47 lines
1.8 KiB
Python
47 lines
1.8 KiB
Python
# Copyright 2020 Red Hat, Inc.
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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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"""Tests for code that makes assumptions about ORM relationships."""
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from sqlalchemy_utils import functions as saf
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from cinder.db.sqlalchemy import api as db_api
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from cinder.db.sqlalchemy import models
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from cinder import test
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class VolumeRelationshipsTestCase(test.TestCase):
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"""Test cases for Volume ORM model relationshps."""
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def test_volume_dependent_models_list(self):
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"""Make sure the volume dependent tables list is accurate."""
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# Addresses LP Bug #1542169
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volume_declarative_base = saf.get_declarative_base(models.Volume)
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volume_fks = saf.get_referencing_foreign_keys(models.Volume)
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dependent_tables = []
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for table, fks in saf.group_foreign_keys(volume_fks):
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dependent_tables.append(table)
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found_dependent_models = []
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for table in dependent_tables:
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found_dependent_models.append(saf.get_class_by_table(
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volume_declarative_base, table))
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self.assertEqual(len(found_dependent_models),
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len(db_api.VOLUME_DEPENDENT_MODELS))
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for model in found_dependent_models:
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self.assertIn(model, db_api.VOLUME_DEPENDENT_MODELS)
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