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  • Committer: Robert Collins
  • Date: 2009-03-02 03:38:07 UTC
  • mto: This revision was merged to the branch mainline in revision 4067.
  • Revision ID: robertc@robertcollins.net-20090302033807-af1b7awmfueyawts
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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 get_repo_format(self):
 
266
        reference_bzrdir_format = bzrdir.format_registry.get('default')()
 
267
        return reference_bzrdir_format.repository_format
 
268
 
 
269
    def disable_verb(self, verb):
 
270
        """Disable a verb for one test."""
 
271
        request_handlers = smart.request.request_handlers
 
272
        orig_method = request_handlers.get(verb)
 
273
        request_handlers.remove(verb)
 
274
        def restoreVerb():
 
275
            request_handlers.register(verb, orig_method)
 
276
        self.addCleanup(restoreVerb)
 
277
 
 
278
 
 
279
class Test_ClientMedium_remote_path_from_transport(tests.TestCase):
 
280
    """Tests for the behaviour of client_medium.remote_path_from_transport."""
 
281
 
 
282
    def assertRemotePath(self, expected, client_base, transport_base):
 
283
        """Assert that the result of
 
284
        SmartClientMedium.remote_path_from_transport is the expected value for
 
285
        a given client_base and transport_base.
 
286
        """
 
287
        client_medium = medium.SmartClientMedium(client_base)
 
288
        transport = get_transport(transport_base)
 
289
        result = client_medium.remote_path_from_transport(transport)
 
290
        self.assertEqual(expected, result)
 
291
 
 
292
    def test_remote_path_from_transport(self):
 
293
        """SmartClientMedium.remote_path_from_transport calculates a URL for
 
294
        the given transport relative to the root of the client base URL.
 
295
        """
 
296
        self.assertRemotePath('xyz/', 'bzr://host/path', 'bzr://host/xyz')
 
297
        self.assertRemotePath(
 
298
            'path/xyz/', 'bzr://host/path', 'bzr://host/path/xyz')
 
299
 
 
300
    def assertRemotePathHTTP(self, expected, transport_base, relpath):
 
301
        """Assert that the result of
 
302
        HttpTransportBase.remote_path_from_transport is the expected value for
 
303
        a given transport_base and relpath of that transport.  (Note that
 
304
        HttpTransportBase is a subclass of SmartClientMedium)
 
305
        """
 
306
        base_transport = get_transport(transport_base)
 
307
        client_medium = base_transport.get_smart_medium()
 
308
        cloned_transport = base_transport.clone(relpath)
 
309
        result = client_medium.remote_path_from_transport(cloned_transport)
 
310
        self.assertEqual(expected, result)
 
311
 
 
312
    def test_remote_path_from_transport_http(self):
 
313
        """Remote paths for HTTP transports are calculated differently to other
 
314
        transports.  They are just relative to the client base, not the root
 
315
        directory of the host.
 
316
        """
 
317
        for scheme in ['http:', 'https:', 'bzr+http:', 'bzr+https:']:
 
318
            self.assertRemotePathHTTP(
 
319
                '../xyz/', scheme + '//host/path', '../xyz/')
 
320
            self.assertRemotePathHTTP(
 
321
                'xyz/', scheme + '//host/path', 'xyz/')
 
322
 
 
323
 
 
324
class Test_ClientMedium_remote_is_at_least(tests.TestCase):
 
325
    """Tests for the behaviour of client_medium.remote_is_at_least."""
 
326
 
 
327
    def test_initially_unlimited(self):
 
328
        """A fresh medium assumes that the remote side supports all
 
329
        versions.
 
330
        """
 
331
        client_medium = medium.SmartClientMedium('dummy base')
 
332
        self.assertFalse(client_medium._is_remote_before((99, 99)))
 
333
 
 
334
    def test__remember_remote_is_before(self):
 
335
        """Calling _remember_remote_is_before ratchets down the known remote
 
336
        version.
 
337
        """
 
338
        client_medium = medium.SmartClientMedium('dummy base')
 
339
        # Mark the remote side as being less than 1.6.  The remote side may
 
340
        # still be 1.5.
 
341
        client_medium._remember_remote_is_before((1, 6))
 
342
        self.assertTrue(client_medium._is_remote_before((1, 6)))
 
343
        self.assertFalse(client_medium._is_remote_before((1, 5)))
 
344
        # Calling _remember_remote_is_before again with a lower value works.
 
345
        client_medium._remember_remote_is_before((1, 5))
 
346
        self.assertTrue(client_medium._is_remote_before((1, 5)))
 
347
        # You cannot call _remember_remote_is_before with a larger value.
 
348
        self.assertRaises(
 
349
            AssertionError, client_medium._remember_remote_is_before, (1, 9))
 
350
 
 
351
 
 
352
class TestBzrDirOpenBranch(TestRemote):
 
353
 
 
354
    def test_branch_present(self):
 
355
        reference_format = self.get_repo_format()
 
356
        network_name = reference_format.network_name()
 
357
        transport = MemoryTransport()
 
358
        transport.mkdir('quack')
 
359
        transport = transport.clone('quack')
 
360
        client = FakeClient(transport.base)
 
361
        client.add_expected_call(
 
362
            'BzrDir.open_branch', ('quack/',),
 
363
            'success', ('ok', ''))
 
364
        client.add_expected_call(
 
365
            'BzrDir.find_repositoryV3', ('quack/',),
 
366
            'success', ('ok', '', 'no', 'no', 'no', network_name))
 
367
        client.add_expected_call(
 
368
            'Branch.get_stacked_on_url', ('quack/',),
 
369
            'error', ('NotStacked',))
 
370
        bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
 
371
            _client=client)
 
372
        result = bzrdir.open_branch()
 
373
        self.assertIsInstance(result, RemoteBranch)
 
374
        self.assertEqual(bzrdir, result.bzrdir)
 
375
        client.finished_test()
 
376
 
 
377
    def test_branch_missing(self):
 
378
        transport = MemoryTransport()
 
379
        transport.mkdir('quack')
 
380
        transport = transport.clone('quack')
 
381
        client = FakeClient(transport.base)
 
382
        client.add_error_response('nobranch')
 
383
        bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
 
384
            _client=client)
 
385
        self.assertRaises(errors.NotBranchError, bzrdir.open_branch)
 
386
        self.assertEqual(
 
387
            [('call', 'BzrDir.open_branch', ('quack/',))],
 
388
            client._calls)
 
389
 
 
390
    def test__get_tree_branch(self):
 
391
        # _get_tree_branch is a form of open_branch, but it should only ask for
 
392
        # branch opening, not any other network requests.
 
393
        calls = []
 
394
        def open_branch():
 
395
            calls.append("Called")
 
396
            return "a-branch"
 
397
        transport = MemoryTransport()
 
398
        # no requests on the network - catches other api calls being made.
 
399
        client = FakeClient(transport.base)
 
400
        bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
 
401
            _client=client)
 
402
        # patch the open_branch call to record that it was called.
 
403
        bzrdir.open_branch = open_branch
 
404
        self.assertEqual((None, "a-branch"), bzrdir._get_tree_branch())
 
405
        self.assertEqual(["Called"], calls)
 
406
        self.assertEqual([], client._calls)
 
407
 
 
408
    def test_url_quoting_of_path(self):
 
409
        # Relpaths on the wire should not be URL-escaped.  So "~" should be
 
410
        # transmitted as "~", not "%7E".
 
411
        transport = RemoteTCPTransport('bzr://localhost/~hello/')
 
412
        client = FakeClient(transport.base)
 
413
        reference_format = self.get_repo_format()
 
414
        network_name = reference_format.network_name()
 
415
        client.add_expected_call(
 
416
            'BzrDir.open_branch', ('~hello/',),
 
417
            'success', ('ok', ''))
 
418
        client.add_expected_call(
 
419
            'BzrDir.find_repositoryV3', ('~hello/',),
 
420
            'success', ('ok', '', 'no', 'no', 'no', network_name))
 
421
        client.add_expected_call(
 
422
            'Branch.get_stacked_on_url', ('~hello/',),
 
423
            'error', ('NotStacked',))
 
424
        bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
 
425
            _client=client)
 
426
        result = bzrdir.open_branch()
 
427
        client.finished_test()
 
428
 
 
429
    def check_open_repository(self, rich_root, subtrees, external_lookup='no'):
 
430
        reference_format = self.get_repo_format()
 
431
        network_name = reference_format.network_name()
 
432
        transport = MemoryTransport()
 
433
        transport.mkdir('quack')
 
434
        transport = transport.clone('quack')
 
435
        if rich_root:
 
436
            rich_response = 'yes'
 
437
        else:
 
438
            rich_response = 'no'
 
439
        if subtrees:
 
440
            subtree_response = 'yes'
 
441
        else:
 
442
            subtree_response = 'no'
 
443
        client = FakeClient(transport.base)
 
444
        client.add_success_response(
 
445
            'ok', '', rich_response, subtree_response, external_lookup,
 
446
            network_name)
 
447
        bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
 
448
            _client=client)
 
449
        result = bzrdir.open_repository()
 
450
        self.assertEqual(
 
451
            [('call', 'BzrDir.find_repositoryV3', ('quack/',))],
 
452
            client._calls)
 
453
        self.assertIsInstance(result, RemoteRepository)
 
454
        self.assertEqual(bzrdir, result.bzrdir)
 
455
        self.assertEqual(rich_root, result._format.rich_root_data)
 
456
        self.assertEqual(subtrees, result._format.supports_tree_reference)
 
457
 
 
458
    def test_open_repository_sets_format_attributes(self):
 
459
        self.check_open_repository(True, True)
 
460
        self.check_open_repository(False, True)
 
461
        self.check_open_repository(True, False)
 
462
        self.check_open_repository(False, False)
 
463
        self.check_open_repository(False, False, 'yes')
 
464
 
 
465
    def test_old_server(self):
 
466
        """RemoteBzrDirFormat should fail to probe if the server version is too
 
467
        old.
 
468
        """
 
469
        self.assertRaises(errors.NotBranchError,
 
470
            RemoteBzrDirFormat.probe_transport, OldServerTransport())
 
471
 
 
472
 
 
473
class TestBzrDirCreateBranch(TestRemote):
 
474
 
 
475
    def test_backwards_compat(self):
 
476
        self.setup_smart_server_with_call_log()
 
477
        repo = self.make_repository('.')
 
478
        self.reset_smart_call_log()
 
479
        self.disable_verb('BzrDir.create_branch')
 
480
        branch = repo.bzrdir.create_branch()
 
481
        create_branch_call_count = len([call for call in self.hpss_calls if
 
482
            call[0].method == 'BzrDir.create_branch'])
 
483
        self.assertEqual(1, create_branch_call_count)
 
484
 
 
485
    def test_current_server(self):
 
486
        transport = self.get_transport('.')
 
