1 files changed, 36 insertions, 3 deletions
diff --git a/rest_framework/tests/test_genericrelations.py b/rest_framework/tests/test_genericrelations.py
index c38bfb9f..fa09c9e6 100644
--- a/rest_framework/tests/test_genericrelations.py
+++ b/rest_framework/tests/test_genericrelations.py
@@ -4,8 +4,10 @@ from django.contrib.contenttypes.generic import GenericRelation, GenericForeignK
 from django.db import models
 from django.test import TestCase
 from rest_framework import serializers
+from rest_framework.compat import python_2_unicode_compatible
 
 
+@python_2_unicode_compatible
 class Tag(models.Model):
     """
     Tags have a descriptive slug, and are attached to an arbitrary object.
@@ -15,10 +17,11 @@ class Tag(models.Model):
     object_id = models.PositiveIntegerField()
     tagged_item = GenericForeignKey('content_type', 'object_id')
 
-    def __unicode__(self):
+    def __str__(self):
         return self.tag
 
 
+@python_2_unicode_compatible
 class Bookmark(models.Model):
     """
     A URL bookmark that may have multiple tags attached.
@@ -26,10 +29,11 @@ class Bookmark(models.Model):
     url = models.URLField()
     tags = GenericRelation(Tag)
 
-    def __unicode__(self):
+    def __str__(self):
         return 'Bookmark: %s' % self.url
 
 
+@python_2_unicode_compatible
 class Note(models.Model):
     """
     A textual note that may have multiple tags attached.
@@ -37,7 +41,7 @@ class Note(models.Model):
     text = models.TextField()
     tags = GenericRelation(Tag)
 
-    def __unicode__(self):
+    def __str__(self):
         return 'Note: %s' % self.text
 
 
@@ -69,6 +73,35 @@ class TestGenericRelations(TestCase):
         }
         self.assertEqual(serializer.data, expected)
 
+    def test_generic_nested_relation(self):
+        """
+        Test saving a GenericRelation field via a nested serializer.
+        """
+
+        class TagSerializer(serializers.ModelSerializer):
+            class Meta:
+                model = Tag
+                exclude = ('content_type', 'object_id')
+
+        class BookmarkSerializer(serializers.ModelSerializer):
+            tags = TagSerializer()
+
+            class Meta:
+                model = Bookmark
+                exclude = ('id',)
+
+        data = {
+            'url': 'https://docs.djangoproject.com/',
+            'tags': [
+                {'tag': 'contenttypes'},
+                {'tag': 'genericrelations'},
+            ]
+        }
+        serializer = BookmarkSerializer(data=data)
+        self.assertTrue(serializer.is_valid())
+        serializer.save()
+        self.assertEqual(serializer.object.tags.count(), 2)
+
     def test_generic_fk(self):
         """
         Test a relationship that spans a GenericForeignKey field.