mirror of
https://github.com/python/cpython.git
synced 2026-05-21 03:44:14 -04:00
Walter Dörwald
6733bed57e
All changes are mirrored to the underlying os.environ dict, but rolled back on exit from the with block.
513 lines
19 KiB
Python
513 lines
19 KiB
Python
import unittest
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from test import test_support
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import posixpath, os
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from posixpath import realpath, abspath, join, dirname, basename, relpath
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# An absolute path to a temporary filename for testing. We can't rely on TESTFN
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# being an absolute path, so we need this.
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ABSTFN = abspath(test_support.TESTFN)
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def safe_rmdir(dirname):
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try:
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os.rmdir(dirname)
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except OSError:
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pass
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class PosixPathTest(unittest.TestCase):
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def setUp(self):
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self.tearDown()
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def tearDown(self):
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for suffix in ["", "1", "2"]:
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test_support.unlink(test_support.TESTFN + suffix)
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safe_rmdir(test_support.TESTFN + suffix)
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def assertIs(self, a, b):
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self.assert_(a is b)
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def test_normcase(self):
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# Check that normcase() is idempotent
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p = "FoO/./BaR"
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p = posixpath.normcase(p)
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self.assertEqual(p, posixpath.normcase(p))
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self.assertRaises(TypeError, posixpath.normcase)
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def test_join(self):
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self.assertEqual(posixpath.join("/foo", "bar", "/bar", "baz"), "/bar/baz")
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self.assertEqual(posixpath.join("/foo", "bar", "baz"), "/foo/bar/baz")
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self.assertEqual(posixpath.join("/foo/", "bar/", "baz/"), "/foo/bar/baz/")
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self.assertRaises(TypeError, posixpath.join)
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def test_splitdrive(self):
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self.assertEqual(posixpath.splitdrive("/foo/bar"), ("", "/foo/bar"))
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self.assertRaises(TypeError, posixpath.splitdrive)
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def test_split(self):
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self.assertEqual(posixpath.split("/foo/bar"), ("/foo", "bar"))
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self.assertEqual(posixpath.split("/"), ("/", ""))
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self.assertEqual(posixpath.split("foo"), ("", "foo"))
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self.assertEqual(posixpath.split("////foo"), ("////", "foo"))
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self.assertEqual(posixpath.split("//foo//bar"), ("//foo", "bar"))
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self.assertRaises(TypeError, posixpath.split)
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def splitextTest(self, path, filename, ext):
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self.assertEqual(posixpath.splitext(path), (filename, ext))
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self.assertEqual(posixpath.splitext("/" + path), ("/" + filename, ext))
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self.assertEqual(posixpath.splitext("abc/" + path), ("abc/" + filename, ext))
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self.assertEqual(posixpath.splitext("abc.def/" + path), ("abc.def/" + filename, ext))
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self.assertEqual(posixpath.splitext("/abc.def/" + path), ("/abc.def/" + filename, ext))
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self.assertEqual(posixpath.splitext(path + "/"), (filename + ext + "/", ""))
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def test_splitext(self):
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self.splitextTest("foo.bar", "foo", ".bar")
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self.splitextTest("foo.boo.bar", "foo.boo", ".bar")
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self.splitextTest("foo.boo.biff.bar", "foo.boo.biff", ".bar")
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self.splitextTest(".csh.rc", ".csh", ".rc")
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self.splitextTest("nodots", "nodots", "")
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self.splitextTest(".cshrc", ".cshrc", "")
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self.splitextTest("...manydots", "...manydots", "")
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self.splitextTest("...manydots.ext", "...manydots", ".ext")
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self.splitextTest(".", ".", "")
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self.splitextTest("..", "..", "")
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self.splitextTest("........", "........", "")
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self.splitextTest("", "", "")
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self.assertRaises(TypeError, posixpath.splitext)
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def test_isabs(self):
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self.assertIs(posixpath.isabs(""), False)
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self.assertIs(posixpath.isabs("/"), True)
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self.assertIs(posixpath.isabs("/foo"), True)
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self.assertIs(posixpath.isabs("/foo/bar"), True)
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self.assertIs(posixpath.isabs("foo/bar"), False)
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self.assertRaises(TypeError, posixpath.isabs)
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def test_splitdrive(self):
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self.assertEqual(posixpath.splitdrive("/foo/bar"), ("", "/foo/bar"))
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self.assertRaises(TypeError, posixpath.splitdrive)
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def test_basename(self):
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self.assertEqual(posixpath.basename("/foo/bar"), "bar")
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self.assertEqual(posixpath.basename("/"), "")
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self.assertEqual(posixpath.basename("foo"), "foo")
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self.assertEqual(posixpath.basename("////foo"), "foo")
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self.assertEqual(posixpath.basename("//foo//bar"), "bar")
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self.assertRaises(TypeError, posixpath.basename)
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def test_dirname(self):
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self.assertEqual(posixpath.dirname("/foo/bar"), "/foo")
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self.assertEqual(posixpath.dirname("/"), "/")
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self.assertEqual(posixpath.dirname("foo"), "")
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self.assertEqual(posixpath.dirname("////foo"), "////")
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self.assertEqual(posixpath.dirname("//foo//bar"), "//foo")
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self.assertRaises(TypeError, posixpath.dirname)
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def test_commonprefix(self):
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self.assertEqual(
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posixpath.commonprefix([]),
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""
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)
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self.assertEqual(
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posixpath.commonprefix(["/home/swenson/spam", "/home/swen/spam"]),
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"/home/swen"
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)
