From 404bd1418dd12530d4d4be5b6669e24c8ba29883 Mon Sep 17 00:00:00 2001
From: Henrik Jess Nielsen <lrihni@egmont.com>
Date: Sun, 10 May 2026 15:13:03 +0200
Subject: [PATCH] fix: add 3s timeout to LSP backend connection (handles CI
 firewall drops)

asyncio.open_connection hangs indefinitely when backend port is silently
dropped. Add wait_for(timeout=3.0) so the WS close frame is always sent
within the test's 5s window.
---
 ilsp/server.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/ilsp/server.py b/ilsp/server.py
index f1bee87..8e724d2 100644
--- a/ilsp/server.py
+++ b/ilsp/server.py
@@ -67,8 +67,10 @@ async def _ws_proxy(request: web.Request, host: str, port: int) -> web.WebSocket
     await ws.prepare(request)
 
     try:
-        tcp_reader, tcp_writer = await asyncio.open_connection(host, port)
-    except OSError as exc:
+        tcp_reader, tcp_writer = await asyncio.wait_for(
+            asyncio.open_connection(host, port), timeout=3.0
+        )
+    except (OSError, asyncio.TimeoutError) as exc:
         logger.error("Cannot connect to LSP on %s:%d — %s", host, port, exc)
         await ws.close(code=1011, message=b"LSP backend unavailable")
         return ws