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import zlib
import pytest
import Pyro5.protocol
import Pyro5.errors
import Pyro5.protocol
import Pyro5.serializers
import Pyro5.errors
from Pyro5.protocol import SendingMessage, ReceivingMessage
from support import ConnectionMock
class TestSendingMessage:
def test_create(self):
msg = Pyro5.protocol.SendingMessage(Pyro5.protocol.MSG_INVOKE, 0, 42, 99, b"abcdefg")
assert len(msg.data) > 1
def test_annotations_errors(self):
with pytest.raises(Pyro5.errors.ProtocolError):
Pyro5.protocol.SendingMessage(Pyro5.protocol.MSG_INVOKE, 0, 42, 99, b"abcdefg", annotations={"zxcv": "no_bytes"})
with pytest.raises(Pyro5.errors.ProtocolError):
Pyro5.protocol.SendingMessage(Pyro5.protocol.MSG_INVOKE, 0, 42, 99, b"abcdefg", annotations={"err": b"bytes"})
def test_annotations(self):
msg = Pyro5.protocol.SendingMessage(Pyro5.protocol.MSG_INVOKE, 0, 42, 99, b"abcdefg", annotations={"zxcv": b"bytes"})
assert len(msg.data) > 1
def test_compression(self):
compr_orig = Pyro5.config.COMPRESSION
try:
Pyro5.config.COMPRESSION = False
msg_uncompressed = Pyro5.protocol.SendingMessage(Pyro5.protocol.MSG_INVOKE, 0, 42, 99, b"abcdefg"*100)
Pyro5.config.COMPRESSION = True
msg_compressed = Pyro5.protocol.SendingMessage(Pyro5.protocol.MSG_INVOKE, 0, 42, 99, b"abcdefg"*100)
msg_notcompressed = Pyro5.protocol.SendingMessage(Pyro5.protocol.MSG_INVOKE, 0, 42, 99, b"abcdefg")
assert not (msg_uncompressed.flags & Pyro5.protocol.FLAGS_COMPRESSED)
assert not (msg_notcompressed.flags & Pyro5.protocol.FLAGS_COMPRESSED)
assert msg_compressed.flags & Pyro5.protocol.FLAGS_COMPRESSED
assert len(msg_uncompressed.data) > len(msg_compressed.data)
finally:
Pyro5.config.COMPRESSION = compr_orig
class TestReceivingMessage:
def createmessage(self, compression=False):
compr_orig = Pyro5.config.COMPRESSION
Pyro5.config.COMPRESSION = compression
annotations = {
"TEST": b"0123456789qwertyu",
"UNIT": b"aaaaaaa"
}
msg = Pyro5.protocol.SendingMessage(Pyro5.protocol.MSG_INVOKE, 255, 42, 99, b"abcdefg"*100, annotations)
Pyro5.config.COMPRESSION = compr_orig
return msg
def test_validate(self):
with pytest.raises(ValueError):
Pyro5.protocol.ReceivingMessage.validate(b"abc")
with pytest.raises(Pyro5.errors.ProtocolError):
Pyro5.protocol.ReceivingMessage.validate(b"ZXCV")
Pyro5.protocol.ReceivingMessage.validate(b"PYRO")
with pytest.raises(Pyro5.errors.ProtocolError):
Pyro5.protocol.ReceivingMessage.validate(b"PYRO__")
msg = self.createmessage()
msg.data = bytearray(msg.data)
Pyro5.protocol.ReceivingMessage.validate(msg.data)
orig_magic = msg.data[38]
msg.data[38] = 0xff # kill the magic number
with pytest.raises(Pyro5.errors.ProtocolError) as x:
Pyro5.protocol.ReceivingMessage.validate(msg.data)
assert "magic number" in str(x.value)
msg.data[38] = orig_magic # repair the magic number
msg.data[5] = 0xff # invalid protocol version
with pytest.raises(Pyro5.errors.ProtocolError) as x:
Pyro5.protocol.ReceivingMessage.validate(msg.data)
assert "protocol version" in str(x.value)
def test_create_nopayload(self):
send_msg = self.createmessage(compression=True)
header = send_msg.data[:Pyro5.protocol._header_size]
msg = Pyro5.protocol.ReceivingMessage(header)
assert msg.data is None
assert msg.type == Pyro5.protocol.MSG_INVOKE
assert msg.flags == 255
assert msg.seq == 42
assert msg.serializer_id == 99
assert len(msg.annotations) == 0
def test_create_payload(self):
send_msg = self.createmessage(compression=True)
header = send_msg.data[:Pyro5.protocol._header_size]
