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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2019, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2019, British Columbia Institute of Technology (https://bcit.ca/)
* @license https://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.3.1
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* Unit Testing Class
*
* Simple testing class
*
* @package CodeIgniter
* @subpackage Libraries
* @category UnitTesting
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/libraries/unit_testing.html
*/
class CI_Unit_test {
/**
* Active flag
*
* @var bool
*/
public $active = TRUE;
/**
* Test results
*
* @var array
*/
public $results = array();
/**
* Strict comparison flag
*
* Whether to use === or == when comparing
*
* @var bool
*/
public $strict = FALSE;
/**
* Template
*
* @var string
*/
protected $_template = NULL;
/**
* Template rows
*
* @var string
*/
protected $_template_rows = NULL;
/**
* List of visible test items
*
* @var array
*/
protected $_test_items_visible = array(
'test_name',
'test_datatype',
'res_datatype',
'result',
'file',
'line',
'notes'
);
// --------------------------------------------------------------------
/**
* Constructor
*
* @return void
*/
public function __construct()
{
log_message('info', 'Unit Testing Class Initialized');
}
// --------------------------------------------------------------------
/**
* Run the tests
*
* Runs the supplied tests
*
* @param array $items
* @return void
*/
public function set_test_items($items)
{
if ( ! empty($items) && is_array($items))
{
$this->_test_items_visible = $items;
}
}
// --------------------------------------------------------------------
/**
* Run the tests
*
* Runs the supplied tests
*
* @param mixed $test
* @param mixed $expected
* @param string $test_name
* @param string $notes
* @return string
*/
public function run($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', 'is_resource'), TRUE))
{
$result = $expected($test);
$extype = str_replace(array('true', 'false'), 'bool', str_replace('is_', '', $expected));
}
else
{
$result = ($this->strict === TRUE) ? ($test === $expected) : ($test == $expected);
$extype = gettype($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(array($report)));
}
// --------------------------------------------------------------------
/**
* Generate a report
*
* Displays a table with the test data
*
* @param array $result
* @return string
*/
public function report($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>';
}
}
$table .= str_replace(array('{item}', '{result}'), array($key, $val), $this->_template_rows);
}
$r .= str_replace('{rows}', $table, $this->_template);
}
return $r;
}
// --------------------------------------------------------------------
/**
* Use strict comparison
*
* Causes the evaluation to use === rather than ==
*
* @param bool $state
* @return void
*/
public function use_strict($state = TRUE)
{
$this->strict = (bool) $state;
}
// --------------------------------------------------------------------
/**
* Make Unit testing active
*
* Enables/disables unit testing
*
* @param bool
* @return void
*/
public function active($state = TRUE)
{
$this->active = (bool) $state;
}
// --------------------------------------------------------------------
/**
* Result Array
*
* Returns the raw result data
*
* @param array $results
* @return array
*/
public function result($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, $this->_test_items_visible))
{
continue;
}
elseif (in_array($key, array('test_name', 'test_datatype', 'res_datatype', 'result'), TRUE))
{
if (FALSE !== ($line = $CI->lang->line(strtolower('ut_'.$val), FALSE)))
{
$val = $line;
}
}
$temp[$CI->lang->line('ut_'.$key, FALSE)] = $val;
}
$retval[] = $temp;
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Set the template
*
* This lets us set the template to be used to display results
*
* @param string
* @return void
*/
public function set_template($template)
{
$this->_template = $template;
}
// --------------------------------------------------------------------
/**
* Generate a backtrace
*
* This lets us show file names and line numbers
*
* @return array
*/
protected function _backtrace()
{
$back = debug_backtrace();
return array(
'file' => (isset($back[1]['file']) ? $back[1]['file'] : ''),
'line' => (isset($back[1]['line']) ? $back[1]['line'] : '')
);
}
// --------------------------------------------------------------------
/**
* Get Default Template
*
* @return string
*/
protected function _default_template()
{
$this->_template = "\n".'<table style="width:100%; font-size:small; margin:10px 0; border-collapse:collapse; border:1px solid #CCC;">{rows}'."\n</table>";
$this->_template_rows = "\n\t<tr>\n\t\t".'<th style="text-align: left; border-bottom:1px solid #CCC;">{item}</th>'
."\n\t\t".'<td style="border-bottom:1px solid #CCC;">{result}</td>'."\n\t</tr>";
}
// --------------------------------------------------------------------
/**
* Parse Template
*
* Harvests the data within the template {pseudo-variables}
*
* @return void
*/
protected function _parse_template()
{
if ($this->_template_rows !== NULL)
{
return;
}
if ($this->_template === NULL OR ! 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);
}
}
/**
* Helper function to test boolean TRUE
*
* @param mixed $test
* @return bool
*/
function is_true($test)
{
return ($test === TRUE);
}
/**
* Helper function to test boolean FALSE
*
* @param mixed $test
* @return bool
*/
function is_false($test)
{
return ($test === FALSE);
}