# Copyright (C) 2005, 2006 Canonical Ltd # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA """Tests for HTTP implementations. This module defines a load_tests() method that parametrize tests classes for transport implementation, http protocol versions and authentication schemes. """ # TODO: Should be renamed to bzrlib.transport.http.tests? # TODO: What about renaming to bzrlib.tests.transport.http ? from cStringIO import StringIO import httplib import os import select import SimpleHTTPServer import socket import sys import threading import bzrlib from bzrlib import ( config, errors, osutils, tests, transport, ui, urlutils, ) from bzrlib.tests import ( http_server, http_utils, ) from bzrlib.transport import ( http, remote, ) from bzrlib.transport.http import ( _urllib, _urllib2_wrappers, ) try: from bzrlib.transport.http._pycurl import PyCurlTransport pycurl_present = True except errors.DependencyNotPresent: pycurl_present = False class TransportAdapter(tests.TestScenarioApplier): """Generate the same test for each transport implementation.""" def __init__(self): transport_scenarios = [ ('urllib', dict(_transport=_urllib.HttpTransport_urllib, _server=http_server.HttpServer_urllib, _qualified_prefix='http+urllib',)), ] if pycurl_present: transport_scenarios.append( ('pycurl', dict(_transport=PyCurlTransport, _server=http_server.HttpServer_PyCurl, _qualified_prefix='http+pycurl',))) self.scenarios = transport_scenarios class TransportProtocolAdapter(TransportAdapter): """Generate the same test for each protocol implementation. In addition to the transport adaptatation that we inherit from. """ def __init__(self): super(TransportProtocolAdapter, self).__init__() protocol_scenarios = [ ('HTTP/1.0', dict(_protocol_version='HTTP/1.0')), ('HTTP/1.1', dict(_protocol_version='HTTP/1.1')), ] self.scenarios = tests.multiply_scenarios(self.scenarios, protocol_scenarios) class TransportProtocolAuthenticationAdapter(TransportProtocolAdapter): """Generate the same test for each authentication scheme implementation. In addition to the protocol adaptatation that we inherit from. """ def __init__(self): super(TransportProtocolAuthenticationAdapter, self).__init__() auth_scheme_scenarios = [ ('basic', dict(_auth_scheme='basic')), ('digest', dict(_auth_scheme='digest')), ] self.scenarios = tests.multiply_scenarios(self.scenarios, auth_scheme_scenarios) def load_tests(standard_tests, module, loader): """Multiply tests for http clients and protocol versions.""" # one for each transport t_adapter = TransportAdapter() t_classes= (TestHttpTransportRegistration, TestHttpTransportUrls, ) is_testing_for_transports = tests.condition_isinstance(t_classes) # multiplied by one for each protocol version tp_adapter = TransportProtocolAdapter() tp_classes= (SmartHTTPTunnellingTest, TestDoCatchRedirections, TestHTTPConnections, TestHTTPRedirections, TestHTTPSilentRedirections, TestLimitedRangeRequestServer, TestPost, TestProxyHttpServer, TestRanges, TestSpecificRequestHandler, ) is_also_testing_for_protocols = tests.condition_isinstance(tp_classes) # multiplied by one for each authentication scheme tpa_adapter = TransportProtocolAuthenticationAdapter() tpa_classes = (TestAuth, ) is_also_testing_for_authentication = tests.condition_isinstance( tpa_classes) result = loader.suiteClass() for test_class in tests.iter_suite_tests(standard_tests): # Each test class is either standalone or testing for some combination # of transport, protocol version, authentication scheme. Use the right # adpater (or none) depending on the class. if is_testing_for_transports(test_class): result.addTests(t_adapter.adapt(test_class)) elif is_also_testing_for_protocols(test_class): result.addTests(tp_adapter.adapt(test_class)) elif is_also_testing_for_authentication(test_class): result.addTests(tpa_adapter.adapt(test_class)) else: result.addTest(test_class) return result class FakeManager(object): def __init__(self): self.credentials = [] def add_password(self, realm, host, username, password): self.credentials.append([realm, host, username, password]) class RecordingServer(object): """A fake HTTP server. It records the bytes sent to it, and replies with a 200. """ def __init__(self, expect_body_tail=None): """Constructor. :type expect_body_tail: str :param expect_body_tail: a reply won't be sent until this string is received. """ self._expect_body_tail = expect_body_tail self.host = None self.port = None self.received_bytes = '' def setUp(self): self._sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) self._sock.bind(('127.0.0.1', 0)) self.host, self.port = self._sock.getsockname() self._ready = threading.Event() self._thread = threading.Thread(target=self._accept_read_and_reply) self._thread.setDaemon(True) self._thread.start() self._ready.wait(5) def _accept_read_and_reply(self): self._sock.listen(1) self._ready.set() self._sock.settimeout(5) try: conn, address = self._sock.accept() # On win32, the accepted connection will be non-blocking to start # with because we're using settimeout. conn.setblocking(True) while not self.received_bytes.endswith(self._expect_body_tail): self.received_bytes += conn.recv(4096) conn.sendall('HTTP/1.1 200 OK\r\n') except socket.timeout: # Make sure the client isn't stuck waiting for us to e.g. accept. self._sock.close() except socket.error: # The client may have already closed the socket. pass def tearDown(self): try: self._sock.close() except socket.error: # We might have already closed it. We don't care. pass self.host = None self.port = None class TestHTTPServer(tests.TestCase): """Test the HTTP servers implementations.""" def test_invalid_protocol(self): class BogusRequestHandler(http_server.TestingHTTPRequestHandler): protocol_version = 'HTTP/0.1' server = http_server.HttpServer(BogusRequestHandler) try: self.assertRaises(httplib.UnknownProtocol,server.setUp) except: server.tearDown() self.fail('HTTP Server creation did not raise UnknownProtocol') def test_force_invalid_protocol(self): server = http_server.HttpServer(protocol_version='HTTP/0.1') try: self.assertRaises(httplib.UnknownProtocol,server.setUp) except: server.tearDown() self.fail('HTTP Server creation did not raise UnknownProtocol') def test_server_start_and_stop(self): server = http_server.HttpServer() server.setUp() self.assertTrue(server._http_running) server.tearDown() self.assertFalse(server._http_running) def test_create_http_server_one_zero(self): class RequestHandlerOneZero(http_server.TestingHTTPRequestHandler): protocol_version = 'HTTP/1.0' server = http_server.HttpServer(RequestHandlerOneZero) server.setUp() self.addCleanup(server.tearDown) self.assertIsInstance(server._httpd, http_server.TestingHTTPServer) def