prepare actix-files release

- Takes a type which implements serde::Serialize, serializes it to JSON,
and sets it as the payload. The content-type is also set to JSON.

CHANGES.md

@@ -1,5 +1,23 @@
 # Changes
 
+## [1.0.0] - 2019-05-xx
+
+### Add
+
+* Add `ServiceRequest::set_payload()` method.
+
+* Add `test::TestRequest::set_json()` convenience method to automatically
+  serialize data and set header in test requests.
+
+### Changes
+
+* Drop an unnecessary `Option<_>` indirection around `ServerBuilder` from `HttpServer`. #863
+
+### Fixed
+
+* Clear http requests pool on app service drop #860
+
+
 ## [1.0.0-rc] - 2019-05-18
 
 ### Add

actix-files/CHANGES.md

@@ -1,5 +1,10 @@
 # Changes
 
+## [0.1.0] - 2019-05-25
+
+* NamedFile last-modified check always fails due to nano-seconds
+  in file modified date #820
+
 ## [0.1.0-beta.4] - 2019-05-12
 
 * Update actix-web to beta.4

actix-files/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "actix-files"
-version = "0.1.0-beta.4"
+version = "0.1.0"
 authors = ["Nikolay Kim <fafhrd91@gmail.com>"]
 description = "Static files support for actix web."
 readme = "README.md"
@@ -18,7 +18,7 @@ name = "actix_files"
 path = "src/lib.rs"
 
 [dependencies]
-actix-web = "1.0.0-beta.5"
+actix-web = "1.0.0-rc"
 actix-service = "0.4.0"
 bitflags = "1"
 bytes = "0.4"
@@ -31,4 +31,4 @@ percent-encoding = "1.0"
 v_htmlescape = "0.4"
 
 [dev-dependencies]
-actix-web = { version = "1.0.0-beta.5", features=["ssl"] }
+actix-web = { version = "1.0.0-rc", features=["ssl"] }

actix-files/src/named.rs

@@ -337,7 +337,12 @@ impl Responder for NamedFile {
         } else if let (Some(ref m), Some(header::IfUnmodifiedSince(ref since))) =
             (last_modified, req.get_header())
         {
-            m > since
+            let t1: SystemTime = m.clone().into();
+            let t2: SystemTime = since.clone().into();
+            match (t1.duration_since(UNIX_EPOCH), t2.duration_since(UNIX_EPOCH)) {
+                (Ok(t1), Ok(t2)) => t1 > t2,
+                _ => false,
+            }
         } else {
             false
         };
@@ -350,7 +355,12 @@ impl Responder for NamedFile {
         } else if let (Some(ref m), Some(header::IfModifiedSince(ref since))) =
             (last_modified, req.get_header())
         {
-            m <= since
+            let t1: SystemTime = m.clone().into();
+            let t2: SystemTime = since.clone().into();
+            match (t1.duration_since(UNIX_EPOCH), t2.duration_since(UNIX_EPOCH)) {
+                (Ok(t1), Ok(t2)) => t1 <= t2,
+                _ => false,
+            }
         } else {
             false
         };

actix-multipart/CHANGES.md

@@ -1,5 +1,9 @@
 # Changes
 
+## [0.1.0] - 2019-05-18
+
+* Release
+
 ## [0.1.0-beta.4] - 2019-05-12
 
 * Handle cancellation of uploads #834 #736

actix-multipart/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "actix-multipart"
-version = "0.1.0-beta.4"
+version = "0.1.0"
 authors = ["Nikolay Kim <fafhrd91@gmail.com>"]
 description = "Multipart support for actix web framework."
 readme = "README.md"
@@ -18,7 +18,7 @@ name = "actix_multipart"
 path = "src/lib.rs"
 
 [dependencies]
-actix-web = "1.0.0-beta.5"
+actix-web = "1.0.0-rc"
 actix-service = "0.4.0"
 bytes = "0.4"
 derive_more = "0.14"

actix-session/CHANGES.md

@@ -1,5 +1,9 @@
 # Changes
 
+## [0.1.0] - 2019-05-18
+
+* Use actix-web 1.0.0-rc
+
 ## [0.1.0-beta.4] - 2019-05-12
 
