13
13
# You should have received a copy of the GNU General Public License
 
14
14
# along with this program; if not, write to the Free Software
 
15
 
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
17
 
"""Tests for HTTP implementations.
 
19
 
This module defines a load_tests() method that parametrize tests classes for
 
20
 
transport implementation, http protocol versions and authentication schemes.
 
 
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
 
17
# FIXME: This test should be repeated for each available http client
 
 
18
# implementation; at the moment we have urllib and pycurl.
 
23
20
# TODO: Should be renamed to bzrlib.transport.http.tests?
 
24
21
# TODO: What about renaming to bzrlib.tests.transport.http ?
 
26
23
from cStringIO import StringIO
 
30
 
import SimpleHTTPServer
 
36
31
from bzrlib import (
 
41
 
    remote as _mod_remote,
 
47
 
from bzrlib.symbol_versioning import (
 
50
37
from bzrlib.tests import (
 
 
43
from bzrlib.tests.HttpServer import (
 
 
48
from bzrlib.tests.HTTPTestUtil import (
 
 
49
    BadProtocolRequestHandler,
 
 
50
    BadStatusRequestHandler,
 
 
51
    ForbiddenRequestHandler,
 
 
54
    HTTPServerRedirecting,
 
 
55
    InvalidStatusRequestHandler,
 
 
56
    NoRangeRequestHandler,
 
 
58
    ProxyDigestAuthServer,
 
 
60
    SingleRangeRequestHandler,
 
 
61
    SingleOnlyRangeRequestHandler,
 
 
62
    TestCaseWithRedirectedWebserver,
 
 
63
    TestCaseWithTwoWebservers,
 
 
64
    TestCaseWithWebserver,
 
55
67
from bzrlib.transport import (
 
 
68
    do_catching_redirections,
 
59
72
from bzrlib.transport.http import (
 
65
 
if features.pycurl.available():
 
66
 
    from bzrlib.transport.http._pycurl import PyCurlTransport
 
69
 
def load_tests(standard_tests, module, loader):
 
70
 
    """Multiply tests for http clients and protocol versions."""
 
71
 
    result = loader.suiteClass()
 
73
 
    # one for each transport implementation
 
74
 
    t_tests, remaining_tests = tests.split_suite_by_condition(
 
75
 
        standard_tests, tests.condition_isinstance((
 
76
 
                TestHttpTransportRegistration,
 
77
 
                TestHttpTransportUrls,
 
80
 
    transport_scenarios = [
 
81
 
        ('urllib', dict(_transport=_urllib.HttpTransport_urllib,
 
82
 
                        _server=http_server.HttpServer_urllib,
 
83
 
                        _qualified_prefix='http+urllib',)),
 
85
 
    if features.pycurl.available():
 
86
 
        transport_scenarios.append(
 
87
 
            ('pycurl', dict(_transport=PyCurlTransport,
 
88
 
                            _server=http_server.HttpServer_PyCurl,
 
89
 
                            _qualified_prefix='http+pycurl',)))
 
90
 
    tests.multiply_tests(t_tests, transport_scenarios, result)
 
92
 
    # each implementation tested with each HTTP version
 
93
 
    tp_tests, remaining_tests = tests.split_suite_by_condition(
 
94
 
        remaining_tests, tests.condition_isinstance((
 
95
 
                SmartHTTPTunnellingTest,
 
96
 
                TestDoCatchRedirections,
 
99
 
                TestHTTPSilentRedirections,
 
100
 
                TestLimitedRangeRequestServer,
 
104
 
                TestSpecificRequestHandler,
 
106
 
    protocol_scenarios = [
 
107
 
            ('HTTP/1.0',  dict(_protocol_version='HTTP/1.0')),
 
108
 
            ('HTTP/1.1',  dict(_protocol_version='HTTP/1.1')),
 
110
 
    tp_scenarios = tests.multiply_scenarios(transport_scenarios,
 
112
 
    tests.multiply_tests(tp_tests, tp_scenarios, result)
 
114
 
    # proxy auth: each auth scheme on all http versions on all implementations.
 
115
 
    tppa_tests, remaining_tests = tests.split_suite_by_condition(
 
116
 
        remaining_tests, tests.condition_isinstance((
 
119
 
    proxy_auth_scheme_scenarios = [
 
120
 
        ('basic', dict(_auth_server=http_utils.ProxyBasicAuthServer)),
 
121
 
        ('digest', dict(_auth_server=http_utils.ProxyDigestAuthServer)),
 
123
 
         dict(_auth_server=http_utils.ProxyBasicAndDigestAuthServer)),
 
125
 
    tppa_scenarios = tests.multiply_scenarios(tp_scenarios,
 
126
 
                                              proxy_auth_scheme_scenarios)
 
127
 
    tests.multiply_tests(tppa_tests, tppa_scenarios, result)
 
129
 
    # auth: each auth scheme on all http versions on all implementations.
 
130
 
    tpa_tests, remaining_tests = tests.split_suite_by_condition(
 
131
 
        remaining_tests, tests.condition_isinstance((
 
134
 
    auth_scheme_scenarios = [
 
135
 
        ('basic', dict(_auth_server=http_utils.HTTPBasicAuthServer)),
 
136
 
        ('digest', dict(_auth_server=http_utils.HTTPDigestAuthServer)),
 
138
 
         dict(_auth_server=http_utils.HTTPBasicAndDigestAuthServer)),
 
140
 
    tpa_scenarios = tests.multiply_scenarios(tp_scenarios,
 
141
 
                                             auth_scheme_scenarios)
 
142
 
    tests.multiply_tests(tpa_tests, tpa_scenarios, result)
 
144
 
    # activity: on all http[s] versions on all implementations
 
145
 
    tpact_tests, remaining_tests = tests.split_suite_by_condition(
 
146
 
        remaining_tests, tests.condition_isinstance((
 
149
 
    activity_scenarios = [
 
150
 
        ('urllib,http', dict(_activity_server=ActivityHTTPServer,
 
151
 
                             _transport=_urllib.HttpTransport_urllib,)),
 
153
 
    if tests.HTTPSServerFeature.available():
 
154
 
        activity_scenarios.append(
 
155
 
            ('urllib,https', dict(_activity_server=ActivityHTTPSServer,
 
156
 
                                  _transport=_urllib.HttpTransport_urllib,)),)
 
157
 
    if features.pycurl.available():
 
158
 
        activity_scenarios.append(
 
159
 
            ('pycurl,http', dict(_activity_server=ActivityHTTPServer,
 
160
 
                                 _transport=PyCurlTransport,)),)
 
161
 
        if tests.HTTPSServerFeature.available():
 
162
 
            from bzrlib.tests import (
 
165
 
            # FIXME: Until we have a better way to handle self-signed
 
166
 
            # certificates (like allowing them in a test specific
 
167
 
            # authentication.conf for example), we need some specialized pycurl
 
168
 
            # transport for tests.
 
169
 
            class HTTPS_pycurl_transport(PyCurlTransport):
 
171
 
                def __init__(self, base, _from_transport=None):
 
172
 
                    super(HTTPS_pycurl_transport, self).__init__(
 
173
 
                        base, _from_transport)
 
174
 
                    self.cabundle = str(ssl_certs.build_path('ca.crt'))
 
176
 
            activity_scenarios.append(
 
177
 
                ('pycurl,https', dict(_activity_server=ActivityHTTPSServer,
 
178
 
                                      _transport=HTTPS_pycurl_transport,)),)
 
180
 
    tpact_scenarios = tests.multiply_scenarios(activity_scenarios,
 
182
 
    tests.multiply_tests(tpact_tests, tpact_scenarios, result)
 
184
 
    # No parametrization for the remaining tests
 
185
 
    result.addTests(remaining_tests)
 
 
77
from bzrlib.transport.http._urllib import HttpTransport_urllib
 
 
78
from bzrlib.transport.http._urllib2_wrappers import (
 
190
85
class FakeManager(object):
 
 
260
 
class TestAuthHeader(tests.TestCase):
 
262
 
    def parse_header(self, header, auth_handler_class=None):
 
263
 
        if auth_handler_class is None:
 
264
 
            auth_handler_class = _urllib2_wrappers.AbstractAuthHandler
 
265
 
        self.auth_handler =  auth_handler_class()
 
266
 
        return self.auth_handler._parse_auth_header(header)
 
268
 
    def test_empty_header(self):
 
269
 
        scheme, remainder = self.parse_header('')
 
270
 
        self.assertEqual('', scheme)
 
271
 
        self.assertIs(None, remainder)
 
273
 
    def test_negotiate_header(self):
 
274
 
        scheme, remainder = self.parse_header('Negotiate')
 
275
 
        self.assertEqual('negotiate', scheme)
 
276
 
        self.assertIs(None, remainder)
 
278
 
    def test_basic_header(self):
 
279
 
        scheme, remainder = self.parse_header(
 
280
 
            'Basic realm="Thou should not pass"')
 
281
 
        self.assertEqual('basic', scheme)
 
282
 
        self.assertEqual('realm="Thou should not pass"', remainder)
 
284
 
    def test_basic_extract_realm(self):
 
285
 
        scheme, remainder = self.parse_header(
 
286
 
            'Basic realm="Thou should not pass"',
 
287
 
            _urllib2_wrappers.BasicAuthHandler)
 
288
 
        match, realm = self.auth_handler.extract_realm(remainder)
 
289
 
        self.assertTrue(match is not None)
 
290
 
        self.assertEqual('Thou should not pass', realm)
 
292
 
    def test_digest_header(self):
 
293
 
        scheme, remainder = self.parse_header(
 
294
 
            'Digest realm="Thou should not pass"')
 
295
 
        self.assertEqual('digest', scheme)
 
296
 
        self.assertEqual('realm="Thou should not pass"', remainder)
 
299
 
class TestHTTPServer(tests.TestCase):
 
300
 
    """Test the HTTP servers implementations."""
 
