152 lines
5.6 KiB
Python
152 lines
5.6 KiB
Python
# Copyright (c) 2014 VMware, Inc.
|
|
# 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.
|
|
|
|
"""
|
|
Unit tests for image transfer utility classes.
|
|
"""
|
|
|
|
import math
|
|
|
|
from eventlet import greenthread
|
|
import mock
|
|
|
|
from cinder import test
|
|
from cinder.volume.drivers.vmware import error_util
|
|
from cinder.volume.drivers.vmware import io_util
|
|
|
|
|
|
class ThreadSafePipeTest(test.TestCase):
|
|
"""Tests for ThreadSafePipe."""
|
|
|
|
def test_read(self):
|
|
max_size = 10
|
|
chunk_size = 10
|
|
max_transfer_size = 30
|
|
queue = io_util.ThreadSafePipe(max_size, max_transfer_size)
|
|
|
|
def get_side_effect():
|
|
return [1] * chunk_size
|
|
|
|
queue.get = mock.Mock(side_effect=get_side_effect)
|
|
while True:
|
|
data_item = queue.read(chunk_size)
|
|
if not data_item:
|
|
break
|
|
|
|
self.assertEqual(max_transfer_size, queue.transferred)
|
|
exp_calls = [mock.call()] * int(math.ceil(float(max_transfer_size) /
|
|
chunk_size))
|
|
self.assertEqual(exp_calls, queue.get.call_args_list)
|
|
|
|
def test_write(self):
|
|
queue = io_util.ThreadSafePipe(10, 30)
|
|
queue.put = mock.Mock()
|
|
write_count = 10
|
|
for _ in range(0, write_count):
|
|
queue.write([1])
|
|
exp_calls = [mock.call([1])] * write_count
|
|
self.assertEqual(exp_calls, queue.put.call_args_list)
|
|
|
|
def test_seek(self):
|
|
queue = io_util.ThreadSafePipe(10, 30)
|
|
self.assertRaises(IOError, queue.seek, 0)
|
|
|
|
def test_tell(self):
|
|
max_transfer_size = 30
|
|
queue = io_util.ThreadSafePipe(10, 30)
|
|
self.assertEqual(max_transfer_size, queue.tell())
|
|
|
|
|
|
class GlanceWriteThreadTest(test.TestCase):
|
|
"""Tests for GlanceWriteThread class."""
|
|
|
|
def _create_image_writer(self):
|
|
self._image_service = mock.Mock()
|
|
self._context = mock.Mock()
|
|
self._input_file = mock.Mock()
|
|
self._image_id = mock.Mock()
|
|
return io_util.GlanceWriteThread(self._context, self._input_file,
|
|
self._image_service, self._image_id)
|
|
|
|
@mock.patch.object(greenthread, 'sleep')
|
|
def test_start(self, mock_sleep):
|
|
writer = self._create_image_writer()
|
|
status_list = ['queued', 'saving', 'active']
|
|
|
|
def image_service_show_side_effect(context, image_id):
|
|
status = status_list.pop(0)
|
|
return {'status': status}
|
|
|
|
self._image_service.show.side_effect = image_service_show_side_effect
|
|
exp_calls = [mock.call(self._context,
|
|
self._image_id)] * len(status_list)
|
|
|
|
writer.start()
|
|
self.assertTrue(writer.wait())
|
|
self._image_service.update.assert_called_once_with(
|
|
self._context, self._image_id, {}, data=self._input_file)
|
|
self.assertEqual(exp_calls, self._image_service.show.call_args_list)
|
|
|
|
def test_start_with_killed_status(self):
|
|
writer = self._create_image_writer()
|
|
|
|
def image_service_show_side_effect(_context, _image_id):
|
|
return {'status': 'killed'}
|
|
|
|
self._image_service.show.side_effect = image_service_show_side_effect
|
|
|
|
writer.start()
|
|
self.assertRaises(error_util.ImageTransferException, writer.wait)
|
|
self._image_service.update.assert_called_once_with(
|
|
self._context, self._image_id, {}, data=self._input_file)
|
|
self._image_service.show.assert_called_once_with(self._context,
|
|
self._image_id)
|
|
|
|
def test_start_with_unknown_status(self):
|
|
writer = self._create_image_writer()
|
|
|
|
def image_service_show_side_effect(_context, _image_id):
|
|
return {'status': 'unknown'}
|
|
|
|
self._image_service.show.side_effect = image_service_show_side_effect
|
|
|
|
writer.start()
|
|
self.assertRaises(error_util.ImageTransferException, writer.wait)
|
|
self._image_service.update.assert_called_once_with(
|
|
self._context, self._image_id, {}, data=self._input_file)
|
|
self._image_service.show.assert_called_once_with(self._context,
|
|
self._image_id)
|
|
|
|
def test_start_with_image_service_update_exception(self):
|
|
writer = self._create_image_writer()
|
|
self._image_service.update.side_effect = Exception
|
|
|
|
writer.start()
|
|
self.assertRaises(error_util.ImageTransferException, writer.wait)
|
|
self._image_service.update.assert_called_once_with(
|
|
self._context, self._image_id, {}, data=self._input_file)
|
|
self.assertFalse(self._image_service.show.called)
|
|
|
|
def test_start_with_image_service_show_exception(self):
|
|
writer = self._create_image_writer()
|
|
self._image_service.show.side_effect = Exception
|
|
|
|
writer.start()
|
|
self.assertRaises(error_util.ImageTransferException, writer.wait)
|
|
self._image_service.update.assert_called_once_with(
|
|
self._context, self._image_id, {}, data=self._input_file)
|
|
self._image_service.show.assert_called_once_with(self._context,
|
|
self._image_id)
|