265 lines
8.0 KiB
Python
265 lines
8.0 KiB
Python
import json
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from asyncio import ensure_future, gather, Event
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import pytest
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from nacl.signing import SigningKey
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from secret_handshake.network import SHSDuplexStream
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from ssb.packet_stream import PacketStream, PSMessageType
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async def _collect_messages(generator):
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results = []
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async for msg in generator:
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results.append(msg)
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return results
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MSG_BODY_1 = (b'{"previous":"%KTGP6W8vF80McRAZHYDWuKOD0KlNyKSq6Gb42iuV7Iw=.sha256","author":"@1+Iwm79DKvVBqYKFkhT6fWRbA'
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b'VvNNVH4F2BSxwhYmx8=.ed25519","sequence":116,"timestamp":1496696699331,"hash":"sha256","content":{"type"'
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b':"post","channel":"crypto","text":"Does anybody know any good resources (e.g. books) to learn cryptogra'
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b'phy? I\'m not speaking of basic concepts (e.g. what\'s a private key) but the actual mathematics behind'
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b' the whole thing.\\nI have a copy of the \\"Handbook of Applied Cryptography\\" on my bookshelf but I f'
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b'ound it too long/hard to follow. Are there any better alternatives?","mentions":[]},"signature":"hqKePb'
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b'bTXWxEi1njDnOWFsL0M0AoNoWyBFgNE6KXj//DThepaZSy9vRbygDHX5uNmCdyOrsQrwZsZhmUYKwtDQ==.sig.ed25519"}')
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MSG_BODY_2 = (b'{"previous":"%iQRhPyqmNLpGaO1Tpm1I22jqnUEwRwkCTDbwAGtM+lY=.sha256","author":"@1+Iwm79DKvVBqYKFkhT6fWRbA'
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b'VvNNVH4F2BSxwhYmx8=.ed25519","sequence":103,"timestamp":1496674211806,"hash":"sha256","content":{"type"'
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b':"post","channel":"git-ssb","text":"Is it only me or `git.scuttlebot.io` is timing out?\\n\\nE.g. try a'
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b'ccessing %vZCTqraoqKBKNZeATErXEtnoEr+wnT3p8tT+vL+29I4=.sha256","mentions":[{"link":"%vZCTqraoqKBKNZeATE'
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b'rXEtnoEr+wnT3p8tT+vL+29I4=.sha256"}]},"signature":"+i4U0HUGDDEyNoNr2NIROPnT3WQj3RuTaIhY5koWW8f0vwr4tZsY'
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b'mAkqqMwFWfP+eBIbc7DZ835er6r6h9CwAg==.sig.ed25519"}')
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class MockSHSSocket(SHSDuplexStream):
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def __init__(self, *args, **kwargs):
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super(MockSHSSocket, self).__init__()
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self.input = []
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self.output = []
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self.is_connected = False
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self._on_connect = []
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def on_connect(self, cb):
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self._on_connect.append(cb)
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async def read(self):
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if not self.input:
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raise StopAsyncIteration
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return self.input.pop(0)
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def write(self, data):
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self.output.append(data)
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def feed(self, input):
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self.input += input
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def get_output(self):
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while True:
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if not self.output:
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break
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yield self.output.pop(0)
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def disconnect(self):
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self.is_connected = False
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class MockSHSClient(MockSHSSocket):
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async def connect(self):
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self.is_connected = True
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for cb in self._on_connect:
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await cb()
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class MockSHSServer(MockSHSSocket):
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def listen(self):
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self.is_connected = True
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for cb in self._on_connect:
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ensure_future(cb())
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@pytest.fixture
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def ps_client(event_loop):
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return MockSHSClient()
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@pytest.fixture
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def ps_server(event_loop):
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return MockSHSServer()
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@pytest.mark.asyncio
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async def test_on_connect(ps_server):
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called = Event()
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async def _on_connect():
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called.set()
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ps_server.on_connect(_on_connect)
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ps_server.listen()
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await called.wait()
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assert ps_server.is_connected
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@pytest.mark.asyncio
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async def test_message_decoding(ps_client):
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await ps_client.connect()
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ps = PacketStream(ps_client)
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assert ps.is_connected
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ps_client.feed([
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b'\n\x00\x00\x00\x9a\x00\x00\x04\xfb',
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b'{"name":["createHistoryStream"],"args":[{"id":"@omgyp7Pnrw+Qm0I6T6Fh5VvnKmodMXwnxTIesW2DgMg=.ed25519",'
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b'"seq":10,"live":true,"keys":false}],"type":"source"}'
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])
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messages = (await _collect_messages(ps))
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assert len(messages) == 1
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assert messages[0].type == PSMessageType.JSON
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assert messages[0].body == {
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'name': ['createHistoryStream'],
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'args': [
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{
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'id': '@omgyp7Pnrw+Qm0I6T6Fh5VvnKmodMXwnxTIesW2DgMg=.ed25519',
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'seq': 10,
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'live': True,
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'keys': False
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}
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],
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'type': 'source'
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}
