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# testing/warnings.py
# Copyright (C) 2005-2020 the SQLAlchemy authors and contributors
# <see AUTHORS file>
#
# This module is part of SQLAlchemy and is released under
# the MIT License: http://www.opensource.org/licenses/mit-license.php
from __future__ import absolute_import
import warnings
from . import assertions
from .. import exc as sa_exc
def setup_filters():
"""Set global warning behavior for the test suite."""
warnings.filterwarnings(
"ignore", category=sa_exc.SAPendingDeprecationWarning
)
warnings.filterwarnings("error", category=sa_exc.SADeprecationWarning)
warnings.filterwarnings("error", category=sa_exc.SAWarning)
# some selected deprecations...
warnings.filterwarnings("error", category=DeprecationWarning)
warnings.filterwarnings(
"ignore", category=DeprecationWarning, message=".*StopIteration"
)
warnings.filterwarnings(
"ignore", category=DeprecationWarning, message=".*inspect.get.*argspec"
)
# ignore 2.0 warnings unless we are explicitly testing for them
warnings.filterwarnings("ignore", category=sa_exc.RemovedIn20Warning)
try:
import pytest
except ImportError:
pass
else:
warnings.filterwarnings(
"once", category=pytest.PytestDeprecationWarning
)
def assert_warnings(fn, warning_msgs, regex=False):
"""Assert that each of the given warnings are emitted by fn.
Deprecated. Please use assertions.expect_warnings().
"""
with assertions._expect_warnings(
sa_exc.SAWarning, warning_msgs, regex=regex
):
return fn()
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