302
 
    def test_invalid_protocol(self):
 
303
 
        class BogusRequestHandler(http_server.TestingHTTPRequestHandler):
 
305
 
            protocol_version = 'HTTP/0.1'
 
307
 
        server = http_server.HttpServer(BogusRequestHandler)
 
309
 
            self.assertRaises(httplib.UnknownProtocol, server.start_server)
 
312
 
            self.fail('HTTP Server creation did not raise UnknownProtocol')
 
314
 
    def test_force_invalid_protocol(self):
 
315
 
        server = http_server.HttpServer(protocol_version='HTTP/0.1')
 
317
 
            self.assertRaises(httplib.UnknownProtocol, server.start_server)
 
320
 
            self.fail('HTTP Server creation did not raise UnknownProtocol')
 
322
 
    def test_server_start_and_stop(self):
 
323
 
        server = http_server.HttpServer()
 
324
 
        server.start_server()
 
326
 
            self.assertTrue(server._http_running)
 
329
 
        self.assertFalse(server._http_running)
 
331
 
    def test_create_http_server_one_zero(self):
 
332
 
        class RequestHandlerOneZero(http_server.TestingHTTPRequestHandler):
 
334
 
            protocol_version = 'HTTP/1.0'
 
336
 
        server = http_server.HttpServer(RequestHandlerOneZero)
 
337
 
        self.start_server(server)
 
338
 
        self.assertIsInstance(server._httpd, http_server.TestingHTTPServer)
 
340
 
    def test_create_http_server_one_one(self):
 
341
 
        class RequestHandlerOneOne(http_server.TestingHTTPRequestHandler):
 
343
 
            protocol_version = 'HTTP/1.1'
 
345
 
        server = http_server.HttpServer(RequestHandlerOneOne)
 
346
 
        self.start_server(server)
 
347
 
        self.assertIsInstance(server._httpd,
 
348
 
                              http_server.TestingThreadingHTTPServer)
 
350
 
    def test_create_http_server_force_one_one(self):
 
351
 
        class RequestHandlerOneZero(http_server.TestingHTTPRequestHandler):
 
353
 
            protocol_version = 'HTTP/1.0'
 
355
 
        server = http_server.HttpServer(RequestHandlerOneZero,
 
356
 
                                        protocol_version='HTTP/1.1')
 
357
 
        self.start_server(server)
 
358
 
        self.assertIsInstance(server._httpd,
 
359
 
                              http_server.TestingThreadingHTTPServer)
 
361
 
    def test_create_http_server_force_one_zero(self):
 
362
 
        class RequestHandlerOneOne(http_server.TestingHTTPRequestHandler):
 
364
 
            protocol_version = 'HTTP/1.1'
 
366
 
        server = http_server.HttpServer(RequestHandlerOneOne,
 
367
 
                                        protocol_version='HTTP/1.0')
 
368
 
        self.start_server(server)
 
369
 
        self.assertIsInstance(server._httpd,
 
370
 
                              http_server.TestingHTTPServer)
 
373
151
class TestWithTransport_pycurl(object):
 
374
152
    """Test case to inherit from if pycurl is present"""
 
376
154
    def _get_pycurl_maybe(self):
 
377
 
        self.requireFeature(features.pycurl)
 
378
 
        return PyCurlTransport
 
 
156
            from bzrlib.transport.http._pycurl import PyCurlTransport
 
 
157
            return PyCurlTransport
 
 
158
        except errors.DependencyNotPresent:
 
 
159
            raise TestSkipped('pycurl not present')
 
380
161
    _transport = property(_get_pycurl_maybe)
 
383
 
class TestHttpUrls(tests.TestCase):
 
 
164
class TestHttpUrls(TestCase):
 
385
166
    # TODO: This should be moved to authorization tests once they
 
388
169
    def test_url_parsing(self):
 
389
170
        f = FakeManager()
 
390
 
        url = http.extract_auth('http://example.com', f)
 
391
 
        self.assertEqual('http://example.com', url)
 
392
 
        self.assertEqual(0, len(f.credentials))
 
393
 
        url = http.extract_auth(
 
394
 
            'http://user:pass@example.com/bzr/bzr.dev', f)
 
395
 
        self.assertEqual('http://example.com/bzr/bzr.dev', url)
 
396
 
        self.assertEqual(1, len(f.credentials))
 
397
 
        self.assertEqual([None, 'example.com', 'user', 'pass'],
 
401
 
class TestHttpTransportUrls(tests.TestCase):
 
402
 
    """Test the http urls."""
 
 
171
        url = extract_auth('http://example.com', f)
 
 
172
        self.assertEquals('http://example.com', url)
 
 
173
        self.assertEquals(0, len(f.credentials))
 
 
174
        url = extract_auth('http://user:pass@www.bazaar-vcs.org/bzr/bzr.dev', f)
 
 
175
        self.assertEquals('http://www.bazaar-vcs.org/bzr/bzr.dev', url)
 
 
176
        self.assertEquals(1, len(f.credentials))
 
 
177
        self.assertEquals([None, 'www.bazaar-vcs.org', 'user', 'pass'],
 
 
181
class TestHttpTransportUrls(object):
 
 
182
    """Test the http urls.
 
 
184
    This MUST be used by daughter classes that also inherit from
 
 
187
    We can't inherit directly from TestCase or the
 
 
188
    test framework will try to create an instance which cannot
 
 
189
    run, its implementation being incomplete.
 
404
192
    def test_abs_url(self):
 
405
193
        """Construction of absolute http URLs"""
 
 
823
673
        self.assertListRaises((errors.InvalidRange, errors.ShortReadvError,),
 
824
674
                              t.readv, 'a', [(12,2)])
 
826
 
    def test_readv_multiple_get_requests(self):
 
827
 
        server = self.get_readonly_server()
 
828
 
        t = self._transport(server.get_url())
 
829
 
        # force transport to issue multiple requests
 
830
 
        t._max_readv_combine = 1
 
831
 
        t._max_get_ranges = 1
 
832
 
        l = list(t.readv('a', ((0, 1), (1, 1), (3, 2), (9, 1))))
 
833
 
        self.assertEqual(l[0], (0, '0'))
 
834
 
        self.assertEqual(l[1], (1, '1'))
 
835
 
        self.assertEqual(l[2], (3, '34'))
 
836
 
        self.assertEqual(l[3], (9, '9'))
 
837
 
        # The server should have issued 4 requests
 
838
 
        self.assertEqual(4, server.GET_request_nb)
 
840
 
    def test_readv_get_max_size(self):
 
841
 
        server = self.get_readonly_server()
 
842
 
        t = self._transport(server.get_url())
 
843
 
        # force transport to issue multiple requests by limiting the number of
 
844
 
        # bytes by request. Note that this apply to coalesced offsets only, a
 
845
 
        # single range will keep its size even if bigger than the limit.
 
847
 
        l = list(t.readv('a', ((0, 1), (1, 1), (2, 4), (6, 4))))
 
848
 
        self.assertEqual(l[0], (0, '0'))
 
849
 
        self.assertEqual(l[1], (1, '1'))
 
850
 
        self.assertEqual(l[2], (2, '2345'))
 
851
 
        self.assertEqual(l[3], (6, '6789'))
 
852
 
        # The server should have issued 3 requests
 
853
 
        self.assertEqual(3, server.GET_request_nb)
 
855
 
    def test_complete_readv_leave_pipe_clean(self):
 
856
 
        server = self.get_readonly_server()
 
857
 
        t = self._transport(server.get_url())
 
858
 
        # force transport to issue multiple requests
 
860
 
        l = list(t.readv('a', ((0, 1), (1, 1), (2, 4), (6, 4))))
 
861
 
        # The server should have issued 3 requests
 
862
 
        self.assertEqual(3, server.GET_request_nb)
 
863
 
        self.assertEqual('0123456789', t.get_bytes('a'))
 
864
 
        self.assertEqual(4, server.GET_request_nb)
 
866
 
    def test_incomplete_readv_leave_pipe_clean(self):
 
867
 
        server = self.get_readonly_server()
 
868
 
        t = self._transport(server.get_url())
 
869
 
        # force transport to issue multiple requests
 
871
 
        # Don't collapse readv results into a list so that we leave unread
 
872
 
        # bytes on the socket
 
873
 
        ireadv = iter(t.readv('a', ((0, 1), (1, 1), (2, 4), (6, 4))))
 
874
 
        self.assertEqual((0, '0'), ireadv.next())
 
875
 
        # The server should have issued one request so far
 
876
 
        self.assertEqual(1, server.GET_request_nb)
 
877
 
        self.assertEqual('0123456789', t.get_bytes('a'))
 
878
 
        # get_bytes issued an additional request, the readv pending ones are
 
880
 
        self.assertEqual(2, server.GET_request_nb)
 
883
 
class SingleRangeRequestHandler(http_server.TestingHTTPRequestHandler):
 
884
 
    """Always reply to range request as if they were single.
 
