8f6cb9fd23
All the flake8 issues have been resolved with this commit. Change-Id: I637f82c484b3dbecc4827731a13f79c2ba2b9240 Closes-Bug: #1346759
701 lines
29 KiB
Python
701 lines
29 KiB
Python
# Copyright 2014 IBM Corp.
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import sys
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import mock
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import testtools
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import threading
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import os
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from nova import exception
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os.environ['EVENTLET_NO_GREENDNS'] = 'yes'
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from nova import test
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from nova.openstack.common import jsonutils
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from nova.compute import task_states
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from nova.image import glance
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from nova import db
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from novaclient import exceptions
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import unittest
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from powervc import utils as powervc_utils
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sys.modules['powervc.common.client'] = mock.MagicMock()
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from mock import MagicMock
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from powervc.nova.driver.virt.powervc.service import PowerVCService
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from powervc.nova.driver.virt.powervc.driver import PowerVCDriver
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from powervc.nova.driver.virt.powervc.driver import CONF as driver_conf
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from powervc.nova.driver.virt.powervc import pvc_vm_states
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from test.fake_pvc_instance import FakePVCInstance
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from test.fake_os_instance import FakeOSInstance
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from powervc.nova.driver.compute import constants
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from nova.exception import MigrationPreCheckError as mpcError
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from nova.exception import Invalid
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pvcIns = FakePVCInstance()
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hostname = '789523X_10421DB'
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def _change_state(ins, status):
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ins.status = status
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class FakeClient(object):
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def __init__(self):
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pass
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class FakeHostStat(object):
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stat = dict()
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def __init__(self):
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self.stat['vcpus'] = 8.5
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self.stat['vcpus_used'] = 1
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self.stat['local_gb'] = 1024
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self.stat['local_gb_used'] = 1024 - 500
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self.stat['proc_units_reserved'] = 0
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self.stat['memory_mb'] = 1000
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self.stat['memory_mb_reserved'] = 0
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self.stat['memory_mb_used'] = 500
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self.stat['disk_available_least'] = 50
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self.stat['hypervisor_type'] = 'powervm'
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self.stat['hypervisor_version'] = 7
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self.stat['cpu_info'] = 'powervm'
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self.stat['hypervisor_hostname'] = hostname
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self.stat['supported_instances'] = \
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jsonutils.dumps(constants.POWERVC_SUPPORTED_INSTANCES)
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class Server():
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def __init__(self, status):
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self.status = status
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self.id = '98765'
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self.metadata = dict()
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class Volume():
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def __init__(self):
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self.metadata = dict()
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self.metadata['pvc:id'] = 'pvc_volume_id'
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class Attachment():
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def __init__(self):
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self.volumeId = 'pvc_volume_id'
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class PowerVCDriverTestCase(test.NoDBTestCase):
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def save_before_patch(self):
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self.pvcsvc_init_copy = PowerVCService.__init__
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self.pvcsvc_get_server_copy = PowerVCService._get_server
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self.pvcsvc_get_pvcserver_copy = PowerVCService._get_pvcserver
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self.pvcdrv_init_copy = PowerVCDriver.__init__
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def patch(self):
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PowerVCService.__init__ = MagicMock(return_value=None)
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PowerVCService._get_server = MagicMock(return_value=pvcIns)
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PowerVCService._get_pvcserver = MagicMock(return_value=pvcIns)
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PowerVCDriver.__init__ = MagicMock(return_value=None)
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def unpatch(self):
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PowerVCService.__init__ = self.pvcsvc_init_copy
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PowerVCService._get_server = self.pvcsvc_get_server_copy
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PowerVCService._get_pvcserver = self.pvcsvc_get_pvcserver_copy
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PowerVCDriver.__init__ = self.pvcdrv_init_copy
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def setUp(self):
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super(PowerVCDriverTestCase, self).setUp()
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self.save_before_patch()
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self.patch()
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self._driver = PowerVCDriver()
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self._driver._service = PowerVCService(FakeClient())
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self._driver._service.longrun_loop_interval = 1
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self._driver._service.longrun_initial_delay = 1
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self._driver._service._manager = MagicMock()
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self._driver._service._manager.get = \
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MagicMock(return_value=pvcIns)
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self._driver._service._validate_response = MagicMock()
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glance.get_default_image_service = MagicMock()
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self.pvc_id = 123456789
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self._driver.hostname = hostname
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pvcIns.__dict__["OS-EXT-SRV-ATTR:host"] = "source_host_name"
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def test_power_on_active_instance(self):
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# Test an already ACTIVE instance.
