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-rw-r--r--test/graph/ac/test_null.py3
1 files changed, 3 insertions, 0 deletions
diff --git a/test/graph/ac/test_null.py b/test/graph/ac/test_null.py
index e33d46a..544a01e 100644
--- a/test/graph/ac/test_null.py
+++ b/test/graph/ac/test_null.py
@@ -131,7 +131,10 @@ class TestNullAC(unittest.TestCase):
ast.filter.Any(ns.bse.tag, ast.filter.Is('http://example.com/tag#4321')),
ast.filter.Any(ns.bse.author, ast.filter.Equals('Me, Myself, and I')))
ac = NullAC(self.backend, self.user)
+ # NullAC returns query
self.assertEqual(query, ac.filter_read(self.ent_type, query))
+ # query can be none
+ self.assertIsNone(ac.filter_read(self.ent_type, None))
## main ##