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
 
# TODO: What about renaming to bzrlib.tests.transport.http ?
 
26
 
from cStringIO import StringIO
 
30
 
import SimpleHTTPServer
 
41
 
    remote as _mod_remote,
 
47
 
from bzrlib.symbol_versioning import (
 
50
 
from bzrlib.tests import (
 
55
 
from bzrlib.transport import (
 
59
 
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)
 
190
 
class FakeManager(object):
 
 
23
from bzrlib.errors import DependencyNotPresent
 
 
24
from bzrlib.tests import TestCase, TestSkipped
 
 
25
from bzrlib.transport import Transport
 
 
26
from bzrlib.transport.http import extract_auth
 
 
27
from bzrlib.transport.http._urllib import HttpTransport_urllib
 
 
28
from bzrlib.tests.HTTPTestUtil import TestCaseWithWebserver
 
 
30
class FakeManager (object):
 
192
31
    def __init__(self):
 
193
32
        self.credentials = []
 
195
34
    def add_password(self, realm, host, username, password):
 
196
35
        self.credentials.append([realm, host, username, password])
 
199
 
class RecordingServer(object):
 
200
 
    """A fake HTTP server.
 
202
 
    It records the bytes sent to it, and replies with a 200.
 
205
 
    def __init__(self, expect_body_tail=None, scheme=''):
 
208
 
        :type expect_body_tail: str
 
209
 
        :param expect_body_tail: a reply won't be sent until this string is
 
212
 
        self._expect_body_tail = expect_body_tail
 
215
 
        self.received_bytes = ''
 
219
 
        return '%s://%s:%s/' % (self.scheme, self.host, self.port)
 
221
 
    def start_server(self):
 
222
 
        self._sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
 
223
 
        self._sock.bind(('127.0.0.1', 0))
 
224
 
        self.host, self.port = self._sock.getsockname()
 
225
 
        self._ready = threading.Event()
 
226
 
        self._thread = threading.Thread(target=self._accept_read_and_reply)
 
227
 
        self._thread.setDaemon(True)
 
231
 
    def _accept_read_and_reply(self):
 
234
 
        self._sock.settimeout(5)
 
236
 
            conn, address = self._sock.accept()
 
237
 
            # On win32, the accepted connection will be non-blocking to start
 
238
 
            # with because we're using settimeout.
 
239
 
            conn.setblocking(True)
 
240
 
            while not self.received_bytes.endswith(self._expect_body_tail):
 
241
 
                self.received_bytes += conn.recv(4096)
 
242
 
            conn.sendall('HTTP/1.1 200 OK\r\n')
 
243
 
        except socket.timeout:
 
244
 
            # Make sure the client isn't stuck waiting for us to e.g. accept.
 
247
 
            # The client may have already closed the socket.
 
250
 
    def stop_server(self):
 
254
 
            # We might have already closed it.  We don't care.
 
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
 
class TestWithTransport_pycurl(object):
 
374
 
    """Test case to inherit from if pycurl is present"""
 
376
 
    def _get_pycurl_maybe(self):
 
377
 
        self.requireFeature(features.pycurl)
 
378
 
        return PyCurlTransport
 
380
 
    _transport = property(_get_pycurl_maybe)
 
383
 
class TestHttpUrls(tests.TestCase):
 
385
 
    # TODO: This should be moved to authorization tests once they
 
 
38
class TestHttpUrls(TestCase):
 
388
39
    def test_url_parsing(self):
 
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."""
 
 
41
        url = extract_auth('http://example.com', f)
 
 
42
        self.assertEquals('http://example.com', url)
 
 
43
        self.assertEquals(0, len(f.credentials))
 
 
44
        url = extract_auth('http://user:pass@www.bazaar-ng.org/bzr/bzr.dev', f)
 
 
45
        self.assertEquals('http://www.bazaar-ng.org/bzr/bzr.dev', url)
 
 
46
        self.assertEquals(1, len(f.credentials))
 
 
47
        self.assertEquals([None, 'www.bazaar-ng.org', 'user', 'pass'], f.credentials[0])
 
404
49
    def test_abs_url(self):
 
405
50
        """Construction of absolute http URLs"""
 
406
 
        t = self._transport('http://bazaar-vcs.org/bzr/bzr.dev/')
 
 
51
        t = HttpTransport_urllib('http://bazaar-ng.org/bzr/bzr.dev/')
 
407
52
        eq = self.assertEqualDiff
 
408
 
        eq(t.abspath('.'), 'http://bazaar-vcs.org/bzr/bzr.dev')
 
409
 
        eq(t.abspath('foo/bar'), 'http://bazaar-vcs.org/bzr/bzr.dev/foo/bar')
 
410
 
        eq(t.abspath('.bzr'), 'http://bazaar-vcs.org/bzr/bzr.dev/.bzr')
 
 
54
           'http://bazaar-ng.org/bzr/bzr.dev')
 
 
55
        eq(t.abspath('foo/bar'), 
 
 
56
           'http://bazaar-ng.org/bzr/bzr.dev/foo/bar')
 
 
58
           'http://bazaar-ng.org/bzr/bzr.dev/.bzr')
 
411
59
        eq(t.abspath('.bzr/1//2/./3'),
 
412
 
           'http://bazaar-vcs.org/bzr/bzr.dev/.bzr/1/2/3')
 
 
60
           'http://bazaar-ng.org/bzr/bzr.dev/.bzr/1/2/3')
 
414
62
    def test_invalid_http_urls(self):
 
415
63
        """Trap invalid construction of urls"""
 
416
 
        t = self._transport('http://bazaar-vcs.org/bzr/bzr.dev/')
 
417
 
        self.assertRaises(errors.InvalidURL,
 
419
 
                          'http://http://bazaar-vcs.org/bzr/bzr.dev/')
 
