2848f8648d
When we hit the absolute limit, we would log the last messages as it was key to finding out the source. We now do the same when we hit the peak limit
283 lines
9 KiB
Python
283 lines
9 KiB
Python
"""Test Websocket API http module."""
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import asyncio
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from datetime import timedelta
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from typing import Any, cast
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from unittest.mock import patch
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from aiohttp import ServerDisconnectedError, WSMsgType, web
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import pytest
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from homeassistant.components.websocket_api import (
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async_register_command,
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const,
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http,
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websocket_command,
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)
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from homeassistant.components.websocket_api.connection import ActiveConnection
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from homeassistant.core import HomeAssistant, callback
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from homeassistant.util.dt import utcnow
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from tests.common import async_fire_time_changed
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from tests.typing import WebSocketGenerator
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@pytest.fixture
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def mock_low_queue():
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"""Mock a low queue."""
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with patch("homeassistant.components.websocket_api.http.MAX_PENDING_MSG", 1):
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yield
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@pytest.fixture
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def mock_low_peak():
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"""Mock a low queue."""
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with patch("homeassistant.components.websocket_api.http.PENDING_MSG_PEAK", 5):
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yield
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async def test_pending_msg_overflow(
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hass: HomeAssistant, mock_low_queue, websocket_client
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) -> None:
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"""Test get_panels command."""
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for idx in range(10):
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await websocket_client.send_json({"id": idx + 1, "type": "ping"})
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msg = await websocket_client.receive()
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assert msg.type == WSMsgType.close
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async def test_pending_msg_peak(
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hass: HomeAssistant,
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mock_low_peak,
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hass_ws_client: WebSocketGenerator,
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caplog: pytest.LogCaptureFixture,
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) -> None:
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"""Test pending msg overflow command."""
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orig_handler = http.WebSocketHandler
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setup_instance: http.WebSocketHandler | None = None
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def instantiate_handler(*args):
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nonlocal setup_instance
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setup_instance = orig_handler(*args)
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return setup_instance
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with patch(
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"homeassistant.components.websocket_api.http.WebSocketHandler",
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instantiate_handler,
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):
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websocket_client = await hass_ws_client()
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instance: http.WebSocketHandler = cast(http.WebSocketHandler, setup_instance)
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# Fill the queue past the allowed peak
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for _ in range(10):
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instance._send_message({"overload": "message"})
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async_fire_time_changed(
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hass, utcnow() + timedelta(seconds=const.PENDING_MSG_PEAK_TIME + 1)
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)
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msg = await websocket_client.receive()
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assert msg.type == WSMsgType.close
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assert "Client unable to keep up with pending messages" in caplog.text
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assert "Stayed over 5 for 5 seconds" in caplog.text
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assert "overload" in caplog.text
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async def test_pending_msg_peak_recovery(
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hass: HomeAssistant,
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mock_low_peak,
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hass_ws_client: WebSocketGenerator,
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caplog: pytest.LogCaptureFixture,
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) -> None:
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"""Test pending msg nears the peak but recovers."""
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orig_handler = http.WebSocketHandler
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setup_instance: http.WebSocketHandler | None = None
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def instantiate_handler(*args):
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nonlocal setup_instance
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setup_instance = orig_handler(*args)
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return setup_instance
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with patch(
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"homeassistant.components.websocket_api.http.WebSocketHandler",
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instantiate_handler,
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):
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websocket_client = await hass_ws_client()
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instance: http.WebSocketHandler = cast(http.WebSocketHandler, setup_instance)
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# Make sure the call later is started
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for _ in range(10):
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instance._send_message({})
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for _ in range(10):
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msg = await websocket_client.receive()
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assert msg.type == WSMsgType.TEXT
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instance._send_message({})
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msg = await websocket_client.receive()
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assert msg.type == WSMsgType.TEXT
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# Cleanly shutdown
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instance._send_message({})
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instance._handle_task.cancel()
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msg = await websocket_client.receive()
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assert msg.type == WSMsgType.TEXT
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msg = await websocket_client.receive()
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assert msg.type == WSMsgType.close
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assert "Client unable to keep up with pending messages" not in caplog.text
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async def test_pending_msg_peak_but_does_not_overflow(
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hass: HomeAssistant,
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mock_low_peak,
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hass_ws_client: WebSocketGenerator,
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caplog: pytest.LogCaptureFixture,
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) -> None:
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"""Test pending msg hits the low peak but recovers and does not overflow."""
