def _HandleSubprotocolAck(self, binary_data):
"""Handle Subprotocol ACK Frame."""
if not self._HasConnected():
self._StopConnectionAsync()
raise SubprotocolEarlyAckError('Received ACK before connected.')
bytes_confirmed, bytes_left = utils.ExtractSubprotocolAck(binary_data)
self._ConfirmData(bytes_confirmed)
if bytes_left:
log.debug('Discarding [%d] extra bytes after processing ACK',
len(bytes_left))
def testExtractSubprotocolAckIncompleteData(self, binary_data,
expected_error):
with self.AssertRaisesExceptionMatches(expected_error, ''):
utils.ExtractSubprotocolAck(binary_data)
def testExtractSubprotocolAck(self, binary_data, expected_data,
expected_bytes_left):
data, bytes_left = utils.ExtractSubprotocolAck(binary_data)
self.assertEqual(data, expected_data)
self.assertEqual(bytes_left, expected_bytes_left)