 
64
        t = HttpTransport_urllib('http://bazaar-ng.org/bzr/bzr.dev/')
 
 
65
        self.assertRaises(ValueError,
 
 
68
        self.assertRaises(ValueError,
 
421
72
    def test_http_root_urls(self):
 
422
73
        """Construction of URLs from server root"""
 
423
 
        t = self._transport('http://bzr.ozlabs.org/')
 
 
74
        t = HttpTransport_urllib('http://bzr.ozlabs.org/')
 
424
75
        eq = self.assertEqualDiff
 
425
76
        eq(t.abspath('.bzr/tree-version'),
 
426
77
           'http://bzr.ozlabs.org/.bzr/tree-version')
 
428
79
    def test_http_impl_urls(self):
 
429
80
        """There are servers which ask for particular clients to connect"""
 
430
 
        server = self._server()
 
431
 
        server.start_server()
 
433
 
            url = server.get_url()
 
434
 
            self.assertTrue(url.startswith('%s://' % self._qualified_prefix))
 
439
 
class TestHttps_pycurl(TestWithTransport_pycurl, tests.TestCase):
 
441
 
    # TODO: This should really be moved into another pycurl
 
442
 
    # specific test. When https tests will be implemented, take
 
443
 
    # this one into account.
 
444
 
    def test_pycurl_without_https_support(self):
 
445
 
        """Test that pycurl without SSL do not fail with a traceback.
 
447
 
        For the purpose of the test, we force pycurl to ignore
 
448
 
        https by supplying a fake version_info that do not
 
451
 
        self.requireFeature(features.pycurl)
 
452
 
        # Import the module locally now that we now it's available.
 
453
 
        pycurl = features.pycurl.module
 
455
 
        self.overrideAttr(pycurl, 'version_info',
 
456
 
                          # Fake the pycurl version_info This was taken from
 
457
 
                          # a windows pycurl without SSL (thanks to bialix)
 
466
 
                                    ('ftp', 'gopher', 'telnet',
 
467
 
                                     'dict', 'ldap', 'http', 'file'),
 
471
 
        self.assertRaises(errors.DependencyNotPresent, self._transport,
 
472
 
                          'https://launchpad.net')
 
475
 
class TestHTTPConnections(http_utils.TestCaseWithWebserver):
 
476
 
    """Test the http connections."""
 
479
 
        http_utils.TestCaseWithWebserver.setUp(self)
 
480
 
        self.build_tree(['foo/', 'foo/bar'], line_endings='binary',
 
 
82
            from bzrlib.transport.http._pycurl import HttpServer_PyCurl
 
 
83
            server = HttpServer_PyCurl()
 
 
86
                url = server.get_url()
 
 
87
                self.assertTrue(url.startswith('http+pycurl://'))
 
 
90
        except DependencyNotPresent:
 
 
91
            raise TestSkipped('pycurl not present')
 
 
93
class TestHttpMixins(object):
 
 
96
        self.build_tree(['xxx', 'foo/', 'foo/bar'], line_endings='binary',
 
481
97
                        transport=self.get_transport())
 
483
99
    def test_http_has(self):
 
 
504
120
            'contents of foo/bar\n')
 
505
121
        self.assertEqual(len(server.logs), 1)
 
506
122
        self.assertTrue(server.logs[0].find(
 
507
 
            '"GET /foo/bar HTTP/1.1" 200 - "-" "bzr/%s'
 
508
 
            % bzrlib.__version__) > -1)
 
510
 
    def test_has_on_bogus_host(self):
 
511
 
        # Get a free address and don't 'accept' on it, so that we
 
512
 
        # can be sure there is no http handler there, but set a
 
513
 
        # reasonable timeout to not slow down tests too much.
 
514
 
        default_timeout = socket.getdefaulttimeout()
 
 
123
            '"GET /foo/bar HTTP/1.1" 200 - "-" "bzr/%s' % bzrlib.__version__) > -1)
 
 
126
class TestHttpConnections_urllib(TestCaseWithWebserver, TestHttpMixins):
 
 
127
    _transport = HttpTransport_urllib
 
 
130
        TestCaseWithWebserver.setUp(self)
 
 
135
class TestHttpConnections_pycurl(TestCaseWithWebserver, TestHttpMixins):
 
 
137
    def _get_pycurl_maybe(self):
 
516
 
            socket.setdefaulttimeout(2)
 
518
 
            s.bind(('localhost', 0))
 
519
 
            t = self._transport('http://%s:%s/' % s.getsockname())
 
520
 
            self.assertRaises(errors.ConnectionError, t.has, 'foo/bar')
 
522
 
            socket.setdefaulttimeout(default_timeout)
 
525
 
class TestHttpTransportRegistration(tests.TestCase):
 
 
139
            from bzrlib.transport.http._pycurl import PyCurlTransport
 
 
140
            return PyCurlTransport
 
 
141
        except DependencyNotPresent:
 
 
142
            raise TestSkipped('pycurl not present')
 
 
144
    _transport = property(_get_pycurl_maybe)
 
 
147
        TestCaseWithWebserver.setUp(self)
 
 
152
class TestHttpTransportRegistration(TestCase):
 
526
153
    """Test registrations of various http implementations"""
 
528
155
    def test_http_registered(self):
 
529
 
        t = transport.get_transport('%s://foo.com/' % self._qualified_prefix)
 
530
 
        self.assertIsInstance(t, transport.Transport)
 
531
 
        self.assertIsInstance(t, self._transport)
 
534
 
class TestPost(tests.TestCase):
 
536
 
    def test_post_body_is_received(self):
 
537
 
        server = RecordingServer(expect_body_tail='end-of-body',
 
538
 
            scheme=self._qualified_prefix)
 
539
 
        self.start_server(server)
 
540
 
        url = server.get_url()
 
541
 
        http_transport = self._transport(url)
 
542
 
        code, response = http_transport._post('abc def end-of-body')
 
544
 
            server.received_bytes.startswith('POST /.bzr/smart HTTP/1.'))
 
