80 lines
3.5 KiB
Python
80 lines
3.5 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import mock
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from nova.tests.unit.virt.libvirt.volume import test_volume
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from nova.virt.libvirt.volume import nvme
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from os_brick import initiator
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class LibvirtNVMEVolumeDriverTestCase(test_volume.LibvirtVolumeBaseTestCase):
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@mock.patch('os.path.exists', return_value=True)
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@mock.patch('nova.utils.get_root_helper')
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@mock.patch('os_brick.initiator.connector.InitiatorConnector.factory')
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def test_libvirt_nvme_driver(self, mock_factory, mock_helper, exists):
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self.flags(num_nvme_discover_tries=3, group='libvirt')
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mock_helper.return_value = 'sudo'
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nvme.LibvirtNVMEVolumeDriver(self.fake_host)
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mock_factory.assert_called_once_with(
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initiator.NVME, 'sudo',
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device_scan_attempts=3)
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@mock.patch('os_brick.initiator.connector.InitiatorConnector.factory',
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new=mock.Mock(return_value=mock.Mock()))
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def test_libvirt_nvme_driver_connect(self):
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nvme_driver = nvme.LibvirtNVMEVolumeDriver(self.fake_host)
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config = {'server_ip': '127.0.0.1', 'server_port': 9898}
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disk_info = {
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'id': '1234567',
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'name': 'aNVMEVolume',
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'conf': config}
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connection_info = {'data': disk_info}
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with mock.patch.object(nvme_driver.connector,
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'connect_volume',
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return_value={'path': '/dev/dms1234567'}):
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nvme_driver.connect_volume(connection_info, None)
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nvme_driver.connector.connect_volume.assert_called_once_with(
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connection_info['data'])
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self.assertEqual('/dev/dms1234567',
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connection_info['data']['device_path'])
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@mock.patch('os_brick.initiator.connector.InitiatorConnector.factory',
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new=mock.Mock(return_value=mock.Mock()))
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def test_libvirt_nvme_driver_disconnect(self):
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nvme_driver = nvme.LibvirtNVMEVolumeDriver(self.connr)
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disk_info = {
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'path': '/dev/dms1234567', 'name': 'aNVMEVolume',
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'type': 'raw', 'dev': 'vda1', 'bus': 'pci0',
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'device_path': '/dev/dms123456'}
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connection_info = {'data': disk_info}
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nvme_driver.disconnect_volume(connection_info, None)
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nvme_driver.connector.disconnect_volume.assert_called_once_with(
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disk_info, None)
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@mock.patch('os_brick.initiator.connector.InitiatorConnector.factory',
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new=mock.Mock(return_value=mock.Mock()))
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def test_libvirt_nvme_driver_get_config(self):
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nvme_driver = nvme.LibvirtNVMEVolumeDriver(self.fake_host)
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device_path = '/dev/fake-dev'
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connection_info = {'data': {'device_path': device_path}}
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conf = nvme_driver.get_config(connection_info, self.disk_info)
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tree = conf.format_dom()
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self.assertEqual('block', tree.get('type'))
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self.assertEqual(device_path, tree.find('./source').get('dev'))
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self.assertEqual('raw', tree.find('./driver').get('type'))
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