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# Copyright (C) 2005 Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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from cStringIO import StringIO
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from SimpleHTTPServer import SimpleHTTPRequestHandler
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from bzrlib.tests import TestCaseWithTransport
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from bzrlib.tests.HttpServer import (
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TestingHTTPRequestHandler,
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from bzrlib.transport import (
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class WallRequestHandler(TestingHTTPRequestHandler):
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"""Whatever request comes in, close the connection"""
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def handle_one_request(self):
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"""Handle a single HTTP request, by abruptly closing the connection"""
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self.close_connection = 1
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class BadStatusRequestHandler(TestingHTTPRequestHandler):
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"""Whatever request comes in, returns a bad status"""
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def parse_request(self):
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"""Fakes handling a single HTTP request, returns a bad status"""
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ignored = TestingHTTPRequestHandler.parse_request(self)
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self.send_response(0, "Bad status")
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except socket.error, e:
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# We don't want to pollute the test results with
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# spurious server errors while test succeed. In our
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# case, it may occur that the test has already read
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# the 'Bad Status' and closed the socket while we are
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# still trying to send some headers... So the test is
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# ok, but if we raise the exception, the output is
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# dirty. So we don't raise, but we close the
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# connection, just to be safe :)
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spurious = [errno.EPIPE,
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if (len(e.args) > 0) and (e.args[0] in spurious):
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self.close_connection = 1
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class InvalidStatusRequestHandler(TestingHTTPRequestHandler):
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"""Whatever request comes in, returns am invalid status"""
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def parse_request(self):
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"""Fakes handling a single HTTP request, returns a bad status"""
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ignored = TestingHTTPRequestHandler.parse_request(self)
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self.wfile.write("Invalid status line\r\n")
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class BadProtocolRequestHandler(TestingHTTPRequestHandler):
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"""Whatever request comes in, returns a bad protocol version"""
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def parse_request(self):
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"""Fakes handling a single HTTP request, returns a bad status"""
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ignored = TestingHTTPRequestHandler.parse_request(self)
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# Returns an invalid protocol version, but curl just
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# ignores it and those cannot be tested.
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self.wfile.write("%s %d %s\r\n" % ('HTTP/0.0',
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'Look at my protocol version'))
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class ForbiddenRequestHandler(TestingHTTPRequestHandler):
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"""Whatever request comes in, returns a 403 code"""
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def parse_request(self):
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"""Handle a single HTTP request, by replying we cannot handle it"""
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ignored = TestingHTTPRequestHandler.parse_request(self)
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class HTTPServerWithSmarts(HttpServer):
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"""HTTPServerWithSmarts extends the HttpServer with POST methods that will
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trigger a smart server to execute with a transport rooted at the rootdir of
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HttpServer.__init__(self, SmartRequestHandler)
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class SmartRequestHandler(TestingHTTPRequestHandler):
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"""Extend TestingHTTPRequestHandler to support smart client POSTs."""
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"""Hand the request off to a smart server instance."""
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self.send_response(200)
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self.send_header("Content-type", "application/octet-stream")
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transport = get_transport(self.server.test_case._home_dir)
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# TODO: We might like to support streaming responses. 1.0 allows no
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# Content-length in this case, so for integrity we should perform our
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# own chunking within the stream.
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# 1.1 allows chunked responses, and in this case we could chunk using
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# the HTTP chunking as this will allow HTTP persistence safely, even if
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# we have to stop early due to error, but we would also have to use the
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# HTTP trailer facility which may not be widely available.
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out_buffer = StringIO()
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smart_protocol_request = smart.SmartServerRequestProtocolOne(
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transport, out_buffer.write)
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# if this fails, we should return 400 bad request, but failure is
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# failure for now - RBC 20060919
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data_length = int(self.headers['Content-Length'])
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# Perhaps there should be a SmartServerHTTPMedium that takes care of
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# feeding the bytes in the http request to the smart_protocol_request,
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# but for now it's simpler to just feed the bytes directly.
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smart_protocol_request.accept_bytes(self.rfile.read(data_length))
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assert smart_protocol_request.next_read_size() == 0, (
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"not finished reading, but all data sent to protocol.")
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self.send_header("Content-Length", str(len(out_buffer.getvalue())))
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self.wfile.write(out_buffer.getvalue())
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class SingleRangeRequestHandler(TestingHTTPRequestHandler):
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"""Always reply to range request as if they were single.
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Don't be explicit about it, just to annoy the clients.
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def get_multiple_ranges(self, file, file_size, ranges):
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"""Answer as if it was a single range request and ignores the rest"""
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(start, end) = ranges[0]
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return self.get_single_range(file, file_size, start, end)
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class NoRangeRequestHandler(TestingHTTPRequestHandler):
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"""Ignore range requests without notice"""
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# Just bypass the range handling done by TestingHTTPRequestHandler
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do_GET = SimpleHTTPRequestHandler.do_GET
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class TestCaseWithWebserver(TestCaseWithTransport):
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"""A support class that provides readonly urls that are http://.
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This is done by forcing the readonly server to be an http
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one. This will currently fail if the primary transport is not
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backed by regular disk files.
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super(TestCaseWithWebserver, self).setUp()
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self.transport_readonly_server = HttpServer
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class TestCaseWithTwoWebservers(TestCaseWithWebserver):
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"""A support class providinf readonly urls (on two servers) that are http://.
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We setup two webservers to allows various tests involving
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proxies or redirections from one server to the other.
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super(TestCaseWithTwoWebservers, self).setUp()
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self.transport_secondary_server = HttpServer
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self.__secondary_server = None
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def create_transport_secondary_server(self):
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"""Create a transport server from class defined at init.
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This is mostly a hook for daughter classes.
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return self.transport_secondary_server()
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def get_secondary_server(self):
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"""Get the server instance for the secondary transport."""
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if self.__secondary_server is None:
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self.__secondary_server = self.create_transport_secondary_server()
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self.__secondary_server.setUp()
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self.addCleanup(self.__secondary_server.tearDown)
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return self.__secondary_server
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class FakeProxyRequestHandler(TestingHTTPRequestHandler):
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"""Append a '-proxied' suffix to file served"""
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def translate_path(self, path):
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# We need to act as a proxy and accept absolute urls,
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# which SimpleHTTPRequestHandler (grand parent) is not
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# ready for. So we just drop the protocol://host:port
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# part in front of the request-url (because we know we
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# would not forward the request to *another* proxy).
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# So we do what SimpleHTTPRequestHandler.translate_path
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# do beginning with python 2.4.3: abandon query
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# parameters, scheme, host port, etc (which ensure we
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# provide the right behaviour on all python versions).
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path = urlparse.urlparse(path)[2]
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# And now, we can apply *our* trick to proxy files
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self.path += '-proxied'
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# An finally we leave our mother class do whatever it
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# wants with the path
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return TestingHTTPRequestHandler.translate_path(self, path)
added
removed
bzrlib/tests/HTTPTestUtil.py
