Added test that makes sure that fields with

dictionaries as data are returned as expected and
not turned into string representations

rest_framework/tests/models.py

@@ -122,6 +122,13 @@ class Person(RESTFrameworkModel):
     name = models.CharField(max_length=10)
     age = models.IntegerField(null=True, blank=True)
 
+    @property
+    def info(self):
+        return {
+            'name': self.name,
+            'age': self.age,
+        }
+
 
 # Model for issue #324
 class BlankFieldModel(RESTFrameworkModel):

rest_framework/tests/serializer.py

@@ -46,8 +46,11 @@ class ActionItemSerializer(serializers.ModelSerializer):
 
 
 class PersonSerializer(serializers.ModelSerializer):
+    info = serializers.Field(source='info')
+
     class Meta:
         model = Person
+        fields = ('name', 'age', 'info')
 
 
 class BasicTests(TestCase):
@@ -69,6 +72,9 @@ class BasicTests(TestCase):
             'created': datetime.datetime(2012, 1, 1),
             'sub_comment': 'And Merry Christmas!'
         }
+        self.person_data = {'name': 'dwight', 'age': 35}
+        self.person = Person(**self.person_data)
+        self.person.save()
 
     def test_empty(self):
         serializer = CommentSerializer()
@@ -100,6 +106,13 @@ class BasicTests(TestCase):
         self.assertTrue(serializer.object is expected)
         self.assertEquals(serializer.data['sub_comment'], 'And Merry Christmas!')
 
+    def test_field_with_dictionary(self):
+        """ Make sure that dictionaries from fields are left intact
+        """
+        serializer = PersonSerializer(instance=self.person)
+        expected = self.person_data
+        self.assertEquals(serializer.data['info'], expected)
+
 
 class ValidationTests(TestCase):
     def setUp(self):