mirror of https://github.com/python/cpython
952 lines
41 KiB
Python
952 lines
41 KiB
Python
import inspect
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import os
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import posixpath
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import sys
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import unittest
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from posixpath import realpath, abspath, dirname, basename
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from test import test_genericpath
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from test.support import get_attribute, import_helper
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from test.support import cpython_only, os_helper
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from test.support.os_helper import FakePath
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from unittest import mock
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try:
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import posix
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except ImportError:
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posix = None
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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(os_helper.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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os_helper.unlink(os_helper.TESTFN + suffix)
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safe_rmdir(os_helper.TESTFN + suffix)
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def test_join(self):
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fn = posixpath.join
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self.assertEqual(fn("/foo", "bar", "/bar", "baz"), "/bar/baz")
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self.assertEqual(fn("/foo", "bar", "baz"), "/foo/bar/baz")
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self.assertEqual(fn("/foo/", "bar/", "baz/"), "/foo/bar/baz/")
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self.assertEqual(fn(b"/foo", b"bar", b"/bar", b"baz"), b"/bar/baz")
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self.assertEqual(fn(b"/foo", b"bar", b"baz"), b"/foo/bar/baz")
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self.assertEqual(fn(b"/foo/", b"bar/", b"baz/"), b"/foo/bar/baz/")
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self.assertEqual(fn("a", ""), "a/")
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self.assertEqual(fn("a", "", ""), "a/")
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self.assertEqual(fn("a", "b"), "a/b")
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self.assertEqual(fn("a", "b/"), "a/b/")
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self.assertEqual(fn("a/", "b"), "a/b")
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self.assertEqual(fn("a/", "b/"), "a/b/")
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self.assertEqual(fn("a", "b/c", "d"), "a/b/c/d")
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self.assertEqual(fn("a", "b//c", "d"), "a/b//c/d")
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self.assertEqual(fn("a", "b/c/", "d"), "a/b/c/d")
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self.assertEqual(fn("/a", "b"), "/a/b")
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self.assertEqual(fn("/a/", "b"), "/a/b")
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self.assertEqual(fn("a", "/b", "c"), "/b/c")
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self.assertEqual(fn("a", "/b", "/c"), "/c")
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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.assertEqual(posixpath.split(b"/foo/bar"), (b"/foo", b"bar"))
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self.assertEqual(posixpath.split(b"/"), (b"/", b""))
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self.assertEqual(posixpath.split(b"foo"), (b"", b"foo"))
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self.assertEqual(posixpath.split(b"////foo"), (b"////", b"foo"))
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self.assertEqual(posixpath.split(b"//foo//bar"), (b"//foo", b"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),
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("abc/" + filename, ext))
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self.assertEqual(posixpath.splitext("abc.def/" + path),
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("abc.def/" + filename, ext))
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self.assertEqual(posixpath.splitext("/abc.def/" + path),
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("/abc.def/" + filename, ext))
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self.assertEqual(posixpath.splitext(path + "/"),
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(filename + ext + "/", ""))
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path = bytes(path, "ASCII")
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filename = bytes(filename, "ASCII")
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ext = bytes(ext, "ASCII")
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self.assertEqual(posixpath.splitext(path), (filename, ext))
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self.assertEqual(posixpath.splitext(b"/" + path),
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(b"/" + filename, ext))
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self.assertEqual(posixpath.splitext(b"abc/" + path),
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(b"abc/" + filename, ext))
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self.assertEqual(posixpath.splitext(b"abc.def/" + path),
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(b"abc.def/" + filename, ext))
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self.assertEqual(posixpath.splitext(b"/abc.def/" + path),
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(b"/abc.def/" + filename, ext))
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self.assertEqual(posixpath.splitext(path + b"/"),
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(filename + ext + b"/", b""))
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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_splitroot(self):
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f = posixpath.splitroot
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self.assertEqual(f(''), ('', '', ''))
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self.assertEqual(f('a'), ('', '', 'a'))
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self.assertEqual(f('a/b'), ('', '', 'a/b'))
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self.assertEqual(f('a/b/'), ('', '', 'a/b/'))
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self.assertEqual(f('/a'), ('', '/', 'a'))
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self.assertEqual(f('/a/b'), ('', '/', 'a/b'))
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self.assertEqual(f('/a/b/'), ('', '/', 'a/b/'))
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# The root is collapsed when there are redundant slashes
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# except when there are exactly two leading slashes, which
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# is a special case in POSIX.
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self.assertEqual(f('//a'), ('', '//', 'a'))
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self.assertEqual(f('///a'), ('', '/', '//a'))
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self.assertEqual(f('///a/b'), ('', '/', '//a/b'))
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# Paths which look like NT paths aren't treated specially.
