Merge branch develop of github.com:/EllisLab/CodeIgniter into session

29 files changed, 1214 insertions, 0 deletions

diff --git a/tests/mocks/autoloader.php b/tests/mocks/autoloader.php
new file mode 100644
index 000000000..be1c2220c
--- /dev/null
+++ b/tests/mocks/autoloader.php
@@ -0,0 +1,94 @@
+<?php
+
+// This autoloader provide convinient way to working with mock object
+// make the test looks natural. This autoloader support cascade file loading as well
+// within mocks directory.
+//
+// Prototype :
+//
+// $mock_table = new Mock_Libraries_Table(); 			// Will load ./mocks/libraries/table.php
+// $mock_database_driver = new Mock_Database_Driver();	// Will load ./mocks/database/driver.php
+// and so on...
+function autoload($class)
+{
+	$dir = realpath(dirname(__FILE__)).DIRECTORY_SEPARATOR;
+
+	$ci_core = array(
+		'Benchmark', 'Config', 'Controller',
+		'Exceptions', 'Hooks', 'Input',
+		'Lang', 'Loader', 'Model',
+		'Output', 'Router', 'Security',
+		'URI', 'Utf8',
+	);
+
+	$ci_libraries = array(
+		'Calendar', 'Cart', 'Driver_Library',
+		'Email', 'Encrypt', 'Form_validation',
+		'Ftp', 'Image_lib', 'Javascript',
+		'Log', 'Migration', 'Pagination',
+		'Parser', 'Profiler', 'Session',
+		'Table', 'Trackback', 'Typography',
+		'Unit_test', 'Upload', 'User_agent',
+		'Xmlrpc', 'Zip',
+	);
+
+	if (strpos($class, 'Mock_') === 0)
+	{
+		$class = str_replace(array('Mock_', '_'), array('', DIRECTORY_SEPARATOR), $class);
+		$class = strtolower($class);
+	}
+	elseif (strpos($class, 'CI_') === 0)
+	{
+		$fragments = explode('_', $class, 2);
+		$subclass = next($fragments);
+
+		if (in_array($subclass, $ci_core))
+		{
+			$dir = BASEPATH.'core'.DIRECTORY_SEPARATOR;
+			$class = $subclass;
+		}
+		elseif (in_array($subclass, $ci_libraries))
+		{
+			$dir = BASEPATH.'libraries'.DIRECTORY_SEPARATOR;
+			$class = ($subclass === 'Driver_Library') ? 'Driver' : $subclass;
+		}
+		elseif (preg_match('/^CI_DB_(.+)_(driver|forge|result|utility)$/', $class, $m) && count($m) === 3)
+		{
+			$driver_path = BASEPATH.'database'.DIRECTORY_SEPARATOR.'drivers'.DIRECTORY_SEPARATOR;
+			$dir = $driver_path.$m[1].DIRECTORY_SEPARATOR;
+			$file = $dir.$m[1].'_'.$m[2].'.php';
+		}
+		elseif (strpos($class, 'CI_DB') === 0)
+		{
+			$dir = BASEPATH.'database'.DIRECTORY_SEPARATOR;
+			$file = $dir.str_replace(array('CI_DB','active_record'), array('DB', 'active_rec'), $subclass).'.php';
+		}
+		else
+		{
+			$class = strtolower($class);
+		}
+	}
+
+	$file = (isset($file)) ? $file : $dir.$class.'.php';
+
+	if ( ! file_exists($file))
+	{
+		$trace = debug_backtrace();
+
+		if ($trace[2]['function'] === 'class_exists' OR $trace[2]['function'] === 'file_exists')
+		{
+			// If the autoload call came from `class_exists` or `file_exists`,
+			// we skipped and return FALSE
+			return FALSE;
+		}
+		elseif (($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
new file mode 100644
index 000000000..eda9e1b60
--- /dev/null
+++ b/tests/mocks/ci_testcase.php
@@ -0,0 +1,194 @@
+<?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',
+		'hooks'		=> 'ext',
+		'utf8'		=> 'uni',
+		'router'	=> 'rtr',
+		'output'	=> 'out',
+		'security'	=> 'sec',
+		'input'		=> 'in',
+		'lang'		=> 'lang',
+		'loader'	=> 'load',
+		'model'		=> 'model'
+	);
+
+	// --------------------------------------------------------------------
+
+	public function __construct()
+	{
+		parent::__construct();
+		$this->ci_config = array();
+	}
+
+	// --------------------------------------------------------------------
+
+	public function setUp()
+	{
+		if (method_exists($this, 'set_up'))
+		{
+			$this->set_up();
+		}
+	}
+
+	// --------------------------------------------------------------------
+
+	public function tearDown()
+	{
+		if (method_exists($this, 'tear_down'))
+		{
+			$this->tear_down();
+		}
+	}
+
+	// --------------------------------------------------------------------
+
+	public static function instance()
+	{
+		return self::$ci_test_instance;
+	}
+
+	// --------------------------------------------------------------------
+
+	public function ci_set_config($key, $val = '')
+	{
+		if (is_array($key))
+		{
+			$this->ci_config = $key;
+		}
+		else
+		{
+			$this->ci_config[$key] = $val;
+		}
+	}
+
+	// --------------------------------------------------------------------
+
