def main():
for i in range(20):
# set random message to test
random.seed(42)
message = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' * random.randint(4, 40)
# convert message to a list and shuffle it
message = list(message)
random.shuffle(message)
message = ''.join(message)
print('Test #%s: "%s..."' % (i + 1, message[:50]))
# Check all possible keys for each message
for key in range(1, len(message)):
encrypted = Caesar.caesar_cipher(message, key)
decrypted = Caesar.caesar_cipher(encrypted, key, 'decrypt')
# encrypted and decrypted should match
if message != decrypted:
print('Mismatch with key %s and message %s. \n' %
(key, message))
print(decrypted)
sys.exit()
print('Transposition cipher is passed')
