tests/utils/test_orm_event_handlers.py

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"""These tests ensure compatibility with the deprecation of `sqlalchemy.orm.mapper()` in SQLAlchemy 2.0.0.b1.
See also: https://docs.sqlalchemy.org/en/21/orm/mapping_styles.html#orm-imperative-mapping
"""

from __future__ import annotations

import warnings

from sqlalchemy.exc import InvalidRequestError, SADeprecationWarning

from airflow.utils.orm_event_handlers import setup_event_handlers


def test_setup_event_handlers_no_sa_deprecation_warning():
    warnings.simplefilter("error", category=SADeprecationWarning)
    try:
        setup_event_handlers(engine=None)
    except InvalidRequestError:
        # We are only interested in the warning that may be issued at the beginning of the method.
        pass