Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 1 | import test.support |
| 2 | |
| 3 | # Skip tests if _multiprocessing wasn't built. |
| 4 | test.support.import_module('_multiprocessing') |
| 5 | # Skip tests if sem_open implementation is broken. |
| 6 | test.support.import_module('multiprocessing.synchronize') |
| 7 | # import threading after _multiprocessing to raise a more revelant error |
| 8 | # message: "No module named _multiprocessing". _multiprocessing is not compiled |
| 9 | # without thread support. |
| 10 | test.support.import_module('threading') |
| 11 | |
Antoine Pitrou | aebac0b | 2011-03-24 15:47:39 +0100 | [diff] [blame] | 12 | from test.script_helper import assert_python_ok |
| 13 | |
| 14 | import sys |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 15 | import threading |
| 16 | import time |
| 17 | import unittest |
Andrew Svetlov | 6b97374 | 2012-11-03 15:36:01 +0200 | [diff] [blame] | 18 | import weakref |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 19 | |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 20 | from concurrent import futures |
| 21 | from concurrent.futures._base import ( |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 22 | PENDING, RUNNING, CANCELLED, CANCELLED_AND_NOTIFIED, FINISHED, Future) |
Antoine Pitrou | dd69649 | 2011-06-08 17:21:55 +0200 | [diff] [blame] | 23 | from concurrent.futures.process import BrokenProcessPool |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 24 | |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 25 | |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 26 | def create_future(state=PENDING, exception=None, result=None): |
| 27 | f = Future() |
| 28 | f._state = state |
| 29 | f._exception = exception |
| 30 | f._result = result |
| 31 | return f |
| 32 | |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 33 | |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 34 | PENDING_FUTURE = create_future(state=PENDING) |
| 35 | RUNNING_FUTURE = create_future(state=RUNNING) |
| 36 | CANCELLED_FUTURE = create_future(state=CANCELLED) |
| 37 | CANCELLED_AND_NOTIFIED_FUTURE = create_future(state=CANCELLED_AND_NOTIFIED) |
Antoine Pitrou | 6b4883d | 2011-10-12 02:54:14 +0200 | [diff] [blame] | 38 | EXCEPTION_FUTURE = create_future(state=FINISHED, exception=OSError()) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 39 | SUCCESSFUL_FUTURE = create_future(state=FINISHED, result=42) |
| 40 | |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 41 | |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 42 | def mul(x, y): |
| 43 | return x * y |
| 44 | |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 45 | |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 46 | def sleep_and_raise(t): |
| 47 | time.sleep(t) |
| 48 | raise Exception('this is an exception') |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 49 | |
Antoine Pitrou | aebac0b | 2011-03-24 15:47:39 +0100 | [diff] [blame] | 50 | def sleep_and_print(t, msg): |
| 51 | time.sleep(t) |
| 52 | print(msg) |
| 53 | sys.stdout.flush() |
| 54 | |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 55 | |
Andrew Svetlov | 6b97374 | 2012-11-03 15:36:01 +0200 | [diff] [blame] | 56 | class MyObject(object): |
| 57 | def my_method(self): |
| 58 | pass |
| 59 | |
| 60 | |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 61 | class ExecutorMixin: |
| 62 | worker_count = 5 |
Antoine Pitrou | aebac0b | 2011-03-24 15:47:39 +0100 | [diff] [blame] | 63 | |
| 64 | def setUp(self): |
| 65 | self.t1 = time.time() |
| 66 | try: |
| 67 | self.executor = self.executor_type(max_workers=self.worker_count) |
| 68 | except NotImplementedError as e: |
| 69 | self.skipTest(str(e)) |
| 70 | self._prime_executor() |
| 71 | |
| 72 | def tearDown(self): |
| 73 | self.executor.shutdown(wait=True) |
| 74 | dt = time.time() - self.t1 |
| 75 | if test.support.verbose: |
| 76 | print("%.2fs" % dt, end=' ') |
| 77 | self.assertLess(dt, 60, "synchronization issue: test lasted too long") |
| 78 | |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 79 | def _prime_executor(self): |
| 80 | # Make sure that the executor is ready to do work before running the |
| 81 | # tests. This should reduce the probability of timeouts in the tests. |
| 82 | futures = [self.executor.submit(time.sleep, 0.1) |
| 83 | for _ in range(self.worker_count)] |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 84 | |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 85 | for f in futures: |
| 86 | f.result() |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 87 | |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 88 | |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 89 | class ThreadPoolMixin(ExecutorMixin): |
