Allow to use path without traling slashes for scope registration #241

CHANGES.md

@@ -2,6 +2,10 @@
 
 ## [0.6.10] - 2018-05-xx
 
+### Added
+
+* Allow to use path without traling slashes for scope registration #241
+
 ### Fixed
 
 * `TestServer::post()` actually sends `GET` request #240

src/application.rs

@@ -107,16 +107,12 @@ impl<S: 'static> HttpApplication<S> {
                                 }
                             }
 
-                            let prefix_len = inner.prefix + prefix_len - 1;
+                            let prefix_len = inner.prefix + prefix_len;
                             let path: &'static str =
                                 unsafe { &*(&req.path()[prefix_len..] as *const _) };
 
                             req.set_prefix_len(prefix_len as u16);
-                            if path.is_empty() {
+                            req.match_info_mut().set("tail", path);
-                                req.match_info_mut().set("tail", "/");
-                            } else {
-                                req.match_info_mut().set("tail", path);
-                            }
                             return HandlerType::Handler(idx);
                         }
                     }
@@ -369,14 +365,6 @@ where
     {
         {
             let mut scope = Box::new(f(Scope::new()));
-
-            let mut path = path.trim().trim_right_matches('/').to_owned();
-            if !path.is_empty() && !path.starts_with('/') {
-                path.insert(0, '/')
-            }
-            if !path.ends_with('/') {
-                path.push('/');
-            }
             let parts = self.parts.as_mut().expect("Use after finish");
 
             let filters = scope.take_filters();

src/fs.rs

@@ -20,7 +20,7 @@ use mime_guess::{get_mime_type, guess_mime_type};
 use error::Error;
 use handler::{AsyncResult, Handler, Responder, RouteHandler, WrapHandler};
 use header;
-use http::{HttpRange, Method, StatusCode, ContentEncoding};
+use http::{ContentEncoding, HttpRange, Method, StatusCode};
 use httpmessage::HttpMessage;
 use httprequest::HttpRequest;
 use httpresponse::HttpResponse;
@@ -304,11 +304,11 @@ impl Responder for NamedFile {
                     resp.header(
                         header::CONTENT_RANGE,
                         format!(
-                            "bytes {}-{}/{}", 
+                            "bytes {}-{}/{}",
-                            offset, 
+                            offset,
-                            offset + length - 1, 
+                            offset + length - 1,
                             self.md.len()
-                        )
+                        ),
                     );
                 } else {
                     resp.header(header::CONTENT_RANGE, format!("bytes */{}", length));

src/param.rs

@@ -58,12 +58,11 @@ impl<'a> Params<'a> {
         self.0.push((name, value));
     }
 
-    pub(crate) fn remove(&mut self, name: &str)
+    pub(crate) fn remove(&mut self, name: &str) {
-    {
         for idx in (0..self.0.len()).rev() {
             if self.0[idx].0 == name {
                 self.0.remove(idx);
-                return
+                return;
             }
         }
     }

src/router.rs

@@ -311,8 +311,16 @@ impl Resource {
                     None
                 }
             }
-            PatternType::Prefix(ref s) => if path.starts_with(s) {
+            PatternType::Prefix(ref s) => if path == s {
                 Some(s.len())
+            } else if path.starts_with(s) && (s.ends_with('/') ||
+                                              path.split_at(s.len()).1.starts_with('/'))
+            {
+                if s.ends_with('/') {
+                    Some(s.len()-1)
+                } else {
+                    Some(s.len())
+                }
             } else {
                 None
             },

src/scope.rs

@@ -137,14 +137,6 @@ impl<S: 'static> Scope<S> {
         };
         let mut scope = f(scope);
 
-        let mut path = path.trim().trim_right_matches('/').to_owned();
-        if !path.is_empty() && !path.starts_with('/') {
-            path.insert(0, '/')
-        }
-        if !path.ends_with('/') {
-            path.push('/');
-        }
-
         let state = Rc::new(state);
         let filters: Vec<Box<Predicate<S>>> = vec![Box::new(FiltersWrapper {
             state: Rc::clone(&state),
@@ -191,14 +183,6 @@ impl<S: 'static> Scope<S> {
         };
         let mut scope = f(scope);
 