 * Use actix-web 1.0.0-beta.4

actix-session/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "actix-session"
-version = "0.1.0-beta.4"
+version = "0.1.0"
 authors = ["Nikolay Kim <fafhrd91@gmail.com>"]
 description = "Session for actix web framework."
 readme = "README.md"
@@ -24,7 +24,7 @@ default = ["cookie-session"]
 cookie-session = ["actix-web/secure-cookies"]
 
 [dependencies]
-actix-web = "1.0.0-beta.5"
+actix-web = "1.0.0-rc"
 actix-service = "0.4.0"
 bytes = "0.4"
 derive_more = "0.14"

src/app_service.rs

@@ -183,7 +183,7 @@ where
 }
 
 /// Service to convert `Request` to a `ServiceRequest<S>`
-pub struct AppInitService<T: Service, B>
+pub struct AppInitService<T, B>
 where
     T: Service<Request = ServiceRequest, Response = ServiceResponse<B>, Error = Error>,
 {
@@ -215,19 +215,31 @@ where
             inner.path.get_mut().update(&head.uri);
             inner.path.reset();
             inner.head = head;
+            inner.payload = payload;
             inner.app_data = self.data.clone();
             req
         } else {
             HttpRequest::new(
                 Path::new(Url::new(head.uri.clone())),
                 head,
+                payload,
                 self.rmap.clone(),
                 self.config.clone(),
                 self.data.clone(),
                 self.pool,
             )
         };
-        self.service.call(ServiceRequest::from_parts(req, payload))
+        self.service.call(ServiceRequest::new(req))
+    }
+}
+
+impl<T, B> Drop for AppInitService<T, B>
+where
+    T: Service<Request = ServiceRequest, Response = ServiceResponse<B>, Error = Error>,
+{
+    fn drop(&mut self) {
+        self.pool.clear();
+        println!("DROP: APP-INIT-ENTRY");
     }
 }
 
@@ -408,3 +420,38 @@ impl NewService for AppEntry {
         self.factory.borrow_mut().as_mut().unwrap().new_service(&())
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use actix_service::Service;
+    use std::sync::{
+        atomic::{AtomicBool, Ordering},
+        Arc,
+    };
+
+    use crate::{test, web, App, HttpResponse};
+
+    struct DropData(Arc<AtomicBool>);
+
+    impl Drop for DropData {
+        fn drop(&mut self) {
+            self.0.store(true, Ordering::Relaxed);
+            println!("Dropping!");
+        }
+    }
+
+    #[test]
+    fn drop_data() {
+        let data = Arc::new(AtomicBool::new(false));
+        {
+            let mut app = test::init_service(
+                App::new()
+                    .data(DropData(data.clone()))
+                    .service(web::resource("/test").to(|| HttpResponse::Ok())),
+            );
+            let req = test::TestRequest::with_uri("/test").to_request();
+            let _ = test::block_on(app.call(req)).unwrap();
+        }
+        assert!(data.load(Ordering::Relaxed));
+    }
+}

src/handler.rs

@@ -1,7 +1,7 @@
 use std::convert::Infallible;
 use std::marker::PhantomData;
 
-use actix_http::{Error, Payload, Response};
+use actix_http::{Error, Response};
 use actix_service::{NewService, Service};
 use futures::future::{ok, FutureResult};
 use futures::{try_ready, Async, Future, IntoFuture, Poll};
@@ -331,15 +331,15 @@ where
 
         ExtractResponse {
             fut,
+            req,
             fut_s: None,
-            req: Some((req, payload)),
             service: self.service.clone(),
         }
     }
 }
 
 pub struct ExtractResponse<T: FromRequest, S: Service> {
-    req: Option<(HttpRequest, Payload)>,
+    req: HttpRequest,
     service: S,
     fut: <T::Future as IntoFuture>::Future,
     fut_s: Option<S::Future>,
@@ -362,12 +362,11 @@ where
         }
 
         let item = try_ready!(self.fut.poll().map_err(|e| {
-            let (req, payload) = self.req.take().unwrap();
-            let req = ServiceRequest::from_parts(req, payload);
+            let req = ServiceRequest::new(self.req.clone());
             (e.into(), req)
         }));
 