+	public function ci_get_config()
+	{
+		return $this->ci_config;
+	}
+
+	// --------------------------------------------------------------------
+
+	public function ci_instance($obj = FALSE)
+	{
+		if ( ! is_object($obj))
+		{
+			return $this->ci_instance;
+		}
+
+		$this->ci_instance = $obj;
+	}
+
+	// --------------------------------------------------------------------
+
+	public function ci_instance_var($name, $obj = FALSE)
+	{
+		if ( ! is_object($obj))
+		{
+			return $this->ci_instance->$name;
+		}
+
+		$this->ci_instance->$name =& $obj;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Grab a core class
+	 *
+	 * Loads the correct core class without extensions
+	 * and returns a reference to the class name in the
+	 * globals array with the correct key. This way the
+	 * test can modify the variable it assigns to and
+	 * still maintain the global.
+	 */
+	public function &ci_core_class($name)
+	{
+		$name = strtolower($name);
+
+		if (isset($this->global_map[$name]))
+		{
+			$class_name = ucfirst($name);
+			$global_name = $this->global_map[$name];
+		}
+		elseif (in_array($name, $this->global_map))
+		{
+			$class_name = ucfirst(array_search($name, $this->global_map));
+			$global_name = $name;
+		}
+		else
+		{
+			throw new Exception('Not a valid core class.');
+		}
+
+		if ( ! class_exists('CI_'.$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
+	public function ci_set_core_class($name, $obj)
+	{
+		$orig =& $this->ci_core_class($name);
+		$orig = $obj;
+	}
+
+	// --------------------------------------------------------------------
+	// Internals
+	// --------------------------------------------------------------------
+
+	/**
+	 * Overwrite runBare
+	 *
+	 * PHPUnit instantiates the test classes before
+	 * running them individually. So right before a test
+	 * runs we set our instance. Normally this step would
+	 * happen in setUp, but someone is bound to forget to
+	 * call the parent method and debugging this is no fun.
+	 */
+	public function runBare()
+	{
+		self::$ci_test_instance = $this;
+		parent::runBare();
+	}
+
+	// --------------------------------------------------------------------
+
+	public function helper($name)
+	{
+		require_once(BASEPATH.'helpers/'.$name.'_helper.php');
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * This overload is useful to create a stub, that need to have a specific method.
+	 */
+	public function __call($method, $args)
+	{
+		if ($this->{$method} instanceof Closure)
+		{
+			return call_user_func_array($this->{$method},$args);
+		}
+		else
+		{
+			return parent::__call($method, $args);
+		}
+	}
+
+}
\ No newline at end of file
diff --git a/tests/mocks/core/benchmark.php b/tests/mocks/core/benchmark.php
new file mode 100644
index 000000000..d92be21db
--- /dev/null
+++ b/tests/mocks/core/benchmark.php
@@ -0,0 +1,3 @@
+<?php
+
+class Mock_Core_Benchmark extends CI_Benchmark {}
\ No newline at end of file
diff --git a/tests/mocks/core/common.php b/tests/mocks/core/common.php
new file mode 100644
index 000000000..a655ee1db
--- /dev/null
+++ b/tests/mocks/core/common.php
@@ -0,0 +1,169 @@
+<?php
+
+// Set up the global CI functions in their most minimal core representation
+
+if ( ! function_exists('get_instance'))
+{
+	function &get_instance()
+	{
+		$test = CI_TestCase::instance();
+		$test = $test->ci_instance();
+		return $test;
+	}
+}
+
+// --------------------------------------------------------------------
+
+if ( ! function_exists('get_config'))
+{
+	function &get_config()
+	{
+		$test = CI_TestCase::instance();
+		$config = $test->ci_get_config();
+		return $config;
+	}
+}
+
+if ( ! function_exists('config_item'))
+{
+	function config_item($item)
+	{
+		$config =& get_config();
+
+		if ( ! isset($config[$item]))
+		{
+			return FALSE;
+		}
+
+		return $config[$item];
+	}
+}
+
+// --------------------------------------------------------------------
+
+if ( ! function_exists('load_class'))
+{
+	function load_class($class, $directory = 'libraries', $prefix = 'CI_')
+	{
+		if ($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 $obj;
+	}
+}
+
+// This is sort of meh. Should probably be mocked up with
+// controllable output, so that we can test some of our
+// security code. The function itself will be tested in the
+// bootstrap testsuite.
