new_contents: # -*- coding: utf-8 -*-
  import unittest
  import re
  import sys
  import os.path
  sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
  from anydo.lib import utils
  
  
  class UtilsTests(unittest.TestCase):
      def setUp(self):
          self.pattern = re.compile('(^([\w-]+)==$)', flags=re.U)
  
      def test_create_uuid(self):
          self.assertTrue(self.pattern.match(utils.create_uuid()))
  
      def test_encode_string(self):
          self.assertEqual(utils.encode_string('test'), 'test')
          self.assertEqual(utils.encode_string('1234'), '1234')
          self.assertEqual(utils.encode_string('test1234 Äë'), 'test1234 Äë')
  
          # "テスト" means "test" in Japansese.
          if sys.version_info < (3, 0):
              word = ('\xe3\x83\x86\xe3\x82\xb9\xe3\x83\x88 123eA'
                      '\xe3\x83\x86\xe3\x82\xb9\xe3\x83\x88')
          else:
              word = 'テスト 123eAテスト'
          self.assertEqual(utils.encode_string('テスト 123eAテスト'), word)
  
subject: Add unit test of utils module.