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  • Committer: Aaron Bentley
  • Date: 2009-04-03 20:05:25 UTC
  • mto: This revision was merged to the branch mainline in revision 4266.
  • Revision ID: aaron@aaronbentley.com-20090403200525-5vcdyhnjrlsqd6dr
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1
# Copyright (C) 2006, 2007, 2008, 2009 Canonical Ltd
 
2
#
 
3
# This program is free software; you can redistribute it and/or modify
 
4
# it under the terms of the GNU General Public License as published by
 
5
# the Free Software Foundation; either version 2 of the License, or
 
6
# (at your option) any later version.
 
7
#
 
8
# This program is distributed in the hope that it will be useful,
 
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
11
# GNU General Public License for more details.
 
12
#
 
13
# You should have received a copy of the GNU General Public License
 
14
# along with this program; if not, write to the Free Software
 
15
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
16
 
 
17
"""Tests for remote bzrdir/branch/repo/etc
 
18
 
 
19
These are proxy objects which act on remote objects by sending messages
 
20
through a smart client.  The proxies are to be created when attempting to open
 
21
the object given a transport that supports smartserver rpc operations.
 
22
 
 
23
These tests correspond to tests.test_smart, which exercises the server side.
 
24
"""
 
25
 
 
26
import bz2
 
27
from cStringIO import StringIO
 
28
 
 
29
from bzrlib import (
 
30
    bzrdir,
 
31
    config,
 
32
    errors,
 
33
    graph,
 
34
    pack,
 
35
    remote,
 
36
    repository,
 
37
    smart,
 
38
    tests,
 
39
    treebuilder,
 
40
    urlutils,
 
41
    )
 
42
from bzrlib.branch import Branch
 
43
from bzrlib.bzrdir import BzrDir, BzrDirFormat
 
44
from bzrlib.remote import (
 
45
    RemoteBranch,
 
46
    RemoteBranchFormat,
 
47
    RemoteBzrDir,
 
48
    RemoteBzrDirFormat,
 
49
    RemoteRepository,
 
50
    RemoteRepositoryFormat,
 
51
    )
 
52
from bzrlib.repofmt import pack_repo
 
53
from bzrlib.revision import NULL_REVISION
 
54
from bzrlib.smart import server, medium
 
55
from bzrlib.smart.client import _SmartClient
 
56
from bzrlib.smart.repository import SmartServerRepositoryGetParentMap
 
57
from bzrlib.tests import (
 
58
    condition_isinstance,
 
59
    split_suite_by_condition,
 
60
    multiply_tests,
 
61
    )
 
62
from bzrlib.transport import get_transport, http
 
63
from bzrlib.transport.memory import MemoryTransport
 
64
from bzrlib.transport.remote import (
 
65
    RemoteTransport,
 
66
    RemoteSSHTransport,
 
67
    RemoteTCPTransport,
 
68
)
 
69
 
 
70
def load_tests(standard_tests, module, loader):
 
71
    to_adapt, result = split_suite_by_condition(
 
72
        standard_tests, condition_isinstance(BasicRemoteObjectTests))
 
73
    smart_server_version_scenarios = [
 
74
        ('HPSS-v2',
 
75
            {'transport_server': server.SmartTCPServer_for_testing_v2_only}),
 
76
        ('HPSS-v3',
 
77
            {'transport_server': server.SmartTCPServer_for_testing})]
 
78
    return multiply_tests(to_adapt, smart_server_version_scenarios, result)
 
79
 
 
80
 
 
81
class BasicRemoteObjectTests(tests.TestCaseWithTransport):
 
82
 
 
83
    def setUp(self):
 
84
        super(BasicRemoteObjectTests, self).setUp()
 
85
        self.transport = self.get_transport()
 
86
        # make a branch that can be opened over the smart transport
 
87
        self.local_wt = BzrDir.create_standalone_workingtree('.')
 
88
 
 
89
    def tearDown(self):
 
90
        self.transport.disconnect()
 
91
        tests.TestCaseWithTransport.tearDown(self)
 
92
 
 
93
    def test_create_remote_bzrdir(self):
 
94
        b = remote.RemoteBzrDir(self.transport, remote.RemoteBzrDirFormat())
 
95
        self.assertIsInstance(b, BzrDir)
 
96
 
 
97
    def test_open_remote_branch(self):
 
98
        # open a standalone branch in the working directory
 
99
        b = remote.RemoteBzrDir(self.transport, remote.RemoteBzrDirFormat())
 
100
        branch = b.open_branch()
 
101
        self.assertIsInstance(branch, Branch)
 
102
 
 
103
    def test_remote_repository(self):
 
104
        b = BzrDir.open_from_transport(self.transport)
 
105
        repo = b.open_repository()
 
106
        revid = u'\xc823123123'.encode('utf8')
 
107
        self.assertFalse(repo.has_revision(revid))
 
108
        self.local_wt.commit(message='test commit', rev_id=revid)
 
109
        self.assertTrue(repo.has_revision(revid))
 
110
 
 
111
    def test_remote_branch_revision_history(self):
 
112
        b = BzrDir.open_from_transport(self.transport).open_branch()
 
113
        self.assertEqual([], b.revision_history())
 
114
        r1 = self.local_wt.commit('1st commit')
 
115
        r2 = self.local_wt.commit('1st commit', rev_id=u'\xc8'.encode('utf8'))
 
116
        self.assertEqual([r1, r2], b.revision_history())
 
117
 
 
118
    def test_find_correct_format(self):
 
119
        """Should open a RemoteBzrDir over a RemoteTransport"""
 
120
        fmt = BzrDirFormat.find_format(self.transport)
 
121
        self.assertTrue(RemoteBzrDirFormat
 
122
                        in BzrDirFormat._control_server_formats)
 
123
        self.assertIsInstance(fmt, remote.RemoteBzrDirFormat)
 
124
 
 
125
    def test_open_detected_smart_format(self):
 
126
        fmt = BzrDirFormat.find_format(self.transport)
 
127
        d = fmt.open(self.transport)
 
128
        self.assertIsInstance(d, BzrDir)
 
129
 
 
130
    def test_remote_branch_repr(self):
 
131
        b = BzrDir.open_from_transport(self.transport).open_branch()
 
132
        self.assertStartsWith(str(b), 'RemoteBranch(')
 
133
 
 
134
    def test_remote_branch_format_supports_stacking(self):
 
135
        t = self.transport
 
136
        self.make_branch('unstackable', format='pack-0.92')
 
137
        b = BzrDir.open_from_transport(t.clone('unstackable')).open_branch()
 
138
        self.assertFalse(b._format.supports_stacking())
 
139
        self.make_branch('stackable', format='1.9')
 
140
        b = BzrDir.open_from_transport(t.clone('stackable')).open_branch()
 
141
        self.assertTrue(b._format.supports_stacking())
 
142
 
 
143
    def test_remote_repo_format_supports_external_references(self):
 
144
        t = self.transport
 
145
        bd = self.make_bzrdir('unstackable', format='pack-0.92')
 
146
        r = bd.create_repository()
 
147
        self.assertFalse(r._format.supports_external_lookups)
 
148
        r = BzrDir.open_from_transport(t.clone('unstackable')).open_repository()
 
149
        self.assertFalse(r._format.supports_external_lookups)
 
150
        bd = self.make_bzrdir('stackable', format='1.9')
 
151
        r = bd.create_repository()
 
152
        self.assertTrue(r._format.supports_external_lookups)
 
153
        r = BzrDir.open_from_transport(t.clone('stackable')).open_repository()
 
154
        self.assertTrue(r._format.supports_external_lookups)
 
155
 
 
156
 
 
157
class FakeProtocol(object):
 
158
    """Lookalike SmartClientRequestProtocolOne allowing body reading tests."""
 
159
 
 
160
    def __init__(self, body, fake_client):
 
161
        self.body = body
 
162
        self._body_buffer = None
 
163
        self._fake_client = fake_client
 
164
 
 
165
    def read_body_bytes(self, count=-1):
 
166
        if self._body_buffer is None:
 
167
            self._body_buffer = StringIO(self.body)
 
168
        bytes = self._body_buffer.read(count)
 
169
        if self._body_buffer.tell() == len(self._body_buffer.getvalue()):
 
170
            self._fake_client.expecting_body = False
 
171
        return bytes
 
172
 
 
173
    def cancel_read_body(self):
 
174
        self._fake_client.expecting_body = False
 
175
 
 
176
    def read_streamed_body(self):
 
177
        return self.body
 
178
 
 
179
 
 
180
class FakeClient(_SmartClient):
 
181
    """Lookalike for _SmartClient allowing testing."""
 
182
 
 
183
    def __init__(self, fake_medium_base='fake base'):
 
184
        """Create a FakeClient."""
 
185
        self.responses = []
 
186
        self._calls = []
 
187
        self.expecting_body = False
 
188
        # if non-None, this is the list of expected calls, with only the
 
189
        # method name and arguments included.  the body might be hard to
 
190
        # compute so is not included. If a call is None, that call can
 
191
        # be anything.
 
192
        self._expected_calls = None
 
193
        _SmartClient.__init__(self, FakeMedium(self._calls, fake_medium_base))
 
194
 
 
195
    def add_expected_call(self, call_name, call_args, response_type,
 
196
        response_args, response_body=None):
 
197
        if self._expected_calls is None:
 
198
            self._expected_calls = []
 
199
        self._expected_calls.append((call_name, call_args))
 
200
        self.responses.append((response_type, response_args, response_body))
 
201
 
 
202
    def add_success_response(self, *args):
 
203
        self.responses.append(('success', args, None))
 
204
 
 
205
    def add_success_response_with_body(self, body, *args):
 
206
        self.responses.append(('success', args, body))
 
207
        if self._expected_calls is not None:
 
208
            self._expected_calls.append(None)
 
209
 
 
210
    def add_error_response(self, *args):
 
211
        self.responses.append(('error', args))
 
212
 
 
213
    def add_unknown_method_response(self, verb):
 
214
        self.responses.append(('unknown', verb))
 
215
 
 
216
    def finished_test(self):
 
217
        if self._expected_calls:
 
218
            raise AssertionError("%r finished but was still expecting %r"
 
219
                % (self, self._expected_calls[0]))
 
220
 
 
221
    def _get_next_response(self):
 
222
        try:
 
223
            response_tuple = self.responses.pop(0)
 
224
        except IndexError, e:
 
225
            raise AssertionError("%r didn't expect any more calls"
 
226
                % (self,))
 
227
        if response_tuple[0] == 'unknown':
 
228
            raise errors.UnknownSmartMethod(response_tuple[1])
 
229
        elif response_tuple[0] == 'error':
 
230
            raise errors.ErrorFromSmartServer(response_tuple[1])
 
231
        return response_tuple
 
232
 
 
233
    def _check_call(self, method, args):
 
234
        if self._expected_calls is None:
 
235
            # the test should be updated to say what it expects
 
236
            return
 
237
        try:
 
238
            next_call = self._expected_calls.pop(0)
 
239
        except IndexError:
 
240
            raise AssertionError("%r didn't expect any more calls "
 
241
                "but got %r%r"
 
242
                % (self, method, args,))
 
243
        if next_call is None:
 
244
            return
 
245
        if method != next_call[0] or args != next_call[1]:
 
246
            raise AssertionError("%r expected %r%r "
 
247
                "but got %r%r"
 
248
                % (self, next_call[0], next_call[1], method, args,))
 
249
 
 
250
    def call(self, method, *args):
 
251
        self._check_call(method, args)
 
252
        self._calls.append(('call', method, args))
 
253
        return self._get_next_response()[1]
 
254
 
 
255
    def call_expecting_body(self, method, *args):
 
256
        self._check_call(method, args)
 
257
        self._calls.append(('call_expecting_body', method, args))
 
258
        result = self._get_next_response()
 
259
        self.expecting_body = True
 
260
        return result[1], FakeProtocol(result[2], self)
 
261
 
 
262
    def call_with_body_bytes_expecting_body(self, method, args, body):
 
263
        self._check_call(method, args)
 
264
        self._calls.append(('call_with_body_bytes_expecting_body', method,
 
265
            args, body))
 
266
        result = self._get_next_response()
 
267
        self.expecting_body = True
 
268
        return result[1], FakeProtocol(result[2], self)
 
269
 
 
270
    def call_with_body_stream(self, args, stream):
 
271
        # Explicitly consume the stream before checking for an error, because
 
272
        # that's what happens a real medium.
 
273
        stream = list(stream)
 
274
        self._check_call(args[0], args[1:])
 
275
        self._calls.append(('call_with_body_stream', args[0], args[1:], stream))
 
276
        result = self._get_next_response()
 
277
        # The second value returned from call_with_body_stream is supposed to
 
278
        # be a response_handler object, but so far no tests depend on that.
 
279
        response_handler = None 
 
280
        return result[1], response_handler
 
281
 
 
282
 
 
283
class FakeMedium(medium.SmartClientMedium):
 
284
 
 
285
    def __init__(self, client_calls, base):
 
286
        medium.SmartClientMedium.__init__(self, base)
 
287
        self._client_calls = client_calls
 
288
 
 
289
    def disconnect(self):
 
290
        self._client_calls.append(('disconnect medium',))
 
291
 
 
292
 
 
293
class TestVfsHas(tests.TestCase):
 
294
 
 
295
    def test_unicode_path(self):
 
296
        client = FakeClient('/')
 
297
        client.add_success_response('yes',)
 
298
        transport = RemoteTransport('bzr://localhost/', _client=client)
 
299
        filename = u'/hell\u00d8'.encode('utf8')
 
300
        result = transport.has(filename)
 
301
        self.assertEqual(
 
302
            [('call', 'has', (filename,))],
 
303
            client._calls)
 
304
        self.assertTrue(result)
 
305
 
 
306
 
 
307
class TestRemote(tests.TestCaseWithMemoryTransport):
 
308
 
 
309
    def get_branch_format(self):
 
310
        reference_bzrdir_format = bzrdir.format_registry.get('default')()
 
311
        return reference_bzrdir_format.get_branch_format()
 
312
 
 
313
    def get_repo_format(self):
 
314
        reference_bzrdir_format = bzrdir.format_registry.get('default')()
 
315
        return reference_bzrdir_format.repository_format
 
316
 
 
317
    def disable_verb(self, verb):
 
318
        """Disable a verb for one test."""
 
319
        request_handlers = smart.request.request_handlers
 
320
        orig_method = request_handlers.get(verb)
 
321
        request_handlers.remove(verb)
 
322
        def restoreVerb():
 
323
            request_handlers.register(verb, orig_method)
 
324
        self.addCleanup(restoreVerb)
 
325
 
 
326
 
 
327
class Test_ClientMedium_remote_path_from_transport(tests.TestCase):
 
328
    """Tests for the behaviour of client_medium.remote_path_from_transport."""
 
329
 
 
330
    def assertRemotePath(self, expected, client_base, transport_base):
 
331
        """Assert that the result of
 
332
        SmartClientMedium.remote_path_from_transport is the expected value for
 
333
        a given client_base and transport_base.
 
334
        """
 
335
        client_medium = medium.SmartClientMedium(client_base)
 
336
        transport = get_transport(transport_base)
 
337
        result = client_medium.remote_path_from_transport(transport)
 
338
        self.assertEqual(expected, result)
 
339
 
 
340
    def test_remote_path_from_transport(self):
 
341
        """SmartClientMedium.remote_path_from_transport calculates a URL for
 
342
        the given transport relative to the root of the client base URL.
 
