/usr/lib/python3/dist-packages/os_brick/tests/windows/test_fibre_channel.py is in python3-os-brick 2.3.0-0ubuntu1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 | # Copyright 2016 Cloudbase Solutions Srl
# 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 ddt
import mock
from os_brick import exception
from os_brick.initiator.windows import fibre_channel as fc
from os_brick.tests.windows import test_base
@ddt.ddt
class WindowsFCConnectorTestCase(test_base.WindowsConnectorTestBase):
def setUp(self):
super(WindowsFCConnectorTestCase, self).setUp()
self._connector = fc.WindowsFCConnector(
device_scan_interval=mock.sentinel.rescan_interval)
self._diskutils = self._connector._diskutils
self._fc_utils = self._connector._fc_utils
@ddt.data(True, False)
@mock.patch.object(fc.utilsfactory, 'get_fc_utils')
def test_get_volume_connector_props(self, valid_fc_hba_ports,
mock_get_fc_utils):
fake_fc_hba_ports = [{'node_name': mock.sentinel.node_name,
'port_name': mock.sentinel.port_name},
{'node_name': mock.sentinel.second_node_name,
'port_name': mock.sentinel.second_port_name}]
self._fc_utils = mock_get_fc_utils.return_value
self._fc_utils.get_fc_hba_ports.return_value = (
fake_fc_hba_ports if valid_fc_hba_ports else [])
props = self._connector.get_connector_properties()
self._fc_utils.refresh_hba_configuration.assert_called_once_with()
self._fc_utils.get_fc_hba_ports.assert_called_once_with()
if valid_fc_hba_ports:
expected_props = {
'wwpns': [mock.sentinel.port_name,
mock.sentinel.second_port_name],
'wwnns': [mock.sentinel.node_name,
mock.sentinel.second_node_name]
}
else:
expected_props = {}
self.assertItemsEqual(expected_props, props)
@mock.patch.object(fc.WindowsFCConnector, '_get_scsi_wwn')
@mock.patch.object(fc.WindowsFCConnector, 'get_volume_paths')
def test_connect_volume(self, mock_get_vol_paths,
mock_get_scsi_wwn):
mock_get_vol_paths.return_value = [mock.sentinel.dev_name]
mock_get_dev_num = self._diskutils.get_device_number_from_device_name
mock_get_dev_num.return_value = mock.sentinel.dev_num
expected_device_info = dict(type='block',
path=mock.sentinel.dev_name,
number=mock.sentinel.dev_num,
scsi_wwn=mock_get_scsi_wwn.return_value)
device_info = self._connector.connect_volume(mock.sentinel.conn_props)
self.assertEqual(expected_device_info, device_info)
mock_get_vol_paths.assert_called_once_with(mock.sentinel.conn_props)
mock_get_dev_num.assert_called_once_with(mock.sentinel.dev_name)
mock_get_scsi_wwn.assert_called_once_with(mock.sentinel.dev_num)
@mock.patch.object(fc.WindowsFCConnector, 'get_volume_paths')
def test_connect_volume_not_found(self, mock_get_vol_paths):
mock_get_vol_paths.return_value = []
self.assertRaises(exception.NoFibreChannelVolumeDeviceFound,
self._connector.connect_volume,
mock.sentinel.conn_props)
@ddt.data({'volume_mappings': [], 'expected_paths': []},
{'volume_mappings': [dict(device_name='')] * 3,
'expected_paths': []},
{'volume_mappings': [dict(device_name=''),
dict(device_name=mock.sentinel.disk_path)],
'expected_paths': [mock.sentinel.disk_path]})
@ddt.unpack
@mock.patch('time.sleep')
@mock.patch.object(fc.WindowsFCConnector, '_get_fc_volume_mappings')
@mock.patch.object(fc.WindowsFCConnector, '_check_device_paths')
def test_get_volume_paths(self, mock_check_device_paths,
mock_get_fc_mappings,
mock_sleep,
volume_mappings, expected_paths):
mock_get_fc_mappings.return_value = volume_mappings
vol_paths = self._connector.get_volume_paths(mock.sentinel.conn_props)
self.assertEqual(expected_paths, vol_paths)
# In this test case, either the volume is found after the first
# attempt, either it's not found at all, in which case we'd expect
# the number of retries to be the requested maximum number of rescans.
expected_try_count = (1 if expected_paths
else self._connector.device_scan_attempts)
self._diskutils.rescan_disks.assert_has_calls(
[mock.call()] * expected_try_count)
mock_get_fc_mappings.assert_has_calls(
[mock.call(mock.sentinel.conn_props)] * expected_try_count)
mock_check_device_paths.assert_called_once_with(
set(vol_paths))
mock_sleep.assert_has_calls(
[mock.call(mock.sentinel.rescan_interval)] *
(expected_try_count - 1))
@mock.patch.object(fc.WindowsFCConnector, '_get_fc_hba_mappings')
def test_get_fc_volume_mappings(self, mock_get_fc_hba_mappings):
fake_target_wwpn = 'FAKE_TARGET_WWPN'
fake_conn_props = dict(target_lun=mock.sentinel.target_lun,
target_wwn=[fake_target_wwpn])
mock_hba_mappings = {mock.sentinel.node_name: mock.sentinel.hba_ports}
mock_get_fc_hba_mappings.return_value = mock_hba_mappings
all_target_mappings = [{'device_name': mock.sentinel.dev_name,
'port_name': fake_target_wwpn,
'lun': mock.sentinel.target_lun},
{'device_name': mock.sentinel.dev_name_1,
'port_name': mock.sentinel.target_port_name_1,
'lun': mock.sentinel.target_lun},
{'device_name': mock.sentinel.dev_name,
'port_name': mock.sentinel.target_port_name,
'lun': mock.sentinel.target_lun_1}]
expected_mappings = [all_target_mappings[0]]
self._fc_utils.get_fc_target_mappings.return_value = (
all_target_mappings)
volume_mappings = self._connector._get_fc_volume_mappings(
fake_conn_props)
self.assertEqual(expected_mappings, volume_mappings)
def test_get_fc_hba_mappings(self):
fake_fc_hba_ports = [{'node_name': mock.sentinel.node_name,
'port_name': mock.sentinel.port_name}]
self._fc_utils.get_fc_hba_ports.return_value = fake_fc_hba_ports
resulted_mappings = self._connector._get_fc_hba_mappings()
expected_mappings = {
mock.sentinel.node_name: [mock.sentinel.port_name]}
self.assertEqual(expected_mappings, resulted_mappings)
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