Test suite extension

Author: 0--key

tests/test_lazy.py

@@ -13,8 +13,15 @@ def test_innate_properties(self):
         self.assertDictEqual({'name': 'John', 'occupation': 'Coder'},
                              self.John.__dict__)
 
+    def test_relatives_not_in_properties(self):
+        self.assertNotIn('relatives', self.John.__dict__)
+
     def test_extended_properties(self):
         print("Jhon's relatives: {0}".format(self.John.relatives))
         self.assertDictEqual({'name': 'John', 'occupation': 'Coder',
                               'relatives': 'Many relatives.'},
                              self.John.__dict__)
+
+    def test_relatives_after_access(self):
+        print("Jhon's relatives: {0}".format(self.John.relatives))
+        self.assertIn('relatives', self.John.__dict__)