python/exercises/crypto-square/crypto_square_test.py

import unittest

from crypto_square import encode


# Tests adapted from `problem-specifications//canonical-data.json` @ v3.2.0

class CryptoSquareTest(unittest.TestCase):
    def test_empty_string(self):
        self.assertEqual(encode(''), '')

    def test_lowercase(self):
        self.assertEqual(encode('A'), 'a')

    def test_remove_spaces(self):
        self.assertEqual(encode('  b '), 'b')

    def test_remove_punctuation(self):
        self.assertEqual(encode('@1,%!'), '1')

    def test_9chars_results_3chunks(self):
        self.assertEqual(encode('This is fun!'), 'tsf hiu isn')

    def test_8chars_results_3chunks_ending_space(self):
        self.assertEqual(encode('Chill out.'), 'clu hlt io ')

    def test_54chars_results_7chunks_2ending_space(self):
        self.assertEqual(
            encode('If man was meant to stay on the ground, '
                   'god would have given us roots.'),
            'imtgdvs fearwer mayoogo anouuio ntnnlvt wttddes aohghn  sseoau '
        )


if __name__ == '__main__':
    unittest.main()