def test_i2a_type_error(self):
i = "EmO"
cipher = VigenereCipher()
self.assertRaises(TypeError, cipher.i2a, i)
def test_decipher_encipher_good(self):
key = "amo"
string = "F M O"
cipher = VigenereCipher(key)
self.assertEqual(string.upper(),
cipher.encipher(cipher.decipher(string)))
def test_i2a_good(self):
i = 53
cipher = VigenereCipher()
res = 'B'
self.assertEqual(res, cipher.i2a(i))
def test_decipher_adding_non_letters(self):
key = "DiMo"
string = "L M O"
res = "I E C"
cipher = VigenereCipher(key)
self.assertEqual(res, cipher.decipher(string))
def test_init(self):
cipher = VigenereCipher()
self.assertTrue(isinstance(cipher, VigenereCipher))
def test_a2i_one_letter(self):
ch = "amo"
cipher = VigenereCipher()
self.assertRaises(ValueError, cipher.a2i, ch)
def test_decipher_good(self):
key = "cimo"
string = "anpa"
res = "YFDM"
cipher = VigenereCipher(key)
self.assertEqual(res, cipher.decipher(string))
def test_key_remove_bad_characters(self):
key = "A m1oЪ*"
res = "AMO"
cipher = VigenereCipher(key)
self.assertEqual(res, cipher.key)
def test_encipher_good(self):
key = "mo"
string = "abba"
res = "MPNO"
cipher = VigenereCipher(key)
self.assertEqual(res, cipher.encipher(string))
def test_check_key_bad(self):
string = "abba"
cipher = VigenereCipher()
cipher.key = "абба"
self.assertRaises(ValueError, cipher.encipher, string)
def test_key_to_upper(self):
key = "BiMo"
cipher = VigenereCipher(key)
self.assertEqual(key.upper(), cipher.key)
def test_check_key_string(self):
string = "abba"
cipher = VigenereCipher()
cipher.key = 123
self.assertRaises(TypeError, cipher.encipher, string)
def test_check_string(self):
string = 123
cipher = VigenereCipher()
self.assertRaises(TypeError, cipher.encipher, string)
def test_a2i_english(self):
ch = "ф"
cipher = VigenereCipher()
self.assertRaises(ValueError, cipher.a2i, ch)
def test_a2i_good(self):
ch = 'B'
cipher = VigenereCipher()
res = 1
self.assertEqual(res, cipher.a2i(ch))
def test_encipher_adding_non_letters(self):
key = "MmO"
string = "a b b a"
res = "M N P M"
cipher = VigenereCipher(key)
self.assertEqual(res, cipher.encipher(string))
def test_a2i_type_error(self):
ch = 1
cipher = VigenereCipher()
self.assertRaises(TypeError, cipher.a2i, ch)
def test_key_good(self):
key = "amo"
cipher = VigenereCipher(key)
self.assertEqual(key.upper(), cipher.key)
