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Viewing changes to bzrlib/tests/test_remote.py

  • Committer: Martin Pool
  • Date: 2005-06-01 03:16:18 UTC
  • Revision ID: mbp@sourcefrog.net-20050601031618-07f87942ce0e2c25
- fix locking for RemoteBranch
- add RemoteBranch.revision_store

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1
 
# Copyright (C) 2006, 2007, 2008, 2009 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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
 
    branch,
31
 
    bzrdir,
32
 
    config,
33
 
    errors,
34
 
    graph,
35
 
    inventory,
36
 
    inventory_delta,
37
 
    pack,
38
 
    remote,
39
 
    repository,
40
 
    tests,
41
 
    treebuilder,
42
 
    urlutils,
43
 
    versionedfile,
44
 
    )
45
 
from bzrlib.branch import Branch
46
 
from bzrlib.bzrdir import BzrDir, BzrDirFormat
47
 
from bzrlib.remote import (
48
 
    RemoteBranch,
49
 
    RemoteBranchFormat,
50
 
    RemoteBzrDir,
51
 
    RemoteBzrDirFormat,
52
 
    RemoteRepository,
53
 
    RemoteRepositoryFormat,
54
 
    )
55
 
from bzrlib.repofmt import groupcompress_repo, pack_repo
56
 
from bzrlib.revision import NULL_REVISION
57
 
from bzrlib.smart import server, medium
58
 
from bzrlib.smart.client import _SmartClient
59
 
from bzrlib.smart.repository import SmartServerRepositoryGetParentMap
60
 
from bzrlib.tests import (
61
 
    condition_isinstance,
62
 
    split_suite_by_condition,
63
 
    multiply_tests,
64
 
    )
65
 
from bzrlib.transport import get_transport
66
 
from bzrlib.transport.memory import MemoryTransport
67
 
from bzrlib.transport.remote import (
68
 
    RemoteTransport,
69
 
    RemoteSSHTransport,
70
 
    RemoteTCPTransport,
71
 
)
72
 
 
73
 
def load_tests(standard_tests, module, loader):
74
 
    to_adapt, result = split_suite_by_condition(
75
 
        standard_tests, condition_isinstance(BasicRemoteObjectTests))
76
 
    smart_server_version_scenarios = [
77
 
        ('HPSS-v2',
78
 
            {'transport_server': server.SmartTCPServer_for_testing_v2_only}),
79
 
        ('HPSS-v3',
80
 
            {'transport_server': server.SmartTCPServer_for_testing})]
81
 
    return multiply_tests(to_adapt, smart_server_version_scenarios, result)
82
 
 
83
 
 
84
 
class BasicRemoteObjectTests(tests.TestCaseWithTransport):
85
 
 
86
 
    def setUp(self):
87
 
        super(BasicRemoteObjectTests, self).setUp()
88
 
        self.transport = self.get_transport()
89
 
        # make a branch that can be opened over the smart transport
90
 
        self.local_wt = BzrDir.create_standalone_workingtree('.')
91
 
 
92
 
    def tearDown(self):
93
 
        self.transport.disconnect()
94
 
        tests.TestCaseWithTransport.tearDown(self)
95
 
 
96
 
    def test_create_remote_bzrdir(self):
97
 
        b = remote.RemoteBzrDir(self.transport, remote.RemoteBzrDirFormat())
98
 
        self.assertIsInstance(b, BzrDir)
99
 
 
100
 
    def test_open_remote_branch(self):
101
 
        # open a standalone branch in the working directory
102
 
        b = remote.RemoteBzrDir(self.transport, remote.RemoteBzrDirFormat())
103
 
        branch = b.open_branch()
104
 
        self.assertIsInstance(branch, Branch)
105
 
 
106
 
    def test_remote_repository(self):
107
 
        b = BzrDir.open_from_transport(self.transport)
108
 
        repo = b.open_repository()
109
 
        revid = u'\xc823123123'.encode('utf8')
110
 
        self.assertFalse(repo.has_revision(revid))
111
 
        self.local_wt.commit(message='test commit', rev_id=revid)
112
 
        self.assertTrue(repo.has_revision(revid))
113
 
 
114
 
    def test_remote_branch_revision_history(self):
115
 
        b = BzrDir.open_from_transport(self.transport).open_branch()
116
 
        self.assertEqual([], b.revision_history())
117
 
        r1 = self.local_wt.commit('1st commit')
118
 
        r2 = self.local_wt.commit('1st commit', rev_id=u'\xc8'.encode('utf8'))
119
 
        self.assertEqual([r1, r2], b.revision_history())
120
 
 
121
 
    def test_find_correct_format(self):
122
 
        """Should open a RemoteBzrDir over a RemoteTransport"""
123
 
        fmt = BzrDirFormat.find_format(self.transport)
124
 
        self.assertTrue(RemoteBzrDirFormat
125
 
                        in BzrDirFormat._control_server_formats)
126
 
        self.assertIsInstance(fmt, remote.RemoteBzrDirFormat)
127
 
 
128
 
    def test_open_detected_smart_format(self):
129
 
        fmt = BzrDirFormat.find_format(self.transport)
130
 
        d = fmt.open(self.transport)
131
 
        self.assertIsInstance(d, BzrDir)
132
 
 
133
 
    def test_remote_branch_repr(self):
134
 
        b = BzrDir.open_from_transport(self.transport).open_branch()
135
 
        self.assertStartsWith(str(b), 'RemoteBranch(')
136
 
 
137
 
    def test_remote_bzrdir_repr(self):
138
 
        b = BzrDir.open_from_transport(self.transport)
139
 
        self.assertStartsWith(str(b), 'RemoteBzrDir(')
140
 
 
141
 
    def test_remote_branch_format_supports_stacking(self):
142
 
        t = self.transport
143
 
        self.make_branch('unstackable', format='pack-0.92')
144
 
        b = BzrDir.open_from_transport(t.clone('unstackable')).open_branch()
145
 
        self.assertFalse(b._format.supports_stacking())
146
 
        self.make_branch('stackable', format='1.9')
147
 
        b = BzrDir.open_from_transport(t.clone('stackable')).open_branch()
148
 
        self.assertTrue(b._format.supports_stacking())
149
 
 
150
 
    def test_remote_repo_format_supports_external_references(self):
151
 
        t = self.transport
152
 
        bd = self.make_bzrdir('unstackable', format='pack-0.92')
153
 
        r = bd.create_repository()
154
 
        self.assertFalse(r._format.supports_external_lookups)
155
 
        r = BzrDir.open_from_transport(t.clone('unstackable')).open_repository()
156
 
        self.assertFalse(r._format.supports_external_lookups)
157
 
        bd = self.make_bzrdir('stackable', format='1.9')
158
 
        r = bd.create_repository()
159
 
        self.assertTrue(r._format.supports_external_lookups)
160
 
        r = BzrDir.open_from_transport(t.clone('stackable')).open_repository()
161
 
        self.assertTrue(r._format.supports_external_lookups)
162
 
 
163
 
    def test_remote_branch_set_append_revisions_only(self):
164
 
        # Make a format 1.9 branch, which supports append_revisions_only
165
 
        branch = self.make_branch('branch', format='1.9')
166
 
        config = branch.get_config()
167
 
        branch.set_append_revisions_only(True)
168
 
        self.assertEqual(
169
 
            'True', config.get_user_option('append_revisions_only'))
170
 
        branch.set_append_revisions_only(False)
171
 
        self.assertEqual(
172
 
            'False', config.get_user_option('append_revisions_only'))
173
 
 
174
 
    def test_remote_branch_set_append_revisions_only_upgrade_reqd(self):
175
 
        branch = self.make_branch('branch', format='knit')
176
 
        config = branch.get_config()
177
 
        self.assertRaises(
178
 
            errors.UpgradeRequired, branch.set_append_revisions_only, True)
179
 
 
180
 
 
181
 
class FakeProtocol(object):
182
 
    """Lookalike SmartClientRequestProtocolOne allowing body reading tests."""
183
 
 
184
 
    def __init__(self, body, fake_client):
185
 
        self.body = body
186
 
        self._body_buffer = None
187
 
        self._fake_client = fake_client
188
 
 
189
 
    def read_body_bytes(self, count=-1):
190
 
        if self._body_buffer is None:
191
 
            self._body_buffer = StringIO(self.body)
192
 
        bytes = self._body_buffer.read(count)
193
 
        if self._body_buffer.tell() == len(self._body_buffer.getvalue()):
194
 
            self._fake_client.expecting_body = False
195
 
        return bytes
196
 
 
197
 
    def cancel_read_body(self):
198
 
        self._fake_client.expecting_body = False
199
 
 
200
 
    def read_streamed_body(self):
201
 
        return self.body
202
 
 
203
 
 
204
 
class FakeClient(_SmartClient):
205
 
    """Lookalike for _SmartClient allowing testing."""
206
 
 
207
 
    def __init__(self, fake_medium_base='fake base'):
208
 
        """Create a FakeClient."""
209
 
        self.responses = []
210
 
        self._calls = []
211
 
        self.expecting_body = False
212
 
        # if non-None, this is the list of expected calls, with only the
213
 
        # method name and arguments included.  the body might be hard to
214
 
        # compute so is not included. If a call is None, that call can
215
 
        # be anything.
216
 
        self._expected_calls = None
217
 
        _SmartClient.__init__(self, FakeMedium(self._calls, fake_medium_base))
218
 
 
219
 
    def add_expected_call(self, call_name, call_args, response_type,
220
 
        response_args, response_body=None):
221
 
        if self._expected_calls is None:
222
 
            self._expected_calls = []
223
 
        self._expected_calls.append((call_name, call_args))
224
 
        self.responses.append((response_type, response_args, response_body))
225
 
 
226
 
    def add_success_response(self, *args):
227
 
        self.responses.append(('success', args, None))
228
 
 
229
 
    def add_success_response_with_body(self, body, *args):
230
 
        self.responses.append(('success', args, body))
231
 
        if self._expected_calls is not None:
232
 
            self._expected_calls.append(None)
233
 
 
234
 
    def add_error_response(self, *args):
235
 
        self.responses.append(('error', args))
236
 
 
237
 
    def add_unknown_method_response(self, verb):
238
 
        self.responses.append(('unknown', verb))
239
 
 
240
 
    def finished_test(self):
241
 
        if self._expected_calls:
242
 
            raise AssertionError("%r finished but was still expecting %r"
243
 
                % (self, self._expected_calls[0]))
244
 
 
245
 
    def _get_next_response(self):
246
 
        try:
247
 
            response_tuple = self.responses.pop(0)
248
 
        except IndexError, e:
249
 
            raise AssertionError("%r didn't expect any more calls"
250
 
                % (self,))
251
 
        if response_tuple[0] == 'unknown':
252
 
            raise errors.UnknownSmartMethod(response_tuple[1])
253
 
        elif response_tuple[0] == 'error':
254
 
            raise errors.ErrorFromSmartServer(response_tuple[1])
255
 
        return response_tuple
256
 
 
257
 
    def _check_call(self, method, args):
258
 
        if self._expected_calls is None:
259
 
            # the test should be updated to say what it expects
260
 
            return
261
 
        try:
262
 
            next_call = self._expected_calls.pop(0)
263
 
        except IndexError:
264
 
            raise AssertionError("%r didn't expect any more calls "
265
 
                "but got %r%r"
266
 
                % (self, method, args,))
267
 
        if next_call is None:
268
 
            return
269
 
        if method != next_call[0] or args != next_call[1]:
270
 
            raise AssertionError("%r expected %r%r "
271
 
                "but got %r%r"
272
 
                % (self, next_call[0], next_call[1], method, args,))
273
 
 
274
 
    def call(self, method, *args):
275
 
        self._check_call(method, args)
276
 
        self._calls.append(('call', method, args))
277
 
        return self._get_next_response()[1]
278
 
 
279
 
    def call_expecting_body(self, method, *args):
280
 
        self._check_call(method, args)
281
 
        self._calls.append(('call_expecting_body', method, args))
282
 
        result = self._get_next_response()
283
 
        self.expecting_body = True
284
 
        return result[1], FakeProtocol(result[2], self)
285
 
 
286
 
    def call_with_body_bytes(self, method, args, body):
287
 
        self._check_call(method, args)
288
 
        self._calls.append(('call_with_body_bytes', method, args, body))
289
 
        result = self._get_next_response()
290
 
        return result[1], FakeProtocol(result[2], self)
291
 
 
292
 
    def call_with_body_bytes_expecting_body(self, method, args, body):
293
 
        self._check_call(method, args)
294
 
        self._calls.append(('call_with_body_bytes_expecting_body', method,
295
 
            args, body))
296
 
        result = self._get_next_response()
297
 
        self.expecting_body = True
298
 
        return result[1], FakeProtocol(result[2], self)
299
 
 
300
 
    def call_with_body_stream(self, args, stream):
301
 
        # Explicitly consume the stream before checking for an error, because
302
 
        # that's what happens a real medium.
303
 
        stream = list(stream)
304
 
        self._check_call(args[0], args[1:])
305
 
        self._calls.append(('call_with_body_stream', args[0], args[1:], stream))
306
 
        result = self._get_next_response()
307
 
        # The second value returned from call_with_body_stream is supposed to
308
 
        # be a response_handler object, but so far no tests depend on that.
309
 
        response_handler = None 
310
 
        return result[1], response_handler
311
 
 
312
 
 
313
 
class FakeMedium(medium.SmartClientMedium):
314
 
 
315
 
    def __init__(self, client_calls, base):
316
 
        medium.SmartClientMedium.__init__(self, base)
317
 
        self._client_calls = client_calls
318
 
 
319
 
    def disconnect(self):
320
 
        self._client_calls.append(('disconnect medium',))
321
 
 
322
 
 
323
 
class TestVfsHas(tests.TestCase):
324
 
 
325
 
    def test_unicode_path(self):
326
 
        client = FakeClient('/')
327
 
        client.add_success_response('yes',)
328
 
        transport = RemoteTransport('bzr://localhost/', _client=client)
329
 
        filename = u'/hell\u00d8'.encode('utf8')
330
 
        result = transport.has(filename)
331
 
        self.assertEqual(
332
 
            [('call', 'has', (filename,))],
333
 
            client._calls)
334
 
        self.assertTrue(result)
335
 
 
336
 
 
337
 
class TestRemote(tests.TestCaseWithMemoryTransport):
338
 
 
339
 
    def get_branch_format(self):
340
 
        reference_bzrdir_format = bzrdir.format_registry.get('default')()
341
 
        return reference_bzrdir_format.get_branch_format()
342
 
 
343
 
    def get_repo_format(self):
344
 
        reference_bzrdir_format = bzrdir.format_registry.get('default')()
345
 
        return reference_bzrdir_format.repository_format
346
 
 
347
 
    def assertFinished(self, fake_client):
348
 
        """Assert that all of a FakeClient's expected calls have occurred."""
349
 
        fake_client.finished_test()
350
 
 
351
 
 
352
 
class Test_ClientMedium_remote_path_from_transport(tests.TestCase):
353
 
    """Tests for the behaviour of client_medium.remote_path_from_transport."""
354
 
 
355
 
    def assertRemotePath(self, expected, client_base, transport_base):
356
 
        """Assert that the result of
357
 
        SmartClientMedium.remote_path_from_transport is the expected value for
358
 
        a given client_base and transport_base.
359
 
        """
360
 
        client_medium = medium.SmartClientMedium(client_base)
361
 
        transport = get_transport(transport_base)
362
 
        result = client_medium.remote_path_from_transport(transport)
363
 
        self.assertEqual(expected, result)
364
 
 
365
 
    def test_remote_path_from_transport(self):
366
 
        """SmartClientMedium.remote_path_from_transport calculates a URL for
367
 
        the given transport relative to the root of the client base URL.
368
 
        """
369
 
        self.assertRemotePath('xyz/', 'bzr://host/path', 'bzr://host/xyz')
370
 
        self.assertRemotePath(
371
 
            'path/xyz/', 'bzr://host/path', 'bzr://host/path/xyz')
372
 
 
373
 
    def assertRemotePathHTTP(self, expected, transport_base, relpath):
374
 
        """Assert that the result of
375
 
        HttpTransportBase.remote_path_from_transport is the expected value for
376
 
        a given transport_base and relpath of that transport.  (Note that
377
 
        HttpTransportBase is a subclass of SmartClientMedium)
378
 
        """
379
 
        base_transport = get_transport(transport_base)
380
 
        client_medium = base_transport.get_smart_medium()
381
 
        cloned_transport = base_transport.clone(relpath)
382
 
        result = client_medium.remote_path_from_transport(cloned_transport)
383
 
        self.assertEqual(expected, result)
384
 
 
385
 
    def test_remote_path_from_transport_http(self):
386
 
        """Remote paths for HTTP transports are calculated differently to other
387
 
        transports.  They are just relative to the client base, not the root
388
 
        directory of the host.
389
 
        """
390
 
        for scheme in ['http:', 'https:', 'bzr+http:', 'bzr+https:']:
391
 
            self.assertRemotePathHTTP(
392
 
                '../xyz/', scheme + '//host/path', '../xyz/')
393
 
            self.assertRemotePathHTTP(
394
 
                'xyz/', scheme + '//host/path', 'xyz/')
395
 
 
396
 
 
397
 
class Test_ClientMedium_remote_is_at_least(tests.TestCase):
398
 
    """Tests for the behaviour of client_medium.remote_is_at_least."""
399
 
 
400
 
    def test_initially_unlimited(self):
401
 
        """A fresh medium assumes that the remote side supports all
402
 
        versions.
403
 
        """
404
 
        client_medium = medium.SmartClientMedium('dummy base')
405
 
        self.assertFalse(client_medium._is_remote_before((99, 99)))
406
 
 
407
 
    def test__remember_remote_is_before(self):
408
 
        """Calling _remember_remote_is_before ratchets down the known remote
409
 
        version.
410
 
        """
411
 
        client_medium = medium.SmartClientMedium('dummy base')
412
 
        # Mark the remote side as being less than 1.6.  The remote side may
413
 
        # still be 1.5.
414
 
        client_medium._remember_remote_is_before((1, 6))
415
 
        self.assertTrue(client_medium._is_remote_before((1, 6)))
416
 
        self.assertFalse(client_medium._is_remote_before((1, 5)))
417
 
        # Calling _remember_remote_is_before again with a lower value works.
418
 
        client_medium._remember_remote_is_before((1, 5))
419
 
        self.assertTrue(client_medium._is_remote_before((1, 5)))
420
 
        # You cannot call _remember_remote_is_before with a larger value.
421
 
        self.assertRaises(
422
 
            AssertionError, client_medium._remember_remote_is_before, (1, 9))
423
 
 
424
 
 
425
 
class TestBzrDirCloningMetaDir(TestRemote):
426
 
 
427
 
    def test_backwards_compat(self):
428
 
        self.setup_smart_server_with_call_log()
429
 
        a_dir = self.make_bzrdir('.')
430
 
        self.reset_smart_call_log()
431
 
        verb = 'BzrDir.cloning_metadir'
432
 
        self.disable_verb(verb)
433
 
        format = a_dir.cloning_metadir()
434
 
        call_count = len([call for call in self.hpss_calls if
435
 
            call.call.method == verb])
436
 
        self.assertEqual(1, call_count)
437
 
 
438
 
    def test_branch_reference(self):
439
 
        transport = self.get_transport('quack')
440
 
        referenced = self.make_branch('referenced')
441
 
        expected = referenced.bzrdir.cloning_metadir()
442
 
        client = FakeClient(transport.base)
443
 
        client.add_expected_call(
444
 
            'BzrDir.cloning_metadir', ('quack/', 'False'),
445
 
            'error', ('BranchReference',)),
446
 
        client.add_expected_call(
447
 
            'BzrDir.open_branchV3', ('quack/',),
448
 
            'success', ('ref', self.get_url('referenced'))),
449
 
        a_bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
450
 
            _client=client)
451
 
        result = a_bzrdir.cloning_metadir()
452
 
        # We should have got a control dir matching the referenced branch.
453
 
        self.assertEqual(bzrdir.BzrDirMetaFormat1, type(result))
454
 
        self.assertEqual(expected._repository_format, result._repository_format)
455
 
        self.assertEqual(expected._branch_format, result._branch_format)
456
 
        self.assertFinished(client)
457
 
 
458
 
    def test_current_server(self):
459
 
        transport = self.get_transport('.')
