--- /dev/null
+##############################################################################
+# Copyright (c) 2016 ZTE Corp and others.
+#
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+##############################################################################
+
+from qtip.collector.transformer.base import BaseTransformer
+
+
+def test_base_transformer():
+ bt = BaseTransformer()
+ assert isinstance(bt, BaseTransformer)