refactor: remove support for async-trait crate

Author: JasterV

README.md

@@ -41,7 +41,6 @@ struct MyAsyncContext {
     value: String
 }
 
-#[async_trait::async_trait]
 impl AsyncTestContext for MyAsyncContext {
     async fn setup() -> MyAsyncContext {
         MyAsyncContext { value: "Hello, World!".to_string() }

test-context-macros/src/lib.rs

@@ -9,7 +9,6 @@ use quote::{format_ident, quote};
 /// ```ignore
 /// #[test_context(MyContext)]
 /// #[test]
-/// #[ignore]
 /// fn my_test() {
 /// }
 /// ```
@@ -18,7 +17,6 @@ use quote::{format_ident, quote};
 ///
 /// ```ignore
 /// #[test]
-/// #[ignore]
 /// #[test_context(MyContext)]
 /// fn my_test() {
 /// }

test-context/Cargo.toml

@@ -1,5 +1,6 @@
 [package]
 name = "test-context"
+rust-version = "1.75.0"
 description = "A library for providing custom setup/teardown for Rust tests without needing a test harness"
 readme = "../README.md"
 keywords = ["test", "setup", "teardown"]
@@ -13,7 +14,6 @@ license.workspace = true
 
 [dependencies]
 test-context-macros = { version = "0.1.6", path = "../test-context-macros/" }
-async-trait = "0.1.42"
 futures = "0.3"
 
 [dev-dependencies]

test-context/src/lib.rs

@@ -27,14 +27,13 @@
 //! Alternatively, you can use `async` functions in your test context by using the
 //! `AsyncTestContext`.
 //!
-//! ```
+//! ```no_run
 //! use test_context::{test_context, AsyncTestContext};
 //!
 //! struct MyAsyncContext {
 //!     value: String
 //! }
 //!
-//! #[async_trait::async_trait]
 //! impl AsyncTestContext for MyAsyncContext {
 //!     async fn setup() -> MyAsyncContext {
 //!         MyAsyncContext { value: "Hello, world!".to_string() }
@@ -46,6 +45,7 @@
 //! }
 //!
 //! #[test_context(MyAsyncContext)]
+//! #[test]
 //! fn test_works(ctx: &mut MyAsyncContext) {
 //!     assert_eq!(ctx.value, "Hello, World!");
 //! }
@@ -55,20 +55,22 @@
 //! [`actix_rt::test`](https://docs.rs/actix-rt/1.1.1/actix_rt/attr.test.html) or
 //! [`tokio::test`](https://docs.rs/tokio/1.0.2/tokio/attr.test.html).
 //!
-//! ```
-//! # use test_context::{test_context, AsyncTestContext};
-//! # struct MyAsyncContext {
-//! #     value: String
-//! # }
-//! # #[async_trait::async_trait]
-//! # impl AsyncTestContext for MyAsyncContext {
-//! #     async fn setup() -> MyAsyncContext {
-//! #         MyAsyncContext { value: "Hello, world!".to_string() }
-//! #     }
-//! #     async fn teardown(self) {
-//! #         // Perform any teardown you wish.
-//! #     }
-//! # }
+//! ```no_run
+//!  use test_context::{test_context, AsyncTestContext};
+//!
+//!  struct MyAsyncContext {
+//!      value: String
+//!  }
+//!
+//!  impl AsyncTestContext for MyAsyncContext {
+//!      async fn setup() -> MyAsyncContext {
+//!          MyAsyncContext { value: "Hello, world!".to_string() }
+//!      }
+//!      async fn teardown(self) {
+//!          // Perform any teardown you wish.
+//!      }
+//!  }
+//!
 //! #[test_context(MyAsyncContext)]
 //! #[tokio::test]
 //! async fn test_async_works(ctx: &mut MyAsyncContext) {
@@ -95,17 +97,18 @@ where
 }
 
 /// The trait to implement to get setup/teardown functionality for async tests.
-#[async_trait::async_trait]
 pub trait AsyncTestContext
 where
     Self: Sized,
 {
     /// Create the context. This is run once before each test that uses the context.
-    async fn setup() -> Self;
+    fn setup() -> impl std::future::Future<Output = Self> + Send;
 
     /// Perform any additional cleanup of the context besides that already provided by
     /// normal "drop" semantics.
-    async fn teardown(self) {}
+    fn teardown(self) -> impl std::future::Future<Output = ()> + Send {
+        async {}
+    }
 }
 
 // Automatically impl TestContext for anything Send that impls AsyncTestContext.

test-context/tests/test.rs

@@ -51,7 +51,6 @@ struct AsyncContext {
     n: u32,
 }
 
-#[async_trait::async_trait]
 impl AsyncTestContext for AsyncContext {
     async fn setup() -> Self {
         Self { n: 1 }