1
0
mirror of https://github.com/esphome/esphome.git synced 2025-09-02 03:12:20 +01:00
Files
esphome/tests/integration/test_scheduler_removed_item_race.py
J. Nick Koston e06dbffe9f fix
2025-08-17 16:12:53 -04:00

103 lines
3.5 KiB
Python

"""Test for scheduler race condition where removed items still execute."""
import asyncio
import re
import pytest
from .types import APIClientConnectedFactory, RunCompiledFunction
@pytest.mark.asyncio
async def test_scheduler_removed_item_race(
yaml_config: str,
run_compiled: RunCompiledFunction,
api_client_connected: APIClientConnectedFactory,
) -> None:
"""Test that items marked for removal don't execute.
This test verifies the fix for a race condition where:
1. cleanup_() only removes items from the front of the heap
2. Items in the middle of the heap marked for removal still execute
3. This causes cancelled timeouts to run when they shouldn't
"""
loop = asyncio.get_running_loop()
test_complete_future: asyncio.Future[bool] = loop.create_future()
# Track test results
test_passed = False
removed_executed = 0
normal_executed = 0
# Patterns to match
race_pattern = re.compile(r"RACE: .* executed after being cancelled!")
passed_pattern = re.compile(r"TEST PASSED")
failed_pattern = re.compile(r"TEST FAILED")
complete_pattern = re.compile(r"=== Test Complete ===")
normal_count_pattern = re.compile(r"Normal items executed: (\d+)")
removed_count_pattern = re.compile(r"Removed items executed: (\d+)")
def check_output(line: str) -> None:
"""Check log output for test results."""
nonlocal test_passed, removed_executed, normal_executed
if race_pattern.search(line):
# Race condition detected - a cancelled item executed
test_passed = False
if passed_pattern.search(line):
test_passed = True
elif failed_pattern.search(line):
test_passed = False
normal_match = normal_count_pattern.search(line)
if normal_match:
normal_executed = int(normal_match.group(1))
removed_match = removed_count_pattern.search(line)
if removed_match:
removed_executed = int(removed_match.group(1))
if not test_complete_future.done() and complete_pattern.search(line):
test_complete_future.set_result(True)
async with (
run_compiled(yaml_config, line_callback=check_output),
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 == "scheduler-removed-item-race"
# List services
_, services = await asyncio.wait_for(
client.list_entities_services(), timeout=5.0
)
# Find run_test service
run_test_service = next((s for s in services if s.name == "run_test"), None)
assert run_test_service is not None, "run_test service not found"
# Execute the test
client.execute_service(run_test_service, {})
# Wait for test completion
try:
await asyncio.wait_for(test_complete_future, timeout=5.0)
except TimeoutError:
pytest.fail("Test did not complete within timeout")
# Verify results
assert test_passed, (
f"Test failed! Removed items executed: {removed_executed}, "
f"Normal items executed: {normal_executed}"
)
assert removed_executed == 0, (
f"Cancelled items should not execute, but {removed_executed} did"
)
assert normal_executed == 5, (
f"Expected 5 normal items to execute, got {normal_executed}"
)