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  • Committer: mbp at sourcefrog
  • Date: 2005-03-19 23:50:21 UTC
  • Revision ID: mbp@sourcefrog.net-20050319235021-a4a900883ea8e2d8
better notes on how to install

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1
 
# Copyright (C) 2006-2010 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
 
    transport,
42
 
    treebuilder,
43
 
    urlutils,
44
 
    versionedfile,
45
 
    )
46
 
from bzrlib.branch import Branch
47
 
from bzrlib.bzrdir import BzrDir, BzrDirFormat
48
 
from bzrlib.remote import (
49
 
    RemoteBranch,
50
 
    RemoteBranchFormat,
51
 
    RemoteBzrDir,
52
 
    RemoteBzrDirFormat,
53
 
    RemoteRepository,
54
 
    RemoteRepositoryFormat,
55
 
    )
56
 
from bzrlib.repofmt import groupcompress_repo, pack_repo
57
 
from bzrlib.revision import NULL_REVISION
58
 
from bzrlib.smart import medium
59
 
from bzrlib.smart.client import _SmartClient
60
 
from bzrlib.smart.repository import SmartServerRepositoryGetParentMap
61
 
from bzrlib.tests import (
62
 
    condition_isinstance,
63
 
    split_suite_by_condition,
64
 
    multiply_tests,
65
 
    test_server,
66
 
    )
67
 
from bzrlib.transport.memory import MemoryTransport
68
 
from bzrlib.transport.remote import (
69
 
    RemoteTransport,
70
 
    RemoteSSHTransport,
71
 
    RemoteTCPTransport,
72
 
)
73
 
 
74
 
def load_tests(standard_tests, module, loader):
75
 
    to_adapt, result = split_suite_by_condition(
76
 
        standard_tests, condition_isinstance(BasicRemoteObjectTests))
77
 
    smart_server_version_scenarios = [
78
 
        ('HPSS-v2',
79
 
         {'transport_server': test_server.SmartTCPServer_for_testing_v2_only}),
80
 
        ('HPSS-v3',
81
 
         {'transport_server': test_server.SmartTCPServer_for_testing})]
82
 
    return multiply_tests(to_adapt, smart_server_version_scenarios, result)
83
 
 
84
 
 
85
 
class BasicRemoteObjectTests(tests.TestCaseWithTransport):
86
 
 
87
 
    def setUp(self):
88
 
        super(BasicRemoteObjectTests, self).setUp()
89
 
        self.transport = self.get_transport()
90
 
        # make a branch that can be opened over the smart transport
91
 
        self.local_wt = BzrDir.create_standalone_workingtree('.')
92
 
        self.addCleanup(self.transport.disconnect)
93
 
 
94
 
    def test_create_remote_bzrdir(self):
95
 
        b = remote.RemoteBzrDir(self.transport, remote.RemoteBzrDirFormat())
96
 
        self.assertIsInstance(b, BzrDir)
97
 
 
98
 
    def test_open_remote_branch(self):
99
 
        # open a standalone branch in the working directory
100
 
        b = remote.RemoteBzrDir(self.transport, remote.RemoteBzrDirFormat())
101
 
        branch = b.open_branch()
102
 
        self.assertIsInstance(branch, Branch)
103
 
 
104
 
    def test_remote_repository(self):
105
 
        b = BzrDir.open_from_transport(self.transport)
106
 
        repo = b.open_repository()
107
 
        revid = u'\xc823123123'.encode('utf8')
108
 
        self.assertFalse(repo.has_revision(revid))
109
 
        self.local_wt.commit(message='test commit', rev_id=revid)
110
 
        self.assertTrue(repo.has_revision(revid))
111
 
 
112
 
    def test_remote_branch_revision_history(self):
113
 
        b = BzrDir.open_from_transport(self.transport).open_branch()
114
 
        self.assertEqual([], b.revision_history())
115
 
        r1 = self.local_wt.commit('1st commit')
116
 
        r2 = self.local_wt.commit('1st commit', rev_id=u'\xc8'.encode('utf8'))
117
 
        self.assertEqual([r1, r2], b.revision_history())
118
 
 
119
 
    def test_find_correct_format(self):
120
 
        """Should open a RemoteBzrDir over a RemoteTransport"""
121
 
        fmt = BzrDirFormat.find_format(self.transport)
122
 
        self.assertTrue(RemoteBzrDirFormat
123
 
                        in BzrDirFormat._control_server_formats)
124
 
        self.assertIsInstance(fmt, remote.RemoteBzrDirFormat)
125
 
 
126
 
    def test_open_detected_smart_format(self):
127
 
        fmt = BzrDirFormat.find_format(self.transport)
128
 
        d = fmt.open(self.transport)
129
 
        self.assertIsInstance(d, BzrDir)
130
 
 
131
 
    def test_remote_branch_repr(self):
132
 
        b = BzrDir.open_from_transport(self.transport).open_branch()
133
 
        self.assertStartsWith(str(b), 'RemoteBranch(')
134
 
 
135
 
    def test_remote_bzrdir_repr(self):
136
 
        b = BzrDir.open_from_transport(self.transport)
137
 
        self.assertStartsWith(str(b), 'RemoteBzrDir(')
138
 
 
139
 
    def test_remote_branch_format_supports_stacking(self):
140
 
        t = self.transport
141
 
        self.make_branch('unstackable', format='pack-0.92')
142
 
        b = BzrDir.open_from_transport(t.clone('unstackable')).open_branch()
143
 
        self.assertFalse(b._format.supports_stacking())
144
 
        self.make_branch('stackable', format='1.9')
145
 
        b = BzrDir.open_from_transport(t.clone('stackable')).open_branch()
146
 
        self.assertTrue(b._format.supports_stacking())
147
 
 
148
 
    def test_remote_repo_format_supports_external_references(self):
149
 
        t = self.transport
150
 
        bd = self.make_bzrdir('unstackable', format='pack-0.92')
151
 
        r = bd.create_repository()
152
 
        self.assertFalse(r._format.supports_external_lookups)
153
 
        r = BzrDir.open_from_transport(t.clone('unstackable')).open_repository()
154
 
        self.assertFalse(r._format.supports_external_lookups)
155
 
        bd = self.make_bzrdir('stackable', format='1.9')
156
 
        r = bd.create_repository()
157
 
        self.assertTrue(r._format.supports_external_lookups)
158
 
        r = BzrDir.open_from_transport(t.clone('stackable')).open_repository()
159
 
        self.assertTrue(r._format.supports_external_lookups)
160
 
 
161
 
    def test_remote_branch_set_append_revisions_only(self):
162
 
        # Make a format 1.9 branch, which supports append_revisions_only
163
 
        branch = self.make_branch('branch', format='1.9')
164
 
        config = branch.get_config()
165
 
        branch.set_append_revisions_only(True)
166
 
        self.assertEqual(
167
 
            'True', config.get_user_option('append_revisions_only'))
168
 
        branch.set_append_revisions_only(False)
169
 
        self.assertEqual(
170
 
            'False', config.get_user_option('append_revisions_only'))
171
 
 
172
 
    def test_remote_branch_set_append_revisions_only_upgrade_reqd(self):
173
 
        branch = self.make_branch('branch', format='knit')
174
 
        config = branch.get_config()
175
 
        self.assertRaises(
176
 
            errors.UpgradeRequired, branch.set_append_revisions_only, True)
177
 
 
178
 
 
179
 
class FakeProtocol(object):
180
 
    """Lookalike SmartClientRequestProtocolOne allowing body reading tests."""
181
 
 
182
 
    def __init__(self, body, fake_client):
183
 
        self.body = body
184
 
        self._body_buffer = None
185
 
        self._fake_client = fake_client
186
 
 
187
 
    def read_body_bytes(self, count=-1):
188
 
        if self._body_buffer is None:
189
 
            self._body_buffer = StringIO(self.body)
190
 
        bytes = self._body_buffer.read(count)
191
 
        if self._body_buffer.tell() == len(self._body_buffer.getvalue()):
192
 
            self._fake_client.expecting_body = False
193
 
        return bytes
194
 
 
195
 
    def cancel_read_body(self):
196
 
        self._fake_client.expecting_body = False
197
 
 
198
 
    def read_streamed_body(self):
199
 
        return self.body
200
 
 
201
 
 
202
 
class FakeClient(_SmartClient):
203
 
    """Lookalike for _SmartClient allowing testing."""
204
 
 
205
 
    def __init__(self, fake_medium_base='fake base'):
206
 
        """Create a FakeClient."""
207
 
        self.responses = []
208
 
        self._calls = []
209
 
        self.expecting_body = False
210
 
        # if non-None, this is the list of expected calls, with only the
211
 
        # method name and arguments included.  the body might be hard to
212
 
        # compute so is not included. If a call is None, that call can
213
 
        # be anything.
214
 
        self._expected_calls = None
215
 
        _SmartClient.__init__(self, FakeMedium(self._calls, fake_medium_base))
216
 
 
217
 
    def add_expected_call(self, call_name, call_args, response_type,
218
 
        response_args, response_body=None):
219
 
        if self._expected_calls is None:
220
 
            self._expected_calls = []
221
 
        self._expected_calls.append((call_name, call_args))
222
 
        self.responses.append((response_type, response_args, response_body))
223
 
 
224
 
    def add_success_response(self, *args):
225
 
        self.responses.append(('success', args, None))
226
 
 
227
 
    def add_success_response_with_body(self, body, *args):
228
 
        self.responses.append(('success', args, body))
229
 
        if self._expected_calls is not None:
230
 
            self._expected_calls.append(None)
231
 
 
232
 
    def add_error_response(self, *args):
233
 
        self.responses.append(('error', args))
234
 
 
235
 
    def add_unknown_method_response(self, verb):
236
 
        self.responses.append(('unknown', verb))
237
 
 
238
 
    def finished_test(self):
239
 
        if self._expected_calls:
240
 
            raise AssertionError("%r finished but was still expecting %r"
241
 
                % (self, self._expected_calls[0]))
242
 
 
243
 
    def _get_next_response(self):
244
 
        try:
245
 
            response_tuple = self.responses.pop(0)
246
 
        except IndexError, e:
247
 
            raise AssertionError("%r didn't expect any more calls"
248
 
                % (self,))
249
 
        if response_tuple[0] == 'unknown':
250
 
            raise errors.UnknownSmartMethod(response_tuple[1])
251
 
        elif response_tuple[0] == 'error':
252
 
            raise errors.ErrorFromSmartServer(response_tuple[1])
253
 
        return response_tuple
254
 
 
255
 
    def _check_call(self, method, args):
256
 
        if self._expected_calls is None:
257
 
            # the test should be updated to say what it expects
258
 
            return
259
 
        try:
260
 
            next_call = self._expected_calls.pop(0)
261
 
        except IndexError:
262
 
            raise AssertionError("%r didn't expect any more calls "
263
 
                "but got %r%r"
264
 
                % (self, method, args,))
265
 
        if next_call is None:
266
 
            return
267
 
        if method != next_call[0] or args != next_call[1]:
268
 
            raise AssertionError("%r expected %r%r "
269
 
                "but got %r%r"
270
 
                % (self, next_call[0], next_call[1], method, args,))
271
 
 
272
 
    def call(self, method, *args):
273
 
        self._check_call(method, args)
274
 
        self._calls.append(('call', method, args))
275
 
        return self._get_next_response()[1]
276
 
 
277
 
    def call_expecting_body(self, method, *args):
278
 
        self._check_call(method, args)
279
 
        self._calls.append(('call_expecting_body', method, args))
280
 
        result = self._get_next_response()
281
 
        self.expecting_body = True
282
 
        return result[1], FakeProtocol(result[2], self)
283
 
 
284
 
    def call_with_body_bytes(self, method, args, body):
285
 
        self._check_call(method, args)
286
 
        self._calls.append(('call_with_body_bytes', method, args, body))
287
 
        result = self._get_next_response()
288
 
        return result[1], FakeProtocol(result[2], self)
289
 
 
290
 
    def call_with_body_bytes_expecting_body(self, method, args, body):
291
 
        self._check_call(method, args)
292
 
        self._calls.append(('call_with_body_bytes_expecting_body', method,
293
 
            args, body))
294
 
        result = self._get_next_response()
295
 
        self.expecting_body = True
296
 
        return result[1], FakeProtocol(result[2], self)
297
 
 
298
 
    def call_with_body_stream(self, args, stream):
299
 
        # Explicitly consume the stream before checking for an error, because
300
 
        # that's what happens a real medium.
301
 
        stream = list(stream)
302
 
        self._check_call(args[0], args[1:])
303
 
        self._calls.append(('call_with_body_stream', args[0], args[1:], stream))
304
 
        result = self._get_next_response()
305
 
        # The second value returned from call_with_body_stream is supposed to
306
 
        # be a response_handler object, but so far no tests depend on that.
307
 
        response_handler = None 
308
 
        return result[1], response_handler
309
 
 
310
 
 
311
 
class FakeMedium(medium.SmartClientMedium):
312
 
 
313
 
    def __init__(self, client_calls, base):
314
 
        medium.SmartClientMedium.__init__(self, base)
315
 
        self._client_calls = client_calls
316
 
 
317
 
    def disconnect(self):
318
 
        self._client_calls.append(('disconnect medium',))
319
 
 
320
 
 
321
 
class TestVfsHas(tests.TestCase):
322
 
 
323
 
    def test_unicode_path(self):
324
 
        client = FakeClient('/')
325
 
        client.add_success_response('yes',)
326
 
        transport = RemoteTransport('bzr://localhost/', _client=client)
327
 
        filename = u'/hell\u00d8'.encode('utf8')
328
 
        result = transport.has(filename)
329
 
        self.assertEqual(
330
 
            [('call', 'has', (filename,))],
331
 
            client._calls)
332
 
        self.assertTrue(result)
333
 
 
334
 
 
335
 
class TestRemote(tests.TestCaseWithMemoryTransport):
336
 
 
337
 
    def get_branch_format(self):
338
 
        reference_bzrdir_format = bzrdir.format_registry.get('default')()
339
 
        return reference_bzrdir_format.get_branch_format()
340
 
 
341
 
    def get_repo_format(self):
342
 
        reference_bzrdir_format = bzrdir.format_registry.get('default')()
343
 
        return reference_bzrdir_format.repository_format
344
 
 
345
 
    def assertFinished(self, fake_client):
346
 
        """Assert that all of a FakeClient's expected calls have occurred."""
347
 
        fake_client.finished_test()
348
 
 
349
 
 
350
 
class Test_ClientMedium_remote_path_from_transport(tests.TestCase):
351
 
    """Tests for the behaviour of client_medium.remote_path_from_transport."""
352
 
 
353
 
    def assertRemotePath(self, expected, client_base, transport_base):
354
 
        """Assert that the result of
355
 
        SmartClientMedium.remote_path_from_transport is the expected value for
356
 
        a given client_base and transport_base.
357
 
        """
358
 
        client_medium = medium.SmartClientMedium(client_base)
359
 
        t = transport.get_transport(transport_base)
360
 
        result = client_medium.remote_path_from_transport(t)
361
 
        self.assertEqual(expected, result)
362
 
 
363
 
    def test_remote_path_from_transport(self):
364
 
        """SmartClientMedium.remote_path_from_transport calculates a URL for
365
 
        the given transport relative to the root of the client base URL.
366
 
        """
367
 
        self.assertRemotePath('xyz/', 'bzr://host/path', 'bzr://host/xyz')
368
 
        self.assertRemotePath(
369
 
            'path/xyz/', 'bzr://host/path', 'bzr://host/path/xyz')
370
 
 
371
 
    def assertRemotePathHTTP(self, expected, transport_base, relpath):
372
 
        """Assert that the result of
373
 
        HttpTransportBase.remote_path_from_transport is the expected value for
374
 
        a given transport_base and relpath of that transport.  (Note that
375
 
        HttpTransportBase is a subclass of SmartClientMedium)
376
 
        """
377
 
        base_transport = transport.get_transport(transport_base)
378
 
        client_medium = base_transport.get_smart_medium()
379
 
        cloned_transport = base_transport.clone(relpath)
380
 
        result = client_medium.remote_path_from_transport(cloned_transport)
381
 
        self.assertEqual(expected, result)
382
 
 
383
 
    def test_remote_path_from_transport_http(self):
384
 
        """Remote paths for HTTP transports are calculated differently to other
385
 
        transports.  They are just relative to the client base, not the root
386
 
        directory of the host.
387
 
        """
388
 
        for scheme in ['http:', 'https:', 'bzr+http:', 'bzr+https:']:
389
 
            self.assertRemotePathHTTP(
390
 
                '../xyz/', scheme + '//host/path', '../xyz/')
391
 
            self.assertRemotePathHTTP(
392
 
                'xyz/', scheme + '//host/path', 'xyz/')
393
 
 
394
 
 
395
 
class Test_ClientMedium_remote_is_at_least(tests.TestCase):
396
 
    """Tests for the behaviour of client_medium.remote_is_at_least."""
397
 
 
398
 
    def test_initially_unlimited(self):
399
 
        """A fresh medium assumes that the remote side supports all
400
 
        versions.
401
 
        """
402
 
        client_medium = medium.SmartClientMedium('dummy base')
403
 
        self.assertFalse(client_medium._is_remote_before((99, 99)))
404
 
 
405
 
    def test__remember_remote_is_before(self):
406
 
        """Calling _remember_remote_is_before ratchets down the known remote
407
 
        version.
408
 
        """
409
 
        client_medium = medium.SmartClientMedium('dummy base')
410
 
        # Mark the remote side as being less than 1.6.  The remote side may
411
 
        # still be 1.5.
412
 
        client_medium._remember_remote_is_before((1, 6))
413
 
        self.assertTrue(client_medium._is_remote_before((1, 6)))
414
 
        self.assertFalse(client_medium._is_remote_before((1, 5)))
415
 
        # Calling _remember_remote_is_before again with a lower value works.
416
 
        client_medium._remember_remote_is_before((1, 5))
417
 
        self.assertTrue(client_medium._is_remote_before((1, 5)))
418
 
        # If you call _remember_remote_is_before with a higher value it logs a
419
 
        # warning, and continues to remember the lower value.
420
 
        self.assertNotContainsRe(self.get_log(), '_remember_remote_is_before')
421
 
        client_medium._remember_remote_is_before((1, 9))
422
 
        self.assertContainsRe(self.get_log(), '_remember_remote_is_before')
423
 
        self.assertTrue(client_medium._is_remote_before((1, 5)))
424
 
 
425
 
 
426
 
class TestBzrDirCloningMetaDir(TestRemote):
427
 
 
428
 
    def test_backwards_compat(self):
429
 
        self.setup_smart_server_with_call_log()
430
 
        a_dir = self.make_bzrdir('.')
431
 
        self.reset_smart_call_log()
432
 
        verb = 'BzrDir.cloning_metadir'
433
 
        self.disable_verb(verb)
434
 
        format = a_dir.cloning_metadir()
435
 
        call_count = len([call for call in self.hpss_calls if
436
 
            call.call.method == verb])
437
 
        self.assertEqual(1, call_count)
438
 
 
439
 
    def test_branch_reference(self):
440
 
        transport = self.get_transport('quack')
441
 
        referenced = self.make_branch('referenced')
442
 
        expected = referenced.bzrdir.cloning_metadir()
443
 
        client = FakeClient(transport.base)
444
 
        client.add_expected_call(
445
 
            'BzrDir.cloning_metadir', ('quack/', 'False'),
446
 
            'error', ('BranchReference',)),
447
 
        client.add_expected_call(
448
 
            'BzrDir.open_branchV3', ('quack/',),
449
 
            'success', ('ref', self.get_url('referenced'))),
450
 
        a_bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
451
 
            _client=client)
452
 
        result = a_bzrdir.cloning_metadir()
453
 
        # We should have got a control dir matching the referenced branch.
454
 
        self.assertEqual(bzrdir.BzrDirMetaFormat1, type(result))
455
 
        self.assertEqual(expected._repository_format, result._repository_format)
456
 
        self.assertEqual(expected._branch_format, result._branch_format)
457
 
        self.assertFinished(client)
458
 
 
459
 
    def test_current_server(self):
460
 
        transport = self.get_transport('.')
461
 
        transport = transport.clone('quack')
462
 
        self.make_bzrdir('quack')
463
 
        client = FakeClient(transport.base)
464
 
        reference_bzrdir_format = bzrdir.format_registry.get('default')()
465
 
        control_name = reference_bzrdir_format.network_name()
466
 
        client.add_expected_call(
467
 
            'BzrDir.cloning_metadir', ('quack/', 'False'),
468
 
            'success', (control_name, '', ('branch', ''))),
469
 
        a_bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
