Tested the test client uploading of NamedTemporaryFile.

tests/test_client/tests.py

@@ -721,6 +721,11 @@ class ClientTest(TestCase):
         response = self.client.post('/upload_view/', data={'temp_file': test_file})
         self.assertEqual(response.content, b'temp_file')
 
+    def test_uploading_named_temp_file(self):
+        test_file = tempfile.NamedTemporaryFile()
+        response = self.client.post('/upload_view/', data={'named_temp_file': test_file})
+        self.assertEqual(response.content, b'named_temp_file')
+
 
 @override_settings(
     MIDDLEWARE=['django.middleware.csrf.CsrfViewMiddleware'],