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# Copyright (C) 2005, 2006, 2007, 2008, 2009 Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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"""Tests for HTTP implementations.
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This module defines a load_tests() method that parametrize tests classes for
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transport implementation, http protocol versions and authentication schemes.
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# TODO: Should be renamed to bzrlib.transport.http.tests?
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# TODO: What about renaming to bzrlib.tests.transport.http ?
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from cStringIO import StringIO
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import SimpleHTTPServer
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remote as _mod_remote,
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from bzrlib.symbol_versioning import (
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from bzrlib.tests import (
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from bzrlib.transport import (
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from bzrlib.transport.http import (
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from bzrlib.transport.http._pycurl import PyCurlTransport
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except errors.DependencyNotPresent:
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pycurl_present = False
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def load_tests(standard_tests, module, loader):
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"""Multiply tests for http clients and protocol versions."""
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result = loader.suiteClass()
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# one for each transport implementation
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t_tests, remaining_tests = tests.split_suite_by_condition(
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standard_tests, tests.condition_isinstance((
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TestHttpTransportRegistration,
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TestHttpTransportUrls,
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transport_scenarios = [
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('urllib', dict(_transport=_urllib.HttpTransport_urllib,
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_server=http_server.HttpServer_urllib,
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_qualified_prefix='http+urllib',)),
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transport_scenarios.append(
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('pycurl', dict(_transport=PyCurlTransport,
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_server=http_server.HttpServer_PyCurl,
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_qualified_prefix='http+pycurl',)))
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tests.multiply_tests(t_tests, transport_scenarios, result)
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# each implementation tested with each HTTP version
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tp_tests, remaining_tests = tests.split_suite_by_condition(
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remaining_tests, tests.condition_isinstance((
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SmartHTTPTunnellingTest,
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TestDoCatchRedirections,
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TestHTTPRedirections,
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TestHTTPSilentRedirections,
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TestLimitedRangeRequestServer,
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TestSpecificRequestHandler,
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protocol_scenarios = [
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('HTTP/1.0', dict(_protocol_version='HTTP/1.0')),
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('HTTP/1.1', dict(_protocol_version='HTTP/1.1')),
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tp_scenarios = tests.multiply_scenarios(transport_scenarios,
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tests.multiply_tests(tp_tests, tp_scenarios, result)
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# auth: each auth scheme on all http versions on all implementations.
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tpa_tests, remaining_tests = tests.split_suite_by_condition(
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remaining_tests, tests.condition_isinstance((
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auth_scheme_scenarios = [
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('basic', dict(_auth_scheme='basic')),
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('digest', dict(_auth_scheme='digest')),
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tpa_scenarios = tests.multiply_scenarios(tp_scenarios,
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auth_scheme_scenarios)
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tests.multiply_tests(tpa_tests, tpa_scenarios, result)
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# activity: activity on all http versions on all implementations
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tpact_tests, remaining_tests = tests.split_suite_by_condition(
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remaining_tests, tests.condition_isinstance((
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activity_scenarios = [
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('http', dict(_activity_server=ActivityHTTPServer)),
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if tests.HTTPSServerFeature.available():
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activity_scenarios.append(
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('https', dict(_activity_server=ActivityHTTPSServer)))
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tpact_scenarios = tests.multiply_scenarios(tp_scenarios,
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tests.multiply_tests(tpact_tests, tpact_scenarios, result)
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# No parametrization for the remaining tests
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result.addTests(remaining_tests)
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class FakeManager(object):
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self.credentials = []
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def add_password(self, realm, host, username, password):
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self.credentials.append([realm, host, username, password])
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class RecordingServer(object):
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"""A fake HTTP server.
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It records the bytes sent to it, and replies with a 200.
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def __init__(self, expect_body_tail=None):
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:type expect_body_tail: str
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:param expect_body_tail: a reply won't be sent until this string is
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self._expect_body_tail = expect_body_tail
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self.received_bytes = ''
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self._sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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self._sock.bind(('127.0.0.1', 0))
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self.host, self.port = self._sock.getsockname()
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self._ready = threading.Event()
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self._thread = threading.Thread(target=self._accept_read_and_reply)
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self._thread.setDaemon(True)
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def _accept_read_and_reply(self):
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self._sock.settimeout(5)
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conn, address = self._sock.accept()
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# On win32, the accepted connection will be non-blocking to start
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# with because we're using settimeout.
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conn.setblocking(True)
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while not self.received_bytes.endswith(self._expect_body_tail):
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self.received_bytes += conn.recv(4096)
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conn.sendall('HTTP/1.1 200 OK\r\n')
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except socket.timeout:
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# Make sure the client isn't stuck waiting for us to e.g. accept.
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# The client may have already closed the socket.
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# We might have already closed it. We don't care.
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class TestAuthHeader(tests.TestCase):
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def parse_header(self, header):
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ah = _urllib2_wrappers.AbstractAuthHandler()
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return ah._parse_auth_header(header)
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def test_empty_header(self):
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scheme, remainder = self.parse_header('')
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self.assertEquals('', scheme)
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self.assertIs(None, remainder)
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def test_negotiate_header(self):
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scheme, remainder = self.parse_header('Negotiate')
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self.assertEquals('negotiate', scheme)
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self.assertIs(None, remainder)
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def test_basic_header(self):
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scheme, remainder = self.parse_header(
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'Basic realm="Thou should not pass"')
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self.assertEquals('basic', scheme)
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self.assertEquals('realm="Thou should not pass"', remainder)
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def test_digest_header(self):
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scheme, remainder = self.parse_header(
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'Digest realm="Thou should not pass"')
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self.assertEquals('digest', scheme)
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self.assertEquals('realm="Thou should not pass"', remainder)
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class TestHTTPServer(tests.TestCase):
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"""Test the HTTP servers implementations."""
