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| 1 # -*- coding: utf-8 -*- | |
| 2 # Copyright 2013 Google Inc. All Rights Reserved. | |
| 3 # | |
| 4 # Permission is hereby granted, free of charge, to any person obtaining a | |
| 5 # copy of this software and associated documentation files (the | |
| 6 # "Software"), to deal in the Software without restriction, including | |
| 7 # without limitation the rights to use, copy, modify, merge, publish, dis- | |
| 8 # tribute, sublicense, and/or sell copies of the Software, and to permit | |
| 9 # persons to whom the Software is furnished to do so, subject to the fol- | |
| 10 # lowing conditions: | |
| 11 # | |
| 12 # The above copyright notice and this permission notice shall be included | |
| 13 # in all copies or substantial portions of the Software. | |
| 14 # | |
| 15 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | |
| 16 # OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL- | |
| 17 # ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT | |
| 18 # SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, | |
| 19 # WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
| 20 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS | |
| 21 # IN THE SOFTWARE. | |
| 22 """Unit tests for gsutil parallelism framework.""" | |
| 23 | |
| 24 from __future__ import absolute_import | |
| 25 | |
| 26 import functools | |
| 27 import signal | |
| 28 | |
| 29 from boto.storage_uri import BucketStorageUri | |
| 30 from gslib import cs_api_map | |
| 31 from gslib.command import Command | |
| 32 from gslib.command import CreateGsutilLogger | |
| 33 from gslib.command import DummyArgChecker | |
| 34 import gslib.tests.testcase as testcase | |
| 35 from gslib.tests.testcase.base import RequiresIsolation | |
| 36 from gslib.tests.util import unittest | |
| 37 from gslib.util import IS_WINDOWS | |
| 38 from gslib.util import MultiprocessingIsAvailable | |
| 39 | |
| 40 | |
| 41 # Amount of time for an individual test to run before timing out. We need a | |
| 42 # reasonably high value since if many tests are running in parallel, an | |
| 43 # individual test may take a while to complete. | |
| 44 _TEST_TIMEOUT_SECONDS = 120 | |
| 45 | |
| 46 | |
| 47 def Timeout(func): | |
| 48 """Decorator used to provide a timeout for functions.""" | |
| 49 @functools.wraps(func) | |
| 50 def Wrapper(*args, **kwargs): | |
| 51 if not IS_WINDOWS: | |
| 52 signal.signal(signal.SIGALRM, _HandleAlarm) | |
| 53 signal.alarm(_TEST_TIMEOUT_SECONDS) | |
| 54 try: | |
| 55 func(*args, **kwargs) | |
| 56 finally: | |
| 57 if not IS_WINDOWS: | |
| 58 signal.alarm(0) # Cancel the alarm. | |
| 59 return Wrapper | |
| 60 | |
| 61 | |
| 62 # pylint: disable=unused-argument | |
| 63 def _HandleAlarm(signal_num, cur_stack_frame): | |
| 64 raise Exception('Test timed out.') | |
| 65 | |
| 66 | |
| 67 class CustomException(Exception): | |
| 68 | |
| 69 def __init__(self, exception_str): | |
| 70 super(CustomException, self).__init__(exception_str) | |
| 71 | |
| 72 | |
| 73 def _ReturnOneValue(cls, args, thread_state=None): | |
| 74 return 1 | |
| 75 | |
| 76 | |
| 77 def _FailureFunc(cls, args, thread_state=None): | |
| 78 raise CustomException('Failing on purpose.') | |
| 79 | |
| 80 | |
| 81 def _FailingExceptionHandler(cls, e): | |
| 82 cls.failure_count += 1 | |
| 83 raise CustomException('Exception handler failing on purpose.') | |
| 84 | |
| 85 | |
| 86 def _ExceptionHandler(cls, e): | |
| 87 cls.logger.exception(e) | |
| 88 cls.failure_count += 1 | |
| 89 | |
| 90 | |