test_create_http_server_one_one(self): class RequestHandlerOneOne(http_server.TestingHTTPRequestHandler): protocol_version = 'HTTP/1.1' server = http_server.HttpServer(RequestHandlerOneOne) server.setUp() self.addCleanup(server.tearDown) self.assertIsInstance(server._httpd, http_server.TestingThreadingHTTPServer) def test_create_http_server_force_one_one(self): class RequestHandlerOneZero(http_server.TestingHTTPRequestHandler): protocol_version = 'HTTP/1.0' server = http_server.HttpServer(RequestHandlerOneZero, protocol_version='HTTP/1.1') server.setUp() self.addCleanup(server.tearDown) self.assertIsInstance(server._httpd, http_server.TestingThreadingHTTPServer) def test_create_http_server_force_one_zero(self): class RequestHandlerOneOne(http_server.TestingHTTPRequestHandler): protocol_version = 'HTTP/1.1' server = http_server.HttpServer(RequestHandlerOneOne, protocol_version='HTTP/1.0') server.setUp() self.addCleanup(server.tearDown) self.assertIsInstance(server._httpd, http_server.TestingHTTPServer) class TestWithTransport_pycurl(object): """Test case to inherit from if pycurl is present""" def _get_pycurl_maybe(self): try: from bzrlib.transport.http._pycurl import PyCurlTransport return PyCurlTransport except errors.DependencyNotPresent: raise tests.TestSkipped('pycurl not present') _transport = property(_get_pycurl_maybe) class TestHttpUrls(tests.TestCase): # TODO: This should be moved to authorization tests once they # are written. def test_url_parsing(self): f = FakeManager() url = http.extract_auth('http://example.com', f) self.assertEquals('http://example.com', url) self.assertEquals(0, len(f.credentials)) url = http.extract_auth( 'http://user:pass@www.bazaar-vcs.org/bzr/bzr.dev', f) self.assertEquals('http://www.bazaar-vcs.org/bzr/bzr.dev', url) self.assertEquals(1, len(f.credentials)) self.assertEquals([None, 'www.bazaar-vcs.org', 'user', 'pass'], f.credentials[0]) class TestHttpTransportUrls(tests.TestCase): """Test the http urls.""" def test_abs_url(self): """Construction of absolute http URLs""" t = self._transport('http://bazaar-vcs.org/bzr/bzr.dev/') eq = self.assertEqualDiff eq(t.abspath('.'), 'http://bazaar-vcs.org/bzr/bzr.dev') eq(t.abspath('foo/bar'), 'http://bazaar-vcs.org/bzr/bzr.dev/foo/bar') eq(t.abspath('.bzr'), 'http://bazaar-vcs.org/bzr/bzr.dev/.bzr') eq(t.abspath('.bzr/1//2/./3'), 'http://bazaar-vcs.org/bzr/bzr.dev/.bzr/1/2/3') def test_invalid_http_urls(self): """Trap invalid construction of urls""" t = self._transport('http://bazaar-vcs.org/bzr/bzr.dev/') self.assertRaises(errors.InvalidURL, self._transport, 'http://http://bazaar-vcs.org/bzr/bzr.dev/') def test_http_root_urls(self): """Construction of URLs from server root""" t = self._transport('http://bzr.ozlabs.org/') eq = self.assertEqualDiff eq(t.abspath('.bzr/tree-version'), 'http://bzr.ozlabs.org/.bzr/tree-version') def test_http_impl_urls(self): """There are servers which ask for particular clients to connect""" server = self._server() try: server.setUp() url = server.get_url() self.assertTrue(url.startswith('%s://' % self._qualified_prefix)) finally: server.tearDown() class TestHttps_pycurl(TestWithTransport_pycurl, tests.TestCase): # TODO: This should really be moved into another pycurl # specific test. When https tests will be implemented, take # this one into account. def test_pycurl_without_https_support(self): """Test that pycurl without SSL do not fail with a traceback. For the purpose of the test, we force pycurl to ignore https by supplying a fake version_info that do not support it. """ try: import pycurl except ImportError: raise tests.TestSkipped('pycurl not present') version_info_orig = pycurl.version_info try: # Now that we have pycurl imported, we can fake its version_info # This was taken from a windows pycurl without SSL # (thanks to bialix) pycurl.version_info = lambda : (2, '7.13.2', 462082, 'i386-pc-win32', 2576, None, 0, None, ('ftp', 'gopher', 'telnet', 'dict', 'ldap', 'http', 'file'), None, 0, None) self.assertRaises(errors.DependencyNotPresent, self._transport, 'https://launchpad.net') finally: # Restore the right function pycurl.version_info = version_info_orig class TestHTTPConnections(http_utils.TestCaseWithWebserver): """Test the http connections.""" def setUp(self): http_utils.TestCaseWithWebserver.setUp(self) self.build_tree(['foo/', 'foo/bar'], line_endings='binary', transport=self.get_transport()) def test_http_has(self): server = self.get_readonly_server() t = self._transport(server.get_url()) self.assertEqual(t.has('foo/bar'), True) self.assertEqual(len(server.logs), 1) self.assertContainsRe(server.logs[0], r'"HEAD /foo/bar HTTP/1.." (200|302) - "-" "bzr/') def test_http_has_not_found(self): server = self.get_readonly_server() t = self._transport(server.get_url()) self.assertEqual(t.has('not-found'), False) self.assertContainsRe(server.logs[1], r'"HEAD /not-found HTTP/1.." 404 - "-" "bzr/') def test_http_get(self): server = self.get_readonly_server() t = self._transport(server.get_url()) fp = t.get('foo/bar') self.assertEqualDiff( fp.read(), 'contents of foo/bar\n') self.assertEqual(len(server.logs), 1) self.assertTrue(server.logs[0].find( '"GET /foo/bar HTTP/1.1" 200 - "-" "bzr/%s' % bzrlib.__version__) > -1) def test_get_smart_medium(self): # For HTTP, get_smart_medium should return the transport object. server = self.get_readonly_server() http_transport = self._transport(server.get_url()) medium = http_transport.get_smart_medium() self.assertIs(medium, http_transport) def test_has_on_bogus_host(self): # Get a free address and don't 'accept' on it, so that we # can be sure there is no http handler there, but set a # reasonable timeout to not slow down tests too much. default_timeout = socket.getdefaulttimeout() try: socket.setdefaulttimeout(2) s = socket.socket() s.bind(('localhost', 0)) t = self._transport('http://%s:%s/' % s.getsockname()) self.assertRaises(errors.ConnectionError, t.has, 'foo/bar') finally: socket.setdefaulttimeout(default_timeout) class TestHttpTransportRegistration(tests.TestCase): """Test registrations of various http implementations""" def test_http_registered(self): t = transport.get_transport('%s://foo.com/' % self._qualified_prefix) self.assertIsInstance(t, transport.Transport) self.assertIsInstance(t, self._transport) class TestPost(tests.TestCase): def test_post_body_is_received(self): server = RecordingServer(expect_body_tail='end-of-body') server.setUp() self.addCleanup(server.tearDown) scheme = self._qualified_prefix url = '%s://%s:%s/' % (scheme, server.host, server.port) http_transport = self._transport(url) code, response = http_transport._post('abc def