New submission from STINNER Victor <vstin...@redhat.com>:
test_signal.test_warn_on_full_buffer() failed on AppVeyor. https://ci.appveyor.com/project/python/cpython/build/3.8build19372 ====================================================================== FAIL: test_warn_on_full_buffer (test.test_signal.WakeupSocketSignalTests) ---------------------------------------------------------------------- Traceback (most recent call last): File "C:\projects\cpython\lib\test\test_signal.py", line 538, in test_warn_on_full_buffer assert_python_ok('-c', code) File "C:\projects\cpython\lib\test\support\script_helper.py", line 157, in assert_python_ok return _assert_python(True, *args, **env_vars) File "C:\projects\cpython\lib\test\support\script_helper.py", line 143, in _assert_python res.fail(cmd_line) File "C:\projects\cpython\lib\test\support\script_helper.py", line 84, in fail err)) AssertionError: Process return code is 1 command line: ['C:\\projects\\cpython\\PCbuild\\win32\\python.exe', '-X', 'faulthandler', '-I', '-c', 'if 1:\n import errno\n import signal\n import socket\n import sys\n import time\n import _testcapi\n from test.support import captured_stderr\n\n signum = signal.SIGINT\n\n # This handler will be called, but we intentionally won\'t read from\n # the wakeup fd.\n def handler(signum, frame):\n pass\n\n signal.signal(signum, handler)\n\n read, write = socket.socketpair()\n read.setblocking(False)\n write.setblocking(False)\n\n # Fill the send buffer\n try:\n while True:\n write.send(b"x")\n except BlockingIOError:\n pass\n\n # By default, we get a warning when a signal arrives\n signal.set_wakeup_fd(write.fileno())\n\n with captured_stderr() as err:\n _testcapi.raise_signal(signum)\n \n err = err.getvalue()\n if (\'Exception ignored when trying to send to the signal wakeup fd\'\n not in err):\n raise AssertionError(err)\n\n # And also if warn_on_full_buffer=True\n signal.set_wakeup_fd(write.fileno(), warn_on_full_buffer=True)\n\n with captured_stderr() as err:\n _testcapi.raise_signal(signum)\n\n err = err.getvalue()\n if (\'Exception ignored when trying to send to the signal wakeup fd\'\n not in err):\n raise AssertionError(err)\n\n # But not if warn_on_full_buffer=False\n signal.set_wakeup_fd(write.fileno(), warn_on_full_buffer=False)\n\n with captured_stderr() as err:\n _testcapi.raise_signal(signum)\n\n err = err.getvalue()\n if err != "":\n raise AssertionError("got unexpected output %r" % (err,))\n\n # And then check the default again, to make sure warn_on_full_buffer\n # settings don \'t leak across calls.\n signal.set_wakeup_fd(write.fileno())\n\n with captured_stderr() as err:\n _testcapi.raise_signal(signum)\n\n err = err.getvalue()\n if (\'Exception ignored when trying to send to the signal wakeup fd\'\n not in err):\n raise AssertionError(err)\n\n '] stdout: --- --- stderr: --- Traceback (most recent call last): File "<string>", line 39, in <module> AssertionError --- ---------------------------------------------------------------------- The test passed when run again sequentially ("Re-running test 'test_signal' in verbose mode"). ---------- components: Tests messages: 321775 nosy: njs, pitrou, vstinner priority: normal severity: normal status: open title: test_signal: test_warn_on_full_buffer() failed on AppVeyor versions: Python 3.8 _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue34130> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
