Make things work on latest pytest-asyncio

Author: bmerry

pyproject.toml

@@ -23,9 +23,10 @@ Homepage = "https://github.com/bmerry/async-solipsism"
 
 [project.optional-dependencies]
 test = [
+    "backports.asyncio.runner; python_version<'3.11'",
     "pre-commit",
     "pytest",
-    "pytest-asyncio>=0.23,<1.0",
+    "pytest-asyncio>=0.23",
     "pytest-mock",
 ]
 

requirements.txt

@@ -1,5 +1,7 @@
 # This file was autogenerated by uv via the following command:
 #    uv pip compile --python-version=3.10 --universal --output-file=requirements.txt --extra=test pyproject.toml
+backports-asyncio-runner==1.2.0 ; python_full_version < '3.11'
+    # via async-solipsism (pyproject.toml)
 cfgv==3.5.0
     # via pre-commit
 colorama==0.4.6 ; sys_platform == 'win32'

src/async_solipsism/loop.py

@@ -219,6 +219,17 @@ def _stop_serving(self, sock):
         self.__listening_sockets.pop(addr)
         super()._stop_serving(sock)
 
+    async def shutdown_default_executor(self, timeout=None):
+        # The default implementation uses an asyncio timeout, which
+        # would complete immediately without giving the executor
+        # time to shut down. We ignore the timeout and just shut
+        # things down synchronously. This is based on the code in
+        # CPython.
+        self._executor_shutdown_called = True
+        if self._default_executor is None:
+            return
+        self._default_executor.shutdown(wait=True)
+
 
 class EventLoopPolicy(asyncio.DefaultEventLoopPolicy):
     def new_event_loop(self) -> EventLoop:

test/test_loop.py

@@ -17,7 +17,12 @@
 
 import asyncio
 import concurrent.futures
+import sys
 import threading
+if sys.version_info < (3, 11):
+    from backports.asyncio.runner import Runner
+else:
+    from asyncio import Runner
 
 import pytest
 
@@ -36,12 +41,13 @@ async def test_sleep():
     assert event_loop.time() == 2.0
 
 
-def test_sleep_forever(event_loop):
+def test_sleep_forever():
     async def zzz():
         await asyncio.Future()
 
-    with pytest.raises(async_solipsism.SleepForeverError):
-        event_loop.run_until_complete(zzz())
+    with Runner(loop_factory=async_solipsism.EventLoop) as runner:
+        with pytest.raises(async_solipsism.SleepForeverError):
+            runner.run(zzz())
 
 
 @pytest.mark.parametrize(