def test_can_solve_captcha_with_no_matches_with_length():
captcha = '1221'
result = day_1.solve_captcha(captcha, int(len(captcha) / 2))
assert result == 0
def test_can_solve_captcha_with_length():
captcha = '1212'
result = day_1.solve_captcha(captcha, int(len(captcha) / 2))
assert result == 6
def test_can_add_adjacent_digits():
captcha = '1122'
result = day_1.solve_captcha(captcha)
assert result == 3
def test_can_handle_only_one_wrapping_digit():
captcha = '91212129'
result = day_1.solve_captcha(captcha)
assert result == 9
def test_can_handle_no_match():
captcha = '1234'
result = day_1.solve_captcha(captcha)
assert result == 0
def test_can_handle_wrapping_match():
captcha = '1111'
result = day_1.solve_captcha(captcha)
assert result == 4