/mocks/libraries/calendar.php
@@ -0,0 +1,25 @@
+<?php
+
+class Mock_Libraries_Calendar extends CI_Calendar {
+
+	public function __construct($config = array())
+	{
+		$this->CI = new stdClass;
+		$this->CI->lang = new Mock_Core_Lang();
+
+		if ( ! in_array('calendar_lang.php', $this->CI->lang->is_loaded, TRUE))
+		{
+			$this->CI->lang->load('calendar');
+		}
+
+		$this->local_time = time();
+
+		if (count($config) > 0)
+		{
+			$this->initialize($config);
+		}
+
+		log_message('debug', 'Calendar Class Initialized');
+	}
+
+}
\ No newline at end of file
diff --git a/tests/mocks/libraries/encrypt.php b/tests/mocks/libraries/encrypt.php
new file mode 100644
index 000000000..f1859398f
--- /dev/null
+++ b/tests/mocks/libraries/encrypt.php
@@ -0,0 +1,16 @@
+<?php
+
+class Mock_Libraries_Encrypt extends CI_Encrypt {
+
+	// Overide inaccesible protected method
+	public function __call($method, $params)
+	{
+		if (is_callable(array($this, '_'.$method)))
+		{
+			return call_user_func_array(array($this, '_'.$method), $params);
+		}
+
+		throw new BadMethodCallException('Method '.$method.' was not found');
+	}
+
+}
\ No newline at end of file
diff --git a/tests/mocks/libraries/session.php b/tests/mocks/libraries/session.php
new file mode 100644
index 000000000..9d6feee42
--- /dev/null
+++ b/tests/mocks/libraries/session.php
@@ -0,0 +1,43 @@
+<?php
+
+/**
+ * Mock library to add testing features to Session driver library
+ */
+class Mock_Libraries_Session extends CI_Session {
+	/**
+	 * Simulate new page load
+	 */
+	public function reload()
+	{
+		$this->_flashdata_sweep();
+		$this->_flashdata_mark();
+		$this->_tempdata_sweep();
+	}
+}
+
+/**
+ * Mock cookie driver to overload cookie setting
+ */
+class Mock_Libraries_Session_cookie extends CI_Session_cookie {
+	/**
+	 * Overload _setcookie to manage $_COOKIE values, since actual cookies can't be set in unit testing
+	 */
+	protected function _setcookie($name, $value = '', $expire = 0, $path = '', $domain = '', $secure = false,
+	$httponly = false)
+	{
+		if (empty($value) || $expire <= time()) {
+			// Clear cookie
+			unset($_COOKIE[$name]);
+		}
+		else {
+			// Set cookie
+			$_COOKIE[$name] = $value;
+		}
+	}
+}
+
+/**
+ * Mock native driver (just for consistency in loading)
+ */
+class Mock_Libraries_Session_native extends CI_Session_native { }
+
diff --git a/tests/mocks/libraries/table.php b/tests/mocks/libraries/table.php
index 97fbb30bd..87c278bce 100644
--- a/tests/mocks/libraries/table.php
+++ b/tests/mocks/libraries/table.php
@@ -1,7 +1,7 @@
 <?php
 
 class Mock_Libraries_Table extends CI_Table {
-	
+
 	// Overide inaccesible protected method
 	public function __call($method, $params)
 	{
@@ -12,4 +12,5 @@ class Mock_Libraries_Table extends CI_Table {
 
 		throw new BadMethodCallException('Method '.$method.' was not found');
 	}
+
 }
\ No newline at end of file
diff --git a/tests/mocks/libraries/upload.php b/tests/mocks/libraries/upload.php
new file mode 100644
index 000000000..988723e45
--- /dev/null
+++ b/tests/mocks/libraries/upload.php
@@ -0,0 +1,3 @@
+<?php
+
+class Mock_Libraries_Upload extends CI_Upload {}
\ No newline at end of file
diff --git a/tests/mocks/uploads/ci_logo.gif b/tests/mocks/uploads/ci_logo.gif
new file mode 100644
index 000000000..073ec14b4
--- /dev/null
+++ b/tests/mocks/uploads/ci_logo.gif