-        let mut path = path.trim().trim_right_matches('/').to_owned();
-        if !path.is_empty() && !path.starts_with('/') {
-            path.insert(0, '/')
-        }
-        if !path.ends_with('/') {
-            path.push('/');
-        }
-
         let filters = scope.take_filters();
         self.nested.push((
             Resource::prefix("", &path),
@@ -253,7 +237,12 @@ impl<S: 'static> Scope<S> {
 
         let mut handler = ResourceHandler::default();
         handler.method(method).with(f);
-        let pattern = Resource::new(handler.get_name(), path);
+        let pattern = Resource::with_prefix(
+            handler.get_name(),
+            path,
+            if path.is_empty() { "" } else { "/" },
+            false,
+        );
         Rc::get_mut(&mut self.resources)
             .expect("Can not use after configuration")
             .push((pattern, Rc::new(UnsafeCell::new(handler))));
@@ -293,7 +282,12 @@ impl<S: 'static> Scope<S> {
         let mut handler = ResourceHandler::default();
         f(&mut handler);
 
-        let pattern = Resource::new(handler.get_name(), path);
+        let pattern = Resource::with_prefix(
+            handler.get_name(),
+            path,
+            if path.is_empty() { "" } else { "/" },
+            false,
+        );
         Rc::get_mut(&mut self.resources)
             .expect("Can not use after configuration")
             .push((pattern, Rc::new(UnsafeCell::new(handler))));
@@ -329,7 +323,6 @@ impl<S: 'static> Scope<S> {
 impl<S: 'static> RouteHandler<S> for Scope<S> {
     fn handle(&mut self, mut req: HttpRequest<S>) -> AsyncResult<HttpResponse> {
         let path = unsafe { &*(&req.match_info()["tail"] as *const _) };
-        let path = if path == "" { "/" } else { path };
 
         // recognize resources
         for &(ref pattern, ref resource) in self.resources.iter() {
@@ -364,16 +357,12 @@ impl<S: 'static> RouteHandler<S> for Scope<S> {
                         continue 'outer;
                     }
                 }
-                let prefix_len = len + prefix_len - 1;
+                let prefix_len = len + prefix_len;
                 let path: &'static str =
                     unsafe { &*(&req.path()[prefix_len..] as *const _) };
 
                 req.set_prefix_len(prefix_len as u16);
-                if path.is_empty() {
+                req.match_info_mut().set("tail", path);
-                    req.match_info_mut().set("tail", "/");
-                } else {
-                    req.match_info_mut().set("tail", path);
-                }
 
                 let hnd: &mut RouteHandler<_> =
                     unsafe { (&mut *(handler.get())).as_mut() };
@@ -784,6 +773,25 @@ mod tests {
         assert_eq!(resp.as_msg().status(), StatusCode::OK);
     }
 
+    #[test]
+    fn test_scope_root() {
+        let mut app = App::new()
+            .scope("/app", |scope| {
+                scope
+                    .resource("", |r| r.f(|_| HttpResponse::Ok()))
+                    .resource("/", |r| r.f(|_| HttpResponse::Created()))
+            })
+            .finish();
+
+        let req = TestRequest::with_uri("/app").finish();
+        let resp = app.run(req);
+        assert_eq!(resp.as_msg().status(), StatusCode::OK);
+
+        let req = TestRequest::with_uri("/app/").finish();
+        let resp = app.run(req);
+        assert_eq!(resp.as_msg().status(), StatusCode::CREATED);
+    }
+
     #[test]
     fn test_scope_route() {
         let mut app = App::new()
@@ -885,6 +893,29 @@ mod tests {
         assert_eq!(resp.as_msg().status(), StatusCode::CREATED);
     }
 
