def test_copy_data_from(self):
try:
tmpdir = tempfile.mkdtemp()
# create new database
with testing.cassandra.Cassandra(base_dir=tmpdir) as cassandra:
conn = pycassa.system_manager.SystemManager(cassandra.server_list()[0])
conn.create_column_family('test', 'hello')
conn.close()
conn = pycassa.pool.ConnectionPool('test', cassandra.server_list())
cf = pycassa.ColumnFamily(conn, 'hello')
cf.insert('score', {'scott': '1', 'tiger': '2'})
# flushing MemTable (commit log) to SSTable
with testing.cassandra.Cassandra(base_dir=tmpdir) as cassandra:
pass
# create another database from first one
data_dir = os.path.join(tmpdir, 'data')
with testing.cassandra.Cassandra(copy_data_from=data_dir) as cassandra:
conn = pycassa.pool.ConnectionPool('test', cassandra.server_list())
values = pycassa.ColumnFamily(conn, 'hello').get('score')
self.assertEqual({'scott': '1', 'tiger': '2'}, values)
finally:
rmtree(tmpdir)
def test_with_cassandra(self):
with testing.cassandra.Cassandra() as cassandra:
self.assertIsNotNone(cassandra)
# connect to cassandra
conn = pycassa.pool.ConnectionPool('test', cassandra.server_list())
self.assertIsNotNone(conn)
self.assertTrue(cassandra.is_alive())
self.assertFalse(cassandra.is_alive())
def test_basic(self):
# start cassandra server
cassandra = testing.cassandra.Cassandra()
self.assertIsNotNone(cassandra)
self.assertEqual(cassandra.server_list(),
['127.0.0.1:%d' % cassandra.cassandra_yaml['rpc_port']])
# connect to cassandra
conn = pycassa.pool.ConnectionPool('test', cassandra.server_list())
self.assertIsNotNone(conn)
# shutting down
pid = cassandra.server_pid
self.assertTrue(cassandra.is_alive())
cassandra.stop()
sleep(1)
self.assertFalse(cassandra.is_alive())
with self.assertRaises(OSError):
os.kill(pid, 0) # process is down