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from collections.abc import Callable
from unittest.mock import AsyncMock, MagicMock
from roborock.mqtt.health_manager import HealthManager
from roborock.protocols.v1_protocol import LocalProtocolVersion
from roborock.roborock_message import RoborockMessage
class FakeChannel:
"""A fake channel that handles publish and subscribe calls."""
def __init__(self):
"""Initialize the fake channel."""
self.subscribers: list[Callable[[RoborockMessage], None]] = []
self.published_messages: list[RoborockMessage] = []
self.response_queue: list[RoborockMessage] = []
self._is_connected = False
self.publish_side_effect: Exception | None = None
self.publish = AsyncMock(side_effect=self._publish)
self.subscribe = AsyncMock(side_effect=self._subscribe)
self.connect = AsyncMock(side_effect=self._connect)
self.close = MagicMock(side_effect=self._close)
self.protocol_version = LocalProtocolVersion.V1
self.restart = AsyncMock()
self.health_manager = HealthManager(self.restart)
async def _connect(self) -> None:
self._is_connected = True
def _close(self) -> None:
self._is_connected = False
@property
def is_connected(self) -> bool:
"""Return true if connected."""
return self._is_connected
async def _publish(self, message: RoborockMessage) -> None:
"""Simulate publishing a message and triggering a response."""
self.published_messages.append(message)
if self.publish_side_effect:
raise self.publish_side_effect
# When a message is published, simulate a response
if self.response_queue:
response = self.response_queue.pop(0)
# Give a chance for the subscriber to be registered
for subscriber in list(self.subscribers):
subscriber(response)
async def _subscribe(self, callback: Callable[[RoborockMessage], None]) -> Callable[[], None]:
"""Simulate subscribing to messages."""
self.subscribers.append(callback)
return lambda: self.subscribers.remove(callback)
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