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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
import unittest
from tests.integration import requiredse, CASSANDRA_VERSION, DSE_VERSION, SIMULACRON_JAR, PROTOCOL_VERSION
from tests.integration.simulacron.utils import (
clear_queries,
start_and_prime_singledc,
stop_simulacron,
start_and_prime_cluster_defaults,
)
from cassandra.cluster import Cluster
from packaging.version import Version
PROTOCOL_VERSION = min(4, PROTOCOL_VERSION if (DSE_VERSION is None or DSE_VERSION >= Version('5.0')) else 3)
def teardown_package():
stop_simulacron()
class SimulacronBase(unittest.TestCase):
def tearDown(self):
clear_queries()
stop_simulacron()
class SimulacronCluster(SimulacronBase):
cluster, connect = None, True
@classmethod
def setUpClass(cls):
if SIMULACRON_JAR is None or CASSANDRA_VERSION < Version("2.1"):
return
start_and_prime_singledc()
if cls.connect:
cls.cluster = Cluster(protocol_version=PROTOCOL_VERSION, compression=False)
cls.session = cls.cluster.connect(wait_for_all_pools=True)
@classmethod
def tearDownClass(cls):
if SIMULACRON_JAR is None or CASSANDRA_VERSION < Version("2.1"):
return
if cls.cluster:
cls.cluster.shutdown()
stop_simulacron()
@requiredse
class DseSimulacronCluster(SimulacronBase):
simulacron_cluster = None
cluster, connect = None, True
nodes_per_dc = 1
@classmethod
def setUpClass(cls):
if DSE_VERSION is None and SIMULACRON_JAR is None or CASSANDRA_VERSION < Version("2.1"):
return
cls.simulacron_cluster = start_and_prime_cluster_defaults(dse_version=DSE_VERSION,
nodes_per_dc=cls.nodes_per_dc)
if cls.connect:
cls.cluster = Cluster(protocol_version=PROTOCOL_VERSION, compression=False)
cls.session = cls.cluster.connect(wait_for_all_pools=True)
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