diff --git a/tools/test/data_interface_mock.hpp b/tools/test/data_interface_mock.hpp
new file mode 100644
index 0000000..d823da5
--- /dev/null
+++ b/tools/test/data_interface_mock.hpp
@@ -0,0 +1,14 @@
+#pragma once
+
+#include "interface.hpp"
+
+#include <gmock/gmock.h>
+
+class DataInterfaceMock : public DataInterface
+{
+
+  public:
+    virtual ~DataInterfaceMock() = default;
+
+    MOCK_METHOD2(sendContents, bool(const std::string&, std::uint16_t));
+};