Expose Codec via an unstable flag (#49)

Exposes `Codec` using an unstable flag. This is useful for testing.

tests/support/Cargo.toml

@@ -0,0 +1,17 @@
+[package]
+name = "h2-test-support"
+version = "0.1.0"
+authors = ["Carl Lerche <me@carllerche.com>"]
+
+[dependencies]
+futures = "0.1"
+tokio-io = "0.1"
+bytes = "0.4"
+http = { git = "https://github.com/carllerche/http", rev = "2dd15d9" }
+env_logger = "0.4"
+
+mock-io = { git = "https://github.com/carllerche/mock-io", branch = "experiments" }
+
+[dependencies.h2]
+path = "../.."
+features = ["unstable"]

tests/support/README.md

@@ -0,0 +1,3 @@
+**This is not a real crate**
+
+You should not use this crate, it only exists to work around cargo limitations.

tests/support/src/codec.rs

@@ -0,0 +1,64 @@
+#[macro_export]
+macro_rules! assert_closed {
+    ($transport:expr) => {{
+        assert_eq!($transport.poll().unwrap(), None.into());
+    }}
+}
+
+#[macro_export]
+macro_rules! poll_data {
+    ($transport:expr) => {{
+        use h2::frame::Frame;
+        use futures::Async;
+
+        match $transport.poll() {
+            Ok(Async::Ready(Some(Frame::Data(frame)))) => frame,
+            frame => panic!("expected data frame; actual={:?}", frame),
+        }
+    }}
+}
+
+#[macro_export]
+macro_rules! raw_codec {
+    (
+        $(
+            $fn:ident => [$($chunk:expr,)+];
+        )*
+    ) => {{
+        let mut b = $crate::mock_io::Builder::new();
+
+        $({
+            let mut chunk = vec![];
+
+            $(
+                $crate::codec::Chunk::push(&$chunk, &mut chunk);
+            )+
+
+            b.$fn(&chunk[..]);
+        })*
+
+        $crate::Codec::new(b.build())
+    }}
+}
+
+pub trait Chunk {
+    fn push(&self, dst: &mut Vec<u8>);
+}
+
+impl Chunk for u8 {
+    fn push(&self, dst: &mut Vec<u8>) {
+        dst.push(*self);
+    }
+}
+
+impl<'a> Chunk for &'a [u8] {
+    fn push(&self, dst: &mut Vec<u8>) {
+        dst.extend(*self)
+    }
+}
+
+impl<'a> Chunk for &'a str {
+    fn push(&self, dst: &mut Vec<u8>) {
+        dst.extend(self.as_bytes())
+    }
+}

tests/support/src/lib.rs

@@ -1,7 +1,5 @@
 //! Utilities to support tests.
 
-#![allow(unused_extern_crates)]
-
 pub extern crate bytes;
 pub extern crate h2;
 pub extern crate http;
@@ -10,6 +8,9 @@ pub extern crate futures;
 pub extern crate mock_io;
 pub extern crate env_logger;
 
+#[macro_use]
+pub mod codec;
+
 pub use self::futures::{
     Future,
     Sink,
@@ -27,8 +28,11 @@ pub use self::http::{
     HeaderMap,
 };
 
+pub use self::h2::*;
 pub use self::h2::client::{self, Client};
-// pub use self::h2::server;
+pub use self::h2::server::{self, Server};
+
+pub type Codec<T> = h2::Codec<T, ::std::io::Cursor<::bytes::Bytes>>;
 
 pub use self::bytes::{
     Buf,