oslo.db/tests/unit/db/sqlalchemy/test_models.py

133 lines
3.9 KiB
Python

# Copyright 2012 Cloudscaling Group, 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.
from oslotest import base as oslo_test
from sqlalchemy import Column
from sqlalchemy import Integer, String
from sqlalchemy.ext.declarative import declarative_base
from openstack.common.db.sqlalchemy import models
from openstack.common.db.sqlalchemy import test_base
BASE = declarative_base()
class ModelBaseTest(test_base.DbTestCase):
def test_modelbase_has_dict_methods(self):
dict_methods = ('__getitem__',
'__setitem__',
'__iter__',
'get',
'next',
'update',
'save',
'iteritems')
for method in dict_methods:
self.assertTrue(hasattr(models.ModelBase, method))
def test_modelbase_set(self):
mb = models.ModelBase()
mb['world'] = 'hello'
self.assertEqual(mb['world'], 'hello')
def test_modelbase_update(self):
mb = models.ModelBase()
h = {'a': '1', 'b': '2'}
mb.update(h)
for key in h.keys():
self.assertEqual(mb[key], h[key])
def test_modelbase_iteritems(self):
self.skipTest("Requires DB")
mb = models.ModelBase()
h = {'a': '1', 'b': '2'}
mb.update(h)
for key, value in mb.iteritems():
self.assertEqual(h[key], value)
def test_modelbase_iter(self):
self.skipTest("Requires DB")
mb = models.ModelBase()
h = {'a': '1', 'b': '2'}
mb.update(h)
i = iter(mb)
min_items = len(h)
found_items = 0
while True:
r = next(i, None)
if r is None:
break
self.assertTrue(r in h)
found_items += 1
self.assertEqual(min_items, found_items)
def test_extra_keys_empty(self):
"""Test verifies that by default extra_keys return empty list."""
mb = models.ModelBase()
self.assertEqual(mb._extra_keys, [])
def test_extra_keys_defined(self):
"""Property _extra_keys will return list with attributes names."""
ekm = ExtraKeysModel()
self.assertEqual(ekm._extra_keys, ['name'])
def test_model_with_extra_keys(self):
item = ExtraKeysModel()
data = dict(item)
self.assertEqual(data, {'smth': None,
'id': None,
'name': 'NAME'})
class ExtraKeysModel(BASE, models.ModelBase):
__tablename__ = 'test_model'
id = Column(Integer, primary_key=True)
smth = Column(String(255))
@property
def name(self):
return 'NAME'
@property
def _extra_keys(self):
return ['name']
class TimestampMixinTest(oslo_test.BaseTestCase):
def test_timestampmixin_attr(self):
class TestModel(models.ModelBase, models.TimestampMixin):
pass
dict_methods = ('__getitem__',
'__setitem__',
'__iter__',
'get',
'next',
'update',
'save',
'iteritems',
'created_at',
'updated_at')
for method in dict_methods:
self.assertTrue(hasattr(TestModel, method))