-        self.fut_s = Some(self.service.call((item, self.req.take().unwrap().0)));
+        self.fut_s = Some(self.service.call((item, self.req.clone())));
         self.poll()
     }
 }

src/lib.rs

@@ -151,6 +151,7 @@ pub mod dev {
     };
     pub use actix_router::{Path, ResourceDef, ResourcePath, Url};
     pub use actix_server::Server;
+    pub use actix_service::{Service, Transform};
 
     pub(crate) fn insert_slash(path: &str) -> String {
         let mut path = path.to_owned();

src/request.rs

@@ -20,6 +20,7 @@ pub struct HttpRequest(pub(crate) Rc<HttpRequestInner>);
 pub(crate) struct HttpRequestInner {
     pub(crate) head: Message<RequestHead>,
     pub(crate) path: Path<Url>,
+    pub(crate) payload: Payload,
     pub(crate) app_data: Rc<Extensions>,
     rmap: Rc<ResourceMap>,
     config: AppConfig,
@@ -31,6 +32,7 @@ impl HttpRequest {
     pub(crate) fn new(
         path: Path<Url>,
         head: Message<RequestHead>,
+        payload: Payload,
         rmap: Rc<ResourceMap>,
         config: AppConfig,
         app_data: Rc<Extensions>,
@@ -39,6 +41,7 @@ impl HttpRequest {
         HttpRequest(Rc::new(HttpRequestInner {
             head,
             path,
+            payload,
             rmap,
             config,
             app_data,
@@ -325,6 +328,10 @@ impl HttpRequestPool {
             None
         }
     }
+
+    pub(crate) fn clear(&self) {
+        self.0.borrow_mut().clear()
+    }
 }
 
 #[cfg(test)]

src/server.rs

@@ -64,7 +64,7 @@ where
     config: Arc<Mutex<Config>>,
     backlog: i32,
     sockets: Vec<Socket>,
-    builder: Option<ServerBuilder>,
+    builder: ServerBuilder,
     _t: PhantomData<(S, B)>,
 }
 
@@ -91,7 +91,7 @@ where
             })),
             backlog: 1024,
             sockets: Vec::new(),
-            builder: Some(ServerBuilder::default()),
+            builder: ServerBuilder::default(),
             _t: PhantomData,
         }
     }
@@ -101,7 +101,7 @@ where
     /// By default http server uses number of available logical cpu as threads
     /// count.
     pub fn workers(mut self, num: usize) -> Self {
-        self.builder = Some(self.builder.take().unwrap().workers(num));
+        self.builder = self.builder.workers(num);
         self
     }
 
@@ -117,7 +117,7 @@ where
     /// This method should be called before `bind()` method call.
     pub fn backlog(mut self, backlog: i32) -> Self {
         self.backlog = backlog;
-        self.builder = Some(self.builder.take().unwrap().backlog(backlog));
+        self.builder = self.builder.backlog(backlog);
         self
     }
 
@@ -128,7 +128,7 @@ where
     ///
     /// By default max connections is set to a 25k.
     pub fn maxconn(mut self, num: usize) -> Self {
-        self.builder = Some(self.builder.take().unwrap().maxconn(num));
+        self.builder = self.builder.maxconn(num);
         self
     }
 
@@ -139,7 +139,7 @@ where
     ///
     /// By default max connections is set to a 256.
     pub fn maxconnrate(mut self, num: usize) -> Self {
-        self.builder = Some(self.builder.take().unwrap().maxconnrate(num));
+        self.builder = self.builder.maxconnrate(num);
         self
     }
 
@@ -190,13 +190,13 @@ where
 
     /// Stop actix system.
     pub fn system_exit(mut self) -> Self {
-        self.builder = Some(self.builder.take().unwrap().system_exit());
+        self.builder = self.builder.system_exit();
         self
     }
 
     /// Disable signal handling
     pub fn disable_signals(mut self) -> Self {
-        self.builder = Some(self.builder.take().unwrap().disable_signals());
+        self.builder = self.builder.disable_signals();
         self
     }
 
@@ -208,7 +208,7 @@ where
     ///
     /// By default shutdown timeout sets to 30 seconds.
     pub fn shutdown_timeout(mut self, sec: u64) -> Self {
-        self.builder = Some(self.builder.take().unwrap().shutdown_timeout(sec));
+        self.builder = self.builder.shutdown_timeout(sec);
         self
     }
 
