examples/datafusion-ffi-query-planner-example/python/tests/conftest.py

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#
#   http://www.apache.org/licenses/LICENSE-2.0
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from __future__ import annotations

import logging
from typing import TYPE_CHECKING

import pytest

if TYPE_CHECKING:
    from collections.abc import Generator
    from typing import Any


class _FailOnWarning(logging.Handler):
    def emit(self, record: logging.LogRecord) -> None:
        if record.levelno >= logging.WARNING:
            err = f"Unexpected log warning from '{record.name}': {self.format(record)}"
            raise AssertionError(err)


@pytest.fixture(autouse=True)
def fail_on_log_warnings() -> Generator[None, Any, None]:
    handler = _FailOnWarning()
    logging.root.addHandler(handler)
    yield
    logging.root.removeHandler(handler)