460
 
        transport = transport.clone('quack')
461
 
        self.make_bzrdir('quack')
462
 
        client = FakeClient(transport.base)
463
 
        reference_bzrdir_format = bzrdir.format_registry.get('default')()
464
 
        control_name = reference_bzrdir_format.network_name()
465
 
        client.add_expected_call(
466
 
            'BzrDir.cloning_metadir', ('quack/', 'False'),
467
 
            'success', (control_name, '', ('branch', ''))),
468
 
        a_bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
469
 
            _client=client)
470
 
        result = a_bzrdir.cloning_metadir()
471
 
        # We should have got a reference control dir with default branch and
472
 
        # repository formats.
473
 
        # This pokes a little, just to be sure.
474
 
        self.assertEqual(bzrdir.BzrDirMetaFormat1, type(result))
475
 
        self.assertEqual(None, result._repository_format)
476
 
        self.assertEqual(None, result._branch_format)
477
 
        self.assertFinished(client)
478
 
 
479
 
 
480
 
class TestBzrDirOpen(TestRemote):
481
 
 
482
 
    def make_fake_client_and_transport(self, path='quack'):
483
 
        transport = MemoryTransport()
484
 
        transport.mkdir(path)
485
 
        transport = transport.clone(path)
486
 
        client = FakeClient(transport.base)
487
 
        return client, transport
488
 
 
489
 
    def test_absent(self):
490
 
        client, transport = self.make_fake_client_and_transport()
491
 
        client.add_expected_call(
492
 
            'BzrDir.open_2.1', ('quack/',), 'success', ('no',))
493
 
        self.assertRaises(errors.NotBranchError, RemoteBzrDir, transport,
494
 
                remote.RemoteBzrDirFormat(), _client=client, _force_probe=True)
495
 
        self.assertFinished(client)
496
 
 
497
 
    def test_present_without_workingtree(self):
498
 
        client, transport = self.make_fake_client_and_transport()
499
 
        client.add_expected_call(
500
 
            'BzrDir.open_2.1', ('quack/',), 'success', ('yes', 'no'))
501
 
        bd = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
502
 
            _client=client, _force_probe=True)
503
 
        self.assertIsInstance(bd, RemoteBzrDir)
504
 
        self.assertFalse(bd.has_workingtree())
505
 
        self.assertRaises(errors.NoWorkingTree, bd.open_workingtree)
506
 
        self.assertFinished(client)
507
 
 
508
 
    def test_present_with_workingtree(self):
509
 
        client, transport = self.make_fake_client_and_transport()
510
 
        client.add_expected_call(
511
 
            'BzrDir.open_2.1', ('quack/',), 'success', ('yes', 'yes'))
512
 
        bd = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
513
 
            _client=client, _force_probe=True)
514
 
        self.assertIsInstance(bd, RemoteBzrDir)
515
 
        self.assertTrue(bd.has_workingtree())
516
 
        self.assertRaises(errors.NotLocalUrl, bd.open_workingtree)
517
 
        self.assertFinished(client)
518
 
 
519
 
    def test_backwards_compat(self):
520
 
        client, transport = self.make_fake_client_and_transport()
521
 
        client.add_expected_call(
522
 
            'BzrDir.open_2.1', ('quack/',), 'unknown', ('BzrDir.open_2.1',))
523
 
        client.add_expected_call(
524
 
            'BzrDir.open', ('quack/',), 'success', ('yes',))
525
 
        bd = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
526
 
            _client=client, _force_probe=True)
527
 
        self.assertIsInstance(bd, RemoteBzrDir)
528
 
        self.assertFinished(client)
529
 
 
530
 
 
531
 
class TestBzrDirOpenBranch(TestRemote):
532
 
 
533
 
    def test_backwards_compat(self):
534
 
        self.setup_smart_server_with_call_log()
535
 
        self.make_branch('.')
536
 
        a_dir = BzrDir.open(self.get_url('.'))
537
 
        self.reset_smart_call_log()
538
 
        verb = 'BzrDir.open_branchV3'
539
 
        self.disable_verb(verb)
540
 
        format = a_dir.open_branch()
541
 
        call_count = len([call for call in self.hpss_calls if
542
 
            call.call.method == verb])
543
 
        self.assertEqual(1, call_count)
544
 
 
545
 
    def test_branch_present(self):
546
 
        reference_format = self.get_repo_format()
547
 
        network_name = reference_format.network_name()
548
 
        branch_network_name = self.get_branch_format().network_name()
549
 
        transport = MemoryTransport()
550
 
        transport.mkdir('quack')
551
 
        transport = transport.clone('quack')
552
 
        client = FakeClient(transport.base)
553
 
        client.add_expected_call(
554
 
            'BzrDir.open_branchV3', ('quack/',),
555
 
            'success', ('branch', branch_network_name))
556
 
        client.add_expected_call(
557
 
            'BzrDir.find_repositoryV3', ('quack/',),
558
 
            'success', ('ok', '', 'no', 'no', 'no', network_name))
559
 
        client.add_expected_call(
560
 
            'Branch.get_stacked_on_url', ('quack/',),
561
 
            'error', ('NotStacked',))
562
 
        bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
563
 
            _client=client)
564
 
        result = bzrdir.open_branch()
565
 
        self.assertIsInstance(result, RemoteBranch)
566
 
        self.assertEqual(bzrdir, result.bzrdir)
567
 
        self.assertFinished(client)
568
 
 
569
 
    def test_branch_missing(self):
570
 
        transport = MemoryTransport()
571
 
        transport.mkdir('quack')
572
 
        transport = transport.clone('quack')
573
 
        client = FakeClient(transport.base)
574
 
        client.add_error_response('nobranch')
575
 
        bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
576
 
            _client=client)
577
 
        self.assertRaises(errors.NotBranchError, bzrdir.open_branch)
578
 
        self.assertEqual(
579
 
            [('call', 'BzrDir.open_branchV3', ('quack/',))],
580
 
            client._calls)
581
 
 
582
 
    def test__get_tree_branch(self):
583
 
        # _get_tree_branch is a form of open_branch, but it should only ask for
584
 
        # branch opening, not any other network requests.
585
 
        calls = []
586
 
        def open_branch():
587
 
            calls.append("Called")
588
 
            return "a-branch"
589
 
        transport = MemoryTransport()
590
 
        # no requests on the network - catches other api calls being made.
591
 
        client = FakeClient(transport.base)
592
 
        bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
593
 
            _client=client)
594
 
        # patch the open_branch call to record that it was called.
595
 
        bzrdir.open_branch = open_branch
596
 
        self.assertEqual((None, "a-branch"), bzrdir._get_tree_branch())
597
 
        self.assertEqual(["Called"], calls)
598
 
        self.assertEqual([], client._calls)
599
 
 
600
 
    def test_url_quoting_of_path(self):
601
 
        # Relpaths on the wire should not be URL-escaped.  So "~" should be
602
 
        # transmitted as "~", not "%7E".
603
 
        transport = RemoteTCPTransport('bzr://localhost/~hello/')
604
 
        client = FakeClient(transport.base)
605
 
        reference_format = self.get_repo_format()
606
 
        network_name = reference_format.network_name()
607
 
        branch_network_name = self.get_branch_format().network_name()
608
 
        client.add_expected_call(
609
 
            'BzrDir.open_branchV3', ('~hello/',),
610
 
            'success', ('branch', branch_network_name))
611
 
        client.add_expected_call(
612
 
            'BzrDir.find_repositoryV3', ('~hello/',),
613
 
            'success', ('ok', '', 'no', 'no', 'no', network_name))
614
 
        client.add_expected_call(
615
 
            'Branch.get_stacked_on_url', ('~hello/',),
616
 
            'error', ('NotStacked',))
617
 
        bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
618
 
            _client=client)
619
 
        result = bzrdir.open_branch()
620
 
        self.assertFinished(client)
621
 
 
622
 
    def check_open_repository(self, rich_root, subtrees, external_lookup='no'):
623
 
        reference_format = self.get_repo_format()
624
 
        network_name = reference_format.network_name()
625
 
        transport = MemoryTransport()
626
 
        transport.mkdir('quack')
627
 
        transport = transport.clone('quack')
628
 
        if rich_root:
629
 
            rich_response = 'yes'
630
 
        else:
631
 
            rich_response = 'no'
632
 
        if subtrees:
633
 
            subtree_response = 'yes'
634
 
        else:
635
 
            subtree_response = 'no'
636
 
        client = FakeClient(transport.base)
637
 
        client.add_success_response(
638
 
            'ok', '', rich_response, subtree_response, external_lookup,
639
 
            network_name)
640
 
        bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
641
 
            _client=client)
642
 
        result = bzrdir.open_repository()
643
 
        self.assertEqual(
644
 
            [('call', 'BzrDir.find_repositoryV3', ('quack/',))],
645
 
            client._calls)
646
 
        self.assertIsInstance(result, RemoteRepository)
647
 
        self.assertEqual(bzrdir, result.bzrdir)
648
 
        self.assertEqual(rich_root, result._format.rich_root_data)
649
 
        self.assertEqual(subtrees, result._format.supports_tree_reference)
650
 
 
651
 
    def test_open_repository_sets_format_attributes(self):
652
 
        self.check_open_repository(True, True)
653
 
        self.check_open_repository(False, True)
654
 
        self.check_open_repository(True, False)
655
 
        self.check_open_repository(False, False)
656
 
        self.check_open_repository(False, False, 'yes')
657
 
 
658
 
    def test_old_server(self):
659
 
        """RemoteBzrDirFormat should fail to probe if the server version is too
660
 
        old.
661
 
        """
662
 
        self.assertRaises(errors.NotBranchError,
663
 
            RemoteBzrDirFormat.probe_transport, OldServerTransport())
664
 
 
665
 
 
666
 
class TestBzrDirCreateBranch(TestRemote):
667
 
 
668
 
    def test_backwards_compat(self):
669
 
        self.setup_smart_server_with_call_log()
670
 
        repo = self.make_repository('.')
671
 
        self.reset_smart_call_log()
672
 
        self.disable_verb('BzrDir.create_branch')
673
 
        branch = repo.bzrdir.create_branch()
674
 
        create_branch_call_count = len([call for call in self.hpss_calls if
675
 
            call.call.method == 'BzrDir.create_branch'])
676
 
        self.assertEqual(1, create_branch_call_count)
677
 
 
678
 
    def test_current_server(self):
679
 
        transport = self.get_transport('.')
680
 
        transport = transport.clone('quack')
681
 
        self.make_repository('quack')
682
 
        client = FakeClient(transport.base)
683
 
        reference_bzrdir_format = bzrdir.format_registry.get('default')()
684
 
        reference_format = reference_bzrdir_format.get_branch_format()
685
 
        network_name = reference_format.network_name()
686
 
        reference_repo_fmt = reference_bzrdir_format.repository_format
687
 
        reference_repo_name = reference_repo_fmt.network_name()
688
 
        client.add_expected_call(
689
 
            'BzrDir.create_branch', ('quack/', network_name),
690
 
            'success', ('ok', network_name, '', 'no', 'no', 'yes',
691
 
            reference_repo_name))
692
 
        a_bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
693
 
            _client=client)
694
 
        branch = a_bzrdir.create_branch()
695
 
        # We should have got a remote branch
696
 
        self.assertIsInstance(branch, remote.RemoteBranch)
697
 
        # its format should have the settings from the response
698
 
        format = branch._format
699
 
        self.assertEqual(network_name, format.network_name())
700
 
 
701
 
 
702
 
class TestBzrDirCreateRepository(TestRemote):
703
 
 
704
 
    def test_backwards_compat(self):
705
 
        self.setup_smart_server_with_call_log()
706
 
        bzrdir = self.make_bzrdir('.')
707
 
        self.reset_smart_call_log()
708
 
        self.disable_verb('BzrDir.create_repository')
709
 
        repo = bzrdir.create_repository()
710
 
        create_repo_call_count = len([call for call in self.hpss_calls if
711
 
            call.call.method == 'BzrDir.create_repository'])
712
 
        self.assertEqual(1, create_repo_call_count)
713
 
 
714
 
    def test_current_server(self):
715
 
        transport = self.get_transport('.')
716
 
        transport = transport.clone('quack')
717
 
        self.make_bzrdir('quack')
718
 
        client = FakeClient(transport.base)
719
 
        reference_bzrdir_format = bzrdir.format_registry.get('default')()
720
 
        reference_format = reference_bzrdir_format.repository_format
721
 
        network_name = reference_format.network_name()
722
 
        client.add_expected_call(
723
 
            'BzrDir.create_repository', ('quack/',
724
 
                'Bazaar repository format 2a (needs bzr 1.16 or later)\n',
725
 
                'False'),
726
 
            'success', ('ok', 'yes', 'yes', 'yes', network_name))
727
 
        a_bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
728
 
            _client=client)
729
 
        repo = a_bzrdir.create_repository()
730
 
        # We should have got a remote repository
731
 
        self.assertIsInstance(repo, remote.RemoteRepository)
732
 
        # its format should have the settings from the response
733
 
        format = repo._format
734
 
        self.assertTrue(format.rich_root_data)
735
 
        self.assertTrue(format.supports_tree_reference)
736
 
        self.assertTrue(format.supports_external_lookups)
737
 
        self.assertEqual(network_name, format.network_name())
738
 
 
739
 
 
740
 
class TestBzrDirOpenRepository(TestRemote):
741
 
 
742
 
    def test_backwards_compat_1_2_3(self):
743
 
        # fallback all the way to the first version.
744
 
        reference_format = self.get_repo_format()
745
 
        network_name = reference_format.network_name()
746
 
        server_url = 'bzr://example.com/'
747
 
        self.permit_url(server_url)
748
 
        client = FakeClient(server_url)
749
 
        client.add_unknown_method_response('BzrDir.find_repositoryV3')
750
 
        client.add_unknown_method_response('BzrDir.find_repositoryV2')
751
 
        client.add_success_response('ok', '', 'no', 'no')
752
 
        # A real repository instance will be created to determine the network
753
 
        # name.
754
 
        client.add_success_response_with_body(
755
 
            "Bazaar-NG meta directory, format 1\n", 'ok')
756
 
        client.add_success_response_with_body(
757
 
            reference_format.get_format_string(), 'ok')
758
 
        # PackRepository wants to do a stat
759
 
        client.add_success_response('stat', '0', '65535')
760
 
        remote_transport = RemoteTransport(server_url + 'quack/', medium=False,
761
 
            _client=client)
762
 
        bzrdir = RemoteBzrDir(remote_transport, remote.RemoteBzrDirFormat(),
763
 
            _client=client)
764
 
        repo = bzrdir.open_repository()
765
 
        self.assertEqual(
766
 
            [('call', 'BzrDir.find_repositoryV3', ('quack/',)),
767
 
             ('call', 'BzrDir.find_repositoryV2', ('quack/',)),
768
 
             ('call', 'BzrDir.find_repository', ('quack/',)),
769
 
             ('call_expecting_body', 'get', ('/quack/.bzr/branch-format',)),
770
 
             ('call_expecting_body', 'get', ('/quack/.bzr/repository/format',)),
771
 
             ('call', 'stat', ('/quack/.bzr/repository',)),
772
 
             ],
773
 
            client._calls)
774
 
        self.assertEqual(network_name, repo._format.network_name())
775
 
 
776
 
    def test_backwards_compat_2(self):
777
 
        # fallback to find_repositoryV2
778
 
        reference_format = self.get_repo_format()
779
 
        network_name = reference_format.network_name()
780
 
        server_url = 'bzr://example.com/'
781
 
        self.permit_url(server_url)
782
 
        client = FakeClient(server_url)
783
 
        client.add_unknown_method_response('BzrDir.find_repositoryV3')
784
 
        client.add_success_response('ok', '', 'no', 'no', 'no')
785
 
        # A real repository instance will be created to determine the network
786
 
        # name.
787
 
        client.add_success_response_with_body(
788
 
            "Bazaar-NG meta directory, format 1\n", 'ok')
789
 
        client.add_success_response_with_body(
790
 
            reference_format.get_format_string(), 'ok')
791
 
        # PackRepository wants to do a stat
792
 
        client.add_success_response('stat', '0', '65535')
793
 
        remote_transport = RemoteTransport(server_url + 'quack/', medium=False,
794
 
            _client=client)
795
 
        bzrdir = RemoteBzrDir(remote_transport, remote.RemoteBzrDirFormat(),
796
 
            _client=client)
797
 
        repo = bzrdir.open_repository()
798
 
        self.assertEqual(
799
 
            [('call', 'BzrDir.find_repositoryV3', ('quack/',)),
800
 
             ('call', 'BzrDir.find_repositoryV2', ('quack/',)),
801
 
             ('call_expecting_body', 'get', ('/quack/.bzr/branch-format',)),
802
 
             ('call_expecting_body', 'get', ('/quack/.bzr/repository/format',)),
803
 
             ('call', 'stat', ('/quack/.bzr/repository',)),
804
 
             ],
805
 
            client._calls)
806
 
        self.assertEqual(network_name, repo._format.network_name())
807
 
 
808
 
    def test_current_server(self):
809
 
        reference_format = self.get_repo_format()
810
 
        network_name = reference_format.network_name()
811
 
        transport = MemoryTransport()
812
 
        transport.mkdir('quack')
813
 
        transport = transport.clone('quack')
814
 
        client = FakeClient(transport.base)
815
 
        client.add_success_response('ok', '', 'no', 'no', 'no', network_name)
816
 
        bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
817
 
            _client=client)
818
 
        repo = bzrdir.open_repository()
819
 
        self.assertEqual(
820
 
            [('call', 'BzrDir.find_repositoryV3', ('quack/',))],
821
 
            client._calls)
822
 
        self.assertEqual(network_name, repo._format.network_name())
823
 
 
824
 
 
825
 
class TestBzrDirFormatInitializeEx(TestRemote):
826
 
 
827
 
    def test_success(self):
828
 
        """Simple test for typical successful call."""
829
 
        fmt = bzrdir.RemoteBzrDirFormat()
830
 
        default_format_name = BzrDirFormat.get_default_format().network_name()
831
 
        transport = self.get_transport()
832
 
        client = FakeClient(transport.base)
833
 
        client.add_expected_call(
834
 
            'BzrDirFormat.initialize_ex_1.16',
835
 
                (default_format_name, 'path', 'False', 'False', 'False', '',
836
 
                 '', '', '', 'False'),
837
 
            'success',
838
 
                ('.', 'no', 'no', 'yes', 'repo fmt', 'repo bzrdir fmt',
839
 
                 'bzrdir fmt', 'False', '', '', 'repo lock token'))
840
 
        # XXX: It would be better to call fmt.initialize_on_transport_ex, but
841
 
        # it's currently hard to test that without supplying a real remote
842
 
        # transport connected to a real server.
843
 
        result = fmt._initialize_on_transport_ex_rpc(client, 'path',
844
 
            transport, False, False, False, None, None, None, None, False)
845
 
        self.assertFinished(client)
846
 
 
847
 
    def test_error(self):
848
 
        """Error responses are translated, e.g. 'PermissionDenied' raises the
849
 
        corresponding error from the client.
850
 
        """
851
 
        fmt = bzrdir.RemoteBzrDirFormat()
852
 
        default_format_name = BzrDirFormat.get_default_format().network_name()
853
 
        transport = self.get_transport()
854
 
        client = FakeClient(transport.base)
855
 
        client.add_expected_call(
856
 
            'BzrDirFormat.initialize_ex_1.16',
857
 
                (default_format_name, 'path', 'False', 'False', 'False', '',
858
 
