Use setattr for adding fields to a new instance

Add test for restoring a GenericForeignKey

1 files changed, 18 insertions, 0 deletions

diff --git a/rest_framework/tests/test_genericrelations.py b/rest_framework/tests/test_genericrelations.py
index fa09c9e6..46a2d863 100644
--- a/rest_framework/tests/test_genericrelations.py
+++ b/rest_framework/tests/test_genericrelations.py
@@ -131,3 +131,21 @@ class TestGenericRelations(TestCase):
         }
         ]
         self.assertEqual(serializer.data, expected)
+
+    def test_restore_object_generic_fk(self):
+        """
+        Ensure an object with a generic foreign key can be restored.
+        """
+
+        class TagSerializer(serializers.ModelSerializer):
+            class Meta:
+                model = Tag
+                exclude = ('content_type', 'object_id')
+
+        serializer = TagSerializer()
+
+        bookmark = Bookmark(url='http://example.com')
+        attrs = {'tagged_item': bookmark, 'tag': 'example'}
+
+        tag = serializer.restore_object(attrs)
+        self.assertEqual(tag.tagged_item, bookmark)