nova/nova/tests/pci/test_pci_stats.py

134 lines
4.8 KiB
Python

# Copyright (c) 2012 OpenStack Foundation
# 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 exception
from nova import objects
from nova.openstack.common import jsonutils
from nova.pci import pci_stats as pci
from nova import test
fake_pci_1 = {
'compute_node_id': 1,
'address': '0000:00:00.1',
'product_id': 'p1',
'vendor_id': 'v1',
'status': 'available',
'extra_k1': 'v1',
}
fake_pci_2 = dict(fake_pci_1, vendor_id='v2',
product_id='p2',
address='0000:00:00.2')
fake_pci_3 = dict(fake_pci_1, address='0000:00:00.3')
pci_requests = [{'count': 1,
'spec': [{'vendor_id': 'v1'}]},
{'count': 1,
'spec': [{'vendor_id': 'v2'}]}]
pci_requests_multiple = [{'count': 1,
'spec': [{'vendor_id': 'v1'}]},
{'count': 3,
'spec': [{'vendor_id': 'v2'}]}]
class PciDeviceStatsTestCase(test.NoDBTestCase):
def _create_fake_devs(self):
self.fake_dev_1 = objects.PciDevice.create(fake_pci_1)
self.fake_dev_2 = objects.PciDevice.create(fake_pci_2)
self.fake_dev_3 = objects.PciDevice.create(fake_pci_3)
map(self.pci_stats.add_device,
[self.fake_dev_1, self.fake_dev_2, self.fake_dev_3])
def setUp(self):
super(PciDeviceStatsTestCase, self).setUp()
self.pci_stats = pci.PciDeviceStats()
self._create_fake_devs()
def test_add_device(self):
self.assertEqual(len(self.pci_stats.pools), 2)
self.assertEqual(set([d['vendor_id'] for d in self.pci_stats]),
set(['v1', 'v2']))
self.assertEqual(set([d['count'] for d in self.pci_stats]),
set([1, 2]))
def test_remove_device(self):
self.pci_stats.remove_device(self.fake_dev_2)
self.assertEqual(len(self.pci_stats.pools), 1)
self.assertEqual(self.pci_stats.pools[0]['count'], 2)
self.assertEqual(self.pci_stats.pools[0]['vendor_id'], 'v1')
def test_remove_device_exception(self):
self.pci_stats.remove_device(self.fake_dev_2)
self.assertRaises(exception.PciDevicePoolEmpty,
self.pci_stats.remove_device,
self.fake_dev_2)
def test_json_creat(self):
m = jsonutils.dumps(self.pci_stats)
new_stats = pci.PciDeviceStats(m)
self.assertEqual(len(new_stats.pools), 2)
self.assertEqual(set([d['count'] for d in new_stats]),
set([1, 2]))
self.assertEqual(set([d['vendor_id'] for d in new_stats]),
set(['v1', 'v2']))
def test_support_requests(self):
self.assertEqual(self.pci_stats.support_requests(pci_requests),
True)
self.assertEqual(len(self.pci_stats.pools), 2)
self.assertEqual(set([d['count'] for d in self.pci_stats]),
set((1, 2)))
def test_support_requests_failed(self):
self.assertEqual(
self.pci_stats.support_requests(pci_requests_multiple), False)
self.assertEqual(len(self.pci_stats.pools), 2)
self.assertEqual(set([d['count'] for d in self.pci_stats]),
set([1, 2]))
def test_apply_requests(self):
self.pci_stats.apply_requests(pci_requests)
self.assertEqual(len(self.pci_stats.pools), 1)
self.assertEqual(self.pci_stats.pools[0]['vendor_id'], 'v1')
self.assertEqual(self.pci_stats.pools[0]['count'], 1)
def test_apply_requests_failed(self):
self.assertRaises(exception.PciDeviceRequestFailed,
self.pci_stats.apply_requests,
pci_requests_multiple)
def test_consume_requests(self):
devs = self.pci_stats.consume_requests(pci_requests)
self.assertEqual(2, len(devs))
self.assertEqual(set(['v1', 'v2']),
set([dev['vendor_id'] for dev in devs]))
def test_consume_requests_empty(self):
devs = self.pci_stats.consume_requests([])
self.assertEqual(0, len(devs))
def test_consume_requests_failed(self):
self.assertRaises(exception.PciDeviceRequestFailed,
self.pci_stats.consume_requests,
pci_requests_multiple)