Files
h2/tests/h2-tests/tests/client_request.rs
2019-12-02 16:22:26 -08:00

1190 lines
37 KiB
Rust

use futures::future::{join, ready, select, Either};
use futures::stream::FuturesUnordered;
use futures::StreamExt;
use h2_support::prelude::*;
use std::pin::Pin;
use std::task::Context;
#[tokio::test]
async fn handshake() {
let _ = env_logger::try_init();
let mock = mock_io::Builder::new()
.handshake()
.write(SETTINGS_ACK)
.build();
let (_client, h2) = client::handshake(mock).await.unwrap();
log::trace!("hands have been shook");
// At this point, the connection should be closed
h2.await.unwrap();
}
#[tokio::test]
async fn client_other_thread() {
let _ = env_logger::try_init();
let (io, mut srv) = mock::new();
let srv = async move {
let settings = srv.assert_client_handshake().await;
assert_default_settings!(settings);
srv.recv_frame(
frames::headers(1)
.request("GET", "https://http2.akamai.com/")
.eos(),
)
.await;
srv.send_frame(frames::headers(1).response(200).eos()).await;
};
let h2 = async move {
let (mut client, h2) = client::handshake(io).await.unwrap();
tokio::spawn(async move {
let request = Request::builder()
.uri("https://http2.akamai.com/")
.body(())
.unwrap();
let _res = client
.send_request(request, true)
.unwrap()
.0
.await
.expect("request");
});
h2.await.expect("h2");
};
join(srv, h2).await;
}
#[tokio::test]
async fn recv_invalid_server_stream_id() {
let _ = env_logger::try_init();
let mock = mock_io::Builder::new()
.handshake()
// Write GET /
.write(&[
0, 0, 0x10, 1, 5, 0, 0, 0, 1, 0x82, 0x87, 0x41, 0x8B, 0x9D, 0x29, 0xAC, 0x4B, 0x8F,
0xA8, 0xE9, 0x19, 0x97, 0x21, 0xE9, 0x84,
])
.write(SETTINGS_ACK)
// Read response
.read(&[0, 0, 1, 1, 5, 0, 0, 0, 2, 137])
// Write GO_AWAY
.write(&[0, 0, 8, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1])
.build();
let (mut client, h2) = client::handshake(mock).await.unwrap();
// Send the request
let request = Request::builder()
.uri("https://http2.akamai.com/")
.body(())
.unwrap();
log::info!("sending request");
let (response, _) = client.send_request(request, true).unwrap();
// The connection errors
assert!(h2.await.is_err());
// The stream errors
assert!(response.await.is_err());
}
#[tokio::test]
async fn request_stream_id_overflows() {
let _ = env_logger::try_init();
let (io, mut srv) = mock::new();
let h2 = async move {
let (mut client, mut h2) = client::Builder::new()
.initial_stream_id(::std::u32::MAX >> 1)
.handshake::<_, Bytes>(io)
.await
.unwrap();
let request = Request::builder()
.method(Method::GET)
.uri("https://example.com/")
.body(())
.unwrap();
// first request is allowed
let (response, _) = client.send_request(request, true).unwrap();
let _x = h2.drive(response).await.unwrap();
let request = Request::builder()
.method(Method::GET)
.uri("https://example.com/")
.body(())
.unwrap();
// second cannot use the next stream id, it's over
let poll_err = poll_fn(|cx| client.poll_ready(cx)).await.unwrap_err();
assert_eq!(poll_err.to_string(), "user error: stream ID overflowed");
let err = client.send_request(request, true).unwrap_err();
assert_eq!(err.to_string(), "user error: stream ID overflowed");
h2.await.unwrap();
};
let srv = async move {
let settings = srv.assert_client_handshake().await;
assert_default_settings!(settings);
srv.recv_frame(
frames::headers(::std::u32::MAX >> 1)
.request("GET", "https://example.com/")
.eos(),
)
.await;
srv.send_frame(frames::headers(::std::u32::MAX >> 1).response(200).eos())
.await;
idle_ms(10).await;
};
join(srv, h2).await;
}
#[tokio::test]
async fn client_builder_max_concurrent_streams() {
let _ = env_logger::try_init();
let (io, mut srv) = mock::new();
let mut settings = frame::Settings::default();
settings.set_max_concurrent_streams(Some(1));
let srv = async move {
let rcvd_settings = srv.assert_client_handshake().await;
assert_frame_eq(settings, rcvd_settings);
srv.recv_frame(
frames::headers(1)