+// --------------------------------------------------------------------
+
+if ( ! function_exists('remove_invisible_characters'))
+{
+	function remove_invisible_characters($str, $url_encoded = TRUE)
+	{
+		$non_displayables = array();
+
+		// every control character except newline (dec 10)
+		// carriage return (dec 13), and horizontal tab (dec 09)
+
+		if ($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 $str;
+	}
+}
+
+
+// Clean up error messages
+// --------------------------------------------------------------------
+
+if ( ! function_exists('show_error'))
+{
+	function show_error($message, $status_code = 500, $heading = 'An Error Was Encountered')
+	{
+		throw new RuntimeException('CI Error: '.$message);
+	}
+}
+
+if ( ! function_exists('show_404'))
+{
+	function show_404($page = '', $log_error = TRUE)
+	{
+		throw new RuntimeException('CI Error: 404');
+	}
+}
+
+if ( ! function_exists('_exception_handler'))
+{
+	function _exception_handler($severity, $message, $filepath, $line)
+	{
+		throw new RuntimeException('CI Exception: '.$message.' | '.$filepath.' | '.$line);
+	}
+}
+
+
+// We assume a few things about our environment ...
+// --------------------------------------------------------------------
+
+if ( ! function_exists('is_php'))
+{
+	function is_php($version = '5.0.0')
+	{
+		return ! (version_compare(PHP_VERSION, $version) < 0);
+	}
+}
+
+if ( ! function_exists('is_really_writable'))
+{
+	function is_really_writable($file)
+	{
+		return is_writable($file);
+	}
+}
+
+if ( ! function_exists('is_loaded'))
+{
+	function is_loaded()
+	{
+		throw new Exception('Bad Isolation: mock up environment');
+	}
+}
+
+if ( ! function_exists('log_message'))
+{
+	function log_message($level = 'error', $message, $php_error = FALSE)
+	{
+		return TRUE;
+	}
+}
+
+if ( ! function_exists('set_status_header'))
+{
+	function set_status_header($code = 200, $text = '')
+	{
+		return TRUE;
+	}
+}
\ No newline at end of file
diff --git a/tests/mocks/core/input.php b/tests/mocks/core/input.php
new file mode 100644
index 000000000..2a4aa4997
--- /dev/null
+++ b/tests/mocks/core/input.php
@@ -0,0 +1,31 @@
+<?php
+
+class Mock_Core_Input extends CI_Input {
+
+	/**
+	 * Since we use GLOBAL to fetch Security and Utf8 classes,
+	 * we need to use inversion of control to mock up
+	 * the same process within CI_Input class constructor.
+	 *
+	 * @covers CI_Input::__construct()
+	 */
+	public function __construct($security, $utf8)
+	{
+		$this->_allow_get_array	= (config_item('allow_get_array') === TRUE);
+		$this->_enable_xss	= (config_item('global_xss_filtering') === TRUE);
+		$this->_enable_csrf	= (config_item('csrf_protection') === TRUE);
+
+		// Assign Security and Utf8 classes
+		$this->security = $security;
+		$this->uni = $utf8;
+
+		// Sanitize global arrays
+		$this->_sanitize_globals();
+	}
+
+	public function fetch_from_array($array, $index = '', $xss_clean = FALSE)
+	{
+		return parent::_fetch_from_array($array, $index, $xss_clean);
+	}
+
+}
\ No newline at end of file
diff --git a/tests/mocks/core/loader.php b/tests/mocks/core/loader.php
new file mode 100644
index 000000000..53d88d55b
--- /dev/null
+++ b/tests/mocks/core/loader.php
@@ -0,0 +1,31 @@
+<?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
+	 * in the application directory.  this will give finer grained control over
+	 * these tests.  So yeah, while this looks odd, I need to overwrite protected
+	 * class vars in the loader.  So here we go...
