Add test_deepupdate

tests/test_utils.py

@@ -0,0 +1,32 @@
+from flask_rest_api.utils import deepupdate
+
+
+class TestUtils():
+
+    def test_deepupdate(self):
+        """Test deepupdate function
+
+        Taken from http://stackoverflow.com/questions/38987#8310229
+        """
+        pluto_original = {
+            'name': 'Pluto',
+            'details': {
+                'tail': True,
+                'color': 'orange'
+            }
+        }
+
+        pluto_update = {
+            'name': 'Pluutoo',
+            'details': {
+                'color': 'blue'
+            }
+        }
+
+        assert deepupdate(pluto_original, pluto_update) == {
+            'name': 'Pluutoo',
+            'details': {
+                'color': 'blue',
+                'tail': True
+            }
+        }