Antoine Pitrou | aebac0b | 2011-03-24 15:47:39 +0100 | [diff] [blame] | 90 | executor_type = futures.ThreadPoolExecutor |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 91 | |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 92 | |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 93 | class ProcessPoolMixin(ExecutorMixin): |
Antoine Pitrou | aebac0b | 2011-03-24 15:47:39 +0100 | [diff] [blame] | 94 | executor_type = futures.ProcessPoolExecutor |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 95 | |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 96 | |
| 97 | class ExecutorShutdownTest(unittest.TestCase): |
| 98 | def test_run_after_shutdown(self): |
| 99 | self.executor.shutdown() |
| 100 | self.assertRaises(RuntimeError, |
| 101 | self.executor.submit, |
| 102 | pow, 2, 5) |
| 103 | |
Antoine Pitrou | aebac0b | 2011-03-24 15:47:39 +0100 | [diff] [blame] | 104 | def test_interpreter_shutdown(self): |
| 105 | # Test the atexit hook for shutdown of worker threads and processes |
| 106 | rc, out, err = assert_python_ok('-c', """if 1: |
| 107 | from concurrent.futures import {executor_type} |
| 108 | from time import sleep |
| 109 | from test.test_concurrent_futures import sleep_and_print |
| 110 | t = {executor_type}(5) |
| 111 | t.submit(sleep_and_print, 1.0, "apple") |
| 112 | """.format(executor_type=self.executor_type.__name__)) |
| 113 | # Errors in atexit hooks don't change the process exit code, check |
| 114 | # stderr manually. |
| 115 | self.assertFalse(err) |
| 116 | self.assertEqual(out.strip(), b"apple") |
| 117 | |
Ross Lagerwall | 66e2fb6 | 2012-01-08 08:29:40 +0200 | [diff] [blame] | 118 | def test_hang_issue12364(self): |
| 119 | fs = [self.executor.submit(time.sleep, 0.1) for _ in range(50)] |
| 120 | self.executor.shutdown() |
| 121 | for f in fs: |
| 122 | f.result() |
| 123 | |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 124 | |
Martin v. Löwis | 9f6d48b | 2011-01-03 00:07:01 +0000 | [diff] [blame] | 125 | class ThreadPoolShutdownTest(ThreadPoolMixin, ExecutorShutdownTest): |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 126 | def _prime_executor(self): |
| 127 | pass |
| 128 | |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 129 | def test_threads_terminate(self): |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 130 | self.executor.submit(mul, 21, 2) |
| 131 | self.executor.submit(mul, 6, 7) |
| 132 | self.executor.submit(mul, 3, 14) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 133 | self.assertEqual(len(self.executor._threads), 3) |
| 134 | self.executor.shutdown() |
| 135 | for t in self.executor._threads: |
| 136 | t.join() |
| 137 | |
| 138 | def test_context_manager_shutdown(self): |
| 139 | with futures.ThreadPoolExecutor(max_workers=5) as e: |
| 140 | executor = e |
| 141 | self.assertEqual(list(e.map(abs, range(-5, 5))), |
| 142 | [5, 4, 3, 2, 1, 0, 1, 2, 3, 4]) |
| 143 | |
| 144 | for t in executor._threads: |
| 145 | t.join() |
| 146 | |
| 147 | def test_del_shutdown(self): |
| 148 | executor = futures.ThreadPoolExecutor(max_workers=5) |
| 149 | executor.map(abs, range(-5, 5)) |
| 150 | threads = executor._threads |
| 151 | del executor |
| 152 | |
| 153 | for t in threads: |
| 154 | t.join() |
| 155 | |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 156 | |
Martin v. Löwis | 9f6d48b | 2011-01-03 00:07:01 +0000 | [diff] [blame] | 157 | class ProcessPoolShutdownTest(ProcessPoolMixin, ExecutorShutdownTest): |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 158 | def _prime_executor(self): |
| 159 | pass |
| 160 | |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 161 | def test_processes_terminate(self): |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 162 | self.executor.submit(mul, 21, 2) |
| 163 | self.executor.submit(mul, 6, 7) |
| 164 | self.executor.submit(mul, 3, 14) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 165 | self.assertEqual(len(self.executor._processes), 5) |
| 166 | processes = self.executor._processes |
| 167 | self.executor.shutdown() |
| 168 | |
Antoine Pitrou | dd69649 | 2011-06-08 17:21:55 +0200 | [diff] [blame] | 169 | for p in processes.values(): |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 170 | p.join() |
| 171 | |
| 172 | def test_context_manager_shutdown(self): |
| 173 | with futures.ProcessPoolExecutor(max_workers=5) as e: |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 174 | processes = e._processes |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 175 | self.assertEqual(list(e.map(abs, range(-5, 5))), |
