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Viewing changes to bzrlib/tests/test_remote.py

  • Committer: John Arbash Meinel
  • Date: 2009-02-23 16:15:00 UTC
  • mto: This revision was merged to the branch mainline in revision 4033.
  • Revision ID: john@arbash-meinel.com-20090223161500-d4ufiusbhzst02a9
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1
# Copyright (C) 2006, 2007, 2008 Canonical Ltd
 
2
#
 
3
# This program is free software; you can redistribute it and/or modify
 
4
# it under the terms of the GNU General Public License as published by
 
5
# the Free Software Foundation; either version 2 of the License, or
 
6
# (at your option) any later version.
 
7
#
 
8
# This program is distributed in the hope that it will be useful,
 
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
11
# GNU General Public License for more details.
 
12
#
 
13
# You should have received a copy of the GNU General Public License
 
14
# along with this program; if not, write to the Free Software
 
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
16
 
 
17
"""Tests for remote bzrdir/branch/repo/etc
 
18
 
 
19
These are proxy objects which act on remote objects by sending messages
 
20
through a smart client.  The proxies are to be created when attempting to open
 
21
the object given a transport that supports smartserver rpc operations.
 
22
 
 
23
These tests correspond to tests.test_smart, which exercises the server side.
 
24
"""
 
25
 
 
26
import bz2
 
27
from cStringIO import StringIO
 
28
 
 
29
from bzrlib import (
 
30
    bzrdir,
 
31
    config,
 
32
    errors,
 
33
    graph,
 
34
    pack,
 
35
    remote,
 
36
    repository,
 
37
    smart,
 
38
    tests,
 
39
    urlutils,
 
40
    )
 
41
from bzrlib.branch import Branch
 
42
from bzrlib.bzrdir import BzrDir, BzrDirFormat
 
43
from bzrlib.remote import (
 
44
    RemoteBranch,
 
45
    RemoteBzrDir,
 
46
    RemoteBzrDirFormat,
 
47
    RemoteRepository,
 
48
    )
 
49
from bzrlib.revision import NULL_REVISION
 
50
from bzrlib.smart import server, medium
 
51
from bzrlib.smart.client import _SmartClient
 
52
from bzrlib.symbol_versioning import one_four
 
53
from bzrlib.transport import get_transport, http
 
54
from bzrlib.transport.memory import MemoryTransport
 
55
from bzrlib.transport.remote import (
 
56
    RemoteTransport,
 
57
    RemoteSSHTransport,
 
58
    RemoteTCPTransport,
 
59
)
 
60
 
 
61
 
 
62
class BasicRemoteObjectTests(tests.TestCaseWithTransport):
 
63
 
 
64
    def setUp(self):
 
65
        self.transport_server = server.SmartTCPServer_for_testing
 
66
        super(BasicRemoteObjectTests, self).setUp()
 
67
        self.transport = self.get_transport()
 
68
        # make a branch that can be opened over the smart transport
 
69
        self.local_wt = BzrDir.create_standalone_workingtree('.')
 
70
 
 
71
    def tearDown(self):
 
72
        self.transport.disconnect()
 
73
        tests.TestCaseWithTransport.tearDown(self)
 
74
 
 
75
    def test_create_remote_bzrdir(self):
 
76
        b = remote.RemoteBzrDir(self.transport, remote.RemoteBzrDirFormat())
 
77
        self.assertIsInstance(b, BzrDir)
 
78
 
 
79
    def test_open_remote_branch(self):
 
80
        # open a standalone branch in the working directory
 
81
        b = remote.RemoteBzrDir(self.transport, remote.RemoteBzrDirFormat())
 
82
        branch = b.open_branch()
 
83
        self.assertIsInstance(branch, Branch)
 
84
 
 
85
    def test_remote_repository(self):
 
86
        b = BzrDir.open_from_transport(self.transport)
 
87
        repo = b.open_repository()
 
88
        revid = u'\xc823123123'.encode('utf8')
 
89
        self.assertFalse(repo.has_revision(revid))
 
90
        self.local_wt.commit(message='test commit', rev_id=revid)
 
91
        self.assertTrue(repo.has_revision(revid))
 
92
 
 
93
    def test_remote_branch_revision_history(self):
 
94
        b = BzrDir.open_from_transport(self.transport).open_branch()
 
95
        self.assertEqual([], b.revision_history())
 
96
        r1 = self.local_wt.commit('1st commit')
 
97
        r2 = self.local_wt.commit('1st commit', rev_id=u'\xc8'.encode('utf8'))
 
98
        self.assertEqual([r1, r2], b.revision_history())
 
99
 
 
100
    def test_find_correct_format(self):
 
101
        """Should open a RemoteBzrDir over a RemoteTransport"""
 
102
        fmt = BzrDirFormat.find_format(self.transport)
 
103
        self.assertTrue(RemoteBzrDirFormat
 
104
                        in BzrDirFormat._control_server_formats)
 
105
        self.assertIsInstance(fmt, remote.RemoteBzrDirFormat)
 
106
 
 
107
    def test_open_detected_smart_format(self):
 
108
        fmt = BzrDirFormat.find_format(self.transport)
 
109
        d = fmt.open(self.transport)
 
110
        self.assertIsInstance(d, BzrDir)
 
111
 
 
112
    def test_remote_branch_repr(self):
 
113
        b = BzrDir.open_from_transport(self.transport).open_branch()
 
114
        self.assertStartsWith(str(b), 'RemoteBranch(')
 
115
 
 
116
 
 
117
class FakeProtocol(object):
 
118
    """Lookalike SmartClientRequestProtocolOne allowing body reading tests."""
 
119
 
 
120
    def __init__(self, body, fake_client):
 
121
        self.body = body
 
122
        self._body_buffer = None
 
123
        self._fake_client = fake_client
 
124
 
 
125
    def read_body_bytes(self, count=-1):
 
126
        if self._body_buffer is None:
 
127
            self._body_buffer = StringIO(self.body)
 
128
        bytes = self._body_buffer.read(count)
 
129
        if self._body_buffer.tell() == len(self._body_buffer.getvalue()):
 
130
            self._fake_client.expecting_body = False
 
131
        return bytes
 
132
 
 
133
    def cancel_read_body(self):
 
134
        self._fake_client.expecting_body = False
 
135
 
 
136
    def read_streamed_body(self):
 
137
        return self.body
 
138
 
 
139
 
 
140
class FakeClient(_SmartClient):
 
141
    """Lookalike for _SmartClient allowing testing."""
 
142
 
 
143
    def __init__(self, fake_medium_base='fake base'):
 
144
        """Create a FakeClient."""
 
145
        self.responses = []
 
146
        self._calls = []
 
147
        self.expecting_body = False
 
148
        # if non-None, this is the list of expected calls, with only the
 
149
        # method name and arguments included.  the body might be hard to
 
150
        # compute so is not included. If a call is None, that call can
 
151
        # be anything.
 
152
        self._expected_calls = None
 
153
        _SmartClient.__init__(self, FakeMedium(self._calls, fake_medium_base))
 
154
 
 
155
    def add_expected_call(self, call_name, call_args, response_type,
 
156
        response_args, response_body=None):
 
157
        if self._expected_calls is None:
 
158
            self._expected_calls = []
 
159
        self._expected_calls.append((call_name, call_args))
 
160
        self.responses.append((response_type, response_args, response_body))
 
161
 
 
162
    def add_success_response(self, *args):
 
163
        self.responses.append(('success', args, None))
 
164
 
 
165
    def add_success_response_with_body(self, body, *args):
 
166
        self.responses.append(('success', args, body))
 
167
        if self._expected_calls is not None:
 
168
            self._expected_calls.append(None)
 
169
 
 
170
    def add_error_response(self, *args):
 
171
        self.responses.append(('error', args))
 
172
 
 
173
    def add_unknown_method_response(self, verb):
 
174
        self.responses.append(('unknown', verb))
 
175
 
 
176
    def finished_test(self):
 
177
        if self._expected_calls:
 
178
            raise AssertionError("%r finished but was still expecting %r"
 
179
                % (self, self._expected_calls[0]))
 
180
 
 
181
    def _get_next_response(self):
 
182
        try:
 
183
            response_tuple = self.responses.pop(0)
 
184
        except IndexError, e:
 
185
            raise AssertionError("%r didn't expect any more calls"
 
186
                % (self,))
 
187
        if response_tuple[0] == 'unknown':
 
188
            raise errors.UnknownSmartMethod(response_tuple[1])
 
189
        elif response_tuple[0] == 'error':
 
190
            raise errors.ErrorFromSmartServer(response_tuple[1])
 
191
        return response_tuple
 
192
 
 
193
    def _check_call(self, method, args):
 
194
        if self._expected_calls is None:
 
195
            # the test should be updated to say what it expects
 
196
            return
 
197
        try:
 
198
            next_call = self._expected_calls.pop(0)
 
199
        except IndexError:
 
200
            raise AssertionError("%r didn't expect any more calls "
 
201
                "but got %r%r"
 
202
                % (self, method, args,))
 
203
        if next_call is None:
 
204
            return
 
205
        if method != next_call[0] or args != next_call[1]:
 
206
            raise AssertionError("%r expected %r%r "
 
207
                "but got %r%r"
 
208
                % (self, next_call[0], next_call[1], method, args,))
 
209
 
 
210
    def call(self, method, *args):
 
211
        self._check_call(method, args)
 
212
        self._calls.append(('call', method, args))
 
213
        return self._get_next_response()[1]
 
214
 
 
215
    def call_expecting_body(self, method, *args):
 
216
        self._check_call(method, args)
 
217
        self._calls.append(('call_expecting_body', method, args))
 
218
        result = self._get_next_response()
 
219
        self.expecting_body = True
 
220
        return result[1], FakeProtocol(result[2], self)
 
221
 
 
222
    def call_with_body_bytes_expecting_body(self, method, args, body):
 
223
        self._check_call(method, args)
 
224
        self._calls.append(('call_with_body_bytes_expecting_body', method,
 
225
            args, body))
 
226
        result = self._get_next_response()
 
227
        self.expecting_body = True
 
228
        return result[1], FakeProtocol(result[2], self)
 
229
 
 
230
    def call_with_body_stream(self, args, stream):
 
231
        # Explicitly consume the stream before checking for an error, because
 
232
        # that's what happens a real medium.
 
233
        stream = list(stream)
 
234
        self._check_call(args[0], args[1:])
 
235
        self._calls.append(('call_with_body_stream', args[0], args[1:], stream))
 
236
        return self._get_next_response()[1]
 
237
 
 
238
 
 
239
class FakeMedium(medium.SmartClientMedium):
 
240
 
 
241
    def __init__(self, client_calls, base):
 
242
        medium.SmartClientMedium.__init__(self, base)
 
243
        self._client_calls = client_calls
 
244
 
 
245
    def disconnect(self):
 
246
        self._client_calls.append(('disconnect medium',))
 
247
 
 
248
 
 
249
class TestVfsHas(tests.TestCase):
 
250
 
 
251
    def test_unicode_path(self):
 
252
        client = FakeClient('/')
 
253
        client.add_success_response('yes',)
 
254
        transport = RemoteTransport('bzr://localhost/', _client=client)
 
255
        filename = u'/hell\u00d8'.encode('utf8')
 
256
        result = transport.has(filename)
 
257
        self.assertEqual(
 
258
            [('call', 'has', (filename,))],
 
259
            client._calls)
 
260
        self.assertTrue(result)
 
261
 
 
262
 
 
263
class TestRemote(tests.TestCaseWithMemoryTransport):
 
264
 
 
265
    def disable_verb(self, verb):
 
266
        """Disable a verb for one test."""
 
267
        request_handlers = smart.request.request_handlers
 
268
        orig_method = request_handlers.get(verb)
 
269
        request_handlers.remove(verb)
 
270
        def restoreVerb():
 
271
            request_handlers.register(verb, orig_method)
 
272
        self.addCleanup(restoreVerb)
 
273
 
 
274
 
 
275
class Test_ClientMedium_remote_path_from_transport(tests.TestCase):
 
276
    """Tests for the behaviour of client_medium.remote_path_from_transport."""
 
