# -*- coding: utf-8 -*-
'''
    :synopsis: Base class for kernelpkg modules
    :platform: Linux
    :maturity: develop
    versionadded:: oxygen
'''

from tests.support.mock import MagicMock, patch, NO_MOCK, NO_MOCK_REASON


class KernelPkgTestCase(object):
    '''
    Test cases for salt.modules.yumkernelpkg
    '''

    def test_current(self):
        '''
        Test - Return return the current kernel version
        '''
        self.assertEqual(self._kernelpkg.current(), self.KERNEL_LIST[0])

    def test_latest_available_no_results(self):
        '''
        Test - Return the latest available kernel version
        '''
        mock = MagicMock(return_value='')
        with patch.dict(self._kernelpkg.__salt__, {'pkg.latest_version': mock}):
            with patch.object(self._kernelpkg, 'current', return_value=self.KERNEL_LIST[0]):
                self.assertEqual(self._kernelpkg.latest_available(), self.KERNEL_LIST[0])

    def test_latest_available_at_latest(self):
        '''
        Test - Return the latest available kernel version
        '''
        mock = MagicMock(return_value=self.LATEST)
        with patch.dict(self._kernelpkg.__salt__, {'pkg.latest_version': mock}):
            with patch.object(self._kernelpkg, 'current', return_value=self.KERNEL_LIST[-1]):
                self.assertEqual(self._kernelpkg.latest_available(), self.KERNEL_LIST[-1])

    def test_latest_available_with_updates(self):
        '''
        Test - Return the latest available kernel version
        '''
        mock = MagicMock(return_value=self.LATEST)
        with patch.dict(self._kernelpkg.__salt__, {'pkg.latest_version': mock}):
            with patch.object(self._kernelpkg, 'current', return_value=self.KERNEL_LIST[0]):
                self.assertEqual(self._kernelpkg.latest_available(), self.KERNEL_LIST[-1])

    def test_latest_installed_with_updates(self):
        '''
        Test - Return the latest installed kernel version
        '''
        with patch.object(self._kernelpkg, 'current', return_value=self.KERNEL_LIST[0]):
            with patch.object(self._kernelpkg, 'list_installed', return_value=self.KERNEL_LIST):
                self.assertEqual(self._kernelpkg.latest_installed(), self.KERNEL_LIST[-1])

    def test_latest_installed_at_latest(self):
        '''
        Test - Return the latest installed kernel version
        '''
        with patch.object(self._kernelpkg, 'current', return_value=self.KERNEL_LIST[-1]):
            with patch.object(self._kernelpkg, 'list_installed', return_value=self.KERNEL_LIST):
                self.assertEqual(self._kernelpkg.latest_installed(), self.KERNEL_LIST[-1])

    def test_needs_reboot_with_update(self):
        '''
        Test - Return True if a new kernel is ready to be booted
        '''
        with patch.object(self._kernelpkg, 'current', return_value=self.KERNEL_LIST[0]):
            with patch.object(self._kernelpkg, 'latest_installed', return_value=self.KERNEL_LIST[1]):
                self.assertTrue(self._kernelpkg.needs_reboot())

    def test_needs_reboot_at_latest(self):
        '''
        Test - Return True if a new kernel is ready to be booted
        '''
        with patch.object(self._kernelpkg, 'current', return_value=self.KERNEL_LIST[1]):
            with patch.object(self._kernelpkg, 'latest_installed', return_value=self.KERNEL_LIST[1]):
                self.assertFalse(self._kernelpkg.needs_reboot())

    def test_needs_reboot_order_inverted(self):
        '''
        Test - Return True if a new kernel is ready to be booted
        '''
        with patch.object(self._kernelpkg, 'current', return_value=self.KERNEL_LIST[1]):
            with patch.object(self._kernelpkg, 'latest_installed', return_value=self.KERNEL_LIST[0]):
                self.assertFalse(self._kernelpkg.needs_reboot())

    def test_upgrade_not_needed_with_reboot(self):
        '''
        Test - Upgrade funciotn when no upgrade is available and reboot has been requested
        '''
        with patch.object(self._kernelpkg, 'current', return_value=self.KERNEL_LIST[-1]):
            with patch.object(self._kernelpkg, 'list_installed', return_value=self.KERNEL_LIST):
                result = self._kernelpkg.upgrade(reboot=True)
                self.assertIn('upgrades', result)
                self.assertEqual(result['current'], self.KERNEL_LIST[-1])
                self.assertEqual(result['latest_installed'], self.KERNEL_LIST[-1])
                self.assertEqual(result['reboot_requested'], True)
                self.assertEqual(result['reboot_required'], False)
                self._kernelpkg.__salt__['system.reboot'].assert_not_called()

    def test_upgrade_not_needed_without_reboot(self):
        '''
        Test - Upgrade funciotn when no upgrade is available and no reboot has been requested
        '''
        with patch.object(self._kernelpkg, 'current', return_value=self.KERNEL_LIST[-1]):
            with patch.object(self._kernelpkg, 'list_installed', return_value=self.KERNEL_LIST):
                result = self._kernelpkg.upgrade(reboot=False)
                self.assertIn('upgrades', result)
                self.assertEqual(result['current'], self.KERNEL_LIST[-1])
                self.assertEqual(result['latest_installed'], self.KERNEL_LIST[-1])
                self.assertEqual(result['reboot_requested'], False)
                self.assertEqual(result['reboot_required'], False)
                self._kernelpkg.__salt__['system.reboot'].assert_not_called()

    def test_upgrade_needed_with_reboot(self):
        '''
        Test - Upgrade funciotn when an upgrade is available and reboot has been requested
        '''
        with patch.object(self._kernelpkg, 'current', return_value=self.KERNEL_LIST[0]):
            with patch.object(self._kernelpkg, 'list_installed', return_value=self.KERNEL_LIST):
                result = self._kernelpkg.upgrade(reboot=True)
                self.assertIn('upgrades', result)
                self.assertEqual(result['current'], self.KERNEL_LIST[0])
                self.assertEqual(result['latest_installed'], self.KERNEL_LIST[-1])
                self.assertEqual(result['reboot_requested'], True)
                self.assertEqual(result['reboot_required'], True)
                self._kernelpkg.__salt__['system.reboot'].assert_called_once()

    def test_upgrade_needed_without_reboot(self):
        '''
        Test - Upgrade funciotn when an upgrade is available and no reboot has been requested
        '''
        with patch.object(self._kernelpkg, 'current', return_value=self.KERNEL_LIST[0]):
            with patch.object(self._kernelpkg, 'list_installed', return_value=self.KERNEL_LIST):
                result = self._kernelpkg.upgrade(reboot=False)
                self.assertIn('upgrades', result)
                self.assertEqual(result['current'], self.KERNEL_LIST[0])
                self.assertEqual(result['latest_installed'], self.KERNEL_LIST[-1])
                self.assertEqual(result['reboot_requested'], False)
                self.assertEqual(result['reboot_required'], True)
                self._kernelpkg.__salt__['system.reboot'].assert_not_called()