def METHOD_NAME(self):
    g = geometry.LineString([[0, 0], [1, 0]])
    h = g.buffer(1, join_style=BufferJoinStyle.round)
    assert h == g.buffer(1, join_style=JOIN_STYLE.round)
    assert h == g.buffer(1, join_style="round")
    h = g.buffer(1, join_style=BufferJoinStyle.mitre)
    assert h == g.buffer(1, join_style=JOIN_STYLE.mitre)
    assert h == g.buffer(1, join_style="mitre")
    h = g.buffer(1, join_style=BufferJoinStyle.bevel)
    assert h == g.buffer(1, join_style=JOIN_STYLE.bevel)
    assert h == g.buffer(1, join_style="bevel")