277
 
 
278
    def assertRemotePath(self, expected, client_base, transport_base):
 
279
        """Assert that the result of
 
280
        SmartClientMedium.remote_path_from_transport is the expected value for
 
281
        a given client_base and transport_base.
 
282
        """
 
283
        client_medium = medium.SmartClientMedium(client_base)
 
284
        transport = get_transport(transport_base)
 
285
        result = client_medium.remote_path_from_transport(transport)
 
286
        self.assertEqual(expected, result)
 
287
 
 
288
    def test_remote_path_from_transport(self):
 
289
        """SmartClientMedium.remote_path_from_transport calculates a URL for
 
290
        the given transport relative to the root of the client base URL.
 
291
        """
 
292
        self.assertRemotePath('xyz/', 'bzr://host/path', 'bzr://host/xyz')
 
293
        self.assertRemotePath(
 
294
            'path/xyz/', 'bzr://host/path', 'bzr://host/path/xyz')
 
295
 
 
296
    def assertRemotePathHTTP(self, expected, transport_base, relpath):
 
297
        """Assert that the result of
 
298
        HttpTransportBase.remote_path_from_transport is the expected value for
 
299
        a given transport_base and relpath of that transport.  (Note that
 
300
        HttpTransportBase is a subclass of SmartClientMedium)
 
301
        """
 
302
        base_transport = get_transport(transport_base)
 
303
        client_medium = base_transport.get_smart_medium()
 
304
        cloned_transport = base_transport.clone(relpath)
 
305
        result = client_medium.remote_path_from_transport(cloned_transport)
 
306
        self.assertEqual(expected, result)
 
307
 
 
308
    def test_remote_path_from_transport_http(self):
 
309
        """Remote paths for HTTP transports are calculated differently to other
 
310
        transports.  They are just relative to the client base, not the root
 
311
        directory of the host.
 
312
        """
 
313
        for scheme in ['http:', 'https:', 'bzr+http:', 'bzr+https:']:
 
314
            self.assertRemotePathHTTP(
 
315
                '../xyz/', scheme + '//host/path', '../xyz/')
 
316
            self.assertRemotePathHTTP(
 
317
                'xyz/', scheme + '//host/path', 'xyz/')
 
318
 
 
319
 
 
320
class Test_ClientMedium_remote_is_at_least(tests.TestCase):
 
321
    """Tests for the behaviour of client_medium.remote_is_at_least."""
 
322
 
 
323
    def test_initially_unlimited(self):
 
324
        """A fresh medium assumes that the remote side supports all
 
325
        versions.
 
326
        """
 
327
        client_medium = medium.SmartClientMedium('dummy base')
 
328
        self.assertFalse(client_medium._is_remote_before((99, 99)))
 
329
 
 
330
    def test__remember_remote_is_before(self):
 
331
        """Calling _remember_remote_is_before ratchets down the known remote
 
332
        version.
 
333
        """
 
334
        client_medium = medium.SmartClientMedium('dummy base')
 
335
        # Mark the remote side as being less than 1.6.  The remote side may
 
336
        # still be 1.5.
 
337
        client_medium._remember_remote_is_before((1, 6))
 
338
        self.assertTrue(client_medium._is_remote_before((1, 6)))
 
339
        self.assertFalse(client_medium._is_remote_before((1, 5)))
 
340
        # Calling _remember_remote_is_before again with a lower value works.
 
341
        client_medium._remember_remote_is_before((1, 5))
 
342
        self.assertTrue(client_medium._is_remote_before((1, 5)))
 
343
        # You cannot call _remember_remote_is_before with a larger value.
 
344
        self.assertRaises(
 
345
            AssertionError, client_medium._remember_remote_is_before, (1, 9))
 
346
 
 
347
 
 
348
class TestBzrDirOpenBranch(tests.TestCase):
 
349
 
 
350
    def test_branch_present(self):
 
351
        transport = MemoryTransport()
 
352
        transport.mkdir('quack')
 
353
        transport = transport.clone('quack')
 
354
        client = FakeClient(transport.base)
 
355
        client.add_expected_call(
 
356
            'BzrDir.open_branch', ('quack/',),
 
357
            'success', ('ok', ''))
 
358
        client.add_expected_call(
 
359
            'BzrDir.find_repositoryV2', ('quack/',),
 
360
            'success', ('ok', '', 'no', 'no', 'no'))
 
361
        client.add_expected_call(
 
362
            'Branch.get_stacked_on_url', ('quack/',),
 
363
            'error', ('NotStacked',))
 
364
        bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
 
365
            _client=client)
 
366
        result = bzrdir.open_branch()
 
367
        self.assertIsInstance(result, RemoteBranch)
 
368
        self.assertEqual(bzrdir, result.bzrdir)
 
369
        client.finished_test()
 
370
 
 
371
    def test_branch_missing(self):
 
372
        transport = MemoryTransport()
 
373
        transport.mkdir('quack')
 
374
        transport = transport.clone('quack')
 
375
        client = FakeClient(transport.base)
 
376
        client.add_error_response('nobranch')
 
377
        bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
 
378
            _client=client)
 
379
        self.assertRaises(errors.NotBranchError, bzrdir.open_branch)
 
380
        self.assertEqual(
 
381
            [('call', 'BzrDir.open_branch', ('quack/',))],
 
382
            client._calls)
 
383
 
 
384
    def test__get_tree_branch(self):
 
385
        # _get_tree_branch is a form of open_branch, but it should only ask for
 
386
        # branch opening, not any other network requests.
 
387
        calls = []
 
388
        def open_branch():
 
389
            calls.append("Called")
 
390
            return "a-branch"
 
391
        transport = MemoryTransport()
 
392
        # no requests on the network - catches other api calls being made.
 
393
        client = FakeClient(transport.base)
 
394
        bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
 
395
            _client=client)
 
396
        # patch the open_branch call to record that it was called.
 
397
        bzrdir.open_branch = open_branch
 
398
        self.assertEqual((None, "a-branch"), bzrdir._get_tree_branch())
 
399
        self.assertEqual(["Called"], calls)
 
400
        self.assertEqual([], client._calls)
 
401
 
 
402
    def test_url_quoting_of_path(self):
 
403
        # Relpaths on the wire should not be URL-escaped.  So "~" should be
 
404
        # transmitted as "~", not "%7E".
 
405
        transport = RemoteTCPTransport('bzr://localhost/~hello/')
 
406
        client = FakeClient(transport.base)
 
407
        client.add_expected_call(
 
408
            'BzrDir.open_branch', ('~hello/',),
 
409
            'success', ('ok', ''))
 
410
        client.add_expected_call(
 
411
            'BzrDir.find_repositoryV2', ('~hello/',),
 
412
            'success', ('ok', '', 'no', 'no', 'no'))
 
413
        client.add_expected_call(
 
414
            'Branch.get_stacked_on_url', ('~hello/',),
 
415
            'error', ('NotStacked',))
 
416
        bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
 
417
            _client=client)
 
418
        result = bzrdir.open_branch()
 
419
        client.finished_test()
 
420
 
 
421
    def check_open_repository(self, rich_root, subtrees, external_lookup='no'):
 
422
        transport = MemoryTransport()
 
423
        transport.mkdir('quack')
 
424
        transport = transport.clone('quack')
 
425
        if rich_root:
 
426
            rich_response = 'yes'
 
427
        else:
 
428
            rich_response = 'no'
 
429
        if subtrees:
 
430
            subtree_response = 'yes'
 
431
        else:
 
432
            subtree_response = 'no'
 
433
        client = FakeClient(transport.base)
 
434
        client.add_success_response(
 
435
            'ok', '', rich_response, subtree_response, external_lookup)
 
436
        bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
 
437
            _client=client)
 
438
        result = bzrdir.open_repository()
 
439
        self.assertEqual(
 
440
            [('call', 'BzrDir.find_repositoryV2', ('quack/',))],
 
441
            client._calls)
 
442
        self.assertIsInstance(result, RemoteRepository)
 
443
        self.assertEqual(bzrdir, result.bzrdir)
 
444
        self.assertEqual(rich_root, result._format.rich_root_data)
 
445
        self.assertEqual(subtrees, result._format.supports_tree_reference)
 
446
 
 
447
    def test_open_repository_sets_format_attributes(self):
 
448
        self.check_open_repository(True, True)
 
449
        self.check_open_repository(False, True)
 
450
        self.check_open_repository(True, False)
 
451
        self.check_open_repository(False, False)
 
452
        self.check_open_repository(False, False, 'yes')
 
453
 
 
454
    def test_old_server(self):
 
455
        """RemoteBzrDirFormat should fail to probe if the server version is too
 
456
        old.
 
457
        """
 
458
        self.assertRaises(errors.NotBranchError,
 
459
            RemoteBzrDirFormat.probe_transport, OldServerTransport())
 
460
 
 
461
 
 
462
class TestBzrDirCreateRepository(TestRemote):
 
463
 
 
464
    def test_backwards_compat(self):
 
465
        self.setup_smart_server_with_call_log()
 
466
        bzrdir = self.make_bzrdir('.')
 
467
        self.reset_smart_call_log()
 
468
        self.disable_verb('BzrDir.create_repository')
 
469
        repo = bzrdir.create_repository()
 
470
        create_repo_call_count = len([call for call in self.hpss_calls if
 
471
            call[0].method == 'BzrDir.create_repository'])
 
472
        self.assertEqual(1, create_repo_call_count)
 
473
 
 
474
    def test_current_server(self):
 
475
        transport = self.get_transport('.')
 
476
        transport = transport.clone('quack')
 
477
        self.make_bzrdir('quack')
 
478
        client = FakeClient(transport.base)
 
479
        reference_bzrdir_format = bzrdir.format_registry.get('default')()
 
480
        reference_format = reference_bzrdir_format.repository_format
 
481
        network_name = reference_format.network_name()
 
482
        client.add_expected_call(
 
483
            'BzrDir.create_repository', ('quack/',
 
484
                'Bazaar pack repository format 1 (needs bzr 0.92)\n', 'False'),
 
485
            'success', ('ok', 'no', 'no', 'no', network_name))
 
486
        a_bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
 
487
            _client=client)
 
488
        repo = a_bzrdir.create_repository()
 
489
        # We should have got a remote repository
 
490
        self.assertIsInstance(repo, remote.RemoteRepository)
 
491
        # its format should have the settings from the response
 
492
        format = repo._format
 
493
        self.assertFalse(format.rich_root_data)
 
494
        self.assertFalse(format.supports_tree_reference)
 
495
        self.assertFalse(format.supports_external_lookups)
 
496
        self.assertEqual(network_name, format.network_name())
 
497
 
 
498
 
 
499
class TestBzrDirOpenRepository(tests.TestCase):
 
500
 
 
501
    def test_backwards_compat_1_2(self):
 
502
        transport = MemoryTransport()
 
503
        transport.mkdir('quack')
 
504
        transport = transport.clone('quack')
 
505
        client = FakeClient(transport.base)
 
506
        client.add_unknown_method_response('BzrDir.find_repositoryV2')
 
507
        client.add_success_response('ok', '', 'no', 'no')
 
508
        bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
 
509
            _client=client)
 
510
        repo = bzrdir.open_repository()
 
511
        self.assertEqual(
 
512
            [('call', 'BzrDir.find_repositoryV2', ('quack/',)),
 
513
             ('call', 'BzrDir.find_repository', ('quack/',))],
 
514
            client._calls)
 
515
 
 
516
 
 
517
class OldSmartClient(object):
 
518
    """A fake smart client for test_old_version that just returns a version one
 
519
    response to the 'hello' (query version) command.
 