886
 
    Don't be explicit about it, just to annoy the clients.
 
889
 
    def get_multiple_ranges(self, file, file_size, ranges):
 
890
 
        """Answer as if it was a single range request and ignores the rest"""
 
891
 
        (start, end) = ranges[0]
 
892
 
        return self.get_single_range(file, file_size, start, end)
 
895
677
class TestSingleRangeRequestServer(TestRangeRequestServer):
 
896
678
    """Test readv against a server which accept only single range requests"""
 
898
 
    _req_handler_class = SingleRangeRequestHandler
 
901
 
class SingleOnlyRangeRequestHandler(http_server.TestingHTTPRequestHandler):
 
902
 
    """Only reply to simple range requests, errors out on multiple"""
 
904
 
    def get_multiple_ranges(self, file, file_size, ranges):
 
905
 
        """Refuses the multiple ranges request"""
 
908
 
            self.send_error(416, "Requested range not satisfiable")
 
910
 
        (start, end) = ranges[0]
 
911
 
        return self.get_single_range(file, file_size, start, end)
 
 
680
    def create_transport_readonly_server(self):
 
 
681
        return HttpServer(SingleRangeRequestHandler)
 
 
684
class TestSingleRangeRequestServer_urllib(TestSingleRangeRequestServer,
 
 
685
                                          TestCaseWithWebserver):
 
 
686
    """Tests single range requests accepting server for urllib implementation"""
 
 
688
    _transport = HttpTransport_urllib
 
 
691
class TestSingleRangeRequestServer_pycurl(TestWithTransport_pycurl,
 
 
692
                                          TestSingleRangeRequestServer,
 
 
693
                                          TestCaseWithWebserver):
 
 
694
    """Tests single range requests accepting server for pycurl implementation"""
 
914
697
class TestSingleOnlyRangeRequestServer(TestRangeRequestServer):
 
915
698
    """Test readv against a server which only accept single range requests"""
 
917
 
    _req_handler_class = SingleOnlyRangeRequestHandler
 
920
 
class NoRangeRequestHandler(http_server.TestingHTTPRequestHandler):
 
921
 
    """Ignore range requests without notice"""
 
924
 
        # Update the statistics
 
925
 
        self.server.test_case_server.GET_request_nb += 1
 
926
 
        # Just bypass the range handling done by TestingHTTPRequestHandler
 
927
 
        return SimpleHTTPServer.SimpleHTTPRequestHandler.do_GET(self)
 
 
700
    def create_transport_readonly_server(self):
 
 
701
        return HttpServer(SingleOnlyRangeRequestHandler)
 
 
704
class TestSingleOnlyRangeRequestServer_urllib(TestSingleOnlyRangeRequestServer,
 
 
705
                                              TestCaseWithWebserver):
 
 
706
    """Tests single range requests accepting server for urllib implementation"""
 
 
708
    _transport = HttpTransport_urllib
 
 
711
class TestSingleOnlyRangeRequestServer_pycurl(TestWithTransport_pycurl,
 
 
712
                                              TestSingleOnlyRangeRequestServer,
 
 
713
                                              TestCaseWithWebserver):
 
 
714
    """Tests single range requests accepting server for pycurl implementation"""
 
930
717
class TestNoRangeRequestServer(TestRangeRequestServer):
 
931
718
    """Test readv against a server which do not accept range requests"""
 
933
 
    _req_handler_class = NoRangeRequestHandler
 
936
 
class MultipleRangeWithoutContentLengthRequestHandler(
 
937
 
    http_server.TestingHTTPRequestHandler):
 
938
 
    """Reply to multiple range requests without content length header."""
 
940
 
    def get_multiple_ranges(self, file, file_size, ranges):
 
941
 
        self.send_response(206)
 
942
 
        self.send_header('Accept-Ranges', 'bytes')
 
943
 
        boundary = "%d" % random.randint(0,0x7FFFFFFF)
 
944
 
        self.send_header("Content-Type",
 
945
 
                         "multipart/byteranges; boundary=%s" % boundary)
 
947
 
        for (start, end) in ranges:
 
948
 
            self.wfile.write("--%s\r\n" % boundary)
 
949
 
            self.send_header("Content-type", 'application/octet-stream')
 
950
 
            self.send_header("Content-Range", "bytes %d-%d/%d" % (start,
 
954
 
            self.send_range_content(file, start, end - start + 1)
 
956
 
        self.wfile.write("--%s\r\n" % boundary)
 
959
 
class TestMultipleRangeWithoutContentLengthServer(TestRangeRequestServer):
 
961
 
    _req_handler_class = MultipleRangeWithoutContentLengthRequestHandler
 
964
 
class TruncatedMultipleRangeRequestHandler(
 
965
 
    http_server.TestingHTTPRequestHandler):
 
966
 
    """Reply to multiple range requests truncating the last ones.
 
968
 
    This server generates responses whose Content-Length describes all the
 
969
 
    ranges, but fail to include the last ones leading to client short reads.
 
970
 
    This has been observed randomly with lighttpd (bug #179368).
 
973
 
    _truncated_ranges = 2
 
975
 
    def get_multiple_ranges(self, file, file_size, ranges):
 
976
 
        self.send_response(206)
 
977
 
        self.send_header('Accept-Ranges', 'bytes')
 
979
 
        self.send_header('Content-Type',
 
980
 
                         'multipart/byteranges; boundary=%s' % boundary)
 
981
 
        boundary_line = '--%s\r\n' % boundary
 
982
 
        # Calculate the Content-Length
 
984
 
        for (start, end) in ranges:
 
985
 
            content_length += len(boundary_line)
 
986
 
            content_length += self._header_line_length(
 
987
 
                'Content-type', 'application/octet-stream')
 
988
 
            content_length += self._header_line_length(
 
989
 
                'Content-Range', 'bytes %d-%d/%d' % (start, end, file_size))
 
990
 
            content_length += len('\r\n') # end headers
 
991
 
            content_length += end - start # + 1
 
992
 
        content_length += len(boundary_line)
 
993
 
        self.send_header('Content-length', content_length)
 
996
 
        # Send the multipart body
 
998
 
        for (start, end) in ranges:
 
999
 
            self.wfile.write(boundary_line)
 
1000
 
            self.send_header('Content-type', 'application/octet-stream')
 
1001
 
            self.send_header('Content-Range', 'bytes %d-%d/%d'
 
1002
 
                             % (start, end, file_size))
 
1004
 
            if cur + self._truncated_ranges >= len(ranges):
 
1005
 
                # Abruptly ends the response and close the connection
 
1006
 
                self.close_connection = 1
 
1008
 
            self.send_range_content(file, start, end - start + 1)
 
1011
 
        self.wfile.write(boundary_line)
 
1014
 
class TestTruncatedMultipleRangeServer(TestSpecificRequestHandler):
 
1016
 
    _req_handler_class = TruncatedMultipleRangeRequestHandler
 
1019
 
        super(TestTruncatedMultipleRangeServer, self).setUp()
 
1020
 
        self.build_tree_contents([('a', '0123456789')],)
 
1022
 
    def test_readv_with_short_reads(self):
 
1023
 
        server = self.get_readonly_server()
 
1024
 
        t = self._transport(server.get_url())
 
1025
 
        # Force separate ranges for each offset
 
1026
 
        t._bytes_to_read_before_seek = 0
 
1027
 
        ireadv = iter(t.readv('a', ((0, 1), (2, 1), (4, 2), (9, 1))))
 
1028
 
        self.assertEqual((0, '0'), ireadv.next())
 
1029
 
        self.assertEqual((2, '2'), ireadv.next())
 
1030
 
        if not self._testing_pycurl():
 
1031
 
            # Only one request have been issued so far (except for pycurl that
 
1032
 
            # try to read the whole response at once)
 
1033
 
            self.assertEqual(1, server.GET_request_nb)
 
1034
 
        self.assertEqual((4, '45'), ireadv.next())
 
1035
 
        self.assertEqual((9, '9'), ireadv.next())
 
1036
 
        # Both implementations issue 3 requests but:
 
1037
 
        # - urllib does two multiple (4 ranges, then 2 ranges) then a single
 
1039
 
        # - pycurl does two multiple (4 ranges, 4 ranges) then a single range
 
1040
 
        self.assertEqual(3, server.GET_request_nb)
 
1041
 
        # Finally the client have tried a single range request and stays in
 
1043
 
        self.assertEqual('single', t._range_hint)
 