| 91 def _IncrementByLength(cls, args, thread_state=None): | |
| 92 cls.arg_length_sum += len(args) | |
| 93 | |
| 94 | |
| 95 def _AdjustProcessCountIfWindows(process_count): | |
| 96 if IS_WINDOWS: | |
| 97 return 1 | |
| 98 else: | |
| 99 return process_count | |
| 100 | |
| 101 | |
| 102 def _ReApplyWithReplicatedArguments(cls, args, thread_state=None): | |
| 103 """Calls Apply with arguments repeated seven times. | |
| 104 | |
| 105 The first two elements of args should be the process and thread counts, | |
| 106 respectively, to be used for the recursive calls. | |
| 107 | |
| 108 Args: | |
| 109 cls: The Command class to call Apply on. | |
| 110 args: Arguments to pass to Apply. | |
| 111 thread_state: Unused, required by function signature. | |
| 112 | |
| 113 Returns: | |
| 114 Number of values returned by the two calls to Apply. | |
| 115 """ | |
| 116 new_args = [args] * 7 | |
| 117 process_count = _AdjustProcessCountIfWindows(args[0]) | |
| 118 thread_count = args[1] | |
| 119 return_values = cls.Apply(_PerformNRecursiveCalls, new_args, | |
| 120 _ExceptionHandler, arg_checker=DummyArgChecker, | |
| 121 process_count=process_count, | |
| 122 thread_count=thread_count, | |
| 123 should_return_results=True) | |
| 124 ret = sum(return_values) | |
| 125 | |
| 126 return_values = cls.Apply(_ReturnOneValue, new_args, | |
| 127 _ExceptionHandler, arg_checker=DummyArgChecker, | |
| 128 process_count=process_count, | |
| 129 thread_count=thread_count, | |
| 130 should_return_results=True) | |
| 131 | |
| 132 return len(return_values) + ret | |
| 133 | |
| 134 | |
| 135 def _PerformNRecursiveCalls(cls, args, thread_state=None): | |
| 136 """Calls Apply to perform N recursive calls. | |
| 137 | |
| 138 The first two elements of args should be the process and thread counts, | |
| 139 respectively, to be used for the recursive calls, while N is the third element | |
| 140 (the number of recursive calls to make). | |
| 141 | |
| 142 Args: | |
| 143 cls: The Command class to call Apply on. | |
| 144 args: Arguments to pass to Apply. | |
| 145 thread_state: Unused, required by function signature. | |
| 146 | |
| 147 Returns: | |
| 148 Number of values returned by the call to Apply. | |
| 149 """ | |
| 150 process_count = _AdjustProcessCountIfWindows(args[0]) | |
| 151 thread_count = args[1] | |
| 152 return_values = cls.Apply(_ReturnOneValue, [()] * args[2], _ExceptionHandler, | |
| 153 arg_checker=DummyArgChecker, | |
| 154 process_count=process_count, | |
| 155 thread_count=thread_count, | |
| 156 should_return_results=True) | |
| 157 return len(return_values) | |
| 158 | |
| 159 | |
| 160 def _SkipEvenNumbersArgChecker(cls, arg): | |
| 161 return arg % 2 != 0 | |
| 162 | |
| 163 | |
| 164 class FailingIterator(object): | |
| 165 | |
| 166 def __init__(self, size, failure_indices): | |
| 167 self.size = size | |
| 168 self.failure_indices = failure_indices | |
| 169 self.current_index = 0 | |
| 170 | |
| 171 def __iter__(self): | |
| 172 return self | |
| 173 | |
| 174 def next(self): | |
| 175 if self.current_index == self.size: | |
| 176 raise StopIteration('') | |
| 177 elif self.current_index in self.failure_indices: | |
| 178 self.current_index += 1 | |
| 179 raise CustomException( | |
| 180 'Iterator failing on purpose at index %d.' % self.current_index) | |
| 181 else: | |
| 182 self.current_index += 1 | |
| 183 return self.current_index - 1 | |
| 184 | |
| 185 | |
| 186 class FakeCommand(Command): | |
| 187 """Fake command class for overriding command instance state.""" | |
