python/adbc_driver_manager/tests/test_polars.py

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#
#   http://www.apache.org/licenses/LICENSE-2.0
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import pytest

polars = pytest.importorskip("polars")
polars.testing = pytest.importorskip("polars.testing")


@pytest.mark.sqlite
def test_query_fetch_polars(sqlite) -> None:
    with sqlite.cursor() as cur:
        cur.execute("SELECT 1, 'foo' AS foo, 2.0")
        polars.testing.assert_frame_equal(
            cur.fetch_polars(),
            polars.DataFrame(
                {
                    "1": [1],
                    "foo": ["foo"],
                    "2.0": [2.0],
                }
            ),
        )