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def test_invalid_protocol(self):
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class BogusRequestHandler(http_server.TestingHTTPRequestHandler):
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protocol_version = 'HTTP/0.1'
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server = http_server.HttpServer(BogusRequestHandler)
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self.assertRaises(httplib.UnknownProtocol,server.setUp)
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self.fail('HTTP Server creation did not raise UnknownProtocol')
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def test_force_invalid_protocol(self):
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server = http_server.HttpServer(protocol_version='HTTP/0.1')
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self.assertRaises(httplib.UnknownProtocol,server.setUp)
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self.fail('HTTP Server creation did not raise UnknownProtocol')
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def test_server_start_and_stop(self):
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server = http_server.HttpServer()
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self.assertTrue(server._http_running)
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self.assertFalse(server._http_running)
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def test_create_http_server_one_zero(self):
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class RequestHandlerOneZero(http_server.TestingHTTPRequestHandler):
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protocol_version = 'HTTP/1.0'
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server = http_server.HttpServer(RequestHandlerOneZero)
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self.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'))
755
self.assertEqual(l[3], (9, '9'))
757
def test_readv_out_of_order(self):
758
server = self.get_readonly_server()
759
t = self._transport(server.get_url())
760
l = list(t.readv('a', ((1, 1), (9, 1), (0, 1), (3, 2))))
761
self.assertEqual(l[0], (1, '1'))
762
self.assertEqual(l[1], (9, '9'))
763
self.assertEqual(l[2], (0, '0'))
764
self.assertEqual(l[3], (3, '34'))
766
def test_readv_invalid_ranges(self):
767
server = self.get_readonly_server()
768
t = self._transport(server.get_url())
770
# This is intentionally reading off the end of the file
771
# since we are sure that it cannot get there
772
self.assertListRaises((errors.InvalidRange, errors.ShortReadvError,),
773
t.readv, 'a', [(1,1), (8,10)])
775
# This is trying to seek past the end of the file, it should
776
# also raise a special error
777
self.assertListRaises((errors.InvalidRange, errors.ShortReadvError,),
778
t.readv, 'a', [(12,2)])
780
def test_readv_multiple_get_requests(self):
781
server = self.get_readonly_server()
782
t = self._transport(server.get_url())
783
# force transport to issue multiple requests
784
t._max_readv_combine = 1
785
t._max_get_ranges = 1
786
l = list(t.readv('a', ((0, 1), (1, 1), (3, 2), (9, 1))))
787
self.assertEqual(l[0], (0, '0'))
788
self.assertEqual(l[1], (1, '1'))
789
self.assertEqual(l[2], (3, '34'))
790
self.assertEqual(l[3], (9, '9'))
791
# The server should have issued 4 requests
792
self.assertEqual(4, server.GET_request_nb)
794
def test_readv_get_max_size(self):
795
server = self.get_readonly_server()
796
t = self._transport(server.get_url())
797
# force transport to issue multiple requests by limiting the number of
798
# bytes by request. Note that this apply to coalesced offsets only, a
799
# single range will keep its size even if bigger than the limit.
801
l = list(t.readv('a', ((0, 1), (1, 1), (2, 4), (6, 4))))
802
self.assertEqual(l[0], (0, '0'))
803
self.assertEqual(l[1], (1, '1'))
804
self.assertEqual(l[2], (2, '2345'))
805
self.assertEqual(l[3], (6, '6789'))
806
# The server should have issued 3 requests
807
self.assertEqual(3, server.GET_request_nb)
809
def test_complete_readv_leave_pipe_clean(self):
810
server = self.get_readonly_server()
811
t = self._transport(server.get_url())
812
# force transport to issue multiple requests
814
l = list(t.readv('a', ((0, 1), (1, 1), (2, 4), (6, 4))))
815
# The server should have issued 3 requests
816
self.assertEqual(3, server.GET_request_nb)
817
self.assertEqual('0123456789', t.get_bytes('a'))
818
self.assertEqual(4, server.GET_request_nb)
820
def test_incomplete_readv_leave_pipe_clean(self):
821
server = self.get_readonly_server()
822
t = self._transport(server.get_url())
823
# force transport to issue multiple requests
825
# Don't collapse readv results into a list so that we leave unread
826
# bytes on the socket
827
ireadv = iter(t.readv('a', ((0, 1), (1, 1), (2, 4), (6, 4))))
828
self.assertEqual((0, '0'), ireadv.next())
829
# The server should have issued one request so far
830
self.assertEqual(1, server.GET_request_nb)
831
self.assertEqual('0123456789', t.get_bytes('a'))
832
# get_bytes issued an additional request, the readv pending ones are
834
self.assertEqual(2, server.GET_request_nb)
837
class SingleRangeRequestHandler(http_server.TestingHTTPRequestHandler):
838
"""Always reply to range request as if they were single.
840
Don't be explicit about it, just to annoy the clients.
843
def get_multiple_ranges(self, file, file_size, ranges):
844
"""Answer as if it was a single range request and ignores the rest"""
845
(start, end) = ranges[0]
846
return self.get_single_range(file, file_size, start, end)
849
class TestSingleRangeRequestServer(TestRangeRequestServer):
850
"""Test readv against a server which accept only single range requests"""
852
_req_handler_class = SingleRangeRequestHandler
855
class SingleOnlyRangeRequestHandler(http_server.TestingHTTPRequestHandler):
856
"""Only reply to simple range requests, errors out on multiple"""
858
def get_multiple_ranges(self, file, file_size, ranges):
859
"""Refuses the multiple ranges request"""
862
self.send_error(416, "Requested range not satisfiable")
864
(start, end) = ranges[0]
865
return self.get_single_range(file, file_size, start, end)
868
class TestSingleOnlyRangeRequestServer(TestRangeRequestServer):
869
"""Test readv against a server which only accept single range requests"""
871
_req_handler_class = SingleOnlyRangeRequestHandler
874
class NoRangeRequestHandler(http_server.TestingHTTPRequestHandler):
875
"""Ignore range requests without notice"""
878
# Update the statistics
879
self.server.test_case_server.GET_request_nb += 1
880
# Just bypass the range handling done by TestingHTTPRequestHandler
881
return SimpleHTTPServer.SimpleHTTPRequestHandler.do_GET(self)
884
class TestNoRangeRequestServer(TestRangeRequestServer):
885
"""Test readv against a server which do not accept range requests"""
887
_req_handler_class = NoRangeRequestHandler
890
class MultipleRangeWithoutContentLengthRequestHandler(
891
http_server.TestingHTTPRequestHandler):
892
"""Reply to multiple range requests without content length header."""
894
def get_multiple_ranges(self, file, file_size, ranges):
895
self.send_response(206)
896
self.send_header('Accept-Ranges', 'bytes')
897
boundary = "%d" % random.randint(0,0x7FFFFFFF)
898
self.send_header("Content-Type",
899
"multipart/byteranges; boundary=%s" % boundary)
901
for (start, end) in ranges:
902
self.wfile.write("--%s\r\n" % boundary)
903
self.send_header("Content-type", 'application/octet-stream')
904
self.send_header("Content-Range", "bytes %d-%d/%d" % (start,
908
self.send_range_content(file, start, end - start + 1)
910
self.wfile.write("--%s\r\n" % boundary)
913
class TestMultipleRangeWithoutContentLengthServer(TestRangeRequestServer):
915
_req_handler_class = MultipleRangeWithoutContentLengthRequestHandler
918
class TruncatedMultipleRangeRequestHandler(
919
http_server.TestingHTTPRequestHandler):
920
"""Reply to multiple range requests truncating the last ones.
922
This server generates responses whose Content-Length describes all the
923
ranges, but fail to include the last ones leading to client short reads.
924
This has been observed randomly with lighttpd (bug #179368).
