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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_get_smart_medium(self):
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# For HTTP, get_smart_medium should return the transport object.
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server = self.get_readonly_server()
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http_transport = self._transport(server.get_url())
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medium = http_transport.get_smart_medium()
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self.assertIs(medium, http_transport)
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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'))
755
self.assertEqual(l[2], (0, '0'))
756
self.assertEqual(l[3], (3, '34'))
758
def test_readv_invalid_ranges(self):
759
server = self.get_readonly_server()
760
t = self._transport(server.get_url())
762
# This is intentionally reading off the end of the file
763
# since we are sure that it cannot get there
764
self.assertListRaises((errors.InvalidRange, errors.ShortReadvError,),
765
t.readv, 'a', [(1,1), (8,10)])
767
# This is trying to seek past the end of the file, it should
768
# also raise a special error
769
self.assertListRaises((errors.InvalidRange, errors.ShortReadvError,),
770
t.readv, 'a', [(12,2)])
772
def test_readv_multiple_get_requests(self):
773
server = self.get_readonly_server()
774
t = self._transport(server.get_url())
775
# force transport to issue multiple requests
776
t._max_readv_combine = 1
777
t._max_get_ranges = 1
778
l = list(t.readv('a', ((0, 1), (1, 1), (3, 2), (9, 1))))
779
self.assertEqual(l[0], (0, '0'))
780
self.assertEqual(l[1], (1, '1'))
781
self.assertEqual(l[2], (3, '34'))
782
self.assertEqual(l[3], (9, '9'))
783
# The server should have issued 4 requests
784
self.assertEqual(4, server.GET_request_nb)
786
def test_readv_get_max_size(self):
787
server = self.get_readonly_server()
788
t = self._transport(server.get_url())
789
# force transport to issue multiple requests by limiting the number of
790
# bytes by request. Note that this apply to coalesced offsets only, a
791
# single range will keep its size even if bigger than the limit.
793
l = list(t.readv('a', ((0, 1), (1, 1), (2, 4), (6, 4))))
794
self.assertEqual(l[0], (0, '0'))
795
self.assertEqual(l[1], (1, '1'))
796
self.assertEqual(l[2], (2, '2345'))
797
self.assertEqual(l[3], (6, '6789'))
798
# The server should have issued 3 requests
799
self.assertEqual(3, server.GET_request_nb)
801
def test_complete_readv_leave_pipe_clean(self):
802
server = self.get_readonly_server()
803
t = self._transport(server.get_url())
804
# force transport to issue multiple requests
806
l = list(t.readv('a', ((0, 1), (1, 1), (2, 4), (6, 4))))
807
# The server should have issued 3 requests
808
self.assertEqual(3, server.GET_request_nb)
809
self.assertEqual('0123456789', t.get_bytes('a'))
810
self.assertEqual(4, server.GET_request_nb)
812
def test_incomplete_readv_leave_pipe_clean(self):
813
server = self.get_readonly_server()
814
t = self._transport(server.get_url())
815
# force transport to issue multiple requests
817
# Don't collapse readv results into a list so that we leave unread
818
# bytes on the socket
819
ireadv = iter(t.readv('a', ((0, 1), (1, 1), (2, 4), (6, 4))))
820
self.assertEqual((0, '0'), ireadv.next())
821
# The server should have issued one request so far
822
self.assertEqual(1, server.GET_request_nb)
823
self.assertEqual('0123456789', t.get_bytes('a'))
824
# get_bytes issued an additional request, the readv pending ones are
826
self.assertEqual(2, server.GET_request_nb)
829
class SingleRangeRequestHandler(http_server.TestingHTTPRequestHandler):
830
"""Always reply to range request as if they were single.
832
Don't be explicit about it, just to annoy the clients.
835
def get_multiple_ranges(self, file, file_size, ranges):
836
"""Answer as if it was a single range request and ignores the rest"""
837
(start, end) = ranges[0]
838
return self.get_single_range(file, file_size, start, end)
841
class TestSingleRangeRequestServer(TestRangeRequestServer):
842
"""Test readv against a server which accept only single range requests"""
844
_req_handler_class = SingleRangeRequestHandler
847
class SingleOnlyRangeRequestHandler(http_server.TestingHTTPRequestHandler):
848
"""Only reply to simple range requests, errors out on multiple"""
850
def get_multiple_ranges(self, file, file_size, ranges):
851
"""Refuses the multiple ranges request"""
854
self.send_error(416, "Requested range not satisfiable")
856
(start, end) = ranges[0]
857
return self.get_single_range(file, file_size, start, end)
860
class TestSingleOnlyRangeRequestServer(TestRangeRequestServer):
861
"""Test readv against a server which only accept single range requests"""
863
_req_handler_class = SingleOnlyRangeRequestHandler
866
class NoRangeRequestHandler(http_server.TestingHTTPRequestHandler):
867
"""Ignore range requests without notice"""
870
# Update the statistics
871
self.server.test_case_server.GET_request_nb += 1
872
# Just bypass the range handling done by TestingHTTPRequestHandler
873
return SimpleHTTPServer.SimpleHTTPRequestHandler.do_GET(self)
876
class TestNoRangeRequestServer(TestRangeRequestServer):
877
"""Test readv against a server which do not accept range requests"""
879
_req_handler_class = NoRangeRequestHandler
882
class MultipleRangeWithoutContentLengthRequestHandler(
883
http_server.TestingHTTPRequestHandler):
884
"""Reply to multiple range requests without content length header."""
