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test_static_column.py
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test_static_column.py
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# Copyright 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.
try:
import unittest2 as unittest
except ImportError:
import unittest # noqa
from uuid import uuid4
from cassandra.cqlengine import columns
from cassandra.cqlengine.management import sync_table, drop_table
from cassandra.cqlengine.models import Model
from tests.integration.cqlengine.base import BaseCassEngTestCase
from tests.integration import PROTOCOL_VERSION
# TODO: is this really a protocol limitation, or is it just C* version?
# good enough proxy for now
STATIC_SUPPORTED = PROTOCOL_VERSION >= 2
class TestStaticModel(Model):
partition = columns.UUID(primary_key=True, default=uuid4)
cluster = columns.UUID(primary_key=True, default=uuid4)
static = columns.Text(static=True)
text = columns.Text()
class TestStaticColumn(BaseCassEngTestCase):
def setUp(cls):
if not STATIC_SUPPORTED:
raise unittest.SkipTest("only runs against the cql3 protocol v2.0")
super(TestStaticColumn, cls).setUp()
@classmethod
def setUpClass(cls):
drop_table(TestStaticModel)
if STATIC_SUPPORTED: # setup and teardown run regardless of skip
sync_table(TestStaticModel)
@classmethod
def tearDownClass(cls):
drop_table(TestStaticModel)
def test_mixed_updates(self):
""" Tests that updates on both static and non-static columns work as intended """
instance = TestStaticModel.create()
instance.static = "it's shared"
instance.text = "some text"
instance.save()
u = TestStaticModel.get(partition=instance.partition)
u.static = "it's still shared"
u.text = "another text"
u.update()
actual = TestStaticModel.get(partition=u.partition)
assert actual.static == "it's still shared"
def test_static_only_updates(self):
""" Tests that updates on static only column work as intended """
instance = TestStaticModel.create()
instance.static = "it's shared"
instance.text = "some text"
instance.save()
u = TestStaticModel.get(partition=instance.partition)
u.static = "it's still shared"
u.update()
actual = TestStaticModel.get(partition=u.partition)
assert actual.static == "it's still shared"
def test_static_with_null_cluster_key(self):
""" Tests that save/update/delete works for static column works when clustering key is null"""
instance = TestStaticModel.create(cluster=None, static = "it's shared")
instance.save()
u = TestStaticModel.get(partition=instance.partition)
u.static = "it's still shared"
u.update()
actual = TestStaticModel.get(partition=u.partition)
assert actual.static == "it's still shared"

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