new_contents: """tests/test_interface.py.
  
  Tests hug's defined interfaces (HTTP, CLI, & Local)
  
  Copyright (C) 2016 Timothy Edmund Crosley
  
  Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
  documentation files (the "Software"), to deal in the Software without restriction, including without limitation
  the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and
  to permit persons to whom the Software is furnished to do so, subject to the following conditions:
  
  The above copyright notice and this permission notice shall be included in all copies or
  substantial portions of the Software.
  
  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
  TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
  CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  OTHER DEALINGS IN THE SOFTWARE.
  
  """
  import pytest
  
  import hug
  
  
  @hug.http(('/namer', '/namer/{name}'), ('GET', 'POST'), versions=(None, 2))
  def namer(name=None):
      return name
  
  
  class TestHTTP(object):
      """Tests the functionality provided by hug.interface.HTTP"""
  
      def test_urls(self):
          """Test to ensure HTTP interface correctly returns URLs associated with it"""
          assert namer.interface.http.urls() == ['/namer', '/namer/{name}']
  
      def test_url(self):
          """Test to ensure HTTP interface correctly automatically returns URL associated with it"""
          assert namer.interface.http.url() == '/namer'
          assert namer.interface.http.url(name='tim') == '/namer/tim'
          assert namer.interface.http.url(name='tim', version=2) == '/v2/namer/tim'
  
          with pytest.raises(KeyError):
              namer.interface.http.url(undefined='not a variable')
  
          with pytest.raises(KeyError):
              namer.interface.http.url(version=10)
  
subject: Add tests for desired automatic url creation feature