"""登录页与系统导航名称回归测试。"""

import unittest
from pathlib import Path


ROOT = Path(__file__).resolve().parents[1]
LOGIN_HTML = (ROOT / 'templates/login.html').read_text(encoding='utf-8')
BASE_HTML = (ROOT / 'templates/base.html').read_text(encoding='utf-8')


class SystemBrandingTest(unittest.TestCase):
    def test_login_uses_full_management_system_name(self):
        self.assertIn('<h1>蝶雅采购管理系统</h1>', LOGIN_HTML)
        self.assertIn('<title>蝶雅采购管理系统 - 登录</title>', LOGIN_HTML)
        self.assertNotIn('蝶雅采购智能体平台', LOGIN_HTML)

    def test_sidebar_uses_short_management_system_name(self):
        self.assertIn('<span class="sidebar-title">采购管理系统</span>', BASE_HTML)
        self.assertIn('<title>蝶雅采购管理系统</title>', BASE_HTML)


if __name__ == '__main__':
    unittest.main()