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esphome/tests/integration/test_host_mode_many_entities.py

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Python

"""Integration test for many entities to test API batching."""
from __future__ import annotations
import asyncio
from aioesphomeapi import EntityState
import pytest
from .types import APIClientConnectedFactory, RunCompiledFunction
@pytest.mark.asyncio
async def test_host_mode_many_entities(
yaml_config: str,
run_compiled: RunCompiledFunction,
api_client_connected: APIClientConnectedFactory,
) -> None:
"""Test API batching with many entities of different types."""
# Write, compile and run the ESPHome device, then connect to API
loop = asyncio.get_running_loop()
async with run_compiled(yaml_config), api_client_connected() as client:
# Subscribe to state changes
states: dict[int, EntityState] = {}
entity_count_future: asyncio.Future[int] = loop.create_future()
def on_state(state: EntityState) -> None:
states[state.key] = state
# When we have received states from a good number of entities, resolve the future
if len(states) >= 50 and not entity_count_future.done():
entity_count_future.set_result(len(states))
client.subscribe_states(on_state)
# Wait for states from at least 50 entities with timeout
try:
entity_count = await asyncio.wait_for(entity_count_future, timeout=10.0)
except asyncio.TimeoutError:
pytest.fail(
f"Did not receive states from at least 50 entities within 10 seconds. "
f"Received {len(states)} states: {list(states.keys())}"
)
# Verify we received a good number of entity states
assert entity_count >= 50, f"Expected at least 50 entities, got {entity_count}"
assert len(states) >= 50, f"Expected at least 50 states, got {len(states)}"
# Verify we have different entity types by checking some expected values
sensor_states = [
s
for s in states.values()
if hasattr(s, "state") and isinstance(s.state, float)
]
assert len(sensor_states) >= 50, (
f"Expected at least 50 sensor states, got {len(sensor_states)}"
)