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import asyncio
import logging
from asyncio import ensure_future
from unittest.mock import Mock
import pytest
from aiohttp import web
from homematicip.aio.connection import AsyncConnection
from homematicip.base.base_connection import HmipConnectionError
logging.basicConfig(level=logging.DEBUG)
async def connection_close_handler(request):
ws = web.WebSocketResponse()
await ws.prepare(request)
await asyncio.sleep(5)
return ws
class FakeServer:
"""Simple fake server serving at localhost.
To be used for testing various connection management situations like:
- unable to ping pong
- server connection close
- reconnect procedure.
- etc.
To be overridden by servers with a more specific task."""
def __init__(self):
self.app = None
self.runner = None
async def serve(self):
self.app = web.Application()
self._add_route()
self.runner = web.AppRunner(self.app)
await self.runner.setup()
site = web.TCPSite(self.runner, "127.0.0.1", 8123)
await site.start()
pass
def _add_route(self):
self.app.add_routes([web.get("/", self.handler)])
async def handler(self, request):
ws = web.WebSocketResponse()
await ws.prepare(request)
async for msg in ws:
await ws.send_str(msg)
return ws
class NoPingServer(FakeServer):
async def handler(self, request):
ws = web.WebSocketResponse(autoping=False)
await ws.prepare(request)
async for msg in ws:
pass
await asyncio.sleep(1)
return ws
class NoConnectionServer(FakeServer):
async def close_server(self, connection, delay=2):
await asyncio.sleep(delay)
await connection.close()
async def handler(self, request):
ws = web.WebSocketResponse()
ensure_future(self.close_server(ws))
await ws.prepare(request)
async for msg in ws:
pass
return ws
class SingleMessageServer(FakeServer):
async def handler(self, request):
ws = web.WebSocketResponse()
await ws.prepare(request)
await ws.send_bytes(b"this is a message")
await asyncio.sleep(3)
return ws
@pytest.fixture
async def simple_server():
simple = FakeServer()
await simple.serve()
yield
await simple.runner.cleanup()
@pytest.fixture
async def no_ping_server():
no_ping = NoPingServer()
await no_ping.serve()
yield
await no_ping.runner.cleanup()
@pytest.fixture
async def connection_lost_server():
no_connection = NoConnectionServer()
await no_connection.serve()
yield
await no_connection.runner.cleanup()
@pytest.fixture
async def single_message_server():
single_message = SingleMessageServer()
await single_message.serve()
yield
await single_message.runner.cleanup()
@pytest.fixture
async def client_connection(event_loop):
connection = AsyncConnection(event_loop)
connection._urlWebSocket = "ws://localhost:8123/"
connection.ping_timeout = 1
yield connection
await connection._websession.close()
async def ws_listen(connection, on_message=None):
if on_message is None:
on_message = Mock()
def on_error(*args, **kwargs):
pass
ws_loop = await connection.ws_connect(on_message=on_message, on_error=on_error)
return ws_loop
@pytest.mark.asyncio
async def test_ws_no_pong(no_ping_server, client_connection):
listener = await ws_listen(client_connection)
assert client_connection.ws_connected
with pytest.raises(HmipConnectionError):
await listener
assert client_connection.ping_pong_task.done()
assert client_connection.ws_reader_task.done()
assert not client_connection.ws_connected
res = listener.result
pass
@pytest.mark.asyncio
async def test_connection_lost(connection_lost_server, client_connection):
listener = await ws_listen(client_connection)
assert client_connection.ws_connected
with pytest.raises(HmipConnectionError):
await listener
assert client_connection.ping_pong_task.done()
assert client_connection.ws_reader_task.done()
assert not client_connection.ws_connected
@pytest.mark.asyncio
async def test_user_disconnect_and_reconnect(simple_server, client_connection):
async def close_connection():
await asyncio.sleep(2)
await client_connection.close_websocket_connection()
listener = await ws_listen(client_connection)
assert client_connection.ws_connected
ensure_future(close_connection())
with pytest.raises(HmipConnectionError):
await listener
assert client_connection.ping_pong_task.done()
assert client_connection.ws_reader_task.done()
assert not client_connection.ws_connected
# Now try to reconnect again.
listener = await ws_listen(client_connection)
assert client_connection.ws_connected
ensure_future(close_connection())
with pytest.raises(HmipConnectionError):
await listener
@pytest.mark.asyncio
async def test_ws_message(single_message_server, client_connection):
on_message_mock = Mock()
listener = await ws_listen(client_connection, on_message=on_message_mock)
assert client_connection.ws_connected
with pytest.raises(HmipConnectionError):
await listener
assert client_connection.ping_pong_task.done()
assert client_connection.ws_reader_task.done()
assert not client_connection.ws_connected
on_message_mock.assert_called_once_with(None, "this is a message")
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