Files
deb-python-cassandra-driver/tests/integration/long/test_schema.py
2015-06-12 16:16:19 -07:00

118 lines
4.3 KiB
Python

# Copyright 2013-2015 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 logging
from cassandra import ConsistencyLevel, AlreadyExists
from cassandra.cluster import Cluster
from cassandra.query import SimpleStatement
from tests.integration import use_singledc, PROTOCOL_VERSION, execute_until_pass
try:
import unittest2 as unittest
except ImportError:
import unittest # noqa
log = logging.getLogger(__name__)
def setup_module():
use_singledc()
class SchemaTests(unittest.TestCase):
@classmethod
def setup_class(cls):
cls.cluster = Cluster(protocol_version=PROTOCOL_VERSION)
cls.session = cls.cluster.connect()
@classmethod
def teardown_class(cls):
cls.cluster.shutdown()
def test_recreates(self):
"""
Basic test for repeated schema creation and use, using many different keyspaces
"""
session = self.session
for i in range(2):
for keyspace_number in range(5):
keyspace = "ks_{0}".format(keyspace_number)
results = execute_until_pass(session, "SELECT keyspace_name FROM system.schema_keyspaces")
existing_keyspaces = [row[0] for row in results]
if keyspace in existing_keyspaces:
drop = "DROP KEYSPACE {0}".format(keyspace)
log.debug(drop)
execute_until_pass(session, drop)
create = "CREATE KEYSPACE {0} WITH replication = {{'class': 'SimpleStrategy', 'replication_factor': 3}}".format(keyspace)
log.debug(create)
execute_until_pass(session, create)
create = "CREATE TABLE {0}.cf (k int PRIMARY KEY, i int)".format(keyspace)
log.debug(create)
execute_until_pass(session, create)
use = "USE {0}".format(keyspace)
log.debug(use)
execute_until_pass(session, use)
insert = "INSERT INTO cf (k, i) VALUES (0, 0)"
log.debug(insert)
ss = SimpleStatement(insert, consistency_level=ConsistencyLevel.QUORUM)
execute_until_pass(session, ss)
def test_for_schema_disagreements_different_keyspaces(self):
"""
Tests for any schema disagreements using many different keyspaces
"""
session = self.session
for i in xrange(30):
execute_until_pass(session, "CREATE KEYSPACE test_{0} WITH replication = {{'class': 'SimpleStrategy', 'replication_factor': 1}}".format(i))
execute_until_pass(session, "CREATE TABLE test_{0}.cf (key int PRIMARY KEY, value int)".format(i))
for j in xrange(100):
execute_until_pass(session, "INSERT INTO test_{0}.cf (key, value) VALUES ({1}, {1})".format(i, j))
execute_until_pass(session, "DROP KEYSPACE test_{0}".format(i))
def test_for_schema_disagreements_same_keyspace(self):
"""
Tests for any schema disagreements using the same keyspace multiple times
"""
cluster = Cluster(protocol_version=PROTOCOL_VERSION)
session = cluster.connect()
for i in xrange(30):
try:
execute_until_pass(session, "CREATE KEYSPACE test WITH replication = {'class': 'SimpleStrategy', 'replication_factor': 1}")
except AlreadyExists:
execute_until_pass(session, "DROP KEYSPACE test")
execute_until_pass(session, "CREATE KEYSPACE test WITH replication = {'class': 'SimpleStrategy', 'replication_factor': 1}")
execute_until_pass(session, "CREATE TABLE test.cf (key int PRIMARY KEY, value int)")
for j in xrange(100):
execute_until_pass(session, "INSERT INTO test.cf (key, value) VALUES ({0}, {0})".format(j))
execute_until_pass(session, "DROP KEYSPACE test")