103 lines
3.4 KiB
Python
103 lines
3.4 KiB
Python
# Copyright (c) 2012 OpenStack Foundation
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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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from oslo.config import cfg
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import six
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import webob
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from cinder.api.middleware import sizelimit
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from cinder import test
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CONF = cfg.CONF
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MAX_REQUEST_BODY_SIZE = CONF.osapi_max_request_body_size
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class TestLimitingReader(test.TestCase):
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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 = six.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_read, BYTES)
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bytes_read = 0
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data = six.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_read, BYTES)
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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 = six.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 = six.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.TestCase):
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def setUp(self):
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super(TestRequestBodySizeLimiter, self).setUp()
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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.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'] = MAX_REQUEST_BODY_SIZE
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self.request.body = "0" * MAX_REQUEST_BODY_SIZE
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response = self.request.get_response(self.middleware)
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self.assertEqual(response.status_int, 200)
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def test_content_length_too_large(self):
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self.request.headers['Content-Length'] = MAX_REQUEST_BODY_SIZE + 1
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self.request.body = "0" * (MAX_REQUEST_BODY_SIZE + 1)
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response = self.request.get_response(self.middleware)
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self.assertEqual(response.status_int, 413)
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def test_request_too_large_no_content_length(self):
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self.request.body = "0" * (MAX_REQUEST_BODY_SIZE + 1)
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self.request.headers['Content-Length'] = None
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response = self.request.get_response(self.middleware)
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self.assertEqual(response.status_int, 413)
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