import json
from pathlib import Path
import pytest
from app.fonts import fonts,stylesheet


def test_font_manifest_only_allows_explicit_local_paths(tmp_path,monkeypatch):
    monkeypatch.setenv('FONT_DIR',str(tmp_path)); (tmp_path/'test.woff2').write_bytes(b'font fixture')
    (tmp_path/'fonts.json').write_text(json.dumps({'Arial':[{'file':'test.woff2','weight':'bold','style':'italic'}]}))
    assert len(fonts())==1 and "font-weight:bold" in stylesheet()
    (tmp_path/'fonts.json').write_text(json.dumps({'Arial':'../outside.woff2'}))
    with pytest.raises(ValueError):fonts()