def test_handle_stream_frame_over_max_stream_data(self):
client = QuicConnection(is_client=True)
server = QuicConnection(
is_client=False,
certificate=SERVER_CERTIFICATE,
private_key=SERVER_PRIVATE_KEY,
)
# perform handshake
client_transport, server_transport = create_transport(client, server)
# client receives STREAM frame
frame_type = QuicFrameType.STREAM_BASE | QuicStreamFlag.OFF
stream_id = 1
with self.assertRaises(QuicConnectionError) as cm:
client._handle_stream_frame(
tls.Epoch.ONE_RTT,
frame_type,
Buffer(
data=encode_uint_var(stream_id) +
encode_uint_var(client._local_max_stream_data_bidi_remote +
1)),
)
self.assertEqual(cm.exception.error_code,
QuicErrorCode.FLOW_CONTROL_ERROR)
self.assertEqual(cm.exception.frame_type, frame_type)
self.assertEqual(cm.exception.reason_phrase, "Over stream data limit")
def test_handle_stream_frame_wrong_initiator(self):
client = QuicConnection(is_client=True)
server = QuicConnection(
is_client=False,
certificate=SERVER_CERTIFICATE,
private_key=SERVER_PRIVATE_KEY,
)
# perform handshake
client_transport, server_transport = create_transport(client, server)
# client receives STREAM frame
with self.assertRaises(QuicConnectionError) as cm:
client._handle_stream_frame(tls.Epoch.ONE_RTT,
QuicFrameType.STREAM_BASE,
Buffer(data=b"\x00"))
self.assertEqual(cm.exception.error_code,
QuicErrorCode.STREAM_STATE_ERROR)
self.assertEqual(cm.exception.frame_type, QuicFrameType.STREAM_BASE)
self.assertEqual(cm.exception.reason_phrase, "Wrong stream initiator")
def test_handle_stream_frame_over_max_streams(self):
client = QuicConnection(is_client=True)
server = QuicConnection(
is_client=False,
certificate=SERVER_CERTIFICATE,
private_key=SERVER_PRIVATE_KEY,
)
# perform handshake
client_transport, server_transport = create_transport(client, server)
# client receives STREAM frame
with self.assertRaises(QuicConnectionError) as cm:
client._handle_stream_frame(
tls.Epoch.ONE_RTT,
QuicFrameType.STREAM_BASE,
Buffer(data=encode_uint_var(client._local_max_stream_data_uni *
4 + 3)),
)
self.assertEqual(cm.exception.error_code,
QuicErrorCode.STREAM_LIMIT_ERROR)
self.assertEqual(cm.exception.frame_type, QuicFrameType.STREAM_BASE)
self.assertEqual(cm.exception.reason_phrase, "Too many streams open")