470
 
            _client=client)
471
 
        result = a_bzrdir.cloning_metadir()
472
 
        # We should have got a reference control dir with default branch and
473
 
        # repository formats.
474
 
        # This pokes a little, just to be sure.
475
 
        self.assertEqual(bzrdir.BzrDirMetaFormat1, type(result))
476
 
        self.assertEqual(None, result._repository_format)
477
 
        self.assertEqual(None, result._branch_format)
478
 
        self.assertFinished(client)
479
 
 
480
 
 
481
 
class TestBzrDirOpen(TestRemote):
482
 
 
483
 
    def make_fake_client_and_transport(self, path='quack'):
484
 
        transport = MemoryTransport()
485
 
        transport.mkdir(path)
486
 
        transport = transport.clone(path)
487
 
        client = FakeClient(transport.base)
488
 
        return client, transport
489
 
 
490
 
    def test_absent(self):
491
 
        client, transport = self.make_fake_client_and_transport()
492
 
        client.add_expected_call(
493
 
            'BzrDir.open_2.1', ('quack/',), 'success', ('no',))
494
 
        self.assertRaises(errors.NotBranchError, RemoteBzrDir, transport,
495
 
                remote.RemoteBzrDirFormat(), _client=client, _force_probe=True)
496
 
        self.assertFinished(client)
497
 
 
498
 
    def test_present_without_workingtree(self):
499
 
        client, transport = self.make_fake_client_and_transport()
500
 
        client.add_expected_call(
501
 
            'BzrDir.open_2.1', ('quack/',), 'success', ('yes', 'no'))
502
 
        bd = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
503
 
            _client=client, _force_probe=True)
504
 
        self.assertIsInstance(bd, RemoteBzrDir)
505
 
        self.assertFalse(bd.has_workingtree())
506
 
        self.assertRaises(errors.NoWorkingTree, bd.open_workingtree)
507
 
        self.assertFinished(client)
508
 
 
509
 
    def test_present_with_workingtree(self):
510
 
        client, transport = self.make_fake_client_and_transport()
511
 
        client.add_expected_call(
512
 
            'BzrDir.open_2.1', ('quack/',), 'success', ('yes', 'yes'))
513
 
        bd = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
514
 
            _client=client, _force_probe=True)
515
 
        self.assertIsInstance(bd, RemoteBzrDir)
516
 
        self.assertTrue(bd.has_workingtree())
517
 
        self.assertRaises(errors.NotLocalUrl, bd.open_workingtree)
518
 
        self.assertFinished(client)
519
 
 
520
 
    def test_backwards_compat(self):
521
 
        client, transport = self.make_fake_client_and_transport()
522
 
        client.add_expected_call(
523
 
            'BzrDir.open_2.1', ('quack/',), 'unknown', ('BzrDir.open_2.1',))
524
 
        client.add_expected_call(
525
 
            'BzrDir.open', ('quack/',), 'success', ('yes',))
526
 
        bd = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
527
 
            _client=client, _force_probe=True)
528
 
        self.assertIsInstance(bd, RemoteBzrDir)
529
 
        self.assertFinished(client)
530
 
 
531
 
    def test_backwards_compat_hpss_v2(self):
532
 
        client, transport = self.make_fake_client_and_transport()
533
 
        # Monkey-patch fake client to simulate real-world behaviour with v2
534
 
        # server: upon first RPC call detect the protocol version, and because
535
 
        # the version is 2 also do _remember_remote_is_before((1, 6)) before
536
 
        # continuing with the RPC.
537
 
        orig_check_call = client._check_call
538
 
        def check_call(method, args):
539
 
            client._medium._protocol_version = 2
540
 
            client._medium._remember_remote_is_before((1, 6))
541
 
            client._check_call = orig_check_call
542
 
            client._check_call(method, args)
543
 
        client._check_call = check_call
544
 
        client.add_expected_call(
545
 
            'BzrDir.open_2.1', ('quack/',), 'unknown', ('BzrDir.open_2.1',))
546
 
        client.add_expected_call(
547
 
            'BzrDir.open', ('quack/',), 'success', ('yes',))
548
 
        bd = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
549
 
            _client=client, _force_probe=True)
550
 
        self.assertIsInstance(bd, RemoteBzrDir)
551
 
        self.assertFinished(client)
552
 
 
553
 
 
554
 
class TestBzrDirOpenBranch(TestRemote):
555
 
 
556
 
    def test_backwards_compat(self):
557
 
        self.setup_smart_server_with_call_log()
558
 
        self.make_branch('.')
559
 
        a_dir = BzrDir.open(self.get_url('.'))
560
 
        self.reset_smart_call_log()
561
 
        verb = 'BzrDir.open_branchV3'
562
 
        self.disable_verb(verb)
563
 
        format = a_dir.open_branch()
564
 
        call_count = len([call for call in self.hpss_calls if
565
 
            call.call.method == verb])
566
 
        self.assertEqual(1, call_count)
567
 
 
568
 
    def test_branch_present(self):
569
 
        reference_format = self.get_repo_format()
570
 
        network_name = reference_format.network_name()
571
 
        branch_network_name = self.get_branch_format().network_name()
572
 
        transport = MemoryTransport()
573
 
        transport.mkdir('quack')
574
 
        transport = transport.clone('quack')
575
 
        client = FakeClient(transport.base)
576
 
        client.add_expected_call(
577
 
            'BzrDir.open_branchV3', ('quack/',),
578
 
            'success', ('branch', branch_network_name))
579
 
        client.add_expected_call(
580
 
            'BzrDir.find_repositoryV3', ('quack/',),
581
 
            'success', ('ok', '', 'no', 'no', 'no', network_name))
582
 
        client.add_expected_call(
583
 
            'Branch.get_stacked_on_url', ('quack/',),
584
 
            'error', ('NotStacked',))
585
 
        bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
586
 
            _client=client)
587
 
        result = bzrdir.open_branch()
588
 
        self.assertIsInstance(result, RemoteBranch)
589
 
        self.assertEqual(bzrdir, result.bzrdir)
590
 
        self.assertFinished(client)
591
 
 
592
 
    def test_branch_missing(self):
593
 
        transport = MemoryTransport()
594
 
        transport.mkdir('quack')
595
 
        transport = transport.clone('quack')
596
 
        client = FakeClient(transport.base)
597
 
        client.add_error_response('nobranch')
598
 
        bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
599
 
            _client=client)
600
 
        self.assertRaises(errors.NotBranchError, bzrdir.open_branch)
601
 
        self.assertEqual(
602
 
            [('call', 'BzrDir.open_branchV3', ('quack/',))],
603
 
            client._calls)
604
 
 
605
 
    def test__get_tree_branch(self):
606
 
        # _get_tree_branch is a form of open_branch, but it should only ask for
607
 
        # branch opening, not any other network requests.
608
 
        calls = []
609
 
        def open_branch(name=None):
610
 
            calls.append("Called")
611
 
            return "a-branch"
612
 
        transport = MemoryTransport()
613
 
        # no requests on the network - catches other api calls being made.
614
 
        client = FakeClient(transport.base)
615
 
        bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
616
 
            _client=client)
617
 
        # patch the open_branch call to record that it was called.
618
 
        bzrdir.open_branch = open_branch
619
 
        self.assertEqual((None, "a-branch"), bzrdir._get_tree_branch())
620
 
        self.assertEqual(["Called"], calls)
621
 
        self.assertEqual([], client._calls)
622
 
 
623
 
    def test_url_quoting_of_path(self):
624
 
        # Relpaths on the wire should not be URL-escaped.  So "~" should be
625
 
        # transmitted as "~", not "%7E".
626
 
        transport = RemoteTCPTransport('bzr://localhost/~hello/')
627
 
        client = FakeClient(transport.base)
628
 
        reference_format = self.get_repo_format()
629
 
        network_name = reference_format.network_name()
630
 
        branch_network_name = self.get_branch_format().network_name()
631
 
        client.add_expected_call(
632
 
            'BzrDir.open_branchV3', ('~hello/',),
633
 
            'success', ('branch', branch_network_name))
634
 
        client.add_expected_call(
635
 
            'BzrDir.find_repositoryV3', ('~hello/',),
636
 
            'success', ('ok', '', 'no', 'no', 'no', network_name))
637
 
        client.add_expected_call(
638
 
            'Branch.get_stacked_on_url', ('~hello/',),
639
 
            'error', ('NotStacked',))
640
 
        bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
641
 
            _client=client)
642
 
        result = bzrdir.open_branch()
643
 
        self.assertFinished(client)
644
 
 
645
 
    def check_open_repository(self, rich_root, subtrees, external_lookup='no'):
646
 
        reference_format = self.get_repo_format()
647
 
        network_name = reference_format.network_name()
648
 
        transport = MemoryTransport()
649
 
        transport.mkdir('quack')
650
 
        transport = transport.clone('quack')
651
 
        if rich_root:
652
 
            rich_response = 'yes'
653
 
        else:
654
 
            rich_response = 'no'
655
 
        if subtrees:
656
 
            subtree_response = 'yes'
657
 
        else:
658
 
            subtree_response = 'no'
659
 
        client = FakeClient(transport.base)
660
 
        client.add_success_response(
661
 
            'ok', '', rich_response, subtree_response, external_lookup,
662
 
            network_name)
663
 
        bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
664
 
            _client=client)
665
 
        result = bzrdir.open_repository()
666
 
        self.assertEqual(
667
 
            [('call', 'BzrDir.find_repositoryV3', ('quack/',))],
668
 
            client._calls)
669
 
        self.assertIsInstance(result, RemoteRepository)
670
 
        self.assertEqual(bzrdir, result.bzrdir)
671
 
        self.assertEqual(rich_root, result._format.rich_root_data)
672
 
        self.assertEqual(subtrees, result._format.supports_tree_reference)
673
 
 
674
 
    def test_open_repository_sets_format_attributes(self):
675
 
        self.check_open_repository(True, True)
676
 
        self.check_open_repository(False, True)
677
 
        self.check_open_repository(True, False)
678
 
        self.check_open_repository(False, False)
679
 
        self.check_open_repository(False, False, 'yes')
680
 
 
681
 
    def test_old_server(self):
682
 
        """RemoteBzrDirFormat should fail to probe if the server version is too
683
 
        old.
684
 
        """
685
 
        self.assertRaises(errors.NotBranchError,
686
 
            RemoteBzrDirFormat.probe_transport, OldServerTransport())
687
 
 
688
 
 
689
 
class TestBzrDirCreateBranch(TestRemote):
690
 
 
691
 
    def test_backwards_compat(self):
692
 
        self.setup_smart_server_with_call_log()
693
 
        repo = self.make_repository('.')
694
 
        self.reset_smart_call_log()
695
 
        self.disable_verb('BzrDir.create_branch')
696
 
        branch = repo.bzrdir.create_branch()
697
 
        create_branch_call_count = len([call for call in self.hpss_calls if
698
 
            call.call.method == 'BzrDir.create_branch'])
699
 
        self.assertEqual(1, create_branch_call_count)
700
 
 
701
 
    def test_current_server(self):
702
 
        transport = self.get_transport('.')
703
 
        transport = transport.clone('quack')
704
 
        self.make_repository('quack')
705
 
        client = FakeClient(transport.base)
706
 
        reference_bzrdir_format = bzrdir.format_registry.get('default')()
707
 
        reference_format = reference_bzrdir_format.get_branch_format()
708
 
        network_name = reference_format.network_name()
709
 
        reference_repo_fmt = reference_bzrdir_format.repository_format
710
 
        reference_repo_name = reference_repo_fmt.network_name()
711
 
        client.add_expected_call(
712
 
            'BzrDir.create_branch', ('quack/', network_name),
713
 
            'success', ('ok', network_name, '', 'no', 'no', 'yes',
714
 
            reference_repo_name))
715
 
        a_bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
716
 
            _client=client)
717
 
        branch = a_bzrdir.create_branch()
718
 
        # We should have got a remote branch
719
 
        self.assertIsInstance(branch, remote.RemoteBranch)
720
 
        # its format should have the settings from the response
721
 
        format = branch._format
722
 
        self.assertEqual(network_name, format.network_name())
723
 
 
724
 
 
725
 
class TestBzrDirCreateRepository(TestRemote):
726
 
 
727
 
    def test_backwards_compat(self):
728
 
        self.setup_smart_server_with_call_log()
729
 
        bzrdir = self.make_bzrdir('.')
730
 
        self.reset_smart_call_log()
731
 
        self.disable_verb('BzrDir.create_repository')
732
 
        repo = bzrdir.create_repository()
733
 
        create_repo_call_count = len([call for call in self.hpss_calls if
734
 
            call.call.method == 'BzrDir.create_repository'])
735
 
        self.assertEqual(1, create_repo_call_count)
736
 
 
737
 
    def test_current_server(self):
738
 
        transport = self.get_transport('.')
739
 
        transport = transport.clone('quack')
740
 
        self.make_bzrdir('quack')
741
 
        client = FakeClient(transport.base)
742
 
        reference_bzrdir_format = bzrdir.format_registry.get('default')()
743
 
        reference_format = reference_bzrdir_format.repository_format
744
 
        network_name = reference_format.network_name()
745
 
        client.add_expected_call(
746
 
            'BzrDir.create_repository', ('quack/',
747
 
                'Bazaar repository format 2a (needs bzr 1.16 or later)\n',
748
 
                'False'),
749
 
            'success', ('ok', 'yes', 'yes', 'yes', network_name))
750
 
        a_bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
751
 
            _client=client)
752
 
        repo = a_bzrdir.create_repository()
753
 
        # We should have got a remote repository
754
 
        self.assertIsInstance(repo, remote.RemoteRepository)
755
 
        # its format should have the settings from the response
756
 
        format = repo._format
757
 
        self.assertTrue(format.rich_root_data)
758
 
        self.assertTrue(format.supports_tree_reference)
759
 
        self.assertTrue(format.supports_external_lookups)
760
 
        self.assertEqual(network_name, format.network_name())
761
 
 
762
 
 
763
 
class TestBzrDirOpenRepository(TestRemote):
764
 
 
765
 
    def test_backwards_compat_1_2_3(self):
766
 
        # fallback all the way to the first version.
767
 
        reference_format = self.get_repo_format()
768
 
        network_name = reference_format.network_name()
769
 
        server_url = 'bzr://example.com/'
770
 
        self.permit_url(server_url)
771
 
        client = FakeClient(server_url)
772
 
        client.add_unknown_method_response('BzrDir.find_repositoryV3')
773
 
        client.add_unknown_method_response('BzrDir.find_repositoryV2')
774
 
        client.add_success_response('ok', '', 'no', 'no')
775
 
        # A real repository instance will be created to determine the network
776
 
        # name.
777
 
        client.add_success_response_with_body(
778
 
            "Bazaar-NG meta directory, format 1\n", 'ok')
779
 
        client.add_success_response_with_body(
780
 
            reference_format.get_format_string(), 'ok')
781
 
        # PackRepository wants to do a stat
782
 
        client.add_success_response('stat', '0', '65535')
783
 
        remote_transport = RemoteTransport(server_url + 'quack/', medium=False,
784
 
            _client=client)
785
 
        bzrdir = RemoteBzrDir(remote_transport, remote.RemoteBzrDirFormat(),
786
 
            _client=client)
787
 
        repo = bzrdir.open_repository()
788
 
        self.assertEqual(
789
 
            [('call', 'BzrDir.find_repositoryV3', ('quack/',)),
790
 
             ('call', 'BzrDir.find_repositoryV2', ('quack/',)),
791
 
             ('call', 'BzrDir.find_repository', ('quack/',)),
792
 
             ('call_expecting_body', 'get', ('/quack/.bzr/branch-format',)),
793
 
             ('call_expecting_body', 'get', ('/quack/.bzr/repository/format',)),
794
 
             ('call', 'stat', ('/quack/.bzr/repository',)),
795
 
             ],
796
 
            client._calls)
797
 
        self.assertEqual(network_name, repo._format.network_name())
798
 
 
799
 
    def test_backwards_compat_2(self):
800
 
        # fallback to find_repositoryV2
801
 
        reference_format = self.get_repo_format()
802
 
        network_name = reference_format.network_name()
803
 
        server_url = 'bzr://example.com/'
804
 
        self.permit_url(server_url)
805
 
        client = FakeClient(server_url)
806
 
        client.add_unknown_method_response('BzrDir.find_repositoryV3')
807
 
        client.add_success_response('ok', '', 'no', 'no', 'no')
808
 
        # A real repository instance will be created to determine the network
809
 
        # name.
810
 
        client.add_success_response_with_body(
811
 
            "Bazaar-NG meta directory, format 1\n", 'ok')
812
 
        client.add_success_response_with_body(
813
 
            reference_format.get_format_string(), 'ok')
814
 
        # PackRepository wants to do a stat
815
 
        client.add_success_response('stat', '0', '65535')
816
 
        remote_transport = RemoteTransport(server_url + 'quack/', medium=False,
817
 
            _client=client)
818
 
        bzrdir = RemoteBzrDir(remote_transport, remote.RemoteBzrDirFormat(),
819
 
            _client=client)
820
 
        repo = bzrdir.open_repository()
821
 
        self.assertEqual(
822
 
            [('call', 'BzrDir.find_repositoryV3', ('quack/',)),
823
 
             ('call', 'BzrDir.find_repositoryV2', ('quack/',)),
824
 
             ('call_expecting_body', 'get', ('/quack/.bzr/branch-format',)),
825
 
             ('call_expecting_body', 'get', ('/quack/.bzr/repository/format',)),
826
 
             ('call', 'stat', ('/quack/.bzr/repository',)),
827
 
             ],
828
 
            client._calls)
829
 
        self.assertEqual(network_name, repo._format.network_name())
830
 
 
831
 
    def test_current_server(self):
832
 
        reference_format = self.get_repo_format()
833
 
        network_name = reference_format.network_name()
834
 
        transport = MemoryTransport()
835
 
        transport.mkdir('quack')
836
 
        transport = transport.clone('quack')
837
 
        client = FakeClient(transport.base)
838
 
        client.add_success_response('ok', '', 'no', 'no', 'no', network_name)
839
 
        bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
840
 
            _client=client)
841
 
        repo = bzrdir.open_repository()
842
 
        self.assertEqual(
843
 
            [('call', 'BzrDir.find_repositoryV3', ('quack/',))],
844
 
            client._calls)
845
 
        self.assertEqual(network_name, repo._format.network_name())
846
 
 
847
 
 
848
 
class TestBzrDirFormatInitializeEx(TestRemote):
849
 
 
850
 
    def test_success(self):
851
 
        """Simple test for typical successful call."""
852
 
        fmt = bzrdir.RemoteBzrDirFormat()
853
 
        default_format_name = BzrDirFormat.get_default_format().network_name()
854
 
        transport = self.get_transport()
855
 
        client = FakeClient(transport.base)
856
 
        client.add_expected_call(
857
 
            'BzrDirFormat.initialize_ex_1.16',
858
 
                (default_format_name, 'path', 'False', 'False', 'False', '',
859
 
                 '', '', '', 'False'),
860
 
            'success',
861
 
                ('.', 'no', 'no', 'yes', 'repo fmt', 'repo bzrdir fmt',
862
 
                 'bzrdir fmt', 'False', '', '', 'repo lock token'))
863
 
        # XXX: It would be better to call fmt.initialize_on_transport_ex, but
864
 
        # it's currently hard to test that without supplying a real remote
865
 
        # transport connected to a real server.
866
 
        result = fmt._initialize_on_transport_ex_rpc(client, 'path',
867
 
            transport, False, False, False, None, None, None, None, False)
868
 
        self.assertFinished(client)
869
 
 
870
 
    def test_error(self):
871
 
        """Error responses are translated, e.g. 'PermissionDenied' raises the
872
 
        corresponding error from the client.
873
 
        """
874
 
        fmt = bzrdir.RemoteBzrDirFormat()
875
 
