Ticket #26215: 26215-test.diff

tests/postgres_tests/test_ranges.py

@@ -309 +309 @@
         self.assertEqual(instance.dates, DateRange(self.lower_date, self.upper_date))
         self.assertEqual(instance.timestamps, DateTimeTZRange(self.lower_dt, self.upper_dt))
 
+    def test_dumping_null(self):
+        instance = RangesModel(ints=None, floats=None, timestamps=None, dates=None)
+        data = serializers.serialize('json', [instance])
+        new_instance = list(serializers.deserialize('json', data))[0].object
+        self.assertIsNone(new_instance.ints)
+        self.assertIsNone(new_instance.floats)
+        self.assertIsNone(new_instance.bigints)
+        self.assertIsNone(new_instance.dates)
+
 
 class TestValidators(PostgreSQLTestCase):