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import logging
import os
import sys
from threading import Thread
from time import sleep
import pytest
from tox.execute.local_sub_process import SIG_INTERRUPT
from tox.pytest import LogCaptureFixture
from tox.util.signal import DelayedSignal
@pytest.mark.skipif(sys.platform == "win32", reason="You need a conhost shell for keyboard interrupt")
def test_signal_delayed(caplog: LogCaptureFixture) -> None:
caplog.set_level(level=logging.DEBUG)
with pytest.raises(KeyboardInterrupt):
with DelayedSignal() as handler:
try:
os.kill(os.getpid(), SIG_INTERRUPT)
while True:
sleep(0.05)
if handler._signal is not None: # pragma: no branch
break
except KeyboardInterrupt: # pragma: no cover
assert False # pragma: no cover
assert caplog.messages == [
"Received 2, delaying it",
"Handling delayed 2",
]
def test_signal_no_op_background(caplog: LogCaptureFixture) -> None:
caplog.set_level(level=logging.DEBUG)
def _run() -> None:
with DelayedSignal():
pass
thread = Thread(target=_run)
thread.start()
thread.join()
assert caplog.messages == []
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