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# SPDX-FileCopyrightText: Florian Bruhin (The Compiler) <mail@qutebrowser.org>
#
# SPDX-License-Identifier: GPL-3.0-or-later
"""Logging handling for the tests."""
import logging
import pytest
class LogFailHandler(logging.Handler):
"""A logging handler which makes tests fail on unexpected messages."""
def __init__(self, level=logging.NOTSET, min_level=logging.WARNING):
self._min_level = min_level
super().__init__(level)
def emit(self, record):
logger = logging.getLogger(record.name)
root_logger = logging.getLogger()
if logger.name == 'messagemock':
return
if record.levelno in (logger.level, root_logger.level):
# caplog.at_level(...) was used with the level of this message,
# i.e. it was expected.
return
if record.levelno < self._min_level:
return
pytest.fail("Got logging message on logger {} with level {}: "
"{}!".format(record.name, record.levelname,
record.getMessage()))
@pytest.fixture(scope='session', autouse=True)
def fail_on_logging():
handler = LogFailHandler()
logging.getLogger().addHandler(handler)
yield
logging.getLogger().removeHandler(handler)
handler.close()
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