text: import unittest
  
  from kafka.tools.protocol.help import show_help
  
  
  class FakeRequest:
      cmd = "FakeRequest"
      help_string = "Show help for FakeRequest"
  
  
  class HelpTests(unittest.TestCase):
      def setUp(self):
          self.request_classes = {
              'fakerequest': {
                  0: FakeRequest
              }
          }
          self.request_cmds = {
              'fakerequest': FakeRequest,
              'fakerequestv0': FakeRequest,
          }
  
      def test_help_general(self):
          # As this is only designed to output, we just want to make sure it doesn't fail
          show_help(self.request_classes, self.request_cmds, [])
          assert True
  
      def test_help_show_cmd(self):
          show_help(self.request_classes, self.request_cmds, ['fakerequest'])
          assert True
  
      def test_help_bad_cmd(self):
          show_help(self.request_classes, self.request_cmds, ['badrequest'])
          assert True
  