Method is_disconnect

test/engine/test_reconnect.py:1238–1243

(e, conn, cursor)

    def test_ensure_is_disconnect_gets_connection(self):
        def is_disconnect(e, conn, cursor):
            # connection is still present
            assert conn.dbapi_connection is not None
            # the error usually occurs on connection.cursor(),
            # though MySQLdb we get a non-working cursor.
            # assert cursor is None

        self.engine.dialect.is_disconnect = is_disconnect