| 176 | [5, 4, 3, 2, 1, 0, 1, 2, 3, 4]) |
| 177 | |
Antoine Pitrou | dd69649 | 2011-06-08 17:21:55 +0200 | [diff] [blame] | 178 | for p in processes.values(): |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 179 | p.join() |
| 180 | |
| 181 | def test_del_shutdown(self): |
| 182 | executor = futures.ProcessPoolExecutor(max_workers=5) |
| 183 | list(executor.map(abs, range(-5, 5))) |
| 184 | queue_management_thread = executor._queue_management_thread |
| 185 | processes = executor._processes |
| 186 | del executor |
| 187 | |
| 188 | queue_management_thread.join() |
Antoine Pitrou | dd69649 | 2011-06-08 17:21:55 +0200 | [diff] [blame] | 189 | for p in processes.values(): |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 190 | p.join() |
| 191 | |
Antoine Pitrou | f70401e | 2012-03-31 20:23:30 +0200 | [diff] [blame] | 192 | |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 193 | class WaitTests(unittest.TestCase): |
Antoine Pitrou | f70401e | 2012-03-31 20:23:30 +0200 | [diff] [blame] | 194 | |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 195 | def test_first_completed(self): |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 196 | future1 = self.executor.submit(mul, 21, 2) |
Antoine Pitrou | 8e5e942 | 2011-03-22 18:30:30 +0100 | [diff] [blame] | 197 | future2 = self.executor.submit(time.sleep, 1.5) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 198 | |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 199 | done, not_done = futures.wait( |
| 200 | [CANCELLED_FUTURE, future1, future2], |
| 201 | return_when=futures.FIRST_COMPLETED) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 202 | |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 203 | self.assertEqual(set([future1]), done) |
| 204 | self.assertEqual(set([CANCELLED_FUTURE, future2]), not_done) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 205 | |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 206 | def test_first_completed_some_already_completed(self): |
Antoine Pitrou | 8e5e942 | 2011-03-22 18:30:30 +0100 | [diff] [blame] | 207 | future1 = self.executor.submit(time.sleep, 1.5) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 208 | |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 209 | finished, pending = futures.wait( |
| 210 | [CANCELLED_AND_NOTIFIED_FUTURE, SUCCESSFUL_FUTURE, future1], |
| 211 | return_when=futures.FIRST_COMPLETED) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 212 | |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 213 | self.assertEqual( |
| 214 | set([CANCELLED_AND_NOTIFIED_FUTURE, SUCCESSFUL_FUTURE]), |
| 215 | finished) |
| 216 | self.assertEqual(set([future1]), pending) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 217 | |
| 218 | def test_first_exception(self): |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 219 | future1 = self.executor.submit(mul, 2, 21) |
Antoine Pitrou | 8e5e942 | 2011-03-22 18:30:30 +0100 | [diff] [blame] | 220 | future2 = self.executor.submit(sleep_and_raise, 1.5) |
| 221 | future3 = self.executor.submit(time.sleep, 3) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 222 | |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 223 | finished, pending = futures.wait( |
| 224 | [future1, future2, future3], |
| 225 | return_when=futures.FIRST_EXCEPTION) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 226 | |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 227 | self.assertEqual(set([future1, future2]), finished) |
| 228 | self.assertEqual(set([future3]), pending) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 229 | |
| 230 | def test_first_exception_some_already_complete(self): |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 231 | future1 = self.executor.submit(divmod, 21, 0) |
Antoine Pitrou | 8e5e942 | 2011-03-22 18:30:30 +0100 | [diff] [blame] | 232 | future2 = self.executor.submit(time.sleep, 1.5) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 233 | |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 234 | finished, pending = futures.wait( |
| 235 | [SUCCESSFUL_FUTURE, |
| 236 | CANCELLED_FUTURE, |
| 237 | CANCELLED_AND_NOTIFIED_FUTURE, |
| 238 | future1, future2], |
| 239 | return_when=futures.FIRST_EXCEPTION) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 240 | |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 241 | self.assertEqual(set([SUCCESSFUL_FUTURE, |
| 242 | CANCELLED_AND_NOTIFIED_FUTURE, |
| 243 | future1]), finished) |
| 244 | self.assertEqual(set([CANCELLED_FUTURE, future2]), pending) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 245 | |
