def test_getFilenameOnlyLocal(self):
        """
        Returns empty value for remaining data when line contains
        only a filename.
        """
        result = self.client._getFilename('only-local')

        self.assertEqual(('only-local', ''), result)

        Returns empty value for remaining data when line contains
        only a filename.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/conch/test/test_cftp.py