/usr/lib/python2.7/test/test_posixpath.py is in libpython2.7-testsuite 2.7.6-8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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from test import test_support, test_genericpath
import posixpath, os
from posixpath import realpath, abspath, dirname, basename
# An absolute path to a temporary filename for testing. We can't rely on TESTFN
# being an absolute path, so we need this.
ABSTFN = abspath(test_support.TESTFN)
def skip_if_ABSTFN_contains_backslash(test):
"""
On Windows, posixpath.abspath still returns paths with backslashes
instead of posix forward slashes. If this is the case, several tests
fail, so skip them.
"""
found_backslash = '\\' in ABSTFN
msg = "ABSTFN is not a posix path - tests fail"
return [test, unittest.skip(msg)(test)][found_backslash]
def safe_rmdir(dirname):
try:
os.rmdir(dirname)
except OSError:
pass
class PosixPathTest(unittest.TestCase):
def setUp(self):
self.tearDown()
def tearDown(self):
for suffix in ["", "1", "2"]:
test_support.unlink(test_support.TESTFN + suffix)
safe_rmdir(test_support.TESTFN + suffix)
def test_join(self):
self.assertEqual(posixpath.join("/foo", "bar", "/bar", "baz"), "/bar/baz")
self.assertEqual(posixpath.join("/foo", "bar", "baz"), "/foo/bar/baz")
self.assertEqual(posixpath.join("/foo/", "bar/", "baz/"), "/foo/bar/baz/")
def test_split(self):
self.assertEqual(posixpath.split("/foo/bar"), ("/foo", "bar"))
self.assertEqual(posixpath.split("/"), ("/", ""))
self.assertEqual(posixpath.split("foo"), ("", "foo"))
self.assertEqual(posixpath.split("////foo"), ("////", "foo"))
self.assertEqual(posixpath.split("//foo//bar"), ("//foo", "bar"))
def splitextTest(self, path, filename, ext):
self.assertEqual(posixpath.splitext(path), (filename, ext))
self.assertEqual(posixpath.splitext("/" + path), ("/" + filename, ext))
self.assertEqual(posixpath.splitext("abc/" + path), ("abc/" + filename, ext))
self.assertEqual(posixpath.splitext("abc.def/" + path), ("abc.def/" + filename, ext))
self.assertEqual(posixpath.splitext("/abc.def/" + path), ("/abc.def/" + filename, ext))
self.assertEqual(posixpath.splitext(path + "/"), (filename + ext + "/", ""))
def test_splitext(self):
self.splitextTest("foo.bar", "foo", ".bar")
self.splitextTest("foo.boo.bar", "foo.boo", ".bar")
self.splitextTest("foo.boo.biff.bar", "foo.boo.biff", ".bar")
self.splitextTest(".csh.rc", ".csh", ".rc")
self.splitextTest("nodots", "nodots", "")
self.splitextTest(".cshrc", ".cshrc", "")
self.splitextTest("...manydots", "...manydots", "")
self.splitextTest("...manydots.ext", "...manydots", ".ext")
self.splitextTest(".", ".", "")
self.splitextTest("..", "..", "")
self.splitextTest("........", "........", "")
self.splitextTest("", "", "")
def test_isabs(self):
self.assertIs(posixpath.isabs(""), False)
self.assertIs(posixpath.isabs("/"), True)
self.assertIs(posixpath.isabs("/foo"), True)
self.assertIs(posixpath.isabs("/foo/bar"), True)
self.assertIs(posixpath.isabs("foo/bar"), False)
def test_basename(self):
self.assertEqual(posixpath.basename("/foo/bar"), "bar")
self.assertEqual(posixpath.basename("/"), "")
self.assertEqual(posixpath.basename("foo"), "foo")
self.assertEqual(posixpath.basename("////foo"), "foo")
self.assertEqual(posixpath.basename("//foo//bar"), "bar")
def test_dirname(self):
self.assertEqual(posixpath.dirname("/foo/bar"), "/foo")
self.assertEqual(posixpath.dirname("/"), "/")
self.assertEqual(posixpath.dirname("foo"), "")
self.assertEqual(posixpath.dirname("////foo"), "////")
self.assertEqual(posixpath.dirname("//foo//bar"), "//foo")
def test_islink(self):
self.assertIs(posixpath.islink(test_support.TESTFN + "1"), False)
f = open(test_support.TESTFN + "1", "wb")
try:
f.write("foo")
f.close()
self.assertIs(posixpath.islink(test_support.TESTFN + "1"), False)
if hasattr(os, "symlink"):
os.symlink(test_support.TESTFN + "1", test_support.TESTFN + "2")
self.assertIs(posixpath.islink(test_support.TESTFN + "2"), True)
os.remove(test_support.TESTFN + "1")
self.assertIs(posixpath.islink(test_support.TESTFN + "2"), True)
self.assertIs(posixpath.exists(test_support.TESTFN + "2"), False)
self.assertIs(posixpath.lexists(test_support.TESTFN + "2"), True)
finally:
if not f.close():
f.close()
def test_samefile(self):
f = open(test_support.TESTFN + "1", "wb")
try:
f.write("foo")
f.close()
self.assertIs(
posixpath.samefile(
test_support.TESTFN + "1",
test_support.TESTFN + "1"
),
True
)
