Create separate *NullableOneToOneTests TestCase

1 files changed, 28 insertions, 1 deletions

diff --git a/rest_framework/tests/relations_pk.py b/rest_framework/tests/relations_pk.py
index af6da2c0..589b3646 100644
--- a/rest_framework/tests/relations_pk.py
+++ b/rest_framework/tests/relations_pk.py
@@ -1,7 +1,7 @@
 from django.db import models
 from django.test import TestCase
 from rest_framework import serializers
-from rest_framework.tests.models import ManyToManyTarget, ManyToManySource, ForeignKeyTarget, ForeignKeySource, NullableForeignKeySource
+from rest_framework.tests.models import ManyToManyTarget, ManyToManySource, ForeignKeyTarget, ForeignKeySource, NullableForeignKeySource, OneToOneTarget, NullableOneToOneSource
 
 
 class ManyToManyTargetSerializer(serializers.ModelSerializer):
@@ -33,6 +33,14 @@ class NullableForeignKeySourceSerializer(serializers.ModelSerializer):
         model = NullableForeignKeySource
 
 
+# OneToOne
+class NullableOneToOneTargetSerializer(serializers.ModelSerializer):
+    nullable_source = serializers.PrimaryKeyRelatedField()
+
+    class Meta:
+        model = OneToOneTarget
+
+
 # TODO: Add test that .data cannot be accessed prior to .is_valid
 
 class PKManyToManyTests(TestCase):
@@ -383,3 +391,22 @@ class PKNullableForeignKeyTests(TestCase):
     #         {'id': 2, 'name': u'target-2', 'sources': []},
     #     ]
     #     self.assertEquals(serializer.data, expected)
+
+
+class PKNullableOneToOneTests(TestCase):
+    def setUp(self):
+        target = OneToOneTarget(name='target-1')
+        target.save()
+        new_target = OneToOneTarget(name='target-2')
+        new_target.save()
+        source = NullableOneToOneSource(name='source-1', target=target)
+        source.save()
+
+    def test_reverse_foreign_key_retrieve_with_null(self):
+        queryset = OneToOneTarget.objects.all()
+        serializer = NullableOneToOneTargetSerializer(queryset)
+        expected = [
+            {'id': 1, 'name': u'target-1', 'nullable_source': 1},
+            {'id': 2, 'name': u'target-2', 'nullable_source': None},
+        ]
+        self.assertEquals(serializer.data, expected)