new_contents: # Copyright 2014 Dan Kilman
  #
  # 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.
  
  import os
  from unittest import TestCase
  
  from pysource import env
  
  
  class SugaredEnvTest(TestCase):
  
      def test_existing(self):
          env_home = os.environ.get('HOME')
          self.assertIsNotNone(env_home)
          self.assertEqual(env.HOME, env_home)
  
      def test_non_existing(self):
          env_non_existing = os.environ.get('I_DO_NOT_EXIST')
          self.assertIsNone(env_non_existing)
          self.assertEqual(env.I_DO_NOT_EXIST, env_non_existing)
  
subject: add tests for sugared env