886
def get_multiple_ranges(self, file, file_size, ranges):
887
self.send_response(206)
888
self.send_header('Accept-Ranges', 'bytes')
889
boundary = "%d" % random.randint(0,0x7FFFFFFF)
890
self.send_header("Content-Type",
891
"multipart/byteranges; boundary=%s" % boundary)
893
for (start, end) in ranges:
894
self.wfile.write("--%s\r\n" % boundary)
895
self.send_header("Content-type", 'application/octet-stream')
896
self.send_header("Content-Range", "bytes %d-%d/%d" % (start,
900
self.send_range_content(file, start, end - start + 1)
902
self.wfile.write("--%s\r\n" % boundary)
905
class TestMultipleRangeWithoutContentLengthServer(TestRangeRequestServer):
907
_req_handler_class = MultipleRangeWithoutContentLengthRequestHandler
910
class TruncatedMultipleRangeRequestHandler(
911
http_server.TestingHTTPRequestHandler):
912
"""Reply to multiple range requests truncating the last ones.
914
This server generates responses whose Content-Length describes all the
915
ranges, but fail to include the last ones leading to client short reads.
916
This has been observed randomly with lighttpd (bug #179368).
919
_truncated_ranges = 2
921
def get_multiple_ranges(self, file, file_size, ranges):
922
self.send_response(206)
923
self.send_header('Accept-Ranges', 'bytes')
925
self.send_header('Content-Type',
926
'multipart/byteranges; boundary=%s' % boundary)
927
boundary_line = '--%s\r\n' % boundary
928
# Calculate the Content-Length
930
for (start, end) in ranges:
931
content_length += len(boundary_line)
932
content_length += self._header_line_length(
933
'Content-type', 'application/octet-stream')
934
content_length += self._header_line_length(
935
'Content-Range', 'bytes %d-%d/%d' % (start, end, file_size))
936
content_length += len('\r\n') # end headers
937
content_length += end - start # + 1
938
content_length += len(boundary_line)
939
self.send_header('Content-length', content_length)
942
# Send the multipart body
944
for (start, end) in ranges:
945
self.wfile.write(boundary_line)
946
self.send_header('Content-type', 'application/octet-stream')
947
self.send_header('Content-Range', 'bytes %d-%d/%d'
948
% (start, end, file_size))
950
if cur + self._truncated_ranges >= len(ranges):
951
# Abruptly ends the response and close the connection
952
self.close_connection = 1
954
self.send_range_content(file, start, end - start + 1)
957
self.wfile.write(boundary_line)
960
class TestTruncatedMultipleRangeServer(TestSpecificRequestHandler):
962
_req_handler_class = TruncatedMultipleRangeRequestHandler
965
super(TestTruncatedMultipleRangeServer, self).setUp()
966
self.build_tree_contents([('a', '0123456789')],)
968
def test_readv_with_short_reads(self):
969
server = self.get_readonly_server()
970
t = self._transport(server.get_url())
971
# Force separate ranges for each offset
972
t._bytes_to_read_before_seek = 0
973
ireadv = iter(t.readv('a', ((0, 1), (2, 1), (4, 2), (9, 1))))
974
self.assertEqual((0, '0'), ireadv.next())
975
self.assertEqual((2, '2'), ireadv.next())
976
if not self._testing_pycurl():
977
# Only one request have been issued so far (except for pycurl that
978
# try to read the whole response at once)
979
self.assertEqual(1, server.GET_request_nb)
980
self.assertEqual((4, '45'), ireadv.next())
981
self.assertEqual((9, '9'), ireadv.next())
982
# Both implementations issue 3 requests but:
983
# - urllib does two multiple (4 ranges, then 2 ranges) then a single
985
# - pycurl does two multiple (4 ranges, 4 ranges) then a single range
986
self.assertEqual(3, server.GET_request_nb)
987
# Finally the client have tried a single range request and stays in
989
self.assertEqual('single', t._range_hint)
991
class LimitedRangeRequestHandler(http_server.TestingHTTPRequestHandler):
992
"""Errors out when range specifiers exceed the limit"""
994
def get_multiple_ranges(self, file, file_size, ranges):
995
"""Refuses the multiple ranges request"""
996
tcs = self.server.test_case_server
997
if tcs.range_limit is not None and len(ranges) > tcs.range_limit:
999
# Emulate apache behavior
1000
self.send_error(400, "Bad Request")
1002
return http_server.TestingHTTPRequestHandler.get_multiple_ranges(
1003
self, file, file_size, ranges)
1006
class LimitedRangeHTTPServer(http_server.HttpServer):
1007
"""An HttpServer erroring out on requests with too much range specifiers"""
1009
def __init__(self, request_handler=LimitedRangeRequestHandler,
1010
protocol_version=None,
1012
http_server.HttpServer.__init__(self, request_handler,
1013
protocol_version=protocol_version)
1014
self.range_limit = range_limit
1017
class TestLimitedRangeRequestServer(http_utils.TestCaseWithWebserver):
1018
"""Tests readv requests against a server erroring out on too much ranges."""
