78 lines
2.7 KiB
Python
78 lines
2.7 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import warnings
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import fixtures
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from sqlalchemy import exc as sqla_exc
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class WarningsFixture(fixtures.Fixture):
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"""Filters out warnings during test runs."""
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def setUp(self):
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super().setUp()
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# Make deprecation warnings only happen once to avoid spamming
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warnings.simplefilter('once', DeprecationWarning)
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warnings.filterwarnings(
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'error', message='Evaluating non-mapped column expression',
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category=sqla_exc.SAWarning)
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# Enable deprecation warnings to capture upcoming SQLAlchemy changes
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warnings.filterwarnings(
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'error',
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category=sqla_exc.SADeprecationWarning)
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# ...but filter everything out until we get around to fixing them
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# FIXME(stephenfin): Remove all of these
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warnings.filterwarnings(
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'once',
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message=r'The Session.autocommit parameter is deprecated .*',
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category=sqla_exc.SADeprecationWarning)
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warnings.filterwarnings(
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'once',
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message=r'The Session.begin.subtransactions flag is deprecated .*',
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category=sqla_exc.SADeprecationWarning)
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warnings.filterwarnings(
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'once',
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message=r'The current statement is being autocommitted .*',
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category=sqla_exc.SADeprecationWarning)
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warnings.filterwarnings(
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'once',
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message=r'Calling \.begin\(\) when a transaction is already .*',
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category=sqla_exc.SADeprecationWarning)
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# ...plus things that aren't our fault
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# FIXME(stephenfin): These are caused by sqlalchemy-migrate, not us,
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# and should be removed when we drop support for that library
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warnings.filterwarnings(
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'ignore',
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message=r'Passing a string to Connection.execute\(\) .*',
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module='migrate',
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category=sqla_exc.SADeprecationWarning)
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warnings.filterwarnings(
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'ignore',
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message=r'The Engine.execute\(\) method is considered legacy .*',
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module='migrate',
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category=sqla_exc.SADeprecationWarning)
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self.addCleanup(warnings.resetwarnings)
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