545
 
        self.assertTrue('content-length: 19\r' in server.received_bytes.lower())
 
546
 
        # The transport should not be assuming that the server can accept
 
547
 
        # chunked encoding the first time it connects, because HTTP/1.1, so we
 
548
 
        # check for the literal string.
 
550
 
            server.received_bytes.endswith('\r\n\r\nabc def end-of-body'))
 
553
 
class TestRangeHeader(tests.TestCase):
 
554
 
    """Test range_header method"""
 
556
 
    def check_header(self, value, ranges=[], tail=0):
 
557
 
        offsets = [ (start, end - start + 1) for start, end in ranges]
 
558
 
        coalesce = transport.Transport._coalesce_offsets
 
559
 
        coalesced = list(coalesce(offsets, limit=0, fudge_factor=0))
 
560
 
        range_header = http.HttpTransportBase._range_header
 
561
 
        self.assertEqual(value, range_header(coalesced, tail))
 
563
 
    def test_range_header_single(self):
 
564
 
        self.check_header('0-9', ranges=[(0,9)])
 
565
 
        self.check_header('100-109', ranges=[(100,109)])
 
567
 
    def test_range_header_tail(self):
 
568
 
        self.check_header('-10', tail=10)
 
569
 
        self.check_header('-50', tail=50)
 
571
 
    def test_range_header_multi(self):
 
572
 
        self.check_header('0-9,100-200,300-5000',
 
573
 
                          ranges=[(0,9), (100, 200), (300,5000)])
 
575
 
    def test_range_header_mixed(self):
 
576
 
        self.check_header('0-9,300-5000,-50',
 
577
 
                          ranges=[(0,9), (300,5000)],
 
581
 
class TestSpecificRequestHandler(http_utils.TestCaseWithWebserver):
 
582
 
    """Tests a specific request handler.
 
584
 
    Daughter classes are expected to override _req_handler_class
 
587
 
    # Provide a useful default
 
588
 
    _req_handler_class = http_server.TestingHTTPRequestHandler
 
590
 
    def create_transport_readonly_server(self):
 
591
 
        return http_server.HttpServer(self._req_handler_class,
 
592
 
                                      protocol_version=self._protocol_version)
 
594
 
    def _testing_pycurl(self):
 
595
 
        # TODO: This is duplicated for lots of the classes in this file
 
596
 
        return (features.pycurl.available()
 
597
 
                and self._transport == PyCurlTransport)
 
600
 
class WallRequestHandler(http_server.TestingHTTPRequestHandler):
 
601
 
    """Whatever request comes in, close the connection"""
 
603
 
    def handle_one_request(self):
 
604
 
        """Handle a single HTTP request, by abruptly closing the connection"""
 
605
 
        self.close_connection = 1
 
608
 
class TestWallServer(TestSpecificRequestHandler):
 
609
 
    """Tests exceptions during the connection phase"""
 
611
 
    _req_handler_class = WallRequestHandler
 
613
 
    def test_http_has(self):
 
614
 
        server = self.get_readonly_server()
 
615
 
        t = self._transport(server.get_url())
 
616
 
        # Unfortunately httplib (see HTTPResponse._read_status
 
617
 
        # for details) make no distinction between a closed
 
618
 
        # socket and badly formatted status line, so we can't
 
619
 
        # just test for ConnectionError, we have to test
 
620
 
        # InvalidHttpResponse too. And pycurl may raise ConnectionReset
 
621
 
        # instead of ConnectionError too.
 
622
 
        self.assertRaises(( errors.ConnectionError, errors.ConnectionReset,
 
623
 
                            errors.InvalidHttpResponse),
 
626
 
    def test_http_get(self):
 
627
 
        server = self.get_readonly_server()
 
628
 
        t = self._transport(server.get_url())
 
629
 
        self.assertRaises((errors.ConnectionError, errors.ConnectionReset,
 
630
 
                           errors.InvalidHttpResponse),
 
634
 
class BadStatusRequestHandler(http_server.TestingHTTPRequestHandler):
 
635
 
    """Whatever request comes in, returns a bad status"""
 
637
 
    def parse_request(self):
 
638
 
        """Fakes handling a single HTTP request, returns a bad status"""
 
639
 
        ignored = http_server.TestingHTTPRequestHandler.parse_request(self)
 
640
 
        self.send_response(0, "Bad status")
 
641
 
        self.close_connection = 1
 
645
 
class TestBadStatusServer(TestSpecificRequestHandler):
 
646
 
    """Tests bad status from server."""
 
648
 
    _req_handler_class = BadStatusRequestHandler
 
650
 
    def test_http_has(self):
 
651
 
        server = self.get_readonly_server()
 
652
 
        t = self._transport(server.get_url())
 
653
 
        self.assertRaises(errors.InvalidHttpResponse, t.has, 'foo/bar')
 
655
 
    def test_http_get(self):
 
656
 
        server = self.get_readonly_server()
 
657
 
        t = self._transport(server.get_url())
 
658
 
        self.assertRaises(errors.InvalidHttpResponse, t.get, 'foo/bar')
 
661
 
class InvalidStatusRequestHandler(http_server.TestingHTTPRequestHandler):
 
662
 
    """Whatever request comes in, returns an invalid status"""
 
664
 
    def parse_request(self):
 
665
 
        """Fakes handling a single HTTP request, returns a bad status"""
 
666
 
        ignored = http_server.TestingHTTPRequestHandler.parse_request(self)
 
667
 
        self.wfile.write("Invalid status line\r\n")
 
671
 
class TestInvalidStatusServer(TestBadStatusServer):
 
672
 
    """Tests invalid status from server.
 
674
 
    Both implementations raises the same error as for a bad status.
 
