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esphome/tests/integration/test_scheduler_simultaneous_callbacks.py
J. Nick Koston f745135bdc Drop Python 3.10 support, require Python 3.11+ (#9522)
Co-authored-by: pre-commit-ci-lite[bot] <117423508+pre-commit-ci-lite[bot]@users.noreply.github.com>
2025-07-15 15:20:58 -10:00

124 lines
4.2 KiB
Python

"""Simultaneous callbacks test - schedule many callbacks for the same time from multiple threads."""
import asyncio
from pathlib import Path
import re
from aioesphomeapi import UserService
import pytest
from .types import APIClientConnectedFactory, RunCompiledFunction
@pytest.mark.asyncio
async def test_scheduler_simultaneous_callbacks(
yaml_config: str,
run_compiled: RunCompiledFunction,
api_client_connected: APIClientConnectedFactory,
) -> None:
"""Test scheduling many callbacks for the exact same time 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_running_loop()
test_complete_future: asyncio.Future[None] = loop.create_future()
# Track test progress
test_stats = {
"scheduled": 0,
"executed": 0,
"expected": 1000, # 10 threads * 100 callbacks
"errors": [],
}
def on_log_line(line: str) -> None:
# Track operations
if "Scheduled callback" in line:
test_stats["scheduled"] += 1
elif "Callback executed" in line:
test_stats["executed"] += 1
elif "ERROR" in line:
test_stats["errors"].append(line)
# Check for crash indicators
if any(
indicator in line.lower()
for indicator in ["segfault", "abort", "assertion", "heap corruption"]
):
if not test_complete_future.done():
test_complete_future.set_exception(Exception(f"Crash detected: {line}"))
return
# Check for completion with final count
if "Final executed count:" in line:
# Extract number from log line like: "[07:59:47][I][simultaneous_callbacks:093]: Simultaneous callbacks test complete. Final executed count: 1000"
match = re.search(r"Final executed count:\s*(\d+)", line)
if match:
test_stats["final_count"] = int(match.group(1))
# Check for completion
if (
"Simultaneous callbacks test complete" in line
and not test_complete_future.done()
):
test_complete_future.set_result(None)
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 == "sched-simul-callbacks-test"
# List entities and services
_, services = await asyncio.wait_for(
client.list_entities_services(), timeout=5.0
)
# Find our test service
run_test_service: UserService | None = None
for service in services:
if service.name == "run_simultaneous_callbacks_test":
run_test_service = service
break
assert run_test_service is not None, (
"run_simultaneous_callbacks_test service not found"
)
# Call the service to start the test
client.execute_service(run_test_service, {})
# Wait for test to complete
try:
await asyncio.wait_for(test_complete_future, timeout=30.0)
except TimeoutError:
pytest.fail(f"Simultaneous callbacks test timed out. Stats: {test_stats}")
# Check for any errors
assert len(test_stats["errors"]) == 0, (
f"Errors detected: {test_stats['errors']}"
)
# Verify all callbacks executed using the final count from C++
final_count = test_stats.get("final_count", 0)
assert final_count == test_stats["expected"], (
f"Expected {test_stats['expected']} callbacks, but only {final_count} executed"
)
# The final_count is the authoritative count from the C++ component
assert final_count == 1000, (
f"Expected 1000 executed callbacks but got {final_count}"
)