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# 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 fixtures
from oslo_config import cfg
from oslo_config import fixture as cfg_fixture
from requests_mock.contrib import fixture as rm_fixture
import six
import webob.dec

from keystonemiddleware import auth_token
from keystonemiddleware.tests.unit import utils


class BaseAuthTokenTestCase(utils.BaseTestCase):

    def setUp(self):
        super(BaseAuthTokenTestCase, self).setUp()
        self.requests_mock = self.useFixture(rm_fixture.Fixture())
        self.logger = fixtures.FakeLogger(level=logging.DEBUG)
        self.cfg = self.useFixture(cfg_fixture.Config(conf=cfg.ConfigOpts()))

    def create_middleware(self, cb, conf=None, use_global_conf=False):

        @webob.dec.wsgify
        def _do_cb(req):
            return cb(req)

        if use_global_conf:
            opts = conf or {}
        else:
            opts = {
                'oslo_config_project': 'keystonemiddleware',
                'oslo_config_config': self.cfg.conf,
            }
            opts.update(conf or {})

        return auth_token.AuthProtocol(_do_cb, opts)

    def create_simple_middleware(self,
                                 status='200 OK',
                                 body='',
                                 headers=None,
                                 **kwargs):
        def cb(req):
            resp = webob.Response(body, status)
            resp.headers.update(headers or {})
            return resp

        return self.create_middleware(cb, **kwargs)

    @classmethod
    def call(cls, middleware, method='GET', path='/', headers=None):
        req = webob.Request.blank(path)
        req.method = method

        for k, v in six.iteritems(headers or {}):
            req.headers[k] = v

        resp = req.get_response(middleware)
        resp.request = req
        return resp