end-of-body') self.assertTrue( server.received_bytes.startswith('POST /.bzr/smart HTTP/1.')) self.assertTrue('content-length: 19\r' in server.received_bytes.lower()) # The transport should not be assuming that the server can accept # chunked encoding the first time it connects, because HTTP/1.1, so we # check for the literal string. self.assertTrue( server.received_bytes.endswith('\r\n\r\nabc def end-of-body')) class TestRangeHeader(tests.TestCase): """Test range_header method""" def check_header(self, value, ranges=[], tail=0): offsets = [ (start, end - start + 1) for start, end in ranges] coalesce = transport.Transport._coalesce_offsets coalesced = list(coalesce(offsets, limit=0, fudge_factor=0)) range_header = http.HttpTransportBase._range_header self.assertEqual(value, range_header(coalesced, tail)) def test_range_header_single(self): self.check_header('0-9', ranges=[(0,9)]) self.check_header('100-109', ranges=[(100,109)]) def test_range_header_tail(self): self.check_header('-10', tail=10) self.check_header('-50', tail=50) def test_range_header_multi(self): self.check_header('0-9,100-200,300-5000', ranges=[(0,9), (100, 200), (300,5000)]) def test_range_header_mixed(self): self.check_header('0-9,300-5000,-50', ranges=[(0,9), (300,5000)], tail=50) class TestSpecificRequestHandler(http_utils.TestCaseWithWebserver): """Tests a specific request handler. Daughter classes are expected to override _req_handler_class """ # Provide a useful default _req_handler_class = http_server.TestingHTTPRequestHandler def create_transport_readonly_server(self): return http_server.HttpServer(self._req_handler_class, protocol_version=self._protocol_version) def _testing_pycurl(self): return pycurl_present and self._transport == PyCurlTransport class WallRequestHandler(http_server.TestingHTTPRequestHandler): """Whatever request comes in, close the connection""" def handle_one_request(self): """Handle a single HTTP request, by abruptly closing the connection""" self.close_connection = 1 class TestWallServer(TestSpecificRequestHandler): """Tests exceptions during the connection phase""" _req_handler_class = WallRequestHandler def test_http_has(self): server = self.get_readonly_server() t = self._transport(server.get_url()) # Unfortunately httplib (see HTTPResponse._read_status # for details) make no distinction between a closed # socket and badly formatted status line, so we can't # just test for ConnectionError, we have to test # InvalidHttpResponse too. self.assertRaises((errors.ConnectionError, errors.InvalidHttpResponse), t.has, 'foo/bar') def test_http_get(self): server = self.get_readonly_server() t = self._transport(server.get_url()) self.assertRaises((errors.ConnectionError, errors.InvalidHttpResponse), t.get, 'foo/bar') class BadStatusRequestHandler(http_server.TestingHTTPRequestHandler): """Whatever request comes in, returns a bad status""" def parse_request(self): """Fakes handling a single HTTP request, returns a bad status""" ignored = http_server.TestingHTTPRequestHandler.parse_request(self) self.send_response(0, "Bad status") self.close_connection = 1 return False class TestBadStatusServer(TestSpecificRequestHandler): """Tests bad status from server.""" _req_handler_class = BadStatusRequestHandler def test_http_has(self): server = self.get_readonly_server() t = self._transport(server.get_url()) self.assertRaises(errors.InvalidHttpResponse, t.has, 'foo/bar') def test_http_get(self): server = self.get_readonly_server() t = self._transport(server.get_url()) self.assertRaises(errors.InvalidHttpResponse, t.get, 'foo/bar') class InvalidStatusRequestHandler(http_server.TestingHTTPRequestHandler): """Whatever request comes in, returns an invalid status""" def parse_request(self): """Fakes handling a single HTTP request, returns a bad status""" ignored = http_server.TestingHTTPRequestHandler.parse_request(self) self.wfile.write("Invalid status line\r\n") return False class TestInvalidStatusServer(TestBadStatusServer): """Tests invalid status from server. Both implementations raises the same error as for a bad status. """ _req_handler_class = InvalidStatusRequestHandler def test_http_has(self): if self._testing_pycurl() and self._protocol_version == 'HTTP/1.1': raise tests.KnownFailure( 'pycurl hangs if the server send back garbage') super(TestInvalidStatusServer, self).test_http_has() def test_http_get(self): if self._testing_pycurl() and self._protocol_version == 'HTTP/1.1': raise tests.KnownFailure( 'pycurl hangs if the server send back garbage') super(TestInvalidStatusServer, self).test_http_get() class BadProtocolRequestHandler(http_server.TestingHTTPRequestHandler): """Whatever request comes in, returns a bad protocol version""" def parse_request(self): """Fakes handling a single HTTP request, returns a bad status""" ignored = http_server.TestingHTTPRequestHandler.parse_request(self) # Returns an invalid protocol version, but curl just # ignores it and those cannot be tested. self.wfile.write("%s %d %s\r\n" % ('HTTP/0.0', 404, 'Look at my protocol version')) return False class TestBadProtocolServer(TestSpecificRequestHandler): """Tests bad protocol from server.""" _req_handler_class = BadProtocolRequestHandler def setUp(self): if pycurl_present and self._transport == PyCurlTransport: raise tests.TestNotApplicable( "pycurl doesn't check the protocol version") super(TestBadProtocolServer, self).setUp() def test_http_has(self): server = self.get_readonly_server() t = self._transport(server.get_url()) self.assertRaises(errors.InvalidHttpResponse, t.has, 'foo/bar') def test_http_get(self): server = self.get_readonly_server() t = self._transport(server.get_url()) self.assertRaises(errors.InvalidHttpResponse, t.get, 'foo/bar') class ForbiddenRequestHandler(http_server.TestingHTTPRequestHandler): """Whatever request comes in, returns a 403 code""" def parse_request(self): """Handle a single HTTP request, by replying we cannot handle it""" ignored = http_server.TestingHTTPRequestHandler.parse_request(self) self.send_error(403) return False class TestForbiddenServer(TestSpecificRequestHandler): """Tests forbidden server""" _req_handler_class = ForbiddenRequestHandler def test_http_has(self): server = self.get_readonly_server() t = self._transport(server.get_url()) self.assertRaises(errors.TransportError, t.has, 'foo/bar') def test_http_get(self): server = self.get_readonly_server() t = self._transport(server.get_url()) self.assertRaises(errors.TransportError, t.get, 'foo/bar') class TestRecordingServer(tests.TestCase): def test_create(self): server = RecordingServer(expect_body_tail=None) self.assertEqual('', server.received_bytes) self.assertEqual(None, server.host) self.assertEqual(None, server.port) def