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:
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.
with support.change_cwd(dirname(ABSTFN)):
self.assertEqual(realpath(basename(ABSTFN) + "/link-y/.."),
ABSTFN + "/k")
finally:
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:
os.mkdir(ABSTFN)
os.mkdir(ABSTFN + "/k")
os.symlink(ABSTFN, ABSTFN + "link")
with support.change_cwd(dirname(ABSTFN)):
base = basename(ABSTFN)
self.assertEqual(realpath(base + "link"), ABSTFN)
self.assertEqual(realpath(base + "link/k"), ABSTFN + "/k")
finally:
support.unlink(ABSTFN + "link")
safe_rmdir(ABSTFN + "/k")
safe_rmdir(ABSTFN)
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_deep_recursion(self):
depth = 10
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.
with support.change_cwd(ABSTFN):
self.assertEqual(realpath('%d' % depth), ABSTFN)
finally:
for i in range(depth + 1):
support.unlink(ABSTFN + '/%d' % i)
safe_rmdir(ABSTFN)
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:
support.unlink(ABSTFN + '/self')
support.unlink(ABSTFN + '/link')
safe_rmdir(ABSTFN)
def test_realpath_pardir(self):
self.assertEqual(realpath('..'), dirname(os.getcwd()))
self.assertEqual(realpath('../..'), dirname(dirname(os.getcwd())))
self.assertEqual(realpath('/'.join(['..'] * 100)), '/')
self.assertEqual(realpath(b'..'), dirname(os.getcwdb()))
self.assertEqual(realpath(b'../..'), dirname(dirname(os.getcwdb())))
self.assertEqual(realpath(b'/'.join([b'..'] * 100)), b'/')
def test_realpath_curdir(self):
self.assertEqual(realpath('.'), os.getcwd())
self.assertEqual(realpath('./.'), os.getcwd())
self.assertEqual(realpath('/'.join(['.'] * 100)), os.getcwd())
self.assertEqual(realpath(b'.'), os.getcwdb())
self.assertEqual(realpath(b'./.'), os.getcwdb())
self.assertEqual(realpath(b'/'.join([b'.'] * 100)), os.getcwdb())
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:
os.mkdir(ABSTFN)
os.mkdir(ABSTFN + "/y")
os.symlink(ABSTFN + "/y", ABSTFN + "/k")
with support.change_cwd(ABSTFN + "/k"):
self.assertEqual(realpath("a"), ABSTFN + "/y/a")
finally:
support.unlink(ABSTFN + "/k")
safe_rmdir(ABSTFN + "/y")
safe_rmdir(ABSTFN)
def test_realpath_symlink_loops(self):
# Bug #930024, return the path unchanged if we get into an infinite
# symlink loop.
try:
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.
with support.change_cwd(dirname(ABSTFN)):
self.assertEqual(realpath(basename(ABSTFN)), ABSTFN)
finally:
support.unlink(ABSTFN)
support.unlink(ABSTFN + "1")
support.unlink(ABSTFN + "2")
support.unlink(ABSTFN + "y")
support.unlink(ABSTFN + "c")
support.unlink(ABSTFN + "a")
def test_realpath_relative(self):
try:
os.symlink(posixpath.relpath(ABSTFN + "1"), ABSTFN)
self.assertEqual(realpath(ABSTFN), ABSTFN + "1")
finally:
support.unlink(ABSTFN)