payload = send_msg.data[Pyro5.protocol._header_size:]
msg = Pyro5.protocol.ReceivingMessage(header, payload)
assert len(msg.data) == 700
assert msg.flags == 255 & ~Pyro5.protocol.FLAGS_COMPRESSED
assert len(msg.annotations) == 2
assert msg.annotations["TEST"] == b"0123456789qwertyu"
assert msg.annotations["UNIT"] == b"aaaaaaa"
assert type(msg.data) is bytes
def test_create_payload_memview(self):
send_msg = self.createmessage(compression=False)
header = send_msg.data[:Pyro5.protocol._header_size]
payload = send_msg.data[Pyro5.protocol._header_size:]
msg = Pyro5.protocol.ReceivingMessage(header, payload)
assert type(msg.data) is memoryview
class TestProtocolMessages:
def testMessage(self):
SendingMessage(99, 0, 0, Pyro5.serializers.SerpentSerializer.serializer_id, b"") # doesn't check msg type here
with pytest.raises(TypeError):
ReceivingMessage("FOOBAR")
with pytest.raises(Pyro5.errors.ProtocolError):
ReceivingMessage(b"FOOBARFOOBARFOOBARFOOBARFOOBARFOOBAR1234")
msg = SendingMessage(Pyro5.protocol.MSG_CONNECT, 0, 0, Pyro5.serializers.SerpentSerializer.serializer_id, b"hello")
assert msg.type == Pyro5.protocol.MSG_CONNECT
assert len(msg.data) == Pyro5.protocol._header_size + 5
msg = ReceivingMessage(msg.data[:Pyro5.protocol._header_size], msg.data[Pyro5.protocol._header_size:])
assert msg.type == Pyro5.protocol.MSG_CONNECT
assert msg.data == b"hello"
msg = SendingMessage(Pyro5.protocol.MSG_RESULT, 0, 0, Pyro5.serializers.SerpentSerializer.serializer_id, b"")
msg = ReceivingMessage(msg.data[:Pyro5.protocol._header_size], msg.data[Pyro5.protocol._header_size:])
assert msg.type == Pyro5.protocol.MSG_RESULT
assert len(msg.data) == 0
msg = SendingMessage(255, 0, 255, Pyro5.serializers.SerpentSerializer.serializer_id, b"").data
assert len(msg) == 40
msg = SendingMessage(1, 0, 255, Pyro5.serializers.SerpentSerializer.serializer_id, b"").data
assert len(msg) == 40
data = b"x" * 1000
Pyro5.config.COMPRESSION = True
msg = SendingMessage(Pyro5.protocol.MSG_INVOKE, 0, 0, Pyro5.serializers.SerpentSerializer.serializer_id, data).data
assert len(msg) < len(data)
Pyro5.config.COMPRESSION = False
def testAnnotationsIdLength4(self):
with pytest.raises(Pyro5.errors.ProtocolError):
SendingMessage(Pyro5.protocol.MSG_CONNECT, 0, 0, Pyro5.serializers.SerpentSerializer.serializer_id, b"hello", {"TOOLONG": b"abcde"})
with pytest.raises(Pyro5.errors.ProtocolError):
SendingMessage(Pyro5.protocol.MSG_CONNECT, 0, 0, Pyro5.serializers.SerpentSerializer.serializer_id, b"hello", {"QQ": b"abcde"})
def testRecvAnnotations(self):
annotations = {"TEST": b"abcde"}
msg = SendingMessage(Pyro5.protocol.MSG_CONNECT, 0, 0, Pyro5.serializers.SerpentSerializer.serializer_id, b"hello", annotations)
c = ConnectionMock()
c.send(msg.data)
msg = Pyro5.protocol.recv_stub(c)
assert len(c.received) == 0
assert msg.data == b"hello"
assert msg.annotations["TEST"] == b"abcde"
def testCompression(self):
data = b"The quick brown fox jumps over the lazy dog."*10
compressed_data = zlib.compress(data)
flags = Pyro5.protocol.FLAGS_COMPRESSED
msg = SendingMessage(Pyro5.protocol.MSG_INVOKE, 42, flags, 1, compressed_data)
assert msg.data != data
assert len(msg.data) < len(data)
def testRecvNoAnnotations(self):
msg = SendingMessage(Pyro5.protocol.MSG_CONNECT, 42, 0, 0, b"hello")
c = ConnectionMock()
c.send(msg.data)
msg = Pyro5.protocol.recv_stub(c)
assert len(c.received) == 0
assert msg.data_size == 5
assert msg.data == b"hello"
assert msg.annotations_size == 0
assert len(msg.annotations) == 0
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