@@ -240,7 +240,7 @@ where
             scheme: "http",
         });
 
-        self.builder = Some(self.builder.take().unwrap().listen(
+        self.builder = self.builder.listen(
             format!("actix-web-service-{}", addr),
             lst,
             move || {
@@ -250,8 +250,7 @@ where
                     .client_timeout(c.client_timeout)
                     .finish(factory())
             },
-        )?);
-
+        )?;
         Ok(self)
     }
 
@@ -260,20 +259,19 @@ where
     ///
     /// This method sets alpn protocols to "h2" and "http/1.1"
     pub fn listen_ssl(
-        mut self,
+        self,
         lst: net::TcpListener,
         builder: SslAcceptorBuilder,
     ) -> io::Result<Self> {
-        self.listen_ssl_inner(lst, openssl_acceptor(builder)?)?;
-        Ok(self)
+        self.listen_ssl_inner(lst, openssl_acceptor(builder)?)
     }
 
     #[cfg(feature = "ssl")]
     fn listen_ssl_inner(
-        &mut self,
+        mut self,
         lst: net::TcpListener,
         acceptor: SslAcceptor,
-    ) -> io::Result<()> {
+    ) -> io::Result<Self> {
         use actix_server::ssl::{OpensslAcceptor, SslError};
 
         let acceptor = OpensslAcceptor::new(acceptor);
@@ -285,7 +283,7 @@ where
             scheme: "https",
         });
 
-        self.builder = Some(self.builder.take().unwrap().listen(
+        self.builder = self.builder.listen(
             format!("actix-web-service-{}", addr),
             lst,
             move || {
@@ -300,8 +298,8 @@ where
                         .map_init_err(|_| ()),
                 )
             },
-        )?);
-        Ok(())
+        )?;
+        Ok(self)
     }
 
     #[cfg(feature = "rust-tls")]
@@ -309,20 +307,19 @@ where
     ///
     /// This method sets alpn protocols to "h2" and "http/1.1"
     pub fn listen_rustls(
-        mut self,
+        self,
         lst: net::TcpListener,
         config: RustlsServerConfig,
     ) -> io::Result<Self> {
-        self.listen_rustls_inner(lst, config)?;
-        Ok(self)
+        self.listen_rustls_inner(lst, config)
     }
 
     #[cfg(feature = "rust-tls")]
     fn listen_rustls_inner(
-        &mut self,
+        mut self,
         lst: net::TcpListener,
         mut config: RustlsServerConfig,
-    ) -> io::Result<()> {
+    ) -> io::Result<Self> {
         use actix_server::ssl::{RustlsAcceptor, SslError};
 
         let protos = vec!["h2".to_string().into(), "http/1.1".to_string().into()];
@@ -337,7 +334,7 @@ where
             scheme: "https",
         });
 
-        self.builder = Some(self.builder.take().unwrap().listen(
+        self.builder = self.builder.listen(
             format!("actix-web-service-{}", addr),
             lst,
             move || {
@@ -352,8 +349,8 @@ where
                         .map_init_err(|_| ()),
                 )
             },
-        )?);
-        Ok(())
+        )?;
+        Ok(self)
     }
 
     /// The socket address to bind
@@ -416,7 +413,7 @@ where
         let acceptor = openssl_acceptor(builder)?;
 
         for lst in sockets {
-            self.listen_ssl_inner(lst, acceptor.clone())?;
+            self = self.listen_ssl_inner(lst, acceptor.clone())?;
         }
 
         Ok(self)
@@ -433,7 +430,7 @@ where
     ) -> io::Result<Self> {
         let sockets = self.bind2(addr)?;
         for lst in sockets {
-            self.listen_rustls_inner(lst, config.clone())?;
+            self = self.listen_rustls_inner(lst, config.clone())?;
         }
         Ok(self)
     }
@@ -473,8 +470,8 @@ where
     ///    sys.run()  // <- Run actix system, this method starts all async processes
     /// }
     /// ```
-    pub fn start(mut self) -> Server {
-        self.builder.take().unwrap().start()
+    pub fn start(self) -> Server {
+        self.builder.start()
     }
 
     /// Spawn new thread and start listening for incoming connections.

