104 lines
3.5 KiB
Python
104 lines
3.5 KiB
Python
# Copyright (c) 2012 Red Hat, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import io
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from oslo_config import fixture as config
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from oslotest import base as test_base
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import webob
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from oslo_middleware import sizelimit
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class TestLimitingReader(test_base.BaseTestCase):
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def test_limiting_reader(self):
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BYTES = 1024
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bytes_read = 0
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data = io.StringIO("*" * BYTES)
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for chunk in sizelimit.LimitingReader(data, BYTES):
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bytes_read += len(chunk)
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self.assertEqual(BYTES, bytes_read)
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bytes_read = 0
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data = io.StringIO("*" * BYTES)
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reader = sizelimit.LimitingReader(data, BYTES)
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byte = reader.read(1)
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while len(byte) != 0:
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bytes_read += 1
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byte = reader.read(1)
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self.assertEqual(BYTES, bytes_read)
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def test_read_default_value(self):
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BYTES = 1024
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data_str = "*" * BYTES
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data = io.StringIO(data_str)
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reader = sizelimit.LimitingReader(data, BYTES)
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res = reader.read()
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self.assertEqual(data_str, res)
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def test_limiting_reader_fails(self):
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BYTES = 1024
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def _consume_all_iter():
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bytes_read = 0
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data = io.StringIO("*" * BYTES)
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for chunk in sizelimit.LimitingReader(data, BYTES - 1):
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bytes_read += len(chunk)
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self.assertRaises(webob.exc.HTTPRequestEntityTooLarge,
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_consume_all_iter)
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def _consume_all_read():
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bytes_read = 0
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data = io.StringIO("*" * BYTES)
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reader = sizelimit.LimitingReader(data, BYTES - 1)
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byte = reader.read(1)
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while len(byte) != 0:
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bytes_read += 1
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byte = reader.read(1)
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self.assertRaises(webob.exc.HTTPRequestEntityTooLarge,
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_consume_all_read)
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class TestRequestBodySizeLimiter(test_base.BaseTestCase):
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def setUp(self):
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super(TestRequestBodySizeLimiter, self).setUp()
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self.useFixture(config.Config())
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@webob.dec.wsgify()
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def fake_app(req):
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return webob.Response(req.body)
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self.middleware = sizelimit.RequestBodySizeLimiter(fake_app)
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self.MAX_REQUEST_BODY_SIZE = (
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self.middleware.oslo_conf.oslo_middleware.max_request_body_size)
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self.request = webob.Request.blank('/', method='POST')
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def test_content_length_acceptable(self):
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self.request.headers['Content-Length'] = self.MAX_REQUEST_BODY_SIZE
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self.request.body = b"0" * self.MAX_REQUEST_BODY_SIZE
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response = self.request.get_response(self.middleware)
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self.assertEqual(200, response.status_int)
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def test_content_length_too_large(self):
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self.request.headers['Content-Length'] = self.MAX_REQUEST_BODY_SIZE + 1
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self.request.body = b"0" * (self.MAX_REQUEST_BODY_SIZE + 1)
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response = self.request.get_response(self.middleware)
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self.assertEqual(413, response.status_int)
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