from sysinfo import get_hardware_info

def test_sysinfo_contains_required_keys():
    data = get_hardware_info()
    assert isinstance(data, dict)

    for key in ["cpu", "ram", "disk", "os", "network_basic", "user_accounts", "gpu"]:
        assert key in data

def test_cpu_info_structure():
    cpu = get_hardware_info()["cpu"]
    assert "model" in cpu
    assert "cores" in cpu
    assert "threads" in cpu
    assert "usage" in cpu