taskflow/taskflow/tests/unit/worker_based/test_server.py

344 lines
14 KiB
Python

# -*- coding: utf-8 -*-
# Copyright (C) 2014 Yahoo! 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.
import six
from taskflow.engines.worker_based import endpoint as ep
from taskflow.engines.worker_based import protocol as pr
from taskflow.engines.worker_based import server
from taskflow import task as task_atom
from taskflow import test
from taskflow.test import mock
from taskflow.tests import utils
from taskflow.types import failure
class TestServer(test.MockTestCase):
def setUp(self):
super(TestServer, self).setUp()
self.server_topic = 'server-topic'
self.server_exchange = 'server-exchange'
self.broker_url = 'test-url'
self.task = utils.TaskOneArgOneReturn()
self.task_uuid = 'task-uuid'
self.task_args = {'x': 1}
self.task_action = 'execute'
self.reply_to = 'reply-to'
self.endpoints = [ep.Endpoint(task_cls=utils.TaskOneArgOneReturn),
ep.Endpoint(task_cls=utils.TaskWithFailure),
ep.Endpoint(task_cls=utils.ProgressingTask)]
# patch classes
self.proxy_mock, self.proxy_inst_mock = self.patchClass(
server.proxy, 'Proxy')
self.response_mock, self.response_inst_mock = self.patchClass(
server.pr, 'Response')
# other mocking
self.proxy_inst_mock.is_running = True
self.executor_mock = mock.MagicMock(name='executor')
self.message_mock = mock.MagicMock(name='message')
self.message_mock.properties = {'correlation_id': self.task_uuid,
'reply_to': self.reply_to,
'type': pr.REQUEST}
self.master_mock.attach_mock(self.executor_mock, 'executor')
self.master_mock.attach_mock(self.message_mock, 'message')
def server(self, reset_master_mock=False, **kwargs):
server_kwargs = dict(topic=self.server_topic,
exchange=self.server_exchange,
executor=self.executor_mock,
endpoints=self.endpoints,
url=self.broker_url)
server_kwargs.update(kwargs)
s = server.Server(**server_kwargs)
if reset_master_mock:
self.resetMasterMock()
return s
def make_request(self, **kwargs):
request_kwargs = dict(task=self.task,
uuid=self.task_uuid,
action=self.task_action,
arguments=self.task_args,
timeout=60)
request_kwargs.update(kwargs)
request = pr.Request(**request_kwargs)
return request.to_dict()
def test_creation(self):
s = self.server()
# check calls
master_mock_calls = [
mock.call.Proxy(self.server_topic, self.server_exchange,
type_handlers=mock.ANY, url=self.broker_url,
transport=mock.ANY, transport_options=mock.ANY,
retry_options=mock.ANY)
]
self.master_mock.assert_has_calls(master_mock_calls)
self.assertEqual(3, len(s._endpoints))
def test_creation_with_endpoints(self):
s = self.server(endpoints=self.endpoints)
# check calls
master_mock_calls = [
mock.call.Proxy(self.server_topic, self.server_exchange,
type_handlers=mock.ANY, url=self.broker_url,
transport=mock.ANY, transport_options=mock.ANY,
retry_options=mock.ANY)
]
self.master_mock.assert_has_calls(master_mock_calls)
self.assertEqual(len(self.endpoints), len(s._endpoints))
def test_parse_request(self):
request = self.make_request()
bundle = pr.Request.from_dict(request)
task_cls, task_name, action, task_args = bundle
self.assertEqual((self.task.name, self.task.name, self.task_action,
dict(arguments=self.task_args)),
(task_cls, task_name, action, task_args))
def test_parse_request_with_success_result(self):
request = self.make_request(action='revert', result=1)
bundle = pr.Request.from_dict(request)
task_cls, task_name, action, task_args = bundle
self.assertEqual((self.task.name, self.task.name, 'revert',
dict(arguments=self.task_args,
result=1)),
(task_cls, task_name, action, task_args))
def test_parse_request_with_failure_result(self):
a_failure = failure.Failure.from_exception(Exception('test'))
request = self.make_request(action='revert', result=a_failure)
bundle = pr.Request.from_dict(request)
task_cls, task_name, action, task_args = bundle
self.assertEqual((self.task.name, self.task.name, 'revert',
dict(arguments=self.task_args,
result=utils.FailureMatcher(a_failure))),
(task_cls, task_name, action, task_args))
def test_parse_request_with_failures(self):
failures = {'0': failure.Failure.from_exception(Exception('test1')),
'1': failure.Failure.from_exception(Exception('test2'))}
request = self.make_request(action='revert', failures=failures)
bundle = pr.Request.from_dict(request)
task_cls, task_name, action, task_args = bundle
self.assertEqual(
(self.task.name, self.task.name, 'revert',
dict(arguments=self.task_args,
failures=dict((i, utils.FailureMatcher(f))
for i, f in six.iteritems(failures)))),
(task_cls, task_name, action, task_args))
@mock.patch("taskflow.engines.worker_based.server.LOG.critical")
def test_reply_publish_failure(self, mocked_exception):
self.proxy_inst_mock.publish.side_effect = RuntimeError('Woot!')
# create server and process request
s = self.server(reset_master_mock=True)
s._reply(True, self.reply_to, self.task_uuid)
self.master_mock.assert_has_calls([
mock.call.Response(pr.FAILURE),
mock.call.proxy.publish(self.response_inst_mock, self.reply_to,
correlation_id=self.task_uuid)
])
self.assertTrue(mocked_exception.called)
def test_on_run_reply_failure(self):
request = self.make_request(task=utils.ProgressingTask(), arguments={})
self.proxy_inst_mock.publish.side_effect = RuntimeError('Woot!')