                 '', '', '', 'False'),
859
 
            'error',
860
 
                ('PermissionDenied', 'path', 'extra info'))
861
 
        # XXX: It would be better to call fmt.initialize_on_transport_ex, but
862
 
        # it's currently hard to test that without supplying a real remote
863
 
        # transport connected to a real server.
864
 
        err = self.assertRaises(errors.PermissionDenied,
865
 
            fmt._initialize_on_transport_ex_rpc, client, 'path', transport,
866
 
            False, False, False, None, None, None, None, False)
867
 
        self.assertEqual('path', err.path)
868
 
        self.assertEqual(': extra info', err.extra)
869
 
        self.assertFinished(client)
870
 
 
871
 
    def test_error_from_real_server(self):
872
 
        """Integration test for error translation."""
873
 
        transport = self.make_smart_server('foo')
874
 
        transport = transport.clone('no-such-path')
875
 
        fmt = bzrdir.RemoteBzrDirFormat()
876
 
        err = self.assertRaises(errors.NoSuchFile,
877
 
            fmt.initialize_on_transport_ex, transport, create_prefix=False)
878
 
 
879
 
 
880
 
class OldSmartClient(object):
881
 
    """A fake smart client for test_old_version that just returns a version one
882
 
    response to the 'hello' (query version) command.
883
 
    """
884
 
 
885
 
    def get_request(self):
886
 
        input_file = StringIO('ok\x011\n')
887
 
        output_file = StringIO()
888
 
        client_medium = medium.SmartSimplePipesClientMedium(
889
 
            input_file, output_file)
890
 
        return medium.SmartClientStreamMediumRequest(client_medium)
891
 
 
892
 
    def protocol_version(self):
893
 
        return 1
894
 
 
895
 
 
896
 
class OldServerTransport(object):
897
 
    """A fake transport for test_old_server that reports it's smart server
898
 
    protocol version as version one.
899
 
    """
900
 
 
901
 
    def __init__(self):
902
 
        self.base = 'fake:'
903
 
 
904
 
    def get_smart_client(self):
905
 
        return OldSmartClient()
906
 
 
907
 
 
908
 
class RemoteBzrDirTestCase(TestRemote):
909
 
 
910
 
    def make_remote_bzrdir(self, transport, client):
911
 
        """Make a RemotebzrDir using 'client' as the _client."""
912
 
        return RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
913
 
            _client=client)
914
 
 
915
 
 
916
 
class RemoteBranchTestCase(RemoteBzrDirTestCase):
917
 
 
918
 
    def lock_remote_branch(self, branch):
919
 
        """Trick a RemoteBranch into thinking it is locked."""
920
 
        branch._lock_mode = 'w'
921
 
        branch._lock_count = 2
922
 
        branch._lock_token = 'branch token'
923
 
        branch._repo_lock_token = 'repo token'
924
 
        branch.repository._lock_mode = 'w'
925
 
        branch.repository._lock_count = 2
926
 
        branch.repository._lock_token = 'repo token'
927
 
 
928
 
    def make_remote_branch(self, transport, client):
929
 
        """Make a RemoteBranch using 'client' as its _SmartClient.
930
 
 
931
 
        A RemoteBzrDir and RemoteRepository will also be created to fill out
932
 
        the RemoteBranch, albeit with stub values for some of their attributes.
933
 
        """
934
 
        # we do not want bzrdir to make any remote calls, so use False as its
935
 
        # _client.  If it tries to make a remote call, this will fail
936
 
        # immediately.
937
 
        bzrdir = self.make_remote_bzrdir(transport, False)
938
 
        repo = RemoteRepository(bzrdir, None, _client=client)
939
 
        branch_format = self.get_branch_format()
940
 
        format = RemoteBranchFormat(network_name=branch_format.network_name())
941
 
        return RemoteBranch(bzrdir, repo, _client=client, format=format)
942
 
 
943
 
 
944
 
class TestBranchGetParent(RemoteBranchTestCase):
945
 
 
946
 
    def test_no_parent(self):
947
 
        # in an empty branch we decode the response properly
948
 
        transport = MemoryTransport()
949
 
        client = FakeClient(transport.base)
950
 
        client.add_expected_call(
951
 
            'Branch.get_stacked_on_url', ('quack/',),
952
 
            'error', ('NotStacked',))
953
 
        client.add_expected_call(
954
 
            'Branch.get_parent', ('quack/',),
955
 
            'success', ('',))
956
 
        transport.mkdir('quack')
957
 
        transport = transport.clone('quack')
958
 
        branch = self.make_remote_branch(transport, client)
959
 
        result = branch.get_parent()
960
 
        self.assertFinished(client)
961
 
        self.assertEqual(None, result)
962
 
 
963
 
    def test_parent_relative(self):
964
 
        transport = MemoryTransport()
965
 
        client = FakeClient(transport.base)
966
 
        client.add_expected_call(
967
 
            'Branch.get_stacked_on_url', ('kwaak/',),
968
 
            'error', ('NotStacked',))
969
 
        client.add_expected_call(
970
 
            'Branch.get_parent', ('kwaak/',),
971
 
            'success', ('../foo/',))
972
 
        transport.mkdir('kwaak')
973
 
        transport = transport.clone('kwaak')
974
 
        branch = self.make_remote_branch(transport, client)
975
 
        result = branch.get_parent()
976
 
        self.assertEqual(transport.clone('../foo').base, result)
977
 
 
978
 
    def test_parent_absolute(self):
979
 
        transport = MemoryTransport()
980
 
        client = FakeClient(transport.base)
981
 
        client.add_expected_call(
982
 
            'Branch.get_stacked_on_url', ('kwaak/',),
983
 
            'error', ('NotStacked',))
984
 
        client.add_expected_call(
985
 
            'Branch.get_parent', ('kwaak/',),
986
 
            'success', ('http://foo/',))
987
 
        transport.mkdir('kwaak')
988
 
        transport = transport.clone('kwaak')
989
 
        branch = self.make_remote_branch(transport, client)
990
 
        result = branch.get_parent()
991
 
        self.assertEqual('http://foo/', result)
992
 
        self.assertFinished(client)
993
 
 
994
 
 
995
 
class TestBranchSetParentLocation(RemoteBranchTestCase):
996
 
 
997
 
    def test_no_parent(self):
998
 
        # We call the verb when setting parent to None
999
 
        transport = MemoryTransport()
1000
 
        client = FakeClient(transport.base)
1001
 
        client.add_expected_call(
1002
 
            'Branch.get_stacked_on_url', ('quack/',),
1003
 
            'error', ('NotStacked',))
1004
 
        client.add_expected_call(
1005
 
            'Branch.set_parent_location', ('quack/', 'b', 'r', ''),
1006
 
            'success', ())
1007
 
        transport.mkdir('quack')
1008
 
        transport = transport.clone('quack')
1009
 
        branch = self.make_remote_branch(transport, client)
1010
 
        branch._lock_token = 'b'
1011
 
        branch._repo_lock_token = 'r'
1012
 
        branch._set_parent_location(None)
1013
 
        self.assertFinished(client)
1014
 
 
1015
 
    def test_parent(self):
1016
 
        transport = MemoryTransport()
1017
 
        client = FakeClient(transport.base)
1018
 
        client.add_expected_call(
1019
 
            'Branch.get_stacked_on_url', ('kwaak/',),
1020
 
            'error', ('NotStacked',))
1021
 
        client.add_expected_call(
1022
 
            'Branch.set_parent_location', ('kwaak/', 'b', 'r', 'foo'),
1023
 
            'success', ())
1024
 
        transport.mkdir('kwaak')
1025
 
        transport = transport.clone('kwaak')
1026
 
        branch = self.make_remote_branch(transport, client)
1027
 
        branch._lock_token = 'b'
1028
 
        branch._repo_lock_token = 'r'
1029
 
        branch._set_parent_location('foo')
1030
 
        self.assertFinished(client)
1031
 
 
1032
 
    def test_backwards_compat(self):
1033
 
        self.setup_smart_server_with_call_log()
1034
 
        branch = self.make_branch('.')
1035
 
        self.reset_smart_call_log()
1036
 
        verb = 'Branch.set_parent_location'
1037
 
        self.disable_verb(verb)
1038
 
        branch.set_parent('http://foo/')
1039
 
        self.assertLength(12, self.hpss_calls)
1040
 
 
1041
 
 
1042
 
class TestBranchGetTagsBytes(RemoteBranchTestCase):
1043
 
 
1044
 
    def test_backwards_compat(self):
1045
 
        self.setup_smart_server_with_call_log()
1046
 
        branch = self.make_branch('.')
1047
 
        self.reset_smart_call_log()
1048
 
        verb = 'Branch.get_tags_bytes'
1049
 
        self.disable_verb(verb)
1050
 
        branch.tags.get_tag_dict()
1051
 
        call_count = len([call for call in self.hpss_calls if
1052
 
            call.call.method == verb])
1053
 
        self.assertEqual(1, call_count)
1054
 
 
1055
 
    def test_trivial(self):
1056
 
        transport = MemoryTransport()
1057
 
        client = FakeClient(transport.base)
1058
 
        client.add_expected_call(
1059
 
            'Branch.get_stacked_on_url', ('quack/',),
1060
 
            'error', ('NotStacked',))
1061
 
        client.add_expected_call(
1062
 
            'Branch.get_tags_bytes', ('quack/',),
1063
 
            'success', ('',))
1064
 
        transport.mkdir('quack')
1065
 
        transport = transport.clone('quack')
1066
 
        branch = self.make_remote_branch(transport, client)
1067
 
        result = branch.tags.get_tag_dict()
1068
 
        self.assertFinished(client)
1069
 
        self.assertEqual({}, result)
1070
 
 
1071
 
 
1072
 
class TestBranchSetTagsBytes(RemoteBranchTestCase):
1073
 
 
1074
 
    def test_trivial(self):
1075
 
        transport = MemoryTransport()
1076
 
        client = FakeClient(transport.base)
1077
 
        client.add_expected_call(
1078
 
            'Branch.get_stacked_on_url', ('quack/',),
1079
 
            'error', ('NotStacked',))
1080
 
        client.add_expected_call(
1081
 
            'Branch.set_tags_bytes', ('quack/', 'branch token', 'repo token'),
1082
 
            'success', ('',))
1083
 
        transport.mkdir('quack')
1084
 
        transport = transport.clone('quack')
1085
 
        branch = self.make_remote_branch(transport, client)
1086
 
        self.lock_remote_branch(branch)
1087
 
        branch._set_tags_bytes('tags bytes')
1088
 
        self.assertFinished(client)
1089
 
        self.assertEqual('tags bytes', client._calls[-1][-1])
1090
 
 
1091
 
    def test_backwards_compatible(self):
1092
 
        transport = MemoryTransport()
1093
 
        client = FakeClient(transport.base)
1094
 
        client.add_expected_call(
1095
 
            'Branch.get_stacked_on_url', ('quack/',),
1096
 
            'error', ('NotStacked',))
1097
 
        client.add_expected_call(
1098
 
            'Branch.set_tags_bytes', ('quack/', 'branch token', 'repo token'),
1099
 
            'unknown', ('Branch.set_tags_bytes',))
1100
 
        transport.mkdir('quack')
1101
 
        transport = transport.clone('quack')
1102
 
        branch = self.make_remote_branch(transport, client)
1103
 
        self.lock_remote_branch(branch)
1104
 
        class StubRealBranch(object):
1105
 
            def __init__(self):
1106
 
                self.calls = []
1107
 
            def _set_tags_bytes(self, bytes):
1108
 
                self.calls.append(('set_tags_bytes', bytes))
1109
 
        real_branch = StubRealBranch()
1110
 
        branch._real_branch = real_branch
1111
 
        branch._set_tags_bytes('tags bytes')
1112
 
        # Call a second time, to exercise the 'remote version already inferred'
1113
 
        # code path.
1114
 
        branch._set_tags_bytes('tags bytes')
1115
 
        self.assertFinished(client)
1116
 
        self.assertEqual(
1117
 
            [('set_tags_bytes', 'tags bytes')] * 2, real_branch.calls)
1118
 
 
1119
 
 
1120
 
class TestBranchLastRevisionInfo(RemoteBranchTestCase):
1121
 
 
1122
 
    def test_empty_branch(self):
1123
 
        # in an empty branch we decode the response properly
1124
 
        transport = MemoryTransport()
1125
 
        client = FakeClient(transport.base)
1126
 
        client.add_expected_call(
1127
 
            'Branch.get_stacked_on_url', ('quack/',),
1128
 
            'error', ('NotStacked',))
1129
 
        client.add_expected_call(
1130
 
            'Branch.last_revision_info', ('quack/',),
1131
 
            'success', ('ok', '0', 'null:'))
1132
 
        transport.mkdir('quack')
1133
 
        transport = transport.clone('quack')
1134
 
        branch = self.make_remote_branch(transport, client)
1135
 
        result = branch.last_revision_info()
1136
 
        self.assertFinished(client)
1137
 
        self.assertEqual((0, NULL_REVISION), result)
1138
 
 
1139
 
    def test_non_empty_branch(self):
1140
 
        # in a non-empty branch we also decode the response properly
1141
 
        revid = u'\xc8'.encode('utf8')
1142
 
        transport = MemoryTransport()
1143
 
        client = FakeClient(transport.base)
1144
 
        client.add_expected_call(
1145
 
            'Branch.get_stacked_on_url', ('kwaak/',),
1146
 
            'error', ('NotStacked',))
1147
 
        client.add_expected_call(
1148
 
            'Branch.last_revision_info', ('kwaak/',),
1149
 
            'success', ('ok', '2', revid))
1150
 
        transport.mkdir('kwaak')
1151
 
        transport = transport.clone('kwaak')
1152
 
        branch = self.make_remote_branch(transport, client)
1153
 
        result = branch.last_revision_info()
1154
 
        self.assertEqual((2, revid), result)
1155
 
 
1156
 
 
1157
 
class TestBranch_get_stacked_on_url(TestRemote):
1158
 
    """Test Branch._get_stacked_on_url rpc"""
1159
 
 
1160
 
    def test_get_stacked_on_invalid_url(self):
1161
 
        # test that asking for a stacked on url the server can't access works.
1162
 
        # This isn't perfect, but then as we're in the same process there
1163
 
        # really isn't anything we can do to be 100% sure that the server
1164
 
        # doesn't just open in - this test probably needs to be rewritten using
1165
 
        # a spawn()ed server.
1166
 
        stacked_branch = self.make_branch('stacked', format='1.9')
1167
 
        memory_branch = self.make_branch('base', format='1.9')
1168
 
        vfs_url = self.get_vfs_only_url('base')
1169
 
        stacked_branch.set_stacked_on_url(vfs_url)
1170
 
        transport = stacked_branch.bzrdir.root_transport
1171
 
        client = FakeClient(transport.base)
1172
 
        client.add_expected_call(
1173
 
            'Branch.get_stacked_on_url', ('stacked/',),
1174
 
            'success', ('ok', vfs_url))
1175
 
        # XXX: Multiple calls are bad, this second call documents what is
1176
 
        # today.
1177
 
        client.add_expected_call(
1178
 
            'Branch.get_stacked_on_url', ('stacked/',),
1179
 
            'success', ('ok', vfs_url))
1180
 
        bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
1181
 
            _client=client)
1182
 
        repo_fmt = remote.RemoteRepositoryFormat()
1183
 
        repo_fmt._custom_format = stacked_branch.repository._format
1184
 
        branch = RemoteBranch(bzrdir, RemoteRepository(bzrdir, repo_fmt),
1185
 
            _client=client)
1186
 
        result = branch.get_stacked_on_url()
1187
 
        self.assertEqual(vfs_url, result)
1188
 
 
1189
 
    def test_backwards_compatible(self):
1190
 
        # like with bzr1.6 with no Branch.get_stacked_on_url rpc
1191
 
        base_branch = self.make_branch('base', format='1.6')
1192
 
        stacked_branch = self.make_branch('stacked', format='1.6')
1193
 
        stacked_branch.set_stacked_on_url('../base')
1194
 
        client = FakeClient(self.get_url())
1195
 
        branch_network_name = self.get_branch_format().network_name()
1196
 
        client.add_expected_call(
1197
 
            'BzrDir.open_branchV3', ('stacked/',),
1198
 
            'success', ('branch', branch_network_name))
1199
 
        client.add_expected_call(
1200
 
            'BzrDir.find_repositoryV3', ('stacked/',),
1201
 
            'success', ('ok', '', 'no', 'no', 'yes',
1202
 
                stacked_branch.repository._format.network_name()))
1203
 
        # called twice, once from constructor and then again by us
1204
 
        client.add_expected_call(
1205
 
            'Branch.get_stacked_on_url', ('stacked/',),
1206
 
            'unknown', ('Branch.get_stacked_on_url',))
1207
 
        client.add_expected_call(
1208
 
            'Branch.get_stacked_on_url', ('stacked/',),
1209
 
            'unknown', ('Branch.get_stacked_on_url',))
1210
 
        # this will also do vfs access, but that goes direct to the transport
1211
 
        # and isn't seen by the FakeClient.
1212
 
        bzrdir = RemoteBzrDir(self.get_transport('stacked'),
1213
 
            remote.RemoteBzrDirFormat(), _client=client)
1214
 
        branch = bzrdir.open_branch()
1215
 
        result = branch.get_stacked_on_url()
1216
 
        self.assertEqual('../base', result)
1217
 
        self.assertFinished(client)
1218
 
        # it's in the fallback list both for the RemoteRepository and its vfs
1219
 
        # repository
1220
 
        self.assertEqual(1, len(branch.repository._fallback_repositories))
1221
 
        self.assertEqual(1,
1222
 
            len(branch.repository._real_repository._fallback_repositories))
1223
 
 
1224
 
    def test_get_stacked_on_real_branch(self):
1225
 
        base_branch = self.make_branch('base', format='1.6')
1226
 
        stacked_branch = self.make_branch('stacked', format='1.6')
1227
 
        stacked_branch.set_stacked_on_url('../base')
1228
 
        reference_format = self.get_repo_format()
1229
 
        network_name = reference_format.network_name()
1230
 
        client = FakeClient(self.get_url())
1231
 
        branch_network_name = self.get_branch_format().network_name()
1232
 
        client.add_expected_call(
1233
 
            'BzrDir.open_branchV3', ('stacked/',),
1234
 
            'success', ('branch', branch_network_name))
1235
 
        client.add_expected_call(
1236
 
            'BzrDir.find_repositoryV3', ('stacked/',),
1237
 
            'success', ('ok', '', 'no', 'no', 'yes', network_name))
1238
 
        # called twice, once from constructor and then again by us
1239
 
        client.add_expected_call(
1240
 
            'Branch.get_stacked_on_url', ('stacked/',),
1241
 
            'success', ('ok', '../base'))
1242
 
        client.add_expected_call(
1243
 
            'Branch.get_stacked_on_url', ('stacked/',),
1244
 
            'success', ('ok', '../base'))
1245
 
        bzrdir = RemoteBzrDir(self.get_transport('stacked'),
1246
 
            remote.RemoteBzrDirFormat(), _client=client)
1247
 
        branch = bzrdir.open_branch()
1248
 
        result = branch.get_stacked_on_url()
1249
 
        self.assertEqual('../base', result)
1250
 
        self.assertFinished(client)
1251
 
        # it's in the fallback list both for the RemoteRepository.
1252
 
        self.assertEqual(1, len(branch.repository._fallback_repositories))
1253
 
        # And we haven't had to construct a real repository.
1254
 
        self.assertEqual(None, branch.repository._real_repository)
1255
 
 
1256
 
 
1257
 
class TestBranchSetLastRevision(RemoteBranchTestCase):
1258
 
 
1259
 
    def test_set_empty(self):
1260
 
        # set_revision_history([]) is translated to calling
1261
 
        # Branch.set_last_revision(path, '') on the wire.
1262
 
        transport = MemoryTransport()
1263
 
        transport.mkdir('branch')
1264
 
        transport = transport.clone('branch')
1265
 
 
1266
 
        client = FakeClient(transport.base)
1267
 
        client.add_expected_call(
1268
 
            'Branch.get_stacked_on_url', ('branch/',),
1269
 
            'error', ('NotStacked',))
1270
 
        client.add_expected_call(
1271
 
            'Branch.lock_write', ('branch/', '', ''),
1272
 
            'success', ('ok', 'branch token', 'repo token'))
1273
 
        client.add_expected_call(
1274
 
            'Branch.last_revision_info',
1275
 
            ('branch/',),
1276
 
            'success', ('ok', '0', 'null:'))
1277
 
        client.add_expected_call(
1278
 
            'Branch.set_last_revision', ('branch/', 'branch token', 'repo token', 'null:',),
1279
 