520
    """
 
521
 
 
522
    def get_request(self):
 
523
        input_file = StringIO('ok\x011\n')
 
524
        output_file = StringIO()
 
525
        client_medium = medium.SmartSimplePipesClientMedium(
 
526
            input_file, output_file)
 
527
        return medium.SmartClientStreamMediumRequest(client_medium)
 
528
 
 
529
    def protocol_version(self):
 
530
        return 1
 
531
 
 
532
 
 
533
class OldServerTransport(object):
 
534
    """A fake transport for test_old_server that reports it's smart server
 
535
    protocol version as version one.
 
536
    """
 
537
 
 
538
    def __init__(self):
 
539
        self.base = 'fake:'
 
540
 
 
541
    def get_smart_client(self):
 
542
        return OldSmartClient()
 
543
 
 
544
 
 
545
class RemoteBranchTestCase(tests.TestCase):
 
546
 
 
547
    def make_remote_branch(self, transport, client):
 
548
        """Make a RemoteBranch using 'client' as its _SmartClient.
 
549
 
 
550
        A RemoteBzrDir and RemoteRepository will also be created to fill out
 
551
        the RemoteBranch, albeit with stub values for some of their attributes.
 
552
        """
 
553
        # we do not want bzrdir to make any remote calls, so use False as its
 
554
        # _client.  If it tries to make a remote call, this will fail
 
555
        # immediately.
 
556
        bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
 
557
            _client=False)
 
558
        repo = RemoteRepository(bzrdir, None, _client=client)
 
559
        return RemoteBranch(bzrdir, repo, _client=client)
 
560
 
 
561
 
 
562
class TestBranchLastRevisionInfo(RemoteBranchTestCase):
 
563
 
 
564
    def test_empty_branch(self):
 
565
        # in an empty branch we decode the response properly
 
566
        transport = MemoryTransport()
 
567
        client = FakeClient(transport.base)
 
568
        client.add_expected_call(
 
569
            'Branch.get_stacked_on_url', ('quack/',),
 
570
            'error', ('NotStacked',))
 
571
        client.add_expected_call(
 
572
            'Branch.last_revision_info', ('quack/',),
 
573
            'success', ('ok', '0', 'null:'))
 
574
        transport.mkdir('quack')
 
575
        transport = transport.clone('quack')
 
576
        branch = self.make_remote_branch(transport, client)
 
577
        result = branch.last_revision_info()
 
578
        client.finished_test()
 
579
        self.assertEqual((0, NULL_REVISION), result)
 
580
 
 
581
    def test_non_empty_branch(self):
 
582
        # in a non-empty branch we also decode the response properly
 
583
        revid = u'\xc8'.encode('utf8')
 
584
        transport = MemoryTransport()
 
585
        client = FakeClient(transport.base)
 
586
        client.add_expected_call(
 
587
            'Branch.get_stacked_on_url', ('kwaak/',),
 
588
            'error', ('NotStacked',))
 
589
        client.add_expected_call(
 
590
            'Branch.last_revision_info', ('kwaak/',),
 
591
            'success', ('ok', '2', revid))
 
592
        transport.mkdir('kwaak')
 
593
        transport = transport.clone('kwaak')
 
594
        branch = self.make_remote_branch(transport, client)
 
595
        result = branch.last_revision_info()
 
596
        self.assertEqual((2, revid), result)
 
597
 
 
598
 
 
599
class TestBranch_get_stacked_on_url(tests.TestCaseWithMemoryTransport):
 
600
    """Test Branch._get_stacked_on_url rpc"""
 
601
 
 
602
    def test_get_stacked_on_invalid_url(self):
 
603
        # test that asking for a stacked on url the server can't access works.
 
604
        # This isn't perfect, but then as we're in the same process there
 
605
        # really isn't anything we can do to be 100% sure that the server
 
606
        # doesn't just open in - this test probably needs to be rewritten using
 
607
        # a spawn()ed server.
 
608
        stacked_branch = self.make_branch('stacked', format='1.9')
 
609
        memory_branch = self.make_branch('base', format='1.9')
 
610
        vfs_url = self.get_vfs_only_url('base')
 
611
        stacked_branch.set_stacked_on_url(vfs_url)
 
612
        transport = stacked_branch.bzrdir.root_transport
 
613
        client = FakeClient(transport.base)
 
614
        client.add_expected_call(
 
615
            'Branch.get_stacked_on_url', ('stacked/',),
 
616
            'success', ('ok', vfs_url))
 
617
        # XXX: Multiple calls are bad, this second call documents what is
 
618
        # today.
 
619
        client.add_expected_call(
 
620
            'Branch.get_stacked_on_url', ('stacked/',),
 
621
            'success', ('ok', vfs_url))
 
622
        bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
 
623
            _client=client)
 
624
        branch = RemoteBranch(bzrdir, RemoteRepository(bzrdir, None),
 
625
            _client=client)
 
626
        result = branch.get_stacked_on_url()
 
627
        self.assertEqual(vfs_url, result)
 
628
 
 
629
    def test_backwards_compatible(self):
 
630
        # like with bzr1.6 with no Branch.get_stacked_on_url rpc
 
631
        base_branch = self.make_branch('base', format='1.6')
 
632
        stacked_branch = self.make_branch('stacked', format='1.6')
 
633
        stacked_branch.set_stacked_on_url('../base')
 
634
        client = FakeClient(self.get_url())
 
635
        client.add_expected_call(
 
636
            'BzrDir.open_branch', ('stacked/',),
 
637
            'success', ('ok', ''))
 
638
        client.add_expected_call(
 
639
            'BzrDir.find_repositoryV2', ('stacked/',),
 
640
            'success', ('ok', '', 'no', 'no', 'no'))
 
641
        # called twice, once from constructor and then again by us
 
642
        client.add_expected_call(
 
643
            'Branch.get_stacked_on_url', ('stacked/',),
 
644
            'unknown', ('Branch.get_stacked_on_url',))
 
645
        client.add_expected_call(
 
646
            'Branch.get_stacked_on_url', ('stacked/',),
 
647
            'unknown', ('Branch.get_stacked_on_url',))
 
648
        # this will also do vfs access, but that goes direct to the transport
 
649
        # and isn't seen by the FakeClient.
 
650
        bzrdir = RemoteBzrDir(self.get_transport('stacked'),
 
651
            remote.RemoteBzrDirFormat(), _client=client)
 
652
        branch = bzrdir.open_branch()
 
653
        result = branch.get_stacked_on_url()
 
654
        self.assertEqual('../base', result)
 
655
        client.finished_test()
 
656
        # it's in the fallback list both for the RemoteRepository and its vfs
 
657
        # repository
 
658
        self.assertEqual(1, len(branch.repository._fallback_repositories))
 
659
        self.assertEqual(1,
 
660
            len(branch.repository._real_repository._fallback_repositories))
 
661
 
 
662
    def test_get_stacked_on_real_branch(self):
 
663
        base_branch = self.make_branch('base', format='1.6')
 
664
        stacked_branch = self.make_branch('stacked', format='1.6')
 
665
        stacked_branch.set_stacked_on_url('../base')
 
666
        client = FakeClient(self.get_url())
 
667
        client.add_expected_call(
 
668
            'BzrDir.open_branch', ('stacked/',),
 
669
            'success', ('ok', ''))
 
670
        client.add_expected_call(
 
671
            'BzrDir.find_repositoryV2', ('stacked/',),
 
672
            'success', ('ok', '', 'no', 'no', 'no'))
 
673
        # called twice, once from constructor and then again by us
 
674
        client.add_expected_call(
 
675
            'Branch.get_stacked_on_url', ('stacked/',),
 
676
            'success', ('ok', '../base'))
 
677
        client.add_expected_call(
 
678
            'Branch.get_stacked_on_url', ('stacked/',),
 
679
            'success', ('ok', '../base'))
 
680
        bzrdir = RemoteBzrDir(self.get_transport('stacked'),
 
681
            remote.RemoteBzrDirFormat(), _client=client)
 
682
        branch = bzrdir.open_branch()
 
683
        result = branch.get_stacked_on_url()
 
684
        self.assertEqual('../base', result)
 
685
        client.finished_test()
 
686
        # it's in the fallback list both for the RemoteRepository and its vfs
 
687
        # repository
 
688
        self.assertEqual(1, len(branch.repository._fallback_repositories))
 
689
        self.assertEqual(1,
 
690
            len(branch.repository._real_repository._fallback_repositories))
 
691
 
 
692
 
 
693
class TestBranchSetLastRevision(RemoteBranchTestCase):
 
694
 
 
695
    def test_set_empty(self):
 
696
        # set_revision_history([]) is translated to calling
 
697
        # Branch.set_last_revision(path, '') on the wire.
 
698
        transport = MemoryTransport()
 
699
        transport.mkdir('branch')
 
700
        transport = transport.clone('branch')
 
701
 
 
702
        client = FakeClient(transport.base)
 
703
        client.add_expected_call(
 
704
            'Branch.get_stacked_on_url', ('branch/',),
 
705
            'error', ('NotStacked',))
 
706
        client.add_expected_call(
 
707
            'Branch.lock_write', ('branch/', '', ''),
 
708
            'success', ('ok', 'branch token', 'repo token'))
 
709
        client.add_expected_call(
 
710
            'Branch.last_revision_info',
 
711
            ('branch/',),
 
712
            'success', ('ok', '0', 'null:'))
 
713
        client.add_expected_call(
 
714
            'Branch.set_last_revision', ('branch/', 'branch token', 'repo token', 'null:',),
 
715
            'success', ('ok',))
 
716
        client.add_expected_call(
 
717
            'Branch.unlock', ('branch/', 'branch token', 'repo token'),
 
718
            'success', ('ok',))
 
719
        branch = self.make_remote_branch(transport, client)
 
720
        # This is a hack to work around the problem that RemoteBranch currently
 
721
        # unnecessarily invokes _ensure_real upon a call to lock_write.
 
722
        branch._ensure_real = lambda: None
 
723
        branch.lock_write()
 
724
        result = branch.set_revision_history([])
 
725
        branch.unlock()
 
726
        self.assertEqual(None, result)
 
727
        client.finished_test()
 
728
 
 
729
    def test_set_nonempty(self):
 
730
        # set_revision_history([rev-id1, ..., rev-idN]) is translated to calling
 
731
        # Branch.set_last_revision(path, rev-idN) on the wire.
 
732
        transport = MemoryTransport()
 
733
        transport.mkdir('branch')
 
734
        transport = transport.clone('branch')
 
735
 
 
736
        client = FakeClient(transport.base)
 
737
        client.add_expected_call(
 
738
            'Branch.get_stacked_on_url', ('branch/',),
 
739
            'error', ('NotStacked',))
 
740
        client.add_expected_call(
 
741
            'Branch.lock_write', ('branch/', '', ''),
 
742
            'success', ('ok', 'branch token', 'repo token'))
 
743
        client.add_expected_call(
 
744
            'Branch.last_revision_info',
 
745
            ('branch/',),
 
746
            'success', ('ok', '0', 'null:'))
 
747
        lines = ['rev-id2']
 
748
        encoded_body = bz2.compress('\n'.join(lines))
 
749
        client.add_success_response_with_body(encoded_body, 'ok')
 
750
        client.add_expected_call(
 
751
            'Branch.set_last_revision', ('branch/', 'branch token', 'repo token', 'rev-id2',),
 
752
            'success', ('ok',))
 
753
        client.add_expected_call(
 
754
            'Branch.unlock', ('branch/', 'branch token', 'repo token'),
 
755
            'success', ('ok',))
 
756
        branch = self.make_remote_branch(transport, client)
 
757
        # This is a hack to work around the problem that RemoteBranch currently
 
758
        # unnecessarily invokes _ensure_real upon a call to lock_write.
 
759
        branch._ensure_real = lambda: None
 
760
        # Lock the branch, reset the record of remote calls.
 