src/service.rs

@@ -50,45 +50,46 @@ where
     }
 }
 
-pub struct ServiceRequest {
-    req: HttpRequest,
-    payload: Payload,
-}
+/// An service http request
+///
+/// ServiceRequest allows mutable access to request's internal structures
+pub struct ServiceRequest(HttpRequest);
 
 impl ServiceRequest {
-    /// Construct service request from parts
-    pub(crate) fn from_parts(req: HttpRequest, payload: Payload) -> Self {
-        ServiceRequest { req, payload }
+    /// Construct service request
+    pub(crate) fn new(req: HttpRequest) -> Self {
+        ServiceRequest(req)
     }
 
     /// Deconstruct request into parts
-    pub fn into_parts(self) -> (HttpRequest, Payload) {
-        (self.req, self.payload)
+    pub fn into_parts(mut self) -> (HttpRequest, Payload) {
+        let pl = Rc::get_mut(&mut (self.0).0).unwrap().payload.take();
+        (self.0, pl)
     }
 
     /// Create service response
     #[inline]
     pub fn into_response<B, R: Into<Response<B>>>(self, res: R) -> ServiceResponse<B> {
-        ServiceResponse::new(self.req, res.into())
+        ServiceResponse::new(self.0, res.into())
     }
 
     /// Create service response for error
     #[inline]
     pub fn error_response<B, E: Into<Error>>(self, err: E) -> ServiceResponse<B> {
         let res: Response = err.into().into();
-        ServiceResponse::new(self.req, res.into_body())
+        ServiceResponse::new(self.0, res.into_body())
     }
 
     /// This method returns reference to the request head
     #[inline]
     pub fn head(&self) -> &RequestHead {
-        &self.req.head()
+        &self.0.head()
     }
 
     /// This method returns reference to the request head
     #[inline]
     pub fn head_mut(&mut self) -> &mut RequestHead {
-        self.req.head_mut()
+        self.0.head_mut()
     }
 
     /// Request's uri.
@@ -164,34 +165,39 @@ impl ServiceRequest {
     /// access the matched value for that segment.
     #[inline]
     pub fn match_info(&self) -> &Path<Url> {
-        self.req.match_info()
+        self.0.match_info()
     }
 
     #[inline]
     pub fn match_info_mut(&mut self) -> &mut Path<Url> {
-        self.req.match_info_mut()
+        self.0.match_info_mut()
     }
 
     /// Service configuration
     #[inline]
     pub fn app_config(&self) -> &AppConfig {
-        self.req.app_config()
+        self.0.app_config()
     }
 
     /// Get an application data stored with `App::data()` method during
     /// application configuration.
     pub fn app_data<T: 'static>(&self) -> Option<Data<T>> {
-        if let Some(st) = self.req.0.app_data.get::<Data<T>>() {
+        if let Some(st) = (self.0).0.app_data.get::<Data<T>>() {
             Some(st.clone())
         } else {
             None
         }
     }
 
+    /// Set request payload.
+    pub fn set_payload(&mut self, payload: Payload) {
+        Rc::get_mut(&mut (self.0).0).unwrap().payload = payload;
+    }
+
     #[doc(hidden)]
     /// Set new app data container
     pub fn set_data_container(&mut self, extensions: Rc<Extensions>) {
-        Rc::get_mut(&mut self.req.0).unwrap().app_data = extensions;
+        Rc::get_mut(&mut (self.0).0).unwrap().app_data = extensions;
     }
 }
 
@@ -213,18 +219,18 @@ impl HttpMessage for ServiceRequest {
     /// Request extensions
     #[inline]
     fn extensions(&self) -> Ref<Extensions> {
-        self.req.extensions()
+        self.0.extensions()
     }
 
     /// Mutable reference to a the request's extensions
     #[inline]
     fn extensions_mut(&self) -> RefMut<Extensions> {
-        self.req.extensions_mut()
+        self.0.extensions_mut()
     }
 
     #[inline]
     fn take_payload(&mut self) -> Payload<Self::Stream> {
-        std::mem::replace(&mut self.payload, Payload::None)
+        Rc::get_mut(&mut (self.0).0).unwrap().payload.take()
     }
 }
 

src/test.rs

@@ -2,7 +2,7 @@
 use std::cell::RefCell;
 use std::rc::Rc;
 
