431 lines
18 KiB
Python
431 lines
18 KiB
Python
import unittest
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from test import test_support, test_genericpath
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from test import test_support as support
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import posixpath
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import os
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import sys
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from posixpath import realpath, abspath, dirname, basename
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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 skip_if_ABSTFN_contains_backslash(test):
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"""
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On Windows, posixpath.abspath still returns paths with backslashes
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instead of posix forward slashes. If this is the case, several tests
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fail, so skip them.
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"""
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found_backslash = '\\' in ABSTFN
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msg = "ABSTFN is not a posix path - tests fail"
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return [test, unittest.skip(msg)(test)][found_backslash]
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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 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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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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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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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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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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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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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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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
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# reasonable inode information and thus, that samefile() doesn't
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# 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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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
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# reasonable inode information and thus, that samestat() doesn't
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# work.
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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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def test_ismount(self):
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self.assertIs(posixpath.ismount("/"), True)
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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.assertIsInstance(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.assertIsInstance(posixpath.expanduser("~root/"), basestring)
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self.assertIsInstance(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.assertEqual(posixpath.expanduser("~/foo"), "/foo")
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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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@skip_if_ABSTFN_contains_backslash
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def test_realpath_curdir(self):
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self.assertEqual(realpath('.'), os.getcwd())
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self.assertEqual(realpath('./.'), os.getcwd())
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self.assertEqual(realpath('/'.join(['.'] * 100)), os.getcwd())
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@skip_if_ABSTFN_contains_backslash
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def test_realpath_pardir(self):
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self.assertEqual(realpath('..'), dirname(os.getcwd()))
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self.assertEqual(realpath('../..'), dirname(dirname(os.getcwd())))
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self.assertEqual(realpath('/'.join(['..'] * 100)), '/')
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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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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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self.assertEqual(realpath(ABSTFN+"1/x"), ABSTFN+"1/x")
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self.assertEqual(realpath(ABSTFN+"1/.."), dirname(ABSTFN))
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self.assertEqual(realpath(ABSTFN+"1/../x"), dirname(ABSTFN) + "/x")
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os.symlink(ABSTFN+"x", ABSTFN+"y")
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self.assertEqual(realpath(ABSTFN+"1/../" + basename(ABSTFN) + "y"),
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ABSTFN + "y")
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self.assertEqual(realpath(ABSTFN+"1/../" + basename(ABSTFN) + "1"),
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ABSTFN + "1")
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os.symlink(basename(ABSTFN) + "a/b", ABSTFN+"a")
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self.assertEqual(realpath(ABSTFN+"a"), ABSTFN+"a/b")
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os.symlink("../" + basename(dirname(ABSTFN)) + "/" +
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basename(ABSTFN) + "c", ABSTFN+"c")
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self.assertEqual(realpath(ABSTFN+"c"), ABSTFN+"c")
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# Test using relative path as well.
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with support.change_cwd(dirname(ABSTFN)):
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self.assertEqual(realpath(basename(ABSTFN)), ABSTFN)
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finally:
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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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test_support.unlink(ABSTFN+"y")
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test_support.unlink(ABSTFN+"c")
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test_support.unlink(ABSTFN+"a")
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def test_realpath_repeated_indirect_symlinks(self):
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# Issue #6975.
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try:
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os.mkdir(ABSTFN)
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os.symlink('../' + basename(ABSTFN), ABSTFN + '/self')
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os.symlink('self/self/self', ABSTFN + '/link')
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self.assertEqual(realpath(ABSTFN + '/link'), ABSTFN)
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finally:
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test_support.unlink(ABSTFN + '/self')
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test_support.unlink(ABSTFN + '/link')
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safe_rmdir(ABSTFN)
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def test_realpath_deep_recursion(self):
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depth = 10
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try:
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os.mkdir(ABSTFN)
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for i in range(depth):
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os.symlink('/'.join(['%d' % i] * 10), ABSTFN + '/%d' % (i + 1))
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os.symlink('.', ABSTFN + '/0')
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self.assertEqual(realpath(ABSTFN + '/%d' % depth), ABSTFN)
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# Test using relative path as well.
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with support.change_cwd(ABSTFN):
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self.assertEqual(realpath('%d' % depth), ABSTFN)
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finally:
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for i in range(depth + 1):
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test_support.unlink(ABSTFN + '/%d' % i)
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safe_rmdir(ABSTFN)
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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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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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with support.change_cwd(ABSTFN + "/k"):
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self.assertEqual(realpath("a"), ABSTFN + "/y/a")
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finally:
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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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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.
