//! Verifies that we can read data messages even if we have initiated a close handshake, //! but before we got confirmation. use std::{ net::TcpListener, process::exit, thread::{sleep, spawn}, time::Duration, }; use tungstenite::{accept, connect, error::ProtocolError, Error, Message}; use url::Url; #[test] fn test_no_send_after_close() { env_logger::init(); spawn(|| { sleep(Duration::from_secs(5)); println!("Unit test executed too long, perhaps stuck on WOULDBLOCK..."); exit(1); }); let server = TcpListener::bind("127.0.0.1:3013").unwrap(); let client_thread = spawn(move || { let (mut client, _) = connect(Url::parse("ws://localhost:3013/socket").unwrap()).unwrap(); let message = client.read_message().unwrap(); // receive close from server assert!(message.is_close()); let err = client.read_message().unwrap_err(); // now we should get ConnectionClosed match err { Error::ConnectionClosed => {} _ => panic!("unexpected error: {:?}", err), } }); let client_handler = server.incoming().next().unwrap(); let mut client_handler = accept(client_handler.unwrap()).unwrap(); client_handler.close(None).unwrap(); // send close to client let err = client_handler.write_message(Message::Text("Hello WebSocket".into())); assert!(err.is_err()); match err.unwrap_err() { Error::Protocol(s) => assert_eq!(s, ProtocolError::SendAfterClosing), e => panic!("unexpected error: {:?}", e), } drop(client_handler); client_thread.join().unwrap(); }