761
        branch.lock_write()
 
762
        result = branch.set_revision_history(['rev-id1', 'rev-id2'])
 
763
        branch.unlock()
 
764
        self.assertEqual(None, result)
 
765
        client.finished_test()
 
766
 
 
767
    def test_no_such_revision(self):
 
768
        transport = MemoryTransport()
 
769
        transport.mkdir('branch')
 
770
        transport = transport.clone('branch')
 
771
        # A response of 'NoSuchRevision' is translated into an exception.
 
772
        client = FakeClient(transport.base)
 
773
        client.add_expected_call(
 
774
            'Branch.get_stacked_on_url', ('branch/',),
 
775
            'error', ('NotStacked',))
 
776
        client.add_expected_call(
 
777
            'Branch.lock_write', ('branch/', '', ''),
 
778
            'success', ('ok', 'branch token', 'repo token'))
 
779
        client.add_expected_call(
 
780
            'Branch.last_revision_info',
 
781
            ('branch/',),
 
782
            'success', ('ok', '0', 'null:'))
 
783
        # get_graph calls to construct the revision history, for the set_rh
 
784
        # hook
 
785
        lines = ['rev-id']
 
786
        encoded_body = bz2.compress('\n'.join(lines))
 
787
        client.add_success_response_with_body(encoded_body, 'ok')
 
788
        client.add_expected_call(
 
789
            'Branch.set_last_revision', ('branch/', 'branch token', 'repo token', 'rev-id',),
 
790
            'error', ('NoSuchRevision', 'rev-id'))
 
791
        client.add_expected_call(
 
792
            'Branch.unlock', ('branch/', 'branch token', 'repo token'),
 
793
            'success', ('ok',))
 
794
 
 
795
        branch = self.make_remote_branch(transport, client)
 
796
        branch.lock_write()
 
797
        self.assertRaises(
 
798
            errors.NoSuchRevision, branch.set_revision_history, ['rev-id'])
 
799
        branch.unlock()
 
800
        client.finished_test()
 
801
 
 
802
    def test_tip_change_rejected(self):
 
803
        """TipChangeRejected responses cause a TipChangeRejected exception to
 
804
        be raised.
 
805
        """
 
806
        transport = MemoryTransport()
 
807
        transport.mkdir('branch')
 
808
        transport = transport.clone('branch')
 
809
        client = FakeClient(transport.base)
 
810
        rejection_msg_unicode = u'rejection message\N{INTERROBANG}'
 
811
        rejection_msg_utf8 = rejection_msg_unicode.encode('utf8')
 
812
        client.add_expected_call(
 
813
            'Branch.get_stacked_on_url', ('branch/',),
 
814
            'error', ('NotStacked',))
 
815
        client.add_expected_call(
 
816
            'Branch.lock_write', ('branch/', '', ''),
 
817
            'success', ('ok', 'branch token', 'repo token'))
 
818
        client.add_expected_call(
 
819
            'Branch.last_revision_info',
 
820
            ('branch/',),
 
821
            'success', ('ok', '0', 'null:'))
 
822
        lines = ['rev-id']
 
823
        encoded_body = bz2.compress('\n'.join(lines))
 
824
        client.add_success_response_with_body(encoded_body, 'ok')
 
825
        client.add_expected_call(
 
826
            'Branch.set_last_revision', ('branch/', 'branch token', 'repo token', 'rev-id',),
 
827
            'error', ('TipChangeRejected', rejection_msg_utf8))
 
828
        client.add_expected_call(
 
829
            'Branch.unlock', ('branch/', 'branch token', 'repo token'),
 
830
            'success', ('ok',))
 
831
        branch = self.make_remote_branch(transport, client)
 
832
        branch._ensure_real = lambda: None
 
833
        branch.lock_write()
 
834
        self.addCleanup(branch.unlock)
 
835
        # The 'TipChangeRejected' error response triggered by calling
 
836
        # set_revision_history causes a TipChangeRejected exception.
 
837
        err = self.assertRaises(
 
838
            errors.TipChangeRejected, branch.set_revision_history, ['rev-id'])
 
839
        # The UTF-8 message from the response has been decoded into a unicode
 
840
        # object.
 
841
        self.assertIsInstance(err.msg, unicode)
 
842
        self.assertEqual(rejection_msg_unicode, err.msg)
 
843
        branch.unlock()
 
844
        client.finished_test()
 
845
 
 
846
 
 
847
class TestBranchSetLastRevisionInfo(RemoteBranchTestCase):
 
848
 
 
849
    def test_set_last_revision_info(self):
 
850
        # set_last_revision_info(num, 'rev-id') is translated to calling
 
851
        # Branch.set_last_revision_info(num, 'rev-id') on the wire.
 
852
        transport = MemoryTransport()
 
853
        transport.mkdir('branch')
 
854
        transport = transport.clone('branch')
 
855
        client = FakeClient(transport.base)
 
856
        # get_stacked_on_url
 
857
        client.add_error_response('NotStacked')
 
858
        # lock_write
 
859
        client.add_success_response('ok', 'branch token', 'repo token')
 
860
        # query the current revision
 
861
        client.add_success_response('ok', '0', 'null:')
 
862
        # set_last_revision
 
863
        client.add_success_response('ok')
 
864
        # unlock
 
865
        client.add_success_response('ok')
 
866
 
 
867
        branch = self.make_remote_branch(transport, client)
 
868
        # Lock the branch, reset the record of remote calls.
 
869
        branch.lock_write()
 
870
        client._calls = []
 
871
        result = branch.set_last_revision_info(1234, 'a-revision-id')
 
872
        self.assertEqual(
 
873
            [('call', 'Branch.last_revision_info', ('branch/',)),
 
874
             ('call', 'Branch.set_last_revision_info',
 
875
                ('branch/', 'branch token', 'repo token',
 
876
                 '1234', 'a-revision-id'))],
 
877
            client._calls)
 
878
        self.assertEqual(None, result)
 
879
 
 
880
    def test_no_such_revision(self):
 
881
        # A response of 'NoSuchRevision' is translated into an exception.
 
882
        transport = MemoryTransport()
 
883
        transport.mkdir('branch')
 
884
        transport = transport.clone('branch')
 
885
        client = FakeClient(transport.base)
 
886
        # get_stacked_on_url
 
887
        client.add_error_response('NotStacked')
 
888
        # lock_write
 
889
        client.add_success_response('ok', 'branch token', 'repo token')
 
890
        # set_last_revision
 
891
        client.add_error_response('NoSuchRevision', 'revid')
 
892
        # unlock
 
893
        client.add_success_response('ok')
 
894
 
 
895
        branch = self.make_remote_branch(transport, client)
 
896
        # Lock the branch, reset the record of remote calls.
 
897
        branch.lock_write()
 
898
        client._calls = []
 
899
 
 
900
        self.assertRaises(
 
901
            errors.NoSuchRevision, branch.set_last_revision_info, 123, 'revid')
 
902
        branch.unlock()
 
903
 
 
904
    def lock_remote_branch(self, branch):
 
905
        """Trick a RemoteBranch into thinking it is locked."""
 
906
        branch._lock_mode = 'w'
 
907
        branch._lock_count = 2
 
908
        branch._lock_token = 'branch token'
 
909
        branch._repo_lock_token = 'repo token'
 
910
        branch.repository._lock_mode = 'w'
 
911
        branch.repository._lock_count = 2
 
912
        branch.repository._lock_token = 'repo token'
 
913
 
 
914
    def test_backwards_compatibility(self):
 
915
        """If the server does not support the Branch.set_last_revision_info
 
916
        verb (which is new in 1.4), then the client falls back to VFS methods.
 
917
        """
 
918
        # This test is a little messy.  Unlike most tests in this file, it
 
919
        # doesn't purely test what a Remote* object sends over the wire, and
 
920
        # how it reacts to responses from the wire.  It instead relies partly
 
921
        # on asserting that the RemoteBranch will call
 
922
        # self._real_branch.set_last_revision_info(...).
 
923
 
 
924
        # First, set up our RemoteBranch with a FakeClient that raises
 
925
        # UnknownSmartMethod, and a StubRealBranch that logs how it is called.
 
926
        transport = MemoryTransport()
 
927
        transport.mkdir('branch')
 
928
        transport = transport.clone('branch')
 
929
        client = FakeClient(transport.base)
 
930
        client.add_expected_call(
 
931
            'Branch.get_stacked_on_url', ('branch/',),
 
932
            'error', ('NotStacked',))
 
933
        client.add_expected_call(
 
934
            'Branch.last_revision_info',
 
935
            ('branch/',),
 
936
            'success', ('ok', '0', 'null:'))
 
937
        client.add_expected_call(
 
938
            'Branch.set_last_revision_info',
 
939
            ('branch/', 'branch token', 'repo token', '1234', 'a-revision-id',),
 
940
            'unknown', 'Branch.set_last_revision_info')
 
941
 
 
942
        branch = self.make_remote_branch(transport, client)
 
943
        class StubRealBranch(object):
 
944
            def __init__(self):
 
945
                self.calls = []
 
946
            def set_last_revision_info(self, revno, revision_id):
 
947
                self.calls.append(
 
948
                    ('set_last_revision_info', revno, revision_id))
 
949
            def _clear_cached_state(self):
 
950
                pass
 
951
        real_branch = StubRealBranch()
 
952
        branch._real_branch = real_branch
 
953
        self.lock_remote_branch(branch)
 
954
 
 
955
        # Call set_last_revision_info, and verify it behaved as expected.
 
956
        result = branch.set_last_revision_info(1234, 'a-revision-id')
 
957
        self.assertEqual(
 
958
            [('set_last_revision_info', 1234, 'a-revision-id')],
 
959
            real_branch.calls)
 
960
        client.finished_test()
 
961
 
 
962
    def test_unexpected_error(self):
 
963
        # If the server sends an error the client doesn't understand, it gets
 
964
        # turned into an UnknownErrorFromSmartServer, which is presented as a
 
965
        # non-internal error to the user.
 
966
        transport = MemoryTransport()
 
967
        transport.mkdir('branch')
 
968
        transport = transport.clone('branch')
 
969
        client = FakeClient(transport.base)
 
970
        # get_stacked_on_url
 
971
        client.add_error_response('NotStacked')
 
972
        # lock_write
 
973
        client.add_success_response('ok', 'branch token', 'repo token')
 
974
        # set_last_revision
 
975
        client.add_error_response('UnexpectedError')
 
976
        # unlock
 
977
        client.add_success_response('ok')
 
978
 
 
979
        branch = self.make_remote_branch(transport, client)
 
980
        # Lock the branch, reset the record of remote calls.
 
981
        branch.lock_write()
 
982
        client._calls = []
 
983
 
 
984
        err = self.assertRaises(
 
985
            errors.UnknownErrorFromSmartServer,
 
986
            branch.set_last_revision_info, 123, 'revid')
 
987
        self.assertEqual(('UnexpectedError',), err.error_tuple)
 
988
        branch.unlock()
 
989
 
 
990
    def test_tip_change_rejected(self):
 
991
        """TipChangeRejected responses cause a TipChangeRejected exception to
 
992
        be raised.
 
993
        """
 
994
        transport = MemoryTransport()
 
995
        transport.mkdir('branch')
 
996
        transport = transport.clone('branch')
 
997
        client = FakeClient(transport.base)
 
998
        # get_stacked_on_url
 
999
        client.add_error_response('NotStacked')
 
1000
        # lock_write
 
1001
        client.add_success_response('ok', 'branch token', 'repo token')
 
1002
        # set_last_revision
 
1003
        client.add_error_response('TipChangeRejected', 'rejection message')
 
1004
        # unlock
 
1005
        client.add_success_response('ok')
 
1006
 
 
1007
        branch = self.make_remote_branch(transport, client)
 
1008
        # Lock the branch, reset the record of remote calls.
 
1009
        branch.lock_write()
 
1010
        self.addCleanup(branch.unlock)
 
1011
        client._calls = []
 
1012
 
 
1013
        # The 'TipChangeRejected' error response triggered by calling
 
1014
        # set_last_revision_info causes a TipChangeRejected exception.
 
