"""
Copyright 2015 Rackspace

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 logging
import os

import oslotest.base as oslotest
from barbicanclient import client
from keystoneclient.auth import identity
from keystoneclient import session
from tempest import config

CONF = config.CONF

# Use local tempest conf if one is available.
# This usually means we're running tests outside of devstack
if os.path.exists('./etc/functional_tests.conf'):
    CONF.set_config_path('./etc/functional_tests.conf')


class TestCase(oslotest.BaseTestCase):
    max_payload_size = CONF.keymanager.max_payload_size
    max_sized_payload = u'a' * max_payload_size
    oversized_payload = 'a' * (max_payload_size + 1)
    max_field_size = 255
    max_sized_field = 'a' * max_field_size
    oversized_field = 'a' * (max_field_size + 1)

    @classmethod
    def setUpClass(cls):
        cls.LOG = logging.getLogger(cls._get_full_case_name())
        super(TestCase, cls).setUpClass()

    def setUp(self):
        self.LOG.info('Starting: %s', self._testMethodName)
        super(TestCase, self).setUp()

        if 'v2' in CONF.identity.auth_version:
            self.auth = identity.v2.Password(
                auth_url=CONF.identity.uri,
                username=CONF.keymanager.username,
                password=CONF.keymanager.password,
                tenant_name=CONF.keymanager.project_name)
        else:
            self.auth = identity.v3.Password(
                auth_url=CONF.identity.uri_v3,
                username=CONF.keymanager.username,
                user_domain_name=CONF.identity.domain_name,
                password=CONF.keymanager.password,
                project_name=CONF.keymanager.project_name,
                project_domain_name=CONF.keymanager.project_domain_name)

        self.sess = session.Session(auth=self.auth)
        self.barbicanclient = client.Client(
            endpoint=CONF.keymanager.url,
            project_id=CONF.keymanager.project_id,
            session=self.sess)

    def tearDown(self):
        super(TestCase, self).tearDown()
        self.LOG.info('Finished: %s\n', self._testMethodName)

    @classmethod
    def _get_full_case_name(cls):
        name = '{module}:{case_name}'.format(
            module=cls.__module__,
            case_name=cls.__name__
        )
        return name