https://github.com/python/cpython/commit/cb6fed0d7e3f5104b76ef2febc51f11a94aa2e04
commit: cb6fed0d7e3f5104b76ef2febc51f11a94aa2e04
branch: main
author: Pablo Galindo Salgado <[email protected]>
committer: pablogsal <[email protected]>
date: 2025-09-21T18:39:07Z
summary:
gh-138709: Supress stdout/stderr during test_sampling_profiler tests (#139212)
files:
M Lib/test/test_profiling/test_sampling_profiler.py
diff --git a/Lib/test/test_profiling/test_sampling_profiler.py
b/Lib/test/test_profiling/test_sampling_profiler.py
index fd6b1862230288..687dd733807db7 100644
--- a/Lib/test/test_profiling/test_sampling_profiler.py
+++ b/Lib/test/test_profiling/test_sampling_profiler.py
@@ -22,6 +22,7 @@
from test.support import force_not_colorized_test_class, SHORT_TIMEOUT
from test.support.socket_helper import find_unused_port
from test.support import requires_subprocess, is_emscripten
+from test.support import captured_stdout, captured_stderr
PROCESS_VM_READV_SUPPORTED = False
@@ -416,7 +417,8 @@ def test_collapsed_stack_collector_export(self):
collector.collect(test_frames2)
collector.collect(test_frames3)
- collector.export(collapsed_out.name)
+ with (captured_stdout(), captured_stderr()):
+ collector.export(collapsed_out.name)
# Check file contents
with open(collapsed_out.name, "r") as f:
content = f.read()
@@ -500,7 +502,8 @@ def test_flamegraph_collector_export(self):
collector.collect(test_frames3)
# Export flamegraph
- collector.export(flamegraph_out.name)
+ with (captured_stdout(), captured_stderr()):
+ collector.export(flamegraph_out.name)
# Verify file was created and contains valid data
self.assertTrue(os.path.exists(flamegraph_out.name))
@@ -1918,7 +1921,7 @@ def test_valid_output_formats(self):
self.addCleanup(shutil.rmtree, tempdir.name)
- with contextlib.chdir(tempdir.name):
+ with (contextlib.chdir(tempdir.name), captured_stdout(),
captured_stderr()):
for fmt in valid_formats:
try:
# This will likely fail with permissions, but the format
should be valid
@@ -2632,6 +2635,7 @@ def test_gil_mode_collector_configuration(self):
with (
mock.patch("profiling.sampling.sample.SampleProfiler") as
mock_profiler,
mock.patch("profiling.sampling.sample.PstatsCollector") as
mock_collector,
+ captured_stdout(), captured_stderr()
):
# Mock the profiler instance
mock_instance = mock.Mock()
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