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# Copyright DataStax, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import unittest
from cassandra.cqlengine.columns import Column
class ColumnTest(unittest.TestCase):
def test_comparisons(self):
c0 = Column()
c1 = Column()
self.assertEqual(c1.position - c0.position, 1)
# __ne__
self.assertNotEqual(c0, c1)
self.assertNotEqual(c0, object())
# __eq__
self.assertEqual(c0, c0)
self.assertFalse(c0 == object())
# __lt__
self.assertLess(c0, c1)
try:
c0 < object() # this raises for Python 3
except TypeError:
pass
# __le__
self.assertLessEqual(c0, c1)
self.assertLessEqual(c0, c0)
try:
c0 <= object() # this raises for Python 3
except TypeError:
pass
# __gt__
self.assertGreater(c1, c0)
try:
c1 > object() # this raises for Python 3
except TypeError:
pass
# __ge__
self.assertGreaterEqual(c1, c0)
self.assertGreaterEqual(c1, c1)
try:
c1 >= object() # this raises for Python 3
except TypeError:
pass
def test_hash(self):
c0 = Column()
self.assertEqual(id(c0), c0.__hash__())
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