1045
 
class LimitedRangeRequestHandler(http_server.TestingHTTPRequestHandler):
 
1046
 
    """Errors out when range specifiers exceed the limit"""
 
1048
 
    def get_multiple_ranges(self, file, file_size, ranges):
 
1049
 
        """Refuses the multiple ranges request"""
 
1050
 
        tcs = self.server.test_case_server
 
1051
 
        if tcs.range_limit is not None and len(ranges) > tcs.range_limit:
 
1053
 
            # Emulate apache behavior
 
1054
 
            self.send_error(400, "Bad Request")
 
1056
 
        return http_server.TestingHTTPRequestHandler.get_multiple_ranges(
 
1057
 
            self, file, file_size, ranges)
 
1060
 
class LimitedRangeHTTPServer(http_server.HttpServer):
 
1061
 
    """An HttpServer erroring out on requests with too much range specifiers"""
 
1063
 
    def __init__(self, request_handler=LimitedRangeRequestHandler,
 
1064
 
                 protocol_version=None,
 
1066
 
        http_server.HttpServer.__init__(self, request_handler,
 
1067
 
                                        protocol_version=protocol_version)
 
1068
 
        self.range_limit = range_limit
 
1071
 
class TestLimitedRangeRequestServer(http_utils.TestCaseWithWebserver):
 
1072
 
    """Tests readv requests against a server erroring out on too much ranges."""
 
1074
 
    # Requests with more range specifiers will error out
 
1077
720
    def create_transport_readonly_server(self):
 
1078
 
        return LimitedRangeHTTPServer(range_limit=self.range_limit,
 
1079
 
                                      protocol_version=self._protocol_version)
 
1081
 
    def get_transport(self):
 
1082
 
        return self._transport(self.get_readonly_server().get_url())
 
1085
 
        http_utils.TestCaseWithWebserver.setUp(self)
 
1086
 
        # We need to manipulate ranges that correspond to real chunks in the
 
1087
 
        # response, so we build a content appropriately.
 
1088
 
        filler = ''.join(['abcdefghij' for x in range(102)])
 
1089
 
        content = ''.join(['%04d' % v + filler for v in range(16)])
 
1090
 
        self.build_tree_contents([('a', content)],)
 
1092
 
    def test_few_ranges(self):
 
1093
 
        t = self.get_transport()
 
1094
 
        l = list(t.readv('a', ((0, 4), (1024, 4), )))
 
1095
 
        self.assertEqual(l[0], (0, '0000'))
 
1096
 
        self.assertEqual(l[1], (1024, '0001'))
 
1097
 
        self.assertEqual(1, self.get_readonly_server().GET_request_nb)
 
1099
 
    def test_more_ranges(self):
 
1100
 
        t = self.get_transport()
 
1101
 
        l = list(t.readv('a', ((0, 4), (1024, 4), (4096, 4), (8192, 4))))
 
1102
 
        self.assertEqual(l[0], (0, '0000'))
 
1103
 
        self.assertEqual(l[1], (1024, '0001'))
 
1104
 
        self.assertEqual(l[2], (4096, '0004'))
 
1105
 
        self.assertEqual(l[3], (8192, '0008'))
 
1106
 
        # The server will refuse to serve the first request (too much ranges),
 
1107
 
        # a second request will succeed.
 
1108
 
        self.assertEqual(2, self.get_readonly_server().GET_request_nb)
 
1111
 
class TestHttpProxyWhiteBox(tests.TestCase):
 
 
721
        return HttpServer(NoRangeRequestHandler)
 
 
724
class TestNoRangeRequestServer_urllib(TestNoRangeRequestServer,
 
 
725
                                      TestCaseWithWebserver):
 
 
726
    """Tests range requests refusing server for urllib implementation"""
 
 
728
    _transport = HttpTransport_urllib
 
 
731
class TestNoRangeRequestServer_pycurl(TestWithTransport_pycurl,
 
 
732
                               TestNoRangeRequestServer,
 
 
733
                               TestCaseWithWebserver):
 
 
734
    """Tests range requests refusing server for pycurl implementation"""
 
 
737
class TestHttpProxyWhiteBox(TestCase):
 
1112
738
    """Whitebox test proxy http authorization.
 
1114
740
    Only the urllib implementation is tested here.
 
1117
743
    def setUp(self):
 
1118
 
        tests.TestCase.setUp(self)
 
1119
745
        self._old_env = {}
 
1121
747
    def tearDown(self):
 
1122
748
        self._restore_env()
 
1123
 
        tests.TestCase.tearDown(self)
 
1125
750
    def _install_env(self, env):
 
1126
751
        for name, value in env.iteritems():
 
 
1252
869
                                 'NO_PROXY': self.no_proxy_host})
 
1254
871
    def test_http_proxy_without_scheme(self):
 
1255
 
        if self._testing_pycurl():
 
1256
 
            # pycurl *ignores* invalid proxy env variables. If that ever change
 
1257
 
            # in the future, this test will fail indicating that pycurl do not
 
1258
 
            # ignore anymore such variables.
 
1259
 
            self.not_proxied_in_env({'http_proxy': self.proxy_address})
 
1261
 
            self.assertRaises(errors.InvalidURL,
 
1262
 
                              self.proxied_in_env,
 
1263
 
                              {'http_proxy': self.proxy_address})
 
1266
 
class TestRanges(http_utils.TestCaseWithWebserver):
 
1267
 
    """Test the Range header in GET methods."""
 
1270
 
        http_utils.TestCaseWithWebserver.setUp(self)
 
 
872
        self.assertRaises(errors.InvalidURL,
 
 
874
                          {'http_proxy': self.proxy_address})
 
 
877
class TestProxyHttpServer_urllib(TestProxyHttpServer,
 
 
878
                                 TestCaseWithTwoWebservers):
 
 
879
    """Tests proxy server for urllib implementation"""
 
 
881
    _transport = HttpTransport_urllib
 
 
884
class TestProxyHttpServer_pycurl(TestWithTransport_pycurl,
 
 
886
                                 TestCaseWithTwoWebservers):
 
 
887
    """Tests proxy server for pycurl implementation"""
 
 
890
        TestProxyHttpServer.setUp(self)
 
 
891
        # Oh my ! pycurl does not check for the port as part of
 
 
892
        # no_proxy :-( So we just test the host part
 
 
893
        self.no_proxy_host = 'localhost'
 
 
895
    def test_HTTP_PROXY(self):
 
 
896
        # pycurl do not check HTTP_PROXY for security reasons
 
 
897
        # (for use in a CGI context that we do not care
 
 
898
        # about. Should we ?)
 
 
901
    def test_HTTP_PROXY_with_NO_PROXY(self):
 
 
904
    def test_http_proxy_without_scheme(self):
 
 
905
        # pycurl *ignores* invalid proxy env variables. If that
 
 
906
        # ever change in the future, this test will fail
 
 
907
        # indicating that pycurl do not ignore anymore such
 
 
909
        self.not_proxied_in_env({'http_proxy': self.proxy_address})
 
 
912
class TestRanges(object):
 
 
913
    """Test the Range header in GET methods..
 
 
915
    This MUST be used by daughter classes that also inherit from
 
 
916
    TestCaseWithWebserver.
 
 
918
    We can't inherit directly from TestCaseWithWebserver or the
 
 
919
    test framework will try to create an instance which cannot
 
 
920
    run, its implementation being incomplete.
 
 
924
        TestCaseWithWebserver.setUp(self)
 
1271
925
        self.build_tree_contents([('a', '0123456789')],)
 
1272
926
        server = self.get_readonly_server()
 
1273
927
        self.transport = self._transport(server.get_url())
 
1275
 
    def create_transport_readonly_server(self):
 
1276
 
        return http_server.HttpServer(protocol_version=self._protocol_version)
 
1278
 
    def _file_contents(self, relpath, ranges):
 
1279
 
        offsets = [ (start, end - start + 1) for start, end in ranges]
 
1280
 
        coalesce = self.transport._coalesce_offsets
 
1281
 
        coalesced = list(coalesce(offsets, limit=0, fudge_factor=0))
 
1282
 
        code, data = self.transport._get(relpath, coalesced)
 
1283
 
        self.assertTrue(code in (200, 206),'_get returns: %d' % code)
 
1284
 
        for start, end in ranges:
 
1286
 
            yield data.read(end - start + 1)
 
 
929
    def _file_contents(self, relpath, ranges, tail_amount=0):
 
 
930
         code, data = self.transport._get(relpath, ranges)
 
 
931
         self.assertTrue(code in (200, 206),'_get returns: %d' % code)
 
 
932
         for start, end in ranges:
 
 
934
             yield data.read(end - start + 1)
 
1288
936
    def _file_tail(self, relpath, tail_amount):
 
1289
 
        code, data = self.transport._get(relpath, [], tail_amount)
 
1290
 
        self.assertTrue(code in (200, 206),'_get returns: %d' % code)
 
1291
 
        data.seek(-tail_amount, 2)
 
1292
 
        return data.read(tail_amount)
 
 
937
         code, data = self.transport._get(relpath, [], tail_amount)
 
 
938
         self.assertTrue(code in (200, 206),'_get returns: %d' % code)
 
 
939
         data.seek(-tail_amount + 1, 2)
 
 
940
         return data.read(tail_amount)
 
1294
942
    def test_range_header(self):
 
1296
944
        map(self.assertEqual,['0', '234'],
 
1297
945
            list(self._file_contents('a', [(0,0), (2,4)])),)
 
1299
 
    def test_range_header_tail(self):
 
1300
947
        self.assertEqual('789', self._file_tail('a', 3))
 
1302
 
    def test_syntactically_invalid_range_header(self):
 
1303
 
        self.assertListRaises(errors.InvalidHttpRange,
 
1304
 
                          self._file_contents, 'a', [(4, 3)])
 
1306
 
    def test_semantically_invalid_range_header(self):
 
1307
 
        self.assertListRaises(errors.InvalidHttpRange,
 
1308
 
                          self._file_contents, 'a', [(42, 128)])
 
1311
 
class TestHTTPRedirections(http_utils.TestCaseWithRedirectedWebserver):
 
1312
 
    """Test redirection between http servers."""
 
