How to use the morphio.SectionBuilderError function in morphio

def test_point_level():
    a = PointLevel([[1, 2, 3]], [2], [])
    assert_equal(a.points, [[1, 2, 3]])
    assert_equal(a.diameters, [2])

    with assert_raises(SectionBuilderError) as obj:
        a = PointLevel([[1, 2, 3],
                        [1, 2, 3]],
                       [2],
                       [])

    assert_substring("Point vector have size: 2 while Diameter vector has size: 1",
                     str(obj.exception))

    with assert_raises(SectionBuilderError) as obj:
        a = PointLevel([[1, 2, 3],
                        [1, 2, 3]],
                       [2, 3],
                       [4])

    assert_substring("Point vector have size: 2 while Perimeter vector has size: 1",
                     str(obj.exception))

def test_single_point_root_section():
    m = Morphology()
    points = []
    diameters = []

    # Too hide the warning: appending empty section
    with captured_output():
        with ostream_redirect(stdout=True, stderr=True):
            m.append_root_section(PointLevel(points, diameters), SectionType(2))

            with setup_tempdir('test_single_point_root_section', no_cleanup=True) as tmp_folder:
                assert_raises(SectionBuilderError, m.write, os.path.join(tmp_folder, "h5/empty_vasculature.h5"))

    m = Morphology()
    points = [[1., 1., 1.]]
    diameters = [2.]
    m.append_root_section(PointLevel(points, diameters), SectionType(2))

    with setup_tempdir('test_single_point_root_section', no_cleanup=True) as tmp_folder:
        assert_raises(SectionBuilderError, m.write, os.path.join(tmp_folder, "h5/empty_vasculature.h5"))

def test_point_level():
    a = PointLevel([[1, 2, 3]], [2], [])
    assert_equal(a.points, [[1, 2, 3]])
    assert_equal(a.diameters, [2])

    with assert_raises(SectionBuilderError) as obj:
        a = PointLevel([[1, 2, 3],
                        [1, 2, 3]],
                       [2],
                       [])

    assert_substring("Point vector have size: 2 while Diameter vector has size: 1",
                     str(obj.exception))

    with assert_raises(SectionBuilderError) as obj:
        a = PointLevel([[1, 2, 3],
                        [1, 2, 3]],
                       [2, 3],
                       [4])

    assert_substring("Point vector have size: 2 while Perimeter vector has size: 1",
                     str(obj.exception))

# Too hide the warning: appending empty section
    with captured_output():
        with ostream_redirect(stdout=True, stderr=True):
            m.append_root_section(PointLevel(points, diameters), SectionType(2))

            with setup_tempdir('test_single_point_root_section', no_cleanup=True) as tmp_folder:
                assert_raises(SectionBuilderError, m.write, os.path.join(tmp_folder, "h5/empty_vasculature.h5"))

    m = Morphology()
    points = [[1., 1., 1.]]
    diameters = [2.]
    m.append_root_section(PointLevel(points, diameters), SectionType(2))

    with setup_tempdir('test_single_point_root_section', no_cleanup=True) as tmp_folder:
        assert_raises(SectionBuilderError, m.write, os.path.join(tmp_folder, "h5/empty_vasculature.h5"))