# 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 threading import time from taskflow import exceptions as excp from taskflow.persistence.backends import impl_dir from taskflow import states from taskflow.tests import utils as test_utils from taskflow.utils import persistence_utils as p_utils from taskflow.utils import threading_utils @contextlib.contextmanager def connect_close(*args): try: for a in args: a.connect() yield finally: for a in args: a.close() class BoardTestMixin: @contextlib.contextmanager def flush(self, client): yield def close_client(self, client): pass def test_connect(self): self.assertFalse(self.board.connected) with connect_close(self.board): self.assertTrue(self.board.connected) 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): if not ev.wait(test_utils.WAIT_TIMEOUT): raise RuntimeError("Waiter did not appear ready" " in %s seconds" % test_utils.WAIT_TIMEOUT) 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_utils.daemon_thread(poster) t1.start() t2 = threading_utils.daemon_thread(waiter) 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 self.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 self.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.close_client(self.client) self.assertRaisesAttrAccess(excp.JobFailure, j, 'state') def test_posting_claim_consume(self): with connect_close(self.board): with self.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 self.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 self.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 self.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 self.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 self.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 self.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 self.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_consume_wait(self): with connect_close(self.board): jb = self.board.post('test', p_utils.temporary_log_book()) possible_jobs = list(self.board.iterjobs(only_unclaimed=True)) self.board.claim(possible_jobs[0], self.board.name) self.board.consume(possible_jobs[0], self.board.name) self.assertTrue(jb.wait()) def test_posting_no_consume_wait(self): with connect_close(self.board): jb = self.board.post('test', p_utils.temporary_log_book()) self.assertFalse(jb.wait(0.1)) 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 self.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) 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 self.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.NotFound, self.board.abandon, j, j.name)