function test_send_request_and_get_response_concurrently()
{
$client = new CurlHttpClient();
$google_request = new HttpRequest('GET', 'http://www.google.com/');
$yahoo_request = new HttpRequest('GET', 'http://www.yahoo.com/');
$google_key = $client->send_request($google_request);
$yahoo_key = $client->send_request($yahoo_request);
$yahoo_response = $client->get_response_for($yahoo_key);
$google_response = $client->get_response_for($google_key);
$this->assertContains('Server: gws', $google_response);
$this->assertContains('X-XRDS-Location: http://open.login.yahooapis.com/openid20/www.yahoo.com/xrds', $yahoo_response);
}
function test_send_request_with_head_method()
{
$client = new CurlHttpClient();
$google_request = new HttpRequest('HEAD', 'http://www.google.com/');
$google_key = $client->send_request($google_request);
$google_response = $client->get_response_for($google_key);
$this->assertEquals('gws', $google_response->headers['server']);
}