gistfile1.php

<?php

use Symfony\Component\Config\FileLocator;
use Symfony\Component\Config\Loader\LoaderResolver;
use Symfony\Component\DependencyInjection\Loader;
use Symfony\Component\DependencyInjection\ContainerBuilder;

abstract class ContainerTestCase extends \PHPUnit_Framework_TestCase
{
    protected $container;
    protected $serviceConfigDir = '/../../Resources/config';
    
    protected function getContainer()
    {
        if (null === $this->container) {
            $this->initializeContainer();
        }
        
        return $this->container;
    }
    
    protected function initializeContainer()
    {
        $this->container = new ContainerBuilder();
        $locator = new FileLocator($this->serviceConfigDir);
        $loader = new LoaderResolver(array(
            new Loader\YamlFileLoader($this->container, $locator),
            new Loader\XmlFileLoader($this->container, $locator),
            new Loader\PhpFileLoader($this->container, $locator),
        ));
        
        foreach ($this->getServiceFiles() as $file) {
            $loader->load($file);
        }
    }
    
    /**
     * Returns an array of service files to load.
     * 
     * @return array
     */
    abstract protected getServiceFiles();
}