1020
# Requests with more range specifiers will error out
1023
def create_transport_readonly_server(self):
1024
return LimitedRangeHTTPServer(range_limit=self.range_limit,
1025
protocol_version=self._protocol_version)
1027
def get_transport(self):
1028
return self._transport(self.get_readonly_server().get_url())
1031
http_utils.TestCaseWithWebserver.setUp(self)
1032
# We need to manipulate ranges that correspond to real chunks in the
1033
# response, so we build a content appropriately.
1034
filler = ''.join(['abcdefghij' for x in range(102)])
1035
content = ''.join(['%04d' % v + filler for v in range(16)])
1036
self.build_tree_contents([('a', content)],)
1038
def test_few_ranges(self):
1039
t = self.get_transport()
1040
l = list(t.readv('a', ((0, 4), (1024, 4), )))
1041
self.assertEqual(l[0], (0, '0000'))
1042
self.assertEqual(l[1], (1024, '0001'))
1043
self.assertEqual(1, self.get_readonly_server().GET_request_nb)
1045
def test_more_ranges(self):
1046
t = self.get_transport()
1047
l = list(t.readv('a', ((0, 4), (1024, 4), (4096, 4), (8192, 4))))
1048
self.assertEqual(l[0], (0, '0000'))
1049
self.assertEqual(l[1], (1024, '0001'))
1050
self.assertEqual(l[2], (4096, '0004'))
1051
self.assertEqual(l[3], (8192, '0008'))
1052
# The server will refuse to serve the first request (too much ranges),
1053
# a second request will succeed.
1054
self.assertEqual(2, self.get_readonly_server().GET_request_nb)
1057
class TestHttpProxyWhiteBox(tests.TestCase):
1058
"""Whitebox test proxy http authorization.
1060
Only the urllib implementation is tested here.
1064
tests.TestCase.setUp(self)
1069
tests.TestCase.tearDown(self)
1071
def _install_env(self, env):
1072
for name, value in env.iteritems():
1073
self._old_env[name] = osutils.set_or_unset_env(name, value)
1075
def _restore_env(self):
1076
for name, value in self._old_env.iteritems():
1077
osutils.set_or_unset_env(name, value)
1079
def _proxied_request(self):
1080
handler = _urllib2_wrappers.ProxyHandler()
1081
request = _urllib2_wrappers.Request('GET','http://baz/buzzle')
1082
handler.set_proxy(request, 'http')
1085
def test_empty_user(self):
1086
self._install_env({'http_proxy': 'http://bar.com'})
1087
request = self._proxied_request()
1088
self.assertFalse(request.headers.has_key('Proxy-authorization'))
1090
def test_invalid_proxy(self):
1091
"""A proxy env variable without scheme"""
1092
self._install_env({'http_proxy': 'host:1234'})
1093
self.assertRaises(errors.InvalidURL, self._proxied_request)
1096
class TestProxyHttpServer(http_utils.TestCaseWithTwoWebservers):
1097
"""Tests proxy server.
1099
Be aware that we do not setup a real proxy here. Instead, we
1100
check that the *connection* goes through the proxy by serving
1101
different content (the faked proxy server append '-proxied'
1105
# FIXME: We don't have an https server available, so we don't
1106
# test https connections.
1109
super(TestProxyHttpServer, self).setUp()
1110
self.build_tree_contents([('foo', 'contents of foo\n'),
1111
('foo-proxied', 'proxied contents of foo\n')])
1112
# Let's setup some attributes for tests
1113
self.server = self.get_readonly_server()
1114
self.proxy_address = '%s:%d' % (self.server.host, self.server.port)
1115
if self._testing_pycurl():
1116
# Oh my ! pycurl does not check for the port as part of
1117
# no_proxy :-( So we just test the host part
1118
self.no_proxy_host = 'localhost'
1120
self.no_proxy_host = self.proxy_address
1121
# The secondary server is the proxy
1122
self.proxy = self.get_secondary_server()
1123
self.proxy_url = self.proxy.get_url()
1126
def _testing_pycurl(self):
1127
return pycurl_present and self._transport == PyCurlTransport
1129
def create_transport_secondary_server(self):
1130
"""Creates an http server that will serve files with
1131
'-proxied' appended to their names.
