93 lines
3.7 KiB
Python
93 lines
3.7 KiB
Python
# Copyright (c) 2018, Red Hat, 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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from unittest import mock
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from cinder import objects as ovos
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import cinderlib
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from cinderlib import objects
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from cinderlib.tests.unit.persistence import base
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class TestMemoryPersistence(base.BasePersistenceTest):
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PERSISTENCE_CFG = {'storage': 'memory'}
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def tearDown(self):
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# Since this plugin uses class attributes we have to clear them
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self.persistence.volumes.clear()
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self.persistence.snapshots.clear()
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self.persistence.connections.clear()
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self.persistence.key_values.clear()
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super(TestMemoryPersistence, self).tearDown()
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def test_db(self):
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self.assertIsInstance(self.persistence.db,
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cinderlib.persistence.base.DB)
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self.assertEqual(self.persistence.db._DB__connections_get,
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ovos.VolumeAttachmentList.get_all_by_volume_id)
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def test___connections_get(self):
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"""Check we can get volume_attachment from OVO."""
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vol = objects.Volume(self.backend, size=10)
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vol._connections = None
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delattr(vol._ovo, '_obj_volume_attachment')
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conns = [objects.Connection(self.backend, connector={'k': 'v'},
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volume_id=vol.id, status='attached',
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attach_mode='rw',
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connection_info={'conn': {}})]
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with mock.patch.object(self.persistence, 'get_connections') \
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as get_conns_mock:
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get_conns_mock.return_value = conns
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res = vol._ovo.volume_attachment
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self.assertIsInstance(res, ovos.VolumeAttachmentList)
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self.assertEqual(1, len(res))
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self.assertEqual(conns[0]._ovo, res.objects[0])
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get_conns_mock.assert_called_once_with(volume_id=vol.id)
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def test_set_volume(self):
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vol = cinderlib.Volume(self.backend, size=1, name='disk')
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self.assertDictEqual({}, self.persistence.volumes)
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self.persistence.set_volume(vol)
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self.assertDictEqual({vol.id: vol}, self.persistence.volumes)
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def test_set_snapshot(self):
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vol = cinderlib.Volume(self.backend, size=1, name='disk')
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snap = cinderlib.Snapshot(vol, name='disk')
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self.assertDictEqual({}, self.persistence.snapshots)
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self.persistence.set_snapshot(snap)
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self.assertDictEqual({snap.id: snap}, self.persistence.snapshots)
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def test_set_connection(self):
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vol = cinderlib.Volume(self.backend, size=1, name='disk')
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conn = cinderlib.Connection(self.backend, volume=vol, connector={},
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connection_info={'conn': {'data': {}}})
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self.assertDictEqual({}, self.persistence.connections)
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self.persistence.set_connection(conn)
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self.assertDictEqual({conn.id: conn}, self.persistence.connections)
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def test_set_key_values(self):
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self.assertDictEqual({}, self.persistence.key_values)
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expected = [cinderlib.KeyValue('key', 'value')]
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self.persistence.set_key_value(expected[0])
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self.assertIn('key', self.persistence.key_values)
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self.assertEqual(expected, list(self.persistence.key_values.values()))
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