add test runtime macro

Cargo.toml

@@ -67,7 +67,7 @@ __compress = []
 
 [dependencies]
 actix-codec = "0.4.0"
-actix-macros = "0.2.1"
+actix-macros = "0.2.2"
 actix-router = "0.5.0-beta.2"
 actix-rt = "2.2"
 actix-server = "2.0.0-beta.3"

actix-web-codegen/CHANGES.md

@@ -2,9 +2,11 @@
 
 ## Unreleased - 2021-xx-xx
 * Improve error recovery potential when macro input is invalid. [#2410]
+* Add `#[actix_web::test_rt]` macro for setting up tests with a runtime. [#2409]
 * Minimum supported Rust version (MSRV) is now 1.52.
 
 [#2410]: https://github.com/actix/actix-web/pull/2410
+[#2409]: https://github.com/actix/actix-web/pull/2409
 
 
 ## 0.5.0-beta.4 - 2021-09-09

actix-web-codegen/Cargo.toml

@@ -2,10 +2,8 @@
 name = "actix-web-codegen"
 version = "0.5.0-beta.4"
 description = "Routing and runtime macros for Actix Web"
-readme = "README.md"
 homepage = "https://actix.rs"
-repository = "https://github.com/actix/actix-web"
+repository = "https://github.com/actix/actix-web.git"
-documentation = "https://docs.rs/actix-web-codegen"
 authors = ["Nikolay Kim <fafhrd91@gmail.com>"]
 license = "MIT OR Apache-2.0"
 edition = "2018"

actix-web-codegen/src/lib.rs

@@ -59,6 +59,7 @@
 #![recursion_limit = "512"]
 
 use proc_macro::TokenStream;
+use quote::quote;
 
 mod route;
 
@@ -157,24 +158,41 @@ method_macro! {
 }
 
 /// Marks async main function as the actix system entry-point.
-///
+
-/// # Actix Web Re-export
-/// This macro can be applied with `#[actix_web::main]` when used in Actix Web applications.
-///
 /// # Examples
 /// ```
-/// #[actix_web_codegen::main]
+/// #[actix_web::main]
 /// async fn main() {
 ///     async { println!("Hello world"); }.await
 /// }
 /// ```
 #[proc_macro_attribute]
 pub fn main(_: TokenStream, item: TokenStream) -> TokenStream {
-    use quote::quote;
+    let input = proc_macro2::TokenStream::from(item);
-    let input = syn::parse_macro_input!(item as syn::ItemFn);
+
     (quote! {
         #[actix_web::rt::main(system = "::actix_web::rt::System")]
         #input
     })
     .into()
 }
+
+/// Marks async test functions to use the actix system entry-point.
+///
+/// # Examples
+/// ```
+/// #[actix_web::test_rt]
+/// async fn test() {
+///     assert_eq!(async { "Hello world" }.await, "Hello world");
+/// }
+/// ```
+#[proc_macro_attribute]
+pub fn test_rt(_: TokenStream, item: TokenStream) -> TokenStream {
+    let input = proc_macro2::TokenStream::from(item);
+
+    (quote! {
+        #[actix_web::rt::test(system = "::actix_web::rt::System")]
+        #input
+    })
+    .into()
+}

actix-web-codegen/src/route.rs

@@ -220,7 +220,7 @@ fn guess_resource_type(typ: &syn::Type) -> ResourceType {
 impl Route {
     pub fn new(
         args: AttributeArgs,
-        input: TokenStream,
+        ast: syn::ItemFn,
         method: Option<MethodType>,
     ) -> syn::Result<Self> {
         if args.is_empty() {
@@ -234,14 +234,11 @@ impl Route {
                 ),
             ));
         }
-        let ast: syn::ItemFn = syn::parse(input)?;
+
         let name = ast.sig.ident.clone();
 