            'success', ('ok',))
1280
 
        client.add_expected_call(
1281
 
            'Branch.unlock', ('branch/', 'branch token', 'repo token'),
1282
 
            'success', ('ok',))
1283
 
        branch = self.make_remote_branch(transport, client)
1284
 
        # This is a hack to work around the problem that RemoteBranch currently
1285
 
        # unnecessarily invokes _ensure_real upon a call to lock_write.
1286
 
        branch._ensure_real = lambda: None
1287
 
        branch.lock_write()
1288
 
        result = branch.set_revision_history([])
1289
 
        branch.unlock()
1290
 
        self.assertEqual(None, result)
1291
 
        self.assertFinished(client)
1292
 
 
1293
 
    def test_set_nonempty(self):
1294
 
        # set_revision_history([rev-id1, ..., rev-idN]) is translated to calling
1295
 
        # Branch.set_last_revision(path, rev-idN) on the wire.
1296
 
        transport = MemoryTransport()
1297
 
        transport.mkdir('branch')
1298
 
        transport = transport.clone('branch')
1299
 
 
1300
 
        client = FakeClient(transport.base)
1301
 
        client.add_expected_call(
1302
 
            'Branch.get_stacked_on_url', ('branch/',),
1303
 
            'error', ('NotStacked',))
1304
 
        client.add_expected_call(
1305
 
            'Branch.lock_write', ('branch/', '', ''),
1306
 
            'success', ('ok', 'branch token', 'repo token'))
1307
 
        client.add_expected_call(
1308
 
            'Branch.last_revision_info',
1309
 
            ('branch/',),
1310
 
            'success', ('ok', '0', 'null:'))
1311
 
        lines = ['rev-id2']
1312
 
        encoded_body = bz2.compress('\n'.join(lines))
1313
 
        client.add_success_response_with_body(encoded_body, 'ok')
1314
 
        client.add_expected_call(
1315
 
            'Branch.set_last_revision', ('branch/', 'branch token', 'repo token', 'rev-id2',),
1316
 
            'success', ('ok',))
1317
 
        client.add_expected_call(
1318
 
            'Branch.unlock', ('branch/', 'branch token', 'repo token'),
1319
 
            'success', ('ok',))
1320
 
        branch = self.make_remote_branch(transport, client)
1321
 
        # This is a hack to work around the problem that RemoteBranch currently
1322
 
        # unnecessarily invokes _ensure_real upon a call to lock_write.
1323
 
        branch._ensure_real = lambda: None
1324
 
        # Lock the branch, reset the record of remote calls.
1325
 
        branch.lock_write()
1326
 
        result = branch.set_revision_history(['rev-id1', 'rev-id2'])
1327
 
        branch.unlock()
1328
 
        self.assertEqual(None, result)
1329
 
        self.assertFinished(client)
1330
 
 
1331
 
    def test_no_such_revision(self):
1332
 
        transport = MemoryTransport()
1333
 
        transport.mkdir('branch')
1334
 
        transport = transport.clone('branch')
1335
 
        # A response of 'NoSuchRevision' is translated into an exception.
1336
 
        client = FakeClient(transport.base)
1337
 
        client.add_expected_call(
1338
 
            'Branch.get_stacked_on_url', ('branch/',),
1339
 
            'error', ('NotStacked',))
1340
 
        client.add_expected_call(
1341
 
            'Branch.lock_write', ('branch/', '', ''),
1342
 
            'success', ('ok', 'branch token', 'repo token'))
1343
 
        client.add_expected_call(
1344
 
            'Branch.last_revision_info',
1345
 
            ('branch/',),
1346
 
            'success', ('ok', '0', 'null:'))
1347
 
        # get_graph calls to construct the revision history, for the set_rh
1348
 
        # hook
1349
 
        lines = ['rev-id']
1350
 
        encoded_body = bz2.compress('\n'.join(lines))
1351
 
        client.add_success_response_with_body(encoded_body, 'ok')
1352
 
        client.add_expected_call(
1353
 
            'Branch.set_last_revision', ('branch/', 'branch token', 'repo token', 'rev-id',),
1354
 
            'error', ('NoSuchRevision', 'rev-id'))
1355
 
        client.add_expected_call(
1356
 
            'Branch.unlock', ('branch/', 'branch token', 'repo token'),
1357
 
            'success', ('ok',))
1358
 
 
1359
 
        branch = self.make_remote_branch(transport, client)
1360
 
        branch.lock_write()
1361
 
        self.assertRaises(
1362
 
            errors.NoSuchRevision, branch.set_revision_history, ['rev-id'])
1363
 
        branch.unlock()
1364
 
        self.assertFinished(client)
1365
 
 
1366
 
    def test_tip_change_rejected(self):
1367
 
        """TipChangeRejected responses cause a TipChangeRejected exception to
1368
 
        be raised.
1369
 
        """
1370
 
        transport = MemoryTransport()
1371
 
        transport.mkdir('branch')
1372
 
        transport = transport.clone('branch')
1373
 
        client = FakeClient(transport.base)
1374
 
        rejection_msg_unicode = u'rejection message\N{INTERROBANG}'
1375
 
        rejection_msg_utf8 = rejection_msg_unicode.encode('utf8')
1376
 
        client.add_expected_call(
1377
 
            'Branch.get_stacked_on_url', ('branch/',),
1378
 
            'error', ('NotStacked',))
1379
 
        client.add_expected_call(
1380
 
            'Branch.lock_write', ('branch/', '', ''),
1381
 
            'success', ('ok', 'branch token', 'repo token'))
1382
 
        client.add_expected_call(
1383
 
            'Branch.last_revision_info',
1384
 
            ('branch/',),
1385
 
            'success', ('ok', '0', 'null:'))
1386
 
        lines = ['rev-id']
1387
 
        encoded_body = bz2.compress('\n'.join(lines))
1388
 
        client.add_success_response_with_body(encoded_body, 'ok')
1389
 
        client.add_expected_call(
1390
 
            'Branch.set_last_revision', ('branch/', 'branch token', 'repo token', 'rev-id',),
1391
 