.request("GET", "https://example.com/")
.eos(),
)
.await;
srv.send_frame(frames::headers(1).response(200).eos()).await;
};
let mut builder = client::Builder::new();
builder.max_concurrent_streams(1);
let h2 = async move {
let (mut client, mut h2) = builder.handshake::<_, Bytes>(io).await.unwrap();
let request = Request::builder()
.method(Method::GET)
.uri("https://example.com/")
.body(())
.unwrap();
let (response, _) = client.send_request(request, true).unwrap();
h2.drive(response).await.unwrap();
};
join(srv, h2).await;
}
#[tokio::test]
async fn request_over_max_concurrent_streams_errors() {
let _ = env_logger::try_init();
let (io, mut srv) = mock::new();
let srv = async move {
let settings = srv
.assert_client_handshake_with_settings(
frames::settings()
// super tiny server
.max_concurrent_streams(1),
)
.await;
assert_default_settings!(settings);
srv.recv_frame(
frames::headers(1)
.request("POST", "https://example.com/")
.eos(),
)
.await;
srv.send_frame(frames::headers(1).response(200).eos()).await;
srv.recv_frame(frames::headers(3).request("POST", "https://example.com/"))
.await;
srv.send_frame(frames::headers(3).response(200)).await;
srv.recv_frame(frames::data(3, "hello").eos()).await;
srv.send_frame(frames::data(3, "").eos()).await;
srv.recv_frame(frames::headers(5).request("POST", "https://example.com/"))
.await;
srv.send_frame(frames::headers(5).response(200)).await;
srv.recv_frame(frames::data(5, "hello").eos()).await;
srv.send_frame(frames::data(5, "").eos()).await;
};
let h2 = async move {
let (mut client, mut h2) = client::handshake(io).await.expect("handshake");
// we send a simple req here just to drive the connection so we can
// receive the server settings.
let request = Request::builder()
.method(Method::POST)
.uri("https://example.com/")
.body(())
.unwrap();
// first request is allowed
let (response, _) = client.send_request(request, true).unwrap();
h2.drive(response).await.unwrap();
let request = Request::builder()
.method(Method::POST)
.uri("https://example.com/")
.body(())
.unwrap();
// first request is allowed
let (resp1, mut stream1) = client.send_request(request, false).unwrap();
let request = Request::builder()
.method(Method::POST)
.uri("https://example.com/")
.body(())
.unwrap();
// second request is put into pending_open
let (resp2, mut stream2) = client.send_request(request, false).unwrap();
let request = Request::builder()
.method(Method::GET)
.uri("https://example.com/")
.body(())
.unwrap();
let waker = futures::task::noop_waker();
let mut cx = Context::from_waker(&waker);
// third stream is over max concurrent
assert!(!client.poll_ready(&mut cx).is_ready());
let err = client.send_request(request, true).unwrap_err();
assert_eq!(err.to_string(), "user error: rejected");
stream1
.send_data("hello".into(), true)
.expect("req send_data");
h2.drive(async move {
resp1.await.expect("req");
stream2
.send_data("hello".into(), true)
.expect("req2 send_data");
})
.await;
join(async move { h2.await.unwrap() }, async move {
resp2.await.unwrap()
})
.await;
};
join(srv, h2).await;
}
#[tokio::test]
async fn send_request_poll_ready_when_connection_error() {
let _ = env_logger::try_init();
let (io, mut srv) = mock::new();
let srv = async move {
let settings = srv
.assert_client_handshake_with_settings(
frames::settings()
// super tiny server
.max_concurrent_streams(1),
)
.await;
assert_default_settings!(settings);
srv.recv_frame(
frames::headers(1)
.request("POST", "https://example.com/")
.eos(),
)
.await;
srv.send_frame(frames::headers(1).response(200).eos()).await;
srv.recv_frame(
frames::headers(3)
.request("POST", "https://example.com/")
.eos(),
)
.await;
srv.send_frame(frames::headers(8).response(200).eos()).await;
};
let h2 = async move {
let (mut client, mut h2) = client::handshake(io).await.expect("handshake");
// we send a simple req here just to drive the connection so we can
// receive the server settings.
