Files
os-xenapi/os_xenapi/tests/client/test_utils.py
jianghua wang 2b97fb50c1 Support VDI streaming
This is to support streaming VHD tgz files to/from XAPI. In
this way, it will avoid the restriction that SRs must be
file system based SR (e.g. ext and nfs) for XenServer
OpenStack. So that we can support other types of SRs
e.g. lvm, iscsi and etc.

Change-Id: I2cfe7340d48071bf96bc7ba0ad19f5a0b12b5378
2017-08-30 07:44:57 +00:00

125 lines
4.6 KiB
Python

# Copyright 2017 Citrix Systems
#
# 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 eventlet import greenio
import os
from os_xenapi.client import exception
from os_xenapi.client import utils
from os_xenapi.tests import base
class UtilsTestCase(base.TestCase):
def setUp(self):
super(UtilsTestCase, self).setUp()
self.session = mock.Mock()
def test_get_default_sr(self):
FAKE_POOL_REF = 'fake-pool-ref'
FAKE_SR_REF = 'fake-sr-ref'
pool = self.session.pool
pool.get_all.return_value = [FAKE_POOL_REF]
pool.get_default_SR.return_value = FAKE_SR_REF
default_sr_ref = utils.get_default_sr(self.session)
pool.get_all.assert_called_once_with()
pool.get_default_SR.assert_called_once_with(FAKE_POOL_REF)
self.assertEqual(default_sr_ref, FAKE_SR_REF)
def test_get_default_sr_except(self):
FAKE_POOL_REF = 'fake-pool-ref'
FAKE_SR_REF = None
mock_pool = self.session.pool
mock_pool.get_all.return_value = [FAKE_POOL_REF]
mock_pool.get_default_SR.return_value = FAKE_SR_REF
self.assertRaises(exception.NotFound,
utils.get_default_sr,
self.session)
def test_create_vdi(self):
mock_create = self.session.VDI.create
mock_create.return_value = 'fake-vdi-ref'
fake_instance = {'uuid': 'fake-uuid'}
expect_other_conf = {'nova_disk_type': 'fake-disk-type',
'nova_instance_uuid': 'fake-uuid'}
fake_virtual_size = 1
create_param = {
'name_label': 'fake-name-label',
'name_description': '',
'SR': 'fake-sr-ref',
'virtual_size': str(fake_virtual_size),
'type': 'User',
'sharable': False,
'read_only': False,
'xenstore_data': {},
'other_config': expect_other_conf,
'sm_config': {},
'tags': [],
}
vdi_ref = utils.create_vdi(self.session, 'fake-sr-ref', fake_instance,
'fake-name-label', 'fake-disk-type',
fake_virtual_size)
self.session.VDI.create.assert_called_once_with(create_param)
self.assertEqual(vdi_ref, 'fake-vdi-ref')
@mock.patch.object(os, 'pipe')
@mock.patch.object(greenio, 'GreenPipe')
def test_create_pipe(self, mock_green_pipe, mock_pipe):
mock_pipe.return_value = ('fake-rpipe', 'fake-wpipe')
mock_green_pipe.side_effect = ['fake-rfile', 'fake-wfile']
rfile, wfile = utils.create_pipe()
mock_pipe.assert_called_once_with()
real_calls = mock_green_pipe.call_args_list
expect_calls = [mock.call('fake-rpipe', 'rb', 0),
mock.call('fake-wpipe', 'wb', 0)]
self.assertEqual(expect_calls, real_calls)
self.assertEqual('fake-rfile', rfile)
self.assertEqual('fake-wfile', wfile)
def test_get_vdi_import_path(self):
self.session.get_session_id.return_value = 'fake-id'
task_ref = 'fake-task-ref'
vdi_ref = 'fake-vdi-ref'
expected_path = '/import_raw_vdi?session_id=fake-id&'
expected_path += 'task_id=fake-task-ref&vdi=fake-vdi-ref&format=vhd'
export_path = utils.get_vdi_import_path(self.session,
task_ref,
vdi_ref)
self.session.get_session_id.assert_called_once_with()
self.assertEqual(expected_path, export_path)
def test_get_vdi_export_path(self):
self.session.get_session_id.return_value = 'fake-id'
task_ref = 'fake-task-ref'
vdi_ref = 'fake-vdi-ref'
expected_path = '/export_raw_vdi?session_id=fake-id&'
expected_path += 'task_id=fake-task-ref&vdi=fake-vdi-ref&format=vhd'
export_path = utils.get_vdi_export_path(self.session,
task_ref,
vdi_ref)
self.session.get_session_id.assert_called_once_with()
self.assertEqual(expected_path, export_path)