"""验证桌面入口的纯参数处理，不启动 PySide6。"""

from __future__ import annotations

import sys
from pathlib import Path
import unittest
from unittest import mock


CLIENT_ROOT = Path(__file__).resolve().parents[1]
sys.path.insert(0, str(CLIENT_ROOT / "src"))

from cmbuyer_client.app import select_application_argv


class ApplicationArgumentsTests(unittest.TestCase):
    def test_empty_argument_list_is_not_replaced_with_process_arguments(self) -> None:
        with mock.patch("cmbuyer_client.app.sys.argv", ["process-name", "--process-option"]):
            self.assertEqual([], select_application_argv([]))

    def test_none_uses_process_arguments(self) -> None:
        with mock.patch("cmbuyer_client.app.sys.argv", ["process-name", "--process-option"]):
            self.assertEqual(["process-name", "--process-option"], select_application_argv(None))