        default_format_name = BzrDirFormat.get_default_format().network_name()
876
 
        transport = self.get_transport()
877
 
        client = FakeClient(transport.base)
878
 
        client.add_expected_call(
879
 
            'BzrDirFormat.initialize_ex_1.16',
880
 
                (default_format_name, 'path', 'False', 'False', 'False', '',
881
 
                 '', '', '', 'False'),
882
 
            'error',
883
 
                ('PermissionDenied', 'path', 'extra info'))
884
 
        # XXX: It would be better to call fmt.initialize_on_transport_ex, but
885
 
        # it's currently hard to test that without supplying a real remote
886
 
        # transport connected to a real server.
887
 
        err = self.assertRaises(errors.PermissionDenied,
888
 
            fmt._initialize_on_transport_ex_rpc, client, 'path', transport,
889
 
            False, False, False, None, None, None, None, False)
890
 
        self.assertEqual('path', err.path)
891
 
        self.assertEqual(': extra info', err.extra)
892
 
        self.assertFinished(client)
893
 
 
894
 
    def test_error_from_real_server(self):
895
 
        """Integration test for error translation."""
896
 
        transport = self.make_smart_server('foo')
897
 
        transport = transport.clone('no-such-path')
898
 
        fmt = bzrdir.RemoteBzrDirFormat()
899
 
        err = self.assertRaises(errors.NoSuchFile,
900
 
            fmt.initialize_on_transport_ex, transport, create_prefix=False)
901
 
 
902
 
 
903
 
class OldSmartClient(object):
904
 
    """A fake smart client for test_old_version that just returns a version one
905
 
    response to the 'hello' (query version) command.
906
 
    """
907
 
 
908
 
    def get_request(self):
909
 
        input_file = StringIO('ok\x011\n')
910
 
        output_file = StringIO()
911
 
        client_medium = medium.SmartSimplePipesClientMedium(
912
 
            input_file, output_file)
913
 
        return medium.SmartClientStreamMediumRequest(client_medium)
914
 
 
915
 
    def protocol_version(self):
916
 
        return 1
917
 
 
918
 
 
919
 
class OldServerTransport(object):
920
 
    """A fake transport for test_old_server that reports it's smart server
921
 
    protocol version as version one.
922
 
    """
923
 
 
924
 
    def __init__(self):
925
 
        self.base = 'fake:'
926
 
 
927
 
    def get_smart_client(self):
928
 
        return OldSmartClient()
929
 
 
930
 
 
931
 
class RemoteBzrDirTestCase(TestRemote):
932
 
 
933
 
    def make_remote_bzrdir(self, transport, client):
934
 
        """Make a RemotebzrDir using 'client' as the _client."""
935
 
        return RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
936
 
            _client=client)
937
 
 
938
 
 
939
 
class RemoteBranchTestCase(RemoteBzrDirTestCase):
940
 
 
941
 
    def lock_remote_branch(self, branch):
942
 
        """Trick a RemoteBranch into thinking it is locked."""
943
 
        branch._lock_mode = 'w'
944
 
        branch._lock_count = 2
945
 
        branch._lock_token = 'branch token'
946
 
        branch._repo_lock_token = 'repo token'
947
 
        branch.repository._lock_mode = 'w'
948
 
        branch.repository._lock_count = 2
949
 
        branch.repository._lock_token = 'repo token'
950
 
 
951
 
    def make_remote_branch(self, transport, client):
952
 
        """Make a RemoteBranch using 'client' as its _SmartClient.
953
 
 
954
 
        A RemoteBzrDir and RemoteRepository will also be created to fill out
955
 
        the RemoteBranch, albeit with stub values for some of their attributes.
956
 
        """
957
 
        # we do not want bzrdir to make any remote calls, so use False as its
958
 
        # _client.  If it tries to make a remote call, this will fail
959
 
        # immediately.
960
 
        bzrdir = self.make_remote_bzrdir(transport, False)
961
 
        repo = RemoteRepository(bzrdir, None, _client=client)
962
 
        branch_format = self.get_branch_format()
963
 
        format = RemoteBranchFormat(network_name=branch_format.network_name())
964
 
        return RemoteBranch(bzrdir, repo, _client=client, format=format)
965
 
 
966
 
 
967
 
class TestBranchGetParent(RemoteBranchTestCase):
968
 
 
969
 
    def test_no_parent(self):
970
 
        # in an empty branch we decode the response properly
971
 
        transport = MemoryTransport()
972
 
        client = FakeClient(transport.base)
973
 
        client.add_expected_call(
974
 
            'Branch.get_stacked_on_url', ('quack/',),
975
 
            'error', ('NotStacked',))
976
 
        client.add_expected_call(
977
 
            'Branch.get_parent', ('quack/',),
978
 
            'success', ('',))
979
 
        transport.mkdir('quack')
980
 
        transport = transport.clone('quack')
981
 
        branch = self.make_remote_branch(transport, client)
982
 
        result = branch.get_parent()
983
 
        self.assertFinished(client)
984
 
        self.assertEqual(None, result)
985
 
 
986
 
    def test_parent_relative(self):
987
 
        transport = MemoryTransport()
988
 
        client = FakeClient(transport.base)
989
 
        client.add_expected_call(
990
 
            'Branch.get_stacked_on_url', ('kwaak/',),
991
 
            'error', ('NotStacked',))
992
 
        client.add_expected_call(
993
 
            'Branch.get_parent', ('kwaak/',),
994
 
            'success', ('../foo/',))
995
 
        transport.mkdir('kwaak')
996
 
        transport = transport.clone('kwaak')
997
 
        branch = self.make_remote_branch(transport, client)
998
 
        result = branch.get_parent()
999
 
        self.assertEqual(transport.clone('../foo').base, result)
1000
 
 
1001
 
    def test_parent_absolute(self):
1002
 
        transport = MemoryTransport()
1003
 
        client = FakeClient(transport.base)
1004
 
        client.add_expected_call(
1005
 
            'Branch.get_stacked_on_url', ('kwaak/',),
1006
 
            'error', ('NotStacked',))
1007
 
        client.add_expected_call(
1008
 
            'Branch.get_parent', ('kwaak/',),
1009
 
            'success', ('http://foo/',))
1010
 
        transport.mkdir('kwaak')
1011
 
        transport = transport.clone('kwaak')
1012
 
        branch = self.make_remote_branch(transport, client)
1013
 
        result = branch.get_parent()
1014
 
        self.assertEqual('http://foo/', result)
1015
 
        self.assertFinished(client)
1016
 
 
1017
 
 
1018
 
class TestBranchSetParentLocation(RemoteBranchTestCase):
1019
 
 
1020
 
    def test_no_parent(self):
1021
 
        # We call the verb when setting parent to None
1022
 
        transport = MemoryTransport()
1023
 
        client = FakeClient(transport.base)
1024
 
        client.add_expected_call(
1025
 
            'Branch.get_stacked_on_url', ('quack/',),
1026
 
            'error', ('NotStacked',))
1027
 
        client.add_expected_call(
1028
 
            'Branch.set_parent_location', ('quack/', 'b', 'r', ''),
1029
 
            'success', ())
1030
 
        transport.mkdir('quack')
1031
 
        transport = transport.clone('quack')
1032
 
        branch = self.make_remote_branch(transport, client)
1033
 
        branch._lock_token = 'b'
1034
 
        branch._repo_lock_token = 'r'
1035
 
        branch._set_parent_location(None)
1036
 
        self.assertFinished(client)
1037
 
 
1038
 
    def test_parent(self):
1039
 
        transport = MemoryTransport()
1040
 
        client = FakeClient(transport.base)
1041
 
        client.add_expected_call(
1042
 
            'Branch.get_stacked_on_url', ('kwaak/',),
1043
 
            'error', ('NotStacked',))
1044
 
        client.add_expected_call(
1045
 
            'Branch.set_parent_location', ('kwaak/', 'b', 'r', 'foo'),
1046
 
            'success', ())
1047
 
        transport.mkdir('kwaak')
1048
 
        transport = transport.clone('kwaak')
1049
 
        branch = self.make_remote_branch(transport, client)
1050
 
        branch._lock_token = 'b'
1051
 
        branch._repo_lock_token = 'r'
1052
 
        branch._set_parent_location('foo')
1053
 
        self.assertFinished(client)
1054
 
 
1055
 
    def test_backwards_compat(self):
1056
 
        self.setup_smart_server_with_call_log()
1057
 
        branch = self.make_branch('.')
1058
 
        self.reset_smart_call_log()
1059
 
        verb = 'Branch.set_parent_location'
1060
 
        self.disable_verb(verb)
1061
 
        branch.set_parent('http://foo/')
1062
 
        self.assertLength(12, self.hpss_calls)
1063
 
 
1064
 
 
1065
 
class TestBranchGetTagsBytes(RemoteBranchTestCase):
1066
 
 
1067
 
    def test_backwards_compat(self):
1068
 
        self.setup_smart_server_with_call_log()
1069
 
        branch = self.make_branch('.')
1070
 
        self.reset_smart_call_log()
1071
 
        verb = 'Branch.get_tags_bytes'
1072
 
        self.disable_verb(verb)
1073
 
        branch.tags.get_tag_dict()
1074
 
        call_count = len([call for call in self.hpss_calls if
1075
 
            call.call.method == verb])
1076
 
        self.assertEqual(1, call_count)
1077
 
 
1078
 
    def test_trivial(self):
1079
 
        transport = MemoryTransport()
1080
 
        client = FakeClient(transport.base)
1081
 
        client.add_expected_call(
1082
 
            'Branch.get_stacked_on_url', ('quack/',),
1083
 
            'error', ('NotStacked',))
1084
 
        client.add_expected_call(
1085
 
            'Branch.get_tags_bytes', ('quack/',),
1086
 
            'success', ('',))
1087
 
        transport.mkdir('quack')
1088
 
        transport = transport.clone('quack')
1089
 
        branch = self.make_remote_branch(transport, client)
1090
 
        result = branch.tags.get_tag_dict()
1091
 
        self.assertFinished(client)
1092
 
        self.assertEqual({}, result)
1093
 
 
1094
 
 
1095
 
class TestBranchSetTagsBytes(RemoteBranchTestCase):
1096
 
 
1097
 
    def test_trivial(self):
1098
 
        transport = MemoryTransport()
1099
 
        client = FakeClient(transport.base)
1100
 
        client.add_expected_call(
1101
 
            'Branch.get_stacked_on_url', ('quack/',),
1102
 
            'error', ('NotStacked',))
1103
 
        client.add_expected_call(
1104
 
            'Branch.set_tags_bytes', ('quack/', 'branch token', 'repo token'),
1105
 
            'success', ('',))
1106
 
        transport.mkdir('quack')
1107
 
        transport = transport.clone('quack')
1108
 
        branch = self.make_remote_branch(transport, client)
1109
 
        self.lock_remote_branch(branch)
1110
 
        branch._set_tags_bytes('tags bytes')
1111
 
        self.assertFinished(client)
1112
 
        self.assertEqual('tags bytes', client._calls[-1][-1])
1113
 
 
1114
 
    def test_backwards_compatible(self):
1115
 
        transport = MemoryTransport()
1116
 
        client = FakeClient(transport.base)
1117
 
        client.add_expected_call(
1118
 
            'Branch.get_stacked_on_url', ('quack/',),
1119
 
            'error', ('NotStacked',))
1120
 
        client.add_expected_call(
1121
 
            'Branch.set_tags_bytes', ('quack/', 'branch token', 'repo token'),
1122
 
            'unknown', ('Branch.set_tags_bytes',))
1123
 
        transport.mkdir('quack')
1124
 
        transport = transport.clone('quack')
1125
 
        branch = self.make_remote_branch(transport, client)
1126
 
        self.lock_remote_branch(branch)
1127
 
        class StubRealBranch(object):
1128
 
            def __init__(self):
1129
 
                self.calls = []
1130
 
            def _set_tags_bytes(self, bytes):
1131
 
                self.calls.append(('set_tags_bytes', bytes))
1132
 
        real_branch = StubRealBranch()
1133
 
        branch._real_branch = real_branch
1134
 
        branch._set_tags_bytes('tags bytes')
1135
 
        # Call a second time, to exercise the 'remote version already inferred'
1136
 
        # code path.
1137
 
        branch._set_tags_bytes('tags bytes')
1138
 
        self.assertFinished(client)
1139
 
        self.assertEqual(
1140
 
            [('set_tags_bytes', 'tags bytes')] * 2, real_branch.calls)
1141
 
 
1142
 
 
1143
 
class TestBranchLastRevisionInfo(RemoteBranchTestCase):
1144
 
 
1145
 
    def test_empty_branch(self):
1146
 
        # in an empty branch we decode the response properly
1147
 
        transport = MemoryTransport()
1148
 
        client = FakeClient(transport.base)
1149
 
        client.add_expected_call(
1150
 
            'Branch.get_stacked_on_url', ('quack/',),
1151
 
            'error', ('NotStacked',))
1152
 
        client.add_expected_call(
1153
 
            'Branch.last_revision_info', ('quack/',),
1154
 
            'success', ('ok', '0', 'null:'))
1155
 
        transport.mkdir('quack')
1156
 
        transport = transport.clone('quack')
1157
 
        branch = self.make_remote_branch(transport, client)
1158
 
        result = branch.last_revision_info()
1159
 
        self.assertFinished(client)
1160
 
        self.assertEqual((0, NULL_REVISION), result)
1161
 
 
1162
 
    def test_non_empty_branch(self):
1163
 
        # in a non-empty branch we also decode the response properly
1164
 
        revid = u'\xc8'.encode('utf8')
1165
 
        transport = MemoryTransport()
1166
 
        client = FakeClient(transport.base)
1167
 
        client.add_expected_call(
1168
 
            'Branch.get_stacked_on_url', ('kwaak/',),
1169
 
            'error', ('NotStacked',))
1170
 
        client.add_expected_call(
1171
 
            'Branch.last_revision_info', ('kwaak/',),
1172
 
            'success', ('ok', '2', revid))
1173
 
        transport.mkdir('kwaak')
1174
 
        transport = transport.clone('kwaak')
1175
 
        branch = self.make_remote_branch(transport, client)
1176
 
        result = branch.last_revision_info()
1177
 
        self.assertEqual((2, revid), result)
1178
 
 
1179
 
 
1180
 
class TestBranch_get_stacked_on_url(TestRemote):
1181
 
    """Test Branch._get_stacked_on_url rpc"""
1182
 
 
1183
 
    def test_get_stacked_on_invalid_url(self):
1184
 
        # test that asking for a stacked on url the server can't access works.
1185
 
        # This isn't perfect, but then as we're in the same process there
1186
 
        # really isn't anything we can do to be 100% sure that the server
1187
 
        # doesn't just open in - this test probably needs to be rewritten using
1188
 
        # a spawn()ed server.
1189
 
        stacked_branch = self.make_branch('stacked', format='1.9')
1190
 
        memory_branch = self.make_branch('base', format='1.9')
1191
 
        vfs_url = self.get_vfs_only_url('base')
1192
 
        stacked_branch.set_stacked_on_url(vfs_url)
1193
 
        transport = stacked_branch.bzrdir.root_transport
1194
 
        client = FakeClient(transport.base)
1195
 
        client.add_expected_call(
1196
 
            'Branch.get_stacked_on_url', ('stacked/',),
1197
 
            'success', ('ok', vfs_url))
1198
 
        # XXX: Multiple calls are bad, this second call documents what is
1199
 
        # today.
1200
 
        client.add_expected_call(
1201
 
            'Branch.get_stacked_on_url', ('stacked/',),
1202
 
            'success', ('ok', vfs_url))
1203
 
        bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
1204
 
            _client=client)
1205
 
        repo_fmt = remote.RemoteRepositoryFormat()
1206
 
        repo_fmt._custom_format = stacked_branch.repository._format
1207
 
        branch = RemoteBranch(bzrdir, RemoteRepository(bzrdir, repo_fmt),
1208
 
            _client=client)
1209
 
        result = branch.get_stacked_on_url()
1210
 
        self.assertEqual(vfs_url, result)
1211
 
 
1212
 
    def test_backwards_compatible(self):
1213
 
        # like with bzr1.6 with no Branch.get_stacked_on_url rpc
1214
 
        base_branch = self.make_branch('base', format='1.6')
1215
 
        stacked_branch = self.make_branch('stacked', format='1.6')
1216
 
        stacked_branch.set_stacked_on_url('../base')
1217
 
        client = FakeClient(self.get_url())
1218
 
        branch_network_name = self.get_branch_format().network_name()
1219
 
        client.add_expected_call(
1220
 
            'BzrDir.open_branchV3', ('stacked/',),
1221
 
            'success', ('branch', branch_network_name))
1222
 
        client.add_expected_call(
1223
 
            'BzrDir.find_repositoryV3', ('stacked/',),
1224
 
            'success', ('ok', '', 'no', 'no', 'yes',
1225
 
                stacked_branch.repository._format.network_name()))
1226
 
        # called twice, once from constructor and then again by us
1227
 
        client.add_expected_call(
1228
 
            'Branch.get_stacked_on_url', ('stacked/',),
1229
 
            'unknown', ('Branch.get_stacked_on_url',))
1230
 
        client.add_expected_call(
1231
 
            'Branch.get_stacked_on_url', ('stacked/',),
1232
 
            'unknown', ('Branch.get_stacked_on_url',))
1233
 
        # this will also do vfs access, but that goes direct to the transport
1234
 
        # and isn't seen by the FakeClient.
1235
 
        bzrdir = RemoteBzrDir(self.get_transport('stacked'),
1236
 
            remote.RemoteBzrDirFormat(), _client=client)
1237
 
        branch = bzrdir.open_branch()
1238
 
        result = branch.get_stacked_on_url()
1239
 
        self.assertEqual('../base', result)
1240
 
        self.assertFinished(client)
1241
 
        # it's in the fallback list both for the RemoteRepository and its vfs
1242
 
        # repository
1243
 
        self.assertEqual(1, len(branch.repository._fallback_repositories))
1244
 
        self.assertEqual(1,
1245
 
            len(branch.repository._real_repository._fallback_repositories))
1246
 
 
1247
 
    def test_get_stacked_on_real_branch(self):
1248
 
        base_branch = self.make_branch('base')
1249
 
        stacked_branch = self.make_branch('stacked')
1250
 
        stacked_branch.set_stacked_on_url('../base')
1251
 
        reference_format = self.get_repo_format()
1252
 
        network_name = reference_format.network_name()
1253
 
        client = FakeClient(self.get_url())
1254
 
        branch_network_name = self.get_branch_format().network_name()
1255
 
        client.add_expected_call(
1256
 
            'BzrDir.open_branchV3', ('stacked/',),
1257
 
            'success', ('branch', branch_network_name))
1258
 
        client.add_expected_call(
1259
 
            'BzrDir.find_repositoryV3', ('stacked/',),
1260
 
            'success', ('ok', '', 'yes', 'no', 'yes', network_name))
1261
 
        # called twice, once from constructor and then again by us
1262
 
        client.add_expected_call(
1263
 
            'Branch.get_stacked_on_url', ('stacked/',),
1264
 
            'success', ('ok', '../base'))
1265
 
        client.add_expected_call(
1266
 
            'Branch.get_stacked_on_url', ('stacked/',),
1267
 
            'success', ('ok', '../base'))
1268
 
        bzrdir = RemoteBzrDir(self.get_transport('stacked'),
1269
 
            remote.RemoteBzrDirFormat(), _client=client)
1270
 
        branch = bzrdir.open_branch()
1271
 
        result = branch.get_stacked_on_url()
1272
 
        self.assertEqual('../base', result)
1273
 
        self.assertFinished(client)
1274
 
        # it's in the fallback list both for the RemoteRepository.
1275
 
        self.assertEqual(1, len(branch.repository._fallback_repositories))
1276
 
        # And we haven't had to construct a real repository.
1277
 
        self.assertEqual(None, branch.repository._real_repository)
1278
 
 
1279
 
 
1280
 
class TestBranchSetLastRevision(RemoteBranchTestCase):
1281
 
 
1282
 
    def test_set_empty(self):
1283
 
        # set_revision_history([]) is translated to calling
1284
 
        # Branch.set_last_revision(path, '') on the wire.
1285
 
        transport = MemoryTransport()
1286
 
        transport.mkdir('branch')
1287
 
        transport = transport.clone('branch')
1288
 
 
1289
 
        client = FakeClient(transport.base)
1290
 
        client.add_expected_call(
1291
 
            'Branch.get_stacked_on_url', ('branch/',),
1292
 
            'error', ('NotStacked',))
1293
 
        client.add_expected_call(
1294
 
            'Branch.lock_write', ('branch/', '', ''),
1295
 
            'success', ('ok', 'branch token', 'repo token'))
1296
 
        client.add_expected_call(
1297
 
            'Branch.last_revision_info',
1298
 
            ('branch/',),
1299
 
            'success', ('ok', '0', 'null:'))
1300
 
        client.add_expected_call(
1301
 
            'Branch.set_last_revision', ('branch/', 'branch token', 'repo token', 'null:',),
1302
 
