896 lines
33 KiB
Python
896 lines
33 KiB
Python
# As a test suite for the os module, this is woefully inadequate, but this
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# does add tests for a few functions which have been determined to be more
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# portable than they had been thought to be.
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import os
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import errno
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import unittest
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import warnings
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import sys
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import signal
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import subprocess
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import time
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try:
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import resource
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except ImportError:
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resource = None
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from test import test_support
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from test.script_helper import assert_python_ok
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import mmap
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import uuid
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warnings.filterwarnings("ignore", "tempnam", RuntimeWarning, __name__)
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warnings.filterwarnings("ignore", "tmpnam", RuntimeWarning, __name__)
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# Tests creating TESTFN
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class FileTests(unittest.TestCase):
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def setUp(self):
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if os.path.exists(test_support.TESTFN):
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os.unlink(test_support.TESTFN)
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tearDown = setUp
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def test_access(self):
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f = os.open(test_support.TESTFN, os.O_CREAT|os.O_RDWR)
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os.close(f)
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self.assertTrue(os.access(test_support.TESTFN, os.W_OK))
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def test_closerange(self):
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first = os.open(test_support.TESTFN, os.O_CREAT|os.O_RDWR)
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# We must allocate two consecutive file descriptors, otherwise
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# it will mess up other file descriptors (perhaps even the three
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# standard ones).
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second = os.dup(first)
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try:
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retries = 0
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while second != first + 1:
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os.close(first)
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retries += 1
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if retries > 10:
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# XXX test skipped
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self.skipTest("couldn't allocate two consecutive fds")
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first, second = second, os.dup(second)
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finally:
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os.close(second)
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# close a fd that is open, and one that isn't
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os.closerange(first, first + 2)
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self.assertRaises(OSError, os.write, first, "a")
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@test_support.cpython_only
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def test_rename(self):
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path = unicode(test_support.TESTFN)
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old = sys.getrefcount(path)
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self.assertRaises(TypeError, os.rename, path, 0)
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new = sys.getrefcount(path)
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self.assertEqual(old, new)
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class TemporaryFileTests(unittest.TestCase):
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def setUp(self):
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self.files = []
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os.mkdir(test_support.TESTFN)
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def tearDown(self):
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for name in self.files:
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os.unlink(name)
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os.rmdir(test_support.TESTFN)
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def check_tempfile(self, name):
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# make sure it doesn't already exist:
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self.assertFalse(os.path.exists(name),
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"file already exists for temporary file")
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# make sure we can create the file
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open(name, "w")
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self.files.append(name)
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def test_tempnam(self):
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if not hasattr(os, "tempnam"):
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return
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with warnings.catch_warnings():
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warnings.filterwarnings("ignore", "tempnam", RuntimeWarning,
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r"test_os$")
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warnings.filterwarnings("ignore", "tempnam", DeprecationWarning)
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self.check_tempfile(os.tempnam())
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name = os.tempnam(test_support.TESTFN)
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self.check_tempfile(name)
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name = os.tempnam(test_support.TESTFN, "pfx")
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self.assertTrue(os.path.basename(name)[:3] == "pfx")
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self.check_tempfile(name)
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def test_tmpfile(self):
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if not hasattr(os, "tmpfile"):
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return
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# As with test_tmpnam() below, the Windows implementation of tmpfile()
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# attempts to create a file in the root directory of the current drive.
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# On Vista and Server 2008, this test will always fail for normal users
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# as writing to the root directory requires elevated privileges. With
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# XP and below, the semantics of tmpfile() are the same, but the user
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# running the test is more likely to have administrative privileges on
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# their account already. If that's the case, then os.tmpfile() should
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# work. In order to make this test as useful as possible, rather than
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# trying to detect Windows versions or whether or not the user has the
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# right permissions, just try and create a file in the root directory
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# and see if it raises a 'Permission denied' OSError. If it does, then
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# test that a subsequent call to os.tmpfile() raises the same error. If
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# it doesn't, assume we're on XP or below and the user running the test
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# has administrative privileges, and proceed with the test as normal.
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with warnings.catch_warnings():
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warnings.filterwarnings("ignore", "tmpfile", DeprecationWarning)
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if sys.platform == 'win32':
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name = '\\python_test_os_test_tmpfile.txt'
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if os.path.exists(name):
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os.remove(name)
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try:
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fp = open(name, 'w')
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except IOError, first:
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# open() failed, assert tmpfile() fails in the same way.
