class ControlConnectionTests(unittest.TestCase):
def setUp(self):
self.cluster = Cluster(protocol_version=PROTOCOL_VERSION)
def tearDown(self):
try:
self.session.execute("DROP KEYSPACE keyspacetodrop ")
except (ConfigurationException):
# 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)
