Files
deb-python-taskflow/taskflow/tests/unit/test_progress.py
Christian Berendt 6132647fb7 Enabled hacking checks H305 and H307
* H305  imports not grouped correctly
* H307  like imports should be grouped together

Change-Id: If1dd9c89f65ede6959865a885777cb08c263eca0
2014-07-17 09:05:48 +02:00

143 lines
4.9 KiB
Python

# -*- coding: utf-8 -*-
# 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.
import contextlib
import taskflow.engines
from taskflow.patterns import linear_flow as lf
from taskflow.persistence.backends import impl_memory
from taskflow import task
from taskflow import test
from taskflow.utils import persistence_utils as p_utils
class ProgressTask(task.Task):
def __init__(self, name, segments):
super(ProgressTask, self).__init__(name=name)
self._segments = segments
def execute(self):
if self._segments <= 0:
return
for i in range(1, self._segments):
progress = float(i) / self._segments
self.update_progress(progress)
class ProgressTaskWithDetails(task.Task):
def execute(self):
self.update_progress(0.5, test='test data', foo='bar')
class TestProgress(test.TestCase):
def _make_engine(self, flow, flow_detail=None, backend=None):
e = taskflow.engines.load(flow,
flow_detail=flow_detail,
backend=backend)
e.compile()
e.prepare()
return e
def tearDown(self):
super(TestProgress, self).tearDown()
with contextlib.closing(impl_memory.MemoryBackend({})) as be:
with contextlib.closing(be.get_connection()) as conn:
conn.clear_all()
def test_sanity_progress(self):
fired_events = []
def notify_me(task, event_data, progress):
fired_events.append(progress)
ev_count = 5
t = ProgressTask("test", ev_count)
t.bind('update_progress', notify_me)
flo = lf.Flow("test")
flo.add(t)
e = self._make_engine(flo)
e.run()
self.assertEqual(ev_count + 1, len(fired_events))
self.assertEqual(1.0, fired_events[-1])
self.assertEqual(0.0, fired_events[0])
def test_no_segments_progress(self):
fired_events = []
def notify_me(task, event_data, progress):
fired_events.append(progress)
t = ProgressTask("test", 0)
t.bind('update_progress', notify_me)
flo = lf.Flow("test")
flo.add(t)
e = self._make_engine(flo)
e.run()
# 0.0 and 1.0 should be automatically fired
self.assertEqual(2, len(fired_events))
self.assertEqual(1.0, fired_events[-1])
self.assertEqual(0.0, fired_events[0])
def test_storage_progress(self):
with contextlib.closing(impl_memory.MemoryBackend({})) as be:
flo = lf.Flow("test")
flo.add(ProgressTask("test", 3))
b, fd = p_utils.temporary_flow_detail(be)
e = self._make_engine(flo, flow_detail=fd, backend=be)
e.run()
end_progress = e.storage.get_task_progress("test")
self.assertEqual(1.0, end_progress)
task_uuid = e.storage.get_atom_uuid("test")
td = fd.find(task_uuid)
self.assertEqual(1.0, td.meta['progress'])
self.assertFalse(td.meta['progress_details'])
def test_storage_progress_detail(self):
flo = ProgressTaskWithDetails("test")
e = self._make_engine(flo)
e.run()
end_progress = e.storage.get_task_progress("test")
self.assertEqual(1.0, end_progress)
end_details = e.storage.get_task_progress_details("test")
self.assertEqual(end_details.get('at_progress'), 0.5)
self.assertEqual(end_details.get('details'), {
'test': 'test data',
'foo': 'bar'
})
def test_dual_storage_progress(self):
fired_events = []
def notify_me(task, event_data, progress):
fired_events.append(progress)
with contextlib.closing(impl_memory.MemoryBackend({})) as be:
t = ProgressTask("test", 5)
t.bind('update_progress', notify_me)
flo = lf.Flow("test")
flo.add(t)
b, fd = p_utils.temporary_flow_detail(be)
e = self._make_engine(flo, flow_detail=fd, backend=be)
e.run()
end_progress = e.storage.get_task_progress("test")
self.assertEqual(1.0, end_progress)
task_uuid = e.storage.get_atom_uuid("test")
td = fd.find(task_uuid)
self.assertEqual(1.0, td.meta['progress'])
self.assertFalse(td.meta['progress_details'])
self.assertEqual(6, len(fired_events))