/usr/lib/python2.7/dist-packages/taskflow/tests/unit/action_engine/test_creation.py is in python-taskflow 2.3.0-2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 | # -*- 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 futurist
import testtools
from taskflow.engines.action_engine import engine
from taskflow.engines.action_engine import executor
from taskflow.engines.action_engine import process_executor
from taskflow.patterns import linear_flow as lf
from taskflow.persistence import backends
from taskflow import test
from taskflow.tests import utils
from taskflow.utils import eventlet_utils as eu
from taskflow.utils import persistence_utils as pu
class ParallelCreationTest(test.TestCase):
@staticmethod
def _create_engine(**kwargs):
flow = lf.Flow('test-flow').add(utils.DummyTask())
backend = backends.fetch({'connection': 'memory'})
flow_detail = pu.create_flow_detail(flow, backend=backend)
options = kwargs.copy()
return engine.ParallelActionEngine(flow, flow_detail,
backend, options)
def test_thread_string_creation(self):
for s in ['threads', 'threaded', 'thread']:
eng = self._create_engine(executor=s)
self.assertIsInstance(eng._task_executor,
executor.ParallelThreadTaskExecutor)
def test_process_string_creation(self):
for s in ['process', 'processes']:
eng = self._create_engine(executor=s)
self.assertIsInstance(eng._task_executor,
process_executor.ParallelProcessTaskExecutor)
def test_thread_executor_creation(self):
with futurist.ThreadPoolExecutor(1) as e:
eng = self._create_engine(executor=e)
self.assertIsInstance(eng._task_executor,
executor.ParallelThreadTaskExecutor)
def test_process_executor_creation(self):
with futurist.ProcessPoolExecutor(1) as e:
eng = self._create_engine(executor=e)
self.assertIsInstance(eng._task_executor,
process_executor.ParallelProcessTaskExecutor)
@testtools.skipIf(not eu.EVENTLET_AVAILABLE, 'eventlet is not available')
def test_green_executor_creation(self):
with futurist.GreenThreadPoolExecutor(1) as e:
eng = self._create_engine(executor=e)
self.assertIsInstance(eng._task_executor,
executor.ParallelThreadTaskExecutor)
def test_sync_executor_creation(self):
with futurist.SynchronousExecutor() as e:
eng = self._create_engine(executor=e)
self.assertIsInstance(eng._task_executor,
executor.ParallelThreadTaskExecutor)
def test_invalid_creation(self):
self.assertRaises(ValueError, self._create_engine, executor='crap')
self.assertRaises(TypeError, self._create_engine, executor=2)
self.assertRaises(TypeError, self._create_engine, executor=object())
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