343
        """
 
344
        self.assertRemotePath('xyz/', 'bzr://host/path', 'bzr://host/xyz')
 
345
        self.assertRemotePath(
 
346
            'path/xyz/', 'bzr://host/path', 'bzr://host/path/xyz')
 
347
 
 
348
    def assertRemotePathHTTP(self, expected, transport_base, relpath):
 
349
        """Assert that the result of
 
350
        HttpTransportBase.remote_path_from_transport is the expected value for
 
351
        a given transport_base and relpath of that transport.  (Note that
 
352
        HttpTransportBase is a subclass of SmartClientMedium)
 
353
        """
 
354
        base_transport = get_transport(transport_base)
 
355
        client_medium = base_transport.get_smart_medium()
 
356
        cloned_transport = base_transport.clone(relpath)
 
357
        result = client_medium.remote_path_from_transport(cloned_transport)
 
358
        self.assertEqual(expected, result)
 
359
 
 
360
    def test_remote_path_from_transport_http(self):
 
361
        """Remote paths for HTTP transports are calculated differently to other
 
362
        transports.  They are just relative to the client base, not the root
 
363
        directory of the host.
 
364
        """
 
365
        for scheme in ['http:', 'https:', 'bzr+http:', 'bzr+https:']:
 
366
            self.assertRemotePathHTTP(
 
367
                '../xyz/', scheme + '//host/path', '../xyz/')
 
368
            self.assertRemotePathHTTP(
 
369
                'xyz/', scheme + '//host/path', 'xyz/')
 
370
 
 
371
 
 
372
class Test_ClientMedium_remote_is_at_least(tests.TestCase):
 
373
    """Tests for the behaviour of client_medium.remote_is_at_least."""
 
374
 
 
375
    def test_initially_unlimited(self):
 
376
        """A fresh medium assumes that the remote side supports all
 
377
        versions.
 
378
        """
 
379
        client_medium = medium.SmartClientMedium('dummy base')
 
380
        self.assertFalse(client_medium._is_remote_before((99, 99)))
 
381
 
 
382
    def test__remember_remote_is_before(self):
 
383
        """Calling _remember_remote_is_before ratchets down the known remote
 
384
        version.
 
385
        """
 
386
        client_medium = medium.SmartClientMedium('dummy base')
 
387
        # Mark the remote side as being less than 1.6.  The remote side may
 
388
        # still be 1.5.
 
389
        client_medium._remember_remote_is_before((1, 6))
 
390
        self.assertTrue(client_medium._is_remote_before((1, 6)))
 
391
        self.assertFalse(client_medium._is_remote_before((1, 5)))
 
392
        # Calling _remember_remote_is_before again with a lower value works.
 
393
        client_medium._remember_remote_is_before((1, 5))
 
394
        self.assertTrue(client_medium._is_remote_before((1, 5)))
 
395
        # You cannot call _remember_remote_is_before with a larger value.
 
396
        self.assertRaises(
 
397
            AssertionError, client_medium._remember_remote_is_before, (1, 9))
 
398
 
 
399
 
 
400
class TestBzrDirCloningMetaDir(TestRemote):
 
401
 
 
402
    def test_backwards_compat(self):
 
403
        self.setup_smart_server_with_call_log()
 
404
        a_dir = self.make_bzrdir('.')
 
405
        self.reset_smart_call_log()
 
406
        verb = 'BzrDir.cloning_metadir'
 
407
        self.disable_verb(verb)
 
408
        format = a_dir.cloning_metadir()
 
409
        call_count = len([call for call in self.hpss_calls if
 
410
            call.call.method == verb])
 
411
        self.assertEqual(1, call_count)
 
412
 
 
413
    def test_branch_reference(self):
 
414
        transport = self.get_transport('quack')
 
415
        referenced = self.make_branch('referenced')
 
416
        expected = referenced.bzrdir.cloning_metadir()
 
417
        client = FakeClient(transport.base)
 
418
        client.add_expected_call(
 
419
            'BzrDir.cloning_metadir', ('quack/', 'False'),
 
420
            'error', ('BranchReference',)),
 
421
        client.add_expected_call(
 
422
            'BzrDir.open_branchV2', ('quack/',),
 
423
            'success', ('ref', self.get_url('referenced'))),
 
424
        a_bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
 
425
            _client=client)
 
426
        result = a_bzrdir.cloning_metadir()
 
427
        # We should have got a control dir matching the referenced branch.
 
428
        self.assertEqual(bzrdir.BzrDirMetaFormat1, type(result))
 
429
        self.assertEqual(expected._repository_format, result._repository_format)
 
430
        self.assertEqual(expected._branch_format, result._branch_format)
 
431
        client.finished_test()
 
432
 
 
433
    def test_current_server(self):
 
434
        transport = self.get_transport('.')
 
435
        transport = transport.clone('quack')
 
436
        self.make_bzrdir('quack')
 
437
        client = FakeClient(transport.base)
 
438
        reference_bzrdir_format = bzrdir.format_registry.get('default')()
 
439
        control_name = reference_bzrdir_format.network_name()
 
440
        client.add_expected_call(
 
441
            'BzrDir.cloning_metadir', ('quack/', 'False'),
 
442
            'success', (control_name, '', ('branch', ''))),
 
443
        a_bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
 
444
            _client=client)
 
445
        result = a_bzrdir.cloning_metadir()
 
446
        # We should have got a reference control dir with default branch and
 
447
        # repository formats.
 
448
        # This pokes a little, just to be sure.
 
449
        self.assertEqual(bzrdir.BzrDirMetaFormat1, type(result))
 
450
        self.assertEqual(None, result._repository_format)
 
451
        self.assertEqual(None, result._branch_format)
 
452
        client.finished_test()
 
453
 
 
454
 
 
455
class TestBzrDirOpenBranch(TestRemote):
 
456
 
 
457
    def test_backwards_compat(self):
 
458
        self.setup_smart_server_with_call_log()
 
459
        self.make_branch('.')
 
460
        a_dir = BzrDir.open(self.get_url('.'))
 
461
        self.reset_smart_call_log()
 
462
        verb = 'BzrDir.open_branchV2'
 
463
        self.disable_verb(verb)
 
464
        format = a_dir.open_branch()
 
465
        call_count = len([call for call in self.hpss_calls if
 
466
            call.call.method == verb])
 
467
        self.assertEqual(1, call_count)
 
468
 
 
469
    def test_branch_present(self):
 
470
        reference_format = self.get_repo_format()
 
471
        network_name = reference_format.network_name()
 
472
        branch_network_name = self.get_branch_format().network_name()
 
473
        transport = MemoryTransport()
 
474
        transport.mkdir('quack')
 
475
        transport = transport.clone('quack')
 
476
        client = FakeClient(transport.base)
 
477
        client.add_expected_call(
 
478
            'BzrDir.open_branchV2', ('quack/',),
 
479
            'success', ('branch', branch_network_name))
 
480
        client.add_expected_call(
 
481
            'BzrDir.find_repositoryV3', ('quack/',),
 
482
            'success', ('ok', '', 'no', 'no', 'no', network_name))
 
483
        client.add_expected_call(
 
484
            'Branch.get_stacked_on_url', ('quack/',),
 
485
            'error', ('NotStacked',))
 
486
        bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
 
487
            _client=client)
 
488
        result = bzrdir.open_branch()
 
489
        self.assertIsInstance(result, RemoteBranch)
 
490
        self.assertEqual(bzrdir, result.bzrdir)
 
491
        client.finished_test()
 
492
 
 
493
    def test_branch_missing(self):
 
494
        transport = MemoryTransport()
 
495
        transport.mkdir('quack')
 
496
        transport = transport.clone('quack')
 
497
        client = FakeClient(transport.base)
 
498
        client.add_error_response('nobranch')
 
499
        bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
 
500
            _client=client)
 
501
        self.assertRaises(errors.NotBranchError, bzrdir.open_branch)
 
502
        self.assertEqual(
 
503
            [('call', 'BzrDir.open_branchV2', ('quack/',))],
 
504
            client._calls)
 
505
 
 
506
    def test__get_tree_branch(self):
 
507
        # _get_tree_branch is a form of open_branch, but it should only ask for
 
508
        # branch opening, not any other network requests.
 
509
        calls = []
 
510
        def open_branch():
 
511
            calls.append("Called")
 
512
            return "a-branch"
 
513
        transport = MemoryTransport()
 
514
        # no requests on the network - catches other api calls being made.
 
515
        client = FakeClient(transport.base)
 
516
        bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
 
517
            _client=client)
 
518
        # patch the open_branch call to record that it was called.
 
519
        bzrdir.open_branch = open_branch
 
520
        self.assertEqual((None, "a-branch"), bzrdir._get_tree_branch())
 
521
        self.assertEqual(["Called"], calls)
 
522
        self.assertEqual([], client._calls)
 
523
 
 
524
    def test_url_quoting_of_path(self):
 
525
        # Relpaths on the wire should not be URL-escaped.  So "~" should be
 
526
        # transmitted as "~", not "%7E".
 
527
        transport = RemoteTCPTransport('bzr://localhost/~hello/')
 
528
        client = FakeClient(transport.base)
 
529
        reference_format = self.get_repo_format()
 
530
        network_name = reference_format.network_name()
 
531
        branch_network_name = self.get_branch_format().network_name()
 
532
        client.add_expected_call(
 
533
            'BzrDir.open_branchV2', ('~hello/',),
 
534
            'success', ('branch', branch_network_name))
 
535
        client.add_expected_call(
 
536
            'BzrDir.find_repositoryV3', ('~hello/',),
 
537
            'success', ('ok', '', 'no', 'no', 'no', network_name))
 
538
        client.add_expected_call(
 
539
            'Branch.get_stacked_on_url', ('~hello/',),
 
540
            'error', ('NotStacked',))
 
541
        bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
 
542
            _client=client)
 
543
        result = bzrdir.open_branch()
 
544
        client.finished_test()
 
545
 
 
546
    def check_open_repository(self, rich_root, subtrees, external_lookup='no'):
 
547
        reference_format = self.get_repo_format()
 
548
        network_name = reference_format.network_name()
 
549
        transport = MemoryTransport()
 
550
        transport.mkdir('quack')
 
551
        transport = transport.clone('quack')
 
552
        if rich_root:
 
553
            rich_response = 'yes'
 
554
        else:
 
555
            rich_response = 'no'
 
556
        if subtrees:
 
557
            subtree_response = 'yes'
 
558
        else:
 
559
            subtree_response = 'no'
 
560
        client = FakeClient(transport.base)
 
561
        client.add_success_response(
 
562
            'ok', '', rich_response, subtree_response, external_lookup,
 
563
            network_name)
 
564
        bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
 
565
            _client=client)
 
566
        result = bzrdir.open_repository()
 
567
        self.assertEqual(
 
568
            [('call', 'BzrDir.find_repositoryV3', ('quack/',))],
 
569
            client._calls)
 
570
        self.assertIsInstance(result, RemoteRepository)
 
571
        self.assertEqual(bzrdir, result.bzrdir)
 
572
        self.assertEqual(rich_root, result._format.rich_root_data)
 
573
        self.assertEqual(subtrees, result._format.supports_tree_reference)
 
574
 
 
575
    def test_open_repository_sets_format_attributes(self):
 
576
        self.check_open_repository(True, True)
 
577
        self.check_open_repository(False, True)
 
578
        self.check_open_repository(True, False)
 
579
        self.check_open_repository(False, False)
 
580
        self.check_open_repository(False, False, 'yes')
 
581
 
 
582
    def test_old_server(self):
 
583
        """RemoteBzrDirFormat should fail to probe if the server version is too
 
584
        old.
 
585
        """
 
586
        self.assertRaises(errors.NotBranchError,
 
587
            RemoteBzrDirFormat.probe_transport, OldServerTransport())
 
588
 
 
589
 
 
590
class TestBzrDirCreateBranch(TestRemote):
 
591
 
 
592
    def test_backwards_compat(self):
 
593
        self.setup_smart_server_with_call_log()
 
594
        repo = self.make_repository('.')
 
595
        self.reset_smart_call_log()
 
596
        self.disable_verb('BzrDir.create_branch')
 
597
        branch = repo.bzrdir.create_branch()
 
598
        create_branch_call_count = len([call for call in self.hpss_calls if
 
599
            call.call.method == 'BzrDir.create_branch'])
 
600
        self.assertEqual(1, create_branch_call_count)
 
601
 
 
602
    def test_current_server(self):
 
603
        transport = self.get_transport('.')
 
604
        transport = transport.clone('quack')
 
605
        self.make_repository('quack')
 
606
        client = FakeClient(transport.base)
 
607
        reference_bzrdir_format = bzrdir.format_registry.get('default')()
 
608
        reference_format = reference_bzrdir_format.get_branch_format()
 
609
        network_name = reference_format.network_name()
 
610
        reference_repo_fmt = reference_bzrdir_format.repository_format
 
611
        reference_repo_name = reference_repo_fmt.network_name()
 
612
        client.add_expected_call(
 
613
            'BzrDir.create_branch', ('quack/', network_name),
 
614
            'success', ('ok', network_name, '', 'no', 'no', 'yes',
 
615
            reference_repo_name))
 
616
        a_bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
 
617
            _client=client)
 
618
        branch = a_bzrdir.create_branch()
 
619
        # We should have got a remote branch
 
620
        self.assertIsInstance(branch, remote.RemoteBranch)
 
621
        # its format should have the settings from the response
 
622
        format = branch._format
 
623
        self.assertEqual(network_name, format.network_name())
 
624
 
 
625
 
 
626
class TestBzrDirCreateRepository(TestRemote):
 
627
 
 
628
    def test_backwards_compat(self):
 
629
        self.setup_smart_server_with_call_log()
 
630
        bzrdir = self.make_bzrdir('.')
 
631
        self.reset_smart_call_log()
 
632
        self.disable_verb('BzrDir.create_repository')
 
633
        repo = bzrdir.create_repository()
 
634
        create_repo_call_count = len([call for call in self.hpss_calls if
 
635
            call.call.method == 'BzrDir.create_repository'])
 
636
        self.assertEqual(1, create_repo_call_count)
 
637
 
 
638
    def test_current_server(self):
 
639
        transport = self.get_transport('.')
 
640
        transport = transport.clone('quack')
 
641
        self.make_bzrdir('quack')
 
642
        client = FakeClient(transport.base)
 
643
        reference_bzrdir_format = bzrdir.format_registry.get('default')()
 
644
        reference_format = reference_bzrdir_format.repository_format
 
645
        network_name = reference_format.network_name()
 
646
        client.add_expected_call(
 
647
            'BzrDir.create_repository', ('quack/',
 
648
                'Bazaar pack repository format 1 (needs bzr 0.92)\n', 'False'),
 
649
            'success', ('ok', 'no', 'no', 'no', network_name))
 
650
        a_bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
 
651
            _client=client)
 
652
        repo = a_bzrdir.create_repository()
 
653
        # We should have got a remote repository
 
654
        self.assertIsInstance(repo, remote.RemoteRepository)
 
655
        # its format should have the settings from the response
 
656
        format = repo._format
 
657
        self.assertFalse(format.rich_root_data)
 
658
        self.assertFalse(format.supports_tree_reference)
 
659
        self.assertFalse(format.supports_external_lookups)
 
660
        self.assertEqual(network_name, format.network_name())
 
661
 
 
662
 
 
663
class TestBzrDirOpenRepository(TestRemote):
 
664
 
 
665
    def test_backwards_compat_1_2_3(self):
 
666
        # fallback all the way to the first version.
 
