import unittest
from test import test_support
import posixpath, os
from posixpath import realpath, abspath, join, 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)
class PosixPathTest(unittest.TestCase):
def assertIs(self, a, b):
self.assert_(a is b)
def test_normcase(self):
# Check that normcase() is idempotent
p = "FoO/./BaR"
p = posixpath.normcase(p)
self.assertEqual(p, posixpath.normcase(p))
self.assertRaises(TypeError, posixpath.normcase)
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.assertRaises(TypeError, posixpath.join)
def test_splitdrive(self):
self.assertEqual(posixpath.splitdrive("/foo/bar"), ("", "/foo/bar"))
self.assertRaises(TypeError, posixpath.splitdrive)
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.assertRaises(TypeError, posixpath.split)
def test_splitext(self):
self.assertEqual(posixpath.splitext("foo.ext"), ("foo", ".ext"))
self.assertEqual(posixpath.splitext("/foo/foo.ext"), ("/foo/foo", ".ext"))
self.assertEqual(posixpath.splitext(".ext"), ("", ".ext"))
self.assertEqual(posixpath.splitext("/foo.ext/foo"), ("/foo.ext/foo", ""))
self.assertEqual(posixpath.splitext("foo.ext/"), ("foo.ext/", ""))
self.assertEqual(posixpath.splitext(""), ("", ""))
self.assertEqual(posixpath.splitext("foo.bar.ext"), ("foo.bar", ".ext"))
self.assertRaises(TypeError, posixpath.splitext)
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.assertRaises(TypeError, posixpath.isabs)
def test_splitdrive(self):
self.assertEqual(posixpath.splitdrive("/foo/bar"), ("", "/foo/bar"))
self.assertRaises(TypeError, posixpath.splitdrive)
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.assertRaises(TypeError, posixpath.basename)
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.assertRaises(TypeError, posixpath.dirname)
def test_commonprefix(self):
self.assertEqual(
posixpath.commonprefix([]),
""
)
self.assertEqual(
posixpath.commonprefix(["/home/swenson/spam", "/home/swen/spam"]),
"/home/swen"
)
self.assertEqual(
posixpath.commonprefix(["/home/swen/spam", "/home/swen/eggs"]),
"/home/swen/"
)
self.assertEqual(
posixpath.commonprefix(["/home/swen/spam", "/home/swen/spam"]),
"/home/swen/spam"
)
def test_getsize(self):
f = open(test_support.TESTFN, "wb")
try:
f.write("foo")
f.close()
self.assertEqual(posixpath.getsize(test_support.TESTFN), 3)
finally:
if not f.closed:
f.close()
os.remove(test_support.TESTFN)
def test_time(self):
f = open(test_support.TESTFN, "wb")
try:
f.write("foo")
f.close()
f = open(test_support.TESTFN, "ab")
f.write("bar")
f.close()
f = open(test_support.TESTFN, "rb")
d = f.read()
f.close()
self.assertEqual(d, "foobar")
self.assert_(
posixpath.getctime(test_support.TESTFN) <=
posixpath.getmtime(test_support.TESTFN)
)
finally:
if not f.closed:
f.close()
os.remove(test_support.TESTFN)
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()
try:
os.remove(test_support.TESTFN + "1")
except os.error:
pass
try:
os.remove(test_support.TESTFN + "2")
except os.error:
pass
self.assertRaises(TypeError, posixpath.islink)
def test_exists(self):
self.assertIs(posixpath.exists(test_support.TESTFN), False)
f = open(test_support.TESTFN, "wb")
try:
f.write("foo")
f.close()
self.assertIs(posixpath.exists(test_support.TESTFN), True)
self.assertIs(posixpath.lexists(test_support.TESTFN), True)
finally:
if not f.close():
f.close()
try:
os.remove(test_support.TESTFN)
except os.error:
pass
self.assertRaises(TypeError, posixpath.exists)
def test_isdir(self):
self.assertIs(posixpath.isdir(test_support.TESTFN), False)
f = open(test_support.TESTFN, "wb")
try:
f.write("foo")
f.close()
self.assertIs(posixpath.isdir(test_support.TESTFN), False)
os.remove(test_support.TESTFN)
os.mkdir(test_support.TESTFN)
self.assertIs(posixpath.isdir(test_support.TESTFN), True)
os.rmdir(test_support.TESTFN)
finally:
if not f.close():
f.close()
try:
os.remove(test_support.TESTFN)
except os.error:
pass
try:
os.rmdir(test_support.TESTFN)
except os.error:
pass
self.assertRaises(TypeError, posixpath.isdir)
def test_isfile(self):
self.assertIs(posixpath.isfile(test_support.TESTFN), False)
