diff --git a/mock_action.h b/mock_action.h
new file mode 100644
index 0000000..f7bfedd
--- /dev/null
+++ b/mock_action.h
@@ -0,0 +1,33 @@
+// Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef UPDATE_ENGINE_MOCK_ACTION_H_
+#define UPDATE_ENGINE_MOCK_ACTION_H_
+
+#include <string>
+
+#include <gmock/gmock.h>
+
+#include "update_engine/action.h"
+
+namespace chromeos_update_engine {
+
+class MockAction;
+
+template<>
+class ActionTraits<MockAction> {
+ public:
+  typedef NoneType OutputObjectType;
+  typedef NoneType InputObjectType;
+};
+
+class MockAction : public Action<MockAction> {
+ public:
+  MOCK_METHOD0(PerformAction, void());
+  MOCK_CONST_METHOD0(Type, std::string());
+};
+
+}  // namespace chromeos_update_engine
+
+#endif  // UPDATE_ENGINE_MOCK_ACTION_H_