new_contents: # Copyright (c) 2016 Mirantis, 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 ddt
  import six
  from tempest.lib import exceptions
  
  from ironicclient.tests.functional.osc.v1 import base
  
  
  @ddt.ddt
  class BaremetalNodeCreateNegativeTests(base.TestCase):
      """Negative tests for node create command."""
  
      def setUp(self):
          super(BaremetalNodeCreateNegativeTests, self).setUp()
  
      @staticmethod
      def constuct_cmd(base_cmd, argument, value):
          cmd = base_cmd
          if argument:
              cmd = '{0} {1} {2}'.format(cmd, argument, value)
          return cmd
  
      @ddt.data(
          ('--uuid', '', 'expected one argument'),
          ('--uuid', '!@#$^*&%^', 'Expected a UUID'),
          ('--uuid', '0000 0000', 'unrecognized arguments'),
          ('--driver-info', '', 'expected one argument'),
          ('--driver-info', 'some info', 'unrecognized arguments'),
          ('--property', '', 'expected one argument'),
          ('--property', 'some property', 'unrecognized arguments'),
          ('--extra', '', 'expected one argument'),
          ('--extra', 'some extra', 'unrecognized arguments'),
          ('--name', '', 'expected one argument'),
          ('--name', 'some name', 'unrecognized arguments'),
          ('--network-interface', '', 'expected one argument'),
          ('--resource-class', '', 'expected one argument'))
      @ddt.unpack
      def test_baremetal_node_create(self, argument, value, ex_text):
          base_cmd = 'baremetal node create --driver fake'
          command = self.constuct_cmd(base_cmd, argument, value)
          six.assertRaisesRegex(self, exceptions.CommandFailed, ex_text,
                                self.openstack, command)
  
subject: Add negative test-cases for openstack node create command