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pvcIns.status = pvc_vm_states.ACTIVE
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self._driver.power_on(None, pvcIns, None)
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self.assertEqual(pvc_vm_states.ACTIVE, pvcIns.status,
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"Tested power on an ACTIVE instance.")
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def test_power_on_shutoff_instance(self):
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# Test an OFF instance"
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pvcIns.status = pvc_vm_states.SHUTOFF
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# Use a timer to change the status later.
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timer = threading.Timer(1, _change_state,
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[pvcIns, pvc_vm_states.ACTIVE])
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timer.start()
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self._driver.power_on(None, pvcIns, None)
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timer.cancel()
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self.assertEqual(pvc_vm_states.ACTIVE, pvcIns.status,
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"Tested power on a SHUTOFF instance.")
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def test_power_off_shutoff_instance(self):
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# Test an OFF instance.
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pvcIns.status = pvc_vm_states.SHUTOFF
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self._driver.power_off(pvcIns)
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self.assertEqual(pvc_vm_states.SHUTOFF, pvcIns.status,
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"Tested power off an SHUTOFF instance.")
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def test_power_off_active_instance(self):
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# Test power off an active instance.
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pvcIns.status = pvc_vm_states.ACTIVE
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timer = threading.Timer(1, _change_state,
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[pvcIns, pvc_vm_states.SHUTOFF])
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timer.start()
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self._driver.power_off(pvcIns)
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timer.cancel()
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self.assertEqual(pvc_vm_states.SHUTOFF, pvcIns.status,
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"Tested power off an SHUTOFF instance.")
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def test_get_available_resource(self):
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fake_hypervisor = MagicMock()
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fake_hypervisor_info = FakeHostStat().stat
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fake_hypervisor._info = fake_hypervisor_info
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self._driver.get_hypervisor_by_hostname = \
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MagicMock(return_value=fake_hypervisor)
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stats = self._driver.get_available_resource(None)
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int_fake_vcpu = int(fake_hypervisor_info['vcpus'])
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self.assertEqual(stats['vcpus'], int_fake_vcpu)
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self.assertEqual(stats['local_gb'], fake_hypervisor_info['local_gb'])
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fake_local_gb_used = fake_hypervisor_info['local_gb_used']
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self.assertEqual(stats['local_gb_used'], fake_local_gb_used)
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self.assertEqual(stats['memory_mb'], fake_hypervisor_info['memory_mb'])
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fake_memory_mb_used = fake_hypervisor_info['memory_mb_used']
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self.assertEqual(stats['memory_mb_used'], fake_memory_mb_used)
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fake_hypervisor_type = fake_hypervisor_info['hypervisor_type']
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self.assertEqual(stats['hypervisor_type'], fake_hypervisor_type)
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fake_hypervisor_version = fake_hypervisor_info['hypervisor_version']
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self.assertEqual(stats['hypervisor_version'], fake_hypervisor_version)
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self.assertEqual(stats['hypervisor_hostname'], self._driver.hostname)
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self.assertEqual(stats['supported_instances'], jsonutils.dumps(
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constants.POWERVC_SUPPORTED_INSTANCES))
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def test_get_available_resource_memory_disc(self):
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fake_hypervisor = MagicMock()
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fake_hypervisor_info = FakeHostStat().stat
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fake_hypervisor._info = fake_hypervisor_info
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fake_hypervisor_info['proc_units_reserved'] = 3
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fake_hypervisor_info['memory_mb_reserved'] = 50
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self._driver.get_hypervisor_by_hostname = \
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MagicMock(return_value=fake_hypervisor)
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stats = self._driver.get_available_resource(None)
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fake_hypervisor._info = fake_hypervisor_info
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vcpu_expected = int(fake_hypervisor_info['vcpus'] -
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fake_hypervisor_info['proc_units_reserved'])
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self.assertEqual(stats['vcpus'], vcpu_expected)
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memory_expected = int(fake_hypervisor_info['memory_mb'] -
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fake_hypervisor_info['memory_mb_reserved'])