927
_truncated_ranges = 2
929
def get_multiple_ranges(self, file, file_size, ranges):
930
self.send_response(206)
931
self.send_header('Accept-Ranges', 'bytes')
933
self.send_header('Content-Type',
934
'multipart/byteranges; boundary=%s' % boundary)
935
boundary_line = '--%s\r\n' % boundary
936
# Calculate the Content-Length
938
for (start, end) in ranges:
939
content_length += len(boundary_line)
940
content_length += self._header_line_length(
941
'Content-type', 'application/octet-stream')
942
content_length += self._header_line_length(
943
'Content-Range', 'bytes %d-%d/%d' % (start, end, file_size))
944
content_length += len('\r\n') # end headers
945
content_length += end - start # + 1
946
content_length += len(boundary_line)
947
self.send_header('Content-length', content_length)
950
# Send the multipart body
952
for (start, end) in ranges:
953
self.wfile.write(boundary_line)
954
self.send_header('Content-type', 'application/octet-stream')
955
self.send_header('Content-Range', 'bytes %d-%d/%d'
956
% (start, end, file_size))
958
if cur + self._truncated_ranges >= len(ranges):
959
# Abruptly ends the response and close the connection
960
self.close_connection = 1
962
self.send_range_content(file, start, end - start + 1)
965
self.wfile.write(boundary_line)
968
class TestTruncatedMultipleRangeServer(TestSpecificRequestHandler):
970
_req_handler_class = TruncatedMultipleRangeRequestHandler
973
super(TestTruncatedMultipleRangeServer, self).setUp()
974
self.build_tree_contents([('a', '0123456789')],)
976
def test_readv_with_short_reads(self):
977
server = self.get_readonly_server()
978
t = self._transport(server.get_url())
979
# Force separate ranges for each offset
980
t._bytes_to_read_before_seek = 0
981
ireadv = iter(t.readv('a', ((0, 1), (2, 1), (4, 2), (9, 1))))
982
self.assertEqual((0, '0'), ireadv.next())
983
self.assertEqual((2, '2'), ireadv.next())
984
if not self._testing_pycurl():
985
# Only one request have been issued so far (except for pycurl that
986
# try to read the whole response at once)
987
self.assertEqual(1, server.GET_request_nb)
988
self.assertEqual((4, '45'), ireadv.next())
989
self.assertEqual((9, '9'), ireadv.next())
990
# Both implementations issue 3 requests but:
991
# - urllib does two multiple (4 ranges, then 2 ranges) then a single
993
# - pycurl does two multiple (4 ranges, 4 ranges) then a single range
994
self.assertEqual(3, server.GET_request_nb)
995
# Finally the client have tried a single range request and stays in
997
self.assertEqual('single', t._range_hint)
999
class LimitedRangeRequestHandler(http_server.TestingHTTPRequestHandler):
1000
"""Errors out when range specifiers exceed the limit"""
1002
def get_multiple_ranges(self, file, file_size, ranges):
1003
"""Refuses the multiple ranges request"""
1004
tcs = self.server.test_case_server
1005
if tcs.range_limit is not None and len(ranges) > tcs.range_limit:
1007
# Emulate apache behavior
1008
self.send_error(400, "Bad Request")
1010
return http_server.TestingHTTPRequestHandler.get_multiple_ranges(
1011
self, file, file_size, ranges)
1014
class LimitedRangeHTTPServer(http_server.HttpServer):
1015
"""An HttpServer erroring out on requests with too much range specifiers"""
1017
def __init__(self, request_handler=LimitedRangeRequestHandler,
1018
protocol_version=None,
1020
http_server.HttpServer.__init__(self, request_handler,
1021
protocol_version=protocol_version)
1022
self.range_limit = range_limit
1025
class TestLimitedRangeRequestServer(http_utils.TestCaseWithWebserver):
1026
"""Tests readv requests against a server erroring out on too much ranges."""
1028
# Requests with more range specifiers will error out
1031
def create_transport_readonly_server(self):
1032
return LimitedRangeHTTPServer(range_limit=self.range_limit,
1033
protocol_version=self._protocol_version)
1035
def get_transport(self):
1036
return self._transport(self.get_readonly_server().get_url())
1039
http_utils.TestCaseWithWebserver.setUp(self)
1040
# We need to manipulate ranges that correspond to real chunks in the
1041
# response, so we build a content appropriately.
1042
filler = ''.join(['abcdefghij' for x in range(102)])
1043
content = ''.join(['%04d' % v + filler for v in range(16)])
1044
self.build_tree_contents([('a', content)],)
1046
def test_few_ranges(self):
1047
t = self.get_transport()
1048
l = list(t.readv('a', ((0, 4), (1024, 4), )))
1049
self.assertEqual(l[0], (0, '0000'))
1050
self.assertEqual(l[1], (1024, '0001'))
1051
self.assertEqual(1, self.get_readonly_server().GET_request_nb)
1053
def test_more_ranges(self):
1054
t = self.get_transport()
1055
l = list(t.readv('a', ((0, 4), (1024, 4), (4096, 4), (8192, 4))))
1056
self.assertEqual(l[0], (0, '0000'))
1057
self.assertEqual(l[1], (1024, '0001'))
1058
self.assertEqual(l[2], (4096, '0004'))
1059
self.assertEqual(l[3], (8192, '0008'))
1060
# The server will refuse to serve the first request (too much ranges),
1061
# a second request will succeed.
1062
self.assertEqual(2, self.get_readonly_server().GET_request_nb)
1065
class TestHttpProxyWhiteBox(tests.TestCase):
1066
"""Whitebox test proxy http authorization.
1068
Only the urllib implementation is tested here.
1072
tests.TestCase.setUp(self)
1077
tests.TestCase.tearDown(self)
1079
def _install_env(self, env):
1080
for name, value in env.iteritems():
1081
self._old_env[name] = osutils.set_or_unset_env(name, value)
1083
def _restore_env(self):
1084
for name, value in self._old_env.iteritems():
1085
osutils.set_or_unset_env(name, value)
1087
def _proxied_request(self):
1088
handler = _urllib2_wrappers.ProxyHandler()
1089
request = _urllib2_wrappers.Request('GET','http://baz/buzzle')
1090
handler.set_proxy(request, 'http')
1093
def test_empty_user(self):
1094
self._install_env({'http_proxy': 'http://bar.com'})
1095
request = self._proxied_request()
1096
self.assertFalse(request.headers.has_key('Proxy-authorization'))
1098
def test_invalid_proxy(self):
1099
"""A proxy env variable without scheme"""
1100
self._install_env({'http_proxy': 'host:1234'})
1101
self.assertRaises(errors.InvalidURL, self._proxied_request)
1104
class TestProxyHttpServer(http_utils.TestCaseWithTwoWebservers):
1105
"""Tests proxy server.
1107
Be aware that we do not setup a real proxy here. Instead, we
1108
check that the *connection* goes through the proxy by serving
1109
different content (the faked proxy server append '-proxied'
1113
# FIXME: We don't have an https server available, so we don't
1114
# test https connections.
1117
super(TestProxyHttpServer, self).setUp()
1118
self.build_tree_contents([('foo', 'contents of foo\n'),
1119
('foo-proxied', 'proxied contents of foo\n')])
1120
# Let's setup some attributes for tests
1121
self.server = self.get_readonly_server()
1122
self.proxy_address = '%s:%d' % (self.server.host, self.server.port)
1123
if self._testing_pycurl():
1124
# Oh my ! pycurl does not check for the port as part of
1125
# no_proxy :-( So we just test the host part
1126
self.no_proxy_host = 'localhost'
1128
self.no_proxy_host = self.proxy_address
1129
# The secondary server is the proxy
1130
self.proxy = self.get_secondary_server()
1131
self.proxy_url = self.proxy.get_url()
1134
def _testing_pycurl(self):
1135
return pycurl_present and self._transport == PyCurlTransport
1137
def create_transport_secondary_server(self):
1138
"""Creates an http server that will serve files with
1139
'-proxied' appended to their names.
