# Copyright 2016 AT&T Corp
# All Rights Reserved.
#
#    Licensed under the Apache License, Version 2.0 (the "License"); you may
#    not use this file except in compliance with the License. You may obtain
#    a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#    License for the specific language governing permissions and limitations
#    under the License.

import oslo_concurrency

from oslo_log import log as logging
from ranger_tempest_plugin import clients
from tempest import config
from tempest import test
from tempest.lib import exceptions

CONF = config.CONF
LOG = logging.getLogger(__name__)

PREFIX = 'alt_region'
oslo_concurrency.lockutils.set_defaults(CONF.oslo_concurrency.lock_path)
SYNC = oslo_concurrency.lockutils.synchronized_with_prefix(PREFIX)


class BaseOrmTest(test.BaseTestCase):

    client_manager = clients.OrmClientManager
    credentials = ['admin', 'primary', 'alt']
    identity_url = CONF.identity.uri_v3 or ""
    identity_url = identity_url.strip('/v3')
    build_timeout = 120
    image_build_timeout = 300
    build_interval = 10

    @classmethod
    def setup_credentials(cls):
        cls.set_network_resources()
        super(BaseOrmTest, cls).setup_credentials()

    @classmethod
    def setup_clients(cls):
        cls.project_client = cls.os_admin.projects_client
        cls.region_client = cls.os_admin.rms_client

        super(BaseOrmTest, cls).setup_clients()

    @classmethod
    def resource_setup(cls):
        super(BaseOrmTest, cls).resource_setup()
        try:
            # check if ranger region exists
            cls.region_client.get_region(CONF.identity.region)
        except Exception as exp:
            skip_msg = "Ranger services unavailable: {}".format(
                str(exp))
            raise cls.skipException(skip_msg)

        try:
            # alt_region_available is True, skip tests and warn
            #  if alt_region doesn't exist
            if CONF.ranger.alt_region_available is True:
                cls.region_client.get_region(CONF.ranger.alt_region)
        except exceptions.Unauthorized as e:
            skip_msg = ("Tests skipped as Ranger alt region does not exist."
                        " Create alternate ranger region before running"
                        " these tests again or change alt_region_available"
                        " to False to run against one site.")
            raise cls.skipException(skip_msg) from e

    def assert_expected(self, expected, actual, excluded_keys):
        for key, value in list(expected.items()):
            if key not in excluded_keys:
                self.assertIn(key, actual)
                self.assertEqual(value, actual[key], key)