1133
return http_utils.ProxyServer(protocol_version=self._protocol_version)
1135
def _install_env(self, env):
1136
for name, value in env.iteritems():
1137
self._old_env[name] = osutils.set_or_unset_env(name, value)
1139
def _restore_env(self):
1140
for name, value in self._old_env.iteritems():
1141
osutils.set_or_unset_env(name, value)
1143
def proxied_in_env(self, env):
1144
self._install_env(env)
1145
url = self.server.get_url()
1146
t = self._transport(url)
1148
self.assertEqual(t.get('foo').read(), 'proxied contents of foo\n')
1152
def not_proxied_in_env(self, env):
1153
self._install_env(env)
1154
url = self.server.get_url()
1155
t = self._transport(url)
1157
self.assertEqual(t.get('foo').read(), 'contents of foo\n')
1161
def test_http_proxy(self):
1162
self.proxied_in_env({'http_proxy': self.proxy_url})
1164
def test_HTTP_PROXY(self):
1165
if self._testing_pycurl():
1166
# pycurl does not check HTTP_PROXY for security reasons
1167
# (for use in a CGI context that we do not care
1168
# about. Should we ?)
1169
raise tests.TestNotApplicable(
1170
'pycurl does not check HTTP_PROXY for security reasons')
1171
self.proxied_in_env({'HTTP_PROXY': self.proxy_url})
1173
def test_all_proxy(self):
1174
self.proxied_in_env({'all_proxy': self.proxy_url})
1176
def test_ALL_PROXY(self):
1177
self.proxied_in_env({'ALL_PROXY': self.proxy_url})
1179
def test_http_proxy_with_no_proxy(self):
1180
self.not_proxied_in_env({'http_proxy': self.proxy_url,
1181
'no_proxy': self.no_proxy_host})
1183
def test_HTTP_PROXY_with_NO_PROXY(self):
1184
if self._testing_pycurl():
1185
raise tests.TestNotApplicable(
1186
'pycurl does not check HTTP_PROXY for security reasons')
1187
self.not_proxied_in_env({'HTTP_PROXY': self.proxy_url,
1188
'NO_PROXY': self.no_proxy_host})
1190
def test_all_proxy_with_no_proxy(self):
1191
self.not_proxied_in_env({'all_proxy': self.proxy_url,
1192
'no_proxy': self.no_proxy_host})
1194
def test_ALL_PROXY_with_NO_PROXY(self):
1195
self.not_proxied_in_env({'ALL_PROXY': self.proxy_url,
1196
'NO_PROXY': self.no_proxy_host})
1198
def test_http_proxy_without_scheme(self):
1199
if self._testing_pycurl():
1200
# pycurl *ignores* invalid proxy env variables. If that ever change
1201
# in the future, this test will fail indicating that pycurl do not
1202
# ignore anymore such variables.
1203
self.not_proxied_in_env({'http_proxy': self.proxy_address})
1205
self.assertRaises(errors.InvalidURL,
1206
self.proxied_in_env,
1207
{'http_proxy': self.proxy_address})
1210
class TestRanges(http_utils.TestCaseWithWebserver):
1211
"""Test the Range header in GET methods."""
1214
http_utils.TestCaseWithWebserver.setUp(self)
1215
self.build_tree_contents([('a', '0123456789')],)
1216
server = self.get_readonly_server()
1217
self.transport = self._transport(server.get_url())
1219
def create_transport_readonly_server(self):
1220
return http_server.HttpServer(protocol_version=self._protocol_version)
1222
def _file_contents(self, relpath, ranges):
1223
offsets = [ (start, end - start + 1) for start, end in ranges]
1224
coalesce = self.transport._coalesce_offsets
1225
coalesced = list(coalesce(offsets, limit=0, fudge_factor=0))
1226
code, data = self.transport._get(relpath, coalesced)
1227
self.assertTrue(code in (200, 206),'_get returns: %d' % code)
1228
for start, end in ranges:
1230
yield data.read(end - start + 1)
1232
def _file_tail(self, relpath, tail_amount):
1233
code, data = self.transport._get(relpath, [], tail_amount)
1234
self.assertTrue(code in (200, 206),'_get returns: %d' % code)
1235
data.seek(-tail_amount, 2)
1236
return data.read(tail_amount)
1238
def test_range_header(self):
1240
map(self.assertEqual,['0', '234'],
1241
list(self._file_contents('a', [(0,0), (2,4)])),)
1243
def test_range_header_tail(self):
1244
self.assertEqual('789', self._file_tail('a', 3))
1246
def test_syntactically_invalid_range_header(self):
1247
self.assertListRaises(errors.InvalidHttpRange,
1248
self._file_contents, 'a', [(4, 3)])
1250
def test_semantically_invalid_range_header(self):
1251
self.assertListRaises(errors.InvalidHttpRange,
1252
self._file_contents, 'a', [(42, 128)])
1255
class TestHTTPRedirections(http_utils.TestCaseWithRedirectedWebserver):
1256
"""Test redirection between http servers."""
