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import unittest
from test import 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(support.TESTFN)
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"]:
support.unlink(support.TESTFN + suffix)
safe_rmdir(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/")
self.assertEqual(posixpath.join(b"/foo", b"bar", b"/bar", b"baz"),
b"/bar/baz")
self.assertEqual(posixpath.join(b"/foo", b"bar", b"baz"),
b"/foo/bar/baz")
self.assertEqual(posixpath.join(b"/foo/", b"bar/", b"baz/"),
b"/foo/bar/baz/")
self.assertRaises(TypeError, posixpath.join, b"bytes", "str")
self.assertRaises(TypeError, posixpath.join, "str", b"bytes")
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"))
self.assertEqual(posixpath.split(b"/foo/bar"), (b"/foo", b"bar"))
self.assertEqual(posixpath.split(b"/"), (b"/", b""))
self.assertEqual(posixpath.split(b"foo"), (b"", b"foo"))
self.assertEqual(posixpath.split(b"////foo"), (b"////", b"foo"))
self.assertEqual(posixpath.split(b"//foo//bar"), (b"//foo", b"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 + "/", ""))
path = bytes(path, "ASCII")
filename = bytes(filename, "ASCII")
ext = bytes(ext, "ASCII")
self.assertEqual(posixpath.splitext(path), (filename, ext))
self.assertEqual(posixpath.splitext(b"/" + path),
(b"/" + filename, ext))
self.assertEqual(posixpath.splitext(b"abc/" + path),
(b"abc/" + filename, ext))
self.assertEqual(posixpath.splitext(b"abc.def/" + path),
(b"abc.def/" + filename, ext))
self.assertEqual(posixpath.splitext(b"/abc.def/" + path),
(b"/abc.def/" + filename, ext))
self.assertEqual(posixpath.splitext(path + b"/"),
(filename + ext + b"/", b""))
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)
self.assertIs(posixpath.isabs(b""), False)
self.assertIs(posixpath.isabs(b"/"), True)
self.assertIs(posixpath.isabs(b"/foo"), True)
self.assertIs(posixpath.isabs(b"/foo/bar"), True)
self.assertIs(posixpath.isabs(b"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")
self.assertEqual(posixpath.basename(b"/foo/bar"), b"bar")
self.assertEqual(posixpath.basename(b"/"), b"")
self.assertEqual(posixpath.basename(b"foo"), b"foo")
self.assertEqual(posixpath.basename(b"////foo"), b"foo")
self.assertEqual(posixpath.basename(b"//foo//bar"), b"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")
self.assertEqual(posixpath.dirname(b"/foo/bar"), b"/foo")
self.assertEqual(posixpath.dirname(b"/"), b"/")
self.assertEqual(posixpath.dirname(b"foo"), b"")
self.assertEqual(posixpath.dirname(b"////foo"), b"////")
self.assertEqual(posixpath.dirname(b"//foo//bar"), b"//foo")
def test_islink(self):
self.assertIs(posixpath.islink(support.TESTFN + "1"), False)
f = open(support.TESTFN + "1", "wb")
try:
f.write(b"foo")
f.close()
self.assertIs(posixpath.islink(support.TESTFN + "1"), False)
if hasattr(os, "symlink"):
os.symlink(support.TESTFN + "1", support.TESTFN + "2")
self.assertIs(posixpath.islink(support.TESTFN + "2"), True)
os.remove(support.TESTFN + "1")
self.assertIs(posixpath.islink(support.TESTFN + "2"), True)
self.assertIs(posixpath.exists(support.TESTFN + "2"), False)
self.assertIs(posixpath.lexists(support.TESTFN + "2"), True)
finally:
if not f.close():
f.close()
def test_samefile(self):
f = open(support.TESTFN + "1", "wb")
try:
f.write(b"foo")
f.close()
self.assertIs(
posixpath.samefile(
support.TESTFN + "1",
support.TESTFN + "1"
),
True
)
# If we don't have links, assume that os.stat doesn't return resonable
# inode information and thus, that samefile() doesn't work
if hasattr(os, "symlink"):
os.symlink(
support.TESTFN + "1",
support.TESTFN + "2"
)
self.assertIs(
posixpath.samefile(
support.TESTFN + "1",
support.TESTFN + "2"
),
True
)
os.remove(support.TESTFN + "2")
f = open(support.TESTFN + "2", "wb")
f.write(b"bar")
f.close()
self.assertIs(
posixpath.samefile(
support.TESTFN + "1",
support.TESTFN + "2"
),
False
)
finally:
if not f.close():
