Files
llmx/codex-rs/stdio-to-uds/tests/stdio_to_uds.rs
2025-10-19 21:12:45 -07:00

69 lines
2.0 KiB
Rust

use std::io::ErrorKind;
use std::io::Read;
use std::io::Write;
use std::sync::mpsc;
use std::thread;
use std::time::Duration;
use anyhow::Context;
use assert_cmd::Command;
use pretty_assertions::assert_eq;
#[cfg(unix)]
use std::os::unix::net::UnixListener;
#[cfg(windows)]
use uds_windows::UnixListener;
#[test]
fn pipes_stdin_and_stdout_through_socket() -> anyhow::Result<()> {
let dir = tempfile::TempDir::new().context("failed to create temp dir")?;
let socket_path = dir.path().join("socket");
let listener = match UnixListener::bind(&socket_path) {
Ok(listener) => listener,
Err(err) if err.kind() == ErrorKind::PermissionDenied => {
eprintln!("skipping test: failed to bind unix socket: {err}");
return Ok(());
}
Err(err) => {
return Err(err).context("failed to bind test unix socket");
}
};
let (tx, rx) = mpsc::channel();
let server_thread = thread::spawn(move || -> anyhow::Result<()> {
let (mut connection, _) = listener
.accept()
.context("failed to accept test connection")?;
let mut received = Vec::new();
connection
.read_to_end(&mut received)
.context("failed to read data from client")?;
tx.send(received)
.map_err(|_| anyhow::anyhow!("failed to send received bytes to test thread"))?;
connection
.write_all(b"response")
.context("failed to write response to client")?;
Ok(())
});
Command::cargo_bin("codex-stdio-to-uds")?
.arg(&socket_path)
.write_stdin("request")
.assert()
.success()
.stdout("response");
let received = rx
.recv_timeout(Duration::from_secs(1))
.context("server did not receive data in time")?;
assert_eq!(received, b"request");
let server_result = server_thread
.join()
.map_err(|_| anyhow::anyhow!("server thread panicked"))?;
server_result.context("server failed")?;
Ok(())
}