def test_validate_eat_case(self):
        expected = True
        for input_move in ['Kxf3', 'axb2', 'Rxd2']:

            actual = validator.validate_eat_case(input_move)
            self.assertEqual(expected, actual)

        expected = False
        for input_move in ['Kf3', 'a2', 'Rxd']:

            actual = validator.validate_eat_case(input_move)
            self.assertEqual(expected, actual)
def piece_eats(input_move):
    return validator.validate_eat_case(input_move)