public function testBuildWithCachedVersion()
{
$configBuilder = new ConfigBuilder(array('site_config' => array(dirname(__FILE__) . '/../fixtures/site_config')));
$res = $configBuilder->build('fr.wikipedia.org');
$this->assertInstanceOf('Graby\\SiteConfig\\SiteConfig', $res);
$configBuilder->addToCache($res->cache_key, $res);
$res2 = $configBuilder->build('fr.wikipedia.org');
$this->assertInstanceOf('Graby\\SiteConfig\\SiteConfig', $res);
$this->assertEquals($res, $res2, 'Config retrieve from cache');
}