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  • Committer: Canonical.com Patch Queue Manager
  • Date: 2010-01-21 10:00:42 UTC
  • mfrom: (4978.1.2 integration)
  • Revision ID: pqm@pqm.ubuntu.com-20100121100042-77858a88k2zpec7b
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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
        old_flag = SmartServerRepositoryGetParentMap.no_extra_results
 
2012
        SmartServerRepositoryGetParentMap.no_extra_results = True
 
2013
        def reset_values():
 
2014
            SmartServerRepositoryGetParentMap.no_extra_results = old_flag
 
2015
        self.addCleanup(reset_values)
 
2016
 
 
2017
    def test_null_cached_missing_and_stop_key(self):
 
2018
        self.setup_smart_server_with_call_log()
 
2019
        # Make a branch with a single revision.
 
2020
        builder = self.make_branch_builder('foo')
 
2021
        builder.start_series()
 
2022
        builder.build_snapshot('first', None, [
 
2023
            ('add', ('', 'root-id', 'directory', ''))])
 
2024
        builder.finish_series()
 
2025
        branch = builder.get_branch()
 
2026
        repo = branch.repository
 
2027
        self.assertIsInstance(repo, RemoteRepository)
 
2028
        # Stop the server from sending extra results.
 
2029
        self.disableExtraResults()
 
2030
        repo.lock_read()
 
2031
        self.addCleanup(repo.unlock)
 
2032
        self.reset_smart_call_log()
 
2033
        graph = repo.get_graph()
 
2034
        # Query for 'first' and 'null:'.  Because 'null:' is a parent of
 
2035
        # 'first' it will be a candidate for the stop_keys of subsequent
 
2036
        # requests, and because 'null:' was queried but not returned it will be
 
2037
        # cached as missing.
 
2038
        self.assertEqual({'first': ('null:',)},
 
2039
            graph.get_parent_map(['first', 'null:']))
 
2040
        # Now query for another key.  This request will pass along a recipe of
 
2041
        # start and stop keys describing the already cached results, and this
 
2042
        # recipe's revision count must be correct (or else it will trigger an
 
2043
        # error from the server).
 
2044
        self.assertEqual({}, graph.get_parent_map(['another-key']))
 
2045
        # This assertion guards against disableExtraResults silently failing to
 
2046
        # work, thus invalidating the test.
 
2047
        self.assertLength(2, self.hpss_calls)
 
2048
 
 
2049
    def test_get_parent_map_gets_ghosts_from_result(self):
 
2050
        # asking for a revision should negatively cache close ghosts in its
 
2051
        # ancestry.
 
2052
        self.setup_smart_server_with_call_log()
 
2053
        tree = self.make_branch_and_memory_tree('foo')
 
2054
        tree.lock_write()
 
2055
        try:
 
2056
            builder = treebuilder.TreeBuilder()
 
2057
            builder.start_tree(tree)
 
2058
            builder.build([])
 
2059
            builder.finish_tree()
 
2060
            tree.set_parent_ids(['non-existant'], allow_leftmost_as_ghost=True)
 
2061
            rev_id = tree.commit('')
 
2062
        finally:
 
2063
            tree.unlock()
 
2064
        tree.lock_read()
 
2065
        self.addCleanup(tree.unlock)
 
2066
        repo = tree.branch.repository
 
2067
        self.assertIsInstance(repo, RemoteRepository)
 
2068
        # ask for rev_id
 
2069
        repo.get_parent_map([rev_id])
 
2070
        self.reset_smart_call_log()
 
2071
        # Now asking for rev_id's ghost parent should not make calls
 
2072
        self.assertEqual({}, repo.get_parent_map(['non-existant']))
 
2073
        self.assertLength(0, self.hpss_calls)
 
2074
 
 
2075
 
 
2076
class TestGetParentMapAllowsNew(tests.TestCaseWithTransport):
 
2077
 
 
2078
    def test_allows_new_revisions(self):
 
2079
        """get_parent_map's results can be updated by commit."""
 
2080
        smart_server = server.SmartTCPServer_for_testing()
 
2081
        self.start_server(smart_server)
 
2082
        self.make_branch('branch')
 
2083
        branch = Branch.open(smart_server.get_url() + '/branch')
 
2084
        tree = branch.create_checkout('tree', lightweight=True)
 
2085
        tree.lock_write()
 
2086
        self.addCleanup(tree.unlock)
 
2087
        graph = tree.branch.repository.get_graph()
 
2088
        # This provides an opportunity for the missing rev-id to be cached.
 
2089
        self.assertEqual({}, graph.get_parent_map(['rev1']))
 
2090
        tree.commit('message', rev_id='rev1')
 
2091
        graph = tree.branch.repository.get_graph()
 
2092
        self.assertEqual({'rev1': ('null:',)}, graph.get_parent_map(['rev1']))
 
2093
 
 
2094
 
 
2095
class TestRepositoryGetRevisionGraph(TestRemoteRepository):
 
2096
 
 
2097
    def test_null_revision(self):
 
2098
        # a null revision has the predictable result {}, we should have no wire
 
2099
        # traffic when calling it with this argument
 
2100
        transport_path = 'empty'
 
2101
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
2102
        client.add_success_response('notused')
 
2103
        # actual RemoteRepository.get_revision_graph is gone, but there's an
 
2104
        # equivalent private method for testing
 
2105
        result = repo._get_revision_graph(NULL_REVISION)
 
2106
        self.assertEqual([], client._calls)
 
2107
        self.assertEqual({}, result)
 
2108
 
 
2109
    def test_none_revision(self):
 
2110
        # with none we want the entire graph
 
2111
        r1 = u'\u0e33'.encode('utf8')
 
2112
        r2 = u'\u0dab'.encode('utf8')
 
2113
        lines = [' '.join([r2, r1]), r1]
 
2114
        encoded_body = '\n'.join(lines)
 
2115
 
 
2116
        transport_path = 'sinhala'
 
2117
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
2118
        client.add_success_response_with_body(encoded_body, 'ok')
 
2119
        # actual RemoteRepository.get_revision_graph is gone, but there's an
 
2120
        # equivalent private method for testing
 
2121
        result = repo._get_revision_graph(None)
 
2122
        self.assertEqual(
 
2123
            [('call_expecting_body', 'Repository.get_revision_graph',
 
2124
             ('sinhala/', ''))],
 
2125
            client._calls)
 
2126
        self.assertEqual({r1: (), r2: (r1, )}, result)
 
2127
 
 
2128
    def test_specific_revision(self):
 
2129
        # with a specific revision we want the graph for that
 
2130
        # with none we want the entire graph
 
2131
        r11 = u'\u0e33'.encode('utf8')
 
2132
        r12 = u'\xc9'.encode('utf8')
 
2133
        r2 = u'\u0dab'.encode('utf8')
 
2134
        lines = [' '.join([r2, r11, r12]), r11, r12]
 
2135
        encoded_body = '\n'.join(lines)
 
2136
 
 
2137
        transport_path = 'sinhala'
 
2138
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
2139
        client.add_success_response_with_body(encoded_body, 'ok')
 
2140
        result = repo._get_revision_graph(r2)
 
2141
        self.assertEqual(
 
2142
            [('call_expecting_body', 'Repository.get_revision_graph',
 
2143
             ('sinhala/', r2))],
 
2144
            client._calls)
 
2145
        self.assertEqual({r11: (), r12: (), r2: (r11, r12), }, result)
 