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self.assertEqual(stats['memory_mb'], memory_expected)
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def test_check_can_live_migrate_source(self):
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pass
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def test_check_can_live_migrate_destination_cleanup(self):
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pass
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def test_check_can_live_migrate_destination_no_instance(self):
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os_instance = FakeOSInstance()
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service = self._driver._service
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service.get_instance = MagicMock(return_value=None)
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cclmd = self._driver.check_can_live_migrate_destination
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dest_compute_info = FakeHostStat().stat
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self.assertRaises(mpcError, cclmd, None,
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os_instance, None, dest_compute_info)
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def test_check_can_live_migrate_destination_invalid_state(self):
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os_instance = FakeOSInstance()
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pvc_instance = FakePVCInstance()
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service = self._driver._service
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service.get_instance = MagicMock(return_value=pvc_instance)
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cclmd = self._driver.check_can_live_migrate_destination
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dest_compute_info = FakeHostStat().stat
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service._is_live_migration_valid = MagicMock(return_value=False)
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self.assertRaises(mpcError, cclmd, None,
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os_instance, None, dest_compute_info)
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def test_check_can_live_migrate_destination_block_migration(self):
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os_instance = FakeOSInstance()
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pvc_instance = FakePVCInstance()
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service = self._driver._service
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service.get_instance = MagicMock(return_value=pvc_instance)
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cclmd = self._driver.check_can_live_migrate_destination
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dest_compute_info = FakeHostStat().stat
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service._is_live_migration_valid = MagicMock(return_value=True)
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self.assertRaises(mpcError, cclmd, None,
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os_instance, None,
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dest_compute_info, block_migration=True)
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def test_check_can_live_migrate_destination_disc_over_commit(self):
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os_instance = FakeOSInstance()
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pvc_instance = FakePVCInstance()
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service = self._driver._service
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service.get_instance = MagicMock(return_value=pvc_instance)
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cclmd = self._driver.check_can_live_migrate_destination
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dest_compute_info = FakeHostStat().stat
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service._is_live_migration_valid = MagicMock(return_value=True)
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self.assertRaises(mpcError, cclmd, None,
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os_instance, None,
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dest_compute_info, disk_over_commit=True)
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def test__check_defer_placement(self):
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os_instance = FakeOSInstance()
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driver = self._driver
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os_instance.os_instance['metadata']['powervm:defer_placement'] = 'true'
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self.assertTrue(driver._check_defer_placement(os_instance))
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os_instance.os_instance['metadata']['powervm:defer_placement'] = \
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'false'
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self.assertFalse(driver._check_defer_placement(os_instance))
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#if the property is not presented
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del os_instance.os_instance['metadata']['powervm:defer_placement']
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self.assertFalse(driver._check_defer_placement(os_instance))
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def test_check_can_live_migrate_destination_defer_placement(self):
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os_instance = FakeOSInstance()
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pvc_instance = FakePVCInstance()
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service = self._driver._service
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service.get_instance = MagicMock(return_value=pvc_instance)
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cclmd = self._driver.check_can_live_migrate_destination
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dest_compute_info = FakeHostStat().stat
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service._is_live_migration_valid = MagicMock(return_value=True)
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os_instance.os_instance['metadata']['powervm:defer_placement'] = 'true'
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self.assertEquals(dest_compute_info, cclmd(None, os_instance, None,
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dest_compute_info))
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os_instance.os_instance['metadata']['powervm:defer_placement'] = \