f = open(test_support.TESTFN, "wb")
try:
f.write("foo")
f.close()
self.assertIs(posixpath.isfile(test_support.TESTFN), True)
os.remove(test_support.TESTFN)
os.mkdir(test_support.TESTFN)
self.assertIs(posixpath.isfile(test_support.TESTFN), False)
os.rmdir(test_support.TESTFN)
finally:
if not f.close():
f.close()
try:
os.remove(test_support.TESTFN)
except os.error:
pass
try:
os.rmdir(test_support.TESTFN)
except os.error:
pass
self.assertRaises(TypeError, posixpath.isdir)
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()
try:
os.remove(test_support.TESTFN + "1")
except os.error:
pass
try:
os.remove(test_support.TESTFN + "2")
except os.error:
pass
self.assertRaises(TypeError, posixpath.samefile)
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()
try:
os.remove(test_support.TESTFN + "1")
except os.error:
pass
try:
os.remove(test_support.TESTFN + "2")
except os.error:
pass
self.assertRaises(TypeError, posixpath.samestat)
def test_ismount(self):
self.assertIs(posixpath.ismount("/"), True)
self.assertRaises(TypeError, posixpath.ismount)
def test_expanduser(self):
self.assertEqual(posixpath.expanduser("foo"), "foo")
try:
import pwd
except ImportError:
pass
else:
self.assert_(isinstance(posixpath.expanduser("~/"), basestring))
# if home directory == root directory, this test makes no sense
if posixpath.expanduser("~") != '/':
self.assertEqual(
posixpath.expanduser("~") + "/",
posixpath.expanduser("~/")
)
self.assert_(isinstance(posixpath.expanduser("~root/"), basestring))
self.assert_(isinstance(posixpath.expanduser("~foo/"), basestring))
self.assertRaises(TypeError, posixpath.expanduser)
def test_expandvars(self):
oldenv = os.environ.copy()
try:
os.environ.clear()
os.environ["foo"] = "bar"
os.environ["{foo"] = "baz1"
os.environ["{foo}"] = "baz2"
self.assertEqual(posixpath.expandvars("foo"), "foo")
self.assertEqual(posixpath.expandvars("$foo bar"), "bar bar")
self.assertEqual(posixpath.expandvars("${foo}bar"), "barbar")
self.assertEqual(posixpath.expandvars("$[foo]bar"), "$[foo]bar")
self.assertEqual(posixpath.expandvars("$bar bar"), "$bar bar")
self.assertEqual(posixpath.expandvars("$?bar"), "$?bar")
self.assertEqual(posixpath.expandvars("${foo}bar"), "barbar")
self.assertEqual(posixpath.expandvars("$foo}bar"), "bar}bar")
self.assertEqual(posixpath.expandvars("${foo"), "${foo")
self.assertEqual(posixpath.expandvars("${{foo}}"), "baz1}")
finally:
os.environ.clear()
os.environ.update(oldenv)
self.assertRaises(TypeError, posixpath.expandvars)
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.assertRaises(TypeError, posixpath.normpath)
def test_abspath(self):
self.assert_("foo" in posixpath.abspath("foo"))
self.assertRaises(TypeError, posixpath.abspath)
def test_realpath(self):
self.assert_("foo" in realpath("foo"))
self.assertRaises(TypeError, posixpath.realpath)
if hasattr(os, "symlink"):
def test_realpath_basic(self):
# Basic operation.
try:
os.symlink(ABSTFN+"1", ABSTFN)
self.assertEqual(realpath(ABSTFN), ABSTFN+"1")
finally:
self.safe_remove(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)
self.safe_remove(ABSTFN)
self.safe_remove(ABSTFN+"1")
self.safe_remove(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)
self.safe_remove(ABSTFN + "/k")
self.safe_rmdir(ABSTFN + "/y")
self.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)
self.safe_remove(ABSTFN + "/link-y")
self.safe_rmdir(ABSTFN + "/k/y")
self.safe_rmdir(ABSTFN + "/k")
self.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)
self.safe_remove(ABSTFN + "link")
self.safe_rmdir(ABSTFN + "/k")
self.safe_rmdir(ABSTFN)
# Convenience functions for removing temporary files.
def pass_os_error(self, func, filename):
try: func(filename)
except OSError: pass
def safe_remove(self, filename):
self.pass_os_error(os.remove, filename)
def safe_rmdir(self, dirname):
self.pass_os_error(os.rmdir, dirname)
def test_main():
test_support.run_unittest(PosixPathTest)
if __name__=="__main__":
test_main()
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