def test_prepare_line():
    e = np.asarray([0, 1, 2, 3], dtype=int)
    n = np.asarray([[0, 1], [0, 2], [2, 3], [8, 9]], dtype=int)
    (pe, pn) = html_connectome._prepare_line(e, n)
    assert (pn == [0, 1, 0, 0, 2, 0, 2, 3, 0, 8, 9, 0]).all()
    assert (pe == [0, 0, 0, 1, 1, 0, 2, 2, 0, 3, 3, 0]).all()
def test_prepare_line():
    e = np.asarray([0, 1, 2, 3], dtype=int)
    n = np.asarray([[0, 1], [0, 2], [2, 3], [8, 9]], dtype=int)
    (pe, pn) = html_connectome._prepare_line(e, n)
    assert (pn == [0, 1, 0, 0, 2, 0, 2, 3, 0, 8, 9, 0]).all()
    assert (pe == [0, 0, 0, 1, 1, 0, 2, 2, 0, 3, 3, 0]).all()