2146
 
 
2147
    def test_no_such_revision(self):
 
2148
        revid = '123'
 
2149
        transport_path = 'sinhala'
 
2150
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
2151
        client.add_error_response('nosuchrevision', revid)
 
2152
        # also check that the right revision is reported in the error
 
2153
        self.assertRaises(errors.NoSuchRevision,
 
2154
            repo._get_revision_graph, revid)
 
2155
        self.assertEqual(
 
2156
            [('call_expecting_body', 'Repository.get_revision_graph',
 
2157
             ('sinhala/', revid))],
 
2158
            client._calls)
 
2159
 
 
2160
    def test_unexpected_error(self):
 
2161
        revid = '123'
 
2162
        transport_path = 'sinhala'
 
2163
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
2164
        client.add_error_response('AnUnexpectedError')
 
2165
        e = self.assertRaises(errors.UnknownErrorFromSmartServer,
 
2166
            repo._get_revision_graph, revid)
 
2167
        self.assertEqual(('AnUnexpectedError',), e.error_tuple)
 
2168
 
 
2169
 
 
2170
class TestRepositoryGetRevIdForRevno(TestRemoteRepository):
 
2171
 
 
2172
    def test_ok(self):
 
2173
        repo, client = self.setup_fake_client_and_repository('quack')
 
2174
        client.add_expected_call(
 
2175
            'Repository.get_rev_id_for_revno', ('quack/', 5, (42, 'rev-foo')),
 
2176
            'success', ('ok', 'rev-five'))
 
2177
        result = repo.get_rev_id_for_revno(5, (42, 'rev-foo'))
 
2178
        self.assertEqual((True, 'rev-five'), result)
 
2179
        self.assertFinished(client)
 
2180
 
 
2181
    def test_history_incomplete(self):
 
2182
        repo, client = self.setup_fake_client_and_repository('quack')
 
2183
        client.add_expected_call(
 
2184
            'Repository.get_rev_id_for_revno', ('quack/', 5, (42, 'rev-foo')),
 
2185
            'success', ('history-incomplete', 10, 'rev-ten'))
 
2186
        result = repo.get_rev_id_for_revno(5, (42, 'rev-foo'))
 
2187
        self.assertEqual((False, (10, 'rev-ten')), result)
 
2188
        self.assertFinished(client)
 
2189
 
 
2190
    def test_history_incomplete_with_fallback(self):
 
2191
        """A 'history-incomplete' response causes the fallback repository to be
 
2192
        queried too, if one is set.
 
2193
        """
 
2194
        # Make a repo with a fallback repo, both using a FakeClient.
 
2195
        format = remote.response_tuple_to_repo_format(
 
2196
            ('yes', 'no', 'yes', 'fake-network-name'))
 
2197
        repo, client = self.setup_fake_client_and_repository('quack')
 
2198
        repo._format = format
 
2199
        fallback_repo, ignored = self.setup_fake_client_and_repository(
 
2200
            'fallback')
 
2201
        fallback_repo._client = client
 
2202
        repo.add_fallback_repository(fallback_repo)
 
2203
        # First the client should ask the primary repo
 
2204
        client.add_expected_call(
 
2205
            'Repository.get_rev_id_for_revno', ('quack/', 1, (42, 'rev-foo')),
 
2206
            'success', ('history-incomplete', 2, 'rev-two'))
 
2207
        # Then it should ask the fallback, using revno/revid from the
 
2208
        # history-incomplete response as the known revno/revid.
 
2209
        client.add_expected_call(
 
2210
            'Repository.get_rev_id_for_revno',('fallback/', 1, (2, 'rev-two')),
 
2211
            'success', ('ok', 'rev-one'))
 
2212
        result = repo.get_rev_id_for_revno(1, (42, 'rev-foo'))
 
2213
        self.assertEqual((True, 'rev-one'), result)
 
2214
        self.assertFinished(client)
 
2215
 
 
2216
    def test_nosuchrevision(self):
 
2217
        # 'nosuchrevision' is returned when the known-revid is not found in the
 
2218
        # remote repo.  The client translates that response to NoSuchRevision.
 
2219
        repo, client = self.setup_fake_client_and_repository('quack')
 
2220
        client.add_expected_call(
 
2221
            'Repository.get_rev_id_for_revno', ('quack/', 5, (42, 'rev-foo')),
 
2222
            'error', ('nosuchrevision', 'rev-foo'))
 
2223
        self.assertRaises(
 
2224
            errors.NoSuchRevision,
 
2225
            repo.get_rev_id_for_revno, 5, (42, 'rev-foo'))
 
2226
        self.assertFinished(client)
 
2227
 
 
2228
    def test_branch_fallback_locking(self):
 
2229
        """RemoteBranch.get_rev_id takes a read lock, and tries to call the
 
2230
        get_rev_id_for_revno verb.  If the verb is unknown the VFS fallback
 
2231
        will be invoked, which will fail if the repo is unlocked.
 
2232
        """
 
2233
        self.setup_smart_server_with_call_log()
 
2234
        tree = self.make_branch_and_memory_tree('.')
 
2235
        tree.lock_write()
 
2236
        rev1 = tree.commit('First')
 
2237
        rev2 = tree.commit('Second')
 
2238
        tree.unlock()
 
2239
        branch = tree.branch
 
2240
        self.assertFalse(branch.is_locked())
 
2241
        self.reset_smart_call_log()
 
2242
        verb = 'Repository.get_rev_id_for_revno'
 
2243
        self.disable_verb(verb)
 
2244
        self.assertEqual(rev1, branch.get_rev_id(1))
 
2245
        self.assertLength(1, [call for call in self.hpss_calls if
 
2246
                              call.call.method == verb])
 
2247
 
 
2248
 
 
2249
class TestRepositoryIsShared(TestRemoteRepository):
 
2250
 
 
2251
    def test_is_shared(self):
 
2252
        # ('yes', ) for Repository.is_shared -> 'True'.
 
2253
        transport_path = 'quack'
 
2254
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
2255
        client.add_success_response('yes')
 
2256
        result = repo.is_shared()
 
2257
        self.assertEqual(
 
2258
            [('call', 'Repository.is_shared', ('quack/',))],
 
2259
            client._calls)
 
2260
        self.assertEqual(True, result)
 
2261
 
 
2262
    def test_is_not_shared(self):
 
2263
        # ('no', ) for Repository.is_shared -> 'False'.
 