1258
def create_transport_secondary_server(self):
1259
"""Create the secondary server redirecting to the primary server"""
1260
new = self.get_readonly_server()
1262
redirecting = http_utils.HTTPServerRedirecting(
1263
protocol_version=self._protocol_version)
1264
redirecting.redirect_to(new.host, new.port)
1268
super(TestHTTPRedirections, self).setUp()
1269
self.build_tree_contents([('a', '0123456789'),
1271
'# Bazaar revision bundle v0.9\n#\n')
1274
self.old_transport = self._transport(self.old_server.get_url())
1276
def test_redirected(self):
1277
self.assertRaises(errors.RedirectRequested, self.old_transport.get, 'a')
1278
t = self._transport(self.new_server.get_url())
1279
self.assertEqual('0123456789', t.get('a').read())
1281
def test_read_redirected_bundle_from_url(self):
1282
from bzrlib.bundle import read_bundle_from_url
1283
url = self.old_transport.abspath('bundle')
1284
bundle = read_bundle_from_url(url)
1285
# If read_bundle_from_url was successful we get an empty bundle
1286
self.assertEqual([], bundle.revisions)
1289
class RedirectedRequest(_urllib2_wrappers.Request):
1290
"""Request following redirections. """
1292
init_orig = _urllib2_wrappers.Request.__init__
1294
def __init__(self, method, url, *args, **kwargs):
1298
# Since the tests using this class will replace
1299
# _urllib2_wrappers.Request, we can't just call the base class __init__
1301
RedirectedRequest.init_orig(self, method, url, args, kwargs)
1302
self.follow_redirections = True
1305
class TestHTTPSilentRedirections(http_utils.TestCaseWithRedirectedWebserver):
1306
"""Test redirections.
1308
http implementations do not redirect silently anymore (they
1309
do not redirect at all in fact). The mechanism is still in
1310
place at the _urllib2_wrappers.Request level and these tests
1313
For the pycurl implementation
1314
the redirection have been deleted as we may deprecate pycurl
1315
and I have no place to keep a working implementation.
1320
if pycurl_present and self._transport == PyCurlTransport:
1321
raise tests.TestNotApplicable(
1322
"pycurl doesn't redirect silently annymore")
1323
super(TestHTTPSilentRedirections, self).setUp()
1324
self.setup_redirected_request()
1325
self.addCleanup(self.cleanup_redirected_request)
1326
self.build_tree_contents([('a','a'),
1328
('1/a', 'redirected once'),
1330
('2/a', 'redirected twice'),
1332
('3/a', 'redirected thrice'),
1334
('4/a', 'redirected 4 times'),
1336
('5/a', 'redirected 5 times'),
1339
self.old_transport = self._transport(self.old_server.get_url())
1341
def setup_redirected_request(self):
1342
self.original_class = _urllib2_wrappers.Request
1343
_urllib2_wrappers.Request = RedirectedRequest
1345
def cleanup_redirected_request(self):
1346
_urllib2_wrappers.Request = self.original_class
1348
def create_transport_secondary_server(self):
1349
"""Create the secondary server, redirections are defined in the tests"""
1350
return http_utils.HTTPServerRedirecting(
1351
protocol_version=self._protocol_version)
1353
def test_one_redirection(self):
1354
t = self.old_transport
1356
req = RedirectedRequest('GET', t.abspath('a'))
1357
req.follow_redirections = True
1358
new_prefix = 'http://%s:%s' % (self.new_server.host,
1359
self.new_server.port)
1360
self.old_server.redirections = \
1361
[('(.*)', r'%s/1\1' % (new_prefix), 301),]
1362
self.assertEquals('redirected once',t._perform(req).read())
1364
def test_five_redirections(self):
1365
t = self.old_transport
1367
req = RedirectedRequest('GET', t.abspath('a'))
1368
req.follow_redirections = True
1369
old_prefix = 'http://%s:%s' % (self.old_server.host,
1370
self.old_server.port)
1371
new_prefix = 'http://%s:%s' % (self.new_server.host,
1372
self.new_server.port)
1373
self.old_server.redirections = [
1374
('/1(.*)', r'%s/2\1' % (old_prefix), 302),
1375
('/2(.*)', r'%s/3\1' % (old_prefix), 303),
1376
('/3(.*)', r'%s/4\1' % (old_prefix), 307),
1377
('/4(.*)', r'%s/5\1' % (new_prefix), 301),
1378
('(/[^/]+)', r'%s/1\1' % (old_prefix), 301),
1380
self.assertEquals('redirected 5 times',t._perform(req).read())
1383
class TestDoCatchRedirections(http_utils.TestCaseWithRedirectedWebserver):
1384
"""Test transport.do_catching_redirections."""