1015
        err = self.assertRaises(
 
1016
            errors.TipChangeRejected,
 
1017
            branch.set_last_revision_info, 123, 'revid')
 
1018
        self.assertEqual('rejection message', err.msg)
 
1019
 
 
1020
 
 
1021
class TestBranchControlGetBranchConf(tests.TestCaseWithMemoryTransport):
 
1022
    """Getting the branch configuration should use an abstract method not vfs.
 
1023
    """
 
1024
 
 
1025
    def test_get_branch_conf(self):
 
1026
        raise tests.KnownFailure('branch.conf is not retrieved by get_config_file')
 
1027
        ## # We should see that branch.get_config() does a single rpc to get the
 
1028
        ## # remote configuration file, abstracting away where that is stored on
 
1029
        ## # the server.  However at the moment it always falls back to using the
 
1030
        ## # vfs, and this would need some changes in config.py.
 
1031
 
 
1032
        ## # in an empty branch we decode the response properly
 
1033
        ## client = FakeClient([(('ok', ), '# config file body')], self.get_url())
 
1034
        ## # we need to make a real branch because the remote_branch.control_files
 
1035
        ## # will trigger _ensure_real.
 
1036
        ## branch = self.make_branch('quack')
 
1037
        ## transport = branch.bzrdir.root_transport
 
1038
        ## # we do not want bzrdir to make any remote calls
 
1039
        ## bzrdir = RemoteBzrDir(transport, _client=False)
 
1040
        ## branch = RemoteBranch(bzrdir, None, _client=client)
 
1041
        ## config = branch.get_config()
 
1042
        ## self.assertEqual(
 
1043
        ##     [('call_expecting_body', 'Branch.get_config_file', ('quack/',))],
 
1044
        ##     client._calls)
 
1045
 
 
1046
 
 
1047
class TestBranchLockWrite(RemoteBranchTestCase):
 
1048
 
 
1049
    def test_lock_write_unlockable(self):
 
1050
        transport = MemoryTransport()
 
1051
        client = FakeClient(transport.base)
 
1052
        client.add_expected_call(
 
1053
            'Branch.get_stacked_on_url', ('quack/',),
 
1054
            'error', ('NotStacked',),)
 
1055
        client.add_expected_call(
 
1056
            'Branch.lock_write', ('quack/', '', ''),
 
1057
            'error', ('UnlockableTransport',))
 
1058
        transport.mkdir('quack')
 
1059
        transport = transport.clone('quack')
 
1060
        branch = self.make_remote_branch(transport, client)
 
1061
        self.assertRaises(errors.UnlockableTransport, branch.lock_write)
 
1062
        client.finished_test()
 
1063
 
 
1064
 
 
1065
class TestTransportIsReadonly(tests.TestCase):
 
1066
 
 
1067
    def test_true(self):
 
1068
        client = FakeClient()
 
1069
        client.add_success_response('yes')
 
1070
        transport = RemoteTransport('bzr://example.com/', medium=False,
 
1071
                                    _client=client)
 
1072
        self.assertEqual(True, transport.is_readonly())
 
1073
        self.assertEqual(
 
1074
            [('call', 'Transport.is_readonly', ())],
 
1075
            client._calls)
 
1076
 
 
1077
    def test_false(self):
 
1078
        client = FakeClient()
 
1079
        client.add_success_response('no')
 
1080
        transport = RemoteTransport('bzr://example.com/', medium=False,
 
1081
                                    _client=client)
 
1082
        self.assertEqual(False, transport.is_readonly())
 
1083
        self.assertEqual(
 
1084
            [('call', 'Transport.is_readonly', ())],
 
1085
            client._calls)
 
1086
 
 
1087
    def test_error_from_old_server(self):
 
1088
        """bzr 0.15 and earlier servers don't recognise the is_readonly verb.
 
1089
 
 
1090
        Clients should treat it as a "no" response, because is_readonly is only
 
1091
        advisory anyway (a transport could be read-write, but then the
 
1092
        underlying filesystem could be readonly anyway).
 
1093
        """
 
1094
        client = FakeClient()
 
1095
        client.add_unknown_method_response('Transport.is_readonly')
 
1096
        transport = RemoteTransport('bzr://example.com/', medium=False,
 
1097
                                    _client=client)
 
1098
        self.assertEqual(False, transport.is_readonly())
 
1099
        self.assertEqual(
 
1100
            [('call', 'Transport.is_readonly', ())],
 
1101
            client._calls)
 
1102
 
 
1103
 
 
1104
class TestTransportMkdir(tests.TestCase):
 
1105
 
 
1106
    def test_permissiondenied(self):
 
1107
        client = FakeClient()
 
1108
        client.add_error_response('PermissionDenied', 'remote path', 'extra')
 
1109
        transport = RemoteTransport('bzr://example.com/', medium=False,
 
1110
                                    _client=client)
 
1111
        exc = self.assertRaises(
 
1112
            errors.PermissionDenied, transport.mkdir, 'client path')
 
1113
        expected_error = errors.PermissionDenied('/client path', 'extra')
 
1114
        self.assertEqual(expected_error, exc)
 
1115
 
 
1116
 
 
1117
class TestRemoteSSHTransportAuthentication(tests.TestCaseInTempDir):
 
1118
 
 
1119
    def test_defaults_to_none(self):
 
1120
        t = RemoteSSHTransport('bzr+ssh://example.com')
 
1121
        self.assertIs(None, t._get_credentials()[0])
 
1122
 
 
1123
    def test_uses_authentication_config(self):
 
1124
        conf = config.AuthenticationConfig()
 
1125
        conf._get_config().update(
 
1126
            {'bzr+sshtest': {'scheme': 'ssh', 'user': 'bar', 'host':
 
1127
            'example.com'}})
 
1128
        conf._save()
 
1129
        t = RemoteSSHTransport('bzr+ssh://example.com')
 
1130
        self.assertEqual('bar', t._get_credentials()[0])
 
1131
 
 
1132
 
 
1133
class TestRemoteRepository(TestRemote):
 
1134
    """Base for testing RemoteRepository protocol usage.
 
1135
 
 
1136
    These tests contain frozen requests and responses.  We want any changes to
 
1137
    what is sent or expected to be require a thoughtful update to these tests
 
1138
    because they might break compatibility with different-versioned servers.
 
1139
    """
 
1140
 
 
1141
    def setup_fake_client_and_repository(self, transport_path):
 
1142
        """Create the fake client and repository for testing with.
 
1143
 
 
1144
        There's no real server here; we just have canned responses sent
 
1145
        back one by one.
 
1146
 
 
1147
        :param transport_path: Path below the root of the MemoryTransport
 
1148
            where the repository will be created.
 
1149
        """
 
1150
        transport = MemoryTransport()
 
1151
        transport.mkdir(transport_path)
 
1152
        client = FakeClient(transport.base)
 
1153
        transport = transport.clone(transport_path)
 
1154
        # we do not want bzrdir to make any remote calls
 
1155
        bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
 
1156
            _client=False)
 
1157
        repo = RemoteRepository(bzrdir, None, _client=client)
 
1158
        return repo, client
 
1159
 
 
1160
 
 
1161
class TestRepositoryGatherStats(TestRemoteRepository):
 
1162
 
 
1163
    def test_revid_none(self):
 
1164
        # ('ok',), body with revisions and size
 
1165
        transport_path = 'quack'
 
1166
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1167
        client.add_success_response_with_body(
 
1168
            'revisions: 2\nsize: 18\n', 'ok')
 
1169
        result = repo.gather_stats(None)
 
1170
        self.assertEqual(
 
1171
            [('call_expecting_body', 'Repository.gather_stats',
 
1172
             ('quack/','','no'))],
 
1173
            client._calls)
 
1174
        self.assertEqual({'revisions': 2, 'size': 18}, result)
 
1175
 
 
1176
    def test_revid_no_committers(self):
 
1177
        # ('ok',), body without committers
 
1178
        body = ('firstrev: 123456.300 3600\n'
 
1179
                'latestrev: 654231.400 0\n'
 
1180
                'revisions: 2\n'
 
1181
                'size: 18\n')
 
1182
        transport_path = 'quick'
 
1183
        revid = u'\xc8'.encode('utf8')
 
1184
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1185
        client.add_success_response_with_body(body, 'ok')
 
1186
        result = repo.gather_stats(revid)
 
1187
        self.assertEqual(
 
1188
            [('call_expecting_body', 'Repository.gather_stats',
 
1189
              ('quick/', revid, 'no'))],
 
1190
            client._calls)
 
1191
        self.assertEqual({'revisions': 2, 'size': 18,
 
1192
                          'firstrev': (123456.300, 3600),
 
1193
                          'latestrev': (654231.400, 0),},
 
1194
                         result)
 
1195
 
 
1196
    def test_revid_with_committers(self):
 
1197
        # ('ok',), body with committers
 
1198
        body = ('committers: 128\n'
 
1199
                'firstrev: 123456.300 3600\n'
 
1200
                'latestrev: 654231.400 0\n'
 
1201
                'revisions: 2\n'
 
1202
                'size: 18\n')
 
1203
        transport_path = 'buick'
 
1204
        revid = u'\xc8'.encode('utf8')
 
1205
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1206
        client.add_success_response_with_body(body, 'ok')
 
1207
        result = repo.gather_stats(revid, True)
 
1208
        self.assertEqual(
 
1209
            [('call_expecting_body', 'Repository.gather_stats',
 
1210
              ('buick/', revid, 'yes'))],
 
1211
            client._calls)
 
1212
        self.assertEqual({'revisions': 2, 'size': 18,
 
1213
                          'committers': 128,
 
1214
                          'firstrev': (123456.300, 3600),
 
1215
                          'latestrev': (654231.400, 0),},
 
1216
                         result)
 
1217
 
 
1218
 
 
1219
class TestRepositoryGetGraph(TestRemoteRepository):
 
1220
 
 
1221
    def test_get_graph(self):
 
1222
        # get_graph returns a graph with a custom parents provider.
 
1223
        transport_path = 'quack'
 
1224
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1225
        graph = repo.get_graph()
 
1226
        self.assertNotEqual(graph._parents_provider, repo)
 
1227
 
 
1228
 
 
1229
class TestRepositoryGetParentMap(TestRemoteRepository):
 
1230
 
 
1231
    def test_get_parent_map_caching(self):
 
1232
        # get_parent_map returns from cache until unlock()
 
1233
        # setup a reponse with two revisions
 
1234
        r1 = u'\u0e33'.encode('utf8')
 
1235
        r2 = u'\u0dab'.encode('utf8')
 
1236
        lines = [' '.join([r2, r1]), r1]
 
1237
        encoded_body = bz2.compress('\n'.join(lines))
 
1238
 
 
1239
        transport_path = 'quack'
 
1240
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1241
        client.add_success_response_with_body(encoded_body, 'ok')
 
1242
        client.add_success_response_with_body(encoded_body, 'ok')
 
1243
        repo.lock_read()
 
1244
        graph = repo.get_graph()
 
1245
        parents = graph.get_parent_map([r2])
 
1246
        self.assertEqual({r2: (r1,)}, parents)
 
1247
        # locking and unlocking deeper should not reset
 
1248
        repo.lock_read()
 
1249
        repo.unlock()
 
1250
        parents = graph.get_parent_map([r1])
 
1251
        self.assertEqual({r1: (NULL_REVISION,)}, parents)
 
1252
        self.assertEqual(
 
1253
            [('call_with_body_bytes_expecting_body',
 
1254
              'Repository.get_parent_map', ('quack/', r2), '\n\n0')],
 
1255
            client._calls)
 
1256
        repo.unlock()
 
1257
        # now we call again, and it should use the second response.
 
