public function setUp()
{
$config = new \Doctrine\ORM\Configuration();
$config->setMetadataCacheImpl(new \Doctrine\Common\Cache\ArrayCache());
$config->setQueryCacheImpl(new \Doctrine\Common\Cache\ArrayCache());
$config->setProxyDir(__DIR__ . '/Proxies');
$config->setProxyNamespace('DoctrineExtensions\\Tests\\Proxies');
$config->setAutoGenerateProxyClasses(true);
$config->setMetadataDriverImpl($config->newDefaultAnnotationDriver(__DIR__ . '/../Entities'));
$config->setCustomStringFunctions(array('STR_TO_DATE' => 'DoctrineExtensions\\Query\\Postgresql\\StrToDate', 'COUNT_FILTER' => 'DoctrineExtensions\\Query\\Postgresql\\CountFilterFunction'));
$config->setCustomDateTimeFunctions(array('DATE_FORMAT' => 'DoctrineExtensions\\Query\\Postgresql\\DateFormat', 'AT_TIME_ZONE' => 'DoctrineExtensions\\Query\\Postgresql\\AtTimeZoneFunction'));
$this->entityManager = \Doctrine\ORM\EntityManager::create(array('driver' => 'pdo_sqlite', 'memory' => true), $config);
}
