nova/nova/tests/unit/virt/xenapi/client/test_session.py

159 lines
6.4 KiB
Python

# Copyright (c) 2014 Rackspace Hosting
# 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 errno
import socket
import mock
from nova import exception
from nova.tests.unit.virt.xenapi import stubs
from nova import version
from nova.virt.xenapi.client import session
class SessionTestCase(stubs.XenAPITestBaseNoDB):
@mock.patch.object(session.XenAPISession, '_create_session')
@mock.patch.object(session.XenAPISession, '_get_product_version_and_brand')
@mock.patch.object(session.XenAPISession, '_verify_plugin_version')
def test_session_passes_version(self, mock_verify, mock_version,
create_session):
sess = mock.Mock()
create_session.return_value = sess
mock_version.return_value = ('version', 'brand')
session.XenAPISession('url', 'username', 'password')
expected_version = '%s %s %s' % (version.vendor_string(),
version.product_string(),
version.version_string_with_package())
sess.login_with_password.assert_called_with('username', 'password',
expected_version,
'OpenStack')
class ApplySessionHelpersTestCase(stubs.XenAPITestBaseNoDB):
def setUp(self):
super(ApplySessionHelpersTestCase, self).setUp()
self.session = mock.Mock()
session.apply_session_helpers(self.session)
def test_apply_session_helpers_add_VM(self):
self.session.VM.get_X("ref")
self.session.call_xenapi.assert_called_once_with("VM.get_X", "ref")
def test_apply_session_helpers_add_SR(self):
self.session.SR.get_X("ref")
self.session.call_xenapi.assert_called_once_with("SR.get_X", "ref")
def test_apply_session_helpers_add_VDI(self):
self.session.VDI.get_X("ref")
self.session.call_xenapi.assert_called_once_with("VDI.get_X", "ref")
def test_apply_session_helpers_add_VBD(self):
self.session.VBD.get_X("ref")
self.session.call_xenapi.assert_called_once_with("VBD.get_X", "ref")
def test_apply_session_helpers_add_PBD(self):
self.session.PBD.get_X("ref")
self.session.call_xenapi.assert_called_once_with("PBD.get_X", "ref")
def test_apply_session_helpers_add_PIF(self):
self.session.PIF.get_X("ref")
self.session.call_xenapi.assert_called_once_with("PIF.get_X", "ref")
def test_apply_session_helpers_add_VLAN(self):
self.session.VLAN.get_X("ref")
self.session.call_xenapi.assert_called_once_with("VLAN.get_X", "ref")
def test_apply_session_helpers_add_host(self):
self.session.host.get_X("ref")
self.session.call_xenapi.assert_called_once_with("host.get_X", "ref")
def test_apply_session_helpers_add_network(self):
self.session.network.get_X("ref")
self.session.call_xenapi.assert_called_once_with("network.get_X",
"ref")
def test_apply_session_helpers_add_pool(self):
self.session.pool.get_X("ref")
self.session.call_xenapi.assert_called_once_with("pool.get_X", "ref")
class CallPluginTestCase(stubs.XenAPITestBaseNoDB):
def _get_fake_xapisession(self):
class FakeXapiSession(session.XenAPISession):
def __init__(self, **kwargs):
"Skip the superclass's dirty init"
self.XenAPI = mock.MagicMock()
return FakeXapiSession()
def setUp(self):
super(CallPluginTestCase, self).setUp()
self.session = self._get_fake_xapisession()
def test_serialized_with_retry_socket_error_conn_reset(self):
exc = socket.error
exc.errno = errno.ECONNRESET
plugin = 'glance'
fn = 'download_vhd'
num_retries = 1
callback = None
retry_cb = mock.Mock()
with mock.patch.object(self.session, 'call_plugin_serialized',
autospec=True) as call_plugin_serialized:
call_plugin_serialized.side_effect = exc
self.assertRaises(exception.PluginRetriesExceeded,
self.session.call_plugin_serialized_with_retry, plugin, fn,
num_retries, callback, retry_cb)
call_plugin_serialized.assert_called_with(plugin, fn)
self.assertEqual(2, call_plugin_serialized.call_count)
self.assertEqual(2, retry_cb.call_count)
def test_serialized_with_retry_socket_error_reraised(self):
exc = socket.error
exc.errno = errno.ECONNREFUSED
plugin = 'glance'
fn = 'download_vhd'
num_retries = 1
callback = None
retry_cb = mock.Mock()
with mock.patch.object(self.session, 'call_plugin_serialized',
autospec=True) as call_plugin_serialized:
call_plugin_serialized.side_effect = exc
self.assertRaises(socket.error,
self.session.call_plugin_serialized_with_retry, plugin, fn,
num_retries, callback, retry_cb)
call_plugin_serialized.assert_called_once_with(plugin, fn)
self.assertEqual(0, retry_cb.call_count)
def test_serialized_with_retry_socket_reset_reraised(self):
exc = socket.error
exc.errno = errno.ECONNRESET
plugin = 'glance'
fn = 'download_vhd'
num_retries = 1
callback = None
retry_cb = mock.Mock()
with mock.patch.object(self.session, 'call_plugin_serialized',
autospec=True) as call_plugin_serialized:
call_plugin_serialized.side_effect = exc
self.assertRaises(exception.PluginRetriesExceeded,
self.session.call_plugin_serialized_with_retry, plugin, fn,
num_retries, callback, retry_cb)
call_plugin_serialized.assert_called_with(plugin, fn)
self.assertEqual(2, call_plugin_serialized.call_count)