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cpython/Lib/test/test_posixpath.py

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import unittest
from test import test_support
import posixpath, os
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)
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)
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 posixpath.realpath("foo"))
self.assertRaises(TypeError, posixpath.realpath)
def test_main():
test_support.run_unittest(PosixPathTest)
if __name__=="__main__":
test_main()
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