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Merge "Add test for data migration version"

tags/18.0.0.0rc1
Zuul 1 year ago
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commit
034a4837c4
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      glance/tests/unit/test_data_migration_version.py

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glance/tests/unit/test_data_migration_version.py View File

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# Copyright 2019 Red Hat, Inc.
# All Rights Reserved.
#
# 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.

import six
import testtools

from glance.db.migration import CURRENT_RELEASE
from glance.version import version_info


class TestDataMigrationVersion(testtools.TestCase):

def test_migration_version(self):
"""Make sure the data migration version info has been updated."""

release_number = int(version_info.version_string().split('.', 1)[0])

# by rule, release names must be composed of the 26 letters of the
# ISO Latin alphabet (ord('A')==65, ord('Z')==90)
release_letter = six.text_type(CURRENT_RELEASE[:1].upper()).encode(
'ascii')

# Convert release letter into an int in [1:26]. The first
# glance release was 'Bexar'.
converted_release_letter = (ord(release_letter) -
ord(u'B'.encode('ascii')) + 1)

# Project the release number into [1:26]
converted_release_number = release_number % 26

# Prepare for the worst with a super-informative message
msg = ('\n\n'
'EMERGENCY!\n'
'glance.db.migration.CURRENT_RELEASE is out of sync '
'with the glance version.\n'
' CURRENT_RELEASE: %s\n'
' glance version: %s\n'
'glance.db.migration.CURRENT_RELEASE needs to be '
'updated IMMEDIATELY.\n'
'The gate will be wedged until the update is made.\n'
'EMERGENCY!\n'
'\n') % (CURRENT_RELEASE,
version_info.version_string())

self.assertEqual(converted_release_letter,
converted_release_number,
msg)

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