[Python-checkins] [3.12] gh-130736: Fix asyncio test_shutdown_default_executor_timeout() (GH-130800) (#130826)

[kumaraditya303]

https://github.com/python/cpython/commit/a0ac4dbe88041c7ca1d58c85305bf9d8c2286c19
commit: a0ac4dbe88041c7ca1d58c85305bf9d8c2286c19
branch: 3.12
author: Miss Islington (bot) <31488909+miss-isling...@users.noreply.github.com>
committer: kumaraditya303 <kumaradi...@python.org>
date: 2025-03-04T17:41:00+05:30
summary:

[3.12] gh-130736: Fix asyncio test_shutdown_default_executor_timeout() 
(GH-130800) (#130826)

gh-130736: Fix asyncio test_shutdown_default_executor_timeout() (GH-130800)

Replace time.sleep() with threading.Event.
(cherry picked from commit 6c48ed7d62c6ca0eb24935b0e612f9e4a1a3b1bc)

Co-authored-by: Victor Stinner <vstin...@python.org>

files:
M Lib/test/test_asyncio/test_base_events.py

diff --git a/Lib/test/test_asyncio/test_base_events.py 
b/Lib/test/test_asyncio/test_base_events.py
index f3abe7aa9d4e5c..f5cdfc4e431d8e 100644
--- a/Lib/test/test_asyncio/test_base_events.py
+++ b/Lib/test/test_asyncio/test_base_events.py
@@ -232,20 +232,25 @@ def test_set_default_executor_error(self):
         self.assertIsNone(self.loop._default_executor)
 
     def test_shutdown_default_executor_timeout(self):
+        event = threading.Event()
+
         class DummyExecutor(concurrent.futures.ThreadPoolExecutor):
             def shutdown(self, wait=True, *, cancel_futures=False):
                 if wait:
-                    time.sleep(0.1)
+                    event.wait()
 
         self.loop._process_events = mock.Mock()
         self.loop._write_to_self = mock.Mock()
         executor = DummyExecutor()
         self.loop.set_default_executor(executor)
 
-        with self.assertWarnsRegex(RuntimeWarning,
-                                   "The executor did not finishing joining"):
-            self.loop.run_until_complete(
-                self.loop.shutdown_default_executor(timeout=0.01))
+        try:
+            with self.assertWarnsRegex(RuntimeWarning,
+                                       "The executor did not finishing 
joining"):
+                self.loop.run_until_complete(
+                    self.loop.shutdown_default_executor(timeout=0.01))
+        finally:
+            event.set()
 
     def test_call_soon(self):
         def cb():

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