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# Copyright (c) 2017-2026 Juancarlo Añez (apalala@gmail.com)
# SPDX-License-Identifier: BSD-4-Clause
from __future__ import annotations
from pathlib import Path
from tatsu import railroads
from tatsu.tool import api
def test_railroads():
grammar = Path('./grammar/tatsu.tatsu').read_text()
model = api.compile(grammar)
print('RAILROADS')
railroads.draw(model)
tracks = railroads.tracks(model)
assert len(tracks) == 243
track0 = "start ●─grammar─■"
assert tracks[0] == track0
trackm2 = "eof∷EOF ●─'$' ✂ ──■"
assert tracks[-2] == trackm2
assert not tracks[-1].rstrip()
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