1258
        repo.lock_read()
 
1259
        graph = repo.get_graph()
 
1260
        parents = graph.get_parent_map([r1])
 
1261
        self.assertEqual({r1: (NULL_REVISION,)}, parents)
 
1262
        self.assertEqual(
 
1263
            [('call_with_body_bytes_expecting_body',
 
1264
              'Repository.get_parent_map', ('quack/', r2), '\n\n0'),
 
1265
             ('call_with_body_bytes_expecting_body',
 
1266
              'Repository.get_parent_map', ('quack/', r1), '\n\n0'),
 
1267
            ],
 
1268
            client._calls)
 
1269
        repo.unlock()
 
1270
 
 
1271
    def test_get_parent_map_reconnects_if_unknown_method(self):
 
1272
        transport_path = 'quack'
 
1273
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1274
        client.add_unknown_method_response('Repository,get_parent_map')
 
1275
        client.add_success_response_with_body('', 'ok')
 
1276
        self.assertFalse(client._medium._is_remote_before((1, 2)))
 
1277
        rev_id = 'revision-id'
 
1278
        expected_deprecations = [
 
1279
            'bzrlib.remote.RemoteRepository.get_revision_graph was deprecated '
 
1280
            'in version 1.4.']
 
1281
        parents = self.callDeprecated(
 
1282
            expected_deprecations, repo.get_parent_map, [rev_id])
 
1283
        self.assertEqual(
 
1284
            [('call_with_body_bytes_expecting_body',
 
1285
              'Repository.get_parent_map', ('quack/', rev_id), '\n\n0'),
 
1286
             ('disconnect medium',),
 
1287
             ('call_expecting_body', 'Repository.get_revision_graph',
 
1288
              ('quack/', ''))],
 
1289
            client._calls)
 
1290
        # The medium is now marked as being connected to an older server
 
1291
        self.assertTrue(client._medium._is_remote_before((1, 2)))
 
1292
 
 
1293
    def test_get_parent_map_fallback_parentless_node(self):
 
1294
        """get_parent_map falls back to get_revision_graph on old servers.  The
 
1295
        results from get_revision_graph are tweaked to match the get_parent_map
 
1296
        API.
 
1297
 
 
1298
        Specifically, a {key: ()} result from get_revision_graph means "no
 
1299
        parents" for that key, which in get_parent_map results should be
 
1300
        represented as {key: ('null:',)}.
 
1301
 
 
1302
        This is the test for https://bugs.launchpad.net/bzr/+bug/214894
 
1303
        """
 
1304
        rev_id = 'revision-id'
 
1305
        transport_path = 'quack'
 
1306
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1307
        client.add_success_response_with_body(rev_id, 'ok')
 
1308
        client._medium._remember_remote_is_before((1, 2))
 
1309
        expected_deprecations = [
 
1310
            'bzrlib.remote.RemoteRepository.get_revision_graph was deprecated '
 
1311
            'in version 1.4.']
 
1312
        parents = self.callDeprecated(
 
1313
            expected_deprecations, repo.get_parent_map, [rev_id])
 
1314
        self.assertEqual(
 
1315
            [('call_expecting_body', 'Repository.get_revision_graph',
 
1316
             ('quack/', ''))],
 
1317
            client._calls)
 
1318
        self.assertEqual({rev_id: ('null:',)}, parents)
 
1319
 
 
1320
    def test_get_parent_map_unexpected_response(self):
 
1321
        repo, client = self.setup_fake_client_and_repository('path')
 
1322
        client.add_success_response('something unexpected!')
 
1323
        self.assertRaises(
 
1324
            errors.UnexpectedSmartServerResponse,
 
1325
            repo.get_parent_map, ['a-revision-id'])
 
1326
 
 
1327
 
 
1328
class TestGetParentMapAllowsNew(tests.TestCaseWithTransport):
 
1329
 
 
1330
    def test_allows_new_revisions(self):
 
1331
        """get_parent_map's results can be updated by commit."""
 
1332
        smart_server = server.SmartTCPServer_for_testing()
 
1333
        smart_server.setUp()
 
1334
        self.addCleanup(smart_server.tearDown)
 
1335
        self.make_branch('branch')
 
1336
        branch = Branch.open(smart_server.get_url() + '/branch')
 
1337
        tree = branch.create_checkout('tree', lightweight=True)
 
1338
        tree.lock_write()
 
1339
        self.addCleanup(tree.unlock)
 
1340
        graph = tree.branch.repository.get_graph()
 
1341
        # This provides an opportunity for the missing rev-id to be cached.
 
1342
        self.assertEqual({}, graph.get_parent_map(['rev1']))
 
1343
        tree.commit('message', rev_id='rev1')
 
1344
        graph = tree.branch.repository.get_graph()
 
1345
        self.assertEqual({'rev1': ('null:',)}, graph.get_parent_map(['rev1']))
 
1346
 
 
1347
 
 
1348
class TestRepositoryGetRevisionGraph(TestRemoteRepository):
 
1349
 
 
1350
    def test_null_revision(self):
 
1351
        # a null revision has the predictable result {}, we should have no wire
 
1352
        # traffic when calling it with this argument
 
1353
        transport_path = 'empty'
 
1354
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1355
        client.add_success_response('notused')
 
1356
        result = self.applyDeprecated(one_four, repo.get_revision_graph,
 
1357
            NULL_REVISION)
 
1358
        self.assertEqual([], client._calls)
 
1359
        self.assertEqual({}, result)
 
1360
 
 
1361
    def test_none_revision(self):
 
1362
        # with none we want the entire graph
 
1363
        r1 = u'\u0e33'.encode('utf8')
 
1364
        r2 = u'\u0dab'.encode('utf8')
 
1365
        lines = [' '.join([r2, r1]), r1]
 
1366
        encoded_body = '\n'.join(lines)
 
1367
 
 
1368
        transport_path = 'sinhala'
 
1369
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1370
        client.add_success_response_with_body(encoded_body, 'ok')
 
1371
        result = self.applyDeprecated(one_four, repo.get_revision_graph)
 
1372
        self.assertEqual(
 
1373
            [('call_expecting_body', 'Repository.get_revision_graph',
 
1374
             ('sinhala/', ''))],
 
1375
            client._calls)
 
1376
        self.assertEqual({r1: (), r2: (r1, )}, result)
 
1377
 
 
1378
    def test_specific_revision(self):
 
1379
        # with a specific revision we want the graph for that
 
1380
        # with none we want the entire graph
 
1381
        r11 = u'\u0e33'.encode('utf8')
 
1382
        r12 = u'\xc9'.encode('utf8')
 
1383
        r2 = u'\u0dab'.encode('utf8')
 
1384
        lines = [' '.join([r2, r11, r12]), r11, r12]
 
1385
        encoded_body = '\n'.join(lines)
 
1386
 
 
1387
        transport_path = 'sinhala'
 
1388
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1389
        client.add_success_response_with_body(encoded_body, 'ok')
 
1390
        result = self.applyDeprecated(one_four, repo.get_revision_graph, r2)
 
1391
        self.assertEqual(
 
1392
            [('call_expecting_body', 'Repository.get_revision_graph',
 
1393
             ('sinhala/', r2))],
 
1394
            client._calls)
 
1395
        self.assertEqual({r11: (), r12: (), r2: (r11, r12), }, result)
 
1396
 
 
1397
    def test_no_such_revision(self):
 
1398
        revid = '123'
 
1399
        transport_path = 'sinhala'
 
1400
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1401
        client.add_error_response('nosuchrevision', revid)
 
1402
        # also check that the right revision is reported in the error
 
1403
        self.assertRaises(errors.NoSuchRevision,
 
1404
            self.applyDeprecated, one_four, repo.get_revision_graph, revid)
 
1405
        self.assertEqual(
 
1406
            [('call_expecting_body', 'Repository.get_revision_graph',
 
1407
             ('sinhala/', revid))],
 
1408
            client._calls)
 
1409
 
 
1410
    def test_unexpected_error(self):
 
1411
        revid = '123'
 
1412
        transport_path = 'sinhala'
 
1413
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1414
        client.add_error_response('AnUnexpectedError')
 
1415
        e = self.assertRaises(errors.UnknownErrorFromSmartServer,
 
1416
            self.applyDeprecated, one_four, repo.get_revision_graph, revid)
 
1417
        self.assertEqual(('AnUnexpectedError',), e.error_tuple)
 
1418
 
 
1419
 
 
1420
class TestRepositoryIsShared(TestRemoteRepository):
 
1421
 
 
1422
    def test_is_shared(self):
 
1423
        # ('yes', ) for Repository.is_shared -> 'True'.
 
1424
        transport_path = 'quack'
 
1425
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1426
        client.add_success_response('yes')
 
1427
        result = repo.is_shared()
 
1428
        self.assertEqual(
 
1429
            [('call', 'Repository.is_shared', ('quack/',))],
 
1430
            client._calls)
 
1431
        self.assertEqual(True, result)
 
1432
 
 
1433
    def test_is_not_shared(self):
 
1434
        # ('no', ) for Repository.is_shared -> 'False'.
 
1435
        transport_path = 'qwack'
 
1436
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1437
        client.add_success_response('no')
 
1438
        result = repo.is_shared()
 
1439
        self.assertEqual(
 
1440
            [('call', 'Repository.is_shared', ('qwack/',))],
 
1441
            client._calls)
 
1442
        self.assertEqual(False, result)
 
1443
 
 
1444
 
 
1445
class TestRepositoryLockWrite(TestRemoteRepository):
 
1446
 
 
1447
    def test_lock_write(self):
 
1448
        transport_path = 'quack'
 
1449
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1450
        client.add_success_response('ok', 'a token')
 
1451
        result = repo.lock_write()
 
1452
        self.assertEqual(
 
1453
            [('call', 'Repository.lock_write', ('quack/', ''))],
 
1454
            client._calls)
 
1455
        self.assertEqual('a token', result)
 
1456
 
 
1457
    def test_lock_write_already_locked(self):
 
1458
        transport_path = 'quack'
 
1459
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1460
        client.add_error_response('LockContention')
 
1461
        self.assertRaises(errors.LockContention, repo.lock_write)
 
1462
        self.assertEqual(
 
1463
            [('call', 'Repository.lock_write', ('quack/', ''))],
 
1464
            client._calls)
 
1465
 
 
1466
    def test_lock_write_unlockable(self):
 
1467
        transport_path = 'quack'
 
1468
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1469
        client.add_error_response('UnlockableTransport')
 
1470
        self.assertRaises(errors.UnlockableTransport, repo.lock_write)
 
1471
        self.assertEqual(
 
1472
            [('call', 'Repository.lock_write', ('quack/', ''))],
 
1473
            client._calls)
 
1474
 
 
1475
 
 
1476
class TestRepositorySetMakeWorkingTrees(TestRemoteRepository):
 
1477
 
 
1478
    def test_backwards_compat(self):
 
1479
        self.setup_smart_server_with_call_log()
 
1480
        repo = self.make_repository('.')
 
1481
        self.reset_smart_call_log()
 
1482
        verb = 'Repository.set_make_working_trees'
 
1483
        self.disable_verb(verb)
 
1484
        repo.set_make_working_trees(True)
 
1485
        call_count = len([call for call in self.hpss_calls if
 
1486
            call[0].method == verb])
 
1487
        self.assertEqual(1, call_count)
 
1488
 
 
1489
    def test_current(self):
 
1490
        transport_path = 'quack'
 
1491
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1492
        client.add_expected_call(
 
1493
            'Repository.set_make_working_trees', ('quack/', 'True'),
 
1494
            'success', ('ok',))
 
1495
        client.add_expected_call(
 
1496
            'Repository.set_make_working_trees', ('quack/', 'False'),
 
1497
            'success', ('ok',))
 
1498
        repo.set_make_working_trees(True)
 
1499
        repo.set_make_working_trees(False)
 
1500
 
 
1501
 
 
1502
class TestRepositoryUnlock(TestRemoteRepository):
 
1503
 
 
1504
    def test_unlock(self):
 
1505
        transport_path = 'quack'
 
1506
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1507
        client.add_success_response('ok', 'a token')
 
1508
        client.add_success_response('ok')
 
1509
        repo.lock_write()
 
1510
        repo.unlock()
 
1511
        self.assertEqual(
 
1512
            [('call', 'Repository.lock_write', ('quack/', '')),
 
1513
             ('call', 'Repository.unlock', ('quack/', 'a token'))],
 
1514
            client._calls)
 
1515
 
 
1516
    def test_unlock_wrong_token(self):
 
1517
        # If somehow the token is wrong, unlock will raise TokenMismatch.
 