2264
        transport_path = 'qwack'
 
2265
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
2266
        client.add_success_response('no')
 
2267
        result = repo.is_shared()
 
2268
        self.assertEqual(
 
2269
            [('call', 'Repository.is_shared', ('qwack/',))],
 
2270
            client._calls)
 
2271
        self.assertEqual(False, result)
 
2272
 
 
2273
 
 
2274
class TestRepositoryLockWrite(TestRemoteRepository):
 
2275
 
 
2276
    def test_lock_write(self):
 
2277
        transport_path = 'quack'
 
2278
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
2279
        client.add_success_response('ok', 'a token')
 
2280
        result = repo.lock_write()
 
2281
        self.assertEqual(
 
2282
            [('call', 'Repository.lock_write', ('quack/', ''))],
 
2283
            client._calls)
 
2284
        self.assertEqual('a token', result)
 
2285
 
 
2286
    def test_lock_write_already_locked(self):
 
2287
        transport_path = 'quack'
 
2288
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
2289
        client.add_error_response('LockContention')
 
2290
        self.assertRaises(errors.LockContention, repo.lock_write)
 
2291
        self.assertEqual(
 
2292
            [('call', 'Repository.lock_write', ('quack/', ''))],
 
2293
            client._calls)
 
2294
 
 
2295
    def test_lock_write_unlockable(self):
 
2296
        transport_path = 'quack'
 
2297
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
2298
        client.add_error_response('UnlockableTransport')
 
2299
        self.assertRaises(errors.UnlockableTransport, repo.lock_write)
 
2300
        self.assertEqual(
 
2301
            [('call', 'Repository.lock_write', ('quack/', ''))],
 
2302
            client._calls)
 
2303
 
 
2304
 
 
2305
class TestRepositorySetMakeWorkingTrees(TestRemoteRepository):
 
2306
 
 
2307
    def test_backwards_compat(self):
 
2308
        self.setup_smart_server_with_call_log()
 
2309
        repo = self.make_repository('.')
 
2310
        self.reset_smart_call_log()
 
2311
        verb = 'Repository.set_make_working_trees'
 
2312
        self.disable_verb(verb)
 
2313
        repo.set_make_working_trees(True)
 
2314
        call_count = len([call for call in self.hpss_calls if
 
2315
            call.call.method == verb])
 
2316
        self.assertEqual(1, call_count)
 
2317
 
 
2318
    def test_current(self):
 
2319
        transport_path = 'quack'
 
2320
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
2321
        client.add_expected_call(
 
2322
            'Repository.set_make_working_trees', ('quack/', 'True'),
 
2323
            'success', ('ok',))
 
2324
        client.add_expected_call(
 
2325
            'Repository.set_make_working_trees', ('quack/', 'False'),
 
2326
            'success', ('ok',))
 
2327
        repo.set_make_working_trees(True)
 
2328
        repo.set_make_working_trees(False)
 
2329
 
 
2330
 
 
2331
class TestRepositoryUnlock(TestRemoteRepository):
 
2332
 
 
2333
    def test_unlock(self):
 
2334
        transport_path = 'quack'
 
2335
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
2336
        client.add_success_response('ok', 'a token')
 
2337
        client.add_success_response('ok')
 
2338
        repo.lock_write()
 
2339
        repo.unlock()
 
2340
        self.assertEqual(
 
2341
            [('call', 'Repository.lock_write', ('quack/', '')),
 
2342
             ('call', 'Repository.unlock', ('quack/', 'a token'))],
 
2343
            client._calls)
 
2344
 
 
2345
    def test_unlock_wrong_token(self):
 
2346
        # If somehow the token is wrong, unlock will raise TokenMismatch.
 
2347
        transport_path = 'quack'
 
2348
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
2349
        client.add_success_response('ok', 'a token')
 
2350
        client.add_error_response('TokenMismatch')
 
2351
        repo.lock_write()
 
2352
        self.assertRaises(errors.TokenMismatch, repo.unlock)
 
2353
 
 
2354
 
 
2355
class TestRepositoryHasRevision(TestRemoteRepository):
 
2356
 
 
2357
    def test_none(self):
 
2358
        # repo.has_revision(None) should not cause any traffic.
 
2359
        transport_path = 'quack'
 
2360
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
2361
 
 
2362
        # The null revision is always there, so has_revision(None) == True.
 
2363
        self.assertEqual(True, repo.has_revision(NULL_REVISION))
 
2364
 
 
2365
        # The remote repo shouldn't be accessed.
 
2366
        self.assertEqual([], client._calls)
 
2367
 
 
2368
 
 
2369
class TestRepositoryInsertStreamBase(TestRemoteRepository):
 
2370
    """Base class for Repository.insert_stream and .insert_stream_1.19
 
2371
    tests.
 
2372
    """
 
2373
    
 
2374
    def checkInsertEmptyStream(self, repo, client):
 
2375
        """Insert an empty stream, checking the result.
 
2376
 
 
2377
        This checks that there are no resume_tokens or missing_keys, and that
 
2378
        the client is finished.
 
2379
        """
 
2380
        sink = repo._get_sink()
 
2381
        fmt = repository.RepositoryFormat.get_default_format()
 
2382
        resume_tokens, missing_keys = sink.insert_stream([], fmt, [])
 
2383
        self.assertEqual([], resume_tokens)
 
2384
        self.assertEqual(set(), missing_keys)
 
2385
        self.assertFinished(client)
 
2386
 
 
2387
 
 
2388
class TestRepositoryInsertStream(TestRepositoryInsertStreamBase):
 
2389
    """Tests for using Repository.insert_stream verb when the _1.19 variant is
 
2390
    not available.
 
2391
 
 
2392
    This test case is very similar to TestRepositoryInsertStream_1_19.
 
2393
    """
 
2394
 
 
2395
    def setUp(self):
 
2396
        TestRemoteRepository.setUp(self)
 
2397
        self.disable_verb('Repository.insert_stream_1.19')
 
2398
 
 
2399
    def test_unlocked_repo(self):
 
2400
        transport_path = 'quack'
 
2401
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
2402
        client.add_expected_call(
 
2403
            'Repository.insert_stream_1.19', ('quack/', ''),
 
2404
            'unknown', ('Repository.insert_stream_1.19',))
 
2405
        client.add_expected_call(
 
2406
            'Repository.insert_stream', ('quack/', ''),
 
2407
            'success', ('ok',))
 
2408
        client.add_expected_call(
 
2409
            'Repository.insert_stream', ('quack/', ''),
 
2410
            'success', ('ok',))
 
2411
        self.checkInsertEmptyStream(repo, client)
 
2412
 
 
2413
    def test_locked_repo_with_no_lock_token(self):
 
2414
        transport_path = 'quack'
 
2415
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
2416
        client.add_expected_call(
 
2417
            'Repository.lock_write', ('quack/', ''),
 
2418
            'success', ('ok', ''))
 
2419
        client.add_expected_call(
 
2420
            'Repository.insert_stream_1.19', ('quack/', ''),
 
2421
            'unknown', ('Repository.insert_stream_1.19',))
 
2422
        client.add_expected_call(
 
2423
            'Repository.insert_stream', ('quack/', ''),
 
2424
            'success', ('ok',))
 
2425
        client.add_expected_call(
 
2426
            'Repository.insert_stream', ('quack/', ''),
 
2427
            'success', ('ok',))
 
2428
        repo.lock_write()
 
2429
        self.checkInsertEmptyStream(repo, client)
 
2430
 
 
2431
    def test_locked_repo_with_lock_token(self):
 
2432
        transport_path = 'quack'
 
2433
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
2434
        client.add_expected_call(
 
2435
            'Repository.lock_write', ('quack/', ''),
 
2436
            'success', ('ok', 'a token'))
 
2437
        client.add_expected_call(
 
2438
            'Repository.insert_stream_1.19', ('quack/', '', 'a token'),
 
2439
            'unknown', ('Repository.insert_stream_1.19',))
 
2440
        client.add_expected_call(
 
2441
            'Repository.insert_stream_locked', ('quack/', '', 'a token'),
 
2442
            'success', ('ok',))
 
2443
        client.add_expected_call(
 
2444
            'Repository.insert_stream_locked', ('quack/', '', 'a token'),
 
2445
            'success', ('ok',))
 
2446
        repo.lock_write()
 
2447
        self.checkInsertEmptyStream(repo, client)
 
2448
 
 
2449
    def test_stream_with_inventory_deltas(self):
 
2450
        """'inventory-deltas' substreams cannot be sent to the
 
2451
        Repository.insert_stream verb, because not all servers that implement
 
2452
        that verb will accept them.  So when one is encountered the RemoteSink
 
2453
        immediately stops using that verb and falls back to VFS insert_stream.
 