487
        transport = transport.clone('quack')
 
488
        self.make_repository('quack')
 
489
        client = FakeClient(transport.base)
 
490
        reference_bzrdir_format = bzrdir.format_registry.get('default')()
 
491
        reference_format = reference_bzrdir_format.get_branch_format()
 
492
        network_name = reference_format.network_name()
 
493
        reference_repo_fmt = reference_bzrdir_format.repository_format
 
494
        reference_repo_name = reference_repo_fmt.network_name()
 
495
        client.add_expected_call(
 
496
            'BzrDir.create_branch', ('quack/', network_name),
 
497
            'success', ('ok', network_name, '', 'no', 'no', 'yes',
 
498
            reference_repo_name))
 
499
        a_bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
 
500
            _client=client)
 
501
        branch = a_bzrdir.create_branch()
 
502
        # We should have got a remote branch
 
503
        self.assertIsInstance(branch, remote.RemoteBranch)
 
504
        # its format should have the settings from the response
 
505
        format = branch._format
 
506
        self.assertEqual(network_name, format.network_name())
 
507
 
 
508
 
 
509
class TestBzrDirCreateRepository(TestRemote):
 
510
 
 
511
    def test_backwards_compat(self):
 
512
        self.setup_smart_server_with_call_log()
 
513
        bzrdir = self.make_bzrdir('.')
 
514
        self.reset_smart_call_log()
 
515
        self.disable_verb('BzrDir.create_repository')
 
516
        repo = bzrdir.create_repository()
 
517
        create_repo_call_count = len([call for call in self.hpss_calls if
 
518
            call[0].method == 'BzrDir.create_repository'])
 
519
        self.assertEqual(1, create_repo_call_count)
 
520
 
 
521
    def test_current_server(self):
 
522
        transport = self.get_transport('.')
 
523
        transport = transport.clone('quack')
 
524
        self.make_bzrdir('quack')
 
525
        client = FakeClient(transport.base)
 
526
        reference_bzrdir_format = bzrdir.format_registry.get('default')()
 
527
        reference_format = reference_bzrdir_format.repository_format
 
528
        network_name = reference_format.network_name()
 
529
        client.add_expected_call(
 
530
            'BzrDir.create_repository', ('quack/',
 
531
                'Bazaar pack repository format 1 (needs bzr 0.92)\n', 'False'),
 
532
            'success', ('ok', 'no', 'no', 'no', network_name))
 
533
        a_bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
 
534
            _client=client)
 
535
        repo = a_bzrdir.create_repository()
 
536
        # We should have got a remote repository
 
537
        self.assertIsInstance(repo, remote.RemoteRepository)
 
538
        # its format should have the settings from the response
 
539
        format = repo._format
 
540
        self.assertFalse(format.rich_root_data)
 
541
        self.assertFalse(format.supports_tree_reference)
 
542
        self.assertFalse(format.supports_external_lookups)
 
543
        self.assertEqual(network_name, format.network_name())
 
544
 
 
545
 
 
546
class TestBzrDirOpenRepository(TestRemote):
 
547
 
 
548
    def test_backwards_compat_1_2_3(self):
 
549
        # fallback all the way to the first version.
 
550
        reference_format = self.get_repo_format()
 
551
        network_name = reference_format.network_name()
 
552
        client = FakeClient('bzr://example.com/')
 
553
        client.add_unknown_method_response('BzrDir.find_repositoryV3')
 
554
        client.add_unknown_method_response('BzrDir.find_repositoryV2')
 
555
        client.add_success_response('ok', '', 'no', 'no')
 
556
        # A real repository instance will be created to determine the network
 
557
        # name.
 
558
        client.add_success_response_with_body(
 
559
            "Bazaar-NG meta directory, format 1\n", 'ok')
 
560
        client.add_success_response_with_body(
 
561
            reference_format.get_format_string(), 'ok')
 
562
        # PackRepository wants to do a stat
 
563
        client.add_success_response('stat', '0', '65535')
 
564
        remote_transport = RemoteTransport('bzr://example.com/quack/', medium=False,
 
565
            _client=client)
 
566
        bzrdir = RemoteBzrDir(remote_transport, remote.RemoteBzrDirFormat(),
 
567
            _client=client)
 
568
        repo = bzrdir.open_repository()
 
569
        self.assertEqual(
 
570
            [('call', 'BzrDir.find_repositoryV3', ('quack/',)),
 
571
             ('call', 'BzrDir.find_repositoryV2', ('quack/',)),
 
572
             ('call', 'BzrDir.find_repository', ('quack/',)),
 
573
             ('call_expecting_body', 'get', ('/quack/.bzr/branch-format',)),
 
574
             ('call_expecting_body', 'get', ('/quack/.bzr/repository/format',)),
 
575
             ('call', 'stat', ('/quack/.bzr/repository',)),
 
576
             ],
 
577
            client._calls)
 
578
        self.assertEqual(network_name, repo._format.network_name())
 
579
 
 
580
    def test_backwards_compat_2(self):
 
581
        # fallback to find_repositoryV2
 
582
        reference_format = self.get_repo_format()
 
583
        network_name = reference_format.network_name()
 
584
        client = FakeClient('bzr://example.com/')
 
585
        client.add_unknown_method_response('BzrDir.find_repositoryV3')
 
586
        client.add_success_response('ok', '', 'no', 'no', 'no')
 
587
        # A real repository instance will be created to determine the network
 
588
        # name.
 
589
        client.add_success_response_with_body(
 
590
            "Bazaar-NG meta directory, format 1\n", 'ok')
 
591
        client.add_success_response_with_body(
 
592
            reference_format.get_format_string(), 'ok')
 
593
        # PackRepository wants to do a stat
 
594
        client.add_success_response('stat', '0', '65535')
 
595
        remote_transport = RemoteTransport('bzr://example.com/quack/', medium=False,
 
596
            _client=client)
 
597
        bzrdir = RemoteBzrDir(remote_transport, remote.RemoteBzrDirFormat(),
 
598
            _client=client)
 
599
        repo = bzrdir.open_repository()
 
600
        self.assertEqual(
 
601
            [('call', 'BzrDir.find_repositoryV3', ('quack/',)),
 
602
             ('call', 'BzrDir.find_repositoryV2', ('quack/',)),
 
603
             ('call_expecting_body', 'get', ('/quack/.bzr/branch-format',)),
 
604
             ('call_expecting_body', 'get', ('/quack/.bzr/repository/format',)),
 
605
             ('call', 'stat', ('/quack/.bzr/repository',)),
 
606
             ],
 
607
            client._calls)
 
608
        self.assertEqual(network_name, repo._format.network_name())
 
609
 
 
610
    def test_current_server(self):
 
611
        reference_format = self.get_repo_format()
 
612
        network_name = reference_format.network_name()
 
613
        transport = MemoryTransport()
 
614
        transport.mkdir('quack')
 
615
        transport = transport.clone('quack')
 
616
        client = FakeClient(transport.base)
 
617
        client.add_success_response('ok', '', 'no', 'no', 'no', network_name)
 
618
        bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
 
619
            _client=client)
 
620
        repo = bzrdir.open_repository()
 
621
        self.assertEqual(
 
622
            [('call', 'BzrDir.find_repositoryV3', ('quack/',))],
 
623
            client._calls)
 
624
        self.assertEqual(network_name, repo._format.network_name())
 
625
 
 
626
 
 
627
class OldSmartClient(object):
 
628
    """A fake smart client for test_old_version that just returns a version one
 
629
    response to the 'hello' (query version) command.
 
630
    """
 
631
 
 
632
    def get_request(self):
 
633
        input_file = StringIO('ok\x011\n')
 
634
        output_file = StringIO()
 
635
        client_medium = medium.SmartSimplePipesClientMedium(
 
636
            input_file, output_file)
 
637
        return medium.SmartClientStreamMediumRequest(client_medium)
 
638
 
 
639
    def protocol_version(self):
 
640
        return 1
 
641
 
 
642
 
 
643
class OldServerTransport(object):
 
644
    """A fake transport for test_old_server that reports it's smart server
 
645
    protocol version as version one.
 
646
    """
 
647
 
 
648
    def __init__(self):
 
649
        self.base = 'fake:'
 
650
 
 
651
    def get_smart_client(self):
 
652
        return OldSmartClient()
 
653
 
 
654
 
 
655
class RemoteBranchTestCase(tests.TestCase):
 
656
 
 
657
    def make_remote_branch(self, transport, client):
 
658
        """Make a RemoteBranch using 'client' as its _SmartClient.
 
659
 
 
660
        A RemoteBzrDir and RemoteRepository will also be created to fill out
 
661
        the RemoteBranch, albeit with stub values for some of their attributes.
 
662
        """
 
663
        # we do not want bzrdir to make any remote calls, so use False as its
 
664
        # _client.  If it tries to make a remote call, this will fail
 
665
        # immediately.
 
666
        bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
 
667
            _client=False)
 
668
        repo = RemoteRepository(bzrdir, None, _client=client)
 
669
        return RemoteBranch(bzrdir, repo, _client=client)
 
670
 
 
671
 
 
672
class TestBranchLastRevisionInfo(RemoteBranchTestCase):
 
673
 
 
674
    def test_empty_branch(self):
 
675
        # in an empty branch we decode the response properly
 
676
        transport = MemoryTransport()
 
677
        client = FakeClient(transport.base)
 
678
        client.add_expected_call(
 
679
            'Branch.get_stacked_on_url', ('quack/',),
 
680
            'error', ('NotStacked',))
 
681
        client.add_expected_call(
 
682
            'Branch.last_revision_info', ('quack/',),
 
683
            'success', ('ok', '0', 'null:'))
 
684
        transport.mkdir('quack')
 
685
        transport = transport.clone('quack')
 
686
        branch = self.make_remote_branch(transport, client)
 
687
        result = branch.last_revision_info()
 
688
        client.finished_test()
 
689
        self.assertEqual((0, NULL_REVISION), result)
 
690
 
 
691
    def test_non_empty_branch(self):
 
692
        # in a non-empty branch we also decode the response properly
 
693
        revid = u'\xc8'.encode('utf8')
 
694
        transport = MemoryTransport()
 
695
        client = FakeClient(transport.base)
 
696
        client.add_expected_call(
 
697
            'Branch.get_stacked_on_url', ('kwaak/',),
 
698
            'error', ('NotStacked',))
 
699
        client.add_expected_call(
 
700
            'Branch.last_revision_info', ('kwaak/',),
 
701
            'success', ('ok', '2', revid))
 
702
        transport.mkdir('kwaak')
 
703
        transport = transport.clone('kwaak')
 
704
        branch = self.make_remote_branch(transport, client)
 
705
        result = branch.last_revision_info()
 
706
        self.assertEqual((2, revid), result)
 
707
 
 
708
 
 
709
class TestBranch_get_stacked_on_url(TestRemote):
 
710
    """Test Branch._get_stacked_on_url rpc"""
 
711
 
 
712
    def test_get_stacked_on_invalid_url(self):
 
713
        # test that asking for a stacked on url the server can't access works.
 
714
        # This isn't perfect, but then as we're in the same process there
 
715
        # really isn't anything we can do to be 100% sure that the server
 
716
        # doesn't just open in - this test probably needs to be rewritten using
 
717
        # a spawn()ed server.
 