667
        reference_format = self.get_repo_format()
 
668
        network_name = reference_format.network_name()
 
669
        client = FakeClient('bzr://example.com/')
 
670
        client.add_unknown_method_response('BzrDir.find_repositoryV3')
 
671
        client.add_unknown_method_response('BzrDir.find_repositoryV2')
 
672
        client.add_success_response('ok', '', 'no', 'no')
 
673
        # A real repository instance will be created to determine the network
 
674
        # name.
 
675
        client.add_success_response_with_body(
 
676
            "Bazaar-NG meta directory, format 1\n", 'ok')
 
677
        client.add_success_response_with_body(
 
678
            reference_format.get_format_string(), 'ok')
 
679
        # PackRepository wants to do a stat
 
680
        client.add_success_response('stat', '0', '65535')
 
681
        remote_transport = RemoteTransport('bzr://example.com/quack/', medium=False,
 
682
            _client=client)
 
683
        bzrdir = RemoteBzrDir(remote_transport, remote.RemoteBzrDirFormat(),
 
684
            _client=client)
 
685
        repo = bzrdir.open_repository()
 
686
        self.assertEqual(
 
687
            [('call', 'BzrDir.find_repositoryV3', ('quack/',)),
 
688
             ('call', 'BzrDir.find_repositoryV2', ('quack/',)),
 
689
             ('call', 'BzrDir.find_repository', ('quack/',)),
 
690
             ('call_expecting_body', 'get', ('/quack/.bzr/branch-format',)),
 
691
             ('call_expecting_body', 'get', ('/quack/.bzr/repository/format',)),
 
692
             ('call', 'stat', ('/quack/.bzr/repository',)),
 
693
             ],
 
694
            client._calls)
 
695
        self.assertEqual(network_name, repo._format.network_name())
 
696
 
 
697
    def test_backwards_compat_2(self):
 
698
        # fallback to find_repositoryV2
 
699
        reference_format = self.get_repo_format()
 
700
        network_name = reference_format.network_name()
 
701
        client = FakeClient('bzr://example.com/')
 
702
        client.add_unknown_method_response('BzrDir.find_repositoryV3')
 
703
        client.add_success_response('ok', '', 'no', 'no', 'no')
 
704
        # A real repository instance will be created to determine the network
 
705
        # name.
 
706
        client.add_success_response_with_body(
 
707
            "Bazaar-NG meta directory, format 1\n", 'ok')
 
708
        client.add_success_response_with_body(
 
709
            reference_format.get_format_string(), 'ok')
 
710
        # PackRepository wants to do a stat
 
711
        client.add_success_response('stat', '0', '65535')
 
712
        remote_transport = RemoteTransport('bzr://example.com/quack/', medium=False,
 
713
            _client=client)
 
714
        bzrdir = RemoteBzrDir(remote_transport, remote.RemoteBzrDirFormat(),
 
715
            _client=client)
 
716
        repo = bzrdir.open_repository()
 
717
        self.assertEqual(
 
718
            [('call', 'BzrDir.find_repositoryV3', ('quack/',)),
 
719
             ('call', 'BzrDir.find_repositoryV2', ('quack/',)),
 
720
             ('call_expecting_body', 'get', ('/quack/.bzr/branch-format',)),
 
721
             ('call_expecting_body', 'get', ('/quack/.bzr/repository/format',)),
 
722
             ('call', 'stat', ('/quack/.bzr/repository',)),
 
723
             ],
 
724
            client._calls)
 
725
        self.assertEqual(network_name, repo._format.network_name())
 
726
 
 
727
    def test_current_server(self):
 
728
        reference_format = self.get_repo_format()
 
729
        network_name = reference_format.network_name()
 
730
        transport = MemoryTransport()
 
731
        transport.mkdir('quack')
 
732
        transport = transport.clone('quack')
 
733
        client = FakeClient(transport.base)
 
734
        client.add_success_response('ok', '', 'no', 'no', 'no', network_name)
 
735
        bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
 
736
            _client=client)
 
737
        repo = bzrdir.open_repository()
 
738
        self.assertEqual(
 
739
            [('call', 'BzrDir.find_repositoryV3', ('quack/',))],
 
740
            client._calls)
 
741
        self.assertEqual(network_name, repo._format.network_name())
 
742
 
 
743
 
 
744
class OldSmartClient(object):
 
745
    """A fake smart client for test_old_version that just returns a version one
 
746
    response to the 'hello' (query version) command.
 
747
    """
 
748
 
 
749
    def get_request(self):
 
750
        input_file = StringIO('ok\x011\n')
 
751
        output_file = StringIO()
 
752
        client_medium = medium.SmartSimplePipesClientMedium(
 
753
            input_file, output_file)
 
754
        return medium.SmartClientStreamMediumRequest(client_medium)
 
755
 
 
756
    def protocol_version(self):
 
757
        return 1
 
758
 
 
759
 
 
760
class OldServerTransport(object):
 
761
    """A fake transport for test_old_server that reports it's smart server
 
762
    protocol version as version one.
 
763
    """
 
764
 
 
765
    def __init__(self):
 
766
        self.base = 'fake:'
 
767
 
 
768
    def get_smart_client(self):
 
769
        return OldSmartClient()
 
770
 
 
771
 
 
772
class RemoteBranchTestCase(TestRemote):
 
773
 
 
774
    def make_remote_branch(self, transport, client):
 
775
        """Make a RemoteBranch using 'client' as its _SmartClient.
 
776
 
 
777
        A RemoteBzrDir and RemoteRepository will also be created to fill out
 
778
        the RemoteBranch, albeit with stub values for some of their attributes.
 
779
        """
 
780
        # we do not want bzrdir to make any remote calls, so use False as its
 
781
        # _client.  If it tries to make a remote call, this will fail
 
782
        # immediately.
 
783
        bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
 
784
            _client=False)
 
785
        repo = RemoteRepository(bzrdir, None, _client=client)
 
786
        branch_format = self.get_branch_format()
 
787
        format = RemoteBranchFormat(network_name=branch_format.network_name())
 
788
        return RemoteBranch(bzrdir, repo, _client=client, format=format)
 
789
 
 
790
 
 
791
class TestBranchGetParent(RemoteBranchTestCase):
 
792
 
 
793
    def test_no_parent(self):
 
794
        # in an empty branch we decode the response properly
 
795
        transport = MemoryTransport()
 
796
        client = FakeClient(transport.base)
 
797
        client.add_expected_call(
 
798
            'Branch.get_stacked_on_url', ('quack/',),
 
799
            'error', ('NotStacked',))
 
800
        client.add_expected_call(
 
801
            'Branch.get_parent', ('quack/',),
 
802
            'success', ('',))
 
803
        transport.mkdir('quack')
 
804
        transport = transport.clone('quack')
 
805
        branch = self.make_remote_branch(transport, client)
 
806
        result = branch.get_parent()
 
807
        client.finished_test()
 
808
        self.assertEqual(None, result)
 
809
 
 
810
    def test_parent_relative(self):
 
811
        transport = MemoryTransport()
 
812
        client = FakeClient(transport.base)
 
813
        client.add_expected_call(
 
814
            'Branch.get_stacked_on_url', ('kwaak/',),
 
815
            'error', ('NotStacked',))
 
816
        client.add_expected_call(
 
817
            'Branch.get_parent', ('kwaak/',),
 
818
            'success', ('../foo/',))
 
819
        transport.mkdir('kwaak')
 
820
        transport = transport.clone('kwaak')
 
821
        branch = self.make_remote_branch(transport, client)
 
822
        result = branch.get_parent()
 
823
        self.assertEqual(transport.clone('../foo').base, result)
 
824
 
 
825
    def test_parent_absolute(self):
 
826
        transport = MemoryTransport()
 
827
        client = FakeClient(transport.base)
 
828
        client.add_expected_call(
 
829
            'Branch.get_stacked_on_url', ('kwaak/',),
 
830
            'error', ('NotStacked',))
 
831
        client.add_expected_call(
 
832
            'Branch.get_parent', ('kwaak/',),
 
833
            'success', ('http://foo/',))
 
834
        transport.mkdir('kwaak')
 
835
        transport = transport.clone('kwaak')
 
836
        branch = self.make_remote_branch(transport, client)
 
837
        result = branch.get_parent()
 
838
        self.assertEqual('http://foo/', result)
 
839
 
 
840
 
 
841
class TestBranchGetTagsBytes(RemoteBranchTestCase):
 
842
 
 
843
    def test_backwards_compat(self):
 
844
        self.setup_smart_server_with_call_log()
 
845
        branch = self.make_branch('.')
 
846
        self.reset_smart_call_log()
 
847
        verb = 'Branch.get_tags_bytes'
 
848
        self.disable_verb(verb)
 
849
        branch.tags.get_tag_dict()
 
850
        call_count = len([call for call in self.hpss_calls if
 
851
            call.call.method == verb])
 
852
        self.assertEqual(1, call_count)
 
853
 
 
854
    def test_trivial(self):
 
855
        transport = MemoryTransport()
 
856
        client = FakeClient(transport.base)
 
857
        client.add_expected_call(
 
858
            'Branch.get_stacked_on_url', ('quack/',),
 
859
            'error', ('NotStacked',))
 
860
        client.add_expected_call(
 
861
            'Branch.get_tags_bytes', ('quack/',),
 
862
            'success', ('',))
 
863
        transport.mkdir('quack')
 
864
        transport = transport.clone('quack')
 
865
        branch = self.make_remote_branch(transport, client)
 
866
        result = branch.tags.get_tag_dict()
 
867
        client.finished_test()
 
868
        self.assertEqual({}, result)
 
869
 
 
870
 
 
871
class TestBranchLastRevisionInfo(RemoteBranchTestCase):
 
872
 
 
873
    def test_empty_branch(self):
 
874
        # in an empty branch we decode the response properly
 
875
        transport = MemoryTransport()
 
876
        client = FakeClient(transport.base)
 
877
        client.add_expected_call(
 
878
            'Branch.get_stacked_on_url', ('quack/',),
 
879
            'error', ('NotStacked',))
 
880
        client.add_expected_call(
 
881
            'Branch.last_revision_info', ('quack/',),
 
882
            'success', ('ok', '0', 'null:'))
 
883
        transport.mkdir('quack')
 
884
        transport = transport.clone('quack')
 
885
        branch = self.make_remote_branch(transport, client)
 
886
        result = branch.last_revision_info()
 
887
        client.finished_test()
 
888
        self.assertEqual((0, NULL_REVISION), result)
 
889
 
 
890
    def test_non_empty_branch(self):
 
891
        # in a non-empty branch we also decode the response properly
 
892
        revid = u'\xc8'.encode('utf8')
 
893
        transport = MemoryTransport()
 
894
        client = FakeClient(transport.base)
 
895
        client.add_expected_call(
 
896
            'Branch.get_stacked_on_url', ('kwaak/',),
 
897
            'error', ('NotStacked',))
 
898
        client.add_expected_call(
 
899
            'Branch.last_revision_info', ('kwaak/',),
 
900
            'success', ('ok', '2', revid))
 
901
        transport.mkdir('kwaak')
 
902
        transport = transport.clone('kwaak')
 
903
        branch = self.make_remote_branch(transport, client)
 
904
        result = branch.last_revision_info()
 
905
        self.assertEqual((2, revid), result)
 
906
 
 
907
 
 
908
class TestBranch_get_stacked_on_url(TestRemote):
 
909
    """Test Branch._get_stacked_on_url rpc"""
 
910
 
 
911
    def test_get_stacked_on_invalid_url(self):
 
912
        # test that asking for a stacked on url the server can't access works.
 
913
        # This isn't perfect, but then as we're in the same process there
 
914
        # really isn't anything we can do to be 100% sure that the server
 
915
        # doesn't just open in - this test probably needs to be rewritten using
 
916
        # a spawn()ed server.
 
917
        stacked_branch = self.make_branch('stacked', format='1.9')
 
918
        memory_branch = self.make_branch('base', format='1.9')
 
919
        vfs_url = self.get_vfs_only_url('base')
 
920
        stacked_branch.set_stacked_on_url(vfs_url)
 
921
        transport = stacked_branch.bzrdir.root_transport
 
922
        client = FakeClient(transport.base)
 
923
        client.add_expected_call(
 
924
            'Branch.get_stacked_on_url', ('stacked/',),
 
925
            'success', ('ok', vfs_url))
 
926
        # XXX: Multiple calls are bad, this second call documents what is
 
927
        # today.
 
928
        client.add_expected_call(
 
929
            'Branch.get_stacked_on_url', ('stacked/',),
 
930
            'success', ('ok', vfs_url))
 
931
        bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
 
932
            _client=client)
 
933
        repo_fmt = remote.RemoteRepositoryFormat()
 
934
        repo_fmt._custom_format = stacked_branch.repository._format
 
935
        branch = RemoteBranch(bzrdir, RemoteRepository(bzrdir, repo_fmt),
 
936
            _client=client)
 
937
        result = branch.get_stacked_on_url()
 
938
        self.assertEqual(vfs_url, result)
 
939
 
 
940
    def test_backwards_compatible(self):
 
941
        # like with bzr1.6 with no Branch.get_stacked_on_url rpc
 
942
        base_branch = self.make_branch('base', format='1.6')
 
943
        stacked_branch = self.make_branch('stacked', format='1.6')
 
944
        stacked_branch.set_stacked_on_url('../base')
 
945
        client = FakeClient(self.get_url())
 
946
        branch_network_name = self.get_branch_format().network_name()
 
947
        client.add_expected_call(
 
948
            'BzrDir.open_branchV2', ('stacked/',),
 
949
            'success', ('branch', branch_network_name))
 
950
        client.add_expected_call(
 
951
            'BzrDir.find_repositoryV3', ('stacked/',),
 
952
            'success', ('ok', '', 'no', 'no', 'yes',
 
953
                stacked_branch.repository._format.network_name()))
 
954
        # called twice, once from constructor and then again by us
 
955
        client.add_expected_call(
 
956
            'Branch.get_stacked_on_url', ('stacked/',),
 
957
            'unknown', ('Branch.get_stacked_on_url',))
 
958
        client.add_expected_call(
 
959
            'Branch.get_stacked_on_url', ('stacked/',),
 
960
            'unknown', ('Branch.get_stacked_on_url',))
 
961
        # this will also do vfs access, but that goes direct to the transport
 
962
        # and isn't seen by the FakeClient.
 
963
        bzrdir = RemoteBzrDir(self.get_transport('stacked'),
 
964
            remote.RemoteBzrDirFormat(), _client=client)
 
965
        branch = bzrdir.open_branch()
 
966
        result = branch.get_stacked_on_url()
 
967
        self.assertEqual('../base', result)
 
968
        client.finished_test()
 
969
        # it's in the fallback list both for the RemoteRepository and its vfs
 
970
        # repository
 
971
        self.assertEqual(1, len(branch.repository._fallback_repositories))
 
972
        self.assertEqual(1,
 
973
            len(branch.repository._real_repository._fallback_repositories))
 
974
 
 
975
    def test_get_stacked_on_real_branch(self):
 
976
        base_branch = self.make_branch('base', format='1.6')
 
977
        stacked_branch = self.make_branch('stacked', format='1.6')
 
978
        stacked_branch.set_stacked_on_url('../base')
 
979
        reference_format = self.get_repo_format()
 
980
        network_name = reference_format.network_name()
 
981
        client = FakeClient(self.get_url())
 
982
        branch_network_name = self.get_branch_format().network_name()
 
983
        client.add_expected_call(
 
984
            'BzrDir.open_branchV2', ('stacked/',),
 
985
            'success', ('branch', branch_network_name))
 
986
        client.add_expected_call(
 
987
            'BzrDir.find_repositoryV3', ('stacked/',),
 
988
            'success', ('ok', '', 'no', 'no', 'yes', network_name))
 
989
        # called twice, once from constructor and then again by us
 
990
        client.add_expected_call(
 
991
            'Branch.get_stacked_on_url', ('stacked/',),
 
992
            'success', ('ok', '../base'))
 
993
        client.add_expected_call(
 
994
            'Branch.get_stacked_on_url', ('stacked/',),
 
995
            'success', ('ok', '../base'))
 
996
        bzrdir = RemoteBzrDir(self.get_transport('stacked'),
 
997
            remote.RemoteBzrDirFormat(), _client=client)
 
998
        branch = bzrdir.open_branch()
 
999
        result = branch.get_stacked_on_url()
 
1000
        self.assertEqual('../base', result)
 
1001
        client.finished_test()
 
1002
        # it's in the fallback list both for the RemoteRepository.
 
