mirror of https://github.com/home-assistant/core
95 lines
2.6 KiB
Python
95 lines
2.6 KiB
Python
"""Test Home Assistant executor util."""
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import concurrent.futures
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import time
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from unittest.mock import patch
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import pytest
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from homeassistant.util import executor
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from homeassistant.util.executor import InterruptibleThreadPoolExecutor
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async def test_executor_shutdown_can_interrupt_threads(
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caplog: pytest.LogCaptureFixture,
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) -> None:
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"""Test that the executor shutdown can interrupt threads."""
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iexecutor = InterruptibleThreadPoolExecutor()
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def _loop_sleep_in_executor():
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while True:
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time.sleep(0.1)
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sleep_futures = [iexecutor.submit(_loop_sleep_in_executor) for _ in range(100)]
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iexecutor.shutdown()
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for future in sleep_futures:
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with pytest.raises((concurrent.futures.CancelledError, SystemExit)):
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future.result()
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assert "is still running at shutdown" in caplog.text
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assert "time.sleep(0.1)" in caplog.text
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async def test_executor_shutdown_only_logs_max_attempts(
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caplog: pytest.LogCaptureFixture,
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) -> None:
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"""Test that the executor shutdown will only log max attempts."""
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iexecutor = InterruptibleThreadPoolExecutor()
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def _loop_sleep_in_executor():
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time.sleep(0.2)
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iexecutor.submit(_loop_sleep_in_executor)
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with patch.object(executor, "EXECUTOR_SHUTDOWN_TIMEOUT", 0.3):
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iexecutor.shutdown()
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assert "time.sleep(0.2)" in caplog.text
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assert "is still running at shutdown" in caplog.text
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iexecutor.shutdown()
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async def test_executor_shutdown_does_not_log_shutdown_on_first_attempt(
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caplog: pytest.LogCaptureFixture,
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) -> None:
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"""Test that the executor shutdown does not log on first attempt."""
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iexecutor = InterruptibleThreadPoolExecutor()
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def _do_nothing():
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return
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for _ in range(5):
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iexecutor.submit(_do_nothing)
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iexecutor.shutdown()
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assert "is still running at shutdown" not in caplog.text
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async def test_overall_timeout_reached(caplog: pytest.LogCaptureFixture) -> None:
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"""Test that shutdown moves on when the overall timeout is reached."""
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def _loop_sleep_in_executor():
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time.sleep(1)
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with patch.object(executor, "EXECUTOR_SHUTDOWN_TIMEOUT", 0.5):
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iexecutor = InterruptibleThreadPoolExecutor()
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for _ in range(6):
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iexecutor.submit(_loop_sleep_in_executor)
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start = time.monotonic()
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iexecutor.shutdown()
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finish = time.monotonic()
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# Idealy execution time (finish - start) should be < 1.2 sec.
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# CI tests might not run in an ideal environment and timing might
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# not be accurate, so we let this test pass
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# if the duration is below 3 seconds.
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assert finish - start < 3.0
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iexecutor.shutdown()
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