718
        stacked_branch = self.make_branch('stacked', format='1.9')
 
719
        memory_branch = self.make_branch('base', format='1.9')
 
720
        vfs_url = self.get_vfs_only_url('base')
 
721
        stacked_branch.set_stacked_on_url(vfs_url)
 
722
        transport = stacked_branch.bzrdir.root_transport
 
723
        client = FakeClient(transport.base)
 
724
        client.add_expected_call(
 
725
            'Branch.get_stacked_on_url', ('stacked/',),
 
726
            'success', ('ok', vfs_url))
 
727
        # XXX: Multiple calls are bad, this second call documents what is
 
728
        # today.
 
729
        client.add_expected_call(
 
730
            'Branch.get_stacked_on_url', ('stacked/',),
 
731
            'success', ('ok', vfs_url))
 
732
        bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
 
733
            _client=client)
 
734
        branch = RemoteBranch(bzrdir, RemoteRepository(bzrdir, None),
 
735
            _client=client)
 
736
        result = branch.get_stacked_on_url()
 
737
        self.assertEqual(vfs_url, result)
 
738
 
 
739
    def test_backwards_compatible(self):
 
740
        # like with bzr1.6 with no Branch.get_stacked_on_url rpc
 
741
        base_branch = self.make_branch('base', format='1.6')
 
742
        stacked_branch = self.make_branch('stacked', format='1.6')
 
743
        stacked_branch.set_stacked_on_url('../base')
 
744
        client = FakeClient(self.get_url())
 
745
        client.add_expected_call(
 
746
            'BzrDir.open_branch', ('stacked/',),
 
747
            'success', ('ok', ''))
 
748
        client.add_expected_call(
 
749
            'BzrDir.find_repositoryV3', ('stacked/',),
 
750
            'success', ('ok', '', 'no', 'no', 'no',
 
751
                stacked_branch.repository._format.network_name()))
 
752
        # called twice, once from constructor and then again by us
 
753
        client.add_expected_call(
 
754
            'Branch.get_stacked_on_url', ('stacked/',),
 
755
            'unknown', ('Branch.get_stacked_on_url',))
 
756
        client.add_expected_call(
 
757
            'Branch.get_stacked_on_url', ('stacked/',),
 
758
            'unknown', ('Branch.get_stacked_on_url',))
 
759
        # this will also do vfs access, but that goes direct to the transport
 
760
        # and isn't seen by the FakeClient.
 
761
        bzrdir = RemoteBzrDir(self.get_transport('stacked'),
 
762
            remote.RemoteBzrDirFormat(), _client=client)
 
763
        branch = bzrdir.open_branch()
 
764
        result = branch.get_stacked_on_url()
 
765
        self.assertEqual('../base', result)
 
766
        client.finished_test()
 
767
        # it's in the fallback list both for the RemoteRepository and its vfs
 
768
        # repository
 
769
        self.assertEqual(1, len(branch.repository._fallback_repositories))
 
770
        self.assertEqual(1,
 
771
            len(branch.repository._real_repository._fallback_repositories))
 
772
 
 
773
    def test_get_stacked_on_real_branch(self):
 
774
        base_branch = self.make_branch('base', format='1.6')
 
775
        stacked_branch = self.make_branch('stacked', format='1.6')
 
776
        stacked_branch.set_stacked_on_url('../base')
 
777
        reference_format = self.get_repo_format()
 
778
        network_name = reference_format.network_name()
 
779
        client = FakeClient(self.get_url())
 
780
        client.add_expected_call(
 
781
            'BzrDir.open_branch', ('stacked/',),
 
782
            'success', ('ok', ''))
 
783
        client.add_expected_call(
 
784
            'BzrDir.find_repositoryV3', ('stacked/',),
 
785
            'success', ('ok', '', 'no', 'no', 'no', network_name))
 
786
        # called twice, once from constructor and then again by us
 
787
        client.add_expected_call(
 
788
            'Branch.get_stacked_on_url', ('stacked/',),
 
789
            'success', ('ok', '../base'))
 
790
        client.add_expected_call(
 
791
            'Branch.get_stacked_on_url', ('stacked/',),
 
792
            'success', ('ok', '../base'))
 
793
        bzrdir = RemoteBzrDir(self.get_transport('stacked'),
 
794
            remote.RemoteBzrDirFormat(), _client=client)
 
795
        branch = bzrdir.open_branch()
 
796
        result = branch.get_stacked_on_url()
 
797
        self.assertEqual('../base', result)
 
798
        client.finished_test()
 
799
        # it's in the fallback list both for the RemoteRepository and its vfs
 
800
        # repository
 
801
        self.assertEqual(1, len(branch.repository._fallback_repositories))
 
802
        self.assertEqual(1,
 
803
            len(branch.repository._real_repository._fallback_repositories))
 
804
 
 
805
 
 
806
class TestBranchSetLastRevision(RemoteBranchTestCase):
 
807
 
 
808
    def test_set_empty(self):
 
809
        # set_revision_history([]) is translated to calling
 
810
        # Branch.set_last_revision(path, '') on the wire.
 
811
        transport = MemoryTransport()
 
812
        transport.mkdir('branch')
 
813
        transport = transport.clone('branch')
 
814
 
 
815
        client = FakeClient(transport.base)
 
816
        client.add_expected_call(
 
817
            'Branch.get_stacked_on_url', ('branch/',),
 
818
            'error', ('NotStacked',))
 
819
        client.add_expected_call(
 
820
            'Branch.lock_write', ('branch/', '', ''),
 
821
            'success', ('ok', 'branch token', 'repo token'))
 
822
        client.add_expected_call(
 
823
            'Branch.last_revision_info',
 
824
            ('branch/',),
 
825
            'success', ('ok', '0', 'null:'))
 
826
        client.add_expected_call(
 
827
            'Branch.set_last_revision', ('branch/', 'branch token', 'repo token', 'null:',),
 
828
            'success', ('ok',))
 
829
        client.add_expected_call(
 
830
            'Branch.unlock', ('branch/', 'branch token', 'repo token'),
 
831
            'success', ('ok',))
 
832
        branch = self.make_remote_branch(transport, client)
 
833
        # This is a hack to work around the problem that RemoteBranch currently
 
834
        # unnecessarily invokes _ensure_real upon a call to lock_write.
 
835
        branch._ensure_real = lambda: None
 
836
        branch.lock_write()
 
837
        result = branch.set_revision_history([])
 
838
        branch.unlock()
 
839
        self.assertEqual(None, result)
 
840
        client.finished_test()
 
841
 
 
842
    def test_set_nonempty(self):
 
843
        # set_revision_history([rev-id1, ..., rev-idN]) is translated to calling
 
844
        # Branch.set_last_revision(path, rev-idN) on the wire.
 
845
        transport = MemoryTransport()
 
846
        transport.mkdir('branch')
 
847
        transport = transport.clone('branch')
 
848
 
 
849
        client = FakeClient(transport.base)
 
850
        client.add_expected_call(
 
851
            'Branch.get_stacked_on_url', ('branch/',),
 
852
            'error', ('NotStacked',))
 
853
        client.add_expected_call(
 
854
            'Branch.lock_write', ('branch/', '', ''),
 
855
            'success', ('ok', 'branch token', 'repo token'))
 
856
        client.add_expected_call(
 
857
            'Branch.last_revision_info',
 
858
            ('branch/',),
 
859
            'success', ('ok', '0', 'null:'))
 
860
        lines = ['rev-id2']
 
861
        encoded_body = bz2.compress('\n'.join(lines))
 
862
        client.add_success_response_with_body(encoded_body, 'ok')
 
863
        client.add_expected_call(
 
864
            'Branch.set_last_revision', ('branch/', 'branch token', 'repo token', 'rev-id2',),
 
865
            'success', ('ok',))
 
866
        client.add_expected_call(
 
867
            'Branch.unlock', ('branch/', 'branch token', 'repo token'),
 
868
            'success', ('ok',))
 
869
        branch = self.make_remote_branch(transport, client)
 
870
        # This is a hack to work around the problem that RemoteBranch currently
 
871
        # unnecessarily invokes _ensure_real upon a call to lock_write.
 
872
        branch._ensure_real = lambda: None
 
873
        # Lock the branch, reset the record of remote calls.
 
874
        branch.lock_write()
 
875
        result = branch.set_revision_history(['rev-id1', 'rev-id2'])
 
876
        branch.unlock()
 
877
        self.assertEqual(None, result)
 
878
        client.finished_test()
 
879
 
 
880
    def test_no_such_revision(self):
 
881
        transport = MemoryTransport()
 
882
        transport.mkdir('branch')
 
883
        transport = transport.clone('branch')
 
884
        # A response of 'NoSuchRevision' is translated into an exception.
 
885
        client = FakeClient(transport.base)
 
886
        client.add_expected_call(
 
887
            'Branch.get_stacked_on_url', ('branch/',),
 
888
            'error', ('NotStacked',))
 
889
        client.add_expected_call(
 
890
            'Branch.lock_write', ('branch/', '', ''),
 
891
            'success', ('ok', 'branch token', 'repo token'))
 
892
        client.add_expected_call(
 
893
            'Branch.last_revision_info',
 
894
            ('branch/',),
 
895
            'success', ('ok', '0', 'null:'))
 
896
        # get_graph calls to construct the revision history, for the set_rh
 
897
        # hook
 
898
        lines = ['rev-id']
 
899
        encoded_body = bz2.compress('\n'.join(lines))
 
900
        client.add_success_response_with_body(encoded_body, 'ok')
 
901
        client.add_expected_call(
 
902
            'Branch.set_last_revision', ('branch/', 'branch token', 'repo token', 'rev-id',),
 
903
            'error', ('NoSuchRevision', 'rev-id'))
 
904
        client.add_expected_call(
 
905
            'Branch.unlock', ('branch/', 'branch token', 'repo token'),
 
906
            'success', ('ok',))
 
907
 
 
908
        branch = self.make_remote_branch(transport, client)
 
909
        branch.lock_write()
 
910
        self.assertRaises(
 
911
            errors.NoSuchRevision, branch.set_revision_history, ['rev-id'])
 
912
        branch.unlock()
 
913
        client.finished_test()
 
914
 
 
915
    def test_tip_change_rejected(self):
 
916
        """TipChangeRejected responses cause a TipChangeRejected exception to
 
917
        be raised.
 
918
        """
 
919
        transport = MemoryTransport()
 
920
        transport.mkdir('branch')
 
921
        transport = transport.clone('branch')
 
922
        client = FakeClient(transport.base)
 
923
        rejection_msg_unicode = u'rejection message\N{INTERROBANG}'
 
924
        rejection_msg_utf8 = rejection_msg_unicode.encode('utf8')
 
925
        client.add_expected_call(
 
926
            'Branch.get_stacked_on_url', ('branch/',),
 
927
            'error', ('NotStacked',))
 
928
        client.add_expected_call(
 
929
            'Branch.lock_write', ('branch/', '', ''),
 
930
            'success', ('ok', 'branch token', 'repo token'))
 
931
        client.add_expected_call(
 
932
            'Branch.last_revision_info',
 
933
            ('branch/',),
 
934
            'success', ('ok', '0', 'null:'))
 
935
        lines = ['rev-id']
 
936
        encoded_body = bz2.compress('\n'.join(lines))
 
937
        client.add_success_response_with_body(encoded_body, 'ok')
 
938
        client.add_expected_call(
 
939
            'Branch.set_last_revision', ('branch/', 'branch token', 'repo token', 'rev-id',),
 
940
            'error', ('TipChangeRejected', rejection_msg_utf8))
 
941
        client.add_expected_call(
 
942
            'Branch.unlock', ('branch/', 'branch token', 'repo token'),
 
943
            'success', ('ok',))
 
944
        branch = self.make_remote_branch(transport, client)
 
945
        branch._ensure_real = lambda: None
 
946
        branch.lock_write()
 
947
        # The 'TipChangeRejected' error response triggered by calling
 
948
        # set_revision_history causes a TipChangeRejected exception.
 