# create server and process request
s = self.server(reset_master_mock=True)
s._process_request(request, self.message_mock)
self.assertEqual(1, self.proxy_inst_mock.publish.call_count)
def test_on_update_progress(self):
request = self.make_request(task=utils.ProgressingTask(), arguments={})
# create server and process request
s = self.server(reset_master_mock=True)
s._process_request(request, self.message_mock)
# check calls
master_mock_calls = [
mock.call.Response(pr.RUNNING),
mock.call.proxy.publish(self.response_inst_mock, self.reply_to,
correlation_id=self.task_uuid),
mock.call.Response(pr.EVENT, details={'progress': 0.0},
event_type=task_atom.EVENT_UPDATE_PROGRESS),
mock.call.proxy.publish(self.response_inst_mock, self.reply_to,
correlation_id=self.task_uuid),
mock.call.Response(pr.EVENT, details={'progress': 1.0},
event_type=task_atom.EVENT_UPDATE_PROGRESS),
mock.call.proxy.publish(self.response_inst_mock, self.reply_to,
correlation_id=self.task_uuid),
mock.call.Response(pr.SUCCESS, result=5),
mock.call.proxy.publish(self.response_inst_mock, self.reply_to,
correlation_id=self.task_uuid)
]
self.master_mock.assert_has_calls(master_mock_calls)
def test_process_request(self):
# create server and process request
s = self.server(reset_master_mock=True)
s._process_request(self.make_request(), self.message_mock)
# check calls
master_mock_calls = [
mock.call.Response(pr.RUNNING),
mock.call.proxy.publish(self.response_inst_mock, self.reply_to,
correlation_id=self.task_uuid),
mock.call.Response(pr.SUCCESS, result=1),
mock.call.proxy.publish(self.response_inst_mock, self.reply_to,
correlation_id=self.task_uuid)
]
self.master_mock.assert_has_calls(master_mock_calls)
@mock.patch("taskflow.engines.worker_based.server.LOG.warn")
def test_process_request_parse_message_failure(self, mocked_exception):
self.message_mock.properties = {}
request = self.make_request()
s = self.server(reset_master_mock=True)
s._process_request(request, self.message_mock)
self.assertTrue(mocked_exception.called)
@mock.patch.object(failure.Failure, 'from_dict')
@mock.patch.object(failure.Failure, 'to_dict')
def test_process_request_parse_request_failure(self, to_mock, from_mock):
failure_dict = {
'failure': 'failure',
}
a_failure = failure.Failure.from_exception(RuntimeError('Woot!'))
to_mock.return_value = failure_dict
from_mock.side_effect = ValueError('Woot!')
request = self.make_request(result=a_failure)
# create server and process request
s = self.server(reset_master_mock=True)
s._process_request(request, self.message_mock)
# check calls
master_mock_calls = [
mock.call.Response(pr.FAILURE, result=failure_dict),
mock.call.proxy.publish(self.response_inst_mock,
self.reply_to,
correlation_id=self.task_uuid)
]
self.master_mock.assert_has_calls(master_mock_calls)
@mock.patch.object(failure.Failure, 'to_dict')
def test_process_request_endpoint_not_found(self, to_mock):
failure_dict = {
'failure': 'failure',
}
to_mock.return_value = failure_dict
request = self.make_request(task=mock.MagicMock(name='<unknown>'))
# create server and process request
s = self.server(reset_master_mock=True)
s._process_request(request, self.message_mock)
# check calls
master_mock_calls = [
mock.call.Response(pr.FAILURE, result=failure_dict),
mock.call.proxy.publish(self.response_inst_mock,
self.reply_to,
correlation_id=self.task_uuid)
]
self.master_mock.assert_has_calls(master_mock_calls)
@mock.patch.object(failure.Failure, 'to_dict')
def test_process_request_execution_failure(self, to_mock):
failure_dict = {
'failure': 'failure',
}
to_mock.return_value = failure_dict
request = self.make_request()
request['action'] = '<unknown>'
# create server and process request
s = self.server(reset_master_mock=True)
s._process_request(request, self.message_mock)
# check calls
master_mock_calls = [
mock.call.Response(pr.FAILURE, result=failure_dict),
mock.call.proxy.publish(self.response_inst_mock,
self.reply_to,
correlation_id=self.task_uuid)
]
self.master_mock.assert_has_calls(master_mock_calls)
@mock.patch.object(failure.Failure, 'to_dict')
def test_process_request_task_failure(self, to_mock):
failure_dict = {
'failure': 'failure',
}
to_mock.return_value = failure_dict
request = self.make_request(task=utils.TaskWithFailure(), arguments={})
# create server and process request
s = self.server(reset_master_mock=True)
s._process_request(request, self.message_mock)
# check calls
master_mock_calls = [
mock.call.Response(pr.RUNNING),
mock.call.proxy.publish(self.response_inst_mock, self.reply_to,
correlation_id=self.task_uuid),
mock.call.Response(pr.FAILURE, result=failure_dict),
mock.call.proxy.publish(self.response_inst_mock,
self.reply_to,
correlation_id=self.task_uuid)
]
self.master_mock.assert_has_calls(master_mock_calls)
def test_start(self):
self.server(reset_master_mock=True).start()
# check calls
master_mock_calls = [
mock.call.proxy.start()
]
self.master_mock.assert_has_calls(master_mock_calls)
def test_wait(self):
server = self.server(reset_master_mock=True)
server.start()
server.wait()
# check calls
master_mock_calls = [
mock.call.proxy.start(),
mock.call.proxy.wait()
]
self.master_mock.assert_has_calls(master_mock_calls)
def test_stop(self):
self.server(reset_master_mock=True).stop()
# check calls
master_mock_calls = [
mock.call.proxy.stop()
]
self.master_mock.assert_has_calls(master_mock_calls)