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self.assertEqual(realpath(ABSTFN + "/link-y/.."), ABSTFN + "/k")
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# Relative path.
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with support.change_cwd(dirname(ABSTFN)):
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self.assertEqual(realpath(basename(ABSTFN) + "/link-y/.."),
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ABSTFN + "/k")
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finally:
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test_support.unlink(ABSTFN + "/link-y")
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safe_rmdir(ABSTFN + "/k/y")
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safe_rmdir(ABSTFN + "/k")
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safe_rmdir(ABSTFN)
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def test_realpath_resolve_first(self):
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# Bug #1213894: The first component of the path, if not absolute,
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# must be resolved too.
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try:
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os.mkdir(ABSTFN)
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os.mkdir(ABSTFN + "/k")
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os.symlink(ABSTFN, ABSTFN + "link")
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with support.change_cwd(dirname(ABSTFN)):
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base = basename(ABSTFN)
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self.assertEqual(realpath(base + "link"), ABSTFN)
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self.assertEqual(realpath(base + "link/k"), ABSTFN + "/k")
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finally:
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test_support.unlink(ABSTFN + "link")
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safe_rmdir(ABSTFN + "/k")
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safe_rmdir(ABSTFN)
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def test_relpath(self):
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(real_getcwd, os.getcwd) = (os.getcwd, lambda: r"/home/user/bar")
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try:
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curdir = os.path.split(os.getcwd())[-1]
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self.assertRaises(ValueError, posixpath.relpath, "")
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self.assertEqual(posixpath.relpath("a"), "a")
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self.assertEqual(posixpath.relpath(posixpath.abspath("a")), "a")
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self.assertEqual(posixpath.relpath("a/b"), "a/b")
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self.assertEqual(posixpath.relpath("../a/b"), "../a/b")
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self.assertEqual(posixpath.relpath("a", "../b"), "../"+curdir+"/a")
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self.assertEqual(posixpath.relpath("a/b", "../c"), "../"+curdir+"/a/b")
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self.assertEqual(posixpath.relpath("a", "b/c"), "../../a")
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self.assertEqual(posixpath.relpath("a", "a"), ".")
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self.assertEqual(posixpath.relpath("/foo/bar/bat", "/x/y/z"), '../../../foo/bar/bat')
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self.assertEqual(posixpath.relpath("/foo/bar/bat", "/foo/bar"), 'bat')
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self.assertEqual(posixpath.relpath("/foo/bar/bat", "/"), 'foo/bar/bat')
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self.assertEqual(posixpath.relpath("/", "/foo/bar/bat"), '../../..')
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self.assertEqual(posixpath.relpath("/foo/bar/bat", "/x"), '../foo/bar/bat')
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self.assertEqual(posixpath.relpath("/x", "/foo/bar/bat"), '../../../x')
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self.assertEqual(posixpath.relpath("/", "/"), '.')
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self.assertEqual(posixpath.relpath("/a", "/a"), '.')
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self.assertEqual(posixpath.relpath("/a/b", "/a/b"), '.')
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finally:
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os.getcwd = real_getcwd
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@test_support.requires_unicode
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def test_expandvars_nonascii_word(self):
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encoding = sys.getfilesystemencoding()
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# Non-ASCII word characters
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letters = test_support.u(r'\xe6\u0130\u0141\u03c6\u041a\u05d0\u062a\u0e01')
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uwnonascii = letters.encode(encoding, 'ignore').decode(encoding)[:3]
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swnonascii = uwnonascii.encode(encoding)
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if not swnonascii:
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self.skipTest('Needs non-ASCII word characters')
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with test_support.EnvironmentVarGuard() as env:
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env.clear()
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env[swnonascii] = 'baz' + swnonascii
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self.assertEqual(posixpath.expandvars(u'$%s bar' % uwnonascii),
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u'baz%s bar' % uwnonascii)
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class PosixCommonTest(test_genericpath.CommonTest):
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pathmodule = posixpath
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attributes = ['relpath', 'samefile', 'sameopenfile', 'samestat']
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def test_main():
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test_support.run_unittest(PosixPathTest, PosixCommonTest)
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if __name__=="__main__":
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test_main()
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