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# Although open() raises an IOError and os.tmpfile() raises an
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# OSError(), 'args' will be (13, 'Permission denied') in both
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# cases.
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try:
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fp = os.tmpfile()
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except OSError, second:
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self.assertEqual(first.args, second.args)
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else:
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self.fail("expected os.tmpfile() to raise OSError")
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return
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else:
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# open() worked, therefore, tmpfile() should work. Close our
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# dummy file and proceed with the test as normal.
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fp.close()
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os.remove(name)
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fp = os.tmpfile()
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fp.write("foobar")
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fp.seek(0,0)
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s = fp.read()
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fp.close()
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self.assertTrue(s == "foobar")
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def test_tmpnam(self):
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if not hasattr(os, "tmpnam"):
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return
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with warnings.catch_warnings():
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warnings.filterwarnings("ignore", "tmpnam", RuntimeWarning,
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r"test_os$")
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warnings.filterwarnings("ignore", "tmpnam", DeprecationWarning)
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name = os.tmpnam()
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if sys.platform in ("win32",):
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# The Windows tmpnam() seems useless. From the MS docs:
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#
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# The character string that tmpnam creates consists of
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# the path prefix, defined by the entry P_tmpdir in the
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# file STDIO.H, followed by a sequence consisting of the
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# digit characters '0' through '9'; the numerical value
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# of this string is in the range 1 - 65,535. Changing the
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# definitions of L_tmpnam or P_tmpdir in STDIO.H does not
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# change the operation of tmpnam.
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#
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# The really bizarre part is that, at least under MSVC6,
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# P_tmpdir is "\\". That is, the path returned refers to
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# the root of the current drive. That's a terrible place to
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# put temp files, and, depending on privileges, the user
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# may not even be able to open a file in the root directory.
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self.assertFalse(os.path.exists(name),
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"file already exists for temporary file")
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else:
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self.check_tempfile(name)
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# Test attributes on return values from os.*stat* family.
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class StatAttributeTests(unittest.TestCase):
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def setUp(self):
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os.mkdir(test_support.TESTFN)
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self.fname = os.path.join(test_support.TESTFN, "f1")
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f = open(self.fname, 'wb')
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f.write("ABC")
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f.close()
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def tearDown(self):
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os.unlink(self.fname)
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os.rmdir(test_support.TESTFN)
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def test_stat_attributes(self):
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if not hasattr(os, "stat"):
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return
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import stat
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result = os.stat(self.fname)
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# Make sure direct access works
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self.assertEqual(result[stat.ST_SIZE], 3)
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self.assertEqual(result.st_size, 3)
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# Make sure all the attributes are there
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members = dir(result)
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for name in dir(stat):
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if name[:3] == 'ST_':
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attr = name.lower()
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if name.endswith("TIME"):
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def trunc(x): return int(x)
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else:
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def trunc(x): return x
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self.assertEqual(trunc(getattr(result, attr)),
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result[getattr(stat, name)])
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self.assertIn(attr, members)
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try:
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result[200]
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self.fail("No exception raised")
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except IndexError:
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pass
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# Make sure that assignment fails
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try:
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result.st_mode = 1
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self.fail("No exception raised")
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except (AttributeError, TypeError):
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pass
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try:
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result.st_rdev = 1
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self.fail("No exception raised")
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except (AttributeError, TypeError):
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pass
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try:
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result.parrot = 1
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self.fail("No exception raised")
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except AttributeError:
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pass
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# Use the stat_result constructor with a too-short tuple.
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try:
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result2 = os.stat_result((10,))
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self.fail("No exception raised")
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except TypeError:
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pass
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# Use the constructor with a too-long tuple.
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try:
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result2 = os.stat_result((0,1,2,3,4,5,6,7,8,9,10,11,12,13,14))
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except TypeError:
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pass
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def test_statvfs_attributes(self):
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if not hasattr(os, "statvfs"):
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return
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try:
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result = os.statvfs(self.fname)
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except OSError, e:
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# On AtheOS, glibc always returns ENOSYS
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if e.errno == errno.ENOSYS:
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return
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# Make sure direct access works
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self.assertEqual(result.f_bfree, result[3])
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# Make sure all the attributes are there.