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self.assertEqual(f('c:/a/b'), ('', '', 'c:/a/b'))
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self.assertEqual(f('\\/a/b'), ('', '', '\\/a/b'))
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self.assertEqual(f('\\a\\b'), ('', '', '\\a\\b'))
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# Byte paths are supported
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self.assertEqual(f(b''), (b'', b'', b''))
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self.assertEqual(f(b'a'), (b'', b'', b'a'))
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self.assertEqual(f(b'/a'), (b'', b'/', b'a'))
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self.assertEqual(f(b'//a'), (b'', b'//', b'a'))
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self.assertEqual(f(b'///a'), (b'', b'/', b'//a'))
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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.assertIs(posixpath.isabs(b""), False)
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self.assertIs(posixpath.isabs(b"/"), True)
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self.assertIs(posixpath.isabs(b"/foo"), True)
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self.assertIs(posixpath.isabs(b"/foo/bar"), True)
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self.assertIs(posixpath.isabs(b"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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self.assertEqual(posixpath.basename(b"/foo/bar"), b"bar")
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self.assertEqual(posixpath.basename(b"/"), b"")
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self.assertEqual(posixpath.basename(b"foo"), b"foo")
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self.assertEqual(posixpath.basename(b"////foo"), b"foo")
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self.assertEqual(posixpath.basename(b"//foo//bar"), b"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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self.assertEqual(posixpath.dirname(b"/foo/bar"), b"/foo")
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self.assertEqual(posixpath.dirname(b"/"), b"/")
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self.assertEqual(posixpath.dirname(b"foo"), b"")
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self.assertEqual(posixpath.dirname(b"////foo"), b"////")
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self.assertEqual(posixpath.dirname(b"//foo//bar"), b"//foo")
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def test_islink(self):
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self.assertIs(posixpath.islink(os_helper.TESTFN + "1"), False)
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self.assertIs(posixpath.lexists(os_helper.TESTFN + "2"), False)
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with open(os_helper.TESTFN + "1", "wb") as f:
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f.write(b"foo")
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self.assertIs(posixpath.islink(os_helper.TESTFN + "1"), False)
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if os_helper.can_symlink():
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os.symlink(os_helper.TESTFN + "1", os_helper.TESTFN + "2")
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self.assertIs(posixpath.islink(os_helper.TESTFN + "2"), True)
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os.remove(os_helper.TESTFN + "1")
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self.assertIs(posixpath.islink(os_helper.TESTFN + "2"), True)
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self.assertIs(posixpath.exists(os_helper.TESTFN + "2"), False)
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self.assertIs(posixpath.lexists(os_helper.TESTFN + "2"), True)
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self.assertIs(posixpath.islink(os_helper.TESTFN + "\udfff"), False)
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self.assertIs(posixpath.islink(os.fsencode(os_helper.TESTFN) + b"\xff"), False)
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self.assertIs(posixpath.islink(os_helper.TESTFN + "\x00"), False)
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self.assertIs(posixpath.islink(os.fsencode(os_helper.TESTFN) + b"\x00"), False)
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def test_ismount(self):
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self.assertIs(posixpath.ismount("/"), True)
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self.assertIs(posixpath.ismount(b"/"), True)
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self.assertIs(posixpath.ismount(FakePath("/")), True)
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self.assertIs(posixpath.ismount(FakePath(b"/")), True)
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def test_ismount_non_existent(self):
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# Non-existent mountpoint.
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self.assertIs(posixpath.ismount(ABSTFN), False)
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try:
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os.mkdir(ABSTFN)
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self.assertIs(posixpath.ismount(ABSTFN), False)
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finally:
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safe_rmdir(ABSTFN)
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self.assertIs(posixpath.ismount('/\udfff'), False)
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self.assertIs(posixpath.ismount(b'/\xff'), False)
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self.assertIs(posixpath.ismount('/\x00'), False)
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self.assertIs(posixpath.ismount(b'/\x00'), False)
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@os_helper.skip_unless_symlink
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def test_ismount_symlinks(self):
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# Symlinks are never mountpoints.
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try:
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os.symlink("/", ABSTFN)
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self.assertIs(posixpath.ismount(ABSTFN), False)
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finally:
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os.unlink(ABSTFN)
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@unittest.skipIf(posix is None, "Test requires posix module")
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def test_ismount_different_device(self):
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# Simulate the path being on a different device from its parent by
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# mocking out st_dev.
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save_lstat = os.lstat
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def fake_lstat(path):
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st_ino = 0
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st_dev = 0
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if path == ABSTFN:
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st_dev = 1
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st_ino = 1
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return posix.stat_result((0, st_ino, st_dev, 0, 0, 0, 0, 0, 0, 0))
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try:
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os.lstat = fake_lstat
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self.assertIs(posixpath.ismount(ABSTFN), True)
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finally:
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os.lstat = save_lstat
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@unittest.skipIf(posix is None, "Test requires posix module")
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def test_ismount_directory_not_readable(self):
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# issue #2466: Simulate ismount run on a directory that is not
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# readable, which used to return False.
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save_lstat = os.lstat
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def fake_lstat(path):
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st_ino = 0
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st_dev = 0
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if path.startswith(ABSTFN) and path != ABSTFN:
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# ismount tries to read something inside the ABSTFN directory;
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# simulate this being forbidden (no read permission).
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raise OSError("Fake [Errno 13] Permission denied")
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if path == ABSTFN:
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st_dev = 1
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st_ino = 1
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return posix.stat_result((0, st_ino, st_dev, 0, 0, 0, 0, 0, 0, 0))
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try:
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os.lstat = fake_lstat
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self.assertIs(posixpath.ismount(ABSTFN), True)
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finally:
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os.lstat = save_lstat
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def test_isjunction(self):
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self.assertFalse(posixpath.isjunction(ABSTFN))
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@unittest.skipIf(sys.platform == 'win32', "Fast paths are not for win32")
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@cpython_only
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def test_fast_paths_in_use(self):
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# There are fast paths of these functions implemented in posixmodule.c.