1518
        transport_path = 'quack'
 
1519
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1520
        client.add_success_response('ok', 'a token')
 
1521
        client.add_error_response('TokenMismatch')
 
1522
        repo.lock_write()
 
1523
        self.assertRaises(errors.TokenMismatch, repo.unlock)
 
1524
 
 
1525
 
 
1526
class TestRepositoryHasRevision(TestRemoteRepository):
 
1527
 
 
1528
    def test_none(self):
 
1529
        # repo.has_revision(None) should not cause any traffic.
 
1530
        transport_path = 'quack'
 
1531
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1532
 
 
1533
        # The null revision is always there, so has_revision(None) == True.
 
1534
        self.assertEqual(True, repo.has_revision(NULL_REVISION))
 
1535
 
 
1536
        # The remote repo shouldn't be accessed.
 
1537
        self.assertEqual([], client._calls)
 
1538
 
 
1539
 
 
1540
class TestRepositoryTarball(TestRemoteRepository):
 
1541
 
 
1542
    # This is a canned tarball reponse we can validate against
 
1543
    tarball_content = (
 
1544
        'QlpoOTFBWSZTWdGkj3wAAWF/k8aQACBIB//A9+8cIX/v33AACEAYABAECEACNz'
 
1545
        'JqsgJJFPTSnk1A3qh6mTQAAAANPUHkagkSTEkaA09QaNAAAGgAAAcwCYCZGAEY'
 
1546
        'mJhMJghpiaYBUkKammSHqNMZQ0NABkNAeo0AGneAevnlwQoGzEzNVzaYxp/1Uk'
 
1547
        'xXzA1CQX0BJMZZLcPBrluJir5SQyijWHYZ6ZUtVqqlYDdB2QoCwa9GyWwGYDMA'
 
1548
        'OQYhkpLt/OKFnnlT8E0PmO8+ZNSo2WWqeCzGB5fBXZ3IvV7uNJVE7DYnWj6qwB'
 
1549
        'k5DJDIrQ5OQHHIjkS9KqwG3mc3t+F1+iujb89ufyBNIKCgeZBWrl5cXxbMGoMs'
 
1550
        'c9JuUkg5YsiVcaZJurc6KLi6yKOkgCUOlIlOpOoXyrTJjK8ZgbklReDdwGmFgt'
 
1551
        'dkVsAIslSVCd4AtACSLbyhLHryfb14PKegrVDba+U8OL6KQtzdM5HLjAc8/p6n'
 
1552
        '0lgaWU8skgO7xupPTkyuwheSckejFLK5T4ZOo0Gda9viaIhpD1Qn7JqqlKAJqC'
 
1553
        'QplPKp2nqBWAfwBGaOwVrz3y1T+UZZNismXHsb2Jq18T+VaD9k4P8DqE3g70qV'
 
1554
        'JLurpnDI6VS5oqDDPVbtVjMxMxMg4rzQVipn2Bv1fVNK0iq3Gl0hhnnHKm/egy'
 
1555
        'nWQ7QH/F3JFOFCQ0aSPfA='
 
1556
        ).decode('base64')
 
1557
 
 
1558
    def test_repository_tarball(self):
 
1559
        # Test that Repository.tarball generates the right operations
 
1560
        transport_path = 'repo'
 
1561
        expected_calls = [('call_expecting_body', 'Repository.tarball',
 
1562
                           ('repo/', 'bz2',),),
 
1563
            ]
 
1564
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1565
        client.add_success_response_with_body(self.tarball_content, 'ok')
 
1566
        # Now actually ask for the tarball
 
1567
        tarball_file = repo._get_tarball('bz2')
 
1568
        try:
 
1569
            self.assertEqual(expected_calls, client._calls)
 
1570
            self.assertEqual(self.tarball_content, tarball_file.read())
 
1571
        finally:
 
1572
            tarball_file.close()
 
1573
 
 
1574
 
 
1575
class TestRemoteRepositoryCopyContent(tests.TestCaseWithTransport):
 
1576
    """RemoteRepository.copy_content_into optimizations"""
 
1577
 
 
1578
    def test_copy_content_remote_to_local(self):
 
1579
        self.transport_server = server.SmartTCPServer_for_testing
 
1580
        src_repo = self.make_repository('repo1')
 
1581
        src_repo = repository.Repository.open(self.get_url('repo1'))
 
1582
        # At the moment the tarball-based copy_content_into can't write back
 
1583
        # into a smart server.  It would be good if it could upload the
 
1584
        # tarball; once that works we'd have to create repositories of
 
1585
        # different formats. -- mbp 20070410
 
1586
        dest_url = self.get_vfs_only_url('repo2')
 
1587
        dest_bzrdir = BzrDir.create(dest_url)
 
1588
        dest_repo = dest_bzrdir.create_repository()
 
1589
        self.assertFalse(isinstance(dest_repo, RemoteRepository))
 
1590
        self.assertTrue(isinstance(src_repo, RemoteRepository))
 
1591
        src_repo.copy_content_into(dest_repo)
 
1592
 
 
1593
 
 
1594
class _StubRealPackRepository(object):
 
1595
 
 
1596
    def __init__(self, calls):
 
1597
        self._pack_collection = _StubPackCollection(calls)
 
1598
 
 
1599
 
 
1600
class _StubPackCollection(object):
 
1601
 
 
1602
    def __init__(self, calls):
 
1603
        self.calls = calls
 
1604
 
 
1605
    def autopack(self):
 
1606
        self.calls.append(('pack collection autopack',))
 
1607
 
 
1608
    def reload_pack_names(self):
 
1609
        self.calls.append(('pack collection reload_pack_names',))
 
1610
 
 
1611
 
 
1612
class TestRemotePackRepositoryAutoPack(TestRemoteRepository):
 
1613
    """Tests for RemoteRepository.autopack implementation."""
 
1614
 
 
1615
    def test_ok(self):
 
1616
        """When the server returns 'ok' and there's no _real_repository, then
 
1617
        nothing else happens: the autopack method is done.
 
1618
        """
 
1619
        transport_path = 'quack'
 
1620
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1621
        client.add_expected_call(
 
1622
            'PackRepository.autopack', ('quack/',), 'success', ('ok',))
 
1623
        repo.autopack()
 
1624
        client.finished_test()
 
1625
 
 
1626
    def test_ok_with_real_repo(self):
 
1627
        """When the server returns 'ok' and there is a _real_repository, then
 
1628
        the _real_repository's reload_pack_name's method will be called.
 
1629
        """
 
1630
        transport_path = 'quack'
 
1631
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1632
        client.add_expected_call(
 
1633
            'PackRepository.autopack', ('quack/',),
 
1634
            'success', ('ok',))
 
1635
        repo._real_repository = _StubRealPackRepository(client._calls)
 
1636
        repo.autopack()
 
1637
        self.assertEqual(
 
1638
            [('call', 'PackRepository.autopack', ('quack/',)),
 
1639
             ('pack collection reload_pack_names',)],
 
1640
            client._calls)
 
1641
 
 
1642
    def test_backwards_compatibility(self):
 
1643
        """If the server does not recognise the PackRepository.autopack verb,
 
1644
        fallback to the real_repository's implementation.
 
1645
        """
 
1646
        transport_path = 'quack'
 
1647
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1648
        client.add_unknown_method_response('PackRepository.autopack')
 
1649
        def stub_ensure_real():
 
1650
            client._calls.append(('_ensure_real',))
 
1651
            repo._real_repository = _StubRealPackRepository(client._calls)
 
1652
        repo._ensure_real = stub_ensure_real
 
1653
        repo.autopack()
 
1654
        self.assertEqual(
 
1655
            [('call', 'PackRepository.autopack', ('quack/',)),
 
1656
             ('_ensure_real',),
 
1657
             ('pack collection autopack',)],
 
1658
            client._calls)
 
1659
 
 
1660
 
 
1661
class TestErrorTranslationBase(tests.TestCaseWithMemoryTransport):
 
1662
    """Base class for unit tests for bzrlib.remote._translate_error."""
 
1663
 
 
1664
    def translateTuple(self, error_tuple, **context):
 
1665
        """Call _translate_error with an ErrorFromSmartServer built from the
 
1666
        given error_tuple.
 
1667
 
 
1668
        :param error_tuple: A tuple of a smart server response, as would be
 
1669
            passed to an ErrorFromSmartServer.
 
1670
        :kwargs context: context items to call _translate_error with.
 
1671
 
 
1672
        :returns: The error raised by _translate_error.
 
1673
        """
 
1674
        # Raise the ErrorFromSmartServer before passing it as an argument,
 
1675
        # because _translate_error may need to re-raise it with a bare 'raise'
 
1676
        # statement.
 
1677
        server_error = errors.ErrorFromSmartServer(error_tuple)
 
1678
        translated_error = self.translateErrorFromSmartServer(
 
1679
            server_error, **context)
 
1680
        return translated_error
 
1681
 
 
1682
    def translateErrorFromSmartServer(self, error_object, **context):
 
1683
        """Like translateTuple, but takes an already constructed
 
1684
        ErrorFromSmartServer rather than a tuple.
 
1685
        """
 
1686
        try:
 
1687
            raise error_object
 
1688
        except errors.ErrorFromSmartServer, server_error:
 
1689
            translated_error = self.assertRaises(
 
1690
                errors.BzrError, remote._translate_error, server_error,
 
1691
                **context)
 
1692
        return translated_error
 
1693
 
 
1694
 
 
1695
class TestErrorTranslationSuccess(TestErrorTranslationBase):
 
1696
    """Unit tests for bzrlib.remote._translate_error.
 
1697
 
 
1698
    Given an ErrorFromSmartServer (which has an error tuple from a smart
 
1699
    server) and some context, _translate_error raises more specific errors from
 
1700
    bzrlib.errors.
 
