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# Copyright (C) 2005, 2006, 2007, 2008, 2009 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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"""Tests for HTTP implementations.
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This module defines a load_tests() method that parametrize tests classes for
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transport implementation, http protocol versions and authentication schemes.
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# TODO: Should be renamed to bzrlib.transport.http.tests?
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# TODO: What about renaming to bzrlib.tests.transport.http ?
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from cStringIO import StringIO
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import SimpleHTTPServer
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remote as _mod_remote,
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from bzrlib.symbol_versioning import (
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from bzrlib.tests import (
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from bzrlib.transport import (
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from bzrlib.transport.http import (
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from bzrlib.transport.http._pycurl import PyCurlTransport
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except errors.DependencyNotPresent:
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pycurl_present = False
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def load_tests(standard_tests, module, loader):
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"""Multiply tests for http clients and protocol versions."""
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result = loader.suiteClass()
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# one for each transport implementation
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t_tests, remaining_tests = tests.split_suite_by_condition(
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standard_tests, tests.condition_isinstance((
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TestHttpTransportRegistration,
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TestHttpTransportUrls,
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transport_scenarios = [
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('urllib', dict(_transport=_urllib.HttpTransport_urllib,
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_server=http_server.HttpServer_urllib,
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_qualified_prefix='http+urllib',)),
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transport_scenarios.append(
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('pycurl', dict(_transport=PyCurlTransport,
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_server=http_server.HttpServer_PyCurl,
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_qualified_prefix='http+pycurl',)))
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tests.multiply_tests(t_tests, transport_scenarios, result)
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# each implementation tested with each HTTP version
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tp_tests, remaining_tests = tests.split_suite_by_condition(
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remaining_tests, tests.condition_isinstance((
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SmartHTTPTunnellingTest,
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TestDoCatchRedirections,
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TestHTTPRedirections,
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TestHTTPSilentRedirections,
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TestLimitedRangeRequestServer,
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TestSpecificRequestHandler,
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protocol_scenarios = [
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('HTTP/1.0', dict(_protocol_version='HTTP/1.0')),
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('HTTP/1.1', dict(_protocol_version='HTTP/1.1')),
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tp_scenarios = tests.multiply_scenarios(transport_scenarios,
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tests.multiply_tests(tp_tests, tp_scenarios, result)
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# proxy auth: each auth scheme on all http versions on all implementations.
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tppa_tests, remaining_tests = tests.split_suite_by_condition(
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remaining_tests, tests.condition_isinstance((
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proxy_auth_scheme_scenarios = [
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('basic', dict(_auth_server=http_utils.ProxyBasicAuthServer)),
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('digest', dict(_auth_server=http_utils.ProxyDigestAuthServer)),
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dict(_auth_server=http_utils.ProxyBasicAndDigestAuthServer)),
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tppa_scenarios = tests.multiply_scenarios(tp_scenarios,
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proxy_auth_scheme_scenarios)
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tests.multiply_tests(tppa_tests, tppa_scenarios, result)
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# auth: each auth scheme on all http versions on all implementations.
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tpa_tests, remaining_tests = tests.split_suite_by_condition(
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remaining_tests, tests.condition_isinstance((
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auth_scheme_scenarios = [
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('basic', dict(_auth_server=http_utils.HTTPBasicAuthServer)),
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('digest', dict(_auth_server=http_utils.HTTPDigestAuthServer)),
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dict(_auth_server=http_utils.HTTPBasicAndDigestAuthServer)),
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tpa_scenarios = tests.multiply_scenarios(tp_scenarios,
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auth_scheme_scenarios)
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tests.multiply_tests(tpa_tests, tpa_scenarios, result)
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# activity: on all http[s] versions on all implementations
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tpact_tests, remaining_tests = tests.split_suite_by_condition(
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remaining_tests, tests.condition_isinstance((
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activity_scenarios = [
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('urllib,http', dict(_activity_server=ActivityHTTPServer,
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_transport=_urllib.HttpTransport_urllib,)),
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if tests.HTTPSServerFeature.available():
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activity_scenarios.append(
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('urllib,https', dict(_activity_server=ActivityHTTPSServer,
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_transport=_urllib.HttpTransport_urllib,)),)
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activity_scenarios.append(
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('pycurl,http', dict(_activity_server=ActivityHTTPServer,
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_transport=PyCurlTransport,)),)
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if tests.HTTPSServerFeature.available():
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from bzrlib.tests import (
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# FIXME: Until we have a better way to handle self-signed
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# certificates (like allowing them in a test specific
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# authentication.conf for example), we need some specialized pycurl
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# transport for tests.
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class HTTPS_pycurl_transport(PyCurlTransport):
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def __init__(self, base, _from_transport=None):
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super(HTTPS_pycurl_transport, self).__init__(
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base, _from_transport)
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self.cabundle = str(ssl_certs.build_path('ca.crt'))
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activity_scenarios.append(
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('pycurl,https', dict(_activity_server=ActivityHTTPSServer,
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_transport=HTTPS_pycurl_transport,)),)
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tpact_scenarios = tests.multiply_scenarios(activity_scenarios,
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tests.multiply_tests(tpact_tests, tpact_scenarios, result)
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# No parametrization for the remaining tests
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result.addTests(remaining_tests)
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class FakeManager(object):
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self.credentials = []
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def add_password(self, realm, host, username, password):
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self.credentials.append([realm, host, username, password])
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class RecordingServer(object):
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"""A fake HTTP server.
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It records the bytes sent to it, and replies with a 200.
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def __init__(self, expect_body_tail=None):
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:type expect_body_tail: str
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:param expect_body_tail: a reply won't be sent until this string is
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self._expect_body_tail = expect_body_tail
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self.received_bytes = ''
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self._sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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self._sock.bind(('127.0.0.1', 0))
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self.host, self.port = self._sock.getsockname()
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self._ready = threading.Event()
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self._thread = threading.Thread(target=self._accept_read_and_reply)
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self._thread.setDaemon(True)
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def _accept_read_and_reply(self):
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self._sock.settimeout(5)
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conn, address = self._sock.accept()
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# On win32, the accepted connection will be non-blocking to start
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# with because we're using settimeout.
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conn.setblocking(True)
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while not self.received_bytes.endswith(self._expect_body_tail):
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self.received_bytes += conn.recv(4096)
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conn.sendall('HTTP/1.1 200 OK\r\n')
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except socket.timeout:
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# Make sure the client isn't stuck waiting for us to e.g. accept.
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# The client may have already closed the socket.
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# We might have already closed it. We don't care.
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class TestAuthHeader(tests.TestCase):
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def parse_header(self, header, auth_handler_class=None):
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if auth_handler_class is None:
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auth_handler_class = _urllib2_wrappers.AbstractAuthHandler
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self.auth_handler = auth_handler_class()
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return self.auth_handler._parse_auth_header(header)
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def test_empty_header(self):
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scheme, remainder = self.parse_header('')
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self.assertEquals('', scheme)
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self.assertIs(None, remainder)
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def test_negotiate_header(self):
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scheme, remainder = self.parse_header('Negotiate')
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self.assertEquals('negotiate', scheme)
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self.assertIs(None, remainder)
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def test_basic_header(self):
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scheme, remainder = self.parse_header(
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'Basic realm="Thou should not pass"')
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self.assertEquals('basic', scheme)
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self.assertEquals('realm="Thou should not pass"', remainder)
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def test_basic_extract_realm(self):
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scheme, remainder = self.parse_header(
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'Basic realm="Thou should not pass"',
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_urllib2_wrappers.BasicAuthHandler)
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match, realm = self.auth_handler.extract_realm(remainder)
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self.assertTrue(match is not None)
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self.assertEquals('Thou should not pass', realm)
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def test_digest_header(self):
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scheme, remainder = self.parse_header(
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'Digest realm="Thou should not pass"')
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self.assertEquals('digest', scheme)
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self.assertEquals('realm="Thou should not pass"', remainder)
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class TestHTTPServer(tests.TestCase):
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"""Test the HTTP servers implementations."""
