public void ResizeImageExistingFile()
{
ITransloadit transloadit = new Transloadit.Transloadit("YOUR-PUBLIC-API-KEY", "YOUR-SECRET-KEY");
IAssemblyBuilder assembly = new AssemblyBuilder();
assembly.AddFile(System.IO.Path.GetFullPath("test.jpg"));
IStep step = new Step();
step.SetOption("robot", "/image/resize");
step.SetOption("width", 75);
step.SetOption("height", 75);
step.SetOption("resize_strategy", "pad");
step.SetOption("background", "#000000");
assembly.AddStep("thumb", step);
TransloaditResponse response = transloadit.InvokeAssembly(assembly);
Assert.IsTrue((string)response.Data["ok"] == "ASSEMBLY_COMPLETED" || (string)response.Data["ok"] == "ASSEMBLY_EXECUTING");
Assert.IsTrue(response.Data["uploads"].ToObject<List<Dictionary<string, object>>>().Count > 0);
}