Source code for glare.tests.unit.glare_fixtures

# Copyright (c) 2016 Mirantis, Inc.
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# not use this file except in compliance with the License. You may obtain
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# http://www.apache.org/licenses/LICENSE-2.0
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# Unless required by applicable law or agreed to in writing, software
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import fixtures

from glare.common import exception


[docs]class BannedDBSchemaOperations(fixtures.Fixture): """Ban some operations for migrations""" def __init__(self, banned_resources=None): super(BannedDBSchemaOperations, self).__init__() self._banned_resources = banned_resources or [] @staticmethod def _explode(resource, op): raise exception.DBNotAllowed( 'Operation %s.%s() is not allowed in a database migration' % ( resource, op))
[docs] def setUp(self): super(BannedDBSchemaOperations, self).setUp() for thing in self._banned_resources: self.useFixture(fixtures.MonkeyPatch( 'sqlalchemy.%s.drop' % thing, lambda *a, **k: self._explode(thing, 'drop'))) self.useFixture(fixtures.MonkeyPatch( 'sqlalchemy.%s.alter' % thing, lambda *a, **k: self._explode(thing, 'alter')))