1387
super(TestDoCatchRedirections, self).setUp()
1388
self.build_tree_contents([('a', '0123456789'),],)
1390
self.old_transport = self._transport(self.old_server.get_url())
1392
def get_a(self, transport):
1393
return transport.get('a')
1395
def test_no_redirection(self):
1396
t = self._transport(self.new_server.get_url())
1398
# We use None for redirected so that we fail if redirected
1399
self.assertEquals('0123456789',
1400
transport.do_catching_redirections(
1401
self.get_a, t, None).read())
1403
def test_one_redirection(self):
1404
self.redirections = 0
1406
def redirected(transport, exception, redirection_notice):
1407
self.redirections += 1
1408
dir, file = urlutils.split(exception.target)
1409
return self._transport(dir)
1411
self.assertEquals('0123456789',
1412
transport.do_catching_redirections(
1413
self.get_a, self.old_transport, redirected).read())
1414
self.assertEquals(1, self.redirections)
1416
def test_redirection_loop(self):
1418
def redirected(transport, exception, redirection_notice):
1419
# By using the redirected url as a base dir for the
1420
# *old* transport, we create a loop: a => a/a =>
1422
return self.old_transport.clone(exception.target)
1424
self.assertRaises(errors.TooManyRedirections,
1425
transport.do_catching_redirections,
1426
self.get_a, self.old_transport, redirected)
1429
class TestAuth(http_utils.TestCaseWithWebserver):
1430
"""Test authentication scheme"""
1432
_auth_header = 'Authorization'
1433
_password_prompt_prefix = ''
1436
super(TestAuth, self).setUp()
1437
self.server = self.get_readonly_server()
1438
self.build_tree_contents([('a', 'contents of a\n'),
1439
('b', 'contents of b\n'),])
1441
def create_transport_readonly_server(self):
1442
if self._auth_scheme == 'basic':
1443
server = http_utils.HTTPBasicAuthServer(
1444
protocol_version=self._protocol_version)
1446
if self._auth_scheme != 'digest':
1447
raise AssertionError('Unknown auth scheme: %r'
1448
% self._auth_scheme)
1449
server = http_utils.HTTPDigestAuthServer(
1450
protocol_version=self._protocol_version)
1453
def _testing_pycurl(self):
1454
return pycurl_present and self._transport == PyCurlTransport
1456
def get_user_url(self, user=None, password=None):
1457
"""Build an url embedding user and password"""
1458
url = '%s://' % self.server._url_protocol
1459
if user is not None:
1461
if password is not None:
1462
url += ':' + password
1464
url += '%s:%s/' % (self.server.host, self.server.port)
1467
def get_user_transport(self, user=None, password=None):
1468
return self._transport(self.get_user_url(user, password))
1470
def test_no_user(self):
1471
self.server.add_user('joe', 'foo')
1472
t = self.get_user_transport()
1473
self.assertRaises(errors.InvalidHttpResponse, t.get, 'a')
1474
# Only one 'Authentication Required' error should occur
1475
self.assertEqual(1, self.server.auth_required_errors)
1477
def test_empty_pass(self):
1478
self.server.add_user('joe', '')
1479
t = self.get_user_transport('joe', '')
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_user_pass(self):
1485
self.server.add_user('joe', 'foo')
1486
t = self.get_user_transport('joe', 'foo')
1487
self.assertEqual('contents of a\n', t.get('a').read())
1488
# Only one 'Authentication Required' error should occur
1489
self.assertEqual(1, self.server.auth_required_errors)
1491
def test_unknown_user(self):
1492
self.server.add_user('joe', 'foo')
1493
t = self.get_user_transport('bill', 'foo')
1494
self.assertRaises(errors.InvalidHttpResponse, t.get, 'a')
1495
# Two 'Authentication Required' errors should occur (the
1496
# initial 'who are you' and 'I don't know you, who are
1498
self.assertEqual(2, self.server.auth_required_errors)
1500
def test_wrong_pass(self):
1501
self.server.add_user('joe', 'foo')
1502
t = self.get_user_transport('joe', 'bar')
1503
self.assertRaises(errors.InvalidHttpResponse, t.get, 'a')
1504
# Two 'Authentication Required' errors should occur (the
1505
# initial 'who are you' and 'this is not you, who are you')
1506
self.assertEqual(2, self.server.auth_required_errors)
1508
def test_prompt_for_password(self):
1509
if self._testing_pycurl():
1510
raise tests.TestNotApplicable(
1511
'pycurl cannot prompt, it handles auth by embedding'
1512
' user:pass in urls only')
1514
self.server.add_user('joe', 'foo')
1515
t = self.get_user_transport('joe', None)
1516
stdout = tests.StringIOWrapper()
1517
ui.ui_factory = tests.TestUIFactory(stdin='foo\n', stdout=stdout)
1518
self.assertEqual('contents of a\n',t.get('a').read())
1519
# stdin should be empty
1520
self.assertEqual('', ui.ui_factory.stdin.readline())