1003
        self.assertEqual(1, len(branch.repository._fallback_repositories))
 
1004
        # And we haven't had to construct a real repository.
 
1005
        self.assertEqual(None, branch.repository._real_repository)
 
1006
 
 
1007
 
 
1008
class TestBranchSetLastRevision(RemoteBranchTestCase):
 
1009
 
 
1010
    def test_set_empty(self):
 
1011
        # set_revision_history([]) is translated to calling
 
1012
        # Branch.set_last_revision(path, '') on the wire.
 
1013
        transport = MemoryTransport()
 
1014
        transport.mkdir('branch')
 
1015
        transport = transport.clone('branch')
 
1016
 
 
1017
        client = FakeClient(transport.base)
 
1018
        client.add_expected_call(
 
1019
            'Branch.get_stacked_on_url', ('branch/',),
 
1020
            'error', ('NotStacked',))
 
1021
        client.add_expected_call(
 
1022
            'Branch.lock_write', ('branch/', '', ''),
 
1023
            'success', ('ok', 'branch token', 'repo token'))
 
1024
        client.add_expected_call(
 
1025
            'Branch.last_revision_info',
 
1026
            ('branch/',),
 
1027
            'success', ('ok', '0', 'null:'))
 
1028
        client.add_expected_call(
 
1029
            'Branch.set_last_revision', ('branch/', 'branch token', 'repo token', 'null:',),
 
1030
            'success', ('ok',))
 
1031
        client.add_expected_call(
 
1032
            'Branch.unlock', ('branch/', 'branch token', 'repo token'),
 
1033
            'success', ('ok',))
 
1034
        branch = self.make_remote_branch(transport, client)
 
1035
        # This is a hack to work around the problem that RemoteBranch currently
 
1036
        # unnecessarily invokes _ensure_real upon a call to lock_write.
 
1037
        branch._ensure_real = lambda: None
 
1038
        branch.lock_write()
 
1039
        result = branch.set_revision_history([])
 
1040
        branch.unlock()
 
1041
        self.assertEqual(None, result)
 
1042
        client.finished_test()
 
1043
 
 
1044
    def test_set_nonempty(self):
 
1045
        # set_revision_history([rev-id1, ..., rev-idN]) is translated to calling
 
1046
        # Branch.set_last_revision(path, rev-idN) on the wire.
 
1047
        transport = MemoryTransport()
 
1048
        transport.mkdir('branch')
 
1049
        transport = transport.clone('branch')
 
1050
 
 
1051
        client = FakeClient(transport.base)
 
1052
        client.add_expected_call(
 
1053
            'Branch.get_stacked_on_url', ('branch/',),
 
1054
            'error', ('NotStacked',))
 
1055
        client.add_expected_call(
 
1056
            'Branch.lock_write', ('branch/', '', ''),
 
1057
            'success', ('ok', 'branch token', 'repo token'))
 
1058
        client.add_expected_call(
 
1059
            'Branch.last_revision_info',
 
1060
            ('branch/',),
 
1061
            'success', ('ok', '0', 'null:'))
 
1062
        lines = ['rev-id2']
 
1063
        encoded_body = bz2.compress('\n'.join(lines))
 
1064
        client.add_success_response_with_body(encoded_body, 'ok')
 
1065
        client.add_expected_call(
 
1066
            'Branch.set_last_revision', ('branch/', 'branch token', 'repo token', 'rev-id2',),
 
1067
            'success', ('ok',))
 
1068
        client.add_expected_call(
 
1069
            'Branch.unlock', ('branch/', 'branch token', 'repo token'),
 
1070
            'success', ('ok',))
 
1071
        branch = self.make_remote_branch(transport, client)
 
1072
        # This is a hack to work around the problem that RemoteBranch currently
 
1073
        # unnecessarily invokes _ensure_real upon a call to lock_write.
 
1074
        branch._ensure_real = lambda: None
 
1075
        # Lock the branch, reset the record of remote calls.
 
1076
        branch.lock_write()
 
1077
        result = branch.set_revision_history(['rev-id1', 'rev-id2'])
 
1078
        branch.unlock()
 
1079
        self.assertEqual(None, result)
 
1080
        client.finished_test()
 
1081
 
 
1082
    def test_no_such_revision(self):
 
1083
        transport = MemoryTransport()
 
1084
        transport.mkdir('branch')
 
1085
        transport = transport.clone('branch')
 
1086
        # A response of 'NoSuchRevision' is translated into an exception.
 
1087
        client = FakeClient(transport.base)
 
1088
        client.add_expected_call(
 
1089
            'Branch.get_stacked_on_url', ('branch/',),
 
1090
            'error', ('NotStacked',))
 
1091
        client.add_expected_call(
 
1092
            'Branch.lock_write', ('branch/', '', ''),
 
1093
            'success', ('ok', 'branch token', 'repo token'))
 
1094
        client.add_expected_call(
 
1095
            'Branch.last_revision_info',
 
1096
            ('branch/',),
 
1097
            'success', ('ok', '0', 'null:'))
 
1098
        # get_graph calls to construct the revision history, for the set_rh
 
1099
        # hook
 
1100
        lines = ['rev-id']
 
1101
        encoded_body = bz2.compress('\n'.join(lines))
 
1102
        client.add_success_response_with_body(encoded_body, 'ok')
 
1103
        client.add_expected_call(
 
1104
            'Branch.set_last_revision', ('branch/', 'branch token', 'repo token', 'rev-id',),
 
1105
            'error', ('NoSuchRevision', 'rev-id'))
 
1106
        client.add_expected_call(
 
1107
            'Branch.unlock', ('branch/', 'branch token', 'repo token'),
 
1108
            'success', ('ok',))
 
1109
 
 
1110
        branch = self.make_remote_branch(transport, client)
 
1111
        branch.lock_write()
 
1112
        self.assertRaises(
 
1113
            errors.NoSuchRevision, branch.set_revision_history, ['rev-id'])
 
1114
        branch.unlock()
 
1115
        client.finished_test()
 
1116
 
 
1117
    def test_tip_change_rejected(self):
 
1118
        """TipChangeRejected responses cause a TipChangeRejected exception to
 
1119
        be raised.
 
1120
        """
 
1121
        transport = MemoryTransport()
 
1122
        transport.mkdir('branch')
 
1123
        transport = transport.clone('branch')
 
1124
        client = FakeClient(transport.base)
 
1125
        rejection_msg_unicode = u'rejection message\N{INTERROBANG}'
 
1126
        rejection_msg_utf8 = rejection_msg_unicode.encode('utf8')
 
1127
        client.add_expected_call(
 
1128
            'Branch.get_stacked_on_url', ('branch/',),
 
1129
            'error', ('NotStacked',))
 
1130
        client.add_expected_call(
 
1131
            'Branch.lock_write', ('branch/', '', ''),
 
1132
            'success', ('ok', 'branch token', 'repo token'))
 
1133
        client.add_expected_call(
 
1134
            'Branch.last_revision_info',
 
1135
            ('branch/',),
 
1136
            'success', ('ok', '0', 'null:'))
 
1137
        lines = ['rev-id']
 
1138
        encoded_body = bz2.compress('\n'.join(lines))
 
1139
        client.add_success_response_with_body(encoded_body, 'ok')
 
1140
        client.add_expected_call(
 
1141
            'Branch.set_last_revision', ('branch/', 'branch token', 'repo token', 'rev-id',),
 
1142
            'error', ('TipChangeRejected', rejection_msg_utf8))
 
1143
        client.add_expected_call(
 
1144
            'Branch.unlock', ('branch/', 'branch token', 'repo token'),
 
1145
            'success', ('ok',))
 
1146
        branch = self.make_remote_branch(transport, client)
 
1147
        branch._ensure_real = lambda: None
 
1148
        branch.lock_write()
 
1149
        # The 'TipChangeRejected' error response triggered by calling
 
1150
        # set_revision_history causes a TipChangeRejected exception.
 
1151
        err = self.assertRaises(
 
1152
            errors.TipChangeRejected, branch.set_revision_history, ['rev-id'])
 
1153
        # The UTF-8 message from the response has been decoded into a unicode
 
1154
        # object.
 
1155
        self.assertIsInstance(err.msg, unicode)
 
1156
        self.assertEqual(rejection_msg_unicode, err.msg)
 
1157
        branch.unlock()
 
1158
        client.finished_test()
 
1159
 
 
1160
 
 
1161
class TestBranchSetLastRevisionInfo(RemoteBranchTestCase):
 
1162
 
 
1163
    def test_set_last_revision_info(self):
 
1164
        # set_last_revision_info(num, 'rev-id') is translated to calling
 
1165
        # Branch.set_last_revision_info(num, 'rev-id') on the wire.
 
1166
        transport = MemoryTransport()
 
1167
        transport.mkdir('branch')
 
1168
        transport = transport.clone('branch')
 
1169
        client = FakeClient(transport.base)
 
1170
        # get_stacked_on_url
 
1171
        client.add_error_response('NotStacked')
 
1172
        # lock_write
 
1173
        client.add_success_response('ok', 'branch token', 'repo token')
 
1174
        # query the current revision
 
1175
        client.add_success_response('ok', '0', 'null:')
 
1176
        # set_last_revision
 
1177
        client.add_success_response('ok')
 
1178
        # unlock
 
1179
        client.add_success_response('ok')
 
1180
 
 
1181
        branch = self.make_remote_branch(transport, client)
 
1182
        # Lock the branch, reset the record of remote calls.
 
1183
        branch.lock_write()
 
1184
        client._calls = []
 
1185
        result = branch.set_last_revision_info(1234, 'a-revision-id')
 
1186
        self.assertEqual(
 
1187
            [('call', 'Branch.last_revision_info', ('branch/',)),
 
1188
             ('call', 'Branch.set_last_revision_info',
 
1189
                ('branch/', 'branch token', 'repo token',
 
1190
                 '1234', 'a-revision-id'))],
 
1191
            client._calls)
 
1192
        self.assertEqual(None, result)
 
1193
 
 
1194
    def test_no_such_revision(self):
 
1195
        # A response of 'NoSuchRevision' is translated into an exception.
 
1196
        transport = MemoryTransport()
 
1197
        transport.mkdir('branch')
 
1198
        transport = transport.clone('branch')
 
1199
        client = FakeClient(transport.base)
 
1200
        # get_stacked_on_url
 
1201
        client.add_error_response('NotStacked')
 
1202
        # lock_write
 
1203
        client.add_success_response('ok', 'branch token', 'repo token')
 
1204
        # set_last_revision
 
1205
        client.add_error_response('NoSuchRevision', 'revid')
 
1206
        # unlock
 
1207
        client.add_success_response('ok')
 
1208
 
 
1209
        branch = self.make_remote_branch(transport, client)
 
1210
        # Lock the branch, reset the record of remote calls.
 
1211
        branch.lock_write()
 
1212
        client._calls = []
 
1213
 
 
1214
        self.assertRaises(
 
1215
            errors.NoSuchRevision, branch.set_last_revision_info, 123, 'revid')
 
1216
        branch.unlock()
 
1217
 
 
1218
    def lock_remote_branch(self, branch):
 
1219
        """Trick a RemoteBranch into thinking it is locked."""
 
1220
        branch._lock_mode = 'w'
 
1221
        branch._lock_count = 2
 
1222
        branch._lock_token = 'branch token'
 
1223
        branch._repo_lock_token = 'repo token'
 
1224
        branch.repository._lock_mode = 'w'
 
1225
        branch.repository._lock_count = 2
 
1226
        branch.repository._lock_token = 'repo token'
 
1227
 
 
1228
    def test_backwards_compatibility(self):
 
1229
        """If the server does not support the Branch.set_last_revision_info
 
1230
        verb (which is new in 1.4), then the client falls back to VFS methods.
 
1231
        """
 
1232
        # This test is a little messy.  Unlike most tests in this file, it
 
1233
        # doesn't purely test what a Remote* object sends over the wire, and
 
1234
        # how it reacts to responses from the wire.  It instead relies partly
 
1235
        # on asserting that the RemoteBranch will call
 
1236
        # self._real_branch.set_last_revision_info(...).
 
1237
 
 
1238
        # First, set up our RemoteBranch with a FakeClient that raises
 
1239
        # UnknownSmartMethod, and a StubRealBranch that logs how it is called.
 
1240
        transport = MemoryTransport()
 
1241
        transport.mkdir('branch')
 
1242
        transport = transport.clone('branch')
 
1243
        client = FakeClient(transport.base)
 
1244
        client.add_expected_call(
 
1245
            'Branch.get_stacked_on_url', ('branch/',),
 
1246
            'error', ('NotStacked',))
 
1247
        client.add_expected_call(
 
1248
            'Branch.last_revision_info',
 
1249
            ('branch/',),
 
1250
            'success', ('ok', '0', 'null:'))
 
1251
        client.add_expected_call(
 
1252
            'Branch.set_last_revision_info',
 
1253
            ('branch/', 'branch token', 'repo token', '1234', 'a-revision-id',),
 
1254
            'unknown', 'Branch.set_last_revision_info')
 
1255
 
 
1256
        branch = self.make_remote_branch(transport, client)
 
1257
        class StubRealBranch(object):
 
1258
            def __init__(self):
 
1259
                self.calls = []
 
1260
            def set_last_revision_info(self, revno, revision_id):
 
1261
                self.calls.append(
 
1262
                    ('set_last_revision_info', revno, revision_id))
 
1263
            def _clear_cached_state(self):
 
1264
                pass
 
1265
        real_branch = StubRealBranch()
 
1266
        branch._real_branch = real_branch
 
1267
        self.lock_remote_branch(branch)
 
1268
 
 
1269
        # Call set_last_revision_info, and verify it behaved as expected.
 
1270
        result = branch.set_last_revision_info(1234, 'a-revision-id')
 
1271
        self.assertEqual(
 
1272
            [('set_last_revision_info', 1234, 'a-revision-id')],
 
1273
            real_branch.calls)
 
1274
        client.finished_test()
 
1275
 
 
1276
    def test_unexpected_error(self):
 
1277
        # If the server sends an error the client doesn't understand, it gets
 
1278
        # turned into an UnknownErrorFromSmartServer, which is presented as a
 
1279
        # non-internal error to the user.
 