677
 
    _req_handler_class = InvalidStatusRequestHandler
 
679
 
    def test_http_has(self):
 
680
 
        if self._testing_pycurl() and self._protocol_version == 'HTTP/1.1':
 
681
 
            raise tests.KnownFailure(
 
682
 
                'pycurl hangs if the server send back garbage')
 
683
 
        super(TestInvalidStatusServer, self).test_http_has()
 
685
 
    def test_http_get(self):
 
686
 
        if self._testing_pycurl() and self._protocol_version == 'HTTP/1.1':
 
687
 
            raise tests.KnownFailure(
 
688
 
                'pycurl hangs if the server send back garbage')
 
689
 
        super(TestInvalidStatusServer, self).test_http_get()
 
692
 
class BadProtocolRequestHandler(http_server.TestingHTTPRequestHandler):
 
693
 
    """Whatever request comes in, returns a bad protocol version"""
 
695
 
    def parse_request(self):
 
696
 
        """Fakes handling a single HTTP request, returns a bad status"""
 
697
 
        ignored = http_server.TestingHTTPRequestHandler.parse_request(self)
 
698
 
        # Returns an invalid protocol version, but curl just
 
699
 
        # ignores it and those cannot be tested.
 
700
 
        self.wfile.write("%s %d %s\r\n" % ('HTTP/0.0',
 
702
 
                                           'Look at my protocol version'))
 
706
 
class TestBadProtocolServer(TestSpecificRequestHandler):
 
707
 
    """Tests bad protocol from server."""
 
709
 
    _req_handler_class = BadProtocolRequestHandler
 
712
 
        if self._testing_pycurl():
 
713
 
            raise tests.TestNotApplicable(
 
714
 
                "pycurl doesn't check the protocol version")
 
715
 
        super(TestBadProtocolServer, self).setUp()
 
717
 
    def test_http_has(self):
 
718
 
        server = self.get_readonly_server()
 
719
 
        t = self._transport(server.get_url())
 
720
 
        self.assertRaises(errors.InvalidHttpResponse, t.has, 'foo/bar')
 
722
 
    def test_http_get(self):
 
723
 
        server = self.get_readonly_server()
 
724
 
        t = self._transport(server.get_url())
 
725
 
        self.assertRaises(errors.InvalidHttpResponse, t.get, 'foo/bar')
 
728
 
class ForbiddenRequestHandler(http_server.TestingHTTPRequestHandler):
 
729
 
    """Whatever request comes in, returns a 403 code"""
 
731
 
    def parse_request(self):
 
732
 
        """Handle a single HTTP request, by replying we cannot handle it"""
 
733
 
        ignored = http_server.TestingHTTPRequestHandler.parse_request(self)
 
738
 
class TestForbiddenServer(TestSpecificRequestHandler):
 
739
 
    """Tests forbidden server"""
 
741
 
    _req_handler_class = ForbiddenRequestHandler
 
743
 
    def test_http_has(self):
 
744
 
        server = self.get_readonly_server()
 
745
 
        t = self._transport(server.get_url())
 
746
 
        self.assertRaises(errors.TransportError, t.has, 'foo/bar')
 
748
 
    def test_http_get(self):
 
749
 
        server = self.get_readonly_server()
 
750
 
        t = self._transport(server.get_url())
 
751
 
        self.assertRaises(errors.TransportError, t.get, 'foo/bar')
 
754
 
class TestRecordingServer(tests.TestCase):
 
756
 
    def test_create(self):
 
757
 
        server = RecordingServer(expect_body_tail=None)
 
758
 
        self.assertEqual('', server.received_bytes)
 
759
 
        self.assertEqual(None, server.host)
 
760
 
        self.assertEqual(None, server.port)
 
762
 
    def test_setUp_and_stop(self):
 
763
 
        server = RecordingServer(expect_body_tail=None)
 
764
 
        server.start_server()
 
766
 
            self.assertNotEqual(None, server.host)
 
767
 
            self.assertNotEqual(None, server.port)
 
770
 
        self.assertEqual(None, server.host)
 
771
 
        self.assertEqual(None, server.port)
 
773
 
    def test_send_receive_bytes(self):
 
774
 
        server = RecordingServer(expect_body_tail='c', scheme='http')
 
775
 
        self.start_server(server)
 
776
 
        sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
 
777
 
        sock.connect((server.host, server.port))
 
779
 
        self.assertEqual('HTTP/1.1 200 OK\r\n',
 
780
 
                         osutils.recv_all(sock, 4096))
 
781
 
        self.assertEqual('abc', server.received_bytes)
 
784
 
class TestRangeRequestServer(TestSpecificRequestHandler):
 
785
 
    """Tests readv requests against server.
 
787
 
    We test against default "normal" server.
 
791
 
        super(TestRangeRequestServer, self).setUp()
 
792
 
        self.build_tree_contents([('a', '0123456789')],)
 
794
 
    def test_readv(self):
 
795
 
        server = self.get_readonly_server()
 
796
 
        t = self._transport(server.get_url())
 
797
 
        l = list(t.readv('a', ((0, 1), (1, 1), (3, 2), (9, 1))))
 
798
 
        self.assertEqual(l[0], (0, '0'))
 
799
 
        self.assertEqual(l[1], (1, '1'))
 
800
 
        self.assertEqual(l[2], (3, '34'))
 
801
 
        self.assertEqual(l[3], (9, '9'))
 
803
 
    def test_readv_out_of_order(self):
 
804
 
        server = self.get_readonly_server()
 
805
 
        t = self._transport(server.get_url())
 
806
 
        l = list(t.readv('a', ((1, 1), (9, 1), (0, 1), (3, 2))))
 
807
 
        self.assertEqual(l[0], (1, '1'))
 
808
 
        self.assertEqual(l[1], (9, '9'))
 
809
 
        self.assertEqual(l[2], (0, '0'))
 