let request = Request::builder()
.method(Method::POST)
.uri("https://example.com/")
.body(())
.unwrap();
// first request is allowed
let (response, _) = client.send_request(request, true).unwrap();
h2.drive(response).await.unwrap();
let request = Request::builder()
.method(Method::POST)
.uri("https://example.com/")
.body(())
.unwrap();
// first request is allowed
let (resp1, _) = client.send_request(request, true).unwrap();
let request = Request::builder()
.method(Method::POST)
.uri("https://example.com/")
.body(())
.unwrap();
// second request is put into pending_open
let (resp2, _) = client.send_request(request, true).unwrap();
// third stream is over max concurrent
let until_ready = async move {
poll_fn(move |cx| client.poll_ready(cx))
.await
.expect_err("client poll_ready");
};
// a FuturesUnordered is used on purpose!
//
// We don't want a join, since any of the other futures notifying
// will make the until_ready future polled again, but we are
// specifically testing that until_ready gets notified on its own.
let mut unordered =
futures::stream::FuturesUnordered::<Pin<Box<dyn Future<Output = ()>>>>::new();
unordered.push(Box::pin(until_ready));
unordered.push(Box::pin(async move {
h2.await.expect_err("client conn");
}));
unordered.push(Box::pin(async move {
resp1.await.expect_err("req1");
}));
unordered.push(Box::pin(async move {
resp2.await.expect_err("req2");
}));
while let Some(_) = unordered.next().await {}
};
join(srv, h2).await;
}
#[tokio::test]
async fn send_reset_notifies_recv_stream() {
let _ = env_logger::try_init();
let (io, mut srv) = mock::new();
let srv = async move {
let settings = srv.assert_client_handshake().await;
assert_default_settings!(settings);
srv.recv_frame(frames::headers(1).request("POST", "https://example.com/"))
.await;
srv.send_frame(frames::headers(1).response(200)).await;
srv.recv_frame(frames::reset(1).refused()).await;
srv.recv_frame(frames::go_away(0)).await;
srv.recv_eof().await;
};
let client = async move {
let (mut client, mut conn) = client::handshake(io).await.expect("handshake");
let request = Request::builder()
.method(Method::POST)
.uri("https://example.com/")
.body(())
.unwrap();
// first request is allowed
let (resp1, mut tx) = client.send_request(request, false).unwrap();
let res = conn.drive(resp1).await.unwrap();
let tx = async move {
tx.send_reset(h2::Reason::REFUSED_STREAM);
};
let rx = async {
let mut body = res.into_body();
body.next().await.unwrap().expect_err("RecvBody");
};
// a FuturesUnordered is used on purpose!
//
// We don't want a join, since any of the other futures notifying
// will make the rx future polled again, but we are
// specifically testing that rx gets notified on its own.