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def test_invalid_protocol(self):
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class BogusRequestHandler(http_server.TestingHTTPRequestHandler):
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protocol_version = 'HTTP/0.1'
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server = http_server.HttpServer(BogusRequestHandler)
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self.assertRaises(httplib.UnknownProtocol, server.setUp)
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self.fail('HTTP Server creation did not raise UnknownProtocol')
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def test_force_invalid_protocol(self):
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server = http_server.HttpServer(protocol_version='HTTP/0.1')
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self.assertRaises(httplib.UnknownProtocol, server.setUp)
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self.fail('HTTP Server creation did not raise UnknownProtocol')
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def test_server_start_and_stop(self):
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server = http_server.HttpServer()
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self.assertTrue(server._http_running)
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self.assertFalse(server._http_running)
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def test_create_http_server_one_zero(self):
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class RequestHandlerOneZero(http_server.TestingHTTPRequestHandler):
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protocol_version = 'HTTP/1.0'
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server = http_server.HttpServer(RequestHandlerOneZero)
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self.start_server(server)
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self.assertIsInstance(server._httpd, http_server.TestingHTTPServer)
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def test_create_http_server_one_one(self):
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class RequestHandlerOneOne(http_server.TestingHTTPRequestHandler):
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protocol_version = 'HTTP/1.1'
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server = http_server.HttpServer(RequestHandlerOneOne)
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self.start_server(server)
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self.assertIsInstance(server._httpd,
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http_server.TestingThreadingHTTPServer)
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def test_create_http_server_force_one_one(self):
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class RequestHandlerOneZero(http_server.TestingHTTPRequestHandler):
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protocol_version = 'HTTP/1.0'
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server = http_server.HttpServer(RequestHandlerOneZero,
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protocol_version='HTTP/1.1')
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self.start_server(server)
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self.assertIsInstance(server._httpd,
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http_server.TestingThreadingHTTPServer)
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def test_create_http_server_force_one_zero(self):
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class RequestHandlerOneOne(http_server.TestingHTTPRequestHandler):
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protocol_version = 'HTTP/1.1'
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server = http_server.HttpServer(RequestHandlerOneOne,
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protocol_version='HTTP/1.0')
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self.start_server(server)
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self.assertIsInstance(server._httpd,
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http_server.TestingHTTPServer)
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class TestWithTransport_pycurl(object):
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"""Test case to inherit from if pycurl is present"""
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def _get_pycurl_maybe(self):
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from bzrlib.transport.http._pycurl import PyCurlTransport
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return PyCurlTransport
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except errors.DependencyNotPresent:
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raise tests.TestSkipped('pycurl not present')
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_transport = property(_get_pycurl_maybe)
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class TestHttpUrls(tests.TestCase):
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# TODO: This should be moved to authorization tests once they
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def test_url_parsing(self):
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url = http.extract_auth('http://example.com', f)
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self.assertEquals('http://example.com', url)
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self.assertEquals(0, len(f.credentials))
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url = http.extract_auth(
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'http://user:pass@www.bazaar-vcs.org/bzr/bzr.dev', f)
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self.assertEquals('http://www.bazaar-vcs.org/bzr/bzr.dev', url)
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self.assertEquals(1, len(f.credentials))
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self.assertEquals([None, 'www.bazaar-vcs.org', 'user', 'pass'],
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class TestHttpTransportUrls(tests.TestCase):
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"""Test the http urls."""
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def test_abs_url(self):
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"""Construction of absolute http URLs"""
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t = self._transport('http://bazaar-vcs.org/bzr/bzr.dev/')
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eq = self.assertEqualDiff
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eq(t.abspath('.'), 'http://bazaar-vcs.org/bzr/bzr.dev')
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eq(t.abspath('foo/bar'), 'http://bazaar-vcs.org/bzr/bzr.dev/foo/bar')
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eq(t.abspath('.bzr'), 'http://bazaar-vcs.org/bzr/bzr.dev/.bzr')
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eq(t.abspath('.bzr/1//2/./3'),
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'http://bazaar-vcs.org/bzr/bzr.dev/.bzr/1/2/3')
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def test_invalid_http_urls(self):
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"""Trap invalid construction of urls"""
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t = self._transport('http://bazaar-vcs.org/bzr/bzr.dev/')
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self.assertRaises(errors.InvalidURL,
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'http://http://bazaar-vcs.org/bzr/bzr.dev/')
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def test_http_root_urls(self):
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"""Construction of URLs from server root"""
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t = self._transport('http://bzr.ozlabs.org/')
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eq = self.assertEqualDiff
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eq(t.abspath('.bzr/tree-version'),
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'http://bzr.ozlabs.org/.bzr/tree-version')
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def test_http_impl_urls(self):
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"""There are servers which ask for particular clients to connect"""
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server = self._server()
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url = server.get_url()
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self.assertTrue(url.startswith('%s://' % self._qualified_prefix))
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class TestHttps_pycurl(TestWithTransport_pycurl, tests.TestCase):
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# TODO: This should really be moved into another pycurl
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# specific test. When https tests will be implemented, take
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# this one into account.
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def test_pycurl_without_https_support(self):
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"""Test that pycurl without SSL do not fail with a traceback.
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For the purpose of the test, we force pycurl to ignore
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https by supplying a fake version_info that do not
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raise tests.TestSkipped('pycurl not present')
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version_info_orig = pycurl.version_info
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# Now that we have pycurl imported, we can fake its version_info
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# This was taken from a windows pycurl without SSL
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pycurl.version_info = lambda : (2,
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('ftp', 'gopher', 'telnet',
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'dict', 'ldap', 'http', 'file'),
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self.assertRaises(errors.DependencyNotPresent, self._transport,
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'https://launchpad.net')
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# Restore the right function
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pycurl.version_info = version_info_orig
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class TestHTTPConnections(http_utils.TestCaseWithWebserver):
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"""Test the http connections."""
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http_utils.TestCaseWithWebserver.setUp(self)
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self.build_tree(['foo/', 'foo/bar'], line_endings='binary',
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transport=self.get_transport())
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def test_http_has(self):
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server = self.get_readonly_server()
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t = self._transport(server.get_url())
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self.assertEqual(t.has('foo/bar'), True)
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self.assertEqual(len(server.logs), 1)
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self.assertContainsRe(server.logs[0],
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r'"HEAD /foo/bar HTTP/1.." (200|302) - "-" "bzr/')
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def test_http_has_not_found(self):
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server = self.get_readonly_server()
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t = self._transport(server.get_url())
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self.assertEqual(t.has('not-found'), False)
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self.assertContainsRe(server.logs[1],
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r'"HEAD /not-found HTTP/1.." 404 - "-" "bzr/')
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def test_http_get(self):
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server = self.get_readonly_server()
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t = self._transport(server.get_url())
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fp = t.get('foo/bar')
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self.assertEqualDiff(
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'contents of foo/bar\n')
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self.assertEqual(len(server.logs), 1)
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self.assertTrue(server.logs[0].find(
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'"GET /foo/bar HTTP/1.1" 200 - "-" "bzr/%s'
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% bzrlib.__version__) > -1)
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def test_has_on_bogus_host(self):
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# Get a free address and don't 'accept' on it, so that we
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# can be sure there is no http handler there, but set a
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# reasonable timeout to not slow down tests too much.
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default_timeout = socket.getdefaulttimeout()
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socket.setdefaulttimeout(2)
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s.bind(('localhost', 0))
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t = self._transport('http://%s:%s/' % s.getsockname())
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self.assertRaises(errors.ConnectionError, t.has, 'foo/bar')
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socket.setdefaulttimeout(default_timeout)
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class TestHttpTransportRegistration(tests.TestCase):
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"""Test registrations of various http implementations"""
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def test_http_registered(self):
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t = transport.get_transport('%s://foo.com/' % self._qualified_prefix)
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self.assertIsInstance(t, transport.Transport)
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self.assertIsInstance(t, self._transport)
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class TestPost(tests.TestCase):
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def test_post_body_is_received(self):
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server = RecordingServer(expect_body_tail='end-of-body')
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self.start_server(server)
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scheme = self._qualified_prefix
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url = '%s://%s:%s/' % (scheme, server.host, server.port)
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http_transport = self._transport(url)
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code, response = http_transport._post('abc def end-of-body')
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server.received_bytes.startswith('POST /.bzr/smart HTTP/1.'))
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self.assertTrue('content-length: 19\r' in server.received_bytes.lower())
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# The transport should not be assuming that the server can accept
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# chunked encoding the first time it connects, because HTTP/1.1, so we
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# check for the literal string.
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server.received_bytes.endswith('\r\n\r\nabc def end-of-body'))
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class TestRangeHeader(tests.TestCase):
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"""Test range_header method"""
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def check_header(self, value, ranges=[], tail=0):
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offsets = [ (start, end - start + 1) for start, end in ranges]
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coalesce = transport.Transport._coalesce_offsets
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coalesced = list(coalesce(offsets, limit=0, fudge_factor=0))
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range_header = http.HttpTransportBase._range_header
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self.assertEqual(value, range_header(coalesced, tail))
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def test_range_header_single(self):
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self.check_header('0-9', ranges=[(0,9)])
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self.check_header('100-109', ranges=[(100,109)])
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def test_range_header_tail(self):
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self.check_header('-10', tail=10)
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self.check_header('-50', tail=50)
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def test_range_header_multi(self):
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self.check_header('0-9,100-200,300-5000',
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ranges=[(0,9), (100, 200), (300,5000)])
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def test_range_header_mixed(self):
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self.check_header('0-9,300-5000,-50',
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ranges=[(0,9), (300,5000)],
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class TestSpecificRequestHandler(http_utils.TestCaseWithWebserver):
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"""Tests a specific request handler.
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Daughter classes are expected to override _req_handler_class
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# Provide a useful default
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_req_handler_class = http_server.TestingHTTPRequestHandler
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def create_transport_readonly_server(self):
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return http_server.HttpServer(self._req_handler_class,
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protocol_version=self._protocol_version)
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def _testing_pycurl(self):
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return pycurl_present and self._transport == PyCurlTransport
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class WallRequestHandler(http_server.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 TestWallServer(TestSpecificRequestHandler):
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"""Tests exceptions during the connection phase"""
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_req_handler_class = WallRequestHandler
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def test_http_has(self):
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server = self.get_readonly_server()
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t = self._transport(server.get_url())
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# Unfortunately httplib (see HTTPResponse._read_status
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# for details) make no distinction between a closed
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# socket and badly formatted status line, so we can't
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# just test for ConnectionError, we have to test
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# InvalidHttpResponse too. And pycurl may raise ConnectionReset
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# instead of ConnectionError too.