test_setUp_and_tearDown(self): server = RecordingServer(expect_body_tail=None) server.setUp() try: self.assertNotEqual(None, server.host) self.assertNotEqual(None, server.port) finally: server.tearDown() self.assertEqual(None, server.host) self.assertEqual(None, server.port) def test_send_receive_bytes(self): server = RecordingServer(expect_body_tail='c') server.setUp() self.addCleanup(server.tearDown) sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.connect((server.host, server.port)) sock.sendall('abc') self.assertEqual('HTTP/1.1 200 OK\r\n', osutils.recv_all(sock, 4096)) self.assertEqual('abc', server.received_bytes) class TestRangeRequestServer(TestSpecificRequestHandler): """Tests readv requests against server. We test against default "normal" server. """ def setUp(self): super(TestRangeRequestServer, self).setUp() self.build_tree_contents([('a', '0123456789')],) def test_readv(self): server = self.get_readonly_server() t = self._transport(server.get_url()) l = list(t.readv('a', ((0, 1), (1, 1), (3, 2), (9, 1)))) self.assertEqual(l[0], (0, '0')) self.assertEqual(l[1], (1, '1')) self.assertEqual(l[2], (3, '34')) self.assertEqual(l[3], (9, '9')) def test_readv_out_of_order(self): server = self.get_readonly_server() t = self._transport(server.get_url()) l = list(t.readv('a', ((1, 1), (9, 1), (0, 1), (3, 2)))) self.assertEqual(l[0], (1, '1')) self.assertEqual(l[1], (9, '9')) self.assertEqual(l[2], (0, '0')) self.assertEqual(l[3], (3, '34')) def test_readv_invalid_ranges(self): server = self.get_readonly_server() t = self._transport(server.get_url()) # This is intentionally reading off the end of the file # since we are sure that it cannot get there self.assertListRaises((errors.InvalidRange, errors.ShortReadvError,), t.readv, 'a', [(1,1), (8,10)]) # This is trying to seek past the end of the file, it should # also raise a special error self.assertListRaises((errors.InvalidRange, errors.ShortReadvError,), t.readv, 'a', [(12,2)]) def test_readv_multiple_get_requests(self): server = self.get_readonly_server() t = self._transport(server.get_url()) # force transport to issue multiple requests t._max_readv_combine = 1 t._max_get_ranges = 1 l = list(t.readv('a', ((0, 1), (1, 1), (3, 2), (9, 1)))) self.assertEqual(l[0], (0, '0')) self.assertEqual(l[1], (1, '1')) self.assertEqual(l[2], (3, '34')) self.assertEqual(l[3], (9, '9')) # The server should have issued 4 requests self.assertEqual(4, server.GET_request_nb) def test_readv_get_max_size(self): server = self.get_readonly_server() t = self._transport(server.get_url()) # force transport to issue multiple requests by limiting the number of # bytes by request. Note that this apply to coalesced offsets only, a # single range will keep its size even if bigger than the limit. t._get_max_size = 2 l = list(t.readv('a', ((0, 1), (1, 1), (2, 4), (6, 4)))) self.assertEqual(l[0], (0, '0')) self.assertEqual(l[1], (1, '1')) self.assertEqual(l[2], (2, '2345')) self.assertEqual(l[3], (6, '6789')) # The server should have issued 3 requests self.assertEqual(3, server.GET_request_nb) def test_complete_readv_leave_pipe_clean(self): server = self.get_readonly_server() t = self._transport(server.get_url()) # force transport to issue multiple requests t._get_max_size = 2 l = list(t.readv('a', ((0, 1), (1, 1), (2, 4), (6, 4)))) # The server should have issued 3 requests self.assertEqual(3, server.GET_request_nb) self.assertEqual('0123456789', t.get_bytes('a')) self.assertEqual(4, server.GET_request_nb) def test_incomplete_readv_leave_pipe_clean(self): server = self.get_readonly_server() t = self._transport(server.get_url()) # force transport to issue multiple requests t._get_max_size = 2 # Don't collapse readv results into a list so that we leave unread # bytes on the socket ireadv = iter(t.readv('a', ((0, 1), (1, 1), (2, 4), (6, 4)))) self.assertEqual((0, '0'), ireadv.next()) # The server should have issued one request so far self.assertEqual(1, server.GET_request_nb) self.assertEqual('0123456789', t.get_bytes('a')) # get_bytes issued an additional request, the readv pending ones are # lost self.assertEqual(2, server.GET_request_nb) class SingleRangeRequestHandler(http_server.TestingHTTPRequestHandler): """Always reply to range request as if they were single. Don't be explicit about it, just to annoy the clients. """ def get_multiple_ranges(self, file, file_size, ranges): """Answer as if it was a single range request and ignores the rest""" (start, end) = ranges[0] return self.get_single_range(file, file_size, start, end) class TestSingleRangeRequestServer(TestRangeRequestServer): """Test readv against a server which accept only single range requests""" _req_handler_class = SingleRangeRequestHandler class SingleOnlyRangeRequestHandler(http_server.TestingHTTPRequestHandler): """Only reply to simple range requests, errors out on multiple""" def get_multiple_ranges(self, file, file_size, ranges): """Refuses the multiple ranges request""" if len(ranges) > 1: file.close() self.send_error(416, "Requested range not satisfiable") return (start, end) = ranges[0] return self.get_single_range(file, file_size, start, end) class TestSingleOnlyRangeRequestServer(TestRangeRequestServer): """Test readv against a server which only accept single range requests""" _req_handler_class = SingleOnlyRangeRequestHandler class NoRangeRequestHandler(http_server.TestingHTTPRequestHandler): """Ignore range requests without notice""" def do_GET(self): # Update the statistics self.server.test_case_server.GET_request_nb += 1 # Just bypass the range handling done by TestingHTTPRequestHandler return SimpleHTTPServer.SimpleHTTPRequestHandler.do_GET(self) class TestNoRangeRequestServer(TestRangeRequestServer): """Test readv against a server which do not accept range requests""" _req_handler_class = NoRangeRequestHandler class MultipleRangeWithoutContentLengthRequestHandler( http_server.TestingHTTPRequestHandler): """Reply to multiple range requests without content length header.""" def get_multiple_ranges(self, file, file_size, ranges): self.send_response(206) self.send_header('Accept-Ranges', 'bytes') boundary = "%d" % random.randint(0,0x7FFFFFFF) self.send_header("Content-Type", "multipart/byteranges; boundary=%s" % boundary) self.end_headers() for (start, end) in ranges: self.wfile.write("--%s\r\n" % boundary) self.send_header("Content-type", 'application/octet-stream') self.send_header("Content-Range", "bytes %d-%d/%d" % (start, end, file_size)) self.end_headers() self.send_range_content(file, start, end - start + 1) # Final boundary self.wfile.write("--%s\r\n" % boundary) class