diff --git a/src/armnnOnnxParser/test/OnnxParserTestUtils.cpp b/src/armnnOnnxParser/test/OnnxParserTestUtils.cpp
new file mode 100644
index 0000000..66c4013
--- /dev/null
+++ b/src/armnnOnnxParser/test/OnnxParserTestUtils.cpp
@@ -0,0 +1,35 @@
+//
+// Copyright © 2021 Arm Ltd and Contributors. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#include "OnnxParserTestUtils.hpp"
+
+#include <fmt/format.h>
+
+namespace armnnUtils
+{
+
+std::string ConstructTensorShapeString(const std::vector<int>& shape)
+{
+    std::string shapeStr;
+    for (int i : shape)
+    {
+        shapeStr = fmt::format("{} dim {{ dim_value: {} }}", shapeStr, i);
+    }
+    return shapeStr;
+}
+
+std::string ConstructIntsAttribute(const std::string& name,
+                                   const std::vector<int>& values)
+{
+    std::string attrString = fmt::format("attribute {{ name: '{}'", name);;
+    for (int i : values)
+    {
+        attrString = fmt::format(" {} ints: {}", attrString, i);
+    }
+    attrString = fmt::format(" {} type: INTS }}", attrString);
+    return attrString;
+}
+
+} // namespace armnnUtils
\ No newline at end of file