1141
return http_utils.ProxyServer(protocol_version=self._protocol_version)
1143
def _install_env(self, env):
1144
for name, value in env.iteritems():
1145
self._old_env[name] = osutils.set_or_unset_env(name, value)
1147
def _restore_env(self):
1148
for name, value in self._old_env.iteritems():
1149
osutils.set_or_unset_env(name, value)
1151
def proxied_in_env(self, env):
1152
self._install_env(env)
1153
url = self.server.get_url()
1154
t = self._transport(url)
1156
self.assertEqual('proxied contents of foo\n', t.get('foo').read())
1160
def not_proxied_in_env(self, env):
1161
self._install_env(env)
1162
url = self.server.get_url()
1163
t = self._transport(url)
1165
self.assertEqual('contents of foo\n', t.get('foo').read())
1169
def test_http_proxy(self):
1170
self.proxied_in_env({'http_proxy': self.proxy_url})
1172
def test_HTTP_PROXY(self):
1173
if self._testing_pycurl():
1174
# pycurl does not check HTTP_PROXY for security reasons
1175
# (for use in a CGI context that we do not care
1176
# about. Should we ?)
1177
raise tests.TestNotApplicable(
1178
'pycurl does not check HTTP_PROXY for security reasons')
1179
self.proxied_in_env({'HTTP_PROXY': self.proxy_url})
1181
def test_all_proxy(self):
1182
self.proxied_in_env({'all_proxy': self.proxy_url})
1184
def test_ALL_PROXY(self):
1185
self.proxied_in_env({'ALL_PROXY': self.proxy_url})
1187
def test_http_proxy_with_no_proxy(self):
1188
self.not_proxied_in_env({'http_proxy': self.proxy_url,
1189
'no_proxy': self.no_proxy_host})
1191
def test_HTTP_PROXY_with_NO_PROXY(self):
1192
if self._testing_pycurl():
1193
raise tests.TestNotApplicable(
1194
'pycurl does not check HTTP_PROXY for security reasons')
1195
self.not_proxied_in_env({'HTTP_PROXY': self.proxy_url,
1196
'NO_PROXY': self.no_proxy_host})
1198
def test_all_proxy_with_no_proxy(self):
1199
self.not_proxied_in_env({'all_proxy': self.proxy_url,
1200
'no_proxy': self.no_proxy_host})
1202
def test_ALL_PROXY_with_NO_PROXY(self):
1203
self.not_proxied_in_env({'ALL_PROXY': self.proxy_url,
1204
'NO_PROXY': self.no_proxy_host})
1206
def test_http_proxy_without_scheme(self):
1207
if self._testing_pycurl():
1208
# pycurl *ignores* invalid proxy env variables. If that ever change
1209
# in the future, this test will fail indicating that pycurl do not
1210
# ignore anymore such variables.
1211
self.not_proxied_in_env({'http_proxy': self.proxy_address})
1213
self.assertRaises(errors.InvalidURL,
1214
self.proxied_in_env,
1215
{'http_proxy': self.proxy_address})
1218
class TestRanges(http_utils.TestCaseWithWebserver):
1219
"""Test the Range header in GET methods."""
1222
http_utils.TestCaseWithWebserver.setUp(self)
1223
self.build_tree_contents([('a', '0123456789')],)
1224
server = self.get_readonly_server()
1225
self.transport = self._transport(server.get_url())
1227
def create_transport_readonly_server(self):
1228
return http_server.HttpServer(protocol_version=self._protocol_version)
1230
def _file_contents(self, relpath, ranges):
1231
offsets = [ (start, end - start + 1) for start, end in ranges]
1232
coalesce = self.transport._coalesce_offsets
1233
coalesced = list(coalesce(offsets, limit=0, fudge_factor=0))
1234
code, data = self.transport._get(relpath, coalesced)
1235
self.assertTrue(code in (200, 206),'_get returns: %d' % code)
1236
for start, end in ranges:
1238
yield data.read(end - start + 1)
1240
def _file_tail(self, relpath, tail_amount):
1241
code, data = self.transport._get(relpath, [], tail_amount)
1242
self.assertTrue(code in (200, 206),'_get returns: %d' % code)
1243
data.seek(-tail_amount, 2)
1244
return data.read(tail_amount)
1246
def test_range_header(self):
1248
map(self.assertEqual,['0', '234'],
1249
list(self._file_contents('a', [(0,0), (2,4)])),)
1251
def test_range_header_tail(self):
1252
self.assertEqual('789', self._file_tail('a', 3))
1254
def test_syntactically_invalid_range_header(self):
1255
self.assertListRaises(errors.InvalidHttpRange,
1256
self._file_contents, 'a', [(4, 3)])
1258
def test_semantically_invalid_range_header(self):
1259
self.assertListRaises(errors.InvalidHttpRange,
1260
self._file_contents, 'a', [(42, 128)])
1263
class TestHTTPRedirections(http_utils.TestCaseWithRedirectedWebserver):
1264
"""Test redirection between http servers."""
1266
def create_transport_secondary_server(self):
1267
"""Create the secondary server redirecting to the primary server"""
1268
new = self.get_readonly_server()
1270
redirecting = http_utils.HTTPServerRedirecting(
1271
protocol_version=self._protocol_version)
1272
redirecting.redirect_to(new.host, new.port)
1276
super(TestHTTPRedirections, self).setUp()
1277
self.build_tree_contents([('a', '0123456789'),
1279
'# Bazaar revision bundle v0.9\n#\n')
1281
# The requests to the old server will be redirected to the new server
1282
self.old_transport = self._transport(self.old_server.get_url())
1284
def test_redirected(self):
1285
self.assertRaises(errors.RedirectRequested, self.old_transport.get, 'a')
1286
t = self._transport(self.new_server.get_url())
1287
self.assertEqual('0123456789', t.get('a').read())
1289
def test_read_redirected_bundle_from_url(self):
1290
from bzrlib.bundle import read_bundle_from_url
1291
url = self.old_transport.abspath('bundle')
1292
bundle = self.applyDeprecated(deprecated_in((1, 12, 0)),
1293
read_bundle_from_url, url)
1294
# If read_bundle_from_url was successful we get an empty bundle
1295
self.assertEqual([], bundle.revisions)
1298
class RedirectedRequest(_urllib2_wrappers.Request):
1299
"""Request following redirections. """
1301
init_orig = _urllib2_wrappers.Request.__init__
1303
def __init__(self, method, url, *args, **kwargs):
1307
# Since the tests using this class will replace
1308
# _urllib2_wrappers.Request, we can't just call the base class __init__
1310
RedirectedRequest.init_orig(self, method, url, *args, **kwargs)
1311
self.follow_redirections = True
1314
class TestHTTPSilentRedirections(http_utils.TestCaseWithRedirectedWebserver):
1315
"""Test redirections.
