public void GetUserByInput_UserDoesNotExist(string username, string password)
        {
            // Arrange
            AuthenticationMemoryContext context = new AuthenticationMemoryContext();

            // Act
            LoginDto user = context.GetUserByInput(username, password);

            // Assert
            Assert.Null(user);
        }
        public void GetUserById_UserDoesNotExist(int id)
        {
            // Arrange
            AuthenticationMemoryContext context = new AuthenticationMemoryContext();

            // Act
            LoginDto user = context.GetUserById(id);

            // Assert
            Assert.Null(user);
        }
        public void CreateUser_XUnitTest(string username, string password)
        {
            // Arrange
            AuthenticationMemoryContext context = new AuthenticationMemoryContext();
            LoginDto user = new LoginDto(username, password);

            // Act
            context.CreateUser(user);
            LoginDto newUser = context.mockDb.Find(a => a.Username == user.Username && a.Password == user.Password);

            // Assert
            Assert.NotNull(newUser);
        }