Fix __eq__ and __ne__. (#3765)

Author: lukesneeringer

packages/google-cloud-monitoring/google/cloud/monitoring/label.py

@@ -87,10 +87,12 @@ def _to_dict(self):
         return info
 
     def __eq__(self, other):
+        if not isinstance(other, LabelDescriptor):
+            return NotImplemented
         return self.__dict__ == other.__dict__
 
     def __ne__(self, other):
-        return self.__dict__ != other.__dict__
+        return not self == other
 
     def __repr__(self):
         return (

packages/google-cloud-monitoring/tests/unit/test_label.py

@@ -14,6 +14,8 @@
 
 import unittest
 
+import mock
+
 
 class TestLabelValueType(unittest.TestCase):
 
@@ -108,9 +110,13 @@ def test_equality(self):
         KEY = 'response_code'
         VALUE_TYPE = 'INT64'
         DESCRIPTION = 'HTTP status code for the request.'
-        descriptor1 = self._make_one(key=KEY, value_type=VALUE_TYPE,
-                                     description=DESCRIPTION)
+        descriptor1a = self._make_one(key=KEY, value_type=VALUE_TYPE,
+                                      description=DESCRIPTION)
+        descriptor1b = self._make_one(key=KEY, value_type=VALUE_TYPE,
+                                      description=DESCRIPTION)
         descriptor2 = self._make_one(key=KEY, value_type=VALUE_TYPE,
-                                     description=DESCRIPTION)
-        self.assertTrue(descriptor1 == descriptor2)
-        self.assertFalse(descriptor1 != descriptor2)
+                                     description=DESCRIPTION + 'foo')
+        self.assertEqual(descriptor1a, descriptor1b)
+        self.assertNotEqual(descriptor1a, descriptor2)
+        self.assertNotEqual(descriptor1a, object())
+        self.assertEqual(descriptor1a, mock.ANY)