//! Verifies that the server returns a `ConnectionClosed` error when the connection //! is closedd from the server's point of view and drop the underlying tcp socket. use std::net::TcpListener; use std::process::exit; use std::thread::{sleep, spawn}; use std::time::Duration; use tungstenite::{accept, connect, Error, Message}; use url::Url; #[test] fn test_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("127.0.0.1:3012").unwrap(); let client_thread = spawn(move || { let (mut client, _) = connect(Url::parse("ws://localhost:3012/socket").unwrap()).unwrap(); client .write_message(Message::Text("Hello WebSocket".into())) .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(); let message = client_handler.read_message().unwrap(); assert_eq!(message.into_data(), b"Hello WebSocket"); client_handler.close(None).unwrap(); // send close to client assert!(client_handler.read_message().unwrap().is_close()); // receive acknowledgement let err = client_handler.read_message().unwrap_err(); // now we should get ConnectionClosed match err { Error::ConnectionClosed => {} _ => panic!("unexpected error: {:?}", err), } drop(client_handler); client_thread.join().unwrap(); }