lib-python.2.5.test.test_posix.py Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of jython Show documentation
Show all versions of jython Show documentation
Jython is an implementation of the high-level, dynamic, object-oriented
language Python written in 100% Pure Java, and seamlessly integrated with
the Java platform. It thus allows you to run Python on any Java platform.
"Test posix functions"
from test import test_support
try:
import posix
except ImportError:
raise test_support.TestSkipped, "posix is not available"
import time
import os
import pwd
import sys
import unittest
import warnings
warnings.filterwarnings('ignore', '.* potential security risk .*',
RuntimeWarning)
class PosixTester(unittest.TestCase):
def setUp(self):
# create empty file
fp = open(test_support.TESTFN, 'w+')
fp.close()
def tearDown(self):
os.unlink(test_support.TESTFN)
def testNoArgFunctions(self):
# test posix functions which take no arguments and have
# no side-effects which we need to cleanup (e.g., fork, wait, abort)
NO_ARG_FUNCTIONS = [ "ctermid", "getcwd", "getcwdu", "uname",
"times", "getloadavg", "tmpnam",
"getegid", "geteuid", "getgid", "getgroups",
"getpid", "getpgrp", "getppid", "getuid",
]
for name in NO_ARG_FUNCTIONS:
posix_func = getattr(posix, name, None)
if posix_func is not None:
posix_func()
self.assertRaises(TypeError, posix_func, 1)
def test_statvfs(self):
if hasattr(posix, 'statvfs'):
self.assert_(posix.statvfs(os.curdir))
def test_fstatvfs(self):
if hasattr(posix, 'fstatvfs'):
fp = open(test_support.TESTFN)
try:
self.assert_(posix.fstatvfs(fp.fileno()))
finally:
fp.close()
def test_ftruncate(self):
if hasattr(posix, 'ftruncate'):
fp = open(test_support.TESTFN, 'w+')
try:
# we need to have some data to truncate
fp.write('test')
fp.flush()
posix.ftruncate(fp.fileno(), 0)
finally:
fp.close()
def test_dup(self):
if hasattr(posix, 'dup'):
fp = open(test_support.TESTFN)
try:
fd = posix.dup(fp.fileno())
self.assert_(isinstance(fd, int))
os.close(fd)
finally:
fp.close()
def test_confstr(self):
if hasattr(posix, 'confstr'):
self.assertRaises(ValueError, posix.confstr, "CS_garbage")
self.assertEqual(len(posix.confstr("CS_PATH")) > 0, True)
def test_dup2(self):
if hasattr(posix, 'dup2'):
fp1 = open(test_support.TESTFN)
fp2 = open(test_support.TESTFN)
try:
posix.dup2(fp1.fileno(), fp2.fileno())
finally:
fp1.close()
fp2.close()
def fdopen_helper(self, *args):
fd = os.open(test_support.TESTFN, os.O_RDONLY)
fp2 = posix.fdopen(fd, *args)
fp2.close()
def test_fdopen(self):
if hasattr(posix, 'fdopen'):
self.fdopen_helper()
self.fdopen_helper('r')
self.fdopen_helper('r', 100)
def test_osexlock(self):
if hasattr(posix, "O_EXLOCK"):
fd = os.open(test_support.TESTFN,
os.O_WRONLY|os.O_EXLOCK|os.O_CREAT)
self.assertRaises(OSError, os.open, test_support.TESTFN,
os.O_WRONLY|os.O_EXLOCK|os.O_NONBLOCK)
os.close(fd)
if hasattr(posix, "O_SHLOCK"):
fd = os.open(test_support.TESTFN,
os.O_WRONLY|os.O_SHLOCK|os.O_CREAT)
self.assertRaises(OSError, os.open, test_support.TESTFN,
os.O_WRONLY|os.O_EXLOCK|os.O_NONBLOCK)
os.close(fd)
def test_osshlock(self):
if hasattr(posix, "O_SHLOCK"):
fd1 = os.open(test_support.TESTFN,
os.O_WRONLY|os.O_SHLOCK|os.O_CREAT)
fd2 = os.open(test_support.TESTFN,
os.O_WRONLY|os.O_SHLOCK|os.O_CREAT)
os.close(fd2)
os.close(fd1)
if hasattr(posix, "O_EXLOCK"):
fd = os.open(test_support.TESTFN,
os.O_WRONLY|os.O_SHLOCK|os.O_CREAT)
self.assertRaises(OSError, os.open, test_support.TESTFN,
os.O_RDONLY|os.O_EXLOCK|os.O_NONBLOCK)
os.close(fd)
def test_fstat(self):
if hasattr(posix, 'fstat'):
fp = open(test_support.TESTFN)
try:
self.assert_(posix.fstat(fp.fileno()))
finally:
fp.close()
def test_stat(self):
if hasattr(posix, 'stat'):
self.assert_(posix.stat(test_support.TESTFN))
if hasattr(posix, 'chown'):
def test_chown(self):
# raise an OSError if the file does not exist
os.unlink(test_support.TESTFN)
self.assertRaises(OSError, posix.chown, test_support.TESTFN, -1, -1)
# re-create the file
open(test_support.TESTFN, 'w').close()
if os.getuid() == 0:
try:
# Many linux distros have a nfsnobody user as MAX_UID-2
# that makes a good test case for signedness issues.
# http://bugs.python.org/issue1747858
# This part of the test only runs when run as root.
# Only scary people run their tests as root.
ent = pwd.getpwnam('nfsnobody')
posix.chown(test_support.TESTFN, ent.pw_uid, ent.pw_gid)
except KeyError:
pass
else:
# non-root cannot chown to root, raises OSError
self.assertRaises(OSError, posix.chown,
test_support.TESTFN, 0, 0)
# test a successful chown call
posix.chown(test_support.TESTFN, os.getuid(), os.getgid())
def test_chdir(self):
if hasattr(posix, 'chdir'):
posix.chdir(os.curdir)
self.assertRaises(OSError, posix.chdir, test_support.TESTFN)
def test_lsdir(self):
if hasattr(posix, 'lsdir'):
self.assert_(test_support.TESTFN in posix.lsdir(os.curdir))
def test_access(self):
if hasattr(posix, 'access'):
self.assert_(posix.access(test_support.TESTFN, os.R_OK))
def test_umask(self):
if hasattr(posix, 'umask'):
old_mask = posix.umask(0)
self.assert_(isinstance(old_mask, int))
posix.umask(old_mask)
def test_strerror(self):
if hasattr(posix, 'strerror'):
self.assert_(posix.strerror(0))
def test_pipe(self):
if hasattr(posix, 'pipe'):
reader, writer = posix.pipe()
os.close(reader)
os.close(writer)
def test_tempnam(self):
if hasattr(posix, 'tempnam'):
self.assert_(posix.tempnam())
self.assert_(posix.tempnam(os.curdir))
self.assert_(posix.tempnam(os.curdir, 'blah'))
def test_tmpfile(self):
if hasattr(posix, 'tmpfile'):
fp = posix.tmpfile()
fp.close()
def test_utime(self):
if hasattr(posix, 'utime'):
now = time.time()
posix.utime(test_support.TESTFN, None)
self.assertRaises(TypeError, posix.utime, test_support.TESTFN, (None, None))
self.assertRaises(TypeError, posix.utime, test_support.TESTFN, (now, None))
self.assertRaises(TypeError, posix.utime, test_support.TESTFN, (None, now))
posix.utime(test_support.TESTFN, (int(now), int(now)))
posix.utime(test_support.TESTFN, (now, now))
def test_main():
test_support.run_unittest(PosixTester)
if __name__ == '__main__':
test_main()