1317
http implementations do not redirect silently anymore (they
1318
do not redirect at all in fact). The mechanism is still in
1319
place at the _urllib2_wrappers.Request level and these tests
1322
For the pycurl implementation
1323
the redirection have been deleted as we may deprecate pycurl
1324
and I have no place to keep a working implementation.
1329
if pycurl_present and self._transport == PyCurlTransport:
1330
raise tests.TestNotApplicable(
1331
"pycurl doesn't redirect silently annymore")
1332
super(TestHTTPSilentRedirections, self).setUp()
1333
self.setup_redirected_request()
1334
self.addCleanup(self.cleanup_redirected_request)
1335
self.build_tree_contents([('a','a'),
1337
('1/a', 'redirected once'),
1339
('2/a', 'redirected twice'),
1341
('3/a', 'redirected thrice'),
1343
('4/a', 'redirected 4 times'),
1345
('5/a', 'redirected 5 times'),
1348
self.old_transport = self._transport(self.old_server.get_url())
1350
def setup_redirected_request(self):
1351
self.original_class = _urllib2_wrappers.Request
1352
_urllib2_wrappers.Request = RedirectedRequest
1354
def cleanup_redirected_request(self):
1355
_urllib2_wrappers.Request = self.original_class
1357
def create_transport_secondary_server(self):
1358
"""Create the secondary server, redirections are defined in the tests"""
1359
return http_utils.HTTPServerRedirecting(
1360
protocol_version=self._protocol_version)
1362
def test_one_redirection(self):
1363
t = self.old_transport
1365
req = RedirectedRequest('GET', t.abspath('a'))
1366
req.follow_redirections = True
1367
new_prefix = 'http://%s:%s' % (self.new_server.host,
1368
self.new_server.port)
1369
self.old_server.redirections = \
1370
[('(.*)', r'%s/1\1' % (new_prefix), 301),]
1371
self.assertEquals('redirected once',t._perform(req).read())
1373
def test_five_redirections(self):
1374
t = self.old_transport
1376
req = RedirectedRequest('GET', t.abspath('a'))
1377
req.follow_redirections = True
1378
old_prefix = 'http://%s:%s' % (self.old_server.host,
1379
self.old_server.port)
1380
new_prefix = 'http://%s:%s' % (self.new_server.host,
1381
self.new_server.port)
1382
self.old_server.redirections = [
1383
('/1(.*)', r'%s/2\1' % (old_prefix), 302),
1384
('/2(.*)', r'%s/3\1' % (old_prefix), 303),
1385
('/3(.*)', r'%s/4\1' % (old_prefix), 307),
1386
('/4(.*)', r'%s/5\1' % (new_prefix), 301),
1387
('(/[^/]+)', r'%s/1\1' % (old_prefix), 301),
1389
self.assertEquals('redirected 5 times',t._perform(req).read())
1392
class TestDoCatchRedirections(http_utils.TestCaseWithRedirectedWebserver):
1393
"""Test transport.do_catching_redirections."""
1396
super(TestDoCatchRedirections, self).setUp()
1397
self.build_tree_contents([('a', '0123456789'),],)
1399
self.old_transport = self._transport(self.old_server.get_url())
1401
def get_a(self, transport):
1402
return transport.get('a')
1404
def test_no_redirection(self):
1405
t = self._transport(self.new_server.get_url())
1407
# We use None for redirected so that we fail if redirected
1408
self.assertEquals('0123456789',
1409
transport.do_catching_redirections(
1410
self.get_a, t, None).read())
1412
def test_one_redirection(self):
1413
self.redirections = 0
1415
def redirected(transport, exception, redirection_notice):
1416
self.redirections += 1
1417
dir, file = urlutils.split(exception.target)
1418
return self._transport(dir)
1420
self.assertEquals('0123456789',
1421
transport.do_catching_redirections(
1422
self.get_a, self.old_transport, redirected).read())
1423
self.assertEquals(1, self.redirections)
1425
def test_redirection_loop(self):
1427
def redirected(transport, exception, redirection_notice):
1428
# By using the redirected url as a base dir for the
1429
# *old* transport, we create a loop: a => a/a =>
1431
return self.old_transport.clone(exception.target)
1433
self.assertRaises(errors.TooManyRedirections,
1434
transport.do_catching_redirections,
1435
self.get_a, self.old_transport, redirected)
1438
class TestAuth(http_utils.TestCaseWithWebserver):
1439
"""Test authentication scheme"""
1441
_auth_header = 'Authorization'
1442
_password_prompt_prefix = ''
1445
super(TestAuth, self).setUp()
1446
self.server = self.get_readonly_server()
1447
self.build_tree_contents([('a', 'contents of a\n'),
1448
('b', 'contents of b\n'),])
1450
def create_transport_readonly_server(self):
1451
if self._auth_scheme == 'basic':
1452
server = http_utils.HTTPBasicAuthServer(
1453
protocol_version=self._protocol_version)
1455
if self._auth_scheme != 'digest':
1456
raise AssertionError('Unknown auth scheme: %r'
1457
% self._auth_scheme)
1458
server = http_utils.HTTPDigestAuthServer(
1459
protocol_version=self._protocol_version)
1462
def _testing_pycurl(self):
1463
return pycurl_present and self._transport == PyCurlTransport
1465
def get_user_url(self, user, password):
1466
"""Build an url embedding user and password"""
1467
url = '%s://' % self.server._url_protocol
1468
if user is not None:
1470
if password is not None:
1471
url += ':' + password
1473
url += '%s:%s/' % (self.server.host, self.server.port)
1476
def get_user_transport(self, user, password):
1477
return self._transport(self.get_user_url(user, password))
1479
def test_no_user(self):
1480
self.server.add_user('joe', 'foo')
1481
t = self.get_user_transport(None, None)
1482
self.assertRaises(errors.InvalidHttpResponse, t.get, 'a')
1483
# Only one 'Authentication Required' error should occur
1484
self.assertEqual(1, self.server.auth_required_errors)
1486
def test_empty_pass(self):
1487
self.server.add_user('joe', '')
1488
t = self.get_user_transport('joe', '')
1489
self.assertEqual('contents of a\n', t.get('a').read())
1490
# Only one 'Authentication Required' error should occur
1491
self.assertEqual(1, self.server.auth_required_errors)
1493
def test_user_pass(self):
1494
self.server.add_user('joe', 'foo')
1495
t = self.get_user_transport('joe', 'foo')
1496
self.assertEqual('contents of a\n', t.get('a').read())
1497
# Only one 'Authentication Required' error should occur
1498
self.assertEqual(1, self.server.auth_required_errors)
1500
def test_unknown_user(self):
1501
self.server.add_user('joe', 'foo')
1502
t = self.get_user_transport('bill', 'foo')
1503
self.assertRaises(errors.InvalidHttpResponse, t.get, 'a')
1504
# Two 'Authentication Required' errors should occur (the
1505
# initial 'who are you' and 'I don't know you, who are
1507
self.assertEqual(2, self.server.auth_required_errors)
1509
def test_wrong_pass(self):
1510
self.server.add_user('joe', 'foo')
1511
t = self.get_user_transport('joe', 'bar')
1512
self.assertRaises(errors.InvalidHttpResponse, t.get, 'a')
1513
# Two 'Authentication Required' errors should occur (the
1514
# initial 'who are you' and 'this is not you, who are you')
1515
self.assertEqual(2, self.server.auth_required_errors)
1517
def test_prompt_for_password(self):
1518
if self._testing_pycurl():
1519
raise tests.TestNotApplicable(
1520
'pycurl cannot prompt, it handles auth by embedding'
1521
' user:pass in urls only')
1523
self.server.add_user('joe', 'foo')
1524
t = self.get_user_transport('joe', None)
1525
stdout = tests.StringIOWrapper()
1526
ui.ui_factory = tests.TestUIFactory(stdin='foo\n', stdout=stdout)
1527
self.assertEqual('contents of a\n',t.get('a').read())
1528
# stdin should be empty
1529
self.assertEqual('', ui.ui_factory.stdin.readline())