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orig_handler = http.WebSocketHandler
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setup_instance: http.WebSocketHandler | None = None
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def instantiate_handler(*args):
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nonlocal setup_instance
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setup_instance = orig_handler(*args)
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return setup_instance
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with patch(
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"homeassistant.components.websocket_api.http.WebSocketHandler",
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instantiate_handler,
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):
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websocket_client = await hass_ws_client()
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instance: http.WebSocketHandler = cast(http.WebSocketHandler, setup_instance)
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# Kill writer task and fill queue past peak
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for _ in range(5):
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instance._message_queue.append(None)
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# Trigger the peak check
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instance._send_message({})
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# Clear the queue
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instance._message_queue.clear()
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# Trigger the peak clear
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instance._send_message({})
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async_fire_time_changed(
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hass, utcnow() + timedelta(seconds=const.PENDING_MSG_PEAK_TIME + 1)
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)
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msg = await websocket_client.receive()
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assert msg.type == WSMsgType.TEXT
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assert "Client unable to keep up with pending messages" not in caplog.text
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async def test_non_json_message(
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hass: HomeAssistant, websocket_client, caplog: pytest.LogCaptureFixture
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) -> None:
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"""Test trying to serialize non JSON objects."""
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bad_data = object()
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hass.states.async_set("test_domain.entity", "testing", {"bad": bad_data})
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await websocket_client.send_json({"id": 5, "type": "get_states"})
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msg = await websocket_client.receive_json()
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assert msg["id"] == 5
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assert msg["type"] == const.TYPE_RESULT
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assert msg["success"]
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assert msg["result"] == []
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assert (
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f"Unable to serialize to JSON. Bad data found at $.result[0](State: test_domain.entity).attributes.bad={bad_data}(<class 'object'>"
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in caplog.text
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)
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async def test_prepare_fail(
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hass: HomeAssistant,
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hass_ws_client: WebSocketGenerator,
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caplog: pytest.LogCaptureFixture,
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) -> None:
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"""Test failing to prepare."""
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with patch(
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"homeassistant.components.websocket_api.http.web.WebSocketResponse.prepare",
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side_effect=(asyncio.TimeoutError, web.WebSocketResponse.prepare),
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), pytest.raises(ServerDisconnectedError):
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await hass_ws_client(hass)
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assert "Timeout preparing request" in caplog.text
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async def test_binary_message(
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hass: HomeAssistant, websocket_client, caplog: pytest.LogCaptureFixture
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) -> None:
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"""Test binary messages."""
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binary_payloads = {
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104: ([], asyncio.Future()),
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105: ([], asyncio.Future()),
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}
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# Register a handler
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@callback
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@websocket_command(
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{
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"type": "get_binary_message_handler",
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}
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)
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def get_binary_message_handler(
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hass: HomeAssistant, connection: ActiveConnection, msg: dict[str, Any]
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):
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unsub = None
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@callback
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def binary_message_handler(
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hass: HomeAssistant, connection: ActiveConnection, payload: bytes
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):
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nonlocal unsub
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if msg["id"] == 103:
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raise ValueError("Boom")
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if payload:
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binary_payloads[msg["id"]][0].append(payload)
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else:
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binary_payloads[msg["id"]][1].set_result(
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b"".join(binary_payloads[msg["id"]][0])
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)
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unsub()
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prefix, unsub = connection.async_register_binary_handler(binary_message_handler)
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connection.send_result(msg["id"], {"prefix": prefix})
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async_register_command(hass, get_binary_message_handler)
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# Register multiple binary handlers
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for i in range(101, 106):
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await websocket_client.send_json(
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{"id": i, "type": "get_binary_message_handler"}
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)
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result = await websocket_client.receive_json()
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assert result["id"] == i
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assert result["type"] == const.TYPE_RESULT
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assert result["success"]
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assert result["result"]["prefix"] == i - 100
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# Send message to binary
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await websocket_client.send_bytes((0).to_bytes(1, "big") + b"test0")
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await websocket_client.send_bytes((3).to_bytes(1, "big") + b"test3")
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await websocket_client.send_bytes((3).to_bytes(1, "big") + b"test3")
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await websocket_client.send_bytes((10).to_bytes(1, "big") + b"test10")
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await websocket_client.send_bytes((4).to_bytes(1, "big") + b"test4")
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await websocket_client.send_bytes((4).to_bytes(1, "big") + b"")
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await websocket_client.send_bytes((5).to_bytes(1, "big") + b"test5")
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await websocket_client.send_bytes((5).to_bytes(1, "big") + b"test5-2")
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await websocket_client.send_bytes((5).to_bytes(1, "big") + b"")
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# Verify received
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assert await binary_payloads[104][1] == b"test4"
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assert await binary_payloads[105][1] == b"test5test5-2"
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assert "Error handling binary message" in caplog.text
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assert "Received binary message for non-existing handler 0" in caplog.text
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assert "Received binary message for non-existing handler 3" in caplog.text
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assert "Received binary message for non-existing handler 10" in caplog.text
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