Fix tests

tonic/Cargo.toml

@@ -24,7 +24,7 @@ keywords = ["rpc", "grpc", "async", "futures", "protobuf"]
 
 [features]
 default = ["transport", "codegen"]
-codegen = ["async-trait", "prost", "prost-derive", "bytes"]
+codegen = ["async-trait", "prost", "prost-derive"]
 transport = [
     "hyper",
     "tokio",
@@ -38,6 +38,7 @@ rustls = ["tokio-rustls", "tls"]
 tls = []
 
 [dependencies]
+bytes = "0.4"
 futures-core-preview = "=0.3.0-alpha.18"
 futures-util-preview = "=0.3.0-alpha.18"
 tracing = "0.1"
@@ -57,7 +58,6 @@ prost-derive = { version = "0.5", optional = true }
 
 # codegen
 async-trait = { version = "0.1.13", optional = true }
-bytes = {version = "0.4", optional = true}
 
 # transport
 hyper = { git = "https://github.com/hyperium/hyper", features = ["unstable-stream"], optional = true, rev = "2b0405c48c10bca7893c30ea960ac20a41a8578f" }

tonic/src/codegen.rs

@@ -35,6 +35,6 @@ impl std::fmt::Display for Never {
 
 impl std::error::Error for Never {}
 
+pub use bytes::*;
 pub use prost::*;
 pub use prost_derive::*;
-pub use bytes::*;

tonic/src/macros.rs

@@ -1,11 +1,6 @@
 /// Include generated proto server and client items.
 ///
-/// # Example
-/// ```rust,no_run
-/// pub mod hello_world {
-///    tonic::include_proto!("helloworld");
-/// }
-/// ```
+/// You must specify the gRPC package name.
 #[macro_export]
 macro_rules! include_proto {
     ($package: tt) => {