949
        err = self.assertRaises(
 
950
            errors.TipChangeRejected, branch.set_revision_history, ['rev-id'])
 
951
        # The UTF-8 message from the response has been decoded into a unicode
 
952
        # object.
 
953
        self.assertIsInstance(err.msg, unicode)
 
954
        self.assertEqual(rejection_msg_unicode, err.msg)
 
955
        branch.unlock()
 
956
        client.finished_test()
 
957
 
 
958
 
 
959
class TestBranchSetLastRevisionInfo(RemoteBranchTestCase):
 
960
 
 
961
    def test_set_last_revision_info(self):
 
962
        # set_last_revision_info(num, 'rev-id') is translated to calling
 
963
        # Branch.set_last_revision_info(num, 'rev-id') on the wire.
 
964
        transport = MemoryTransport()
 
965
        transport.mkdir('branch')
 
966
        transport = transport.clone('branch')
 
967
        client = FakeClient(transport.base)
 
968
        # get_stacked_on_url
 
969
        client.add_error_response('NotStacked')
 
970
        # lock_write
 
971
        client.add_success_response('ok', 'branch token', 'repo token')
 
972
        # query the current revision
 
973
        client.add_success_response('ok', '0', 'null:')
 
974
        # set_last_revision
 
975
        client.add_success_response('ok')
 
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
        result = branch.set_last_revision_info(1234, 'a-revision-id')
 
984
        self.assertEqual(
 
985
            [('call', 'Branch.last_revision_info', ('branch/',)),
 
986
             ('call', 'Branch.set_last_revision_info',
 
987
                ('branch/', 'branch token', 'repo token',
 
988
                 '1234', 'a-revision-id'))],
 
989
            client._calls)
 
990
        self.assertEqual(None, result)
 
991
 
 
992
    def test_no_such_revision(self):
 
993
        # A response of 'NoSuchRevision' is translated into an exception.
 
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('NoSuchRevision', 'revid')
 
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
        client._calls = []
 
1011
 
 
1012
        self.assertRaises(
 
1013
            errors.NoSuchRevision, branch.set_last_revision_info, 123, 'revid')
 
1014
        branch.unlock()
 
1015
 
 
1016
    def lock_remote_branch(self, branch):
 
1017
        """Trick a RemoteBranch into thinking it is locked."""
 
1018
        branch._lock_mode = 'w'
 
1019
        branch._lock_count = 2
 
1020
        branch._lock_token = 'branch token'
 
1021
        branch._repo_lock_token = 'repo token'
 
1022
        branch.repository._lock_mode = 'w'
 
1023
        branch.repository._lock_count = 2
 
1024
        branch.repository._lock_token = 'repo token'
 
1025
 
 
1026
    def test_backwards_compatibility(self):
 
1027
        """If the server does not support the Branch.set_last_revision_info
 
1028
        verb (which is new in 1.4), then the client falls back to VFS methods.
 
1029
        """
 
1030
        # This test is a little messy.  Unlike most tests in this file, it
 
1031
        # doesn't purely test what a Remote* object sends over the wire, and
 
1032
        # how it reacts to responses from the wire.  It instead relies partly
 
1033
        # on asserting that the RemoteBranch will call
 
1034
        # self._real_branch.set_last_revision_info(...).
 
1035
 
 
1036
        # First, set up our RemoteBranch with a FakeClient that raises
 
1037
        # UnknownSmartMethod, and a StubRealBranch that logs how it is called.
 
1038
        transport = MemoryTransport()
 
1039
        transport.mkdir('branch')
 
1040
        transport = transport.clone('branch')
 
1041
        client = FakeClient(transport.base)
 
1042
        client.add_expected_call(
 
1043
            'Branch.get_stacked_on_url', ('branch/',),
 
1044
            'error', ('NotStacked',))
 
1045
        client.add_expected_call(
 
1046
            'Branch.last_revision_info',
 
1047
            ('branch/',),
 
1048
            'success', ('ok', '0', 'null:'))
 
1049
        client.add_expected_call(
 
1050
            'Branch.set_last_revision_info',
 
1051
            ('branch/', 'branch token', 'repo token', '1234', 'a-revision-id',),
 
1052
            'unknown', 'Branch.set_last_revision_info')
 
1053
 
 
1054
        branch = self.make_remote_branch(transport, client)
 
1055
        class StubRealBranch(object):
 
1056
            def __init__(self):
 
1057
                self.calls = []
 
1058
            def set_last_revision_info(self, revno, revision_id):
 
1059
                self.calls.append(
 
1060
                    ('set_last_revision_info', revno, revision_id))
 
1061
            def _clear_cached_state(self):
 
1062
                pass
 
1063
        real_branch = StubRealBranch()
 
1064
        branch._real_branch = real_branch
 
1065
        self.lock_remote_branch(branch)
 
1066
 
 
1067
        # Call set_last_revision_info, and verify it behaved as expected.
 
1068
        result = branch.set_last_revision_info(1234, 'a-revision-id')
 
1069
        self.assertEqual(
 
1070
            [('set_last_revision_info', 1234, 'a-revision-id')],
 
1071
            real_branch.calls)
 
1072
        client.finished_test()
 
1073
 
 
1074
    def test_unexpected_error(self):
 
1075
        # If the server sends an error the client doesn't understand, it gets
 
1076
        # turned into an UnknownErrorFromSmartServer, which is presented as a
 
1077
        # non-internal error to the user.
 
1078
        transport = MemoryTransport()
 
1079
        transport.mkdir('branch')
 
1080
        transport = transport.clone('branch')
 
1081
        client = FakeClient(transport.base)
 
1082
        # get_stacked_on_url
 
1083
        client.add_error_response('NotStacked')
 
1084
        # lock_write
 
1085
        client.add_success_response('ok', 'branch token', 'repo token')
 
1086
        # set_last_revision
 
1087
        client.add_error_response('UnexpectedError')
 
1088
        # unlock
 
1089
        client.add_success_response('ok')
 
1090
 
 
1091
        branch = self.make_remote_branch(transport, client)
 
1092
        # Lock the branch, reset the record of remote calls.
 
1093
        branch.lock_write()
 
1094
        client._calls = []
 
1095
 
 
1096
        err = self.assertRaises(
 
1097
            errors.UnknownErrorFromSmartServer,
 
1098
            branch.set_last_revision_info, 123, 'revid')
 
1099
        self.assertEqual(('UnexpectedError',), err.error_tuple)
 
1100
        branch.unlock()
 
1101
 
 
1102
    def test_tip_change_rejected(self):
 
1103
        """TipChangeRejected responses cause a TipChangeRejected exception to
 
1104
        be raised.
 
1105
        """
 
1106
        transport = MemoryTransport()
 
1107
        transport.mkdir('branch')
 
1108
        transport = transport.clone('branch')
 
1109
        client = FakeClient(transport.base)
 
1110
        # get_stacked_on_url
 
1111
        client.add_error_response('NotStacked')
 
1112
        # lock_write
 
1113
        client.add_success_response('ok', 'branch token', 'repo token')
 
1114
        # set_last_revision
 
1115
        client.add_error_response('TipChangeRejected', 'rejection message')
 
1116
        # unlock
 
1117
        client.add_success_response('ok')
 
1118
 
 
1119
        branch = self.make_remote_branch(transport, client)
 
1120
        # Lock the branch, reset the record of remote calls.
 
1121
        branch.lock_write()
 
1122
        self.addCleanup(branch.unlock)
 
1123
        client._calls = []
 
1124
 
 
1125
        # The 'TipChangeRejected' error response triggered by calling
 
1126
        # set_last_revision_info causes a TipChangeRejected exception.
 
1127
        err = self.assertRaises(
 
1128
            errors.TipChangeRejected,
 
1129
            branch.set_last_revision_info, 123, 'revid')
 
1130
        self.assertEqual('rejection message', err.msg)
 
1131
 
 
1132
 
 
1133
class TestBranchControlGetBranchConf(tests.TestCaseWithMemoryTransport):
 
1134
    """Getting the branch configuration should use an abstract method not vfs.
 
1135
    """
 
1136
 
 
1137
    def test_get_branch_conf(self):
 
1138
        raise tests.KnownFailure('branch.conf is not retrieved by get_config_file')
 
1139
        ## # We should see that branch.get_config() does a single rpc to get the
 
1140
        ## # remote configuration file, abstracting away where that is stored on
 
1141
        ## # the server.  However at the moment it always falls back to using the
 
1142
        ## # vfs, and this would need some changes in config.py.
 
1143
 
 
1144
        ## # in an empty branch we decode the response properly
 
1145
        ## client = FakeClient([(('ok', ), '# config file body')], self.get_url())
 
1146
        ## # we need to make a real branch because the remote_branch.control_files
 
1147
        ## # will trigger _ensure_real.
 
1148
        ## branch = self.make_branch('quack')
 
1149
        ## transport = branch.bzrdir.root_transport
 
1150
        ## # we do not want bzrdir to make any remote calls
 
1151
        ## bzrdir = RemoteBzrDir(transport, _client=False)
 
1152
        ## branch = RemoteBranch(bzrdir, None, _client=client)
 
1153
        ## config = branch.get_config()
 
1154
        ## self.assertEqual(
 
1155
        ##     [('call_expecting_body', 'Branch.get_config_file', ('quack/',))],
 
1156
        ##     client._calls)
 
1157
 
 
1158
 
 
1159
class TestBranchLockWrite(RemoteBranchTestCase):
 
1160
 
 
1161
    def test_lock_write_unlockable(self):
 
1162
        transport = MemoryTransport()
 
1163
        client = FakeClient(transport.base)
 
1164
        client.add_expected_call(
 
1165
            'Branch.get_stacked_on_url', ('quack/',),
 
1166
            'error', ('NotStacked',),)
 
1167
        client.add_expected_call(
 
1168
            'Branch.lock_write', ('quack/', '', ''),
 
1169
            'error', ('UnlockableTransport',))
 
1170
        transport.mkdir('quack')
 
1171
        transport = transport.clone('quack')
 
1172
        branch = self.make_remote_branch(transport, client)
 
1173
        self.assertRaises(errors.UnlockableTransport, branch.lock_write)
 
1174
        client.finished_test()
 
1175
 
 
1176
 
 
1177
class TestTransportIsReadonly(tests.TestCase):
 
1178
 
 
1179
    def test_true(self):
 
1180
        client = FakeClient()
 
1181
        client.add_success_response('yes')
 
1182
        transport = RemoteTransport('bzr://example.com/', medium=False,
 
1183
                                    _client=client)
 
1184
        self.assertEqual(True, transport.is_readonly())
 
1185
        self.assertEqual(
 
1186
            [('call', 'Transport.is_readonly', ())],
 
1187
            client._calls)
 
1188
 
 
1189
    def test_false(self):
 
1190
        client = FakeClient()
 
1191
        client.add_success_response('no')
 
1192
        transport = RemoteTransport('bzr://example.com/', medium=False,
 
1193
                                    _client=client)
 
1194
        self.assertEqual(False, transport.is_readonly())
 
1195
        self.assertEqual(
 
1196
            [('call', 'Transport.is_readonly', ())],
 
1197
            client._calls)
 
1198
 
 
1199
    def test_error_from_old_server(self):
 
1200
        """bzr 0.15 and earlier servers don't recognise the is_readonly verb.
 