1530
self._check_password_prompt(t._unqualified_scheme, 'joe',
1532
# And we shouldn't prompt again for a different request
1533
# against the same transport.
1534
self.assertEqual('contents of b\n',t.get('b').read())
1536
# And neither against a clone
1537
self.assertEqual('contents of b\n',t2.get('b').read())
1538
# Only one 'Authentication Required' error should occur
1539
self.assertEqual(1, self.server.auth_required_errors)
1541
def _check_password_prompt(self, scheme, user, actual_prompt):
1542
expected_prompt = (self._password_prompt_prefix
1543
+ ("%s %s@%s:%d, Realm: '%s' password: "
1545
user, self.server.host, self.server.port,
1546
self.server.auth_realm)))
1547
self.assertEquals(expected_prompt, actual_prompt)
1549
def test_no_prompt_for_password_when_using_auth_config(self):
1550
if self._testing_pycurl():
1551
raise tests.TestNotApplicable(
1552
'pycurl does not support authentication.conf'
1553
' since it cannot prompt')
1557
stdin_content = 'bar\n' # Not the right password
1558
self.server.add_user(user, password)
1559
t = self.get_user_transport(user, None)
1560
ui.ui_factory = tests.TestUIFactory(stdin=stdin_content,
1561
stdout=tests.StringIOWrapper())
1562
# Create a minimal config file with the right password
1563
conf = config.AuthenticationConfig()
1564
conf._get_config().update(
1565
{'httptest': {'scheme': 'http', 'port': self.server.port,
1566
'user': user, 'password': password}})
1568
# Issue a request to the server to connect
1569
self.assertEqual('contents of a\n',t.get('a').read())
1570
# stdin should have been left untouched
1571
self.assertEqual(stdin_content, ui.ui_factory.stdin.readline())
1572
# Only one 'Authentication Required' error should occur
1573
self.assertEqual(1, self.server.auth_required_errors)
1575
def test_user_from_auth_conf(self):
1576
if self._testing_pycurl():
1577
raise tests.TestNotApplicable(
1578
'pycurl does not support authentication.conf')
1581
self.server.add_user(user, password)
1582
# Create a minimal config file with the right password
1583
conf = config.AuthenticationConfig()
1584
conf._get_config().update(
1585
{'httptest': {'scheme': 'http', 'port': self.server.port,
1586
'user': user, 'password': password}})
1588
t = self.get_user_transport(None, None)
1589
# Issue a request to the server to connect
1590
self.assertEqual('contents of a\n', t.get('a').read())
1591
# Only one 'Authentication Required' error should occur
1592
self.assertEqual(1, self.server.auth_required_errors)
1594
def test_changing_nonce(self):
1595
if self._auth_scheme != 'digest':
1596
raise tests.TestNotApplicable('HTTP auth digest only test')
1597
if self._testing_pycurl():
1598
raise tests.KnownFailure(
1599
'pycurl does not handle a nonce change')
1600
self.server.add_user('joe', 'foo')
1601
t = self.get_user_transport('joe', 'foo')
1602
self.assertEqual('contents of a\n', t.get('a').read())
1603
self.assertEqual('contents of b\n', t.get('b').read())
1604
# Only one 'Authentication Required' error should have
1606
self.assertEqual(1, self.server.auth_required_errors)
1607
# The server invalidates the current nonce
1608
self.server.auth_nonce = self.server.auth_nonce + '. No, now!'
1609
self.assertEqual('contents of a\n', t.get('a').read())
1610
# Two 'Authentication Required' errors should occur (the
1611
# initial 'who are you' and a second 'who are you' with the new nonce)
1612
self.assertEqual(2, self.server.auth_required_errors)
1616
class TestProxyAuth(TestAuth):
1617
"""Test proxy authentication schemes."""
1619
_auth_header = 'Proxy-authorization'
1620
_password_prompt_prefix='Proxy '
1623
super(TestProxyAuth, self).setUp()
1625
self.addCleanup(self._restore_env)
1626
# Override the contents to avoid false positives
1627
self.build_tree_contents([('a', 'not proxied contents of a\n'),
1628
('b', 'not proxied contents of b\n'),
1629
('a-proxied', 'contents of a\n'),
1630
('b-proxied', 'contents of b\n'),
1633
def create_transport_readonly_server(self):
1634
if self._auth_scheme == 'basic':
1635
server = http_utils.ProxyBasicAuthServer(
1636
protocol_version=self._protocol_version)
1638
if self._auth_scheme != 'digest':
1639
raise AssertionError('Unknown auth scheme: %r'
1640
% self._auth_scheme)
1641
server = http_utils.ProxyDigestAuthServer(
1642
protocol_version=self._protocol_version)
1645
def get_user_transport(self, user, password):
1646
self._install_env({'all_proxy': self.get_user_url(user, password)})
1647
return self._transport(self.server.get_url())
1649
def _install_env(self, env):
1650
for name, value in env.iteritems():
1651
self._old_env[name] = osutils.set_or_unset_env(name, value)
1653
def _restore_env(self):
1654
for name, value in self._old_env.iteritems():
1655
osutils.set_or_unset_env(name, value)
1657
def test_empty_pass(self):
1658
if self._testing_pycurl():
1660
if pycurl.version_info()[1] < '7.16.0':
1661
raise tests.KnownFailure(
1662
'pycurl < 7.16.0 does not handle empty proxy passwords')
1663
super(TestProxyAuth, self).test_empty_pass()
1666
class SampleSocket(object):
1667
"""A socket-like object for use in testing the HTTP request handler."""
1669
def __init__(self, socket_read_content):
1670
"""Constructs a sample socket.