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self.assertEqual(
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posixpath.commonprefix(["/home/swen/spam", "/home/swen/eggs"]),
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"/home/swen/"
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)
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self.assertEqual(
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posixpath.commonprefix(["/home/swen/spam", "/home/swen/spam"]),
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"/home/swen/spam"
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)
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testlist = ['', 'abc', 'Xbcd', 'Xb', 'XY', 'abcd', 'aXc', 'abd', 'ab', 'aX', 'abcX']
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for s1 in testlist:
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for s2 in testlist:
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p = posixpath.commonprefix([s1, s2])
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self.assert_(s1.startswith(p))
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self.assert_(s2.startswith(p))
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if s1 != s2:
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n = len(p)
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self.assertNotEqual(s1[n:n+1], s2[n:n+1])
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def test_getsize(self):
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f = open(test_support.TESTFN, "wb")
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try:
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f.write("foo")
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f.close()
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self.assertEqual(posixpath.getsize(test_support.TESTFN), 3)
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finally:
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if not f.closed:
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f.close()
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def test_time(self):
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f = open(test_support.TESTFN, "wb")
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try:
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f.write("foo")
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f.close()
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f = open(test_support.TESTFN, "ab")
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f.write("bar")
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f.close()
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f = open(test_support.TESTFN, "rb")
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d = f.read()
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f.close()
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self.assertEqual(d, "foobar")
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self.assert_(
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posixpath.getctime(test_support.TESTFN) <=
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posixpath.getmtime(test_support.TESTFN)
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)
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finally:
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if not f.closed:
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f.close()
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def test_islink(self):
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self.assertIs(posixpath.islink(test_support.TESTFN + "1"), False)
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f = open(test_support.TESTFN + "1", "wb")
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try:
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f.write("foo")
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f.close()
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self.assertIs(posixpath.islink(test_support.TESTFN + "1"), False)
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if hasattr(os, "symlink"):
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os.symlink(test_support.TESTFN + "1", test_support.TESTFN + "2")
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self.assertIs(posixpath.islink(test_support.TESTFN + "2"), True)
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os.remove(test_support.TESTFN + "1")
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self.assertIs(posixpath.islink(test_support.TESTFN + "2"), True)
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self.assertIs(posixpath.exists(test_support.TESTFN + "2"), False)
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self.assertIs(posixpath.lexists(test_support.TESTFN + "2"), True)
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finally:
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if not f.close():
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f.close()
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self.assertRaises(TypeError, posixpath.islink)
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def test_exists(self):
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self.assertIs(posixpath.exists(test_support.TESTFN), False)
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f = open(test_support.TESTFN, "wb")
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try:
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f.write("foo")
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f.close()
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self.assertIs(posixpath.exists(test_support.TESTFN), True)
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self.assertIs(posixpath.lexists(test_support.TESTFN), True)
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finally:
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if not f.close():
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f.close()
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self.assertRaises(TypeError, posixpath.exists)
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def test_isdir(self):
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self.assertIs(posixpath.isdir(test_support.TESTFN), False)
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f = open(test_support.TESTFN, "wb")
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try:
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f.write("foo")
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f.close()
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self.assertIs(posixpath.isdir(test_support.TESTFN), False)
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os.remove(test_support.TESTFN)
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os.mkdir(test_support.TESTFN)
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self.assertIs(posixpath.isdir(test_support.TESTFN), True)
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os.rmdir(test_support.TESTFN)
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finally:
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if not f.close():
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f.close()
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self.assertRaises(TypeError, posixpath.isdir)
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def test_isfile(self):
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self.assertIs(posixpath.isfile(test_support.TESTFN), False)
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f = open(test_support.TESTFN, "wb")
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try:
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f.write("foo")
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f.close()
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self.assertIs(posixpath.isfile(test_support.TESTFN), True)
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os.remove(test_support.TESTFN)
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os.mkdir(test_support.TESTFN)
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self.assertIs(posixpath.isfile(test_support.TESTFN), False)
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os.rmdir(test_support.TESTFN)
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finally:
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if not f.close():
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f.close()
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self.assertRaises(TypeError, posixpath.isdir)
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def test_samefile(self):
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f = open(test_support.TESTFN + "1", "wb")
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try:
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f.write("foo")
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f.close()
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self.assertIs(
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posixpath.samefile(
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test_support.TESTFN + "1",
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test_support.TESTFN + "1"
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),