            'success', ('ok',))
1303
 
        client.add_expected_call(
1304
 
            'Branch.unlock', ('branch/', 'branch token', 'repo token'),
1305
 
            'success', ('ok',))
1306
 
        branch = self.make_remote_branch(transport, client)
1307
 
        # This is a hack to work around the problem that RemoteBranch currently
1308
 
        # unnecessarily invokes _ensure_real upon a call to lock_write.
1309
 
        branch._ensure_real = lambda: None
1310
 
        branch.lock_write()
1311
 
        result = branch.set_revision_history([])
1312
 
        branch.unlock()
1313
 
        self.assertEqual(None, result)
1314
 
        self.assertFinished(client)
1315
 
 
1316
 
    def test_set_nonempty(self):
1317
 
        # set_revision_history([rev-id1, ..., rev-idN]) is translated to calling
1318
 
        # Branch.set_last_revision(path, rev-idN) on the wire.
1319
 
        transport = MemoryTransport()
1320
 
        transport.mkdir('branch')
1321
 
        transport = transport.clone('branch')
1322
 
 
1323
 
        client = FakeClient(transport.base)
1324
 
        client.add_expected_call(
1325
 
            'Branch.get_stacked_on_url', ('branch/',),
1326
 
            'error', ('NotStacked',))
1327
 
        client.add_expected_call(
1328
 
            'Branch.lock_write', ('branch/', '', ''),
1329
 
            'success', ('ok', 'branch token', 'repo token'))
1330
 
        client.add_expected_call(
1331
 
            'Branch.last_revision_info',
1332
 
            ('branch/',),
1333
 
            'success', ('ok', '0', 'null:'))
1334
 
        lines = ['rev-id2']
1335
 
        encoded_body = bz2.compress('\n'.join(lines))
1336
 
        client.add_success_response_with_body(encoded_body, 'ok')
1337
 
        client.add_expected_call(
1338
 
            'Branch.set_last_revision', ('branch/', 'branch token', 'repo token', 'rev-id2',),
1339
 
            'success', ('ok',))
1340
 
        client.add_expected_call(
1341
 
            'Branch.unlock', ('branch/', 'branch token', 'repo token'),
1342
 
            'success', ('ok',))
1343
 
        branch = self.make_remote_branch(transport, client)
1344
 
        # This is a hack to work around the problem that RemoteBranch currently
1345
 
        # unnecessarily invokes _ensure_real upon a call to lock_write.
1346
 
        branch._ensure_real = lambda: None
1347
 
        # Lock the branch, reset the record of remote calls.
1348
 
        branch.lock_write()
1349
 
        result = branch.set_revision_history(['rev-id1', 'rev-id2'])
1350
 
        branch.unlock()
1351
 
        self.assertEqual(None, result)
1352
 
        self.assertFinished(client)
1353
 
 
1354
 
    def test_no_such_revision(self):
1355
 
        transport = MemoryTransport()
1356
 
        transport.mkdir('branch')
1357
 
        transport = transport.clone('branch')
1358
 
        # A response of 'NoSuchRevision' is translated into an exception.
1359
 
        client = FakeClient(transport.base)
1360
 
        client.add_expected_call(
1361
 
            'Branch.get_stacked_on_url', ('branch/',),
1362
 
            'error', ('NotStacked',))
1363
 
        client.add_expected_call(
1364
 
            'Branch.lock_write', ('branch/', '', ''),
1365
 
            'success', ('ok', 'branch token', 'repo token'))
1366
 
        client.add_expected_call(
1367
 
            'Branch.last_revision_info',
1368
 
            ('branch/',),
1369
 
            'success', ('ok', '0', 'null:'))
1370
 
        # get_graph calls to construct the revision history, for the set_rh
1371
 
        # hook
1372
 
        lines = ['rev-id']
1373
 
        encoded_body = bz2.compress('\n'.join(lines))
1374
 
        client.add_success_response_with_body(encoded_body, 'ok')
1375
 
        client.add_expected_call(
1376
 
            'Branch.set_last_revision', ('branch/', 'branch token', 'repo token', 'rev-id',),
1377
 
            'error', ('NoSuchRevision', 'rev-id'))
1378
 
        client.add_expected_call(
1379
 
            'Branch.unlock', ('branch/', 'branch token', 'repo token'),
1380
 
            'success', ('ok',))
1381
 
 
1382
 
        branch = self.make_remote_branch(transport, client)
1383
 
        branch.lock_write()
1384
 
        self.assertRaises(
1385
 
            errors.NoSuchRevision, branch.set_revision_history, ['rev-id'])
1386
 
        branch.unlock()
1387
 
        self.assertFinished(client)
1388
 
 
1389
 
    def test_tip_change_rejected(self):
1390
 
        """TipChangeRejected responses cause a TipChangeRejected exception to
1391
 
        be raised.
1392
 
        """
1393
 
        transport = MemoryTransport()
1394
 
        transport.mkdir('branch')
1395
 
        transport = transport.clone('branch')
1396
 
        client = FakeClient(transport.base)
1397
 
        rejection_msg_unicode = u'rejection message\N{INTERROBANG}'
1398
 
        rejection_msg_utf8 = rejection_msg_unicode.encode('utf8')
1399
 
        client.add_expected_call(
1400
 
            'Branch.get_stacked_on_url', ('branch/',),
1401
 
            'error', ('NotStacked',))
1402
 
        client.add_expected_call(
1403
 
            'Branch.lock_write', ('branch/', '', ''),
1404
 
            'success', ('ok', 'branch token', 'repo token'))
1405
 
        client.add_expected_call(
1406
 
            'Branch.last_revision_info',
1407
 
            ('branch/',),
1408
 
            'success', ('ok', '0', 'null:'))
1409
 
        lines = ['rev-id']
1410
 
        encoded_body = bz2.compress('\n'.join(lines))
1411
 
        client.add_success_response_with_body(encoded_body, 'ok')
1412
 
        client.add_expected_call(
1413
 
            'Branch.set_last_revision', ('branch/', 'branch token', 'repo token', 'rev-id',),
1414
 
