private static ComposerSerializer CreateSerializer(FunctionPickerData functionPickerData)
        {
            var serializer = new Mock <ComposerSerializer>();

            serializer.Setup(x => x.Deserialize <FunctionPickerData>(It.IsAny <string>())).Returns(functionPickerData);
            return(serializer.Object);
        }
 private static DynamicFunctionTransform CreateSubject(FunctionPickerData functionPickerData = null, ExportLinkResolver exportLinkResolver = null)
 {
     exportLinkResolver = exportLinkResolver ?? new Mock <ExportLinkResolver>(null).Object;
     return(new DynamicFunctionTransform(CreateSerializer(functionPickerData), exportLinkResolver));
 }