Volume discovery and local storage management lib
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# (c) Copyright 2013 Hewlett-Packard Development Company, L.P.
#
# 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 os_brick.initiator.connectors import fibre_channel_s390x
from os_brick.initiator import linuxfc
from os_brick.tests.initiator import test_connector
class FibreChannelConnectorS390XTestCase(test_connector.ConnectorTestCase):
def setUp(self):
super(FibreChannelConnectorS390XTestCase, self).setUp()
self.connector = fibre_channel_s390x.FibreChannelConnectorS390X(
None, execute=self.fake_execute, use_multipath=False)
self.assertIsNotNone(self.connector)
self.assertIsNotNone(self.connector._linuxfc)
self.assertEqual(self.connector._linuxfc.__class__.__name__,
"LinuxFibreChannelS390X")
self.assertIsNotNone(self.connector._linuxscsi)
@mock.patch.object(linuxfc.LinuxFibreChannelS390X, 'configure_scsi_device')
def test_get_host_devices(self, mock_configure_scsi_device):
lun = 2
possible_devs = [(3, 5), ]
devices = self.connector._get_host_devices(possible_devs, lun)
mock_configure_scsi_device.assert_called_with(3, 5,
"0x0002000000000000")
self.assertEqual(3, len(devices))
device_path = "/dev/disk/by-path/ccw-3-zfcp-5:0x0002000000000000"
self.assertEqual(devices[0], device_path)
device_path = "/dev/disk/by-path/ccw-3-fc-5-lun-2"
self.assertEqual(devices[1], device_path)
device_path = "/dev/disk/by-path/ccw-3-fc-5-lun-0x0002000000000000"
self.assertEqual(devices[2], device_path)
def test_get_lun_string(self):
lun = 1
lunstring = self.connector._get_lun_string(lun)
self.assertEqual(lunstring, "0x0001000000000000")
lun = 0xff
lunstring = self.connector._get_lun_string(lun)
self.assertEqual(lunstring, "0x00ff000000000000")
lun = 0x101
lunstring = self.connector._get_lun_string(lun)
self.assertEqual(lunstring, "0x0101000000000000")
lun = 0x4020400a
lunstring = self.connector._get_lun_string(lun)
self.assertEqual(lunstring, "0x4020400a00000000")
@mock.patch.object(fibre_channel_s390x.FibreChannelConnectorS390X,
'_get_possible_devices', return_value=[(3, 5), ])
@mock.patch.object(linuxfc.LinuxFibreChannelS390X, 'get_fc_hbas_info',
return_value=[])
@mock.patch.object(linuxfc.LinuxFibreChannelS390X,
'deconfigure_scsi_device')
def test_remove_devices(self, mock_deconfigure_scsi_device,
mock_get_fc_hbas_info, mock_get_possible_devices):
connection_properties = {'target_wwn': 5, 'target_lun': 2}
self.connector._remove_devices(connection_properties, devices=None,
device_info=None)
mock_deconfigure_scsi_device.assert_called_with(3, 5,
"0x0002000000000000")
mock_get_fc_hbas_info.assert_called_once_with()
mock_get_possible_devices.assert_called_once_with([], 5)