Function test_min_chunksize

python/pyarrow/tests/parquet/test_basic.py:738–751

()

@pytest.mark.pandas
def test_min_chunksize():
    data = pd.DataFrame([np.arange(4)], columns=['A', 'B', 'C', 'D'])
    table = pa.Table.from_pandas(data.reset_index())

    buf = io.BytesIO()
    _write_table(table, buf, chunk_size=-1)

    buf.seek(0)
    result = _read_table(buf)

    assert result.equals(table)

    with pytest.raises(ValueError):
        _write_table(table, buf, chunk_size=0)


@pytest.mark.pandas