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# Copyright 2013 IBM Corp.
#
#    Licensed under the Apache License, Version 2.0 (the "License"); you may
#    not use this file except in compliance with the License. You may obtain
#    a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#    License for the specific language governing permissions and limitations
#    under the License.
"""Tests for volume name_id."""
from oslo.config import cfg
from cinder import context
from cinder import db
from cinder import test
from cinder.tests import utils as testutils
CONF = cfg.CONF
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class NameIDsTestCase(test.TestCase):
    """Test cases for naming volumes with name_id."""
    
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    def setUp(self):
        super(NameIDsTestCase, self).setUp()
        self.ctxt = context.RequestContext(user_id='user_id',
                                           project_id='project_id')
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    def tearDown(self):
        super(NameIDsTestCase, self).tearDown()
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    def test_name_id_same(self):
        """New volume should have same 'id' and 'name_id'."""
        vol_ref = testutils.create_volume(self.ctxt, size=1)
        self.assertEqual(vol_ref['name_id'], vol_ref['id'])
        expected_name = CONF.volume_name_template % vol_ref['id']
        self.assertEqual(vol_ref['name'], expected_name)
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    def test_name_id_diff(self):
        """Change name ID to mimic volume after migration."""
        vol_ref = testutils.create_volume(self.ctxt, size=1)
        db.volume_update(self.ctxt, vol_ref['id'], {'name_id': 'fake'})
        vol_ref = db.volume_get(self.ctxt, vol_ref['id'])
        expected_name = CONF.volume_name_template % 'fake'
        self.assertEqual(vol_ref['name'], expected_name)
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    def test_name_id_snapshot_volume_name(self):
        """Make sure snapshot['volume_name'] is updated."""
        vol_ref = testutils.create_volume(self.ctxt, size=1)
        db.volume_update(self.ctxt, vol_ref['id'], {'name_id': 'fake'})
        snap_ref = testutils.create_snapshot(self.ctxt, vol_ref['id'])
        expected_name = CONF.volume_name_template % 'fake'
        self.assertEqual(snap_ref['volume_name'], expected_name)