def test_getFilenameEmpty(self):
        """
        Returns empty value for both filename and remaining data.
        """
        result = self.client._getFilename('  ')

        self.assertEqual(('', ''), result)

        Returns empty value for both filename and remaining data.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/conch/test/test_cftp.py