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self.assertRaises(( errors.ConnectionError, errors.ConnectionReset,
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errors.InvalidHttpResponse),
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def test_http_get(self):
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server = self.get_readonly_server()
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t = self._transport(server.get_url())
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self.assertRaises((errors.ConnectionError, errors.ConnectionReset,
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errors.InvalidHttpResponse),
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class BadStatusRequestHandler(http_server.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 = http_server.TestingHTTPRequestHandler.parse_request(self)
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self.send_response(0, "Bad status")
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self.close_connection = 1
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class TestBadStatusServer(TestSpecificRequestHandler):
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"""Tests bad status from server."""
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_req_handler_class = BadStatusRequestHandler
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def test_http_has(self):
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server = self.get_readonly_server()
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t = self._transport(server.get_url())
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self.assertRaises(errors.InvalidHttpResponse, t.has, 'foo/bar')
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def test_http_get(self):
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server = self.get_readonly_server()
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t = self._transport(server.get_url())
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self.assertRaises(errors.InvalidHttpResponse, t.get, 'foo/bar')
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class InvalidStatusRequestHandler(http_server.TestingHTTPRequestHandler):
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"""Whatever request comes in, returns an 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 = http_server.TestingHTTPRequestHandler.parse_request(self)
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self.wfile.write("Invalid status line\r\n")
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class TestInvalidStatusServer(TestBadStatusServer):
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"""Tests invalid status from server.
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Both implementations raises the same error as for a bad status.
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_req_handler_class = InvalidStatusRequestHandler
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def test_http_has(self):
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if self._testing_pycurl() and self._protocol_version == 'HTTP/1.1':
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raise tests.KnownFailure(
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'pycurl hangs if the server send back garbage')
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super(TestInvalidStatusServer, self).test_http_has()
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def test_http_get(self):
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if self._testing_pycurl() and self._protocol_version == 'HTTP/1.1':
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raise tests.KnownFailure(
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'pycurl hangs if the server send back garbage')
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super(TestInvalidStatusServer, self).test_http_get()
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class BadProtocolRequestHandler(http_server.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 = http_server.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 TestBadProtocolServer(TestSpecificRequestHandler):
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"""Tests bad protocol from server."""
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_req_handler_class = BadProtocolRequestHandler
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if pycurl_present and self._transport == PyCurlTransport:
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raise tests.TestNotApplicable(
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"pycurl doesn't check the protocol version")
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super(TestBadProtocolServer, self).setUp()
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def test_http_has(self):
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server = self.get_readonly_server()
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t = self._transport(server.get_url())
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self.assertRaises(errors.InvalidHttpResponse, t.has, 'foo/bar')
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def test_http_get(self):
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server = self.get_readonly_server()
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t = self._transport(server.get_url())
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self.assertRaises(errors.InvalidHttpResponse, t.get, 'foo/bar')
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class ForbiddenRequestHandler(http_server.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"""
738
ignored = http_server.TestingHTTPRequestHandler.parse_request(self)
743
class TestForbiddenServer(TestSpecificRequestHandler):
744
"""Tests forbidden server"""
746
_req_handler_class = ForbiddenRequestHandler
748
def test_http_has(self):
749
server = self.get_readonly_server()
750
t = self._transport(server.get_url())
751
self.assertRaises(errors.TransportError, t.has, 'foo/bar')
753
def test_http_get(self):
754
server = self.get_readonly_server()
755
t = self._transport(server.get_url())
756
self.assertRaises(errors.TransportError, t.get, 'foo/bar')
759
class TestRecordingServer(tests.TestCase):
761
def test_create(self):
762
server = RecordingServer(expect_body_tail=None)
763
self.assertEqual('', server.received_bytes)
764
self.assertEqual(None, server.host)
765
self.assertEqual(None, server.port)
767
def test_setUp_and_tearDown(self):
768
server = RecordingServer(expect_body_tail=None)
771
self.assertNotEqual(None, server.host)
772
self.assertNotEqual(None, server.port)
775
self.assertEqual(None, server.host)
776
self.assertEqual(None, server.port)
778
def test_send_receive_bytes(self):
779
server = RecordingServer(expect_body_tail='c')
780
self.start_server(server)
781
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
782
sock.connect((server.host, server.port))
784
self.assertEqual('HTTP/1.1 200 OK\r\n',
785
osutils.recv_all(sock, 4096))
786
self.assertEqual('abc', server.received_bytes)
789
class TestRangeRequestServer(TestSpecificRequestHandler):
790
"""Tests readv requests against server.
792
We test against default "normal" server.
796
super(TestRangeRequestServer, self).setUp()
797
self.build_tree_contents([('a', '0123456789')],)
799
def test_readv(self):
800
server = self.get_readonly_server()
801
t = self._transport(server.get_url())
802
l = list(t.readv('a', ((0, 1), (1, 1), (3, 2), (9, 1))))
803
self.assertEqual(l[0], (0, '0'))
804
self.assertEqual(l[1], (1, '1'))
805
self.assertEqual(l[2], (3, '34'))
806
self.assertEqual(l[3], (9, '9'))
808
def test_readv_out_of_order(self):
809
server = self.get_readonly_server()
810
t = self._transport(server.get_url())
811
l = list(t.readv('a', ((1, 1), (9, 1), (0, 1), (3, 2))))
812
self.assertEqual(l[0], (1, '1'))
813
self.assertEqual(l[1], (9, '9'))
814
self.assertEqual(l[2], (0, '0'))
815
self.assertEqual(l[3], (3, '34'))
817
def test_readv_invalid_ranges(self):
818
server = self.get_readonly_server()
819
t = self._transport(server.get_url())
821
# This is intentionally reading off the end of the file
822
# since we are sure that it cannot get there
823
self.assertListRaises((errors.InvalidRange, errors.ShortReadvError,),
824
t.readv, 'a', [(1,1), (8,10)])
826
# This is trying to seek past the end of the file, it should
827
# also raise a special error
828
self.assertListRaises((errors.InvalidRange, errors.ShortReadvError,),
829
t.readv, 'a', [(12,2)])
831
def test_readv_multiple_get_requests(self):
832
server = self.get_readonly_server()
833
t = self._transport(server.get_url())
834
# force transport to issue multiple requests
835
t._max_readv_combine = 1
836
t._max_get_ranges = 1
837
l = list(t.readv('a', ((0, 1), (1, 1), (3, 2), (9, 1))))
838
self.assertEqual(l[0], (0, '0'))
839
self.assertEqual(l[1], (1, '1'))
840
self.assertEqual(l[2], (3, '34'))
841
self.assertEqual(l[3], (9, '9'))
842
# The server should have issued 4 requests
843
self.assertEqual(4, server.GET_request_nb)
845
def test_readv_get_max_size(self):
846
server = self.get_readonly_server()
847
t = self._transport(server.get_url())
848
# force transport to issue multiple requests by limiting the number of
849
# bytes by request. Note that this apply to coalesced offsets only, a
850
# single range will keep its size even if bigger than the limit.
852
l = list(t.readv('a', ((0, 1), (1, 1), (2, 4), (6, 4))))
853
self.assertEqual(l[0], (0, '0'))
854
self.assertEqual(l[1], (1, '1'))
855
self.assertEqual(l[2], (2, '2345'))
856
self.assertEqual(l[3], (6, '6789'))
857
# The server should have issued 3 requests
858
self.assertEqual(3, server.GET_request_nb)
860
def test_complete_readv_leave_pipe_clean(self):
861
server = self.get_readonly_server()
862
t = self._transport(server.get_url())
863
# force transport to issue multiple requests
865
l = list(t.readv('a', ((0, 1), (1, 1), (2, 4), (6, 4))))
866
# The server should have issued 3 requests
867
self.assertEqual(3, server.GET_request_nb)
868
self.assertEqual('0123456789', t.get_bytes('a'))
869
self.assertEqual(4, server.GET_request_nb)
871
def test_incomplete_readv_leave_pipe_clean(self):
872
server = self.get_readonly_server()
873
t = self._transport(server.get_url())
874
# force transport to issue multiple requests
876
# Don't collapse readv results into a list so that we leave unread
877
# bytes on the socket
878
ireadv = iter(t.readv('a', ((0, 1), (1, 1), (2, 4), (6, 4))))
879
self.assertEqual((0, '0'), ireadv.next())
880
# The server should have issued one request so far
881
self.assertEqual(1, server.GET_request_nb)
882
self.assertEqual('0123456789', t.get_bytes('a'))
883
# get_bytes issued an additional request, the readv pending ones are
885
self.assertEqual(2, server.GET_request_nb)
888
class SingleRangeRequestHandler(http_server.TestingHTTPRequestHandler):
889
"""Always reply to range request as if they were single.
891
Don't be explicit about it, just to annoy the clients.
