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svn+ssh://pythondev@svn.python.org/python/trunk ........ r60355 | neal.norwitz | 2008-01-27 18:10:14 +0100 (Sun, 27 Jan 2008) | 1 line Whitespace cleanup ........ r60356 | neal.norwitz | 2008-01-27 18:10:29 +0100 (Sun, 27 Jan 2008) | 1 line Add assertion that we do not blow out newl ........ r60357 | neal.norwitz | 2008-01-27 18:10:35 +0100 (Sun, 27 Jan 2008) | 1 line Initialize variable to prevent warning on some platform/config. ........ r60358 | neal.norwitz | 2008-01-27 18:10:43 +0100 (Sun, 27 Jan 2008) | 1 line Update to newer version of ffi. Fixes crashes and test failures of longdouble ........ r60359 | neal.norwitz | 2008-01-27 18:10:50 +0100 (Sun, 27 Jan 2008) | 1 line Add a tiny sleep and additional flush to force the file to really be synced. ........ r60360 | neal.norwitz | 2008-01-27 18:10:58 +0100 (Sun, 27 Jan 2008) | 1 line Retry connection in case it fails to reduce flakiness ........ r60361 | neal.norwitz | 2008-01-27 18:11:11 +0100 (Sun, 27 Jan 2008) | 4 lines Catch socket errors that are often the cause of transient failures. Many of these exceptions are due to resource unavailable, so the existing code should be able to handle many more spurious errors. ........ r60362 | neal.norwitz | 2008-01-27 18:12:15 +0100 (Sun, 27 Jan 2008) | 1 line Reduce buffer size since we do not need 1k ........ r60363 | neal.norwitz | 2008-01-27 18:13:07 +0100 (Sun, 27 Jan 2008) | 1 line Print periodic "still working" messages since this suite is slow. ........
112 lines
4.4 KiB
Python
112 lines
4.4 KiB
Python
import unittest
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from test import test_support
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import os
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import resource
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import time
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# This test is checking a few specific problem spots with the resource module.
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class ResourceTest(unittest.TestCase):
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def test_args(self):
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self.assertRaises(TypeError, resource.getrlimit)
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self.assertRaises(TypeError, resource.getrlimit, 42, 42)
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self.assertRaises(TypeError, resource.setrlimit)
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self.assertRaises(TypeError, resource.setrlimit, 42, 42, 42)
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def test_fsize_ismax(self):
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try:
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(cur, max) = resource.getrlimit(resource.RLIMIT_FSIZE)
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except AttributeError:
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pass
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else:
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# RLIMIT_FSIZE should be RLIM_INFINITY, which will be a really big
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# number on a platform with large file support. On these platforms,
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# we need to test that the get/setrlimit functions properly convert
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# the number to a C long long and that the conversion doesn't raise
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# an error.
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self.assertEqual(resource.RLIM_INFINITY, max)
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resource.setrlimit(resource.RLIMIT_FSIZE, (cur, max))
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def test_fsize_enforced(self):
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try:
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(cur, max) = resource.getrlimit(resource.RLIMIT_FSIZE)
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except AttributeError:
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pass
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else:
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# Check to see what happens when the RLIMIT_FSIZE is small. Some
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# versions of Python were terminated by an uncaught SIGXFSZ, but
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# pythonrun.c has been fixed to ignore that exception. If so, the
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# write() should return EFBIG when the limit is exceeded.
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# At least one platform has an unlimited RLIMIT_FSIZE and attempts
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# to change it raise ValueError instead.
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try:
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try:
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resource.setrlimit(resource.RLIMIT_FSIZE, (1024, max))
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limit_set = True
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except ValueError:
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limit_set = False
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f = open(test_support.TESTFN, "wb")
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try:
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f.write(b"X" * 1024)
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try:
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f.write(b"Y")
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f.flush()
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# On some systems (e.g., Ubuntu on hppa) the flush()
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# doesn't always cause the exception, but the close()
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# does eventually. Try closing several times in
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# an attempt to ensure the file is really synced and
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# the exception raised.
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for i in range(5):
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time.sleep(.1)
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f.flush()
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f.close()
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except IOError:
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if not limit_set:
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raise
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if limit_set:
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# Close will attempt to flush the byte we wrote
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# Restore limit first to avoid getting a spurious error
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resource.setrlimit(resource.RLIMIT_FSIZE, (cur, max))
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finally:
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f.close()
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finally:
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if limit_set:
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resource.setrlimit(resource.RLIMIT_FSIZE, (cur, max))
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test_support.unlink(test_support.TESTFN)
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def test_fsize_toobig(self):
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# Be sure that setrlimit is checking for really large values
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too_big = 10**50
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try:
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(cur, max) = resource.getrlimit(resource.RLIMIT_FSIZE)
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except AttributeError:
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pass
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else:
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try:
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resource.setrlimit(resource.RLIMIT_FSIZE, (too_big, max))
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except (OverflowError, ValueError):
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pass
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try:
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resource.setrlimit(resource.RLIMIT_FSIZE, (max, too_big))
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except (OverflowError, ValueError):
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pass
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def test_getrusage(self):
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self.assertRaises(TypeError, resource.getrusage)
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self.assertRaises(TypeError, resource.getrusage, 42, 42)
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usageself = resource.getrusage(resource.RUSAGE_SELF)
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usagechildren = resource.getrusage(resource.RUSAGE_CHILDREN)
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# May not be available on all systems.
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try:
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usageboth = resource.getrusage(resource.RUSAGE_BOTH)
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except (ValueError, AttributeError):
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pass
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def test_main(verbose=None):
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test_support.run_unittest(ResourceTest)
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if __name__ == "__main__":
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test_main()
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