Add regression test for issue #505.

lib/tests/local-request-content-type-issue-505.rs

@@ -0,0 +1,93 @@
+#![feature(plugin, decl_macro)]
+#![plugin(rocket_codegen)]
+
+extern crate rocket;
+
+use rocket::Outcome::*;
+use rocket::{Request, Data};
+use rocket::request::{self, FromRequest};
+
+struct HasContentType;
+
+impl<'a, 'r> FromRequest<'a, 'r> for HasContentType {
+    type Error = ();
+
+    fn from_request(request: &'a Request<'r>) -> request::Outcome<Self, ()> {
+        if request.content_type().is_some() {
+            Success(HasContentType)
+        } else {
+            Forward(())
+        }
+    }
+}
+
+use rocket::data::{self, FromData};
+
+impl FromData for HasContentType {
+    type Error = ();
+
+    fn from_data(request: &Request, data: Data) -> data::Outcome<Self, ()> {
+        if request.content_type().is_some() {
+            Success(HasContentType)
+        } else {
+            Forward(data)
+        }
+    }
+}
+
+#[post("/")]
+fn rg_ct(ct: Option<HasContentType>) -> &'static str {
+    ct.map_or("Absent", |_| "Present")
+}
+
+#[post("/data", data = "<_ct>", rank = 1)]
+fn data_has_ct(_ct: HasContentType) -> &'static str {
+    "Data Present"
+}
+
+#[post("/data", rank = 2)]
+fn data_no_ct() -> &'static str {
+    "Data Absent"
+}
+
+mod local_request_content_type_tests {
+    use super::*;
+
+    use rocket::Rocket;
+    use rocket::local::Client;
+    use rocket::http::ContentType;
+
+    fn rocket() -> Rocket {
+        rocket::ignite().mount("/", routes![rg_ct, data_has_ct, data_no_ct])
+    }
+
+    #[test]
+    fn has_no_ct() {
+        let client = Client::new(rocket()).unwrap();
+
+        let mut req = client.post("/");
+        assert_eq!(req.cloned_dispatch().body_string(), Some("Absent".to_string()));
+        assert_eq!(req.mut_dispatch().body_string(), Some("Absent".to_string()));
+        assert_eq!(req.dispatch().body_string(), Some("Absent".to_string()));
+
+        let mut req = client.post("/data");
+        assert_eq!(req.cloned_dispatch().body_string(), Some("Data Absent".to_string()));
+        assert_eq!(req.mut_dispatch().body_string(), Some("Data Absent".to_string()));
+        assert_eq!(req.dispatch().body_string(), Some("Data Absent".to_string()));
+    }
+
+    #[test]
+    fn has_ct() {
+        let client = Client::new(rocket()).unwrap();
+
+        let mut req = client.post("/").header(ContentType::JSON);
+        assert_eq!(req.cloned_dispatch().body_string(), Some("Present".to_string()));
+        assert_eq!(req.mut_dispatch().body_string(), Some("Present".to_string()));
+        assert_eq!(req.dispatch().body_string(), Some("Present".to_string()));
+
+        let mut req = client.post("/data").header(ContentType::JSON);
+        assert_eq!(req.cloned_dispatch().body_string(), Some("Data Present".to_string()));
+        assert_eq!(req.mut_dispatch().body_string(), Some("Data Present".to_string()));
+        assert_eq!(req.dispatch().body_string(), Some("Data Present".to_string()));
+    }
+}