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True
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)
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# If we don't have links, assume that os.stat doesn't return resonable
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# inode information and thus, that samefile() doesn't work
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if hasattr(os, "symlink"):
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os.symlink(
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test_support.TESTFN + "1",
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test_support.TESTFN + "2"
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)
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self.assertIs(
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posixpath.samefile(
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test_support.TESTFN + "1",
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test_support.TESTFN + "2"
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),
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True
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)
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os.remove(test_support.TESTFN + "2")
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f = open(test_support.TESTFN + "2", "wb")
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f.write("bar")
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f.close()
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self.assertIs(
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posixpath.samefile(
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test_support.TESTFN + "1",
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test_support.TESTFN + "2"
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),
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False
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)
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finally:
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if not f.close():
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f.close()
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self.assertRaises(TypeError, posixpath.samefile)
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def test_samestat(self):
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f = open(test_support.TESTFN + "1", "wb")
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try:
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f.write("foo")
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f.close()
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self.assertIs(
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posixpath.samestat(
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os.stat(test_support.TESTFN + "1"),
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os.stat(test_support.TESTFN + "1")
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),
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True
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)
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# If we don't have links, assume that os.stat() doesn't return resonable
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# inode information and thus, that samefile() doesn't work
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if hasattr(os, "symlink"):
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if hasattr(os, "symlink"):
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os.symlink(test_support.TESTFN + "1", test_support.TESTFN + "2")
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self.assertIs(
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posixpath.samestat(
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os.stat(test_support.TESTFN + "1"),
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os.stat(test_support.TESTFN + "2")
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),
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True
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)
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os.remove(test_support.TESTFN + "2")
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f = open(test_support.TESTFN + "2", "wb")
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f.write("bar")
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f.close()
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self.assertIs(
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posixpath.samestat(
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os.stat(test_support.TESTFN + "1"),
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os.stat(test_support.TESTFN + "2")
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),
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False
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)
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finally:
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if not f.close():
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f.close()
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self.assertRaises(TypeError, posixpath.samestat)
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def test_ismount(self):
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self.assertIs(posixpath.ismount("/"), True)
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self.assertRaises(TypeError, posixpath.ismount)
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def test_expanduser(self):
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self.assertEqual(posixpath.expanduser("foo"), "foo")
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try:
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import pwd
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except ImportError:
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pass
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else:
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self.assert_(isinstance(posixpath.expanduser("~/"), basestring))
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# if home directory == root directory, this test makes no sense
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if posixpath.expanduser("~") != '/':
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self.assertEqual(
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posixpath.expanduser("~") + "/",
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posixpath.expanduser("~/")
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)
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self.assert_(isinstance(posixpath.expanduser("~root/"), basestring))
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self.assert_(isinstance(posixpath.expanduser("~foo/"), basestring))
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with test_support.EnvironmentVarGuard() as env:
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env['HOME'] = '/'
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self.assertEqual(posixpath.expanduser("~"), "/")
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self.assertRaises(TypeError, posixpath.expanduser)
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def test_expandvars(self):
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with test_support.EnvironmentVarGuard() as env:
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env.clear()
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env["foo"] = "bar"
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env["{foo"] = "baz1"
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env["{foo}"] = "baz2"
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self.assertEqual(posixpath.expandvars("foo"), "foo")
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self.assertEqual(posixpath.expandvars("$foo bar"), "bar bar")
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self.assertEqual(posixpath.expandvars("${foo}bar"), "barbar")
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self.assertEqual(posixpath.expandvars("$[foo]bar"), "$[foo]bar")
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self.assertEqual(posixpath.expandvars("$bar bar"), "$bar bar")
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self.assertEqual(posixpath.expandvars("$?bar"), "$?bar")
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self.assertEqual(posixpath.expandvars("${foo}bar"), "barbar")
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self.assertEqual(posixpath.expandvars("$foo}bar"), "bar}bar")
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self.assertEqual(posixpath.expandvars("${foo"), "${foo")
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self.assertEqual(posixpath.expandvars("${{foo}}"), "baz1}")
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self.assertEqual(posixpath.expandvars("$foo$foo"), "barbar")
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self.assertEqual(posixpath.expandvars("$bar$bar"), "$bar$bar")
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self.assertRaises(TypeError, posixpath.expandvars)
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def test_normpath(self):
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self.assertEqual(posixpath.normpath(""), ".")