let unordered = FuturesUnordered::<Pin<Box<dyn Future<Output = ()>>>>::new();
unordered.push(Box::pin(rx));
unordered.push(Box::pin(tx));
conn.drive(unordered.for_each(ready)).await;
drop(client); // now let client gracefully goaway
conn.await.expect("client");
};
join(srv, client).await;
}
#[tokio::test]
async fn http_11_request_without_scheme_or_authority() {
let _ = env_logger::try_init();
let (io, mut srv) = mock::new();
let srv = async move {
let settings = srv.assert_client_handshake().await;
assert_default_settings!(settings);
srv.recv_frame(frames::headers(1).request("GET", "/").scheme("http").eos())
.await;
srv.send_frame(frames::headers(1).response(200).eos()).await;
};
let h2 = async move {
let (mut client, mut h2) = client::handshake(io).await.expect("handshake");
// HTTP_11 request with just :path is allowed
let request = Request::builder()
.method(Method::GET)
.uri("/")
.body(())
.unwrap();
let (response, _) = client.send_request(request, true).unwrap();
h2.drive(response).await.unwrap();
};
join(srv, h2).await;
}
#[tokio::test]
async fn http_2_request_without_scheme_or_authority() {
let _ = env_logger::try_init();
let (io, mut srv) = mock::new();
let srv = async move {
let settings = srv.assert_client_handshake().await;
assert_default_settings!(settings);
};
let h2 = async move {
let (mut client, h2) = client::handshake(io).await.expect("handshake");
// HTTP_2 with only a :path is illegal, so this request should
// be rejected as a user error.
let request = Request::builder()
.version(Version::HTTP_2)
.method(Method::GET)
.uri("/")
.body(())
.unwrap();
client
.send_request(request, true)
.expect_err("should be UserError");
let ret = h2.await.expect("h2");
drop(client);
ret
};
join(srv, h2).await;
}
#[test]
#[ignore]
fn request_with_h1_version() {}
#[tokio::test]
async fn request_with_connection_headers() {
let _ = env_logger::try_init();
let (io, mut srv) = mock::new();
// can't assert full handshake, since client never sends a request, and
// thus never bothers to ack the settings...
let srv = async move {
srv.read_preface().await.unwrap();
srv.recv_frame(frames::settings()).await;
// goaway is required to make sure the connection closes because
// of no active streams
srv.recv_frame(frames::go_away(0)).await;
};
let headers = vec![
("connection", "foo"),
("keep-alive", "5"),
("proxy-connection", "bar"),
("transfer-encoding", "chunked"),
("upgrade", "HTTP/2.0"),
("te", "boom"),
];
let client = async move {
let (mut client, conn) = client::handshake(io).await.expect("handshake");
for (name, val) in headers {
let req = Request::builder()
.uri("https://http2.akamai.com/")
.header(name, val)
.body(())
.unwrap();
let err = client.send_request(req, true).expect_err(name);
assert_eq!(err.to_string(), "user error: malformed headers");
}
drop(client);
conn.await.unwrap();
};
join(srv, client).await;
}
#[tokio::test]
async fn connection_close_notifies_response_future() {
let _ = env_logger::try_init();
let (io, mut srv) = mock::new();
let srv = async move {
let settings = srv.assert_client_handshake().await;
assert_default_settings!(settings);
srv.recv_frame(
frames::headers(1)
.request("GET", "https://http2.akamai.com/")
.eos(),
)
.await;
// don't send any response, just close
};
let client = async move {
let (mut client, conn) = client::handshake(io).await.expect("handshake");
let request = Request::builder()
.uri("https://http2.akamai.com/")
.body(())
.unwrap();
let req = async move {
let res = client
.send_request(request, true)
.expect("send_request1")
.0
.await;
let err = res.expect_err("response");
assert_eq!(err.to_string(), "broken pipe");
};
join(async move { conn.await.expect("conn") }, req).await;
};
join(srv, client).await;
}
#[tokio::test]
async fn connection_close_notifies_client_poll_ready() {
let _ = env_logger::try_init();
let (io, mut srv) = mock::new();
let srv = async move {
let settings = srv.assert_client_handshake().await;
assert_default_settings!(settings);
srv.recv_frame(
frames::headers(1)
.request("GET", "https://http2.akamai.com/")
.eos(),
)
.await;
};
let client = async move {
let (mut client, mut conn) = client::handshake(io).await.expect("handshake");
let request = Request::builder()
.uri("https://http2.akamai.com/")
.body(())
.unwrap();
let req = async {
let res = client
.send_request(request, true)
.expect("send_request1")
.0
.await;
let err = res.expect_err("response");
assert_eq!(err.to_string(), "broken pipe");
};
conn.drive(req).await;
let err = poll_fn(move |cx| client.poll_ready(cx))
.await
.expect_err("poll_ready");
assert_eq!(err.to_string(), "broken pipe");
};
join(srv, client).await;
}
#[tokio::test]
async fn sending_request_on_closed_connection() {
let _ = env_logger::try_init();
let (io, mut srv) = mock::new();
let srv = async move {
let settings = srv.assert_client_handshake().await;
assert_default_settings!(settings);
srv.recv_frame(
frames::headers(1)
.request("GET", "https://http2.akamai.com/")
.eos(),
)
.await;
srv.send_frame(frames::headers(1).response(200).eos()).await;
// a bad frame!