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'false'
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service.get_valid_destinations = MagicMock(return_value=[])
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self.assertRaises(Invalid, cclmd, None,
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os_instance, None, dest_compute_info)
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service.get_valid_destinations = \
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MagicMock(return_value=[driver_conf.get('host')])
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self.assertEquals(dest_compute_info, cclmd(None, os_instance, None,
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dest_compute_info))
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def test_live_migrate(self):
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os_instance = FakeOSInstance()
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pvc_instance = FakePVCInstance()
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service = self._driver._service
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service.get_instance = MagicMock(return_value=pvc_instance)
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dest_compute_info = FakeHostStat().stat
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os_instance.os_instance['metadata']['powervm:defer_placement'] = \
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'false'
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recover_method = MagicMock()
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post_method = MagicMock()
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def change_host(server):
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server.__dict__["OS-EXT-SRV-ATTR:host"] = "dest_host_name"
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timer = threading.Timer(1, change_host,
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[pvcIns])
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timer.start()
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self._driver.live_migration(None, os_instance, dest_compute_info,
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post_method, recover_method)
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timer.cancel()
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post_method.assert_called_once_with(None, os_instance,
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dest_compute_info, False, None)
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def test_live_migrate_with_defer(self):
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os_instance = FakeOSInstance()
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pvc_instance = FakePVCInstance()
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service = self._driver._service
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service.get_instance = MagicMock(return_value=pvc_instance)
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dest_compute_info = FakeHostStat().stat
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os_instance.os_instance['metadata']['powervm:defer_placement'] = 'true'
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recover_method = MagicMock()
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post_method = MagicMock()
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def change_host(server):
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server.__dict__["OS-EXT-SRV-ATTR:host"] = "dest_host_name"
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timer = threading.Timer(1, change_host,
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[pvcIns])
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timer.start()
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self._driver.live_migration(None, os_instance, dest_compute_info,
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post_method, recover_method)
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timer.cancel()
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post_method.assert_called_once_with(None, os_instance,
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None, False, None)
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def test_live_migrate_with_recover(self):
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os_instance = FakeOSInstance()
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pvc_instance = FakePVCInstance()
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service = self._driver._service
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service.get_instance = MagicMock(return_value=pvc_instance)
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dest_compute_info = FakeHostStat().stat
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os_instance.os_instance['metadata']['powervm:defer_placement'] = \
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'false'
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recover_method = MagicMock()
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post_method = MagicMock()
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service.live_migrate = MagicMock(side_effect=Exception("Error"))
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self.assertRaises(Exception, self._driver.live_migration,
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None, os_instance, dest_compute_info,
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post_method, recover_method)
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recover_method.assert_called_once_with(None, os_instance,
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dest_compute_info, False, None)
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def test_confirm_migration(self):
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pvc_driver = self._driver
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pvc_driver._service = MagicMock()
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pvc_driver._service.confirm_migration = MagicMock()
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migration = 0
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instance = 0
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network_info = 0
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pvc_driver.confirm_migration(migration, instance, network_info)
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pvc_driver._service.confirm_migration.assert_called_once_with(instance)
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def test_deatch_volumn(self):
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pvc_driver = self._driver
