protected function doCheckAuthentication(Url $url)
{
$params = $url->getParams();
$params['openid_mode'] = 'check_authentication';
$data = http_build_query($params, '', '&');
$body = new TempStream(fopen('php://memory', 'r+'));
$request = new Request(new Url('http://127.0.0.1/openid'), 'POST', array('Content-Type' => 'application/x-www-urlencoded'), $data);
$response = new Response();
$response->setBody($body);
$controller = $this->loadController($request, $response);
$body = (string) $response->getBody();
$data = OpenId::keyValueDecode($body);
$this->assertEquals('http://specs.openid.net/auth/2.0', $data['ns']);
$this->assertEquals('true', $data['is_valid']);
}