1672
:param socket_read_content: a byte sequence
1674
# Use plain python StringIO so we can monkey-patch the close method to
1675
# not discard the contents.
1676
from StringIO import StringIO
1677
self.readfile = StringIO(socket_read_content)
1678
self.writefile = StringIO()
1679
self.writefile.close = lambda: None
1681
def makefile(self, mode='r', bufsize=None):
1683
return self.readfile
1685
return self.writefile
1688
class SmartHTTPTunnellingTest(tests.TestCaseWithTransport):
1691
super(SmartHTTPTunnellingTest, self).setUp()
1692
# We use the VFS layer as part of HTTP tunnelling tests.
1693
self._captureVar('BZR_NO_SMART_VFS', None)
1694
self.transport_readonly_server = http_utils.HTTPServerWithSmarts
1696
def create_transport_readonly_server(self):
1697
return http_utils.HTTPServerWithSmarts(
1698
protocol_version=self._protocol_version)
1700
def test_open_bzrdir(self):
1701
branch = self.make_branch('relpath')
1702
http_server = self.get_readonly_server()
1703
url = http_server.get_url() + 'relpath'
1704
bd = bzrdir.BzrDir.open(url)
1705
self.assertIsInstance(bd, _mod_remote.RemoteBzrDir)
1707
def test_bulk_data(self):
1708
# We should be able to send and receive bulk data in a single message.
1709
# The 'readv' command in the smart protocol both sends and receives
1710
# bulk data, so we use that.
1711
self.build_tree(['data-file'])
1712
http_server = self.get_readonly_server()
1713
http_transport = self._transport(http_server.get_url())
1714
medium = http_transport.get_smart_medium()
1715
# Since we provide the medium, the url below will be mostly ignored
1716
# during the test, as long as the path is '/'.
1717
remote_transport = remote.RemoteTransport('bzr://fake_host/',
1720
[(0, "c")], list(remote_transport.readv("data-file", [(0,1)])))
1722
def test_http_send_smart_request(self):
1724
post_body = 'hello\n'
1725
expected_reply_body = 'ok\x012\n'
1727
http_server = self.get_readonly_server()
1728
http_transport = self._transport(http_server.get_url())
1729
medium = http_transport.get_smart_medium()
1730
response = medium.send_http_smart_request(post_body)
1731
reply_body = response.read()
1732
self.assertEqual(expected_reply_body, reply_body)
1734
def test_smart_http_server_post_request_handler(self):
1735
httpd = self.get_readonly_server()._get_httpd()
1737
socket = SampleSocket(
1738
'POST /.bzr/smart %s \r\n' % self._protocol_version
1739
# HTTP/1.1 posts must have a Content-Length (but it doesn't hurt
1741
+ 'Content-Length: 6\r\n'
1744
# Beware: the ('localhost', 80) below is the
1745
# client_address parameter, but we don't have one because
1746
# we have defined a socket which is not bound to an
1747
# address. The test framework never uses this client
1748
# address, so far...
1749
request_handler = http_utils.SmartRequestHandler(socket,
1752
response = socket.writefile.getvalue()
1753
self.assertStartsWith(response, '%s 200 ' % self._protocol_version)
1754
# This includes the end of the HTTP headers, and all the body.
1755
expected_end_of_response = '\r\n\r\nok\x012\n'
1756
self.assertEndsWith(response, expected_end_of_response)
1759
class ForbiddenRequestHandler(http_server.TestingHTTPRequestHandler):
1760
"""No smart server here request handler."""
1763
self.send_error(403, "Forbidden")
1766
class SmartClientAgainstNotSmartServer(TestSpecificRequestHandler):
1767
"""Test smart client behaviour against an http server without smarts."""
1769
_req_handler_class = ForbiddenRequestHandler
1771
def test_probe_smart_server(self):
1772
"""Test error handling against server refusing smart requests."""
1773
server = self.get_readonly_server()
1774
t = self._transport(server.get_url())
1775
# No need to build a valid smart request here, the server will not even
1776
# try to interpret it.
1777
self.assertRaises(errors.SmartProtocolError,
1778
t.get_smart_medium().send_http_smart_request,
1781
class Test_redirected_to(tests.TestCase):
1783
def test_redirected_to_subdir(self):
1784
t = self._transport('http://www.example.com/foo')
1785
r = t._redirected_to('http://www.example.com/foo',
1786
'http://www.example.com/foo/subdir')
1787
self.assertIsInstance(r, type(t))
1788
# Both transports share the some connection
1789
self.assertEquals(t._get_connection(), r._get_connection())
1791
def test_redirected_to_self_with_slash(self):
1792
t = self._transport('http://www.example.com/foo')
1793
r = t._redirected_to('http://www.example.com/foo',
1794
'http://www.example.com/foo/')
1795
self.assertIsInstance(r, type(t))
1796
# Both transports share the some connection (one can argue that we
1797
# should return the exact same transport here, but that seems
1799
self.assertEquals(t._get_connection(), r._get_connection())
1801
def test_redirected_to_host(self):
1802
t = self._transport('http://www.example.com/foo')
1803
r = t._redirected_to('http://www.example.com/foo',
1804
'http://foo.example.com/foo/subdir')
1805
self.assertIsInstance(r, type(t))
1807
def test_redirected_to_same_host_sibling_protocol(self):
1808
t = self._transport('http://www.example.com/foo')
1809
r = t._redirected_to('http://www.example.com/foo',
1810
'https://www.example.com/foo')
1811
self.assertIsInstance(r, type(t))
1813
def test_redirected_to_same_host_different_protocol(self):
1814
t = self._transport('http://www.example.com/foo')
1815
r = t._redirected_to('http://www.example.com/foo',
1816
'ftp://www.example.com/foo')
1817
self.assertNotEquals(type(r), type(t))
1819
def test_redirected_to_different_host_same_user(self):
1820
t = self._transport('http://joe@www.example.com/foo')
1821
r = t._redirected_to('http://www.example.com/foo',
1822
'https://foo.example.com/foo')
1823
self.assertIsInstance(r, type(t))
1824
self.assertEquals(t._user, r._user)
1827
class PredefinedRequestHandler(http_server.TestingHTTPRequestHandler):
1828
"""Request handler for a unique and pre-defined request.
1830
The only thing we care about here is how many bytes travel on the wire. But
1831
since we want to measure it for a real http client, we have to send it
1834
We expect to receive a *single* request nothing more (and we won't even
1835
check what request it is, we just measure the bytes read until an empty
1839
def handle_one_request(self):
1840
tcs = self.server.test_case_server
1841
requestline = self.rfile.readline()
1842
headers = self.MessageClass(self.rfile, 0)
1843
# We just read: the request, the headers, an empty line indicating the
1844
# end of the headers.
1845
bytes_read = len(requestline)
1846
for line in headers.headers:
1847
bytes_read += len(line)
1848
bytes_read += len('\r\n')
1849
if requestline.startswith('POST'):
1850
# The body should be a single line (or we don't know where it ends
1851
# and we don't want to issue a blocking read)
1852
body = self.rfile.readline()
1853
bytes_read += len(body)
1854
tcs.bytes_read = bytes_read
1856
# We set the bytes written *before* issuing the write, the client is
1857
# supposed to consume every produced byte *before* checking that value.
1859
# Doing the oppposite may lead to test failure: we may be interrupted
1860
# after the write but before updating the value. The client can then
1861
# continue and read the value *before* we can update it. And yes,
1862
# this has been observed -- vila 20090129
1863
tcs.bytes_written = len(tcs.canned_response)
1864
self.wfile.write(tcs.canned_response)
1867
class ActivityServerMixin(object):
1869
def __init__(self, protocol_version):
1870
super(ActivityServerMixin, self).__init__(
1871
request_handler=PredefinedRequestHandler,
1872
protocol_version=protocol_version)
1873
# Bytes read and written by the server
1875
self.bytes_written = 0
1876
self.canned_response = None
1879
class ActivityHTTPServer(ActivityServerMixin, http_server.HttpServer):
1883
if tests.HTTPSServerFeature.available():
1884
from bzrlib.tests import https_server
1885
class ActivityHTTPSServer(ActivityServerMixin, https_server.HTTPSServer):
1889
class TestActivity(tests.TestCase):
1890
"""Test socket activity reporting.