srv.send_frame(frames::headers(0).response(200).eos()).await;
};
let h2 = async move {
let (mut client, h2) = client::handshake(io).await.expect("handshake");
let request = Request::builder()
.uri("https://http2.akamai.com/")
.body(())
.unwrap();
// first request works
let req = Box::pin(async {
client
.send_request(request, true)
.expect("send_request1")
.0
.await
.expect("response1");
});
// after finish request1, there should be a conn error
let h2 = Box::pin(async move {
h2.await.expect_err("h2 error");
});
match select(h2, req).await {
Either::Left((_, req)) => req.await,
Either::Right((_, _h2)) => unreachable!("Shouldn't happen"), // TODO: Is this correct?
};
let poll_err = poll_fn(|cx| client.poll_ready(cx)).await.unwrap_err();
let msg = "protocol error: unspecific protocol error detected";
assert_eq!(poll_err.to_string(), msg);
let request = Request::builder()
.uri("https://http2.akamai.com/")
.body(())
.unwrap();
let send_err = client.send_request(request, true).unwrap_err();
assert_eq!(send_err.to_string(), msg);
};
join(srv, h2).await;
}
#[tokio::test]
async fn recv_too_big_headers() {
let _ = env_logger::try_init();
let (io, mut srv) = mock::new();
let srv = async move {
let settings = srv.assert_client_handshake().await;
assert_frame_eq(settings, frames::settings().max_header_list_size(10));
srv.recv_frame(
frames::headers(1)
.request("GET", "https://http2.akamai.com/")
.eos(),
)
.await;
srv.recv_frame(
frames::headers(3)
.request("GET", "https://http2.akamai.com/")
.eos(),
)
.await;
srv.send_frame(frames::headers(1).response(200).eos()).await;
srv.send_frame(frames::headers(3).response(200)).await;
// no reset for 1, since it's closed anyways
// but reset for 3, since server hasn't closed stream
srv.recv_frame(frames::reset(3).refused()).await;
idle_ms(10).await;
};
let client = async move {
let (mut client, mut conn) = client::Builder::new()
.max_header_list_size(10)
.handshake::<_, Bytes>(io)
.await
.expect("handshake");
let request = Request::builder()
.uri("https://http2.akamai.com/")
.body(())
.unwrap();
let req1 = client.send_request(request, true);
let req1 = async move {
let err = req1.expect("send_request").0.await.expect_err("response1");
assert_eq!(err.reason(), Some(Reason::REFUSED_STREAM));
};
let request = Request::builder()
.uri("https://http2.akamai.com/")
.body(())
.unwrap();
let req2 = client.send_request(request, true);
let req2 = async move {
let err = req2.expect("send_request").0.await.expect_err("response2");
assert_eq!(err.reason(), Some(Reason::REFUSED_STREAM));
};
conn.drive(join(req1, req2)).await;
conn.await.expect("client");
};
join(srv, client).await;
}
#[tokio::test]
async fn pending_send_request_gets_reset_by_peer_properly() {
let _ = env_logger::try_init();
let (io, mut srv) = mock::new();
let payload = Bytes::from(vec![0; (frame::DEFAULT_INITIAL_WINDOW_SIZE * 2) as usize]);
let max_frame_size = frame::DEFAULT_MAX_FRAME_SIZE as usize;
let srv = async {
let settings = srv.assert_client_handshake().await;
assert_default_settings!(settings);
srv.recv_frame(frames::headers(1).request("GET", "https://http2.akamai.com/"))
.await;
// Note that we can only send up to ~4 frames of data by default
srv.recv_frame(frames::data(1, &payload[0..max_frame_size]))
.await;
srv.recv_frame(frames::data(
1,
&payload[max_frame_size..(max_frame_size * 2)],
))
.await;
srv.recv_frame(frames::data(
1,
&payload[(max_frame_size * 2)..(max_frame_size * 3)],
))
.await;
srv.recv_frame(frames::data(
1,
&payload[(max_frame_size * 3)..(max_frame_size * 4 - 1)],
))
.await;
idle_ms(100).await;
srv.send_frame(frames::reset(1).refused()).await;
// Because all active requests are finished, connection should shutdown
// and send a GO_AWAY frame. If the reset stream is bugged (and doesn't
// count towards concurrency limit), then connection will not send
// a GO_AWAY and this test will fail.
