old_contents: import integration
  
  
  class SysModuleTest(integration.ModuleCase):
      '''
      Validate the sys module
      '''
      def test_list_functions(self):
          '''
          sys.list_functions
          '''
          funcs = self.run_function('sys.list_functions')
          self.assertTrue('hosts.list_hosts' in funcs)
          self.assertTrue('pkg.install' in funcs)
  
      def test_list_modules(self):
          '''
          sys.list_moduels
          '''
          mods = self.run_function('sys.list_modules')
          self.assertTrue('hosts' in mods)
          self.assertTrue('pkg' in mods)
  
  
  if __name__ == '__main__':
      from integration import run_tests
      run_tests(SysModuleTest)
  
new_contents: import integration
  
  
  class SysModuleTest(integration.ModuleCase):
      '''
      Validate the sys module
      '''
      def test_list_functions(self):
          '''
          sys.list_functions
          '''
          funcs = self.run_function('sys.list_functions')
          self.assertTrue('hosts.list_hosts' in funcs)
          self.assertTrue('pkg.install' in funcs)
  
      def test_list_modules(self):
          '''
          sys.list_moduels
          '''
          mods = self.run_function('sys.list_modules')
          self.assertTrue('hosts' in mods)
          self.assertTrue('pkg' in mods)
  
      def test_valid_docs(self):
          '''
          Make sure no functions are exposed that don't have valid docstrings
          '''
          docs = self.run_function('sys.doc')
          bad = set()
          for fun in docs:
              if fun.startswith('runtests_helpers'):
                  continue
              if not isinstance(docs[fun], basestring):
                  bad.add(fun)
              elif not 'Example::' in docs[fun]:
                  if not 'Examples::' in docs[fun]:
                      bad.add(fun)
          if bad:
              import pprint
              pprint.pprint(sorted(bad))
          self.assertFalse(bool(bad))
  
  
  if __name__ == '__main__':
      from integration import run_tests
      run_tests(SysModuleTest)
  
subject: Add test to verify loader modules