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@pytest.mark.asyncio
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async def test_message_encoding(ps_client):
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await ps_client.connect()
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ps = PacketStream(ps_client)
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assert ps.is_connected
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ps.send({
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'name': ['createHistoryStream'],
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'args': [{
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'id': "@1+Iwm79DKvVBqYKFkhT6fWRbAVvNNVH4F2BSxwhYmx8=.ed25519",
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'seq': 1,
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'live': False,
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'keys': False
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}],
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'type': 'source'
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}, stream=True)
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header, body = list(ps_client.get_output())
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assert header == b'\x0a\x00\x00\x00\xa6\x00\x00\x00\x01'
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assert json.loads(body.decode('utf-8')) == {
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"name": ["createHistoryStream"],
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"args": [
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{"id": "@1+Iwm79DKvVBqYKFkhT6fWRbAVvNNVH4F2BSxwhYmx8=.ed25519", "seq": 1, "live": False, "keys": False}
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],
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"type": "source"
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}
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@pytest.mark.asyncio
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async def test_message_stream(ps_client, mocker):
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await ps_client.connect()
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ps = PacketStream(ps_client)
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mocker.patch.object(ps, 'register_handler', wraps=ps.register_handler)
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assert ps.is_connected
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ps.send({
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'name': ['createHistoryStream'],
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'args': [{
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'id': "@1+Iwm79DKvVBqYKFkhT6fWRbAVvNNVH4F2BSxwhYmx8=.ed25519",
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'seq': 1,
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'live': False,
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'keys': False
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}],
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'type': 'source'
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}, stream=True)
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assert ps.req_counter == 2
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assert ps.register_handler.call_count == 1
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handler = list(ps._event_map.values())[0][1]
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mock_process = mocker.AsyncMock()
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mocker.patch.object(handler, 'process', mock_process)
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ps_client.feed([b'\n\x00\x00\x02\xc5\xff\xff\xff\xff', MSG_BODY_1])
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msg = await ps.read()
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assert mock_process.await_count == 1
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# responses have negative req
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assert msg.req == -1
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assert msg.body['previous'] == '%KTGP6W8vF80McRAZHYDWuKOD0KlNyKSq6Gb42iuV7Iw=.sha256'
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assert ps.req_counter == 2
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stream_handler = ps.send({
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'name': ['createHistoryStream'],
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'args': [{
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'id': "@1+Iwm79DKvVBqYKFkhT6fWRbAVvNNVH4F2BSxwhYmx8=.ed25519",
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'seq': 1,
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'live': False,
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'keys': False
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}],
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'type': 'source'
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}, stream=True)
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assert ps.req_counter == 3
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assert ps.register_handler.call_count == 2
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handler = list(ps._event_map.values())[1][1]
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mock_process = mocker.patch.object(handler, 'process', wraps=handler.process)
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ps_client.feed([b'\n\x00\x00\x02\xc5\xff\xff\xff\xfe', MSG_BODY_1,
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b'\x0e\x00\x00\x023\xff\xff\xff\xfe', MSG_BODY_2])
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# execute both message polling and response handling loops
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collected, handled = await gather(_collect_messages(ps), _collect_messages(stream_handler))
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# No messages collected, since they're all responses
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assert collected == []
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assert mock_process.call_count == 2
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for msg in handled:
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# responses have negative req
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assert msg.req == -2
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@pytest.mark.asyncio
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async def test_message_request(ps_server, mocker):
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ps_server.listen()
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ps = PacketStream(ps_server)
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mocker.patch.object(ps, 'register_handler', wraps=ps.register_handler)
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ps.send({
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'name': ['whoami'],
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'args': []
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})
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header, body = list(ps_server.get_output())
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assert header == b'\x02\x00\x00\x00 \x00\x00\x00\x01'
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assert json.loads(body.decode('utf-8')) == {"name": ["whoami"], "args": []}
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assert ps.req_counter == 2
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assert ps.register_handler.call_count == 1
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handler = list(ps._event_map.values())[0][1]
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mock_process = mocker.AsyncMock()
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mocker.patch.object(handler, 'process', mock_process)
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ps_server.feed([b'\x02\x00\x00\x00>\xff\xff\xff\xff',
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b'{"id":"@1+Iwm79DKvVBqYKFkhT6fWRbAVvNNVH4F2BSxwhYmx8=.ed25519"}'])
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msg = await ps.read()
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assert mock_process.await_count == 1
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# responses have negative req
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assert msg.req == -1
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assert msg.body['id'] == '@1+Iwm79DKvVBqYKFkhT6fWRbAVvNNVH4F2BSxwhYmx8=.ed25519'
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assert ps.req_counter == 2
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