            'error', ('TipChangeRejected', rejection_msg_utf8))
1415
 
        client.add_expected_call(
1416
 
            'Branch.unlock', ('branch/', 'branch token', 'repo token'),
1417
 
            'success', ('ok',))
1418
 
        branch = self.make_remote_branch(transport, client)
1419
 
        branch._ensure_real = lambda: None
1420
 
        branch.lock_write()
1421
 
        # The 'TipChangeRejected' error response triggered by calling
1422
 
        # set_revision_history causes a TipChangeRejected exception.
1423
 
        err = self.assertRaises(
1424
 
            errors.TipChangeRejected, branch.set_revision_history, ['rev-id'])
1425
 
        # The UTF-8 message from the response has been decoded into a unicode
1426
 
        # object.
1427
 
        self.assertIsInstance(err.msg, unicode)
1428
 
        self.assertEqual(rejection_msg_unicode, err.msg)
1429
 
        branch.unlock()
1430
 
        self.assertFinished(client)
1431
 
 
1432
 
 
1433
 
class TestBranchSetLastRevisionInfo(RemoteBranchTestCase):
1434
 
 
1435
 
    def test_set_last_revision_info(self):
1436
 
        # set_last_revision_info(num, 'rev-id') is translated to calling
1437
 
        # Branch.set_last_revision_info(num, 'rev-id') on the wire.
1438
 
        transport = MemoryTransport()
1439
 
        transport.mkdir('branch')
1440
 
        transport = transport.clone('branch')
1441
 
        client = FakeClient(transport.base)
1442
 
        # get_stacked_on_url
1443
 
        client.add_error_response('NotStacked')
1444
 
        # lock_write
1445
 
        client.add_success_response('ok', 'branch token', 'repo token')
1446
 
        # query the current revision
1447
 
        client.add_success_response('ok', '0', 'null:')
1448
 
        # set_last_revision
1449
 
        client.add_success_response('ok')
1450
 
        # unlock
1451
 
        client.add_success_response('ok')
1452
 
 
1453
 
        branch = self.make_remote_branch(transport, client)
1454
 
        # Lock the branch, reset the record of remote calls.
1455
 
        branch.lock_write()
1456
 
        client._calls = []
1457
 
        result = branch.set_last_revision_info(1234, 'a-revision-id')
1458
 
        self.assertEqual(
1459
 
            [('call', 'Branch.last_revision_info', ('branch/',)),
1460
 
             ('call', 'Branch.set_last_revision_info',
1461
 
                ('branch/', 'branch token', 'repo token',
1462
 
                 '1234', 'a-revision-id'))],
1463
 
            client._calls)
1464
 
        self.assertEqual(None, result)
1465
 
 
1466
 
    def test_no_such_revision(self):
1467
 
        # A response of 'NoSuchRevision' is translated into an exception.
1468
 
        transport = MemoryTransport()
1469
 
        transport.mkdir('branch')
1470
 
        transport = transport.clone('branch')
1471
 
        client = FakeClient(transport.base)
1472
 
        # get_stacked_on_url
1473
 
        client.add_error_response('NotStacked')
1474
 
        # lock_write
1475
 
        client.add_success_response('ok', 'branch token', 'repo token')
1476
 
        # set_last_revision
1477
 
        client.add_error_response('NoSuchRevision', 'revid')
1478
 
        # unlock
1479
 
        client.add_success_response('ok')
1480
 
 
1481
 
        branch = self.make_remote_branch(transport, client)
1482
 
        # Lock the branch, reset the record of remote calls.
1483
 
        branch.lock_write()
1484
 
        client._calls = []
1485
 
 
1486
 
        self.assertRaises(
1487
 
            errors.NoSuchRevision, branch.set_last_revision_info, 123, 'revid')
1488
 
        branch.unlock()
1489
 
 
1490
 
    def test_backwards_compatibility(self):
1491
 
        """If the server does not support the Branch.set_last_revision_info
1492
 
        verb (which is new in 1.4), then the client falls back to VFS methods.
1493
 
        """
1494
 
        # This test is a little messy.  Unlike most tests in this file, it
1495
 
        # doesn't purely test what a Remote* object sends over the wire, and
1496
 
        # how it reacts to responses from the wire.  It instead relies partly
1497
 
        # on asserting that the RemoteBranch will call
1498
 
        # self._real_branch.set_last_revision_info(...).
1499
 
 
1500
 
        # First, set up our RemoteBranch with a FakeClient that raises
1501
 
        # UnknownSmartMethod, and a StubRealBranch that logs how it is called.
1502
 
        transport = MemoryTransport()
1503
 
        transport.mkdir('branch')
1504
 
        transport = transport.clone('branch')
1505
 
        client = FakeClient(transport.base)
1506
 
        client.add_expected_call(
1507
 
            'Branch.get_stacked_on_url', ('branch/',),
1508
 
            'error', ('NotStacked',))
1509
 
        client.add_expected_call(
1510
 
            'Branch.last_revision_info',
1511
 
            ('branch/',),
1512
 
            'success', ('ok', '0', 'null:'))
1513
 
        client.add_expected_call(
1514
 
            'Branch.set_last_revision_info',
1515
 
            ('branch/', 'branch token', 'repo token', '1234', 'a-revision-id',),
1516
 
            'unknown', 'Branch.set_last_revision_info')
1517
 
 
1518
 
        branch = self.make_remote_branch(transport, client)
1519
 
        class StubRealBranch(object):
1520
 
            def __init__(self):
1521
 
                self.calls = []
1522
 
            def set_last_revision_info(self, revno, revision_id):
1523
 
                self.calls.append(
1524
 
                    ('set_last_revision_info', revno, revision_id))
1525
 
            def _clear_cached_state(self):
1526
 
                pass
1527
 
        real_branch = StubRealBranch()
1528
 
        branch._real_branch = real_branch
1529
 
        self.lock_remote_branch(branch)
1530
 
 
1531
 
        # Call set_last_revision_info, and verify it behaved as expected.
1532
 
        result = branch.set_last_revision_info(1234, 'a-revision-id')
1533
 
        self.assertEqual(
1534
 
            [('set_last_revision_info', 1234, 'a-revision-id')],
1535
 
            real_branch.calls)
1536
 
        self.assertFinished(client)
1537
 
 
1538
 
    def test_unexpected_error(self):
1539
 
        # If the server sends an error the client doesn't understand, it gets
1540
 
        # turned into an UnknownErrorFromSmartServer, which is presented as a
1541
 
        # non-internal error to the user.
1542
 
        transport = MemoryTransport()
1543
 
        transport.mkdir('branch')
1544
 
        transport = transport.clone('branch')
1545
 
        client = FakeClient(transport.base)
1546
 
        # get_stacked_on_url
1547
 
        client.add_error_response('NotStacked')
1548
 
        # lock_write
1549
 
        client.add_success_response('ok', 'branch token', 'repo token')
1550
 
        # set_last_revision
1551
 
        client.add_error_response('UnexpectedError')
1552
 
        # unlock
1553
 
        client.add_success_response('ok')
1554
 
 
1555
 
        branch = self.make_remote_branch(transport, client)
1556
 
        # Lock the branch, reset the record of remote calls.
1557
 
        branch.lock_write()
1558
 
        client._calls = []
1559
 
 
1560
 
        err = self.assertRaises(
1561
 
            errors.UnknownErrorFromSmartServer,
1562
 
            branch.set_last_revision_info, 123, 'revid')
1563
 
        self.assertEqual(('UnexpectedError',), err.error_tuple)
1564
 
        branch.unlock()
1565
 
 
1566
 
    def test_tip_change_rejected(self):
1567
 
        """TipChangeRejected responses cause a TipChangeRejected exception to
1568
 
        be raised.
1569
 
        """
1570
 
        transport = MemoryTransport()
1571
 
        transport.mkdir('branch')
1572
 
        transport = transport.clone('branch')
1573
 
        client = FakeClient(transport.base)
1574
 
        # get_stacked_on_url
1575
 
        client.add_error_response('NotStacked')
1576
 
        # lock_write
1577
 
        client.add_success_response('ok', 'branch token', 'repo token')
1578
 
        # set_last_revision
1579
 
        client.add_error_response('TipChangeRejected', 'rejection message')
1580
 
        # unlock
1581
 
        client.add_success_response('ok')
1582
 
 
1583
 
        branch = self.make_remote_branch(transport, client)
1584
 
        # Lock the branch, reset the record of remote calls.
1585
 
        branch.lock_write()
1586
 
        self.addCleanup(branch.unlock)
1587
 
        client._calls = []
1588
 
 
1589
 
        # The 'TipChangeRejected' error response triggered by calling
1590
 
        # set_last_revision_info causes a TipChangeRejected exception.
1591
 
        err = self.assertRaises(
1592
 
            errors.TipChangeRejected,
1593
 
            branch.set_last_revision_info, 123, 'revid')
1594
 
        self.assertEqual('rejection message', err.msg)
1595
 
 
1596
 
 
1597
 
class TestBranchGetSetConfig(RemoteBranchTestCase):
1598
 
 
1599
 
    def test_get_branch_conf(self):
1600
 
        # in an empty branch we decode the response properly
1601
 
        client = FakeClient()
1602
 
        client.add_expected_call(
1603
 
            'Branch.get_stacked_on_url', ('memory:///',),
1604
 
            'error', ('NotStacked',),)
1605
 
        client.add_success_response_with_body('# config file body', 'ok')
1606
 
        transport = MemoryTransport()
1607
 
        branch = self.make_remote_branch(transport, client)
1608
 
        config = branch.get_config()
1609
 
        config.has_explicit_nickname()
1610
 
        self.assertEqual(
1611
 
            [('call', 'Branch.get_stacked_on_url', ('memory:///',)),
1612
 
             ('call_expecting_body', 'Branch.get_config_file', ('memory:///',))],
1613
 
            client._calls)
1614
 
 
1615
 
    def test_get_multi_line_branch_conf(self):
1616
 
        # Make sure that multiple-line branch.conf files are supported
1617
 
        #
1618
 
        # https://bugs.launchpad.net/bzr/+bug/354075
1619
 
        client = FakeClient()
1620
 
        client.add_expected_call(
1621
 
            'Branch.get_stacked_on_url', ('memory:///',),
1622
 
            'error', ('NotStacked',),)
1623
 
        client.add_success_response_with_body('a = 1\nb = 2\nc = 3\n', 'ok')
1624
 
        transport = MemoryTransport()
1625
 
        branch = self.make_remote_branch(transport, client)
1626
 
        config = branch.get_config()
1627
 
        self.assertEqual(u'2', config.get_user_option('b'))
1628
 
 
1629
 
    def test_set_option(self):
1630
 
        client = FakeClient()
1631
 
        client.add_expected_call(
1632
 
            'Branch.get_stacked_on_url', ('memory:///',),
1633
 
            'error', ('NotStacked',),)
1634
 
        client.add_expected_call(
1635
 
            'Branch.lock_write', ('memory:///', '', ''),
1636
 
            'success', ('ok', 'branch token', 'repo token'))
1637
 
        client.add_expected_call(
1638
 
            'Branch.set_config_option', ('memory:///', 'branch token',
1639
 
            'repo token', 'foo', 'bar', ''),
1640
 
            'success', ())
1641
 
        client.add_expected_call(
1642
 
            'Branch.unlock', ('memory:///', 'branch token', 'repo token'),
1643
 
            'success', ('ok',))
1644
 
        transport = MemoryTransport()
1645
 
        branch = self.make_remote_branch(transport, client)
1646
 
        branch.lock_write()
1647
 
        config = branch._get_config()
1648
 
        config.set_option('foo', 'bar')
1649
 
        branch.unlock()
1650
 
        self.assertFinished(client)
1651
 
 
1652
 
    def test_set_option_with_dict(self):
1653
 
        client = FakeClient()
1654
 
        client.add_expected_call(
1655
 
            'Branch.get_stacked_on_url', ('memory:///',),
1656
 
            'error', ('NotStacked',),)
1657
 
        client.add_expected_call(
1658
 
            'Branch.lock_write', ('memory:///', '', ''),
1659
 
            'success', ('ok', 'branch token', 'repo token'))
1660
 
        encoded_dict_value = 'd5:ascii1:a11:unicode \xe2\x8c\x9a3:\xe2\x80\xbde'
1661
 
        client.add_expected_call(
1662
 
            'Branch.set_config_option_dict', ('memory:///', 'branch token',
1663
 
            'repo token', encoded_dict_value, 'foo', ''),
1664
 
            'success', ())
1665
 
        client.add_expected_call(
1666
 
            'Branch.unlock', ('memory:///', 'branch token', 'repo token'),
1667
 
            'success', ('ok',))
1668
 
        transport = MemoryTransport()
1669
 
        branch = self.make_remote_branch(transport, client)
1670
 
        branch.lock_write()
1671
 
        config = branch._get_config()
1672
 
        config.set_option(
1673
 
            {'ascii': 'a', u'unicode \N{WATCH}': u'\N{INTERROBANG}'},
1674
 
            'foo')
1675
 
        branch.unlock()
1676
 
        self.assertFinished(client)
1677
 
 
1678
 
    def test_backwards_compat_set_option(self):
1679
 
        self.setup_smart_server_with_call_log()
1680
 
        branch = self.make_branch('.')
1681
 
        verb = 'Branch.set_config_option'
1682
 
        self.disable_verb(verb)
1683
 
        branch.lock_write()
1684
 
        self.addCleanup(branch.unlock)
1685
 
        self.reset_smart_call_log()
1686
 
        branch._get_config().set_option('value', 'name')
1687
 
        self.assertLength(10, self.hpss_calls)
1688
 
        self.assertEqual('value', branch._get_config().get_option('name'))
1689
 
 
1690
 
    def test_backwards_compat_set_option_with_dict(self):
1691
 
        self.setup_smart_server_with_call_log()
1692
 
        branch = self.make_branch('.')
1693
 
        verb = 'Branch.set_config_option_dict'
1694
 
        self.disable_verb(verb)
1695
 
        branch.lock_write()
1696
 
        self.addCleanup(branch.unlock)
1697
 
        self.reset_smart_call_log()
1698
 
        config = branch._get_config()
1699
 
        value_dict = {'ascii': 'a', u'unicode \N{WATCH}': u'\N{INTERROBANG}'}
1700
 
        config.set_option(value_dict, 'name')
1701
 
        self.assertLength(10, self.hpss_calls)
1702
 
        self.assertEqual(value_dict, branch._get_config().get_option('name'))
1703
 
 
1704
 
 
1705
 
class TestBranchLockWrite(RemoteBranchTestCase):
1706
 
 
1707
 
    def test_lock_write_unlockable(self):
1708
 
        transport = MemoryTransport()
1709
 
        client = FakeClient(transport.base)
1710
 
        client.add_expected_call(
1711
 
            'Branch.get_stacked_on_url', ('quack/',),
1712
 
            'error', ('NotStacked',),)
1713
 
        client.add_expected_call(
1714
 
            'Branch.lock_write', ('quack/', '', ''),
1715
 
            'error', ('UnlockableTransport',))
1716
 
        transport.mkdir('quack')
1717
 
        transport = transport.clone('quack')
1718
 
        branch = self.make_remote_branch(transport, client)
1719
 
        self.assertRaises(errors.UnlockableTransport, branch.lock_write)
1720
 
        self.assertFinished(client)
1721
 
 
1722
 
 
1723
 
class TestBzrDirGetSetConfig(RemoteBzrDirTestCase):
1724
 
 
1725
 
    def test__get_config(self):
1726
 
        client = FakeClient()
1727
 
        client.add_success_response_with_body('default_stack_on = /\n', 'ok')
1728
 
        transport = MemoryTransport()
1729
 
        bzrdir = self.make_remote_bzrdir(transport, client)
1730
 
        config = bzrdir.get_config()
1731
 
        self.assertEqual('/', config.get_default_stack_on())
1732
 
        self.assertEqual(
1733
 
            [('call_expecting_body', 'BzrDir.get_config_file', ('memory:///',))],
1734
 
            client._calls)
1735
 
 
1736
 
    def test_set_option_uses_vfs(self):
1737
 
        self.setup_smart_server_with_call_log()
1738
 
        bzrdir = self.make_bzrdir('.')
1739
 
        self.reset_smart_call_log()
1740
 
        config = bzrdir.get_config()
1741
 
        config.set_default_stack_on('/')
1742
 
        self.assertLength(3, self.hpss_calls)
1743
 
 
1744
 
    def test_backwards_compat_get_option(self):
1745
 
        self.setup_smart_server_with_call_log()
1746
 
        bzrdir = self.make_bzrdir('.')
1747
 
        verb = 'BzrDir.get_config_file'
1748
 
        self.disable_verb(verb)
1749
 
        self.reset_smart_call_log()
1750
 
        self.assertEqual(None,
1751
 
            bzrdir._get_config().get_option('default_stack_on'))
1752
 
        self.assertLength(3, self.hpss_calls)
1753
 
 
1754
 
 
1755
 
class TestTransportIsReadonly(tests.TestCase):
1756
 
 
1757
 
    def test_true(self):
1758
 
        client = FakeClient()
1759
 
        client.add_success_response('yes')
1760
 
        transport = RemoteTransport('bzr://example.com/', medium=False,
1761
 
                                    _client=client)
1762
 
        self.assertEqual(True, transport.is_readonly())
1763
 
        self.assertEqual(
1764
 
            [('call', 'Transport.is_readonly', ())],
1765
 
            client._calls)
1766
 
 
1767
 
    def test_false(self):
1768
 
        client = FakeClient()
1769
 
        client.add_success_response('no')
1770
 
        transport = RemoteTransport('bzr://example.com/', medium=False,
1771
 
                                    _client=client)
1772
 
        self.assertEqual(False, transport.is_readonly())
1773
 
        self.assertEqual(
1774
 
            [('call', 'Transport.is_readonly', ())],
1775
 
            client._calls)
1776
 
 
1777
 
    def test_error_from_old_server(self):
1778
 
        """bzr 0.15 and earlier servers don't recognise the is_readonly verb.
1779
 
 
1780
 
        Clients should treat it as a "no" response, because is_readonly is only
1781
 
        advisory anyway (a transport could be read-write, but then the
1782
 
        underlying filesystem could be readonly anyway).
1783
 
        """
1784
 
        client = FakeClient()
1785
 
        client.add_unknown_method_response('Transport.is_readonly')
1786
 
        transport = RemoteTransport('bzr://example.com/', medium=False,
1787
 
                                    _client=client)
1788
 
        self.assertEqual(False, transport.is_readonly())
1789
 
        self.assertEqual(
1790
 
            [('call', 'Transport.is_readonly', ())],
1791
 
            client._calls)
1792
 
 
1793
 
 
1794
 
class TestTransportMkdir(tests.TestCase):
1795
 
 
1796
 
    def test_permissiondenied(self):
1797
 
        client = FakeClient()
1798
 
        client.add_error_response('PermissionDenied', 'remote path', 'extra')
1799
 
        transport = RemoteTransport('bzr://example.com/', medium=False,
1800
 
                                    _client=client)
1801
 
        exc = self.assertRaises(
1802
 
            errors.PermissionDenied, transport.mkdir, 'client path')
1803
 
        expected_error = errors.PermissionDenied('/client path', 'extra')
1804
 
        self.assertEqual(expected_error, exc)
1805
 
 
1806
 
 
1807
 
class TestRemoteSSHTransportAuthentication(tests.TestCaseInTempDir):
1808
 
 
1809
 
    def test_defaults_to_none(self):
1810
 
        t = RemoteSSHTransport('bzr+ssh://example.com')
1811
 
        self.assertIs(None, t._get_credentials()[0])
1812
 
 
1813
 
    def test_uses_authentication_config(self):
1814
 
        conf = config.AuthenticationConfig()
1815
 
        conf._get_config().update(
1816
 
            {'bzr+sshtest': {'scheme': 'ssh', 'user': 'bar', 'host':
1817
 
            'example.com'}})
1818
 
        conf._save()
1819
 
        t = RemoteSSHTransport('bzr+ssh://example.com')
1820
 
        self.assertEqual('bar', t._get_credentials()[0])
1821
 
 
1822
 
 
1823
 
class TestRemoteRepository(TestRemote):
1824
 
    """Base for testing RemoteRepository protocol usage.
1825
 
 
1826
 
    These tests contain frozen requests and responses.  We want any changes to
1827
 
    what is sent or expected to be require a thoughtful update to these tests
1828
 
    because they might break compatibility with different-versioned servers.
1829
 
    """
1830
 
 
1831
 
    def setup_fake_client_and_repository(self, transport_path):
1832
 
        """Create the fake client and repository for testing with.
1833
 
 
1834
 
        There's no real server here; we just have canned responses sent
1835
 
        back one by one.
1836
 
 
1837
 
        :param transport_path: Path below the root of the MemoryTransport
1838
 
            where the repository will be created.
1839
 
        """
1840
 
        transport = MemoryTransport()
1841
 
        transport.mkdir(transport_path)
1842
 
        client = FakeClient(transport.base)
1843
 
        transport = transport.clone(transport_path)
1844
 
        # we do not want bzrdir to make any remote calls
1845
 
        bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
1846
 
            _client=False)
1847
 
        repo = RemoteRepository(bzrdir, None, _client=client)
1848
 
        return repo, client
1849
 
 
1850
 
 
1851
 
def remoted_description(format):
1852
 
    return 'Remote: ' + format.get_format_description()
1853
 
 
1854
 
 
1855
 
class TestBranchFormat(tests.TestCase):
1856
 
 
1857
 
    def test_get_format_description(self):
1858
 
        remote_format = RemoteBranchFormat()
1859
 
        real_format = branch.BranchFormat.get_default_format()
1860
 
        remote_format._network_name = real_format.network_name()
1861
 
        self.assertEqual(remoted_description(real_format),
1862
 
            remote_format.get_format_description())
1863
 
 
1864
 
 
1865
 
class TestRepositoryFormat(TestRemoteRepository):
1866
 
 
1867
 
    def test_fast_delta(self):
1868
 
        true_name = groupcompress_repo.RepositoryFormatCHK1().network_name()
1869
 
        true_format = RemoteRepositoryFormat()
1870
 
        true_format._network_name = true_name
1871
 
        self.assertEqual(True, true_format.fast_deltas)
1872
 
        false_name = pack_repo.RepositoryFormatKnitPack1().network_name()
1873
 
        false_format = RemoteRepositoryFormat()
1874
 
        false_format._network_name = false_name
1875
 
        self.assertEqual(False, false_format.fast_deltas)
1876
 
 
1877
 
    def test_get_format_description(self):
1878
 
        remote_repo_format = RemoteRepositoryFormat()
1879
 
        real_format = repository.RepositoryFormat.get_default_format()
1880
 
        remote_repo_format._network_name = real_format.network_name()
1881
 
        self.assertEqual(remoted_description(real_format),
1882
 
            remote_repo_format.get_format_description())
1883
 
 
1884
 
 
1885
 
class TestRepositoryGatherStats(TestRemoteRepository):
1886
 
 
1887
 
    def test_revid_none(self):
1888
 
        # ('ok',), body with revisions and size
1889
 
        transport_path = 'quack'
1890
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
1891
 
        client.add_success_response_with_body(
1892
 
            'revisions: 2\nsize: 18\n', 'ok')
1893
 
        result = repo.gather_stats(None)
1894
 
        self.assertEqual(
1895
 
            [('call_expecting_body', 'Repository.gather_stats',
1896
 
             ('quack/','','no'))],
1897
 
            client._calls)
1898
 
        self.assertEqual({'revisions': 2, 'size': 18}, result)
1899
 
 
1900
 
    def test_revid_no_committers(self):
1901
 
        # ('ok',), body without committers
1902
 
        body = ('firstrev: 123456.300 3600\n'
1903
 
                'latestrev: 654231.400 0\n'
1904
 
                'revisions: 2\n'
1905
 
                'size: 18\n')
1906
 
        transport_path = 'quick'
1907
 
        revid = u'\xc8'.encode('utf8')
1908
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
1909
 
        client.add_success_response_with_body(body, 'ok')
1910
 
        result = repo.gather_stats(revid)
1911
 
        self.assertEqual(
1912
 
            [('call_expecting_body', 'Repository.gather_stats',
1913
 
              ('quick/', revid, 'no'))],
1914
 
            client._calls)
1915
 
        self.assertEqual({'revisions': 2, 'size': 18,
1916
 
                          'firstrev': (123456.300, 3600),
1917
 
                          'latestrev': (654231.400, 0),},
1918
 
                         result)
1919
 
 
1920
 
    def test_revid_with_committers(self):
1921
 
        # ('ok',), body with committers
1922
 
        body = ('committers: 128\n'
1923
 
                'firstrev: 123456.300 3600\n'
1924
 
                'latestrev: 654231.400 0\n'
1925
 
                'revisions: 2\n'
1926
 
                'size: 18\n')
1927
 
        transport_path = 'buick'
1928
 
        revid = u'\xc8'.encode('utf8')
1929
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
1930
 
        client.add_success_response_with_body(body, 'ok')
1931
 
        result = repo.gather_stats(revid, True)
1932
 
        self.assertEqual(
1933
 
            [('call_expecting_body', 'Repository.gather_stats',
1934
 
              ('buick/', revid, 'yes'))],
1935
 
            client._calls)
1936
 
        self.assertEqual({'revisions': 2, 'size': 18,
1937
 
                          'committers': 128,
1938
 
                          'firstrev': (123456.300, 3600),
1939
 
                          'latestrev': (654231.400, 0),},
1940
 
                         result)
1941
 
 
1942
 
 
1943
 
class TestRepositoryGetGraph(TestRemoteRepository):
1944
 
 
1945
 
    def test_get_graph(self):
1946
 
        # get_graph returns a graph with a custom parents provider.
1947
 
        transport_path = 'quack'
1948
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
1949
 
        graph = repo.get_graph()
1950
 
        self.assertNotEqual(graph._parents_provider, repo)
1951
 
 
1952
 
 
1953
 
class TestRepositoryGetParentMap(TestRemoteRepository):
1954
 
 
1955
 
    def test_get_parent_map_caching(self):
1956
 
        # get_parent_map returns from cache until unlock()
1957
 
        # setup a reponse with two revisions
1958
 
        r1 = u'\u0e33'.encode('utf8')
1959
 
        r2 = u'\u0dab'.encode('utf8')
1960
 
        lines = [' '.join([r2, r1]), r1]
1961
 
        encoded_body = bz2.compress('\n'.join(lines))
1962
 
 
1963
 
        transport_path = 'quack'
1964
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
1965
 
        client.add_success_response_with_body(encoded_body, 'ok')
1966
 
        client.add_success_response_with_body(encoded_body, 'ok')
1967
 
        repo.lock_read()
1968
 
        graph = repo.get_graph()
1969
 
        parents = graph.get_parent_map([r2])
1970
 
        self.assertEqual({r2: (r1,)}, parents)
1971
 
        # locking and unlocking deeper should not reset
1972
 
        repo.lock_read()
1973
 
        repo.unlock()
1974
 
        parents = graph.get_parent_map([r1])
1975
 
        self.assertEqual({r1: (NULL_REVISION,)}, parents)
1976
 
        self.assertEqual(
1977
 
            [('call_with_body_bytes_expecting_body',
1978
 
              'Repository.get_parent_map', ('quack/', 'include-missing:', r2),
1979
 
              '\n\n0')],
1980
 
            client._calls)
1981
 
        repo.unlock()
1982
 
        # now we call again, and it should use the second response.
1983
 
        repo.lock_read()
1984
 
        graph = repo.get_graph()
1985
 
        parents = graph.get_parent_map([r1])
1986
 
        self.assertEqual({r1: (NULL_REVISION,)}, parents)
1987
 
        self.assertEqual(
1988
 
            [('call_with_body_bytes_expecting_body',
1989
 
              'Repository.get_parent_map', ('quack/', 'include-missing:', r2),
1990
 
              '\n\n0'),
1991
 
             ('call_with_body_bytes_expecting_body',
1992
 
              'Repository.get_parent_map', ('quack/', 'include-missing:', r1),
1993
 
              '\n\n0'),
1994
 
            ],
1995
 
            client._calls)
1996
 
        repo.unlock()
1997
 
 
1998
 
    def test_get_parent_map_reconnects_if_unknown_method(self):
1999
 
        transport_path = 'quack'
2000
 
        rev_id = 'revision-id'
2001
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2002
 
        client.add_unknown_method_response('Repository.get_parent_map')
2003
 
        client.add_success_response_with_body(rev_id, 'ok')
2004
 
        self.assertFalse(client._medium._is_remote_before((1, 2)))
2005
 
        parents = repo.get_parent_map([rev_id])
2006
 
        self.assertEqual(
2007
 
            [('call_with_body_bytes_expecting_body',
2008
 
              'Repository.get_parent_map', ('quack/', 'include-missing:',
2009
 
              rev_id), '\n\n0'),
2010
 
             ('disconnect medium',),
2011
 
             ('call_expecting_body', 'Repository.get_revision_graph',
2012
 
              ('quack/', ''))],
2013
 
            client._calls)
2014
 
        # The medium is now marked as being connected to an older server
2015
 
        self.assertTrue(client._medium._is_remote_before((1, 2)))
2016
 
        self.assertEqual({rev_id: ('null:',)}, parents)
2017
 
 
2018
 
    def test_get_parent_map_fallback_parentless_node(self):
2019
 
        """get_parent_map falls back to get_revision_graph on old servers.  The
2020
 
        results from get_revision_graph are tweaked to match the get_parent_map
2021
 
        API.
2022
 
 
2023
 
        Specifically, a {key: ()} result from get_revision_graph means "no
2024
 
        parents" for that key, which in get_parent_map results should be
2025
 
        represented as {key: ('null:',)}.
2026
 
 
2027
 
        This is the test for https://bugs.launchpad.net/bzr/+bug/214894
2028
 
        """
2029
 
        rev_id = 'revision-id'
2030
 
        transport_path = 'quack'
2031
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2032
 