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pvc_driver._service._volumes = MagicMock()
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pvc_driver._service._volumes.delete_server_volume = MagicMock()
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pvc_driver._service._get_pvc_volume_id = MagicMock(return_value=1)
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pvc_driver._service.longrun_loop_interval = 0
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pvc_driver._service.longrun_initial_delay = 0
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pvc_driver._service.max_tries = 2
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#pvc_driver._service.
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connection_info = {"serial": 1}
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metadata = {"pvc_id": 1}
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instance = {"metadata": metadata}
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pvc_driver.detach_volume(connection_info, instance, None)
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PowerVCService._get_pvc_volume_id
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pvc_driver._service._get_pvc_volume_id.assert_called_once_with(1)
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pvc_driver._service._volumes.delete_server_volume.\
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assert_called_once_with(1, 1)
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def test_finish_migration(self):
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pvc_driver = self._driver
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pvc_driver.confirm_migration = MagicMock()
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pvc_driver.power_on = MagicMock()
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pvc_driver._service.resize_instance = MagicMock()
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pvc_driver._service.update_correct_host = MagicMock()
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context = 0
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migration = 0
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instance = 0
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disk_info = 0
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network_info = 0
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image_meta = 0
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resize_instance = True
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block_device_info = 0
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power_on = True
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pvc_driver.finish_migration(context, migration, instance,
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disk_info, network_info, image_meta,
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resize_instance, block_device_info,
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power_on)
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pvc_driver._service.resize_instance.assert_called_once_with(context,
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migration,
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instance,
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image_meta)
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pvc_driver.confirm_migration.assert_called_once_with(None,
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instance, None)
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pvc_driver._service.update_correct_host(context, instance)
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pvc_driver.power_on.assert_called_once_with(context, instance,
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network_info,
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block_device_info)
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def test_snapshot(self):
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pvc_driver = self._driver
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pvc_driver._service.snapshot = MagicMock()
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context = MagicMock()
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instance = 1
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image_id = 1
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update_task_state = MagicMock()
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pvc_driver.snapshot(context, instance, image_id,
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update_task_state)
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update_task_state.assert_any_call(
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task_state=task_states.IMAGE_PENDING_UPLOAD)
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update_task_state.assert_any_call(
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task_state=task_states.IMAGE_UPLOADING,
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expected_state=task_states.IMAGE_PENDING_UPLOAD)
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def tearDown(self):
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super(PowerVCDriverTestCase, self).tearDown()
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self.unpatch()
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class TestDriver(unittest.TestCase):
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def setUp(self):
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def init(self, pvc_client=None):
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pass
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PowerVCDriver.__init__ = init
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PowerVCService.__init__ = init
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self.powervc_driver = PowerVCDriver()
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self.powervc_driver.hypervisor_id = "fake_hypervisor_id_123456"
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self.powervc_driver._service = PowerVCService(None)
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self.powervc_driver._service._manager = mock.MagicMock()
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self.powervc_driver._service._volumes = mock.MagicMock()
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self.powervc_driver._service._cinderclient = mock.MagicMock()
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self.powervc_driver._service.longrun_loop_interval = 2
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self.powervc_driver._service.longrun_initial_delay = 3