1201
 
 
1202
        Clients should treat it as a "no" response, because is_readonly is only
 
1203
        advisory anyway (a transport could be read-write, but then the
 
1204
        underlying filesystem could be readonly anyway).
 
1205
        """
 
1206
        client = FakeClient()
 
1207
        client.add_unknown_method_response('Transport.is_readonly')
 
1208
        transport = RemoteTransport('bzr://example.com/', medium=False,
 
1209
                                    _client=client)
 
1210
        self.assertEqual(False, transport.is_readonly())
 
1211
        self.assertEqual(
 
1212
            [('call', 'Transport.is_readonly', ())],
 
1213
            client._calls)
 
1214
 
 
1215
 
 
1216
class TestTransportMkdir(tests.TestCase):
 
1217
 
 
1218
    def test_permissiondenied(self):
 
1219
        client = FakeClient()
 
1220
        client.add_error_response('PermissionDenied', 'remote path', 'extra')
 
1221
        transport = RemoteTransport('bzr://example.com/', medium=False,
 
1222
                                    _client=client)
 
1223
        exc = self.assertRaises(
 
1224
            errors.PermissionDenied, transport.mkdir, 'client path')
 
1225
        expected_error = errors.PermissionDenied('/client path', 'extra')
 
1226
        self.assertEqual(expected_error, exc)
 
1227
 
 
1228
 
 
1229
class TestRemoteSSHTransportAuthentication(tests.TestCaseInTempDir):
 
1230
 
 
1231
    def test_defaults_to_none(self):
 
1232
        t = RemoteSSHTransport('bzr+ssh://example.com')
 
1233
        self.assertIs(None, t._get_credentials()[0])
 
1234
 
 
1235
    def test_uses_authentication_config(self):
 
1236
        conf = config.AuthenticationConfig()
 
1237
        conf._get_config().update(
 
1238
            {'bzr+sshtest': {'scheme': 'ssh', 'user': 'bar', 'host':
 
1239
            'example.com'}})
 
1240
        conf._save()
 
1241
        t = RemoteSSHTransport('bzr+ssh://example.com')
 
1242
        self.assertEqual('bar', t._get_credentials()[0])
 
1243
 
 
1244
 
 
1245
class TestRemoteRepository(TestRemote):
 
1246
    """Base for testing RemoteRepository protocol usage.
 
1247
 
 
1248
    These tests contain frozen requests and responses.  We want any changes to
 
1249
    what is sent or expected to be require a thoughtful update to these tests
 
1250
    because they might break compatibility with different-versioned servers.
 
1251
    """
 
1252
 
 
1253
    def setup_fake_client_and_repository(self, transport_path):
 
1254
        """Create the fake client and repository for testing with.
 
1255
 
 
1256
        There's no real server here; we just have canned responses sent
 
1257
        back one by one.
 
1258
 
 
1259
        :param transport_path: Path below the root of the MemoryTransport
 
1260
            where the repository will be created.
 
1261
        """
 
1262
        transport = MemoryTransport()
 
1263
        transport.mkdir(transport_path)
 
1264
        client = FakeClient(transport.base)
 
1265
        transport = transport.clone(transport_path)
 
1266
        # we do not want bzrdir to make any remote calls
 
1267
        bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
 
1268
            _client=False)
 
1269
        repo = RemoteRepository(bzrdir, None, _client=client)
 
1270
        return repo, client
 
1271
 
 
1272
 
 
1273
class TestRepositoryGatherStats(TestRemoteRepository):
 
1274
 
 
1275
    def test_revid_none(self):
 
1276
        # ('ok',), body with revisions and size
 
1277
        transport_path = 'quack'
 
1278
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1279
        client.add_success_response_with_body(
 
1280
            'revisions: 2\nsize: 18\n', 'ok')
 
1281
        result = repo.gather_stats(None)
 
1282
        self.assertEqual(
 
1283
            [('call_expecting_body', 'Repository.gather_stats',
 
1284
             ('quack/','','no'))],
 
1285
            client._calls)
 
1286
        self.assertEqual({'revisions': 2, 'size': 18}, result)
 
1287
 
 
1288
    def test_revid_no_committers(self):
 
1289
        # ('ok',), body without committers
 
1290
        body = ('firstrev: 123456.300 3600\n'
 
1291
                'latestrev: 654231.400 0\n'
 
1292
                'revisions: 2\n'
 
1293
                'size: 18\n')
 
1294
        transport_path = 'quick'
 
1295
        revid = u'\xc8'.encode('utf8')
 
1296
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1297
        client.add_success_response_with_body(body, 'ok')
 
1298
        result = repo.gather_stats(revid)
 
1299
        self.assertEqual(
 
1300
            [('call_expecting_body', 'Repository.gather_stats',
 
1301
              ('quick/', revid, 'no'))],
 
1302
            client._calls)
 
1303
        self.assertEqual({'revisions': 2, 'size': 18,
 
1304
                          'firstrev': (123456.300, 3600),
 
1305
                          'latestrev': (654231.400, 0),},
 
1306
                         result)
 
1307
 
 
1308
    def test_revid_with_committers(self):
 
1309
        # ('ok',), body with committers
 
1310
        body = ('committers: 128\n'
 
1311
                'firstrev: 123456.300 3600\n'
 
1312
                'latestrev: 654231.400 0\n'
 
1313
                'revisions: 2\n'
 
1314
                'size: 18\n')
 
1315
        transport_path = 'buick'
 
1316
        revid = u'\xc8'.encode('utf8')
 
1317
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1318
        client.add_success_response_with_body(body, 'ok')
 
1319
        result = repo.gather_stats(revid, True)
 
1320
        self.assertEqual(
 
1321
            [('call_expecting_body', 'Repository.gather_stats',
 
1322
              ('buick/', revid, 'yes'))],
 
1323
            client._calls)
 
1324
        self.assertEqual({'revisions': 2, 'size': 18,
 
1325
                          'committers': 128,
 
1326
                          'firstrev': (123456.300, 3600),
 
1327
                          'latestrev': (654231.400, 0),},
 
1328
                         result)
 
1329
 
 
1330
 
 
1331
class TestRepositoryGetGraph(TestRemoteRepository):
 
1332
 
 
1333
    def test_get_graph(self):
 
1334
        # get_graph returns a graph with a custom parents provider.
 
1335
        transport_path = 'quack'
 
1336
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1337
        graph = repo.get_graph()
 
1338
        self.assertNotEqual(graph._parents_provider, repo)
 
1339
 
 
1340
 
 
1341
class TestRepositoryGetParentMap(TestRemoteRepository):
 
1342
 
 
1343
    def test_get_parent_map_caching(self):
 
1344
        # get_parent_map returns from cache until unlock()
 
1345
        # setup a reponse with two revisions
 
1346
        r1 = u'\u0e33'.encode('utf8')
 
1347
        r2 = u'\u0dab'.encode('utf8')
 
1348
        lines = [' '.join([r2, r1]), r1]
 
1349
        encoded_body = bz2.compress('\n'.join(lines))
 
1350
 
 
1351
        transport_path = 'quack'
 
1352
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1353
        client.add_success_response_with_body(encoded_body, 'ok')
 
1354
        client.add_success_response_with_body(encoded_body, 'ok')
 
1355
        repo.lock_read()
 
1356
        graph = repo.get_graph()
 
1357
        parents = graph.get_parent_map([r2])
 
1358
        self.assertEqual({r2: (r1,)}, parents)
 
1359
        # locking and unlocking deeper should not reset
 
1360
        repo.lock_read()
 
1361
        repo.unlock()
 
1362
        parents = graph.get_parent_map([r1])
 
1363
        self.assertEqual({r1: (NULL_REVISION,)}, parents)
 
1364
        self.assertEqual(
 
1365
            [('call_with_body_bytes_expecting_body',
 
1366
              'Repository.get_parent_map', ('quack/', r2), '\n\n0')],
 
1367
            client._calls)
 
1368
        repo.unlock()
 
1369
        # now we call again, and it should use the second response.
 
1370
        repo.lock_read()
 
1371
        graph = repo.get_graph()
 
1372
        parents = graph.get_parent_map([r1])
 
1373
        self.assertEqual({r1: (NULL_REVISION,)}, parents)
 
1374
        self.assertEqual(
 
1375
            [('call_with_body_bytes_expecting_body',
 
1376
              'Repository.get_parent_map', ('quack/', r2), '\n\n0'),
 
1377
             ('call_with_body_bytes_expecting_body',
 
1378
              'Repository.get_parent_map', ('quack/', r1), '\n\n0'),
 
1379
            ],
 
1380
            client._calls)
 
1381
        repo.unlock()
 
1382
 
 
1383
    def test_get_parent_map_reconnects_if_unknown_method(self):
 
1384
        transport_path = 'quack'
 
1385
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1386
        client.add_unknown_method_response('Repository,get_parent_map')
 
1387
        client.add_success_response_with_body('', 'ok')
 
1388
        self.assertFalse(client._medium._is_remote_before((1, 2)))
 
1389
        rev_id = 'revision-id'
 
1390
        expected_deprecations = [
 
1391
            'bzrlib.remote.RemoteRepository.get_revision_graph was deprecated '
 
1392
            'in version 1.4.']
 
1393
        parents = self.callDeprecated(
 
1394
            expected_deprecations, repo.get_parent_map, [rev_id])
 
1395
        self.assertEqual(
 
1396
            [('call_with_body_bytes_expecting_body',
 
1397
              'Repository.get_parent_map', ('quack/', rev_id), '\n\n0'),
 
1398
             ('disconnect medium',),
 
1399
             ('call_expecting_body', 'Repository.get_revision_graph',
 
1400
              ('quack/', ''))],
 
1401
            client._calls)
 
1402
        # The medium is now marked as being connected to an older server
 
1403
        self.assertTrue(client._medium._is_remote_before((1, 2)))
 
1404
 
 
1405
    def test_get_parent_map_fallback_parentless_node(self):
 
1406
        """get_parent_map falls back to get_revision_graph on old servers.  The
 
1407
        results from get_revision_graph are tweaked to match the get_parent_map
 
1408
        API.
 
1409
 
 
1410
        Specifically, a {key: ()} result from get_revision_graph means "no
 
1411
        parents" for that key, which in get_parent_map results should be
 
1412
        represented as {key: ('null:',)}.
 
