Files
mcp-memory/stub/tests/negative_scenarios.rs
T

109 lines
3.2 KiB
Rust

use std::process::Stdio;
use std::time::{Duration, Instant};
use tokio::process::Command;
fn get_stub_exe() -> std::path::PathBuf {
let manifest_dir = std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR"));
let debug_dir = manifest_dir.parent().unwrap().join("target").join("debug");
debug_dir.join(format!("mcp-memory-stub{}", std::env::consts::EXE_SUFFIX))
}
#[tokio::test]
async fn test_stub_connection_refused() {
let _ = std::process::Command::new("cargo")
.arg("build")
.arg("--bin")
.arg("mcp-memory-stub")
.status();
let target = "http://127.0.0.1:49999";
let start = Instant::now();
let mut child = Command::new(get_stub_exe())
.arg("--target")
.arg(target)
.stdin(Stdio::null()) // close stdin immediately to simulate EOF
.spawn()
.expect("Failed to execute stub");
let res = tokio::time::timeout(Duration::from_secs(5), child.wait()).await;
let elapsed = start.elapsed();
assert!(
res.is_ok(),
"Stub hung on connection refused! Took {:?}",
elapsed
);
}
#[tokio::test]
async fn test_stub_handles_eof_cleanly() {
let _ = std::process::Command::new("cargo")
.arg("build")
.arg("--bin")
.arg("mcp-memory-stub")
.status();
let target = "http://127.0.0.1:49998";
let mut child = Command::new(get_stub_exe())
.arg("--target")
.arg(target)
.stdin(Stdio::piped())
.stdout(Stdio::piped())
.stderr(Stdio::piped())
.spawn()
.expect("Failed to execute stub");
if let Some(mut stdin) = child.stdin.take() {
use tokio::io::AsyncWriteExt;
let msg = "Content-Length: 51\r\n\r\n{\"jsonrpc\":\"2.0\",\"method\":\"tools/list\",\"params\":{},\"id\":1}";
stdin.write_all(msg.as_bytes()).await.unwrap();
} // stdin dropped here
let start = Instant::now();
let res = tokio::time::timeout(Duration::from_secs(5), child.wait()).await;
let elapsed = start.elapsed();
assert!(res.is_ok(), "Stub hung after EOF! Took {:?}", elapsed);
}
#[tokio::test]
async fn test_stub_sse_fallback_failure() {
let _ = std::process::Command::new("cargo")
.arg("build")
.arg("--bin")
.arg("mcp-memory-stub")
.status();
let listener = tokio::net::TcpListener::bind("127.0.0.1:0").await.unwrap();
let local_addr = listener.local_addr().unwrap();
let target = format!("http://127.0.0.1:{}", local_addr.port());
tokio::spawn(async move {
while let Ok((mut socket, _)) = listener.accept().await {
use tokio::io::AsyncReadExt;
let mut buf = [0; 1024];
let _ = socket.read(&mut buf).await;
drop(socket);
}
});
let start = Instant::now();
let mut child = Command::new(get_stub_exe())
.arg("--target")
.arg(target)
.stdin(Stdio::null())
.spawn()
.expect("Failed to execute stub");
let res = tokio::time::timeout(Duration::from_secs(5), child.wait()).await;
let elapsed = start.elapsed();
assert!(
res.is_ok(),
"Stub hung on fallback failure! Took {:?}",
elapsed
);
}