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members = ('bsize', 'frsize', 'blocks', 'bfree', 'bavail', 'files',
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'ffree', 'favail', 'flag', 'namemax')
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for value, member in enumerate(members):
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self.assertEqual(getattr(result, 'f_' + member), result[value])
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# Make sure that assignment really fails
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try:
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result.f_bfree = 1
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self.fail("No exception raised")
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except TypeError:
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pass
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try:
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result.parrot = 1
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self.fail("No exception raised")
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except AttributeError:
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pass
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# Use the constructor with a too-short tuple.
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try:
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result2 = os.statvfs_result((10,))
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self.fail("No exception raised")
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except TypeError:
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pass
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# Use the constructor with a too-long tuple.
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try:
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result2 = os.statvfs_result((0,1,2,3,4,5,6,7,8,9,10,11,12,13,14))
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except TypeError:
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pass
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def test_utime_dir(self):
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delta = 1000000
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st = os.stat(test_support.TESTFN)
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# round to int, because some systems may support sub-second
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# time stamps in stat, but not in utime.
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os.utime(test_support.TESTFN, (st.st_atime, int(st.st_mtime-delta)))
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st2 = os.stat(test_support.TESTFN)
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self.assertEqual(st2.st_mtime, int(st.st_mtime-delta))
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# Restrict test to Win32, since there is no guarantee other
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# systems support centiseconds
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if sys.platform == 'win32':
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def get_file_system(path):
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root = os.path.splitdrive(os.path.abspath(path))[0] + '\\'
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import ctypes
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kernel32 = ctypes.windll.kernel32
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buf = ctypes.create_string_buffer("", 100)
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if kernel32.GetVolumeInformationA(root, None, 0, None, None, None, buf, len(buf)):
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return buf.value
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if get_file_system(test_support.TESTFN) == "NTFS":
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def test_1565150(self):
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t1 = 1159195039.25
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os.utime(self.fname, (t1, t1))
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self.assertEqual(os.stat(self.fname).st_mtime, t1)
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def test_large_time(self):
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t1 = 5000000000 # some day in 2128
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os.utime(self.fname, (t1, t1))
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self.assertEqual(os.stat(self.fname).st_mtime, t1)
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def test_1686475(self):
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# Verify that an open file can be stat'ed
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try:
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os.stat(r"c:\pagefile.sys")
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except WindowsError, e:
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if e.errno == 2: # file does not exist; cannot run test
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return
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self.fail("Could not stat pagefile.sys")
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from test import mapping_tests
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class EnvironTests(mapping_tests.BasicTestMappingProtocol):
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"""check that os.environ object conform to mapping protocol"""
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type2test = None
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def _reference(self):
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return {"KEY1":"VALUE1", "KEY2":"VALUE2", "KEY3":"VALUE3"}
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def _empty_mapping(self):
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os.environ.clear()
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return os.environ
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def setUp(self):
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self.__save = dict(os.environ)
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os.environ.clear()
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def tearDown(self):
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os.environ.clear()
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os.environ.update(self.__save)
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# Bug 1110478
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def test_update2(self):
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if os.path.exists("/bin/sh"):
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os.environ.update(HELLO="World")
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with os.popen("/bin/sh -c 'echo $HELLO'") as popen:
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value = popen.read().strip()
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self.assertEqual(value, "World")
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# On FreeBSD < 7 and OS X < 10.6, unsetenv() doesn't return a value (issue
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# #13415).
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@unittest.skipIf(sys.platform.startswith(('freebsd', 'darwin')),
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"due to known OS bug: see issue #13415")
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def test_unset_error(self):
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if sys.platform == "win32":
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# an environment variable is limited to 32,767 characters
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key = 'x' * 50000
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self.assertRaises(ValueError, os.environ.__delitem__, key)
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else:
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# "=" is not allowed in a variable name
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key = 'key='
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self.assertRaises(OSError, os.environ.__delitem__, key)
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class WalkTests(unittest.TestCase):
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"""Tests for os.walk()."""
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def test_traversal(self):
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import os
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from os.path import join
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# Build:
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# TESTFN/
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# TEST1/ a file kid and two directory kids
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# tmp1
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# SUB1/ a file kid and a directory kid
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# tmp2
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# SUB11/ no kids
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# SUB2/ a file kid and a dirsymlink kid
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# tmp3
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# link/ a symlink to TESTFN.2
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# TEST2/
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# tmp4 a lone file
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walk_path = join(test_support.TESTFN, "TEST1")
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sub1_path = join(walk_path, "SUB1")
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sub11_path = join(sub1_path, "SUB11")
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sub2_path = join(walk_path, "SUB2")
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tmp1_path = join(walk_path, "tmp1")
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tmp2_path = join(sub1_path, "tmp2")
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tmp3_path = join(sub2_path, "tmp3")
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link_path = join(sub2_path, "link")
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t2_path = join(test_support.TESTFN, "TEST2")
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tmp4_path = join(test_support.TESTFN, "TEST2", "tmp4")
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# Create stuff.
