import pathlib, re, subprocess, shutil
ROOT=pathlib.Path(__file__).resolve().parents[1]

def test_version_380():
    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.15"

def test_chat_runtime_extracted():
    ui=(ROOT/"ui_server.py").read_text(encoding="utf-8")
    runtime=(ROOT/"services"/"chat_runtime.py").read_text(encoding="utf-8")
    assert "init_chat_runtime(globals())" in ui
    for name in ("stream_chat","harness_stream_chat","dispatch_chat_stream"):
        assert f"async def {name}" not in ui
        assert f"async def {name}" in runtime

def test_chat_routes_extracted():
    ui=(ROOT/"ui_server.py").read_text(encoding="utf-8")
    route=(ROOT/"routes"/"chat.py").read_text(encoding="utf-8")
    assert "register_chat_routes(app, globals())" in ui
    for name in ("new_thread","upload_user_file","download_fisheries_export","usage_event","chat"):
        assert f"async def {name}" not in ui
        assert f"async def {name}" in route
    for path in ("/api/threads","/api/upload","/api/fisheries/download/{token}","/api/usage","/api/chat"):
        assert path in route

def test_frontend_runtime_guard_script():
    smoke=ROOT/"scripts"/"frontend_runtime_smoke.js"
    assert smoke.exists()
    text=smoke.read_text(encoding="utf-8")
    assert "stray standalone async token" in text
    assert "auth-pending" in text
    assert "bindSidebarToolsToggle" in text
    if shutil.which("node"):
        r=subprocess.run(["node",str(smoke)],cwd=ROOT,capture_output=True,text=True)
        assert r.returncode==0, r.stderr or r.stdout