doctrine2/tests/Doctrine/Tests/ORM/Mapping/YamlMappingDriverTest.php

<?php

namespace Doctrine\Tests\ORM\Mapping;

use Doctrine\ORM\Mapping\ClassMetadata,
    Doctrine\ORM\Mapping\Driver\XmlDriver,
    Doctrine\ORM\Mapping\Driver\YamlDriver;

require_once __DIR__ . '/../../TestInit.php';

class YamlMappingDriverTest extends AbstractMappingDriverTest
{
    protected function _loadDriver()
    {
        if (!class_exists('Symfony\Component\Yaml\Yaml', true)) {
            $this->markTestSkipped('Please install Symfony YAML Component into the include path of your PHP installation.');
        }

        return new YamlDriver(__DIR__ . DIRECTORY_SEPARATOR . 'yaml');
    }

    public function testJoinTablesWithMappedSuperclassForYamlDriver()
    {
        $em = $this->_getTestEntityManager();
        $em->getConfiguration()->setMetadataDriverImpl(new \Doctrine\ORM\Mapping\Driver\YamlDriver(__DIR__ . '/yaml/'));

        var_dump($em->getClassMetadata('Doctrine\Tests\ORM\Mapping\Page'));
        var_dump($em->getClassMetadata('Doctrine\Tests\ORM\Mapping\Directory'));

        $dql = "SELECT f FROM Doctrine\Tests\ORM\Mapping\Page f JOIN f.parentDirectory d " .
               "WHERE (d.url = :url) AND (f.extension = :extension)";

        $query = $em->createQuery($dql)
                    ->setParameter('url', "test")
                    ->setParameter('extension', "extension");

        var_dump($query->getSql());

        // Is there a way to generalize this more? (Instead of a2_., check if the table prefix in the ON clause is set within a FROM or JOIN clause..)
        $this->assertTrue(strpos($query->getSql(), 'a2_.') === false);
    }

}

class Directory extends AbstractContentItem
{

    protected $subDirectories;
    /**
     * This is a collection of files that are contained in this Directory. Files, for example, could be Pages, but even other files
     * like media files (css, images etc) are possible.
     * 
     * @var \Doctrine\Common\Collections\Collection
     * @access protected
     */
    protected $containedFiles;
    /**
     * @var string
     */
    protected $url;
}

class Page extends AbstractContentItem
{

    protected $extension = "html";

}

abstract class AbstractContentItem
{

    /**
     * Doctrine2 entity id
     * @var integer
     */
    private $id;
    /**
     * The parent directory
     * @var Directory
     */
    protected $parentDirectory;
    /**
     * Filename (without extension) or directory name
     * @var string
     */
    protected $name;
}