2454
        """
 
2455
        transport_path = 'quack'
 
2456
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
2457
        client.add_expected_call(
 
2458
            'Repository.insert_stream_1.19', ('quack/', ''),
 
2459
            'unknown', ('Repository.insert_stream_1.19',))
 
2460
        client.add_expected_call(
 
2461
            'Repository.insert_stream', ('quack/', ''),
 
2462
            'success', ('ok',))
 
2463
        client.add_expected_call(
 
2464
            'Repository.insert_stream', ('quack/', ''),
 
2465
            'success', ('ok',))
 
2466
        # Create a fake real repository for insert_stream to fall back on, so
 
2467
        # that we can directly see the records the RemoteSink passes to the
 
2468
        # real sink.
 
2469
        class FakeRealSink:
 
2470
            def __init__(self):
 
2471
                self.records = []
 
2472
            def insert_stream(self, stream, src_format, resume_tokens):
 
2473
                for substream_kind, substream in stream:
 
2474
                    self.records.append(
 
2475
                        (substream_kind, [record.key for record in substream]))
 
2476
                return ['fake tokens'], ['fake missing keys']
 
2477
        fake_real_sink = FakeRealSink()
 
2478
        class FakeRealRepository:
 
2479
            def _get_sink(self):
 
2480
                return fake_real_sink
 
2481
            def is_in_write_group(self):
 
2482
                return False
 
2483
            def refresh_data(self):
 
2484
                return True
 
2485
        repo._real_repository = FakeRealRepository()
 
2486
        sink = repo._get_sink()
 
2487
        fmt = repository.RepositoryFormat.get_default_format()
 
2488
        stream = self.make_stream_with_inv_deltas(fmt)
 
2489
        resume_tokens, missing_keys = sink.insert_stream(stream, fmt, [])
 
2490
        # Every record from the first inventory delta should have been sent to
 
2491
        # the VFS sink.
 
2492
        expected_records = [
 
2493
            ('inventory-deltas', [('rev2',), ('rev3',)]),
 
2494
            ('texts', [('some-rev', 'some-file')])]
 
2495
        self.assertEqual(expected_records, fake_real_sink.records)
 
2496
        # The return values from the real sink's insert_stream are propagated
 
2497
        # back to the original caller.
 
2498
        self.assertEqual(['fake tokens'], resume_tokens)
 
2499
        self.assertEqual(['fake missing keys'], missing_keys)
 
2500
        self.assertFinished(client)
 
2501
 
 
2502
    def make_stream_with_inv_deltas(self, fmt):
 
2503
        """Make a simple stream with an inventory delta followed by more
 
2504
        records and more substreams to test that all records and substreams
 
2505
        from that point on are used.
 
2506
 
 
2507
        This sends, in order:
 
2508
           * inventories substream: rev1, rev2, rev3.  rev2 and rev3 are
 
2509
             inventory-deltas.
 
2510
           * texts substream: (some-rev, some-file)
 
2511
        """
 
2512
        # Define a stream using generators so that it isn't rewindable.
 
2513
        inv = inventory.Inventory(revision_id='rev1')
 
2514
        inv.root.revision = 'rev1'
 
2515
        def stream_with_inv_delta():
 
2516
            yield ('inventories', inventories_substream())
 
2517
            yield ('inventory-deltas', inventory_delta_substream())
 
2518
            yield ('texts', [
 
2519
                versionedfile.FulltextContentFactory(
 
2520
                    ('some-rev', 'some-file'), (), None, 'content')])
 
2521
        def inventories_substream():
 
2522
            # An empty inventory fulltext.  This will be streamed normally.
 
2523
            text = fmt._serializer.write_inventory_to_string(inv)
 
2524
            yield versionedfile.FulltextContentFactory(
 
2525
                ('rev1',), (), None, text)
 
2526
        def inventory_delta_substream():
 
2527
            # An inventory delta.  This can't be streamed via this verb, so it
 
2528
            # will trigger a fallback to VFS insert_stream.
 
2529
            entry = inv.make_entry(
 
2530
                'directory', 'newdir', inv.root.file_id, 'newdir-id')
 
2531
            entry.revision = 'ghost'
 
2532
            delta = [(None, 'newdir', 'newdir-id', entry)]
 
2533
            serializer = inventory_delta.InventoryDeltaSerializer(
 
2534
                versioned_root=True, tree_references=False)
 
2535
            lines = serializer.delta_to_lines('rev1', 'rev2', delta)
 
2536
            yield versionedfile.ChunkedContentFactory(
 
2537
                ('rev2',), (('rev1',)), None, lines)
 
2538
            # Another delta.
 
2539
            lines = serializer.delta_to_lines('rev1', 'rev3', delta)
 
2540
            yield versionedfile.ChunkedContentFactory(
 
2541
                ('rev3',), (('rev1',)), None, lines)
 
2542
        return stream_with_inv_delta()
 
2543
 
 
2544
 
 
2545
class TestRepositoryInsertStream_1_19(TestRepositoryInsertStreamBase):
 
2546
 
 
2547
    def test_unlocked_repo(self):
 
2548
        transport_path = 'quack'
 
2549
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
2550
        client.add_expected_call(
 
2551
            'Repository.insert_stream_1.19', ('quack/', ''),
 
2552
            'success', ('ok',))
 
2553
        client.add_expected_call(
 
2554
            'Repository.insert_stream_1.19', ('quack/', ''),
 
2555
            'success', ('ok',))
 
2556
        self.checkInsertEmptyStream(repo, client)
 
2557
 
 
2558
    def test_locked_repo_with_no_lock_token(self):
 
2559
        transport_path = 'quack'
 
2560
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
2561
        client.add_expected_call(
 
2562
            'Repository.lock_write', ('quack/', ''),
 
2563
            'success', ('ok', ''))
 
2564
        client.add_expected_call(
 
2565
            'Repository.insert_stream_1.19', ('quack/', ''),
 
2566
            'success', ('ok',))
 
2567
        client.add_expected_call(
 
2568
            'Repository.insert_stream_1.19', ('quack/', ''),
 
2569
            'success', ('ok',))
 
2570
        repo.lock_write()
 
2571
        self.checkInsertEmptyStream(repo, client)
 
2572
 
 
2573
    def test_locked_repo_with_lock_token(self):
 
2574
        transport_path = 'quack'
 
2575
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
2576
        client.add_expected_call(
 
2577
            'Repository.lock_write', ('quack/', ''),
 
2578
            'success', ('ok', 'a token'))
 
2579
        client.add_expected_call(
 
2580
            'Repository.insert_stream_1.19', ('quack/', '', 'a token'),
 
2581
            'success', ('ok',))
 
2582
        client.add_expected_call(
 
2583
            'Repository.insert_stream_1.19', ('quack/', '', 'a token'),
 
2584
            'success', ('ok',))
 
2585
        repo.lock_write()
 
2586
        self.checkInsertEmptyStream(repo, client)
 
2587
 
 
2588
 
 
2589
class TestRepositoryTarball(TestRemoteRepository):
 
