add ServerConfig param for server service

actix-server/tests/test_server.rs

@@ -0,0 +1,55 @@
+use std::{net, thread, time};
+
+use actix_server::{Server, ServerConfig};
+use actix_service::{fn_cfg_factory, IntoService};
+use net2::TcpBuilder;
+
+fn unused_addr() -> net::SocketAddr {
+    let addr: net::SocketAddr = "127.0.0.1:0".parse().unwrap();
+    let socket = TcpBuilder::new_v4().unwrap();
+    socket.bind(&addr).unwrap();
+    socket.reuse_address(true).unwrap();
+    let tcp = socket.to_tcp_listener().unwrap();
+    tcp.local_addr().unwrap()
+}
+
+#[test]
+fn test_bind() {
+    let addr = unused_addr();
+
+    thread::spawn(move || {
+        Server::build()
+            .bind("test", addr, move || {
+                fn_cfg_factory(move |cfg: &ServerConfig| {
+                    assert_eq!(cfg.local_addr(), addr);
+                    Ok::<_, ()>((|_| Ok::<_, ()>(())).into_service())
+                })
+            })
+            .unwrap()
+            .run()
+    });
+
+    thread::sleep(time::Duration::from_millis(500));
+    assert!(net::TcpStream::connect(addr).is_ok());
+}
+
+#[test]
+fn test_listen() {
+    let addr = unused_addr();
+
+    thread::spawn(move || {
+        let lst = net::TcpListener::bind(addr).unwrap();
+        Server::build()
+            .listen("test", lst, move || {
+                fn_cfg_factory(move |cfg: &ServerConfig| {
+                    assert_eq!(cfg.local_addr(), addr);
+                    Ok::<_, ()>((|_| Ok::<_, ()>(())).into_service())
+                })
+            })
+            .unwrap()
+            .run()
+    });
+
+    thread::sleep(time::Duration::from_millis(500));
+    assert!(net::TcpStream::connect(addr).is_ok());
+}