810
 
        self.assertEqual(l[3], (3, '34'))
 
812
 
    def test_readv_invalid_ranges(self):
 
813
 
        server = self.get_readonly_server()
 
814
 
        t = self._transport(server.get_url())
 
816
 
        # This is intentionally reading off the end of the file
 
817
 
        # since we are sure that it cannot get there
 
818
 
        self.assertListRaises((errors.InvalidRange, errors.ShortReadvError,),
 
819
 
                              t.readv, 'a', [(1,1), (8,10)])
 
821
 
        # This is trying to seek past the end of the file, it should
 
822
 
        # also raise a special error
 
823
 
        self.assertListRaises((errors.InvalidRange, errors.ShortReadvError,),
 
824
 
                              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
 
class TestSingleRangeRequestServer(TestRangeRequestServer):
 
896
 
    """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)
 
914
 
class TestSingleOnlyRangeRequestServer(TestRangeRequestServer):
 
915
 
    """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)
 
930
 
class TestNoRangeRequestServer(TestRangeRequestServer):
 
931
 
    """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
 
    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):
 
1112
 
    """Whitebox test proxy http authorization.
 
1114
 
    Only the urllib implementation is tested here.
 
1118
 
        tests.TestCase.setUp(self)
 
1123
 
        tests.TestCase.tearDown(self)
 
1125
 
    def _install_env(self, env):
 
1126
 
        for name, value in env.iteritems():
 
1127
 
            self._old_env[name] = osutils.set_or_unset_env(name, value)
 
1129
 
    def _restore_env(self):
 
1130
 
        for name, value in self._old_env.iteritems():
 
1131
 
            osutils.set_or_unset_env(name, value)
 
1133
 
    def _proxied_request(self):
 
1134
 
        handler = _urllib2_wrappers.ProxyHandler()
 
1135
 
        request = _urllib2_wrappers.Request('GET','http://baz/buzzle')
 
1136
 
        handler.set_proxy(request, 'http')
 
1139
 
    def test_empty_user(self):
 
1140
 
        self._install_env({'http_proxy': 'http://bar.com'})
 
1141
 
        request = self._proxied_request()
 
1142
 
        self.assertFalse(request.headers.has_key('Proxy-authorization'))
 
1144
 
    def test_invalid_proxy(self):
 
1145
 
        """A proxy env variable without scheme"""
 
1146
 
        self._install_env({'http_proxy': 'host:1234'})
 
1147
 
        self.assertRaises(errors.InvalidURL, self._proxied_request)
 
1150
 
class TestProxyHttpServer(http_utils.TestCaseWithTwoWebservers):
 
1151
 
    """Tests proxy server.
 
1153
 
    Be aware that we do not setup a real proxy here. Instead, we
 
1154
 
    check that the *connection* goes through the proxy by serving
 
1155
 
    different content (the faked proxy server append '-proxied'
 
1159
 
    # FIXME: We don't have an https server available, so we don't
 
1160
 
    # test https connections.
 
1163
 
        super(TestProxyHttpServer, self).setUp()
 
1164
 
        self.build_tree_contents([('foo', 'contents of foo\n'),
 
1165
 
                                  ('foo-proxied', 'proxied contents of foo\n')])
 
1166
 
        # Let's setup some attributes for tests
 
1167
 
        self.server = self.get_readonly_server()
 
1168
 
        self.proxy_address = '%s:%d' % (self.server.host, self.server.port)
 
1169
 
        if self._testing_pycurl():
 
1170
 
            # Oh my ! pycurl does not check for the port as part of
 
1171
 
            # no_proxy :-( So we just test the host part
 
1172
 
            self.no_proxy_host = self.server.host
 
1174
 
            self.no_proxy_host = self.proxy_address
 
1175
 
        # The secondary server is the proxy
 
1176
 
        self.proxy = self.get_secondary_server()
 
1177
 
        self.proxy_url = self.proxy.get_url()
 
1180
 
    def _testing_pycurl(self):
 
1181
 
        # TODO: This is duplicated for lots of the classes in this file
 
1182
 
        return (features.pycurl.available()
 
1183
 
                and self._transport == PyCurlTransport)
 
1185
 
    def create_transport_secondary_server(self):
 
1186
 
        """Creates an http server that will serve files with
 
1187
 
        '-proxied' appended to their names.
 
1189
 
        return http_utils.ProxyServer(protocol_version=self._protocol_version)
 
1191
 
    def _install_env(self, env):
 
1192
 
        for name, value in env.iteritems():
 
1193
 
            self._old_env[name] = osutils.set_or_unset_env(name, value)
 
1195
 
    def _restore_env(self):
 
1196
 
        for name, value in self._old_env.iteritems():
 
1197
 
            osutils.set_or_unset_env(name, value)
 
1199
 
    def proxied_in_env(self, env):
 
1200
 
        self._install_env(env)
 
1201
 
        url = self.server.get_url()
 
1202
 
        t = self._transport(url)
 
1204
 
            self.assertEqual('proxied contents of foo\n', t.get('foo').read())
 
1208
 
    def not_proxied_in_env(self, env):
 
1209
 
        self._install_env(env)
 
1210
 
        url = self.server.get_url()
 
1211
 
        t = self._transport(url)
 
1213
 
            self.assertEqual('contents of foo\n', t.get('foo').read())
 
1217
 
    def test_http_proxy(self):
 
1218
 
        self.proxied_in_env({'http_proxy': self.proxy_url})
 
1220
 
    def test_HTTP_PROXY(self):
 
1221
 
        if self._testing_pycurl():
 
1222
 
            # pycurl does not check HTTP_PROXY for security reasons
 
1223
 
            # (for use in a CGI context that we do not care
 
1224
 
            # about. Should we ?)
 
1225
 
            raise tests.TestNotApplicable(
 
1226
 
                'pycurl does not check HTTP_PROXY for security reasons')
 