1413
 
 
1414
        This is the test for https://bugs.launchpad.net/bzr/+bug/214894
 
1415
        """
 
1416
        rev_id = 'revision-id'
 
1417
        transport_path = 'quack'
 
1418
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1419
        client.add_success_response_with_body(rev_id, 'ok')
 
1420
        client._medium._remember_remote_is_before((1, 2))
 
1421
        expected_deprecations = [
 
1422
            'bzrlib.remote.RemoteRepository.get_revision_graph was deprecated '
 
1423
            'in version 1.4.']
 
1424
        parents = self.callDeprecated(
 
1425
            expected_deprecations, repo.get_parent_map, [rev_id])
 
1426
        self.assertEqual(
 
1427
            [('call_expecting_body', 'Repository.get_revision_graph',
 
1428
             ('quack/', ''))],
 
1429
            client._calls)
 
1430
        self.assertEqual({rev_id: ('null:',)}, parents)
 
1431
 
 
1432
    def test_get_parent_map_unexpected_response(self):
 
1433
        repo, client = self.setup_fake_client_and_repository('path')
 
1434
        client.add_success_response('something unexpected!')
 
1435
        self.assertRaises(
 
1436
            errors.UnexpectedSmartServerResponse,
 
1437
            repo.get_parent_map, ['a-revision-id'])
 
1438
 
 
1439
 
 
1440
class TestGetParentMapAllowsNew(tests.TestCaseWithTransport):
 
1441
 
 
1442
    def test_allows_new_revisions(self):
 
1443
        """get_parent_map's results can be updated by commit."""
 
1444
        smart_server = server.SmartTCPServer_for_testing()
 
1445
        smart_server.setUp()
 
1446
        self.addCleanup(smart_server.tearDown)
 
1447
        self.make_branch('branch')
 
1448
        branch = Branch.open(smart_server.get_url() + '/branch')
 
1449
        tree = branch.create_checkout('tree', lightweight=True)
 
1450
        tree.lock_write()
 
1451
        self.addCleanup(tree.unlock)
 
1452
        graph = tree.branch.repository.get_graph()
 
1453
        # This provides an opportunity for the missing rev-id to be cached.
 
1454
        self.assertEqual({}, graph.get_parent_map(['rev1']))
 
1455
        tree.commit('message', rev_id='rev1')
 
1456
        graph = tree.branch.repository.get_graph()
 
1457
        self.assertEqual({'rev1': ('null:',)}, graph.get_parent_map(['rev1']))
 
1458
 
 
1459
 
 
1460
class TestRepositoryGetRevisionGraph(TestRemoteRepository):
 
1461
 
 
1462
    def test_null_revision(self):
 
1463
        # a null revision has the predictable result {}, we should have no wire
 
1464
        # traffic when calling it with this argument
 
1465
        transport_path = 'empty'
 
1466
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1467
        client.add_success_response('notused')
 
1468
        result = self.applyDeprecated(one_four, repo.get_revision_graph,
 
1469
            NULL_REVISION)
 
1470
        self.assertEqual([], client._calls)
 
1471
        self.assertEqual({}, result)
 
1472
 
 
1473
    def test_none_revision(self):
 
1474
        # with none we want the entire graph
 
1475
        r1 = u'\u0e33'.encode('utf8')
 
1476
        r2 = u'\u0dab'.encode('utf8')
 
1477
        lines = [' '.join([r2, r1]), r1]
 
1478
        encoded_body = '\n'.join(lines)
 
1479
 
 
1480
        transport_path = 'sinhala'
 
1481
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1482
        client.add_success_response_with_body(encoded_body, 'ok')
 
1483
        result = self.applyDeprecated(one_four, repo.get_revision_graph)
 
1484
        self.assertEqual(
 
1485
            [('call_expecting_body', 'Repository.get_revision_graph',
 
1486
             ('sinhala/', ''))],
 
1487
            client._calls)
 
1488
        self.assertEqual({r1: (), r2: (r1, )}, result)
 
1489
 
 
1490
    def test_specific_revision(self):
 
1491
        # with a specific revision we want the graph for that
 
1492
        # with none we want the entire graph
 
1493
        r11 = u'\u0e33'.encode('utf8')
 
1494
        r12 = u'\xc9'.encode('utf8')
 
1495
        r2 = u'\u0dab'.encode('utf8')
 
1496
        lines = [' '.join([r2, r11, r12]), r11, r12]
 
1497
        encoded_body = '\n'.join(lines)
 
1498
 
 
1499
        transport_path = 'sinhala'
 
1500
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1501
        client.add_success_response_with_body(encoded_body, 'ok')
 
1502
        result = self.applyDeprecated(one_four, repo.get_revision_graph, r2)
 
1503
        self.assertEqual(
 
1504
            [('call_expecting_body', 'Repository.get_revision_graph',
 
1505
             ('sinhala/', r2))],
 
1506
            client._calls)
 
1507
        self.assertEqual({r11: (), r12: (), r2: (r11, r12), }, result)
 
1508
 
 
1509
    def test_no_such_revision(self):
 
1510
        revid = '123'
 
1511
        transport_path = 'sinhala'
 
1512
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1513
        client.add_error_response('nosuchrevision', revid)
 
1514
        # also check that the right revision is reported in the error
 
1515
        self.assertRaises(errors.NoSuchRevision,
 
1516
            self.applyDeprecated, one_four, repo.get_revision_graph, revid)
 
1517
        self.assertEqual(
 
1518
            [('call_expecting_body', 'Repository.get_revision_graph',
 
1519
             ('sinhala/', revid))],
 
1520
            client._calls)
 
1521
 
 
1522
    def test_unexpected_error(self):
 
1523
        revid = '123'
 
1524
        transport_path = 'sinhala'
 
1525
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1526
        client.add_error_response('AnUnexpectedError')
 
1527
        e = self.assertRaises(errors.UnknownErrorFromSmartServer,
 
1528
            self.applyDeprecated, one_four, repo.get_revision_graph, revid)
 
1529
        self.assertEqual(('AnUnexpectedError',), e.error_tuple)
 
1530
 
 
1531
 
 
1532
class TestRepositoryIsShared(TestRemoteRepository):
 
1533
 
 
1534
    def test_is_shared(self):
 
1535
        # ('yes', ) for Repository.is_shared -> 'True'.
 
1536
        transport_path = 'quack'
 
1537
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1538
        client.add_success_response('yes')
 
1539
        result = repo.is_shared()
 
1540
        self.assertEqual(
 
1541
            [('call', 'Repository.is_shared', ('quack/',))],
 
1542
            client._calls)
 
1543
        self.assertEqual(True, result)
 
1544
 
 
1545
    def test_is_not_shared(self):
 
1546
        # ('no', ) for Repository.is_shared -> 'False'.
 
1547
        transport_path = 'qwack'
 
1548
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1549
        client.add_success_response('no')
 
1550
        result = repo.is_shared()
 
1551
        self.assertEqual(
 
1552
            [('call', 'Repository.is_shared', ('qwack/',))],
 
1553
            client._calls)
 
1554
        self.assertEqual(False, result)
 
1555
 
 
1556
 
 
1557
class TestRepositoryLockWrite(TestRemoteRepository):
 
1558
 
 
1559
    def test_lock_write(self):
 
1560
        transport_path = 'quack'
 
1561
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1562
        client.add_success_response('ok', 'a token')
 
1563
        result = repo.lock_write()
 
1564
        self.assertEqual(
 
1565
            [('call', 'Repository.lock_write', ('quack/', ''))],
 
1566
            client._calls)
 
1567
        self.assertEqual('a token', result)
 
1568
 
 
1569
    def test_lock_write_already_locked(self):
 
1570
        transport_path = 'quack'
 
1571
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1572
        client.add_error_response('LockContention')
 
1573
        self.assertRaises(errors.LockContention, repo.lock_write)
 
1574
        self.assertEqual(
 
1575
            [('call', 'Repository.lock_write', ('quack/', ''))],
 
1576
            client._calls)
 
1577
 
 
1578
    def test_lock_write_unlockable(self):
 
1579
        transport_path = 'quack'
 
1580
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1581
        client.add_error_response('UnlockableTransport')
 
1582
        self.assertRaises(errors.UnlockableTransport, repo.lock_write)
 
1583
        self.assertEqual(
 
1584
            [('call', 'Repository.lock_write', ('quack/', ''))],
 
1585
            client._calls)
 
1586
 
 
1587
 
 
1588
class TestRepositorySetMakeWorkingTrees(TestRemoteRepository):
 
1589
 
 
1590
    def test_backwards_compat(self):
 
1591
        self.setup_smart_server_with_call_log()
 
1592
        repo = self.make_repository('.')
 
1593
        self.reset_smart_call_log()
 
1594
        verb = 'Repository.set_make_working_trees'
 
1595
        self.disable_verb(verb)
 
1596
        repo.set_make_working_trees(True)
 
1597
        call_count = len([call for call in self.hpss_calls if
 
1598
            call[0].method == verb])
 
1599
        self.assertEqual(1, call_count)
 
1600
 
 
1601
    def test_current(self):
 
1602
        transport_path = 'quack'
 
1603
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1604
        client.add_expected_call(
 
1605
            'Repository.set_make_working_trees', ('quack/', 'True'),
 
1606
            'success', ('ok',))
 
1607
        client.add_expected_call(
 
1608
            'Repository.set_make_working_trees', ('quack/', 'False'),
 
1609
            'success', ('ok',))
 
1610
        repo.set_make_working_trees(True)
 
1611
        repo.set_make_working_trees(False)
 
1612
 
 
1613
 
 
1614
class TestRepositoryUnlock(TestRemoteRepository):
 
1615
 
 
1616
    def test_unlock(self):
 
1617
        transport_path = 'quack'
 
1618
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1619
        client.add_success_response('ok', 'a token')
 
1620
        client.add_success_response('ok')
 
1621
        repo.lock_write()
 
1622
        repo.unlock()
 
1623
        self.assertEqual(
 
1624
            [('call', 'Repository.lock_write', ('quack/', '')),
 
1625
             ('call', 'Repository.unlock', ('quack/', 'a token'))],
 
1626
            client._calls)
 
1627
 
 
1628
    def test_unlock_wrong_token(self):
 
1629
        # If somehow the token is wrong, unlock will raise TokenMismatch.
 
1630
        transport_path = 'quack'
 
1631
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1632
        client.add_success_response('ok', 'a token')
 
1633
        client.add_error_response('TokenMismatch')
 
1634
        repo.lock_write()
 
1635
        self.assertRaises(errors.TokenMismatch, repo.unlock)
 
1636
 
 
1637
 
 
1638
class TestRepositoryHasRevision(TestRemoteRepository):
 
1639
 
 
1640
    def test_none(self):
 
1641
        # repo.has_revision(None) should not cause any traffic.
 
1642
        transport_path = 'quack'
 
1643
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1644
 
 
1645
        # The null revision is always there, so has_revision(None) == True.
 
1646
        self.assertEqual(True, repo.has_revision(NULL_REVISION))
 
1647
 
 
1648
        # The remote repo shouldn't be accessed.
 
