58 lines
1.6 KiB
Python
58 lines
1.6 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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self._original_warning_filters = warnings.filters[:]
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# Enable deprecation warnings
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warnings.simplefilter('once', DeprecationWarning)
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# Except for things we've deprecated but are still testing until
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# removal
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warnings.filterwarnings(
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'ignore',
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category=DeprecationWarning,
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module='oslo_db',
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)
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# Enable generic warnings to ensure we're not doing anything odd
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warnings.filterwarnings(
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'error',
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category=sqla_exc.SAWarning,
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)
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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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)
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self.addCleanup(self._reset_warning_filters)
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def _reset_warning_filters(self):
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warnings.filters[:] = self._original_warning_filters
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