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os.makedirs(sub11_path)
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os.makedirs(sub2_path)
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os.makedirs(t2_path)
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for path in tmp1_path, tmp2_path, tmp3_path, tmp4_path:
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f = file(path, "w")
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f.write("I'm " + path + " and proud of it. Blame test_os.\n")
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f.close()
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if hasattr(os, "symlink"):
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os.symlink(os.path.abspath(t2_path), link_path)
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sub2_tree = (sub2_path, ["link"], ["tmp3"])
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else:
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sub2_tree = (sub2_path, [], ["tmp3"])
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# Walk top-down.
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all = list(os.walk(walk_path))
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self.assertEqual(len(all), 4)
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# We can't know which order SUB1 and SUB2 will appear in.
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# Not flipped: TESTFN, SUB1, SUB11, SUB2
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# flipped: TESTFN, SUB2, SUB1, SUB11
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flipped = all[0][1][0] != "SUB1"
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all[0][1].sort()
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self.assertEqual(all[0], (walk_path, ["SUB1", "SUB2"], ["tmp1"]))
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self.assertEqual(all[1 + flipped], (sub1_path, ["SUB11"], ["tmp2"]))
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self.assertEqual(all[2 + flipped], (sub11_path, [], []))
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self.assertEqual(all[3 - 2 * flipped], sub2_tree)
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# Prune the search.
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all = []
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for root, dirs, files in os.walk(walk_path):
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all.append((root, dirs, files))
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# Don't descend into SUB1.
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if 'SUB1' in dirs:
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# Note that this also mutates the dirs we appended to all!
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dirs.remove('SUB1')
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self.assertEqual(len(all), 2)
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self.assertEqual(all[0], (walk_path, ["SUB2"], ["tmp1"]))
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self.assertEqual(all[1], sub2_tree)
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# Walk bottom-up.
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all = list(os.walk(walk_path, topdown=False))
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self.assertEqual(len(all), 4)
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# We can't know which order SUB1 and SUB2 will appear in.
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# Not flipped: SUB11, SUB1, SUB2, TESTFN
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# flipped: SUB2, SUB11, SUB1, TESTFN
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flipped = all[3][1][0] != "SUB1"
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all[3][1].sort()
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self.assertEqual(all[3], (walk_path, ["SUB1", "SUB2"], ["tmp1"]))
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self.assertEqual(all[flipped], (sub11_path, [], []))
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self.assertEqual(all[flipped + 1], (sub1_path, ["SUB11"], ["tmp2"]))
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self.assertEqual(all[2 - 2 * flipped], sub2_tree)
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if hasattr(os, "symlink"):
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# Walk, following symlinks.
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for root, dirs, files in os.walk(walk_path, followlinks=True):
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if root == link_path:
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self.assertEqual(dirs, [])
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self.assertEqual(files, ["tmp4"])
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break
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else:
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self.fail("Didn't follow symlink with followlinks=True")
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def tearDown(self):
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# Tear everything down. This is a decent use for bottom-up on
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# Windows, which doesn't have a recursive delete command. The
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# (not so) subtlety is that rmdir will fail unless the dir's
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# kids are removed first, so bottom up is essential.
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for root, dirs, files in os.walk(test_support.TESTFN, topdown=False):
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for name in files:
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os.remove(os.path.join(root, name))
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for name in dirs:
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dirname = os.path.join(root, name)
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if not os.path.islink(dirname):
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os.rmdir(dirname)
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|
else:
|
|
os.remove(dirname)
|
|
os.rmdir(test_support.TESTFN)
|
|
|
|
class MakedirTests (unittest.TestCase):
|
|
def setUp(self):
|
|
os.mkdir(test_support.TESTFN)
|
|
|
|
def test_makedir(self):
|
|
base = test_support.TESTFN
|
|
path = os.path.join(base, 'dir1', 'dir2', 'dir3')
|
|
os.makedirs(path) # Should work
|
|
path = os.path.join(base, 'dir1', 'dir2', 'dir3', 'dir4')
|
|
os.makedirs(path)
|
|
|
|
# Try paths with a '.' in them
|
|
self.assertRaises(OSError, os.makedirs, os.curdir)
|
|
path = os.path.join(base, 'dir1', 'dir2', 'dir3', 'dir4', 'dir5', os.curdir)
|
|
os.makedirs(path)
|
|
path = os.path.join(base, 'dir1', os.curdir, 'dir2', 'dir3', 'dir4',
|
|
'dir5', 'dir6')
|
|
os.makedirs(path)
|
|
|
|
|
|
|
|
|
|
def tearDown(self):
|
|
path = os.path.join(test_support.TESTFN, 'dir1', 'dir2', 'dir3',
|
|
'dir4', 'dir5', 'dir6')