| 246 | def test_first_exception_one_already_failed(self): |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 247 | future1 = self.executor.submit(time.sleep, 2) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 248 | |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 249 | finished, pending = futures.wait( |
| 250 | [EXCEPTION_FUTURE, future1], |
| 251 | return_when=futures.FIRST_EXCEPTION) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 252 | |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 253 | self.assertEqual(set([EXCEPTION_FUTURE]), finished) |
| 254 | self.assertEqual(set([future1]), pending) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 255 | |
| 256 | def test_all_completed(self): |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 257 | future1 = self.executor.submit(divmod, 2, 0) |
| 258 | future2 = self.executor.submit(mul, 2, 21) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 259 | |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 260 | finished, pending = futures.wait( |
| 261 | [SUCCESSFUL_FUTURE, |
| 262 | CANCELLED_AND_NOTIFIED_FUTURE, |
| 263 | EXCEPTION_FUTURE, |
| 264 | future1, |
| 265 | future2], |
| 266 | return_when=futures.ALL_COMPLETED) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 267 | |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 268 | self.assertEqual(set([SUCCESSFUL_FUTURE, |
| 269 | CANCELLED_AND_NOTIFIED_FUTURE, |
| 270 | EXCEPTION_FUTURE, |
| 271 | future1, |
| 272 | future2]), finished) |
| 273 | self.assertEqual(set(), pending) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 274 | |
| 275 | def test_timeout(self): |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 276 | future1 = self.executor.submit(mul, 6, 7) |
Brian Quinlan | 1ae2998 | 2011-05-30 21:52:24 +1000 | [diff] [blame] | 277 | future2 = self.executor.submit(time.sleep, 6) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 278 | |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 279 | finished, pending = futures.wait( |
| 280 | [CANCELLED_AND_NOTIFIED_FUTURE, |
| 281 | EXCEPTION_FUTURE, |
| 282 | SUCCESSFUL_FUTURE, |
| 283 | future1, future2], |
Brian Quinlan | 1ae2998 | 2011-05-30 21:52:24 +1000 | [diff] [blame] | 284 | timeout=5, |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 285 | return_when=futures.ALL_COMPLETED) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 286 | |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 287 | self.assertEqual(set([CANCELLED_AND_NOTIFIED_FUTURE, |
| 288 | EXCEPTION_FUTURE, |
| 289 | SUCCESSFUL_FUTURE, |
| 290 | future1]), finished) |
| 291 | self.assertEqual(set([future2]), pending) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 292 | |
| 293 | |
Martin v. Löwis | 9f6d48b | 2011-01-03 00:07:01 +0000 | [diff] [blame] | 294 | class ThreadPoolWaitTests(ThreadPoolMixin, WaitTests): |
Antoine Pitrou | f70401e | 2012-03-31 20:23:30 +0200 | [diff] [blame] | 295 | |
| 296 | def test_pending_calls_race(self): |
| 297 | # Issue #14406: multi-threaded race condition when waiting on all |
| 298 | # futures. |
| 299 | event = threading.Event() |
| 300 | def future_func(): |
| 301 | event.wait() |
| 302 | oldswitchinterval = sys.getswitchinterval() |
| 303 | sys.setswitchinterval(1e-6) |
| 304 | try: |
| 305 | fs = {self.executor.submit(future_func) for i in range(100)} |
| 306 | event.set() |
| 307 | futures.wait(fs, return_when=futures.ALL_COMPLETED) |
| 308 | finally: |
| 309 | sys.setswitchinterval(oldswitchinterval) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 310 | |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 311 | |
Martin v. Löwis | 9f6d48b | 2011-01-03 00:07:01 +0000 | [diff] [blame] | 312 | class ProcessPoolWaitTests(ProcessPoolMixin, WaitTests): |
| 313 | pass |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 314 | |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 315 | |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 316 | class AsCompletedTests(unittest.TestCase): |
| 317 | # TODO(brian@sweetapp.com): Should have a test with a non-zero timeout. |
| 318 | def test_no_timeout(self): |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 319 | future1 = self.executor.submit(mul, 2, 21) |
| 320 | future2 = self.executor.submit(mul, 7, 6) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 321 | |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 322 | completed = set(futures.as_completed( |
| 323 | [CANCELLED_AND_NOTIFIED_FUTURE, |
| 324 | EXCEPTION_FUTURE, |
| 325 | SUCCESSFUL_FUTURE, |
| 326 | future1, future2])) |
| 327 | self.assertEqual(set( |
| 328 | [CANCELLED_AND_NOTIFIED_FUTURE, |
