def test_split_unicode_message(self):
text_payload = u"∂" * 64
payload = text_payload.encode("utf-8")
split = 64
decoder = fp.MessageDecoder()
frame = fp.Frame(
opcode=fp.Opcode.TEXT,
payload=payload[:split],
frame_finished=False,
message_finished=True,
)
frame = decoder.process_frame(frame)
assert frame.opcode is fp.Opcode.TEXT
assert frame.message_finished is False
assert frame.payload == text_payload[:(split // 3)]
frame = fp.Frame(
opcode=fp.Opcode.CONTINUATION,
payload=payload[split:],
frame_finished=True,
message_finished=True,
)
frame = decoder.process_frame(frame)
assert frame.opcode is fp.Opcode.TEXT
assert frame.message_finished is True
assert frame.payload == text_payload[(split // 3):]
def test_split_message(self) -> None:
text_payload = "x" * 65535
payload = text_payload.encode("utf-8")
split = 32777
decoder = fp.MessageDecoder()
frame = fp.Frame(
opcode=fp.Opcode.TEXT,
payload=payload[:split],
frame_finished=False,
message_finished=True,
)
frame = decoder.process_frame(frame)
assert frame.opcode is fp.Opcode.TEXT
assert frame.message_finished is False
assert frame.payload == text_payload[:split]
frame = fp.Frame(
opcode=fp.Opcode.CONTINUATION,
payload=payload[split:],
frame_finished=True,
message_finished=True,
)
frame = decoder.process_frame(frame)
assert frame.opcode is fp.Opcode.TEXT
assert frame.message_finished is True
assert frame.payload == text_payload[split:]
def send_frame_to_validator(self, payload, finished):
decoder = fp.MessageDecoder()
frame = fp.Frame(
opcode=fp.Opcode.TEXT,
payload=payload,
frame_finished=finished,
message_finished=True,
)
frame = decoder.process_frame(frame)
def test_start_with_continuation(self):
payload = b"x" * 23
decoder = fp.MessageDecoder()
frame = fp.Frame(
opcode=fp.Opcode.CONTINUATION,
payload=payload,
frame_finished=True,
message_finished=True,
)
with pytest.raises(fp.ParseFailed):
decoder.process_frame(frame)
def test_missing_continuation_2(self):
payload = b"x" * 23
decoder = fp.MessageDecoder()
decoder.opcode = fp.Opcode.TEXT
frame = fp.Frame(
opcode=fp.Opcode.BINARY,
payload=payload,
frame_finished=True,
message_finished=True,
)
with pytest.raises(fp.ParseFailed):
decoder.process_frame(frame)
def test_single_binary_frame(self):
payload = b"x" * 23
decoder = fp.MessageDecoder()
frame = fp.Frame(
opcode=fp.Opcode.BINARY,
payload=payload,
frame_finished=True,
message_finished=True,
)
frame = decoder.process_frame(frame)
assert frame.opcode is fp.Opcode.BINARY
assert frame.message_finished is True
assert frame.payload == payload
def test_bad_unicode(self):
payload = unhexlify("cebae1bdb9cf83cebcceb5eda080656469746564")
decoder = fp.MessageDecoder()
frame = fp.Frame(
opcode=fp.Opcode.TEXT,
payload=payload,
frame_finished=True,
message_finished=True,
)
with pytest.raises(fp.ParseFailed) as excinfo:
decoder.process_frame(frame)
assert excinfo.value.code is fp.CloseReason.INVALID_FRAME_PAYLOAD_DATA
def test_not_even_unicode(self) -> None:
payload = "fñörd".encode("iso-8859-1")
decoder = fp.MessageDecoder()
frame = fp.Frame(
opcode=fp.Opcode.TEXT,
payload=payload,
frame_finished=True,
message_finished=False,
)
with pytest.raises(fp.ParseFailed) as excinfo:
decoder.process_frame(frame)
assert excinfo.value.code is fp.CloseReason.INVALID_FRAME_PAYLOAD_DATA
def test_missing_continuation_1(self) -> None:
payload = b"x" * 23
decoder = fp.MessageDecoder()
decoder.opcode = fp.Opcode.BINARY
decoder.seen_first_frame = True # type: ignore
frame = fp.Frame(
opcode=fp.Opcode.BINARY,
payload=payload,
frame_finished=True,
message_finished=True,
)
with pytest.raises(fp.ParseFailed):
decoder.process_frame(frame)
def test_single_text_frame(self):
text_payload = u"fñör∂"
binary_payload = text_payload.encode("utf8")
decoder = fp.MessageDecoder()
frame = fp.Frame(
opcode=fp.Opcode.TEXT,
payload=binary_payload,
frame_finished=True,
message_finished=True,
)
frame = decoder.process_frame(frame)
assert frame.opcode is fp.Opcode.TEXT
assert frame.message_finished is True
assert frame.payload == text_payload
def test_incomplete_unicode(self) -> None:
payload = "fñör∂".encode("utf8")
payload = payload[:4]
decoder = fp.MessageDecoder()
frame = fp.Frame(
opcode=fp.Opcode.TEXT,
payload=payload,
frame_finished=True,
message_finished=True,
)
with pytest.raises(fp.ParseFailed) as excinfo:
decoder.process_frame(frame)
assert excinfo.value.code is fp.CloseReason.INVALID_FRAME_PAYLOAD_DATA
def test_follow_on_binary_frame(self) -> None:
payload = b"x" * 23
decoder = fp.MessageDecoder()
decoder.opcode = fp.Opcode.BINARY
frame = fp.Frame(
opcode=fp.Opcode.CONTINUATION,
payload=payload,
frame_finished=True,
message_finished=False,
)
frame = decoder.process_frame(frame)
assert frame.opcode is fp.Opcode.BINARY
assert frame.message_finished is False
assert frame.payload == payload
def test_final_text_frame(self) -> None:
text_payload = "fñör∂"
binary_payload = text_payload.encode("utf8")
decoder = fp.MessageDecoder()
decoder.opcode = fp.Opcode.TEXT
decoder.decoder = getincrementaldecoder("utf-8")()
assert decoder.decoder.decode(binary_payload[:-2]) == text_payload[:-1]
binary_payload = binary_payload[-2:]
text_payload = text_payload[-1:]
frame = fp.Frame(
opcode=fp.Opcode.CONTINUATION,
payload=binary_payload,
frame_finished=True,
message_finished=True,
)
frame = decoder.process_frame(frame)
assert frame.opcode is fp.Opcode.TEXT
assert frame.message_finished is True
assert frame.payload == text_payload
def test_follow_on_text_frame(self):
text_payload = u"fñör∂"
binary_payload = text_payload.encode("utf8")
decoder = fp.MessageDecoder()
decoder.opcode = fp.Opcode.TEXT
decoder.seen_first_frame = True
decoder.decoder = getincrementaldecoder("utf-8")()
assert decoder.decoder.decode(binary_payload[:4]) == text_payload[:2]
binary_payload = binary_payload[4:-2]
text_payload = text_payload[2:-1]
frame = fp.Frame(
opcode=fp.Opcode.CONTINUATION,
payload=binary_payload,
frame_finished=True,
message_finished=False,
)
frame = decoder.process_frame(frame)
assert frame.opcode is fp.Opcode.TEXT
assert frame.message_finished is False
assert frame.payload == text_payload