|
|
# If the tests failed, the bottom-most directory ('../dir6')
|
|
# may not have been created, so we look for the outermost directory
|
|
# that exists.
|
|
while not os.path.exists(path) and path != test_support.TESTFN:
|
|
path = os.path.dirname(path)
|
|
|
|
os.removedirs(path)
|
|
|
|
class DevNullTests (unittest.TestCase):
|
|
def test_devnull(self):
|
|
f = file(os.devnull, 'w')
|
|
f.write('hello')
|
|
f.close()
|
|
f = file(os.devnull, 'r')
|
|
self.assertEqual(f.read(), '')
|
|
f.close()
|
|
|
|
class URandomTests (unittest.TestCase):
|
|
|
|
def test_urandom_length(self):
|
|
self.assertEqual(len(os.urandom(0)), 0)
|
|
self.assertEqual(len(os.urandom(1)), 1)
|
|
self.assertEqual(len(os.urandom(10)), 10)
|
|
self.assertEqual(len(os.urandom(100)), 100)
|
|
self.assertEqual(len(os.urandom(1000)), 1000)
|
|
|
|
def test_urandom_value(self):
|
|
data1 = os.urandom(16)
|
|
data2 = os.urandom(16)
|
|
self.assertNotEqual(data1, data2)
|
|
|
|
def get_urandom_subprocess(self, count):
|
|
# We need to use repr() and eval() to avoid line ending conversions
|
|
# under Windows.
|
|
code = '\n'.join((
|
|
'import os, sys',
|
|
'data = os.urandom(%s)' % count,
|
|
'sys.stdout.write(repr(data))',
|
|
'sys.stdout.flush()',
|
|
'print >> sys.stderr, (len(data), data)'))
|
|
cmd_line = [sys.executable, '-c', code]
|
|
p = subprocess.Popen(cmd_line, stdin=subprocess.PIPE,
|
|
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
|
|
out, err = p.communicate()
|
|
self.assertEqual(p.wait(), 0, (p.wait(), err))
|
|
out = eval(out)
|
|
self.assertEqual(len(out), count, err)
|
|
return out
|
|
|
|
def test_urandom_subprocess(self):
|
|
data1 = self.get_urandom_subprocess(16)
|
|
data2 = self.get_urandom_subprocess(16)
|
|
self.assertNotEqual(data1, data2)
|
|
|
|
@unittest.skipUnless(resource, "test requires the resource module")
|
|
def test_urandom_failure(self):
