fakeit.cs

namespace FakeIt.Specs
{
    public class Customer
    {
        public string Name { get; set; }
    }

    [TestFixture]
    public class BluePrintSpecs
    {
        [Test]
        public void can_set_up_a_blueprint()
        {
            Factory.Strategy<Customer>(c => c.Name = "Len");
            var customer = Factory.Create<Customer>();
            Assert.AreEqual(customer.Name, "Len");
        }
    }

    public class Factory
    {
        public static Dictionary<string, object> factories = new Dictionary<string, object>();
        public static void Strategy<T>(Action<T> func)
        {
            factories[typeof (T).ToString()] = func;
        }

        public static T Create<T>() where T : new()
        {
            var rv = new T();
            (factories[typeof (T).ToString()] as Action<T>)(rv);
            return rv;
        }
    }
}