-use actix_http::http::header::{Header, HeaderName, IntoHeaderValue};
+use actix_http::http::header::{ContentType, Header, HeaderName, IntoHeaderValue};
 use actix_http::http::{HttpTryFrom, Method, StatusCode, Uri, Version};
 use actix_http::test::TestRequest as HttpTestRequest;
 use actix_http::{cookie::Cookie, Extensions, Request};
@@ -14,6 +14,7 @@ use bytes::{Bytes, BytesMut};
 use futures::future::{lazy, ok, Future, IntoFuture};
 use futures::Stream;
 use serde::de::DeserializeOwned;
+use serde::Serialize;
 use serde_json;
 
 pub use actix_http::test::TestBuffer;
@@ -248,7 +249,7 @@ where
 ///         .header(header::CONTENT_TYPE, "application/json")
 ///         .to_request();
 ///
-///     let resp = call_service(&mut srv, req);
+///     let resp = test::call_service(&mut app, req);
 ///     let result = test::read_body(resp);
 ///     assert_eq!(result, Bytes::from_static(b"welcome!"));
 /// }
@@ -477,6 +478,16 @@ impl TestRequest {
         self
     }
 
+    /// Serialize `data` to JSON and set it as the request payload. The `Content-Type` header is
+    /// set to `application/json`.
+    pub fn set_json<T: Serialize>(mut self, data: &T) -> Self {
+        let bytes =
+            serde_json::to_string(data).expect("Failed to serialize test data to json");
+        self.req.set_payload(bytes);
+        self.req.set(ContentType::json());
+        self
+    }
+
     /// Set application data. This is equivalent of `App::data()` method
     /// for testing purpose.
     pub fn data<T: 'static>(mut self, data: T) -> Self {
@@ -501,16 +512,15 @@ impl TestRequest {
         let (head, payload) = self.req.finish().into_parts();
         self.path.get_mut().update(&head.uri);
 
-        let req = HttpRequest::new(
+        ServiceRequest::new(HttpRequest::new(
             self.path,
             head,
+            payload,
             Rc::new(self.rmap),
             AppConfig::new(self.config),
             Rc::new(self.app_data),
             HttpRequestPool::create(),
-        );
-
-        ServiceRequest::from_parts(req, payload)
+        ))
     }
 
     /// Complete request creation and generate `ServiceResponse` instance
@@ -520,12 +530,13 @@ impl TestRequest {
 
     /// Complete request creation and generate `HttpRequest` instance
     pub fn to_http_request(mut self) -> HttpRequest {
-        let (head, _) = self.req.finish().into_parts();
+        let (head, payload) = self.req.finish().into_parts();
         self.path.get_mut().update(&head.uri);
 
         HttpRequest::new(
             self.path,
             head,
+            payload,
             Rc::new(self.rmap),
             AppConfig::new(self.config),
             Rc::new(self.app_data),
@@ -541,6 +552,7 @@ impl TestRequest {
         let req = HttpRequest::new(
             self.path,
             head,
+            Payload::None,
             Rc::new(self.rmap),
             AppConfig::new(self.config),
             Rc::new(self.app_data),
@@ -553,6 +565,7 @@ impl TestRequest {
 
 #[cfg(test)]
 mod tests {
+    use actix_http::httpmessage::HttpMessage;
     use serde::{Deserialize, Serialize};
     use std::time::SystemTime;
 
@@ -657,6 +670,31 @@ mod tests {
         assert_eq!(&result.id, "12345");
     }
 
+    #[test]
+    fn test_request_response_json() {
+        let mut app = init_service(App::new().service(web::resource("/people").route(
+            web::post().to(|person: web::Json<Person>| {
+                HttpResponse::Ok().json(person.into_inner())
+            }),
+        )));
+
+        let payload = Person {
+            id: "12345".to_string(),
+            name: "User name".to_string(),
+        };
+
+        let req = TestRequest::post()
+            .uri("/people")
+            .set_json(&payload)
+            .to_request();
+
+        assert_eq!(req.content_type(), "application/json");
+
+        let result: Person = read_response_json(&mut app, req);
+        assert_eq!(&result.id, "12345");
+        assert_eq!(&result.name, "User name");
+    }
+
     #[test]
     fn test_async_with_block() {
         fn async_with_block() -> impl Future<Item = HttpResponse, Error = Error> {