Add example for future testing API.

Cargo.toml

@@ -15,4 +15,5 @@ members = [
   "examples/todo",
   "examples/content_types",
   "examples/hello_ranks",
+  "examples/testing",
 ]

examples/testing/Cargo.toml

@@ -0,0 +1,9 @@
+[package]
+name = "testing"
+version = "0.0.1"
+authors = ["Sergio Benitez <sb@sergio.bz>"]
+workspace = "../../"
+
+[dependencies]
+rocket = { path = "../../lib" }
+rocket_macros = { path = "../../macros" }

examples/testing/src/main.rs

@@ -0,0 +1,35 @@
+#![feature(plugin)]
+#![plugin(rocket_macros)]
+
+extern crate rocket;
+use rocket::Rocket;
+
+#[GET(path = "/")]
+fn hello() -> &'static str {
+    "Hello, world!"
+}
+
+fn main() {
+    Rocket::new("localhost", 8000).mount_and_launch("/", routes![hello]);
+}
+
+#[cfg(test)]
+mod test {
+    use super::rocket::{Rocket, Request, Method};
+
+    fn run_test<F>(f: F) where F: Fn(Rocket) {
+        let mut rocket = Rocket::new("_", 0);
+        rocket.mount("/", routes![super::hello]);
+        f(rocket);
+    }
+
+    #[test]
+    fn test_hello() {
+        run_test(|_rocket: Rocket| {
+            let _req = Request::mock(Method::Get, "/");
+            // TODO: Allow something like this:
+            // let result = rocket.route(&req);
+            // assert_eq!(result.as_str(), "Hello, world!")
+        });
+    }
+}