import unittest
from unittest.mock import patch
from samsara.core.detection import detect_local_os, check_profile, PROFILES

class DetectionTests(unittest.TestCase):
    @patch('samsara.core.detection.platform.system', return_value='Linux')
    def test_rhel_and_compatible_release(self, system):
        for release in ['ID=rhel\nVERSION_ID="9.4"\nPRETTY_NAME="Red Hat Enterprise Linux 9.4"',
                        'ID=rocky\nID_LIKE="rhel centos fedora"\nVERSION_ID=9.4']:
            with patch('samsara.core.detection.Path.read_text', return_value=release):
                info = detect_local_os()
                self.assertEqual(info['family'], 'rhel')
                self.assertEqual(info['version'], '9')
                check_profile(info, 'rhel:9')
                check_profile(info, 'rhel:any')
                with self.assertRaises(ValueError):
                    check_profile(info, 'rhel:8')

    @patch('samsara.core.detection.platform.system', return_value='Linux')
    @patch('samsara.core.detection.Path.read_text', return_value='ID=linuxmint\nID_LIKE="ubuntu debian"\nVERSION_ID=22\nPRETTY_NAME="Linux Mint"')
    def test_generic_linux_not_misidentified_as_rhel(self, release, system):
        info = detect_local_os()
        self.assertEqual(info['family'], 'linux')
        check_profile(info, 'auto')
        with self.assertRaises(ValueError):
            check_profile(info, 'rhel:any')

    @patch('samsara.core.detection.platform.system', return_value='Windows')
    @patch('samsara.core.detection.platform.win32_ver', return_value=('11', '', '', ''))
    def test_windows_desktop_not_invented_as_server(self, version, system):
        info = detect_local_os()
        self.assertEqual(info['platform'], 'windows')
        self.assertEqual(info['version'], '')
        self.assertIn(('Windows Server 2025', 'windows:2025'), PROFILES)