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self.powervc_driver._service.max_tries = 3
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def test_spawn_success(self):
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context = None
|
|
instance = self.fake_instance()
|
|
image_meta = self.fake_image_meta()
|
|
injected_files = None
|
|
admin_password = None
|
|
PowerVCDriver._check_defer_placement = \
|
|
mock.MagicMock(return_value=False)
|
|
#mock database operation
|
|
db.flavor_get = mock.MagicMock()
|
|
PowerVCDriver._get_pvc_network_info = mock.MagicMock()
|
|
self.powervc_driver._service.validate_update_scg = mock.MagicMock()
|
|
createdServer = Server(pvc_vm_states.BUILD)
|
|
self.powervc_driver._service._manager.create = \
|
|
mock.MagicMock(return_value=createdServer)
|
|
createFinished = Server(pvc_vm_states.ACTIVE)
|
|
self.powervc_driver._service._manager.get = \
|
|
mock.MagicMock(return_value=createFinished)
|
|
self.powervc_driver._service.\
|
|
_update_local_instance_by_pvc_created_instance = \
|
|
mock.MagicMock()
|
|
self.powervc_driver._clean_vm_and_save_fault_message = \
|
|
mock.MagicMock()
|
|
metadata = dict()
|
|
powervc_utils.fill_metadata_dict_by_pvc_instance = \
|
|
mock.MagicMock(return_value=metadata)
|
|
self.powervc_driver._service.\
|
|
_update_local_instance_by_pvc_created_instance = \
|
|
mock.MagicMock()
|
|
resultServer = self.powervc_driver.spawn(context,
|
|
instance,
|
|
image_meta,
|
|
injected_files,
|
|
admin_password)
|
|
self.assertEquals(createFinished,
|
|
resultServer,
|
|
'success')
|
|
|
|
def test_spawn_instance_invalid_state_exception(self):
|
|
context = None
|
|
instance = self.fake_instance()
|
|
image_meta = self.fake_image_meta()
|
|
injected_files = None
|
|
admin_password = None
|
|
PowerVCDriver._check_defer_placement = \
|
|
mock.MagicMock(return_value=False)
|
|
#mock database operation
|
|
db.flavor_get = mock.MagicMock()
|
|
PowerVCDriver._get_pvc_network_info = mock.MagicMock()
|
|
self.powervc_driver._service.validate_update_scg = \
|
|
mock.MagicMock()
|
|
createdServer = Server('ERROR')
|
|
self.powervc_driver._service._manager.create = \
|
|
mock.MagicMock(return_value=createdServer)
|
|
createFinished = Server(pvc_vm_states.ACTIVE)
|
|
self.powervc_driver._service._manager.get = \
|
|
mock.MagicMock(return_value=createFinished)
|
|
self.powervc_driver._service.\
|
|
_update_local_instance_by_pvc_created_instance = \
|
|
mock.MagicMock()
|
|
self.powervc_driver._clean_vm_and_save_fault_message = \
|
|
mock.MagicMock()
|
|
metadata = dict()
|
|
powervc_utils.fill_metadata_dict_by_pvc_instance = \
|
|
mock.MagicMock(return_value=metadata)
|
|
self.powervc_driver._service.\
|
|
_update_local_instance_by_pvc_created_instance = \
|
|
mock.MagicMock()
|
|
self.assertRaises(exception.InstanceInvalidState,
|
|
self.powervc_driver.spawn,
|
|
context,
|
|
instance,
|
|
image_meta,
|
|
injected_files,
|
|
admin_password)
|
|
|
|
def test_destroy_success(self):
|
|
instance = self.fake_instance_for_destroy()
|
|
context = None
|
|
network_info = None
|
|
self.powervc_driver._service._servers = mock.MagicMock()
|
|
server = Server(pvc_vm_states.ACTIVE)
|
|
self.powervc_driver._service.Server = \
|
|
mock.MagicMock(return_value=server)
|
|
manager_get_server_from_instance = \
|
|
Server(pvc_vm_states.ACTIVE)
|
|
manager_get_server_from_destroy_instance = \
|
|
Server('DELETED')
|
|
setattr(manager_get_server_from_destroy_instance,
|
|
'OS-EXT-STS:task_state', None)
|
|
self.powervc_driver._service._manager.get = \
|
|
mock.MagicMock(
|
|
side_effect=[manager_get_server_from_instance,
|
|
manager_get_server_from_destroy_instance])
|
|
self.powervc_driver._service._manager.delete = \
|
|
mock.MagicMock()
|
|
self.powervc_driver._service._validate_response = \
|
|
mock.MagicMock()
|
|
result = self.powervc_driver.destroy(context,
|
|
instance, network_info)
|
|
self.assertEqual(result, True, "delete success")
|
|
|
|
def test_destroy_not_found_exception(self):
|
|
instance = self.fake_instance_for_destroy()
|
|
context = None
|
|
network_info = None
|
|
self.powervc_driver._service._servers = mock.MagicMock()
|
|
server = Server(pvc_vm_states.ACTIVE)
|
|
self.powervc_driver._service.Server = \
|
|
mock.MagicMock(return_value=server)
|
|
self.powervc_driver._service._manager.get = \
|
|
mock.MagicMock(side_effect=exceptions.NotFound('404'))
|
|
expr = self.powervc_driver.destroy(context,
|
|
instance,
|
|
network_info)
|
|
self.assertTrue(expr, "faild")
|
|
|
|
def test_destroy_instanceTerminationFailure_exception(self):
|
|
instance = self.fake_instance_for_destroy()
|
|
context = None
|
|
network_info = None
|
|
self.powervc_driver._service._servers = mock.MagicMock()
|
|
server = Server(pvc_vm_states.ACTIVE)
|
|
self.powervc_driver._service.Server = \
|
|
mock.MagicMock(return_value=server)
|
|
manager_get_server_from_instance = \
|
|
Server(pvc_vm_states.ACTIVE)
|
|
manager_get_server_from_destroy_instance = Server('ACTIVE')
|
|
setattr(manager_get_server_from_destroy_instance,
|
|
'OS-EXT-STS:task_state', 'active')
|
|
self.powervc_driver._service._manager.get = \
|
|
mock.MagicMock(
|
|
side_effect=[manager_get_server_from_instance,
|
|
manager_get_server_from_destroy_instance])
|
|
self.powervc_driver._service._manager.delete = mock.MagicMock()
|
|
self.powervc_driver._service._validate_response = mock.MagicMock()
|
|
self.assertRaises(exception.InstanceTerminationFailure,
|
|
self.powervc_driver.destroy,
|
|
context,
|
|
instance,
|
|
network_info)
|
|
|
|
def fake_image_meta(self):
|
|
image_meta = dict()
|
|
image_meta['deleted'] = False
|
|
image_meta['id'] = 'image_meta_id'
|
|
properties = dict()
|
|
properties['powervc_uuid'] = 'fake_pvc_uuid'
|
|
image_meta['properties'] = properties
|
|
return image_meta
|
|
|
|
def fake_instance(self):
|
|
instance = dict()
|
|
instance['instance_type_id'] = 'fake_instace_type_id'
|
|
instance['host'] = 'fake_host'
|
|
instance['uuid'] = 'fake_uuid'
|
|
instance['hostname'] = 'fake_host_name'
|
|
meta = dict()
|
|
meta[u'powervm:defer_placement'] = 'true'
|
|
meta['pvc_id'] = 'fake_pvc_id'
|
|
instance['metadata'] = meta
|
|
return instance
|
|
|
|
def fake_instance_for_destroy(self):
|
|
instance = dict()
|
|
instance['instance_type_id'] = 'fake_instace_type_id'
|
|
instance['host'] = 'fake_host'
|
|
instance['uuid'] = 'fake_uuid'
|
|
instance['hostname'] = 'fake_host_name'
|
|
meta = dict()
|
|
meta['key'] = 'pvc_id'
|
|
meta['value'] = 'pvc_key_value'
|
|
instance['metadata'] = [meta]
|
|
return instance
|
|
|
|
|
|
class TestGetInstance(testtools.TestCase):
|
|
"""This is the test fixture for PowerVCDriver.get_instance."""