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# Confirm that they are being used, and not the Python fallbacks
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self.assertTrue(os.path.splitroot is posix._path_splitroot_ex)
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self.assertFalse(inspect.isfunction(os.path.splitroot))
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self.assertTrue(os.path.normpath is posix._path_normpath)
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self.assertFalse(inspect.isfunction(os.path.normpath))
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def test_expanduser(self):
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self.assertEqual(posixpath.expanduser("foo"), "foo")
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self.assertEqual(posixpath.expanduser(b"foo"), b"foo")
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def test_expanduser_home_envvar(self):
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with os_helper.EnvironmentVarGuard() as env:
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env['HOME'] = '/home/victor'
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self.assertEqual(posixpath.expanduser("~"), "/home/victor")
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# expanduser() strips trailing slash
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env['HOME'] = '/home/victor/'
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self.assertEqual(posixpath.expanduser("~"), "/home/victor")
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for home in '/', '', '//', '///':
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with self.subTest(home=home):
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env['HOME'] = home
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self.assertEqual(posixpath.expanduser("~"), "/")
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self.assertEqual(posixpath.expanduser("~/"), "/")
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self.assertEqual(posixpath.expanduser("~/foo"), "/foo")
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@unittest.skipIf(sys.platform == "vxworks",
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"no home directory on VxWorks")
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def test_expanduser_pwd(self):
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pwd = import_helper.import_module('pwd')
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self.assertIsInstance(posixpath.expanduser("~/"), str)
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self.assertIsInstance(posixpath.expanduser(b"~/"), bytes)
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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.assertEqual(
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posixpath.expanduser(b"~") + b"/",
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posixpath.expanduser(b"~/")
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)
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self.assertIsInstance(posixpath.expanduser("~root/"), str)
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self.assertIsInstance(posixpath.expanduser("~foo/"), str)
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self.assertIsInstance(posixpath.expanduser(b"~root/"), bytes)
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self.assertIsInstance(posixpath.expanduser(b"~foo/"), bytes)
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with os_helper.EnvironmentVarGuard() as env:
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# expanduser should fall back to using the password database
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del env['HOME']
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home = pwd.getpwuid(os.getuid()).pw_dir
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# $HOME can end with a trailing /, so strip it (see #17809)
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home = home.rstrip("/") or '/'
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self.assertEqual(posixpath.expanduser("~"), home)
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# bpo-10496: If the HOME environment variable is not set and the
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# user (current identifier or name in the path) doesn't exist in
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# the password database (pwd.getuid() or pwd.getpwnam() fail),
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# expanduser() must return the path unchanged.
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with mock.patch.object(pwd, 'getpwuid', side_effect=KeyError), \
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mock.patch.object(pwd, 'getpwnam', side_effect=KeyError):
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for path in ('~', '~/.local', '~vstinner/'):
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self.assertEqual(posixpath.expanduser(path), path)
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@unittest.skipIf(sys.platform == "vxworks",
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"no home directory on VxWorks")
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def test_expanduser_pwd2(self):
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pwd = import_helper.import_module('pwd')
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for all_entry in get_attribute(pwd, 'getpwall')():
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name = all_entry.pw_name
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# gh-121200: pw_dir can be different between getpwall() and
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# getpwnam(), so use getpwnam() pw_dir as expanduser() does.
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entry = pwd.getpwnam(name)
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home = entry.pw_dir
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home = home.rstrip('/') or '/'
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with self.subTest(all_entry=all_entry, entry=entry):
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self.assertEqual(posixpath.expanduser('~' + name), home)
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self.assertEqual(posixpath.expanduser(os.fsencode('~' + name)),
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os.fsencode(home))
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NORMPATH_CASES = [
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("", "."),
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("/", "/"),
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("/.", "/"),
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("/./", "/"),
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("/.//.", "/"),
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("/foo", "/foo"),
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("/foo/bar", "/foo/bar"),
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("//", "//"),
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("///", "/"),
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("///foo/.//bar//", "/foo/bar"),
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("///foo/.//bar//.//..//.//baz///", "/foo/baz"),
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("///..//./foo/.//bar", "/foo/bar"),
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(".", "."),
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(".//.", "."),
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("..", ".."),
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("../", ".."),
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("../foo", "../foo"),
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("../../foo", "../../foo"),
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("../foo/../bar", "../bar"),
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("../../foo/../bar/./baz/boom/..", "../../bar/baz"),
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("/..", "/"),
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("/..", "/"),
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("/../", "/"),
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("/..//", "/"),
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("//.", "//"),
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("//..", "//"),
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("//...", "//..."),
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("//../foo", "//foo"),
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("//../../foo", "//foo"),
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("/../foo", "/foo"),
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("/../../foo", "/foo"),
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("/../foo/../", "/"),
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("/../foo/../bar", "/bar"),
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("/../../foo/../bar/./baz/boom/..", "/bar/baz"),
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("/../../foo/../bar/./baz/boom/.", "/bar/baz/boom"),
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|
("foo/../bar/baz", "bar/baz"),
|
|
("foo/../../bar/baz", "../bar/baz"),
|
|
("foo/../../../bar/baz", "../../bar/baz"),
|
|
("foo///../bar/.././../baz/boom", "../baz/boom"),
|
|
("foo/bar/../..///../../baz/boom", "../../baz/boom"),
|
|
("/foo/..", "/"),
|
|
("/foo/../..", "/"),
|
|
("//foo/..", "//"),
|
|
("//foo/../..", "//"),
|
|
("///foo/..", "/"),
|
|
("///foo/../..", "/"),
|
|
("////foo/..", "/"),
|
|
("/////foo/..", "/"),
|
|
]
|
|
|
|
def test_normpath(self):
|
|
for path, expected in self.NORMPATH_CASES:
|
|
with self.subTest(path):
|
|
result = posixpath.normpath(path)
|
|
self.assertEqual(result, expected)
|
|
|
|
path = path.encode('utf-8')
|
|
expected = expected.encode('utf-8')
|
|
with self.subTest(path, type=bytes):
|
|
result = posixpath.normpath(path)
|
|
self.assertEqual(result, expected)
|
|
|
|
@skip_if_ABSTFN_contains_backslash
|
|
def test_realpath_curdir(self):
|
|
self.assertEqual(realpath('.'), os.getcwd())
|
|
self.assertEqual(realpath('./.'), os.getcwd())
|
|
self.assertEqual(realpath('/'.join(['.'] * 100)), os.getcwd())
|
|
|
|
self.assertEqual(realpath(b'.'), os.getcwdb())
|
|
self.assertEqual(realpath(b'./.'), os.getcwdb())
|
|
self.assertEqual(realpath(b'/'.join([b'.'] * 100)), os.getcwdb())
|
|
|
|
@skip_if_ABSTFN_contains_backslash
|
|
def test_realpath_pardir(self):
|
|
self.assertEqual(realpath('..'), dirname(os.getcwd()))
|
|
self.assertEqual(realpath('../..'), dirname(dirname(os.getcwd())))
|
|
self.assertEqual(realpath('/'.join(['..'] * 100)), '/')
|
|
|
|
self.assertEqual(realpath(b'..'), dirname(os.getcwdb()))
|
|
self.assertEqual(realpath(b'../..'), dirname(dirname(os.getcwdb())))
|
|
self.assertEqual(realpath(b'/'.join([b'..'] * 100)), b'/')
|
|
|
|
@os_helper.skip_unless_symlink
|
|
@skip_if_ABSTFN_contains_backslash
|
|
def test_realpath_basic(self):
