new_contents: # Import python libs
  import os
  
  # Import salt libs
  import integration
  
  class DiskModuleTest(integration.ModuleCase):
      '''
      Validate the disk module
      '''
      def test_usage(self):
          '''
          disk.usage
          '''
          ret = self.run_function('disk.usage')
          self.assertTrue(isinstance(ret, dict))
          if not isinstance(ret, dict):
              return
          for key, val in ret.items():
              self.assertTrue('filesystem' in val)
              self.assertTrue('1K-blocks' in val)
              self.assertTrue('used' in val)
              self.assertTrue('available' in val)
              self.assertTrue('capacity' in val)
  
      def test_inodeusage(self):
          '''
          disk.inodeusage
          '''
          ret = self.run_function('disk.inodeusage')
          self.assertTrue(isinstance(ret, dict))
          if not isinstance(ret, dict):
              return
          for key, val in ret.items():
              self.assertTrue('inodes' in val)
              self.assertTrue('used' in val)
              self.assertTrue('free' in val)
              self.assertTrue('use' in val)
              self.assertTrue('filesystem' in val)
  
  
subject: Add disk tests