1227
 
        self.proxied_in_env({'HTTP_PROXY': self.proxy_url})
 
1229
 
    def test_all_proxy(self):
 
1230
 
        self.proxied_in_env({'all_proxy': self.proxy_url})
 
1232
 
    def test_ALL_PROXY(self):
 
1233
 
        self.proxied_in_env({'ALL_PROXY': self.proxy_url})
 
1235
 
    def test_http_proxy_with_no_proxy(self):
 
1236
 
        self.not_proxied_in_env({'http_proxy': self.proxy_url,
 
1237
 
                                 'no_proxy': self.no_proxy_host})
 
1239
 
    def test_HTTP_PROXY_with_NO_PROXY(self):
 
1240
 
        if self._testing_pycurl():
 
1241
 
            raise tests.TestNotApplicable(
 
1242
 
                'pycurl does not check HTTP_PROXY for security reasons')
 
1243
 
        self.not_proxied_in_env({'HTTP_PROXY': self.proxy_url,
 
1244
 
                                 'NO_PROXY': self.no_proxy_host})
 
1246
 
    def test_all_proxy_with_no_proxy(self):
 
1247
 
        self.not_proxied_in_env({'all_proxy': self.proxy_url,
 
1248
 
                                 'no_proxy': self.no_proxy_host})
 
1250
 
    def test_ALL_PROXY_with_NO_PROXY(self):
 
1251
 
        self.not_proxied_in_env({'ALL_PROXY': self.proxy_url,
 
1252
 
                                 'NO_PROXY': self.no_proxy_host})
 
1254
 
    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)
 
1271
 
        self.build_tree_contents([('a', '0123456789')],)
 
1272
 
        server = self.get_readonly_server()
 
1273
 
        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)
 
1288
 
    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)
 
1294
 
    def test_range_header(self):
 
1296
 
        map(self.assertEqual,['0', '234'],
 
1297
 
            list(self._file_contents('a', [(0,0), (2,4)])),)
 
1299
 
    def test_range_header_tail(self):
 
1300
 
        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."""
 
1314
 
    def create_transport_secondary_server(self):
 
1315
 
        """Create the secondary server redirecting to the primary server"""
 
1316
 
        new = self.get_readonly_server()
 
1318
 
        redirecting = http_utils.HTTPServerRedirecting(
 
1319
 
            protocol_version=self._protocol_version)
 
1320
 
        redirecting.redirect_to(new.host, new.port)
 
1324
 
        super(TestHTTPRedirections, self).setUp()
 
1325
 
        self.build_tree_contents([('a', '0123456789'),
 
1327
 
                                  '# Bazaar revision bundle v0.9\n#\n')
 
1329
 
        # The requests to the old server will be redirected to the new server
 
1330
 
        self.old_transport = self._transport(self.old_server.get_url())
 
1332
 
    def test_redirected(self):
 
1333
 
        self.assertRaises(errors.RedirectRequested, self.old_transport.get, 'a')
 
1334
 
        t = self._transport(self.new_server.get_url())
 
1335
 
        self.assertEqual('0123456789', t.get('a').read())
 
1337
 
    def test_read_redirected_bundle_from_url(self):
 
1338
 
        from bzrlib.bundle import read_bundle_from_url
 
1339
 
        url = self.old_transport.abspath('bundle')
 
1340
 
        bundle = self.applyDeprecated(deprecated_in((1, 12, 0)),
 
1341
 
                read_bundle_from_url, url)
 
1342
 
        # If read_bundle_from_url was successful we get an empty bundle
 
1343
 
        self.assertEqual([], bundle.revisions)
 
1346
 
class RedirectedRequest(_urllib2_wrappers.Request):
 
1347
 
    """Request following redirections. """
 
1349
 
    init_orig = _urllib2_wrappers.Request.__init__
 
1351
 
    def __init__(self, method, url, *args, **kwargs):
 
1355
 
        # Since the tests using this class will replace
 
1356
 
        # _urllib2_wrappers.Request, we can't just call the base class __init__
 
1358
 
        RedirectedRequest.init_orig(self, method, url, *args, **kwargs)
 
1359
 
        self.follow_redirections = True
 
1362
 
def install_redirected_request(test):
 
1363
 
    test.overrideAttr(_urllib2_wrappers, 'Request', RedirectedRequest)
 
1366
 
class TestHTTPSilentRedirections(http_utils.TestCaseWithRedirectedWebserver):
 
1367
 
    """Test redirections.
 
1369
 
    http implementations do not redirect silently anymore (they
 
1370
 
    do not redirect at all in fact). The mechanism is still in
 
1371
 
    place at the _urllib2_wrappers.Request level and these tests
 
1374
 
    For the pycurl implementation
 
1375
 
    the redirection have been deleted as we may deprecate pycurl
 
1376
 
    and I have no place to keep a working implementation.
 
1381
 
        if (features.pycurl.available()
 
1382
 
            and self._transport == PyCurlTransport):
 
1383
 
            raise tests.TestNotApplicable(
 
1384
 
                "pycurl doesn't redirect silently annymore")
 
1385
 
        super(TestHTTPSilentRedirections, self).setUp()
 
1386
 
        install_redirected_request(self)
 
1387
 
        self.build_tree_contents([('a','a'),
 
1389
 
                                  ('1/a', 'redirected once'),
 
1391
 
                                  ('2/a', 'redirected twice'),
 
1393
 
                                  ('3/a', 'redirected thrice'),
 
1395
 
                                  ('4/a', 'redirected 4 times'),
 
1397
 
                                  ('5/a', 'redirected 5 times'),
 
1400
 
        self.old_transport = self._transport(self.old_server.get_url())
 
1402
 
    def create_transport_secondary_server(self):
 
1403
 
        """Create the secondary server, redirections are defined in the tests"""
 