# If we don't have links, assume that os.stat doesn't return
# reasonable inode information and thus, that samefile() doesn't
# work.
if hasattr(os, "symlink"):
os.symlink(
test_support.TESTFN + "1",
test_support.TESTFN + "2"
)
self.assertIs(
posixpath.samefile(
test_support.TESTFN + "1",
test_support.TESTFN + "2"
),
True
)
os.remove(test_support.TESTFN + "2")
f = open(test_support.TESTFN + "2", "wb")
f.write("bar")
f.close()
self.assertIs(
posixpath.samefile(
test_support.TESTFN + "1",
test_support.TESTFN + "2"
),
False
)
finally:
if not f.close():
f.close()
def test_samestat(self):
f = open(test_support.TESTFN + "1", "wb")
try:
f.write("foo")
f.close()
self.assertIs(
posixpath.samestat(
os.stat(test_support.TESTFN + "1"),
os.stat(test_support.TESTFN + "1")
),
True
)
# If we don't have links, assume that os.stat() doesn't return
# reasonable inode information and thus, that samestat() doesn't
# work.
if hasattr(os, "symlink"):
os.symlink(test_support.TESTFN + "1", test_support.TESTFN + "2")
self.assertIs(
posixpath.samestat(
os.stat(test_support.TESTFN + "1"),
os.stat(test_support.TESTFN + "2")
),
True
)
os.remove(test_support.TESTFN + "2")
f = open(test_support.TESTFN + "2", "wb")
f.write("bar")
f.close()
self.assertIs(
posixpath.samestat(
os.stat(test_support.TESTFN + "1"),
os.stat(test_support.TESTFN + "2")
),
False
)
finally:
if not f.close():
f.close()
def test_ismount(self):
self.assertIs(posixpath.ismount("/"), True)
def test_expanduser(self):
self.assertEqual(posixpath.expanduser("foo"), "foo")
try:
import pwd
except ImportError:
pass
else:
self.assertIsInstance(posixpath.expanduser("~/"), basestring)
# if home directory == root directory, this test makes no sense
if posixpath.expanduser("~") != '/':
self.assertEqual(
posixpath.expanduser("~") + "/",
posixpath.expanduser("~/")
)
self.assertIsInstance(posixpath.expanduser("~root/"), basestring)
self.assertIsInstance(posixpath.expanduser("~foo/"), basestring)
with test_support.EnvironmentVarGuard() as env:
env['HOME'] = '/'
self.assertEqual(posixpath.expanduser("~"), "/")
self.assertEqual(posixpath.expanduser("~/foo"), "/foo")
def test_normpath(self):
self.assertEqual(posixpath.normpath(""), ".")
self.assertEqual(posixpath.normpath("/"), "/")
self.assertEqual(posixpath.normpath("//"), "//")
self.assertEqual(posixpath.normpath("///"), "/")
self.assertEqual(posixpath.normpath("///foo/.//bar//"), "/foo/bar")
self.assertEqual(posixpath.normpath("///foo/.//bar//.//..//.//baz"), "/foo/baz")
self.assertEqual(posixpath.normpath("///..//./foo/.//bar"), "/foo/bar")
@skip_if_ABSTFN_contains_backslash
def test_realpath_curdir(self):
self.assertEqual(realpath('.'), os.getcwd())
self.assertEqual(realpath('./.'), os.getcwd())
self.assertEqual(realpath('/'.join(['.'] * 100)), os.getcwd())
@skip_if_ABSTFN_contains_backslash
def test_realpath_pardir(self):
self.assertEqual(realpath('..'), dirname(os.getcwd()))
self.assertEqual(realpath('../..'), dirname(dirname(os.getcwd())))
self.assertEqual(realpath('/'.join(['..'] * 100)), '/')
if hasattr(os, "symlink"):
def test_realpath_basic(self):
