DoctrineExtensions\Tests\Query\DbTestCase::setUp PHP Method

    public function setUp()
    {
        $this->configuration = new Configuration();
        $this->configuration->setMetadataCacheImpl(new ArrayCache());
        $this->configuration->setQueryCacheImpl(new ArrayCache());
        $this->configuration->setProxyDir(__DIR__ . '/Proxies');
        $this->configuration->setProxyNamespace('DoctrineExtensions\\Tests\\Proxies');
        $this->configuration->setAutoGenerateProxyClasses(true);
        $this->configuration->setMetadataDriverImpl($this->configuration->newDefaultAnnotationDriver(__DIR__ . '/../Entities'));
        $this->entityManager = EntityManager::create(array('driver' => 'pdo_sqlite', 'memory' => true), $this->configuration);
    }

 public function setUp()
 {
     parent::setUp();
     ConfigLoader::load($this->configuration, ConfigLoader::SQLITE);
     $emConfiguration = $this->entityManager->getConfiguration();
     if (method_exists($emConfiguration, 'getQuoteStrategy') === false) {
         // doctrine < 2.3
         $this->columnAlias = 'sclr0';
     } else {
         $this->columnAlias = $emConfiguration->getQuoteStrategy()->getColumnAlias('sclr', 0, $this->entityManager->getConnection()->getDatabasePlatform(), $this->entityManager->getClassMetadata('DoctrineExtensions\\Tests\\Entities\\Date'));
     }
 }