Ticket #26215: 26215-test2.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_serialize_range_with_null(self):
+        instance = RangesModel(ints=NumericRange(None, 10))
+        data = serializers.serialize('json', [instance])
+        new_instance = list(serializers.deserialize('json', data))[0].object
+        self.assertEqual(new_instance.ints, NumericRange(None, 10))
+
 
 class TestValidators(PostgreSQLTestCase):