Add test for data migration version

Detect when the CURRENT_VERSION constant used by the database
migration code is out of sync with the version number of the
current release.

Change-Id: I9e8b5ee98c6c111aaf065cb310906d6442f5f79a
This commit is contained in:
Brian Rosmaita 2019-01-22 12:22:39 -05:00
parent 437ba3ee9b
commit 52accd6f82
1 changed files with 59 additions and 0 deletions

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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)