WolverineTests.cs

[TestClass]
public class WolverineTests
{
    [TestMethod]
    public async Task cascade_test()
    { 
        using var host = await Host.CreateDefaultBuilder()
            .UseWolverine((context, opts) => { })
            .StartAsync();

        var bus = host.Services.GetRequiredService<IMessageBus>();

        await bus.InvokeAsync(new CascadeCommand());
    }
}

public record CascadeCommand;
public record Step1Result;
public record Step2Result;
public record Step3Result;

public class Step1Handler
{
    public Step1Result Consume(CascadeCommand cmd)
    {
        Console.WriteLine("handle step 1");
        return new Step1Result();
    }
}

public class Step2Handler
{
    public Step2Result Consume(Step1Result cmd)
    {
        Console.WriteLine("handle step 2");
        return new Step2Result();
    }
}

public class Step3Handler
{
    public Step3Result Consume(Step2Result cmd)
    {
        Console.WriteLine("handle step 3");
        return new Step3Result();
    }
}