|
|
|
|
def setUp(self):
|
|
"""Prepare for this test fixture."""
|
|
super(TestGetInstance, self).setUp()
|
|
self.pvc_id = 123456789
|
|
# save before monkey patch
|
|
self.pvcdrv_init_copy = PowerVCDriver.__init__
|
|
|
|
def test_get_instance_found(self):
|
|
"""When get instance find an instance."""
|
|
pvc_svc = mock.MagicMock()
|
|
pvc_svc.get_instance = mock.MagicMock(return_value="an instance")
|
|
|
|
def pvc_drv_init_instance_found(self):
|
|
"""A fake init to replace PowerVCDriver.__init__."""
|
|
self._service = pvc_svc
|
|
|
|
# monkey patch
|
|
PowerVCDriver.__init__ = pvc_drv_init_instance_found
|
|
pvc_drv = PowerVCDriver()
|
|
|
|
self.assertIsNotNone(pvc_drv.get_instance(self.pvc_id))
|
|
|
|
def test_get_instance_not_found(self):
|
|
"""When get instance find nothing."""
|
|
pvc_svc = mock.MagicMock()
|
|
pvc_svc.get_instance = mock.MagicMock(side_effect=
|
|
exceptions.NotFound(0))
|
|
|
|
def pvc_drv_init_instance_not_found(self):
|
|
"""A fake init to replace PowerVCDriver.__init__."""
|
|
self._service = pvc_svc
|
|
|
|
# monkey patch
|
|
PowerVCDriver.__init__ = pvc_drv_init_instance_not_found
|
|
pvc_drv = PowerVCDriver()
|
|
|
|
self.assertIsNone(pvc_drv.get_instance(self.pvc_id))
|
|
|
|
def tearDown(self):
|
|
"""Clean work for this test fixture."""
|
|
super(TestGetInstance, self).tearDown()
|
|
# restore from monkey patch
|
|
PowerVCDriver.__init__ = self.pvcdrv_init_copy
|
|
|
|
|
|
class TestGetInfo(testtools.TestCase):
|
|
"""This is the test fixture for PowerVCDriver.get_info."""
|
|
|
|
def setUp(self):
|
|
"""Prepare for this test fixture."""
|
|
super(TestGetInfo, self).setUp()
|
|
# fake data
|
|
self.os_instance = FakeOSInstance().os_instance
|
|
self.pvc_instance = FakePVCInstance()
|
|
|
|
# save before monkey patch
|
|
pvcdrv_init_copy = PowerVCDriver.__init__
|
|
# monkey patch
|
|
PowerVCDriver.__init__ = mock.MagicMock(return_value=None)
|
|
self.pvc_drv = PowerVCDriver()
|
|
#restore from monkey patch, no need to wait until tearDown
|
|
PowerVCDriver.__init__ = pvcdrv_init_copy
|
|
|
|
def test_get_info_success(self):
|
|
"""When everything is fine in the main path."""
|
|
self.pvc_drv.get_instance = mock.MagicMock(return_value=
|
|
self.pvc_instance)
|
|
self.assertEqual(self.pvc_drv.get_info(self.os_instance),
|
|
{'state': 1,
|
|
'max_mem': 8192,
|
|
'mem': 2048,
|
|
'num_cpu': 2,
|
|
'cpu_time': 0
|
|
}
|
|
)
|
|
|
|
def test_get_info_instance_not_found_0(self):
|
|
"""When any exception occurred during fetch PVC LPAR instance."""
|
|
self.pvc_drv.get_instance = mock.MagicMock(side_effect=
|
|
exception.NotFound())
|
|
self.assertRaises(exception.NotFound,
|
|
self.pvc_drv.get_info,
|
|
self.os_instance)
|
|
|
|
def test_get_info_instance_not_found_1(self):
|
|
"""When no PVC LPAR instance found."""
|
|
self.pvc_drv.get_instance = mock.MagicMock(return_value=None)
|
|
self.assertRaises(exception.NotFound,
|
|
self.pvc_drv.get_info,
|
|
self.os_instance)
|