1892
We use a special purpose server to control the bytes sent and received and
1893
be able to predict the activity on the client socket.
1897
tests.TestCase.setUp(self)
1898
self.server = self._activity_server(self._protocol_version)
1900
self.activities = {}
1901
def report_activity(t, bytes, direction):
1902
count = self.activities.get(direction, 0)
1904
self.activities[direction] = count
1906
# We override at class level because constructors may propagate the
1907
# bound method and render instance overriding ineffective (an
1908
# alternative would be to define a specific ui factory instead...)
1909
self.orig_report_activity = self._transport._report_activity
1910
self._transport._report_activity = report_activity
1913
self._transport._report_activity = self.orig_report_activity
1914
self.server.tearDown()
1915
tests.TestCase.tearDown(self)
1917
def get_transport(self):
1918
return self._transport(self.server.get_url())
1920
def assertActivitiesMatch(self):
1921
self.assertEqual(self.server.bytes_read,
1922
self.activities.get('write', 0), 'written bytes')
1923
self.assertEqual(self.server.bytes_written,
1924
self.activities.get('read', 0), 'read bytes')
1927
self.server.canned_response = '''HTTP/1.1 200 OK\r
1928
Date: Tue, 11 Jul 2006 04:32:56 GMT\r
1929
Server: Apache/2.0.54 (Fedora)\r
1930
Last-Modified: Sun, 23 Apr 2006 19:35:20 GMT\r
1931
ETag: "56691-23-38e9ae00"\r
1932
Accept-Ranges: bytes\r
1933
Content-Length: 35\r
1935
Content-Type: text/plain; charset=UTF-8\r
1937
Bazaar-NG meta directory, format 1
1939
t = self.get_transport()
1940
self.assertEqual('Bazaar-NG meta directory, format 1\n',
1941
t.get('foo/bar').read())
1942
self.assertActivitiesMatch()
1945
self.server.canned_response = '''HTTP/1.1 200 OK\r
1946
Server: SimpleHTTP/0.6 Python/2.5.2\r
1947
Date: Thu, 29 Jan 2009 20:21:47 GMT\r
1948
Content-type: application/octet-stream\r
1949
Content-Length: 20\r
1950
Last-Modified: Thu, 29 Jan 2009 20:21:47 GMT\r
1953
t = self.get_transport()
1954
self.assertTrue(t.has('foo/bar'))
1955
self.assertActivitiesMatch()
1957
def test_readv(self):
1958
self.server.canned_response = '''HTTP/1.1 206 Partial Content\r
1959
Date: Tue, 11 Jul 2006 04:49:48 GMT\r
1960
Server: Apache/2.0.54 (Fedora)\r
1961
Last-Modified: Thu, 06 Jul 2006 20:22:05 GMT\r
1962
ETag: "238a3c-16ec2-805c5540"\r
1963
Accept-Ranges: bytes\r
1964
Content-Length: 1534\r
1966
Content-Type: multipart/byteranges; boundary=418470f848b63279b\r
1969
--418470f848b63279b\r
1970
Content-type: text/plain; charset=UTF-8\r
1971
Content-range: bytes 0-254/93890\r
1973
mbp@sourcefrog.net-20050309040815-13242001617e4a06
1974
mbp@sourcefrog.net-20050309040929-eee0eb3e6d1e7627
1975
mbp@sourcefrog.net-20050309040957-6cad07f466bb0bb8
1976
mbp@sourcefrog.net-20050309041501-c840e09071de3b67
1977
mbp@sourcefrog.net-20050309044615-c24a3250be83220a
1979
--418470f848b63279b\r
1980
Content-type: text/plain; charset=UTF-8\r
1981
Content-range: bytes 1000-2049/93890\r
1984
mbp@sourcefrog.net-20050311063625-07858525021f270b
1985
mbp@sourcefrog.net-20050311231934-aa3776aff5200bb9
1986
mbp@sourcefrog.net-20050311231953-73aeb3a131c3699a
1987
mbp@sourcefrog.net-20050311232353-f5e33da490872c6a
1988
mbp@sourcefrog.net-20050312071639-0a8f59a34a024ff0
1989
mbp@sourcefrog.net-20050312073432-b2c16a55e0d6e9fb
1990
mbp@sourcefrog.net-20050312073831-a47c3335ece1920f
1991
mbp@sourcefrog.net-20050312085412-13373aa129ccbad3
1992
mbp@sourcefrog.net-20050313052251-2bf004cb96b39933
1993
mbp@sourcefrog.net-20050313052856-3edd84094687cb11
1994
mbp@sourcefrog.net-20050313053233-e30a4f28aef48f9d
1995
mbp@sourcefrog.net-20050313053853-7c64085594ff3072
1996
mbp@sourcefrog.net-20050313054757-a86c3f5871069e22
1997
mbp@sourcefrog.net-20050313061422-418f1f73b94879b9
1998
mbp@sourcefrog.net-20050313120651-497bd231b19df600
1999
mbp@sourcefrog.net-20050314024931-eae0170ef25a5d1a
2000
mbp@sourcefrog.net-20050314025438-d52099f915fe65fc
2001
mbp@sourcefrog.net-20050314025539-637a636692c055cf
2002
mbp@sourcefrog.net-20050314025737-55eb441f430ab4ba
2003
mbp@sourcefrog.net-20050314025901-d74aa93bb7ee8f62
2005
--418470f848b63279b--\r
2007
t = self.get_transport()
2008
# Remember that the request is ignored and that the ranges below
2009
# doesn't have to match the canned response.
2010
l = list(t.readv('/foo/bar', ((0, 255), (1000, 1050))))
2011
self.assertEqual(2, len(l))
2012
self.assertActivitiesMatch()
2014
def test_post(self):
2015
self.server.canned_response = '''HTTP/1.1 200 OK\r
2016
Date: Tue, 11 Jul 2006 04:32:56 GMT\r
2017
Server: Apache/2.0.54 (Fedora)\r
2018
Last-Modified: Sun, 23 Apr 2006 19:35:20 GMT\r
2019
ETag: "56691-23-38e9ae00"\r
2020
Accept-Ranges: bytes\r
2021
Content-Length: 35\r
2023
Content-Type: text/plain; charset=UTF-8\r
2025
lalala whatever as long as itsssss
2027
t = self.get_transport()
2028
# We must send a single line of body bytes, see
2029
# PredefinedRequestHandler.handle_one_request
2030
code, f = t._post('abc def end-of-body\n')
2031
self.assertEqual('lalala whatever as long as itsssss\n', f.read())
2032
self.assertActivitiesMatch()
added
removed
bzrlib/tests/test_http.py
