Function test_to_dask_array_raises

dask/dataframe/tests/test_dataframe.py:2786–2797

(as_frame)

@pytest.mark.parametrize("as_frame", [False, False])
def test_to_dask_array_raises(as_frame):
    s = pd.Series([1, 2, 3, 4, 5, 6], name="foo")
    a = dd.from_pandas(s, npartitions=2)

    if as_frame:
        a = a.to_frame()

    with pytest.raises(ValueError, match="4 != 2"):
        a.to_dask_array((1, 2, 3, 4))

    with pytest.raises(ValueError, match="Unexpected value"):
        a.to_dask_array(5)


@pytest.mark.parametrize("as_frame", [False, True])