Symfony2 FunctionalTestCase for extending integration test classes

FunctionalTestCase.php

<?php

namespace Panda86\AppBundle\Tests;

use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
use Symfony\Bundle\FrameworkBundle\Console\Application;
use Symfony\Component\Console\Input\ArrayInput;
use Symfony\Component\Console\Input\StringInput;

class FunctionalTestCase extends WebTestCase
{
    /**
     * @var \Doctrine\ORM\EntityManager
     */
    protected $em;

    protected static $application;

    /**
     * {@inheritDoc}
     */
    public function setUp()
    {
        static::$kernel = static::createKernel();
        static::$kernel->boot();
        $this->em = static::$kernel->getContainer()
            ->get('doctrine')
            ->getManager()
        ;
        self::runCommand('doctrine:database:create');
        self::runCommand('doctrine:schema:update --force');
        self::runCommand('doctrine:fixtures:load --append');
    }

    protected static function runCommand($command)
    {
        $command = sprintf('%s --quiet', $command);

        return self::getApplication()->run(new StringInput($command));
    }

    protected static function getApplication()
    {
        if (null === self::$application) {
            $client = static::createClient();

            self::$application = new Application($client->getKernel());
            self::$application->setAutoExit(false);
        }

        return self::$application;
    }

    /**
     * {@inheritDoc}
     */
    protected function tearDown()
    {
        parent::tearDown();
        $this->em->close();
    }

}