<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
/*
 * LimeSurvey
 * Copyright (C) 2007-2011 The LimeSurvey Project Team / Carsten Schmitz
 * All rights reserved.
 * License: GNU/GPL License v2 or later, see LICENSE.php
 * LimeSurvey is free software. This version may have been modified pursuant
 * to the GNU General Public License, and as distributed it includes or
 * is derivative of works licensed under the GNU General Public License or
 * other free or open source software licenses.
 * See COPYRIGHT.php for copyright notices and details.
 *
 */
$libraryDir = APPPATH . 'libraries/simpletest';

if(!is_dir($libraryDir))
    exit("Simpletest must be located in \"$libraryDir\"");

require_once($libraryDir . '/unit_tester.php');
require_once($libraryDir . '/mock_objects.php');
require_once($libraryDir . '/reporter.php');

/**
* SimpleTester 1.1
* CodeIgniter-library for the SimpleTest unit test library, http://simpletest.org/
*
* Default settings: All php files in application/tests will be added to a
* unit tests suite and run automatically, displaying errors.
* See the included tests/TEMPLATE_*.php files for an introduction to SimpleTest.
*
* @access public
* @author Andreas Söderlund, ciscoheat CARE OF gmail DOT com
*/
class SimpleTester
{
	/**
	* What reporter should be used for display.
	* Could be either HtmlReporter, SmallReporter, MinimalReporter or ShowPasses.
	*/
	public $Reporter = 'MinimalReporter';

    private $testDir;
    private $testTitle;
    private $fileExtension;

	public function __construct($params)
	{
        $ci =& get_instance();

        if(isset($params['runFromIPs']) && strpos($params['runFromIPs'], $ci->input->server('SERVER_ADDR') === FALSE))
        {
            // Tests won't be run automatically from this IP.
            $params['noautorun'] = TRUE;
        }

        // Check if call was an AJAX call. No point in running test
        // if not seen and may break the call.
        $header = 'CONTENT_TYPE';
        if(!empty($_SERVER[$header])) {
        	// @todo Content types could be placed in config.
        	$ajaxContentTypes = array('application/x-www-form-urlencoded', 'multipart/form-data');
        	foreach ($ajaxContentTypes as $ajaxContentType) {
        		if(false !== stripos($_SERVER[$header], $ajaxContentType))
        		{
        			$params['noautorun'] = TRUE;
        			break;
        		}
        	}
        }

        $this->testDir = $params['testDir'];
        $this->testTitle = $params['testTitle'];
        $this->fileExtension = $params['fileExtension'];

        if(isset($params['reporter']))
            $this->Reporter = $params['reporter'];

        if(!isset($params['noautorun']) || $params['noautorun'] == FALSE)
            echo $this->Run();
	}

    /**
    * Run the tests, returning the reporter output.
    */
	public function Run()
	{
		// Save superglobals that might be tested.
		if(isset($_SESSION)) $oldsession = $_SESSION;
		$oldrequest = $_REQUEST;
		$oldpost = $_POST;
		$oldget = $_GET;
		$oldfiles = $_FILES;
		$oldcookie = $_COOKIE;

		$group_test = new TestSuite($this->testTitle);

		// Add files in tests_dir
		if(is_dir($this->testDir))
		{
			if($dh = opendir($this->testDir))
			{
				while(($file = readdir($dh)) !== FALSE)
				{
                    // Test if file ends with php, then include it.
                    if(substr($file, -(strlen($this->fileExtension)+1)) == '.' . $this->fileExtension)
                    {
					    $group_test->addFile($this->testDir . "/$file");
                    }
				}
				closedir($dh);
			}
		}

		// Start the tests
		ob_start();
		$group_test->run(new $this->Reporter);
		$output_buffer = ob_get_clean();

        // Restore superglobals
		if(isset($oldsession)) $_SESSION = $oldsession;
		$_REQUEST = $oldrequest;
		$_POST = $oldpost;
		$_GET = $oldget;
		$_FILES = $oldfiles;
		$_COOKIE = $oldcookie;

		return $output_buffer;
	}
}

// Html output reporter classes //////////////////////////////////////

/**
* Display passes
*/
class ShowPasses extends HtmlReporter
{
    function ShowPasses()
    {
        $this->HtmlReporter();
    }

    function paintPass($message)
    {
        parent::paintPass($message);
        print "<span class=\"pass\">Pass</span>: ";
        $breadcrumb = $this->getTestList();
        array_shift($breadcrumb);
        print implode("-&gt;", $breadcrumb);
        print "-&gt;$message<br />\n";
    }

    function getCss()
    {
        return parent::getCss() . ' .pass {color:green;}';
    }
}

/**
* Displays a tiny div in upper right corner when ok
*/
class SmallReporter extends HtmlReporter
{
    var $test_name;

    function ShowPasses()
    {
        $this->HtmlReporter();
    }

    function paintHeader($test_name)
    {
        $this->test_name = $test_name;
    }

    function paintFooter($test_name)
    {
        if($this->getFailCount() + $this->getExceptionCount() == 0)
        {
            $text = $this->getPassCount() . " tests ok";
            print "<div style=\"background-color:#F5FFA8; text-align:center; right:10px; top:30px; border:2px solid green; z-index:10; position:absolute;\">$text</div>";
        }
        else
        {
            parent::paintFooter($test_name);
            print "</div>";
        }
    }

    function paintFail($message)
    {
        static $header = FALSE;
        if(!$header)
        {
            $this->newPaintHeader();
            $header = TRUE;
        }
        parent::paintFail($message);
    }

    function newPaintHeader()
    {
        $this->sendNoCacheHeaders();
        print "<style type=\"text/css\">\n";
        print $this->getCss() . "\n";
        print "</style>\n";
        print "<h1 style=\"background-color:red; color:white;\">$this->test_name</h1>\n";
        print "<div style=\"background-color:#FBFBF0;\">";
        flush();
    }
}

/**
* Minimal only displays on error
*/
class MinimalReporter extends SmallReporter
{
    function paintFooter($test_name)
    {
        if($this->getFailCount() + $this->getExceptionCount() != 0)
        {
            parent::paintFooter($test_name);
            print "</div>";
        }
    }
}