            'error', ('TipChangeRejected', rejection_msg_utf8))
1392
 
        client.add_expected_call(
1393
 
            'Branch.unlock', ('branch/', 'branch token', 'repo token'),
1394
 
            'success', ('ok',))
1395
 
        branch = self.make_remote_branch(transport, client)
1396
 
        branch._ensure_real = lambda: None
1397
 
        branch.lock_write()
1398
 
        # The 'TipChangeRejected' error response triggered by calling
1399
 
        # set_revision_history causes a TipChangeRejected exception.
1400
 
        err = self.assertRaises(
1401
 
            errors.TipChangeRejected, branch.set_revision_history, ['rev-id'])
1402
 
        # The UTF-8 message from the response has been decoded into a unicode
1403
 
        # object.
1404
 
        self.assertIsInstance(err.msg, unicode)
1405
 
        self.assertEqual(rejection_msg_unicode, err.msg)
1406
 
        branch.unlock()
1407
 
        self.assertFinished(client)
1408
 
 
1409
 
 
1410
 
class TestBranchSetLastRevisionInfo(RemoteBranchTestCase):
1411
 
 
1412
 
    def test_set_last_revision_info(self):
1413
 
        # set_last_revision_info(num, 'rev-id') is translated to calling
1414
 
        # Branch.set_last_revision_info(num, 'rev-id') on the wire.
1415
 
        transport = MemoryTransport()
1416
 
        transport.mkdir('branch')
1417
 
        transport = transport.clone('branch')
1418
 
        client = FakeClient(transport.base)
1419
 
        # get_stacked_on_url
1420
 
        client.add_error_response('NotStacked')
1421
 
        # lock_write
1422
 
        client.add_success_response('ok', 'branch token', 'repo token')
1423
 
        # query the current revision
1424
 
        client.add_success_response('ok', '0', 'null:')
1425
 
        # set_last_revision
1426
 
        client.add_success_response('ok')
1427
 
        # unlock
1428
 
        client.add_success_response('ok')
1429
 
 
1430
 
        branch = self.make_remote_branch(transport, client)
1431
 
        # Lock the branch, reset the record of remote calls.
1432
 
        branch.lock_write()
1433
 
        client._calls = []
1434
 
        result = branch.set_last_revision_info(1234, 'a-revision-id')
1435
 
        self.assertEqual(
1436
 
            [('call', 'Branch.last_revision_info', ('branch/',)),
1437
 
             ('call', 'Branch.set_last_revision_info',
1438
 
                ('branch/', 'branch token', 'repo token',
1439
 
                 '1234', 'a-revision-id'))],
1440
 
            client._calls)
1441
 
        self.assertEqual(None, result)
1442
 
 
1443
 
    def test_no_such_revision(self):
1444
 
        # A response of 'NoSuchRevision' is translated into an exception.
1445
 
        transport = MemoryTransport()
1446
 
        transport.mkdir('branch')
1447
 
        transport = transport.clone('branch')
1448
 
        client = FakeClient(transport.base)
1449
 
        # get_stacked_on_url
1450
 
        client.add_error_response('NotStacked')
1451
 
        # lock_write
1452
 
        client.add_success_response('ok', 'branch token', 'repo token')
1453
 
        # set_last_revision
1454
 
        client.add_error_response('NoSuchRevision', 'revid')
1455
 
        # unlock
1456
 
        client.add_success_response('ok')
1457
 
 
1458
 
        branch = self.make_remote_branch(transport, client)
1459
 
        # Lock the branch, reset the record of remote calls.
1460
 
        branch.lock_write()
1461
 
        client._calls = []
1462
 
 
1463
 
        self.assertRaises(
1464
 
            errors.NoSuchRevision, branch.set_last_revision_info, 123, 'revid')
1465
 
        branch.unlock()
1466
 
 
1467
 
    def test_backwards_compatibility(self):
1468
 
        """If the server does not support the Branch.set_last_revision_info
1469
 
        verb (which is new in 1.4), then the client falls back to VFS methods.
1470
 
        """
1471
 
        # This test is a little messy.  Unlike most tests in this file, it
1472
 
        # doesn't purely test what a Remote* object sends over the wire, and
1473
 
        # how it reacts to responses from the wire.  It instead relies partly
1474
 
        # on asserting that the RemoteBranch will call
1475
 
        # self._real_branch.set_last_revision_info(...).
1476
 
 
1477
 
        # First, set up our RemoteBranch with a FakeClient that raises
1478
 
        # UnknownSmartMethod, and a StubRealBranch that logs how it is called.
1479
 
        transport = MemoryTransport()
1480
 
        transport.mkdir('branch')
1481
 
        transport = transport.clone('branch')
1482
 
        client = FakeClient(transport.base)
1483
 
        client.add_expected_call(
1484
 
            'Branch.get_stacked_on_url', ('branch/',),
1485
 
            'error', ('NotStacked',))
1486
 
        client.add_expected_call(
1487
 
            'Branch.last_revision_info',
1488
 
            ('branch/',),
1489
 
            'success', ('ok', '0', 'null:'))
1490
 
        client.add_expected_call(
1491
 
            'Branch.set_last_revision_info',
1492
 
            ('branch/', 'branch token', 'repo token', '1234', 'a-revision-id',),
1493
 
            'unknown', 'Branch.set_last_revision_info')
1494
 
 
1495
 
        branch = self.make_remote_branch(transport, client)
1496
 
        class StubRealBranch(object):
1497
 
            def __init__(self):
1498
 
                self.calls = []
1499
 
            def set_last_revision_info(self, revno, revision_id):
1500
 
                self.calls.append(
1501
 
                    ('set_last_revision_info', revno, revision_id))
1502
 
            def _clear_cached_state(self):
1503
 
                pass
1504
 
        real_branch = StubRealBranch()
1505
 
        branch._real_branch = real_branch
1506
 
        self.lock_remote_branch(branch)
1507
 
 
1508
 
        # Call set_last_revision_info, and verify it behaved as expected.
1509
 
        result = branch.set_last_revision_info(1234, 'a-revision-id')
1510
 
        self.assertEqual(
1511
 
            [('set_last_revision_info', 1234, 'a-revision-id')],
1512
 
            real_branch.calls)
1513
 
        self.assertFinished(client)
1514
 
 
1515
 
    def test_unexpected_error(self):
1516
 
        # If the server sends an error the client doesn't understand, it gets
1517
 
        # turned into an UnknownErrorFromSmartServer, which is presented as a
1518
 
        # non-internal error to the user.
1519
 
        transport = MemoryTransport()
1520
 
        transport.mkdir('branch')
1521
 
        transport = transport.clone('branch')
1522
 
        client = FakeClient(transport.base)
1523
 
        # get_stacked_on_url
1524
 
        client.add_error_response('NotStacked')
1525
 
        # lock_write
1526
 
        client.add_success_response('ok', 'branch token', 'repo token')
1527
 
        # set_last_revision
1528
 
        client.add_error_response('UnexpectedError')
1529
 
        # unlock
1530
 
        client.add_success_response('ok')
1531
 
 
1532
 
        branch = self.make_remote_branch(transport, client)
1533
 
        # Lock the branch, reset the record of remote calls.
1534
 
        branch.lock_write()
1535
 
        client._calls = []
1536
 
 
1537
 
        err = self.assertRaises(
1538
 
            errors.UnknownErrorFromSmartServer,
1539
 
            branch.set_last_revision_info, 123, 'revid')
1540
 
        self.assertEqual(('UnexpectedError',), err.error_tuple)
1541
 
        branch.unlock()
1542
 
 
1543
 
    def test_tip_change_rejected(self):
1544
 
        """TipChangeRejected responses cause a TipChangeRejected exception to
1545
 
        be raised.
1546
 
        """
1547
 
        transport = MemoryTransport()
1548
 
        transport.mkdir('branch')
1549
 
        transport = transport.clone('branch')
1550
 
        client = FakeClient(transport.base)
1551
 
        # get_stacked_on_url
1552
 
        client.add_error_response('NotStacked')
1553
 
        # lock_write
1554
 
        client.add_success_response('ok', 'branch token', 'repo token')
1555
 
        # set_last_revision
1556
 
        client.add_error_response('TipChangeRejected', 'rejection message')
1557
 
        # unlock
1558
 
        client.add_success_response('ok')
1559
 
 
1560
 
        branch = self.make_remote_branch(transport, client)
1561
 
        # Lock the branch, reset the record of remote calls.
1562
 
        branch.lock_write()
1563
 
        self.addCleanup(branch.unlock)
1564
 
        client._calls = []
1565
 
 
1566
 
        # The 'TipChangeRejected' error response triggered by calling
1567
 
        # set_last_revision_info causes a TipChangeRejected exception.
1568
 
        err = self.assertRaises(
1569
 
            errors.TipChangeRejected,
1570
 
            branch.set_last_revision_info, 123, 'revid')
1571
 
        self.assertEqual('rejection message', err.msg)
1572
 
 
1573
 
 
1574
 
class TestBranchGetSetConfig(RemoteBranchTestCase):
1575
 
 
1576
 
    def test_get_branch_conf(self):
1577
 
        # in an empty branch we decode the response properly
1578
 
        client = FakeClient()
1579
 
        client.add_expected_call(
1580
 
            'Branch.get_stacked_on_url', ('memory:///',),
1581
 
            'error', ('NotStacked',),)
1582
 
        client.add_success_response_with_body('# config file body', 'ok')
1583
 
        transport = MemoryTransport()
1584
 
        branch = self.make_remote_branch(transport, client)
1585
 
        config = branch.get_config()
1586
 
        config.has_explicit_nickname()
1587
 
        self.assertEqual(
1588
 
            [('call', 'Branch.get_stacked_on_url', ('memory:///',)),
1589
 
             ('call_expecting_body', 'Branch.get_config_file', ('memory:///',))],
1590
 
            client._calls)
1591
 
 
1592
 
    def test_get_multi_line_branch_conf(self):
1593
 
        # Make sure that multiple-line branch.conf files are supported
1594
 
        #
1595
 
        # https://bugs.edge.launchpad.net/bzr/+bug/354075
1596
 
        client = FakeClient()
1597
 
        client.add_expected_call(
1598
 
            'Branch.get_stacked_on_url', ('memory:///',),
1599
 
            'error', ('NotStacked',),)
1600
 
        client.add_success_response_with_body('a = 1\nb = 2\nc = 3\n', 'ok')
1601
 
        transport = MemoryTransport()
1602
 
        branch = self.make_remote_branch(transport, client)
1603
 
        config = branch.get_config()
1604
 
        self.assertEqual(u'2', config.get_user_option('b'))
1605
 
 
1606
 
    def test_set_option(self):
1607
 
        client = FakeClient()
1608
 
        client.add_expected_call(
1609
 
            'Branch.get_stacked_on_url', ('memory:///',),
1610
 
            'error', ('NotStacked',),)
1611
 
        client.add_expected_call(
1612
 
            'Branch.lock_write', ('memory:///', '', ''),
1613
 
            'success', ('ok', 'branch token', 'repo token'))
1614
 
        client.add_expected_call(
1615
 
            'Branch.set_config_option', ('memory:///', 'branch token',
1616
 
            'repo token', 'foo', 'bar', ''),
1617
 
            'success', ())
1618
 
        client.add_expected_call(
1619
 
            'Branch.unlock', ('memory:///', 'branch token', 'repo token'),
1620
 
            'success', ('ok',))
1621
 
        transport = MemoryTransport()
1622
 
        branch = self.make_remote_branch(transport, client)
1623
 
        branch.lock_write()
1624
 
        config = branch._get_config()
1625
 
        config.set_option('foo', 'bar')
1626
 
        branch.unlock()
1627
 
        self.assertFinished(client)
1628
 
 
1629
 
    def test_backwards_compat_set_option(self):
1630
 
        self.setup_smart_server_with_call_log()
1631
 
        branch = self.make_branch('.')
1632
 
        verb = 'Branch.set_config_option'
1633
 
        self.disable_verb(verb)
1634
 
        branch.lock_write()
1635
 
        self.addCleanup(branch.unlock)
1636
 
        self.reset_smart_call_log()
1637
 
        branch._get_config().set_option('value', 'name')
1638
 
        self.assertLength(10, self.hpss_calls)
1639
 
        self.assertEqual('value', branch._get_config().get_option('name'))
1640
 
 
1641
 
 
1642
 
class TestBranchLockWrite(RemoteBranchTestCase):
1643
 
 
1644
 
    def test_lock_write_unlockable(self):
1645
 
        transport = MemoryTransport()
1646
 
        client = FakeClient(transport.base)
1647
 
        client.add_expected_call(
1648
 
            'Branch.get_stacked_on_url', ('quack/',),
1649
 
            'error', ('NotStacked',),)
1650
 
        client.add_expected_call(
1651
 
            'Branch.lock_write', ('quack/', '', ''),
1652
 
            'error', ('UnlockableTransport',))
1653
 
        transport.mkdir('quack')
1654
 
        transport = transport.clone('quack')
1655
 
        branch = self.make_remote_branch(transport, client)
1656
 
        self.assertRaises(errors.UnlockableTransport, branch.lock_write)
1657
 
        self.assertFinished(client)
1658
 
 
1659
 
 
1660
 
class TestBzrDirGetSetConfig(RemoteBzrDirTestCase):
1661
 
 
1662
 
    def test__get_config(self):
1663
 
        client = FakeClient()
1664
 
        client.add_success_response_with_body('default_stack_on = /\n', 'ok')
1665
 
        transport = MemoryTransport()
1666
 
        bzrdir = self.make_remote_bzrdir(transport, client)
1667
 
        config = bzrdir.get_config()
1668
 
        self.assertEqual('/', config.get_default_stack_on())
1669
 
        self.assertEqual(
1670
 
            [('call_expecting_body', 'BzrDir.get_config_file', ('memory:///',))],
1671
 
            client._calls)
1672
 
 
1673
 
    def test_set_option_uses_vfs(self):
1674
 
        self.setup_smart_server_with_call_log()
1675
 
        bzrdir = self.make_bzrdir('.')
1676
 
        self.reset_smart_call_log()
1677
 
        config = bzrdir.get_config()
1678
 
        config.set_default_stack_on('/')
1679
 
        self.assertLength(3, self.hpss_calls)
1680
 
 
1681
 
    def test_backwards_compat_get_option(self):
1682
 
        self.setup_smart_server_with_call_log()
1683
 
        bzrdir = self.make_bzrdir('.')
1684
 
        verb = 'BzrDir.get_config_file'
1685
 
        self.disable_verb(verb)
1686
 
        self.reset_smart_call_log()
1687
 
        self.assertEqual(None,
1688
 
            bzrdir._get_config().get_option('default_stack_on'))
1689
 
        self.assertLength(3, self.hpss_calls)
1690
 
 
1691
 
 
1692
 
class TestTransportIsReadonly(tests.TestCase):
1693
 
 
1694
 
    def test_true(self):
1695
 
        client = FakeClient()
1696
 
        client.add_success_response('yes')
1697
 
        transport = RemoteTransport('bzr://example.com/', medium=False,
1698
 
                                    _client=client)
1699
 
        self.assertEqual(True, transport.is_readonly())
1700
 
        self.assertEqual(
1701
 
            [('call', 'Transport.is_readonly', ())],
1702
 
            client._calls)
1703
 
 
1704
 
    def test_false(self):
1705
 
        client = FakeClient()
1706
 
        client.add_success_response('no')
1707
 
        transport = RemoteTransport('bzr://example.com/', medium=False,
1708
 
                                    _client=client)
1709
 
        self.assertEqual(False, transport.is_readonly())
1710
 
        self.assertEqual(
1711
 
            [('call', 'Transport.is_readonly', ())],
1712
 
            client._calls)
1713
 
 
1714
 
    def test_error_from_old_server(self):
1715
 
        """bzr 0.15 and earlier servers don't recognise the is_readonly verb.
1716
 
 
1717
 
        Clients should treat it as a "no" response, because is_readonly is only
1718
 
        advisory anyway (a transport could be read-write, but then the
1719
 
        underlying filesystem could be readonly anyway).
1720
 
        """
1721
 
        client = FakeClient()
1722
 
        client.add_unknown_method_response('Transport.is_readonly')
1723
 
        transport = RemoteTransport('bzr://example.com/', medium=False,
1724
 
                                    _client=client)
1725
 
        self.assertEqual(False, transport.is_readonly())
1726
 
        self.assertEqual(
1727
 
            [('call', 'Transport.is_readonly', ())],
1728
 
            client._calls)
1729
 
 
1730
 
 
1731
 
class TestTransportMkdir(tests.TestCase):
1732
 
 
1733
 
    def test_permissiondenied(self):
1734
 
        client = FakeClient()
1735
 
        client.add_error_response('PermissionDenied', 'remote path', 'extra')
1736
 
        transport = RemoteTransport('bzr://example.com/', medium=False,
1737
 
                                    _client=client)
1738
 
        exc = self.assertRaises(
1739
 
            errors.PermissionDenied, transport.mkdir, 'client path')
1740
 
        expected_error = errors.PermissionDenied('/client path', 'extra')
1741
 
        self.assertEqual(expected_error, exc)
1742
 
 
1743
 
 
1744
 
class TestRemoteSSHTransportAuthentication(tests.TestCaseInTempDir):
1745
 
 
1746
 
    def test_defaults_to_none(self):
1747
 
        t = RemoteSSHTransport('bzr+ssh://example.com')
1748
 
        self.assertIs(None, t._get_credentials()[0])
1749
 
 
1750
 
    def test_uses_authentication_config(self):
1751
 
        conf = config.AuthenticationConfig()
1752
 
        conf._get_config().update(
1753
 
            {'bzr+sshtest': {'scheme': 'ssh', 'user': 'bar', 'host':
1754
 
            'example.com'}})
1755
 
        conf._save()
1756
 
        t = RemoteSSHTransport('bzr+ssh://example.com')
1757
 
        self.assertEqual('bar', t._get_credentials()[0])
1758
 
 
1759
 
 
1760
 
class TestRemoteRepository(TestRemote):
1761
 
    """Base for testing RemoteRepository protocol usage.
1762
 
 
1763
 
    These tests contain frozen requests and responses.  We want any changes to
1764
 
    what is sent or expected to be require a thoughtful update to these tests
1765
 
    because they might break compatibility with different-versioned servers.
1766
 
    """
1767
 
 
1768
 
    def setup_fake_client_and_repository(self, transport_path):
1769
 
        """Create the fake client and repository for testing with.
1770
 
 
1771
 
        There's no real server here; we just have canned responses sent
1772
 
        back one by one.
1773
 
 
1774
 
        :param transport_path: Path below the root of the MemoryTransport
1775
 
            where the repository will be created.
1776
 
        """
1777
 
        transport = MemoryTransport()
1778
 
        transport.mkdir(transport_path)
1779
 
        client = FakeClient(transport.base)
1780
 
        transport = transport.clone(transport_path)
1781
 
        # we do not want bzrdir to make any remote calls
1782
 
        bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
1783
 
            _client=False)
1784
 
        repo = RemoteRepository(bzrdir, None, _client=client)
1785
 
        return repo, client
1786
 
 
1787
 
 
1788
 
def remoted_description(format):
1789
 
    return 'Remote: ' + format.get_format_description()
1790
 
 
1791
 
 
1792
 
class TestBranchFormat(tests.TestCase):
1793
 
 
1794
 
    def test_get_format_description(self):
1795
 
        remote_format = RemoteBranchFormat()
1796
 
        real_format = branch.BranchFormat.get_default_format()
1797
 
        remote_format._network_name = real_format.network_name()
1798
 
        self.assertEqual(remoted_description(real_format),
1799
 
            remote_format.get_format_description())
1800
 
 
1801
 
 
1802
 
class TestRepositoryFormat(TestRemoteRepository):
1803
 
 
1804
 
    def test_fast_delta(self):
1805
 
        true_name = groupcompress_repo.RepositoryFormatCHK1().network_name()
1806
 
        true_format = RemoteRepositoryFormat()
1807
 
        true_format._network_name = true_name
1808
 
        self.assertEqual(True, true_format.fast_deltas)
1809
 
        false_name = pack_repo.RepositoryFormatKnitPack1().network_name()
1810
 
        false_format = RemoteRepositoryFormat()
1811
 
        false_format._network_name = false_name
1812
 
        self.assertEqual(False, false_format.fast_deltas)
1813
 
 
1814
 
    def test_get_format_description(self):
1815
 
        remote_repo_format = RemoteRepositoryFormat()
1816
 
        real_format = repository.RepositoryFormat.get_default_format()
1817
 
        remote_repo_format._network_name = real_format.network_name()
1818
 
        self.assertEqual(remoted_description(real_format),
1819
 
            remote_repo_format.get_format_description())
1820
 
 
1821
 
 
1822
 
class TestRepositoryGatherStats(TestRemoteRepository):
1823
 
 
1824
 
    def test_revid_none(self):
1825
 
        # ('ok',), body with revisions and size
1826
 
        transport_path = 'quack'
1827
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
1828
 
        client.add_success_response_with_body(
1829
 
            'revisions: 2\nsize: 18\n', 'ok')
1830
 
        result = repo.gather_stats(None)
1831
 
        self.assertEqual(
1832
 
            [('call_expecting_body', 'Repository.gather_stats',
1833
 
             ('quack/','','no'))],
1834
 
            client._calls)
1835
 
        self.assertEqual({'revisions': 2, 'size': 18}, result)
1836
 
 
1837
 
    def test_revid_no_committers(self):
1838
 
        # ('ok',), body without committers
1839
 
        body = ('firstrev: 123456.300 3600\n'
1840
 
                'latestrev: 654231.400 0\n'
1841
 
                'revisions: 2\n'
1842
 
                'size: 18\n')
1843
 
        transport_path = 'quick'
1844
 
        revid = u'\xc8'.encode('utf8')
1845
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
1846
 
        client.add_success_response_with_body(body, 'ok')
1847
 
        result = repo.gather_stats(revid)
1848
 
        self.assertEqual(
1849
 
            [('call_expecting_body', 'Repository.gather_stats',
1850
 
              ('quick/', revid, 'no'))],
1851
 
            client._calls)
1852
 
        self.assertEqual({'revisions': 2, 'size': 18,
1853
 
                          'firstrev': (123456.300, 3600),
1854
 
                          'latestrev': (654231.400, 0),},
1855
 
                         result)
1856
 
 
1857
 
    def test_revid_with_committers(self):
1858
 
        # ('ok',), body with committers
1859
 
        body = ('committers: 128\n'
1860
 
                'firstrev: 123456.300 3600\n'
1861
 
                'latestrev: 654231.400 0\n'
1862
 
                'revisions: 2\n'
1863
 
                'size: 18\n')
1864
 
        transport_path = 'buick'
1865
 
        revid = u'\xc8'.encode('utf8')
1866
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
1867
 
        client.add_success_response_with_body(body, 'ok')
1868
 
        result = repo.gather_stats(revid, True)
1869
 
        self.assertEqual(
1870
 
            [('call_expecting_body', 'Repository.gather_stats',
1871
 
              ('buick/', revid, 'yes'))],
1872
 
            client._calls)
1873
 
        self.assertEqual({'revisions': 2, 'size': 18,
1874
 
                          'committers': 128,
1875
 
                          'firstrev': (123456.300, 3600),
1876
 
                          'latestrev': (654231.400, 0),},
1877
 
                         result)
1878
 
 
1879
 
 
1880
 
class TestRepositoryGetGraph(TestRemoteRepository):
1881
 
 
1882
 
    def test_get_graph(self):
1883
 
        # get_graph returns a graph with a custom parents provider.
1884
 
        transport_path = 'quack'
1885
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
1886
 
        graph = repo.get_graph()
1887
 
        self.assertNotEqual(graph._parents_provider, repo)
1888
 
 
1889
 
 
1890
 
class TestRepositoryGetParentMap(TestRemoteRepository):
1891
 
 
1892
 
    def test_get_parent_map_caching(self):
1893
 
        # get_parent_map returns from cache until unlock()
1894
 
        # setup a reponse with two revisions
1895
 
        r1 = u'\u0e33'.encode('utf8')
1896
 
        r2 = u'\u0dab'.encode('utf8')
1897
 
        lines = [' '.join([r2, r1]), r1]
1898
 
        encoded_body = bz2.compress('\n'.join(lines))
1899
 
 
1900
 
        transport_path = 'quack'
1901
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
1902
 
        client.add_success_response_with_body(encoded_body, 'ok')
1903
 
        client.add_success_response_with_body(encoded_body, 'ok')
1904
 
        repo.lock_read()
1905
 
        graph = repo.get_graph()
1906
 
        parents = graph.get_parent_map([r2])
1907
 
        self.assertEqual({r2: (r1,)}, parents)
1908
 
        # locking and unlocking deeper should not reset
1909
 
        repo.lock_read()
1910
 
        repo.unlock()
1911
 
        parents = graph.get_parent_map([r1])
1912
 
        self.assertEqual({r1: (NULL_REVISION,)}, parents)
1913
 
        self.assertEqual(
1914
 
            [('call_with_body_bytes_expecting_body',
1915
 
              'Repository.get_parent_map', ('quack/', 'include-missing:', r2),
1916
 
              '\n\n0')],
1917
 
            client._calls)
1918
 
        repo.unlock()
1919
 
        # now we call again, and it should use the second response.
1920
 
        repo.lock_read()
1921
 
        graph = repo.get_graph()
1922
 
        parents = graph.get_parent_map([r1])
1923
 
        self.assertEqual({r1: (NULL_REVISION,)}, parents)
1924
 
        self.assertEqual(
1925
 
            [('call_with_body_bytes_expecting_body',
1926
 
              'Repository.get_parent_map', ('quack/', 'include-missing:', r2),
1927
 
              '\n\n0'),
1928
 
             ('call_with_body_bytes_expecting_body',
1929
 
              'Repository.get_parent_map', ('quack/', 'include-missing:', r1),
1930
 
              '\n\n0'),
1931
 
            ],
1932
 
            client._calls)
1933
 
        repo.unlock()
1934
 
 
1935
 
    def test_get_parent_map_reconnects_if_unknown_method(self):
1936
 
        transport_path = 'quack'
1937
 
        rev_id = 'revision-id'
1938
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
1939
 
        client.add_unknown_method_response('Repository.get_parent_map')
1940
 
        client.add_success_response_with_body(rev_id, 'ok')
1941
 
        self.assertFalse(client._medium._is_remote_before((1, 2)))
1942
 
        parents = repo.get_parent_map([rev_id])
1943
 
        self.assertEqual(
1944
 
            [('call_with_body_bytes_expecting_body',
1945
 
              'Repository.get_parent_map', ('quack/', 'include-missing:',
1946
 
              rev_id), '\n\n0'),
1947
 
             ('disconnect medium',),
1948
 
             ('call_expecting_body', 'Repository.get_revision_graph',
1949
 
              ('quack/', ''))],
1950
 
            client._calls)
1951
 
        # The medium is now marked as being connected to an older server
1952
 
        self.assertTrue(client._medium._is_remote_before((1, 2)))
1953
 
        self.assertEqual({rev_id: ('null:',)}, parents)
1954
 
 
1955
 
    def test_get_parent_map_fallback_parentless_node(self):
1956
 
        """get_parent_map falls back to get_revision_graph on old servers.  The
1957
 
        results from get_revision_graph are tweaked to match the get_parent_map
1958
 
        API.
1959
 
 
1960
 
        Specifically, a {key: ()} result from get_revision_graph means "no
1961
 
        parents" for that key, which in get_parent_map results should be
1962
 
        represented as {key: ('null:',)}.
1963
 
 
1964
 
        This is the test for https://bugs.launchpad.net/bzr/+bug/214894
1965
 
        """
1966
 
        rev_id = 'revision-id'
1967
 
        transport_path = 'quack'
1968
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
1969
 
