import unittest | |
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 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 resonable | |
# 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 resonable | |
# inode information and thus, that samefile() doesn't work | |
if hasattr(os, "symlink"): | |
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("~"), "/") | |
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") | |
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") | |
# 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") | |
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() |