For Packt, a piece of FakeWebService

FakeWebService.cs

public async Task<User> Register(User user)
{
  await Sleep();
  return user;
}

public async Task<User[]> GetFriends(string userId)
{
  await Sleep();
  return new[] 
  { 
    new User { Name = "bobama" }, 
    new User { Name = "bobloblaw" }, 
    new User { Name = "georgemichael" }, 
  };
}

public async Task<User> AddFriend(
  string username, string friendName)
{
  await Sleep(); 
  return new User { Name = friendName };
}