894
def get_multiple_ranges(self, file, file_size, ranges):
895
"""Answer as if it was a single range request and ignores the rest"""
896
(start, end) = ranges[0]
897
return self.get_single_range(file, file_size, start, end)
900
class TestSingleRangeRequestServer(TestRangeRequestServer):
901
"""Test readv against a server which accept only single range requests"""
903
_req_handler_class = SingleRangeRequestHandler
906
class SingleOnlyRangeRequestHandler(http_server.TestingHTTPRequestHandler):
907
"""Only reply to simple range requests, errors out on multiple"""
909
def get_multiple_ranges(self, file, file_size, ranges):
910
"""Refuses the multiple ranges request"""
913
self.send_error(416, "Requested range not satisfiable")
915
(start, end) = ranges[0]
916
return self.get_single_range(file, file_size, start, end)
919
class TestSingleOnlyRangeRequestServer(TestRangeRequestServer):
920
"""Test readv against a server which only accept single range requests"""
922
_req_handler_class = SingleOnlyRangeRequestHandler
925
class NoRangeRequestHandler(http_server.TestingHTTPRequestHandler):
926
"""Ignore range requests without notice"""
929
# Update the statistics
930
self.server.test_case_server.GET_request_nb += 1
931
# Just bypass the range handling done by TestingHTTPRequestHandler
932
return SimpleHTTPServer.SimpleHTTPRequestHandler.do_GET(self)
935
class TestNoRangeRequestServer(TestRangeRequestServer):
936
"""Test readv against a server which do not accept range requests"""
938
_req_handler_class = NoRangeRequestHandler
941
class MultipleRangeWithoutContentLengthRequestHandler(
942
http_server.TestingHTTPRequestHandler):
943
"""Reply to multiple range requests without content length header."""
945
def get_multiple_ranges(self, file, file_size, ranges):
946
self.send_response(206)
947
self.send_header('Accept-Ranges', 'bytes')
948
boundary = "%d" % random.randint(0,0x7FFFFFFF)
949
self.send_header("Content-Type",
950
"multipart/byteranges; boundary=%s" % boundary)
952
for (start, end) in ranges:
953
self.wfile.write("--%s\r\n" % boundary)
954
self.send_header("Content-type", 'application/octet-stream')
955
self.send_header("Content-Range", "bytes %d-%d/%d" % (start,
959
self.send_range_content(file, start, end - start + 1)
961
self.wfile.write("--%s\r\n" % boundary)
964
class TestMultipleRangeWithoutContentLengthServer(TestRangeRequestServer):
966
_req_handler_class = MultipleRangeWithoutContentLengthRequestHandler
969
class TruncatedMultipleRangeRequestHandler(
970
http_server.TestingHTTPRequestHandler):
971
"""Reply to multiple range requests truncating the last ones.
973
This server generates responses whose Content-Length describes all the
974
ranges, but fail to include the last ones leading to client short reads.
975
This has been observed randomly with lighttpd (bug #179368).
978
_truncated_ranges = 2
980
def get_multiple_ranges(self, file, file_size, ranges):
981
self.send_response(206)
982
self.send_header('Accept-Ranges', 'bytes')
984
self.send_header('Content-Type',
985
'multipart/byteranges; boundary=%s' % boundary)
986
boundary_line = '--%s\r\n' % boundary
987
# Calculate the Content-Length
989
for (start, end) in ranges:
990
content_length += len(boundary_line)
991
content_length += self._header_line_length(
992
'Content-type', 'application/octet-stream')
993
content_length += self._header_line_length(
994
'Content-Range', 'bytes %d-%d/%d' % (start, end, file_size))
995
content_length += len('\r\n') # end headers
996
content_length += end - start # + 1
997
content_length += len(boundary_line)
998
self.send_header('Content-length', content_length)
1001
# Send the multipart body
1003
for (start, end) in ranges:
1004
self.wfile.write(boundary_line)
1005
self.send_header('Content-type', 'application/octet-stream')
1006
self.send_header('Content-Range', 'bytes %d-%d/%d'
1007
% (start, end, file_size))
1009
if cur + self._truncated_ranges >= len(ranges):
1010
# Abruptly ends the response and close the connection
1011
self.close_connection = 1
1013
self.send_range_content(file, start, end - start + 1)
1016
self.wfile.write(boundary_line)
1019
class TestTruncatedMultipleRangeServer(TestSpecificRequestHandler):
1021
_req_handler_class = TruncatedMultipleRangeRequestHandler
1024
super(TestTruncatedMultipleRangeServer, self).setUp()
1025
self.build_tree_contents([('a', '0123456789')],)
1027
def test_readv_with_short_reads(self):
1028
server = self.get_readonly_server()
1029
t = self._transport(server.get_url())
1030
# Force separate ranges for each offset
1031
t._bytes_to_read_before_seek = 0
1032
ireadv = iter(t.readv('a', ((0, 1), (2, 1), (4, 2), (9, 1))))
1033
self.assertEqual((0, '0'), ireadv.next())
1034
self.assertEqual((2, '2'), ireadv.next())
1035
if not self._testing_pycurl():
1036
# Only one request have been issued so far (except for pycurl that
1037
# try to read the whole response at once)
1038
self.assertEqual(1, server.GET_request_nb)
1039
self.assertEqual((4, '45'), ireadv.next())
1040
self.assertEqual((9, '9'), ireadv.next())
1041
# Both implementations issue 3 requests but:
1042
# - urllib does two multiple (4 ranges, then 2 ranges) then a single
1044
# - pycurl does two multiple (4 ranges, 4 ranges) then a single range
1045
self.assertEqual(3, server.GET_request_nb)
1046
# Finally the client have tried a single range request and stays in
1048
self.assertEqual('single', t._range_hint)
1050
class LimitedRangeRequestHandler(http_server.TestingHTTPRequestHandler):
1051
"""Errors out when range specifiers exceed the limit"""
1053
def get_multiple_ranges(self, file, file_size, ranges):
1054
"""Refuses the multiple ranges request"""
1055
tcs = self.server.test_case_server
1056
if tcs.range_limit is not None and len(ranges) > tcs.range_limit:
1058
# Emulate apache behavior
1059
self.send_error(400, "Bad Request")
1061
return http_server.TestingHTTPRequestHandler.get_multiple_ranges(
1062
self, file, file_size, ranges)
1065
class LimitedRangeHTTPServer(http_server.HttpServer):
1066
"""An HttpServer erroring out on requests with too much range specifiers"""
1068
def __init__(self, request_handler=LimitedRangeRequestHandler,
1069
protocol_version=None,
1071
http_server.HttpServer.__init__(self, request_handler,
1072
protocol_version=protocol_version)
1073
self.range_limit = range_limit
1076
class TestLimitedRangeRequestServer(http_utils.TestCaseWithWebserver):
1077
"""Tests readv requests against a server erroring out on too much ranges."""
1079
# Requests with more range specifiers will error out
1082
def create_transport_readonly_server(self):
1083
return LimitedRangeHTTPServer(range_limit=self.range_limit,
1084
protocol_version=self._protocol_version)
1086
def get_transport(self):
1087
return self._transport(self.get_readonly_server().get_url())
1090
http_utils.TestCaseWithWebserver.setUp(self)
1091
# We need to manipulate ranges that correspond to real chunks in the
1092
# response, so we build a content appropriately.
1093
filler = ''.join(['abcdefghij' for x in range(102)])
1094
content = ''.join(['%04d' % v + filler for v in range(16)])
1095
self.build_tree_contents([('a', content)],)
1097
def test_few_ranges(self):
1098
t = self.get_transport()
1099
l = list(t.readv('a', ((0, 4), (1024, 4), )))
1100
self.assertEqual(l[0], (0, '0000'))
1101
self.assertEqual(l[1], (1024, '0001'))
1102
self.assertEqual(1, self.get_readonly_server().GET_request_nb)
1104
def test_more_ranges(self):
1105
t = self.get_transport()
1106
l = list(t.readv('a', ((0, 4), (1024, 4), (4096, 4), (8192, 4))))
1107
self.assertEqual(l[0], (0, '0000'))
1108
self.assertEqual(l[1], (1024, '0001'))
1109
self.assertEqual(l[2], (4096, '0004'))
1110
self.assertEqual(l[3], (8192, '0008'))
1111
# The server will refuse to serve the first request (too much ranges),
1112
# a second request will succeed.
1113
self.assertEqual(2, self.get_readonly_server().GET_request_nb)
1116
class TestHttpProxyWhiteBox(tests.TestCase):
1117
"""Whitebox test proxy http authorization.
1119
Only the urllib implementation is tested here.
1123
tests.TestCase.setUp(self)
1128
tests.TestCase.tearDown(self)
1130
def _install_env(self, env):
1131
for name, value in env.iteritems():
1132
self._old_env[name] = osutils.set_or_unset_env(name, value)
1134
def _restore_env(self):
1135
for name, value in self._old_env.iteritems():
1136
osutils.set_or_unset_env(name, value)
1138
def _proxied_request(self):
1139
handler = _urllib2_wrappers.ProxyHandler()
1140
request = _urllib2_wrappers.Request('GET','http://baz/buzzle')
1141
handler.set_proxy(request, 'http')
1144
def test_empty_user(self):
1145
self._install_env({'http_proxy': 'http://bar.com'})
1146
request = self._proxied_request()
1147
self.assertFalse(request.headers.has_key('Proxy-authorization'))
1149
def test_invalid_proxy(self):
1150
"""A proxy env variable without scheme"""
1151
self._install_env({'http_proxy': 'host:1234'})
1152
self.assertRaises(errors.InvalidURL, self._proxied_request)
1155
class TestProxyHttpServer(http_utils.TestCaseWithTwoWebservers):
1156
"""Tests proxy server.