+	 *
+	 * @covers CI_Loader::__construct()
+	 */
+	public function __construct()
+	{
+		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
new file mode 100644
index 000000000..e19a8b20b
--- /dev/null
+++ b/tests/mocks/core/security.php
@@ -0,0 +1,30 @@
+<?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,
+		// we superseded set_cookie with directly set the cookie variable,
+		// @see : ./tests/codeigniter/core/Security_test.php, line 8
+		return $this;
+	}
+
+	// Overide inaccesible protected properties
+	public function __get($property)
+	{
+		return isset($this->{'_'.$property}) ? $this->{'_'.$property} : NULL;
+	}
+
+	// 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/core/uri.php b/tests/mocks/core/uri.php
new file mode 100644
index 000000000..94f75df64
--- /dev/null
+++ b/tests/mocks/core/uri.php
@@ -0,0 +1,26 @@
+<?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',
+			'base_url'			=> 'http://example.com/',
+			'subclass_prefix'	=> 'MY_'
+		));
+
+		$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
new file mode 100644
index 000000000..068e74ac1
--- /dev/null
+++ b/tests/mocks/core/utf8.php
@@ -0,0 +1,26 @@
+<?php
+
+class Mock_Core_Utf8 extends CI_Utf8 {
+
+	/**
+	 * 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);
+
+		if (extension_loaded('mbstring'))
+		{
+			defined('MB_ENABLED') OR define('MB_ENABLED', TRUE);
+			mb_internal_encoding('UTF-8');
+		}
+		else
+		{
+			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
new file mode 100755
index 000000000..44dcef9ec
--- /dev/null
+++ b/tests/mocks/database/ci_test.sqlite
diff --git a/tests/mocks/database/config/mysql.php b/tests/mocks/database/config/mysql.php
new file mode 100644
index 000000000..a590b9f53
--- /dev/null
+++ b/tests/mocks/database/config/mysql.php
@@ -0,0 +1,34 @@
+<?php
+
+return array(
+
+	// Typical Database configuration
+	'mysql' => array(
+		'dsn' => '',
+		'hostname' => 'localhost',
+		'username' => 'travis',
+		'password' => '',
+		'database' => 'ci_test',
+		'dbdriver' => 'mysql'
+	),
+
+	// Database configuration with failover
+	'mysql_failover' => array(
+		'dsn' => '',
+		'hostname' => 'localhost',
+		'username' => 'not_travis',
+		'password' => 'wrong password',
+		'database' => 'not_ci_test',
+		'dbdriver' => 'mysql',
+		'failover' => array(
+			array(
+				'dsn' => '',
+				'hostname' => 'localhost',
+				'username' => 'travis',
+				'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
new file mode 100644
index 000000000..96608f787
--- /dev/null
+++ b/tests/mocks/database/config/pdo/mysql.php
@@ -0,0 +1,37 @@
+<?php
+
+return array(
+
+	// Typical Database configuration
+	'pdo/mysql' => array(
+		'dsn' => 'mysql:host=localhost;dbname=ci_test',
+		'hostname' => 'localhost',
+		'username' => 'travis',
+		'password' => '',
+		'database' => 'ci_test',
+		'dbdriver' => 'pdo',
+		'subdriver' => 'mysql'
+	),
+
+	// Database configuration with failover
+	'pdo/mysql_failover' => array(
+		'dsn' => '',
+		'hostname' => 'localhost',
+		'username' => 'not_travis',
+		'password' => 'wrong password',
+		'database' => 'not_ci_test',
+		'dbdriver' => 'pdo',
+		'subdriver' => 'mysql',
+		'failover' => array(
+			array(
+				'dsn' => 'mysql:host=localhost;dbname=ci_test',
+				'hostname' => 'localhost',
+				'username' => 'travis',
+				'password' => '',
+				'database' => 'ci_test',
+				'dbdriver' => 'pdo',
+				'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
new file mode 100644
index 000000000..e55e3ea77
--- /dev/null
+++ b/tests/mocks/database/config/pdo/pgsql.php
@@ -0,0 +1,37 @@
+<?php
+
+return array(
+
+	// Typical Database configuration
+	'pdo/pgsql' => array(