-        // Try and pull out the doc comments so that we can reapply them to the
+        // Try and pull out the doc comments so that we can reapply them to the generated struct.
-        // generated struct.
+        // Note that multi line doc comments are converted to multiple doc attributes.
-        //
-        // Note that multi line doc comments are converted to multiple doc
-        // attributes.
         let doc_attributes = ast
             .attrs
             .iter()
@@ -349,10 +346,16 @@ pub(crate) fn with_method(
     input: TokenStream,
 ) -> TokenStream {
     let args = parse_macro_input!(args as syn::AttributeArgs);
-    match Route::new(args, input.clone(), method) {
+
-        Ok(route) => route.into_token_stream().into(),
+    let ast = match syn::parse::<syn::ItemFn>(input.clone()) {
+        Ok(ast) => ast,
         // on parse err, make IDEs happy; see fn docs
-        Err(err) => input_and_compile_error(input, err),
+        Err(err) => return input_and_compile_error(input, err),
+    };
+
+    match Route::new(args, ast, method) {
+        Ok(route) => route.into_token_stream().into(),
+        Err(err) => err.into_compile_error().into(),
     }
 }
 

actix-web-codegen/tests/test_macro.rs

@@ -256,7 +256,7 @@ async fn test_auto_async() {
     assert!(response.status().is_success());
 }
 
-#[actix_rt::test]
+#[actix_web::test_rt]
 async fn test_wrap() {
     let srv = actix_test::start(|| App::new().service(get_wrap));
 

actix-web-codegen/tests/trybuild.rs

@@ -13,4 +13,6 @@ fn compile_macros() {
     t.compile_fail("tests/trybuild/route-malformed-path-fail.rs");
 
     t.pass("tests/trybuild/docstring-ok.rs");
+
+    t.pass("tests/trybuild/test-runtime.rs");
 }

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

@@ -4,8 +4,8 @@ error: HTTP method defined more than once: `GET`
 3 | #[route("/", method="GET", method="GET")]
   |                                   ^^^^^
 
-error[E0277]: the trait bound `fn() -> impl std::future::Future {index}: HttpServiceFactory` is not satisfied
+error[E0425]: cannot find value `index` in this scope
   --> $DIR/route-duplicate-method-fail.rs:12:55
    |
 12 |     let srv = actix_test::start(|| App::new().service(index));
-   |                                                       ^^^^^ the trait `HttpServiceFactory` is not implemented for `fn() -> impl std::future::Future {index}`
+   |                                                       ^^^^^ not found in this scope

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

@@ -6,8 +6,8 @@ error: The #[route(..)] macro requires at least one `method` attribute
   |
   = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
 
-error[E0277]: the trait bound `fn() -> impl std::future::Future {index}: HttpServiceFactory` is not satisfied
+error[E0425]: cannot find value `index` in this scope
   --> $DIR/route-missing-method-fail.rs:12:55
    |
 12 |     let srv = actix_test::start(|| App::new().service(index));
-   |                                                       ^^^^^ the trait `HttpServiceFactory` is not implemented for `fn() -> impl std::future::Future {index}`
+   |                                                       ^^^^^ not found in this scope

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

@@ -4,8 +4,8 @@ error: Unexpected HTTP method: `UNEXPECTED`
 3 | #[route("/", method="UNEXPECTED")]
   |                     ^^^^^^^^^^^^
 
-error[E0277]: the trait bound `fn() -> impl std::future::Future {index}: HttpServiceFactory` is not satisfied
+error[E0425]: cannot find value `index` in this scope
   --> $DIR/route-unexpected-method-fail.rs:12:55
    |
 12 |     let srv = actix_test::start(|| App::new().service(index));
-   |                                                       ^^^^^ the trait `HttpServiceFactory` is not implemented for `fn() -> impl std::future::Future {index}`
+   |                                                       ^^^^^ not found in this scope

actix-web-codegen/tests/trybuild/test-runtime.rs

@@ -0,0 +1,6 @@
+#[actix_web::test_rt]
+async fn my_test() {
+    assert!(async { 1 }.await, 1);
+}
+
+fn main() {}

examples/basic.rs

@@ -35,7 +35,7 @@ async fn main() -> std::io::Result<()> {
             )
             .service(web::resource("/test1.html").to(|| async { "Test\r\n" }))
     })
-    .bind("127.0.0.1:8080")?
+    .bind(("127.0.0.1", 8080))?
     .workers(1)
     .run()
     .await