| 188 command_spec = Command.CreateCommandSpec( | |
| 189 'fake', | |
| 190 command_name_aliases=[], | |
| 191 ) | |
| 192 # Help specification. See help_provider.py for documentation. | |
| 193 help_spec = Command.HelpSpec( | |
| 194 help_name='fake', | |
| 195 help_name_aliases=[], | |
| 196 help_type='command_help', | |
| 197 help_one_line_summary='Something to take up space.', | |
| 198 help_text='Something else to take up space.', | |
| 199 subcommand_help_text={}, | |
| 200 ) | |
| 201 | |
| 202 def __init__(self, do_parallel): | |
| 203 self.bucket_storage_uri_class = BucketStorageUri | |
| 204 support_map = { | |
| 205 'gs': ['JSON'], | |
| 206 's3': ['XML'] | |
| 207 } | |
| 208 default_map = { | |
| 209 'gs': 'JSON', | |
| 210 's3': 'XML' | |
| 211 } | |
| 212 self.gsutil_api_map = cs_api_map.GsutilApiMapFactory.GetApiMap( | |
| 213 cs_api_map.GsutilApiClassMapFactory, support_map, default_map) | |
| 214 self.logger = CreateGsutilLogger('FakeCommand') | |
| 215 self.parallel_operations = do_parallel | |
| 216 self.failure_count = 0 | |
| 217 self.multiprocessing_is_available = MultiprocessingIsAvailable()[0] | |
| 218 self.debug = 0 | |
| 219 | |
| 220 | |
| 221 class FakeCommandWithoutMultiprocessingModule(FakeCommand): | |
| 222 | |
| 223 def __init__(self, do_parallel): | |
| 224 super(FakeCommandWithoutMultiprocessingModule, self).__init__(do_parallel) | |
| 225 self.multiprocessing_is_available = False | |
| 226 | |
| 227 | |
| 228 # TODO: Figure out a good way to test that ctrl+C really stops execution, | |
| 229 # and also that ctrl+C works when there are still tasks enqueued. | |
| 230 class TestParallelismFramework(testcase.GsUtilUnitTestCase): | |
| 231 """gsutil parallelism framework test suite.""" | |
| 232 | |
| 233 command_class = FakeCommand | |
| 234 | |
| 235 def _RunApply(self, func, args_iterator, process_count, thread_count, | |
| 236 command_inst=None, shared_attrs=None, fail_on_error=False, | |
| 237 thr_exc_handler=None, arg_checker=DummyArgChecker): | |
| 238 command_inst = command_inst or self.command_class(True) | |
| 239 exception_handler = thr_exc_handler or _ExceptionHandler | |
| 240 | |
| 241 return command_inst.Apply(func, args_iterator, exception_handler, | |
| 242 thread_count=thread_count, | |
| 243 process_count=process_count, | |
| 244 arg_checker=arg_checker, | |
| 245 should_return_results=True, | |
| 246 shared_attrs=shared_attrs, | |
| 247 fail_on_error=fail_on_error) | |
| 248 | |
| 249 @RequiresIsolation | |
| 250 def testBasicApplySingleProcessSingleThread(self): | |
| 251 self._TestBasicApply(1, 1) | |
| 252 | |
| 253 @RequiresIsolation | |
| 254 def testBasicApplySingleProcessMultiThread(self): | |
| 255 self._TestBasicApply(1, 3) | |
| 256 | |
| 257 @RequiresIsolation | |
| 258 @unittest.skipIf(IS_WINDOWS, 'Multiprocessing is not supported on Windows') | |
| 259 def testBasicApplyMultiProcessSingleThread(self): | |
| 260 self._TestBasicApply(3, 1) | |
| 261 | |
| 262 @RequiresIsolation | |
| 263 @unittest.skipIf(IS_WINDOWS, 'Multiprocessing is not supported on Windows') | |
| 264 def testBasicApplyMultiProcessMultiThread(self): | |
| 265 self._TestBasicApply(3, 3) | |
| 266 | |
| 267 @Timeout | |
| 268 def _TestBasicApply(self, process_count, thread_count): | |
| 269 args = [()] * (17 * process_count * thread_count + 1) | |
| 270 | |
| 271 results = self._RunApply(_ReturnOneValue, args, process_count, thread_count) | |
| 272 self.assertEqual(len(args), len(results)) | |
| 273 | |
| 274 @RequiresIsolation | |
