Files
deb-python-taskflow/taskflow/tests/unit/test_unordered_flow.py
Joshua Harlow 91331c0da4 Add basic sanity tests for unordered flow
Fixes: bug 1224194

Change-Id: Id5af06a2f10e357e8d042df6f41795cc9328469b
2013-09-22 23:16:12 +00:00

75 lines
2.2 KiB
Python

# -*- coding: utf-8 -*-
# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright (C) 2012 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.
from taskflow import decorators
from taskflow.engines.action_engine import engine as eng
from taskflow.patterns import unordered_flow as uf
from taskflow import test
from taskflow.tests import utils
class UnorderedFlowTest(test.TestCase):
def _make_engine(self, flow):
e = eng.SingleThreadedActionEngine(flow)
e.storage.inject([('context', {})])
e.compile()
return e
def test_result_access(self):
@decorators.task(provides=['a', 'b'])
def do_apply1(context):
return [1, 2]
wf = uf.Flow("the-test-action")
wf.add(do_apply1)
e = self._make_engine(wf)
e.run()
data = e.storage.fetch_all()
self.assertIn('a', data)
self.assertIn('b', data)
self.assertEquals(2, data['b'])
self.assertEquals(1, data['a'])
def test_reverting_flow(self):
wf = uf.Flow("the-test-action")
wf.add(utils.make_reverting_task('1'))
wf.add(utils.make_reverting_task('2', blowup=True))
e = self._make_engine(wf)
self.assertRaises(Exception, e.run)
def test_functor_flow(self):
@decorators.task(provides=['a', 'b', 'c'])
def do_apply1(context):
context['1'] = True
return ['a', 'b', 'c']
@decorators.task
def do_apply2(context, **kwargs):
context['2'] = True
wf = uf.Flow("the-test-action")
wf.add(do_apply1)
wf.add(do_apply2)
e = self._make_engine(wf)
e.run()
self.assertEquals(2, len(e.storage.fetch('context')))