from pathlib import Path
from src.final_report_builder import FinalReportBuilder
from src.presentation_assets_builder import PresentationAssetsBuilder
def test_empty_assets_export(tmp_path:Path)->None:
    b=PresentationAssetsBuilder();assets=b.build(FinalReportBuilder().build(tmp_path),tmp_path);paths=b.export(assets,tmp_path/"a.md",tmp_path/"a.csv");assert "因果関係" in paths[0].read_text(encoding="utf-8")