new_contents: # Import libnacl libs
  import libnacl.secret
  # Import python libs
  import unittest
  
  class TestSecret(unittest.TestCase):
      '''
      '''
      def test_secret(self):
          msg = 'But then of course African swallows are not migratory.'
          box = libnacl.secret.SecretBox()
          ctxt = box.encrypt(msg)
          self.assertNotEqual(msg, ctxt)
          box2 = libnacl.secret.SecretBox(box.sk)
          clear1 = box.decrypt(ctxt)
          self.assertEqual(msg, clear1)
          clear2 = box2.decrypt(ctxt)
          self.assertEqual(clear1, clear2)
          ctxt2 = box2.encrypt(msg)
          clear3 = box.decrypt(ctxt2)
          self.assertEqual(clear3, msg)
  
  
subject: Add high level secret tests