| 275 def testIteratorFailureSingleProcessSingleThread(self): | |
| 276 self._TestIteratorFailure(1, 1) | |
| 277 | |
| 278 @RequiresIsolation | |
| 279 def testIteratorFailureSingleProcessMultiThread(self): | |
| 280 self._TestIteratorFailure(1, 3) | |
| 281 | |
| 282 @RequiresIsolation | |
| 283 @unittest.skipIf(IS_WINDOWS, 'Multiprocessing is not supported on Windows') | |
| 284 def testIteratorFailureMultiProcessSingleThread(self): | |
| 285 self._TestIteratorFailure(3, 1) | |
| 286 | |
| 287 @RequiresIsolation | |
| 288 @unittest.skipIf(IS_WINDOWS, 'Multiprocessing is not supported on Windows') | |
| 289 def testIteratorFailureMultiProcessMultiThread(self): | |
| 290 self._TestIteratorFailure(3, 3) | |
| 291 | |
| 292 @Timeout | |
| 293 def _TestIteratorFailure(self, process_count, thread_count): | |
| 294 """Tests apply with a failing iterator.""" | |
| 295 # Tests for fail_on_error == False. | |
| 296 | |
| 297 args = FailingIterator(10, [0]) | |
| 298 results = self._RunApply(_ReturnOneValue, args, process_count, thread_count) | |
| 299 self.assertEqual(9, len(results)) | |
| 300 | |
| 301 args = FailingIterator(10, [5]) | |
| 302 results = self._RunApply(_ReturnOneValue, args, process_count, thread_count) | |
| 303 self.assertEqual(9, len(results)) | |
| 304 | |
| 305 args = FailingIterator(10, [9]) | |
| 306 results = self._RunApply(_ReturnOneValue, args, process_count, thread_count) | |
| 307 self.assertEqual(9, len(results)) | |
| 308 | |
| 309 if process_count * thread_count > 1: | |
| 310 # In this case, we should ignore the fail_on_error flag. | |
| 311 args = FailingIterator(10, [9]) | |
| 312 results = self._RunApply(_ReturnOneValue, args, process_count, | |
| 313 thread_count, fail_on_error=True) | |
| 314 self.assertEqual(9, len(results)) | |
| 315 | |
| 316 args = FailingIterator(10, range(10)) | |
| 317 results = self._RunApply(_ReturnOneValue, args, process_count, thread_count) | |
| 318 self.assertEqual(0, len(results)) | |
| 319 | |
| 320 args = FailingIterator(0, []) | |
| 321 results = self._RunApply(_ReturnOneValue, args, process_count, thread_count) | |
| 322 self.assertEqual(0, len(results)) | |
| 323 | |
| 324 @RequiresIsolation | |
| 325 def testTestSharedAttrsWorkSingleProcessSingleThread(self): | |
| 326 self._TestSharedAttrsWork(1, 1) | |
| 327 | |
| 328 @RequiresIsolation | |
| 329 def testTestSharedAttrsWorkSingleProcessMultiThread(self): | |
| 330 self._TestSharedAttrsWork(1, 3) | |
| 331 | |
| 332 @RequiresIsolation | |
| 333 @unittest.skipIf(IS_WINDOWS, 'Multiprocessing is not supported on Windows') | |
| 334 def testTestSharedAttrsWorkMultiProcessSingleThread(self): | |
| 335 self._TestSharedAttrsWork(3, 1) | |
| 336 | |
| 337 @RequiresIsolation | |
| 338 @unittest.skipIf(IS_WINDOWS, 'Multiprocessing is not supported on Windows') | |
| 339 def testTestSharedAttrsWorkMultiProcessMultiThread(self): | |
| 340 self._TestSharedAttrsWork(3, 3) | |
| 341 | |
| 342 @Timeout | |
| 343 def _TestSharedAttrsWork(self, process_count, thread_count): | |
| 344 """Tests that Apply successfully uses shared_attrs.""" | |
| 345 command_inst = self.command_class(True) | |
| 346 command_inst.arg_length_sum = 19 | |
| 347 args = ['foo', ['bar', 'baz'], [], ['x', 'y'], [], 'abcd'] | |
| 348 self._RunApply(_IncrementByLength, args, process_count, | |
| 349 thread_count, command_inst=command_inst, | |
| 350 shared_attrs=['arg_length_sum']) | |
| 351 expected_sum = 19 | |
| 352 for arg in args: | |
| 353 expected_sum += len(arg) | |
| 354 self.assertEqual(expected_sum, command_inst.arg_length_sum) | |
| 355 | |