| 329 | EXCEPTION_FUTURE, |
| 330 | SUCCESSFUL_FUTURE, |
| 331 | future1, future2]), |
| 332 | completed) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 333 | |
| 334 | def test_zero_timeout(self): |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 335 | future1 = self.executor.submit(time.sleep, 2) |
| 336 | completed_futures = set() |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 337 | try: |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 338 | for future in futures.as_completed( |
| 339 | [CANCELLED_AND_NOTIFIED_FUTURE, |
| 340 | EXCEPTION_FUTURE, |
| 341 | SUCCESSFUL_FUTURE, |
| 342 | future1], |
| 343 | timeout=0): |
| 344 | completed_futures.add(future) |
| 345 | except futures.TimeoutError: |
| 346 | pass |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 347 | |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 348 | self.assertEqual(set([CANCELLED_AND_NOTIFIED_FUTURE, |
| 349 | EXCEPTION_FUTURE, |
| 350 | SUCCESSFUL_FUTURE]), |
| 351 | completed_futures) |
| 352 | |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 353 | |
Martin v. Löwis | 9f6d48b | 2011-01-03 00:07:01 +0000 | [diff] [blame] | 354 | class ThreadPoolAsCompletedTests(ThreadPoolMixin, AsCompletedTests): |
| 355 | pass |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 356 | |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 357 | |
Martin v. Löwis | 9f6d48b | 2011-01-03 00:07:01 +0000 | [diff] [blame] | 358 | class ProcessPoolAsCompletedTests(ProcessPoolMixin, AsCompletedTests): |
| 359 | pass |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 360 | |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 361 | |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 362 | class ExecutorTest(unittest.TestCase): |
| 363 | # Executor.shutdown() and context manager usage is tested by |
| 364 | # ExecutorShutdownTest. |
| 365 | def test_submit(self): |
| 366 | future = self.executor.submit(pow, 2, 8) |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 367 | self.assertEqual(256, future.result()) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 368 | |
| 369 | def test_submit_keyword(self): |
| 370 | future = self.executor.submit(mul, 2, y=8) |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 371 | self.assertEqual(16, future.result()) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 372 | |
| 373 | def test_map(self): |
| 374 | self.assertEqual( |
| 375 | list(self.executor.map(pow, range(10), range(10))), |
| 376 | list(map(pow, range(10), range(10)))) |
| 377 | |
| 378 | def test_map_exception(self): |
| 379 | i = self.executor.map(divmod, [1, 1, 1, 1], [2, 3, 0, 5]) |
| 380 | self.assertEqual(i.__next__(), (0, 1)) |
| 381 | self.assertEqual(i.__next__(), (0, 1)) |
| 382 | self.assertRaises(ZeroDivisionError, i.__next__) |
| 383 | |
| 384 | def test_map_timeout(self): |
| 385 | results = [] |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 386 | try: |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 387 | for i in self.executor.map(time.sleep, |
Brian Quinlan | 1ae2998 | 2011-05-30 21:52:24 +1000 | [diff] [blame] | 388 | [0, 0, 6], |
| 389 | timeout=5): |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 390 | results.append(i) |
| 391 | except futures.TimeoutError: |
| 392 | pass |
| 393 | else: |
| 394 | self.fail('expected TimeoutError') |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 395 | |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 396 | self.assertEqual([None, None], results) |
| 397 | |
Antoine Pitrou | 020436b | 2011-07-02 21:20:25 +0200 | [diff] [blame] | 398 | def test_shutdown_race_issue12456(self): |
| 399 | # Issue #12456: race condition at shutdown where trying to post a |
| 400 | # sentinel in the call queue blocks (the queue is full while processes |
| 401 | # have exited). |
| 402 | self.executor.map(str, [2] * (self.worker_count + 1)) |
| 403 | self.executor.shutdown() |
| 404 | |
Andrew Svetlov | 6b97374 | 2012-11-03 15:36:01 +0200 | [diff] [blame] | 405 | @test.support.cpython_only |
| 406 | def test_no_stale_references(self): |
| 407 | # Issue #16284: check that the executors don't unnecessarily hang onto |
| 408 | # references. |
| 409 | my_object = MyObject() |
| 410 | my_object_collected = threading.Event() |
| 411 | my_object_callback = weakref.ref( |
| 412 | my_object, lambda obj: my_object_collected.set()) |
| 413 | # Deliberately discarding the future. |
| 414 | self.executor.submit(my_object.my_method) |
| 415 | del my_object |
| 416 | |
| 417 | collected = my_object_collected.wait(timeout=5.0) |
| 418 | self.assertTrue(collected, |