        client.add_success_response_with_body(rev_id, 'ok')
1970
 
        client._medium._remember_remote_is_before((1, 2))
1971
 
        parents = repo.get_parent_map([rev_id])
1972
 
        self.assertEqual(
1973
 
            [('call_expecting_body', 'Repository.get_revision_graph',
1974
 
             ('quack/', ''))],
1975
 
            client._calls)
1976
 
        self.assertEqual({rev_id: ('null:',)}, parents)
1977
 
 
1978
 
    def test_get_parent_map_unexpected_response(self):
1979
 
        repo, client = self.setup_fake_client_and_repository('path')
1980
 
        client.add_success_response('something unexpected!')
1981
 
        self.assertRaises(
1982
 
            errors.UnexpectedSmartServerResponse,
1983
 
            repo.get_parent_map, ['a-revision-id'])
1984
 
 
1985
 
    def test_get_parent_map_negative_caches_missing_keys(self):
1986
 
        self.setup_smart_server_with_call_log()
1987
 
        repo = self.make_repository('foo')
1988
 
        self.assertIsInstance(repo, RemoteRepository)
1989
 
        repo.lock_read()
1990
 
        self.addCleanup(repo.unlock)
1991
 
        self.reset_smart_call_log()
1992
 
        graph = repo.get_graph()
1993
 
        self.assertEqual({},
1994
 
            graph.get_parent_map(['some-missing', 'other-missing']))
1995
 
        self.assertLength(1, self.hpss_calls)
1996
 
        # No call if we repeat this
1997
 
        self.reset_smart_call_log()
1998
 
        graph = repo.get_graph()
1999
 
        self.assertEqual({},
2000
 
            graph.get_parent_map(['some-missing', 'other-missing']))
2001
 
        self.assertLength(0, self.hpss_calls)
2002
 
        # Asking for more unknown keys makes a request.
2003
 
        self.reset_smart_call_log()
2004
 
        graph = repo.get_graph()
2005
 
        self.assertEqual({},
2006
 
            graph.get_parent_map(['some-missing', 'other-missing',
2007
 
                'more-missing']))
2008
 
        self.assertLength(1, self.hpss_calls)
2009
 
 
2010
 
    def disableExtraResults(self):
2011
 
        self.overrideAttr(SmartServerRepositoryGetParentMap,
2012
 
                          'no_extra_results', True)
2013
 
 
2014
 
    def test_null_cached_missing_and_stop_key(self):
2015
 
        self.setup_smart_server_with_call_log()
2016
 
        # Make a branch with a single revision.
2017
 
        builder = self.make_branch_builder('foo')
2018
 
        builder.start_series()
2019
 
        builder.build_snapshot('first', None, [
2020
 
            ('add', ('', 'root-id', 'directory', ''))])
2021
 
        builder.finish_series()
2022
 
        branch = builder.get_branch()
2023
 
        repo = branch.repository
2024
 
        self.assertIsInstance(repo, RemoteRepository)
2025
 
        # Stop the server from sending extra results.
2026
 
        self.disableExtraResults()
2027
 
        repo.lock_read()
2028
 
        self.addCleanup(repo.unlock)
2029
 
        self.reset_smart_call_log()
2030
 
        graph = repo.get_graph()
2031
 
        # Query for 'first' and 'null:'.  Because 'null:' is a parent of
2032
 
        # 'first' it will be a candidate for the stop_keys of subsequent
2033
 
        # requests, and because 'null:' was queried but not returned it will be
2034
 
        # cached as missing.
2035
 
        self.assertEqual({'first': ('null:',)},
2036
 
            graph.get_parent_map(['first', 'null:']))
2037
 
        # Now query for another key.  This request will pass along a recipe of
2038
 
        # start and stop keys describing the already cached results, and this
2039
 
        # recipe's revision count must be correct (or else it will trigger an
2040
 
        # error from the server).
2041
 
        self.assertEqual({}, graph.get_parent_map(['another-key']))
2042
 
        # This assertion guards against disableExtraResults silently failing to
2043
 
        # work, thus invalidating the test.
2044
 
        self.assertLength(2, self.hpss_calls)
2045
 
 
2046
 
    def test_get_parent_map_gets_ghosts_from_result(self):
2047
 
        # asking for a revision should negatively cache close ghosts in its
2048
 
        # ancestry.
2049
 
        self.setup_smart_server_with_call_log()
2050
 
        tree = self.make_branch_and_memory_tree('foo')
2051
 
        tree.lock_write()
2052
 
        try:
2053
 
            builder = treebuilder.TreeBuilder()
2054
 
            builder.start_tree(tree)
2055
 
            builder.build([])
2056
 
            builder.finish_tree()
2057
 
            tree.set_parent_ids(['non-existant'], allow_leftmost_as_ghost=True)
2058
 
            rev_id = tree.commit('')
2059
 
        finally:
2060
 
            tree.unlock()
2061
 
        tree.lock_read()
2062
 
        self.addCleanup(tree.unlock)
2063
 
        repo = tree.branch.repository
2064
 
        self.assertIsInstance(repo, RemoteRepository)
2065
 
        # ask for rev_id
2066
 
        repo.get_parent_map([rev_id])
2067
 
        self.reset_smart_call_log()
2068
 
        # Now asking for rev_id's ghost parent should not make calls
2069
 
        self.assertEqual({}, repo.get_parent_map(['non-existant']))
2070
 
        self.assertLength(0, self.hpss_calls)
2071
 
 
2072
 
 
2073
 
class TestGetParentMapAllowsNew(tests.TestCaseWithTransport):
2074
 
 
2075
 
    def test_allows_new_revisions(self):
2076
 
        """get_parent_map's results can be updated by commit."""
2077
 
        smart_server = server.SmartTCPServer_for_testing()
2078
 
        self.start_server(smart_server)
2079
 
        self.make_branch('branch')
2080
 
        branch = Branch.open(smart_server.get_url() + '/branch')
2081
 
        tree = branch.create_checkout('tree', lightweight=True)
2082
 
        tree.lock_write()
2083
 
        self.addCleanup(tree.unlock)
2084
 
        graph = tree.branch.repository.get_graph()
2085
 
        # This provides an opportunity for the missing rev-id to be cached.
2086
 
        self.assertEqual({}, graph.get_parent_map(['rev1']))
2087
 
        tree.commit('message', rev_id='rev1')
2088
 
        graph = tree.branch.repository.get_graph()
2089
 
        self.assertEqual({'rev1': ('null:',)}, graph.get_parent_map(['rev1']))
2090
 
 
2091
 
 
2092
 
class TestRepositoryGetRevisionGraph(TestRemoteRepository):
2093
 
 
2094
 
    def test_null_revision(self):
2095
 
        # a null revision has the predictable result {}, we should have no wire
2096
 
        # traffic when calling it with this argument
2097
 
        transport_path = 'empty'
2098
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2099
 
        client.add_success_response('notused')
2100
 
        # actual RemoteRepository.get_revision_graph is gone, but there's an
2101
 
        # equivalent private method for testing
2102
 
        result = repo._get_revision_graph(NULL_REVISION)
2103
 
        self.assertEqual([], client._calls)
2104
 
        self.assertEqual({}, result)
2105
 
 
2106
 
    def test_none_revision(self):
2107
 
        # with none we want the entire graph
2108
 
        r1 = u'\u0e33'.encode('utf8')
2109
 
        r2 = u'\u0dab'.encode('utf8')
2110
 
        lines = [' '.join([r2, r1]), r1]
2111
 
        encoded_body = '\n'.join(lines)
2112
 
 
2113
 
        transport_path = 'sinhala'
2114
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2115
 
        client.add_success_response_with_body(encoded_body, 'ok')
2116
 
        # actual RemoteRepository.get_revision_graph is gone, but there's an
2117
 
        # equivalent private method for testing
2118
 
        result = repo._get_revision_graph(None)
2119
 
        self.assertEqual(
2120
 
            [('call_expecting_body', 'Repository.get_revision_graph',
2121
 
             ('sinhala/', ''))],
2122
 
            client._calls)
2123
 
        self.assertEqual({r1: (), r2: (r1, )}, result)
2124
 
 
2125
 
    def test_specific_revision(self):
2126
 
        # with a specific revision we want the graph for that
2127
 
        # with none we want the entire graph
2128
 
        r11 = u'\u0e33'.encode('utf8')
2129
 
        r12 = u'\xc9'.encode('utf8')
2130
 
        r2 = u'\u0dab'.encode('utf8')
2131
 
        lines = [' '.join([r2, r11, r12]), r11, r12]
2132
 
        encoded_body = '\n'.join(lines)
2133
 
 
2134
 
        transport_path = 'sinhala'
2135
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2136
 
        client.add_success_response_with_body(encoded_body, 'ok')
2137
 
        result = repo._get_revision_graph(r2)
2138
 
        self.assertEqual(
2139
 
            [('call_expecting_body', 'Repository.get_revision_graph',
2140
 
             ('sinhala/', r2))],
2141
 
            client._calls)
2142
 
        self.assertEqual({r11: (), r12: (), r2: (r11, r12), }, result)
2143
 
 
2144
 
    def test_no_such_revision(self):
2145
 
        revid = '123'
2146
 
        transport_path = 'sinhala'
2147
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2148
 
        client.add_error_response('nosuchrevision', revid)
2149
 
        # also check that the right revision is reported in the error
2150
 
        self.assertRaises(errors.NoSuchRevision,
2151
 
            repo._get_revision_graph, revid)
2152
 
        self.assertEqual(
2153
 
            [('call_expecting_body', 'Repository.get_revision_graph',
2154
 
             ('sinhala/', revid))],
2155
 
            client._calls)
2156
 
 
2157
 
    def test_unexpected_error(self):
2158
 
        revid = '123'
2159
 
        transport_path = 'sinhala'
2160
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2161
 
        client.add_error_response('AnUnexpectedError')
2162
 
        e = self.assertRaises(errors.UnknownErrorFromSmartServer,
2163
 
            repo._get_revision_graph, revid)
2164
 
        self.assertEqual(('AnUnexpectedError',), e.error_tuple)
2165
 
 
2166
 
 
2167
 
class TestRepositoryGetRevIdForRevno(TestRemoteRepository):
2168
 
 
2169
 
    def test_ok(self):
2170
 
        repo, client = self.setup_fake_client_and_repository('quack')
2171
 
        client.add_expected_call(
2172
 
            'Repository.get_rev_id_for_revno', ('quack/', 5, (42, 'rev-foo')),
2173
 
            'success', ('ok', 'rev-five'))
2174
 
        result = repo.get_rev_id_for_revno(5, (42, 'rev-foo'))
2175
 
        self.assertEqual((True, 'rev-five'), result)
2176
 
        self.assertFinished(client)
2177
 
 
2178
 
    def test_history_incomplete(self):
2179
 
        repo, client = self.setup_fake_client_and_repository('quack')
2180
 
        client.add_expected_call(
2181
 
            'Repository.get_rev_id_for_revno', ('quack/', 5, (42, 'rev-foo')),
2182
 
            'success', ('history-incomplete', 10, 'rev-ten'))
2183
 
        result = repo.get_rev_id_for_revno(5, (42, 'rev-foo'))
2184
 
        self.assertEqual((False, (10, 'rev-ten')), result)
2185
 
        self.assertFinished(client)
2186
 
 
2187
 
    def test_history_incomplete_with_fallback(self):
2188
 
        """A 'history-incomplete' response causes the fallback repository to be
2189
 
        queried too, if one is set.
2190
 
        """
2191
 
        # Make a repo with a fallback repo, both using a FakeClient.
2192
 
        format = remote.response_tuple_to_repo_format(
2193
 
            ('yes', 'no', 'yes', 'fake-network-name'))
2194
 
        repo, client = self.setup_fake_client_and_repository('quack')
2195
 
        repo._format = format
2196
 
        fallback_repo, ignored = self.setup_fake_client_and_repository(
2197
 
            'fallback')
2198
 
        fallback_repo._client = client
2199
 
        repo.add_fallback_repository(fallback_repo)
2200
 
        # First the client should ask the primary repo
2201
 
        client.add_expected_call(
2202
 
            'Repository.get_rev_id_for_revno', ('quack/', 1, (42, 'rev-foo')),
2203
 
            'success', ('history-incomplete', 2, 'rev-two'))
2204
 
        # Then it should ask the fallback, using revno/revid from the
2205
 
        # history-incomplete response as the known revno/revid.
2206
 
        client.add_expected_call(
2207
 
            'Repository.get_rev_id_for_revno',('fallback/', 1, (2, 'rev-two')),
2208
 
            'success', ('ok', 'rev-one'))
2209
 
        result = repo.get_rev_id_for_revno(1, (42, 'rev-foo'))
2210
 
        self.assertEqual((True, 'rev-one'), result)
2211
 
        self.assertFinished(client)
2212
 
 
2213
 
    def test_nosuchrevision(self):
2214
 
        # 'nosuchrevision' is returned when the known-revid is not found in the
2215
 
        # remote repo.  The client translates that response to NoSuchRevision.
2216
 
        repo, client = self.setup_fake_client_and_repository('quack')
2217
 
        client.add_expected_call(
2218
 
            'Repository.get_rev_id_for_revno', ('quack/', 5, (42, 'rev-foo')),
2219
 
            'error', ('nosuchrevision', 'rev-foo'))
2220
 
        self.assertRaises(
2221
 
            errors.NoSuchRevision,
2222
 
            repo.get_rev_id_for_revno, 5, (42, 'rev-foo'))
2223
 
        self.assertFinished(client)
2224
 
 
2225
 
    def test_branch_fallback_locking(self):
2226
 
        """RemoteBranch.get_rev_id takes a read lock, and tries to call the
2227
 
        get_rev_id_for_revno verb.  If the verb is unknown the VFS fallback
2228
 
        will be invoked, which will fail if the repo is unlocked.
2229
 
        """
2230
 
        self.setup_smart_server_with_call_log()
2231
 
        tree = self.make_branch_and_memory_tree('.')
2232
 
        tree.lock_write()
2233
 
        rev1 = tree.commit('First')
2234
 
        rev2 = tree.commit('Second')
2235
 
        tree.unlock()
2236
 
        branch = tree.branch
2237
 
        self.assertFalse(branch.is_locked())
2238
 
        self.reset_smart_call_log()
2239
 
        verb = 'Repository.get_rev_id_for_revno'
2240
 
        self.disable_verb(verb)
2241
 
        self.assertEqual(rev1, branch.get_rev_id(1))
2242
 
        self.assertLength(1, [call for call in self.hpss_calls if
2243
 
                              call.call.method == verb])
2244
 
 
2245
 
 
2246
 
class TestRepositoryIsShared(TestRemoteRepository):
2247
 
 
2248
 
    def test_is_shared(self):
2249
 
        # ('yes', ) for Repository.is_shared -> 'True'.
2250
 
        transport_path = 'quack'
2251
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2252
 
        client.add_success_response('yes')
2253
 
        result = repo.is_shared()
2254
 
        self.assertEqual(
2255
 
            [('call', 'Repository.is_shared', ('quack/',))],
2256
 
            client._calls)
2257
 
        self.assertEqual(True, result)
2258
 
 
2259
 
    def test_is_not_shared(self):
2260
 
        # ('no', ) for Repository.is_shared -> 'False'.
2261
 
        transport_path = 'qwack'
2262
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2263
 
        client.add_success_response('no')
2264
 
        result = repo.is_shared()
2265
 
        self.assertEqual(
2266
 
            [('call', 'Repository.is_shared', ('qwack/',))],
2267
 
            client._calls)
2268
 
        self.assertEqual(False, result)
2269
 
 
2270
 
 
2271
 
class TestRepositoryLockWrite(TestRemoteRepository):
2272
 
 
2273
 
    def test_lock_write(self):
2274
 
        transport_path = 'quack'
2275
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2276
 
        client.add_success_response('ok', 'a token')
2277
 
        result = repo.lock_write()
2278
 
        self.assertEqual(
2279
 
            [('call', 'Repository.lock_write', ('quack/', ''))],
2280
 
            client._calls)
2281
 
        self.assertEqual('a token', result)
2282
 
 
2283
 
    def test_lock_write_already_locked(self):
2284
 
        transport_path = 'quack'
2285
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2286
 
        client.add_error_response('LockContention')
2287
 
        self.assertRaises(errors.LockContention, repo.lock_write)
2288
 
        self.assertEqual(
2289
 
            [('call', 'Repository.lock_write', ('quack/', ''))],
2290
 
            client._calls)
2291
 
 
2292
 
    def test_lock_write_unlockable(self):
2293
 
        transport_path = 'quack'
2294
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2295
 
        client.add_error_response('UnlockableTransport')
2296
 
        self.assertRaises(errors.UnlockableTransport, repo.lock_write)
2297
 
        self.assertEqual(
2298
 
            [('call', 'Repository.lock_write', ('quack/', ''))],
2299
 
            client._calls)
2300
 
 
2301
 
 
2302
 
class TestRepositorySetMakeWorkingTrees(TestRemoteRepository):
2303
 
 
2304
 
    def test_backwards_compat(self):
2305
 
        self.setup_smart_server_with_call_log()
2306
 
        repo = self.make_repository('.')
2307
 
        self.reset_smart_call_log()
2308
 
        verb = 'Repository.set_make_working_trees'
2309
 
        self.disable_verb(verb)
2310
 
        repo.set_make_working_trees(True)
2311
 
        call_count = len([call for call in self.hpss_calls if
2312
 
            call.call.method == verb])
2313
 
        self.assertEqual(1, call_count)
2314
 
 
2315
 
    def test_current(self):
2316
 
        transport_path = 'quack'
2317
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2318
 
        client.add_expected_call(
2319
 
            'Repository.set_make_working_trees', ('quack/', 'True'),
2320
 
            'success', ('ok',))
2321
 
        client.add_expected_call(
2322
 
            'Repository.set_make_working_trees', ('quack/', 'False'),
2323
 
            'success', ('ok',))
2324
 
        repo.set_make_working_trees(True)
2325
 
        repo.set_make_working_trees(False)
2326
 
 
2327
 
 
2328
 
class TestRepositoryUnlock(TestRemoteRepository):
2329
 
 
2330
 
    def test_unlock(self):
2331
 
        transport_path = 'quack'
2332
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2333
 
        client.add_success_response('ok', 'a token')
2334
 
        client.add_success_response('ok')
2335
 
        repo.lock_write()
2336
 
        repo.unlock()
2337
 
        self.assertEqual(
2338
 
            [('call', 'Repository.lock_write', ('quack/', '')),
2339
 
             ('call', 'Repository.unlock', ('quack/', 'a token'))],
2340
 
            client._calls)
2341
 
 
2342
 
    def test_unlock_wrong_token(self):
2343
 
        # If somehow the token is wrong, unlock will raise TokenMismatch.
2344
 
        transport_path = 'quack'
2345
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2346
 
        client.add_success_response('ok', 'a token')
2347
 
        client.add_error_response('TokenMismatch')
2348
 
        repo.lock_write()
2349
 
        self.assertRaises(errors.TokenMismatch, repo.unlock)
2350
 
 
2351
 
 
2352
 
class TestRepositoryHasRevision(TestRemoteRepository):
2353
 
 
2354
 
    def test_none(self):
2355
 
        # repo.has_revision(None) should not cause any traffic.
2356
 
        transport_path = 'quack'
2357
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2358
 
