Add trybuild tests for route macro

actix-web-codegen/tests/trybuild.rs

@@ -4,4 +4,9 @@ fn compile_macros() {
 
     t.pass("tests/trybuild/simple.rs");
     t.compile_fail("tests/trybuild/simple-fail.rs");
+
+    t.pass("tests/trybuild/route-ok.rs");
+    t.compile_fail("tests/trybuild/route-missing-method-fail.rs");
+    t.compile_fail("tests/trybuild/route-duplicate-method-fail.rs");
+    t.compile_fail("tests/trybuild/route-unexpected-method-fail.rs");
 }

actix-web-codegen/tests/trybuild/route-duplicate-method-fail.rs

@@ -0,0 +1,15 @@
+use actix_web::*;
+
+#[route("/", method="GET", method="GET")]
+async fn index() -> impl Responder {
+    HttpResponse::Ok()
+}
+
+#[actix_web::main]
+async fn main() {
+    let srv = test::start(|| App::new().service(index));
+
+    let request = srv.get("/");
+    let response = request.send().await.unwrap();
+    assert!(response.status().is_success());
+}

actix-web-codegen/tests/trybuild/route-duplicate-method-fail.stderr

@@ -0,0 +1,11 @@
+error: HTTP Method defined more than once: `GET`
+ --> $DIR/route-duplicate-method-fail.rs:3:35
+  |
+3 | #[route("/", method="GET", method="GET")]
+  |                                   ^^^^^
+
+error[E0425]: cannot find value `index` in this scope
+  --> $DIR/route-duplicate-method-fail.rs:10:49
+   |
+10 |     let srv = test::start(|| App::new().service(index));
+   |                                                 ^^^^^ not found in this scope

actix-web-codegen/tests/trybuild/route-missing-method-fail.rs

@@ -0,0 +1,15 @@
+use actix_web::*;
+
+#[route("/")]
+async fn index() -> impl Responder {
+    HttpResponse::Ok()
+}
+
+#[actix_web::main]
+async fn main() {
+    let srv = test::start(|| App::new().service(index));
+
+    let request = srv.get("/");
+    let response = request.send().await.unwrap();
+    assert!(response.status().is_success());
+}

actix-web-codegen/tests/trybuild/route-missing-method-fail.stderr

@@ -0,0 +1,11 @@
+error: The #[route(..)] macro requires at least one `method` attribute
+ --> $DIR/route-missing-method-fail.rs:3:1
+  |
+3 | #[route("/")]
+  | ^^^^^^^^^^^^^
+
+error[E0425]: cannot find value `index` in this scope
+  --> $DIR/route-missing-method-fail.rs:10:49
+   |
+10 |     let srv = test::start(|| App::new().service(index));
+   |                                                 ^^^^^ not found in this scope

actix-web-codegen/tests/trybuild/route-ok.rs

@@ -0,0 +1,15 @@
+use actix_web::*;
+
+#[route("/", method="GET", method="HEAD")]
+async fn index() -> impl Responder {
+    HttpResponse::Ok()
+}
+
+#[actix_web::main]
+async fn main() {
+    let srv = test::start(|| App::new().service(index));
+
+    let request = srv.get("/");
+    let response = request.send().await.unwrap();
+    assert!(response.status().is_success());
+}

actix-web-codegen/tests/trybuild/route-unexpected-method-fail.rs

@@ -0,0 +1,15 @@
+use actix_web::*;
+
+#[route("/", method="UNEXPECTED")]
+async fn index() -> impl Responder {
+    HttpResponse::Ok()
+}
+
+#[actix_web::main]
+async fn main() {
+    let srv = test::start(|| App::new().service(index));
+
+    let request = srv.get("/");
+    let response = request.send().await.unwrap();
+    assert!(response.status().is_success());
+}

actix-web-codegen/tests/trybuild/route-unexpected-method-fail.stderr

@@ -0,0 +1,11 @@
+error: Unexpected HTTP Method: `UNEXPECTED`
+ --> $DIR/route-unexpected-method-fail.rs:3:21
+  |
+3 | #[route("/", method="UNEXPECTED")]
+  |                     ^^^^^^^^^^^^
+
+error[E0425]: cannot find value `index` in this scope
+  --> $DIR/route-unexpected-method-fail.rs:10:49
+   |
+10 |     let srv = test::start(|| App::new().service(index));
+   |                                                 ^^^^^ not found in this scope