1521
self._check_password_prompt(t._unqualified_scheme, 'joe',
1523
# And we shouldn't prompt again for a different request
1524
# against the same transport.
1525
self.assertEqual('contents of b\n',t.get('b').read())
1527
# And neither against a clone
1528
self.assertEqual('contents of b\n',t2.get('b').read())
1529
# Only one 'Authentication Required' error should occur
1530
self.assertEqual(1, self.server.auth_required_errors)
1532
def _check_password_prompt(self, scheme, user, actual_prompt):
1533
expected_prompt = (self._password_prompt_prefix
1534
+ ("%s %s@%s:%d, Realm: '%s' password: "
1536
user, self.server.host, self.server.port,
1537
self.server.auth_realm)))
1538
self.assertEquals(expected_prompt, actual_prompt)
1540
def test_no_prompt_for_password_when_using_auth_config(self):
1541
if self._testing_pycurl():
1542
raise tests.TestNotApplicable(
1543
'pycurl does not support authentication.conf'
1544
' since it cannot prompt')
1548
stdin_content = 'bar\n' # Not the right password
1549
self.server.add_user(user, password)
1550
t = self.get_user_transport(user, None)
1551
ui.ui_factory = tests.TestUIFactory(stdin=stdin_content,
1552
stdout=tests.StringIOWrapper())
1553
# Create a minimal config file with the right password
1554
conf = config.AuthenticationConfig()
1555
conf._get_config().update(
1556
{'httptest': {'scheme': 'http', 'port': self.server.port,
1557
'user': user, 'password': password}})
1559
# Issue a request to the server to connect
1560
self.assertEqual('contents of a\n',t.get('a').read())
1561
# stdin should have been left untouched
1562
self.assertEqual(stdin_content, ui.ui_factory.stdin.readline())
1563
# Only one 'Authentication Required' error should occur
1564
self.assertEqual(1, self.server.auth_required_errors)
1566
def test_changing_nonce(self):
1567
if self._auth_scheme != 'digest':
1568
raise tests.TestNotApplicable('HTTP auth digest only test')
1569
if self._testing_pycurl():
1570
raise tests.KnownFailure(
1571
'pycurl does not handle a nonce change')
1572
self.server.add_user('joe', 'foo')
1573
t = self.get_user_transport('joe', 'foo')
1574
self.assertEqual('contents of a\n', t.get('a').read())
1575
self.assertEqual('contents of b\n', t.get('b').read())
1576
# Only one 'Authentication Required' error should have
1578
self.assertEqual(1, self.server.auth_required_errors)
1579
# The server invalidates the current nonce
1580
self.server.auth_nonce = self.server.auth_nonce + '. No, now!'
1581
self.assertEqual('contents of a\n', t.get('a').read())
1582
# Two 'Authentication Required' errors should occur (the
1583
# initial 'who are you' and a second 'who are you' with the new nonce)
1584
self.assertEqual(2, self.server.auth_required_errors)
1588
class TestProxyAuth(TestAuth):
1589
"""Test proxy authentication schemes."""
1591
_auth_header = 'Proxy-authorization'
1592
_password_prompt_prefix='Proxy '
1595
super(TestProxyAuth, self).setUp()
1597
self.addCleanup(self._restore_env)
1598
# Override the contents to avoid false positives
1599
self.build_tree_contents([('a', 'not proxied contents of a\n'),
1600
('b', 'not proxied contents of b\n'),
1601
('a-proxied', 'contents of a\n'),
1602
('b-proxied', 'contents of b\n'),
1605
def create_transport_readonly_server(self):
1606
if self._auth_scheme == 'basic':
1607
server = http_utils.ProxyBasicAuthServer(
1608
protocol_version=self._protocol_version)
1610
if self._auth_scheme != 'digest':
1611
raise AssertionError('Unknown auth scheme: %r'
1612
% self._auth_scheme)
1613
server = http_utils.ProxyDigestAuthServer(
1614
protocol_version=self._protocol_version)
1617
def get_user_transport(self, user=None, password=None):
1618
self._install_env({'all_proxy': self.get_user_url(user, password)})
1619
return self._transport(self.server.get_url())
1621
def _install_env(self, env):
1622
for name, value in env.iteritems():
1623
self._old_env[name] = osutils.set_or_unset_env(name, value)
1625
def _restore_env(self):
1626
for name, value in self._old_env.iteritems():
1627
osutils.set_or_unset_env(name, value)
1629
def test_empty_pass(self):
1630
if self._testing_pycurl():
1632
if pycurl.version_info()[1] < '7.16.0':
1633
raise tests.KnownFailure(
1634
'pycurl < 7.16.0 does not handle empty proxy passwords')
1635
super(TestProxyAuth, self).test_empty_pass()
1638
class SampleSocket(object):
1639
"""A socket-like object for use in testing the HTTP request handler."""
1641
def __init__(self, socket_read_content):
1642
"""Constructs a sample socket.
1644
:param socket_read_content: a byte sequence
1646
# Use plain python StringIO so we can monkey-patch the close method to
1647
# not discard the contents.
1648
from StringIO import StringIO
1649
self.readfile = StringIO(socket_read_content)
1650
self.writefile = StringIO()
1651
self.writefile.close = lambda: None
1653
def makefile(self, mode='r', bufsize=None):
1655
return self.readfile
1657
return self.writefile
1660
class SmartHTTPTunnellingTest(tests.TestCaseWithTransport):
1663
super(SmartHTTPTunnellingTest, self).setUp()
1664
# We use the VFS layer as part of HTTP tunnelling tests.
1665
self._captureVar('BZR_NO_SMART_VFS', None)
1666
self.transport_readonly_server = http_utils.HTTPServerWithSmarts
1668
def create_transport_readonly_server(self):
1669
return http_utils.HTTPServerWithSmarts(
1670
protocol_version=self._protocol_version)
1672
def test_open_bzrdir(self):
1673
branch = self.make_branch('relpath')
1674
http_server = self.get_readonly_server()
1675
url = http_server.get_url() + 'relpath'
1676
bd = bzrdir.BzrDir.open(url)
1677
self.assertIsInstance(bd, _mod_remote.RemoteBzrDir)
1679
def test_bulk_data(self):
1680
# We should be able to send and receive bulk data in a single message.
1681
# The 'readv' command in the smart protocol both sends and receives
1682
# bulk data, so we use that.
1683
self.build_tree(['data-file'])
1684
http_server = self.get_readonly_server()
1685
http_transport = self._transport(http_server.get_url())
1686
medium = http_transport.get_smart_medium()
1687
# Since we provide the medium, the url below will be mostly ignored
1688
# during the test, as long as the path is '/'.
1689
remote_transport = remote.RemoteTransport('bzr://fake_host/',
1692
[(0, "c")], list(remote_transport.readv("data-file", [(0,1)])))
1694
def test_http_send_smart_request(self):
1696
post_body = 'hello\n'
1697
expected_reply_body = 'ok\x012\n'
1699
http_server = self.get_readonly_server()
1700
http_transport = self._transport(http_server.get_url())
1701
medium = http_transport.get_smart_medium()
1702
response = medium.send_http_smart_request(post_body)
1703
reply_body = response.read()
1704
self.assertEqual(expected_reply_body, reply_body)
1706
def test_smart_http_server_post_request_handler(self):
1707
httpd = self.get_readonly_server()._get_httpd()
1709
socket = SampleSocket(
1710
'POST /.bzr/smart %s \r\n' % self._protocol_version
1711
# HTTP/1.1 posts must have a Content-Length (but it doesn't hurt
1713
+ 'Content-Length: 6\r\n'
1716
# Beware: the ('localhost', 80) below is the
1717
# client_address parameter, but we don't have one because
1718
# we have defined a socket which is not bound to an
1719
# address. The test framework never uses this client
1720
# address, so far...
1721
request_handler = http_utils.SmartRequestHandler(socket,
1724
response = socket.writefile.getvalue()
1725
self.assertStartsWith(response, '%s 200 ' % self._protocol_version)
1726
# This includes the end of the HTTP headers, and all the body.
1727
expected_end_of_response = '\r\n\r\nok\x012\n'
1728
self.assertEndsWith(response, expected_end_of_response)
1731
class ForbiddenRequestHandler(http_server.TestingHTTPRequestHandler):
1732
"""No smart server here request handler."""
1735
self.send_error(403, "Forbidden")
1738
class SmartClientAgainstNotSmartServer(TestSpecificRequestHandler):
1739
"""Test smart client behaviour against an http server without smarts."""
1741
_req_handler_class = ForbiddenRequestHandler
1743
def test_probe_smart_server(self):
1744
"""Test error handling against server refusing smart requests."""
1745
server = self.get_readonly_server()
1746
t = self._transport(server.get_url())
1747
# No need to build a valid smart request here, the server will not even
1748
# try to interpret it.
1749
self.assertRaises(errors.SmartProtocolError,
1750
t.send_http_smart_request, 'whatever')
added
removed
bzrlib/tests/test_http.py
