old_contents: # Copyright 2016 PerfKitBenchmarker Authors. All rights reserved.
  #
  # 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.
  
  """Test that we can generate help for PKB."""
  
  import os
  import unittest
  
  from perfkitbenchmarker import flags
  # Import pkb to add all flag definitions to flags.FLAGS.
  from perfkitbenchmarker import pkb  # NOQA
  
  
  class HelpTest(unittest.TestCase):
    def testHelp(self):
      # Test that help generation finishes without errors
      flags.FLAGS.GetHelp()
  
  
  class HelpXMLTest(unittest.TestCase):
    def testHelpXML(self):
      with open(os.devnull, 'w') as out:
        flags.FLAGS.WriteHelpInXMLFormat(outfile=out)
  
  
  if __name__ == '__main__':
    unittest.main()
  
new_contents: # Copyright 2016 PerfKitBenchmarker Authors. All rights reserved.
  #
  # 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.
  
  """Test that we can generate help for PKB."""
  
  import os
  import unittest
  
  from perfkitbenchmarker import flags
  # Import pkb to add all flag definitions to flags.FLAGS.
  from perfkitbenchmarker import pkb  # NOQA
  
  
  class HelpTest(unittest.TestCase):
    def testHelp(self):
      # Test that help generation finishes without errors
      if hasattr(flags.FLAGS, 'get_help'):
        flags.FLAGS.get_help()
      else:
        flags.FLAGS.GetHelp()
  
  
  class HelpXMLTest(unittest.TestCase):
    def testHelpXML(self):
      with open(os.devnull, 'w') as out:
        flags.FLAGS.WriteHelpInXMLFormat(outfile=out)
  
  
  if __name__ == '__main__':
    unittest.main()
  
subject: Call FLAGS.get_help if it's available.