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svn+ssh://pythondev@svn.python.org/python/trunk ........ r80552 | victor.stinner | 2010-04-27 23:46:03 +0200 (mar., 27 avril 2010) | 3 lines Issue #7449, part 1: fix test_support.py for Python compiled without thread ........ r80553 | victor.stinner | 2010-04-27 23:47:01 +0200 (mar., 27 avril 2010) | 1 line Issue #7449, part 2: regrtest.py -j option requires thread support ........ r80554 | victor.stinner | 2010-04-27 23:51:26 +0200 (mar., 27 avril 2010) | 9 lines Issue #7449 part 3, test_doctest: import trace module in test_coverage() Import trace module fail if the threading module is missing. test_coverage() is only used if test_doctest.py is used with the -c option. This commit allows to execute the test suite without thread support. Move "import trace" in test_coverage() and use test_support.import_module('trace'). ........ r80555 | victor.stinner | 2010-04-27 23:56:26 +0200 (mar., 27 avril 2010) | 6 lines Issue #7449, part 4: skip test_multiprocessing if thread support is disabled import threading after _multiprocessing to raise a more revelant error message: "No module named _multiprocessing". _multiprocessing is not compiled without thread support. ........ r80556 | victor.stinner | 2010-04-28 00:01:24 +0200 (mer., 28 avril 2010) | 8 lines Issue #7449, part 5: split Test.test_open() of ctypes/test/test_errno.py * Split Test.test_open() in 2 functions: test_open() and test_thread_open() * Skip test_open() and test_thread_open() if we are unable to find the C library * Skip test_thread_open() if thread support is disabled * Use unittest.skipUnless(os.name == "nt", ...) on test_GetLastError() ........ r80564 | victor.stinner | 2010-04-28 00:59:35 +0200 (mer., 28 avril 2010) | 4 lines Issue #7449, part 6: fix test_hashlib for missing threading module Move @test_support.reap_thread decorator from test_main() to test_threaded_hashing(). ........ r80565 | victor.stinner | 2010-04-28 01:01:29 +0200 (mer., 28 avril 2010) | 6 lines Issue #7449, part 7: simplify threading detection in test_capi * Skip TestPendingCalls if threading module is missing * Test if threading module is present or not, instead of test the presence of _testcapi._test_thread_state ........ r80566 | victor.stinner | 2010-04-28 01:03:16 +0200 (mer., 28 avril 2010) | 4 lines Issue #7449, part 8: don't skip the whole test_asynchat if threading is missing TestFifo can be executed without the threading module ........ r80568 | victor.stinner | 2010-04-28 01:14:58 +0200 (mer., 28 avril 2010) | 6 lines Issue #7449, part 9: fix test_xmlrpclib for missing threading module * Skip testcases using threads if threading module is missing * Use "http://" instead of URL in ServerProxyTestCase if threading is missing because URL is not set in this case ........ r80569 | victor.stinner | 2010-04-28 01:33:58 +0200 (mer., 28 avril 2010) | 6 lines Partial revert of r80556 (Issue #7449, part 5, fix ctypes test) Rewrite r80556: the thread test have to be executed just after the test on libc_open() and so the test cannot be splitted in two functions (without duplicating code, and I don't want to duplicate code). ........ r80570 | victor.stinner | 2010-04-28 01:51:16 +0200 (mer., 28 avril 2010) | 8 lines Issue #7449, part 10: test_cmd imports trace module using test_support.import_module() Use test_support.import_module() instead of import to raise a SkipTest exception if the import fail. Import trace fails if the threading module is missing. See also part 3: test_doctest: import trace module in test_coverage(). ........ r80571 | victor.stinner | 2010-04-28 01:55:59 +0200 (mer., 28 avril 2010) | 6 lines Issue #7449, last part (11): fix many tests if thread support is disabled * Use try/except ImportError or test_support.import_module() to import thread and threading modules * Add @unittest.skipUnless(threading, ...) to testcases using threads ........
75 lines
2.1 KiB
Python
75 lines
2.1 KiB
Python
"""This test case provides support for checking forking and wait behavior.
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To test different wait behavior, override the wait_impl method.
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We want fork1() semantics -- only the forking thread survives in the
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child after a fork().
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On some systems (e.g. Solaris without posix threads) we find that all
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active threads survive in the child after a fork(); this is an error.
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"""
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import os, sys, time, unittest
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import test.support as support
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_thread = support.import_module('_thread')
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LONGSLEEP = 2
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SHORTSLEEP = 0.5
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NUM_THREADS = 4
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class ForkWait(unittest.TestCase):
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def setUp(self):
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self.alive = {}
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self.stop = 0
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def f(self, id):
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while not self.stop:
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self.alive[id] = os.getpid()
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try:
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time.sleep(SHORTSLEEP)
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except IOError:
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pass
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def wait_impl(self, cpid):
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for i in range(10):
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# waitpid() shouldn't hang, but some of the buildbots seem to hang
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# in the forking tests. This is an attempt to fix the problem.
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spid, status = os.waitpid(cpid, os.WNOHANG)
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if spid == cpid:
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break
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time.sleep(2 * SHORTSLEEP)
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self.assertEquals(spid, cpid)
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self.assertEquals(status, 0, "cause = %d, exit = %d" % (status&0xff, status>>8))
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def test_wait(self):
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for i in range(NUM_THREADS):
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_thread.start_new(self.f, (i,))
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time.sleep(LONGSLEEP)
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a = sorted(self.alive.keys())
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self.assertEquals(a, list(range(NUM_THREADS)))
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prefork_lives = self.alive.copy()
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if sys.platform in ['unixware7']:
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cpid = os.fork1()
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else:
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cpid = os.fork()
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if cpid == 0:
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# Child
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time.sleep(LONGSLEEP)
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n = 0
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for key in self.alive:
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if self.alive[key] != prefork_lives[key]:
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n += 1
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os._exit(n)
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else:
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# Parent
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self.wait_impl(cpid)
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# Tell threads to die
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self.stop = 1
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time.sleep(2*SHORTSLEEP) # Wait for threads to die
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