1158
Be aware that we do not setup a real proxy here. Instead, we
1159
check that the *connection* goes through the proxy by serving
1160
different content (the faked proxy server append '-proxied'
1164
# FIXME: We don't have an https server available, so we don't
1165
# test https connections.
1168
super(TestProxyHttpServer, self).setUp()
1169
self.build_tree_contents([('foo', 'contents of foo\n'),
1170
('foo-proxied', 'proxied contents of foo\n')])
1171
# Let's setup some attributes for tests
1172
self.server = self.get_readonly_server()
1173
self.proxy_address = '%s:%d' % (self.server.host, self.server.port)
1174
if self._testing_pycurl():
1175
# Oh my ! pycurl does not check for the port as part of
1176
# no_proxy :-( So we just test the host part
1177
self.no_proxy_host = 'localhost'
1179
self.no_proxy_host = self.proxy_address
1180
# The secondary server is the proxy
1181
self.proxy = self.get_secondary_server()
1182
self.proxy_url = self.proxy.get_url()
1185
def _testing_pycurl(self):
1186
return pycurl_present and self._transport == PyCurlTransport
1188
def create_transport_secondary_server(self):
1189
"""Creates an http server that will serve files with
1190
'-proxied' appended to their names.
1192
return http_utils.ProxyServer(protocol_version=self._protocol_version)
1194
def _install_env(self, env):
1195
for name, value in env.iteritems():
1196
self._old_env[name] = osutils.set_or_unset_env(name, value)
1198
def _restore_env(self):
1199
for name, value in self._old_env.iteritems():
1200
osutils.set_or_unset_env(name, value)
1202
def proxied_in_env(self, env):
1203
self._install_env(env)
1204
url = self.server.get_url()
1205
t = self._transport(url)
1207
self.assertEqual('proxied contents of foo\n', t.get('foo').read())
1211
def not_proxied_in_env(self, env):
1212
self._install_env(env)
1213
url = self.server.get_url()
1214
t = self._transport(url)
1216
self.assertEqual('contents of foo\n', t.get('foo').read())
1220
def test_http_proxy(self):
1221
self.proxied_in_env({'http_proxy': self.proxy_url})
1223
def test_HTTP_PROXY(self):
1224
if self._testing_pycurl():
1225
# pycurl does not check HTTP_PROXY for security reasons
1226
# (for use in a CGI context that we do not care
1227
# about. Should we ?)
1228
raise tests.TestNotApplicable(
1229
'pycurl does not check HTTP_PROXY for security reasons')
1230
self.proxied_in_env({'HTTP_PROXY': self.proxy_url})
1232
def test_all_proxy(self):
1233
self.proxied_in_env({'all_proxy': self.proxy_url})
1235
def test_ALL_PROXY(self):
1236
self.proxied_in_env({'ALL_PROXY': self.proxy_url})
1238
def test_http_proxy_with_no_proxy(self):
1239
self.not_proxied_in_env({'http_proxy': self.proxy_url,
1240
'no_proxy': self.no_proxy_host})
1242
def test_HTTP_PROXY_with_NO_PROXY(self):
1243
if self._testing_pycurl():
1244
raise tests.TestNotApplicable(
1245
'pycurl does not check HTTP_PROXY for security reasons')
1246
self.not_proxied_in_env({'HTTP_PROXY': self.proxy_url,
1247
'NO_PROXY': self.no_proxy_host})
1249
def test_all_proxy_with_no_proxy(self):
1250
self.not_proxied_in_env({'all_proxy': self.proxy_url,
1251
'no_proxy': self.no_proxy_host})
1253
def test_ALL_PROXY_with_NO_PROXY(self):
1254
self.not_proxied_in_env({'ALL_PROXY': self.proxy_url,
1255
'NO_PROXY': self.no_proxy_host})
1257
def test_http_proxy_without_scheme(self):
1258
if self._testing_pycurl():
1259
# pycurl *ignores* invalid proxy env variables. If that ever change
1260
# in the future, this test will fail indicating that pycurl do not
1261
# ignore anymore such variables.
1262
self.not_proxied_in_env({'http_proxy': self.proxy_address})
1264
self.assertRaises(errors.InvalidURL,
1265
self.proxied_in_env,
1266
{'http_proxy': self.proxy_address})
1269
class TestRanges(http_utils.TestCaseWithWebserver):
1270
"""Test the Range header in GET methods."""
1273
http_utils.TestCaseWithWebserver.setUp(self)
1274
self.build_tree_contents([('a', '0123456789')],)
1275
server = self.get_readonly_server()
1276
self.transport = self._transport(server.get_url())
1278
def create_transport_readonly_server(self):
1279
return http_server.HttpServer(protocol_version=self._protocol_version)
1281
def _file_contents(self, relpath, ranges):
1282
offsets = [ (start, end - start + 1) for start, end in ranges]
1283
coalesce = self.transport._coalesce_offsets
1284
coalesced = list(coalesce(offsets, limit=0, fudge_factor=0))
1285
code, data = self.transport._get(relpath, coalesced)
1286
self.assertTrue(code in (200, 206),'_get returns: %d' % code)
1287
for start, end in ranges:
1289
yield data.read(end - start + 1)
1291
def _file_tail(self, relpath, tail_amount):
1292
code, data = self.transport._get(relpath, [], tail_amount)
1293
self.assertTrue(code in (200, 206),'_get returns: %d' % code)
1294
data.seek(-tail_amount, 2)
1295
return data.read(tail_amount)
1297
def test_range_header(self):
1299
map(self.assertEqual,['0', '234'],
1300
list(self._file_contents('a', [(0,0), (2,4)])),)
1302
def test_range_header_tail(self):
1303
self.assertEqual('789', self._file_tail('a', 3))
1305
def test_syntactically_invalid_range_header(self):
1306
self.assertListRaises(errors.InvalidHttpRange,
1307
self._file_contents, 'a', [(4, 3)])
1309
def test_semantically_invalid_range_header(self):
1310
self.assertListRaises(errors.InvalidHttpRange,
1311
self._file_contents, 'a', [(42, 128)])
1314
class TestHTTPRedirections(http_utils.TestCaseWithRedirectedWebserver):
1315
"""Test redirection between http servers."""
1317
def create_transport_secondary_server(self):
1318
"""Create the secondary server redirecting to the primary server"""
1319
new = self.get_readonly_server()
1321
redirecting = http_utils.HTTPServerRedirecting(
1322
protocol_version=self._protocol_version)
1323
redirecting.redirect_to(new.host, new.port)
1327
super(TestHTTPRedirections, self).setUp()
1328
self.build_tree_contents([('a', '0123456789'),
1330
'# Bazaar revision bundle v0.9\n#\n')
1332
# The requests to the old server will be redirected to the new server
1333
self.old_transport = self._transport(self.old_server.get_url())
1335
def test_redirected(self):
1336
self.assertRaises(errors.RedirectRequested, self.old_transport.get, 'a')
1337
t = self._transport(self.new_server.get_url())
1338
self.assertEqual('0123456789', t.get('a').read())
1340
def test_read_redirected_bundle_from_url(self):
1341
from bzrlib.bundle import read_bundle_from_url
1342
url = self.old_transport.abspath('bundle')
1343
bundle = self.applyDeprecated(deprecated_in((1, 12, 0)),
1344
read_bundle_from_url, url)
1345
# If read_bundle_from_url was successful we get an empty bundle
1346
self.assertEqual([], bundle.revisions)
1349
class RedirectedRequest(_urllib2_wrappers.Request):
1350
"""Request following redirections. """
1352
init_orig = _urllib2_wrappers.Request.__init__
1354
def __init__(self, method, url, *args, **kwargs):
1358
# Since the tests using this class will replace
1359
# _urllib2_wrappers.Request, we can't just call the base class __init__
1361
RedirectedRequest.init_orig(self, method, url, *args, **kwargs)
1362
self.follow_redirections = True
1365
class TestHTTPSilentRedirections(http_utils.TestCaseWithRedirectedWebserver):
1366
"""Test redirections.
1368
http implementations do not redirect silently anymore (they
1369
do not redirect at all in fact). The mechanism is still in
1370
place at the _urllib2_wrappers.Request level and these tests
1373
For the pycurl implementation
1374
the redirection have been deleted as we may deprecate pycurl
1375
and I have no place to keep a working implementation.