+    #[test]
+    fn test_scope_with_state_root() {
+        struct State;
+
+        let mut app = App::new()
+            .scope("/app", |scope| {
+                scope.with_state("/t1", State, |scope| {
+                    scope
+                        .resource("", |r| r.f(|_| HttpResponse::Ok()))
+                        .resource("/", |r| r.f(|_| HttpResponse::Created()))
+                })
+            })
+            .finish();
+
+        let req = TestRequest::with_uri("/app/t1").finish();
+        let resp = app.run(req);
+        assert_eq!(resp.as_msg().status(), StatusCode::OK);
+
+        let req = TestRequest::with_uri("/app/t1/").finish();
+        let resp = app.run(req);
+        assert_eq!(resp.as_msg().status(), StatusCode::CREATED);
+    }
+
     #[test]
     fn test_scope_with_state_filter() {
         struct State;
@@ -927,6 +958,27 @@ mod tests {
         assert_eq!(resp.as_msg().status(), StatusCode::CREATED);
     }
 
+    #[test]
+    fn test_nested_scope_root() {
+        let mut app = App::new()
+            .scope("/app", |scope| {
+                scope.nested("/t1", |scope| {
+                    scope
+                        .resource("", |r| r.f(|_| HttpResponse::Ok()))
+                        .resource("/", |r| r.f(|_| HttpResponse::Created()))
+                })
+            })
+            .finish();
+
+        let req = TestRequest::with_uri("/app/t1").finish();
+        let resp = app.run(req);
+        assert_eq!(resp.as_msg().status(), StatusCode::OK);
+
+        let req = TestRequest::with_uri("/app/t1/").finish();
+        let resp = app.run(req);
+        assert_eq!(resp.as_msg().status(), StatusCode::CREATED);
+    }
+
     #[test]
     fn test_nested_scope_filter() {
         let mut app = App::new()

src/server/encoding.rs

@@ -506,7 +506,7 @@ impl ContentEncoder {
                     TransferEncoding::eof(buf)
                 } else {
                     if !(encoding == ContentEncoding::Identity
-                         || encoding == ContentEncoding::Auto)
+                        || encoding == ContentEncoding::Auto)
                     {
                         resp.headers_mut().remove(CONTENT_LENGTH);
                     }

src/server/h1.rs

@@ -273,7 +273,7 @@ where
                 Ok(Async::Ready(_)) => {
                     // non consumed payload in that case close connection
                     if self.payload.is_some() && self.tasks.is_empty() {
-                        return Ok(Async::Ready(false))
+                        return Ok(Async::Ready(false));
                     }
                 }
             }

src/server/h1writer.rs

@@ -1,6 +1,6 @@
 #![cfg_attr(feature = "cargo-clippy", allow(redundant_field_names))]
 
-use bytes::{BytesMut, BufMut};
+use bytes::{BufMut, BytesMut};
 use futures::{Async, Poll};
 use std::io;
 use std::rc::Rc;

src/server/mod.rs

@@ -136,7 +136,7 @@ impl HttpHandler for Box<HttpHandler> {
 #[doc(hidden)]
 pub trait HttpHandlerTask {
     /// Poll task, this method is used before or after *io* object is available
-    fn poll(&mut self) -> Poll<(), Error>{
+    fn poll(&mut self) -> Poll<(), Error> {
         Ok(Async::Ready(()))
     }
 

tests/test_handlers.rs

@@ -374,9 +374,7 @@ fn test_scope_and_path_extractor() {
         App::new().scope("/sc", |scope| {
             scope.resource("/{num}/index.html", |r| {
                 r.route()
-                    .with(|p: Path<(usize,)>| {
+                    .with(|p: Path<(usize,)>| format!("Welcome {}!", p.0))
-                        format!("Welcome {}!", p.0)
-                    })
             })
         })
     });
@@ -410,10 +408,9 @@ fn test_nested_scope_and_path_extractor() {
         App::new().scope("/sc", |scope| {
             scope.nested("/{num}", |scope| {
                 scope.resource("/{num}/index.html", |r| {
-                    r.route()
+                    r.route().with(|p: Path<(usize, usize)>| {
-                        .with(|p: Path<(usize, usize)>| {
+                        format!("Welcome {} {}!", p.0, p.1)
-                            format!("Welcome {} {}!", p.0, p.1)
+                    })
-                        })
                 })
             })
         })