TestMultipleRangeWithoutContentLengthServer(TestRangeRequestServer): _req_handler_class = MultipleRangeWithoutContentLengthRequestHandler class TruncatedMultipleRangeRequestHandler( http_server.TestingHTTPRequestHandler): """Reply to multiple range requests truncating the last ones. This server generates responses whose Content-Length describes all the ranges, but fail to include the last ones leading to client short reads. This has been observed randomly with lighttpd (bug #179368). """ _truncated_ranges = 2 def get_multiple_ranges(self, file, file_size, ranges): self.send_response(206) self.send_header('Accept-Ranges', 'bytes') boundary = 'tagada' self.send_header('Content-Type', 'multipart/byteranges; boundary=%s' % boundary) boundary_line = '--%s\r\n' % boundary # Calculate the Content-Length content_length = 0 for (start, end) in ranges: content_length += len(boundary_line) content_length += self._header_line_length( 'Content-type', 'application/octet-stream') content_length += self._header_line_length( 'Content-Range', 'bytes %d-%d/%d' % (start, end, file_size)) content_length += len('\r\n') # end headers content_length += end - start # + 1 content_length += len(boundary_line) self.send_header('Content-length', content_length) self.end_headers() # Send the multipart body cur = 0 for (start, end) in ranges: self.wfile.write(boundary_line) self.send_header('Content-type', 'application/octet-stream') self.send_header('Content-Range', 'bytes %d-%d/%d' % (start, end, file_size)) self.end_headers() if cur + self._truncated_ranges >= len(ranges): # Abruptly ends the response and close the connection self.close_connection = 1 return self.send_range_content(file, start, end - start + 1) cur += 1 # No final boundary self.wfile.write(boundary_line) class TestTruncatedMultipleRangeServer(TestSpecificRequestHandler): _req_handler_class = TruncatedMultipleRangeRequestHandler def setUp(self): super(TestTruncatedMultipleRangeServer, self).setUp() self.build_tree_contents([('a', '0123456789')],) def test_readv_with_short_reads(self): server = self.get_readonly_server() t = self._transport(server.get_url()) # Force separate ranges for each offset t._bytes_to_read_before_seek = 0 ireadv = iter(t.readv('a', ((0, 1), (2, 1), (4, 2), (9, 1)))) self.assertEqual((0, '0'), ireadv.next()) self.assertEqual((2, '2'), ireadv.next()) if not self._testing_pycurl(): # Only one request have been issued so far (except for pycurl that # try to read the whole response at once) self.assertEqual(1, server.GET_request_nb) self.assertEqual((4, '45'), ireadv.next()) self.assertEqual((9, '9'), ireadv.next()) # Both implementations issue 3 requests but: # - urllib does two multiple (4 ranges, then 2 ranges) then a single # range, # - pycurl does two multiple (4 ranges, 4 ranges) then a single range self.assertEqual(3, server.GET_request_nb) # Finally the client have tried a single range request and stays in # that mode self.assertEqual('single', t._range_hint) class LimitedRangeRequestHandler(http_server.TestingHTTPRequestHandler): """Errors out when range specifiers exceed the limit""" def get_multiple_ranges(self, file, file_size, ranges): """Refuses the multiple ranges request""" tcs = self.server.test_case_server if tcs.range_limit is not None and len(ranges) > tcs.range_limit: file.close() # Emulate apache behavior self.send_error(400, "Bad Request") return return http_server.TestingHTTPRequestHandler.get_multiple_ranges( self, file, file_size, ranges) class LimitedRangeHTTPServer(http_server.HttpServer): """An HttpServer erroring out on requests with too much range specifiers""" def __init__(self, request_handler=LimitedRangeRequestHandler, protocol_version=None, range_limit=None): http_server.HttpServer.__init__(self, request_handler, protocol_version=protocol_version) self.range_limit = range_limit class TestLimitedRangeRequestServer(http_utils.TestCaseWithWebserver): """Tests readv requests against a server erroring out on too much ranges.""" # Requests with more range specifiers will error out range_limit = 3 def create_transport_readonly_server(self): return LimitedRangeHTTPServer(range_limit=self.range_limit, protocol_version=self._protocol_version) def get_transport(self): return self._transport(self.get_readonly_server().get_url()) def setUp(self): http_utils.TestCaseWithWebserver.setUp(self) # We need to manipulate ranges that correspond to real chunks in the # response, so we build a content appropriately. filler = ''.join(['abcdefghij' for x in range(102)]) content = ''.join(['%04d' % v + filler for v in range(16)]) self.build_tree_contents([('a', content)],) def test_few_ranges(self): t = self.get_transport() l = list(t.readv('a', ((0, 4), (1024, 4), ))) self.assertEqual(l[0], (0, '0000')) self.assertEqual(l[1], (1024, '0001')) self.assertEqual(1, self.get_readonly_server().GET_request_nb) def test_more_ranges(self): t = self.get_transport() l = list(t.readv('a', ((0, 4), (1024, 4), (4096, 4), (8192, 4)))) self.assertEqual(l[0], (0, '0000')) self.assertEqual(l[1], (1024, '0001')) self.assertEqual(l[2], (4096, '0004')) self.assertEqual(l[3], (8192, '0008')) # The server will refuse to serve the first request (too much ranges), # a second request will succeed. self.assertEqual(2, self.get_readonly_server().GET_request_nb) class TestHttpProxyWhiteBox(tests.TestCase): """Whitebox test proxy http authorization. Only the urllib implementation is tested here. """ def setUp(self): tests.TestCase.setUp(self) self._old_env = {} def tearDown(self): self._restore_env() tests.TestCase.tearDown(self) def _install_env(self, env): for name, value in env.iteritems(): self._old_env[name] = osutils.set_or_unset_env(name, value) def _restore_env(self): for name, value in self._old_env.iteritems(): osutils.set_or_unset_env(name, value) def _proxied_request(self): handler = _urllib2_wrappers.ProxyHandler() request = _urllib2_wrappers.Request('GET','http://baz/buzzle') handler.set_proxy(request, 'http') return request def test_empty_user(self): self._install_env({'http_proxy': 'http://bar.com'}) request = self._proxied_request() self.assertFalse(request.headers.has_key('Proxy-authorization')) def test_invalid_proxy(self): """A proxy env variable without scheme""" self._install_env({'http_proxy': 'host:1234'}) self.assertRaises(errors.InvalidURL, self._proxied_request) class TestProxyHttpServer(http_utils.TestCaseWithTwoWebservers): """Tests proxy server. Be aware that we do not setup a real proxy here. Instead, we check that the *connection* goes through the proxy by serving different content (the faked proxy server append '-proxied' to the file names). """ # FIXME: We don't have an https server available, so we don't # test https connections. def setUp(self): super(TestProxyHttpServer, self).setUp() self.build_tree_contents([('foo', 'contents of foo\n'), ('foo-proxied', 'proxied contents of foo\n')]) # Let's setup some attributes for tests self.server = self.get_readonly_server() self.proxy_address = '%s:%d' % (self.server.host, self.server.port) if self._testing_pycurl(): # Oh my ! pycurl does not check for the port as part of # no_proxy :-( So we just test the host part self.no_proxy_host = 'localhost' else: self.no_proxy_host = self.proxy_address # The secondary server is the proxy self.proxy = self.get_secondary_server() self.proxy_url = self.proxy.get_url() self._old_env = {} def _testing_pycurl(self): return pycurl_present and self._transport == PyCurlTransport def create_transport_secondary_server(self): """Creates an http server that will serve files with '-proxied' appended to their names. """ return http_utils.ProxyServer(protocol_version=self._protocol_version) def _install_env(self, env): for name, value in env.iteritems(): self._old_env[name] = osutils.set_or_unset_env(name, value) def _restore_env(self): for name, value in self._old_env.iteritems(): osutils.set_or_unset_env(name, value) def proxied_in_env(self, env): self._install_env(env) url = self.server.get_url() t = self._transport(url) try: self.assertEqual(t.get('foo').read(), 'proxied contents of foo\n') finally: self._restore_env() def not_proxied_in_env(self, env): self._install_env(env) url = self.server.get_url() t = self._transport(url) try: self.assertEqual(t.get('foo').read(), 'contents of foo\n') finally: self._restore_env() def test_http_proxy(self): self.proxied_in_env({'http_proxy': self.proxy_url}) def test_HTTP_PROXY(self): if self._testing_pycurl(): # pycurl does not check HTTP_PROXY for security reasons # (for use in a CGI context that we do not care # about. Should we ?) raise tests.TestNotApplicable( 'pycurl does not check HTTP_PROXY for security reasons') self.proxied_in_env({'HTTP_PROXY': self.proxy_url}) def test_all_proxy(self): self.proxied_in_env({'all_proxy': self.proxy_url}) def test_ALL_PROXY(self): self.proxied_in_env({'ALL_PROXY': self.proxy_url}) def test_http_proxy_with_no_proxy(self): self.not_proxied_in_env({'http_proxy': self.proxy_url, 'no_proxy': self.no_proxy_host}) def test_HTTP_PROXY_with_NO_PROXY(self): if self._testing_pycurl(): raise tests.TestNotApplicable( 'pycurl does not check HTTP_PROXY for security reasons') self.not_proxied_in_env({'HTTP_PROXY': self.proxy_url, 'NO_PROXY': self.no_proxy_host}) def test_all_proxy_with_no_proxy(self): self.not_proxied_in_env({'all_proxy': self.proxy_url, 'no_proxy': self.no_proxy_host}) def test_ALL_PROXY_with_NO_PROXY(self): self.not_proxied_in_env({'ALL_PROXY': self.proxy_url, 'NO_PROXY': self.no_proxy_host}) def test_http_proxy_without_scheme(self): if self._testing_pycurl(): # pycurl *ignores* invalid proxy env variables. If that ever change # in the future, this test will fail indicating that pycurl do not # ignore anymore such variables. self.not_proxied_in_env({'http_proxy': self.proxy_address}) else: self.assertRaises(errors.InvalidURL, self.proxied_in_env, {'http_proxy': self.proxy_address}) class TestRanges(http_utils.TestCaseWithWebserver): """Test the Range header in GET methods.""" def setUp(self): http_utils.TestCaseWithWebserver.setUp(self) self.build_tree_contents([('a', '0123456789')],) server = self.get_readonly_server() self.transport = self._transport(server.get_url()) def create_transport_readonly_server(self): return http_server.HttpServer(protocol_version=self._protocol_version) def _file_contents(self, relpath, ranges): offsets = [ (start, end - start + 1) for start, end in ranges] coalesce = self.transport._coalesce_offsets coalesced = list(coalesce(offsets, limit=0, fudge_factor=0)) code, data = self.transport._get(relpath, coalesced) self.assertTrue(code in (200, 206),'_get returns: %d' % code) for start, end in ranges: data.seek(start) yield data.read(end - start + 1) def _file_tail(self, relpath, tail_amount): code, data = self.transport._get(relpath, [], tail_amount) self.assertTrue(code in (200, 206),'_get returns: %d' % code) data.seek(-tail_amount, 2) return data.read(tail_amount) def test_range_header(self): # Valid ranges map(self.assertEqual,['0', '234'], list(self._file_contents('a', [(0,0), (2,4)])),) def test_range_header_tail(self): self.assertEqual('789', self._file_tail('a', 3)) def test_syntactically_invalid_range_header(self): self.assertListRaises(errors.InvalidHttpRange, self._file_contents, 'a', [(4, 3)]) def test_semantically_invalid_range_header(self): self.assertListRaises(errors.InvalidHttpRange, self._file_contents, 'a', [(42, 128)]) class TestHTTPRedirections(http_utils.TestCaseWithRedirectedWebserver): """Test redirection between http servers.""" def create_transport_secondary_server(self): """Create the secondary server redirecting to the primary server""" new = self.get_readonly_server() redirecting = http_utils.HTTPServerRedirecting( protocol_version=self._protocol_version) redirecting.redirect_to(new.host, new.port) return redirecting def setUp(self): super(TestHTTPRedirections, self).setUp() self.build_tree_contents([('a', '0123456789'), ('bundle', '# Bazaar revision bundle v0.9\n#\n') ],) self.old_transport = self._transport(self.old_server.get_url()) def test_redirected(self): self.assertRaises(errors.RedirectRequested, self.old_transport.get, 'a') t = self._transport(self.new_server.get_url()) self.assertEqual('0123456789', t.get('a').read()) def test_read_redirected_bundle_from_url(self): from bzrlib.bundle import read_bundle_from_url url = self.old_transport.abspath('bundle') bundle = read_bundle_from_url(url) # If read_bundle_from_url was successful we get an empty bundle self.assertEqual([], bundle.revisions) class RedirectedRequest(_urllib2_wrappers.Request): """Request following redirections. """ init_orig = _urllib2_wrappers.Request.