fix: skip wait_closed() on Windows to avoid socket shutdown hang

src/fastmcp/utilities/tests.py

@@ -34,6 +34,7 @@ async def _wait_for_port(
         interval: Time between connection attempts
     """
     import asyncio
+    import sys
 
     start = asyncio.get_running_loop().time()
     while True:
@@ -42,7 +43,10 @@ async def _wait_for_port(
                 asyncio.open_connection(host, port), timeout=interval
             )
             writer.close()
-            await writer.wait_closed()
+            # On Windows, wait_closed() can hang due to ProactorEventLoop socket
+            # shutdown issues. Skip it - the socket will be cleaned up eventually.
+            if sys.platform != "win32":
+                await writer.wait_closed()
             return
         except (OSError, asyncio.TimeoutError):
             if asyncio.get_running_loop().time() - start > timeout:

tests/conftest.py

@@ -2,26 +2,12 @@ import socket
 from collections.abc import Callable
 from pathlib import Path
 from typing import Any
-from unittest.mock import patch
 
 import pytest
 
 from fastmcp.utilities.tests import temporary_settings
 
 
-# Fakeredis connection pool disconnect can hang on Windows due to ProactorEventLoop
-# socket shutdown issues. Since fakeredis uses in-memory connections that don't need
-# proper network cleanup, we skip the disconnect entirely in tests.
-async def _fast_disconnect(self):
-    pass
-
-
-_disconnect_patch = patch(
-    "redis.asyncio.connection.ConnectionPool.disconnect", _fast_disconnect
-)
-_disconnect_patch.start()
-
-
 def pytest_collection_modifyitems(items):
     """Automatically mark tests in integration_tests folder with 'integration' marker."""
     for item in items: