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# Copyright (C) 2005, 2006 Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""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.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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class TransportAdapter(tests.TestScenarioApplier):
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"""Generate the same test for each transport implementation."""
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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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self.scenarios = transport_scenarios
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class TransportProtocolAdapter(TransportAdapter):
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"""Generate the same test for each protocol implementation.
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In addition to the transport adaptatation that we inherit from.
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super(TransportProtocolAdapter, self).__init__()
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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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self.scenarios = tests.multiply_scenarios(self.scenarios,
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class TransportProtocolAuthenticationAdapter(TransportProtocolAdapter):
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"""Generate the same test for each authentication scheme implementation.
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In addition to the protocol adaptatation that we inherit from.
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super(TransportProtocolAuthenticationAdapter, self).__init__()
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auth_scheme_scenarios = [
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('basic', dict(_auth_scheme='basic')),
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('digest', dict(_auth_scheme='digest')),
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self.scenarios = tests.multiply_scenarios(self.scenarios,
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auth_scheme_scenarios)
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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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# one for each transport
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t_adapter = TransportAdapter()
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t_classes= (TestHttpTransportRegistration,
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TestHttpTransportUrls,
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is_testing_for_transports = tests.condition_isinstance(t_classes)
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# multiplied by one for each protocol version
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tp_adapter = TransportProtocolAdapter()
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tp_classes= (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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is_also_testing_for_protocols = tests.condition_isinstance(tp_classes)
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# multiplied by one for each authentication scheme
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tpa_adapter = TransportProtocolAuthenticationAdapter()
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tpa_classes = (TestAuth,
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is_also_testing_for_authentication = tests.condition_isinstance(
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result = loader.suiteClass()
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for test_class in tests.iter_suite_tests(standard_tests):
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# Each test class is either standalone or testing for some combination
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# of transport, protocol version, authentication scheme. Use the right
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# adpater (or none) depending on the class.
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if is_testing_for_transports(test_class):
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result.addTests(t_adapter.adapt(test_class))
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elif is_also_testing_for_protocols(test_class):
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result.addTests(tp_adapter.adapt(test_class))
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elif is_also_testing_for_authentication(test_class):
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result.addTests(tpa_adapter.adapt(test_class))
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result.addTest(test_class)
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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 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.addCleanup(server.tearDown)
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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.addCleanup(server.tearDown)
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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.addCleanup(server.tearDown)
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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.addCleanup(server.tearDown)
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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.addCleanup(server.tearDown)
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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.
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self.assertRaises((errors.ConnectionError, 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.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"""
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ignored = http_server.TestingHTTPRequestHandler.parse_request(self)
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class TestForbiddenServer(TestSpecificRequestHandler):
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"""Tests forbidden server"""
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_req_handler_class = ForbiddenRequestHandler
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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.TransportError, 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.TransportError, t.get, 'foo/bar')
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class TestRecordingServer(tests.TestCase):
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def test_create(self):
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server = RecordingServer(expect_body_tail=None)
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self.assertEqual('', server.received_bytes)
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self.assertEqual(None, server.host)
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self.assertEqual(None, server.port)
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def test_setUp_and_tearDown(self):
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server = RecordingServer(expect_body_tail=None)
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self.assertNotEqual(None, server.host)
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self.assertNotEqual(None, server.port)
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self.assertEqual(None, server.host)
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self.assertEqual(None, server.port)
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def test_send_receive_bytes(self):
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server = RecordingServer(expect_body_tail='c')
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self.addCleanup(server.tearDown)
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sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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sock.connect((server.host, server.port))
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self.assertEqual('HTTP/1.1 200 OK\r\n',
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osutils.recv_all(sock, 4096))
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self.assertEqual('abc', server.received_bytes)
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class TestRangeRequestServer(TestSpecificRequestHandler):
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"""Tests readv requests against server.
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We test against default "normal" server.
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super(TestRangeRequestServer, self).setUp()
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self.build_tree_contents([('a', '0123456789')],)
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def test_readv(self):
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server = self.get_readonly_server()
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t = self._transport(server.get_url())
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l = list(t.readv('a', ((0, 1), (1, 1), (3, 2), (9, 1))))
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self.assertEqual(l[0], (0, '0'))
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self.assertEqual(l[1], (1, '1'))
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self.assertEqual(l[2], (3, '34'))
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self.assertEqual(l[3], (9, '9'))
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def test_readv_out_of_order(self):
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server = self.get_readonly_server()
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t = self._transport(server.get_url())
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l = list(t.readv('a', ((1, 1), (9, 1), (0, 1), (3, 2))))
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self.assertEqual(l[0], (1, '1'))
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self.assertEqual(l[1], (9, '9'))
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self.assertEqual(l[2], (0, '0'))
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self.assertEqual(l[3], (3, '34'))
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def test_readv_invalid_ranges(self):
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server = self.get_readonly_server()
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t = self._transport(server.get_url())
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# This is intentionally reading off the end of the file
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# since we are sure that it cannot get there
757
self.assertListRaises((errors.InvalidRange, errors.ShortReadvError,),
758
t.readv, 'a', [(1,1), (8,10)])
760
# This is trying to seek past the end of the file, it should
761
# also raise a special error
762
self.assertListRaises((errors.InvalidRange, errors.ShortReadvError,),
763
t.readv, 'a', [(12,2)])
765
def test_readv_multiple_get_requests(self):
766
server = self.get_readonly_server()
767
t = self._transport(server.get_url())
768
# force transport to issue multiple requests
769
t._max_readv_combine = 1
770
t._max_get_ranges = 1
771
l = list(t.readv('a', ((0, 1), (1, 1), (3, 2), (9, 1))))
772
self.assertEqual(l[0], (0, '0'))
773
self.assertEqual(l[1], (1, '1'))
774
self.assertEqual(l[2], (3, '34'))
775
self.assertEqual(l[3], (9, '9'))
776
# The server should have issued 4 requests
777
self.assertEqual(4, server.GET_request_nb)
779
def test_readv_get_max_size(self):
780
server = self.get_readonly_server()
781
t = self._transport(server.get_url())
782
# force transport to issue multiple requests by limiting the number of
783
# bytes by request. Note that this apply to coalesced offsets only, a
784
# single range will keep its size even if bigger than the limit.
786
l = list(t.readv('a', ((0, 1), (1, 1), (2, 4), (6, 4))))
787
self.assertEqual(l[0], (0, '0'))
788
self.assertEqual(l[1], (1, '1'))
789
self.assertEqual(l[2], (2, '2345'))
790
self.assertEqual(l[3], (6, '6789'))
791
# The server should have issued 3 requests
792
self.assertEqual(3, server.GET_request_nb)
794
def test_complete_readv_leave_pipe_clean(self):
795
server = self.get_readonly_server()
796
t = self._transport(server.get_url())
797
# force transport to issue multiple requests
799
l = list(t.readv('a', ((0, 1), (1, 1), (2, 4), (6, 4))))
800
# The server should have issued 3 requests
801
self.assertEqual(3, server.GET_request_nb)
802
self.assertEqual('0123456789', t.get_bytes('a'))
803
self.assertEqual(4, server.GET_request_nb)
805
def test_incomplete_readv_leave_pipe_clean(self):
806
server = self.get_readonly_server()
807
t = self._transport(server.get_url())
808
# force transport to issue multiple requests
810
# Don't collapse readv results into a list so that we leave unread
811
# bytes on the socket
812
ireadv = iter(t.readv('a', ((0, 1), (1, 1), (2, 4), (6, 4))))
813
self.assertEqual((0, '0'), ireadv.next())
814
# The server should have issued one request so far
815
self.assertEqual(1, server.GET_request_nb)
816
self.assertEqual('0123456789', t.get_bytes('a'))
817
# get_bytes issued an additional request, the readv pending ones are
819
self.assertEqual(2, server.GET_request_nb)
822
class SingleRangeRequestHandler(http_server.TestingHTTPRequestHandler):
823
"""Always reply to range request as if they were single.
825
Don't be explicit about it, just to annoy the clients.
828
def get_multiple_ranges(self, file, file_size, ranges):
829
"""Answer as if it was a single range request and ignores the rest"""
830
(start, end) = ranges[0]
831
return self.get_single_range(file, file_size, start, end)
834
class TestSingleRangeRequestServer(TestRangeRequestServer):
835
"""Test readv against a server which accept only single range requests"""
837
_req_handler_class = SingleRangeRequestHandler
840
class SingleOnlyRangeRequestHandler(http_server.TestingHTTPRequestHandler):
841
"""Only reply to simple range requests, errors out on multiple"""
843
def get_multiple_ranges(self, file, file_size, ranges):
844
"""Refuses the multiple ranges request"""
847
self.send_error(416, "Requested range not satisfiable")
849
(start, end) = ranges[0]
850
return self.get_single_range(file, file_size, start, end)
853
class TestSingleOnlyRangeRequestServer(TestRangeRequestServer):
854
"""Test readv against a server which only accept single range requests"""
856
_req_handler_class = SingleOnlyRangeRequestHandler
859
class NoRangeRequestHandler(http_server.TestingHTTPRequestHandler):
860
"""Ignore range requests without notice"""
863
# Update the statistics
864
self.server.test_case_server.GET_request_nb += 1
865
# Just bypass the range handling done by TestingHTTPRequestHandler
866
return SimpleHTTPServer.SimpleHTTPRequestHandler.do_GET(self)
869
class TestNoRangeRequestServer(TestRangeRequestServer):
870
"""Test readv against a server which do not accept range requests"""
872
_req_handler_class = NoRangeRequestHandler
875
class MultipleRangeWithoutContentLengthRequestHandler(
876
http_server.TestingHTTPRequestHandler):
877
"""Reply to multiple range requests without content length header."""
879
def get_multiple_ranges(self, file, file_size, ranges):
880
self.send_response(206)
881
self.send_header('Accept-Ranges', 'bytes')
882
boundary = "%d" % random.randint(0,0x7FFFFFFF)
883
self.send_header("Content-Type",
884
"multipart/byteranges; boundary=%s" % boundary)
886
for (start, end) in ranges:
887
self.wfile.write("--%s\r\n" % boundary)
888
self.send_header("Content-type", 'application/octet-stream')
889
self.send_header("Content-Range", "bytes %d-%d/%d" % (start,
893
self.send_range_content(file, start, end - start + 1)
895
self.wfile.write("--%s\r\n" % boundary)
898
class TestMultipleRangeWithoutContentLengthServer(TestRangeRequestServer):
900
_req_handler_class = MultipleRangeWithoutContentLengthRequestHandler
903
class TruncatedMultipleRangeRequestHandler(
904
http_server.TestingHTTPRequestHandler):
905
"""Reply to multiple range requests truncating the last ones.
907
This server generates responses whose Content-Length describes all the
908
ranges, but fail to include the last ones leading to client short reads.
909
This has been observed randomly with lighttpd (bug #179368).
912
_truncated_ranges = 2
914
def get_multiple_ranges(self, file, file_size, ranges):
915
self.send_response(206)
916
self.send_header('Accept-Ranges', 'bytes')
918
self.send_header('Content-Type',
919
'multipart/byteranges; boundary=%s' % boundary)
920
boundary_line = '--%s\r\n' % boundary
921
# Calculate the Content-Length
923
for (start, end) in ranges:
924
content_length += len(boundary_line)
925
content_length += self._header_line_length(
926
'Content-type', 'application/octet-stream')
927
content_length += self._header_line_length(
928
'Content-Range', 'bytes %d-%d/%d' % (start, end, file_size))
929
content_length += len('\r\n') # end headers
930
content_length += end - start # + 1
931
content_length += len(boundary_line)
932
self.send_header('Content-length', content_length)
935
# Send the multipart body
937
for (start, end) in ranges:
938
self.wfile.write(boundary_line)
939
self.send_header('Content-type', 'application/octet-stream')
940
self.send_header('Content-Range', 'bytes %d-%d/%d'
941
% (start, end, file_size))
943
if cur + self._truncated_ranges >= len(ranges):
944
# Abruptly ends the response and close the connection
945
self.close_connection = 1
947
self.send_range_content(file, start, end - start + 1)
950
self.wfile.write(boundary_line)
953
class TestTruncatedMultipleRangeServer(TestSpecificRequestHandler):
955
_req_handler_class = TruncatedMultipleRangeRequestHandler
958
super(TestTruncatedMultipleRangeServer, self).setUp()
959
self.build_tree_contents([('a', '0123456789')],)
961
def test_readv_with_short_reads(self):
962
server = self.get_readonly_server()
963
t = self._transport(server.get_url())
964
# Force separate ranges for each offset
965
t._bytes_to_read_before_seek = 0
966
ireadv = iter(t.readv('a', ((0, 1), (2, 1), (4, 2), (9, 1))))
967
self.assertEqual((0, '0'), ireadv.next())
968
self.assertEqual((2, '2'), ireadv.next())
969
if not self._testing_pycurl():
970
# Only one request have been issued so far (except for pycurl that
971
# try to read the whole response at once)
972
self.assertEqual(1, server.GET_request_nb)
973
self.assertEqual((4, '45'), ireadv.next())
974
self.assertEqual((9, '9'), ireadv.next())
975
# Both implementations issue 3 requests but:
976
# - urllib does two multiple (4 ranges, then 2 ranges) then a single
978
# - pycurl does two multiple (4 ranges, 4 ranges) then a single range
979
self.assertEqual(3, server.GET_request_nb)
980
# Finally the client have tried a single range request and stays in
982
self.assertEqual('single', t._range_hint)
984
class LimitedRangeRequestHandler(http_server.TestingHTTPRequestHandler):
985
"""Errors out when range specifiers exceed the limit"""
987
def get_multiple_ranges(self, file, file_size, ranges):
988
"""Refuses the multiple ranges request"""
989
tcs = self.server.test_case_server
990
if tcs.range_limit is not None and len(ranges) > tcs.range_limit:
992
# Emulate apache behavior
993
self.send_error(400, "Bad Request")
995
return http_server.TestingHTTPRequestHandler.get_multiple_ranges(
996
self, file, file_size, ranges)
999
class LimitedRangeHTTPServer(http_server.HttpServer):
1000
"""An HttpServer erroring out on requests with too much range specifiers"""
1002
def __init__(self, request_handler=LimitedRangeRequestHandler,
1003
protocol_version=None,
1005
http_server.HttpServer.__init__(self, request_handler,
1006
protocol_version=protocol_version)
1007
self.range_limit = range_limit
1010
class TestLimitedRangeRequestServer(http_utils.TestCaseWithWebserver):
1011
"""Tests readv requests against a server erroring out on too much ranges."""
1013
# Requests with more range specifiers will error out
1016
def create_transport_readonly_server(self):
1017
return LimitedRangeHTTPServer(range_limit=self.range_limit,
1018
protocol_version=self._protocol_version)
1020
def get_transport(self):
1021
return self._transport(self.get_readonly_server().get_url())
1024
http_utils.TestCaseWithWebserver.setUp(self)
1025
# We need to manipulate ranges that correspond to real chunks in the
1026
# response, so we build a content appropriately.
1027
filler = ''.join(['abcdefghij' for x in range(102)])
1028
content = ''.join(['%04d' % v + filler for v in range(16)])
1029
self.build_tree_contents([('a', content)],)
1031
def test_few_ranges(self):
1032
t = self.get_transport()
1033
l = list(t.readv('a', ((0, 4), (1024, 4), )))
1034
self.assertEqual(l[0], (0, '0000'))
1035
self.assertEqual(l[1], (1024, '0001'))
1036
self.assertEqual(1, self.get_readonly_server().GET_request_nb)
1038
def test_more_ranges(self):
1039
t = self.get_transport()
1040
l = list(t.readv('a', ((0, 4), (1024, 4), (4096, 4), (8192, 4))))
1041
self.assertEqual(l[0], (0, '0000'))
1042
self.assertEqual(l[1], (1024, '0001'))
1043
self.assertEqual(l[2], (4096, '0004'))
1044
self.assertEqual(l[3], (8192, '0008'))
1045
# The server will refuse to serve the first request (too much ranges),
1046
# a second request will succeed.
1047
self.assertEqual(2, self.get_readonly_server().GET_request_nb)
1050
class TestHttpProxyWhiteBox(tests.TestCase):
1051
"""Whitebox test proxy http authorization.
1053
Only the urllib implementation is tested here.
1057
tests.TestCase.setUp(self)
1062
tests.TestCase.tearDown(self)
1064
def _install_env(self, env):
1065
for name, value in env.iteritems():
1066
self._old_env[name] = osutils.set_or_unset_env(name, value)
1068
def _restore_env(self):
1069
for name, value in self._old_env.iteritems():
1070
osutils.set_or_unset_env(name, value)
1072
def _proxied_request(self):
1073
handler = _urllib2_wrappers.ProxyHandler()
1074
request = _urllib2_wrappers.Request('GET','http://baz/buzzle')
1075
handler.set_proxy(request, 'http')
1078
def test_empty_user(self):
1079
self._install_env({'http_proxy': 'http://bar.com'})
1080
request = self._proxied_request()
1081
self.assertFalse(request.headers.has_key('Proxy-authorization'))
1083
def test_invalid_proxy(self):
1084
"""A proxy env variable without scheme"""
1085
self._install_env({'http_proxy': 'host:1234'})
1086
self.assertRaises(errors.InvalidURL, self._proxied_request)
1089
class TestProxyHttpServer(http_utils.TestCaseWithTwoWebservers):
1090
"""Tests proxy server.
1092
Be aware that we do not setup a real proxy here. Instead, we
1093
check that the *connection* goes through the proxy by serving
1094
different content (the faked proxy server append '-proxied'
1098
# FIXME: We don't have an https server available, so we don't
1099
# test https connections.
1102
super(TestProxyHttpServer, self).setUp()
1103
self.build_tree_contents([('foo', 'contents of foo\n'),
1104
('foo-proxied', 'proxied contents of foo\n')])
1105
# Let's setup some attributes for tests
1106
self.server = self.get_readonly_server()
1107
self.proxy_address = '%s:%d' % (self.server.host, self.server.port)
1108
if self._testing_pycurl():
1109
# Oh my ! pycurl does not check for the port as part of
1110
# no_proxy :-( So we just test the host part
1111
self.no_proxy_host = 'localhost'
1113
self.no_proxy_host = self.proxy_address
1114
# The secondary server is the proxy
1115
self.proxy = self.get_secondary_server()
1116
self.proxy_url = self.proxy.get_url()
1119
def _testing_pycurl(self):
1120
return pycurl_present and self._transport == PyCurlTransport
1122
def create_transport_secondary_server(self):
1123
"""Creates an http server that will serve files with
1124
'-proxied' appended to their names.
1126
return http_utils.ProxyServer(protocol_version=self._protocol_version)
1128
def _install_env(self, env):
1129
for name, value in env.iteritems():
1130
self._old_env[name] = osutils.set_or_unset_env(name, value)
1132
def _restore_env(self):
1133
for name, value in self._old_env.iteritems():
1134
osutils.set_or_unset_env(name, value)
1136
def proxied_in_env(self, env):
1137
self._install_env(env)
1138
url = self.server.get_url()
1139
t = self._transport(url)
1141
self.assertEqual('proxied contents of foo\n', t.get('foo').read())
1145
def not_proxied_in_env(self, env):
1146
self._install_env(env)
1147
url = self.server.get_url()
1148
t = self._transport(url)
1150
self.assertEqual('contents of foo\n', t.get('foo').read())
1154
def test_http_proxy(self):
1155
self.proxied_in_env({'http_proxy': self.proxy_url})
1157
def test_HTTP_PROXY(self):
1158
if self._testing_pycurl():
1159
# pycurl does not check HTTP_PROXY for security reasons
1160
# (for use in a CGI context that we do not care
1161
# about. Should we ?)
1162
raise tests.TestNotApplicable(
1163
'pycurl does not check HTTP_PROXY for security reasons')
1164
self.proxied_in_env({'HTTP_PROXY': self.proxy_url})
1166
def test_all_proxy(self):
1167
self.proxied_in_env({'all_proxy': self.proxy_url})
1169
def test_ALL_PROXY(self):
1170
self.proxied_in_env({'ALL_PROXY': self.proxy_url})
1172
def test_http_proxy_with_no_proxy(self):
1173
self.not_proxied_in_env({'http_proxy': self.proxy_url,
1174
'no_proxy': self.no_proxy_host})
1176
def test_HTTP_PROXY_with_NO_PROXY(self):
1177
if self._testing_pycurl():
1178
raise tests.TestNotApplicable(
1179
'pycurl does not check HTTP_PROXY for security reasons')
1180
self.not_proxied_in_env({'HTTP_PROXY': self.proxy_url,
1181
'NO_PROXY': self.no_proxy_host})
1183
def test_all_proxy_with_no_proxy(self):
1184
self.not_proxied_in_env({'all_proxy': self.proxy_url,
1185
'no_proxy': self.no_proxy_host})
1187
def test_ALL_PROXY_with_NO_PROXY(self):
1188
self.not_proxied_in_env({'ALL_PROXY': self.proxy_url,
1189
'NO_PROXY': self.no_proxy_host})
1191
def test_http_proxy_without_scheme(self):
1192
if self._testing_pycurl():
1193
# pycurl *ignores* invalid proxy env variables. If that ever change
1194
# in the future, this test will fail indicating that pycurl do not
1195
# ignore anymore such variables.
1196
self.not_proxied_in_env({'http_proxy': self.proxy_address})
1198
self.assertRaises(errors.InvalidURL,
1199
self.proxied_in_env,
1200
{'http_proxy': self.proxy_address})
1203
class TestRanges(http_utils.TestCaseWithWebserver):
1204
"""Test the Range header in GET methods."""
1207
http_utils.TestCaseWithWebserver.setUp(self)
1208
self.build_tree_contents([('a', '0123456789')],)
1209
server = self.get_readonly_server()
1210
self.transport = self._transport(server.get_url())
1212
def create_transport_readonly_server(self):
1213
return http_server.HttpServer(protocol_version=self._protocol_version)
1215
def _file_contents(self, relpath, ranges):
1216
offsets = [ (start, end - start + 1) for start, end in ranges]
1217
coalesce = self.transport._coalesce_offsets
1218
coalesced = list(coalesce(offsets, limit=0, fudge_factor=0))
1219
code, data = self.transport._get(relpath, coalesced)
1220
self.assertTrue(code in (200, 206),'_get returns: %d' % code)
1221
for start, end in ranges:
1223
yield data.read(end - start + 1)
1225
def _file_tail(self, relpath, tail_amount):
1226
code, data = self.transport._get(relpath, [], tail_amount)
1227
self.assertTrue(code in (200, 206),'_get returns: %d' % code)
1228
data.seek(-tail_amount, 2)
1229
return data.read(tail_amount)
1231
def test_range_header(self):
1233
map(self.assertEqual,['0', '234'],
1234
list(self._file_contents('a', [(0,0), (2,4)])),)
1236
def test_range_header_tail(self):
1237
self.assertEqual('789', self._file_tail('a', 3))
1239
def test_syntactically_invalid_range_header(self):
1240
self.assertListRaises(errors.InvalidHttpRange,
1241
self._file_contents, 'a', [(4, 3)])
1243
def test_semantically_invalid_range_header(self):
1244
self.assertListRaises(errors.InvalidHttpRange,
1245
self._file_contents, 'a', [(42, 128)])
1248
class TestHTTPRedirections(http_utils.TestCaseWithRedirectedWebserver):
1249
"""Test redirection between http servers."""
1251
def create_transport_secondary_server(self):
1252
"""Create the secondary server redirecting to the primary server"""
1253
new = self.get_readonly_server()
1255
redirecting = http_utils.HTTPServerRedirecting(
1256
protocol_version=self._protocol_version)
1257
redirecting.redirect_to(new.host, new.port)
1261
super(TestHTTPRedirections, self).setUp()
1262
self.build_tree_contents([('a', '0123456789'),
1264
'# Bazaar revision bundle v0.9\n#\n')
1267
self.old_transport = self._transport(self.old_server.get_url())
1269
def test_redirected(self):
1270
self.assertRaises(errors.RedirectRequested, self.old_transport.get, 'a')
1271
t = self._transport(self.new_server.get_url())
1272
self.assertEqual('0123456789', t.get('a').read())
1274
def test_read_redirected_bundle_from_url(self):
1275
from bzrlib.bundle import read_bundle_from_url
1276
url = self.old_transport.abspath('bundle')
1277
bundle = read_bundle_from_url(url)
1278
# If read_bundle_from_url was successful we get an empty bundle
1279
self.assertEqual([], bundle.revisions)
1282
class RedirectedRequest(_urllib2_wrappers.Request):
1283
"""Request following redirections. """
1285
init_orig = _urllib2_wrappers.Request.__init__
1287
def __init__(self, method, url, *args, **kwargs):
1291
# Since the tests using this class will replace
1292
# _urllib2_wrappers.Request, we can't just call the base class __init__
1294
RedirectedRequest.init_orig(self, method, url, args, kwargs)
1295
self.follow_redirections = True
1298
class TestHTTPSilentRedirections(http_utils.TestCaseWithRedirectedWebserver):
1299
"""Test redirections.
1301
http implementations do not redirect silently anymore (they
1302
do not redirect at all in fact). The mechanism is still in
1303
place at the _urllib2_wrappers.Request level and these tests
1306
For the pycurl implementation
1307
the redirection have been deleted as we may deprecate pycurl
1308
and I have no place to keep a working implementation.
1313
if pycurl_present and self._transport == PyCurlTransport:
1314
raise tests.TestNotApplicable(
1315
"pycurl doesn't redirect silently annymore")
1316
super(TestHTTPSilentRedirections, self).setUp()
1317
self.setup_redirected_request()
1318
self.addCleanup(self.cleanup_redirected_request)
1319
self.build_tree_contents([('a','a'),
1321
('1/a', 'redirected once'),
1323
('2/a', 'redirected twice'),
1325
('3/a', 'redirected thrice'),
1327
('4/a', 'redirected 4 times'),
1329
('5/a', 'redirected 5 times'),
1332
self.old_transport = self._transport(self.old_server.get_url())
1334
def setup_redirected_request(self):
1335
self.original_class = _urllib2_wrappers.Request
1336
_urllib2_wrappers.Request = RedirectedRequest
1338
def cleanup_redirected_request(self):
1339
_urllib2_wrappers.Request = self.original_class
1341
def create_transport_secondary_server(self):
1342
"""Create the secondary server, redirections are defined in the tests"""
1343
return http_utils.HTTPServerRedirecting(
1344
protocol_version=self._protocol_version)
1346
def test_one_redirection(self):
1347
t = self.old_transport
1349
req = RedirectedRequest('GET', t.abspath('a'))
1350
req.follow_redirections = True
1351
new_prefix = 'http://%s:%s' % (self.new_server.host,
1352
self.new_server.port)
1353
self.old_server.redirections = \
1354
[('(.*)', r'%s/1\1' % (new_prefix), 301),]
1355
self.assertEquals('redirected once',t._perform(req).read())
1357
def test_five_redirections(self):
1358
t = self.old_transport
1360
req = RedirectedRequest('GET', t.abspath('a'))
1361
req.follow_redirections = True
1362
old_prefix = 'http://%s:%s' % (self.old_server.host,
1363
self.old_server.port)
1364
new_prefix = 'http://%s:%s' % (self.new_server.host,
1365
self.new_server.port)
1366
self.old_server.redirections = [
1367
('/1(.*)', r'%s/2\1' % (old_prefix), 302),
1368
('/2(.*)', r'%s/3\1' % (old_prefix), 303),
1369
('/3(.*)', r'%s/4\1' % (old_prefix), 307),
1370
('/4(.*)', r'%s/5\1' % (new_prefix), 301),
1371
('(/[^/]+)', r'%s/1\1' % (old_prefix), 301),
1373
self.assertEquals('redirected 5 times',t._perform(req).read())
1376
class TestDoCatchRedirections(http_utils.TestCaseWithRedirectedWebserver):
1377
"""Test transport.do_catching_redirections."""
1380
super(TestDoCatchRedirections, self).setUp()
1381
self.build_tree_contents([('a', '0123456789'),],)
1383
self.old_transport = self._transport(self.old_server.get_url())
1385
def get_a(self, transport):
1386
return transport.get('a')
1388
def test_no_redirection(self):
1389
t = self._transport(self.new_server.get_url())
1391
# We use None for redirected so that we fail if redirected
1392
self.assertEquals('0123456789',
1393
transport.do_catching_redirections(
1394
self.get_a, t, None).read())
1396
def test_one_redirection(self):
1397
self.redirections = 0
1399
def redirected(transport, exception, redirection_notice):
1400
self.redirections += 1
1401
dir, file = urlutils.split(exception.target)
1402
return self._transport(dir)
1404
self.assertEquals('0123456789',
1405
transport.do_catching_redirections(
1406
self.get_a, self.old_transport, redirected).read())
1407
self.assertEquals(1, self.redirections)
1409
def test_redirection_loop(self):
1411
def redirected(transport, exception, redirection_notice):
1412
# By using the redirected url as a base dir for the
1413
# *old* transport, we create a loop: a => a/a =>
1415
return self.old_transport.clone(exception.target)
1417
self.assertRaises(errors.TooManyRedirections,
1418
transport.do_catching_redirections,
1419
self.get_a, self.old_transport, redirected)
1422
class TestAuth(http_utils.TestCaseWithWebserver):
1423
"""Test authentication scheme"""
1425
_auth_header = 'Authorization'
1426
_password_prompt_prefix = ''
1429
super(TestAuth, self).setUp()
1430
self.server = self.get_readonly_server()
1431
self.build_tree_contents([('a', 'contents of a\n'),
1432
('b', 'contents of b\n'),])
1434
def create_transport_readonly_server(self):
1435
if self._auth_scheme == 'basic':
1436
server = http_utils.HTTPBasicAuthServer(
1437
protocol_version=self._protocol_version)
1439
if self._auth_scheme != 'digest':
1440
raise AssertionError('Unknown auth scheme: %r'
1441
% self._auth_scheme)
1442
server = http_utils.HTTPDigestAuthServer(
1443
protocol_version=self._protocol_version)
1446
def _testing_pycurl(self):
1447
return pycurl_present and self._transport == PyCurlTransport
1449
def get_user_url(self, user=None, password=None):
1450
"""Build an url embedding user and password"""
1451
url = '%s://' % self.server._url_protocol
1452
if user is not None:
1454
if password is not None:
1455
url += ':' + password
1457
url += '%s:%s/' % (self.server.host, self.server.port)
1460
def get_user_transport(self, user=None, password=None):
1461
return self._transport(self.get_user_url(user, password))
1463
def test_no_user(self):
1464
self.server.add_user('joe', 'foo')
1465