2590
 
 
2591
    # This is a canned tarball reponse we can validate against
 
2592
    tarball_content = (
 
2593
        'QlpoOTFBWSZTWdGkj3wAAWF/k8aQACBIB//A9+8cIX/v33AACEAYABAECEACNz'
 
2594
        'JqsgJJFPTSnk1A3qh6mTQAAAANPUHkagkSTEkaA09QaNAAAGgAAAcwCYCZGAEY'
 
2595
        'mJhMJghpiaYBUkKammSHqNMZQ0NABkNAeo0AGneAevnlwQoGzEzNVzaYxp/1Uk'
 
2596
        'xXzA1CQX0BJMZZLcPBrluJir5SQyijWHYZ6ZUtVqqlYDdB2QoCwa9GyWwGYDMA'
 
2597
        'OQYhkpLt/OKFnnlT8E0PmO8+ZNSo2WWqeCzGB5fBXZ3IvV7uNJVE7DYnWj6qwB'
 
2598
        'k5DJDIrQ5OQHHIjkS9KqwG3mc3t+F1+iujb89ufyBNIKCgeZBWrl5cXxbMGoMs'
 
2599
        'c9JuUkg5YsiVcaZJurc6KLi6yKOkgCUOlIlOpOoXyrTJjK8ZgbklReDdwGmFgt'
 
2600
        'dkVsAIslSVCd4AtACSLbyhLHryfb14PKegrVDba+U8OL6KQtzdM5HLjAc8/p6n'
 
2601
        '0lgaWU8skgO7xupPTkyuwheSckejFLK5T4ZOo0Gda9viaIhpD1Qn7JqqlKAJqC'
 
2602
        'QplPKp2nqBWAfwBGaOwVrz3y1T+UZZNismXHsb2Jq18T+VaD9k4P8DqE3g70qV'
 
2603
        'JLurpnDI6VS5oqDDPVbtVjMxMxMg4rzQVipn2Bv1fVNK0iq3Gl0hhnnHKm/egy'
 
2604
        'nWQ7QH/F3JFOFCQ0aSPfA='
 
2605
        ).decode('base64')
 
2606
 
 
2607
    def test_repository_tarball(self):
 
2608
        # Test that Repository.tarball generates the right operations
 
2609
        transport_path = 'repo'
 
2610
        expected_calls = [('call_expecting_body', 'Repository.tarball',
 
2611
                           ('repo/', 'bz2',),),
 
2612
            ]
 
2613
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
2614
        client.add_success_response_with_body(self.tarball_content, 'ok')
 
2615
        # Now actually ask for the tarball
 
2616
        tarball_file = repo._get_tarball('bz2')
 
2617
        try:
 
2618
            self.assertEqual(expected_calls, client._calls)
 
2619
            self.assertEqual(self.tarball_content, tarball_file.read())
 
2620
        finally:
 
2621
            tarball_file.close()
 
2622
 
 
2623
 
 
2624
class TestRemoteRepositoryCopyContent(tests.TestCaseWithTransport):
 
2625
    """RemoteRepository.copy_content_into optimizations"""
 
2626
 
 
2627
    def test_copy_content_remote_to_local(self):
 
2628
        self.transport_server = server.SmartTCPServer_for_testing
 
2629
        src_repo = self.make_repository('repo1')
 
2630
        src_repo = repository.Repository.open(self.get_url('repo1'))
 
2631
        # At the moment the tarball-based copy_content_into can't write back
 
2632
        # into a smart server.  It would be good if it could upload the
 
2633
        # tarball; once that works we'd have to create repositories of
 
2634
        # different formats. -- mbp 20070410
 
2635
        dest_url = self.get_vfs_only_url('repo2')
 
2636
        dest_bzrdir = BzrDir.create(dest_url)
 
2637
        dest_repo = dest_bzrdir.create_repository()
 
2638
        self.assertFalse(isinstance(dest_repo, RemoteRepository))
 
2639
        self.assertTrue(isinstance(src_repo, RemoteRepository))
 
2640
        src_repo.copy_content_into(dest_repo)
 
2641
 
 
2642
 
 
2643
class _StubRealPackRepository(object):
 
2644
 
 
2645
    def __init__(self, calls):
 
2646
        self.calls = calls
 
2647
        self._pack_collection = _StubPackCollection(calls)
 
2648
 
 
2649
    def is_in_write_group(self):
 
2650
        return False
 
2651
 
 
2652
    def refresh_data(self):
 
2653
        self.calls.append(('pack collection reload_pack_names',))
 
2654
 
 
2655
 
 
2656
class _StubPackCollection(object):
 
2657
 
 
2658
    def __init__(self, calls):
 
2659
        self.calls = calls
 
2660
 
 
2661
    def autopack(self):
 
2662
        self.calls.append(('pack collection autopack',))
 
2663
 
 
2664
 
 
2665
class TestRemotePackRepositoryAutoPack(TestRemoteRepository):
 
2666
    """Tests for RemoteRepository.autopack implementation."""
 
2667
 
 
2668
    def test_ok(self):
 
2669
        """When the server returns 'ok' and there's no _real_repository, then
 
2670
        nothing else happens: the autopack method is done.
 
2671
        """
 
2672
        transport_path = 'quack'
 
2673
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
2674
        client.add_expected_call(
 
2675
            'PackRepository.autopack', ('quack/',), 'success', ('ok',))
 
2676
        repo.autopack()
 
2677
        self.assertFinished(client)
 
2678
 
 
2679
    def test_ok_with_real_repo(self):
 
2680
        """When the server returns 'ok' and there is a _real_repository, then
 
2681
        the _real_repository's reload_pack_name's method will be called.
 
2682
        """
 
2683
        transport_path = 'quack'
 
2684
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
2685
        client.add_expected_call(
 
2686
            'PackRepository.autopack', ('quack/',),
 
2687
            'success', ('ok',))
 
2688
        repo._real_repository = _StubRealPackRepository(client._calls)
 
2689
        repo.autopack()
 
2690
        self.assertEqual(
 
2691
            [('call', 'PackRepository.autopack', ('quack/',)),
 
2692
             ('pack collection reload_pack_names',)],
 
2693
            client._calls)
 
2694
 
 
2695
    def test_backwards_compatibility(self):
 
2696
        """If the server does not recognise the PackRepository.autopack verb,
 
2697
        fallback to the real_repository's implementation.
 
2698
        """
 
2699
        transport_path = 'quack'
 
2700
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
2701
        client.add_unknown_method_response('PackRepository.autopack')
 
2702
        def stub_ensure_real():
 
2703
            client._calls.append(('_ensure_real',))
 
2704
            repo._real_repository = _StubRealPackRepository(client._calls)
 
2705
        repo._ensure_real = stub_ensure_real
 
2706
        repo.autopack()
 
2707
        self.assertEqual(
 
2708
            [('call', 'PackRepository.autopack', ('quack/',)),
 
2709
             ('_ensure_real',),
 
2710
             ('pack collection autopack',)],
 
2711
            client._calls)
 
2712
 
 
2713
 
 
2714
class TestErrorTranslationBase(tests.TestCaseWithMemoryTransport):
 
2715
    """Base class for unit tests for bzrlib.remote._translate_error."""
 
2716
 
 
2717
    def translateTuple(self, error_tuple, **context):
 
2718
        """Call _translate_error with an ErrorFromSmartServer built from the
 
2719
        given error_tuple.
 
