Files
deb-python-cassandra-driver/tests/integration/cqlengine/test_consistency.py
2015-02-10 12:03:42 -06:00

113 lines
3.8 KiB
Python

# Copyright 2015 DataStax, Inc.
#
# 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 mock
from uuid import uuid4
from cassandra import ConsistencyLevel as CL
from cassandra.cqlengine import columns
from cassandra.cqlengine.management import sync_table, drop_table
from cassandra.cqlengine.models import Model
from cassandra.cqlengine.query import BatchQuery
from tests.integration.cqlengine.base import BaseCassEngTestCase
class TestConsistencyModel(Model):
id = columns.UUID(primary_key=True, default=lambda:uuid4())
count = columns.Integer()
text = columns.Text(required=False)
class BaseConsistencyTest(BaseCassEngTestCase):
@classmethod
def setUpClass(cls):
super(BaseConsistencyTest, cls).setUpClass()
sync_table(TestConsistencyModel)
@classmethod
def tearDownClass(cls):
super(BaseConsistencyTest, cls).tearDownClass()
drop_table(TestConsistencyModel)
class TestConsistency(BaseConsistencyTest):
def test_create_uses_consistency(self):
qs = TestConsistencyModel.consistency(CL.ALL)
with mock.patch.object(self.session, 'execute') as m:
qs.create(text="i am not fault tolerant this way")
args = m.call_args
self.assertEqual(CL.ALL, args[0][0].consistency_level)
def test_queryset_is_returned_on_create(self):
qs = TestConsistencyModel.consistency(CL.ALL)
self.assertTrue(isinstance(qs, TestConsistencyModel.__queryset__), type(qs))
def test_update_uses_consistency(self):
t = TestConsistencyModel.create(text="bacon and eggs")
t.text = "ham sandwich"
with mock.patch.object(self.session, 'execute') as m:
t.consistency(CL.ALL).save()
args = m.call_args
self.assertEqual(CL.ALL, args[0][0].consistency_level)
def test_batch_consistency(self):
with mock.patch.object(self.session, 'execute') as m:
with BatchQuery(consistency=CL.ALL) as b:
TestConsistencyModel.batch(b).create(text="monkey")
args = m.call_args
self.assertEqual(CL.ALL, args[0][0].consistency_level)
with mock.patch.object(self.session, 'execute') as m:
with BatchQuery() as b:
TestConsistencyModel.batch(b).create(text="monkey")
args = m.call_args
self.assertNotEqual(CL.ALL, args[0][0].consistency_level)
def test_blind_update(self):
t = TestConsistencyModel.create(text="bacon and eggs")
t.text = "ham sandwich"
uid = t.id
with mock.patch.object(self.session, 'execute') as m:
TestConsistencyModel.objects(id=uid).consistency(CL.ALL).update(text="grilled cheese")
args = m.call_args
self.assertEqual(CL.ALL, args[0][0].consistency_level)
def test_delete(self):
# ensures we always carry consistency through on delete statements
t = TestConsistencyModel.create(text="bacon and eggs")
t.text = "ham and cheese sandwich"
uid = t.id
with mock.patch.object(self.session, 'execute') as m:
t.consistency(CL.ALL).delete()
with mock.patch.object(self.session, 'execute') as m:
TestConsistencyModel.objects(id=uid).consistency(CL.ALL).delete()
args = m.call_args
self.assertEqual(CL.ALL, args[0][0].consistency_level)