1280
        transport = MemoryTransport()
 
1281
        transport.mkdir('branch')
 
1282
        transport = transport.clone('branch')
 
1283
        client = FakeClient(transport.base)
 
1284
        # get_stacked_on_url
 
1285
        client.add_error_response('NotStacked')
 
1286
        # lock_write
 
1287
        client.add_success_response('ok', 'branch token', 'repo token')
 
1288
        # set_last_revision
 
1289
        client.add_error_response('UnexpectedError')
 
1290
        # unlock
 
1291
        client.add_success_response('ok')
 
1292
 
 
1293
        branch = self.make_remote_branch(transport, client)
 
1294
        # Lock the branch, reset the record of remote calls.
 
1295
        branch.lock_write()
 
1296
        client._calls = []
 
1297
 
 
1298
        err = self.assertRaises(
 
1299
            errors.UnknownErrorFromSmartServer,
 
1300
            branch.set_last_revision_info, 123, 'revid')
 
1301
        self.assertEqual(('UnexpectedError',), err.error_tuple)
 
1302
        branch.unlock()
 
1303
 
 
1304
    def test_tip_change_rejected(self):
 
1305
        """TipChangeRejected responses cause a TipChangeRejected exception to
 
1306
        be raised.
 
1307
        """
 
1308
        transport = MemoryTransport()
 
1309
        transport.mkdir('branch')
 
1310
        transport = transport.clone('branch')
 
1311
        client = FakeClient(transport.base)
 
1312
        # get_stacked_on_url
 
1313
        client.add_error_response('NotStacked')
 
1314
        # lock_write
 
1315
        client.add_success_response('ok', 'branch token', 'repo token')
 
1316
        # set_last_revision
 
1317
        client.add_error_response('TipChangeRejected', 'rejection message')
 
1318
        # unlock
 
1319
        client.add_success_response('ok')
 
1320
 
 
1321
        branch = self.make_remote_branch(transport, client)
 
1322
        # Lock the branch, reset the record of remote calls.
 
1323
        branch.lock_write()
 
1324
        self.addCleanup(branch.unlock)
 
1325
        client._calls = []
 
1326
 
 
1327
        # The 'TipChangeRejected' error response triggered by calling
 
1328
        # set_last_revision_info causes a TipChangeRejected exception.
 
1329
        err = self.assertRaises(
 
1330
            errors.TipChangeRejected,
 
1331
            branch.set_last_revision_info, 123, 'revid')
 
1332
        self.assertEqual('rejection message', err.msg)
 
1333
 
 
1334
 
 
1335
class TestBranchGetSetConfig(RemoteBranchTestCase):
 
1336
 
 
1337
    def test_get_branch_conf(self):
 
1338
        # in an empty branch we decode the response properly
 
1339
        client = FakeClient()
 
1340
        client.add_expected_call(
 
1341
            'Branch.get_stacked_on_url', ('memory:///',),
 
1342
            'error', ('NotStacked',),)
 
1343
        client.add_success_response_with_body('# config file body', 'ok')
 
1344
        transport = MemoryTransport()
 
1345
        branch = self.make_remote_branch(transport, client)
 
1346
        config = branch.get_config()
 
1347
        config.has_explicit_nickname()
 
1348
        self.assertEqual(
 
1349
            [('call', 'Branch.get_stacked_on_url', ('memory:///',)),
 
1350
             ('call_expecting_body', 'Branch.get_config_file', ('memory:///',))],
 
1351
            client._calls)
 
1352
 
 
1353
    def test_get_multi_line_branch_conf(self):
 
1354
        # Make sure that multiple-line branch.conf files are supported
 
1355
        #
 
1356
        # https://bugs.edge.launchpad.net/bzr/+bug/354075
 
1357
        client = FakeClient()
 
1358
        client.add_expected_call(
 
1359
            'Branch.get_stacked_on_url', ('memory:///',),
 
1360
            'error', ('NotStacked',),)
 
1361
        client.add_success_response_with_body('a = 1\nb = 2\nc = 3\n', 'ok')
 
1362
        transport = MemoryTransport()
 
1363
        branch = self.make_remote_branch(transport, client)
 
1364
        config = branch.get_config()
 
1365
        self.assertEqual(u'2', config.get_user_option('b'))
 
1366
 
 
1367
    def test_set_option(self):
 
1368
        client = FakeClient()
 
1369
        client.add_expected_call(
 
1370
            'Branch.get_stacked_on_url', ('memory:///',),
 
1371
            'error', ('NotStacked',),)
 
1372
        client.add_expected_call(
 
1373
            'Branch.lock_write', ('memory:///', '', ''),
 
1374
            'success', ('ok', 'branch token', 'repo token'))
 
1375
        client.add_expected_call(
 
1376
            'Branch.set_config_option', ('memory:///', 'branch token',
 
1377
            'repo token', 'foo', 'bar', ''),
 
1378
            'success', ())
 
1379
        client.add_expected_call(
 
1380
            'Branch.unlock', ('memory:///', 'branch token', 'repo token'),
 
1381
            'success', ('ok',))
 
1382
        transport = MemoryTransport()
 
1383
        branch = self.make_remote_branch(transport, client)
 
1384
        branch.lock_write()
 
1385
        config = branch._get_config()
 
1386
        config.set_option('foo', 'bar')
 
1387
        branch.unlock()
 
1388
        client.finished_test()
 
1389
 
 
1390
    def test_backwards_compat_set_option(self):
 
1391
        self.setup_smart_server_with_call_log()
 
1392
        branch = self.make_branch('.')
 
1393
        verb = 'Branch.set_config_option'
 
1394
        self.disable_verb(verb)
 
1395
        branch.lock_write()
 
1396
        self.addCleanup(branch.unlock)
 
1397
        self.reset_smart_call_log()
 
1398
        branch._get_config().set_option('value', 'name')
 
1399
        self.assertLength(10, self.hpss_calls)
 
1400
        self.assertEqual('value', branch._get_config().get_option('name'))
 
1401
 
 
1402
 
 
1403
class TestBranchLockWrite(RemoteBranchTestCase):
 
1404
 
 
1405
    def test_lock_write_unlockable(self):
 
1406
        transport = MemoryTransport()
 
1407
        client = FakeClient(transport.base)
 
1408
        client.add_expected_call(
 
1409
            'Branch.get_stacked_on_url', ('quack/',),
 
1410
            'error', ('NotStacked',),)
 
1411
        client.add_expected_call(
 
1412
            'Branch.lock_write', ('quack/', '', ''),
 
1413
            'error', ('UnlockableTransport',))
 
1414
        transport.mkdir('quack')
 
1415
        transport = transport.clone('quack')
 
1416
        branch = self.make_remote_branch(transport, client)
 
1417
        self.assertRaises(errors.UnlockableTransport, branch.lock_write)
 
1418
        client.finished_test()
 
1419
 
 
1420
 
 
1421
class TestTransportIsReadonly(tests.TestCase):
 
1422
 
 
1423
    def test_true(self):
 
1424
        client = FakeClient()
 
1425
        client.add_success_response('yes')
 
1426
        transport = RemoteTransport('bzr://example.com/', medium=False,
 
1427
                                    _client=client)
 
1428
        self.assertEqual(True, transport.is_readonly())
 
1429
        self.assertEqual(
 
1430
            [('call', 'Transport.is_readonly', ())],
 
1431
            client._calls)
 
1432
 
 
1433
    def test_false(self):
 
1434
        client = FakeClient()
 
1435
        client.add_success_response('no')
 
1436
        transport = RemoteTransport('bzr://example.com/', medium=False,
 
1437
                                    _client=client)
 
1438
        self.assertEqual(False, transport.is_readonly())
 
1439
        self.assertEqual(
 
1440
            [('call', 'Transport.is_readonly', ())],
 
1441
            client._calls)
 
1442
 
 
1443
    def test_error_from_old_server(self):
 
1444
        """bzr 0.15 and earlier servers don't recognise the is_readonly verb.
 
1445
 
 
1446
        Clients should treat it as a "no" response, because is_readonly is only
 
1447
        advisory anyway (a transport could be read-write, but then the
 
1448
        underlying filesystem could be readonly anyway).
 
1449
        """
 
1450
        client = FakeClient()
 
1451
        client.add_unknown_method_response('Transport.is_readonly')
 
1452
        transport = RemoteTransport('bzr://example.com/', medium=False,
 
1453
                                    _client=client)
 
1454
        self.assertEqual(False, transport.is_readonly())
 
1455
        self.assertEqual(
 
1456
            [('call', 'Transport.is_readonly', ())],
 
1457
            client._calls)
 
1458
 
 
1459
 
 
1460
class TestTransportMkdir(tests.TestCase):
 
1461
 
 
1462
    def test_permissiondenied(self):
 
1463
        client = FakeClient()
 
1464
        client.add_error_response('PermissionDenied', 'remote path', 'extra')
 
1465
        transport = RemoteTransport('bzr://example.com/', medium=False,
 
1466
                                    _client=client)
 
1467
        exc = self.assertRaises(
 
1468
            errors.PermissionDenied, transport.mkdir, 'client path')
 
1469
        expected_error = errors.PermissionDenied('/client path', 'extra')
 
1470
        self.assertEqual(expected_error, exc)
 
1471
 
 
1472
 
 
1473
class TestRemoteSSHTransportAuthentication(tests.TestCaseInTempDir):
 
1474
 
 
1475
    def test_defaults_to_none(self):
 
1476
        t = RemoteSSHTransport('bzr+ssh://example.com')
 
1477
        self.assertIs(None, t._get_credentials()[0])
 
1478
 
 
1479
    def test_uses_authentication_config(self):
 
1480
        conf = config.AuthenticationConfig()
 
1481
        conf._get_config().update(
 
1482
            {'bzr+sshtest': {'scheme': 'ssh', 'user': 'bar', 'host':
 
1483
            'example.com'}})
 
1484
        conf._save()
 
1485
        t = RemoteSSHTransport('bzr+ssh://example.com')
 
1486
        self.assertEqual('bar', t._get_credentials()[0])
 
1487
 
 
1488
 
 
1489
class TestRemoteRepository(TestRemote):
 
1490
    """Base for testing RemoteRepository protocol usage.
 
1491
 
 
1492
    These tests contain frozen requests and responses.  We want any changes to
 
1493
    what is sent or expected to be require a thoughtful update to these tests
 
1494
    because they might break compatibility with different-versioned servers.
 
1495
    """
 
1496
 
 
1497
    def setup_fake_client_and_repository(self, transport_path):
 
1498
        """Create the fake client and repository for testing with.
 
1499
 
 
1500
        There's no real server here; we just have canned responses sent
 
1501
        back one by one.
 
1502
 
 
1503
        :param transport_path: Path below the root of the MemoryTransport
 
1504
            where the repository will be created.
 
1505
        """
 
1506
        transport = MemoryTransport()
 
1507
        transport.mkdir(transport_path)
 
1508
        client = FakeClient(transport.base)
 
1509
        transport = transport.clone(transport_path)
 
1510
        # we do not want bzrdir to make any remote calls
 
1511
        bzrdir = RemoteBzrDir(transport, remote.RemoteBzrDirFormat(),
 
1512
            _client=False)
 
1513
        repo = RemoteRepository(bzrdir, None, _client=client)
 
1514
        return repo, client
 
1515
 
 
1516
 
 
1517
class TestRepositoryFormat(TestRemoteRepository):
 
1518
 
 
1519
    def test_fast_delta(self):
 
1520
        true_name = pack_repo.RepositoryFormatPackDevelopment2().network_name()
 
1521
        true_format = RemoteRepositoryFormat()
 
1522
        true_format._network_name = true_name
 
1523
        self.assertEqual(True, true_format.fast_deltas)
 
1524
        false_name = pack_repo.RepositoryFormatKnitPack1().network_name()
 
1525
        false_format = RemoteRepositoryFormat()
 
1526
        false_format._network_name = false_name
 
1527
        self.assertEqual(False, false_format.fast_deltas)
 
1528
 
 
1529
 
 
1530
class TestRepositoryGatherStats(TestRemoteRepository):
 
1531
 
 
1532
    def test_revid_none(self):
 
1533
        # ('ok',), body with revisions and size
 
1534
        transport_path = 'quack'
 
1535
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1536
        client.add_success_response_with_body(
 
1537
            'revisions: 2\nsize: 18\n', 'ok')
 
1538
        result = repo.gather_stats(None)
 
1539
        self.assertEqual(
 
1540
            [('call_expecting_body', 'Repository.gather_stats',
 
1541
             ('quack/','','no'))],
 
1542
            client._calls)
 
1543
        self.assertEqual({'revisions': 2, 'size': 18}, result)
 
1544
 
 
1545
    def test_revid_no_committers(self):
 
1546
        # ('ok',), body without committers
 
1547
        body = ('firstrev: 123456.300 3600\n'
 
1548
                'latestrev: 654231.400 0\n'
 
1549
                'revisions: 2\n'
 
1550
                'size: 18\n')
 
1551
        transport_path = 'quick'
 
1552
        revid = u'\xc8'.encode('utf8')
 
1553
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1554
        client.add_success_response_with_body(body, 'ok')
 
1555
        result = repo.gather_stats(revid)
 
1556
        self.assertEqual(
 
1557
            [('call_expecting_body', 'Repository.gather_stats',
 
1558
              ('quick/', revid, 'no'))],
 
1559
            client._calls)
 
1560
        self.assertEqual({'revisions': 2, 'size': 18,
 
1561
                          'firstrev': (123456.300, 3600),
 
1562
                          'latestrev': (654231.400, 0),},
 
1563
                         result)
 
1564
 
 
1565
    def test_revid_with_committers(self):
 
1566
        # ('ok',), body with committers
 
1567
        body = ('committers: 128\n'
 
1568
                'firstrev: 123456.300 3600\n'
 
1569
                'latestrev: 654231.400 0\n'
 
1570
                'revisions: 2\n'
 
1571
                'size: 18\n')
 
1572
        transport_path = 'buick'
 
1573
        revid = u'\xc8'.encode('utf8')
 
1574
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1575
        client.add_success_response_with_body(body, 'ok')
 
1576
        result = repo.gather_stats(revid, True)
 
1577
        self.assertEqual(
 
1578
            [('call_expecting_body', 'Repository.gather_stats',
 
1579
              ('buick/', revid, 'yes'))],
 
1580
            client._calls)
 
1581
        self.assertEqual({'revisions': 2, 'size': 18,
 
1582
                          'committers': 128,
 
1583
                          'firstrev': (123456.300, 3600),
 
1584
                          'latestrev': (654231.400, 0),},
 
1585
                         result)
 
1586
 
 
1587
 
 
1588
class TestRepositoryGetGraph(TestRemoteRepository):
 
1589
 
 
1590
    def test_get_graph(self):
 
1591
        # get_graph returns a graph with a custom parents provider.
 
1592
        transport_path = 'quack'
 
1593
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1594
        graph = repo.get_graph()
 
1595
        self.assertNotEqual(graph._parents_provider, repo)
 
1596
 
 
1597
 
 
1598
class TestRepositoryGetParentMap(TestRemoteRepository):
 
1599
 
 
1600
    def test_get_parent_map_caching(self):
 
1601
        # get_parent_map returns from cache until unlock()
 
1602
        # setup a reponse with two revisions
 
1603
        r1 = u'\u0e33'.encode('utf8')
 
1604
        r2 = u'\u0dab'.encode('utf8')
 
1605
        lines = [' '.join([r2, r1]), r1]
 
1606
        encoded_body = bz2.compress('\n'.join(lines))
 
1607
 
 
1608
        transport_path = 'quack'
 
1609
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1610
        client.add_success_response_with_body(encoded_body, 'ok')
 
1611
        client.add_success_response_with_body(encoded_body, 'ok')
 
1612
        repo.lock_read()
 
1613
        graph = repo.get_graph()
 
1614
        parents = graph.get_parent_map([r2])
 
1615
        self.assertEqual({r2: (r1,)}, parents)
 
1616
        # locking and unlocking deeper should not reset
 
1617
        repo.lock_read()
 
1618
        repo.unlock()
 
1619
        parents = graph.get_parent_map([r1])
 
1620
        self.assertEqual({r1: (NULL_REVISION,)}, parents)
 
1621
        self.assertEqual(
 
1622
            [('call_with_body_bytes_expecting_body',
 
1623
              'Repository.get_parent_map', ('quack/', 'include-missing:', r2),
 
1624
              '\n\n0')],
 
1625
            client._calls)
 
1626
        repo.unlock()
 
1627
        # now we call again, and it should use the second response.
 
