adding protocol version as option in tests. need to get 1.2 working properly

cqlengine/tests/base.py

@@ -9,7 +9,9 @@ if os.environ.get('CASSANDRA_TEST_HOST'):
 else:
     CASSANDRA_TEST_HOST = 'localhost'
 
-connection.setup([CASSANDRA_TEST_HOST], default_keyspace='cqlengine_test')
+protocol_version = int(os.environ.get("CASSANDRA_PROTOCOL_VERSION", 2))
+
+connection.setup([CASSANDRA_TEST_HOST], protocol_version=protocol_version, default_keyspace='cqlengine_test')
 
 class BaseCassEngTestCase(TestCase):
 

docs/index.rst

@@ -56,6 +56,9 @@ Getting Started
         # the list of hosts will be passed to create a Cluster() instance
         >>> connection.setup(['127.0.0.1'])
 
+        # if you're connecting to a 1.2 cluster
+        >>> connection.setup(['127.0.0.1'], protocol_version=1)
+
         #...and create your CQL table
         >>> from cqlengine.management import sync_table
         >>> sync_table(ExampleModel)