text: # Copyright 2014 Intel Corporation
  # 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.
  
  from nova import context
  from nova import exception
  from nova import objects
  from nova.pci import device
  from nova import test
  
  
  dev_dict = {
      'created_at': None,
      'updated_at': None,
      'deleted_at': None,
      'deleted': None,
      'id': 1,
      'compute_node_id': 1,
      'address': 'a',
      'vendor_id': 'v',
      'product_id': 'p',
      'numa_node': 1,
      'dev_type': 't',
      'status': 'available',
      'dev_id': 'i',
      'label': 'l',
      'instance_uuid': None,
      'extra_info': '{}',
      'request_id': None,
      }
  
  
  class PciDeviceTestCase(test.TestCase):
      def setUp(self):
          super(PciDeviceTestCase, self).setUp()
          self.ctxt = context.get_admin_context()
          self.inst = objects.Instance()
          self.inst.uuid = 'fake-inst-uuid'
          self.inst.pci_devices = objects.PciDeviceList()
          self.devobj = objects.PciDevice._from_db_object(
              self.ctxt,
              objects.PciDevice(),
              dev_dict)
  
      def test_claim_device(self):
          device.claim(self.devobj, self.inst)
          self.assertEqual(self.devobj.status, 'claimed')
          self.assertEqual(self.devobj.instance_uuid,
                           self.inst.uuid)
          self.assertEqual(len(self.inst.pci_devices), 0)
  
      def test_claim_device_fail(self):
          self.devobj.status = 'allocated'
          self.assertRaises(exception.PciDeviceInvalidStatus,
                            device.claim, self.devobj, self.inst)
  
      def test_allocate_device(self):
          device.claim(self.devobj, self.inst)
          device.allocate(self.devobj, self.inst)
          self.assertEqual(self.devobj.status, 'allocated')
          self.assertEqual(self.devobj.instance_uuid, 'fake-inst-uuid')
          self.assertEqual(len(self.inst.pci_devices), 1)
          self.assertEqual(self.inst.pci_devices[0]['vendor_id'], 'v')
          self.assertEqual(self.inst.pci_devices[0]['status'], 'allocated')
  
      def test_allocacte_device_fail_status(self):
          self.devobj.status = 'removed'
          self.assertRaises(exception.PciDeviceInvalidStatus,
                            device.allocate,
                            self.devobj,
                            self.inst)
  
      def test_allocacte_device_fail_owner(self):
          inst_2 = objects.Instance()
          inst_2.uuid = 'fake-inst-uuid-2'
          device.claim(self.devobj, self.inst)
          self.assertRaises(exception.PciDeviceInvalidOwner,
                            device.allocate,
                            self.devobj, inst_2)
  
      def test_free_claimed_device(self):
          device.claim(self.devobj, self.inst)
          device.free(self.devobj, self.inst)
          self.assertEqual(self.devobj.status, 'available')
          self.assertIsNone(self.devobj.instance_uuid)
  
      def test_free_allocated_device(self):
          device.claim(self.devobj, self.inst)
          device.allocate(self.devobj, self.inst)
          self.assertEqual(len(self.inst.pci_devices), 1)
          device.free(self.devobj, self.inst)
          self.assertEqual(len(self.inst.pci_devices), 0)
          self.assertEqual(self.devobj.status, 'available')
          self.assertIsNone(self.devobj.instance_uuid)
  
      def test_free_device_fail(self):
          self.devobj.status = 'removed'
          self.assertRaises(exception.PciDeviceInvalidStatus,
                            device.free, self.devobj)
  
      def test_remove_device(self):
          device.remove(self.devobj)
          self.assertEqual(self.devobj.status, 'removed')
          self.assertIsNone(self.devobj.instance_uuid)
  
      def test_remove_device_fail(self):
          device.claim(self.devobj, self.inst)
          self.assertRaises(exception.PciDeviceInvalidStatus,
                            device.remove, self.devobj)
  