old_contents: # Copyright 2014 Red Hat, Inc.
  #
  #    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 os
  import subprocess
  import tempfile
  
  from oslotest import base
  
  
  class ScriptTestBase(base.BaseTestCase):
      def setUp(self):
          super(ScriptTestBase, self).setUp()
          self.tmpdir = tempfile.mkdtemp()
          self.env = os.environ.copy()
          self.env['PATH'] = self.tmpdir + ':' + self.env['PATH']
  
      def _stub_script(self, name, contents):
          filename = os.path.join(self.tmpdir, name)
          with open(filename, 'w') as f:
              f.write('#!/bin/bash\n')
              f.write(contents)
              f.write('\n')
          os.chmod(filename, 0o700)
  
      def _run_command(self, cmd):
          try:
              return subprocess.check_output(cmd,
                                             stderr=subprocess.STDOUT,
                                             env=self.env)
          # NOTE(bnemec): If we don't handle this exception, all we get is the
          # exit code if the command fails.
          except subprocess.CalledProcessError as e:
              self.fail(e.output)
  
new_contents: # Copyright 2014 Red Hat, Inc.
  #
  #    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 os
  import subprocess
  import tempfile
  
  from oslotest import base
  
  
  class ScriptTestBase(base.BaseTestCase):
      def setUp(self):
          super(ScriptTestBase, self).setUp()
          self.tmpdir = tempfile.mkdtemp()
          self.env = os.environ.copy()
          self.env['PATH'] = self.tmpdir + ':' + self.env['PATH']
  
      def _stub_script(self, name, contents):
          filename = os.path.join(self.tmpdir, name)
          with open(filename, 'w') as f:
              f.write('#!/bin/bash\n')
              f.write(contents)
              f.write('\n')
          os.chmod(filename, 0o700)
  
      def _run_command(self, cmd):
          try:
              return subprocess.check_output(cmd,
                                             stderr=subprocess.STDOUT,
                                             env=self.env).decode('utf-8')
          # NOTE(bnemec): If we don't handle this exception, all we get is the
          # exit code if the command fails.
          except subprocess.CalledProcessError as e:
              self.fail(e.output)
  
subject: Fix unit tests in python3