Override monolog stream handler for auto create directory

StreamHandler.php

<?php

namespace Acme\Demo\Monolog\Handler;

use Monolog\Handler\StreamHandler as BaseStreamHandler;
use Symfony\Component\Filesystem\Filesystem;

/**
 * Auto create log directory, if directory not found.
 * The base stream handler in monolog package not auto created
 * directory.
 */
class StreamHandler extends BaseStreamHandler
{
    const RIGHT = 0777;

    /**
     * {@inheritDoc}
     */
    public function write(array $record)
    {
        if (null === $this->stream) {
            if ($this->url) {
                if (stream_is_local($this->url)) {
                    $dir = dirname($this->url);

                    $fileSystem = new Filesystem();

                    if (!is_dir($dir)) {
                        $old = umask(0);
                        // Create directory
                        $fileSystem->mkdir($dir, self::RIGHT);
                        umask($old);
                    }

                    if (!is_file($this->url)) {
                        // Create empty file and change right
                        $fileSystem->touch($this->url);
                        $fileSystem->chmod($this->url, self::RIGHT);
                    }
                }
            }
        }

        parent::write($record);
    }
}

StreamHandlerTest.php

<?php

namespace Acme\Demo\Tests\Monolog\Handler;

use Acme\Demo\Monolog\Handler\StreamHandler;

class StreamHandlerTest extends \PHPUnit_Framework_TestCase
{
    /**
     * Test with create directory and touch file
     */
    public function testBase()
    {
        $dir = sys_get_temp_dir() . '/foo/bar/d' . time();
        $file = $dir . '/' . time() . '.log';
        $handler = new StreamHandler($file);

        $handler->write(array(
            'formatted' => 'First record'
        ));

        $this->assertTrue(is_dir($dir), sprintf('Directory "%s" not auto created.', $dir));
        $this->assertTrue(is_file($file), sprintf('File log "%s" not created.', $file));

        $logContent = file_get_contents($file);

        $this->assertContains('First record', trim($logContent));

        @unlink($file);
    }
}