        client.add_success_response_with_body(rev_id, 'ok')
2033
 
        client._medium._remember_remote_is_before((1, 2))
2034
 
        parents = repo.get_parent_map([rev_id])
2035
 
        self.assertEqual(
2036
 
            [('call_expecting_body', 'Repository.get_revision_graph',
2037
 
             ('quack/', ''))],
2038
 
            client._calls)
2039
 
        self.assertEqual({rev_id: ('null:',)}, parents)
2040
 
 
2041
 
    def test_get_parent_map_unexpected_response(self):
2042
 
        repo, client = self.setup_fake_client_and_repository('path')
2043
 
        client.add_success_response('something unexpected!')
2044
 
        self.assertRaises(
2045
 
            errors.UnexpectedSmartServerResponse,
2046
 
            repo.get_parent_map, ['a-revision-id'])
2047
 
 
2048
 
    def test_get_parent_map_negative_caches_missing_keys(self):
2049
 
        self.setup_smart_server_with_call_log()
2050
 
        repo = self.make_repository('foo')
2051
 
        self.assertIsInstance(repo, RemoteRepository)
2052
 
        repo.lock_read()
2053
 
        self.addCleanup(repo.unlock)
2054
 
        self.reset_smart_call_log()
2055
 
        graph = repo.get_graph()
2056
 
        self.assertEqual({},
2057
 
            graph.get_parent_map(['some-missing', 'other-missing']))
2058
 
        self.assertLength(1, self.hpss_calls)
2059
 
        # No call if we repeat this
2060
 
        self.reset_smart_call_log()
2061
 
        graph = repo.get_graph()
2062
 
        self.assertEqual({},
2063
 
            graph.get_parent_map(['some-missing', 'other-missing']))
2064
 
        self.assertLength(0, self.hpss_calls)
2065
 
        # Asking for more unknown keys makes a request.
2066
 
        self.reset_smart_call_log()
2067
 
        graph = repo.get_graph()
2068
 
        self.assertEqual({},
2069
 
            graph.get_parent_map(['some-missing', 'other-missing',
2070
 
                'more-missing']))
2071
 
        self.assertLength(1, self.hpss_calls)
2072
 
 
2073
 
    def disableExtraResults(self):
2074
 
        self.overrideAttr(SmartServerRepositoryGetParentMap,
2075
 
                          'no_extra_results', True)
2076
 
 
2077
 
    def test_null_cached_missing_and_stop_key(self):
2078
 
        self.setup_smart_server_with_call_log()
2079
 
        # Make a branch with a single revision.
2080
 
        builder = self.make_branch_builder('foo')
2081
 
        builder.start_series()
2082
 
        builder.build_snapshot('first', None, [
2083
 
            ('add', ('', 'root-id', 'directory', ''))])
2084
 
        builder.finish_series()
2085
 
        branch = builder.get_branch()
2086
 
        repo = branch.repository
2087
 
        self.assertIsInstance(repo, RemoteRepository)
2088
 
        # Stop the server from sending extra results.
2089
 
        self.disableExtraResults()
2090
 
        repo.lock_read()
2091
 
        self.addCleanup(repo.unlock)
2092
 
        self.reset_smart_call_log()
2093
 
        graph = repo.get_graph()
2094
 
        # Query for 'first' and 'null:'.  Because 'null:' is a parent of
2095
 
        # 'first' it will be a candidate for the stop_keys of subsequent
2096
 
        # requests, and because 'null:' was queried but not returned it will be
2097
 
        # cached as missing.
2098
 
        self.assertEqual({'first': ('null:',)},
2099
 
            graph.get_parent_map(['first', 'null:']))
2100
 
        # Now query for another key.  This request will pass along a recipe of
2101
 
        # start and stop keys describing the already cached results, and this
2102
 
        # recipe's revision count must be correct (or else it will trigger an
2103
 
        # error from the server).
2104
 
        self.assertEqual({}, graph.get_parent_map(['another-key']))
2105
 
        # This assertion guards against disableExtraResults silently failing to
2106
 
        # work, thus invalidating the test.
2107
 
        self.assertLength(2, self.hpss_calls)
2108
 
 
2109
 
    def test_get_parent_map_gets_ghosts_from_result(self):
2110
 
        # asking for a revision should negatively cache close ghosts in its
2111
 
        # ancestry.
2112
 
        self.setup_smart_server_with_call_log()
2113
 
        tree = self.make_branch_and_memory_tree('foo')
2114
 
        tree.lock_write()
2115
 
        try:
2116
 
            builder = treebuilder.TreeBuilder()
2117
 
            builder.start_tree(tree)
2118
 
            builder.build([])
2119
 
            builder.finish_tree()
2120
 
            tree.set_parent_ids(['non-existant'], allow_leftmost_as_ghost=True)
2121
 
            rev_id = tree.commit('')
2122
 
        finally:
2123
 
            tree.unlock()
2124
 
        tree.lock_read()
2125
 
        self.addCleanup(tree.unlock)
2126
 
        repo = tree.branch.repository
2127
 
        self.assertIsInstance(repo, RemoteRepository)
2128
 
        # ask for rev_id
2129
 
        repo.get_parent_map([rev_id])
2130
 
        self.reset_smart_call_log()
2131
 
        # Now asking for rev_id's ghost parent should not make calls
2132
 
        self.assertEqual({}, repo.get_parent_map(['non-existant']))
2133
 
        self.assertLength(0, self.hpss_calls)
2134
 
 
2135
 
 
2136
 
class TestGetParentMapAllowsNew(tests.TestCaseWithTransport):
2137
 
 
2138
 
    def test_allows_new_revisions(self):
2139
 
        """get_parent_map's results can be updated by commit."""
2140
 
        smart_server = test_server.SmartTCPServer_for_testing()
2141
 
        self.start_server(smart_server)
2142
 
        self.make_branch('branch')
2143
 
        branch = Branch.open(smart_server.get_url() + '/branch')
2144
 
        tree = branch.create_checkout('tree', lightweight=True)
2145
 
        tree.lock_write()
2146
 
        self.addCleanup(tree.unlock)
2147
 
        graph = tree.branch.repository.get_graph()
2148
 
        # This provides an opportunity for the missing rev-id to be cached.
2149
 
        self.assertEqual({}, graph.get_parent_map(['rev1']))
2150
 
        tree.commit('message', rev_id='rev1')
2151
 
        graph = tree.branch.repository.get_graph()
2152
 
        self.assertEqual({'rev1': ('null:',)}, graph.get_parent_map(['rev1']))
2153
 
 
2154
 
 
2155
 
class TestRepositoryGetRevisionGraph(TestRemoteRepository):
2156
 
 
2157
 
    def test_null_revision(self):
2158
 
        # a null revision has the predictable result {}, we should have no wire
2159
 
        # traffic when calling it with this argument
2160
 
        transport_path = 'empty'
2161
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2162
 
        client.add_success_response('notused')
2163
 
        # actual RemoteRepository.get_revision_graph is gone, but there's an
2164
 
        # equivalent private method for testing
2165
 
        result = repo._get_revision_graph(NULL_REVISION)
2166
 
        self.assertEqual([], client._calls)
2167
 
        self.assertEqual({}, result)
2168
 
 
2169
 
    def test_none_revision(self):
2170
 
        # with none we want the entire graph
2171
 
        r1 = u'\u0e33'.encode('utf8')
2172
 
        r2 = u'\u0dab'.encode('utf8')
2173
 
        lines = [' '.join([r2, r1]), r1]
2174
 
        encoded_body = '\n'.join(lines)
2175
 
 
2176
 
        transport_path = 'sinhala'
2177
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2178
 
        client.add_success_response_with_body(encoded_body, 'ok')
2179
 
        # actual RemoteRepository.get_revision_graph is gone, but there's an
2180
 
        # equivalent private method for testing
2181
 
        result = repo._get_revision_graph(None)
2182
 
        self.assertEqual(
2183
 
            [('call_expecting_body', 'Repository.get_revision_graph',
2184
 
             ('sinhala/', ''))],
2185
 
            client._calls)
2186
 
        self.assertEqual({r1: (), r2: (r1, )}, result)
2187
 
 
2188
 
    def test_specific_revision(self):
2189
 
        # with a specific revision we want the graph for that
2190
 
        # with none we want the entire graph
2191
 
        r11 = u'\u0e33'.encode('utf8')
2192
 
        r12 = u'\xc9'.encode('utf8')
2193
 
        r2 = u'\u0dab'.encode('utf8')
2194
 
        lines = [' '.join([r2, r11, r12]), r11, r12]
2195
 
        encoded_body = '\n'.join(lines)
2196
 
 
2197
 
        transport_path = 'sinhala'
2198
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2199
 
        client.add_success_response_with_body(encoded_body, 'ok')
2200
 
        result = repo._get_revision_graph(r2)
2201
 
        self.assertEqual(
2202
 
            [('call_expecting_body', 'Repository.get_revision_graph',
2203
 
             ('sinhala/', r2))],
2204
 
            client._calls)
2205
 
        self.assertEqual({r11: (), r12: (), r2: (r11, r12), }, result)
2206
 
 
2207
 
    def test_no_such_revision(self):
2208
 
        revid = '123'
2209
 
        transport_path = 'sinhala'
2210
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2211
 
        client.add_error_response('nosuchrevision', revid)
2212
 
        # also check that the right revision is reported in the error
2213
 
        self.assertRaises(errors.NoSuchRevision,
2214
 
            repo._get_revision_graph, revid)
2215
 
        self.assertEqual(
2216
 
            [('call_expecting_body', 'Repository.get_revision_graph',
2217
 
             ('sinhala/', revid))],
2218
 
            client._calls)
2219
 
 
2220
 
    def test_unexpected_error(self):
2221
 
        revid = '123'
2222
 
        transport_path = 'sinhala'
2223
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2224
 
        client.add_error_response('AnUnexpectedError')
2225
 
        e = self.assertRaises(errors.UnknownErrorFromSmartServer,
2226
 
            repo._get_revision_graph, revid)
2227
 
        self.assertEqual(('AnUnexpectedError',), e.error_tuple)
2228
 
 
2229
 
 
2230
 
class TestRepositoryGetRevIdForRevno(TestRemoteRepository):
2231
 
 
2232
 
    def test_ok(self):
2233
 
        repo, client = self.setup_fake_client_and_repository('quack')
2234
 
        client.add_expected_call(
2235
 
            'Repository.get_rev_id_for_revno', ('quack/', 5, (42, 'rev-foo')),
2236
 
            'success', ('ok', 'rev-five'))
2237
 
        result = repo.get_rev_id_for_revno(5, (42, 'rev-foo'))
2238
 
        self.assertEqual((True, 'rev-five'), result)
2239
 
        self.assertFinished(client)
2240
 
 
2241
 
    def test_history_incomplete(self):
2242
 
        repo, client = self.setup_fake_client_and_repository('quack')
2243
 
        client.add_expected_call(
2244
 
            'Repository.get_rev_id_for_revno', ('quack/', 5, (42, 'rev-foo')),
2245
 
            'success', ('history-incomplete', 10, 'rev-ten'))
2246
 
        result = repo.get_rev_id_for_revno(5, (42, 'rev-foo'))
2247
 
        self.assertEqual((False, (10, 'rev-ten')), result)
2248
 
        self.assertFinished(client)
2249
 
 
2250
 
    def test_history_incomplete_with_fallback(self):
2251
 
        """A 'history-incomplete' response causes the fallback repository to be
2252
 
        queried too, if one is set.
2253
 
        """
2254
 
        # Make a repo with a fallback repo, both using a FakeClient.
2255
 
        format = remote.response_tuple_to_repo_format(
2256
 
            ('yes', 'no', 'yes', self.get_repo_format().network_name()))
2257
 
        repo, client = self.setup_fake_client_and_repository('quack')
2258
 
        repo._format = format
2259
 
        fallback_repo, ignored = self.setup_fake_client_and_repository(
2260
 
            'fallback')
2261
 
        fallback_repo._client = client
2262
 
        fallback_repo._format = format
2263
 
        repo.add_fallback_repository(fallback_repo)
2264
 
        # First the client should ask the primary repo
2265
 
        client.add_expected_call(
2266
 
            'Repository.get_rev_id_for_revno', ('quack/', 1, (42, 'rev-foo')),
2267
 
            'success', ('history-incomplete', 2, 'rev-two'))
2268
 
        # Then it should ask the fallback, using revno/revid from the
2269
 
        # history-incomplete response as the known revno/revid.
2270
 
        client.add_expected_call(
2271
 
            'Repository.get_rev_id_for_revno',('fallback/', 1, (2, 'rev-two')),
2272
 
            'success', ('ok', 'rev-one'))
2273
 
        result = repo.get_rev_id_for_revno(1, (42, 'rev-foo'))
2274
 
        self.assertEqual((True, 'rev-one'), result)
2275
 
        self.assertFinished(client)
2276
 
 
2277
 
    def test_nosuchrevision(self):
2278
 
        # 'nosuchrevision' is returned when the known-revid is not found in the
2279
 
        # remote repo.  The client translates that response to NoSuchRevision.
2280
 
        repo, client = self.setup_fake_client_and_repository('quack')
2281
 
        client.add_expected_call(
2282
 
            'Repository.get_rev_id_for_revno', ('quack/', 5, (42, 'rev-foo')),
2283
 
            'error', ('nosuchrevision', 'rev-foo'))
2284
 
        self.assertRaises(
2285
 
            errors.NoSuchRevision,
2286
 
            repo.get_rev_id_for_revno, 5, (42, 'rev-foo'))
2287
 
        self.assertFinished(client)
2288
 
 
2289
 
    def test_branch_fallback_locking(self):
2290
 
        """RemoteBranch.get_rev_id takes a read lock, and tries to call the
2291
 
        get_rev_id_for_revno verb.  If the verb is unknown the VFS fallback
2292
 
        will be invoked, which will fail if the repo is unlocked.
2293
 
        """
2294
 
        self.setup_smart_server_with_call_log()
2295
 
        tree = self.make_branch_and_memory_tree('.')
2296
 
        tree.lock_write()
2297
 
        tree.add('')
2298
 
        rev1 = tree.commit('First')
2299
 
        rev2 = tree.commit('Second')
2300
 
        tree.unlock()
2301
 
        branch = tree.branch
2302
 
        self.assertFalse(branch.is_locked())
2303
 
        self.reset_smart_call_log()
2304
 
        verb = 'Repository.get_rev_id_for_revno'
2305
 
        self.disable_verb(verb)
2306
 
        self.assertEqual(rev1, branch.get_rev_id(1))
2307
 
        self.assertLength(1, [call for call in self.hpss_calls if
2308
 
                              call.call.method == verb])
2309
 
 
2310
 
 
2311
 
class TestRepositoryIsShared(TestRemoteRepository):
2312
 
 
2313
 
    def test_is_shared(self):
2314
 
        # ('yes', ) for Repository.is_shared -> 'True'.
2315
 
        transport_path = 'quack'
2316
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2317
 
        client.add_success_response('yes')
2318
 
        result = repo.is_shared()
2319
 
        self.assertEqual(
2320
 
            [('call', 'Repository.is_shared', ('quack/',))],
2321
 
            client._calls)
2322
 
        self.assertEqual(True, result)
2323
 
 
2324
 
    def test_is_not_shared(self):
2325
 
        # ('no', ) for Repository.is_shared -> 'False'.
2326
 
        transport_path = 'qwack'
2327
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2328
 
        client.add_success_response('no')
2329
 
        result = repo.is_shared()
2330
 
        self.assertEqual(
2331
 
            [('call', 'Repository.is_shared', ('qwack/',))],
2332
 
            client._calls)
2333
 
        self.assertEqual(False, result)
2334
 
 
2335
 
 
2336
 
class TestRepositoryLockWrite(TestRemoteRepository):
2337
 
 
2338
 
    def test_lock_write(self):
2339
 
        transport_path = 'quack'
2340
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2341
 
        client.add_success_response('ok', 'a token')
2342
 
        token = repo.lock_write().repository_token
2343
 
        self.assertEqual(
2344
 
            [('call', 'Repository.lock_write', ('quack/', ''))],
2345
 
            client._calls)
2346
 
        self.assertEqual('a token', token)
2347
 
 
2348
 
    def test_lock_write_already_locked(self):
2349
 
        transport_path = 'quack'
2350
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2351
 
        client.add_error_response('LockContention')
2352
 
        self.assertRaises(errors.LockContention, repo.lock_write)
2353
 
        self.assertEqual(
2354
 
            [('call', 'Repository.lock_write', ('quack/', ''))],
2355
 
            client._calls)
2356
 
 
2357
 
    def test_lock_write_unlockable(self):
2358
 
        transport_path = 'quack'
2359
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2360
 
        client.add_error_response('UnlockableTransport')
2361
 
        self.assertRaises(errors.UnlockableTransport, repo.lock_write)
2362
 
        self.assertEqual(
2363
 
            [('call', 'Repository.lock_write', ('quack/', ''))],
2364
 
            client._calls)
2365
 
 
2366
 
 
2367
 
class TestRepositorySetMakeWorkingTrees(TestRemoteRepository):
2368
 
 
2369
 
    def test_backwards_compat(self):
2370
 
        self.setup_smart_server_with_call_log()
2371
 
        repo = self.make_repository('.')
2372
 
        self.reset_smart_call_log()
2373
 
        verb = 'Repository.set_make_working_trees'
2374
 
        self.disable_verb(verb)
2375
 
        repo.set_make_working_trees(True)
2376
 
        call_count = len([call for call in self.hpss_calls if
2377
 
            call.call.method == verb])
2378
 
        self.assertEqual(1, call_count)
2379
 
 
2380
 
    def test_current(self):
2381
 
        transport_path = 'quack'
2382
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2383
 
        client.add_expected_call(
2384
 
            'Repository.set_make_working_trees', ('quack/', 'True'),
2385
 
            'success', ('ok',))
2386
 
        client.add_expected_call(
2387
 
            'Repository.set_make_working_trees', ('quack/', 'False'),
2388
 
            'success', ('ok',))
2389
 
        repo.set_make_working_trees(True)
2390
 
        repo.set_make_working_trees(False)
2391
 
 
2392
 
 
2393
 
class TestRepositoryUnlock(TestRemoteRepository):
2394
 
 
2395
 
    def test_unlock(self):
2396
 
        transport_path = 'quack'
2397
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2398
 
        client.add_success_response('ok', 'a token')
2399
 
        client.add_success_response('ok')
2400
 
        repo.lock_write()
2401
 
        repo.unlock()
2402
 
        self.assertEqual(
2403
 
            [('call', 'Repository.lock_write', ('quack/', '')),
2404
 
             ('call', 'Repository.unlock', ('quack/', 'a token'))],
2405
 
            client._calls)
2406
 
 
2407
 
    def test_unlock_wrong_token(self):
2408
 
        # If somehow the token is wrong, unlock will raise TokenMismatch.
2409
 
        transport_path = 'quack'
2410
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2411
 
        client.add_success_response('ok', 'a token')
2412
 
        client.add_error_response('TokenMismatch')
2413
 
        repo.lock_write()
2414
 
        self.assertRaises(errors.TokenMismatch, repo.unlock)
2415
 
 
2416
 
 
2417
 
class TestRepositoryHasRevision(TestRemoteRepository):
2418
 
 
2419
 
    def test_none(self):
2420
 
        # repo.has_revision(None) should not cause any traffic.
2421
 
        transport_path = 'quack'
2422
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2423
 
