# -*- coding: utf-8 -*-
'''
    :codeauthor: :email:`Rahul Handay <rahulha@saltstack.com>`
'''

# Import Python Libs
from __future__ import absolute_import

# Import Salt Testing Libs
from tests.support.mixins import LoaderModuleMockMixin
from tests.support.unit import TestCase, skipIf
from tests.support.mock import (
    MagicMock,
    patch,
    NO_MOCK,
    NO_MOCK_REASON
)

# Import Salt Libs
import salt.states.vbox_guest as vbox_guest


@skipIf(NO_MOCK, NO_MOCK_REASON)
class VboxGuestTestCase(TestCase, LoaderModuleMockMixin):
    '''
        Validate the vbox_guest state
    '''
    def setup_loader_modules(self):
        return {vbox_guest: {}}

    def test_additions_installed(self):
        '''
            Test to ensure that the VirtualBox Guest Additions are installed
        '''
        ret = {'name': 'salt',
               'changes': {},
               'result': True,
               'comment': ''}
        mock = MagicMock(side_effect=[True, False, False, False])
        with patch.dict(vbox_guest.__salt__,
                        {"vbox_guest.additions_version": mock,
                         "vbox_guest.additions_install": mock}):
            ret.update({'comment': 'System already in the correct state'})
            self.assertDictEqual(vbox_guest.additions_installed('salt'), ret)

            with patch.dict(vbox_guest.__opts__, {"test": True}):
                ret.update({'changes': {'new': True, 'old': False},
                            'comment': 'The state of VirtualBox Guest'
                            ' Additions will be changed.', 'result': None})
                self.assertDictEqual(vbox_guest.additions_installed('salt'),
                                     ret)

            with patch.dict(vbox_guest.__opts__, {"test": False}):
                ret.update({'changes': {'new': False, 'old': False},
                            'comment': 'The state of VirtualBox Guest'
                            ' Additions was changed!', 'result': False})
                self.assertDictEqual(vbox_guest.additions_installed('salt'),
                                     ret)

    def test_additions_removed(self):
        '''
            Test to ensure that the VirtualBox Guest Additions are removed.
        '''
        ret = {'name': 'salt',
               'changes': {},
               'result': True,
               'comment': ''}
        mock = MagicMock(side_effect=[False, True, True, True])
        with patch.dict(vbox_guest.__salt__,
                        {"vbox_guest.additions_version": mock,
                         "vbox_guest.additions_remove": mock}):
            ret.update({'comment': 'System already in the correct state'})
            self.assertDictEqual(vbox_guest.additions_removed('salt'), ret)

            with patch.dict(vbox_guest.__opts__, {"test": True}):
                ret.update({'changes': {'new': True, 'old': True},
                            'comment': 'The state of VirtualBox Guest'
                            ' Additions will be changed.', 'result': None})
                self.assertDictEqual(vbox_guest.additions_removed('salt'),
                                     ret)

            with patch.dict(vbox_guest.__opts__, {"test": False}):
                ret.update({'comment': 'The state of VirtualBox Guest'
                            ' Additions was changed!', 'result': True})
                self.assertDictEqual(vbox_guest.additions_removed('salt'),
                                     ret)

    def test_grantaccess_to_sharedfolders(self):
        '''
            Test to grant access to auto-mounted shared folders to the users.
        '''
        ret = {'name': 'AB',
               'changes': {},
               'result': True,
               'comment': ''}
        mock = MagicMock(side_effect=[['AB'], 'salt', 'salt', 'salt'])
        with patch.dict(vbox_guest.__salt__,
                        {"vbox_guest.list_shared_folders_users": mock,
                         "vbox_guest.grant_access_to_shared_folders_to": mock}
                        ):
            ret.update({'comment': 'System already in the correct state'})
            self.assert_method(ret)

            with patch.dict(vbox_guest.__opts__, {"test": True}):
                ret.update({'changes': {'new': ['AB'], 'old': 'salt'},
                            'comment': 'List of users who have access to'
                            ' auto-mounted shared folders will be changed',
                            'result': None})
                self.assert_method(ret)

            with patch.dict(vbox_guest.__opts__, {"test": False}):
                ret.update({'changes': {'new': 'salt', 'old': 'salt'},
                            'comment': 'List of users who have access to'
                            ' auto-mounted shared folders was changed',
                            'result': True})
                self.assert_method(ret)

    def assert_method(self, ret):
        '''
            Method call for assert statements
        '''
        self.assertDictEqual(vbox_guest.grant_access_to_shared_folders_to('AB'),
                             ret)