OpenStack Study: test_sizelimit.py

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# Copyright (c) 2013 OpenStack Foundation

#

# 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 webob

from keystone import config

from keystone import exception

from keystone import middleware

from keystone import tests

CONF = config.CONF

MAX_REQUEST_BODY_SIZE = CONF.max_request_body_size

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class TestRequestBodySizeLimiter(tests.TestCase):

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    def setUp(self):

        super(TestRequestBodySizeLimiter, self).setUp()

        @webob.dec.wsgify()

        def fake_app(req):

            return webob.Response(req.body)

        self.middleware = middleware.RequestBodySizeLimiter(fake_app)

        self.request = webob.Request.blank('/', method='POST')

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        def fake_app(req):

            return webob.Response(req.body)

        self.middleware = middleware.RequestBodySizeLimiter(fake_app)

        self.request = webob.Request.blank('/', method='POST')

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    def test_content_length_acceptable(self):

        self.request.headers['Content-Length'] = MAX_REQUEST_BODY_SIZE

        self.request.body = "0" * MAX_REQUEST_BODY_SIZE

        response = self.request.get_response(self.middleware)

        self.assertEqual(200, response.status_int)

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    def test_content_length_too_large(self):

        self.request.headers['Content-Length'] = MAX_REQUEST_BODY_SIZE + 1

        self.request.body = "0" * (MAX_REQUEST_BODY_SIZE + 1)

        self.assertRaises(exception.RequestTooLarge,

                          self.request.get_response,

                          self.middleware)

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    def test_request_too_large_no_content_length(self):

        self.request.body = "0" * (MAX_REQUEST_BODY_SIZE + 1)

        self.request.headers['Content-Length'] = None

        self.assertRaises(exception.RequestTooLarge,

                          self.request.get_response,

                          self.middleware)