1649
        self.assertEqual([], client._calls)
 
1650
 
 
1651
 
 
1652
class TestRepositoryTarball(TestRemoteRepository):
 
1653
 
 
1654
    # This is a canned tarball reponse we can validate against
 
1655
    tarball_content = (
 
1656
        'QlpoOTFBWSZTWdGkj3wAAWF/k8aQACBIB//A9+8cIX/v33AACEAYABAECEACNz'
 
1657
        'JqsgJJFPTSnk1A3qh6mTQAAAANPUHkagkSTEkaA09QaNAAAGgAAAcwCYCZGAEY'
 
1658
        'mJhMJghpiaYBUkKammSHqNMZQ0NABkNAeo0AGneAevnlwQoGzEzNVzaYxp/1Uk'
 
1659
        'xXzA1CQX0BJMZZLcPBrluJir5SQyijWHYZ6ZUtVqqlYDdB2QoCwa9GyWwGYDMA'
 
1660
        'OQYhkpLt/OKFnnlT8E0PmO8+ZNSo2WWqeCzGB5fBXZ3IvV7uNJVE7DYnWj6qwB'
 
1661
        'k5DJDIrQ5OQHHIjkS9KqwG3mc3t+F1+iujb89ufyBNIKCgeZBWrl5cXxbMGoMs'
 
1662
        'c9JuUkg5YsiVcaZJurc6KLi6yKOkgCUOlIlOpOoXyrTJjK8ZgbklReDdwGmFgt'
 
1663
        'dkVsAIslSVCd4AtACSLbyhLHryfb14PKegrVDba+U8OL6KQtzdM5HLjAc8/p6n'
 
1664
        '0lgaWU8skgO7xupPTkyuwheSckejFLK5T4ZOo0Gda9viaIhpD1Qn7JqqlKAJqC'
 
1665
        'QplPKp2nqBWAfwBGaOwVrz3y1T+UZZNismXHsb2Jq18T+VaD9k4P8DqE3g70qV'
 
1666
        'JLurpnDI6VS5oqDDPVbtVjMxMxMg4rzQVipn2Bv1fVNK0iq3Gl0hhnnHKm/egy'
 
1667
        'nWQ7QH/F3JFOFCQ0aSPfA='
 
1668
        ).decode('base64')
 
1669
 
 
1670
    def test_repository_tarball(self):
 
1671
        # Test that Repository.tarball generates the right operations
 
1672
        transport_path = 'repo'
 
1673
        expected_calls = [('call_expecting_body', 'Repository.tarball',
 
1674
                           ('repo/', 'bz2',),),
 
1675
            ]
 
1676
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1677
        client.add_success_response_with_body(self.tarball_content, 'ok')
 
1678
        # Now actually ask for the tarball
 
1679
        tarball_file = repo._get_tarball('bz2')
 
1680
        try:
 
1681
            self.assertEqual(expected_calls, client._calls)
 
1682
            self.assertEqual(self.tarball_content, tarball_file.read())
 
1683
        finally:
 
1684
            tarball_file.close()
 
1685
 
 
1686
 
 
1687
class TestRemoteRepositoryCopyContent(tests.TestCaseWithTransport):
 
1688
    """RemoteRepository.copy_content_into optimizations"""
 
1689
 
 
1690
    def test_copy_content_remote_to_local(self):
 
1691
        self.transport_server = server.SmartTCPServer_for_testing
 
1692
        src_repo = self.make_repository('repo1')
 
1693
        src_repo = repository.Repository.open(self.get_url('repo1'))
 
1694
        # At the moment the tarball-based copy_content_into can't write back
 
1695
        # into a smart server.  It would be good if it could upload the
 
1696
        # tarball; once that works we'd have to create repositories of
 
1697
        # different formats. -- mbp 20070410
 
1698
        dest_url = self.get_vfs_only_url('repo2')
 
1699
        dest_bzrdir = BzrDir.create(dest_url)
 
1700
        dest_repo = dest_bzrdir.create_repository()
 
1701
        self.assertFalse(isinstance(dest_repo, RemoteRepository))
 
1702
        self.assertTrue(isinstance(src_repo, RemoteRepository))
 
1703
        src_repo.copy_content_into(dest_repo)
 
1704
 
 
1705
 
 
1706
class _StubRealPackRepository(object):
 
1707
 
 
1708
    def __init__(self, calls):
 
1709
        self._pack_collection = _StubPackCollection(calls)
 
1710
 
 
1711
 
 
1712
class _StubPackCollection(object):
 
1713
 
 
1714
    def __init__(self, calls):
 
1715
        self.calls = calls
 
1716
 
 
1717
    def autopack(self):
 
1718
        self.calls.append(('pack collection autopack',))
 
1719
 
 
1720
    def reload_pack_names(self):
 
1721
        self.calls.append(('pack collection reload_pack_names',))
 
1722
 
 
1723
 
 
1724
class TestRemotePackRepositoryAutoPack(TestRemoteRepository):
 
1725
    """Tests for RemoteRepository.autopack implementation."""
 
1726
 
 
1727
    def test_ok(self):
 
1728
        """When the server returns 'ok' and there's no _real_repository, then
 
1729
        nothing else happens: the autopack method is done.
 
1730
        """
 
1731
        transport_path = 'quack'
 
1732
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1733
        client.add_expected_call(
 
1734
            'PackRepository.autopack', ('quack/',), 'success', ('ok',))
 
1735
        repo.autopack()
 
1736
        client.finished_test()
 
1737
 
 
1738
    def test_ok_with_real_repo(self):
 
1739
        """When the server returns 'ok' and there is a _real_repository, then
 
1740
        the _real_repository's reload_pack_name's method will be called.
 
1741
        """
 
1742
        transport_path = 'quack'
 
1743
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1744
        client.add_expected_call(
 
1745
            'PackRepository.autopack', ('quack/',),
 
1746
            'success', ('ok',))
 
1747
        repo._real_repository = _StubRealPackRepository(client._calls)
 
1748
        repo.autopack()
 
1749
        self.assertEqual(
 
1750
            [('call', 'PackRepository.autopack', ('quack/',)),
 
1751
             ('pack collection reload_pack_names',)],
 
1752
            client._calls)
 
1753
 
 
1754
    def test_backwards_compatibility(self):
 
1755
        """If the server does not recognise the PackRepository.autopack verb,
 
1756
        fallback to the real_repository's implementation.
 
1757
        """
 
1758
        transport_path = 'quack'
 
1759
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1760
        client.add_unknown_method_response('PackRepository.autopack')
 
1761
        def stub_ensure_real():
 
1762
            client._calls.append(('_ensure_real',))
 
1763
            repo._real_repository = _StubRealPackRepository(client._calls)
 
1764
        repo._ensure_real = stub_ensure_real
 
1765
        repo.autopack()
 
1766
        self.assertEqual(
 
1767
            [('call', 'PackRepository.autopack', ('quack/',)),
 
1768
             ('_ensure_real',),
 
1769
             ('pack collection autopack',)],
 
1770
            client._calls)
 
1771
 
 
1772
 
 
1773
class TestErrorTranslationBase(tests.TestCaseWithMemoryTransport):
 
1774
    """Base class for unit tests for bzrlib.remote._translate_error."""
 
1775
 
 
1776
    def translateTuple(self, error_tuple, **context):
 
1777
        """Call _translate_error with an ErrorFromSmartServer built from the
 
1778
        given error_tuple.
 
1779
 
 
1780
        :param error_tuple: A tuple of a smart server response, as would be
 
1781
            passed to an ErrorFromSmartServer.
 
1782
        :kwargs context: context items to call _translate_error with.
 
1783
 
 
1784
        :returns: The error raised by _translate_error.
 
1785
        """
 
1786
        # Raise the ErrorFromSmartServer before passing it as an argument,
 
1787
        # because _translate_error may need to re-raise it with a bare 'raise'
 
1788
        # statement.
 
1789
        server_error = errors.ErrorFromSmartServer(error_tuple)
 
1790
        translated_error = self.translateErrorFromSmartServer(
 
1791
            server_error, **context)
 
1792
        return translated_error
 
1793
 
 
1794
    def translateErrorFromSmartServer(self, error_object, **context):
 
1795
        """Like translateTuple, but takes an already constructed
 
1796
        ErrorFromSmartServer rather than a tuple.
 
1797
        """
 
1798
        try:
 
1799
            raise error_object
 
1800
        except errors.ErrorFromSmartServer, server_error:
 
1801
            translated_error = self.assertRaises(
 
1802
                errors.BzrError, remote._translate_error, server_error,
 
1803
                **context)
 
1804
        return translated_error
 
1805
 
 
1806
 
 
1807
class TestErrorTranslationSuccess(TestErrorTranslationBase):
 
1808
    """Unit tests for bzrlib.remote._translate_error.
 
1809
 
 
1810
    Given an ErrorFromSmartServer (which has an error tuple from a smart
 
1811
    server) and some context, _translate_error raises more specific errors from
 
1812
    bzrlib.errors.
 
1813
 
 
1814
    This test case covers the cases where _translate_error succeeds in
 
1815
    translating an ErrorFromSmartServer to something better.  See
 
1816
    TestErrorTranslationRobustness for other cases.
 
1817
    """
 
1818
 
 
1819
    def test_NoSuchRevision(self):
 
1820
        branch = self.make_branch('')
 
1821
        revid = 'revid'
 
1822
        translated_error = self.translateTuple(
 
1823
            ('NoSuchRevision', revid), branch=branch)
 
1824
        expected_error = errors.NoSuchRevision(branch, revid)
 
1825
        self.assertEqual(expected_error, translated_error)
 
1826
 
 
1827
    def test_nosuchrevision(self):
 
1828
        repository = self.make_repository('')
 
1829
        revid = 'revid'
 
1830
        translated_error = self.translateTuple(
 
1831
            ('nosuchrevision', revid), repository=repository)
 
1832
        expected_error = errors.NoSuchRevision(repository, revid)
 
1833
        self.assertEqual(expected_error, translated_error)
 
1834
 
 
1835
    def test_nobranch(self):
 
1836
        bzrdir = self.make_bzrdir('')
 
1837
        translated_error = self.translateTuple(('nobranch',), bzrdir=bzrdir)
 
1838
        expected_error = errors.NotBranchError(path=bzrdir.root_transport.base)
 
1839
        self.assertEqual(expected_error, translated_error)
 
1840
 
 
1841
    def test_LockContention(self):
 
1842
        translated_error = self.translateTuple(('LockContention',))
 
1843
        expected_error = errors.LockContention('(remote lock)')
 
1844
        self.assertEqual(expected_error, translated_error)
 
1845
 
 
1846
    def test_UnlockableTransport(self):
 
1847
        bzrdir = self.make_bzrdir('')
 
1848
        translated_error = self.translateTuple(
 
1849
            ('UnlockableTransport',), bzrdir=bzrdir)
 
1850
        expected_error = errors.UnlockableTransport(bzrdir.root_transport)
 
1851
        self.assertEqual(expected_error, translated_error)
 
1852
 
 
1853
    def test_LockFailed(self):
 
1854
        lock = 'str() of a server lock'
 
1855
        why = 'str() of why'
 
1856
        translated_error = self.translateTuple(('LockFailed', lock, why))
 
1857
        expected_error = errors.LockFailed(lock, why)
 