srv.recv_frame(frames::go_away(0)).await;
drop(srv);
};
let client = async {
let (mut client, mut conn) = client::Builder::new()
.handshake::<_, Bytes>(io)
.await
.expect("handshake");
let request = Request::builder()
.uri("https://http2.akamai.com/")
.body(())
.unwrap();
let (response, mut stream) = client.send_request(request, false).expect("send_request");
let response = async move {
let err = response.await.expect_err("response");
assert_eq!(err.reason(), Some(Reason::REFUSED_STREAM));
};
// Send the data
stream.send_data(payload.clone(), true).unwrap();
conn.drive(response).await;
drop(client);
drop(stream);
conn.await.expect("client");
};
join(srv, client).await;
}
#[tokio::test]
async fn request_without_path() {
let _ = env_logger::try_init();
let (io, mut srv) = mock::new();
let srv = async move {
let settings = srv.assert_client_handshake().await;
assert_default_settings!(settings);
srv.recv_frame(
frames::headers(1)
.request("GET", "http://example.com/")
.eos(),
)
.await;
srv.send_frame(frames::headers(1).response(200).eos()).await;
};
let client = async move {
let (mut client, mut conn) = client::handshake(io).await.expect("handshake");
// Note the lack of trailing slash.
let request = Request::get("http://example.com").body(()).unwrap();
let (response, _) = client.send_request(request, true).unwrap();
conn.drive(response).await.unwrap();
};
join(srv, client).await;
}
#[tokio::test]
async fn request_options_with_star() {
let _ = env_logger::try_init();
let (io, mut srv) = mock::new();
// Note the lack of trailing slash.
let uri = uri::Uri::from_parts({
let mut parts = uri::Parts::default();
parts.scheme = Some(uri::Scheme::HTTP);
parts.authority = Some(uri::Authority::from_static("example.com"));
parts.path_and_query = Some(uri::PathAndQuery::from_static("*"));
parts
})
.unwrap();
let uri_clone = uri.clone();
let srv = async move {
let settings = srv.assert_client_handshake().await;
assert_default_settings!(settings);
srv.recv_frame(frames::headers(1).request("OPTIONS", uri_clone).eos())
.await;
srv.send_frame(frames::headers(1).response(200).eos()).await;
};
let client = async move {
let (mut client, mut conn) = client::handshake(io).await.expect("handshake");
let request = Request::builder()
.method(Method::OPTIONS)
.uri(uri)
.body(())
.unwrap();
let (response, _) = client.send_request(request, true).unwrap();
conn.drive(response).await.unwrap();
};
join(srv, client).await;
}
#[tokio::test]
async fn notify_on_send_capacity() {
// This test ensures that the client gets notified when there is additional
// send capacity. In other words, when the server is ready to accept a new
// stream, the client is notified.