|
|
# Check urandom() failing when it is not able to open /dev/random.
|
|
# We spawn a new process to make the test more robust (if getrlimit()
|
|
# failed to restore the file descriptor limit after this, the whole
|
|
# test suite would crash; this actually happened on the OS X Tiger
|
|
# buildbot).
|
|
code = """if 1:
|
|
import errno
|
|
import os
|
|
import resource
|
|
|
|
soft_limit, hard_limit = resource.getrlimit(resource.RLIMIT_NOFILE)
|
|
resource.setrlimit(resource.RLIMIT_NOFILE, (1, hard_limit))
|
|
try:
|
|
os.urandom(16)
|
|
except OSError as e:
|
|
assert e.errno == errno.EMFILE, e.errno
|
|
else:
|
|
raise AssertionError("OSError not raised")
|
|
"""
|
|
assert_python_ok('-c', code)
|
|
|
|
|
|
class ExecvpeTests(unittest.TestCase):
|
|
|
|
def test_execvpe_with_bad_arglist(self):
|
|
self.assertRaises(ValueError, os.execvpe, 'notepad', [], None)
|
|
|
|
|
|
class Win32ErrorTests(unittest.TestCase):
|
|
def test_rename(self):
|
|
self.assertRaises(WindowsError, os.rename, test_support.TESTFN, test_support.TESTFN+".bak")
|
|
|
|
def test_remove(self):
|
|
self.assertRaises(WindowsError, os.remove, test_support.TESTFN)
|
|
|
|
def test_chdir(self):
|
|
self.assertRaises(WindowsError, os.chdir, test_support.TESTFN)
|
|
|
|
def test_mkdir(self):
|
|
f = open(test_support.TESTFN, "w")
|
|
try:
|
|
self.assertRaises(WindowsError, os.mkdir, test_support.TESTFN)
|
|
finally:
|
|
f.close()
|
|
os.unlink(test_support.TESTFN)
|
|
|
|
def test_utime(self):
|
|
self.assertRaises(WindowsError, os.utime, test_support.TESTFN, None)
|
|
|
|
def test_chmod(self):
|
|
self.assertRaises(WindowsError, os.chmod, test_support.TESTFN, 0)
|
|
|
|
class TestInvalidFD(unittest.TestCase):
|
|
singles = ["fchdir", "fdopen", "dup", "fdatasync", "fstat",
|
|
"fstatvfs", "fsync", "tcgetpgrp", "ttyname"]
|
|
#singles.append("close")
|
|
#We omit close because it doesn'r raise an exception on some platforms
|
|
def get_single(f):
|
|
def helper(self):
|
|
if hasattr(os, f):
|
|
self.check(getattr(os, f))
|
|
return helper
|
|
for f in singles:
|
|
locals()["test_"+f] = get_single(f)
|
|
|
|
def check(self, f, *args):
|
|
try:
|
|
f(test_support.make_bad_fd(), *args)
|
|
except OSError as e:
|
|
self.assertEqual(e.errno, errno.EBADF)
|
|
else:
|
|
self.fail("%r didn't raise a OSError with a bad file descriptor"
|
|
% f)
|
|
|
|
def test_isatty(self):
|
|
if hasattr(os, "isatty"):
|
|
self.assertEqual(os.isatty(test_support.make_bad_fd()), False)
|
|
|
|
def test_closerange(self):
|
|
if hasattr(os, "closerange"):
|
|
fd = test_support.make_bad_fd()
|
|
# Make sure none of the descriptors we are about to close are
|
|
# currently valid (issue 6542).
|
|
for i in range(10):
|
|
try: os.fstat(fd+i)
|
|
except OSError:
|
|
pass
|
|
else:
|
|
break
|
|
if i < 2:
|
|
raise unittest.SkipTest(
|
|
"Unable to acquire a range of invalid file descriptors")
|
|
self.assertEqual(os.closerange(fd, fd + i-1), None)
|
|
|
|
def test_dup2(self):
|
|
