public void Update()
{
var manager = new AuthorManager(new UnitOfWork("development"));
manager.DeleteAll();
manager.Add(new BusinessLayer.Models.Author("test-first", "test-Last"));
var authors = manager.GetAll();
Assert.AreEqual(authors.Count, 1);
var author = manager.Get(authors[0].ID);
Assert.AreEqual(author.Firstname, "test-first");
Assert.AreEqual(author.Surname, "test-Last");
author.SetSurname("test-Sur");
author.SetFirstName("test-First");
manager.Update(author);
authors = manager.GetAll();
Assert.AreEqual(authors.Count, 1);
author = manager.Get(authors[0].ID);
Assert.AreEqual(author.Firstname, "test-First");
Assert.AreEqual(author.Surname, "test-Sur");
manager.DeleteAll();
}