Medium - Basic unittest example for is_palindrome

test_unittest.py

"""Basic unittest for ``is_palindrome`` method."""

import unittest


def is_palindrome(string: str) -> bool:
    """Determine if a given string is a palindrome.

    :param str string: The string to process
    :return: True if given string is a palindrome, otherwise False
    :rtype: bool
    """
    return string == string[::-1]


class TestPalindrome(unittest.TestCase):
    """Tests the ``is_plaindrome`` method."""

    def test_is_palindrome(self):
        """Test true cases for ``is_palindrome``."""
        assert is_palindrome("")
        assert is_palindrome("a")
        assert is_palindrome("aba")
        assert is_palindrome("ababa")
        assert is_palindrome("racecar")

    def test_not_is_palindrome(self):
        """Test false cases for ``is_palindrome``."""
        assert not is_palindrome("ab")
        assert not is_palindrome("abab")
        assert not is_palindrome("abaa")
        assert not is_palindrome("bbaa")


if __name__ in "__main__":
    unittest.main()