tests/unit/cqlengine/test_udt.py

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import unittest

from cassandra.cqlengine import columns
from cassandra.cqlengine.models import Model
from cassandra.cqlengine.usertype import UserType


class UDTTest(unittest.TestCase):

    def test_initialization_without_existing_connection(self):
        """
        Test that users can define models with UDTs without initializing
        connections.

        Written to reproduce PYTHON-649.
        """

        class Value(UserType):
            t = columns.Text()

        class DummyUDT(Model):
            __keyspace__ = 'ks'
            primary_key = columns.Integer(primary_key=True)
            value = columns.UserDefinedType(Value)