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heat/heat/tests/engine/test_sync_point.py

96 lines
4.0 KiB

#
# 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 oslo_db import exception
from heat.engine import sync_point
from heat.tests import common
from heat.tests.engine import tools
from heat.tests import utils
class SyncPointTestCase(common.HeatTestCase):
def setUp(self):
super(SyncPointTestCase, self).setUp()
self.dummy_event = mock.MagicMock()
self.dummy_event.ready.return_value = False
def test_sync_waiting(self):
ctx = utils.dummy_context()
stack = tools.get_stack('test_stack', utils.dummy_context(),
template=tools.string_template_five,
convergence=True)
stack.converge_stack(stack.t, action=stack.CREATE)
resource = stack['C']
graph = stack.convergence_dependencies.graph()
sender = (4, True)
mock_callback = mock.Mock()
sync_point.sync(ctx, resource.id, stack.current_traversal, True,
mock_callback, set(graph[(resource.id, True)]),
{sender: None})
updated_sync_point = sync_point.get(ctx, resource.id,
stack.current_traversal, True)
input_data = sync_point.deserialize_input_data(
updated_sync_point.input_data)
self.assertEqual({sender: None}, input_data)
self.assertFalse(mock_callback.called)
def test_sync_non_waiting(self):
ctx = utils.dummy_context()
stack = tools.get_stack('test_stack', utils.dummy_context(),
template=tools.string_template_five,
convergence=True)
stack.converge_stack(stack.t, action=stack.CREATE)
resource = stack['A']
graph = stack.convergence_dependencies.graph()
sender = (3, True)
mock_callback = mock.Mock()
sync_point.sync(ctx, resource.id, stack.current_traversal, True,
mock_callback, set(graph[(resource.id, True)]),
{sender: None})
updated_sync_point = sync_point.get(ctx, resource.id,
stack.current_traversal, True)
input_data = sync_point.deserialize_input_data(
updated_sync_point.input_data)
self.assertEqual({sender: None}, input_data)
self.assertTrue(mock_callback.called)
def test_serialize_input_data(self):
res = sync_point.serialize_input_data({(3, 8): None})
self.assertEqual({'input_data': {u'tuple:(3, 8)': None}}, res)
@mock.patch('heat.engine.sync_point.update_input_data', return_value=None)
@mock.patch('eventlet.sleep', side_effect=exception.DBError)
def sync_with_sleep(self, ctx, stack, mock_sleep_time, mock_uid):
resource = stack['C']
graph = stack.convergence_dependencies.graph()
mock_callback = mock.Mock()
self.assertRaises(exception.DBError, sync_point.sync, ctx, resource.id,
stack.current_traversal, True, mock_callback,
set(graph[(resource.id, True)]), {})
return mock_sleep_time
def test_sync_with_time_throttle(self):
ctx = utils.dummy_context()
stack = tools.get_stack('test_stack', utils.dummy_context(),
template=tools.string_template_five,
convergence=True)
stack.converge_stack(stack.t, action=stack.CREATE)
mock_sleep_time = self.sync_with_sleep(ctx, stack)
mock_sleep_time.assert_called_once_with(mock.ANY)