4 files changed, 58 insertions, 0 deletions
diff --git a/rest_framework/tests/serializers.py b/rest_framework/tests/serializers.py
new file mode 100644
index 00000000..cc943c7d
--- /dev/null
+++ b/rest_framework/tests/serializers.py
@@ -0,0 +1,8 @@
+from rest_framework import serializers
+
+from rest_framework.tests.models import NullableForeignKeySource
+
+
+class NullableFKSourceSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = NullableForeignKeySource
diff --git a/rest_framework/tests/test_nullable_fields.py b/rest_framework/tests/test_nullable_fields.py
new file mode 100644
index 00000000..6ee55c00
--- /dev/null
+++ b/rest_framework/tests/test_nullable_fields.py
@@ -0,0 +1,30 @@
+from django.core.urlresolvers import reverse
+
+from rest_framework.compat import patterns, url
+from rest_framework.test import APITestCase
+from rest_framework.tests.models import NullableForeignKeySource
+from rest_framework.tests.serializers import NullableFKSourceSerializer
+from rest_framework.tests.views import NullableFKSourceDetail
+
+
+urlpatterns = patterns(
+    '',
+    url(r'^objects/(?P<pk>\d+)/$', NullableFKSourceDetail.as_view(), name='object-detail'),
+)
+
+
+class NullableForeignKeyTests(APITestCase):
+    """
+    DRF should be able to handle nullable foreign keys when a test
+    Client POST/PUT request is made with its own serialized object.
+    """
+    urls = 'rest_framework.tests.test_nullable_fields'
+
+    def test_updating_object_with_null_fk(self):
+        obj = NullableForeignKeySource(name='example', target=None)
+        obj.save()
+        serialized_data = NullableFKSourceSerializer(obj).data
+
+        response = self.client.put(reverse('object-detail', args=[obj.pk]), serialized_data)
+
+        self.assertEqual(response.data, serialized_data)
diff --git a/rest_framework/tests/test_renderers.py b/rest_framework/tests/test_renderers.py
index cddd00e7..c7bf772e 100644
--- a/rest_framework/tests/test_renderers.py
+++ b/rest_framework/tests/test_renderers.py
@@ -256,6 +256,18 @@ class RendererEndToEndTests(TestCase):
         self.assertEqual(resp.get('Content-Type', None), None)
         self.assertEqual(resp.status_code, status.HTTP_204_NO_CONTENT)
 
+    def test_contains_headers_of_api_response(self):
+        """
+        Issue #1437
+
+        Test we display the headers of the API response and not those from the
+        HTML response
+        """
+        resp = self.client.get('/html1')
+        self.assertContains(resp, '>GET, HEAD, OPTIONS<')
+        self.assertContains(resp, '>application/json<')
+        self.assertNotContains(resp, '>text/html; charset=utf-8<')
+
 
 _flat_repr = '{"foo": ["bar", "baz"]}'
 _indented_repr = '{\n  "foo": [\n    "bar",\n    "baz"\n  ]\n}'
diff --git a/rest_framework/tests/views.py b/rest_framework/tests/views.py
new file mode 100644
index 00000000..3917b74a
--- /dev/null
+++ b/rest_framework/tests/views.py
@@ -0,0 +1,8 @@
+from rest_framework import generics
+from rest_framework.tests.models import NullableForeignKeySource
+from rest_framework.tests.serializers import NullableFKSourceSerializer
+
+
+class NullableFKSourceDetail(generics.RetrieveUpdateDestroyAPIView):
+    model = NullableForeignKeySource
+    model_serializer_class = NullableFKSourceSerializer