From 0ad3148aa20aad566bf17bebd14b1cc59caea45f Mon Sep 17 00:00:00 2001 From: Serhiy Storchaka Date: Wed, 22 Jul 2026 21:25:37 +0300 Subject: [PATCH] gh-154272: Skip more forkserver tests if the start method is unavailable (GH-154499) Two tests were still not skipped: they were only guarded against Cygwin and Windows. Co-authored-by: Claude Opus 4.8 (cherry picked from commit a2a846678e54b1b5defdccd451c573679094ff02) --- Lib/test/test_concurrent_futures/test_init.py | 3 +++ Lib/test/test_profiling/test_tracing_profiler.py | 5 +++-- 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/Lib/test/test_concurrent_futures/test_init.py b/Lib/test/test_concurrent_futures/test_init.py index 5ea543bf748982..c9fedc7213256c 100644 --- a/Lib/test/test_concurrent_futures/test_init.py +++ b/Lib/test/test_concurrent_futures/test_init.py @@ -1,5 +1,6 @@ import contextlib import logging +import multiprocessing import queue import time import unittest @@ -147,6 +148,8 @@ def test_spawn(self): self._test(ProcessPoolSpawnFailingInitializerTest) @support.skip_if_sanitizer("TSAN doesn't support threads after fork", thread=True) + @unittest.skipUnless("forkserver" in multiprocessing.get_all_start_methods(), + "forkserver start method is not available") def test_forkserver(self): self._test(ProcessPoolForkserverFailingInitializerTest) diff --git a/Lib/test/test_profiling/test_tracing_profiler.py b/Lib/test/test_profiling/test_tracing_profiler.py index 8a7070142b60ee..6a4d968f12ef15 100644 --- a/Lib/test/test_profiling/test_tracing_profiler.py +++ b/Lib/test/test_profiling/test_tracing_profiler.py @@ -1,4 +1,5 @@ """Test suite for the cProfile module.""" +import multiprocessing import sys import unittest @@ -220,8 +221,8 @@ def test_process_spawn_pickle(self): # gh-140729: test use Process in cProfile. self._test_process_run_pickle('spawn') - @unittest.skipIf(sys.platform == 'win32', - "No 'forkserver' start method on Windows") + @unittest.skipUnless("forkserver" in multiprocessing.get_all_start_methods(), + "forkserver start method is not available") def test_process_forkserver_pickle(self): # gh-140729: test use Process in cProfile. self._test_process_run_pickle('forkserver')