/usr/lib/python2.7/dist-packages/taskflow/tests/unit/test_utils_threading_utils.py is in python-taskflow 2.3.0-2.
This file is owned by root:root, with mode 0o644.
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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 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 | # -*- 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 collections
import functools
import threading
import time
from taskflow import test
from taskflow.utils import threading_utils as tu
def _spinner(death):
while not death.is_set():
time.sleep(0.1)
class TestThreadHelpers(test.TestCase):
def test_alive_thread_falsey(self):
for v in [False, 0, None, ""]:
self.assertFalse(tu.is_alive(v))
def test_alive_thread(self):
death = threading.Event()
t = tu.daemon_thread(_spinner, death)
self.assertFalse(tu.is_alive(t))
t.start()
self.assertTrue(tu.is_alive(t))
death.set()
t.join()
self.assertFalse(tu.is_alive(t))
def test_daemon_thread(self):
death = threading.Event()
t = tu.daemon_thread(_spinner, death)
self.assertTrue(t.daemon)
class TestThreadBundle(test.TestCase):
thread_count = 5
def setUp(self):
super(TestThreadBundle, self).setUp()
self.bundle = tu.ThreadBundle()
self.death = threading.Event()
self.addCleanup(self.bundle.stop)
self.addCleanup(self.death.set)
def test_bind_invalid(self):
self.assertRaises(ValueError, self.bundle.bind, 1)
for k in ['after_start', 'before_start',
'before_join', 'after_join']:
kwargs = {
k: 1,
}
self.assertRaises(ValueError, self.bundle.bind,
lambda: tu.daemon_thread(_spinner, self.death),
**kwargs)
def test_bundle_length(self):
self.assertEqual(0, len(self.bundle))
for i in range(0, self.thread_count):
self.bundle.bind(lambda: tu.daemon_thread(_spinner, self.death))
self.assertEqual(1, self.bundle.start())
self.assertEqual(i + 1, len(self.bundle))
self.death.set()
self.assertEqual(self.thread_count, self.bundle.stop())
self.assertEqual(self.thread_count, len(self.bundle))
def test_start_stop_order(self):
start_events = collections.deque()
death_events = collections.deque()
def before_start(i, t):
start_events.append((i, 'bs'))
def before_join(i, t):
death_events.append((i, 'bj'))
self.death.set()
def after_start(i, t):
start_events.append((i, 'as'))
def after_join(i, t):
death_events.append((i, 'aj'))
for i in range(0, self.thread_count):
self.bundle.bind(lambda: tu.daemon_thread(_spinner, self.death),
before_join=functools.partial(before_join, i),
after_join=functools.partial(after_join, i),
before_start=functools.partial(before_start, i),
after_start=functools.partial(after_start, i))
self.assertEqual(self.thread_count, self.bundle.start())
self.assertEqual(self.thread_count, len(self.bundle))
self.assertEqual(self.thread_count, self.bundle.stop())
self.assertEqual(0, self.bundle.stop())
self.assertTrue(self.death.is_set())
expected_start_events = []
for i in range(0, self.thread_count):
expected_start_events.extend([
(i, 'bs'), (i, 'as'),
])
self.assertEqual(expected_start_events, list(start_events))
expected_death_events = []
j = self.thread_count - 1
for _i in range(0, self.thread_count):
expected_death_events.extend([
(j, 'bj'), (j, 'aj'),
])
j -= 1
self.assertEqual(expected_death_events, list(death_events))
def test_start_stop(self):
events = collections.deque()
def before_start(t):
events.append('bs')
def before_join(t):
events.append('bj')
self.death.set()
def after_start(t):
events.append('as')
def after_join(t):
events.append('aj')
for _i in range(0, self.thread_count):
self.bundle.bind(lambda: tu.daemon_thread(_spinner, self.death),
before_join=before_join,
after_join=after_join,
before_start=before_start,
after_start=after_start)
self.assertEqual(self.thread_count, self.bundle.start())
self.assertEqual(self.thread_count, len(self.bundle))
self.assertEqual(self.thread_count, self.bundle.stop())
for event in ['as', 'bs', 'bj', 'aj']:
self.assertEqual(self.thread_count,
len([e for e in events if e == event]))
self.assertEqual(0, self.bundle.stop())
self.assertTrue(self.death.is_set())
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