 
2359
 
        # The null revision is always there, so has_revision(None) == True.
2360
 
        self.assertEqual(True, repo.has_revision(NULL_REVISION))
2361
 
 
2362
 
        # The remote repo shouldn't be accessed.
2363
 
        self.assertEqual([], client._calls)
2364
 
 
2365
 
 
2366
 
class TestRepositoryInsertStreamBase(TestRemoteRepository):
2367
 
    """Base class for Repository.insert_stream and .insert_stream_1.19
2368
 
    tests.
2369
 
    """
2370
 
    
2371
 
    def checkInsertEmptyStream(self, repo, client):
2372
 
        """Insert an empty stream, checking the result.
2373
 
 
2374
 
        This checks that there are no resume_tokens or missing_keys, and that
2375
 
        the client is finished.
2376
 
        """
2377
 
        sink = repo._get_sink()
2378
 
        fmt = repository.RepositoryFormat.get_default_format()
2379
 
        resume_tokens, missing_keys = sink.insert_stream([], fmt, [])
2380
 
        self.assertEqual([], resume_tokens)
2381
 
        self.assertEqual(set(), missing_keys)
2382
 
        self.assertFinished(client)
2383
 
 
2384
 
 
2385
 
class TestRepositoryInsertStream(TestRepositoryInsertStreamBase):
2386
 
    """Tests for using Repository.insert_stream verb when the _1.19 variant is
2387
 
    not available.
2388
 
 
2389
 
    This test case is very similar to TestRepositoryInsertStream_1_19.
2390
 
    """
2391
 
 
2392
 
    def setUp(self):
2393
 
        TestRemoteRepository.setUp(self)
2394
 
        self.disable_verb('Repository.insert_stream_1.19')
2395
 
 
2396
 
    def test_unlocked_repo(self):
2397
 
        transport_path = 'quack'
2398
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2399
 
        client.add_expected_call(
2400
 
            'Repository.insert_stream_1.19', ('quack/', ''),
2401
 
            'unknown', ('Repository.insert_stream_1.19',))
2402
 
        client.add_expected_call(
2403
 
            'Repository.insert_stream', ('quack/', ''),
2404
 
            'success', ('ok',))
2405
 
        client.add_expected_call(
2406
 
            'Repository.insert_stream', ('quack/', ''),
2407
 
            'success', ('ok',))
2408
 
        self.checkInsertEmptyStream(repo, client)
2409
 
 
2410
 
    def test_locked_repo_with_no_lock_token(self):
2411
 
        transport_path = 'quack'
2412
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2413
 
        client.add_expected_call(
2414
 
            'Repository.lock_write', ('quack/', ''),
2415
 
            'success', ('ok', ''))
2416
 
        client.add_expected_call(
2417
 
            'Repository.insert_stream_1.19', ('quack/', ''),
2418
 
            'unknown', ('Repository.insert_stream_1.19',))
2419
 
        client.add_expected_call(
2420
 
            'Repository.insert_stream', ('quack/', ''),
2421
 
            'success', ('ok',))
2422
 
        client.add_expected_call(
2423
 
            'Repository.insert_stream', ('quack/', ''),
2424
 
            'success', ('ok',))
2425
 
        repo.lock_write()
2426
 
        self.checkInsertEmptyStream(repo, client)
2427
 
 
2428
 
    def test_locked_repo_with_lock_token(self):
2429
 
        transport_path = 'quack'
2430
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2431
 
        client.add_expected_call(
2432
 
            'Repository.lock_write', ('quack/', ''),
2433
 
            'success', ('ok', 'a token'))
2434
 
        client.add_expected_call(
2435
 
            'Repository.insert_stream_1.19', ('quack/', '', 'a token'),
2436
 
            'unknown', ('Repository.insert_stream_1.19',))
2437
 
        client.add_expected_call(
2438
 
            'Repository.insert_stream_locked', ('quack/', '', 'a token'),
2439
 
            'success', ('ok',))
2440
 
        client.add_expected_call(
2441
 
            'Repository.insert_stream_locked', ('quack/', '', 'a token'),
2442
 
            'success', ('ok',))
2443
 
        repo.lock_write()
2444
 
        self.checkInsertEmptyStream(repo, client)
2445
 
 
2446
 
    def test_stream_with_inventory_deltas(self):
2447
 
        """'inventory-deltas' substreams cannot be sent to the
2448
 
        Repository.insert_stream verb, because not all servers that implement
2449
 
        that verb will accept them.  So when one is encountered the RemoteSink
2450
 
        immediately stops using that verb and falls back to VFS insert_stream.
2451
 
        """
2452
 
        transport_path = 'quack'
2453
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2454
 
        client.add_expected_call(
2455
 
            'Repository.insert_stream_1.19', ('quack/', ''),
2456
 
            'unknown', ('Repository.insert_stream_1.19',))
2457
 
        client.add_expected_call(
2458
 
            'Repository.insert_stream', ('quack/', ''),
2459
 
            'success', ('ok',))
2460
 
        client.add_expected_call(
2461
 
            'Repository.insert_stream', ('quack/', ''),
2462
 
            'success', ('ok',))
2463
 
        # Create a fake real repository for insert_stream to fall back on, so
2464
 
        # that we can directly see the records the RemoteSink passes to the
2465
 
        # real sink.
2466
 
        class FakeRealSink:
2467
 
            def __init__(self):
2468
 
                self.records = []
2469
 
            def insert_stream(self, stream, src_format, resume_tokens):
2470
 
                for substream_kind, substream in stream:
2471
 
                    self.records.append(
2472
 
                        (substream_kind, [record.key for record in substream]))
2473
 
                return ['fake tokens'], ['fake missing keys']
2474
 
        fake_real_sink = FakeRealSink()
2475
 
        class FakeRealRepository:
2476
 
            def _get_sink(self):
2477
 
                return fake_real_sink
2478
 
            def is_in_write_group(self):
2479
 
                return False
2480
 
            def refresh_data(self):
2481
 
                return True
2482
 
        repo._real_repository = FakeRealRepository()
2483
 
        sink = repo._get_sink()
2484
 
        fmt = repository.RepositoryFormat.get_default_format()
2485
 
        stream = self.make_stream_with_inv_deltas(fmt)
2486
 
        resume_tokens, missing_keys = sink.insert_stream(stream, fmt, [])
2487
 
        # Every record from the first inventory delta should have been sent to
2488
 
        # the VFS sink.
2489
 
        expected_records = [
2490
 
            ('inventory-deltas', [('rev2',), ('rev3',)]),
2491
 
            ('texts', [('some-rev', 'some-file')])]
2492
 
        self.assertEqual(expected_records, fake_real_sink.records)
2493
 
        # The return values from the real sink's insert_stream are propagated
2494
 
        # back to the original caller.
2495
 
        self.assertEqual(['fake tokens'], resume_tokens)
2496
 
        self.assertEqual(['fake missing keys'], missing_keys)
2497
 
        self.assertFinished(client)
2498
 
 
2499
 
    def make_stream_with_inv_deltas(self, fmt):
2500
 
        """Make a simple stream with an inventory delta followed by more
2501
 
        records and more substreams to test that all records and substreams
2502
 
        from that point on are used.
2503
 
 
2504
 
        This sends, in order:
2505
 
           * inventories substream: rev1, rev2, rev3.  rev2 and rev3 are
2506
 
             inventory-deltas.
2507
 
           * texts substream: (some-rev, some-file)
2508
 
        """
2509
 
        # Define a stream using generators so that it isn't rewindable.
2510
 
        inv = inventory.Inventory(revision_id='rev1')
2511
 
        inv.root.revision = 'rev1'
2512
 
        def stream_with_inv_delta():
2513
 
            yield ('inventories', inventories_substream())
2514
 
            yield ('inventory-deltas', inventory_delta_substream())
2515
 
            yield ('texts', [
2516
 
                versionedfile.FulltextContentFactory(
2517
 
                    ('some-rev', 'some-file'), (), None, 'content')])
2518
 
        def inventories_substream():
2519
 
            # An empty inventory fulltext.  This will be streamed normally.
2520
 
            text = fmt._serializer.write_inventory_to_string(inv)
2521
 
            yield versionedfile.FulltextContentFactory(
2522
 
                ('rev1',), (), None, text)
2523
 
        def inventory_delta_substream():
2524
 
            # An inventory delta.  This can't be streamed via this verb, so it
2525
 
            # will trigger a fallback to VFS insert_stream.
2526
 
            entry = inv.make_entry(
2527
 
                'directory', 'newdir', inv.root.file_id, 'newdir-id')
2528
 
            entry.revision = 'ghost'
2529
 
            delta = [(None, 'newdir', 'newdir-id', entry)]
2530
 
            serializer = inventory_delta.InventoryDeltaSerializer(
2531
 
                versioned_root=True, tree_references=False)
2532
 
            lines = serializer.delta_to_lines('rev1', 'rev2', delta)
2533
 
            yield versionedfile.ChunkedContentFactory(
2534
 
                ('rev2',), (('rev1',)), None, lines)
2535
 
            # Another delta.
2536
 
            lines = serializer.delta_to_lines('rev1', 'rev3', delta)
2537
 
            yield versionedfile.ChunkedContentFactory(
2538
 
                ('rev3',), (('rev1',)), None, lines)
2539
 
        return stream_with_inv_delta()
2540
 
 
2541
 
 
2542
 
class TestRepositoryInsertStream_1_19(TestRepositoryInsertStreamBase):
2543
 
 
2544
 
    def test_unlocked_repo(self):
2545
 
        transport_path = 'quack'
2546
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2547
 
        client.add_expected_call(
2548
 
            'Repository.insert_stream_1.19', ('quack/', ''),
2549
 
            'success', ('ok',))
2550
 
        client.add_expected_call(
2551
 
            'Repository.insert_stream_1.19', ('quack/', ''),
2552
 
            'success', ('ok',))
2553
 
        self.checkInsertEmptyStream(repo, client)
2554
 
 
2555
 
    def test_locked_repo_with_no_lock_token(self):
2556
 
        transport_path = 'quack'
2557
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2558
 
        client.add_expected_call(
2559
 
            'Repository.lock_write', ('quack/', ''),
2560
 
            'success', ('ok', ''))
2561
 
        client.add_expected_call(
2562
 
            'Repository.insert_stream_1.19', ('quack/', ''),
2563
 
            'success', ('ok',))
2564
 
        client.add_expected_call(
2565
 
            'Repository.insert_stream_1.19', ('quack/', ''),
2566
 
            'success', ('ok',))
2567
 
        repo.lock_write()
2568
 
        self.checkInsertEmptyStream(repo, client)
2569
 
 
2570
 
    def test_locked_repo_with_lock_token(self):
2571
 
        transport_path = 'quack'
2572
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2573
 
        client.add_expected_call(
2574
 
            'Repository.lock_write', ('quack/', ''),
2575
 
            'success', ('ok', 'a token'))
2576
 
        client.add_expected_call(
2577
 
            'Repository.insert_stream_1.19', ('quack/', '', 'a token'),
2578
 
            'success', ('ok',))
2579
 
        client.add_expected_call(
2580
 
            'Repository.insert_stream_1.19', ('quack/', '', 'a token'),
2581
 
            'success', ('ok',))
2582
 
        repo.lock_write()
2583
 
        self.checkInsertEmptyStream(repo, client)
2584
 
 
2585
 
 
2586
 
class TestRepositoryTarball(TestRemoteRepository):
2587
 
 
2588
 
    # This is a canned tarball reponse we can validate against
2589
 
    tarball_content = (
2590
 
        'QlpoOTFBWSZTWdGkj3wAAWF/k8aQACBIB//A9+8cIX/v33AACEAYABAECEACNz'
2591
 
        'JqsgJJFPTSnk1A3qh6mTQAAAANPUHkagkSTEkaA09QaNAAAGgAAAcwCYCZGAEY'
2592
 
        'mJhMJghpiaYBUkKammSHqNMZQ0NABkNAeo0AGneAevnlwQoGzEzNVzaYxp/1Uk'
2593
 
        'xXzA1CQX0BJMZZLcPBrluJir5SQyijWHYZ6ZUtVqqlYDdB2QoCwa9GyWwGYDMA'
2594
 
        'OQYhkpLt/OKFnnlT8E0PmO8+ZNSo2WWqeCzGB5fBXZ3IvV7uNJVE7DYnWj6qwB'
2595
 
        'k5DJDIrQ5OQHHIjkS9KqwG3mc3t+F1+iujb89ufyBNIKCgeZBWrl5cXxbMGoMs'
2596
 
        'c9JuUkg5YsiVcaZJurc6KLi6yKOkgCUOlIlOpOoXyrTJjK8ZgbklReDdwGmFgt'
2597
 
        'dkVsAIslSVCd4AtACSLbyhLHryfb14PKegrVDba+U8OL6KQtzdM5HLjAc8/p6n'
2598
 
        '0lgaWU8skgO7xupPTkyuwheSckejFLK5T4ZOo0Gda9viaIhpD1Qn7JqqlKAJqC'
2599
 
        'QplPKp2nqBWAfwBGaOwVrz3y1T+UZZNismXHsb2Jq18T+VaD9k4P8DqE3g70qV'
2600
 
        'JLurpnDI6VS5oqDDPVbtVjMxMxMg4rzQVipn2Bv1fVNK0iq3Gl0hhnnHKm/egy'
2601
 
        'nWQ7QH/F3JFOFCQ0aSPfA='
2602
 
        ).decode('base64')
2603
 
 
2604
 
    def test_repository_tarball(self):
2605
 
        # Test that Repository.tarball generates the right operations
2606
 
        transport_path = 'repo'
2607
 
        expected_calls = [('call_expecting_body', 'Repository.tarball',
2608
 
                           ('repo/', 'bz2',),),
2609
 
            ]
2610
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2611
 
        client.add_success_response_with_body(self.tarball_content, 'ok')
2612
 
        # Now actually ask for the tarball
2613
 
        tarball_file = repo._get_tarball('bz2')
2614
 
        try:
2615
 
            self.assertEqual(expected_calls, client._calls)
2616
 
            self.assertEqual(self.tarball_content, tarball_file.read())
2617
 
        finally:
2618
 
            tarball_file.close()
2619
 
 
2620
 
 
2621
 
class TestRemoteRepositoryCopyContent(tests.TestCaseWithTransport):
2622
 
    """RemoteRepository.copy_content_into optimizations"""
2623
 
 
2624
 
    def test_copy_content_remote_to_local(self):
2625
 
        self.transport_server = server.SmartTCPServer_for_testing
2626
 
        src_repo = self.make_repository('repo1')
2627
 
        src_repo = repository.Repository.open(self.get_url('repo1'))
2628
 
        # At the moment the tarball-based copy_content_into can't write back
2629
 
        # into a smart server.  It would be good if it could upload the
2630
 
        # tarball; once that works we'd have to create repositories of
2631
 
        # different formats. -- mbp 20070410
2632
 
        dest_url = self.get_vfs_only_url('repo2')
2633
 
        dest_bzrdir = BzrDir.create(dest_url)
2634
 
        dest_repo = dest_bzrdir.create_repository()
2635
 
        self.assertFalse(isinstance(dest_repo, RemoteRepository))
2636
 
        self.assertTrue(isinstance(src_repo, RemoteRepository))
2637
 
        src_repo.copy_content_into(dest_repo)
2638
 
 
2639
 
 
2640
 
class _StubRealPackRepository(object):
2641
 
 
2642
 
    def __init__(self, calls):
2643
 
        self.calls = calls
2644
 
        self._pack_collection = _StubPackCollection(calls)
2645
 
 
2646
 
    def is_in_write_group(self):
2647
 
        return False
2648
 
 
2649
 
    def refresh_data(self):
2650
 
        self.calls.append(('pack collection reload_pack_names',))
2651
 
 
2652
 
 
2653
 
class _StubPackCollection(object):
2654
 
 
2655
 
    def __init__(self, calls):
2656
 
        self.calls = calls
2657
 
 
2658
 
    def autopack(self):
2659
 
        self.calls.append(('pack collection autopack',))
2660
 
 
2661
 
 
2662
 
class TestRemotePackRepositoryAutoPack(TestRemoteRepository):
2663
 
    """Tests for RemoteRepository.autopack implementation."""
2664
 
 
2665
 
    def test_ok(self):
2666
 
        """When the server returns 'ok' and there's no _real_repository, then
2667
 
        nothing else happens: the autopack method is done.
2668
 
        """
2669
 
        transport_path = 'quack'
2670
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2671
 
        client.add_expected_call(
2672
 
            'PackRepository.autopack', ('quack/',), 'success', ('ok',))
2673
 
        repo.autopack()
2674
 
        self.assertFinished(client)
2675
 
 
2676
 
    def test_ok_with_real_repo(self):
2677
 
        """When the server returns 'ok' and there is a _real_repository, then
2678
 
        the _real_repository's reload_pack_name's method will be called.
2679
 
        """
2680
 
        transport_path = 'quack'
2681
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2682
 
        client.add_expected_call(
2683
 
            'PackRepository.autopack', ('quack/',),
2684
 
            'success', ('ok',))
2685
 
        repo._real_repository = _StubRealPackRepository(client._calls)
2686
 
        repo.autopack()
2687
 
        self.assertEqual(
2688
 
            [('call', 'PackRepository.autopack', ('quack/',)),
2689
 
             ('pack collection reload_pack_names',)],
2690
 
            client._calls)
2691
 
 
2692
 
    def test_backwards_compatibility(self):
2693
 
        """If the server does not recognise the PackRepository.autopack verb,
2694
 
        fallback to the real_repository's implementation.
2695
 
        """
2696
 
        transport_path = 'quack'
2697
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2698
 