1404
 
        return http_utils.HTTPServerRedirecting(
 
1405
 
            protocol_version=self._protocol_version)
 
1407
 
    def test_one_redirection(self):
 
1408
 
        t = self.old_transport
 
1410
 
        req = RedirectedRequest('GET', t.abspath('a'))
 
1411
 
        new_prefix = 'http://%s:%s' % (self.new_server.host,
 
1412
 
                                       self.new_server.port)
 
1413
 
        self.old_server.redirections = \
 
1414
 
            [('(.*)', r'%s/1\1' % (new_prefix), 301),]
 
1415
 
        self.assertEqual('redirected once',t._perform(req).read())
 
1417
 
    def test_five_redirections(self):
 
1418
 
        t = self.old_transport
 
1420
 
        req = RedirectedRequest('GET', t.abspath('a'))
 
1421
 
        old_prefix = 'http://%s:%s' % (self.old_server.host,
 
1422
 
                                       self.old_server.port)
 
1423
 
        new_prefix = 'http://%s:%s' % (self.new_server.host,
 
1424
 
                                       self.new_server.port)
 
1425
 
        self.old_server.redirections = [
 
1426
 
            ('/1(.*)', r'%s/2\1' % (old_prefix), 302),
 
1427
 
            ('/2(.*)', r'%s/3\1' % (old_prefix), 303),
 
1428
 
            ('/3(.*)', r'%s/4\1' % (old_prefix), 307),
 
1429
 
            ('/4(.*)', r'%s/5\1' % (new_prefix), 301),
 
1430
 
            ('(/[^/]+)', r'%s/1\1' % (old_prefix), 301),
 
1432
 
        self.assertEqual('redirected 5 times',t._perform(req).read())
 
1435
 
class TestDoCatchRedirections(http_utils.TestCaseWithRedirectedWebserver):
 
1436
 
    """Test transport.do_catching_redirections."""
 
1439
 
        super(TestDoCatchRedirections, self).setUp()
 
1440
 
        self.build_tree_contents([('a', '0123456789'),],)
 
1442
 
        self.old_transport = self._transport(self.old_server.get_url())
 
1444
 
    def get_a(self, transport):
 
1445
 
        return transport.get('a')
 
1447
 
    def test_no_redirection(self):
 
1448
 
        t = self._transport(self.new_server.get_url())
 
1450
 
        # We use None for redirected so that we fail if redirected
 
1451
 
        self.assertEqual('0123456789',
 
1452
 
                         transport.do_catching_redirections(
 
1453
 
                self.get_a, t, None).read())
 
1455
 
    def test_one_redirection(self):
 
1456
 
        self.redirections = 0
 
1458
 
        def redirected(transport, exception, redirection_notice):
 
1459
 
            self.redirections += 1
 
1460
 
            dir, file = urlutils.split(exception.target)
 
1461
 
            return self._transport(dir)
 
1463
 
        self.assertEqual('0123456789',
 
1464
 
                         transport.do_catching_redirections(
 
1465
 
                self.get_a, self.old_transport, redirected).read())
 
1466
 
        self.assertEqual(1, self.redirections)
 
1468
 
    def test_redirection_loop(self):
 
1470
 
        def redirected(transport, exception, redirection_notice):
 
1471
 
            # By using the redirected url as a base dir for the
 
1472
 
            # *old* transport, we create a loop: a => a/a =>
 
1474
 
            return self.old_transport.clone(exception.target)
 
1476
 
        self.assertRaises(errors.TooManyRedirections,
 
1477
 
                          transport.do_catching_redirections,
 
1478
 
                          self.get_a, self.old_transport, redirected)
 
1481
 
class TestAuth(http_utils.TestCaseWithWebserver):
 
1482
 
    """Test authentication scheme"""
 
1484
 
    _auth_header = 'Authorization'
 
1485
 
    _password_prompt_prefix = ''
 
1486
 
    _username_prompt_prefix = ''
 
1491
 
        super(TestAuth, self).setUp()
 
1492
 
        self.server = self.get_readonly_server()
 
1493
 
        self.build_tree_contents([('a', 'contents of a\n'),
 
1494
 
                                  ('b', 'contents of b\n'),])
 
1496
 
    def create_transport_readonly_server(self):
 
1497
 
        return self._auth_server(protocol_version=self._protocol_version)
 
1499
 
    def _testing_pycurl(self):
 
1500
 
        # TODO: This is duplicated for lots of the classes in this file
 
1501
 
        return (features.pycurl.available()
 
1502
 
                and self._transport == PyCurlTransport)
 
1504
 
    def get_user_url(self, user, password):
 
1505
 
        """Build an url embedding user and password"""
 
1506
 
        url = '%s://' % self.server._url_protocol
 
1507
 
        if user is not None:
 
1509
 
            if password is not None:
 
1510
 
                url += ':' + password
 
1512
 
        url += '%s:%s/' % (self.server.host, self.server.port)
 
1515
 
    def get_user_transport(self, user, password):
 
1516
 
        return self._transport(self.get_user_url(user, password))
 
1518
 
    def test_no_user(self):
 
1519
 
        self.server.add_user('joe', 'foo')
 
1520
 
        t = self.get_user_transport(None, None)
 
1521
 
        self.assertRaises(errors.InvalidHttpResponse, t.get, 'a')
 
1522
 
        # Only one 'Authentication Required' error should occur
 
1523
 
        self.assertEqual(1, self.server.auth_required_errors)
 
1525
 
    def test_empty_pass(self):
 
1526
 
        self.server.add_user('joe', '')
 
1527
 
        t = self.get_user_transport('joe', '')
 
1528
 
        self.assertEqual('contents of a\n', t.get('a').read())
 
1529
 
        # Only one 'Authentication Required' error should occur
 
1530
 
        self.assertEqual(1, self.server.auth_required_errors)
 
1532
 
    def test_user_pass(self):
 
