# SPDX-License-Identifier: GPL-3.0-or-later
"""Boundary tests for the Qt GUI frontend.

The shared model must stay GUI-free; only qt_app.py may reference PySide6.
"""
import re
import tomllib
import unittest
from pathlib import Path

ROOT = Path(__file__).resolve().parents[1]
GUI = ROOT / "enodia_sentinel" / "gui"


class TestQtGuiBoundaries(unittest.TestCase):
    def test_model_has_no_qt_imports(self):
        text = (GUI / "model.py").read_text()
        self.assertFalse(
            re.search(r"\b(import PySide6|from PySide6)\b", text),
            "model.py must not import PySide6",
        )

    def test_tkinter_app_has_no_qt_imports(self):
        text = (GUI / "app.py").read_text()
        self.assertNotIn("PySide6", text, "app.py must not import PySide6")

    def test_qt_app_imports_without_runtime_gui_deps(self):
        # qt_app.py guards PySide6 and is importable even when Qt is absent.
        from enodia_sentinel.gui import qt_app  # noqa: F401

    def test_pyproject_declares_qt_extra_and_script(self):
        data = tomllib.loads((ROOT / "pyproject.toml").read_text())
        self.assertIn("qt", data["project"]["optional-dependencies"])
        self.assertEqual(
            data["project"]["scripts"]["enodia-sentinel-gui-qt"],
            "enodia_sentinel.gui.qt_app:main",
        )