Remove test case

Author: furkanonder

Lib/test/test_shelve.py

@@ -411,29 +411,6 @@ def deserializer(data):
         self.assertRaises(shelve.ShelveError, shelve.Shelf, {}, **kwargs)
         self.assertRaises(shelve.ShelveError, shelve.BsdDbShelf, {}, **kwargs)
 
-    def test_custom_serializer_returns_wrong_type_for_key(self):
-        os.mkdir(self.dirname)
-        self.addCleanup(os_helper.rmtree, self.dirname)
-
-        def serializer(obj, protocol):
-            # Return None instead of bytes, which is wrong for dbm keys
-            return None
-
-        def deserializer(data):
-            return data.decode("utf-8") if data else ""
-
-        for proto in range(pickle.HIGHEST_PROTOCOL + 1):
-            with self.subTest(proto=proto), shelve.open(
-                self.fn,
-                protocol=proto,
-                serializer=serializer,
-                deserializer=deserializer
-            ) as s:
-                # Since the serializer returns None, dbm.error is raised
-                # by dbm.sqlite3 and TypeError is raised by other backends.
-                with self.assertRaises((TypeError, dbm.error)):
-                    s["foo"] = "bar"
-
 
 class TestShelveBase:
     type2test = shelve.Shelf