9c9377027e
Test the base jobboard tests against a real zookeeper server if one is available (if not skip the tests). Change-Id: I3a4d582e347ce9de48a19a17f5ce890590a4adcb
272 lines
9.6 KiB
Python
272 lines
9.6 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 contextlib
|
|
import mock
|
|
import threading
|
|
import time
|
|
|
|
from kazoo.recipe import watchers
|
|
|
|
from taskflow import exceptions as excp
|
|
from taskflow.openstack.common import uuidutils
|
|
from taskflow.persistence.backends import impl_dir
|
|
from taskflow import states
|
|
from taskflow.utils import misc
|
|
from taskflow.utils import persistence_utils as p_utils
|
|
|
|
|
|
@contextlib.contextmanager
|
|
def connect_close(*args):
|
|
try:
|
|
for a in args:
|
|
a.connect()
|
|
yield
|
|
finally:
|
|
for a in args:
|
|
a.close()
|
|
|
|
|
|
@contextlib.contextmanager
|
|
def flush(client, path=None):
|
|
# This uses the linearity guarantee of zookeeper (and associated libraries)
|
|
# to create a temporary node, wait until a watcher notifies it's created,
|
|
# then yield back for more work, and then at the end of that work delete
|
|
# the created node. This ensures that the operations done in the yield
|
|
# of this context manager will be applied and all watchers will have fired
|
|
# before this context manager exits.
|
|
if not path:
|
|
path = "/tmp-%s" % uuidutils.generate_uuid()
|
|
created = threading.Event()
|
|
deleted = threading.Event()
|
|
|
|
def on_created(data, stat):
|
|
if stat is not None:
|
|
created.set()
|
|
return False # cause this watcher to cease to exist
|
|
|
|
def on_deleted(data, stat):
|
|
if stat is None:
|
|
deleted.set()
|
|
return False # cause this watcher to cease to exist
|
|
|
|
watchers.DataWatch(client, path, func=on_created)
|
|
client.create(path)
|
|
created.wait()
|
|
try:
|
|
yield
|
|
finally:
|
|
watchers.DataWatch(client, path, func=on_deleted)
|
|
client.delete(path, recursive=True)
|
|
deleted.wait()
|
|
|
|
|
|
class BoardTestMixin(object):
|
|
def test_connect(self):
|
|
self.assertFalse(self.board.connected)
|
|
with connect_close(self.board):
|
|
self.assertTrue(self.board.connected)
|
|
|
|
@mock.patch("taskflow.jobs.backends.impl_zookeeper.misc."
|
|
"millis_to_datetime")
|
|
def test_posting_dates(self, mock_dt):
|
|
epoch = misc.millis_to_datetime(0)
|
|
mock_dt.return_value = epoch
|
|
|
|
with connect_close(self.board):
|
|
j = self.board.post('test', p_utils.temporary_log_book())
|
|
self.assertEqual(epoch, j.created_on)
|
|
self.assertEqual(epoch, j.last_modified)
|
|
|
|
self.assertTrue(mock_dt.called)
|
|
|
|
def test_board_iter(self):
|
|
with connect_close(self.board):
|
|
it = self.board.iterjobs()
|
|
self.assertEqual(it.board, self.board)
|
|
self.assertFalse(it.only_unclaimed)
|
|
self.assertFalse(it.ensure_fresh)
|
|
|
|
def test_board_iter_empty(self):
|
|
with connect_close(self.board):
|
|
jobs_found = list(self.board.iterjobs())
|
|
self.assertEqual([], jobs_found)
|
|
|
|
def test_fresh_iter(self):
|
|
with connect_close(self.board):
|
|
book = p_utils.temporary_log_book()
|
|
self.board.post('test', book)
|
|
jobs = list(self.board.iterjobs(ensure_fresh=True))
|
|
self.assertEqual(1, len(jobs))
|
|
|
|
def test_wait_timeout(self):
|
|
with connect_close(self.board):
|
|
self.assertRaises(excp.NotFound, self.board.wait, timeout=0.1)
|
|
|
|
def test_wait_arrival(self):
|
|
ev = threading.Event()
|
|
jobs = []
|
|
|
|
def poster(wait_post=0.2):
|
|
ev.wait() # wait until the waiter is active
|
|
time.sleep(wait_post)
|
|
self.board.post('test', p_utils.temporary_log_book())
|
|
|
|
def waiter():
|
|
ev.set()
|
|
it = self.board.wait()
|
|
jobs.extend(it)
|
|
|
|
with connect_close(self.board):
|
|
t1 = threading.Thread(target=poster)
|
|
t1.daemon = True
|
|
t1.start()
|
|
t2 = threading.Thread(target=waiter)
|
|
t2.daemon = True
|
|
t2.start()
|
|
for t in (t1, t2):
|
|
t.join()
|
|
|
|
self.assertEqual(1, len(jobs))
|
|
|
|
def test_posting_claim(self):
|
|
|
|
with connect_close(self.board):
|
|
with flush(self.client):
|
|
self.board.post('test', p_utils.temporary_log_book())
|
|
|
|
self.assertEqual(1, self.board.job_count)
|
|
possible_jobs = list(self.board.iterjobs(only_unclaimed=True))
|
|