|
|
# Basic operation.
|
|
try:
|
|
os.symlink(ABSTFN+"1", ABSTFN)
|
|
self.assertEqual(realpath(ABSTFN), ABSTFN+"1")
|
|
finally:
|
|
os_helper.unlink(ABSTFN)
|
|
|
|
@os_helper.skip_unless_symlink
|
|
@skip_if_ABSTFN_contains_backslash
|
|
def test_realpath_strict(self):
|
|
# Bug #43757: raise FileNotFoundError in strict mode if we encounter
|
|
# a path that does not exist.
|
|
try:
|
|
os.symlink(ABSTFN+"1", ABSTFN)
|
|
self.assertRaises(FileNotFoundError, realpath, ABSTFN, strict=True)
|
|
self.assertRaises(FileNotFoundError, realpath, ABSTFN + "2", strict=True)
|
|
finally:
|
|
os_helper.unlink(ABSTFN)
|
|
|
|
@os_helper.skip_unless_symlink
|
|
@skip_if_ABSTFN_contains_backslash
|
|
def test_realpath_relative(self):
|
|
try:
|
|
os.symlink(posixpath.relpath(ABSTFN+"1"), ABSTFN)
|
|
self.assertEqual(realpath(ABSTFN), ABSTFN+"1")
|
|
finally:
|
|
os_helper.unlink(ABSTFN)
|
|
|
|
@os_helper.skip_unless_symlink
|
|
@skip_if_ABSTFN_contains_backslash
|
|
def test_realpath_missing_pardir(self):
|
|
try:
|
|
os.symlink(os_helper.TESTFN + "1", os_helper.TESTFN)
|
|
self.assertEqual(realpath("nonexistent/../" + os_helper.TESTFN), ABSTFN + "1")
|
|
finally:
|
|
os_helper.unlink(os_helper.TESTFN)
|
|
|
|
@os_helper.skip_unless_symlink
|
|
@skip_if_ABSTFN_contains_backslash
|
|
def test_realpath_symlink_loops(self):
|
|
# Bug #930024, return the path unchanged if we get into an infinite
|
|
# symlink loop in non-strict mode (default).
|
|
try:
|
|
os.symlink(ABSTFN, ABSTFN)
|
|
self.assertEqual(realpath(ABSTFN), ABSTFN)
|
|
|
|
os.symlink(ABSTFN+"1", ABSTFN+"2")
|
|
os.symlink(ABSTFN+"2", ABSTFN+"1")
|
|
self.assertEqual(realpath(ABSTFN+"1"), ABSTFN+"1")
|
|
self.assertEqual(realpath(ABSTFN+"2"), ABSTFN+"2")
|
|
|
|
self.assertEqual(realpath(ABSTFN+"1/x"), ABSTFN+"1/x")
|
|
self.assertEqual(realpath(ABSTFN+"1/.."), dirname(ABSTFN))
|
|
self.assertEqual(realpath(ABSTFN+"1/../x"), dirname(ABSTFN) + "/x")
|
|
os.symlink(ABSTFN+"x", ABSTFN+"y")
|
|
self.assertEqual(realpath(ABSTFN+"1/../" + basename(ABSTFN) + "y"),
|
|
ABSTFN + "x")
|
|
self.assertEqual(realpath(ABSTFN+"1/../" + basename(ABSTFN) + "1"),
|
|
ABSTFN + "1")
|
|
|
|
os.symlink(basename(ABSTFN) + "a/b", ABSTFN+"a")
|
|
self.assertEqual(realpath(ABSTFN+"a"), ABSTFN+"a/b")
|
|
|
|
os.symlink("../" + basename(dirname(ABSTFN)) + "/" +
|
|
basename(ABSTFN) + "c", ABSTFN+"c")
|
|
self.assertEqual(realpath(ABSTFN+"c"), ABSTFN+"c")
|
|
|
|
# Test using relative path as well.
|
|
with os_helper.change_cwd(dirname(ABSTFN)):
|
|
self.assertEqual(realpath(basename(ABSTFN)), ABSTFN)
|
|
finally:
|
|
os_helper.unlink(ABSTFN)
|
|
os_helper.unlink(ABSTFN+"1")
|
|
os_helper.unlink(ABSTFN+"2")
|
|
os_helper.unlink(ABSTFN+"y")
|
|
os_helper.unlink(ABSTFN+"c")
|
|
os_helper.unlink(ABSTFN+"a")
|
|
|
|
@os_helper.skip_unless_symlink
|
|
@skip_if_ABSTFN_contains_backslash
|
|
def test_realpath_symlink_loops_strict(self):
