change Host header to have hostname and port

src/client/request.rs

@@ -58,8 +58,12 @@ impl Request<Fresh> {
 
         let stream: S = try_io!(NetworkStream::connect(host.as_slice(), port, url.scheme.as_slice()));
         let stream = ThroughWriter(BufferedWriter::new(stream.dynamic()));
+
         let mut headers = Headers::new();
-        headers.set(Host(format!("{}:{}", host, port)));
+        headers.set(Host {
+            hostname: host,
+            port: Some(port),
+        });
 
         Ok(Request {
             method: method,
@@ -188,32 +192,3 @@ impl Writer for Request<Streaming> {
     }
 }
 
-
-#[cfg(test)]
-mod tests {
-    use header::common::Host;
-    use method::Get;
-    use net::MockStream;
-    use url::Url;
-    use super::Request;
-
-
-    #[test]
-    fn test_host_header() {
-        fn check_host(url: &str, host_header: &str) {
-            let request = Request::with_stream::<MockStream>(
-                Get,
-                Url::parse(url).unwrap(),
-            ).unwrap();
-
-            assert_eq!(
-                &Host(host_header.to_string()),
-                request.headers().get::<Host>().unwrap()
-            );
-        }
-
-        check_host("http://www.example.com/path", "www.example.com:80");
-        check_host("https://www.example.com/path", "www.example.com:443");
-        check_host("http://www.example.com:8080/path", "www.example.com:8080");
-    }
-}