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self.assertEqual(posixpath.normpath("/"), "/")
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self.assertEqual(posixpath.normpath("//"), "//")
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self.assertEqual(posixpath.normpath("///"), "/")
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self.assertEqual(posixpath.normpath("///foo/.//bar//"), "/foo/bar")
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self.assertEqual(posixpath.normpath("///foo/.//bar//.//..//.//baz"), "/foo/baz")
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self.assertEqual(posixpath.normpath("///..//./foo/.//bar"), "/foo/bar")
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self.assertRaises(TypeError, posixpath.normpath)
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def test_abspath(self):
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self.assert_("foo" in posixpath.abspath("foo"))
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self.assertRaises(TypeError, posixpath.abspath)
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def test_realpath(self):
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self.assert_("foo" in realpath("foo"))
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self.assertRaises(TypeError, posixpath.realpath)
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if hasattr(os, "symlink"):
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def test_realpath_basic(self):
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# Basic operation.
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try:
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os.symlink(ABSTFN+"1", ABSTFN)
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self.assertEqual(realpath(ABSTFN), ABSTFN+"1")
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finally:
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test_support.unlink(ABSTFN)
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def test_realpath_symlink_loops(self):
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# Bug #930024, return the path unchanged if we get into an infinite
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# symlink loop.
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try:
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old_path = abspath('.')
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os.symlink(ABSTFN, ABSTFN)
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self.assertEqual(realpath(ABSTFN), ABSTFN)
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os.symlink(ABSTFN+"1", ABSTFN+"2")
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os.symlink(ABSTFN+"2", ABSTFN+"1")
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self.assertEqual(realpath(ABSTFN+"1"), ABSTFN+"1")
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self.assertEqual(realpath(ABSTFN+"2"), ABSTFN+"2")
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# Test using relative path as well.
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os.chdir(dirname(ABSTFN))
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self.assertEqual(realpath(basename(ABSTFN)), ABSTFN)
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finally:
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os.chdir(old_path)
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test_support.unlink(ABSTFN)
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test_support.unlink(ABSTFN+"1")
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test_support.unlink(ABSTFN+"2")
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def test_realpath_resolve_parents(self):
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# We also need to resolve any symlinks in the parents of a relative
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# path passed to realpath. E.g.: current working directory is
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# /usr/doc with 'doc' being a symlink to /usr/share/doc. We call
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# realpath("a"). This should return /usr/share/doc/a/.
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try:
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old_path = abspath('.')
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os.mkdir(ABSTFN)
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os.mkdir(ABSTFN + "/y")
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os.symlink(ABSTFN + "/y", ABSTFN + "/k")
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os.chdir(ABSTFN + "/k")
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self.assertEqual(realpath("a"), ABSTFN + "/y/a")
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finally:
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os.chdir(old_path)
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test_support.unlink(ABSTFN + "/k")
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safe_rmdir(ABSTFN + "/y")
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safe_rmdir(ABSTFN)
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def test_realpath_resolve_before_normalizing(self):
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# Bug #990669: Symbolic links should be resolved before we
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# normalize the path. E.g.: if we have directories 'a', 'k' and 'y'
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# in the following hierarchy:
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# a/k/y
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#
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# and a symbolic link 'link-y' pointing to 'y' in directory 'a',
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# then realpath("link-y/..") should return 'k', not 'a'.
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try:
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old_path = abspath('.')
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os.mkdir(ABSTFN)
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os.mkdir(ABSTFN + "/k")
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os.mkdir(ABSTFN + "/k/y")
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os.symlink(ABSTFN + "/k/y", ABSTFN + "/link-y")
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# 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"), ".")
|
|
finally:
|
|
os.getcwd = real_getcwd
|
|
|
|
def test_main():
|
|
test_support.run_unittest(PosixPathTest)
|
|
|
|
if __name__=="__main__":
|
|
test_main()
|