| 419 | "Stale reference not collected within timeout.") |
| 420 | |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 421 | |
Martin v. Löwis | 9f6d48b | 2011-01-03 00:07:01 +0000 | [diff] [blame] | 422 | class ThreadPoolExecutorTest(ThreadPoolMixin, ExecutorTest): |
Brian Quinlan | f007876 | 2011-04-08 08:19:33 +1000 | [diff] [blame] | 423 | def test_map_submits_without_iteration(self): |
| 424 | """Tests verifying issue 11777.""" |
| 425 | finished = [] |
| 426 | def record_finished(n): |
| 427 | finished.append(n) |
| 428 | |
| 429 | self.executor.map(record_finished, range(10)) |
| 430 | self.executor.shutdown(wait=True) |
| 431 | self.assertCountEqual(finished, range(10)) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 432 | |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 433 | |
Martin v. Löwis | 9f6d48b | 2011-01-03 00:07:01 +0000 | [diff] [blame] | 434 | class ProcessPoolExecutorTest(ProcessPoolMixin, ExecutorTest): |
Antoine Pitrou | dd69649 | 2011-06-08 17:21:55 +0200 | [diff] [blame] | 435 | def test_killed_child(self): |
| 436 | # When a child process is abruptly terminated, the whole pool gets |
| 437 | # "broken". |
| 438 | futures = [self.executor.submit(time.sleep, 3)] |
| 439 | # Get one of the processes, and terminate (kill) it |
| 440 | p = next(iter(self.executor._processes.values())) |
| 441 | p.terminate() |
| 442 | for fut in futures: |
| 443 | self.assertRaises(BrokenProcessPool, fut.result) |
| 444 | # Submitting other jobs fails as well. |
| 445 | self.assertRaises(BrokenProcessPool, self.executor.submit, pow, 2, 8) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 446 | |
Brian Quinlan | 1d1df82 | 2011-01-03 02:56:39 +0000 | [diff] [blame] | 447 | |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 448 | class FutureTests(unittest.TestCase): |
| 449 | def test_done_callback_with_result(self): |
| 450 | callback_result = None |
| 451 | def fn(callback_future): |
| 452 | nonlocal callback_result |
| 453 | callback_result = callback_future.result() |
| 454 | |
| 455 | f = Future() |
| 456 | f.add_done_callback(fn) |
| 457 | f.set_result(5) |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 458 | self.assertEqual(5, callback_result) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 459 | |
| 460 | def test_done_callback_with_exception(self): |
| 461 | callback_exception = None |
| 462 | def fn(callback_future): |
| 463 | nonlocal callback_exception |
| 464 | callback_exception = callback_future.exception() |
| 465 | |
| 466 | f = Future() |
| 467 | f.add_done_callback(fn) |
| 468 | f.set_exception(Exception('test')) |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 469 | self.assertEqual(('test',), callback_exception.args) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 470 | |
| 471 | def test_done_callback_with_cancel(self): |
| 472 | was_cancelled = None |
| 473 | def fn(callback_future): |
| 474 | nonlocal was_cancelled |
| 475 | was_cancelled = callback_future.cancelled() |
| 476 | |
| 477 | f = Future() |
| 478 | f.add_done_callback(fn) |
| 479 | self.assertTrue(f.cancel()) |
| 480 | self.assertTrue(was_cancelled) |
| 481 | |
| 482 | def test_done_callback_raises(self): |
Brian Quinlan | 251cc84 | 2010-12-28 21:14:34 +0000 | [diff] [blame] | 483 | with test.support.captured_stderr() as stderr: |
Brian Quinlan | 1e2ae4f | 2010-10-06 13:05:45 +0000 | [diff] [blame] | 484 | raising_was_called = False |
| 485 | fn_was_called = False |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 486 | |
Brian Quinlan | 1e2ae4f | 2010-10-06 13:05:45 +0000 | [diff] [blame] | 487 | def raising_fn(callback_future): |
| 488 | nonlocal raising_was_called |
| 489 | raising_was_called = True |
| 490 | raise Exception('doh!') |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 491 | |
Brian Quinlan | 1e2ae4f | 2010-10-06 13:05:45 +0000 | [diff] [blame] | 492 | def fn(callback_future): |
| 493 | nonlocal fn_was_called |
| 494 | fn_was_called = True |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 495 | |
Brian Quinlan | 1e2ae4f | 2010-10-06 13:05:45 +0000 | [diff] [blame] | 496 | f = Future() |
| 497 | f.add_done_callback(raising_fn) |
| 498 | f.add_done_callback(fn) |
| 499 | f.set_result(5) |
| 500 | self.assertTrue(raising_was_called) |
| 501 | self.assertTrue(fn_was_called) |
Brian Quinlan | 251cc84 | 2010-12-28 21:14:34 +0000 | [diff] [blame] | 502 | self.assertIn('Exception: doh!', stderr.getvalue()) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 503 | |
| 504 | def test_done_callback_already_successful(self): |
| 505 | callback_result = None |
| 506 | def fn(callback_future): |
| 507 | nonlocal callback_result |