+		'dsn' => 'pgsql:host=localhost;port=5432;dbname=ci_test;',
+		'hostname' => 'localhost',
+		'username' => 'postgres',
+		'password' => '',
+		'database' => 'ci_test',
+		'dbdriver' => 'pdo',
+		'subdriver' => 'pgsql'
+	),
+
+	// Database configuration with failover
+	'pdo/pgsql_failover' => array(
+		'dsn' => '',
+		'hostname' => 'localhost',
+		'username' => 'not_travis',
+		'password' => 'wrong password',
+		'database' => 'not_ci_test',
+		'dbdriver' => 'pdo',
+		'subdriver' => 'pgsql',
+		'failover' => array(
+			array(
+				'dsn' => 'pgsql:host=localhost;port=5432;dbname=ci_test;',
+				'hostname' => 'localhost',
+				'username' => 'postgres',
+				'password' => '',
+				'database' => 'ci_test',
+				'dbdriver' => 'pdo',
+				'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
new file mode 100644
index 000000000..1bf56b3ac
--- /dev/null
+++ b/tests/mocks/database/config/pdo/sqlite.php
@@ -0,0 +1,37 @@
+<?php
+
+return array(
+
+	// Typical Database configuration
+	'pdo/sqlite' => array(
+		'dsn' => 'sqlite:/'.realpath(__DIR__.'/../..').'/ci_test.sqlite',
+		'hostname' => 'localhost',
+		'username' => 'sqlite',
+		'password' => 'sqlite',
+		'database' => 'sqlite',
+		'dbdriver' => 'pdo',
+		'subdriver' => 'sqlite'
+	),
+
+	// Database configuration with failover
+	'pdo/sqlite_failover' => array(
+		'dsn' => 'sqlite:not_exists.sqlite',
+		'hostname' => 'localhost',
+		'username' => 'sqlite',
+		'password' => 'sqlite',
+		'database' => 'sqlite',
+		'dbdriver' => 'pdo',
+		'subdriver' => 'sqlite',
+		'failover' => array(
+			array(
+				'dsn' => 'sqlite:/'.realpath(__DIR__.'/../..').'/ci_test.sqlite',
+				'hostname' => 'localhost',
+				'username' => 'sqlite',
+				'password' => 'sqlite',
+				'database' => '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
new file mode 100644
index 000000000..1444b0066
--- /dev/null
+++ b/tests/mocks/database/config/pgsql.php
@@ -0,0 +1,34 @@
+<?php
+
+return array(
+
+	// Typical Database configuration
+	'pgsql' => array(
+		'dsn' => '',
+		'hostname' => 'localhost',
+		'username' => 'postgres',
+		'password' => '',
+		'database' => 'ci_test',
+		'dbdriver' => 'postgre'
+	),
+
+	// Database configuration with failover
+	'pgsql_failover' => array(
+		'dsn' => '',
+		'hostname' => 'localhost',
+		'username' => 'not_travis',
+		'password' => 'wrong password',
+		'database' => 'not_ci_test',
+		'dbdriver' => 'postgre',
+		'failover' => array(
+			array(
+				'dsn' => '',
+				'hostname' => 'localhost',
+				'username' => 'postgres',
+				'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
new file mode 100644
index 000000000..d37ee4871
--- /dev/null
+++ b/tests/mocks/database/config/sqlite.php
@@ -0,0 +1,34 @@
+<?php
+
+return array(
+
+	// Typical Database configuration
+	'sqlite' => array(
+		'dsn' => '',
+		'hostname' => 'localhost',
+		'username' => 'sqlite',
+		'password' => 'sqlite',
+		'database' => realpath(__DIR__.'/..').'/ci_test.sqlite',
+		'dbdriver' => 'sqlite3'
+	),
+
+	// Database configuration with failover
+	'sqlite_failover' => array(
+		'dsn' => '',
+		'hostname' => 'localhost',
+		'username' => 'sqlite',
+		'password' => 'sqlite',
+		'database' => '../not_exists.sqlite',
+		'dbdriver' => 'sqlite3',
+		'failover' => array(
+			array(
+				'dsn' => '',
+				'hostname' => 'localhost',
+				'username' => 'sqlite',
+				'password' => 'sqlite',
+				'database' => realpath(__DIR__.'/..').'/ci_test.sqlite',
+				'dbdriver' => 'sqlite3'
+			)
+		)
+	)
+);
\ No newline at end of file
diff --git a/tests/mocks/database/db.php b/tests/mocks/database/db.php
new file mode 100644
index 000000000..75658530b
--- /dev/null