 
948
        # Syntactically invalid range
 
 
949
        self.assertRaises(errors.InvalidRange,
 
 
950
                          self.transport._get, 'a', [(4, 3)])
 
 
951
        # Semantically invalid range
 
 
952
        self.assertRaises(errors.InvalidRange,
 
 
953
                          self.transport._get, 'a', [(42, 128)])
 
 
956
class TestRanges_urllib(TestRanges, TestCaseWithWebserver):
 
 
957
    """Test the Range header in GET methods for urllib implementation"""
 
 
959
    _transport = HttpTransport_urllib
 
 
962
class TestRanges_pycurl(TestWithTransport_pycurl,
 
 
964
                        TestCaseWithWebserver):
 
 
965
    """Test the Range header in GET methods for pycurl implementation"""
 
 
968
class TestHTTPRedirections(object):
 
 
969
    """Test redirection between http servers.
 
 
971
    This MUST be used by daughter classes that also inherit from
 
 
972
    TestCaseWithRedirectedWebserver.
 
 
974
    We can't inherit directly from TestCaseWithTwoWebservers or the
 
 
975
    test framework will try to create an instance which cannot
 
 
976
    run, its implementation being incomplete. 
 
1314
979
    def create_transport_secondary_server(self):
 
1315
980
        """Create the secondary server redirecting to the primary server"""
 
1316
981
        new = self.get_readonly_server()
 
1318
 
        redirecting = http_utils.HTTPServerRedirecting(
 
1319
 
            protocol_version=self._protocol_version)
 
 
983
        redirecting = HTTPServerRedirecting()
 
1320
984
        redirecting.redirect_to(new.host, new.port)
 
1321
985
        return redirecting
 
 
1602
1253
        # Only one 'Authentication Required' error should occur
 
1603
1254
        self.assertEqual(1, self.server.auth_required_errors)
 
1605
 
    def _check_password_prompt(self, scheme, user, actual_prompt):
 
1606
 
        expected_prompt = (self._password_prompt_prefix
 
1607
 
                           + ("%s %s@%s:%d, Realm: '%s' password: "
 
1609
 
                                 user, self.server.host, self.server.port,
 
1610
 
                                 self.server.auth_realm)))
 
1611
 
        self.assertEqual(expected_prompt, actual_prompt)
 
1613
 
    def _expected_username_prompt(self, scheme):
 
1614
 
        return (self._username_prompt_prefix
 
1615
 
                + "%s %s:%d, Realm: '%s' username: " % (scheme.upper(),
 
1616
 
                                 self.server.host, self.server.port,
 
1617
 
                                 self.server.auth_realm))
 
1619
 
    def test_no_prompt_for_password_when_using_auth_config(self):
 
1620
 
        if self._testing_pycurl():
 
1621
 
            raise tests.TestNotApplicable(
 
1622
 
                'pycurl does not support authentication.conf'
 
1623
 
                ' since it cannot prompt')
 
1627
 
        stdin_content = 'bar\n'  # Not the right password
 
1628
 
        self.server.add_user(user, password)
 
1629
 
        t = self.get_user_transport(user, None)
 
1630
 
        ui.ui_factory = tests.TestUIFactory(stdin=stdin_content,
 
1631
 
                                            stderr=tests.StringIOWrapper())
 
1632
 
        # Create a minimal config file with the right password
 
1633
 
        conf = config.AuthenticationConfig()
 
1634
 
        conf._get_config().update(
 
1635
 
            {'httptest': {'scheme': 'http', 'port': self.server.port,
 
1636
 
                          'user': user, 'password': password}})
 
1638
 
        # Issue a request to the server to connect
 
1639
 
        self.assertEqual('contents of a\n',t.get('a').read())
 
1640
 
        # stdin should have  been left untouched
 
1641
 
        self.assertEqual(stdin_content, ui.ui_factory.stdin.readline())
 
1642
 
        # Only one 'Authentication Required' error should occur
 
1643
 
        self.assertEqual(1, self.server.auth_required_errors)
 
1645
 
    def test_user_from_auth_conf(self):
 
1646
 
        if self._testing_pycurl():
 
1647
 
            raise tests.TestNotApplicable(
 
1648
 
                'pycurl does not support authentication.conf')
 
1651
 
        self.server.add_user(user, password)
 
1652
 
        # Create a minimal config file with the right password
 
1653
 
        conf = config.AuthenticationConfig()
 
1654
 
        conf._get_config().update(
 
1655
 
            {'httptest': {'scheme': 'http', 'port': self.server.port,
 
1656
 
                          'user': user, 'password': password}})
 
1658
 
        t = self.get_user_transport(None, None)
 
1659
 
        # Issue a request to the server to connect
 
1660
 
        self.assertEqual('contents of a\n', t.get('a').read())
 
1661
 
        # Only one 'Authentication Required' error should occur
 
1662
 
        self.assertEqual(1, self.server.auth_required_errors)
 
1664
 
    def test_changing_nonce(self):
 
1665
 
        if self._auth_server not in (http_utils.HTTPDigestAuthServer,
 
1666
 
                                     http_utils.ProxyDigestAuthServer):
 
1667
 
            raise tests.TestNotApplicable('HTTP/proxy auth digest only test')
 
1668
 
        if self._testing_pycurl():
 
1669
 
            raise tests.KnownFailure(
 
1670
 
                'pycurl does not handle a nonce change')
 
1671
 
        self.server.add_user('joe', 'foo')
 
1672
 
        t = self.get_user_transport('joe', 'foo')
 
1673
 
        self.assertEqual('contents of a\n', t.get('a').read())
 
1674
 
        self.assertEqual('contents of b\n', t.get('b').read())
 
1675
 
        # Only one 'Authentication Required' error should have
 
1677
 
        self.assertEqual(1, self.server.auth_required_errors)
 
1678
 
        # The server invalidates the current nonce
 
1679
 
        self.server.auth_nonce = self.server.auth_nonce + '. No, now!'
 
1680
 
        self.assertEqual('contents of a\n', t.get('a').read())
 
1681
 
        # Two 'Authentication Required' errors should occur (the
 
1682
 
        # initial 'who are you' and a second 'who are you' with the new nonce)
 
1683
 
        self.assertEqual(2, self.server.auth_required_errors)
 
 
1257
class TestHTTPAuth(TestAuth):
 
 
1258
    """Test HTTP authentication schemes.
 
 
1260
    Daughter classes MUST inherit from TestCaseWithWebserver too.
 
 
1263
    _auth_header = 'Authorization'
 
 
1266
        TestCaseWithWebserver.setUp(self)
 
 
1267
        self.server = self.get_readonly_server()
 
 
1268
        TestAuth.setUp(self)
 
 
1270
    def get_user_transport(self, user=None, password=None):
 
 
1271
        return self._transport(self.get_user_url(user, password))
 
1687
1274
class TestProxyAuth(TestAuth):
 
1688
 
    """Test proxy authentication schemes."""
 
 
1275
    """Test proxy authentication schemes.
 
 
1277
    Daughter classes MUST also inherit from TestCaseWithWebserver.
 
1690
1279
    _auth_header = 'Proxy-authorization'
 
1691
 
    _password_prompt_prefix = 'Proxy '
 
1692
 
    _username_prompt_prefix = 'Proxy '
 
1694
1281
    def setUp(self):
 
1695
 
        super(TestProxyAuth, self).setUp()
 
 
1282
        TestCaseWithWebserver.setUp(self)
 
 
1283
        self.server = self.get_readonly_server()
 
1696
1284
        self._old_env = {}
 
1697
1285
        self.addCleanup(self._restore_env)
 
 
1286
        TestAuth.setUp(self)
 
1698
1287
        # Override the contents to avoid false positives
 
1699
1288
        self.build_tree_contents([('a', 'not proxied contents of a\n'),
 
1700
1289
                                  ('b', 'not proxied contents of b\n'),
 
 
1714
1303
        for name, value in self._old_env.iteritems():
 
1715
1304
            osutils.set_or_unset_env(name, value)
 
1717
 
    def test_empty_pass(self):
 
1718
 
        if self._testing_pycurl():
 
1720
 
            if pycurl.version_info()[1] < '7.16.0':
 
1721
 
                raise tests.KnownFailure(
 
1722
 
                    'pycurl < 7.16.0 does not handle empty proxy passwords')
 
1723
 
        super(TestProxyAuth, self).test_empty_pass()
 
1726
 
class SampleSocket(object):
 
1727
 
    """A socket-like object for use in testing the HTTP request handler."""
 