|
|
# Bug #43757, raise OSError if we get into an infinite symlink loop in
|
|
# strict mode.
|
|
try:
|
|
os.symlink(ABSTFN, ABSTFN)
|
|
self.assertRaises(OSError, realpath, ABSTFN, strict=True)
|
|
|
|
os.symlink(ABSTFN+"1", ABSTFN+"2")
|
|
os.symlink(ABSTFN+"2", ABSTFN+"1")
|
|
self.assertRaises(OSError, realpath, ABSTFN+"1", strict=True)
|
|
self.assertRaises(OSError, realpath, ABSTFN+"2", strict=True)
|
|
|
|
self.assertRaises(OSError, realpath, ABSTFN+"1/x", strict=True)
|
|
self.assertRaises(OSError, realpath, ABSTFN+"1/..", strict=True)
|
|
self.assertRaises(OSError, realpath, ABSTFN+"1/../x", strict=True)
|
|
os.symlink(ABSTFN+"x", ABSTFN+"y")
|
|
self.assertRaises(OSError, realpath,
|
|
ABSTFN+"1/../" + basename(ABSTFN) + "y", strict=True)
|
|
self.assertRaises(OSError, realpath,
|
|
ABSTFN+"1/../" + basename(ABSTFN) + "1", strict=True)
|
|
|
|
os.symlink(basename(ABSTFN) + "a/b", ABSTFN+"a")
|
|
self.assertRaises(OSError, realpath, ABSTFN+"a", strict=True)
|
|
|
|
os.symlink("../" + basename(dirname(ABSTFN)) + "/" +
|
|
basename(ABSTFN) + "c", ABSTFN+"c")
|
|
self.assertRaises(OSError, realpath, ABSTFN+"c", strict=True)
|
|
|
|
# Test using relative path as well.
|
|
with os_helper.change_cwd(dirname(ABSTFN)):
|
|
self.assertRaises(OSError, realpath, basename(ABSTFN), strict=True)
|
|
finally:
|
|
os_helper.unlink(ABSTFN)
|
|
os_helper.unlink(ABSTFN+"1")
|
|
os_helper.unlink(ABSTFN+"2")
|
|
os_helper.unlink(ABSTFN+"y")
|
|
os_helper.unlink(ABSTFN+"c")
|
|
os_helper.unlink(ABSTFN+"a")
|
|
|
|
@os_helper.skip_unless_symlink
|
|
@skip_if_ABSTFN_contains_backslash
|
|
def test_realpath_repeated_indirect_symlinks(self):
|
|
# Issue #6975.
|
|
try:
|
|
os.mkdir(ABSTFN)
|
|
os.symlink('../' + basename(ABSTFN), ABSTFN + '/self')
|
|
os.symlink('self/self/self', ABSTFN + '/link')
|
|
self.assertEqual(realpath(ABSTFN + '/link'), ABSTFN)
|
|
finally:
|
|
os_helper.unlink(ABSTFN + '/self')
|
|
os_helper.unlink(ABSTFN + '/link')
|
|
safe_rmdir(ABSTFN)
|
|
|
|
@os_helper.skip_unless_symlink
|
|
@skip_if_ABSTFN_contains_backslash
|
|
def test_realpath_deep_recursion(self):
|
|
depth = 10
|
|
try:
|
|
os.mkdir(ABSTFN)
|
|
for i in range(depth):
|
|
os.symlink('/'.join(['%d' % i] * 10), ABSTFN + '/%d' % (i + 1))
|
|
os.symlink('.', ABSTFN + '/0')
|
|
self.assertEqual(realpath(ABSTFN + '/%d' % depth), ABSTFN)
|
|
|
|
# Test using relative path as well.
|
|
with os_helper.change_cwd(ABSTFN):
|
|
self.assertEqual(realpath('%d' % depth), ABSTFN)
|
|
finally:
|
|
for i in range(depth + 1):
|
|
os_helper.unlink(ABSTFN + '/%d' % i)
|
|
safe_rmdir(ABSTFN)
|
|
|
|
@os_helper.skip_unless_symlink
|
|
@skip_if_ABSTFN_contains_backslash
|
|
def test_realpath_resolve_parents(self):
|
|
# We also need to resolve any symlinks in the parents of a relative
|
|
# path passed to realpath. E.g.: current working directory is
|
|
# /usr/doc with 'doc' being a symlink to /usr/share/doc. We call
|
|
# realpath("a"). This should return /usr/share/doc/a/.
|
|
try:
|
|
os.mkdir(ABSTFN)
|
|
os.mkdir(ABSTFN + "/y")
|
|
os.symlink(ABSTFN + "/y", ABSTFN + "/k")
|
|
|
|
with os_helper.change_cwd(ABSTFN + "/k"):
|
|
self.assertEqual(realpath("a"), ABSTFN + "/y/a")
|
|
finally:
|
|
os_helper.unlink(ABSTFN + "/k")
|
|
safe_rmdir(ABSTFN + "/y")
|
|
safe_rmdir(ABSTFN)
|
|
|
|
@os_helper.skip_unless_symlink
|
|
@skip_if_ABSTFN_contains_backslash
|
|
def test_realpath_resolve_before_normalizing(self):
|
|
# Bug #990669: Symbolic links should be resolved before we
|
|
# normalize the path. E.g.: if we have directories 'a', 'k' and 'y'
|
|
# in the following hierarchy:
|
|
# a/k/y
|
|
#
|
|
# and a symbolic link 'link-y' pointing to 'y' in directory 'a',
|
|
# then realpath("link-y/..") should return 'k', not 'a'.
|
|
try:
|
|
os.mkdir(ABSTFN)
|
|
os.mkdir(ABSTFN + "/k")
|
|
os.mkdir(ABSTFN + "/k/y")
|
|
os.symlink(ABSTFN + "/k/y", ABSTFN + "/link-y")