 
2424
 
        # The null revision is always there, so has_revision(None) == True.
2425
 
        self.assertEqual(True, repo.has_revision(NULL_REVISION))
2426
 
 
2427
 
        # The remote repo shouldn't be accessed.
2428
 
        self.assertEqual([], client._calls)
2429
 
 
2430
 
 
2431
 
class TestRepositoryInsertStreamBase(TestRemoteRepository):
2432
 
    """Base class for Repository.insert_stream and .insert_stream_1.19
2433
 
    tests.
2434
 
    """
2435
 
    
2436
 
    def checkInsertEmptyStream(self, repo, client):
2437
 
        """Insert an empty stream, checking the result.
2438
 
 
2439
 
        This checks that there are no resume_tokens or missing_keys, and that
2440
 
        the client is finished.
2441
 
        """
2442
 
        sink = repo._get_sink()
2443
 
        fmt = repository.RepositoryFormat.get_default_format()
2444
 
        resume_tokens, missing_keys = sink.insert_stream([], fmt, [])
2445
 
        self.assertEqual([], resume_tokens)
2446
 
        self.assertEqual(set(), missing_keys)
2447
 
        self.assertFinished(client)
2448
 
 
2449
 
 
2450
 
class TestRepositoryInsertStream(TestRepositoryInsertStreamBase):
2451
 
    """Tests for using Repository.insert_stream verb when the _1.19 variant is
2452
 
    not available.
2453
 
 
2454
 
    This test case is very similar to TestRepositoryInsertStream_1_19.
2455
 
    """
2456
 
 
2457
 
    def setUp(self):
2458
 
        TestRemoteRepository.setUp(self)
2459
 
        self.disable_verb('Repository.insert_stream_1.19')
2460
 
 
2461
 
    def test_unlocked_repo(self):
2462
 
        transport_path = 'quack'
2463
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2464
 
        client.add_expected_call(
2465
 
            'Repository.insert_stream_1.19', ('quack/', ''),
2466
 
            'unknown', ('Repository.insert_stream_1.19',))
2467
 
        client.add_expected_call(
2468
 
            'Repository.insert_stream', ('quack/', ''),
2469
 
            'success', ('ok',))
2470
 
        client.add_expected_call(
2471
 
            'Repository.insert_stream', ('quack/', ''),
2472
 
            'success', ('ok',))
2473
 
        self.checkInsertEmptyStream(repo, client)
2474
 
 
2475
 
    def test_locked_repo_with_no_lock_token(self):
2476
 
        transport_path = 'quack'
2477
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2478
 
        client.add_expected_call(
2479
 
            'Repository.lock_write', ('quack/', ''),
2480
 
            'success', ('ok', ''))
2481
 
        client.add_expected_call(
2482
 
            'Repository.insert_stream_1.19', ('quack/', ''),
2483
 
            'unknown', ('Repository.insert_stream_1.19',))
2484
 
        client.add_expected_call(
2485
 
            'Repository.insert_stream', ('quack/', ''),
2486
 
            'success', ('ok',))
2487
 
        client.add_expected_call(
2488
 
            'Repository.insert_stream', ('quack/', ''),
2489
 
            'success', ('ok',))
2490
 
        repo.lock_write()
2491
 
        self.checkInsertEmptyStream(repo, client)
2492
 
 
2493
 
    def test_locked_repo_with_lock_token(self):
2494
 
        transport_path = 'quack'
2495
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2496
 
        client.add_expected_call(
2497
 
            'Repository.lock_write', ('quack/', ''),
2498
 
            'success', ('ok', 'a token'))
2499
 
        client.add_expected_call(
2500
 
            'Repository.insert_stream_1.19', ('quack/', '', 'a token'),
2501
 
            'unknown', ('Repository.insert_stream_1.19',))
2502
 
        client.add_expected_call(
2503
 
            'Repository.insert_stream_locked', ('quack/', '', 'a token'),
2504
 
            'success', ('ok',))
2505
 
        client.add_expected_call(
2506
 
            'Repository.insert_stream_locked', ('quack/', '', 'a token'),
2507
 
            'success', ('ok',))
2508
 
        repo.lock_write()
2509
 
        self.checkInsertEmptyStream(repo, client)
2510
 
 
2511
 
    def test_stream_with_inventory_deltas(self):
2512
 
        """'inventory-deltas' substreams cannot be sent to the
2513
 
        Repository.insert_stream verb, because not all servers that implement
2514
 
        that verb will accept them.  So when one is encountered the RemoteSink
2515
 
        immediately stops using that verb and falls back to VFS insert_stream.
2516
 
        """
2517
 
        transport_path = 'quack'
2518
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2519
 
        client.add_expected_call(
2520
 
            'Repository.insert_stream_1.19', ('quack/', ''),
2521
 
            'unknown', ('Repository.insert_stream_1.19',))
2522
 
        client.add_expected_call(
2523
 
            'Repository.insert_stream', ('quack/', ''),
2524
 
            'success', ('ok',))
2525
 
        client.add_expected_call(
2526
 
            'Repository.insert_stream', ('quack/', ''),
2527
 
            'success', ('ok',))
2528
 
        # Create a fake real repository for insert_stream to fall back on, so
2529
 
        # that we can directly see the records the RemoteSink passes to the
2530
 
        # real sink.
2531
 
        class FakeRealSink:
2532
 
            def __init__(self):
2533
 
                self.records = []
2534
 
            def insert_stream(self, stream, src_format, resume_tokens):
2535
 
                for substream_kind, substream in stream:
2536
 
                    self.records.append(
2537
 
                        (substream_kind, [record.key for record in substream]))
2538
 
                return ['fake tokens'], ['fake missing keys']
2539
 
        fake_real_sink = FakeRealSink()
2540
 
        class FakeRealRepository:
2541
 
            def _get_sink(self):
2542
 
                return fake_real_sink
2543
 
            def is_in_write_group(self):
2544
 
                return False
2545
 
            def refresh_data(self):
2546
 
                return True
2547
 
        repo._real_repository = FakeRealRepository()
2548
 
        sink = repo._get_sink()
2549
 
        fmt = repository.RepositoryFormat.get_default_format()
2550
 
        stream = self.make_stream_with_inv_deltas(fmt)
2551
 
        resume_tokens, missing_keys = sink.insert_stream(stream, fmt, [])
2552
 
        # Every record from the first inventory delta should have been sent to
2553
 
        # the VFS sink.
2554
 
        expected_records = [
2555
 
            ('inventory-deltas', [('rev2',), ('rev3',)]),
2556
 
            ('texts', [('some-rev', 'some-file')])]
2557
 
        self.assertEqual(expected_records, fake_real_sink.records)
2558
 
        # The return values from the real sink's insert_stream are propagated
2559
 
        # back to the original caller.
2560
 
        self.assertEqual(['fake tokens'], resume_tokens)
2561
 
        self.assertEqual(['fake missing keys'], missing_keys)
2562
 
        self.assertFinished(client)
2563
 
 
2564
 
    def make_stream_with_inv_deltas(self, fmt):
2565
 
        """Make a simple stream with an inventory delta followed by more
2566
 
        records and more substreams to test that all records and substreams
2567
 
        from that point on are used.
2568
 
 
2569
 
        This sends, in order:
2570
 
           * inventories substream: rev1, rev2, rev3.  rev2 and rev3 are
2571
 
             inventory-deltas.
2572
 
           * texts substream: (some-rev, some-file)
2573
 
        """
2574
 
        # Define a stream using generators so that it isn't rewindable.
2575
 
        inv = inventory.Inventory(revision_id='rev1')
2576
 
        inv.root.revision = 'rev1'
2577
 
        def stream_with_inv_delta():
2578
 
            yield ('inventories', inventories_substream())
2579
 
            yield ('inventory-deltas', inventory_delta_substream())
2580
 
            yield ('texts', [
2581
 
                versionedfile.FulltextContentFactory(
2582
 
                    ('some-rev', 'some-file'), (), None, 'content')])
2583
 
        def inventories_substream():
2584
 
            # An empty inventory fulltext.  This will be streamed normally.
2585
 
            text = fmt._serializer.write_inventory_to_string(inv)
2586
 
            yield versionedfile.FulltextContentFactory(
2587
 
                ('rev1',), (), None, text)
2588
 
        def inventory_delta_substream():
2589
 
            # An inventory delta.  This can't be streamed via this verb, so it
2590
 
            # will trigger a fallback to VFS insert_stream.
2591
 
            entry = inv.make_entry(
2592
 
                'directory', 'newdir', inv.root.file_id, 'newdir-id')
2593
 
            entry.revision = 'ghost'
2594
 
            delta = [(None, 'newdir', 'newdir-id', entry)]
2595
 
            serializer = inventory_delta.InventoryDeltaSerializer(
2596
 
                versioned_root=True, tree_references=False)
2597
 
            lines = serializer.delta_to_lines('rev1', 'rev2', delta)
2598
 
            yield versionedfile.ChunkedContentFactory(
2599
 
                ('rev2',), (('rev1',)), None, lines)
2600
 
            # Another delta.
2601
 
            lines = serializer.delta_to_lines('rev1', 'rev3', delta)
2602
 
            yield versionedfile.ChunkedContentFactory(
2603
 
                ('rev3',), (('rev1',)), None, lines)
2604
 
        return stream_with_inv_delta()
2605
 
 
2606
 
 
2607
 
class TestRepositoryInsertStream_1_19(TestRepositoryInsertStreamBase):
2608
 
 
2609
 
    def test_unlocked_repo(self):
2610
 
        transport_path = 'quack'
2611
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2612
 
        client.add_expected_call(
2613
 
            'Repository.insert_stream_1.19', ('quack/', ''),
2614
 
            'success', ('ok',))
2615
 
        client.add_expected_call(
2616
 
            'Repository.insert_stream_1.19', ('quack/', ''),
2617
 
            'success', ('ok',))
2618
 
        self.checkInsertEmptyStream(repo, client)
2619
 
 
2620
 
    def test_locked_repo_with_no_lock_token(self):
2621
 
        transport_path = 'quack'
2622
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2623
 
        client.add_expected_call(
2624
 
            'Repository.lock_write', ('quack/', ''),
2625
 
            'success', ('ok', ''))
2626
 
        client.add_expected_call(
2627
 
            'Repository.insert_stream_1.19', ('quack/', ''),
2628
 
            'success', ('ok',))
2629
 
        client.add_expected_call(
2630
 
            'Repository.insert_stream_1.19', ('quack/', ''),
2631
 
            'success', ('ok',))
2632
 
        repo.lock_write()
2633
 
        self.checkInsertEmptyStream(repo, client)
2634
 
 
2635
 
    def test_locked_repo_with_lock_token(self):
2636
 
        transport_path = 'quack'
2637
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2638
 
        client.add_expected_call(
2639
 
            'Repository.lock_write', ('quack/', ''),
2640
 
            'success', ('ok', 'a token'))
2641
 
        client.add_expected_call(
2642
 
            'Repository.insert_stream_1.19', ('quack/', '', 'a token'),
2643
 
            'success', ('ok',))
2644
 
        client.add_expected_call(
2645
 
            'Repository.insert_stream_1.19', ('quack/', '', 'a token'),
2646
 
            'success', ('ok',))
2647
 
        repo.lock_write()
2648
 
        self.checkInsertEmptyStream(repo, client)
2649
 
 
2650
 
 
2651
 
class TestRepositoryTarball(TestRemoteRepository):
2652
 
 
2653
 
    # This is a canned tarball reponse we can validate against
2654
 
    tarball_content = (
2655
 
        'QlpoOTFBWSZTWdGkj3wAAWF/k8aQACBIB//A9+8cIX/v33AACEAYABAECEACNz'
2656
 
        'JqsgJJFPTSnk1A3qh6mTQAAAANPUHkagkSTEkaA09QaNAAAGgAAAcwCYCZGAEY'
2657
 
        'mJhMJghpiaYBUkKammSHqNMZQ0NABkNAeo0AGneAevnlwQoGzEzNVzaYxp/1Uk'
2658
 
        'xXzA1CQX0BJMZZLcPBrluJir5SQyijWHYZ6ZUtVqqlYDdB2QoCwa9GyWwGYDMA'
2659
 
        'OQYhkpLt/OKFnnlT8E0PmO8+ZNSo2WWqeCzGB5fBXZ3IvV7uNJVE7DYnWj6qwB'
2660
 
        'k5DJDIrQ5OQHHIjkS9KqwG3mc3t+F1+iujb89ufyBNIKCgeZBWrl5cXxbMGoMs'
2661
 
        'c9JuUkg5YsiVcaZJurc6KLi6yKOkgCUOlIlOpOoXyrTJjK8ZgbklReDdwGmFgt'
2662
 
        'dkVsAIslSVCd4AtACSLbyhLHryfb14PKegrVDba+U8OL6KQtzdM5HLjAc8/p6n'
2663
 
        '0lgaWU8skgO7xupPTkyuwheSckejFLK5T4ZOo0Gda9viaIhpD1Qn7JqqlKAJqC'
2664
 
        'QplPKp2nqBWAfwBGaOwVrz3y1T+UZZNismXHsb2Jq18T+VaD9k4P8DqE3g70qV'
2665
 
        'JLurpnDI6VS5oqDDPVbtVjMxMxMg4rzQVipn2Bv1fVNK0iq3Gl0hhnnHKm/egy'
2666
 
        'nWQ7QH/F3JFOFCQ0aSPfA='
2667
 
        ).decode('base64')
2668
 
 
2669
 
    def test_repository_tarball(self):
2670
 
        # Test that Repository.tarball generates the right operations
2671
 
        transport_path = 'repo'
2672
 
        expected_calls = [('call_expecting_body', 'Repository.tarball',
2673
 
                           ('repo/', 'bz2',),),
2674
 
            ]
2675
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2676
 
        client.add_success_response_with_body(self.tarball_content, 'ok')
2677
 
        # Now actually ask for the tarball
2678
 
        tarball_file = repo._get_tarball('bz2')
2679
 
        try:
2680
 
            self.assertEqual(expected_calls, client._calls)
2681
 
            self.assertEqual(self.tarball_content, tarball_file.read())
2682
 
        finally:
2683
 
            tarball_file.close()
2684
 
 
2685
 
 
2686
 
class TestRemoteRepositoryCopyContent(tests.TestCaseWithTransport):
2687
 
    """RemoteRepository.copy_content_into optimizations"""
2688
 
 
2689
 
    def test_copy_content_remote_to_local(self):
2690
 
        self.transport_server = test_server.SmartTCPServer_for_testing
2691
 
        src_repo = self.make_repository('repo1')
2692
 
        src_repo = repository.Repository.open(self.get_url('repo1'))
2693
 
        # At the moment the tarball-based copy_content_into can't write back
2694
 
        # into a smart server.  It would be good if it could upload the
2695
 
        # tarball; once that works we'd have to create repositories of
2696
 
        # different formats. -- mbp 20070410
2697
 
        dest_url = self.get_vfs_only_url('repo2')
2698
 
        dest_bzrdir = BzrDir.create(dest_url)
2699
 
        dest_repo = dest_bzrdir.create_repository()
2700
 
        self.assertFalse(isinstance(dest_repo, RemoteRepository))
2701
 
        self.assertTrue(isinstance(src_repo, RemoteRepository))
2702
 
        src_repo.copy_content_into(dest_repo)
2703
 
 
2704
 
 
2705
 
class _StubRealPackRepository(object):
2706
 
 
2707
 
    def __init__(self, calls):
2708
 
        self.calls = calls
2709
 
        self._pack_collection = _StubPackCollection(calls)
2710
 
 
2711
 
    def is_in_write_group(self):
2712
 
        return False
2713
 
 
2714
 
    def refresh_data(self):
2715
 
        self.calls.append(('pack collection reload_pack_names',))
2716
 
 
2717
 
 
2718
 
class _StubPackCollection(object):
2719
 
 
2720
 
    def __init__(self, calls):
2721
 
        self.calls = calls
2722
 
 
2723
 
    def autopack(self):
2724
 
        self.calls.append(('pack collection autopack',))
2725
 
 
2726
 
 
2727
 
class TestRemotePackRepositoryAutoPack(TestRemoteRepository):
2728
 
    """Tests for RemoteRepository.autopack implementation."""
2729
 
 
2730
 
    def test_ok(self):
2731
 
        """When the server returns 'ok' and there's no _real_repository, then
2732
 
        nothing else happens: the autopack method is done.
2733
 
        """
2734
 
        transport_path = 'quack'
2735
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2736
 
        client.add_expected_call(
2737
 
            'PackRepository.autopack', ('quack/',), 'success', ('ok',))
2738
 
        repo.autopack()
2739
 
        self.assertFinished(client)
2740
 
 
2741
 
    def test_ok_with_real_repo(self):
2742
 
        """When the server returns 'ok' and there is a _real_repository, then
2743
 
        the _real_repository's reload_pack_name's method will be called.
2744
 
        """
2745
 
        transport_path = 'quack'
2746
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2747
 
        client.add_expected_call(
2748
 
            'PackRepository.autopack', ('quack/',),
2749
 
            'success', ('ok',))
2750
 
        repo._real_repository = _StubRealPackRepository(client._calls)
2751
 
        repo.autopack()
2752
 
        self.assertEqual(
2753
 
            [('call', 'PackRepository.autopack', ('quack/',)),
2754
 
             ('pack collection reload_pack_names',)],
2755
 
            client._calls)
2756
 
 
2757
 
    def test_backwards_compatibility(self):
2758
 
        """If the server does not recognise the PackRepository.autopack verb,
2759
 
        fallback to the real_repository's implementation.
2760
 
        """
2761
 
        transport_path = 'quack'
2762
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
2763
 