# Basic operation.
try:
os.symlink(ABSTFN+"1", ABSTFN)
self.assertEqual(realpath(ABSTFN), ABSTFN+"1")
finally:
test_support.unlink(ABSTFN)
def test_realpath_symlink_loops(self):
# Bug #930024, return the path unchanged if we get into an infinite
# symlink loop.
try:
old_path = abspath('.')
os.symlink(ABSTFN, ABSTFN)
self.assertEqual(realpath(ABSTFN), ABSTFN)
os.symlink(ABSTFN+"1", ABSTFN+"2")
os.symlink(ABSTFN+"2", ABSTFN+"1")
self.assertEqual(realpath(ABSTFN+"1"), ABSTFN+"1")
self.assertEqual(realpath(ABSTFN+"2"), ABSTFN+"2")
self.assertEqual(realpath(ABSTFN+"1/x"), ABSTFN+"1/x")
self.assertEqual(realpath(ABSTFN+"1/.."), dirname(ABSTFN))
self.assertEqual(realpath(ABSTFN+"1/../x"), dirname(ABSTFN) + "/x")
os.symlink(ABSTFN+"x", ABSTFN+"y")
self.assertEqual(realpath(ABSTFN+"1/../" + basename(ABSTFN) + "y"),
ABSTFN + "y")
self.assertEqual(realpath(ABSTFN+"1/../" + basename(ABSTFN) + "1"),
ABSTFN + "1")
os.symlink(basename(ABSTFN) + "a/b", ABSTFN+"a")
self.assertEqual(realpath(ABSTFN+"a"), ABSTFN+"a/b")
os.symlink("../" + basename(dirname(ABSTFN)) + "/" +
basename(ABSTFN) + "c", ABSTFN+"c")
self.assertEqual(realpath(ABSTFN+"c"), ABSTFN+"c")
# Test using relative path as well.
os.chdir(dirname(ABSTFN))
self.assertEqual(realpath(basename(ABSTFN)), ABSTFN)
finally:
os.chdir(old_path)
test_support.unlink(ABSTFN)
test_support.unlink(ABSTFN+"1")
test_support.unlink(ABSTFN+"2")
test_support.unlink(ABSTFN+"y")
test_support.unlink(ABSTFN+"c")
test_support.unlink(ABSTFN+"a")
def test_realpath_repeated_indirect_symlinks(self):
# Issue #6975.
try:
os.mkdir(ABSTFN)
os.symlink('../' + basename(ABSTFN), ABSTFN + '/self')
os.symlink('self/self/self', ABSTFN + '/link')
self.assertEqual(realpath(ABSTFN + '/link'), ABSTFN)
finally:
test_support.unlink(ABSTFN + '/self')
test_support.unlink(ABSTFN + '/link')
safe_rmdir(ABSTFN)
def test_realpath_deep_recursion(self):
depth = 10
old_path = abspath('.')
try:
os.mkdir(ABSTFN)
for i in range(depth):
os.symlink('/'.join(['%d' % i] * 10), ABSTFN + '/%d' % (i + 1))
os.symlink('.', ABSTFN + '/0')
self.assertEqual(realpath(ABSTFN + '/%d' % depth), ABSTFN)
# Test using relative path as well.
os.chdir(ABSTFN)
self.assertEqual(realpath('%d' % depth), ABSTFN)
finally:
os.chdir(old_path)
for i in range(depth + 1):
test_support.unlink(ABSTFN + '/%d' % i)
safe_rmdir(ABSTFN)
def test_realpath_resolve_parents(self):
# We also need to resolve any symlinks in the parents of a relative
# path passed to realpath. E.g.: current working directory is
# /usr/doc with 'doc' being a symlink to /usr/share/doc. We call
# realpath("a"). This should return /usr/share/doc/a/.
try:
old_path = abspath('.')