__init__ def __init__(self, method, url, *args, **kwargs): """Constructor. """ # Since the tests using this class will replace # _urllib2_wrappers.Request, we can't just call the base class __init__ # or we'll loop. RedirectedRequest.init_orig(self, method, url, args, kwargs) self.follow_redirections = True class TestHTTPSilentRedirections(http_utils.TestCaseWithRedirectedWebserver): """Test redirections. http implementations do not redirect silently anymore (they do not redirect at all in fact). The mechanism is still in place at the _urllib2_wrappers.Request level and these tests exercise it. For the pycurl implementation the redirection have been deleted as we may deprecate pycurl and I have no place to keep a working implementation. -- vila 20070212 """ def setUp(self): if pycurl_present and self._transport == PyCurlTransport: raise tests.TestNotApplicable( "pycurl doesn't redirect silently annymore") super(TestHTTPSilentRedirections, self).setUp() self.setup_redirected_request() self.addCleanup(self.cleanup_redirected_request) self.build_tree_contents([('a','a'), ('1/',), ('1/a', 'redirected once'), ('2/',), ('2/a', 'redirected twice'), ('3/',), ('3/a', 'redirected thrice'), ('4/',), ('4/a', 'redirected 4 times'), ('5/',), ('5/a', 'redirected 5 times'), ],) self.old_transport = self._transport(self.old_server.get_url()) def setup_redirected_request(self): self.original_class = _urllib2_wrappers.Request _urllib2_wrappers.Request = RedirectedRequest def cleanup_redirected_request(self): _urllib2_wrappers.Request = self.original_class def create_transport_secondary_server(self): """Create the secondary server, redirections are defined in the tests""" return http_utils.HTTPServerRedirecting( protocol_version=self._protocol_version) def test_one_redirection(self): t = self.old_transport req = RedirectedRequest('GET', t.abspath('a')) req.follow_redirections = True new_prefix = 'http://%s:%s' % (self.new_server.host, self.new_server.port) self.old_server.redirections = \ [('(.*)', r'%s/1\1' % (new_prefix), 301),] self.assertEquals('redirected once',t._perform(req).read()) def test_five_redirections(self): t = self.old_transport req = RedirectedRequest('GET', t.abspath('a')) req.follow_redirections = True old_prefix = 'http://%s:%s' % (self.old_server.host, self.old_server.port) new_prefix = 'http://%s:%s' % (self.new_server.host, self.new_server.port) self.old_server.redirections = [ ('/1(.*)', r'%s/2\1' % (old_prefix), 302), ('/2(.*)', r'%s/3\1' % (old_prefix), 303), ('/3(.*)', r'%s/4\1' % (old_prefix), 307), ('/4(.*)', r'%s/5\1' % (new_prefix), 301), ('(/[^/]+)', r'%s/1\1' % (old_prefix), 301), ] self.assertEquals('redirected 5 times',t._perform(req).read()) class TestDoCatchRedirections(http_utils.TestCaseWithRedirectedWebserver): """Test transport.do_catching_redirections.""" def setUp(self): super(TestDoCatchRedirections, self).setUp() self.build_tree_contents([('a', '0123456789'),],) self.old_transport = self._transport(self.old_server.get_url()) def get_a(self, transport): return transport.get('a') def test_no_redirection(self): t = self._transport(self.new_server.get_url()) # We use None for redirected so that we fail if redirected self.assertEquals('0123456789', transport.do_catching_redirections( self.get_a, t, None).read()) def test_one_redirection(self): self.redirections = 0 def redirected(transport, exception, redirection_notice): self.redirections += 1 dir, file = urlutils.split(exception.target) return self._transport(dir) self.assertEquals('0123456789', transport.do_catching_redirections( self.get_a, self.old_transport, redirected).read()) self.assertEquals(1, self.redirections) def test_redirection_loop(self): def redirected(transport, exception, redirection_notice): # By using the redirected url as a base dir for the # *old* transport, we create a loop: a => a/a => # a/a/a return self.old_transport.clone(exception.target) self.assertRaises(errors.TooManyRedirections, transport.do_catching_redirections, self.get_a, self.old_transport, redirected) class TestAuth(http_utils.TestCaseWithWebserver): """Test authentication scheme""" _auth_header = 'Authorization' _password_prompt_prefix = '' def setUp(self): super(TestAuth, self).setUp() self.server = self.get_readonly_server() self.build_tree_contents([('a', 'contents of a\n'), ('b', 'contents of b\n'),]) def create_transport_readonly_server(self): if self._auth_scheme == 'basic': server = http_utils.HTTPBasicAuthServer( protocol_version=self._protocol_version) else: if self._auth_scheme != 'digest': raise AssertionError('Unknown auth scheme: %r' % self._auth_scheme) server = http_utils.HTTPDigestAuthServer( protocol_version=self._protocol_version) return server def _testing_pycurl(self): return pycurl_present and self._transport == PyCurlTransport def get_user_url(self, user=None, password=None): """Build an url embedding user and password""" url = '%s://' % self.server._url_protocol if user is not None: url += user if password is not None: url += ':' + password url += '@' url += '%s:%s/' % (self.server.host, self.server.port) return url def get_user_transport(self, user=None, password=None): return self._transport(self.get_user_url(user, password)) def test_no_user(self): self.server.add_user('joe', 'foo') t = self.get_user_transport() self.assertRaises(errors.InvalidHttpResponse, t.get, 'a') # Only one 'Authentication Required' error should occur self.assertEqual(1, self.server.auth_required_errors) def test_empty_pass(self): self.server.add_user('joe', '') t = self.get_user_transport('joe', '') self.assertEqual('contents of a\n', t.get('a').read()) # Only one 'Authentication Required' error should occur self.assertEqual(1, self.server.auth_required_errors) def test_user_pass(self): self.server.add_user('joe', 'foo') t = self.get_user_transport('joe', 'foo') self.assertEqual('contents of a\n', t.get('a').read()) # Only one 'Authentication Required' error should occur self.assertEqual(1, self.server.auth_required_errors) def test_unknown_user(self): self.server.add_user('joe', 'foo') t = self.get_user_transport('bill', 'foo') self.assertRaises(errors.InvalidHttpResponse, t.get, 'a') # Two 'Authentication Required' errors should occur (the # initial 'who are you' and 'I don't know you, who are # you'). self.assertEqual(2, self.server.auth_required_errors) def test_wrong_pass(self): self.server.add_user('joe', 'foo') t = self.get_user_transport('joe', 'bar') self.assertRaises(errors.InvalidHttpResponse, t.get, 'a') # Two 'Authentication Required' errors should occur (the # initial 'who are you' and 'this is not you, who are you') self.assertEqual(2, self.server.auth_required_errors) def test_prompt_for_password(self): if self._testing_pycurl(): raise tests.TestNotApplicable( 'pycurl cannot prompt, it handles auth by embedding' ' user:pass in urls only') self.server.add_user('joe', 'foo') t = self.get_user_transport('joe', None) stdout = tests.StringIOWrapper() ui.ui_factory = tests.TestUIFactory(stdin='foo\n', stdout=stdout) self.assertEqual('contents of a\n',t.get('a').read()) # stdin should be empty self.assertEqual('', ui.ui_factory.stdin.readline()) self._check_password_prompt(t._unqualified_scheme, 'joe', stdout.getvalue()) # And we shouldn't prompt again for a different request # against the same transport. self.assertEqual('contents of b\n',t.get('b').read()) t2 = t.clone() # And neither