1701
 
 
1702
    This test case covers the cases where _translate_error succeeds in
 
1703
    translating an ErrorFromSmartServer to something better.  See
 
1704
    TestErrorTranslationRobustness for other cases.
 
1705
    """
 
1706
 
 
1707
    def test_NoSuchRevision(self):
 
1708
        branch = self.make_branch('')
 
1709
        revid = 'revid'
 
1710
        translated_error = self.translateTuple(
 
1711
            ('NoSuchRevision', revid), branch=branch)
 
1712
        expected_error = errors.NoSuchRevision(branch, revid)
 
1713
        self.assertEqual(expected_error, translated_error)
 
1714
 
 
1715
    def test_nosuchrevision(self):
 
1716
        repository = self.make_repository('')
 
1717
        revid = 'revid'
 
1718
        translated_error = self.translateTuple(
 
1719
            ('nosuchrevision', revid), repository=repository)
 
1720
        expected_error = errors.NoSuchRevision(repository, revid)
 
1721
        self.assertEqual(expected_error, translated_error)
 
1722
 
 
1723
    def test_nobranch(self):
 
1724
        bzrdir = self.make_bzrdir('')
 
1725
        translated_error = self.translateTuple(('nobranch',), bzrdir=bzrdir)
 
1726
        expected_error = errors.NotBranchError(path=bzrdir.root_transport.base)
 
1727
        self.assertEqual(expected_error, translated_error)
 
1728
 
 
1729
    def test_LockContention(self):
 
1730
        translated_error = self.translateTuple(('LockContention',))
 
1731
        expected_error = errors.LockContention('(remote lock)')
 
1732
        self.assertEqual(expected_error, translated_error)
 
1733
 
 
1734
    def test_UnlockableTransport(self):
 
1735
        bzrdir = self.make_bzrdir('')
 
1736
        translated_error = self.translateTuple(
 
1737
            ('UnlockableTransport',), bzrdir=bzrdir)
 
1738
        expected_error = errors.UnlockableTransport(bzrdir.root_transport)
 
1739
        self.assertEqual(expected_error, translated_error)
 
1740
 
 
1741
    def test_LockFailed(self):
 
1742
        lock = 'str() of a server lock'
 
1743
        why = 'str() of why'
 
1744
        translated_error = self.translateTuple(('LockFailed', lock, why))
 
1745
        expected_error = errors.LockFailed(lock, why)
 
1746
        self.assertEqual(expected_error, translated_error)
 
1747
 
 
1748
    def test_TokenMismatch(self):
 
1749
        token = 'a lock token'
 
1750
        translated_error = self.translateTuple(('TokenMismatch',), token=token)
 
1751
        expected_error = errors.TokenMismatch(token, '(remote token)')
 
1752
        self.assertEqual(expected_error, translated_error)
 
1753
 
 
1754
    def test_Diverged(self):
 
1755
        branch = self.make_branch('a')
 
1756
        other_branch = self.make_branch('b')
 
1757
        translated_error = self.translateTuple(
 
1758
            ('Diverged',), branch=branch, other_branch=other_branch)
 
1759
        expected_error = errors.DivergedBranches(branch, other_branch)
 
1760
        self.assertEqual(expected_error, translated_error)
 
1761
 
 
1762
    def test_ReadError_no_args(self):
 
1763
        path = 'a path'
 
1764
        translated_error = self.translateTuple(('ReadError',), path=path)
 
1765
        expected_error = errors.ReadError(path)
 
1766
        self.assertEqual(expected_error, translated_error)
 
1767
 
 
1768
    def test_ReadError(self):
 
1769
        path = 'a path'
 
1770
        translated_error = self.translateTuple(('ReadError', path))
 
1771
        expected_error = errors.ReadError(path)
 
1772
        self.assertEqual(expected_error, translated_error)
 
1773
 
 
1774
    def test_PermissionDenied_no_args(self):
 
1775
        path = 'a path'
 
1776
        translated_error = self.translateTuple(('PermissionDenied',), path=path)
 
1777
        expected_error = errors.PermissionDenied(path)
 
1778
        self.assertEqual(expected_error, translated_error)
 
1779
 
 
1780
    def test_PermissionDenied_one_arg(self):
 
1781
        path = 'a path'
 
1782
        translated_error = self.translateTuple(('PermissionDenied', path))
 
1783
        expected_error = errors.PermissionDenied(path)
 
1784
        self.assertEqual(expected_error, translated_error)
 
1785
 
 
1786
    def test_PermissionDenied_one_arg_and_context(self):
 
1787
        """Given a choice between a path from the local context and a path on
 
1788
        the wire, _translate_error prefers the path from the local context.
 
1789
        """
 
1790
        local_path = 'local path'
 
1791
        remote_path = 'remote path'
 
1792
        translated_error = self.translateTuple(
 
1793
            ('PermissionDenied', remote_path), path=local_path)
 
1794
        expected_error = errors.PermissionDenied(local_path)
 
1795
        self.assertEqual(expected_error, translated_error)
 
1796
 
 
1797
    def test_PermissionDenied_two_args(self):
 
1798
        path = 'a path'
 
1799
        extra = 'a string with extra info'
 
1800
        translated_error = self.translateTuple(
 
1801
            ('PermissionDenied', path, extra))
 
1802
        expected_error = errors.PermissionDenied(path, extra)
 
1803
        self.assertEqual(expected_error, translated_error)
 
1804
 
 
1805
 
 
1806
class TestErrorTranslationRobustness(TestErrorTranslationBase):
 
1807
    """Unit tests for bzrlib.remote._translate_error's robustness.
 
1808
 
 
1809
    TestErrorTranslationSuccess is for cases where _translate_error can
 
1810
    translate successfully.  This class about how _translate_err behaves when
 
1811
    it fails to translate: it re-raises the original error.
 
1812
    """
 
1813
 
 
1814
    def test_unrecognised_server_error(self):
 
1815
        """If the error code from the server is not recognised, the original
 
1816
        ErrorFromSmartServer is propagated unmodified.
 
1817
        """
 
1818
        error_tuple = ('An unknown error tuple',)
 
1819
        server_error = errors.ErrorFromSmartServer(error_tuple)
 
1820
        translated_error = self.translateErrorFromSmartServer(server_error)
 
1821
        expected_error = errors.UnknownErrorFromSmartServer(server_error)
 
1822
        self.assertEqual(expected_error, translated_error)
 
1823
 
 
1824
    def test_context_missing_a_key(self):
 
1825
        """In case of a bug in the client, or perhaps an unexpected response
 
1826
        from a server, _translate_error returns the original error tuple from
 
1827
        the server and mutters a warning.
 
1828
        """
 
1829
        # To translate a NoSuchRevision error _translate_error needs a 'branch'
 
1830
        # in the context dict.  So let's give it an empty context dict instead
 
1831
        # to exercise its error recovery.
 
1832
        empty_context = {}
 
1833
        error_tuple = ('NoSuchRevision', 'revid')
 
1834
        server_error = errors.ErrorFromSmartServer(error_tuple)
 
1835
        translated_error = self.translateErrorFromSmartServer(server_error)
 
1836
        self.assertEqual(server_error, translated_error)
 
1837
        # In addition to re-raising ErrorFromSmartServer, some debug info has
 
1838
        # been muttered to the log file for developer to look at.
 
1839
        self.assertContainsRe(
 
1840
            self._get_log(keep_log_file=True),
 
1841
            "Missing key 'branch' in context")
 
1842
 
 
1843
    def test_path_missing(self):
 
1844
        """Some translations (PermissionDenied, ReadError) can determine the
 
1845
        'path' variable from either the wire or the local context.  If neither
 
1846
        has it, then an error is raised.
 
1847
        """
 
1848
        error_tuple = ('ReadError',)
 
1849
        server_error = errors.ErrorFromSmartServer(error_tuple)
 
1850
        translated_error = self.translateErrorFromSmartServer(server_error)
 
1851
        self.assertEqual(server_error, translated_error)
 
1852
        # In addition to re-raising ErrorFromSmartServer, some debug info has
 
1853
        # been muttered to the log file for developer to look at.
 
1854
        self.assertContainsRe(
 
1855
            self._get_log(keep_log_file=True), "Missing key 'path' in context")
 
1856
 
 
1857
 
 
1858
class TestStacking(tests.TestCaseWithTransport):
 
1859
    """Tests for operations on stacked remote repositories.
 
1860
 
 
1861
    The underlying format type must support stacking.
 
1862
    """
 
1863
 
 
1864
    def test_access_stacked_remote(self):
 
1865
        # based on <http://launchpad.net/bugs/261315>
 
1866
        # make a branch stacked on another repository containing an empty
 
1867
        # revision, then open it over hpss - we should be able to see that
 
1868
        # revision.
 
1869
        base_transport = self.get_transport()
 
1870
        base_builder = self.make_branch_builder('base', format='1.6')
 
1871
        base_builder.start_series()
 
1872
        base_revid = base_builder.build_snapshot('rev-id', None,
 
1873
            [('add', ('', None, 'directory', None))],
 
1874
            'message')
 
1875
        base_builder.finish_series()
 
1876
        stacked_branch = self.make_branch('stacked', format='1.6')
 
1877
        stacked_branch.set_stacked_on_url('../base')
 
1878
        # start a server looking at this
 
1879
        smart_server = server.SmartTCPServer_for_testing()
 
1880
        smart_server.setUp()
 
1881
        self.addCleanup(smart_server.tearDown)
 
1882
        remote_bzrdir = BzrDir.open(smart_server.get_url() + '/stacked')
 
1883
        # can get its branch and repository
 
1884
        remote_branch = remote_bzrdir.open_branch()
 
1885
        remote_repo = remote_branch.repository
 
1886
        remote_repo.lock_read()
 
1887
        try:
 
1888
            # it should have an appropriate fallback repository, which should also
 
1889
            # be a RemoteRepository
 
1890
            self.assertEquals(len(remote_repo._fallback_repositories), 1)
 
1891
            self.assertIsInstance(remote_repo._fallback_repositories[0],
 
1892
                RemoteRepository)
 
1893
            # and it has the revision committed to the underlying repository;
 
1894
            # these have varying implementations so we try several of them
 
1895
            self.assertTrue(remote_repo.has_revisions([base_revid]))
 
1896
            self.assertTrue(remote_repo.has_revision(base_revid))
 
1897
            self.assertEqual(remote_repo.get_revision(base_revid).message,
 
1898
                'message')
 
1899
        finally:
 
1900
            remote_repo.unlock()
 
1901
 
 
1902
    def prepare_stacked_remote_branch(self):
 
1903
        smart_server = server.SmartTCPServer_for_testing()
 
1904
        smart_server.setUp()
 
1905
        self.addCleanup(smart_server.tearDown)
 
1906
        tree1 = self.make_branch_and_tree('tree1')
 
1907
        tree1.commit('rev1', rev_id='rev1')
 
1908
        tree2 = self.make_branch_and_tree('tree2', format='1.6')
 
1909
        tree2.branch.set_stacked_on_url(tree1.branch.base)
 
1910
        branch2 = Branch.open(smart_server.get_url() + '/tree2')
 
1911
        branch2.lock_read()
 
1912
        self.addCleanup(branch2.unlock)
 
1913
        return branch2
 
1914
 
 
1915
    def test_stacked_get_parent_map(self):
 
1916
        # the public implementation of get_parent_map obeys stacking
 
1917
        branch = self.prepare_stacked_remote_branch()
 
1918
        repo = branch.repository
 
1919
        self.assertEqual(['rev1'], repo.get_parent_map(['rev1']).keys())
 
1920
 
 
1921
    def test_unstacked_get_parent_map(self):
 
1922
        # _unstacked_provider.get_parent_map ignores stacking
 
1923
        branch = self.prepare_stacked_remote_branch()
 
1924
        provider = branch.repository._unstacked_provider
 
1925
        self.assertEqual([], provider.get_parent_map(['rev1']).keys())
 
1926
 
 
1927
 
 
1928
class TestRemoteBranchEffort(tests.TestCaseWithTransport):
 
1929
 
 
1930
    def setUp(self):
 
1931
        super(TestRemoteBranchEffort, self).setUp()
 
1932
        # Create a smart server that publishes whatever the backing VFS server
 
1933
        # does.
 
1934
        self.smart_server = server.SmartTCPServer_for_testing()
 
1935
        self.smart_server.setUp(self.get_server())
 
1936
        self.addCleanup(self.smart_server.tearDown)
 
1937
        # Log all HPSS calls into self.hpss_calls.
 
1938
        _SmartClient.hooks.install_named_hook(
 
1939
            'call', self.capture_hpss_call, None)
 
1940
        self.hpss_calls = []
 
1941
 
 
1942
    def capture_hpss_call(self, params):
 
1943
        self.hpss_calls.append(params.method)
 
1944
 
 
1945
    def test_copy_content_into_avoids_revision_history(self):
 
1946
        local = self.make_branch('local')
 
1947
        remote_backing_tree = self.make_branch_and_tree('remote')
 
1948
        remote_backing_tree.commit("Commit.")
 
1949
        remote_branch_url = self.smart_server.get_url() + 'remote'
 
1950
        remote_branch = bzrdir.BzrDir.open(remote_branch_url).open_branch()
 
1951
        local.repository.fetch(remote_branch.repository)
 
1952
        self.hpss_calls = []
 
1953
        remote_branch.copy_content_into(local)
 
1954
        self.assertFalse('Branch.revision_history' in self.hpss_calls)