EF 6.0 Beta Seed/DbMigrationsConfig behaviour

EF6.0Beta Behaviour

    
    // democode in Application_Start from an MVC app
    public class MvcApplication : System.Web.HttpApplication
    {
        protected void Application_Start()
        {
            using (var context = new AppDbContext("Data Source=server;Initial Catalog=db;User ID=dbuser;Password=pw;MultipleActiveResultSets=True"))
            {
                Database.SetInitializer<AppDbContext>(new DropAndCreateDatabaseDbInitializer());
                context.Database.Initialize(true);
            }


            using (var context = new AppDbContext("Data Source=server;Initial Catalog=db;User ID=dbuser;Password=pw;MultipleActiveResultSets=True"))
            {
                var test = context.Items.ToList();
            }

            AreaRegistration.RegisterAllAreas();

            WebApiConfig.Register(GlobalConfiguration.Configuration);
            FilterConfig.RegisterGlobalFilters(GlobalFilters.Filters);
            RouteConfig.RegisterRoutes(RouteTable.Routes);

        }
    }

    // Magically called - this is used by other code parts, we "dont" need it for creating the database
    public class EfMigrationConfig : DbMigrationsConfiguration<AppDbContext>
    {
        public EfMigrationConfig()
        {
            ContextKey = "Default";
            AutomaticMigrationsEnabled = false;
            AutomaticMigrationDataLossAllowed = false;
        }

    }

    // Strategy with seed
    public class DropAndCreateDatabaseDbInitializer : DropCreateDatabaseAlways<AppDbContext>
    {
        protected override void Seed(AppDbContext context)
        {
            context.Items.Add(new Items() { Id = Guid.NewGuid(), Value = "Test" }); // <-- Exception "The underlying provider failed on Open."
            // no database created, why?
            context.SaveChanges();
        }
    }

    // sample context 
    public class AppDbContext : DbContext
    {
        public AppDbContext()
            : base()
        {
        }

        public AppDbContext(string connectionString)
            : base(connectionString)
        {

        }

        protected override void OnModelCreating(DbModelBuilder modelBuilder)
        {
            // table name will now be equal to the class names
            modelBuilder.Conventions.Remove<PluralizingTableNameConvention>();
        }

        public DbSet<Items> Items { get; set; }
    }

    public class Items
    {
        public Guid Id { get; set; }
        public string Value { get; set; }
    }