def test_view_retains_ndarray_subclass():
    adata = ad.AnnData(np.zeros((10, 10)))
    adata.obsm["foo"] = np.zeros((10, 5)).view(NDArraySubclass)

    view = adata[:5, :]

    assert isinstance(view.obsm["foo"], NDArraySubclass)
    assert view.obsm["foo"].shape == (5, 5)
def test_parse_section_body():
    output_section = {
        'action_template': '    task',
        'sources_repls': 'source',
        'variable': '6',
        'target_pattern': 'target',
    }
    assert mariofile.parse_section_body(SECTION.splitlines(True)) == output_section
    with pytest.raises(mariofile.ConfigurationFileError):
        mariofile.parse_section_body(SECTION_MULTIPLE_RULE.splitlines(True))
    with pytest.raises(mariofile.ConfigurationFileError):
        mariofile.parse_section_body(INVALID_CONFIG.splitlines(True))