def test_decrypt(self):
cipher = Substitution()
cipher_text = "kjuzxfilcqtftdcyksdkxltifutdkdtutnziqzytbtykdxqdcooifqycfqscqt"
open_text = cipher.decrypt(cipher_text, "camntwqzipryofxkhdlusbevjg")
expected = "pythonisageneralpurposeinterpretedhighlevelprogramminglanguage"
self.assertEqual(open_text, expected)
self.assertEqual(cipher.decrypt("", "a"), "")
def test_decrypt(self):
cipher = Substitution()
cipher_text = "kjuzxfilcqtftdcyksdkxltifutdkdtutnziqzytbtykdxqdcooifqycfqscqt"
open_text = cipher.decrypt(cipher_text, "camntwqzipryofxkhdlusbevjg")
expected = "pythonisageneralpurposeinterpretedhighlevelprogramminglanguage"
self.assertEqual(open_text, expected)
self.assertEqual(cipher.decrypt("", "a"), "")
def test_encrypt(self):
cipher = Substitution()
open_text = normalize_text("Python is a general-purpose, interpreted high-level programming language")
cipher_text = cipher.encrypt(open_text, string.ascii_lowercase)
self.assertEqual(cipher_text, open_text)
cipher_text = cipher.encrypt(open_text, "camntwqzipryofxkhdlusbevjg")
expected = "kjuzxfilcqtftdcyksdkxltifutdkdtutnziqzytbtykdxqdcooifqycfqscqt"
self.assertEqual(cipher_text, expected)
self.assertEqual(cipher.encrypt("", "a"), "")
def test_encrypt(self):
cipher = Substitution()
open_text = normalize_text(
"Python is a general-purpose, interpreted high-level programming language"
)
cipher_text = cipher.encrypt(open_text, string.ascii_lowercase)
self.assertEqual(cipher_text, open_text)
cipher_text = cipher.encrypt(open_text, "camntwqzipryofxkhdlusbevjg")
expected = "kjuzxfilcqtftdcyksdkxltifutdkdtutnziqzytbtykdxqdcooifqycfqscqt"
self.assertEqual(cipher_text, expected)
self.assertEqual(cipher.encrypt("", "a"), "")