use tokio::sync::oneshot;
let _ = env_logger::try_init();
let (io, mut srv) = mock::new();
let (done_tx, done_rx) = oneshot::channel();
let (tx, rx) = oneshot::channel();
let mut settings = frame::Settings::default();
settings.set_max_concurrent_streams(Some(1));
let srv = async move {
let settings = srv.assert_client_handshake_with_settings(settings).await;
// This is the ACK
assert_default_settings!(settings);
tx.send(()).unwrap();
srv.recv_frame(
frames::headers(1)
.request("GET", "https://www.example.com/")
.eos(),
)
.await;
srv.send_frame(frames::headers(1).response(200).eos()).await;
srv.recv_frame(
frames::headers(3)
.request("GET", "https://www.example.com/")
.eos(),
)
.await;
srv.send_frame(frames::headers(3).response(200).eos()).await;
srv.recv_frame(
frames::headers(5)
.request("GET", "https://www.example.com/")
.eos(),
)
.await;
srv.send_frame(frames::headers(5).response(200).eos()).await;
// Don't close the connection until the client is done doing its
// checks.
done_rx.await.unwrap();
};
let client = async move {
let (mut client, conn) = client::handshake(io).await.expect("handshake");
tokio::spawn(async move {
rx.await.unwrap();
let mut responses = vec![];
for _ in 0..3usize {
// Wait for capacity. If the client is **not** notified,
// this hangs.
poll_fn(|cx| client.poll_ready(cx)).await.unwrap();
let request = Request::builder()
.uri("https://www.example.com/")
.body(())
.unwrap();
let response = client.send_request(request, true).unwrap().0;
responses.push(response);
}
for response in responses {
let response = response.await.unwrap();
assert_eq!(response.status(), StatusCode::OK);
}
poll_fn(|cx| client.poll_ready(cx)).await.unwrap();
done_tx.send(()).unwrap();
});
conn.await.expect("h2");
};
join(srv, client).await;
}
#[tokio::test]
async fn send_stream_poll_reset() {
let _ = env_logger::try_init();
let (io, mut srv) = mock::new();
let srv = async move {
let settings = srv.assert_client_handshake().await;
assert_default_settings!(settings);
srv.recv_frame(frames::headers(1).request("POST", "https://example.com/"))
.await;
srv.send_frame(frames::reset(1).refused()).await;
};
let client = async move {
let (mut client, mut conn) = client::Builder::new()
.handshake::<_, Bytes>(io)
.await
.expect("handshake");
let request = Request::builder()
.method(Method::POST)
.uri("https://example.com/")
.body(())
.unwrap();
let (_response, mut tx) = client.send_request(request, false).unwrap();
let reason = conn
.drive(poll_fn(move |cx| tx.poll_reset(cx)))
.await
.unwrap();
assert_eq!(reason, Reason::REFUSED_STREAM);
};
join(srv, client).await;
}
#[tokio::test]
async fn drop_pending_open() {
// This test checks that a stream queued for pending open behaves correctly when its
// client drops.
use tokio::sync::oneshot;
let _ = env_logger::try_init();
let (io, mut srv) = mock::new();
let (init_tx, init_rx) = oneshot::channel();
let (trigger_go_away_tx, trigger_go_away_rx) = oneshot::channel();
let (sent_go_away_tx, sent_go_away_rx) = oneshot::channel();
let (drop_tx, drop_rx) = oneshot::channel();
let mut settings = frame::Settings::default();
settings.set_max_concurrent_streams(Some(2));
let srv = async move {
let settings = srv.assert_client_handshake_with_settings(settings).await;
// This is the ACK
assert_default_settings!(settings);
init_tx.send(()).unwrap();
srv.recv_frame(frames::headers(1).request("GET", "https://www.example.com/"))
.await;
srv.recv_frame(
frames::headers(3)
.request("GET", "https://www.example.com/")
.eos(),
)
.await;
trigger_go_away_rx.await.unwrap();
srv.send_frame(frames::go_away(3)).await;
sent_go_away_tx.send(()).unwrap();
drop_rx.await.unwrap();
srv.send_frame(frames::headers(3).response(200).eos()).await;
srv.recv_frame(frames::data(1, vec![]).eos()).await;
srv.send_frame(frames::headers(1).response(200).eos()).await;
};
fn request() -> Request<()> {
Request::builder()
.uri("https://www.example.com/")
.body(())
.unwrap()
}
let client = async move {
let (mut client, conn) = client::Builder::new()
.max_concurrent_reset_streams(0)
.handshake::<_, Bytes>(io)
.await
.expect("handshake");
let f = async move {
init_rx.await.expect("init_rx");
// Fill up the concurrent stream limit.
