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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
#
#
#
from cassandra import InvalidRequest
import unittest
from cassandra.protocol import ConfigurationException
from tests.integration import use_singledc, PROTOCOL_VERSION, TestCluster, greaterthanorequalcass40, notdse
from tests.integration.datatype_utils import update_datatypes
def setup_module():
use_singledc()
update_datatypes()
class ControlConnectionTests(unittest.TestCase):
def setUp(self):
if PROTOCOL_VERSION < 3:
raise unittest.SkipTest(
"Native protocol 3,0+ is required for UDTs using %r"
% (PROTOCOL_VERSION,))
self.cluster = TestCluster()
def tearDown(self):
try:
self.session.execute("DROP KEYSPACE keyspacetodrop ")
except (ConfigurationException, InvalidRequest):
# we already removed the keyspace.
pass
self.cluster.shutdown()
def test_drop_keyspace(self):
"""
Test to validate that dropping a keyspace with user defined types doesn't kill the control connection.
Creates a keyspace, and populates with a user defined type. It then records the control_connection's id. It
will then drop the keyspace and get the id of the control_connection again. They should be the same. If they are
not dropping the keyspace likely caused the control connection to be rebuilt.
@since 2.7.0
@jira_ticket PYTHON-358
@expected_result the control connection is not killed
@test_category connection
"""
self.session = self.cluster.connect()
self.session.execute("""
CREATE KEYSPACE keyspacetodrop
WITH replication = { 'class' : 'SimpleStrategy', 'replication_factor': '1' }
""")
self.session.set_keyspace("keyspacetodrop")
self.session.execute("CREATE TYPE user (age int, name text)")
self.session.execute("CREATE TABLE mytable (a int PRIMARY KEY, b frozen<user>)")
cc_id_pre_drop = id(self.cluster.control_connection._connection)
self.session.execute("DROP KEYSPACE keyspacetodrop")
cc_id_post_drop = id(self.cluster.control_connection._connection)
self.assertEqual(cc_id_post_drop, cc_id_pre_drop)
def test_get_control_connection_host(self):
"""
Test to validate Cluster.get_control_connection_host() metadata
@since 3.5.0
@jira_ticket PYTHON-583
@expected_result the control connection metadata should accurately reflect cluster state.
@test_category metadata
"""
host = self.cluster.get_control_connection_host()
self.assertEqual(host, None)
self.session = self.cluster.connect()
cc_host = self.cluster.control_connection._connection.host
host = self.cluster.get_control_connection_host()
self.assertEqual(host.address, cc_host)
self.assertEqual(host.is_up, True)
# reconnect and make sure that the new host is reflected correctly
self.cluster.control_connection._reconnect()
new_host = self.cluster.get_control_connection_host()
self.assertNotEqual(host, new_host)
@notdse
@greaterthanorequalcass40
def test_control_connection_port_discovery(self):
"""
Test to validate that the correct port is discovered when peersV2 is used (C* 4.0+).
Unit tests already validate that the port can be picked up (or not) from the query. This validates
it picks up the correct port from a real server and is able to connect.
"""
self.cluster = TestCluster()
host = self.cluster.get_control_connection_host()
self.assertEqual(host, None)
self.session = self.cluster.connect()
cc_endpoint = self.cluster.control_connection._connection.endpoint
host = self.cluster.get_control_connection_host()
self.assertEqual(host.endpoint, cc_endpoint)
self.assertEqual(host.is_up, True)
hosts = self.cluster.metadata.all_hosts()
self.assertEqual(3, len(hosts))
for host in hosts:
self.assertEqual(9042, host.broadcast_rpc_port)
self.assertEqual(7000, host.broadcast_port)
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