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esphome/tests/integration/test_defer_stress.py
J. Nick Koston 71f78e3a81 fixes
2025-07-04 10:00:25 -05:00

77 lines
2.6 KiB
Python

"""Stress test for defer() thread safety with multiple threads."""
import asyncio
from pathlib import Path
from aioesphomeapi import UserService
import pytest
from .types import APIClientConnectedFactory, RunCompiledFunction
@pytest.mark.asyncio
async def test_defer_stress(
yaml_config: str,
run_compiled: RunCompiledFunction,
api_client_connected: APIClientConnectedFactory,
) -> None:
"""Test that defer() doesn't crash when called rapidly from multiple threads."""
# Get the absolute path to the external components directory
external_components_path = str(
Path(__file__).parent / "fixtures" / "external_components"
)
# Replace the placeholder in the YAML config with the actual path
yaml_config = yaml_config.replace(
"EXTERNAL_COMPONENT_PATH", external_components_path
)
# Create a future to signal test completion
loop = asyncio.get_event_loop()
test_complete_future: asyncio.Future[bool] = loop.create_future()
def on_log_line(line: str) -> None:
if not test_complete_future.done():
if "✓ Stress test PASSED" in line:
test_complete_future.set_result(True)
elif "✗ Stress test FAILED" in line:
test_complete_future.set_result(False)
async with (
run_compiled(yaml_config, line_callback=on_log_line),
api_client_connected() as client,
):
# Verify we can connect
device_info = await client.device_info()
assert device_info is not None
assert device_info.name == "defer-stress-test"
# List entities and services
entity_info, services = await asyncio.wait_for(
client.list_entities_services(), timeout=5.0
)
# Find our test service
run_stress_test_service: UserService | None = None
for service in services:
if service.name == "run_stress_test":
run_stress_test_service = service
break
assert run_stress_test_service is not None, "run_stress_test service not found"
# Call the run_stress_test service to start the test
client.execute_service(run_stress_test_service, {})
# Wait for test completion
try:
test_passed = await asyncio.wait_for(test_complete_future, timeout=15.0)
except asyncio.TimeoutError:
pytest.fail("Stress test did not complete within 15 seconds")
# Verify the test passed
assert test_passed is True, (
"Stress test failed - defer() crashed or failed under thread pressure"
)