test cqlengine.Columns comparison

aholmberg · aholmberg · commit cfd3ddc9b84c · 2016-07-01T10:06:31.000-05:00
PYTHON-595
diff --git a/tests/unit/cqlengine/__init__.py b/tests/unit/cqlengine/__init__.py
@@ -0,0 +1,14 @@
+# Copyright 2013-2016 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.
+
diff --git a/tests/unit/cqlengine/test_columns.py b/tests/unit/cqlengine/test_columns.py
@@ -0,0 +1,68 @@
+# Copyright 2013-2016 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.
+
+try:
+    import unittest2 as unittest
+except ImportError:
+    import unittest  # noqa
+
+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
+
+