if hasattr(os, "dup2"):
|
|
self.check(os.dup2, 20)
|
|
|
|
def test_fchmod(self):
|
|
if hasattr(os, "fchmod"):
|
|
self.check(os.fchmod, 0)
|
|
|
|
def test_fchown(self):
|
|
if hasattr(os, "fchown"):
|
|
self.check(os.fchown, -1, -1)
|
|
|
|
def test_fpathconf(self):
|
|
if hasattr(os, "fpathconf"):
|
|
self.check(os.fpathconf, "PC_NAME_MAX")
|
|
|
|
def test_ftruncate(self):
|
|
if hasattr(os, "ftruncate"):
|
|
self.check(os.ftruncate, 0)
|
|
|
|
def test_lseek(self):
|
|
if hasattr(os, "lseek"):
|
|
self.check(os.lseek, 0, 0)
|
|
|
|
def test_read(self):
|
|
if hasattr(os, "read"):
|
|
self.check(os.read, 1)
|
|
|
|
def test_tcsetpgrpt(self):
|
|
if hasattr(os, "tcsetpgrp"):
|
|
self.check(os.tcsetpgrp, 0)
|
|
|
|
def test_write(self):
|
|
if hasattr(os, "write"):
|
|
self.check(os.write, " ")
|
|
|
|
if sys.platform != 'win32':
|
|
class Win32ErrorTests(unittest.TestCase):
|
|
pass
|
|
|
|
class PosixUidGidTests(unittest.TestCase):
|
|
if hasattr(os, 'setuid'):
|
|
def test_setuid(self):
|
|
if os.getuid() != 0:
|
|
self.assertRaises(os.error, os.setuid, 0)
|
|
self.assertRaises(OverflowError, os.setuid, 1<<32)
|
|
|
|
if hasattr(os, 'setgid'):
|
|
def test_setgid(self):
|
|
if os.getuid() != 0:
|
|
self.assertRaises(os.error, os.setgid, 0)
|
|
self.assertRaises(OverflowError, os.setgid, 1<<32)
|
|
|
|
if hasattr(os, 'seteuid'):
|
|
def test_seteuid(self):
|
|
if os.getuid() != 0:
|
|
self.assertRaises(os.error, os.seteuid, 0)
|
|
self.assertRaises(OverflowError, os.seteuid, 1<<32)
|
|
|
|
if hasattr(os, 'setegid'):
|
|
def test_setegid(self):
|
|
if os.getuid() != 0:
|
|
self.assertRaises(os.error, os.setegid, 0)
|
|
self.assertRaises(OverflowError, os.setegid, 1<<32)
|
|
|
|
if hasattr(os, 'setreuid'):
|
|
def test_setreuid(self):
|
|
if os.getuid() != 0:
|
|
self.assertRaises(os.error, os.setreuid, 0, 0)
|
|
self.assertRaises(OverflowError, os.setreuid, 1<<32, 0)
|
|
self.assertRaises(OverflowError, os.setreuid, 0, 1<<32)
|
|
|
|
def test_setreuid_neg1(self):
|
|
# Needs to accept -1. We run this in a subprocess to avoid
|
|
# altering the test runner's process state (issue8045).
|
|
subprocess.check_call([
|
|
sys.executable, '-c',
|
|
'import os,sys;os.setreuid(-1,-1);sys.exit(0)'])
|
|
|
|
if hasattr(os, 'setregid'):
|
|
def test_setregid(self):
|
|
if os.getuid() != 0:
|
|
self.assertRaises(os.error, os.setregid, 0, 0)
|
|
self.assertRaises(OverflowError, os.setregid, 1<<32, 0)
|
|
self.assertRaises(OverflowError, os.setregid, 0, 1<<32)
|
|
|
|
def test_setregid_neg1(self):
|
|
# Needs to accept -1. We run this in a subprocess to avoid
|
|
# altering the test runner's process state (issue8045).
|
|
subprocess.check_call([
|
|
sys.executable, '-c',
|
|
'import os,sys;os.setregid(-1,-1);sys.exit(0)'])
|
|
else:
|
|
class PosixUidGidTests(unittest.TestCase):
|
|
pass
|
|
|
|
@unittest.skipUnless(sys.platform == "win32", "Win32 specific tests")
|
|
class Win32KillTests(unittest.TestCase):
|
|
def _kill(self, sig):
