nova/nova/tests/unit/virt/powervm/test_host.py

63 lines
2.4 KiB
Python

# Copyright 2016 IBM Corp.
#
# 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 mock
from pypowervm.wrappers import managed_system as pvm_ms
from nova import test
from nova.virt.powervm import host as pvm_host
class TestPowerVMHost(test.NoDBTestCase):
def test_host_resources(self):
# Create objects to test with
ms_wrapper = mock.create_autospec(pvm_ms.System, spec_set=True)
asio = mock.create_autospec(pvm_ms.ASIOConfig, spec_set=True)
ms_wrapper.configure_mock(
proc_units_configurable=500,
proc_units_avail=500,
memory_configurable=5242880,
memory_free=5242752,
memory_region_size='big',
asio_config=asio)
self.flags(host='the_hostname')
# Run the actual test
stats = pvm_host.build_host_resource_from_ms(ms_wrapper)
self.assertIsNotNone(stats)
# Check for the presence of fields
fields = (('vcpus', 500), ('vcpus_used', 0),
('memory_mb', 5242880), ('memory_mb_used', 128),
'hypervisor_type', 'hypervisor_version',
('hypervisor_hostname', 'the_hostname'), 'cpu_info',
'supported_instances', 'stats')
for fld in fields:
if isinstance(fld, tuple):
value = stats.get(fld[0], None)
self.assertEqual(value, fld[1])
else:
value = stats.get(fld, None)
self.assertIsNotNone(value)
# Check for individual stats
hstats = (('proc_units', '500.00'), ('proc_units_used', '0.00'))
for stat in hstats:
if isinstance(stat, tuple):
value = stats['stats'].get(stat[0], None)
self.assertEqual(value, stat[1])
else:
value = stats['stats'].get(stat, None)
self.assertIsNotNone(value)