2720
 
 
2721
        :param error_tuple: A tuple of a smart server response, as would be
 
2722
            passed to an ErrorFromSmartServer.
 
2723
        :kwargs context: context items to call _translate_error with.
 
2724
 
 
2725
        :returns: The error raised by _translate_error.
 
2726
        """
 
2727
        # Raise the ErrorFromSmartServer before passing it as an argument,
 
2728
        # because _translate_error may need to re-raise it with a bare 'raise'
 
2729
        # statement.
 
2730
        server_error = errors.ErrorFromSmartServer(error_tuple)
 
2731
        translated_error = self.translateErrorFromSmartServer(
 
2732
            server_error, **context)
 
2733
        return translated_error
 
2734
 
 
2735
    def translateErrorFromSmartServer(self, error_object, **context):
 
2736
        """Like translateTuple, but takes an already constructed
 
2737
        ErrorFromSmartServer rather than a tuple.
 
2738
        """
 
2739
        try:
 
2740
            raise error_object
 
2741
        except errors.ErrorFromSmartServer, server_error:
 
2742
            translated_error = self.assertRaises(
 
2743
                errors.BzrError, remote._translate_error, server_error,
 
2744
                **context)
 
2745
        return translated_error
 
2746
 
 
2747
 
 
2748
class TestErrorTranslationSuccess(TestErrorTranslationBase):
 
2749
    """Unit tests for bzrlib.remote._translate_error.
 
2750
 
 
2751
    Given an ErrorFromSmartServer (which has an error tuple from a smart
 
2752
    server) and some context, _translate_error raises more specific errors from
 
2753
    bzrlib.errors.
 
2754
 
 
2755
    This test case covers the cases where _translate_error succeeds in
 
2756
    translating an ErrorFromSmartServer to something better.  See
 
2757
    TestErrorTranslationRobustness for other cases.
 
2758
    """
 
2759
 
 
2760
    def test_NoSuchRevision(self):
 
2761
        branch = self.make_branch('')
 
2762
        revid = 'revid'
 
2763
        translated_error = self.translateTuple(
 
2764
            ('NoSuchRevision', revid), branch=branch)
 
2765
        expected_error = errors.NoSuchRevision(branch, revid)
 
2766
        self.assertEqual(expected_error, translated_error)
 
2767
 
 
2768
    def test_nosuchrevision(self):
 
2769
        repository = self.make_repository('')
 
2770
        revid = 'revid'
 
2771
        translated_error = self.translateTuple(
 
2772
            ('nosuchrevision', revid), repository=repository)
 
2773
        expected_error = errors.NoSuchRevision(repository, revid)
 
2774
        self.assertEqual(expected_error, translated_error)
 
2775
 
 
2776
    def test_nobranch(self):
 
2777
        bzrdir = self.make_bzrdir('')
 
2778
        translated_error = self.translateTuple(('nobranch',), bzrdir=bzrdir)
 
2779
        expected_error = errors.NotBranchError(path=bzrdir.root_transport.base)
 
2780
        self.assertEqual(expected_error, translated_error)
 
2781
 
 
2782
    def test_nobranch_one_arg(self):
 
2783
        bzrdir = self.make_bzrdir('')
 
2784
        translated_error = self.translateTuple(
 
2785
            ('nobranch', 'extra detail'), bzrdir=bzrdir)
 
2786
        expected_error = errors.NotBranchError(
 
2787
            path=bzrdir.root_transport.base,
 
2788
            detail='extra detail')
 
2789
        self.assertEqual(expected_error, translated_error)
 
2790
 
 
2791
    def test_LockContention(self):
 
2792
        translated_error = self.translateTuple(('LockContention',))
 
2793
        expected_error = errors.LockContention('(remote lock)')
 
2794
        self.assertEqual(expected_error, translated_error)
 
2795
 
 
2796
    def test_UnlockableTransport(self):
 
2797
        bzrdir = self.make_bzrdir('')
 
2798
        translated_error = self.translateTuple(
 
2799
            ('UnlockableTransport',), bzrdir=bzrdir)
 
2800
        expected_error = errors.UnlockableTransport(bzrdir.root_transport)
 
2801
        self.assertEqual(expected_error, translated_error)
 
2802
 
 
2803
    def test_LockFailed(self):
 
2804
        lock = 'str() of a server lock'
 
2805
        why = 'str() of why'
 
2806
        translated_error = self.translateTuple(('LockFailed', lock, why))
 
2807
        expected_error = errors.LockFailed(lock, why)
 
2808
        self.assertEqual(expected_error, translated_error)
 
2809
 
 
2810
    def test_TokenMismatch(self):
 
2811
        token = 'a lock token'
 
2812
        translated_error = self.translateTuple(('TokenMismatch',), token=token)
 
2813
        expected_error = errors.TokenMismatch(token, '(remote token)')
 
2814
        self.assertEqual(expected_error, translated_error)
 
2815
 
 
2816
    def test_Diverged(self):
 
2817
        branch = self.make_branch('a')
 
2818
        other_branch = self.make_branch('b')
 
2819
        translated_error = self.translateTuple(
 
2820
            ('Diverged',), branch=branch, other_branch=other_branch)
 
2821
        expected_error = errors.DivergedBranches(branch, other_branch)
 
2822
        self.assertEqual(expected_error, translated_error)
 
2823
 
 
2824
    def test_ReadError_no_args(self):
 
2825
        path = 'a path'
 
2826
        translated_error = self.translateTuple(('ReadError',), path=path)
 
2827
        expected_error = errors.ReadError(path)
 
2828
        self.assertEqual(expected_error, translated_error)
 
2829
 
 
2830
    def test_ReadError(self):
 
2831
        path = 'a path'
 
2832
        translated_error = self.translateTuple(('ReadError', path))
 
2833
        expected_error = errors.ReadError(path)
 
2834
        self.assertEqual(expected_error, translated_error)
 
2835
 
 
2836
    def test_IncompatibleRepositories(self):
 
2837
        translated_error = self.translateTuple(('IncompatibleRepositories',
 
2838
            "repo1", "repo2", "details here"))
 
2839
        expected_error = errors.IncompatibleRepositories("repo1", "repo2",
 
2840
            "details here")
 
2841
        self.assertEqual(expected_error, translated_error)
 
2842
 
 
2843
    def test_PermissionDenied_no_args(self):
 
2844
        path = 'a path'
 
2845
        translated_error = self.translateTuple(('PermissionDenied',), path=path)
 
2846
        expected_error = errors.PermissionDenied(path)
 
2847
        self.assertEqual(expected_error, translated_error)
 
2848
 
 
2849
    def test_PermissionDenied_one_arg(self):
 
2850
        path = 'a path'
 
2851
        translated_error = self.translateTuple(('PermissionDenied', path))
 
2852
        expected_error = errors.PermissionDenied(path)
 
2853
        self.assertEqual(expected_error, translated_error)
 
2854
 
 
2855
    def test_PermissionDenied_one_arg_and_context(self):
 
2856
        """Given a choice between a path from the local context and a path on
 
2857
        the wire, _translate_error prefers the path from the local context.
 