f.close()
def test_samestat(self):
f = open(support.TESTFN + "1", "wb")
try:
f.write(b"foo")
f.close()
self.assertIs(
posixpath.samestat(
os.stat(support.TESTFN + "1"),
os.stat(support.TESTFN + "1")
),
True
)
# If we don't have links, assume that os.stat() doesn't return resonable
# inode information and thus, that samefile() doesn't work
if hasattr(os, "symlink"):
if hasattr(os, "symlink"):
os.symlink(support.TESTFN + "1", support.TESTFN + "2")
self.assertIs(
posixpath.samestat(
os.stat(support.TESTFN + "1"),
os.stat(support.TESTFN + "2")
),
True
)
os.remove(support.TESTFN + "2")
f = open(support.TESTFN + "2", "wb")
f.write(b"bar")
f.close()
self.assertIs(
posixpath.samestat(
os.stat(support.TESTFN + "1"),
os.stat(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")
self.assertEqual(posixpath.expanduser(b"foo"), b"foo")
try:
import pwd
except ImportError:
pass
else:
self.assertIsInstance(posixpath.expanduser("~/"), str)
self.assertIsInstance(posixpath.expanduser(b"~/"), bytes)
# if home directory == root directory, this test makes no sense
if posixpath.expanduser("~") != '/':
self.assertEqual(
posixpath.expanduser("~") + "/",
posixpath.expanduser("~/")
)
self.assertEqual(
posixpath.expanduser(b"~") + b"/",
posixpath.expanduser(b"~/")
)
self.assertIsInstance(posixpath.expanduser("~root/"), str)
self.assertIsInstance(posixpath.expanduser("~foo/"), str)
self.assertIsInstance(posixpath.expanduser(b"~root/"), bytes)
self.assertIsInstance(posixpath.expanduser(b"~foo/"), bytes)
with support.EnvironmentVarGuard() as env:
env['HOME'] = '/'
self.assertEqual(posixpath.expanduser("~"), "/")
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")
self.assertEqual(posixpath.normpath(b""), b".")
self.assertEqual(posixpath.normpath(b"/"), b"/")
self.assertEqual(posixpath.normpath(b"//"), b"//")
self.assertEqual(posixpath.normpath(b"///"), b"/")
self.assertEqual(posixpath.normpath(b"///foo/.//bar//"), b"/foo/bar")
self.assertEqual(posixpath.normpath(b"///foo/.//bar//.//..//.//baz"),
b"/foo/baz")
self.assertEqual(posixpath.normpath(b"///..//./foo/.//bar"),
b"/foo/bar")
if hasattr(os, "symlink"):
def test_realpath_basic(self):
# Basic operation.
try:
os.symlink(ABSTFN+"1", ABSTFN)
self.assertEqual(realpath(ABSTFN), ABSTFN+"1")
finally:
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")
# Test using relative path as well.
os.chdir(dirname(ABSTFN))
self.assertEqual(realpath(basename(ABSTFN)), ABSTFN)
finally:
os.chdir(old_path)
support.unlink(ABSTFN)
support.unlink(ABSTFN+"1")
support.unlink(ABSTFN+"2")
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)
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)
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)
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"), ".")
finally:
os.getcwd = real_getcwd
def test_relpath_bytes(self):
(real_getcwdb, os.getcwdb) = (os.getcwdb, lambda: br"/home/user/bar")
try:
curdir = os.path.split(os.getcwdb())[-1]
self.assertRaises(ValueError, posixpath.relpath, b"")
self.assertEqual(posixpath.relpath(b"a"), b"a")
self.assertEqual(posixpath.relpath(posixpath.abspath(b"a")), b"a")
self.assertEqual(posixpath.relpath(b"a/b"), b"a/b")
self.assertEqual(posixpath.relpath(b"../a/b"), b"../a/b")
self.assertEqual(posixpath.relpath(b"a", b"../b"),
b"../"+curdir+b"/a")
self.assertEqual(posixpath.relpath(b"a/b", b"../c"),
b"../"+curdir+b"/a/b")
self.assertEqual(posixpath.relpath(b"a", b"b/c"), b"../../a")
self.assertEqual(posixpath.relpath(b"a", b"a"), b".")
self.assertRaises(TypeError, posixpath.relpath, b"bytes", "str")
self.assertRaises(TypeError, posixpath.relpath, "str", b"bytes")
finally:
os.getcwdb = real_getcwdb
class PosixCommonTest(test_genericpath.CommonTest):
pathmodule = posixpath
attributes = ['relpath', 'samefile', 'sameopenfile', 'samestat']
def test_main():
support.run_unittest(PosixPathTest, PosixCommonTest)
if __name__=="__main__":
test_main()
|
