text: # Copyright 2014: Mirantis Inc.
  # 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.
  
  import difflib
  import os
  
  from oslo_utils import encodeutils
  
  import rally
  from rally.cli import cliutils
  from tests.unit import test
  
  RES_PATH = os.path.join(os.path.dirname(rally.__file__), os.pardir, "etc")
  
  
  class BashCompletionTestCase(test.TestCase):
      def test_bash_completion(self):
          old = open(os.path.join(RES_PATH,
                     "rally.bash_completion"), "r").read().splitlines()
          new = cliutils._generate_bash_completion_script().splitlines()
          if old != new:
              for line in difflib.unified_diff(old, new):
                  print(line)
              new_filename = "/tmp/rally.bash.new"
              with open(new_filename, "wb") as new_file:
                  new_file.write(encodeutils.safe_encode("\n".join(new)))
              self.fail("bash completion script is outdated. "
                        "New script is located at %s "
                        "You may fix this by executing "
                        "`mv %s etc/rally.bash_completion`" % (new_filename,
                                                               new_filename))
  