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83 lines
2.2 KiB
Python
83 lines
2.2 KiB
Python
2 months ago
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# testing/warnings.py
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# Copyright (C) 2005-2022 the SQLAlchemy authors and contributors
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# <see AUTHORS file>
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#
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# This module is part of SQLAlchemy and is released under
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# the MIT License: https://www.opensource.org/licenses/mit-license.php
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from __future__ import absolute_import
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import warnings
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from . import assertions
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from .. import exc as sa_exc
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from ..util.langhelpers import _warnings_warn
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class SATestSuiteWarning(Warning):
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"""warning for a condition detected during tests that is non-fatal
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Currently outside of SAWarning so that we can work around tools like
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Alembic doing the wrong thing with warnings.
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"""
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def warn_test_suite(message):
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_warnings_warn(message, category=SATestSuiteWarning)
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def setup_filters():
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"""Set global warning behavior for the test suite."""
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# TODO: at this point we can use the normal pytest warnings plugin,
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# if we decide the test suite can be linked to pytest only
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origin = r"^(?:test|sqlalchemy)\..*"
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warnings.filterwarnings(
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"ignore", category=sa_exc.SAPendingDeprecationWarning
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)
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warnings.filterwarnings("error", category=sa_exc.SADeprecationWarning)
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warnings.filterwarnings("error", category=sa_exc.SAWarning)
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warnings.filterwarnings("always", category=SATestSuiteWarning)
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warnings.filterwarnings(
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"error", category=DeprecationWarning, module=origin
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)
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# ignore things that are deprecated *as of* 2.0 :)
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warnings.filterwarnings(
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"ignore",
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category=sa_exc.SADeprecationWarning,
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message=r".*\(deprecated since: 2.0\)$",
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)
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warnings.filterwarnings(
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"ignore",
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category=sa_exc.SADeprecationWarning,
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message=r"^The (Sybase|firebird) dialect is deprecated and will be",
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)
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try:
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import pytest
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except ImportError:
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pass
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else:
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warnings.filterwarnings(
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"once", category=pytest.PytestDeprecationWarning, module=origin
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)
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def assert_warnings(fn, warning_msgs, regex=False):
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"""Assert that each of the given warnings are emitted by fn.
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Deprecated. Please use assertions.expect_warnings().
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"""
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with assertions._expect_warnings(
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sa_exc.SAWarning, warning_msgs, regex=regex
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):
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return fn()
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