atbash_cipher.vader

" The tests are divided into two groups:
"
"   - encoding from English to atbash cipher
"   - decoding from atbash cipher to all-lowercase-mashed-together English

" Test encoding from English to atbash

Execute (encode yes):
  AssertEqual 'bvh', AtbashEncode('yes')

Execute (encode no):
  AssertEqual 'ml', AtbashEncode('no')

Execute (encode OMG):
  AssertEqual 'lnt', AtbashEncode('OMG')

Execute (encode spaces):
  AssertEqual 'lnt', AtbashEncode('O M G')

Execute (encode mindblowingly):
  AssertEqual 'nrmwy oldrm tob', AtbashEncode('mindblowingly')

Execute (encode numbers):
  AssertEqual 'gvhgr mt123 gvhgr mt', AtbashEncode('Testing,1 2 3, testing.')

Execute (encode deep thought):
  AssertEqual 'gifgs rhurx grlm', AtbashEncode('Truth is fiction.')

Execute (encode all the letters):
  AssertEqual
    \ 'gsvjf rxpyi ldmul cqfnk hlevi gsvoz abwlt',
    \ AtbashEncode('The quick brown fox jumps over the lazy dog.')

" Test decoding from atbash to English

Execute (decode exercism):
  AssertEqual 'exercism', AtbashDecode('vcvix rhn')

Execute (decode a sentence):
  AssertEqual
    \ 'anobstacleisoftenasteppingstone',
    \ AtbashDecode('zmlyh gzxov rhlug vmzhg vkkrm thglm v')

Execute (decode numbers):
  AssertEqual 'testing123testing', AtbashDecode('gvhgr mt123 gvhgr mt')

Execute (decode all the letters):
  AssertEqual
    \ 'thequickbrownfoxjumpsoverthelazydog',
    \ AtbashDecode('gsvjf rxpyi ldmul cqfnk hlevi gsvoz abwlt')