1628
        repo.lock_read()
 
1629
        graph = repo.get_graph()
 
1630
        parents = graph.get_parent_map([r1])
 
1631
        self.assertEqual({r1: (NULL_REVISION,)}, parents)
 
1632
        self.assertEqual(
 
1633
            [('call_with_body_bytes_expecting_body',
 
1634
              'Repository.get_parent_map', ('quack/', 'include-missing:', r2),
 
1635
              '\n\n0'),
 
1636
             ('call_with_body_bytes_expecting_body',
 
1637
              'Repository.get_parent_map', ('quack/', 'include-missing:', r1),
 
1638
              '\n\n0'),
 
1639
            ],
 
1640
            client._calls)
 
1641
        repo.unlock()
 
1642
 
 
1643
    def test_get_parent_map_reconnects_if_unknown_method(self):
 
1644
        transport_path = 'quack'
 
1645
        rev_id = 'revision-id'
 
1646
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1647
        client.add_unknown_method_response('Repository.get_parent_map')
 
1648
        client.add_success_response_with_body(rev_id, 'ok')
 
1649
        self.assertFalse(client._medium._is_remote_before((1, 2)))
 
1650
        parents = repo.get_parent_map([rev_id])
 
1651
        self.assertEqual(
 
1652
            [('call_with_body_bytes_expecting_body',
 
1653
              'Repository.get_parent_map', ('quack/', 'include-missing:',
 
1654
              rev_id), '\n\n0'),
 
1655
             ('disconnect medium',),
 
1656
             ('call_expecting_body', 'Repository.get_revision_graph',
 
1657
              ('quack/', ''))],
 
1658
            client._calls)
 
1659
        # The medium is now marked as being connected to an older server
 
1660
        self.assertTrue(client._medium._is_remote_before((1, 2)))
 
1661
        self.assertEqual({rev_id: ('null:',)}, parents)
 
1662
 
 
1663
    def test_get_parent_map_fallback_parentless_node(self):
 
1664
        """get_parent_map falls back to get_revision_graph on old servers.  The
 
1665
        results from get_revision_graph are tweaked to match the get_parent_map
 
1666
        API.
 
1667
 
 
1668
        Specifically, a {key: ()} result from get_revision_graph means "no
 
1669
        parents" for that key, which in get_parent_map results should be
 
1670
        represented as {key: ('null:',)}.
 
1671
 
 
1672
        This is the test for https://bugs.launchpad.net/bzr/+bug/214894
 
1673
        """
 
1674
        rev_id = 'revision-id'
 
1675
        transport_path = 'quack'
 
1676
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1677
        client.add_success_response_with_body(rev_id, 'ok')
 
1678
        client._medium._remember_remote_is_before((1, 2))
 
1679
        parents = repo.get_parent_map([rev_id])
 
1680
        self.assertEqual(
 
1681
            [('call_expecting_body', 'Repository.get_revision_graph',
 
1682
             ('quack/', ''))],
 
1683
            client._calls)
 
1684
        self.assertEqual({rev_id: ('null:',)}, parents)
 
1685
 
 
1686
    def test_get_parent_map_unexpected_response(self):
 
1687
        repo, client = self.setup_fake_client_and_repository('path')
 
1688
        client.add_success_response('something unexpected!')
 
1689
        self.assertRaises(
 
1690
            errors.UnexpectedSmartServerResponse,
 
1691
            repo.get_parent_map, ['a-revision-id'])
 
1692
 
 
1693
    def test_get_parent_map_negative_caches_missing_keys(self):
 
1694
        self.setup_smart_server_with_call_log()
 
1695
        repo = self.make_repository('foo')
 
1696
        self.assertIsInstance(repo, RemoteRepository)
 
1697
        repo.lock_read()
 
1698
        self.addCleanup(repo.unlock)
 
1699
        self.reset_smart_call_log()
 
1700
        graph = repo.get_graph()
 
1701
        self.assertEqual({},
 
1702
            graph.get_parent_map(['some-missing', 'other-missing']))
 
1703
        self.assertLength(1, self.hpss_calls)
 
1704
        # No call if we repeat this
 
1705
        self.reset_smart_call_log()
 
1706
        graph = repo.get_graph()
 
1707
        self.assertEqual({},
 
1708
            graph.get_parent_map(['some-missing', 'other-missing']))
 
1709
        self.assertLength(0, self.hpss_calls)
 
1710
        # Asking for more unknown keys makes a request.
 
1711
        self.reset_smart_call_log()
 
1712
        graph = repo.get_graph()
 
1713
        self.assertEqual({},
 
1714
            graph.get_parent_map(['some-missing', 'other-missing',
 
1715
                'more-missing']))
 
1716
        self.assertLength(1, self.hpss_calls)
 
1717
 
 
1718
    def disableExtraResults(self):
 
1719
        old_flag = SmartServerRepositoryGetParentMap.no_extra_results
 
1720
        SmartServerRepositoryGetParentMap.no_extra_results = True
 
1721
        def reset_values():
 
1722
            SmartServerRepositoryGetParentMap.no_extra_results = old_flag
 
1723
        self.addCleanup(reset_values)
 
1724
 
 
1725
    def test_null_cached_missing_and_stop_key(self):
 
1726
        self.setup_smart_server_with_call_log()
 
1727
        # Make a branch with a single revision.
 
1728
        builder = self.make_branch_builder('foo')
 
1729
        builder.start_series()
 
1730
        builder.build_snapshot('first', None, [
 
1731
            ('add', ('', 'root-id', 'directory', ''))])
 
1732
        builder.finish_series()
 
1733
        branch = builder.get_branch()
 
1734
        repo = branch.repository
 
1735
        self.assertIsInstance(repo, RemoteRepository)
 
1736
        # Stop the server from sending extra results.
 
1737
        self.disableExtraResults()
 
1738
        repo.lock_read()
 
1739
        self.addCleanup(repo.unlock)
 
1740
        self.reset_smart_call_log()
 
1741
        graph = repo.get_graph()
 
1742
        # Query for 'first' and 'null:'.  Because 'null:' is a parent of
 
1743
        # 'first' it will be a candidate for the stop_keys of subsequent
 
1744
        # requests, and because 'null:' was queried but not returned it will be
 
1745
        # cached as missing.
 
1746
        self.assertEqual({'first': ('null:',)},
 
1747
            graph.get_parent_map(['first', 'null:']))
 
1748
        # Now query for another key.  This request will pass along a recipe of
 
1749
        # start and stop keys describing the already cached results, and this
 
1750
        # recipe's revision count must be correct (or else it will trigger an
 
1751
        # error from the server).
 
1752
        self.assertEqual({}, graph.get_parent_map(['another-key']))
 
1753
        # This assertion guards against disableExtraResults silently failing to
 
1754
        # work, thus invalidating the test.
 
1755
        self.assertLength(2, self.hpss_calls)
 
1756
 
 
1757
    def test_get_parent_map_gets_ghosts_from_result(self):
 
1758
        # asking for a revision should negatively cache close ghosts in its
 
1759
        # ancestry.
 
1760
        self.setup_smart_server_with_call_log()
 
1761
        tree = self.make_branch_and_memory_tree('foo')
 
1762
        tree.lock_write()
 
1763
        try:
 
1764
            builder = treebuilder.TreeBuilder()
 
1765
            builder.start_tree(tree)
 
1766
            builder.build([])
 
1767
            builder.finish_tree()
 
1768
            tree.set_parent_ids(['non-existant'], allow_leftmost_as_ghost=True)
 
1769
            rev_id = tree.commit('')
 
1770
        finally:
 
1771
            tree.unlock()
 
1772
        tree.lock_read()
 
1773
        self.addCleanup(tree.unlock)
 
1774
        repo = tree.branch.repository
 
1775
        self.assertIsInstance(repo, RemoteRepository)
 
1776
        # ask for rev_id
 
1777
        repo.get_parent_map([rev_id])
 
1778
        self.reset_smart_call_log()
 
1779
        # Now asking for rev_id's ghost parent should not make calls
 
1780
        self.assertEqual({}, repo.get_parent_map(['non-existant']))
 
1781
        self.assertLength(0, self.hpss_calls)
 
1782
 
 
1783
 
 
1784
class TestGetParentMapAllowsNew(tests.TestCaseWithTransport):
 
1785
 
 
1786
    def test_allows_new_revisions(self):
 
1787
        """get_parent_map's results can be updated by commit."""
 
1788
        smart_server = server.SmartTCPServer_for_testing()
 
1789
        smart_server.setUp()
 
1790
        self.addCleanup(smart_server.tearDown)
 
1791
        self.make_branch('branch')
 
1792
        branch = Branch.open(smart_server.get_url() + '/branch')
 
1793
        tree = branch.create_checkout('tree', lightweight=True)
 
1794
        tree.lock_write()
 
1795
        self.addCleanup(tree.unlock)
 
1796
        graph = tree.branch.repository.get_graph()
 
1797
        # This provides an opportunity for the missing rev-id to be cached.
 
1798
        self.assertEqual({}, graph.get_parent_map(['rev1']))
 
1799
        tree.commit('message', rev_id='rev1')
 
1800
        graph = tree.branch.repository.get_graph()
 
1801
        self.assertEqual({'rev1': ('null:',)}, graph.get_parent_map(['rev1']))
 
1802
 
 
1803
 
 
1804
class TestRepositoryGetRevisionGraph(TestRemoteRepository):
 
1805
 
 
1806
    def test_null_revision(self):
 
1807
        # a null revision has the predictable result {}, we should have no wire
 
1808
        # traffic when calling it with this argument
 
1809
        transport_path = 'empty'
 
1810
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1811
        client.add_success_response('notused')
 
1812
        # actual RemoteRepository.get_revision_graph is gone, but there's an
 
1813
        # equivalent private method for testing
 
1814
        result = repo._get_revision_graph(NULL_REVISION)
 
1815
        self.assertEqual([], client._calls)
 
1816
        self.assertEqual({}, result)
 
1817
 
 
1818
    def test_none_revision(self):
 
1819
        # with none we want the entire graph
 
1820
        r1 = u'\u0e33'.encode('utf8')
 
1821
        r2 = u'\u0dab'.encode('utf8')
 
1822
        lines = [' '.join([r2, r1]), r1]
 
1823
        encoded_body = '\n'.join(lines)
 
1824
 
 
1825
        transport_path = 'sinhala'
 
1826
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1827
        client.add_success_response_with_body(encoded_body, 'ok')
 
1828
        # actual RemoteRepository.get_revision_graph is gone, but there's an
 
1829
        # equivalent private method for testing
 
1830
        result = repo._get_revision_graph(None)
 
1831
        self.assertEqual(
 
1832
            [('call_expecting_body', 'Repository.get_revision_graph',
 
1833
             ('sinhala/', ''))],
 
1834
            client._calls)
 
1835
        self.assertEqual({r1: (), r2: (r1, )}, result)
 
1836
 
 
1837
    def test_specific_revision(self):
 
1838
        # with a specific revision we want the graph for that
 
1839
        # with none we want the entire graph
 
1840
        r11 = u'\u0e33'.encode('utf8')
 
1841
        r12 = u'\xc9'.encode('utf8')
 
1842
        r2 = u'\u0dab'.encode('utf8')
 
1843
        lines = [' '.join([r2, r11, r12]), r11, r12]
 
1844
        encoded_body = '\n'.join(lines)
 
1845
 
 
1846
        transport_path = 'sinhala'
 
1847
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1848
        client.add_success_response_with_body(encoded_body, 'ok')
 
1849
        result = repo._get_revision_graph(r2)
 
1850
        self.assertEqual(
 
1851
            [('call_expecting_body', 'Repository.get_revision_graph',
 
1852
             ('sinhala/', r2))],
 
1853
            client._calls)
 
1854
        self.assertEqual({r11: (), r12: (), r2: (r11, r12), }, result)
 
1855
 
 
1856
    def test_no_such_revision(self):
 
1857
        revid = '123'
 
1858
        transport_path = 'sinhala'
 
1859
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1860
        client.add_error_response('nosuchrevision', revid)
 
1861
        # also check that the right revision is reported in the error
 
1862
        self.assertRaises(errors.NoSuchRevision,
 
1863
            repo._get_revision_graph, revid)
 
1864
        self.assertEqual(
 
1865
            [('call_expecting_body', 'Repository.get_revision_graph',
 
1866
             ('sinhala/', revid))],
 
1867
            client._calls)
 
1868
 
 
1869
    def test_unexpected_error(self):
 
1870
        revid = '123'
 
1871
        transport_path = 'sinhala'
 
1872
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1873
        client.add_error_response('AnUnexpectedError')
 
1874
        e = self.assertRaises(errors.UnknownErrorFromSmartServer,
 
1875
            repo._get_revision_graph, revid)
 
1876
        self.assertEqual(('AnUnexpectedError',), e.error_tuple)
 
1877
 
 
1878
 
 
1879
class TestRepositoryIsShared(TestRemoteRepository):
 
1880
 
 
1881
    def test_is_shared(self):
 
1882
        # ('yes', ) for Repository.is_shared -> 'True'.
 
1883
        transport_path = 'quack'
 
1884
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1885
        client.add_success_response('yes')
 
1886
        result = repo.is_shared()
 
1887
        self.assertEqual(
 
1888
            [('call', 'Repository.is_shared', ('quack/',))],
 
1889
            client._calls)
 
1890
        self.assertEqual(True, result)
 
1891
 
 
1892
    def test_is_not_shared(self):
 
1893
        # ('no', ) for Repository.is_shared -> 'False'.
 
1894
        transport_path = 'qwack'
 
1895
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1896
        client.add_success_response('no')
 
1897
        result = repo.is_shared()
 
1898
        self.assertEqual(
 
1899
            [('call', 'Repository.is_shared', ('qwack/',))],
 
1900
            client._calls)
 
1901
        self.assertEqual(False, result)
 
1902
 
 
1903
 
 
1904
class TestRepositoryLockWrite(TestRemoteRepository):
 
1905
 
 
1906
    def test_lock_write(self):
 
1907
        transport_path = 'quack'
 
1908
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1909
        client.add_success_response('ok', 'a token')
 
1910
        result = repo.lock_write()
 
1911
        self.assertEqual(
 
1912
            [('call', 'Repository.lock_write', ('quack/', ''))],
 
1913
            client._calls)
 
1914
        self.assertEqual('a token', result)
 
1915
 
 
1916
    def test_lock_write_already_locked(self):
 
1917
        transport_path = 'quack'
 
1918
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1919
        client.add_error_response('LockContention')
 
1920
        self.assertRaises(errors.LockContention, repo.lock_write)
 
1921
        self.assertEqual(
 
1922
            [('call', 'Repository.lock_write', ('quack/', ''))],
 
1923
            client._calls)
 
1924
 
 
1925
    def test_lock_write_unlockable(self):
 
1926
        transport_path = 'quack'
 
1927
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1928
        client.add_error_response('UnlockableTransport')
 
1929
        self.assertRaises(errors.UnlockableTransport, repo.lock_write)
 
1930
        self.assertEqual(
 
1931
            [('call', 'Repository.lock_write', ('quack/', ''))],
 
1932
            client._calls)
 
1933
 
 
1934
 
 
1935
class TestRepositorySetMakeWorkingTrees(TestRemoteRepository):
 
1936
 
 
1937
    def test_backwards_compat(self):
 
1938
        self.setup_smart_server_with_call_log()
 
1939
        repo = self.make_repository('.')
 
