PHP Nette CLI comfortable debugging

ConsoleDebug.php

<?php

namespace Tools;

use Nette\Debug;
use Nette\Environment;
use Nette\Finder;

/**
 * Shows exceptions thrown in CLI mode in browser.
 * @author Ondřej Mirtes
 */
class ConsoleDebug extends \Nette\Object
{

	/**
	 * @var bool
	 */
	private static $enabled = FALSE;

	/**
	 * @var string
	 */
	private static $browser;
	
	/**
	 * @var string
	 */
	private static $catchOnly;
	
	/**
	 * @var bool
	 */
	private static $alreadyShowed = FALSE;

	public function __construct()
	{
		throw new \LogicException('Can not instantiate static class.');
	}
	
	/**
	 * @param string Browser CLI command with %s placeholder for log file path
	 * @param string Catches only exception of given type	 
	 */
	public static function enable($browser, $catchOnly = NULL)
	{
		self::$browser = $browser;
		self::$catchOnly = $catchOnly;

		Debug::$onFatalError[] = array(__CLASS__, '_exceptionHandler');
		
		self::$enabled = TRUE;
	}
	
	public static function _exceptionHandler(\Exception $exception)
	{
		if (!self::$enabled || self::$alreadyShowed) {
			return;
		}
		
		$class = get_class($exception);
		if (Environment::isConsole()
			&& (self::$catchOnly == NULL
				|| $class == 'FatalErrorException'
				|| $class == self::$catchOnly)
			) {
			try {
				Debug::log($exception);
			
				$hash = md5($exception);
				foreach (new \DirectoryIterator(Debug::$logDirectory) as $entry) {
					if (strpos($entry, $hash)) {
						$file = (string) $entry;
						break;
					}
				}
				
				if (isset($file)) {
					exec(sprintf(self::$browser, escapeshellarg('file://' . Debug::$logDirectory . '/' . $file)));
					self::$alreadyShowed = TRUE;
				}
			} catch (\Exception $e) {
				echo $e->getMessage();
				return NULL;
			}
		}
	}

}

TestCase.php

<?php

use Tools\ConsoleDebug;

/**
 * Base class for all tests.
 */
abstract class TestCase extends PHPUnit_Framework_TestCase
{

	public function runBare()
	{
		try {
			return parent::runBare();
		} catch (\Exception $e) {
			if (!($e instanceof \PHPUnit_Framework_AssertionFailedError)) {
				ConsoleDebug::_exceptionHandler($e);
			}
			throw $e;
		}
	}

}