1380
if pycurl_present and self._transport == PyCurlTransport:
1381
raise tests.TestNotApplicable(
1382
"pycurl doesn't redirect silently annymore")
1383
super(TestHTTPSilentRedirections, self).setUp()
1384
self.setup_redirected_request()
1385
self.addCleanup(self.cleanup_redirected_request)
1386
self.build_tree_contents([('a','a'),
1388
('1/a', 'redirected once'),
1390
('2/a', 'redirected twice'),
1392
('3/a', 'redirected thrice'),
1394
('4/a', 'redirected 4 times'),
1396
('5/a', 'redirected 5 times'),
1399
self.old_transport = self._transport(self.old_server.get_url())
1401
def setup_redirected_request(self):
1402
self.original_class = _urllib2_wrappers.Request
1403
_urllib2_wrappers.Request = RedirectedRequest
1405
def cleanup_redirected_request(self):
1406
_urllib2_wrappers.Request = self.original_class
1408
def create_transport_secondary_server(self):
1409
"""Create the secondary server, redirections are defined in the tests"""
1410
return http_utils.HTTPServerRedirecting(
1411
protocol_version=self._protocol_version)
1413
def test_one_redirection(self):
1414
t = self.old_transport
1416
req = RedirectedRequest('GET', t.abspath('a'))
1417
req.follow_redirections = True
1418
new_prefix = 'http://%s:%s' % (self.new_server.host,
1419
self.new_server.port)
1420
self.old_server.redirections = \
1421
[('(.*)', r'%s/1\1' % (new_prefix), 301),]
1422
self.assertEquals('redirected once',t._perform(req).read())
1424
def test_five_redirections(self):
1425
t = self.old_transport
1427
req = RedirectedRequest('GET', t.abspath('a'))
1428
req.follow_redirections = True
1429
old_prefix = 'http://%s:%s' % (self.old_server.host,
1430
self.old_server.port)
1431
new_prefix = 'http://%s:%s' % (self.new_server.host,
1432
self.new_server.port)
1433
self.old_server.redirections = [
1434
('/1(.*)', r'%s/2\1' % (old_prefix), 302),
1435
('/2(.*)', r'%s/3\1' % (old_prefix), 303),
1436
('/3(.*)', r'%s/4\1' % (old_prefix), 307),
1437
('/4(.*)', r'%s/5\1' % (new_prefix), 301),
1438
('(/[^/]+)', r'%s/1\1' % (old_prefix), 301),
1440
self.assertEquals('redirected 5 times',t._perform(req).read())
1443
class TestDoCatchRedirections(http_utils.TestCaseWithRedirectedWebserver):
1444
"""Test transport.do_catching_redirections."""
1447
super(TestDoCatchRedirections, self).setUp()
1448
self.build_tree_contents([('a', '0123456789'),],)
1450
self.old_transport = self._transport(self.old_server.get_url())
1452
def get_a(self, transport):
1453
return transport.get('a')
1455
def test_no_redirection(self):
1456
t = self._transport(self.new_server.get_url())
1458
# We use None for redirected so that we fail if redirected
1459
self.assertEquals('0123456789',
1460
transport.do_catching_redirections(
1461
self.get_a, t, None).read())
1463
def test_one_redirection(self):
1464
self.redirections = 0
1466
def redirected(transport, exception, redirection_notice):
1467
self.redirections += 1
1468
dir, file = urlutils.split(exception.target)
1469
return self._transport(dir)
1471
self.assertEquals('0123456789',
1472
transport.do_catching_redirections(
1473
self.get_a, self.old_transport, redirected).read())
1474
self.assertEquals(1, self.redirections)
1476
def test_redirection_loop(self):
1478
def redirected(transport, exception, redirection_notice):
1479
# By using the redirected url as a base dir for the
1480
# *old* transport, we create a loop: a => a/a =>
1482
return self.old_transport.clone(exception.target)
1484
self.assertRaises(errors.TooManyRedirections,
1485
transport.do_catching_redirections,
1486
self.get_a, self.old_transport, redirected)
1489
class TestAuth(http_utils.TestCaseWithWebserver):
1490
"""Test authentication scheme"""
1492
_auth_header = 'Authorization'
1493
_password_prompt_prefix = ''
1494
_username_prompt_prefix = ''
1499
super(TestAuth, self).setUp()
1500
self.server = self.get_readonly_server()
1501
self.build_tree_contents([('a', 'contents of a\n'),
1502
('b', 'contents of b\n'),])
1504
def create_transport_readonly_server(self):
1505
return self._auth_server(protocol_version=self._protocol_version)
1507
def _testing_pycurl(self):
1508
return pycurl_present and self._transport == PyCurlTransport
1510
def get_user_url(self, user, password):
1511
"""Build an url embedding user and password"""
1512
url = '%s://' % self.server._url_protocol
1513
if user is not None:
1515
if password is not None:
1516
url += ':' + password
1518
url += '%s:%s/' % (self.server.host, self.server.port)
1521
def get_user_transport(self, user, password):
1522
return self._transport(self.get_user_url(user, password))
1524
def test_no_user(self):
1525
self.server.add_user('joe', 'foo')
1526
t = self.get_user_transport(None, None)
1527
self.assertRaises(errors.InvalidHttpResponse, t.get, 'a')
1528
# Only one 'Authentication Required' error should occur
1529
self.assertEqual(1, self.server.auth_required_errors)
1531
def test_empty_pass(self):
1532
self.server.add_user('joe', '')
1533
t = self.get_user_transport('joe', '')
1534
self.assertEqual('contents of a\n', t.get('a').read())
1535
# Only one 'Authentication Required' error should occur
1536
self.assertEqual(1, self.server.auth_required_errors)
1538
def test_user_pass(self):
1539
self.server.add_user('joe', 'foo')
1540
t = self.get_user_transport('joe', 'foo')
1541
self.assertEqual('contents of a\n', t.get('a').read())
1542
# Only one 'Authentication Required' error should occur
1543
self.assertEqual(1, self.server.auth_required_errors)
1545
def test_unknown_user(self):
1546
self.server.add_user('joe', 'foo')
1547
t = self.get_user_transport('bill', 'foo')
1548
self.assertRaises(errors.InvalidHttpResponse, t.get, 'a')
1549
# Two 'Authentication Required' errors should occur (the
1550
# initial 'who are you' and 'I don't know you, who are
1552
self.assertEqual(2, self.server.auth_required_errors)
1554
def test_wrong_pass(self):
1555
self.server.add_user('joe', 'foo')
1556
t = self.get_user_transport('joe', 'bar')
1557
self.assertRaises(errors.InvalidHttpResponse, t.get, 'a')
1558
# Two 'Authentication Required' errors should occur (the
1559
# initial 'who are you' and 'this is not you, who are you')
1560
self.assertEqual(2, self.server.auth_required_errors)
1562
def test_prompt_for_username(self):
1563
if self._testing_pycurl():
1564
raise tests.TestNotApplicable(
1565
'pycurl cannot prompt, it handles auth by embedding'
1566
' user:pass in urls only')
1568
self.server.add_user('joe', 'foo')
1569
t = self.get_user_transport(None, None)
1570
stdout = tests.StringIOWrapper()
1571
stderr = tests.StringIOWrapper()
1572
ui.ui_factory = tests.TestUIFactory(stdin='joe\nfoo\n',
1573
stdout=stdout, stderr=stderr)
1574
self.assertEqual('contents of a\n',t.get('a').read())
1575
# stdin should be empty
1576
self.assertEqual('', ui.ui_factory.stdin.readline())
1578
expected_prompt = self._expected_username_prompt(t._unqualified_scheme)
1579
self.assertEquals(expected_prompt, stderr.read(len(expected_prompt)))
1580
self.assertEquals('', stdout.getvalue())
1581
self._check_password_prompt(t._unqualified_scheme, 'joe',
1584
def test_prompt_for_password(self):
1585
if self._testing_pycurl():
1586
raise tests.TestNotApplicable(
1587
'pycurl cannot prompt, it handles auth by embedding'
1588
' user:pass in urls only')
1590
self.server.add_user('joe', 'foo')
1591
t = self.get_user_transport('joe', None)
1592
stdout = tests.StringIOWrapper()
1593
stderr = tests.StringIOWrapper()
1594
ui.ui_factory = tests.TestUIFactory(stdin='foo\n',
1595
stdout=stdout, stderr=stderr)
1596
self.assertEqual('contents of a\n', t.get('a').read())
1597
# stdin should be empty
1598
self.assertEqual('', ui.ui_factory.stdin.readline())
1599
self._check_password_prompt(t._unqualified_scheme, 'joe',
1601
self.assertEquals('', stdout.getvalue())