|
|
|
|
# Absolute path.
|
|
self.assertEqual(realpath(ABSTFN + "/link-y/.."), ABSTFN + "/k")
|
|
# Relative path.
|
|
with os_helper.change_cwd(dirname(ABSTFN)):
|
|
self.assertEqual(realpath(basename(ABSTFN) + "/link-y/.."),
|
|
ABSTFN + "/k")
|
|
finally:
|
|
os_helper.unlink(ABSTFN + "/link-y")
|
|
safe_rmdir(ABSTFN + "/k/y")
|
|
safe_rmdir(ABSTFN + "/k")
|
|
safe_rmdir(ABSTFN)
|
|
|
|
@os_helper.skip_unless_symlink
|
|
@skip_if_ABSTFN_contains_backslash
|
|
def test_realpath_resolve_first(self):
|
|
# Bug #1213894: The first component of the path, if not absolute,
|
|
# must be resolved too.
|
|
|
|
try:
|
|
os.mkdir(ABSTFN)
|
|
os.mkdir(ABSTFN + "/k")
|
|
os.symlink(ABSTFN, ABSTFN + "link")
|
|
with os_helper.change_cwd(dirname(ABSTFN)):
|
|
base = basename(ABSTFN)
|
|
self.assertEqual(realpath(base + "link"), ABSTFN)
|
|
self.assertEqual(realpath(base + "link/k"), ABSTFN + "/k")
|
|
finally:
|
|
os_helper.unlink(ABSTFN + "link")
|
|
safe_rmdir(ABSTFN + "/k")
|
|
safe_rmdir(ABSTFN)
|
|
|
|
@os_helper.skip_unless_symlink
|
|
@skip_if_ABSTFN_contains_backslash
|
|
@unittest.skipIf(os.chmod not in os.supports_follow_symlinks, "Can't set symlink permissions")
|
|
@unittest.skipIf(sys.platform != "darwin", "only macOS requires read permission to readlink()")
|
|
def test_realpath_unreadable_symlink(self):
|
|
try:
|
|
os.symlink(ABSTFN+"1", ABSTFN)
|
|
os.chmod(ABSTFN, 0o000, follow_symlinks=False)
|
|
self.assertEqual(realpath(ABSTFN), ABSTFN)
|
|
self.assertEqual(realpath(ABSTFN + '/foo'), ABSTFN + '/foo')
|
|
self.assertEqual(realpath(ABSTFN + '/../foo'), dirname(ABSTFN) + '/foo')
|
|
self.assertEqual(realpath(ABSTFN + '/foo/..'), ABSTFN)
|
|
with self.assertRaises(PermissionError):
|
|
realpath(ABSTFN, strict=True)
|
|
finally:
|
|
os.chmod(ABSTFN, 0o755, follow_symlinks=False)
|
|
os.unlink(ABSTFN)
|
|
|
|
@skip_if_ABSTFN_contains_backslash
|
|
def test_realpath_nonterminal_file(self):
|
|
try:
|
|
with open(ABSTFN, 'w') as f:
|
|
f.write('test_posixpath wuz ere')
|
|
self.assertEqual(realpath(ABSTFN, strict=False), ABSTFN)
|
|
self.assertEqual(realpath(ABSTFN, strict=True), ABSTFN)
|
|
self.assertEqual(realpath(ABSTFN + "/", strict=False), ABSTFN)
|
|
self.assertRaises(NotADirectoryError, realpath, ABSTFN + "/", strict=True)
|
|
self.assertEqual(realpath(ABSTFN + "/.", strict=False), ABSTFN)
|
|
self.assertRaises(NotADirectoryError, realpath, ABSTFN + "/.", strict=True)
|
|
self.assertEqual(realpath(ABSTFN + "/..", strict=False), dirname(ABSTFN))
|
|
self.assertRaises(NotADirectoryError, realpath, ABSTFN + "/..", strict=True)
|
|
self.assertEqual(realpath(ABSTFN + "/subdir", strict=False), ABSTFN + "/subdir")
|
|
self.assertRaises(NotADirectoryError, realpath, ABSTFN + "/subdir", strict=True)
|
|
finally:
|
|
os_helper.unlink(ABSTFN)
|
|
|
|
@os_helper.skip_unless_symlink
|
|
@skip_if_ABSTFN_contains_backslash
|
|
def test_realpath_nonterminal_symlink_to_file(self):
|
|
try:
|
|
with open(ABSTFN + "1", 'w') as f:
|
|
f.write('test_posixpath wuz ere')
|
|
os.symlink(ABSTFN + "1", ABSTFN)
|
|
self.assertEqual(realpath(ABSTFN, strict=False), ABSTFN + "1")
|
|
self.assertEqual(realpath(ABSTFN, strict=True), ABSTFN + "1")
|
|
self.assertEqual(realpath(ABSTFN + "/", strict=False), ABSTFN + "1")
|
|
self.assertRaises(NotADirectoryError, realpath, ABSTFN + "/", strict=True)
|
|
self.assertEqual(realpath(ABSTFN + "/.", strict=False), ABSTFN + "1")
|
|
self.assertRaises(NotADirectoryError, realpath, ABSTFN + "/.", strict=True)
|
|
self.assertEqual(realpath(ABSTFN + "/..", strict=False), dirname(ABSTFN))
|
|
self.assertRaises(NotADirectoryError, realpath, ABSTFN + "/..", strict=True)
|
|
self.assertEqual(realpath(ABSTFN + "/subdir", strict=False), ABSTFN + "1/subdir")
|
|
self.assertRaises(NotADirectoryError, realpath, ABSTFN + "/subdir", strict=True)
|
|
finally:
|
|
os_helper.unlink(ABSTFN)
|
|
|
|
@os_helper.skip_unless_symlink
|
|
@skip_if_ABSTFN_contains_backslash
|
|
def test_realpath_nonterminal_symlink_to_symlinks_to_file(self):
|
|
try:
|
|
with open(ABSTFN + "2", 'w') as f:
|
|
f.write('test_posixpath wuz ere')
|
|
os.symlink(ABSTFN + "2", ABSTFN + "1")
|
|
os.symlink(ABSTFN + "1", ABSTFN)
|
|
self.assertEqual(realpath(ABSTFN, strict=False), ABSTFN + "2")
|
|
self.assertEqual(realpath(ABSTFN, strict=True), ABSTFN + "2")
|
|
self.assertEqual(realpath(ABSTFN + "/", strict=False), ABSTFN + "2")
|
|
self.assertRaises(NotADirectoryError, realpath, ABSTFN + "/", strict=True)
|
|
self.assertEqual(realpath(ABSTFN + "/.", strict=False), ABSTFN + "2")
|
|
self.assertRaises(NotADirectoryError, realpath, ABSTFN + "/.", strict=True)
|
|
self.assertEqual(realpath(ABSTFN + "/..", strict=False), dirname(ABSTFN))
|
|
self.assertRaises(NotADirectoryError, realpath, ABSTFN + "/..", strict=True)
|
|
self.assertEqual(realpath(ABSTFN + "/subdir", strict=False), ABSTFN + "2/subdir")
|
|
self.assertRaises(NotADirectoryError, realpath, ABSTFN + "/subdir", strict=True)
|
|
finally:
|
|
os_helper.unlink(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(TypeError, posixpath.relpath, None)
|
|
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"), ".")