2858
        """
 
2859
        local_path = 'local path'
 
2860
        remote_path = 'remote path'
 
2861
        translated_error = self.translateTuple(
 
2862
            ('PermissionDenied', remote_path), path=local_path)
 
2863
        expected_error = errors.PermissionDenied(local_path)
 
2864
        self.assertEqual(expected_error, translated_error)
 
2865
 
 
2866
    def test_PermissionDenied_two_args(self):
 
2867
        path = 'a path'
 
2868
        extra = 'a string with extra info'
 
2869
        translated_error = self.translateTuple(
 
2870
            ('PermissionDenied', path, extra))
 
2871
        expected_error = errors.PermissionDenied(path, extra)
 
2872
        self.assertEqual(expected_error, translated_error)
 
2873
 
 
2874
 
 
2875
class TestErrorTranslationRobustness(TestErrorTranslationBase):
 
2876
    """Unit tests for bzrlib.remote._translate_error's robustness.
 
2877
 
 
2878
    TestErrorTranslationSuccess is for cases where _translate_error can
 
2879
    translate successfully.  This class about how _translate_err behaves when
 
2880
    it fails to translate: it re-raises the original error.
 
2881
    """
 
2882
 
 
2883
    def test_unrecognised_server_error(self):
 
2884
        """If the error code from the server is not recognised, the original
 
2885
        ErrorFromSmartServer is propagated unmodified.
 
2886
        """
 
2887
        error_tuple = ('An unknown error tuple',)
 
2888
        server_error = errors.ErrorFromSmartServer(error_tuple)
 
2889
        translated_error = self.translateErrorFromSmartServer(server_error)
 
2890
        expected_error = errors.UnknownErrorFromSmartServer(server_error)
 
2891
        self.assertEqual(expected_error, translated_error)
 
2892
 
 
2893
    def test_context_missing_a_key(self):
 
2894
        """In case of a bug in the client, or perhaps an unexpected response
 
2895
        from a server, _translate_error returns the original error tuple from
 
2896
        the server and mutters a warning.
 
2897
        """
 
2898
        # To translate a NoSuchRevision error _translate_error needs a 'branch'
 
2899
        # in the context dict.  So let's give it an empty context dict instead
 
2900
        # to exercise its error recovery.
 
2901
        empty_context = {}
 
2902
        error_tuple = ('NoSuchRevision', 'revid')
 
2903
        server_error = errors.ErrorFromSmartServer(error_tuple)
 
2904
        translated_error = self.translateErrorFromSmartServer(server_error)
 
2905
        self.assertEqual(server_error, translated_error)
 
2906
        # In addition to re-raising ErrorFromSmartServer, some debug info has
 
2907
        # been muttered to the log file for developer to look at.
 
2908
        self.assertContainsRe(
 
2909
            self.get_log(),
 
2910
            "Missing key 'branch' in context")
 
2911
 
 
2912
    def test_path_missing(self):
 
2913
        """Some translations (PermissionDenied, ReadError) can determine the
 
2914
        'path' variable from either the wire or the local context.  If neither
 
2915
        has it, then an error is raised.
 
2916
        """
 
2917
        error_tuple = ('ReadError',)
 
2918
        server_error = errors.ErrorFromSmartServer(error_tuple)
 
2919
        translated_error = self.translateErrorFromSmartServer(server_error)
 
2920
        self.assertEqual(server_error, translated_error)
 
2921
        # In addition to re-raising ErrorFromSmartServer, some debug info has
 
2922
        # been muttered to the log file for developer to look at.
 
2923
        self.assertContainsRe(self.get_log(), "Missing key 'path' in context")
 
2924
 
 
2925
 
 
2926
class TestStacking(tests.TestCaseWithTransport):
 
2927
    """Tests for operations on stacked remote repositories.
 
2928
 
 
2929
    The underlying format type must support stacking.
 
2930
    """
 
2931
 
 
2932
    def test_access_stacked_remote(self):
 
2933
        # based on <http://launchpad.net/bugs/261315>
 
2934
        # make a branch stacked on another repository containing an empty
 
2935
        # revision, then open it over hpss - we should be able to see that
 
2936
        # revision.
 
2937
        base_transport = self.get_transport()
 
2938
        base_builder = self.make_branch_builder('base', format='1.9')
 
2939
        base_builder.start_series()
 
2940
        base_revid = base_builder.build_snapshot('rev-id', None,
 
2941
            [('add', ('', None, 'directory', None))],
 
2942
            'message')
 
2943
        base_builder.finish_series()
 
2944
        stacked_branch = self.make_branch('stacked', format='1.9')
 
2945
        stacked_branch.set_stacked_on_url('../base')
 
2946
        # start a server looking at this
 
2947
        smart_server = server.SmartTCPServer_for_testing()
 
2948
        self.start_server(smart_server)
 
2949
        remote_bzrdir = BzrDir.open(smart_server.get_url() + '/stacked')
 
2950
        # can get its branch and repository
 
2951
        remote_branch = remote_bzrdir.open_branch()
 
2952
        remote_repo = remote_branch.repository
 
2953
        remote_repo.lock_read()
 
2954
        try:
 
2955
            # it should have an appropriate fallback repository, which should also
 
2956
            # be a RemoteRepository
 
2957
            self.assertLength(1, remote_repo._fallback_repositories)
 
2958
            self.assertIsInstance(remote_repo._fallback_repositories[0],
 
2959
                RemoteRepository)
 
2960
            # and it has the revision committed to the underlying repository;
 
2961
            # these have varying implementations so we try several of them
 
2962
            self.assertTrue(remote_repo.has_revisions([base_revid]))
 
2963
            self.assertTrue(remote_repo.has_revision(base_revid))
 
2964
            self.assertEqual(remote_repo.get_revision(base_revid).message,
 
2965
                'message')
 
2966
        finally:
 
2967
            remote_repo.unlock()
 
2968
 
 
2969
    def prepare_stacked_remote_branch(self):
 
2970
        """Get stacked_upon and stacked branches with content in each."""
 
2971
        self.setup_smart_server_with_call_log()
 
2972
        tree1 = self.make_branch_and_tree('tree1', format='1.9')
 
2973
        tree1.commit('rev1', rev_id='rev1')
 
2974
        tree2 = tree1.branch.bzrdir.sprout('tree2', stacked=True
 
2975
            ).open_workingtree()
 
2976
        local_tree = tree2.branch.create_checkout('local')
 
2977
        local_tree.commit('local changes make me feel good.')
 
2978
        branch2 = Branch.open(self.get_url('tree2'))
 
2979
        branch2.lock_read()
 
2980
        self.addCleanup(branch2.unlock)
 
2981
        return tree1.branch, branch2
 
2982
 
 
2983
    def test_stacked_get_parent_map(self):
 
2984
        # the public implementation of get_parent_map obeys stacking
 
2985
        _, branch = self.prepare_stacked_remote_branch()
 
2986
        repo = branch.repository
 
2987
        self.assertEqual(['rev1'], repo.get_parent_map(['rev1']).keys())
 
2988
 
 
2989
    def test_unstacked_get_parent_map(self):
 
2990
        # _unstacked_provider.get_parent_map ignores stacking
 
2991
        _, branch = self.prepare_stacked_remote_branch()
 
2992
        provider = branch.repository._unstacked_provider
 
2993
        self.assertEqual([], provider.get_parent_map(['rev1']).keys())
 
2994
 
 
2995
    def fetch_stream_to_rev_order(self, stream):
 
2996
        result = []
 
2997
        for kind, substream in stream:
 
2998
            if not kind == 'revisions':
 
2999
                list(substream)
 
3000
            else:
 
3001
                for content in substream:
 
3002
                    result.append(content.key[-1])
 
3003
        return result
 
3004
 
 
3005
    def get_ordered_revs(self, format, order, branch_factory=None):
 
3006
        """Get a list of the revisions in a stream to format format.
 