1602
# And we shouldn't prompt again for a different request
1603
# against the same transport.
1604
self.assertEqual('contents of b\n',t.get('b').read())
1606
# And neither against a clone
1607
self.assertEqual('contents of b\n',t2.get('b').read())
1608
# Only one 'Authentication Required' error should occur
1609
self.assertEqual(1, self.server.auth_required_errors)
1611
def _check_password_prompt(self, scheme, user, actual_prompt):
1612
expected_prompt = (self._password_prompt_prefix
1613
+ ("%s %s@%s:%d, Realm: '%s' password: "
1615
user, self.server.host, self.server.port,
1616
self.server.auth_realm)))
1617
self.assertEquals(expected_prompt, actual_prompt)
1619
def _expected_username_prompt(self, scheme):
1620
return (self._username_prompt_prefix
1621
+ "%s %s:%d, Realm: '%s' username: " % (scheme.upper(),
1622
self.server.host, self.server.port,
1623
self.server.auth_realm))
1625
def test_no_prompt_for_password_when_using_auth_config(self):
1626
if self._testing_pycurl():
1627
raise tests.TestNotApplicable(
1628
'pycurl does not support authentication.conf'
1629
' since it cannot prompt')
1633
stdin_content = 'bar\n' # Not the right password
1634
self.server.add_user(user, password)
1635
t = self.get_user_transport(user, None)
1636
ui.ui_factory = tests.TestUIFactory(stdin=stdin_content,
1637
stdout=tests.StringIOWrapper())
1638
# Create a minimal config file with the right password
1639
conf = config.AuthenticationConfig()
1640
conf._get_config().update(
1641
{'httptest': {'scheme': 'http', 'port': self.server.port,
1642
'user': user, 'password': password}})
1644
# Issue a request to the server to connect
1645
self.assertEqual('contents of a\n',t.get('a').read())
1646
# stdin should have been left untouched
1647
self.assertEqual(stdin_content, ui.ui_factory.stdin.readline())
1648
# Only one 'Authentication Required' error should occur
1649
self.assertEqual(1, self.server.auth_required_errors)
1651
def test_user_from_auth_conf(self):
1652
if self._testing_pycurl():
1653
raise tests.TestNotApplicable(
1654
'pycurl does not support authentication.conf')
1657
self.server.add_user(user, password)
1658
# Create a minimal config file with the right password
1659
conf = config.AuthenticationConfig()
1660
conf._get_config().update(
1661
{'httptest': {'scheme': 'http', 'port': self.server.port,
1662
'user': user, 'password': password}})
1664
t = self.get_user_transport(None, None)
1665
# Issue a request to the server to connect
1666
self.assertEqual('contents of a\n', t.get('a').read())
1667
# Only one 'Authentication Required' error should occur
1668
self.assertEqual(1, self.server.auth_required_errors)
1670
def test_changing_nonce(self):
1671
if self._auth_server not in (http_utils.HTTPDigestAuthServer,
1672
http_utils.ProxyDigestAuthServer):
1673
raise tests.TestNotApplicable('HTTP/proxy auth digest only test')
1674
if self._testing_pycurl():
1675
raise tests.KnownFailure(
1676
'pycurl does not handle a nonce change')
1677
self.server.add_user('joe', 'foo')
1678
t = self.get_user_transport('joe', 'foo')
1679
self.assertEqual('contents of a\n', t.get('a').read())
1680
self.assertEqual('contents of b\n', t.get('b').read())
1681
# Only one 'Authentication Required' error should have
1683
self.assertEqual(1, self.server.auth_required_errors)
1684
# The server invalidates the current nonce
1685
self.server.auth_nonce = self.server.auth_nonce + '. No, now!'
1686
self.assertEqual('contents of a\n', t.get('a').read())
1687
# Two 'Authentication Required' errors should occur (the
1688
# initial 'who are you' and a second 'who are you' with the new nonce)
1689
self.assertEqual(2, self.server.auth_required_errors)
1693
class TestProxyAuth(TestAuth):
1694
"""Test proxy authentication schemes."""
1696
_auth_header = 'Proxy-authorization'
1697
_password_prompt_prefix = 'Proxy '
1698
_username_prompt_prefix = 'Proxy '
1701
super(TestProxyAuth, self).setUp()
1703
self.addCleanup(self._restore_env)
1704
# Override the contents to avoid false positives
1705
self.build_tree_contents([('a', 'not proxied contents of a\n'),
1706
('b', 'not proxied contents of b\n'),
1707
('a-proxied', 'contents of a\n'),
1708
('b-proxied', 'contents of b\n'),
1711
def get_user_transport(self, user, password):
1712
self._install_env({'all_proxy': self.get_user_url(user, password)})
1713
return self._transport(self.server.get_url())
1715
def _install_env(self, env):
1716
for name, value in env.iteritems():
1717
self._old_env[name] = osutils.set_or_unset_env(name, value)
1719
def _restore_env(self):
1720
for name, value in self._old_env.iteritems():
1721
osutils.set_or_unset_env(name, value)
1723
def test_empty_pass(self):
1724
if self._testing_pycurl():
1726
if pycurl.version_info()[1] < '7.16.0':
1727
raise tests.KnownFailure(
1728
'pycurl < 7.16.0 does not handle empty proxy passwords')
1729
super(TestProxyAuth, self).test_empty_pass()
1732
class SampleSocket(object):
1733
"""A socket-like object for use in testing the HTTP request handler."""
1735
def __init__(self, socket_read_content):
1736
"""Constructs a sample socket.
1738
:param socket_read_content: a byte sequence
1740
# Use plain python StringIO so we can monkey-patch the close method to
1741
# not discard the contents.
1742
from StringIO import StringIO
1743
self.readfile = StringIO(socket_read_content)
1744
self.writefile = StringIO()
1745
self.writefile.close = lambda: None
1747
def makefile(self, mode='r', bufsize=None):
1749
return self.readfile
1751
return self.writefile
1754
class SmartHTTPTunnellingTest(tests.TestCaseWithTransport):
1757
super(SmartHTTPTunnellingTest, self).setUp()
1758
# We use the VFS layer as part of HTTP tunnelling tests.
1759
self._captureVar('BZR_NO_SMART_VFS', None)
1760
self.transport_readonly_server = http_utils.HTTPServerWithSmarts
1762
def create_transport_readonly_server(self):
1763
return http_utils.HTTPServerWithSmarts(
1764
protocol_version=self._protocol_version)
1766
def test_open_bzrdir(self):
1767
branch = self.make_branch('relpath')
1768
http_server = self.get_readonly_server()
1769
url = http_server.get_url() + 'relpath'
1770
bd = bzrdir.BzrDir.open(url)
1771
self.assertIsInstance(bd, _mod_remote.RemoteBzrDir)
1773
def test_bulk_data(self):
1774
# We should be able to send and receive bulk data in a single message.
1775
# The 'readv' command in the smart protocol both sends and receives
1776
# bulk data, so we use that.
1777
self.build_tree(['data-file'])
1778
http_server = self.get_readonly_server()
1779
http_transport = self._transport(http_server.get_url())
1780
medium = http_transport.get_smart_medium()
1781
# Since we provide the medium, the url below will be mostly ignored
1782
# during the test, as long as the path is '/'.
1783
remote_transport = remote.RemoteTransport('bzr://fake_host/',
1786
[(0, "c")], list(remote_transport.readv("data-file", [(0,1)])))
1788
def test_http_send_smart_request(self):
1790
post_body = 'hello\n'
1791
expected_reply_body = 'ok\x012\n'
1793
http_server = self.get_readonly_server()
1794
http_transport = self._transport(http_server.get_url())
1795
medium = http_transport.get_smart_medium()
1796
response = medium.send_http_smart_request(post_body)
1797
reply_body = response.read()
1798
self.assertEqual(expected_reply_body, reply_body)
1800
def test_smart_http_server_post_request_handler(self):
1801
httpd = self.get_readonly_server()._get_httpd()
1803
socket = SampleSocket(
1804
'POST /.bzr/smart %s \r\n' % self._protocol_version
1805
# HTTP/1.1 posts must have a Content-Length (but it doesn't hurt
1807
+ 'Content-Length: 6\r\n'
1810
# Beware: the ('localhost', 80) below is the
1811
# client_address parameter, but we don't have one because
1812
# we have defined a socket which is not bound to an
1813
# address. The test framework never uses this client
1814
# address, so far...
1815
request_handler = http_utils.SmartRequestHandler(socket,
1818
response = socket.writefile.getvalue()
1819
self.assertStartsWith(response, '%s 200 ' % self._protocol_version)
1820
# This includes the end of the HTTP headers, and all the body.
1821
expected_end_of_response = '\r\n\r\nok\x012\n'
1822
self.assertEndsWith(response, expected_end_of_response)
1825
class ForbiddenRequestHandler(http_server.TestingHTTPRequestHandler):
1826
"""No smart server here request handler."""
1829
self.send_error(403, "Forbidden")
1832
class SmartClientAgainstNotSmartServer(TestSpecificRequestHandler):
1833
"""Test smart client behaviour against an http server without smarts."""
1835
_req_handler_class = ForbiddenRequestHandler
1837
def test_probe_smart_server(self):
1838
"""Test error handling against server refusing smart requests."""
1839
server = self.get_readonly_server()
1840
t = self._transport(server.get_url())
1841
# No need to build a valid smart request here, the server will not even
1842
# try to interpret it.
1843
self.assertRaises(errors.SmartProtocolError,
1844
t.get_smart_medium().send_http_smart_request,
1847
class Test_redirected_to(tests.TestCase):
1849
def test_redirected_to_subdir(self):
1850
t = self._transport('http://www.example.com/foo')
1851
r = t._redirected_to('http://www.example.com/foo',
1852
'http://www.example.com/foo/subdir')
1853
self.assertIsInstance(r, type(t))
1854
# Both transports share the some connection
1855
self.assertEquals(t._get_connection(), r._get_connection())
1857
def test_redirected_to_self_with_slash(self):
1858
t = self._transport('http://www.example.com/foo')
1859
r = t._redirected_to('http://www.example.com/foo',
1860
'http://www.example.com/foo/')
1861
self.assertIsInstance(r, type(t))
1862
# Both transports share the some connection (one can argue that we
1863
# should return the exact same transport here, but that seems
1865
self.assertEquals(t._get_connection(), r._get_connection())
1867
def test_redirected_to_host(self):
1868
t = self._transport('http://www.example.com/foo')
1869
r = t._redirected_to('http://www.example.com/foo',
1870
'http://foo.example.com/foo/subdir')
1871
self.assertIsInstance(r, type(t))
1873
def test_redirected_to_same_host_sibling_protocol(self):
1874
t = self._transport('http://www.example.com/foo')
1875
r = t._redirected_to('http://www.example.com/foo',
1876
'https://www.example.com/foo')
1877
self.assertIsInstance(r, type(t))
1879
def test_redirected_to_same_host_different_protocol(self):
1880
t = self._transport('http://www.example.com/foo')
1881
r = t._redirected_to('http://www.example.com/foo',
1882
'ftp://www.example.com/foo')
1883
self.assertNotEquals(type(r), type(t))
1885
def test_redirected_to_different_host_same_user(self):
1886
t = self._transport('http://joe@www.example.com/foo')
1887
r = t._redirected_to('http://www.example.com/foo',
1888
'https://foo.example.com/foo')
1889
self.assertIsInstance(r, type(t))
1890
self.assertEquals(t._user, r._user)
1893
class PredefinedRequestHandler(http_server.TestingHTTPRequestHandler):
1894
"""Request handler for a unique and pre-defined request.