1858
        self.assertEqual(expected_error, translated_error)
 
1859
 
 
1860
    def test_TokenMismatch(self):
 
1861
        token = 'a lock token'
 
1862
        translated_error = self.translateTuple(('TokenMismatch',), token=token)
 
1863
        expected_error = errors.TokenMismatch(token, '(remote token)')
 
1864
        self.assertEqual(expected_error, translated_error)
 
1865
 
 
1866
    def test_Diverged(self):
 
1867
        branch = self.make_branch('a')
 
1868
        other_branch = self.make_branch('b')
 
1869
        translated_error = self.translateTuple(
 
1870
            ('Diverged',), branch=branch, other_branch=other_branch)
 
1871
        expected_error = errors.DivergedBranches(branch, other_branch)
 
1872
        self.assertEqual(expected_error, translated_error)
 
1873
 
 
1874
    def test_ReadError_no_args(self):
 
1875
        path = 'a path'
 
1876
        translated_error = self.translateTuple(('ReadError',), path=path)
 
1877
        expected_error = errors.ReadError(path)
 
1878
        self.assertEqual(expected_error, translated_error)
 
1879
 
 
1880
    def test_ReadError(self):
 
1881
        path = 'a path'
 
1882
        translated_error = self.translateTuple(('ReadError', path))
 
1883
        expected_error = errors.ReadError(path)
 
1884
        self.assertEqual(expected_error, translated_error)
 
1885
 
 
1886
    def test_PermissionDenied_no_args(self):
 
1887
        path = 'a path'
 
1888
        translated_error = self.translateTuple(('PermissionDenied',), path=path)
 
1889
        expected_error = errors.PermissionDenied(path)
 
1890
        self.assertEqual(expected_error, translated_error)
 
1891
 
 
1892
    def test_PermissionDenied_one_arg(self):
 
1893
        path = 'a path'
 
1894
        translated_error = self.translateTuple(('PermissionDenied', path))
 
1895
        expected_error = errors.PermissionDenied(path)
 
1896
        self.assertEqual(expected_error, translated_error)
 
1897
 
 
1898
    def test_PermissionDenied_one_arg_and_context(self):
 
1899
        """Given a choice between a path from the local context and a path on
 
1900
        the wire, _translate_error prefers the path from the local context.
 
1901
        """
 
1902
        local_path = 'local path'
 
1903
        remote_path = 'remote path'
 
1904
        translated_error = self.translateTuple(
 
1905
            ('PermissionDenied', remote_path), path=local_path)
 
1906
        expected_error = errors.PermissionDenied(local_path)
 
1907
        self.assertEqual(expected_error, translated_error)
 
1908
 
 
1909
    def test_PermissionDenied_two_args(self):
 
1910
        path = 'a path'
 
1911
        extra = 'a string with extra info'
 
1912
        translated_error = self.translateTuple(
 
1913
            ('PermissionDenied', path, extra))
 
1914
        expected_error = errors.PermissionDenied(path, extra)
 
1915
        self.assertEqual(expected_error, translated_error)
 
1916
 
 
1917
 
 
1918
class TestErrorTranslationRobustness(TestErrorTranslationBase):
 
1919
    """Unit tests for bzrlib.remote._translate_error's robustness.
 
1920
 
 
1921
    TestErrorTranslationSuccess is for cases where _translate_error can
 
1922
    translate successfully.  This class about how _translate_err behaves when
 
1923
    it fails to translate: it re-raises the original error.
 
1924
    """
 
1925
 
 
1926
    def test_unrecognised_server_error(self):
 
1927
        """If the error code from the server is not recognised, the original
 
1928
        ErrorFromSmartServer is propagated unmodified.
 
1929
        """
 
1930
        error_tuple = ('An unknown error tuple',)
 
1931
        server_error = errors.ErrorFromSmartServer(error_tuple)
 
1932
        translated_error = self.translateErrorFromSmartServer(server_error)
 
1933
        expected_error = errors.UnknownErrorFromSmartServer(server_error)
 
1934
        self.assertEqual(expected_error, translated_error)
 
1935
 
 
1936
    def test_context_missing_a_key(self):
 
1937
        """In case of a bug in the client, or perhaps an unexpected response
 
1938
        from a server, _translate_error returns the original error tuple from
 
1939
        the server and mutters a warning.
 
1940
        """
 
1941
        # To translate a NoSuchRevision error _translate_error needs a 'branch'
 
1942
        # in the context dict.  So let's give it an empty context dict instead
 
1943
        # to exercise its error recovery.
 
1944
        empty_context = {}
 
1945
        error_tuple = ('NoSuchRevision', 'revid')
 
1946
        server_error = errors.ErrorFromSmartServer(error_tuple)
 
1947
        translated_error = self.translateErrorFromSmartServer(server_error)
 
1948
        self.assertEqual(server_error, translated_error)
 
1949
        # In addition to re-raising ErrorFromSmartServer, some debug info has
 
1950
        # been muttered to the log file for developer to look at.
 
1951
        self.assertContainsRe(
 
1952
            self._get_log(keep_log_file=True),
 
1953
            "Missing key 'branch' in context")
 
1954
 
 
1955
    def test_path_missing(self):
 
1956
        """Some translations (PermissionDenied, ReadError) can determine the
 
1957
        'path' variable from either the wire or the local context.  If neither
 
1958
        has it, then an error is raised.
 
1959
        """
 
1960
        error_tuple = ('ReadError',)
 
1961
        server_error = errors.ErrorFromSmartServer(error_tuple)
 
1962
        translated_error = self.translateErrorFromSmartServer(server_error)
 
1963
        self.assertEqual(server_error, translated_error)
 
1964
        # In addition to re-raising ErrorFromSmartServer, some debug info has
 
1965
        # been muttered to the log file for developer to look at.
 
1966
        self.assertContainsRe(
 
1967
            self._get_log(keep_log_file=True), "Missing key 'path' in context")
 
1968
 
 
1969
 
 
1970
class TestStacking(tests.TestCaseWithTransport):
 
1971
    """Tests for operations on stacked remote repositories.
 
1972
 
 
1973
    The underlying format type must support stacking.
 
1974
    """
 
1975
 
 
1976
    def test_access_stacked_remote(self):
 
1977
        # based on <http://launchpad.net/bugs/261315>
 
1978
        # make a branch stacked on another repository containing an empty
 
1979
        # revision, then open it over hpss - we should be able to see that
 
1980
        # revision.
 
1981
        base_transport = self.get_transport()
 
1982
        base_builder = self.make_branch_builder('base', format='1.6')
 
1983
        base_builder.start_series()
 
1984
        base_revid = base_builder.build_snapshot('rev-id', None,
 
1985
            [('add', ('', None, 'directory', None))],
 
1986
            'message')
 
1987
        base_builder.finish_series()
 
1988
        stacked_branch = self.make_branch('stacked', format='1.6')
 
1989
        stacked_branch.set_stacked_on_url('../base')
 
1990
        # start a server looking at this
 
1991
        smart_server = server.SmartTCPServer_for_testing()
 
1992
        smart_server.setUp()
 
1993
        self.addCleanup(smart_server.tearDown)
 
1994
        remote_bzrdir = BzrDir.open(smart_server.get_url() + '/stacked')
 
1995
        # can get its branch and repository
 
1996
        remote_branch = remote_bzrdir.open_branch()
 
1997
        remote_repo = remote_branch.repository
 
1998
        remote_repo.lock_read()
 
1999
        try:
 
2000
            # it should have an appropriate fallback repository, which should also
 
2001
            # be a RemoteRepository
 
2002
            self.assertEquals(len(remote_repo._fallback_repositories), 1)
 
2003
            self.assertIsInstance(remote_repo._fallback_repositories[0],
 
2004
                RemoteRepository)
 
2005
            # and it has the revision committed to the underlying repository;
 
2006
            # these have varying implementations so we try several of them
 
2007
            self.assertTrue(remote_repo.has_revisions([base_revid]))
 
2008
            self.assertTrue(remote_repo.has_revision(base_revid))
 
2009
            self.assertEqual(remote_repo.get_revision(base_revid).message,
 
2010
                'message')
 
2011
        finally:
 
2012
            remote_repo.unlock()
 
2013
 
 
2014
    def prepare_stacked_remote_branch(self):
 
2015
        smart_server = server.SmartTCPServer_for_testing()
 
2016
        smart_server.setUp()
 
2017
        self.addCleanup(smart_server.tearDown)
 
2018
        tree1 = self.make_branch_and_tree('tree1')
 
2019
        tree1.commit('rev1', rev_id='rev1')
 
2020
        tree2 = self.make_branch_and_tree('tree2', format='1.6')
 
2021
        tree2.branch.set_stacked_on_url(tree1.branch.base)
 
2022
        branch2 = Branch.open(smart_server.get_url() + '/tree2')
 
2023
        branch2.lock_read()
 
2024
        self.addCleanup(branch2.unlock)
 
2025
        return branch2
 
2026
 
 
2027
    def test_stacked_get_parent_map(self):
 
2028
        # the public implementation of get_parent_map obeys stacking
 
2029
        branch = self.prepare_stacked_remote_branch()
 
2030
        repo = branch.repository
 
2031
        self.assertEqual(['rev1'], repo.get_parent_map(['rev1']).keys())
 
2032
 
 
2033
    def test_unstacked_get_parent_map(self):
 
2034
        # _unstacked_provider.get_parent_map ignores stacking
 
2035
        branch = self.prepare_stacked_remote_branch()
 
2036
        provider = branch.repository._unstacked_provider
 
2037
        self.assertEqual([], provider.get_parent_map(['rev1']).keys())
 
2038
 
 
2039
 
 
2040
class TestRemoteBranchEffort(tests.TestCaseWithTransport):
 
2041
 
 
2042
    def setUp(self):
 
2043
        super(TestRemoteBranchEffort, self).setUp()
 
2044
        # Create a smart server that publishes whatever the backing VFS server
 
2045
        # does.
 
2046
        self.smart_server = server.SmartTCPServer_for_testing()
 
2047
        self.smart_server.setUp(self.get_server())
 
2048
        self.addCleanup(self.smart_server.tearDown)
 
2049
        # Log all HPSS calls into self.hpss_calls.
 
2050
        _SmartClient.hooks.install_named_hook(
 
2051
            'call', self.capture_hpss_call, None)
 
2052
        self.hpss_calls = []
 
2053
 
 
2054
    def capture_hpss_call(self, params):
 
2055
        self.hpss_calls.append(params.method)
 
2056
 
 
2057
    def test_copy_content_into_avoids_revision_history(self):
 
2058
        local = self.make_branch('local')
 
2059
        remote_backing_tree = self.make_branch_and_tree('remote')
 
2060
        remote_backing_tree.commit("Commit.")
 
2061
        remote_branch_url = self.smart_server.get_url() + 'remote'
 
2062
        remote_branch = bzrdir.BzrDir.open(remote_branch_url).open_branch()
 
2063
        local.repository.fetch(remote_branch.repository)
 
2064
        self.hpss_calls = []
 
2065
        remote_branch.copy_content_into(local)
 
2066
        self.assertFalse('Branch.revision_history' in self.hpss_calls)