| 508 | callback_result = callback_future.result() |
| 509 | |
| 510 | f = Future() |
| 511 | f.set_result(5) |
| 512 | f.add_done_callback(fn) |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 513 | self.assertEqual(5, callback_result) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 514 | |
| 515 | def test_done_callback_already_failed(self): |
| 516 | callback_exception = None |
| 517 | def fn(callback_future): |
| 518 | nonlocal callback_exception |
| 519 | callback_exception = callback_future.exception() |
| 520 | |
| 521 | f = Future() |
| 522 | f.set_exception(Exception('test')) |
| 523 | f.add_done_callback(fn) |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 524 | self.assertEqual(('test',), callback_exception.args) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 525 | |
| 526 | def test_done_callback_already_cancelled(self): |
| 527 | was_cancelled = None |
| 528 | def fn(callback_future): |
| 529 | nonlocal was_cancelled |
| 530 | was_cancelled = callback_future.cancelled() |
| 531 | |
| 532 | f = Future() |
| 533 | self.assertTrue(f.cancel()) |
| 534 | f.add_done_callback(fn) |
| 535 | self.assertTrue(was_cancelled) |
| 536 | |
| 537 | def test_repr(self): |
Ezio Melotti | ed3a7d2 | 2010-12-01 02:32:32 +0000 | [diff] [blame] | 538 | self.assertRegex(repr(PENDING_FUTURE), |
| 539 | '<Future at 0x[0-9a-f]+ state=pending>') |
| 540 | self.assertRegex(repr(RUNNING_FUTURE), |
| 541 | '<Future at 0x[0-9a-f]+ state=running>') |
| 542 | self.assertRegex(repr(CANCELLED_FUTURE), |
| 543 | '<Future at 0x[0-9a-f]+ state=cancelled>') |
| 544 | self.assertRegex(repr(CANCELLED_AND_NOTIFIED_FUTURE), |
| 545 | '<Future at 0x[0-9a-f]+ state=cancelled>') |
| 546 | self.assertRegex( |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 547 | repr(EXCEPTION_FUTURE), |
Antoine Pitrou | 6b4883d | 2011-10-12 02:54:14 +0200 | [diff] [blame] | 548 | '<Future at 0x[0-9a-f]+ state=finished raised OSError>') |
Ezio Melotti | ed3a7d2 | 2010-12-01 02:32:32 +0000 | [diff] [blame] | 549 | self.assertRegex( |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 550 | repr(SUCCESSFUL_FUTURE), |
| 551 | '<Future at 0x[0-9a-f]+ state=finished returned int>') |
| 552 | |
| 553 | |
| 554 | def test_cancel(self): |
| 555 | f1 = create_future(state=PENDING) |
| 556 | f2 = create_future(state=RUNNING) |
| 557 | f3 = create_future(state=CANCELLED) |
| 558 | f4 = create_future(state=CANCELLED_AND_NOTIFIED) |
Antoine Pitrou | 6b4883d | 2011-10-12 02:54:14 +0200 | [diff] [blame] | 559 | f5 = create_future(state=FINISHED, exception=OSError()) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 560 | f6 = create_future(state=FINISHED, result=5) |
| 561 | |
| 562 | self.assertTrue(f1.cancel()) |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 563 | self.assertEqual(f1._state, CANCELLED) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 564 | |
| 565 | self.assertFalse(f2.cancel()) |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 566 | self.assertEqual(f2._state, RUNNING) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 567 | |
| 568 | self.assertTrue(f3.cancel()) |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 569 | self.assertEqual(f3._state, CANCELLED) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 570 | |
| 571 | self.assertTrue(f4.cancel()) |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 572 | self.assertEqual(f4._state, CANCELLED_AND_NOTIFIED) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 573 | |
| 574 | self.assertFalse(f5.cancel()) |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 575 | self.assertEqual(f5._state, FINISHED) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 576 | |
| 577 | self.assertFalse(f6.cancel()) |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 578 | self.assertEqual(f6._state, FINISHED) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 579 | |
| 580 | def test_cancelled(self): |
| 581 | self.assertFalse(PENDING_FUTURE.cancelled()) |
| 582 | self.assertFalse(RUNNING_FUTURE.cancelled()) |
| 583 | self.assertTrue(CANCELLED_FUTURE.cancelled()) |
| 584 | self.assertTrue(CANCELLED_AND_NOTIFIED_FUTURE.cancelled()) |
| 585 | self.assertFalse(EXCEPTION_FUTURE.cancelled()) |
| 586 | self.assertFalse(SUCCESSFUL_FUTURE.cancelled()) |
| 587 | |
| 588 | def test_done(self): |
| 589 | self.assertFalse(PENDING_FUTURE.done()) |
| 590 | self.assertFalse(RUNNING_FUTURE.done()) |
| 591 | self.assertTrue(CANCELLED_FUTURE.done()) |
| 592 | self.assertTrue(CANCELLED_AND_NOTIFIED_FUTURE.done()) |
| 593 | self.assertTrue(EXCEPTION_FUTURE.done()) |
| 594 | self.assertTrue(SUCCESSFUL_FUTURE.done()) |
