1 files changed, 331 insertions, 0 deletions

diff --git a/system/libraries/Unit.php b/system/libraries/Unit.php
new file mode 100644
index 000000000..0df78c253
--- /dev/null
+++ b/system/libraries/Unit.php
@@ -0,0 +1,331 @@
+<?php  if (!defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * Code Igniter
+ *
+ * An open source application development framework for PHP 4.3.2 or newer
+ *
+ * @package		CodeIgniter
+ * @author		Rick Ellis
+ * @copyright	Copyright (c) 2006, pMachine, Inc.
+ * @license		http://www.codeignitor.com/user_guide/license.html 
+ * @link		http://www.codeigniter.com
+ * @since		Version 1.3.1
+ * @filesource
+ */
+ 
+// ------------------------------------------------------------------------
+
+/**
+ * Unit Testing Class
+ * 
+ * Simple testing class
+ *
+ * @package		CodeIgniter
+ * @subpackage	Libraries
+ * @category	UnitTesting
+ * @author		Rick Ellis
+ * @link		http://www.codeigniter.com/user_guide/libraries/uri.html
+ */
+class CI_Unit {
+
+	var $active			= TRUE;
+	var $results 		= array();
+	var $strict			= FALSE;
+	var $_template 		= NULL;
+	var $_template_rows	= NULL;
+
+	function CI_Unit()
+	{
+		log_message('debug', "Unit Testing Class Initialized");
+	}	
+
+	// --------------------------------------------------------------------
+	
+	/**
+	 * Run the tests
+	 *
+	 * Runs the supplied tests
+	 *
+	 * @access	public
+	 * @param	mixed
+	 * @param	mixed
+	 * @param	string
+	 * @return	string
+	 */	
+	function run($test, $expected = TRUE, $test_name = 'undefined')
+	{
+		if ($this->active == FALSE)
+			return;
+			
+		if (in_array($expected, array('is_string', 'is_bool', 'is_true', 'is_false', 'is_int', 'is_numeric', 'is_float', 'is_double', 'is_array', 'is_null'), TRUE))
+		{
+			$expected = str_replace('is_float', 'is_double', $expected);
+			$result = ($expected($test)) ? TRUE : FALSE;	
+			$extype = str_replace(array('true', 'false'), 'bool', str_replace('is_', '', $expected));
+		}
+		else
+		{
+			if ($this->strict == TRUE)
+				$result = ($test === $expected) ? TRUE : FALSE;	
+			else
+				$result = ($test == $expected) ? TRUE : FALSE;	
+			
+			$extype = gettype($expected);
+		}
+				
+		$back = $this->_backtrace();
+	
+		$report[] = array (
+							'test_name'			=> $test_name,
+							'test_datatype'		=> gettype($test),
+							'res_datatype'		=> $extype,
+							'result'			=> ($result === TRUE) ? 'passed' : 'failed',
+							'file'				=> $back['file'],
+							'line'				=> $back['line']
+						);
+
+		$this->results[] = $report;		
+				
+		return($this->report($this->result($report)));
+	}
+
+	// --------------------------------------------------------------------
+	
+	/**
+	 * Generate a report
+	 *
+	 * Displays a table with the test data
+	 *
+	 * @access	public
+	 * @return	string
+	 */
+	function report($result = array())
+	{	
+		if (count($result) == 0)
+		{
+			$result = $this->result();
+		}
+		
+		$this->_parse_template();
+	
+		$r = '';
+		foreach ($result as $res)
+		{
+			$table = '';
+		
+			foreach ($res as $key => $val)
+			{
+				$temp = $this->_template_rows;			
+				$temp = str_replace('{item}', $key, $temp);
+				$temp = str_replace('{result}', $val, $temp);
+				$table .= $temp;
+			}
+			
+			$r .= str_replace('{rows}', $table, $this->_template);
+		}
+	
+		return $r;	
+	}	
+	
+	// --------------------------------------------------------------------
+	
+	/**
+	 * Use strict comparison
+	 *
+	 * Causes the evaluation to use === rather then ==
+	 *
+	 * @access	public
+	 * @param	bool
+	 * @return	null
+	 */
+	function use_strict($state = TRUE)
+	{
+		$this->strict = ($state == FALSE) ? FALSE : TRUE;
+	}
+	
+	// --------------------------------------------------------------------
+	
+	/**
+	 * Make Unit testing active
+	 *
+	 * Enables/disables unit testing  
