test_shutil.py 文件源码

def test_on_error(self):
        self.errorState = 0
        os.mkdir(TESTFN)
        self.childpath = os.path.join(TESTFN, 'a')
        f = open(self.childpath, 'w')
        f.close()
        old_dir_mode = os.stat(TESTFN).st_mode
        old_child_mode = os.stat(self.childpath).st_mode
        # Make unwritable.
        os.chmod(self.childpath, stat.S_IREAD)
        os.chmod(TESTFN, stat.S_IREAD)

        shutil.rmtree(TESTFN, onerror=self.check_args_to_onerror)
        # Test whether onerror has actually been called.
        self.assertEqual(self.errorState, 2,
                            "Expected call to onerror function did not happen.")

        # Make writable again.
        os.chmod(TESTFN, old_dir_mode)
        os.chmod(self.childpath, old_child_mode)

        # Clean up.
        shutil.rmtree(TESTFN)