|
|
# Start sys.executable as a subprocess and communicate from the
|
|
# subprocess to the parent that the interpreter is ready. When it
|
|
# becomes ready, send *sig* via os.kill to the subprocess and check
|
|
# that the return code is equal to *sig*.
|
|
import ctypes
|
|
from ctypes import wintypes
|
|
import msvcrt
|
|
|
|
# Since we can't access the contents of the process' stdout until the
|
|
# process has exited, use PeekNamedPipe to see what's inside stdout
|
|
# without waiting. This is done so we can tell that the interpreter
|
|
# is started and running at a point where it could handle a signal.
|
|
PeekNamedPipe = ctypes.windll.kernel32.PeekNamedPipe
|
|
PeekNamedPipe.restype = wintypes.BOOL
|
|
PeekNamedPipe.argtypes = (wintypes.HANDLE, # Pipe handle
|
|
ctypes.POINTER(ctypes.c_char), # stdout buf
|
|
wintypes.DWORD, # Buffer size
|
|
ctypes.POINTER(wintypes.DWORD), # bytes read
|
|
ctypes.POINTER(wintypes.DWORD), # bytes avail
|
|
ctypes.POINTER(wintypes.DWORD)) # bytes left
|
|
msg = "running"
|
|
proc = subprocess.Popen([sys.executable, "-c",
|
|
"import sys;"
|
|
"sys.stdout.write('{}');"
|
|
"sys.stdout.flush();"
|
|
"input()".format(msg)],
|
|
stdout=subprocess.PIPE,
|
|
stderr=subprocess.PIPE,
|
|
stdin=subprocess.PIPE)
|
|
self.addCleanup(proc.stdout.close)
|
|
self.addCleanup(proc.stderr.close)
|
|
self.addCleanup(proc.stdin.close)
|
|
|
|
count, max = 0, 100
|
|
while count < max and proc.poll() is None:
|
|
# Create a string buffer to store the result of stdout from the pipe
|
|
buf = ctypes.create_string_buffer(len(msg))
|
|
# Obtain the text currently in proc.stdout
|
|
# Bytes read/avail/left are left as NULL and unused
|
|
rslt = PeekNamedPipe(msvcrt.get_osfhandle(proc.stdout.fileno()),
|
|
buf, ctypes.sizeof(buf), None, None, None)
|
|
self.assertNotEqual(rslt, 0, "PeekNamedPipe failed")
|
|
if buf.value:
|
|
self.assertEqual(msg, buf.value)
|
|
break
|
|
time.sleep(0.1)
|
|
count += 1
|
|
else:
|
|
self.fail("Did not receive communication from the subprocess")
|
|
|
|
os.kill(proc.pid, sig)
|
|
self.assertEqual(proc.wait(), sig)
|
|
|
|
def test_kill_sigterm(self):
|
|
# SIGTERM doesn't mean anything special, but make sure it works
|
|
self._kill(signal.SIGTERM)
|
|
|
|
def test_kill_int(self):
|
|
# os.kill on Windows can take an int which gets set as the exit code
|
|
self._kill(100)
|
|
|
|
def _kill_with_event(self, event, name):
|
|
tagname = "test_os_%s" % uuid.uuid1()
|
|
m = mmap.mmap(-1, 1, tagname)
|
|
m[0] = '0'
|
|
# Run a script which has console control handling enabled.
|
|
proc = subprocess.Popen([sys.executable,
|
|
os.path.join(os.path.dirname(__file__),
|
|
"win_console_handler.py"), tagname],
|
|
creationflags=subprocess.CREATE_NEW_PROCESS_GROUP)
|
|
# Let the interpreter startup before we send signals. See #3137.
|
|
count, max = 0, 20
|
|
while count < max and proc.poll() is None:
|
|
if m[0] == '1':
|
|
break
|
|
time.sleep(0.5)
|
|
count += 1
|
|
else:
|
|
self.fail("Subprocess didn't finish initialization")
|
|
os.kill(proc.pid, event)
|
|
# proc.send_signal(event) could also be done here.
|
|
# Allow time for the signal to be passed and the process to exit.
|
|
time.sleep(0.5)
|
|
if not proc.poll():
|
|
# Forcefully kill the process if we weren't able to signal it.
|
|
os.kill(proc.pid, signal.SIGINT)
|
|
self.fail("subprocess did not stop on {}".format(name))
|
|
|
|
@unittest.skip("subprocesses aren't inheriting CTRL+C property")
|
|
def test_CTRL_C_EVENT(self):
|
|
from ctypes import wintypes
|
|
import ctypes
|
|
|
|
# Make a NULL value by creating a pointer with no argument.
|
|
NULL = ctypes.POINTER(ctypes.c_int)()
|
|
SetConsoleCtrlHandler = ctypes.windll.kernel32.SetConsoleCtrlHandler
|
|
SetConsoleCtrlHandler.argtypes = (ctypes.POINTER(ctypes.c_int),
|
|
wintypes.BOOL)
|
|
SetConsoleCtrlHandler.restype = wintypes.BOOL
|
|
|
|
# Calling this with NULL and FALSE causes the calling process to
|
|
# handle CTRL+C, rather than ignore it. This property is inherited
|
|
# by subprocesses.
|
|
SetConsoleCtrlHandler(NULL, 0)
|
|
|
|
self._kill_with_event(signal.CTRL_C_EVENT, "CTRL_C_EVENT")
|
|
|
|
def test_CTRL_BREAK_EVENT(self):
|
|
self._kill_with_event(signal.CTRL_BREAK_EVENT, "CTRL_BREAK_EVENT")
|
|
|
|
|
|
def test_main():
|
|
test_support.run_unittest(
|
|
FileTests,
|
|
TemporaryFileTests,
|
|
StatAttributeTests,
|
|
EnvironTests,
|
|
WalkTests,
|
|
MakedirTests,
|
|
DevNullTests,
|
|
URandomTests,
|
|
ExecvpeTests,
|
|
Win32ErrorTests,
|
|
TestInvalidFD,
|
|
PosixUidGidTests,
|
|
Win32KillTests
|
|
)
|
|
|
|
if __name__ == "__main__":
|
|
test_main()
|