| 356 # Test that shared variables work when the iterator fails. | |
| 357 command_inst = self.command_class(True) | |
| 358 args = FailingIterator(10, [1, 3, 5]) | |
| 359 self._RunApply(_ReturnOneValue, args, process_count, thread_count, | |
| 360 command_inst=command_inst, shared_attrs=['failure_count']) | |
| 361 self.assertEqual(3, command_inst.failure_count) | |
| 362 | |
| 363 @RequiresIsolation | |
| 364 def testThreadsSurviveExceptionsInFuncSingleProcessSingleThread(self): | |
| 365 self._TestThreadsSurviveExceptionsInFunc(1, 1) | |
| 366 | |
| 367 @RequiresIsolation | |
| 368 def testThreadsSurviveExceptionsInFuncSingleProcessMultiThread(self): | |
| 369 self._TestThreadsSurviveExceptionsInFunc(1, 3) | |
| 370 | |
| 371 @RequiresIsolation | |
| 372 @unittest.skipIf(IS_WINDOWS, 'Multiprocessing is not supported on Windows') | |
| 373 def testThreadsSurviveExceptionsInFuncMultiProcessSingleThread(self): | |
| 374 self._TestThreadsSurviveExceptionsInFunc(3, 1) | |
| 375 | |
| 376 @RequiresIsolation | |
| 377 @unittest.skipIf(IS_WINDOWS, 'Multiprocessing is not supported on Windows') | |
| 378 def testThreadsSurviveExceptionsInFuncMultiProcessMultiThread(self): | |
| 379 self._TestThreadsSurviveExceptionsInFunc(3, 3) | |
| 380 | |
| 381 @Timeout | |
| 382 def _TestThreadsSurviveExceptionsInFunc(self, process_count, thread_count): | |
| 383 command_inst = self.command_class(True) | |
| 384 args = ([()] * 5) | |
| 385 self._RunApply(_FailureFunc, args, process_count, thread_count, | |
| 386 command_inst=command_inst, shared_attrs=['failure_count'], | |
| 387 thr_exc_handler=_FailingExceptionHandler) | |
| 388 self.assertEqual(len(args), command_inst.failure_count) | |
| 389 | |
| 390 @RequiresIsolation | |
| 391 def testThreadsSurviveExceptionsInHandlerSingleProcessSingleThread(self): | |
| 392 self._TestThreadsSurviveExceptionsInHandler(1, 1) | |
| 393 | |
| 394 @RequiresIsolation | |
| 395 def testThreadsSurviveExceptionsInHandlerSingleProcessMultiThread(self): | |
| 396 self._TestThreadsSurviveExceptionsInHandler(1, 3) | |
| 397 | |
| 398 @RequiresIsolation | |
| 399 @unittest.skipIf(IS_WINDOWS, 'Multiprocessing is not supported on Windows') | |
| 400 def testThreadsSurviveExceptionsInHandlerMultiProcessSingleThread(self): | |
| 401 self._TestThreadsSurviveExceptionsInHandler(3, 1) | |
| 402 | |
| 403 @RequiresIsolation | |
| 404 @unittest.skipIf(IS_WINDOWS, 'Multiprocessing is not supported on Windows') | |
| 405 def testThreadsSurviveExceptionsInHandlerMultiProcessMultiThread(self): | |
| 406 self._TestThreadsSurviveExceptionsInHandler(3, 3) | |
| 407 | |
| 408 @Timeout | |
| 409 def _TestThreadsSurviveExceptionsInHandler(self, process_count, thread_count): | |
| 410 command_inst = self.command_class(True) | |
| 411 args = ([()] * 5) | |
| 412 self._RunApply(_FailureFunc, args, process_count, thread_count, | |
| 413 command_inst=command_inst, shared_attrs=['failure_count'], | |
| 414 thr_exc_handler=_FailingExceptionHandler) | |
| 415 self.assertEqual(len(args), command_inst.failure_count) | |
| 416 | |
| 417 @RequiresIsolation | |
| 418 @Timeout | |
| 419 def testFailOnErrorFlag(self): | |
| 420 """Tests that fail_on_error produces the correct exception on failure.""" | |
| 421 def _ExpectCustomException(test_func): | |
| 422 try: | |
| 423 test_func() | |
| 424 self.fail( | |
| 425 'Setting fail_on_error should raise any exception encountered.') | |
| 426 except CustomException, e: | |
| 427 pass | |
| 428 except Exception, e: | |
| 429 self.fail('Got unexpected error: ' + str(e)) | |
