def test_set_scalar_subset_X(matrix_type, subset_func):
    adata = ad.AnnData(matrix_type(np.zeros((10, 10))))
    orig_X_val = adata.X.copy()
    subset_idx = slice_subset(adata.obs_names)

    adata_subset = adata[subset_idx, :]

    adata_subset.X = 1

    assert adata_subset.is_view
    assert np.all(asarray(adata[subset_idx, :].X) == 1)

    assert asarray((orig_X_val != adata.X)).sum() == mul(*adata_subset.shape)
def test_parse_sections():
    simple_mariofile_sections = dict(mariofile.parse_sections(SIMPLE_MARIOFILE.splitlines(True)))
    assert len(simple_mariofile_sections) == 3
    complex_mariofile_sections = dict(mariofile.parse_sections(COMPLEX_MARIOFILE.splitlines(True)))
    assert len(complex_mariofile_sections) == 2
    assert sorted(complex_mariofile_sections.keys()) == ['DEFAULT', 'section']
    assert complex_mariofile_sections['DEFAULT'] == ['default text\n', '\n']
    with pytest.raises(mariofile.ConfigurationFileError):
        dict(mariofile.parse_sections(GARBAGE_MARIOFILE.splitlines(True)))
    with pytest.raises(mariofile.ConfigurationFileError):
        dict(mariofile.parse_sections(INVALID_SECTION_MARIOFILE.splitlines(True)))
    more_complex_mariofile_sections = dict(
            mariofile.parse_sections(MORE_COMPLEX_MARIOFILE.splitlines(True))
    )
    more_complex_mariofile_sections_keys = ['DEFAULT', 'section_one', 'section_two', 'three']
    assert sorted(more_complex_mariofile_sections.keys()) == more_complex_mariofile_sections_keys
    assert more_complex_mariofile_sections['three'] == []