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<?php

/**

 * CakeTestSuiteDispatcher controls dispatching TestSuite web based requests.

 *

 * CakePHP(tm) Tests <http://book.cakephp.org/2.0/en/development/testing.html>

 * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)

 *

 * Licensed under The MIT License

 * For full copyright and license information, please see the LICENSE.txt

 * Redistributions of files must retain the above copyright notice

 *

 * @copyright     Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)

 * @link          http://cakephp.org CakePHP(tm) Project

 * @package       Cake.TestSuite

 * @since         CakePHP(tm) v 1.3

 * @license       http://www.opensource.org/licenses/mit-license.php MIT License

 */

define('CORE_TEST_CASES', CAKE . 'Test' . DS . 'Case');

define('APP_TEST_CASES', TESTS . 'Case');

App::uses('CakeTestSuiteCommand', 'TestSuite');

/**

 * CakeTestSuiteDispatcher handles web requests to the test suite and runs the correct action.

 *

 * @package       Cake.TestSuite

 */

class CakeTestSuiteDispatcher {

/**

 * 'Request' parameters

 *

 * @var array

 */

	public $params = array(

		'codeCoverage' => false,

		'case' => null,

		'core' => false,

		'app' => true,

		'plugin' => null,

		'output' => 'html',

		'show' => 'groups',

		'show_passes' => false,

		'filter' => false,

		'fixture' => null

	);

/**

 * Baseurl for the request

 *

 * @var string

 */

	protected $_baseUrl;

/**

 * Base dir of the request. Used for accessing assets.

 *

 * @var string

 */

	protected $_baseDir;

/**

 * boolean to set auto parsing of params.

 *

 * @var bool

 */

	protected $_paramsParsed = false;

/**

 * reporter instance used for the request

 *

 * @var CakeBaseReporter

 */

	protected static $_Reporter = null;

/**

 * Constructor

 */

	public function __construct() {

		$this->_baseUrl = $_SERVER['PHP_SELF'];

		$dir = rtrim(dirname($this->_baseUrl), '\\');

		$this->_baseDir = ($dir === '/') ? $dir : $dir . '/';

	}

/**

 * Runs the actions required by the URL parameters.

 *

 * @return void

 */

	public function dispatch() {

		$this->_checkPHPUnit();

		$this->_parseParams();

		if ($this->params['case']) {

			$value = $this->_runTestCase();

		} else {

			$value = $this->_testCaseList();

		}

		$output = ob_get_clean();

		echo $output;

		return $value;

	}

/**

 * Static method to initialize the test runner, keeps global space clean

 *

 * @return void

 */

	public static function run() {

		$dispatcher = new CakeTestSuiteDispatcher();

		$dispatcher->dispatch();

	}

/**

 * Checks that PHPUnit is installed. Will exit if it doesn't

 *

 * @return void

 */

	protected function _checkPHPUnit() {

		$found = $this->loadTestFramework();

		if (!$found) {

			$baseDir = $this->_baseDir;

			include CAKE . 'TestSuite' . DS . 'templates' . DS . 'phpunit.php';

			exit();

		}

	}

/**

 * Checks for the existence of the test framework files

 *

 * @return bool true if found, false otherwise

 */

	public function loadTestFramework() {

		if (class_exists('PHPUnit_Framework_TestCase')) {

			return true;

		}

		$phpunitPath = 'phpunit' . DS . 'phpunit';

		if (defined('PHP_WINDOWS_VERSION_MAJOR')) {

			$composerGlobalDir[] = env('APPDATA') . DS . 'Composer' . DS . 'vendor' . DS;

		} else {

			$composerGlobalDir[] = env('HOME') . DS . '.composer' . DS . 'vendor' . DS;

		}

		$vendors = array_merge(App::path('vendors'), $composerGlobalDir);

		foreach ($vendors as $vendor) {

			$vendor = rtrim($vendor, DS);

			if (is_dir($vendor . DS . $phpunitPath)) {

				ini_set('include_path', $vendor . DS . $phpunitPath . PATH_SEPARATOR . ini_get('include_path'));

				break;