| 430 | |
| 431 def _RunFailureFunc(): | |
| 432 command_inst = self.command_class(True) | |
| 433 args = ([()] * 5) | |
| 434 self._RunApply(_FailureFunc, args, 1, 1, command_inst=command_inst, | |
| 435 shared_attrs=['failure_count'], fail_on_error=True) | |
| 436 _ExpectCustomException(_RunFailureFunc) | |
| 437 | |
| 438 def _RunFailingIteratorFirstPosition(): | |
| 439 args = FailingIterator(10, [0]) | |
| 440 results = self._RunApply(_ReturnOneValue, args, 1, 1, fail_on_error=True) | |
| 441 self.assertEqual(0, len(results)) | |
| 442 _ExpectCustomException(_RunFailingIteratorFirstPosition) | |
| 443 | |
| 444 def _RunFailingIteratorPositionMiddlePosition(): | |
| 445 args = FailingIterator(10, [5]) | |
| 446 results = self._RunApply(_ReturnOneValue, args, 1, 1, fail_on_error=True) | |
| 447 self.assertEqual(5, len(results)) | |
| 448 _ExpectCustomException(_RunFailingIteratorPositionMiddlePosition) | |
| 449 | |
| 450 def _RunFailingIteratorLastPosition(): | |
| 451 args = FailingIterator(10, [9]) | |
| 452 results = self._RunApply(_ReturnOneValue, args, 1, 1, fail_on_error=True) | |
| 453 self.assertEqual(9, len(results)) | |
| 454 _ExpectCustomException(_RunFailingIteratorLastPosition) | |
| 455 | |
| 456 def _RunFailingIteratorMultiplePositions(): | |
| 457 args = FailingIterator(10, [1, 3, 5]) | |
| 458 results = self._RunApply(_ReturnOneValue, args, 1, 1, fail_on_error=True) | |
| 459 self.assertEqual(1, len(results)) | |
| 460 _ExpectCustomException(_RunFailingIteratorMultiplePositions) | |
| 461 | |
| 462 @RequiresIsolation | |
| 463 def testRecursiveDepthThreeDifferentFunctionsSingleProcessSingleThread(self): | |
| 464 self._TestRecursiveDepthThreeDifferentFunctions(1, 1) | |
| 465 | |
| 466 @RequiresIsolation | |
| 467 def testRecursiveDepthThreeDifferentFunctionsSingleProcessMultiThread(self): | |
| 468 self._TestRecursiveDepthThreeDifferentFunctions(1, 3) | |
| 469 | |
| 470 @RequiresIsolation | |
| 471 @unittest.skipIf(IS_WINDOWS, 'Multiprocessing is not supported on Windows') | |
| 472 def testRecursiveDepthThreeDifferentFunctionsMultiProcessSingleThread(self): | |
| 473 self._TestRecursiveDepthThreeDifferentFunctions(3, 1) | |
| 474 | |
| 475 @RequiresIsolation | |
| 476 @unittest.skipIf(IS_WINDOWS, 'Multiprocessing is not supported on Windows') | |
| 477 def testRecursiveDepthThreeDifferentFunctionsMultiProcessMultiThread(self): | |
| 478 self._TestRecursiveDepthThreeDifferentFunctions(3, 3) | |
| 479 | |
| 480 @Timeout | |
| 481 def _TestRecursiveDepthThreeDifferentFunctions(self, process_count, | |
| 482 thread_count): | |
| 483 """Tests recursive application of Apply. | |
| 484 | |
| 485 Calls Apply(A), where A calls Apply(B) followed by Apply(C) and B calls | |
| 486 Apply(C). | |
| 487 | |
| 488 Args: | |
| 489 process_count: Number of processes to use. | |
| 490 thread_count: Number of threads to use. | |
| 491 """ | |
| 492 base_args = [3, 1, 4, 1, 5] | |
| 493 args = [[process_count, thread_count, count] for count in base_args] | |
| 494 | |
| 495 results = self._RunApply(_ReApplyWithReplicatedArguments, args, | |
| 496 process_count, thread_count) | |
| 497 self.assertEqual(7 * (sum(base_args) + len(base_args)), sum(results)) | |
| 498 | |
| 499 @RequiresIsolation | |
| 500 def testExceptionInProducerRaisesAndTerminatesSingleProcessSingleThread(self): | |
| 501 self._TestExceptionInProducerRaisesAndTerminates(1, 1) | |
| 502 | |
| 503 @RequiresIsolation | |
| 504 def testExceptionInProducerRaisesAndTerminatesSingleProcessMultiThread(self): | |