t = self.get_user_transport()
1466
self.assertRaises(errors.InvalidHttpResponse, t.get, 'a')
1467
# Only one 'Authentication Required' error should occur
1468
self.assertEqual(1, self.server.auth_required_errors)
1470
def test_empty_pass(self):
1471
self.server.add_user('joe', '')
1472
t = self.get_user_transport('joe', '')
1473
self.assertEqual('contents of a\n', t.get('a').read())
1474
# Only one 'Authentication Required' error should occur
1475
self.assertEqual(1, self.server.auth_required_errors)
1477
def test_user_pass(self):
1478
self.server.add_user('joe', 'foo')
1479
t = self.get_user_transport('joe', 'foo')
1480
self.assertEqual('contents of a\n', t.get('a').read())
1481
# Only one 'Authentication Required' error should occur
1482
self.assertEqual(1, self.server.auth_required_errors)
1484
def test_unknown_user(self):
1485
self.server.add_user('joe', 'foo')
1486
t = self.get_user_transport('bill', 'foo')
1487
self.assertRaises(errors.InvalidHttpResponse, t.get, 'a')
1488
# Two 'Authentication Required' errors should occur (the
1489
# initial 'who are you' and 'I don't know you, who are
1491
self.assertEqual(2, self.server.auth_required_errors)
1493
def test_wrong_pass(self):
1494
self.server.add_user('joe', 'foo')
1495
t = self.get_user_transport('joe', 'bar')
1496
self.assertRaises(errors.InvalidHttpResponse, t.get, 'a')
1497
# Two 'Authentication Required' errors should occur (the
1498
# initial 'who are you' and 'this is not you, who are you')
1499
self.assertEqual(2, self.server.auth_required_errors)
1501
def test_prompt_for_password(self):
1502
if self._testing_pycurl():
1503
raise tests.TestNotApplicable(
1504
'pycurl cannot prompt, it handles auth by embedding'
1505
' user:pass in urls only')
1507
self.server.add_user('joe', 'foo')
1508
t = self.get_user_transport('joe', None)
1509
stdout = tests.StringIOWrapper()
1510
ui.ui_factory = tests.TestUIFactory(stdin='foo\n', stdout=stdout)
1511
self.assertEqual('contents of a\n',t.get('a').read())
1512
# stdin should be empty
1513
self.assertEqual('', ui.ui_factory.stdin.readline())
1514
self._check_password_prompt(t._unqualified_scheme, 'joe',
1516
# And we shouldn't prompt again for a different request
1517
# against the same transport.
1518
self.assertEqual('contents of b\n',t.get('b').read())
1520
# And neither against a clone
1521
self.assertEqual('contents of b\n',t2.get('b').read())
1522
# Only one 'Authentication Required' error should occur
1523
self.assertEqual(1, self.server.auth_required_errors)
1525
def _check_password_prompt(self, scheme, user, actual_prompt):
1526
expected_prompt = (self._password_prompt_prefix
1527
+ ("%s %s@%s:%d, Realm: '%s' password: "
1529
user, self.server.host, self.server.port,
1530
self.server.auth_realm)))
1531
self.assertEquals(expected_prompt, actual_prompt)
1533
def test_no_prompt_for_password_when_using_auth_config(self):
1534
if self._testing_pycurl():
1535
raise tests.TestNotApplicable(
1536
'pycurl does not support authentication.conf'
1537
' since it cannot prompt')
1541
stdin_content = 'bar\n' # Not the right password
1542
self.server.add_user(user, password)
1543
t = self.get_user_transport(user, None)
1544
ui.ui_factory = tests.TestUIFactory(stdin=stdin_content,
1545
stdout=tests.StringIOWrapper())
1546
# Create a minimal config file with the right password
1547
conf = config.AuthenticationConfig()
1548
conf._get_config().update(
1549
{'httptest': {'scheme': 'http', 'port': self.server.port,
1550
'user': user, 'password': password}})
1552
# Issue a request to the server to connect
1553
self.assertEqual('contents of a\n',t.get('a').read())
1554
# stdin should have been left untouched
1555
self.assertEqual(stdin_content, ui.ui_factory.stdin.readline())
1556
# Only one 'Authentication Required' error should occur
1557
self.assertEqual(1, self.server.auth_required_errors)
1559
def test_changing_nonce(self):
1560
if self._auth_scheme != 'digest':
1561
raise tests.TestNotApplicable('HTTP auth digest only test')
1562
if self._testing_pycurl():
1563
raise tests.KnownFailure(
1564
'pycurl does not handle a nonce change')
1565
self.server.add_user('joe', 'foo')
1566
t = self.get_user_transport('joe', 'foo')
1567
self.assertEqual('contents of a\n', t.get('a').read())
1568
self.assertEqual('contents of b\n', t.get('b').read())
1569
# Only one 'Authentication Required' error should have
1571
self.assertEqual(1, self.server.auth_required_errors)
1572
# The server invalidates the current nonce
1573
self.server.auth_nonce = self.server.auth_nonce + '. No, now!'
1574
self.assertEqual('contents of a\n', t.get('a').read())
1575
# Two 'Authentication Required' errors should occur (the
1576
# initial 'who are you' and a second 'who are you' with the new nonce)
1577
self.assertEqual(2, self.server.auth_required_errors)
1581
class TestProxyAuth(TestAuth):
1582
"""Test proxy authentication schemes."""
