add support for multiple extractors

tests/test_handlers.rs

@@ -0,0 +1,63 @@
+extern crate actix;
+extern crate actix_web;
+extern crate tokio_core;
+extern crate futures;
+extern crate h2;
+extern crate http;
+extern crate bytes;
+#[macro_use] extern crate serde_derive;
+
+use actix_web::*;
+use bytes::Bytes;
+use http::StatusCode;
+
+#[derive(Deserialize)]
+struct PParam {
+    username: String,
+}
+
+#[test]
+fn test_path_extractor() {
+    let mut srv = test::TestServer::new(|app| {
+        app.resource(
+            "/{username}/index.html", |r| r.with(
+                |p: Path<PParam>| format!("Welcome {}!", p.username)));
+        }
+    );
+
+    // client request
+    let request = srv.get().uri(srv.url("/test/index.html"))
+        .finish().unwrap();
+    let response = srv.execute(request.send()).unwrap();
+    assert!(response.status().is_success());
+
+    // read response
+    let bytes = srv.execute(response.body()).unwrap();
+    assert_eq!(bytes, Bytes::from_static(b"Welcome test!"));
+}
+
+#[test]
+fn test_query_extractor() {
+    let mut srv = test::TestServer::new(|app| {
+        app.resource(
+            "/index.html", |r| r.with(
+                |p: Query<PParam>| format!("Welcome {}!", p.username)));
+    }
+    );
+
+    // client request
+    let request = srv.get().uri(srv.url("/index.html?username=test"))
+        .finish().unwrap();
+    let response = srv.execute(request.send()).unwrap();
+    assert!(response.status().is_success());
+
+    // read response
+    let bytes = srv.execute(response.body()).unwrap();
+    assert_eq!(bytes, Bytes::from_static(b"Welcome test!"));
+
+    // client request
+    let request = srv.get().uri(srv.url("/index.html"))
+        .finish().unwrap();
+    let response = srv.execute(request.send()).unwrap();
+    assert_eq!(response.status(), StatusCode::BAD_REQUEST);
+}