			} elseif (is_dir($vendor . DS . 'PHPUnit')) {

				ini_set('include_path', $vendor . PATH_SEPARATOR . ini_get('include_path'));

				break;

			}

		}

		include 'PHPUnit' . DS . 'Autoload.php';

		return class_exists('PHPUnit_Framework_TestCase');

	}

/**

 * Checks for the xdebug extension required to do code coverage. Displays an error

 * if xdebug isn't installed.

 *

 * @return void

 */

	protected function _checkXdebug() {

		if (!extension_loaded('xdebug')) {

			$baseDir = $this->_baseDir;

			include CAKE . 'TestSuite' . DS . 'templates' . DS . 'xdebug.php';

			exit();

		}

	}

/**

 * Generates a page containing the a list of test cases that could be run.

 *

 * @return void

 */

	protected function _testCaseList() {

		$command = new CakeTestSuiteCommand('', $this->params);

		$Reporter = $command->handleReporter($this->params['output']);

		$Reporter->paintDocumentStart();

		$Reporter->paintTestMenu();

		$Reporter->testCaseList();

		$Reporter->paintDocumentEnd();

	}

/**

 * Sets the params, calling this will bypass the auto parameter parsing.

 *

 * @param array $params Array of parameters for the dispatcher

 * @return void

 */

	public function setParams($params) {

		$this->params = $params;

		$this->_paramsParsed = true;

	}

/**

 * Parse URL params into a 'request'

 *

 * @return void

 */

	protected function _parseParams() {

		if (!$this->_paramsParsed) {

			if (!isset($_SERVER['SERVER_NAME'])) {

				$_SERVER['SERVER_NAME'] = '';

			}

			foreach ($this->params as $key => $value) {

				if (isset($_GET[$key])) {

					$this->params[$key] = $_GET[$key];

				}

			}

			if (isset($_GET['code_coverage'])) {

				$this->params['codeCoverage'] = true;

				$this->_checkXdebug();

			}

		}

		if (empty($this->params['plugin']) && empty($this->params['core'])) {

			$this->params['app'] = true;

		}

		$this->params['baseUrl'] = $this->_baseUrl;

		$this->params['baseDir'] = $this->_baseDir;

	}

/**

 * Runs a test case file.

 *

 * @return void

 */

	protected function _runTestCase() {

		$commandArgs = array(

			'case' => $this->params['case'],

			'core' => $this->params['core'],

			'app' => $this->params['app'],

			'plugin' => $this->params['plugin'],

			'codeCoverage' => $this->params['codeCoverage'],

			'showPasses' => !empty($this->params['show_passes']),

			'baseUrl' => $this->_baseUrl,

			'baseDir' => $this->_baseDir,

		);

		$options = array(

			'--filter', $this->params['filter'],

			'--output', $this->params['output'],

			'--fixture', $this->params['fixture']

		);

		restore_error_handler();

		try {

			self::time();

			$command = new CakeTestSuiteCommand('CakeTestLoader', $commandArgs);

			$command->run($options);

		} catch (MissingConnectionException $exception) {

			ob_end_clean();

			$baseDir = $this->_baseDir;

			include CAKE . 'TestSuite' . DS . 'templates' . DS . 'missing_connection.php';

			exit();

		}

	}

/**

 * Sets a static timestamp

 *

 * @param bool $reset to set new static timestamp.

 * @return int timestamp

 */

	public static function time($reset = false) {

		static $now;

		if ($reset || !$now) {

			$now = time();

		}

		return $now;

	}

/**

 * Returns formatted date string using static time

 * This method is being used as formatter for created, modified and updated fields in Model::save()

 *

 * @param string $format format to be used.

 * @return string formatted date

 */

	public static function date($format) {

		return date($format, self::time());

	}

}