def test_modify_view_component(matrix_type, mapping_name):
    adata = ad.AnnData(
        np.zeros((10, 10)),
        **{mapping_name: dict(m=matrix_type(asarray(sparse.random(10, 10))))},
    )
    init_hash = joblib.hash(adata)

    subset = adata[:5, :][:, :5]
    assert subset.is_view
    m = getattr(subset, mapping_name)["m"]
    m[0, 0] = 100
    assert not subset.is_view
    assert getattr(subset, mapping_name)["m"][0, 0] == 100

    assert init_hash == joblib.hash(adata)
def runcmd(cmd, **kw):  # same code as in getlino.py
    """Run the cmd similar as os.system(), but stop when Ctrl-C."""
    # kw.update(stdout=subprocess.PIPE)
    # kw.update(stderr=subprocess.STDOUT)
    kw.update(shell=True)
    kw.update(universal_newlines=True)
    kw.update(check=True)
    # subprocess.check_output(cmd, **kw)
    subprocess.run(cmd, **kw)
    # os.system(cmd)