old_contents: # vim: tabstop=4 shiftwidth=4 softtabstop=4
  
  # Copyright 2011 OpenStack, LLC
  # 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 optparse
  import tempfile
  import unittest
  
  from glance.common import config
  
  
  class TestConfig(unittest.TestCase):
  
      def test_common_options(self):
          parser = optparse.OptionParser()
          self.assertEquals(0, len(parser.option_groups))
          config.add_common_options(parser)
          self.assertEquals(1, len(parser.option_groups))
  
          expected_options = ['--verbose', '--debug', '--config-file']
          for e in expected_options:
              self.assertTrue(parser.option_groups[0].get_option(e),
                              "Missing required common option: %s" % e)
  
      def test_parse_options(self):
          # test empty args and that parse_options() returns a mapping
          # of typed values
          parser = optparse.OptionParser()
          config.add_common_options(parser)
          parsed_options, args = config.parse_options(parser)
  
          expected_options = {'verbose': False, 'debug': False,
                              'config_file': None}
          self.assertEquals(expected_options, parsed_options)
  
          # test non-empty args and that parse_options() returns a mapping
          # of typed values matching supplied args
          parser = optparse.OptionParser()
          config.add_common_options(parser)
          parsed_options, args = config.parse_options(parser, ['--verbose'])
  
          expected_options = {'verbose': True, 'debug': False,
                              'config_file': None}
          self.assertEquals(expected_options, parsed_options)
  
          # test non-empty args that contain unknown options raises
          # a SystemExit exception. Not ideal, but unfortunately optparse
          # raises a sys.exit() when it runs into an error instead of raising
          # something a bit more useful for libraries. optparse must have been
          # written by the same group that wrote unittest ;)
          parser = optparse.OptionParser()
          config.add_common_options(parser)
          self.assertRaises(SystemExit, config.parse_options,
                            parser, ['--unknown'])
  
new_contents: # vim: tabstop=4 shiftwidth=4 softtabstop=4
  
  # Copyright 2011 OpenStack, LLC
  # 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 optparse
  import tempfile
  import unittest
  
  from glance.common import config
  
  
  class TestConfig(unittest.TestCase):
  
      def test_common_options(self):
          parser = optparse.OptionParser()
          self.assertEquals(0, len(parser.option_groups))
          config.add_common_options(parser)
          self.assertEquals(1, len(parser.option_groups))
  
          expected_options = ['--verbose', '--debug', '--config-file']
          for e in expected_options:
              self.assertTrue(parser.option_groups[0].get_option(e),
                              "Missing required common option: %s" % e)
  
      def test_parse_options(self):
          # test empty args and that parse_options() returns a mapping
          # of typed values
          parser = optparse.OptionParser()
          config.add_common_options(parser)
          parsed_options, args = config.parse_options(parser, [])
  
          expected_options = {'verbose': False, 'debug': False,
                              'config_file': None}
          self.assertEquals(expected_options, parsed_options)
  
          # test non-empty args and that parse_options() returns a mapping
          # of typed values matching supplied args
          parser = optparse.OptionParser()
          config.add_common_options(parser)
          parsed_options, args = config.parse_options(parser, ['--verbose'])
  
          expected_options = {'verbose': True, 'debug': False,
                              'config_file': None}
          self.assertEquals(expected_options, parsed_options)
  
          # test non-empty args that contain unknown options raises
          # a SystemExit exception. Not ideal, but unfortunately optparse
          # raises a sys.exit() when it runs into an error instead of raising
          # something a bit more useful for libraries. optparse must have been
          # written by the same group that wrote unittest ;)
          parser = optparse.OptionParser()
          config.add_common_options(parser)
          self.assertRaises(SystemExit, config.parse_options,
                            parser, ['--unknown'])
  
subject: make it independent on sys.argv