        client.add_unknown_method_response('PackRepository.autopack')
2699
 
        def stub_ensure_real():
2700
 
            client._calls.append(('_ensure_real',))
2701
 
            repo._real_repository = _StubRealPackRepository(client._calls)
2702
 
        repo._ensure_real = stub_ensure_real
2703
 
        repo.autopack()
2704
 
        self.assertEqual(
2705
 
            [('call', 'PackRepository.autopack', ('quack/',)),
2706
 
             ('_ensure_real',),
2707
 
             ('pack collection autopack',)],
2708
 
            client._calls)
2709
 
 
2710
 
 
2711
 
class TestErrorTranslationBase(tests.TestCaseWithMemoryTransport):
2712
 
    """Base class for unit tests for bzrlib.remote._translate_error."""
2713
 
 
2714
 
    def translateTuple(self, error_tuple, **context):
2715
 
        """Call _translate_error with an ErrorFromSmartServer built from the
2716
 
        given error_tuple.
2717
 
 
2718
 
        :param error_tuple: A tuple of a smart server response, as would be
2719
 
            passed to an ErrorFromSmartServer.
2720
 
        :kwargs context: context items to call _translate_error with.
2721
 
 
2722
 
        :returns: The error raised by _translate_error.
2723
 
        """
2724
 
        # Raise the ErrorFromSmartServer before passing it as an argument,
2725
 
        # because _translate_error may need to re-raise it with a bare 'raise'
2726
 
        # statement.
2727
 
        server_error = errors.ErrorFromSmartServer(error_tuple)
2728
 
        translated_error = self.translateErrorFromSmartServer(
2729
 
            server_error, **context)
2730
 
        return translated_error
2731
 
 
2732
 
    def translateErrorFromSmartServer(self, error_object, **context):
2733
 
        """Like translateTuple, but takes an already constructed
2734
 
        ErrorFromSmartServer rather than a tuple.
2735
 
        """
2736
 
        try:
2737
 
            raise error_object
2738
 
        except errors.ErrorFromSmartServer, server_error:
2739
 
            translated_error = self.assertRaises(
2740
 
                errors.BzrError, remote._translate_error, server_error,
2741
 
                **context)
2742
 
        return translated_error
2743
 
 
2744
 
 
2745
 
class TestErrorTranslationSuccess(TestErrorTranslationBase):
2746
 
    """Unit tests for bzrlib.remote._translate_error.
2747
 
 
2748
 
    Given an ErrorFromSmartServer (which has an error tuple from a smart
2749
 
    server) and some context, _translate_error raises more specific errors from
2750
 
    bzrlib.errors.
2751
 
 
2752
 
    This test case covers the cases where _translate_error succeeds in
2753
 
    translating an ErrorFromSmartServer to something better.  See
2754
 
    TestErrorTranslationRobustness for other cases.
2755
 
    """
2756
 
 
2757
 
    def test_NoSuchRevision(self):
2758
 
        branch = self.make_branch('')
2759
 
        revid = 'revid'
2760
 
        translated_error = self.translateTuple(
2761
 
            ('NoSuchRevision', revid), branch=branch)
2762
 
        expected_error = errors.NoSuchRevision(branch, revid)
2763
 
        self.assertEqual(expected_error, translated_error)
2764
 
 
2765
 
    def test_nosuchrevision(self):
2766
 
        repository = self.make_repository('')
2767
 
        revid = 'revid'
2768
 
        translated_error = self.translateTuple(
2769
 
            ('nosuchrevision', revid), repository=repository)
2770
 
        expected_error = errors.NoSuchRevision(repository, revid)
2771
 
        self.assertEqual(expected_error, translated_error)
2772
 
 
2773
 
    def test_nobranch(self):
2774
 
        bzrdir = self.make_bzrdir('')
2775
 
        translated_error = self.translateTuple(('nobranch',), bzrdir=bzrdir)
2776
 
        expected_error = errors.NotBranchError(path=bzrdir.root_transport.base)
2777
 
        self.assertEqual(expected_error, translated_error)
2778
 
 
2779
 
    def test_nobranch_one_arg(self):
2780
 
        bzrdir = self.make_bzrdir('')
2781
 
        translated_error = self.translateTuple(
2782
 
            ('nobranch', 'extra detail'), bzrdir=bzrdir)
2783
 
        expected_error = errors.NotBranchError(
2784
 
            path=bzrdir.root_transport.base,
2785
 
            detail='extra detail')
2786
 
        self.assertEqual(expected_error, translated_error)
2787
 
 
2788
 
    def test_LockContention(self):
2789
 
        translated_error = self.translateTuple(('LockContention',))
2790
 
        expected_error = errors.LockContention('(remote lock)')
2791
 
        self.assertEqual(expected_error, translated_error)
2792
 
 
2793
 
    def test_UnlockableTransport(self):
2794
 
        bzrdir = self.make_bzrdir('')
2795
 
        translated_error = self.translateTuple(
2796
 
            ('UnlockableTransport',), bzrdir=bzrdir)
2797
 
        expected_error = errors.UnlockableTransport(bzrdir.root_transport)
2798
 
        self.assertEqual(expected_error, translated_error)
2799
 
 
2800
 
    def test_LockFailed(self):
2801
 
        lock = 'str() of a server lock'
2802
 
        why = 'str() of why'
2803
 
        translated_error = self.translateTuple(('LockFailed', lock, why))
2804
 
        expected_error = errors.LockFailed(lock, why)
2805
 
        self.assertEqual(expected_error, translated_error)
2806
 
 
2807
 
    def test_TokenMismatch(self):
2808
 
        token = 'a lock token'
2809
 
        translated_error = self.translateTuple(('TokenMismatch',), token=token)
2810
 
        expected_error = errors.TokenMismatch(token, '(remote token)')
2811
 
        self.assertEqual(expected_error, translated_error)
2812
 
 
2813
 
    def test_Diverged(self):
2814
 
        branch = self.make_branch('a')
2815
 
        other_branch = self.make_branch('b')
2816
 
        translated_error = self.translateTuple(
2817
 
            ('Diverged',), branch=branch, other_branch=other_branch)
2818
 
        expected_error = errors.DivergedBranches(branch, other_branch)
2819
 
        self.assertEqual(expected_error, translated_error)
2820
 
 
2821
 
    def test_ReadError_no_args(self):
2822
 
        path = 'a path'
2823
 
        translated_error = self.translateTuple(('ReadError',), path=path)
2824
 
        expected_error = errors.ReadError(path)
2825
 
        self.assertEqual(expected_error, translated_error)
2826
 
 
2827
 
    def test_ReadError(self):
2828
 
        path = 'a path'
2829
 
        translated_error = self.translateTuple(('ReadError', path))
2830
 
        expected_error = errors.ReadError(path)
2831
 
        self.assertEqual(expected_error, translated_error)
2832
 
 
2833
 
    def test_IncompatibleRepositories(self):
2834
 
        translated_error = self.translateTuple(('IncompatibleRepositories',
2835
 
            "repo1", "repo2", "details here"))
2836
 
        expected_error = errors.IncompatibleRepositories("repo1", "repo2",
2837
 
            "details here")
2838
 
        self.assertEqual(expected_error, translated_error)
2839
 
 
2840
 
    def test_PermissionDenied_no_args(self):
2841
 
        path = 'a path'
2842
 
        translated_error = self.translateTuple(('PermissionDenied',), path=path)
2843
 
        expected_error = errors.PermissionDenied(path)
2844
 
        self.assertEqual(expected_error, translated_error)
2845
 
 
2846
 
    def test_PermissionDenied_one_arg(self):
2847
 
        path = 'a path'
2848
 
        translated_error = self.translateTuple(('PermissionDenied', path))
2849
 
        expected_error = errors.PermissionDenied(path)
2850
 
        self.assertEqual(expected_error, translated_error)
2851
 
 
2852
 
    def test_PermissionDenied_one_arg_and_context(self):
2853
 
        """Given a choice between a path from the local context and a path on
2854
 
        the wire, _translate_error prefers the path from the local context.
2855
 
        """
2856
 
        local_path = 'local path'
2857
 
        remote_path = 'remote path'
2858
 
        translated_error = self.translateTuple(
2859
 
            ('PermissionDenied', remote_path), path=local_path)
2860
 
        expected_error = errors.PermissionDenied(local_path)
2861
 
        self.assertEqual(expected_error, translated_error)
2862
 
 
2863
 
    def test_PermissionDenied_two_args(self):
2864
 
        path = 'a path'
2865
 
        extra = 'a string with extra info'
2866
 
        translated_error = self.translateTuple(
2867
 
            ('PermissionDenied', path, extra))
2868
 
        expected_error = errors.PermissionDenied(path, extra)
2869
 
        self.assertEqual(expected_error, translated_error)
2870
 
 
2871
 
 
2872
 
class TestErrorTranslationRobustness(TestErrorTranslationBase):
2873
 
    """Unit tests for bzrlib.remote._translate_error's robustness.
2874
 
 
2875
 
    TestErrorTranslationSuccess is for cases where _translate_error can
2876
 
    translate successfully.  This class about how _translate_err behaves when
2877
 
    it fails to translate: it re-raises the original error.
2878
 
    """
2879
 
 
2880
 
    def test_unrecognised_server_error(self):
2881
 
        """If the error code from the server is not recognised, the original
2882
 
        ErrorFromSmartServer is propagated unmodified.
2883
 
        """
2884
 
        error_tuple = ('An unknown error tuple',)
2885
 
        server_error = errors.ErrorFromSmartServer(error_tuple)
2886
 
        translated_error = self.translateErrorFromSmartServer(server_error)
2887
 
        expected_error = errors.UnknownErrorFromSmartServer(server_error)
2888
 
        self.assertEqual(expected_error, translated_error)
2889
 
 
2890
 
    def test_context_missing_a_key(self):
2891
 
        """In case of a bug in the client, or perhaps an unexpected response
2892
 
        from a server, _translate_error returns the original error tuple from
2893
 
        the server and mutters a warning.
2894
 
        """
2895
 
        # To translate a NoSuchRevision error _translate_error needs a 'branch'
2896
 
        # in the context dict.  So let's give it an empty context dict instead
2897
 
        # to exercise its error recovery.
2898
 
        empty_context = {}
2899
 
        error_tuple = ('NoSuchRevision', 'revid')
2900
 
        server_error = errors.ErrorFromSmartServer(error_tuple)
2901
 
        translated_error = self.translateErrorFromSmartServer(server_error)
2902
 
        self.assertEqual(server_error, translated_error)
2903
 
        # In addition to re-raising ErrorFromSmartServer, some debug info has
2904
 
        # been muttered to the log file for developer to look at.
2905
 
        self.assertContainsRe(
2906
 
            self.get_log(),
2907
 
            "Missing key 'branch' in context")
2908
 
 
2909
 
    def test_path_missing(self):
2910
 
        """Some translations (PermissionDenied, ReadError) can determine the
2911
 
        'path' variable from either the wire or the local context.  If neither
2912
 
        has it, then an error is raised.
2913
 
        """
2914
 
        error_tuple = ('ReadError',)
2915
 
        server_error = errors.ErrorFromSmartServer(error_tuple)
2916
 
        translated_error = self.translateErrorFromSmartServer(server_error)
2917
 
        self.assertEqual(server_error, translated_error)
2918
 
        # In addition to re-raising ErrorFromSmartServer, some debug info has
2919
 
        # been muttered to the log file for developer to look at.
2920
 
        self.assertContainsRe(self.get_log(), "Missing key 'path' in context")
2921
 
 
2922
 
 
2923
 
class TestStacking(tests.TestCaseWithTransport):
2924
 
    """Tests for operations on stacked remote repositories.
2925
 
 
2926
 
    The underlying format type must support stacking.
2927
 
    """
2928
 
 
2929
 
    def test_access_stacked_remote(self):
2930
 
        # based on <http://launchpad.net/bugs/261315>
2931
 
        # make a branch stacked on another repository containing an empty
2932
 
        # revision, then open it over hpss - we should be able to see that
2933
 
        # revision.
2934
 
        base_transport = self.get_transport()
2935
 
        base_builder = self.make_branch_builder('base', format='1.9')
2936
 
        base_builder.start_series()
2937
 
        base_revid = base_builder.build_snapshot('rev-id', None,
2938
 
            [('add', ('', None, 'directory', None))],
2939
 
            'message')
2940
 
        base_builder.finish_series()
2941
 
        stacked_branch = self.make_branch('stacked', format='1.9')
2942
 
        stacked_branch.set_stacked_on_url('../base')
2943
 
        # start a server looking at this
2944
 
        smart_server = server.SmartTCPServer_for_testing()
2945
 
        self.start_server(smart_server)
2946
 
        remote_bzrdir = BzrDir.open(smart_server.get_url() + '/stacked')
2947
 
        # can get its branch and repository
2948
 
        remote_branch = remote_bzrdir.open_branch()
2949
 
        remote_repo = remote_branch.repository
2950
 
        remote_repo.lock_read()
2951
 
        try:
2952
 
            # it should have an appropriate fallback repository, which should also
2953
 
            # be a RemoteRepository
2954
 
            self.assertLength(1, remote_repo._fallback_repositories)
2955
 
            self.assertIsInstance(remote_repo._fallback_repositories[0],
2956
 
                RemoteRepository)
2957
 
            # and it has the revision committed to the underlying repository;
2958
 
            # these have varying implementations so we try several of them
2959
 
            self.assertTrue(remote_repo.has_revisions([base_revid]))
2960
 
            self.assertTrue(remote_repo.has_revision(base_revid))
2961
 
            self.assertEqual(remote_repo.get_revision(base_revid).message,
2962
 
                'message')
2963
 
        finally:
2964
 
            remote_repo.unlock()
2965
 
 
2966
 
    def prepare_stacked_remote_branch(self):
2967
 
        """Get stacked_upon and stacked branches with content in each."""
2968
 
        self.setup_smart_server_with_call_log()
2969
 
        tree1 = self.make_branch_and_tree('tree1', format='1.9')
2970
 
        tree1.commit('rev1', rev_id='rev1')
2971
 
        tree2 = tree1.branch.bzrdir.sprout('tree2', stacked=True
2972
 
            ).open_workingtree()
2973
 
        local_tree = tree2.branch.create_checkout('local')
2974
 
        local_tree.commit('local changes make me feel good.')
2975
 
        branch2 = Branch.open(self.get_url('tree2'))
2976
 
        branch2.lock_read()
2977
 
        self.addCleanup(branch2.unlock)
2978
 
        return tree1.branch, branch2
2979
 
 
2980
 
    def test_stacked_get_parent_map(self):
2981
 
        # the public implementation of get_parent_map obeys stacking
2982
 
        _, branch = self.prepare_stacked_remote_branch()
2983
 
        repo = branch.repository
2984
 
        self.assertEqual(['rev1'], repo.get_parent_map(['rev1']).keys())
2985
 
 
2986
 
    def test_unstacked_get_parent_map(self):
2987
 
        # _unstacked_provider.get_parent_map ignores stacking
2988
 
        _, branch = self.prepare_stacked_remote_branch()
2989
 
        provider = branch.repository._unstacked_provider
2990
 
        self.assertEqual([], provider.get_parent_map(['rev1']).keys())
2991
 
 
2992
 
    def fetch_stream_to_rev_order(self, stream):
2993
 
        result = []
2994
 
        for kind, substream in stream:
2995
 
            if not kind == 'revisions':
2996
 
                list(substream)
2997
 
            else:
2998
 
                for content in substream:
2999
 
                    result.append(content.key[-1])
3000
 
        return result
3001
 
 
3002
 
    def get_ordered_revs(self, format, order, branch_factory=None):
3003
 
        """Get a list of the revisions in a stream to format format.
3004
 
 
3005
 
        :param format: The format of the target.
3006
 
        :param order: the order that target should have requested.
3007
 
        :param branch_factory: A callable to create a trunk and stacked branch
3008
 
            to fetch from. If none, self.prepare_stacked_remote_branch is used.
3009
 
        :result: The revision ids in the stream, in the order seen,
3010
 
            the topological order of revisions in the source.
3011
 
        """
3012
 
        unordered_format = bzrdir.format_registry.get(format)()
3013
 
        target_repository_format = unordered_format.repository_format
3014
 
        # Cross check
3015
 
        self.assertEqual(order, target_repository_format._fetch_order)
3016
 
        if branch_factory is None:
3017
 
            branch_factory = self.prepare_stacked_remote_branch
3018
 
        _, stacked = branch_factory()
3019
 
        source = stacked.repository._get_source(target_repository_format)
3020
 
        tip = stacked.last_revision()
3021
 
        revs = stacked.repository.get_ancestry(tip)
3022
 
        search = graph.PendingAncestryResult([tip], stacked.repository)
3023
 
        self.reset_smart_call_log()
3024
 
        stream = source.get_stream(search)
3025
 
        if None in revs:
3026
 
            revs.remove(None)
3027
 
        # We trust that if a revision is in the stream the rest of the new
3028
 
        # content for it is too, as per our main fetch tests; here we are
3029
 
        # checking that the revisions are actually included at all, and their
3030
 
        # order.
3031
 
        return self.fetch_stream_to_rev_order(stream), revs
3032
 
 
3033
 
    def test_stacked_get_stream_unordered(self):
3034
 
        # Repository._get_source.get_stream() from a stacked repository with
3035
 
        # unordered yields the full data from both stacked and stacked upon
3036
 
        # sources.
3037
 
        rev_ord, expected_revs = self.get_ordered_revs('1.9', 'unordered')
3038
 
        self.assertEqual(set(expected_revs), set(rev_ord))
3039
 
        # Getting unordered results should have made a streaming data request
3040
 
        # from the server, then one from the backing branch.
3041
 
        self.assertLength(2, self.hpss_calls)
3042
 
 
3043
 
    def test_stacked_on_stacked_get_stream_unordered(self):
3044
 
        # Repository._get_source.get_stream() from a stacked repository which
3045
 
        # is itself stacked yields the full data from all three sources.
3046
 
        def make_stacked_stacked():
3047
 
            _, stacked = self.prepare_stacked_remote_branch()
3048
 
            tree = stacked.bzrdir.sprout('tree3', stacked=True
3049
 
                ).open_workingtree()
3050
 
            local_tree = tree.branch.create_checkout('local-tree3')
3051
 
            local_tree.commit('more local changes are better')
3052
 
            branch = Branch.open(self.get_url('tree3'))
3053
 
            branch.lock_read()
3054
 
            self.addCleanup(branch.unlock)
3055
 
            return None, branch
3056
 
        rev_ord, expected_revs = self.get_ordered_revs('1.9', 'unordered',
3057
 
            branch_factory=make_stacked_stacked)
3058
 
        self.assertEqual(set(expected_revs), set(rev_ord))
3059
 
        # Getting unordered results should have made a streaming data request
3060
 
        # from the server, and one from each backing repo
3061
 
        self.assertLength(3, self.hpss_calls)
3062
 
 
3063
 
    def test_stacked_get_stream_topological(self):
3064
 
        # Repository._get_source.get_stream() from a stacked repository with
3065
 
        # topological sorting yields the full data from both stacked and
3066
 
        # stacked upon sources in topological order.
3067
 
        rev_ord, expected_revs = self.get_ordered_revs('knit', 'topological')
3068
 
        self.assertEqual(expected_revs, rev_ord)
3069
 
        # Getting topological sort requires VFS calls still - one of which is
3070
 
        # pushing up from the bound branch.
3071
 
        self.assertLength(13, self.hpss_calls)
3072
 
 
3073
 
    def test_stacked_get_stream_groupcompress(self):
3074
 
        # Repository._get_source.get_stream() from a stacked repository with
3075
 
        # groupcompress sorting yields the full data from both stacked and
3076
 
        # stacked upon sources in groupcompress order.
3077
 
        raise tests.TestSkipped('No groupcompress ordered format available')
3078
 
        rev_ord, expected_revs = self.get_ordered_revs('dev5', 'groupcompress')
3079
 
        self.assertEqual(expected_revs, reversed(rev_ord))
3080
 
        # Getting unordered results should have made a streaming data request
3081
 
        # from the backing branch, and one from the stacked on branch.
3082
 
        self.assertLength(2, self.hpss_calls)
3083
 
 
3084
 
    def test_stacked_pull_more_than_stacking_has_bug_360791(self):
3085
 
        # When pulling some fixed amount of content that is more than the
3086
 
        # source has (because some is coming from a fallback branch, no error
3087
 
        # should be received. This was reported as bug 360791.
3088
 
        # Need three branches: a trunk, a stacked branch, and a preexisting
3089
 
        # branch pulling content from stacked and trunk.
3090
 
        self.setup_smart_server_with_call_log()
3091
 
        trunk = self.make_branch_and_tree('trunk', format="1.9-rich-root")
3092
 
        r1 = trunk.commit('start')
3093
 
        stacked_branch = trunk.branch.create_clone_on_transport(
3094
 
            self.get_transport('stacked'), stacked_on=trunk.branch.base)
3095
 
        local = self.make_branch('local', format='1.9-rich-root')
3096
 
        local.repository.fetch(stacked_branch.repository,
3097
 
            stacked_branch.last_revision())
3098
 
 
3099
 
 
3100
 
class TestRemoteBranchEffort(tests.TestCaseWithTransport):
3101
 
 
3102
 
    def setUp(self):
3103
 
        super(TestRemoteBranchEffort, self).setUp()
3104
 
        # Create a smart server that publishes whatever the backing VFS server
3105
 
        # does.
3106
 
        self.smart_server = server.SmartTCPServer_for_testing()
3107
 
        self.start_server(self.smart_server, self.get_server())
3108
 
        # Log all HPSS calls into self.hpss_calls.
3109
 
        _SmartClient.hooks.install_named_hook(
3110
 
            'call', self.capture_hpss_call, None)
3111
 
        self.hpss_calls = []
3112
 
 
3113
 
    def capture_hpss_call(self, params):
3114
 
        self.hpss_calls.append(params.method)
3115
 
 
3116
 
    def test_copy_content_into_avoids_revision_history(self):
3117
 
        local = self.make_branch('local')
3118
 
        remote_backing_tree = self.make_branch_and_tree('remote')
3119
 
        remote_backing_tree.commit("Commit.")
3120
 
        remote_branch_url = self.smart_server.get_url() + 'remote'
3121
 
        remote_branch = bzrdir.BzrDir.open(remote_branch_url).open_branch()
3122
 
        local.repository.fetch(remote_branch.repository)
3123
 
        self.hpss_calls = []
3124
 
        remote_branch.copy_content_into(local)
3125
 
        self.assertFalse('Branch.revision_history' in self.hpss_calls)