gh-103186: Fix or catch 'extra' stderr output from unittests #103196
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The exception raised is expected and is part of the unit test
…se_fds to be True
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Please let me know if changes to individual files should be separated, would this separation have to be done both at the commit and branch level? |
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The azure pipeline failure page is https://dev.azure.com/Python/cpython/_build/results?buildId=123893&view=logs&j=d554cd63-f8f4-5b2d-871b-33e4ea76e915&t=5a14d0eb-dbd4-5b80-f5d0-7909f950a1cc. In the first run, "3 tests failed: test_asyncgen test_logging test_subprocess". In the rerun, all 3 passed, but a normal sys.exit(0) failed with a PermissionError. We have seen this before, but I thought it was fixed. I am dubious that the patch would be responsible. I may ask about this tomorrow. These three files together look fine together. I think that changes look good; will try to do some testing tomorrow. |
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Thanks Terry! |
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bump! |
terryjreedy
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needs backport to 3.11
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Thanks @TabLand for the PR, and @terryjreedy for merging it 🌮🎉.. I'm working now to backport this PR to: 3.11, 3.12. |
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Sorry, @TabLand and @terryjreedy, I could not cleanly backport this to |
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…ythonGH-103196) Reduce test noise by fixing or catching and testing stderr messages from individual tests. test_cmd_line_script.test_script_as_dev_fd calls spawn_python and hence subprocess.Popen with incompatible arguments. On POSIX, pass_fds forces close_fds to be True (subprocess.py line 848). Correct the call. test_uuid.test_cli_namespace_required_for_uuid3: when the namespace is omitted, uuid.main calls argparse.Argument_Parser.error, which prints to stderr before calling sys.exit, which raises SystemExit. Unittest assertRaises catches the exception but not the previous output. Catch the output and test it. test_warnings.test_catchwarnings_with_simplefilter_error similarly prints before raising. Catch the output and test it. --------- (cherry picked from commit 9d58225) Co-authored-by: Ijtaba Hussain <[email protected]> Co-authored-by: Oleg Iarygin <[email protected]>
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GH-106605 is a backport of this pull request to the 3.12 branch. |
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…ests (python#103196) Reduce test noise by fixing or catching and testing stderr messages from individual tests. test_cmd_line_script.test_script_as_dev_fd calls spawn_python and hence subprocess.Popen with incompatible arguments. On POSIX, pass_fds forces close_fds to be True (subprocess.py line 848). Correct the call. test_uuid.test_cli_namespace_required_for_uuid3: when the namespace is omitted, uuid.main calls argparse.Argument_Parser.error, which prints to stderr before calling sys.exit, which raises SystemExit. Unittest assertRaises catches the exception but not the previous output. Catch the output and test it. test_warnings.test_catchwarnings_with_simplefilter_error similarly prints before raising. Catch the output and test it. --------- Co-authored-by: Oleg Iarygin <[email protected]> (cherry picked from commit 9d58225)
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GH-106606 is a backport of this pull request to the 3.11 branch. |
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…H-103196) (#106605) gh-103186: Fix or catch 'extra' stderr output from unittests (GH-103196) Reduce test noise by fixing or catching and testing stderr messages from individual tests. test_cmd_line_script.test_script_as_dev_fd calls spawn_python and hence subprocess.Popen with incompatible arguments. On POSIX, pass_fds forces close_fds to be True (subprocess.py line 848). Correct the call. test_uuid.test_cli_namespace_required_for_uuid3: when the namespace is omitted, uuid.main calls argparse.Argument_Parser.error, which prints to stderr before calling sys.exit, which raises SystemExit. Unittest assertRaises catches the exception but not the previous output. Catch the output and test it. test_warnings.test_catchwarnings_with_simplefilter_error similarly prints before raising. Catch the output and test it. --------- (cherry picked from commit 9d58225) Co-authored-by: Ijtaba Hussain <[email protected]> Co-authored-by: Oleg Iarygin <[email protected]>
terryjreedy
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…103196) (#106606) Reduce test noise by fixing or catching and testing stderr messages from individual tests. test_cmd_line_script.test_script_as_dev_fd calls spawn_python and hence subprocess.Popen with incompatible arguments. On POSIX, pass_fds forces close_fds to be True (subprocess.py line 848). Correct the call. test_uuid.test_cli_namespace_required_for_uuid3: when the namespace is omitted, uuid.main calls argparse.Argument_Parser.error, which prints to stderr before calling sys.exit, which raises SystemExit. Unittest assertRaises catches the exception but not the previous output. Catch the output and test it. test_warnings.test_catchwarnings_with_simplefilter_error similarly prints before raising. Catch the output and test it. --------- Co-authored-by: Oleg Iarygin <[email protected]> (cherry picked from commit 9d58225)
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Reduce test noise by fixing or catching and testing stderr messages from individual tests.
test_cmd_line_script.test_script_as_dev_fd calls spawn_python and hence subprocess.Popen with incompatible arguments. On POSIX, pass_fds forces close_fds to be True (subprocess.py line 848). Correct the call.
test_uuid.test_cli_namespace_required_for_uuid3: when the namespace is omitted, uuid.main calls argparse.Argument_Parser.error, which prints to stderr before calling sys.exit, which raises SystemExit. Unittest assertRaises catches the exception but not the previous output. Catch the output and test it.
test_warnings.test_catchwarnings_with_simplefilter_error similarly prints before raising. Catch the output and test it.