1533
 
        self.server.add_user('joe', 'foo')
 
1534
 
        t = self.get_user_transport('joe', 'foo')
 
1535
 
        self.assertEqual('contents of a\n', t.get('a').read())
 
1536
 
        # Only one 'Authentication Required' error should occur
 
1537
 
        self.assertEqual(1, self.server.auth_required_errors)
 
1539
 
    def test_unknown_user(self):
 
1540
 
        self.server.add_user('joe', 'foo')
 
1541
 
        t = self.get_user_transport('bill', 'foo')
 
1542
 
        self.assertRaises(errors.InvalidHttpResponse, t.get, 'a')
 
1543
 
        # Two 'Authentication Required' errors should occur (the
 
1544
 
        # initial 'who are you' and 'I don't know you, who are
 
1546
 
        self.assertEqual(2, self.server.auth_required_errors)
 
1548
 
    def test_wrong_pass(self):
 
1549
 
        self.server.add_user('joe', 'foo')
 
1550
 
        t = self.get_user_transport('joe', 'bar')
 
1551
 
        self.assertRaises(errors.InvalidHttpResponse, t.get, 'a')
 
1552
 
        # Two 'Authentication Required' errors should occur (the
 
1553
 
        # initial 'who are you' and 'this is not you, who are you')
 
1554
 
        self.assertEqual(2, self.server.auth_required_errors)
 
1556
 
    def test_prompt_for_username(self):
 
1557
 
        if self._testing_pycurl():
 
1558
 
            raise tests.TestNotApplicable(
 
1559
 
                'pycurl cannot prompt, it handles auth by embedding'
 
1560
 
                ' user:pass in urls only')
 
1562
 
        self.server.add_user('joe', 'foo')
 
1563
 
        t = self.get_user_transport(None, None)
 
1564
 
        stdout = tests.StringIOWrapper()
 
1565
 
        stderr = tests.StringIOWrapper()
 
1566
 
        ui.ui_factory = tests.TestUIFactory(stdin='joe\nfoo\n',
 
1567
 
                                            stdout=stdout, stderr=stderr)
 
1568
 
        self.assertEqual('contents of a\n',t.get('a').read())
 
1569
 
        # stdin should be empty
 
1570
 
        self.assertEqual('', ui.ui_factory.stdin.readline())
 
1572
 
        expected_prompt = self._expected_username_prompt(t._unqualified_scheme)
 
1573
 
        self.assertEqual(expected_prompt, stderr.read(len(expected_prompt)))
 
1574
 
        self.assertEqual('', stdout.getvalue())
 
1575
 
        self._check_password_prompt(t._unqualified_scheme, 'joe',
 
1578
 
    def test_prompt_for_password(self):
 
1579
 
        if self._testing_pycurl():
 
1580
 
            raise tests.TestNotApplicable(
 
1581
 
                'pycurl cannot prompt, it handles auth by embedding'
 
1582
 
                ' user:pass in urls only')
 
1584
 
        self.server.add_user('joe', 'foo')
 
1585
 
        t = self.get_user_transport('joe', None)
 
1586
 
        stdout = tests.StringIOWrapper()
 
1587
 
        stderr = tests.StringIOWrapper()
 
1588
 
        ui.ui_factory = tests.TestUIFactory(stdin='foo\n',
 
1589
 
                                            stdout=stdout, stderr=stderr)
 
1590
 
        self.assertEqual('contents of a\n', t.get('a').read())
 
1591
 
        # stdin should be empty
 
1592
 
        self.assertEqual('', ui.ui_factory.stdin.readline())
 
1593
 
        self._check_password_prompt(t._unqualified_scheme, 'joe',
 
1595
 
        self.assertEqual('', stdout.getvalue())
 
1596
 
        # And we shouldn't prompt again for a different request
 
1597
 
        # against the same transport.
 
1598
 
        self.assertEqual('contents of b\n',t.get('b').read())
 
1600
 
        # And neither against a clone
 
1601
 
        self.assertEqual('contents of b\n',t2.get('b').read())
 
1602
 
        # Only one 'Authentication Required' error should occur
 
1603
 
        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)
 
1687
 
class TestProxyAuth(TestAuth):
 
1688
 
    """Test proxy authentication schemes."""
 
1690
 
    _auth_header = 'Proxy-authorization'
 
1691
 
    _password_prompt_prefix = 'Proxy '
 
1692
 
    _username_prompt_prefix = 'Proxy '
 
1695
 
        super(TestProxyAuth, self).setUp()
 
1697
 
        self.addCleanup(self._restore_env)
 
1698
 
        # Override the contents to avoid false positives
 
1699
 
        self.build_tree_contents([('a', 'not proxied contents of a\n'),
 
1700
 
                                  ('b', 'not proxied contents of b\n'),
 
1701
 
                                  ('a-proxied', 'contents of a\n'),
 
1702
 
                                  ('b-proxied', 'contents of b\n'),
 
1705
 
    def get_user_transport(self, user, password):
 
1706
 
        self._install_env({'all_proxy': self.get_user_url(user, password)})
 
1707
 
        return self._transport(self.server.get_url())
 
1709
 
    def _install_env(self, env):
 
1710
 
        for name, value in env.iteritems():
 
1711
 
            self._old_env[name] = osutils.set_or_unset_env(name, value)
 
1713
 
    def _restore_env(self):
 
1714
 
        for name, value in self._old_env.iteritems():
 
1715
 
            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())
 
 
156
        import bzrlib.transport.http._urllib
 
 
157
        from bzrlib.transport import get_transport
 
 
158
        # urlllib should always be present
 
 
159
        t = get_transport('http+urllib://bzr.google.com/')
 
 
160
        self.assertIsInstance(t, Transport)
 
 
161
        self.assertIsInstance(t, bzrlib.transport.http._urllib.HttpTransport_urllib)