        client.add_unknown_method_response('PackRepository.autopack')
2764
 
        def stub_ensure_real():
2765
 
            client._calls.append(('_ensure_real',))
2766
 
            repo._real_repository = _StubRealPackRepository(client._calls)
2767
 
        repo._ensure_real = stub_ensure_real
2768
 
        repo.autopack()
2769
 
        self.assertEqual(
2770
 
            [('call', 'PackRepository.autopack', ('quack/',)),
2771
 
             ('_ensure_real',),
2772
 
             ('pack collection autopack',)],
2773
 
            client._calls)
2774
 
 
2775
 
 
2776
 
class TestErrorTranslationBase(tests.TestCaseWithMemoryTransport):
2777
 
    """Base class for unit tests for bzrlib.remote._translate_error."""
2778
 
 
2779
 
    def translateTuple(self, error_tuple, **context):
2780
 
        """Call _translate_error with an ErrorFromSmartServer built from the
2781
 
        given error_tuple.
2782
 
 
2783
 
        :param error_tuple: A tuple of a smart server response, as would be
2784
 
            passed to an ErrorFromSmartServer.
2785
 
        :kwargs context: context items to call _translate_error with.
2786
 
 
2787
 
        :returns: The error raised by _translate_error.
2788
 
        """
2789
 
        # Raise the ErrorFromSmartServer before passing it as an argument,
2790
 
        # because _translate_error may need to re-raise it with a bare 'raise'
2791
 
        # statement.
2792
 
        server_error = errors.ErrorFromSmartServer(error_tuple)
2793
 
        translated_error = self.translateErrorFromSmartServer(
2794
 
            server_error, **context)
2795
 
        return translated_error
2796
 
 
2797
 
    def translateErrorFromSmartServer(self, error_object, **context):
2798
 
        """Like translateTuple, but takes an already constructed
2799
 
        ErrorFromSmartServer rather than a tuple.
2800
 
        """
2801
 
        try:
2802
 
            raise error_object
2803
 
        except errors.ErrorFromSmartServer, server_error:
2804
 
            translated_error = self.assertRaises(
2805
 
                errors.BzrError, remote._translate_error, server_error,
2806
 
                **context)
2807
 
        return translated_error
2808
 
 
2809
 
 
2810
 
class TestErrorTranslationSuccess(TestErrorTranslationBase):
2811
 
    """Unit tests for bzrlib.remote._translate_error.
2812
 
 
2813
 
    Given an ErrorFromSmartServer (which has an error tuple from a smart
2814
 
    server) and some context, _translate_error raises more specific errors from
2815
 
    bzrlib.errors.
2816
 
 
2817
 
    This test case covers the cases where _translate_error succeeds in
2818
 
    translating an ErrorFromSmartServer to something better.  See
2819
 
    TestErrorTranslationRobustness for other cases.
2820
 
    """
2821
 
 
2822
 
    def test_NoSuchRevision(self):
2823
 
        branch = self.make_branch('')
2824
 
        revid = 'revid'
2825
 
        translated_error = self.translateTuple(
2826
 
            ('NoSuchRevision', revid), branch=branch)
2827
 
        expected_error = errors.NoSuchRevision(branch, revid)
2828
 
        self.assertEqual(expected_error, translated_error)
2829
 
 
2830
 
    def test_nosuchrevision(self):
2831
 
        repository = self.make_repository('')
2832
 
        revid = 'revid'
2833
 
        translated_error = self.translateTuple(
2834
 
            ('nosuchrevision', revid), repository=repository)
2835
 
        expected_error = errors.NoSuchRevision(repository, revid)
2836
 
        self.assertEqual(expected_error, translated_error)
2837
 
 
2838
 
    def test_nobranch(self):
2839
 
        bzrdir = self.make_bzrdir('')
2840
 
        translated_error = self.translateTuple(('nobranch',), bzrdir=bzrdir)
2841
 
        expected_error = errors.NotBranchError(path=bzrdir.root_transport.base)
2842
 
        self.assertEqual(expected_error, translated_error)
2843
 
 
2844
 
    def test_nobranch_one_arg(self):
2845
 
        bzrdir = self.make_bzrdir('')
2846
 
        translated_error = self.translateTuple(
2847
 
            ('nobranch', 'extra detail'), bzrdir=bzrdir)
2848
 
        expected_error = errors.NotBranchError(
2849
 
            path=bzrdir.root_transport.base,
2850
 
            detail='extra detail')
2851
 
        self.assertEqual(expected_error, translated_error)
2852
 
 
2853
 
    def test_LockContention(self):
2854
 
        translated_error = self.translateTuple(('LockContention',))
2855
 
        expected_error = errors.LockContention('(remote lock)')
2856
 
        self.assertEqual(expected_error, translated_error)
2857
 
 
2858
 
    def test_UnlockableTransport(self):
2859
 
        bzrdir = self.make_bzrdir('')
2860
 
        translated_error = self.translateTuple(
2861
 
            ('UnlockableTransport',), bzrdir=bzrdir)
2862
 
        expected_error = errors.UnlockableTransport(bzrdir.root_transport)
2863
 
        self.assertEqual(expected_error, translated_error)
2864
 
 
2865
 
    def test_LockFailed(self):
2866
 
        lock = 'str() of a server lock'
2867
 
        why = 'str() of why'
2868
 
        translated_error = self.translateTuple(('LockFailed', lock, why))
2869
 
        expected_error = errors.LockFailed(lock, why)
2870
 
        self.assertEqual(expected_error, translated_error)
2871
 
 
2872
 
    def test_TokenMismatch(self):
2873
 
        token = 'a lock token'
2874
 
        translated_error = self.translateTuple(('TokenMismatch',), token=token)
2875
 
        expected_error = errors.TokenMismatch(token, '(remote token)')
2876
 
        self.assertEqual(expected_error, translated_error)
2877
 
 
2878
 
    def test_Diverged(self):
2879
 
        branch = self.make_branch('a')
2880
 
        other_branch = self.make_branch('b')
2881
 
        translated_error = self.translateTuple(
2882
 
            ('Diverged',), branch=branch, other_branch=other_branch)
2883
 
        expected_error = errors.DivergedBranches(branch, other_branch)
2884
 
        self.assertEqual(expected_error, translated_error)
2885
 
 
2886
 
    def test_ReadError_no_args(self):
2887
 
        path = 'a path'
2888
 
        translated_error = self.translateTuple(('ReadError',), path=path)
2889
 
        expected_error = errors.ReadError(path)
2890
 
        self.assertEqual(expected_error, translated_error)
2891
 
 
2892
 
    def test_ReadError(self):
2893
 
        path = 'a path'
2894
 
        translated_error = self.translateTuple(('ReadError', path))
2895
 
        expected_error = errors.ReadError(path)
2896
 
        self.assertEqual(expected_error, translated_error)
2897
 
 
2898
 
    def test_IncompatibleRepositories(self):
2899
 
        translated_error = self.translateTuple(('IncompatibleRepositories',
2900
 
            "repo1", "repo2", "details here"))
2901
 
        expected_error = errors.IncompatibleRepositories("repo1", "repo2",
2902
 
            "details here")
2903
 
        self.assertEqual(expected_error, translated_error)
2904
 
 
2905
 
    def test_PermissionDenied_no_args(self):
2906
 
        path = 'a path'
2907
 
        translated_error = self.translateTuple(('PermissionDenied',), path=path)
2908
 
        expected_error = errors.PermissionDenied(path)
2909
 
        self.assertEqual(expected_error, translated_error)
2910
 
 
2911
 
    def test_PermissionDenied_one_arg(self):
2912
 
        path = 'a path'
2913
 
        translated_error = self.translateTuple(('PermissionDenied', path))
2914
 
        expected_error = errors.PermissionDenied(path)
2915
 
        self.assertEqual(expected_error, translated_error)
2916
 
 
2917
 
    def test_PermissionDenied_one_arg_and_context(self):
2918
 
        """Given a choice between a path from the local context and a path on
2919
 
        the wire, _translate_error prefers the path from the local context.
2920
 
        """
2921
 
        local_path = 'local path'
2922
 
        remote_path = 'remote path'
2923
 
        translated_error = self.translateTuple(
2924
 
            ('PermissionDenied', remote_path), path=local_path)
2925
 
        expected_error = errors.PermissionDenied(local_path)
2926
 
        self.assertEqual(expected_error, translated_error)
2927
 
 
2928
 
    def test_PermissionDenied_two_args(self):
2929
 
        path = 'a path'
2930
 
        extra = 'a string with extra info'
2931
 
        translated_error = self.translateTuple(
2932
 
            ('PermissionDenied', path, extra))
2933
 
        expected_error = errors.PermissionDenied(path, extra)
2934
 
        self.assertEqual(expected_error, translated_error)
2935
 
 
2936
 
 
2937
 
class TestErrorTranslationRobustness(TestErrorTranslationBase):
2938
 
    """Unit tests for bzrlib.remote._translate_error's robustness.
2939
 
 
2940
 
    TestErrorTranslationSuccess is for cases where _translate_error can
2941
 
    translate successfully.  This class about how _translate_err behaves when
2942
 
    it fails to translate: it re-raises the original error.
2943
 
    """
2944
 
 
2945
 
    def test_unrecognised_server_error(self):
2946
 
        """If the error code from the server is not recognised, the original
2947
 
        ErrorFromSmartServer is propagated unmodified.
2948
 
        """
2949
 
        error_tuple = ('An unknown error tuple',)
2950
 
        server_error = errors.ErrorFromSmartServer(error_tuple)
2951
 
        translated_error = self.translateErrorFromSmartServer(server_error)
2952
 
        expected_error = errors.UnknownErrorFromSmartServer(server_error)
2953
 
        self.assertEqual(expected_error, translated_error)
2954
 
 
2955
 
    def test_context_missing_a_key(self):
2956
 
        """In case of a bug in the client, or perhaps an unexpected response
2957
 
        from a server, _translate_error returns the original error tuple from
2958
 
        the server and mutters a warning.
2959
 
        """
2960
 
        # To translate a NoSuchRevision error _translate_error needs a 'branch'
2961
 
        # in the context dict.  So let's give it an empty context dict instead
2962
 
        # to exercise its error recovery.
2963
 
        empty_context = {}
2964
 
        error_tuple = ('NoSuchRevision', 'revid')
2965
 
        server_error = errors.ErrorFromSmartServer(error_tuple)
2966
 
        translated_error = self.translateErrorFromSmartServer(server_error)
2967
 
        self.assertEqual(server_error, translated_error)
2968
 
        # In addition to re-raising ErrorFromSmartServer, some debug info has
2969
 
        # been muttered to the log file for developer to look at.
2970
 
        self.assertContainsRe(
2971
 
            self.get_log(),
2972
 
            "Missing key 'branch' in context")
2973
 
 
2974
 
    def test_path_missing(self):
2975
 
        """Some translations (PermissionDenied, ReadError) can determine the
2976
 
        'path' variable from either the wire or the local context.  If neither
2977
 
        has it, then an error is raised.
2978
 
        """
2979
 
        error_tuple = ('ReadError',)
2980
 
        server_error = errors.ErrorFromSmartServer(error_tuple)
2981
 
        translated_error = self.translateErrorFromSmartServer(server_error)
2982
 
        self.assertEqual(server_error, translated_error)
2983
 
        # In addition to re-raising ErrorFromSmartServer, some debug info has
2984
 
        # been muttered to the log file for developer to look at.
2985
 
        self.assertContainsRe(self.get_log(), "Missing key 'path' in context")
2986
 
 
2987
 
 
2988
 
class TestStacking(tests.TestCaseWithTransport):
2989
 
    """Tests for operations on stacked remote repositories.
2990
 
 
2991
 
    The underlying format type must support stacking.
2992
 
    """
2993
 
 
2994
 
    def test_access_stacked_remote(self):
2995
 
        # based on <http://launchpad.net/bugs/261315>
2996
 
        # make a branch stacked on another repository containing an empty
2997
 
        # revision, then open it over hpss - we should be able to see that
2998
 
        # revision.
2999
 
        base_transport = self.get_transport()
3000
 
        base_builder = self.make_branch_builder('base', format='1.9')
3001
 
        base_builder.start_series()
3002
 
        base_revid = base_builder.build_snapshot('rev-id', None,
3003
 
            [('add', ('', None, 'directory', None))],
3004
 
            'message')
3005
 
        base_builder.finish_series()
3006
 
        stacked_branch = self.make_branch('stacked', format='1.9')
3007
 
        stacked_branch.set_stacked_on_url('../base')
3008
 
        # start a server looking at this
3009
 
        smart_server = test_server.SmartTCPServer_for_testing()
3010
 
        self.start_server(smart_server)
3011
 
        remote_bzrdir = BzrDir.open(smart_server.get_url() + '/stacked')
3012
 
        # can get its branch and repository
3013
 
        remote_branch = remote_bzrdir.open_branch()
3014
 
        remote_repo = remote_branch.repository
3015
 
        remote_repo.lock_read()
3016
 
        try:
3017
 
            # it should have an appropriate fallback repository, which should also
3018
 
            # be a RemoteRepository
3019
 
            self.assertLength(1, remote_repo._fallback_repositories)
3020
 
            self.assertIsInstance(remote_repo._fallback_repositories[0],
3021
 
                RemoteRepository)
3022
 
            # and it has the revision committed to the underlying repository;
3023
 
            # these have varying implementations so we try several of them
3024
 
            self.assertTrue(remote_repo.has_revisions([base_revid]))
3025
 
            self.assertTrue(remote_repo.has_revision(base_revid))
3026
 
            self.assertEqual(remote_repo.get_revision(base_revid).message,
3027
 
                'message')
3028
 
        finally:
3029
 
            remote_repo.unlock()
3030
 
 
3031
 
    def prepare_stacked_remote_branch(self):
3032
 
        """Get stacked_upon and stacked branches with content in each."""
3033
 
        self.setup_smart_server_with_call_log()
3034
 
        tree1 = self.make_branch_and_tree('tree1', format='1.9')
3035
 
        tree1.commit('rev1', rev_id='rev1')
3036
 
        tree2 = tree1.branch.bzrdir.sprout('tree2', stacked=True
3037
 
            ).open_workingtree()
3038
 
        local_tree = tree2.branch.create_checkout('local')
3039
 
        local_tree.commit('local changes make me feel good.')
3040
 
        branch2 = Branch.open(self.get_url('tree2'))
3041
 
        branch2.lock_read()
3042
 
        self.addCleanup(branch2.unlock)
3043
 
        return tree1.branch, branch2
3044
 
 
3045
 
    def test_stacked_get_parent_map(self):
3046
 
        # the public implementation of get_parent_map obeys stacking
3047
 
        _, branch = self.prepare_stacked_remote_branch()
3048
 
        repo = branch.repository
3049
 
        self.assertEqual(['rev1'], repo.get_parent_map(['rev1']).keys())
3050
 
 
3051
 
    def test_unstacked_get_parent_map(self):
3052
 
        # _unstacked_provider.get_parent_map ignores stacking
3053
 
        _, branch = self.prepare_stacked_remote_branch()
3054
 
        provider = branch.repository._unstacked_provider
3055
 
        self.assertEqual([], provider.get_parent_map(['rev1']).keys())
3056
 
 
3057
 
    def fetch_stream_to_rev_order(self, stream):
3058
 
        result = []
3059
 
        for kind, substream in stream:
3060
 
            if not kind == 'revisions':
3061
 
                list(substream)
3062
 
            else:
3063
 
                for content in substream:
3064
 
                    result.append(content.key[-1])
3065
 
        return result
3066
 
 
3067
 
    def get_ordered_revs(self, format, order, branch_factory=None):
3068
 
        """Get a list of the revisions in a stream to format format.
3069
 
 
3070
 
        :param format: The format of the target.
3071
 
        :param order: the order that target should have requested.
3072
 
        :param branch_factory: A callable to create a trunk and stacked branch
3073
 
            to fetch from. If none, self.prepare_stacked_remote_branch is used.
3074
 
        :result: The revision ids in the stream, in the order seen,
3075
 
            the topological order of revisions in the source.
3076
 
        """
3077
 
        unordered_format = bzrdir.format_registry.get(format)()
3078
 
        target_repository_format = unordered_format.repository_format
3079
 
        # Cross check
3080
 
        self.assertEqual(order, target_repository_format._fetch_order)
3081
 
        if branch_factory is None:
3082
 
            branch_factory = self.prepare_stacked_remote_branch
3083
 
        _, stacked = branch_factory()
3084
 
        source = stacked.repository._get_source(target_repository_format)
3085
 
        tip = stacked.last_revision()
3086
 
        revs = stacked.repository.get_ancestry(tip)
3087
 
        search = graph.PendingAncestryResult([tip], stacked.repository)
3088
 
        self.reset_smart_call_log()
3089
 
        stream = source.get_stream(search)
3090
 
        if None in revs:
3091
 
            revs.remove(None)
3092
 
        # We trust that if a revision is in the stream the rest of the new
3093
 
        # content for it is too, as per our main fetch tests; here we are
3094
 
        # checking that the revisions are actually included at all, and their
3095
 
        # order.
3096
 
        return self.fetch_stream_to_rev_order(stream), revs
3097
 
 
3098
 
    def test_stacked_get_stream_unordered(self):
3099
 
        # Repository._get_source.get_stream() from a stacked repository with
3100
 
        # unordered yields the full data from both stacked and stacked upon
3101
 
        # sources.
3102
 
        rev_ord, expected_revs = self.get_ordered_revs('1.9', 'unordered')
3103
 
        self.assertEqual(set(expected_revs), set(rev_ord))
3104
 
        # Getting unordered results should have made a streaming data request
3105
 
        # from the server, then one from the backing branch.
3106
 
        self.assertLength(2, self.hpss_calls)
3107
 
 
3108
 
    def test_stacked_on_stacked_get_stream_unordered(self):
3109
 
        # Repository._get_source.get_stream() from a stacked repository which
3110
 
        # is itself stacked yields the full data from all three sources.
3111
 
        def make_stacked_stacked():
3112
 
            _, stacked = self.prepare_stacked_remote_branch()
3113
 
            tree = stacked.bzrdir.sprout('tree3', stacked=True
3114
 
                ).open_workingtree()
3115
 
            local_tree = tree.branch.create_checkout('local-tree3')
3116
 
            local_tree.commit('more local changes are better')
3117
 
            branch = Branch.open(self.get_url('tree3'))
3118
 
            branch.lock_read()
3119
 
            self.addCleanup(branch.unlock)
3120
 
            return None, branch
3121
 
        rev_ord, expected_revs = self.get_ordered_revs('1.9', 'unordered',
3122
 
            branch_factory=make_stacked_stacked)
3123
 
        self.assertEqual(set(expected_revs), set(rev_ord))
3124
 
        # Getting unordered results should have made a streaming data request
3125
 
        # from the server, and one from each backing repo
3126
 
        self.assertLength(3, self.hpss_calls)
3127
 
 
3128
 
    def test_stacked_get_stream_topological(self):
3129
 
        # Repository._get_source.get_stream() from a stacked repository with
3130
 
        # topological sorting yields the full data from both stacked and
3131
 
        # stacked upon sources in topological order.
3132
 
        rev_ord, expected_revs = self.get_ordered_revs('knit', 'topological')
3133
 
        self.assertEqual(expected_revs, rev_ord)
3134
 
        # Getting topological sort requires VFS calls still - one of which is
3135
 
        # pushing up from the bound branch.
3136
 
        self.assertLength(13, self.hpss_calls)
3137
 
 
3138
 
    def test_stacked_get_stream_groupcompress(self):
3139
 
        # Repository._get_source.get_stream() from a stacked repository with
3140
 
        # groupcompress sorting yields the full data from both stacked and
3141
 
        # stacked upon sources in groupcompress order.
3142
 
        raise tests.TestSkipped('No groupcompress ordered format available')
3143
 
        rev_ord, expected_revs = self.get_ordered_revs('dev5', 'groupcompress')
3144
 
        self.assertEqual(expected_revs, reversed(rev_ord))
3145
 
        # Getting unordered results should have made a streaming data request
3146
 
        # from the backing branch, and one from the stacked on branch.
3147
 
        self.assertLength(2, self.hpss_calls)
3148
 
 
3149
 
    def test_stacked_pull_more_than_stacking_has_bug_360791(self):
3150
 
        # When pulling some fixed amount of content that is more than the
3151
 
        # source has (because some is coming from a fallback branch, no error
3152
 
        # should be received. This was reported as bug 360791.
3153
 
        # Need three branches: a trunk, a stacked branch, and a preexisting
3154
 
        # branch pulling content from stacked and trunk.
3155
 
        self.setup_smart_server_with_call_log()
3156
 
        trunk = self.make_branch_and_tree('trunk', format="1.9-rich-root")
3157
 
        r1 = trunk.commit('start')
3158
 
        stacked_branch = trunk.branch.create_clone_on_transport(
3159
 
            self.get_transport('stacked'), stacked_on=trunk.branch.base)
3160
 
        local = self.make_branch('local', format='1.9-rich-root')
3161
 
        local.repository.fetch(stacked_branch.repository,
3162
 
            stacked_branch.last_revision())
3163
 
 
3164
 
 
3165
 
class TestRemoteBranchEffort(tests.TestCaseWithTransport):
3166
 
 
3167
 
    def setUp(self):
3168
 
        super(TestRemoteBranchEffort, self).setUp()
3169
 
        # Create a smart server that publishes whatever the backing VFS server
3170
 
        # does.
3171
 
        self.smart_server = test_server.SmartTCPServer_for_testing()
3172
 
        self.start_server(self.smart_server, self.get_server())
3173
 
        # Log all HPSS calls into self.hpss_calls.
3174
 
        _SmartClient.hooks.install_named_hook(
3175
 
            'call', self.capture_hpss_call, None)
3176
 
        self.hpss_calls = []
3177
 
 
3178
 
    def capture_hpss_call(self, params):
3179
 
        self.hpss_calls.append(params.method)
3180
 
 
3181
 
    def test_copy_content_into_avoids_revision_history(self):
3182
 
        local = self.make_branch('local')
3183
 
        remote_backing_tree = self.make_branch_and_tree('remote')
3184
 
        remote_backing_tree.commit("Commit.")
3185
 
        remote_branch_url = self.smart_server.get_url() + 'remote'
3186
 
        remote_branch = bzrdir.BzrDir.open(remote_branch_url).open_branch()
3187
 
        local.repository.fetch(remote_branch.repository)
3188
 
        self.hpss_calls = []
3189
 
        remote_branch.copy_content_into(local)
3190
 
        self.assertFalse('Branch.revision_history' in self.hpss_calls)