67 lines
2.3 KiB
Python
67 lines
2.3 KiB
Python
"""Test pool."""
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import threading
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import pytest
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from sqlalchemy import create_engine
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from sqlalchemy.orm import sessionmaker
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from homeassistant.components.recorder.const import DB_WORKER_PREFIX
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from homeassistant.components.recorder.pool import RecorderPool
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async def test_recorder_pool_called_from_event_loop() -> None:
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"""Test we raise an exception when calling from the event loop."""
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engine = create_engine("sqlite://", poolclass=RecorderPool)
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with pytest.raises(RuntimeError):
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sessionmaker(bind=engine)().connection()
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def test_recorder_pool(caplog: pytest.LogCaptureFixture) -> None:
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"""Test RecorderPool gives the same connection in the creating thread."""
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engine = create_engine("sqlite://", poolclass=RecorderPool)
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get_session = sessionmaker(bind=engine)
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shutdown = False
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connections = []
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def _get_connection_twice():
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session = get_session()
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connections.append(session.connection().connection.driver_connection)
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session.close()
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if shutdown:
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engine.pool.shutdown()
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session = get_session()
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connections.append(session.connection().connection.driver_connection)
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session.close()
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caplog.clear()
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new_thread = threading.Thread(target=_get_connection_twice)
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new_thread.start()
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new_thread.join()
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assert "accesses the database without the database executor" in caplog.text
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assert connections[0] != connections[1]
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caplog.clear()
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new_thread = threading.Thread(target=_get_connection_twice, name=DB_WORKER_PREFIX)
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new_thread.start()
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new_thread.join()
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assert "accesses the database without the database executor" not in caplog.text
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assert connections[2] == connections[3]
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caplog.clear()
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new_thread = threading.Thread(target=_get_connection_twice, name="Recorder")
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new_thread.start()
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new_thread.join()
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assert "accesses the database without the database executor" not in caplog.text
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assert connections[4] == connections[5]
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shutdown = True
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caplog.clear()
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new_thread = threading.Thread(target=_get_connection_twice, name=DB_WORKER_PREFIX)
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new_thread.start()
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new_thread.join()
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assert "accesses the database without the database executor" not in caplog.text
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assert connections[6] != connections[7]
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