# -*- coding: utf-8 -*-
# Copyright 2016 LasLabs Inc.
# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl.html).

import mock

from contextlib import contextmanager

from flectra.tests.common import TransactionCase

from ..controllers import main


IMPORT = 'flectra.addons.password_security.controllers.main'


class EndTestException(Exception):
    """ It allows for isolation of resources by raise """


class TestPasswordSecuritySession(TransactionCase):

    def setUp(self):
        super(TestPasswordSecuritySession, self).setUp()
        self.PasswordSecuritySession = main.PasswordSecuritySession
        self.password_security_session = self.PasswordSecuritySession()
        self.passwd = 'I am a password!'
        self.fields = [
            {'name': 'new_password', 'value': self.passwd},
        ]

    @contextmanager
    def mock_assets(self):
        """ It mocks and returns assets used by this controller """
        with mock.patch('%s.request' % IMPORT) as request:
            yield {
                'request': request,
            }

    def test_change_password_check(self):
        """ It should check password on request user """
        with self.mock_assets() as assets:
            check_password = assets['request'].env.user._check_password
            check_password.side_effect = EndTestException
            with self.assertRaises(EndTestException):
                self.password_security_session.change_password(self.fields)
            check_password.assert_called_once_with(
                self.passwd,
            )

    def test_change_password_return(self):
        """ It should return result of super """
        with self.mock_assets():
            with mock.patch.object(main.Session, 'change_password') as chg:
                res = self.password_security_session.change_password(
                    self.fields
                )
                self.assertEqual(chg(), res)