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# Copyright 2015 IBM Corp.
#
# 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.
import mock
import testtools
import pypowervm.entities as ent
from pypowervm.tasks import memory
import pypowervm.tests.test_fixtures as fx
from pypowervm.wrappers import job
class TestMemory(testtools.TestCase):
"""Unit Tests for Memory tasks."""
def setUp(self):
super(TestMemory, self).setUp()
entry = ent.Entry({}, ent.Element('Dummy', None), None)
self.mock_job = job.Job(entry)
self.adpt = self.useFixture(fx.AdapterFx()).adpt
@mock.patch('pypowervm.wrappers.job.Job.wrap')
@mock.patch('pypowervm.wrappers.job.Job.run_job')
@mock.patch('pypowervm.wrappers.job.Job.create_job_parameter')
@mock.patch('pypowervm.wrappers.job.Job.get_job_results_as_dict')
def test_calculate_memory_overhead_on_host(self, mock_job_dict_res,
mock_job_p,
mock_run_job,
mock_job_w):
"""Performs a simple set of calculate_memory_overhead_on_host tests."""
def _reset_mocks():
mock_job_w.reset_mock()
mock_job_p.reset_mock()
mock_run_job.reset_mock()
mock_job_dict_res.reset_mock()
def raise_exc_se():
raise Exception
mock_job_w.return_value = self.mock_job
mock_host_uuid = '1234'
args = ['ManagedSystem', mock_host_uuid]
kwargs = {'suffix_type': 'do', 'suffix_parm': ('QueryReservedMemory'
'RequiredForPartition')}
# test empty job results dictionary with defaults
mock_job_dict_res.return_value = {'RequiredMemory': None,
'CurrentAvailableSystemMemory': None}
overhead, avail = (memory.
calculate_memory_overhead_on_host(self.adpt,
mock_host_uuid))
self.adpt.read.assert_called_once_with(*args, **kwargs)
self.assertEqual(1, mock_job_w.call_count)
self.assertEqual(6, mock_job_p.call_count)
self.assertEqual(1, mock_run_job.call_count)
self.assertEqual(1, mock_job_dict_res.call_count)
self.assertEqual(512, overhead)
self.assertEqual(None, avail)
_reset_mocks()
# test with desired mem and non empty job results dict
mock_job_dict_res.return_value = {'RequiredMemory': 1024,
'CurrentAvailableSystemMemory':
32768}
reserved_mem_data = {'desired_mem': 768, 'num_virt_eth_adapters': 2}
kwargs2 = {'reserved_mem_data': reserved_mem_data}
overhead, avail = (memory.
calculate_memory_overhead_on_host(self.adpt,
mock_host_uuid,
**kwargs2))
self.assertEqual(6, mock_job_p.call_count)
self.assertEqual((1024-768), overhead)
self.assertEqual(32768, avail)
_reset_mocks()
# test defaults when run_job fails
mock_run_job.side_effect = raise_exc_se
overhead, avail = (memory.
calculate_memory_overhead_on_host(self.adpt,
mock_host_uuid))
mock_job_p.assert_any_call('LogicalPartitionEnvironment',
'AIX/Linux')
mock_job_p.assert_any_call('DesiredMemory', '512')
mock_job_p.assert_any_call('MaximumMemory', '32768')
mock_job_p.assert_any_call('NumberOfVirtualEthernetAdapter', '2')
mock_job_p.assert_any_call('NumberOfVirtualSCSIAdapter', '1')
mock_job_p.assert_any_call('NumberOfVirtualFibreChannelAdapter', '1')
self.assertEqual(512, overhead)
self.assertEqual(None, avail)
self.assertEqual(0, mock_job_dict_res.call_count)
_reset_mocks()
# test reserved_mem_data values are created as job params
reserved_mem_data = {'desired_mem': 2048,
'max_mem': 65536,
'lpar_env': 'OS400',
'num_virt_eth_adapters': 4,
'num_vscsi_adapters': 5,
'num_vfc_adapters': 6}
kwargs3 = {'reserved_mem_data': reserved_mem_data}
overhead, avail = (memory.
calculate_memory_overhead_on_host(self.adpt,
mock_host_uuid,
**kwargs3))
mock_job_p.assert_any_call('LogicalPartitionEnvironment',
'OS400')
mock_job_p.assert_any_call('DesiredMemory', '2048')
mock_job_p.assert_any_call('MaximumMemory', '65536')
mock_job_p.assert_any_call('NumberOfVirtualEthernetAdapter', '4')
mock_job_p.assert_any_call('NumberOfVirtualSCSIAdapter', '5')
mock_job_p.assert_any_call('NumberOfVirtualFibreChannelAdapter', '6')
self.assertEqual(512, overhead)
self.assertEqual(None, avail)
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