poll_fn(|cx| client.poll_ready(cx)).await.unwrap();
let mut response1 = client.send_request(request(), false).unwrap();
poll_fn(|cx| client.poll_ready(cx)).await.unwrap();
let response2 = client.send_request(request(), true).unwrap();
poll_fn(|cx| client.poll_ready(cx)).await.unwrap();
let response3 = client.send_request(request(), true).unwrap();
// Trigger a GOAWAY frame to invalidate our third request.
trigger_go_away_tx.send(()).unwrap();
sent_go_away_rx.await.expect("sent_go_away_rx");
// Now drop all the references to that stream.
drop(response3);
drop(client);
drop_tx.send(()).unwrap();
// Complete the second request, freeing up a stream.
response2.0.await.expect("resp2");
response1.1.send_data(Default::default(), true).unwrap();
response1.0.await.expect("resp1")
};
join(
async move {
conn.await.expect("h2");
},
f,
)
.await;
};
join(srv, client).await;
}
#[tokio::test]
async fn malformed_response_headers_dont_unlink_stream() {
// This test checks that receiving malformed headers frame on a stream with
// no remaining references correctly resets the stream, without prematurely
// unlinking it.
use tokio::sync::oneshot;
let _ = env_logger::try_init();
let (io, mut srv) = mock::new();
let (drop_tx, drop_rx) = oneshot::channel();
let (queued_tx, queued_rx) = oneshot::channel();
let srv = async move {
let settings = srv.assert_client_handshake().await;
assert_default_settings!(settings);
srv.recv_frame(frames::headers(1).request("GET", "http://example.com/"))
.await;
srv.recv_frame(frames::headers(3).request("GET", "http://example.com/"))
.await;
srv.recv_frame(frames::headers(5).request("GET", "http://example.com/"))
.await;
drop_tx.send(()).unwrap();
queued_rx.await.unwrap();
srv.send_bytes(&[
// 2 byte frame
0, 0, 2, // type: HEADERS
1, // flags: END_STREAM | END_HEADERS
5, // stream identifier: 3
0, 0, 0, 3, // data - invalid (pseudo not at end of block)
144,
135, // Per the spec, this frame should cause a stream error of type
// PROTOCOL_ERROR.
])
.await;
};
fn request() -> Request<()> {
Request::builder()
.uri("http://example.com/")
.body(())
.unwrap()
}
let client = async move {
let (mut client, conn) = client::Builder::new()
.handshake::<_, Bytes>(io)
.await
.expect("handshake");
let (_req1, mut send1) = client.send_request(request(), false).unwrap();
// Use up most of the connection window.
send1.send_data(vec![0; 65534].into(), true).unwrap();
let (req2, mut send2) = client.send_request(request(), false).unwrap();
let (req3, mut send3) = client.send_request(request(), false).unwrap();
let f = async move {
drop_rx.await.unwrap();
// Use up the remainder of the connection window.
send2.send_data(vec![0; 2].into(), true).unwrap();
// Queue up for more connection window.
send3.send_data(vec![0; 1].into(), true).unwrap();
queued_tx.send(()).unwrap();
drop((req2, req3));
};
join(async move { conn.await.expect("h2") }, f).await;
};
join(srv, client).await;
}
const SETTINGS: &'static [u8] = &[0, 0, 0, 4, 0, 0, 0, 0, 0];
const SETTINGS_ACK: &'static [u8] = &[0, 0, 0, 4, 1, 0, 0, 0, 0];
trait MockH2 {
fn handshake(&mut self) -> &mut Self;
}
impl MockH2 for mock_io::Builder {
fn handshake(&mut self) -> &mut Self {
self.write(b"PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n")
// Settings frame
.write(SETTINGS)
.read(SETTINGS)
.read(SETTINGS_ACK)
}
}