|
|
self.assertEqual(posixpath.relpath("/foo/bar/bat", "/x/y/z"), '../../../foo/bar/bat')
|
|
self.assertEqual(posixpath.relpath("/foo/bar/bat", "/foo/bar"), 'bat')
|
|
self.assertEqual(posixpath.relpath("/foo/bar/bat", "/"), 'foo/bar/bat')
|
|
self.assertEqual(posixpath.relpath("/", "/foo/bar/bat"), '../../..')
|
|
self.assertEqual(posixpath.relpath("/foo/bar/bat", "/x"), '../foo/bar/bat')
|
|
self.assertEqual(posixpath.relpath("/x", "/foo/bar/bat"), '../../../x')
|
|
self.assertEqual(posixpath.relpath("/", "/"), '.')
|
|
self.assertEqual(posixpath.relpath("/a", "/a"), '.')
|
|
self.assertEqual(posixpath.relpath("/a/b", "/a/b"), '.')
|
|
finally:
|
|
os.getcwd = real_getcwd
|
|
|
|
def test_relpath_bytes(self):
|
|
(real_getcwdb, os.getcwdb) = (os.getcwdb, lambda: br"/home/user/bar")
|
|
try:
|
|
curdir = os.path.split(os.getcwdb())[-1]
|
|
self.assertRaises(ValueError, posixpath.relpath, b"")
|
|
self.assertEqual(posixpath.relpath(b"a"), b"a")
|
|
self.assertEqual(posixpath.relpath(posixpath.abspath(b"a")), b"a")
|
|
self.assertEqual(posixpath.relpath(b"a/b"), b"a/b")
|
|
self.assertEqual(posixpath.relpath(b"../a/b"), b"../a/b")
|
|
self.assertEqual(posixpath.relpath(b"a", b"../b"),
|
|
b"../"+curdir+b"/a")
|
|
self.assertEqual(posixpath.relpath(b"a/b", b"../c"),
|
|
b"../"+curdir+b"/a/b")
|
|
self.assertEqual(posixpath.relpath(b"a", b"b/c"), b"../../a")
|
|
self.assertEqual(posixpath.relpath(b"a", b"a"), b".")
|
|
self.assertEqual(posixpath.relpath(b"/foo/bar/bat", b"/x/y/z"), b'../../../foo/bar/bat')
|
|
self.assertEqual(posixpath.relpath(b"/foo/bar/bat", b"/foo/bar"), b'bat')
|
|
self.assertEqual(posixpath.relpath(b"/foo/bar/bat", b"/"), b'foo/bar/bat')
|
|
self.assertEqual(posixpath.relpath(b"/", b"/foo/bar/bat"), b'../../..')
|
|
self.assertEqual(posixpath.relpath(b"/foo/bar/bat", b"/x"), b'../foo/bar/bat')
|
|
self.assertEqual(posixpath.relpath(b"/x", b"/foo/bar/bat"), b'../../../x')
|
|
self.assertEqual(posixpath.relpath(b"/", b"/"), b'.')
|
|
self.assertEqual(posixpath.relpath(b"/a", b"/a"), b'.')
|
|
self.assertEqual(posixpath.relpath(b"/a/b", b"/a/b"), b'.')
