Add test(s) for the optional_redirect example

examples/optional_redirect/Cargo.toml

@@ -7,3 +7,6 @@ workspace = "../../"
 [dependencies]
 rocket = { path = "../../lib" }
 rocket_codegen = { path = "../../codegen" }
+
+[dev-dependencies]
+rocket = { path = "../../lib", features = ["testing"] }

examples/optional_redirect/src/main.rs

@@ -2,6 +2,9 @@
 #![plugin(rocket_codegen)]
 extern crate rocket;
 
+#[cfg(test)]
+mod tests;
+
 use rocket::response::Redirect;
 
 #[get("/")]
@@ -13,7 +16,7 @@ fn root() -> Redirect {
 fn user(name: &str) -> Result<&'static str, Redirect> {
     match name {
         "Sergio" => Ok("Hello, Sergio!"),
-        _ => Err(Redirect::to("/users/login"))
+        _ => Err(Redirect::to("/users/login")),
     }
 }
 

examples/optional_redirect/src/tests.rs

@@ -0,0 +1,38 @@
+use super::rocket;
+use rocket::testing::MockRequest;
+use rocket::http::{Method, Status};
+
+fn test_200(uri: &str, expected_body: &str) {
+    let rocket = rocket::ignite()
+        .mount("/", routes![super::root, super::user, super::login]);
+    let mut request = MockRequest::new(Method::Get, uri);
+    let mut response = request.dispatch_with(&rocket);
+
+    assert_eq!(response.status(), Status::Ok);
+    assert_eq!(response.body().and_then(|b| b.into_string()),
+               Some(expected_body.to_string()));
+}
+
+fn test_303(uri: &str, expected_location: &str) {
+    let rocket = rocket::ignite()
+        .mount("/", routes![super::root, super::user, super::login]);
+    let mut request = MockRequest::new(Method::Get, uri);
+    let response = request.dispatch_with(&rocket);
+    let location_headers: Vec<_> = response.header_values("Location").collect();
+
+    assert_eq!(response.status(), Status::SeeOther);
+    assert_eq!(location_headers, vec![expected_location]);
+}
+
+#[test]
+fn test() {
+    test_200("/users/Sergio", "Hello, Sergio!");
+    test_200("/users/login",
+             "Hi! That user doesn't exist. Maybe you need to log in?");
+}
+
+#[test]
+fn test_redirects() {
+    test_303("/", "/users/login");
+    test_303("/users/unknown", "/users/login");
+}