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# 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 mock
from nova import exception
from nova.tests.unit.virt.hyperv import test_base
from nova.virt.hyperv import serialconsolehandler
from nova.virt.hyperv import serialconsoleops
class SerialConsoleOpsTestCase(test_base.HyperVBaseTestCase):
def setUp(self):
super(SerialConsoleOpsTestCase, self).setUp()
serialconsoleops._console_handlers = {}
self._serialops = serialconsoleops.SerialConsoleOps()
self._serialops._pathutils = mock.MagicMock()
def _setup_console_handler_mock(self):
mock_console_handler = mock.Mock()
serialconsoleops._console_handlers = {mock.sentinel.instance_name:
mock_console_handler}
return mock_console_handler
@mock.patch.object(serialconsolehandler, 'SerialConsoleHandler')
@mock.patch.object(serialconsoleops.SerialConsoleOps,
'stop_console_handler_unsync')
def _test_start_console_handler(self, mock_stop_handler,
mock_console_handler,
raise_exception=False):
mock_handler = mock_console_handler.return_value
if raise_exception:
mock_handler.start.side_effect = Exception
self._serialops.start_console_handler(mock.sentinel.instance_name)
mock_stop_handler.assert_called_once_with(mock.sentinel.instance_name)
mock_console_handler.assert_called_once_with(
mock.sentinel.instance_name)
if raise_exception:
mock_handler.stop.assert_called_once_with()
else:
console_handler = serialconsoleops._console_handlers.get(
mock.sentinel.instance_name)
self.assertEqual(mock_handler, console_handler)
def test_start_console_handler(self):
self._test_start_console_handler()
def test_start_console_handler_exception(self):
self._test_start_console_handler(raise_exception=True)
def test_stop_console_handler(self):
mock_console_handler = self._setup_console_handler_mock()
self._serialops.stop_console_handler(mock.sentinel.instance_name)
mock_console_handler.stop.assert_called_once_with()
handler = serialconsoleops._console_handlers.get(
mock.sentinel.instance_name)
self.assertIsNone(handler)
def test_get_serial_console(self):
mock_console_handler = self._setup_console_handler_mock()
ret_val = self._serialops.get_serial_console(
mock.sentinel.instance_name)
self.assertEqual(mock_console_handler.get_serial_console(),
ret_val)
def test_get_serial_console_exception(self):
self.assertRaises(exception.ConsoleTypeUnavailable,
self._serialops.get_serial_console,
mock.sentinel.instance_name)
@mock.patch('builtins.open')
@mock.patch("os.path.exists")
def test_get_console_output_exception(self, fake_path_exists, fake_open):
self._serialops._pathutils.get_vm_console_log_paths.return_value = [
mock.sentinel.log_path_1, mock.sentinel.log_path_2]
fake_open.side_effect = IOError
fake_path_exists.return_value = True
self.assertRaises(exception.ConsoleLogOutputException,
self._serialops.get_console_output,
mock.sentinel.instance_name)
fake_open.assert_called_once_with(mock.sentinel.log_path_2, 'rb')
@mock.patch('os.path.exists')
@mock.patch.object(serialconsoleops.SerialConsoleOps,
'start_console_handler')
def test_start_console_handlers(self, mock_get_instance_dir, mock_exists):
self._serialops._pathutils.get_instance_dir.return_value = [
mock.sentinel.nova_instance_name,
mock.sentinel.other_instance_name]
mock_exists.side_effect = [True, False]
self._serialops.start_console_handlers()
self._serialops._vmutils.get_active_instances.assert_called_once_with()
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