self.assertEqual(1, len(possible_jobs))
|
|
j = possible_jobs[0]
|
|
self.assertEqual(states.UNCLAIMED, j.state)
|
|
|
|
with flush(self.client):
|
|
self.board.claim(j, self.board.name)
|
|
|
|
self.assertEqual(self.board.name, self.board.find_owner(j))
|
|
self.assertEqual(states.CLAIMED, j.state)
|
|
|
|
possible_jobs = list(self.board.iterjobs(only_unclaimed=True))
|
|
self.assertEqual(0, len(possible_jobs))
|
|
|
|
self.assertRaisesAttrAccess(excp.NotFound, j, 'state')
|
|
self.assertRaises(excp.NotFound,
|
|
self.board.consume, j, self.board.name)
|
|
|
|
def test_posting_claim_consume(self):
|
|
|
|
with connect_close(self.board):
|
|
with flush(self.client):
|
|
self.board.post('test', p_utils.temporary_log_book())
|
|
|
|
possible_jobs = list(self.board.iterjobs(only_unclaimed=True))
|
|
self.assertEqual(1, len(possible_jobs))
|
|
j = possible_jobs[0]
|
|
with flush(self.client):
|
|
self.board.claim(j, self.board.name)
|
|
|
|
possible_jobs = list(self.board.iterjobs(only_unclaimed=True))
|
|
self.assertEqual(0, len(possible_jobs))
|
|
with flush(self.client):
|
|
self.board.consume(j, self.board.name)
|
|
|
|
self.assertEqual(0, len(list(self.board.iterjobs())))
|
|
self.assertRaises(excp.NotFound,
|
|
self.board.consume, j, self.board.name)
|
|
|
|
def test_posting_claim_abandon(self):
|
|
|
|
with connect_close(self.board):
|
|
with flush(self.client):
|
|
self.board.post('test', p_utils.temporary_log_book())
|
|
|
|
possible_jobs = list(self.board.iterjobs(only_unclaimed=True))
|
|
self.assertEqual(1, len(possible_jobs))
|
|
j = possible_jobs[0]
|
|
with flush(self.client):
|
|
self.board.claim(j, self.board.name)
|
|
|
|
possible_jobs = list(self.board.iterjobs(only_unclaimed=True))
|
|
self.assertEqual(0, len(possible_jobs))
|
|
with flush(self.client):
|
|
self.board.abandon(j, self.board.name)
|
|
|
|
possible_jobs = list(self.board.iterjobs(only_unclaimed=True))
|
|
self.assertEqual(1, len(possible_jobs))
|
|
|
|
def test_posting_claim_diff_owner(self):
|
|
|
|
with connect_close(self.board):
|
|
with flush(self.client):
|
|
self.board.post('test', p_utils.temporary_log_book())
|
|
|
|
possible_jobs = list(self.board.iterjobs(only_unclaimed=True))
|
|
self.assertEqual(1, len(possible_jobs))
|
|
with flush(self.client):
|
|
self.board.claim(possible_jobs[0], self.board.name)
|
|
|
|
possible_jobs = list(self.board.iterjobs())
|
|
self.assertEqual(1, len(possible_jobs))
|
|
self.assertRaises(excp.UnclaimableJob, self.board.claim,
|
|
possible_jobs[0], self.board.name + "-1")
|
|
possible_jobs = list(self.board.iterjobs(only_unclaimed=True))
|
|
self.assertEqual(0, len(possible_jobs))
|
|
|
|
def test_posting_no_post(self):
|
|
with connect_close(self.board):
|
|
with mock.patch.object(self.client, 'create') as create_func:
|
|
create_func.side_effect = IOError("Unable to post")
|
|
self.assertRaises(IOError, self.board.post,
|
|
'test', p_utils.temporary_log_book())
|
|
self.assertEqual(0, self.board.job_count)
|
|
|
|
def test_posting_with_book(self):
|
|
backend = impl_dir.DirBackend(conf={
|
|
'path': self.makeTmpDir(),
|
|
})
|
|
backend.get_connection().upgrade()
|
|
book, flow_detail = p_utils.temporary_flow_detail(backend)
|
|
self.assertEqual(1, len(book))
|
|
|
|
client, board = self._create_board(persistence=backend)
|
|
with connect_close(board):
|
|
with flush(client):
|
|
board.post('test', book)
|
|
|
|
possible_jobs = list(board.iterjobs(only_unclaimed=True))
|
|
self.assertEqual(1, len(possible_jobs))
|
|
j = possible_jobs[0]
|
|
self.assertEqual(1, len(j.book))
|
|
self.assertEqual(book.name, j.book.name)
|
|
self.assertEqual(book.uuid, j.book.uuid)
|
|
|
|
flow_details = list(j.book)
|
|
self.assertEqual(flow_detail.uuid, flow_details[0].uuid)
|
|
self.assertEqual(flow_detail.name, flow_details[0].name)
|
|
|
|
def test_posting_abandon_no_owner(self):
|
|
|
|
with connect_close(self.board):
|
|
with flush(self.client):
|
|
self.board.post('test', p_utils.temporary_log_book())
|
|
|
|
self.assertEqual(1, self.board.job_count)
|
|
possible_jobs = list(self.board.iterjobs(only_unclaimed=True))
|
|
self.assertEqual(1, len(possible_jobs))
|
|
j = possible_jobs[0]
|
|
self.assertRaises(excp.JobFailure, self.board.abandon, j, j.name)
|