1584
_auth_header = 'Proxy-authorization'
1585
_password_prompt_prefix='Proxy '
1588
super(TestProxyAuth, self).setUp()
1590
self.addCleanup(self._restore_env)
1591
# Override the contents to avoid false positives
1592
self.build_tree_contents([('a', 'not proxied contents of a\n'),
1593
('b', 'not proxied contents of b\n'),
1594
('a-proxied', 'contents of a\n'),
1595
('b-proxied', 'contents of b\n'),
1598
def create_transport_readonly_server(self):
1599
if self._auth_scheme == 'basic':
1600
server = http_utils.ProxyBasicAuthServer(
1601
protocol_version=self._protocol_version)
1603
if self._auth_scheme != 'digest':
1604
raise AssertionError('Unknown auth scheme: %r'
1605
% self._auth_scheme)
1606
server = http_utils.ProxyDigestAuthServer(
1607
protocol_version=self._protocol_version)
1610
def get_user_transport(self, user=None, password=None):
1611
self._install_env({'all_proxy': self.get_user_url(user, password)})
1612
return self._transport(self.server.get_url())
1614
def _install_env(self, env):
1615
for name, value in env.iteritems():
1616
self._old_env[name] = osutils.set_or_unset_env(name, value)
1618
def _restore_env(self):
1619
for name, value in self._old_env.iteritems():
1620
osutils.set_or_unset_env(name, value)
1622
def test_empty_pass(self):
1623
if self._testing_pycurl():
1625
if pycurl.version_info()[1] < '7.16.0':
1626
raise tests.KnownFailure(
1627
'pycurl < 7.16.0 does not handle empty proxy passwords')
1628
super(TestProxyAuth, self).test_empty_pass()
1631
class SampleSocket(object):
1632
"""A socket-like object for use in testing the HTTP request handler."""
1634
def __init__(self, socket_read_content):
1635
"""Constructs a sample socket.
1637
:param socket_read_content: a byte sequence
1639
# Use plain python StringIO so we can monkey-patch the close method to
1640
# not discard the contents.
1641
from StringIO import StringIO
1642
self.readfile = StringIO(socket_read_content)
1643
self.writefile = StringIO()
1644
self.writefile.close = lambda: None
1646
def makefile(self, mode='r', bufsize=None):
1648
return self.readfile
1650
return self.writefile
1653
class SmartHTTPTunnellingTest(tests.TestCaseWithTransport):
1656
super(SmartHTTPTunnellingTest, self).setUp()
1657
# We use the VFS layer as part of HTTP tunnelling tests.
1658
self._captureVar('BZR_NO_SMART_VFS', None)
1659
self.transport_readonly_server = http_utils.HTTPServerWithSmarts
1661
def create_transport_readonly_server(self):
1662
return http_utils.HTTPServerWithSmarts(
1663
protocol_version=self._protocol_version)
1665
def test_open_bzrdir(self):
1666
branch = self.make_branch('relpath')
1667
http_server = self.get_readonly_server()
1668
url = http_server.get_url() + 'relpath'
1669
bd = bzrdir.BzrDir.open(url)
1670
self.assertIsInstance(bd, _mod_remote.RemoteBzrDir)
1672
def test_bulk_data(self):
1673
# We should be able to send and receive bulk data in a single message.
1674
# The 'readv' command in the smart protocol both sends and receives
1675
# bulk data, so we use that.
1676
self.build_tree(['data-file'])
1677
http_server = self.get_readonly_server()
1678
http_transport = self._transport(http_server.get_url())
1679
medium = http_transport.get_smart_medium()
1680
# Since we provide the medium, the url below will be mostly ignored
1681
# during the test, as long as the path is '/'.
1682
remote_transport = remote.RemoteTransport('bzr://fake_host/',
1685
[(0, "c")], list(remote_transport.readv("data-file", [(0,1)])))
1687
def test_http_send_smart_request(self):
1689
post_body = 'hello\n'
1690
expected_reply_body = 'ok\x012\n'
1692
http_server = self.get_readonly_server()
1693
http_transport = self._transport(http_server.get_url())
1694
medium = http_transport.get_smart_medium()
1695
response = medium.send_http_smart_request(post_body)
1696
reply_body = response.read()
1697
self.assertEqual(expected_reply_body, reply_body)
1699
def test_smart_http_server_post_request_handler(self):
1700
httpd = self.get_readonly_server()._get_httpd()
1702
socket = SampleSocket(
1703
'POST /.bzr/smart %s \r\n' % self._protocol_version
1704
# HTTP/1.1 posts must have a Content-Length (but it doesn't hurt
1706
+ 'Content-Length: 6\r\n'
1709
# Beware: the ('localhost', 80) below is the
1710
# client_address parameter, but we don't have one because
1711
# we have defined a socket which is not bound to an
1712
# address. The test framework never uses this client
1713
# address, so far...
1714
request_handler = http_utils.SmartRequestHandler(socket,
1717
response = socket.writefile.getvalue()
1718
self.assertStartsWith(response, '%s 200 ' % self._protocol_version)
1719
# This includes the end of the HTTP headers, and all the body.
1720
expected_end_of_response = '\r\n\r\nok\x012\n'
1721
self.assertEndsWith(response, expected_end_of_response)
1724
class ForbiddenRequestHandler(http_server.TestingHTTPRequestHandler):
1725
"""No smart server here request handler."""
1728
self.send_error(403, "Forbidden")
1731
class SmartClientAgainstNotSmartServer(TestSpecificRequestHandler):
1732
"""Test smart client behaviour against an http server without smarts."""
1734
_req_handler_class = ForbiddenRequestHandler
1736
def test_probe_smart_server(self):
1737
"""Test error handling against server refusing smart requests."""
1738
server = self.get_readonly_server()
1739
t = self._transport(server.get_url())
1740
# No need to build a valid smart request here, the server will not even
1741
# try to interpret it.
1742
self.assertRaises(errors.SmartProtocolError,
1743
t.get_smart_medium().send_http_smart_request,
added
removed
bzrlib/tests/test_http.py
