public function testToXmlWithTree()
{
$nestedset = new NestedSet_Model();
$db = Zend_Db::factory('Pdo_Sqlite', array('dbname' => 'tests/test.db'));
$nestedset->setDb($db);
$nestedset->setTableName('nested');
$nestedset->add('foo');
$nestedset->add('bar', 1);
$nestedset->add('foobar', 1);
$tree = $nestedset->getElement(1);
$xml = new DomDocument(1.0);
$xml->load('tests/expected_result.xml');
$this->assertEquals($nestedset->toXml($tree), $xml->saveXML());
}
