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