+++ b/tests/mocks/database/db.php
@@ -0,0 +1,100 @@
+<?php
+
+class Mock_Database_DB {
+
+	/**
+	 * @var array DB configuration
+	 */
+	private $config = array();
+
+	/**
+	 * Prepare database configuration skeleton
+	 *
+	 * @param  array 	DB configuration to set
+	 * @return void
+	 */
+	public function __construct($config = array())
+	{
+		$this->config = $config;
+	}
+
+	/**
+	 * Build DSN connection string for DB driver instantiate process
+	 *
+	 * @param 	string 	Group name
+	 * @return 	string 	DSN Connection string
+	 */
+	public function set_dsn($group = 'default')
+	{
+		if ( ! isset($this->config[$group]))
+		{
+			throw new InvalidArgumentException('Group '.$group.' not exists');
+		}
+
+		$params = array(
+			'dbprefix' => '',
+			'pconnect' => FALSE,
+			'db_debug' => FALSE,
+			'cache_on' => FALSE,
+			'cachedir' => '',
+			'char_set' => 'utf8',
+			'dbcollat' => 'utf8_general_ci',
+			'swap_pre' => '',
+			'autoinit' => TRUE,
+			'stricton' => FALSE,
+		);
+
+		$config = array_merge($this->config[$group], $params);
+		$dsnstring = empty($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'];
+
+		// Build the parameter
+		$other_params = array_slice($config, 6);
+		if ($dsnstring) $other_params['dsn'] = $dsnstring;
+		if ($subdriver) $other_params['subdriver'] = $subdriver;
+		if ($failover) $other_params['failover'] = $failover;
+
+		return $dsn.'?'.http_build_query($other_params);
+	}
+
+	/**
+	 * Return a database config array
+	 *
+	 * @see 	./config
+	 * @param	string	Driver based configuration
+	 * @return	array
+	 */
+	public static function config($driver)
+	{
+		$dir = realpath(dirname(__FILE__)).DIRECTORY_SEPARATOR;
+		return include($dir.'config'.DIRECTORY_SEPARATOR.$driver.'.php');
+	}
+
+	/**
+	 * Main DB method wrapper
+	 *
+	 * @param 	string	Group or DSN string
+	 * @param 	bool
+	 * @return 	object
+	 */
+	public static function DB($group, $query_builder = FALSE)
+	{
+		include_once(BASEPATH.'database/DB.php');
+
+		try
+		{
+			$db = DB($group, $query_builder);
+		}
+		catch (Exception $e)
+		{
+			throw new InvalidArgumentException($e->getMessage());
+		}
+
+		return $db;
+	}
+
+}
\ No newline at end of file
diff --git a/tests/mocks/database/db/driver.php b/tests/mocks/database/db/driver.php
new file mode 100644
index 000000000..65ac2c4cc
--- /dev/null
+++ b/tests/mocks/database/db/driver.php
@@ -0,0 +1,39 @@
+<?php
+
+class Mock_Database_DB_Driver extends CI_DB_driver {
+
+	/**
+	 * @var object The actual Driver
+	 */
+	protected $ci_db_driver;
+
+	/**
+	 * Instantiate the database driver
+	 *
+	 * @param  string 	DB Driver class name
+	 * @param  array 	DB configuration to set
+	 * @return void
+	 */
+	public function __construct($driver_class, $config = array())
+	{
+		if (is_string($driver_class))
+		{
+			$this->ci_db_driver = new $driver_class($config);
+		}
+	}
+
+	/**
+	 * Overloading method, emulate the actual driver method (multiple inheritance workaround)
+	 */
+	public function __call($method, $arguments)
+	{
+		if ( ! is_callable(array($this->ci_db_driver, $method)))
+		{
+			throw new BadMethodCallException($method. ' not exists or not implemented');
+		}
+
+		return call_user_func_array(array($this->ci_db_driver, $method), $arguments);
+	}
+}
+
+class CI_DB extends Mock_Database_DB_QueryBuilder {}
\ No newline at end of file
diff --git a/tests/mocks/database/db/querybuilder.php b/tests/mocks/database/db/querybuilder.php
new file mode 100644
index 000000000..3f2252622
--- /dev/null
+++ b/tests/mocks/database/db/querybuilder.php
@@ -0,0 +1,3 @@
+<?php
+
+class Mock_Database_DB_QueryBuilder extends CI_DB_query_builder {}