os.mkdir(ABSTFN)
os.mkdir(ABSTFN + "/y")
os.symlink(ABSTFN + "/y", ABSTFN + "/k")
os.chdir(ABSTFN + "/k")
self.assertEqual(realpath("a"), ABSTFN + "/y/a")
finally:
os.chdir(old_path)
test_support.unlink(ABSTFN + "/k")
safe_rmdir(ABSTFN + "/y")
safe_rmdir(ABSTFN)
def test_realpath_resolve_before_normalizing(self):
# Bug #990669: Symbolic links should be resolved before we
# normalize the path. E.g.: if we have directories 'a', 'k' and 'y'
# in the following hierarchy:
# a/k/y
#
# and a symbolic link 'link-y' pointing to 'y' in directory 'a',
# then realpath("link-y/..") should return 'k', not 'a'.
try:
old_path = abspath('.')
os.mkdir(ABSTFN)
os.mkdir(ABSTFN + "/k")
os.mkdir(ABSTFN + "/k/y")
os.symlink(ABSTFN + "/k/y", ABSTFN + "/link-y")
# Absolute path.
self.assertEqual(realpath(ABSTFN + "/link-y/.."), ABSTFN + "/k")
# Relative path.
os.chdir(dirname(ABSTFN))
self.assertEqual(realpath(basename(ABSTFN) + "/link-y/.."),
ABSTFN + "/k")
finally:
os.chdir(old_path)
test_support.unlink(ABSTFN + "/link-y")
safe_rmdir(ABSTFN + "/k/y")
safe_rmdir(ABSTFN + "/k")
safe_rmdir(ABSTFN)
def test_realpath_resolve_first(self):
# Bug #1213894: The first component of the path, if not absolute,
# must be resolved too.
try:
old_path = abspath('.')
os.mkdir(ABSTFN)
os.mkdir(ABSTFN + "/k")
os.symlink(ABSTFN, ABSTFN + "link")
os.chdir(dirname(ABSTFN))
base = basename(ABSTFN)
self.assertEqual(realpath(base + "link"), ABSTFN)
self.assertEqual(realpath(base + "link/k"), ABSTFN + "/k")
finally:
os.chdir(old_path)
test_support.unlink(ABSTFN + "link")
safe_rmdir(ABSTFN + "/k")
safe_rmdir(ABSTFN)
def test_relpath(self):
(real_getcwd, os.getcwd) = (os.getcwd, lambda: r"/home/user/bar")
try:
curdir = os.path.split(os.getcwd())[-1]
self.assertRaises(ValueError, posixpath.relpath, "")
self.assertEqual(posixpath.relpath("a"), "a")
self.assertEqual(posixpath.relpath(posixpath.abspath("a")), "a")
self.assertEqual(posixpath.relpath("a/b"), "a/b")
self.assertEqual(posixpath.relpath("../a/b"), "../a/b")
self.assertEqual(posixpath.relpath("a", "../b"), "../"+curdir+"/a")
self.assertEqual(posixpath.relpath("a/b", "../c"), "../"+curdir+"/a/b")
self.assertEqual(posixpath.relpath("a", "b/c"), "../../a")
self.assertEqual(posixpath.relpath("a", "a"), ".")
self.assertEqual(posixpath.relpath("/foo/bar/bat", "/x/y/z"), '../../../foo/bar/bat')
self.assertEqual(posixpath.relpath("/foo/bar/bat", "/foo/bar"), 'bat')
self.assertEqual(posixpath.relpath("/foo/bar/bat", "/"), 'foo/bar/bat')
self.assertEqual(posixpath.relpath("/", "/foo/bar/bat"), '../../..')
self.assertEqual(posixpath.relpath("/foo/bar/bat", "/x"), '../foo/bar/bat')
self.assertEqual(posixpath.relpath("/x", "/foo/bar/bat"), '../../../x')
self.assertEqual(posixpath.relpath("/", "/"), '.')
self.assertEqual(posixpath.relpath("/a", "/a"), '.')
self.assertEqual(posixpath.relpath("/a/b", "/a/b"), '.')
finally:
os.getcwd = real_getcwd
class PosixCommonTest(test_genericpath.CommonTest):
pathmodule = posixpath
attributes = ['relpath', 'samefile', 'sameopenfile', 'samestat']
def test_main():
test_support.run_unittest(PosixPathTest, PosixCommonTest)
if __name__=="__main__":
test_main()
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