From: Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com>
Date: Wed, 15 Jun 2022 15:10:40 +0000 (-0700)
Subject: GH-93850: Fix test_asyncio exception ignored tracebacks (GH-93854)
X-Git-Tag: v3.11.0b4~163
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=d1fd7393a293e7043548973dbc055be55cf9d51e;p=thirdparty%2FPython%2Fcpython.git

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

(cherry picked from commit b415c5f1aa29259d5d18a5d85b9365430614383a)

Co-authored-by: Kumar Aditya <59607654+kumaraditya303@users.noreply.github.com>
---

diff --git a/Lib/test/test_asyncio/test_runners.py b/Lib/test/test_asyncio/test_runners.py
index 0c2092147842..3e288d1b62ad 100644
--- a/Lib/test/test_asyncio/test_runners.py
+++ b/Lib/test/test_asyncio/test_runners.py
@@ -45,6 +45,9 @@ 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