1729
 
    def __init__(self, socket_read_content):
 
1730
 
        """Constructs a sample socket.
 
1732
 
        :param socket_read_content: a byte sequence
 
1734
 
        # Use plain python StringIO so we can monkey-patch the close method to
 
1735
 
        # not discard the contents.
 
1736
 
        from StringIO import StringIO
 
1737
 
        self.readfile = StringIO(socket_read_content)
 
1738
 
        self.writefile = StringIO()
 
1739
 
        self.writefile.close = lambda: None
 
1741
 
    def makefile(self, mode='r', bufsize=None):
 
1743
 
            return self.readfile
 
1745
 
            return self.writefile
 
1748
 
class SmartHTTPTunnellingTest(tests.TestCaseWithTransport):
 
1751
 
        super(SmartHTTPTunnellingTest, self).setUp()
 
1752
 
        # We use the VFS layer as part of HTTP tunnelling tests.
 
1753
 
        self._captureVar('BZR_NO_SMART_VFS', None)
 
1754
 
        self.transport_readonly_server = http_utils.HTTPServerWithSmarts
 
1756
 
    def create_transport_readonly_server(self):
 
1757
 
        return http_utils.HTTPServerWithSmarts(
 
1758
 
            protocol_version=self._protocol_version)
 
1760
 
    def test_open_bzrdir(self):
 
1761
 
        branch = self.make_branch('relpath')
 
1762
 
        http_server = self.get_readonly_server()
 
1763
 
        url = http_server.get_url() + 'relpath'
 
1764
 
        bd = bzrdir.BzrDir.open(url)
 
1765
 
        self.assertIsInstance(bd, _mod_remote.RemoteBzrDir)
 
1767
 
    def test_bulk_data(self):
 
1768
 
        # We should be able to send and receive bulk data in a single message.
 
1769
 
        # The 'readv' command in the smart protocol both sends and receives
 
1770
 
        # bulk data, so we use that.
 
1771
 
        self.build_tree(['data-file'])
 
1772
 
        http_server = self.get_readonly_server()
 
1773
 
        http_transport = self._transport(http_server.get_url())
 
1774
 
        medium = http_transport.get_smart_medium()
 
1775
 
        # Since we provide the medium, the url below will be mostly ignored
 
1776
 
        # during the test, as long as the path is '/'.
 
1777
 
        remote_transport = remote.RemoteTransport('bzr://fake_host/',
 
1780
 
            [(0, "c")], list(remote_transport.readv("data-file", [(0,1)])))
 
1782
 
    def test_http_send_smart_request(self):
 
1784
 
        post_body = 'hello\n'
 
1785
 
        expected_reply_body = 'ok\x012\n'
 
1787
 
        http_server = self.get_readonly_server()
 
1788
 
        http_transport = self._transport(http_server.get_url())
 
1789
 
        medium = http_transport.get_smart_medium()
 
1790
 
        response = medium.send_http_smart_request(post_body)
 
1791
 
        reply_body = response.read()
 
1792
 
        self.assertEqual(expected_reply_body, reply_body)
 
1794
 
    def test_smart_http_server_post_request_handler(self):
 
1795
 
        httpd = self.get_readonly_server()._get_httpd()
 
1797
 
        socket = SampleSocket(
 
1798
 
            'POST /.bzr/smart %s \r\n' % self._protocol_version
 
1799
 
            # HTTP/1.1 posts must have a Content-Length (but it doesn't hurt
 
1801
 
            + 'Content-Length: 6\r\n'
 
1804
 
        # Beware: the ('localhost', 80) below is the
 
1805
 
        # client_address parameter, but we don't have one because
 
1806
 
        # we have defined a socket which is not bound to an
 
1807
 
        # address. The test framework never uses this client
 
1808
 
        # address, so far...
 
1809
 
        request_handler = http_utils.SmartRequestHandler(socket,
 
1812
 
        response = socket.writefile.getvalue()
 
1813
 
        self.assertStartsWith(response, '%s 200 ' % self._protocol_version)
 
1814
 
        # This includes the end of the HTTP headers, and all the body.
 
1815
 
        expected_end_of_response = '\r\n\r\nok\x012\n'
 
1816
 
        self.assertEndsWith(response, expected_end_of_response)
 
1819
 
class ForbiddenRequestHandler(http_server.TestingHTTPRequestHandler):
 
1820
 
    """No smart server here request handler."""
 
1823
 
        self.send_error(403, "Forbidden")
 
1826
 
class SmartClientAgainstNotSmartServer(TestSpecificRequestHandler):
 
1827
 
    """Test smart client behaviour against an http server without smarts."""
 
1829
 
    _req_handler_class = ForbiddenRequestHandler
 
1831
 
    def test_probe_smart_server(self):
 
1832
 
        """Test error handling against server refusing smart requests."""
 
1833
 
        server = self.get_readonly_server()
 
1834
 
        t = self._transport(server.get_url())
 
1835
 
        # No need to build a valid smart request here, the server will not even
 
1836
 
        # try to interpret it.
 
1837
 
        self.assertRaises(errors.SmartProtocolError,
 
1838
 
                          t.get_smart_medium().send_http_smart_request,
 
1841
 
class Test_redirected_to(tests.TestCase):
 
1843
 
    def test_redirected_to_subdir(self):
 
1844
 
        t = self._transport('http://www.example.com/foo')
 
1845
 
        r = t._redirected_to('http://www.example.com/foo',
 
1846
 
                             'http://www.example.com/foo/subdir')
 
1847
 
        self.assertIsInstance(r, type(t))
 
1848
 
        # Both transports share the some connection
 
1849
 
        self.assertEqual(t._get_connection(), r._get_connection())
 
1851
 
    def test_redirected_to_self_with_slash(self):
 
1852
 
        t = self._transport('http://www.example.com/foo')
 
1853
 
        r = t._redirected_to('http://www.example.com/foo',
 
1854
 
                             'http://www.example.com/foo/')
 
1855
 
        self.assertIsInstance(r, type(t))
 
1856
 
        # Both transports share the some connection (one can argue that we
 
1857
 
        # should return the exact same transport here, but that seems
 
1859
 
        self.assertEqual(t._get_connection(), r._get_connection())
 
1861
 
    def test_redirected_to_host(self):
 
1862
 
        t = self._transport('http://www.example.com/foo')
 
1863
 
        r = t._redirected_to('http://www.example.com/foo',
 
1864
 
                             'http://foo.example.com/foo/subdir')
 
1865
 
        self.assertIsInstance(r, type(t))
 
1867
 
    def test_redirected_to_same_host_sibling_protocol(self):
 
1868
 
        t = self._transport('http://www.example.com/foo')
 
1869
 
        r = t._redirected_to('http://www.example.com/foo',
 
1870
 
                             'https://www.example.com/foo')
 
1871
 
        self.assertIsInstance(r, type(t))
 
1873
 
    def test_redirected_to_same_host_different_protocol(self):
 
1874
 
        t = self._transport('http://www.example.com/foo')
 
1875
 
        r = t._redirected_to('http://www.example.com/foo',
 
1876
 
                             'ftp://www.example.com/foo')
 
1877
 
        self.assertNotEquals(type(r), type(t))
 
1879
 
    def test_redirected_to_different_host_same_user(self):
 
1880
 
        t = self._transport('http://joe@www.example.com/foo')
 
1881
 
        r = t._redirected_to('http://www.example.com/foo',
 
1882
 
                             'https://foo.example.com/foo')
 
1883
 
        self.assertIsInstance(r, type(t))
 
1884
 
        self.assertEqual(t._user, r._user)
 
1887
 
class PredefinedRequestHandler(http_server.TestingHTTPRequestHandler):
 
1888
 
    """Request handler for a unique and pre-defined request.
 
