public void CreateUser_UserDoesExist_ReturnsFalse()
{
byte[] salt = PasswordManagement.GenerateSalt();
byte[] pass = PasswordManagement.GenerateSaltedPassword(Encoding.UTF8.GetBytes("Password"), salt);
var mock = new Mock<IUnitOfWork>();
mock.Setup(u => u.UserRepository.Get(It.IsAny<Expression<Func<User, bool>>>(), null, "")).Returns(
new List<User>
{
new User { UserId = 4, FirstName = "Test4", LastName = "LastName", Email = "*****@*****.**", Salt = salt, Password = pass },
});
RegisterService registerService = new RegisterService(mock.Object);
UserDTO testUser = new UserDTO();
testUser.Email = "*****@*****.**";
bool result = registerService.createNewUser(testUser);
Assert.IsFalse(result);
}