text: # Copyright (c) 2016-2017 Intel Corporation
  #
  # 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.
  #
  
  # Unittest for yardstick.network_services.utils
  
  from __future__ import absolute_import
  
  import os
  import unittest
  import mock
  
  from yardstick.network_services import utils
  
  
  class UtilsTestCase(unittest.TestCase):
      """Test all VNF helper methods."""
  
      DPDK_PATH = os.path.join(utils.NSB_ROOT, "dpdk-devbind.py")
  
      def setUp(self):
          super(UtilsTestCase, self).setUp()
  
      def test_get_nsb_options(self):
          result = utils.get_nsb_option("bin_path", None)
          self.assertEqual(result, utils.NSB_ROOT)
  
      def test_get_nsb_option_is_invalid_key(self):
          result = utils.get_nsb_option("bin", None)
          self.assertEqual(result, None)
  
      def test_get_nsb_option_default(self):
          default = object()
          result = utils.get_nsb_option("nosuch", default)
          self.assertIs(result, default)
  
      def test_provision_tool(self):
          with mock.patch("yardstick.ssh.SSH") as ssh:
              ssh_mock = mock.Mock(autospec=ssh.SSH)
              ssh_mock.execute = \
                  mock.Mock(return_value=(0, self.DPDK_PATH, ""))
              ssh.return_value = ssh_mock
              tool_path = utils.provision_tool(ssh_mock, self.DPDK_PATH)
              self.assertEqual(tool_path, self.DPDK_PATH)
  
      def test_provision_tool_no_path(self):
          with mock.patch("yardstick.ssh.SSH") as ssh:
              ssh_mock = mock.Mock(autospec=ssh.SSH)
              ssh_mock.execute = \
                  mock.Mock(return_value=(1, self.DPDK_PATH, ""))
              ssh.return_value = ssh_mock
              tool_path = utils.provision_tool(ssh_mock, self.DPDK_PATH)
              self.assertEqual(tool_path, self.DPDK_PATH)
  