+	 *
+	 * @access	public
+	 * @param	bool
+	 * @return	null
+	 */
+	function active($state = TRUE)
+	{
+		$this->active = ($state == FALSE) ? FALSE : TRUE;
+	}
+	
+	// --------------------------------------------------------------------
+	
+	/**
+	 * Result Array
+	 *
+	 * Returns the raw result data
+	 *
+	 * @access	public
+	 * @return	array
+	 */
+	function result($results = array())
+	{	
+		$obj =& get_instance();
+		$obj->load->language('unit_test');
+		
+		if (count($results) == 0)
+		{
+			$results = $this->results;
+		}
+		
+		$retval = array();
+		foreach ($results as $result)
+		{
+			$temp = array();
+			foreach ($result as $key => $val)
+			{
+				if (is_array($val))
+				{
+					foreach ($val as $k => $v)
+					{
+						if (FALSE !== ($line = $obj->lang->line(strtolower('ut_'.$v))))
+						{
+							$v = $line;
+						}				
+						$temp[$obj->lang->line('ut_'.$k)] = $v;					
+					}
+				}
+				else
+				{
+					if (FALSE !== ($line = $obj->lang->line(strtolower('ut_'.$val))))
+					{
+						$val = $line;
+					}				
+					$temp[$obj->lang->line('ut_'.$key)] = $val;
+				}
+			}
+			
+			$retval[] = $temp;
+		}
+	
+		return $retval;
+	}
+	
+	// --------------------------------------------------------------------
+	
+	/**
+	 * Set the template
+	 *
+	 * This lets us set the template to be used to display results
+	 *
+	 * @access	public
+	 * @params	string
+	 * @return	void
+	 */	
+	function set_template($template)
+	{
+		$this->_template = $template;
+	}
+	
+	// --------------------------------------------------------------------
+	
+	/**
+	 * Generate a backtrace
+	 *
+	 * This lets us show file names and line numbers 
+	 *
+	 * @access	private
+	 * @return	array
+	 */
+	function _backtrace() 
+	{
+		if (function_exists('debug_backtrace')) 
+		{
+			$back = debug_backtrace();
+			
+			$file = ( ! isset($back['1']['file'])) ? '' : $back['1']['file'];
+			$line = ( ! isset($back['1']['line'])) ? '' : $back['1']['line'];
+						
+			return array('file' => $file, 'line' => $line);
+		}
+		return array('file' => 'Unknown', 'line' => 'Unknown');
+	}
+
+	// --------------------------------------------------------------------
+	
+	/**
+	 * Get Default Template
+	 *
+	 * @access	private
+	 * @return	string
+	 */
+	function _default_template()
+	{	
+		$this->_template = '	
+		<div style="margin:15px;background-color:#ccc;">
+		<table border="0" cellpadding="4" cellspacing="1" style="width:100%;">		
+		{rows}
+		</table></div>';
+		
+		$this->_template_rows = '
+		<tr>
+		<td style="background-color:#fff;width:140px;font-size:12px;font-weight:bold;">{item}</td>
+		<td style="background-color:#fff;font-size:12px;">{result}</td>
+		</tr>
+		';	
+	}
+	
+	// --------------------------------------------------------------------
+
+	/**
+	 * Parse Template
+	 *
+	 * Harvests the data within the template {pseudo-variables}
+	 *
+	 * @access	private
+	 * @return	void
+	 */
+ 	function _parse_template()
+ 	{
+ 		if ( ! is_null($this->_template_rows))
+ 		{
+ 			return;
+ 		}
+ 		
+ 		if (is_null($this->_template))
+ 		{
+ 			$this->_default_template();
+ 			return;
+ 		}
+ 		
+		if ( ! preg_match("/\{rows\}(.*?)\{\/rows\}/si", $this->_template, $match))
+		{
+ 			$this->_default_template();
+ 			return;
+		}
+
+		$this->_template_rows = $match['1'];
+		$this->_template = str_replace($match['0'], '{rows}', $this->_template); 	
+ 	}
+ 	
+}
+// END Unit_test Class
+
+/**
+ * Helper functions to test boolean true/false
+ * 
+ *
+ * @access	private
+ * @return	bool
+ */
+function is_true($test)
+{
+	return (is_bool($test) AND $test === TRUE) ? TRUE : FALSE;
+}
+function is_false($test)
+{
+	return (is_bool($test) AND $test === FALSE) ? TRUE : FALSE;
+}
+
+?>
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