\ No newline at end of file
diff --git a/tests/mocks/database/drivers/mysql.php b/tests/mocks/database/drivers/mysql.php
new file mode 100644
index 000000000..e0c1fb06c
--- /dev/null
+++ b/tests/mocks/database/drivers/mysql.php
@@ -0,0 +1,17 @@
+<?php
+
+class Mock_Database_Drivers_Mysql extends Mock_Database_DB_Driver {
+
+	/**
+	 * Instantiate the database driver
+	 *
+	 * @param	string	DB Driver class name
+	 * @param	array	DB configuration to set
+	 * @return	void
+	 */
+	public function __construct($config = array())
+	{
+		parent::__construct('CI_DB_mysql_driver', $config);
+	}
+
+}
\ No newline at end of file
diff --git a/tests/mocks/database/drivers/pdo.php b/tests/mocks/database/drivers/pdo.php
new file mode 100644
index 000000000..17768eed7
--- /dev/null
+++ b/tests/mocks/database/drivers/pdo.php
@@ -0,0 +1,16 @@
+<?php
+
+class Mock_Database_Drivers_PDO extends Mock_Database_DB_Driver {
+
+	/**
+	 * Instantiate the database driver
+	 *
+	 * @param	string	DB Driver class name
+	 * @param	array	DB configuration to set
+	 * @return	void
+	 */
+	public function __construct($config = array())
+	{
+		parent::__construct('CI_DB_pdo_driver', $config);
+	}
+}
\ No newline at end of file
diff --git a/tests/mocks/database/drivers/postgre.php b/tests/mocks/database/drivers/postgre.php
new file mode 100644
index 000000000..5a45115fa
--- /dev/null
+++ b/tests/mocks/database/drivers/postgre.php
@@ -0,0 +1,17 @@
+<?php
+
+class Mock_Database_Drivers_Postgre extends Mock_Database_DB_Driver {
+
+	/**
+	 * Instantiate the database driver
+	 *
+	 * @param	string	DB Driver class name
+	 * @param	array	DB configuration to set
+	 * @return	void
+	 */
+	public function __construct($config = array())
+	{
+		parent::__construct('CI_DB_postgre_driver', $config);
+	}
+
+}
\ No newline at end of file
diff --git a/tests/mocks/database/drivers/sqlite.php b/tests/mocks/database/drivers/sqlite.php
new file mode 100644
index 000000000..512467520
--- /dev/null
+++ b/tests/mocks/database/drivers/sqlite.php
@@ -0,0 +1,17 @@
+<?php
+
+class Mock_Database_Drivers_Sqlite extends Mock_Database_DB_Driver {
+
+	/**
+	 * Instantiate the database driver
+	 *
+	 * @param	string	DB Driver class name
+	 * @param	array	DB configuration to set
+	 * @return	void
+	 */
+	public function __construct($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
new file mode 100644
index 000000000..18e1ddd4d
--- /dev/null
+++ b/tests/mocks/database/schema/skeleton.php
@@ -0,0 +1,147 @@
+<?php
+
+class Mock_Database_Schema_Skeleton {
+
+	/**
+	 * @var object Database Holder
+	 */
+	public static $db;
+
+	/**
+	 * @var object Forge Holder
+	 */
+	public static $forge;
+
+	/**
+	 * @var object Driver Holder
+	 */
+	public static $driver;
+
+	/**
+	 * Initialize both database and forge components
+	 */
+	public static function init($driver)
+	{
+		if (empty(static::$db) && empty(static::$forge))
+		{
+			$config = Mock_Database_DB::config($driver);
+			$connection = new Mock_Database_DB($config);
+			$db = Mock_Database_DB::DB($connection->set_dsn($driver), TRUE);
+
+			CI_TestCase::instance()->ci_instance_var('db', $db);
+
+			$loader = new Mock_Core_Loader();
+			$loader->dbforge();
+			$forge = CI_TestCase::instance()->ci_instance_var('dbforge');
+
+			static::$db = $db;
+			static::$forge = $forge;
+			static::$driver = $driver;
+		}
+
+		return static::$db;
+	}
+
+	/**
+	 * Create the dummy tables
+	 *
+	 * @return void
+	 */
+	public static function create_tables()
+	{
+		// User Table
+		static::$forge->add_field(array(
+			'id' => array(
+				'type' => 'INTEGER',
+				'constraint' => 3
+			),
+			'name' => array(
+				'type' => 'VARCHAR',