1940
        self.reset_smart_call_log()
 
1941
        verb = 'Repository.set_make_working_trees'
 
1942
        self.disable_verb(verb)
 
1943
        repo.set_make_working_trees(True)
 
1944
        call_count = len([call for call in self.hpss_calls if
 
1945
            call.call.method == verb])
 
1946
        self.assertEqual(1, call_count)
 
1947
 
 
1948
    def test_current(self):
 
1949
        transport_path = 'quack'
 
1950
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1951
        client.add_expected_call(
 
1952
            'Repository.set_make_working_trees', ('quack/', 'True'),
 
1953
            'success', ('ok',))
 
1954
        client.add_expected_call(
 
1955
            'Repository.set_make_working_trees', ('quack/', 'False'),
 
1956
            'success', ('ok',))
 
1957
        repo.set_make_working_trees(True)
 
1958
        repo.set_make_working_trees(False)
 
1959
 
 
1960
 
 
1961
class TestRepositoryUnlock(TestRemoteRepository):
 
1962
 
 
1963
    def test_unlock(self):
 
1964
        transport_path = 'quack'
 
1965
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1966
        client.add_success_response('ok', 'a token')
 
1967
        client.add_success_response('ok')
 
1968
        repo.lock_write()
 
1969
        repo.unlock()
 
1970
        self.assertEqual(
 
1971
            [('call', 'Repository.lock_write', ('quack/', '')),
 
1972
             ('call', 'Repository.unlock', ('quack/', 'a token'))],
 
1973
            client._calls)
 
1974
 
 
1975
    def test_unlock_wrong_token(self):
 
1976
        # If somehow the token is wrong, unlock will raise TokenMismatch.
 
1977
        transport_path = 'quack'
 
1978
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1979
        client.add_success_response('ok', 'a token')
 
1980
        client.add_error_response('TokenMismatch')
 
1981
        repo.lock_write()
 
1982
        self.assertRaises(errors.TokenMismatch, repo.unlock)
 
1983
 
 
1984
 
 
1985
class TestRepositoryHasRevision(TestRemoteRepository):
 
1986
 
 
1987
    def test_none(self):
 
1988
        # repo.has_revision(None) should not cause any traffic.
 
1989
        transport_path = 'quack'
 
1990
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
1991
 
 
1992
        # The null revision is always there, so has_revision(None) == True.
 
1993
        self.assertEqual(True, repo.has_revision(NULL_REVISION))
 
1994
 
 
1995
        # The remote repo shouldn't be accessed.
 
1996
        self.assertEqual([], client._calls)
 
1997
 
 
1998
 
 
1999
class TestRepositoryInsertStream(TestRemoteRepository):
 
2000
 
 
2001
    def test_unlocked_repo(self):
 
2002
        transport_path = 'quack'
 
2003
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
2004
        client.add_expected_call(
 
2005
            'Repository.insert_stream', ('quack/', ''),
 
2006
            'success', ('ok',))
 
2007
        client.add_expected_call(
 
2008
            'Repository.insert_stream', ('quack/', ''),
 
2009
            'success', ('ok',))
 
2010
        sink = repo._get_sink()
 
2011
        fmt = repository.RepositoryFormat.get_default_format()
 
2012
        resume_tokens, missing_keys = sink.insert_stream([], fmt, [])
 
2013
        self.assertEqual([], resume_tokens)
 
2014
        self.assertEqual(set(), missing_keys)
 
2015
        client.finished_test()
 
2016
 
 
2017
    def test_locked_repo_with_no_lock_token(self):
 
2018
        transport_path = 'quack'
 
2019
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
2020
        client.add_expected_call(
 
2021
            'Repository.lock_write', ('quack/', ''),
 
2022
            'success', ('ok', ''))
 
2023
        client.add_expected_call(
 
2024
            'Repository.insert_stream', ('quack/', ''),
 
2025
            'success', ('ok',))
 
2026
        client.add_expected_call(
 
2027
            'Repository.insert_stream', ('quack/', ''),
 
2028
            'success', ('ok',))
 
2029
        repo.lock_write()
 
2030
        sink = repo._get_sink()
 
2031
        fmt = repository.RepositoryFormat.get_default_format()
 
2032
        resume_tokens, missing_keys = sink.insert_stream([], fmt, [])
 
2033
        self.assertEqual([], resume_tokens)
 
2034
        self.assertEqual(set(), missing_keys)
 
2035
        client.finished_test()
 
2036
 
 
2037
    def test_locked_repo_with_lock_token(self):
 
2038
        transport_path = 'quack'
 
2039
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
2040
        client.add_expected_call(
 
2041
            'Repository.lock_write', ('quack/', ''),
 
2042
            'success', ('ok', 'a token'))
 
2043
        client.add_expected_call(
 
2044
            'Repository.insert_stream_locked', ('quack/', '', 'a token'),
 
2045
            'success', ('ok',))
 
2046
        client.add_expected_call(
 
2047
            'Repository.insert_stream_locked', ('quack/', '', 'a token'),
 
2048
            'success', ('ok',))
 
2049
        repo.lock_write()
 
2050
        sink = repo._get_sink()
 
2051
        fmt = repository.RepositoryFormat.get_default_format()
 
2052
        resume_tokens, missing_keys = sink.insert_stream([], fmt, [])
 
2053
        self.assertEqual([], resume_tokens)
 
2054
        self.assertEqual(set(), missing_keys)
 
2055
        client.finished_test()
 
2056
 
 
2057
 
 
2058
class TestRepositoryTarball(TestRemoteRepository):
 
2059
 
 
2060
    # This is a canned tarball reponse we can validate against
 
2061
    tarball_content = (
 
2062
        'QlpoOTFBWSZTWdGkj3wAAWF/k8aQACBIB//A9+8cIX/v33AACEAYABAECEACNz'
 
2063
        'JqsgJJFPTSnk1A3qh6mTQAAAANPUHkagkSTEkaA09QaNAAAGgAAAcwCYCZGAEY'
 
2064
        'mJhMJghpiaYBUkKammSHqNMZQ0NABkNAeo0AGneAevnlwQoGzEzNVzaYxp/1Uk'
 
2065
        'xXzA1CQX0BJMZZLcPBrluJir5SQyijWHYZ6ZUtVqqlYDdB2QoCwa9GyWwGYDMA'
 
2066
        'OQYhkpLt/OKFnnlT8E0PmO8+ZNSo2WWqeCzGB5fBXZ3IvV7uNJVE7DYnWj6qwB'
 
2067
        'k5DJDIrQ5OQHHIjkS9KqwG3mc3t+F1+iujb89ufyBNIKCgeZBWrl5cXxbMGoMs'
 
2068
        'c9JuUkg5YsiVcaZJurc6KLi6yKOkgCUOlIlOpOoXyrTJjK8ZgbklReDdwGmFgt'
 
2069
        'dkVsAIslSVCd4AtACSLbyhLHryfb14PKegrVDba+U8OL6KQtzdM5HLjAc8/p6n'
 
2070
        '0lgaWU8skgO7xupPTkyuwheSckejFLK5T4ZOo0Gda9viaIhpD1Qn7JqqlKAJqC'
 
2071
        'QplPKp2nqBWAfwBGaOwVrz3y1T+UZZNismXHsb2Jq18T+VaD9k4P8DqE3g70qV'
 
2072
        'JLurpnDI6VS5oqDDPVbtVjMxMxMg4rzQVipn2Bv1fVNK0iq3Gl0hhnnHKm/egy'
 
2073
        'nWQ7QH/F3JFOFCQ0aSPfA='
 
2074
        ).decode('base64')
 
2075
 
 
2076
    def test_repository_tarball(self):
 
2077
        # Test that Repository.tarball generates the right operations
 
2078
        transport_path = 'repo'
 
2079
        expected_calls = [('call_expecting_body', 'Repository.tarball',
 
2080
                           ('repo/', 'bz2',),),
 
2081
            ]
 
2082
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
2083
        client.add_success_response_with_body(self.tarball_content, 'ok')
 
2084
        # Now actually ask for the tarball
 
2085
        tarball_file = repo._get_tarball('bz2')
 
2086
        try:
 
2087
            self.assertEqual(expected_calls, client._calls)
 
2088
            self.assertEqual(self.tarball_content, tarball_file.read())
 
2089
        finally:
 
2090
            tarball_file.close()
 
2091
 
 
2092
 
 
2093
class TestRemoteRepositoryCopyContent(tests.TestCaseWithTransport):
 
2094
    """RemoteRepository.copy_content_into optimizations"""
 
2095
 
 
2096
    def test_copy_content_remote_to_local(self):
 
2097
        self.transport_server = server.SmartTCPServer_for_testing
 
2098
        src_repo = self.make_repository('repo1')
 
2099
        src_repo = repository.Repository.open(self.get_url('repo1'))
 
2100
        # At the moment the tarball-based copy_content_into can't write back
 
2101
        # into a smart server.  It would be good if it could upload the
 
2102
        # tarball; once that works we'd have to create repositories of
 
2103
        # different formats. -- mbp 20070410
 
2104
        dest_url = self.get_vfs_only_url('repo2')
 
2105
        dest_bzrdir = BzrDir.create(dest_url)
 
2106
        dest_repo = dest_bzrdir.create_repository()
 
2107
        self.assertFalse(isinstance(dest_repo, RemoteRepository))
 
2108
        self.assertTrue(isinstance(src_repo, RemoteRepository))
 
2109
        src_repo.copy_content_into(dest_repo)
 
2110
 
 
2111
 
 
2112
class _StubRealPackRepository(object):
 
2113
 
 
2114
    def __init__(self, calls):
 
2115
        self.calls = calls
 
2116
        self._pack_collection = _StubPackCollection(calls)
 
2117
 
 
2118
    def is_in_write_group(self):
 
2119
        return False
 
2120
 
 
2121
    def refresh_data(self):
 
2122
        self.calls.append(('pack collection reload_pack_names',))
 
2123
 
 
2124
 
 
2125
class _StubPackCollection(object):
 
2126
 
 
2127
    def __init__(self, calls):
 
2128
        self.calls = calls
 
2129
 
 
2130
    def autopack(self):
 
2131
        self.calls.append(('pack collection autopack',))
 
2132
 
 
2133
 
 
2134
class TestRemotePackRepositoryAutoPack(TestRemoteRepository):
 
2135
    """Tests for RemoteRepository.autopack implementation."""
 
2136
 
 
2137
    def test_ok(self):
 
2138
        """When the server returns 'ok' and there's no _real_repository, then
 
2139
        nothing else happens: the autopack method is done.
 
2140
        """
 
2141
        transport_path = 'quack'
 
2142
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
2143
        client.add_expected_call(
 
2144
            'PackRepository.autopack', ('quack/',), 'success', ('ok',))
 
2145
        repo.autopack()
 
2146
        client.finished_test()
 
2147
 
 
2148
    def test_ok_with_real_repo(self):
 
2149
        """When the server returns 'ok' and there is a _real_repository, then
 
2150
        the _real_repository's reload_pack_name's method will be called.
 
2151
        """
 
2152
        transport_path = 'quack'
 
2153
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
2154
        client.add_expected_call(
 
2155
            'PackRepository.autopack', ('quack/',),
 
2156
            'success', ('ok',))
 
2157
        repo._real_repository = _StubRealPackRepository(client._calls)
 
2158
        repo.autopack()
 
2159
        self.assertEqual(
 
2160
            [('call', 'PackRepository.autopack', ('quack/',)),
 
2161
             ('pack collection reload_pack_names',)],
 
2162
            client._calls)
 
2163
 
 
2164
    def test_backwards_compatibility(self):
 
2165
        """If the server does not recognise the PackRepository.autopack verb,
 
2166
        fallback to the real_repository's implementation.
 
2167
        """
 
2168
        transport_path = 'quack'
 
2169
        repo, client = self.setup_fake_client_and_repository(transport_path)
 
2170
        client.add_unknown_method_response('PackRepository.autopack')
 
2171
        def stub_ensure_real():
 
2172
            client._calls.append(('_ensure_real',))
 
2173
            repo._real_repository = _StubRealPackRepository(client._calls)
 
2174
        repo._ensure_real = stub_ensure_real
 
2175
        repo.autopack()
 
2176
        self.assertEqual(
 
2177
            [('call', 'PackRepository.autopack', ('quack/',)),
 
2178
             ('_ensure_real',),
 
2179
             ('pack collection autopack',)],
 
2180
            client._calls)
 
2181
 
 
2182
 
 
2183
class TestErrorTranslationBase(tests.TestCaseWithMemoryTransport):
 
2184
    """Base class for unit tests for bzrlib.remote._translate_error."""
 
2185
 
 
2186
    def translateTuple(self, error_tuple, **context):
 
2187
        """Call _translate_error with an ErrorFromSmartServer built from the
 
2188
        given error_tuple.
 
2189
 
 
2190
        :param error_tuple: A tuple of a smart server response, as would be
 
2191
            passed to an ErrorFromSmartServer.
 
2192
        :kwargs context: context items to call _translate_error with.
 
2193
 
 
2194
        :returns: The error raised by _translate_error.
 
2195
        """
 
2196
        # Raise the ErrorFromSmartServer before passing it as an argument,
 
2197
        # because _translate_error may need to re-raise it with a bare 'raise'
 
2198
        # statement.
 
2199
        server_error = errors.ErrorFromSmartServer(error_tuple)
 
2200
        translated_error = self.translateErrorFromSmartServer(
 
2201
            server_error, **context)
 
2202
        return translated_error
 
2203
 
 
2204
    def translateErrorFromSmartServer(self, error_object, **context):
 
2205
        """Like translateTuple, but takes an already constructed
 
2206
        ErrorFromSmartServer rather than a tuple.
 
2207
        """
 
2208
        try:
 
2209
            raise error_object
 
2210
        except errors.ErrorFromSmartServer, server_error:
 
2211
            translated_error = self.assertRaises(
 
2212
                errors.BzrError, remote._translate_error, server_error,
 
2213
                **context)
 
2214
        return translated_error
 
2215
 
 
2216
 
 
2217
class TestErrorTranslationSuccess(TestErrorTranslationBase):
 
2218
    """Unit tests for bzrlib.remote._translate_error.
 
2219
 
 
2220
    Given an ErrorFromSmartServer (which has an error tuple from a smart
 
2221
    server) and some context, _translate_error raises more specific errors from
 
2222
    bzrlib.errors.
 
