581b854a84
This patch adds 'unique_keys' to NeutronDbObject and allows get_object to lookup objects by unique keys in addition to primary keys. Change-Id: I31f5603c116892390d1f8025d3c1893355ad0bac Partially-Implements: blueprint adopt-oslo-versioned-objects-for-db
51 lines
1.8 KiB
Python
51 lines
1.8 KiB
Python
# Copyright (c) 2016 Mirantis, Inc.
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# All Rights Reserved.
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#
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# 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 mock
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import sqlalchemy as sa
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from neutron.db import model_base
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from neutron.tests import base as test_base
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class GetUniqueKeysTestCase(test_base.BaseTestCase):
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def test_with_unique_constraints(self):
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model = mock.Mock()
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metadata = sa.MetaData()
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model.__table__ = sa.Table(
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"test_table", metadata,
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sa.Column("a", sa.Integer, unique=True),
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sa.Column("b", sa.Integer),
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sa.Column("c", sa.Integer),
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sa.Column("d", sa.Integer),
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sa.UniqueConstraint("c", "d"))
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expected = {("a",), ("c", "d")}
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observed = {tuple(sorted(key)) for key in
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model_base.get_unique_keys(model)}
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self.assertEqual(expected, observed)
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def test_without_unique_constraints(self):
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model = mock.Mock()
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metadata = sa.MetaData()
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model.__table__ = sa.Table(
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"test_table", metadata,
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sa.Column("a", sa.Integer),
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sa.Column("b", sa.Integer))
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self.assertEqual([], model_base.get_unique_keys(model))
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def test_not_a_model(self):
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self.assertEqual([], model_base.get_unique_keys(None))
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