| 505 self._TestExceptionInProducerRaisesAndTerminates(1, 3) | |
| 506 | |
| 507 @RequiresIsolation | |
| 508 @unittest.skipIf(IS_WINDOWS, 'Multiprocessing is not supported on Windows') | |
| 509 def testExceptionInProducerRaisesAndTerminatesMultiProcessSingleThread(self): | |
| 510 self._TestExceptionInProducerRaisesAndTerminates(3, 1) | |
| 511 | |
| 512 @RequiresIsolation | |
| 513 @unittest.skipIf(IS_WINDOWS, 'Multiprocessing is not supported on Windows') | |
| 514 def testExceptionInProducerRaisesAndTerminatesMultiProcessMultiThread(self): | |
| 515 self._TestExceptionInProducerRaisesAndTerminates(3, 3) | |
| 516 | |
| 517 @Timeout | |
| 518 def _TestExceptionInProducerRaisesAndTerminates(self, process_count, | |
| 519 thread_count): | |
| 520 args = self # The ProducerThread will try and fail to iterate over this. | |
| 521 try: | |
| 522 self._RunApply(_ReturnOneValue, args, process_count, thread_count) | |
| 523 self.fail('Did not raise expected exception.') | |
| 524 except TypeError: | |
| 525 pass | |
| 526 | |
| 527 @RequiresIsolation | |
| 528 def testSkippedArgumentsSingleThreadSingleProcess(self): | |
| 529 self._TestSkippedArguments(1, 1) | |
| 530 | |
| 531 @RequiresIsolation | |
| 532 def testSkippedArgumentsMultiThreadSingleProcess(self): | |
| 533 self._TestSkippedArguments(1, 3) | |
| 534 | |
| 535 @RequiresIsolation | |
| 536 @unittest.skipIf(IS_WINDOWS, 'Multiprocessing is not supported on Windows') | |
| 537 def testSkippedArgumentsSingleThreadMultiProcess(self): | |
| 538 self._TestSkippedArguments(3, 1) | |
| 539 | |
| 540 @RequiresIsolation | |
| 541 @unittest.skipIf(IS_WINDOWS, 'Multiprocessing is not supported on Windows') | |
| 542 def testSkippedArgumentsMultiThreadMultiProcess(self): | |
| 543 self._TestSkippedArguments(3, 3) | |
| 544 | |
| 545 @Timeout | |
| 546 def _TestSkippedArguments(self, process_count, thread_count): | |
| 547 | |
| 548 # Skip a proper subset of the arguments. | |
| 549 n = 2 * process_count * thread_count | |
| 550 args = range(1, n + 1) | |
| 551 results = self._RunApply(_ReturnOneValue, args, process_count, thread_count, | |
| 552 arg_checker=_SkipEvenNumbersArgChecker) | |
| 553 self.assertEqual(n / 2, len(results)) # We know n is even. | |
| 554 self.assertEqual(n / 2, sum(results)) | |
| 555 | |
| 556 # Skip all arguments. | |
| 557 args = [2 * x for x in args] | |
| 558 results = self._RunApply(_ReturnOneValue, args, process_count, thread_count, | |
| 559 arg_checker=_SkipEvenNumbersArgChecker) | |
| 560 self.assertEqual(0, len(results)) | |
| 561 | |
| 562 | |
| 563 class TestParallelismFrameworkWithoutMultiprocessing(TestParallelismFramework): | |
| 564 """Tests parallelism framework works with multiprocessing module unavailable. | |
| 565 | |
| 566 Notably, this test has no way to override previous calls | |
| 567 to gslib.util.MultiprocessingIsAvailable to prevent the initialization of | |
| 568 all of the global variables in command.py, so this still behaves slightly | |
| 569 differently than the behavior one would see on a machine where the | |
| 570 multiprocessing functionality is actually not available (in particular, it | |
| 571 will not catch the case where a global variable that is not available for | |
| 572 the sequential path is referenced before initialization). | |
| 573 """ | |
| 574 command_class = FakeCommandWithoutMultiprocessingModule | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1260493004:
Revert "Add gsutil 4.13 to telemetry/third_party" (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master