Viewing file:  Unit_test.php (8.01 KB) -rw-r--r--
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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.3.1
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Unit Testing Class
*
* Simple testing class
*
* @package CodeIgniter
* @subpackage Libraries
* @category UnitTesting
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/libraries/uri.html
*/
class CI_Unit_test {
var $active = TRUE;
var $results = array();
var $strict = FALSE;
var $_template = NULL;
var $_template_rows = NULL;
var $_test_items_visible = array();
public function __construct()
{
// These are the default items visible when a test is run.
$this->_test_items_visible = array (
'test_name',
'test_datatype',
'res_datatype',
'result',
'file',
'line',
'notes'
);
log_message('debug', "Unit Testing Class Initialized");
}
// --------------------------------------------------------------------
/**
* Run the tests
*
* Runs the supplied tests
*
* @access public
* @param array
* @return void
*/
function set_test_items($items = array())
{
if ( ! empty($items) AND is_array($items))
{
$this->_test_items_visible = $items;
}
}
// --------------------------------------------------------------------
/**
* Run the tests
*
* Runs the supplied tests
*
* @access public
* @param mixed
* @param mixed
* @param string
* @return string
*/
function run($test, $expected = TRUE, $test_name = 'undefined', $notes = '')
{
if ($this->active == FALSE)
{
return FALSE;
}
if (in_array($expected, array('is_object', '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'],
'notes' => $notes
);
$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();
}
$CI =& get_instance();
$CI->load->language('unit_test');
$this->_parse_template();
$r = '';
foreach ($result as $res)
{
$table = '';
foreach ($res as $key => $val)
{
if ($key == $CI->lang->line('ut_result'))
{
if ($val == $CI->lang->line('ut_passed'))
{
$val = '<span style="color: #0C0;">'.$val.'</span>';
}
elseif ($val == $CI->lang->line('ut_failed'))
{
$val = '<span style="color: #C00;">'.$val.'</span>';
}
}
$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 $r;
}
// --------------------------------------------------------------------
/**
* Use strict comparison
*
* Causes the evaluation to use === rather than ==
*
* @access public
* @param bool
* @return null
*/
function use_strict($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())
{
$CI =& get_instance();
$CI->load->language('unit_test');
if (count($results) == 0)
{
$results = $this->results;
}
$retval = array();
foreach ($results as $result)
{
$temp = array();
foreach ($result as $key => $val)
{
if ( ! in_array($key, $this->_test_items_visible))
{
continue;
}
if (is_array($val))
{
foreach ($val as $k => $v)
{
if (FALSE !== ($line = $CI->lang->line(strtolower('ut_'.$v))))
{
$v = $line;
}
$temp[$CI->lang->line('ut_'.$k)] = $v;
}
}
else
{
if (FALSE !== ($line = $CI->lang->line(strtolower('ut_'.$val))))
{
$val = $line;
}
$temp[$CI->lang->line('ut_'.$key)] = $val;
}
}
$retval[] = $temp;
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Set the template
*
* This lets us set the template to be used to display results
*
* @access public
* @param string
* @return void
*/
function set_template($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 = "\n".'<table style="width:100%; font-size:small; margin:10px 0; border-collapse:collapse; border:1px solid #CCC;">';
$this->_template .= '{rows}';
$this->_template .= "\n".'</table>';
$this->_template_rows = "\n\t".'<tr>';
$this->_template_rows .= "\n\t\t".'<th style="text-align: left; border-bottom:1px solid #CCC;">{item}</th>';
$this->_template_rows .= "\n\t\t".'<td style="border-bottom:1px solid #CCC;">{result}</td>';
$this->_template_rows .= "\n\t".'</tr>';
}
// --------------------------------------------------------------------
/**
* Parse Template
*
* Harvests the data within the template {pseudo-variables}
*
* @access private
* @return void
*/
function _parse_template()
{
if ( ! is_null($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;
}
/* End of file Unit_test.php */
/* Location: ./system/libraries/Unit_test.php */
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