diff options
Diffstat (limited to 'Lib/test/test_posixpath.py')
| -rw-r--r-- | Lib/test/test_posixpath.py | 57 |
1 files changed, 56 insertions, 1 deletions
diff --git a/Lib/test/test_posixpath.py b/Lib/test/test_posixpath.py index e18d01f4635..8d398ec0103 100644 --- a/Lib/test/test_posixpath.py +++ b/Lib/test/test_posixpath.py @@ -358,6 +358,19 @@ class PosixPathTest(unittest.TestCase): @unittest.skipUnless(hasattr(os, "symlink"), "Missing symlink implementation") @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) + + @unittest.skipUnless(hasattr(os, "symlink"), + "Missing symlink implementation") + @skip_if_ABSTFN_contains_backslash def test_realpath_relative(self): try: os.symlink(posixpath.relpath(ABSTFN+"1"), ABSTFN) @@ -370,7 +383,7 @@ class PosixPathTest(unittest.TestCase): @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. + # symlink loop in non-strict mode (default). try: os.symlink(ABSTFN, ABSTFN) self.assertEqual(realpath(ABSTFN), ABSTFN) @@ -410,6 +423,48 @@ class PosixPathTest(unittest.TestCase): @unittest.skipUnless(hasattr(os, "symlink"), "Missing symlink implementation") @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") + + @unittest.skipUnless(hasattr(os, "symlink"), + "Missing symlink implementation") + @skip_if_ABSTFN_contains_backslash def test_realpath_repeated_indirect_symlinks(self): # Issue #6975. try: |