1890
 
    The only thing we care about here is how many bytes travel on the wire. But
 
1891
 
    since we want to measure it for a real http client, we have to send it
 
1894
 
    We expect to receive a *single* request nothing more (and we won't even
 
1895
 
    check what request it is, we just measure the bytes read until an empty
 
1899
 
    def handle_one_request(self):
 
1900
 
        tcs = self.server.test_case_server
 
1901
 
        requestline = self.rfile.readline()
 
1902
 
        headers = self.MessageClass(self.rfile, 0)
 
1903
 
        # We just read: the request, the headers, an empty line indicating the
 
1904
 
        # end of the headers.
 
1905
 
        bytes_read = len(requestline)
 
1906
 
        for line in headers.headers:
 
1907
 
            bytes_read += len(line)
 
1908
 
        bytes_read += len('\r\n')
 
1909
 
        if requestline.startswith('POST'):
 
1910
 
            # The body should be a single line (or we don't know where it ends
 
1911
 
            # and we don't want to issue a blocking read)
 
1912
 
            body = self.rfile.readline()
 
1913
 
            bytes_read += len(body)
 
1914
 
        tcs.bytes_read = bytes_read
 
1916
 
        # We set the bytes written *before* issuing the write, the client is
 
1917
 
        # supposed to consume every produced byte *before* checking that value.
 
1919
 
        # Doing the oppposite may lead to test failure: we may be interrupted
 
1920
 
        # after the write but before updating the value. The client can then
 
1921
 
        # continue and read the value *before* we can update it. And yes,
 
1922
 
        # this has been observed -- vila 20090129
 
1923
 
        tcs.bytes_written = len(tcs.canned_response)
 
1924
 
        self.wfile.write(tcs.canned_response)
 
1927
 
class ActivityServerMixin(object):
 
1929
 
    def __init__(self, protocol_version):
 
1930
 
        super(ActivityServerMixin, self).__init__(
 
1931
 
            request_handler=PredefinedRequestHandler,
 
1932
 
            protocol_version=protocol_version)
 
1933
 
        # Bytes read and written by the server
 
1935
 
        self.bytes_written = 0
 
1936
 
        self.canned_response = None
 
1939
 
class ActivityHTTPServer(ActivityServerMixin, http_server.HttpServer):
 
1943
 
if tests.HTTPSServerFeature.available():
 
1944
 
    from bzrlib.tests import https_server
 
1945
 
    class ActivityHTTPSServer(ActivityServerMixin, https_server.HTTPSServer):
 
1949
 
class TestActivityMixin(object):
 
1950
 
    """Test socket activity reporting.
 
1952
 
    We use a special purpose server to control the bytes sent and received and
 
1953
 
    be able to predict the activity on the client socket.
 
1957
 
        tests.TestCase.setUp(self)
 
1958
 
        self.server = self._activity_server(self._protocol_version)
 
1959
 
        self.server.start_server()
 
1960
 
        self.activities = {}
 
1961
 
        def report_activity(t, bytes, direction):
 
1962
 
            count = self.activities.get(direction, 0)
 
1964
 
            self.activities[direction] = count
 
1966
 
        # We override at class level because constructors may propagate the
 
1967
 
        # bound method and render instance overriding ineffective (an
 
1968
 
        # alternative would be to define a specific ui factory instead...)
 
1969
 
        self.orig_report_activity = self._transport._report_activity
 
1970
 
        self._transport._report_activity = report_activity
 
1973
 
        self._transport._report_activity = self.orig_report_activity
 
1974
 
        self.server.stop_server()
 
1975
 
        tests.TestCase.tearDown(self)
 
1977
 
    def get_transport(self):
 
1978
 
        return self._transport(self.server.get_url())
 
1980
 
    def assertActivitiesMatch(self):
 
1981
 
        self.assertEqual(self.server.bytes_read,
 
1982
 
                         self.activities.get('write', 0), 'written bytes')
 
1983
 
        self.assertEqual(self.server.bytes_written,
 
1984
 
                         self.activities.get('read', 0), 'read bytes')
 
1987
 
        self.server.canned_response = '''HTTP/1.1 200 OK\r
 
1988
 
Date: Tue, 11 Jul 2006 04:32:56 GMT\r
 
1989
 
Server: Apache/2.0.54 (Fedora)\r
 
1990
 
Last-Modified: Sun, 23 Apr 2006 19:35:20 GMT\r
 
1991
 
ETag: "56691-23-38e9ae00"\r
 
1992
 
Accept-Ranges: bytes\r
 
1993
 
Content-Length: 35\r
 
1995
 
Content-Type: text/plain; charset=UTF-8\r
 
1997
 
Bazaar-NG meta directory, format 1
 
1999
 
        t = self.get_transport()
 
2000
 
        self.assertEqual('Bazaar-NG meta directory, format 1\n',
 
2001
 
                         t.get('foo/bar').read())
 
2002
 
        self.assertActivitiesMatch()
 
2005
 
        self.server.canned_response = '''HTTP/1.1 200 OK\r
 
2006
 
Server: SimpleHTTP/0.6 Python/2.5.2\r
 
2007
 
Date: Thu, 29 Jan 2009 20:21:47 GMT\r
 
2008
 
Content-type: application/octet-stream\r
 
2009
 
Content-Length: 20\r
 
2010
 
Last-Modified: Thu, 29 Jan 2009 20:21:47 GMT\r
 
2013
 
        t = self.get_transport()
 
2014
 
        self.assertTrue(t.has('foo/bar'))
 
2015
 
        self.assertActivitiesMatch()
 
2017
 
    def test_readv(self):
 
2018
 
        self.server.canned_response = '''HTTP/1.1 206 Partial Content\r
 
2019
 
Date: Tue, 11 Jul 2006 04:49:48 GMT\r
 
2020
 
Server: Apache/2.0.54 (Fedora)\r
 
2021
 
Last-Modified: Thu, 06 Jul 2006 20:22:05 GMT\r
 
2022
 
ETag: "238a3c-16ec2-805c5540"\r
 
2023
 
Accept-Ranges: bytes\r
 
2024
 
Content-Length: 1534\r
 
2026
 
Content-Type: multipart/byteranges; boundary=418470f848b63279b\r
 
2029
 
--418470f848b63279b\r
 
2030
 
Content-type: text/plain; charset=UTF-8\r
 
2031
 
Content-range: bytes 0-254/93890\r
 
2033
 
mbp@sourcefrog.net-20050309040815-13242001617e4a06
 
2034
 
mbp@sourcefrog.net-20050309040929-eee0eb3e6d1e7627
 
2035
 
mbp@sourcefrog.net-20050309040957-6cad07f466bb0bb8
 
2036
 
mbp@sourcefrog.net-20050309041501-c840e09071de3b67
 
2037
 
mbp@sourcefrog.net-20050309044615-c24a3250be83220a
 
2039
 
--418470f848b63279b\r
 
2040
 
Content-type: text/plain; charset=UTF-8\r
 
2041
 
Content-range: bytes 1000-2049/93890\r
 
2044
 
mbp@sourcefrog.net-20050311063625-07858525021f270b
 
2045
 
mbp@sourcefrog.net-20050311231934-aa3776aff5200bb9
 
2046
 
mbp@sourcefrog.net-20050311231953-73aeb3a131c3699a
 
2047
 
mbp@sourcefrog.net-20050311232353-f5e33da490872c6a
 
2048
 
mbp@sourcefrog.net-20050312071639-0a8f59a34a024ff0
 
2049
 
mbp@sourcefrog.net-20050312073432-b2c16a55e0d6e9fb
 
2050
 
mbp@sourcefrog.net-20050312073831-a47c3335ece1920f
 
2051
 
mbp@sourcefrog.net-20050312085412-13373aa129ccbad3
 
2052
 
mbp@sourcefrog.net-20050313052251-2bf004cb96b39933
 
2053
 
mbp@sourcefrog.net-20050313052856-3edd84094687cb11
 
2054
 
mbp@sourcefrog.net-20050313053233-e30a4f28aef48f9d
 
2055
 
mbp@sourcefrog.net-20050313053853-7c64085594ff3072
 
2056
 
mbp@sourcefrog.net-20050313054757-a86c3f5871069e22
 
2057
 
mbp@sourcefrog.net-20050313061422-418f1f73b94879b9
 
2058
 
mbp@sourcefrog.net-20050313120651-497bd231b19df600
 
2059
 
mbp@sourcefrog.net-20050314024931-eae0170ef25a5d1a
 
2060
 
mbp@sourcefrog.net-20050314025438-d52099f915fe65fc
 
2061
 
mbp@sourcefrog.net-20050314025539-637a636692c055cf
 
2062
 
mbp@sourcefrog.net-20050314025737-55eb441f430ab4ba
 
2063
 
mbp@sourcefrog.net-20050314025901-d74aa93bb7ee8f62
 
2065
 
--418470f848b63279b--\r
 
2067
 
        t = self.get_transport()
 
2068
 
        # Remember that the request is ignored and that the ranges below
 
2069
 
        # doesn't have to match the canned response.
 
2070
 
        l = list(t.readv('/foo/bar', ((0, 255), (1000, 1050))))
 
2071
 
        self.assertEqual(2, len(l))
 
2072
 
        self.assertActivitiesMatch()
 
2074
 
    def test_post(self):
 
2075
 
        self.server.canned_response = '''HTTP/1.1 200 OK\r
 
2076
 
Date: Tue, 11 Jul 2006 04:32:56 GMT\r
 
2077
 
Server: Apache/2.0.54 (Fedora)\r
 
2078
 
Last-Modified: Sun, 23 Apr 2006 19:35:20 GMT\r
 
2079
 
ETag: "56691-23-38e9ae00"\r
 
2080
 
Accept-Ranges: bytes\r
 
2081
 
Content-Length: 35\r
 
2083
 
Content-Type: text/plain; charset=UTF-8\r
 
2085
 
lalala whatever as long as itsssss
 
2087
 
        t = self.get_transport()
 
