aioesphomeapi/tests/test_connection.py

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import asyncio
import socket
from typing import Optional
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import pytest
from mock import MagicMock, patch
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from aioesphomeapi._frame_helper import APIPlaintextFrameHelper
from aioesphomeapi.api_pb2 import DeviceInfoResponse, HelloResponse
from aioesphomeapi.connection import APIConnection, ConnectionParams, ConnectionState
from aioesphomeapi.core import RequiresEncryptionAPIError
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from aioesphomeapi.host_resolver import AddrInfo, IPv4Sockaddr
@pytest.fixture
def connection_params() -> ConnectionParams:
return ConnectionParams(
address="fake.address",
port=6052,
password=None,
client_info="Tests client",
keepalive=15.0,
zeroconf_instance=None,
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noise_psk=None,
expected_name=None,
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)
@pytest.fixture
def conn(connection_params) -> APIConnection:
async def on_stop(expected_disconnect: bool) -> None:
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pass
return APIConnection(connection_params, on_stop)
@pytest.fixture
def resolve_host():
with patch("aioesphomeapi.host_resolver.async_resolve_host") as func:
func.return_value = AddrInfo(
family=socket.AF_INET,
type=socket.SOCK_STREAM,
proto=socket.IPPROTO_TCP,
sockaddr=IPv4Sockaddr("10.0.0.512", 6052),
)
yield func
@pytest.fixture
def socket_socket():
with patch("socket.socket") as func:
yield func
def _get_mock_protocol(conn: APIConnection):
protocol = APIPlaintextFrameHelper(
on_pkt=conn._process_packet,
on_error=conn._report_fatal_error,
client_info="mock",
log_name="mock_device",
)
transport = MagicMock()
protocol.connection_made(transport)
return protocol
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@pytest.mark.asyncio
async def test_connect(conn, resolve_host, socket_socket, event_loop):
loop = asyncio.get_event_loop()
protocol: Optional[APIPlaintextFrameHelper] = None
transport = MagicMock()
connected = asyncio.Event()
def _create_mock_transport_protocol(create_func, **kwargs):
nonlocal protocol
protocol = create_func()
protocol.connection_made(transport)
connected.set()
return transport, protocol
with patch.object(event_loop, "sock_connect"), patch.object(
loop, "create_connection", side_effect=_create_mock_transport_protocol
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):
connect_task = asyncio.create_task(conn.connect(login=False))
await connected.wait()
protocol.data_received(
bytes.fromhex(
"003602080110091a216d6173746572617672656c61792028657"
"370686f6d652076323032332e362e3329220d6d617374657261"
"7672656c6179"
)
)
protocol.data_received(
bytes.fromhex(
"005b0a120d6d6173746572617672656c61791a1130383a33413a"
"46323a33453a35453a36302208323032332e362e332a154a756e"
"20323820323032332c2031383a31323a3236320965737033322d"
"65766250506209457370726573736966"
)
)
await connect_task
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assert conn.is_connected
@pytest.mark.asyncio
async def test_requires_encryption_propagates(conn: APIConnection):
loop = asyncio.get_event_loop()
protocol = _get_mock_protocol(conn)
with patch.object(loop, "create_connection") as create_connection:
create_connection.return_value = (MagicMock(), protocol)
conn._socket = MagicMock()
await conn._connect_init_frame_helper()
loop.call_soon(conn._frame_helper._ready_future.set_result, None)
conn._connection_state = ConnectionState.CONNECTED
with pytest.raises(RequiresEncryptionAPIError):
task = asyncio.create_task(conn._connect_hello())
await asyncio.sleep(0)
protocol.data_received(b"\x01\x00\x00")
await task
@pytest.mark.asyncio
async def test_plaintext_connection(conn: APIConnection, resolve_host, socket_socket):
"""Test that a plaintext connection works."""
loop = asyncio.get_event_loop()
protocol = _get_mock_protocol(conn)
messages = []
protocol: Optional[APIPlaintextFrameHelper] = None
transport = MagicMock()
connected = asyncio.Event()
def _create_mock_transport_protocol(create_func, **kwargs):
nonlocal protocol
protocol = create_func()
protocol.connection_made(transport)
connected.set()
return transport, protocol
def on_msg(msg):
messages.append(msg)
remove = conn.add_message_callback(on_msg, {HelloResponse, DeviceInfoResponse})
transport = MagicMock()
with patch.object(
loop, "create_connection", side_effect=_create_mock_transport_protocol
):
connect_task = asyncio.create_task(conn.connect(login=False))
await connected.wait()
protocol.data_received(
b'\x00@\x02\x08\x01\x10\x07\x1a(m5stackatomproxy (esphome v2023.1.0-dev)"\x10m'
)
protocol.data_received(b"5stackatomproxy")
protocol.data_received(b"\x00\x00$")
protocol.data_received(b"\x00\x00\x04")
protocol.data_received(
b'\x00e\n\x12\x10m5stackatomproxy\x1a\x11E8:9F:6D:0A:68:E0"\x0c2023.1.0-d'
)
protocol.data_received(
b"ev*\x15Jan 7 2023, 13:19:532\x0cm5stack-atomX\x03b\tEspressif"
)
await asyncio.sleep(0)
await connect_task
assert conn.is_connected
assert len(messages) == 2
assert isinstance(messages[0], HelloResponse)
assert isinstance(messages[1], DeviceInfoResponse)
assert messages[1].name == "m5stackatomproxy"
remove()
await conn.force_disconnect()
await asyncio.sleep(0)