Files
deb-python-cassandra-driver/tests/integration/standard/test_factories.py
2014-03-27 14:35:06 -05:00

126 lines
3.5 KiB
Python

from tests.integration import PROTOCOL_VERSION
try:
import unittest2 as unittest
except ImportError:
import unittest # noqa
from cassandra.cluster import Cluster
from cassandra.query import tuple_factory, named_tuple_factory, dict_factory, ordered_dict_factory
from cassandra.util import OrderedDict
class TestFactories(unittest.TestCase):
"""
Test different row_factories and access code
"""
truncate = '''
TRUNCATE test3rf.test
'''
insert1 = '''
INSERT INTO test3rf.test
( k , v )
VALUES
( 1 , 1 )
'''
insert2 = '''
INSERT INTO test3rf.test
( k , v )
VALUES
( 2 , 2 )
'''
select = '''
SELECT * FROM test3rf.test
'''
def test_tuple_factory(self):
cluster = Cluster(protocol_version=PROTOCOL_VERSION)
session = cluster.connect()
session.row_factory = tuple_factory
session.execute(self.truncate)
session.execute(self.insert1)
session.execute(self.insert2)
result = session.execute(self.select)
self.assertIsInstance(result, list)
self.assertIsInstance(result[0], tuple)
for row in result:
self.assertEqual(row[0], row[1])
self.assertEqual(result[0][0], result[0][1])
self.assertEqual(result[0][0], 1)
self.assertEqual(result[1][0], result[1][1])
self.assertEqual(result[1][0], 2)
def test_named_tuple_factoryy(self):
cluster = Cluster(protocol_version=PROTOCOL_VERSION)
session = cluster.connect()
session.row_factory = named_tuple_factory
session.execute(self.truncate)
session.execute(self.insert1)
session.execute(self.insert2)
result = session.execute(self.select)
self.assertIsInstance(result, list)
for row in result:
self.assertEqual(row.k, row.v)
self.assertEqual(result[0].k, result[0].v)
self.assertEqual(result[0].k, 1)
self.assertEqual(result[1].k, result[1].v)
self.assertEqual(result[1].k, 2)
def test_dict_factory(self):
cluster = Cluster(protocol_version=PROTOCOL_VERSION)
session = cluster.connect()
session.row_factory = dict_factory
session.execute(self.truncate)
session.execute(self.insert1)
session.execute(self.insert2)
result = session.execute(self.select)
self.assertIsInstance(result, list)
self.assertIsInstance(result[0], dict)
for row in result:
self.assertEqual(row['k'], row['v'])
self.assertEqual(result[0]['k'], result[0]['v'])
self.assertEqual(result[0]['k'], 1)
self.assertEqual(result[1]['k'], result[1]['v'])
self.assertEqual(result[1]['k'], 2)
def test_ordered_dict_factory(self):
cluster = Cluster(protocol_version=PROTOCOL_VERSION)
session = cluster.connect()
session.row_factory = ordered_dict_factory
session.execute(self.truncate)
session.execute(self.insert1)
session.execute(self.insert2)
result = session.execute(self.select)
self.assertIsInstance(result, list)
self.assertIsInstance(result[0], OrderedDict)
for row in result:
self.assertEqual(row['k'], row['v'])
self.assertEqual(result[0]['k'], result[0]['v'])
self.assertEqual(result[0]['k'], 1)
self.assertEqual(result[1]['k'], result[1]['v'])
self.assertEqual(result[1]['k'], 2)