2088
 
        # We must send a single line of body bytes, see
 
2089
 
        # PredefinedRequestHandler.handle_one_request
 
2090
 
        code, f = t._post('abc def end-of-body\n')
 
2091
 
        self.assertEqual('lalala whatever as long as itsssss\n', f.read())
 
2092
 
        self.assertActivitiesMatch()
 
2095
 
class TestActivity(tests.TestCase, TestActivityMixin):
 
2098
 
        tests.TestCase.setUp(self)
 
2099
 
        self.server = self._activity_server(self._protocol_version)
 
2100
 
        self.server.start_server()
 
2101
 
        self.activities = {}
 
2102
 
        def report_activity(t, bytes, direction):
 
2103
 
            count = self.activities.get(direction, 0)
 
2105
 
            self.activities[direction] = count
 
2107
 
        # We override at class level because constructors may propagate the
 
2108
 
        # bound method and render instance overriding ineffective (an
 
2109
 
        # alternative would be to define a specific ui factory instead...)
 
2110
 
        self.orig_report_activity = self._transport._report_activity
 
2111
 
        self._transport._report_activity = report_activity
 
2114
 
        self._transport._report_activity = self.orig_report_activity
 
2115
 
        self.server.stop_server()
 
2116
 
        tests.TestCase.tearDown(self)
 
2119
 
class TestNoReportActivity(tests.TestCase, TestActivityMixin):
 
2122
 
        tests.TestCase.setUp(self)
 
2123
 
        # Unlike TestActivity, we are really testing ReportingFileSocket and
 
2124
 
        # ReportingSocket, so we don't need all the parametrization. Since
 
2125
 
        # ReportingFileSocket and ReportingSocket are wrappers, it's easier to
 
2126
 
        # test them through their use by the transport than directly (that's a
 
2127
 
        # bit less clean but far more simpler and effective).
 
2128
 
        self.server = ActivityHTTPServer('HTTP/1.1')
 
2129
 
        self._transport=_urllib.HttpTransport_urllib
 
2131
 
        self.server.start_server()
 
2133
 
        # We override at class level because constructors may propagate the
 
2134
 
        # bound method and render instance overriding ineffective (an
 
2135
 
        # alternative would be to define a specific ui factory instead...)
 
2136
 
        self.orig_report_activity = self._transport._report_activity
 
2137
 
        self._transport._report_activity = None
 
2140
 
        self._transport._report_activity = self.orig_report_activity
 
2141
 
        self.server.stop_server()
 
2142
 
        tests.TestCase.tearDown(self)
 
2144
 
    def assertActivitiesMatch(self):
 
2145
 
        # Nothing to check here
 
2149
 
class TestAuthOnRedirected(http_utils.TestCaseWithRedirectedWebserver):
 
2150
 
    """Test authentication on the redirected http server."""
 
2152
 
    _auth_header = 'Authorization'
 
2153
 
    _password_prompt_prefix = ''
 
2154
 
    _username_prompt_prefix = ''
 
2155
 
    _auth_server = http_utils.HTTPBasicAuthServer
 
2156
 
    _transport = _urllib.HttpTransport_urllib
 
2158
 
    def create_transport_readonly_server(self):
 
2159
 
        return self._auth_server()
 
2161
 
    def create_transport_secondary_server(self):
 
2162
 
        """Create the secondary server redirecting to the primary server"""
 
2163
 
        new = self.get_readonly_server()
 
2165
 
        redirecting = http_utils.HTTPServerRedirecting()
 
2166
 
        redirecting.redirect_to(new.host, new.port)
 
2170
 
        super(TestAuthOnRedirected, self).setUp()
 
2171
 
        self.build_tree_contents([('a','a'),
 
2173
 
                                  ('1/a', 'redirected once'),
 
2175
 
        new_prefix = 'http://%s:%s' % (self.new_server.host,
 
2176
 
                                       self.new_server.port)
 
2177
 
        self.old_server.redirections = [
 
2178
 
            ('(.*)', r'%s/1\1' % (new_prefix), 301),]
 
2179
 
        self.old_transport = self._transport(self.old_server.get_url())
 
2180
 
        self.new_server.add_user('joe', 'foo')
 
2182
 
    def get_a(self, transport):
 
2183
 
        return transport.get('a')
 
2185
 
    def test_auth_on_redirected_via_do_catching_redirections(self):
 
2186
 
        self.redirections = 0
 
2188
 
        def redirected(transport, exception, redirection_notice):
 
2189
 
            self.redirections += 1
 
2190
 
            dir, file = urlutils.split(exception.target)
 
2191
 
            return self._transport(dir)
 
2193
 
        stdout = tests.StringIOWrapper()
 
2194
 
        stderr = tests.StringIOWrapper()
 
2195
 
        ui.ui_factory = tests.TestUIFactory(stdin='joe\nfoo\n',
 
2196
 
                                            stdout=stdout, stderr=stderr)
 
2197
 
        self.assertEqual('redirected once',
 
2198
 
                         transport.do_catching_redirections(
 
2199
 
                self.get_a, self.old_transport, redirected).read())
 
2200
 
        self.assertEqual(1, self.redirections)
 
2201
 
        # stdin should be empty
 
2202
 
        self.assertEqual('', ui.ui_factory.stdin.readline())
 
2203
 
        # stdout should be empty, stderr will contains the prompts
 
2204
 
        self.assertEqual('', stdout.getvalue())
 
2206
 
    def test_auth_on_redirected_via_following_redirections(self):
 
2207
 
        self.new_server.add_user('joe', 'foo')
 
2208
 
        stdout = tests.StringIOWrapper()
 
2209
 
        stderr = tests.StringIOWrapper()
 
2210
 
        ui.ui_factory = tests.TestUIFactory(stdin='joe\nfoo\n',
 
2211
 
                                            stdout=stdout, stderr=stderr)
 
2212
 
        t = self.old_transport
 
2213
 
        req = RedirectedRequest('GET', t.abspath('a'))
 
2214
 
        new_prefix = 'http://%s:%s' % (self.new_server.host,
 
2215
 
                                       self.new_server.port)
 
2216
 
        self.old_server.redirections = [
 
2217
 
            ('(.*)', r'%s/1\1' % (new_prefix), 301),]
 
2218
 
        self.assertEqual('redirected once',t._perform(req).read())
 
2219
 
        # stdin should be empty
 
2220
 
        self.assertEqual('', ui.ui_factory.stdin.readline())
 
2221
 
        # stdout should be empty, stderr will contains the prompts
 
2222
 
        self.assertEqual('', stdout.getvalue())
 
 
1307
class TestHTTPBasicAuth(TestHTTPAuth, TestCaseWithWebserver):
 
 
1308
    """Test http basic authentication scheme"""
 
 
1310
    _transport = HttpTransport_urllib
 
 
1312
    def create_transport_readonly_server(self):
 
 
1313
        return HTTPBasicAuthServer()
 
 
1316
class TestHTTPProxyBasicAuth(TestProxyAuth, TestCaseWithWebserver):
 
 
1317
    """Test proxy basic authentication scheme"""
 
 
1319
    _transport = HttpTransport_urllib
 
 
1321
    def create_transport_readonly_server(self):
 
 
1322
        return ProxyBasicAuthServer()
 
 
1325
class TestDigestAuth(object):
 
 
1326
    """Digest Authentication specific tests"""
 
 
1328
    def test_changing_nonce(self):
 
 
1329
        self.server.add_user('joe', 'foo')
 
 
1330
        t = self.get_user_transport('joe', 'foo')
 
 
1331
        self.assertEqual('contents of a\n', t.get('a').read())
 
 
1332
        self.assertEqual('contents of b\n', t.get('b').read())
 
 
1333
        # Only one 'Authentication Required' error should have
 
 
1335
        self.assertEqual(1, self.server.auth_required_errors)
 
 
1336
        # The server invalidates the current nonce
 
 
1337
        self.server.auth_nonce = self.server.auth_nonce + '. No, now!'
 
 
1338
        self.assertEqual('contents of a\n', t.get('a').read())
 
 
1339
        # Two 'Authentication Required' errors should occur (the
 
 
1340
        # initial 'who are you' and a second 'who are you' with the new nonce)
 
 
1341
        self.assertEqual(2, self.server.auth_required_errors)
 
 
1344
class TestHTTPDigestAuth(TestHTTPAuth, TestDigestAuth, TestCaseWithWebserver):
 
 
1345
    """Test http digest authentication scheme"""
 
 
1347
    _transport = HttpTransport_urllib
 
 
1349
    def create_transport_readonly_server(self):
 
 
1350
        return HTTPDigestAuthServer()
 
 
1353
class TestHTTPProxyDigestAuth(TestProxyAuth, TestDigestAuth,
 
 
1354
                              TestCaseWithWebserver):
 
 
1355
    """Test proxy digest authentication scheme"""
 
 
1357
    _transport = HttpTransport_urllib
 
 
1359
    def create_transport_readonly_server(self):
 
 
1360
        return ProxyDigestAuthServer()