against a clone self.assertEqual('contents of b\n',t2.get('b').read()) # Only one 'Authentication Required' error should occur self.assertEqual(1, self.server.auth_required_errors) def _check_password_prompt(self, scheme, user, actual_prompt): expected_prompt = (self._password_prompt_prefix + ("%s %s@%s:%d, Realm: '%s' password: " % (scheme.upper(), user, self.server.host, self.server.port, self.server.auth_realm))) self.assertEquals(expected_prompt, actual_prompt) def test_no_prompt_for_password_when_using_auth_config(self): if self._testing_pycurl(): raise tests.TestNotApplicable( 'pycurl does not support authentication.conf' ' since it cannot prompt') user =' joe' password = 'foo' stdin_content = 'bar\n' # Not the right password self.server.add_user(user, password) t = self.get_user_transport(user, None) ui.ui_factory = tests.TestUIFactory(stdin=stdin_content, stdout=tests.StringIOWrapper()) # Create a minimal config file with the right password conf = config.AuthenticationConfig() conf._get_config().update( {'httptest': {'scheme': 'http', 'port': self.server.port, 'user': user, 'password': password}}) conf._save() # Issue a request to the server to connect self.assertEqual('contents of a\n',t.get('a').read()) # stdin should have been left untouched self.assertEqual(stdin_content, ui.ui_factory.stdin.readline()) # Only one 'Authentication Required' error should occur self.assertEqual(1, self.server.auth_required_errors) def test_changing_nonce(self): if self._auth_scheme != 'digest': raise tests.TestNotApplicable('HTTP auth digest only test') if self._testing_pycurl(): raise tests.KnownFailure( 'pycurl does not handle a nonce change') self.server.add_user('joe', 'foo') t = self.get_user_transport('joe', 'foo') self.assertEqual('contents of a\n', t.get('a').read()) self.assertEqual('contents of b\n', t.get('b').read()) # Only one 'Authentication Required' error should have # occured so far self.assertEqual(1, self.server.auth_required_errors) # The server invalidates the current nonce self.server.auth_nonce = self.server.auth_nonce + '. No, now!' self.assertEqual('contents of a\n', t.get('a').read()) # Two 'Authentication Required' errors should occur (the # initial 'who are you' and a second 'who are you' with the new nonce) self.assertEqual(2, self.server.auth_required_errors) class TestProxyAuth(TestAuth): """Test proxy authentication schemes.""" _auth_header = 'Proxy-authorization' _password_prompt_prefix='Proxy ' def setUp(self): super(TestProxyAuth, self).setUp() self._old_env = {} self.addCleanup(self._restore_env) # Override the contents to avoid false positives self.build_tree_contents([('a', 'not proxied contents of a\n'), ('b', 'not proxied contents of b\n'), ('a-proxied', 'contents of a\n'), ('b-proxied', 'contents of b\n'), ]) def create_transport_readonly_server(self): if self._auth_scheme == 'basic': server = http_utils.ProxyBasicAuthServer( protocol_version=self._protocol_version) else: if self._auth_scheme != 'digest': raise AssertionError('Unknown auth scheme: %r' % self._auth_scheme) server = http_utils.ProxyDigestAuthServer( protocol_version=self._protocol_version) return server def get_user_transport(self, user=None, password=None): self._install_env({'all_proxy': self.get_user_url(user, password)}) return self._transport(self.server.get_url()) def _install_env(self, env): for name, value in env.iteritems(): self._old_env[name] = osutils.set_or_unset_env(name, value) def _restore_env(self): for name, value in self._old_env.iteritems(): osutils.set_or_unset_env(name, value) def test_empty_pass(self): if self._testing_pycurl(): import pycurl if pycurl.version_info()[1] < '7.16.0': raise tests.KnownFailure( 'pycurl < 7.16.0 does not handle empty proxy passwords') super(TestProxyAuth, self).test_empty_pass() class SampleSocket(object): """A socket-like object for use in testing the HTTP request handler.""" def __init__(self, socket_read_content): """Constructs a sample socket. :param socket_read_content: a byte sequence """ # Use plain python StringIO so we can monkey-patch the close method to # not discard the contents. from StringIO import StringIO self.readfile = StringIO(socket_read_content) self.writefile = StringIO() self.writefile.close = lambda: None def makefile(self, mode='r', bufsize=None): if 'r' in mode: return self.readfile else: return self.writefile class SmartHTTPTunnellingTest(tests.TestCaseWithTransport): def setUp(self): super(SmartHTTPTunnellingTest, self).setUp() # We use the VFS layer as part of HTTP tunnelling tests. self._captureVar('BZR_NO_SMART_VFS', None) self.transport_readonly_server = http_utils.HTTPServerWithSmarts def create_transport_readonly_server(self): return http_utils.HTTPServerWithSmarts( protocol_version=self._protocol_version) def test_bulk_data(self): # We should be able to send and receive bulk data in a single message. # The 'readv' command in the smart protocol both sends and receives # bulk data, so we use that. self.build_tree(['data-file']) http_server = self.get_readonly_server() http_transport = self._transport(http_server.get_url()) medium = http_transport.get_smart_medium() # Since we provide the medium, the url below will be mostly ignored # during the test, as long as the path is '/'. remote_transport = remote.RemoteTransport('bzr://fake_host/', medium=medium) self.assertEqual( [(0, "c")], list(remote_transport.readv("data-file", [(0,1)]))) def test_http_send_smart_request(self): post_body = 'hello\n' expected_reply_body = 'ok\x012\n' http_server = self.get_readonly_server() http_transport = self._transport(http_server.get_url()) medium = http_transport.get_smart_medium() response = medium.send_http_smart_request(post_body) reply_body = response.read() self.assertEqual(expected_reply_body, reply_body) def test_smart_http_server_post_request_handler(self): httpd = self.get_readonly_server()._get_httpd() socket = SampleSocket( 'POST /.bzr/smart %s \r\n' % self._protocol_version # HTTP/1.1 posts must have a Content-Length (but it doesn't hurt # for 1.0) + 'Content-Length: 6\r\n' '\r\n' 'hello\n') # Beware: the ('localhost', 80) below is the # client_address parameter, but we don't have one because # we have defined a socket which is not bound to an # address. The test framework never uses this client # address, so far... request_handler = http_utils.SmartRequestHandler(socket, ('localhost', 80), httpd) response = socket.writefile.getvalue() self.assertStartsWith(response, '%s 200 ' % self._protocol_version) # This includes the end of the HTTP headers, and all the body. expected_end_of_response = '\r\n\r\nok\x012\n' self.assertEndsWith(response, expected_end_of_response)