Method test_mode_win32

Lib/test/test_tempfile.py:817–841

(self)

    @unittest.skipUnless(os.name == "nt", "Only on Windows.")
    def test_mode_win32(self):
        # Use icacls.exe to extract the users with some level of access
        # Main thing we are testing is that the BUILTIN\Users group has
        # no access. The exact ACL is going to vary based on which user
        # is running the test.
        dir = self.do_create()
        try:
            out = subprocess.check_output(["icacls.exe", dir], encoding="oem").casefold()
        finally:
            os.rmdir(dir)

        dir = dir.casefold()
        users = set()
        found_user = False
        for line in out.strip().splitlines():
            acl = None
            # First line of result includes our directory
            if line.startswith(dir):
                acl = line.removeprefix(dir).strip()
            elif line and line[:1].isspace():
                acl = line.strip()
            if acl:
                users.add(acl.partition(":")[0])

        self.assertNotIn(r"BUILTIN\Users".casefold(), users)

    def test_collision_with_existing_file(self):
        # mkdtemp tries another name when a file with