From 713590f9b2bef0641511b5195bdbb4c9253e9b8c Mon Sep 17 00:00:00 2001
From: "Miss Islington (bot)"
 <31488909+miss-islington@users.noreply.github.com>
Date: Sat, 22 Jul 2023 05:48:41 -0700
Subject: [PATCH] [3.12] gh-106714: Fix test_capi to not write a coredump
 (GH-107007) (#107009)

gh-106714: Fix test_capi to not write a coredump (GH-107007)

test_capi: Fix test_no_FatalError_infinite_loop() to no longer write
a coredump, by using test.support.SuppressCrashReport.
(cherry picked from commit 4a1026d7647c084b0dc80dd49163d16ba12a2e55)

Co-authored-by: Victor Stinner <vstinner@python.org>
---
 Lib/test/test_capi/test_misc.py                      | 12 +++++++++---
 .../2023-07-22-13-49-40.gh-issue-106714.btYI5S.rst   |  3 +++
 2 files changed, 12 insertions(+), 3 deletions(-)
 create mode 100644 Misc/NEWS.d/next/Tests/2023-07-22-13-49-40.gh-issue-106714.btYI5S.rst

diff --git a/Lib/test/test_capi/test_misc.py b/Lib/test/test_capi/test_misc.py
index 61947cb7945193..cd37fc71aa966e 100644
--- a/Lib/test/test_capi/test_misc.py
+++ b/Lib/test/test_capi/test_misc.py
@@ -85,9 +85,15 @@ def test_instancemethod(self):
 
     @support.requires_subprocess()
     def test_no_FatalError_infinite_loop(self):
-        run_result, _cmd_line = run_python_until_end(
-            '-c', 'import _testcapi; _testcapi.crash_no_current_thread()',
-        )
+        code = textwrap.dedent("""
+            import _testcapi
+            from test import support
+
+            with support.SuppressCrashReport():
+                _testcapi.crash_no_current_thread()
+        """)
+
+        run_result, _cmd_line = run_python_until_end('-c', code)
         _rc, out, err = run_result
         self.assertEqual(out, b'')
         # This used to cause an infinite loop.
diff --git a/Misc/NEWS.d/next/Tests/2023-07-22-13-49-40.gh-issue-106714.btYI5S.rst b/Misc/NEWS.d/next/Tests/2023-07-22-13-49-40.gh-issue-106714.btYI5S.rst
new file mode 100644
index 00000000000000..955620521c8f68
--- /dev/null
+++ b/Misc/NEWS.d/next/Tests/2023-07-22-13-49-40.gh-issue-106714.btYI5S.rst
@@ -0,0 +1,3 @@
+test_capi: Fix test_no_FatalError_infinite_loop() to no longer write a
+coredump, by using test.support.SuppressCrashReport. Patch by Victor
+Stinner.