def METHOD_NAME():
    output = spec("--types", "--cover", "nodes", "--no-install-status", "dt-diamond")
    types = _parse_types(output)
    assert types["dt-diamond"] == ["    "]
    assert types["dt-diamond-left"] == ["bl  "]
    assert types["dt-diamond-right"] == ["bl  "]
    assert types["dt-diamond-bottom"] == ["blr "]