using System;

using System.Linq;

using AutoFixture;

using AutoFixture.AutoMoq;

​

var fixture = new Fixture();

fixture.Customize(new AutoMoqCustomization());

​

// Should be filled with random combination of non abstract implementations of `Command`

var commands  = fixture.CreateMany<Command>(20).ToList();

​

commands.ForEach(command => Console.WriteLine(command.Type));

​

public enum CommandType { CREATE_FOO, DELETE_FOO }

​

public abstract class Command

{

  public int Id { get; set; }

  public CommandType Type { get; set; }

}

​

  public abstract class CreateCommand : Command { }

​

    public class CreateFoo : CreateCommand

    {

      public CreateFoo() => Type = CommandType.CREATE_FOO;

    }

​

  public abstract class DeleteCommand : Command { }

​

    public class DeleteFoo : DeleteCommand

    {

      public DeleteFoo() => Type = CommandType.DELETE_FOO;

    }