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# testing/warnings.py
# Copyright (C) 2005-2025 the SQLAlchemy authors and contributors
# <see AUTHORS file>
#
# This module is part of SQLAlchemy and is released under
# the MIT License: https://www.opensource.org/licenses/mit-license.php
# mypy: ignore-errors
from __future__ import annotations
import warnings
from . import assertions
from .. import exc
from .. import exc as sa_exc
from ..exc import SATestSuiteWarning
from ..util.langhelpers import _warnings_warn
def warn_test_suite(message):
_warnings_warn(message, category=SATestSuiteWarning)
def setup_filters():
"""hook for setting up warnings filters.
SQLAlchemy-specific classes must only be here and not in pytest config,
as we need to delay importing SQLAlchemy until conftest.py has been
processed.
NOTE: filters on subclasses of DeprecationWarning or
PendingDeprecationWarning have no effect if added here, since pytest
will add at each test the following filters
``always::PendingDeprecationWarning`` and ``always::DeprecationWarning``
that will take precedence over any added here.
"""
warnings.filterwarnings("error", category=exc.SAWarning)
warnings.filterwarnings("always", category=exc.SATestSuiteWarning)
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()