+				'constraint' => 40
+			),
+			'email' => array(
+				'type' => 'VARCHAR',
+				'constraint' => 100
+			),
+			'country' => array(
+				'type' => 'VARCHAR',
+				'constraint' => 40
+			)
+		));
+		static::$forge->add_key('id', TRUE);
+		static::$forge->create_table('user', (strpos(static::$driver, 'pgsql') === FALSE));
+
+		// Job Table
+		static::$forge->add_field(array(
+			'id' => array(
+				'type' => 'INTEGER',
+				'constraint' => 3
+			),
+			'name' => array(
+				'type' => 'VARCHAR',
+				'constraint' => 40
+			),
+			'description' => array(
+				'type' => 'TEXT'
+			)
+		));
+		static::$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));
+	}
+
+	/**
+	 * Create the dummy datas
+	 *
+	 * @return void
+	 */
+	public static function create_data()
+	{
+		// Job Data
+		$data = array(
+			'user' => array(
+				array('id' => 1, 'name' => 'Derek Jones', 'email' => 'derek@world.com', 'country' => 'US'),
+				array('id' => 2, 'name' => 'Ahmadinejad', 'email' => 'ahmadinejad@world.com', 'country' => 'Iran'),
+				array('id' => 3, 'name' => 'Richard A Causey', 'email' => 'richard@world.com', 'country' => 'US'),
+				array('id' => 4, 'name' => 'Chris Martin', 'email' => 'chris@world.com', 'country' => 'UK')
+			),
+			'job' => array(
+				array('id' => 1, 'name' => 'Developer', 'description' => 'Awesome job, but sometimes makes you bored'),
+				array('id' => 2, 'name' => 'Politician', 'description' => 'This is not really a job'),
+    				array('id' => 3, 'name' => 'Accountant', 'description' => 'Boring job, but you will get free snack at lunch'),
+				array('id' => 4, 'name' => 'Musician', 'description' => 'Only Coldplay can actually called Musician')
+			),
+			'misc' => array(
+				array('id' => 1, 'key' => '\\xxxfoo456', 'value' => 'Entry with \\xxx'),
+				array('id' => 2, 'key' => '\\%foo456', 'value' => 'Entry with \\%')
+			)
+		);
+
+		foreach ($data as $table => $dummy_data)
+		{
+			static::$db->truncate($table);
+
+			foreach ($dummy_data as $single_dummy_data)
+			{
+				static::$db->insert($table, $single_dummy_data);
+			}
+		}
+	}
+
+}
\ No newline at end of file
diff --git a/tests/mocks/libraries/encrypt.php b/tests/mocks/libraries/encrypt.php
new file mode 100644
index 000000000..f1859398f
--- /dev/null
+++ b/tests/mocks/libraries/encrypt.php
@@ -0,0 +1,16 @@
+<?php
+
+class Mock_Libraries_Encrypt extends CI_Encrypt {
+
+	// Overide inaccesible protected method
+	public function __call($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/parser.php b/tests/mocks/libraries/parser.php
new file mode 100644
index 000000000..81dcfb37e
--- /dev/null
+++ b/tests/mocks/libraries/parser.php
@@ -0,0 +1,3 @@
+<?php
+
+class Mock_Libraries_Parser extends CI_Parser {}
\ No newline at end of file
diff --git a/tests/mocks/libraries/table.php b/tests/mocks/libraries/table.php
new file mode 100644
index 000000000..87c278bce
--- /dev/null
+++ b/tests/mocks/libraries/table.php
@@ -0,0 +1,16 @@
+<?php
+
+class Mock_Libraries_Table extends CI_Table {
+
+	// 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/typography.php b/tests/mocks/libraries/typography.php
new file mode 100644
index 000000000..0f76c5745
--- /dev/null
+++ b/tests/mocks/libraries/typography.php
@@ -0,0 +1,3 @@
+<?php
+
+class Mock_Libraries_Typography extends CI_Typography {}
\ No newline at end of file
diff --git a/tests/mocks/libraries/useragent.php b/tests/mocks/libraries/useragent.php
new file mode 100644
index 000000000..c957cde5b
--- /dev/null
+++ b/tests/mocks/libraries/useragent.php
@@ -0,0 +1,3 @@
+<?php
+
+class Mock_Libraries_UserAgent extends CI_User_agent {}
\ No newline at end of file