text: # Copyright (C) 2018 Google Inc.
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  # http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  """Tests for the cipher module."""
  
  from fire import testutils
  
  from examples.cipher import cipher
  
  
  class CipherTest(testutils.BaseTestCase):
  
    def testCipher(self):
      self.assertEqual(cipher.rot13('Hello world!'), 'Uryyb jbeyq!')
      self.assertEqual(cipher.caesar_encode(13, 'Hello world!'), 'Uryyb jbeyq!')
      self.assertEqual(cipher.caesar_decode(13, 'Uryyb jbeyq!'), 'Hello world!')
  
      self.assertEqual(cipher.caesar_encode(1, 'Hello world!'), 'Ifmmp xpsme!')
      self.assertEqual(cipher.caesar_decode(1, 'Ifmmp xpsme!'), 'Hello world!')
  
  
  if __name__ == '__main__':
    testutils.main()
  