aioesphomeapi/tests/test_connection.py

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import asyncio
import socket
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
)
protocol._connected_event.set()
protocol._transport = MagicMock()
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 = _get_mock_protocol(conn)
with patch.object(event_loop, "sock_connect"), patch.object(
loop, "create_connection", return_value=(MagicMock(), protocol)
), patch.object(conn, "_connect_start_ping"), patch.object(
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conn, "send_message_await_response", return_value=HelloResponse()
):
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await conn.connect(login=False)
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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, patch.object(
protocol, "perform_handshake"
):
create_connection.return_value = (MagicMock(), protocol)
await conn._connect_init_frame_helper()
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 = []
def on_msg(msg):
messages.append(msg)
remove = conn.add_message_callback(on_msg, {HelloResponse, DeviceInfoResponse})
transport = MagicMock()
with patch.object(conn, "_connect_hello"), patch.object(
loop, "sock_connect"
), patch.object(loop, "create_connection") as create_connection, patch.object(
protocol, "perform_handshake"
):
create_connection.return_value = (transport, protocol)
await conn.connect(login=False)
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)
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)