1896
The only thing we care about here is how many bytes travel on the wire. But
1897
since we want to measure it for a real http client, we have to send it
1900
We expect to receive a *single* request nothing more (and we won't even
1901
check what request it is, we just measure the bytes read until an empty
1905
def handle_one_request(self):
1906
tcs = self.server.test_case_server
1907
requestline = self.rfile.readline()
1908
headers = self.MessageClass(self.rfile, 0)
1909
# We just read: the request, the headers, an empty line indicating the
1910
# end of the headers.
1911
bytes_read = len(requestline)
1912
for line in headers.headers:
1913
bytes_read += len(line)
1914
bytes_read += len('\r\n')
1915
if requestline.startswith('POST'):
1916
# The body should be a single line (or we don't know where it ends
1917
# and we don't want to issue a blocking read)
1918
body = self.rfile.readline()
1919
bytes_read += len(body)
1920
tcs.bytes_read = bytes_read
1922
# We set the bytes written *before* issuing the write, the client is
1923
# supposed to consume every produced byte *before* checking that value.
1925
# Doing the oppposite may lead to test failure: we may be interrupted
1926
# after the write but before updating the value. The client can then
1927
# continue and read the value *before* we can update it. And yes,
1928
# this has been observed -- vila 20090129
1929
tcs.bytes_written = len(tcs.canned_response)
1930
self.wfile.write(tcs.canned_response)
1933
class ActivityServerMixin(object):
1935
def __init__(self, protocol_version):
1936
super(ActivityServerMixin, self).__init__(
1937
request_handler=PredefinedRequestHandler,
1938
protocol_version=protocol_version)
1939
# Bytes read and written by the server
1941
self.bytes_written = 0
1942
self.canned_response = None
1945
class ActivityHTTPServer(ActivityServerMixin, http_server.HttpServer):
1949
if tests.HTTPSServerFeature.available():
1950
from bzrlib.tests import https_server
1951
class ActivityHTTPSServer(ActivityServerMixin, https_server.HTTPSServer):
1955
class TestActivity(tests.TestCase):
1956
"""Test socket activity reporting.
1958
We use a special purpose server to control the bytes sent and received and
1959
be able to predict the activity on the client socket.
1963
tests.TestCase.setUp(self)
1964
self.server = self._activity_server(self._protocol_version)
1966
self.activities = {}
1967
def report_activity(t, bytes, direction):
1968
count = self.activities.get(direction, 0)
1970
self.activities[direction] = count
1972
# We override at class level because constructors may propagate the
1973
# bound method and render instance overriding ineffective (an
1974
# alternative would be to define a specific ui factory instead...)
1975
self.orig_report_activity = self._transport._report_activity
1976
self._transport._report_activity = report_activity
1979
self._transport._report_activity = self.orig_report_activity
1980
self.server.tearDown()
1981
tests.TestCase.tearDown(self)
1983
def get_transport(self):
1984
return self._transport(self.server.get_url())
1986
def assertActivitiesMatch(self):
1987
self.assertEqual(self.server.bytes_read,
1988
self.activities.get('write', 0), 'written bytes')
1989
self.assertEqual(self.server.bytes_written,
1990
self.activities.get('read', 0), 'read bytes')
1993
self.server.canned_response = '''HTTP/1.1 200 OK\r
1994
Date: Tue, 11 Jul 2006 04:32:56 GMT\r
1995
Server: Apache/2.0.54 (Fedora)\r
1996
Last-Modified: Sun, 23 Apr 2006 19:35:20 GMT\r
1997
ETag: "56691-23-38e9ae00"\r
1998
Accept-Ranges: bytes\r
1999
Content-Length: 35\r
2001
Content-Type: text/plain; charset=UTF-8\r
2003
Bazaar-NG meta directory, format 1
2005
t = self.get_transport()
2006
self.assertEqual('Bazaar-NG meta directory, format 1\n',
2007
t.get('foo/bar').read())
2008
self.assertActivitiesMatch()
2011
self.server.canned_response = '''HTTP/1.1 200 OK\r
2012
Server: SimpleHTTP/0.6 Python/2.5.2\r
2013
Date: Thu, 29 Jan 2009 20:21:47 GMT\r
2014
Content-type: application/octet-stream\r
2015
Content-Length: 20\r
2016
Last-Modified: Thu, 29 Jan 2009 20:21:47 GMT\r
2019
t = self.get_transport()
2020
self.assertTrue(t.has('foo/bar'))
2021
self.assertActivitiesMatch()
2023
def test_readv(self):
2024
self.server.canned_response = '''HTTP/1.1 206 Partial Content\r
2025
Date: Tue, 11 Jul 2006 04:49:48 GMT\r
2026
Server: Apache/2.0.54 (Fedora)\r
2027
Last-Modified: Thu, 06 Jul 2006 20:22:05 GMT\r
2028
ETag: "238a3c-16ec2-805c5540"\r
2029
Accept-Ranges: bytes\r
2030
Content-Length: 1534\r
2032
Content-Type: multipart/byteranges; boundary=418470f848b63279b\r
2035
--418470f848b63279b\r
2036
Content-type: text/plain; charset=UTF-8\r
2037
Content-range: bytes 0-254/93890\r
2039
mbp@sourcefrog.net-20050309040815-13242001617e4a06
2040
mbp@sourcefrog.net-20050309040929-eee0eb3e6d1e7627
2041
mbp@sourcefrog.net-20050309040957-6cad07f466bb0bb8
2042
mbp@sourcefrog.net-20050309041501-c840e09071de3b67
2043
mbp@sourcefrog.net-20050309044615-c24a3250be83220a
2045
--418470f848b63279b\r
2046
Content-type: text/plain; charset=UTF-8\r
2047
Content-range: bytes 1000-2049/93890\r
2050
mbp@sourcefrog.net-20050311063625-07858525021f270b
2051
mbp@sourcefrog.net-20050311231934-aa3776aff5200bb9
2052
mbp@sourcefrog.net-20050311231953-73aeb3a131c3699a
2053
mbp@sourcefrog.net-20050311232353-f5e33da490872c6a
2054
mbp@sourcefrog.net-20050312071639-0a8f59a34a024ff0
2055
mbp@sourcefrog.net-20050312073432-b2c16a55e0d6e9fb
2056
mbp@sourcefrog.net-20050312073831-a47c3335ece1920f
2057
mbp@sourcefrog.net-20050312085412-13373aa129ccbad3
2058
mbp@sourcefrog.net-20050313052251-2bf004cb96b39933
2059
mbp@sourcefrog.net-20050313052856-3edd84094687cb11
2060
mbp@sourcefrog.net-20050313053233-e30a4f28aef48f9d
2061
mbp@sourcefrog.net-20050313053853-7c64085594ff3072
2062
mbp@sourcefrog.net-20050313054757-a86c3f5871069e22
2063
mbp@sourcefrog.net-20050313061422-418f1f73b94879b9
2064
mbp@sourcefrog.net-20050313120651-497bd231b19df600
2065
mbp@sourcefrog.net-20050314024931-eae0170ef25a5d1a
2066
mbp@sourcefrog.net-20050314025438-d52099f915fe65fc
2067
mbp@sourcefrog.net-20050314025539-637a636692c055cf
2068
mbp@sourcefrog.net-20050314025737-55eb441f430ab4ba
2069
mbp@sourcefrog.net-20050314025901-d74aa93bb7ee8f62
2071
--418470f848b63279b--\r
2073
t = self.get_transport()
2074
# Remember that the request is ignored and that the ranges below
2075
# doesn't have to match the canned response.
2076
l = list(t.readv('/foo/bar', ((0, 255), (1000, 1050))))
2077
self.assertEqual(2, len(l))
2078
self.assertActivitiesMatch()
2080
def test_post(self):
2081
self.server.canned_response = '''HTTP/1.1 200 OK\r
2082
Date: Tue, 11 Jul 2006 04:32:56 GMT\r
2083
Server: Apache/2.0.54 (Fedora)\r
2084
Last-Modified: Sun, 23 Apr 2006 19:35:20 GMT\r
2085
ETag: "56691-23-38e9ae00"\r
2086
Accept-Ranges: bytes\r
2087
Content-Length: 35\r
2089
Content-Type: text/plain; charset=UTF-8\r
2091
lalala whatever as long as itsssss
2093
t = self.get_transport()
2094
# We must send a single line of body bytes, see
2095
# PredefinedRequestHandler.handle_one_request
2096
code, f = t._post('abc def end-of-body\n')
2097
self.assertEqual('lalala whatever as long as itsssss\n', f.read())
2098
self.assertActivitiesMatch()
added
removed
bzrlib/tests/test_http.py
