add test server data test

src/test.rs

@@ -962,7 +962,7 @@ mod tests {
     use std::time::SystemTime;
 
     use super::*;
-    use crate::{http::header, web, App, HttpResponse};
+    use crate::{http::header, web, App, HttpResponse, Responder};
 
     #[actix_rt::test]
     async fn test_basics() {
@@ -1148,6 +1148,25 @@ mod tests {
         assert!(res.status().is_success());
     }
 
+    #[actix_rt::test]
+    async fn test_server_data() {
+        async fn handler(data: web::Data<usize>) -> impl Responder {
+            assert_eq!(**data, 10);
+            HttpResponse::Ok()
+        }
+
+        let mut app = init_service(
+            App::new()
+                .data(10usize)
+                .service(web::resource("/index.html").to(handler)),
+        )
+        .await;
+
+        let req = TestRequest::post().uri("/index.html").to_request();
+        let res = app.call(req).await.unwrap();
+        assert!(res.status().is_success());
+    }
+
     #[actix_rt::test]
     async fn test_actor() {
         use actix::Actor;