from pathlib import Path


WEB_ROOT = Path(__file__).parents[1] / "src" / "poly_updown" / "web"


def test_dashboard_assets_reference_expected_mounts() -> None:
    html = (WEB_ROOT / "index.html").read_text(encoding="utf-8")

    assert "/static/styles.css" in html
    assert "/static/app.js" in html
    assert "BTC 涨跌实验台" in html
    assert "当前信号" in html
    assert 'id="paperPnlTop"' in html
    assert 'id="btcPrice"' in html
    assert 'id="upBook"' in html
    assert 'id="eventLog"' in html
    assert 'id="analyticsTable"' in html
    assert 'id="paperTable"' in html


def test_dashboard_script_uses_sse_stream() -> None:
    script = (WEB_ROOT / "app.js").read_text(encoding="utf-8")

    assert 'new EventSource("/api/stream")' in script
    assert 'fetch("/api/analytics")' in script
    assert "renderBook" in script
    assert "renderEdgeBar" in script