OpenStack Block Storage (Cinder)
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# 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 ddt
import inspect
from itertools import chain
from oslo_config import cfg
from cinder import exception
from cinder.message import message_field
from cinder import test
CONF = cfg.CONF
@ddt.ddt
class MessageFieldTest(test.TestCase):
def test_unique_action_ids(self):
"""Assert that no action_id is duplicated."""
action_ids = [x[0] for x in message_field.Action.ALL]
self.assertEqual(len(action_ids), len(set(action_ids)))
def test_all_action_fields_in_ALL(self):
"""Assert that all and only defined fields are in the ALL tuple"""
defined_fields = [k for k in message_field.Action.__dict__.keys()
if k != 'ALL' and not k.startswith('__')]
for d in defined_fields:
self.assertIn(getattr(message_field.Action, d),
message_field.Action.ALL)
self.assertEqual(len(message_field.Action.ALL),
len(defined_fields))
def test_unique_detail_ids(self):
"""Assert that no detail_id is duplicated."""
detail_ids = [x[0] for x in message_field.Detail.ALL]
self.assertEqual(len(detail_ids), len(set(detail_ids)))
def test_all_detail_fields_in_ALL(self):
"""Assert that all and only defined fields are in the ALL tuple"""
defined_fields = [k for k in message_field.Detail.__dict__.keys()
if k != 'ALL' and not k.startswith('__')
and k != 'EXCEPTION_DETAIL_MAPPINGS']
for d in defined_fields:
self.assertIn(getattr(message_field.Detail, d),
message_field.Detail.ALL)
self.assertEqual(len(message_field.Detail.ALL),
len(defined_fields))
known_exceptions = [
name for name, _ in
inspect.getmembers(exception, inspect.isclass)]
mapped_exceptions = list(chain.from_iterable(
message_field.Detail.EXCEPTION_DETAIL_MAPPINGS.values()))
@ddt.idata(mapped_exceptions)
def test_exception_detail_map_no_unknown_exceptions(self, exc):
"""Assert that only known exceptions are in the map."""
self.assertIn(exc, self.known_exceptions)
@ddt.ddt
class MessageFieldFunctionsTest(test.TestCase):
@ddt.data({'id': '001', 'content': 'schedule allocate volume'},
{'id': '002', 'content': 'attach volume'},
{'id': 'invalid', 'content': None})
@ddt.unpack
def test_translate_action(self, id, content):
result = message_field.translate_action(id)
if content is None:
content = 'unknown action'
self.assertEqual(content, result)
@ddt.data({'id': '001',
'content': 'An unknown error occurred.'},
{'id': '002',
'content': 'Driver is not initialized at present.'},
{'id': 'invalid', 'content': None})
@ddt.unpack
def test_translate_detail(self, id, content):
result = message_field.translate_detail(id)
if content is None:
content = 'An unknown error occurred.'
self.assertEqual(content, result)
@ddt.data({'exception': exception.DriverNotInitialized(),
'detail': '',
'expected': '002'},
{'exception': exception.CinderException(),
'detail': '',
'expected': '001'},
{'exception': exception.CinderException(),
'detail': message_field.Detail.QUOTA_EXCEED,
'expected': '007'},
{'exception': '', 'detail': message_field.Detail.QUOTA_EXCEED,
'expected': '007'})
@ddt.unpack
def translate_detail_id(self, exception, detail, expected):
result = message_field.translate_detail_id(exception, detail)
self.assertEqual(expected, result)