From: Kumar Aditya <59607654+kumaraditya303@users.noreply.github.com>
Date: Wed, 15 Jun 2022 14:41:47 +0000 (+0530)
Subject: GH-93850: Fix test_asyncio exception ignored tracebacks (#93854)
X-Git-Tag: v3.12.0a1~1247
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=b415c5f1aa29259d5d18a5d85b9365430614383a;p=thirdparty%2FPython%2Fcpython.git

GH-93850: Fix test_asyncio exception ignored tracebacks (#93854)
---

diff --git a/Lib/test/test_asyncio/test_runners.py b/Lib/test/test_asyncio/test_runners.py
index 94d449f47918..7780a5f15e1b 100644
--- a/Lib/test/test_asyncio/test_runners.py
+++ b/Lib/test/test_asyncio/test_runners.py
@@ -44,6 +44,9 @@ class BaseTest(unittest.TestCase):
     def new_loop(self):
         loop = asyncio.BaseEventLoop()
         loop._process_events = mock.Mock()
+        # Mock waking event loop from select
+        loop._write_to_self = mock.Mock()
+        loop._write_to_self.return_value = None
         loop._selector = mock.Mock()
         loop._selector.select.return_value = ()
         loop.shutdown_ag_run = False