import pytest
import requests

def test_gui_fixture_auto_starts(live_gui):
    """
    Verifies that the live_gui fixture correctly starts the GUI 
    and the hook server is reachable on port 8999.
    """
    response = requests.get("http://127.0.0.1:8999/status")
    assert response.status_code == 200
    data = response.json()
    assert data["status"] == "ok"

def test_get_performance_metrics(live_gui):
    """
    Verifies that we can retrieve performance metrics via the hook server.
    """
    response = requests.get("http://127.0.0.1:8999/api/performance")
    assert response.status_code == 200
    data = response.json()
    assert "performance" in data