3007
 
 
3008
        :param format: The format of the target.
 
3009
        :param order: the order that target should have requested.
 
3010
        :param branch_factory: A callable to create a trunk and stacked branch
 
3011
            to fetch from. If none, self.prepare_stacked_remote_branch is used.
 
3012
        :result: The revision ids in the stream, in the order seen,
 
3013
            the topological order of revisions in the source.
 
3014
        """
 
3015
        unordered_format = bzrdir.format_registry.get(format)()
 
3016
        target_repository_format = unordered_format.repository_format
 
3017
        # Cross check
 
3018
        self.assertEqual(order, target_repository_format._fetch_order)
 
3019
        if branch_factory is None:
 
3020
            branch_factory = self.prepare_stacked_remote_branch
 
3021
        _, stacked = branch_factory()
 
3022
        source = stacked.repository._get_source(target_repository_format)
 
3023
        tip = stacked.last_revision()
 
3024
        revs = stacked.repository.get_ancestry(tip)
 
3025
        search = graph.PendingAncestryResult([tip], stacked.repository)
 
3026
        self.reset_smart_call_log()
 
3027
        stream = source.get_stream(search)
 
3028
        if None in revs:
 
3029
            revs.remove(None)
 
3030
        # We trust that if a revision is in the stream the rest of the new
 
3031
        # content for it is too, as per our main fetch tests; here we are
 
3032
        # checking that the revisions are actually included at all, and their
 
3033
        # order.
 
3034
        return self.fetch_stream_to_rev_order(stream), revs
 
3035
 
 
3036
    def test_stacked_get_stream_unordered(self):
 
3037
        # Repository._get_source.get_stream() from a stacked repository with
 
3038
        # unordered yields the full data from both stacked and stacked upon
 
3039
        # sources.
 
3040
        rev_ord, expected_revs = self.get_ordered_revs('1.9', 'unordered')
 
3041
        self.assertEqual(set(expected_revs), set(rev_ord))
 
3042
        # Getting unordered results should have made a streaming data request
 
3043
        # from the server, then one from the backing branch.
 
3044
        self.assertLength(2, self.hpss_calls)
 
3045
 
 
3046
    def test_stacked_on_stacked_get_stream_unordered(self):
 
3047
        # Repository._get_source.get_stream() from a stacked repository which
 
3048
        # is itself stacked yields the full data from all three sources.
 
3049
        def make_stacked_stacked():
 
3050
            _, stacked = self.prepare_stacked_remote_branch()
 
3051
            tree = stacked.bzrdir.sprout('tree3', stacked=True
 
3052
                ).open_workingtree()
 
3053
            local_tree = tree.branch.create_checkout('local-tree3')
 
3054
            local_tree.commit('more local changes are better')
 
3055
            branch = Branch.open(self.get_url('tree3'))
 
3056
            branch.lock_read()
 
3057
            self.addCleanup(branch.unlock)
 
3058
            return None, branch
 
3059
        rev_ord, expected_revs = self.get_ordered_revs('1.9', 'unordered',
 
3060
            branch_factory=make_stacked_stacked)
 
3061
        self.assertEqual(set(expected_revs), set(rev_ord))
 
3062
        # Getting unordered results should have made a streaming data request
 
3063
        # from the server, and one from each backing repo
 
3064
        self.assertLength(3, self.hpss_calls)
 
3065
 
 
3066
    def test_stacked_get_stream_topological(self):
 
3067
        # Repository._get_source.get_stream() from a stacked repository with
 
3068
        # topological sorting yields the full data from both stacked and
 
3069
        # stacked upon sources in topological order.
 
3070
        rev_ord, expected_revs = self.get_ordered_revs('knit', 'topological')
 
3071
        self.assertEqual(expected_revs, rev_ord)
 
3072
        # Getting topological sort requires VFS calls still - one of which is
 
3073
        # pushing up from the bound branch.
 
3074
        self.assertLength(13, self.hpss_calls)
 
3075
 
 
3076
    def test_stacked_get_stream_groupcompress(self):
 
3077
        # Repository._get_source.get_stream() from a stacked repository with
 
3078
        # groupcompress sorting yields the full data from both stacked and
 
3079
        # stacked upon sources in groupcompress order.
 
3080
        raise tests.TestSkipped('No groupcompress ordered format available')
 
3081
        rev_ord, expected_revs = self.get_ordered_revs('dev5', 'groupcompress')
 
3082
        self.assertEqual(expected_revs, reversed(rev_ord))
 
3083
        # Getting unordered results should have made a streaming data request
 
3084
        # from the backing branch, and one from the stacked on branch.
 
3085
        self.assertLength(2, self.hpss_calls)
 
3086
 
 
3087
    def test_stacked_pull_more_than_stacking_has_bug_360791(self):
 
3088
        # When pulling some fixed amount of content that is more than the
 
3089
        # source has (because some is coming from a fallback branch, no error
 
3090
        # should be received. This was reported as bug 360791.
 
3091
        # Need three branches: a trunk, a stacked branch, and a preexisting
 
3092
        # branch pulling content from stacked and trunk.
 
3093
        self.setup_smart_server_with_call_log()
 
3094
        trunk = self.make_branch_and_tree('trunk', format="1.9-rich-root")
 
3095
        r1 = trunk.commit('start')
 
3096
        stacked_branch = trunk.branch.create_clone_on_transport(
 
3097
            self.get_transport('stacked'), stacked_on=trunk.branch.base)
 
3098
        local = self.make_branch('local', format='1.9-rich-root')
 
3099
        local.repository.fetch(stacked_branch.repository,
 
3100
            stacked_branch.last_revision())
 
3101
 
 
3102
 
 
3103
class TestRemoteBranchEffort(tests.TestCaseWithTransport):
 
3104
 
 
3105
    def setUp(self):
 
3106
        super(TestRemoteBranchEffort, self).setUp()
 
3107
        # Create a smart server that publishes whatever the backing VFS server
 
3108
        # does.
 
3109
        self.smart_server = server.SmartTCPServer_for_testing()
 
3110
        self.start_server(self.smart_server, self.get_server())
 
3111
        # Log all HPSS calls into self.hpss_calls.
 
3112
        _SmartClient.hooks.install_named_hook(
 
3113
            'call', self.capture_hpss_call, None)
 
3114
        self.hpss_calls = []
 
3115
 
 
3116
    def capture_hpss_call(self, params):
 
3117
        self.hpss_calls.append(params.method)
 
3118
 
 
3119
    def test_copy_content_into_avoids_revision_history(self):
 
3120
        local = self.make_branch('local')
 
3121
        remote_backing_tree = self.make_branch_and_tree('remote')
 
3122
        remote_backing_tree.commit("Commit.")
 
3123
        remote_branch_url = self.smart_server.get_url() + 'remote'
 
3124
        remote_branch = bzrdir.BzrDir.open(remote_branch_url).open_branch()
 
3125
        local.repository.fetch(remote_branch.repository)
 
3126
        self.hpss_calls = []
 
3127
        remote_branch.copy_content_into(local)
 
3128
        self.assertFalse('Branch.revision_history' in self.hpss_calls)