| 595 | |
| 596 | def test_running(self): |
| 597 | self.assertFalse(PENDING_FUTURE.running()) |
| 598 | self.assertTrue(RUNNING_FUTURE.running()) |
| 599 | self.assertFalse(CANCELLED_FUTURE.running()) |
| 600 | self.assertFalse(CANCELLED_AND_NOTIFIED_FUTURE.running()) |
| 601 | self.assertFalse(EXCEPTION_FUTURE.running()) |
| 602 | self.assertFalse(SUCCESSFUL_FUTURE.running()) |
| 603 | |
| 604 | def test_result_with_timeout(self): |
| 605 | self.assertRaises(futures.TimeoutError, |
| 606 | PENDING_FUTURE.result, timeout=0) |
| 607 | self.assertRaises(futures.TimeoutError, |
| 608 | RUNNING_FUTURE.result, timeout=0) |
| 609 | self.assertRaises(futures.CancelledError, |
| 610 | CANCELLED_FUTURE.result, timeout=0) |
| 611 | self.assertRaises(futures.CancelledError, |
| 612 | CANCELLED_AND_NOTIFIED_FUTURE.result, timeout=0) |
Antoine Pitrou | 6b4883d | 2011-10-12 02:54:14 +0200 | [diff] [blame] | 613 | self.assertRaises(OSError, EXCEPTION_FUTURE.result, timeout=0) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 614 | self.assertEqual(SUCCESSFUL_FUTURE.result(timeout=0), 42) |
| 615 | |
| 616 | def test_result_with_success(self): |
| 617 | # TODO(brian@sweetapp.com): This test is timing dependant. |
| 618 | def notification(): |
| 619 | # Wait until the main thread is waiting for the result. |
| 620 | time.sleep(1) |
| 621 | f1.set_result(42) |
| 622 | |
| 623 | f1 = create_future(state=PENDING) |
| 624 | t = threading.Thread(target=notification) |
| 625 | t.start() |
| 626 | |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 627 | self.assertEqual(f1.result(timeout=5), 42) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 628 | |
| 629 | def test_result_with_cancel(self): |
| 630 | # TODO(brian@sweetapp.com): This test is timing dependant. |
| 631 | def notification(): |
| 632 | # Wait until the main thread is waiting for the result. |
| 633 | time.sleep(1) |
| 634 | f1.cancel() |
| 635 | |
| 636 | f1 = create_future(state=PENDING) |
| 637 | t = threading.Thread(target=notification) |
| 638 | t.start() |
| 639 | |
| 640 | self.assertRaises(futures.CancelledError, f1.result, timeout=5) |
| 641 | |
| 642 | def test_exception_with_timeout(self): |
| 643 | self.assertRaises(futures.TimeoutError, |
| 644 | PENDING_FUTURE.exception, timeout=0) |
| 645 | self.assertRaises(futures.TimeoutError, |
| 646 | RUNNING_FUTURE.exception, timeout=0) |
| 647 | self.assertRaises(futures.CancelledError, |
| 648 | CANCELLED_FUTURE.exception, timeout=0) |
| 649 | self.assertRaises(futures.CancelledError, |
| 650 | CANCELLED_AND_NOTIFIED_FUTURE.exception, timeout=0) |
| 651 | self.assertTrue(isinstance(EXCEPTION_FUTURE.exception(timeout=0), |
Antoine Pitrou | 6b4883d | 2011-10-12 02:54:14 +0200 | [diff] [blame] | 652 | OSError)) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 653 | self.assertEqual(SUCCESSFUL_FUTURE.exception(timeout=0), None) |
| 654 | |
| 655 | def test_exception_with_success(self): |
| 656 | def notification(): |
| 657 | # Wait until the main thread is waiting for the exception. |
| 658 | time.sleep(1) |
| 659 | with f1._condition: |
| 660 | f1._state = FINISHED |
Antoine Pitrou | 6b4883d | 2011-10-12 02:54:14 +0200 | [diff] [blame] | 661 | f1._exception = OSError() |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 662 | f1._condition.notify_all() |
| 663 | |
| 664 | f1 = create_future(state=PENDING) |
| 665 | t = threading.Thread(target=notification) |
| 666 | t.start() |
| 667 | |
Antoine Pitrou | 6b4883d | 2011-10-12 02:54:14 +0200 | [diff] [blame] | 668 | self.assertTrue(isinstance(f1.exception(timeout=5), OSError)) |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 669 | |
Antoine Pitrou | 9470ab4 | 2011-07-15 20:25:20 +0200 | [diff] [blame] | 670 | @test.support.reap_threads |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 671 | def test_main(): |
Antoine Pitrou | 9470ab4 | 2011-07-15 20:25:20 +0200 | [diff] [blame] | 672 | try: |
| 673 | test.support.run_unittest(ProcessPoolExecutorTest, |
| 674 | ThreadPoolExecutorTest, |
| 675 | ProcessPoolWaitTests, |
| 676 | ThreadPoolWaitTests, |
| 677 | ProcessPoolAsCompletedTests, |
| 678 | ThreadPoolAsCompletedTests, |
| 679 | FutureTests, |
| 680 | ProcessPoolShutdownTest, |
Antoine Pitrou | d06a065 | 2011-07-16 01:13:34 +0200 | [diff] [blame] | 681 | ThreadPoolShutdownTest, |
| 682 | ) |
Antoine Pitrou | 9470ab4 | 2011-07-15 20:25:20 +0200 | [diff] [blame] | 683 | finally: |
| 684 | test.support.reap_children() |
Brian Quinlan | 81c4d36 | 2010-09-18 22:35:02 +0000 | [diff] [blame] | 685 | |
| 686 | if __name__ == "__main__": |
| 687 | test_main() |