|
|
|
|
self.assertRaises(TypeError, posixpath.relpath, b"bytes", "str")
|
|
self.assertRaises(TypeError, posixpath.relpath, "str", b"bytes")
|
|
finally:
|
|
os.getcwdb = real_getcwdb
|
|
|
|
def test_commonpath(self):
|
|
def check(paths, expected):
|
|
self.assertEqual(posixpath.commonpath(paths), expected)
|
|
self.assertEqual(posixpath.commonpath([os.fsencode(p) for p in paths]),
|
|
os.fsencode(expected))
|
|
def check_error(exc, paths):
|
|
self.assertRaises(exc, posixpath.commonpath, paths)
|
|
self.assertRaises(exc, posixpath.commonpath,
|
|
[os.fsencode(p) for p in paths])
|
|
|
|
self.assertRaises(TypeError, posixpath.commonpath, None)
|
|
self.assertRaises(ValueError, posixpath.commonpath, [])
|
|
self.assertRaises(ValueError, posixpath.commonpath, iter([]))
|
|
check_error(ValueError, ['/usr', 'usr'])
|
|
check_error(ValueError, ['usr', '/usr'])
|
|
|
|
check(['/usr/local'], '/usr/local')
|
|
check(['/usr/local', '/usr/local'], '/usr/local')
|
|
check(['/usr/local/', '/usr/local'], '/usr/local')
|
|
check(['/usr/local/', '/usr/local/'], '/usr/local')
|
|
check(['/usr//local', '//usr/local'], '/usr/local')
|
|
check(['/usr/./local', '/./usr/local'], '/usr/local')
|
|
check(['/', '/dev'], '/')
|
|
check(['/usr', '/dev'], '/')
|
|
check(['/usr/lib/', '/usr/lib/python3'], '/usr/lib')
|
|
check(['/usr/lib/', '/usr/lib64/'], '/usr')
|
|
|
|
check(['/usr/lib', '/usr/lib64'], '/usr')
|
|
check(['/usr/lib/', '/usr/lib64'], '/usr')
|
|
|
|
check(['spam'], 'spam')
|
|
check(['spam', 'spam'], 'spam')
|
|
check(['spam', 'alot'], '')
|
|
check(['and/jam', 'and/spam'], 'and')
|
|
check(['and//jam', 'and/spam//'], 'and')
|
|
check(['and/./jam', './and/spam'], 'and')
|
|
check(['and/jam', 'and/spam', 'alot'], '')
|
|
check(['and/jam', 'and/spam', 'and'], 'and')
|
|
|
|
check([''], '')
|
|
check(['', 'spam/alot'], '')
|
|
check_error(ValueError, ['', '/spam/alot'])
|
|
|
|
self.assertRaises(TypeError, posixpath.commonpath,
|
|
[b'/usr/lib/', '/usr/lib/python3'])
|
|
self.assertRaises(TypeError, posixpath.commonpath,
|
|
[b'/usr/lib/', 'usr/lib/python3'])
|
|
self.assertRaises(TypeError, posixpath.commonpath,
|
|
[b'usr/lib/', '/usr/lib/python3'])
|
|
self.assertRaises(TypeError, posixpath.commonpath,
|
|
['/usr/lib/', b'/usr/lib/python3'])
|
|
self.assertRaises(TypeError, posixpath.commonpath,
|
|
['/usr/lib/', b'usr/lib/python3'])
|
|
self.assertRaises(TypeError, posixpath.commonpath,
|
|
['usr/lib/', b'/usr/lib/python3'])
|
|
|
|
|
|
class PosixCommonTest(test_genericpath.CommonTest, unittest.TestCase):
|
|
pathmodule = posixpath
|
|
attributes = ['relpath', 'samefile', 'sameopenfile', 'samestat']
|
|
|
|
|
|
class PathLikeTests(unittest.TestCase):
|
|
|
|
path = posixpath
|
|
|
|
def setUp(self):
|
|
self.file_name = os_helper.TESTFN
|
|
self.file_path = FakePath(os_helper.TESTFN)
|
|
self.addCleanup(os_helper.unlink, self.file_name)
|
|
with open(self.file_name, 'xb', 0) as file:
|
|
file.write(b"test_posixpath.PathLikeTests")
|
|
|
|
def assertPathEqual(self, func):
|
|
self.assertEqual(func(self.file_path), func(self.file_name))
|
|
|
|
def test_path_normcase(self):
|
|
self.assertPathEqual(self.path.normcase)
|
|
|
|
def test_path_isabs(self):
|
|
self.assertPathEqual(self.path.isabs)
|
|
|
|
def test_path_join(self):
|
|
self.assertEqual(self.path.join('a', FakePath('b'), 'c'),
|
|
self.path.join('a', 'b', 'c'))
|
|
|
|
def test_path_split(self):
|
|
self.assertPathEqual(self.path.split)
|
|
|
|
def test_path_splitext(self):
|
|
self.assertPathEqual(self.path.splitext)
|
|
|
|
def test_path_splitdrive(self):
|
|
self.assertPathEqual(self.path.splitdrive)
|
|
|
|
def test_path_splitroot(self):
|
|
self.assertPathEqual(self.path.splitroot)
|
|
|
|
def test_path_basename(self):
|
|
self.assertPathEqual(self.path.basename)
|
|
|
|
def test_path_dirname(self):
|
|
self.assertPathEqual(self.path.dirname)
|
|
|
|
def test_path_islink(self):
|
|
self.assertPathEqual(self.path.islink)
|
|
|
|
def test_path_lexists(self):
|
|
self.assertPathEqual(self.path.lexists)
|
|
|
|
def test_path_ismount(self):
|
|
self.assertPathEqual(self.path.ismount)
|
|
|
|
def test_path_expanduser(self):
|
|
self.assertPathEqual(self.path.expanduser)
|
|
|
|
def test_path_expandvars(self):
|
|
self.assertPathEqual(self.path.expandvars)
|
|
|
|
def test_path_normpath(self):
|
|
self.assertPathEqual(self.path.normpath)
|
|
|
|
def test_path_abspath(self):
|
|
self.assertPathEqual(self.path.abspath)
|
|
|
|
def test_path_realpath(self):
|
|
self.assertPathEqual(self.path.realpath)
|
|
|
|
def test_path_relpath(self):
|
|
self.assertPathEqual(self.path.relpath)
|
|
|
|
def test_path_commonpath(self):
|
|
common_path = self.path.commonpath([self.file_path, self.file_name])
|
|
self.assertEqual(common_path, self.file_name)
|
|
|
|
|
|
if __name__=="__main__":
|
|
unittest.main()
|