2223
 
 
2224
    This test case covers the cases where _translate_error succeeds in
 
2225
    translating an ErrorFromSmartServer to something better.  See
 
2226
    TestErrorTranslationRobustness for other cases.
 
2227
    """
 
2228
 
 
2229
    def test_NoSuchRevision(self):
 
2230
        branch = self.make_branch('')
 
2231
        revid = 'revid'
 
2232
        translated_error = self.translateTuple(
 
2233
            ('NoSuchRevision', revid), branch=branch)
 
2234
        expected_error = errors.NoSuchRevision(branch, revid)
 
2235
        self.assertEqual(expected_error, translated_error)
 
2236
 
 
2237
    def test_nosuchrevision(self):
 
2238
        repository = self.make_repository('')
 
2239
        revid = 'revid'
 
2240
        translated_error = self.translateTuple(
 
2241
            ('nosuchrevision', revid), repository=repository)
 
2242
        expected_error = errors.NoSuchRevision(repository, revid)
 
2243
        self.assertEqual(expected_error, translated_error)
 
2244
 
 
2245
    def test_nobranch(self):
 
2246
        bzrdir = self.make_bzrdir('')
 
2247
        translated_error = self.translateTuple(('nobranch',), bzrdir=bzrdir)
 
2248
        expected_error = errors.NotBranchError(path=bzrdir.root_transport.base)
 
2249
        self.assertEqual(expected_error, translated_error)
 
2250
 
 
2251
    def test_LockContention(self):
 
2252
        translated_error = self.translateTuple(('LockContention',))
 
2253
        expected_error = errors.LockContention('(remote lock)')
 
2254
        self.assertEqual(expected_error, translated_error)
 
2255
 
 
2256
    def test_UnlockableTransport(self):
 
2257
        bzrdir = self.make_bzrdir('')
 
2258
        translated_error = self.translateTuple(
 
2259
            ('UnlockableTransport',), bzrdir=bzrdir)
 
2260
        expected_error = errors.UnlockableTransport(bzrdir.root_transport)
 
2261
        self.assertEqual(expected_error, translated_error)
 
2262
 
 
2263
    def test_LockFailed(self):
 
2264
        lock = 'str() of a server lock'
 
2265
        why = 'str() of why'
 
2266
        translated_error = self.translateTuple(('LockFailed', lock, why))
 
2267
        expected_error = errors.LockFailed(lock, why)
 
2268
        self.assertEqual(expected_error, translated_error)
 
2269
 
 
2270
    def test_TokenMismatch(self):
 
2271
        token = 'a lock token'
 
2272
        translated_error = self.translateTuple(('TokenMismatch',), token=token)
 
2273
        expected_error = errors.TokenMismatch(token, '(remote token)')
 
2274
        self.assertEqual(expected_error, translated_error)
 
2275
 
 
2276
    def test_Diverged(self):
 
2277
        branch = self.make_branch('a')
 
2278
        other_branch = self.make_branch('b')
 
2279
        translated_error = self.translateTuple(
 
2280
            ('Diverged',), branch=branch, other_branch=other_branch)
 
2281
        expected_error = errors.DivergedBranches(branch, other_branch)
 
2282
        self.assertEqual(expected_error, translated_error)
 
2283
 
 
2284
    def test_ReadError_no_args(self):
 
2285
        path = 'a path'
 
2286
        translated_error = self.translateTuple(('ReadError',), path=path)
 
2287
        expected_error = errors.ReadError(path)
 
2288
        self.assertEqual(expected_error, translated_error)
 
2289
 
 
2290
    def test_ReadError(self):
 
2291
        path = 'a path'
 
2292
        translated_error = self.translateTuple(('ReadError', path))
 
2293
        expected_error = errors.ReadError(path)
 
2294
        self.assertEqual(expected_error, translated_error)
 
2295
 
 
2296
    def test_PermissionDenied_no_args(self):
 
2297
        path = 'a path'
 
2298
        translated_error = self.translateTuple(('PermissionDenied',), path=path)
 
2299
        expected_error = errors.PermissionDenied(path)
 
2300
        self.assertEqual(expected_error, translated_error)
 
2301
 
 
2302
    def test_PermissionDenied_one_arg(self):
 
2303
        path = 'a path'
 
2304
        translated_error = self.translateTuple(('PermissionDenied', path))
 
2305
        expected_error = errors.PermissionDenied(path)
 
2306
        self.assertEqual(expected_error, translated_error)
 
2307
 
 
2308
    def test_PermissionDenied_one_arg_and_context(self):
 
2309
        """Given a choice between a path from the local context and a path on
 
2310
        the wire, _translate_error prefers the path from the local context.
 
2311
        """
 
2312
        local_path = 'local path'
 
2313
        remote_path = 'remote path'
 
2314
        translated_error = self.translateTuple(
 
2315
            ('PermissionDenied', remote_path), path=local_path)
 
2316
        expected_error = errors.PermissionDenied(local_path)
 
2317
        self.assertEqual(expected_error, translated_error)
 
2318
 
 
2319
    def test_PermissionDenied_two_args(self):
 
2320
        path = 'a path'
 
2321
        extra = 'a string with extra info'
 
2322
        translated_error = self.translateTuple(
 
2323
            ('PermissionDenied', path, extra))
 
2324
        expected_error = errors.PermissionDenied(path, extra)
 
2325
        self.assertEqual(expected_error, translated_error)
 
2326
 
 
2327
 
 
2328
class TestErrorTranslationRobustness(TestErrorTranslationBase):
 
2329
    """Unit tests for bzrlib.remote._translate_error's robustness.
 
2330
 
 
2331
    TestErrorTranslationSuccess is for cases where _translate_error can
 
2332
    translate successfully.  This class about how _translate_err behaves when
 
2333
    it fails to translate: it re-raises the original error.
 
2334
    """
 
2335
 
 
2336
    def test_unrecognised_server_error(self):
 
2337
        """If the error code from the server is not recognised, the original
 
2338
        ErrorFromSmartServer is propagated unmodified.
 
2339
        """
 
2340
        error_tuple = ('An unknown error tuple',)
 
2341
        server_error = errors.ErrorFromSmartServer(error_tuple)
 
2342
        translated_error = self.translateErrorFromSmartServer(server_error)
 
2343
        expected_error = errors.UnknownErrorFromSmartServer(server_error)
 
2344
        self.assertEqual(expected_error, translated_error)
 
2345
 
 
2346
    def test_context_missing_a_key(self):
 
2347
        """In case of a bug in the client, or perhaps an unexpected response
 
2348
        from a server, _translate_error returns the original error tuple from
 
2349
        the server and mutters a warning.
 
2350
        """
 
2351
        # To translate a NoSuchRevision error _translate_error needs a 'branch'
 
2352
        # in the context dict.  So let's give it an empty context dict instead
 
2353
        # to exercise its error recovery.
 
2354
        empty_context = {}
 
2355
        error_tuple = ('NoSuchRevision', 'revid')
 
2356
        server_error = errors.ErrorFromSmartServer(error_tuple)
 
2357
        translated_error = self.translateErrorFromSmartServer(server_error)
 
2358
        self.assertEqual(server_error, translated_error)
 
2359
        # In addition to re-raising ErrorFromSmartServer, some debug info has
 
2360
        # been muttered to the log file for developer to look at.
 
2361
        self.assertContainsRe(
 
2362
            self._get_log(keep_log_file=True),
 
2363
            "Missing key 'branch' in context")
 
2364
 
 
2365
    def test_path_missing(self):
 
2366
        """Some translations (PermissionDenied, ReadError) can determine the
 
2367
        'path' variable from either the wire or the local context.  If neither
 
2368
        has it, then an error is raised.
 
2369
        """
 
2370
        error_tuple = ('ReadError',)
 
2371
        server_error = errors.ErrorFromSmartServer(error_tuple)
 
2372
        translated_error = self.translateErrorFromSmartServer(server_error)
 
2373
        self.assertEqual(server_error, translated_error)
 
2374
        # In addition to re-raising ErrorFromSmartServer, some debug info has
 
2375
        # been muttered to the log file for developer to look at.
 
2376
        self.assertContainsRe(
 
2377
            self._get_log(keep_log_file=True), "Missing key 'path' in context")
 
2378
 
 
2379
 
 
2380
class TestStacking(tests.TestCaseWithTransport):
 
2381
    """Tests for operations on stacked remote repositories.
 
2382
 
 
2383
    The underlying format type must support stacking.
 
2384
    """
 
2385
 
 
2386
    def test_access_stacked_remote(self):
 
2387
        # based on <http://launchpad.net/bugs/261315>
 
2388
        # make a branch stacked on another repository containing an empty
 
2389
        # revision, then open it over hpss - we should be able to see that
 
2390
        # revision.
 
2391
        base_transport = self.get_transport()
 
2392
        base_builder = self.make_branch_builder('base', format='1.9')
 
2393
        base_builder.start_series()
 
2394
        base_revid = base_builder.build_snapshot('rev-id', None,
 
2395
            [('add', ('', None, 'directory', None))],
 
2396
            'message')
 
2397
        base_builder.finish_series()
 
2398
        stacked_branch = self.make_branch('stacked', format='1.9')
 
2399
        stacked_branch.set_stacked_on_url('../base')
 
2400
        # start a server looking at this
 
2401
        smart_server = server.SmartTCPServer_for_testing()
 
2402
        smart_server.setUp()
 
2403
        self.addCleanup(smart_server.tearDown)
 
2404
        remote_bzrdir = BzrDir.open(smart_server.get_url() + '/stacked')
 
2405
        # can get its branch and repository
 
2406
        remote_branch = remote_bzrdir.open_branch()
 
2407
        remote_repo = remote_branch.repository
 
2408
        remote_repo.lock_read()
 
2409
        try:
 
2410
            # it should have an appropriate fallback repository, which should also
 
2411
            # be a RemoteRepository
 
2412
            self.assertEquals(len(remote_repo._fallback_repositories), 1)
 
2413
            self.assertIsInstance(remote_repo._fallback_repositories[0],
 
2414
                RemoteRepository)
 
2415
            # and it has the revision committed to the underlying repository;
 
2416
            # these have varying implementations so we try several of them
 
2417
            self.assertTrue(remote_repo.has_revisions([base_revid]))
 
2418
            self.assertTrue(remote_repo.has_revision(base_revid))
 
2419
            self.assertEqual(remote_repo.get_revision(base_revid).message,
 
2420
                'message')
 
2421
        finally:
 
2422
            remote_repo.unlock()
 
2423
 
 
2424
    def prepare_stacked_remote_branch(self):
 
2425
        """Get stacked_upon and stacked branches with content in each."""
 
2426
        self.setup_smart_server_with_call_log()
 
2427
        tree1 = self.make_branch_and_tree('tree1', format='1.9')
 
2428
        tree1.commit('rev1', rev_id='rev1')
 
2429
        tree2 = tree1.branch.bzrdir.sprout('tree2', stacked=True
 
2430
            ).open_workingtree()
 
2431
        tree2.commit('local changes make me feel good.')
 
2432
        branch2 = Branch.open(self.get_url('tree2'))
 
2433
        branch2.lock_read()
 
2434
        self.addCleanup(branch2.unlock)
 
2435
        return tree1.branch, branch2
 
2436
 
 
2437
    def test_stacked_get_parent_map(self):
 
2438
        # the public implementation of get_parent_map obeys stacking
 
2439
        _, branch = self.prepare_stacked_remote_branch()
 
2440
        repo = branch.repository
 
2441
        self.assertEqual(['rev1'], repo.get_parent_map(['rev1']).keys())
 
2442
 
 
2443
    def test_unstacked_get_parent_map(self):
 
2444
        # _unstacked_provider.get_parent_map ignores stacking
 
2445
        _, branch = self.prepare_stacked_remote_branch()
 
2446
        provider = branch.repository._unstacked_provider
 
2447
        self.assertEqual([], provider.get_parent_map(['rev1']).keys())
 
2448
 
 
2449
    def fetch_stream_to_rev_order(self, stream):
 
2450
        result = []
 
2451
        for kind, substream in stream:
 
2452
            if not kind == 'revisions':
 
2453
                list(substream)
 
2454
            else:
 
2455
                for content in substream:
 
2456
                    result.append(content.key[-1])
 
2457
        return result
 
2458
 
 
2459
    def get_ordered_revs(self, format, order):
 
2460
        """Get a list of the revisions in a stream to format format.
 
2461
 
 
2462
        :param format: The format of the target.
 
2463
        :param order: the order that target should have requested.
 
2464
        :result: The revision ids in the stream, in the order seen,
 
2465
            the topological order of revisions in the source.
 
2466
        """
 
2467
        unordered_format = bzrdir.format_registry.get(format)()
 
2468
        target_repository_format = unordered_format.repository_format
 
2469
        # Cross check
 
2470
        self.assertEqual(order, target_repository_format._fetch_order)
 
2471
        trunk, stacked = self.prepare_stacked_remote_branch()
 
2472
        source = stacked.repository._get_source(target_repository_format)
 
2473
        tip = stacked.last_revision()
 
2474
        revs = stacked.repository.get_ancestry(tip)
 
2475
        search = graph.PendingAncestryResult([tip], stacked.repository)
 
2476
        self.reset_smart_call_log()
 
2477
        stream = source.get_stream(search)
 
2478
        if None in revs:
 
2479
            revs.remove(None)
 
2480
        # We trust that if a revision is in the stream the rest of the new
 
2481
        # content for it is too, as per our main fetch tests; here we are
 
2482
        # checking that the revisions are actually included at all, and their
 
2483
        # order.
 
2484
        return self.fetch_stream_to_rev_order(stream), revs
 
2485
 
 
2486
    def test_stacked_get_stream_unordered(self):
 
2487
        # Repository._get_source.get_stream() from a stacked repository with
 
2488
        # unordered yields the full data from both stacked and stacked upon
 
2489
        # sources.
 
2490
        rev_ord, expected_revs = self.get_ordered_revs('1.9', 'unordered')
 
2491
        self.assertEqual(set(expected_revs), set(rev_ord))
 
2492
        # Getting unordered results should have made a streaming data request
 
2493
        # from the server, then one from the backing branch.
 
2494
        self.assertLength(2, self.hpss_calls)
 
2495
 
 
2496
    def test_stacked_get_stream_topological(self):
 
2497
        # Repository._get_source.get_stream() from a stacked repository with
 
2498
        # topological sorting yields the full data from both stacked and
 
2499
        # stacked upon sources in topological order.
 
2500
        rev_ord, expected_revs = self.get_ordered_revs('knit', 'topological')
 
2501
        self.assertEqual(expected_revs, rev_ord)
 
2502
        # Getting topological sort requires VFS calls still
 
2503
        self.assertLength(12, self.hpss_calls)
 
2504
 
 
2505
    def test_stacked_get_stream_groupcompress(self):
 
2506
        # Repository._get_source.get_stream() from a stacked repository with
 
2507
        # groupcompress sorting yields the full data from both stacked and
 
2508
        # stacked upon sources in groupcompress order.
 
2509
        raise tests.TestSkipped('No groupcompress ordered format available')
 
2510
        rev_ord, expected_revs = self.get_ordered_revs('dev5', 'groupcompress')
 
2511
        self.assertEqual(expected_revs, reversed(rev_ord))
 
2512
        # Getting unordered results should have made a streaming data request
 
2513
        # from the backing branch, and one from the stacked on branch.
 
2514
        self.assertLength(2, self.hpss_calls)
 
2515
 
 
2516
 
 
2517
class TestRemoteBranchEffort(tests.TestCaseWithTransport):
 
2518
 
 
2519
    def setUp(self):
 
2520
        super(TestRemoteBranchEffort, self).setUp()
 
2521
        # Create a smart server that publishes whatever the backing VFS server
 
2522
        # does.
 
2523
        self.smart_server = server.SmartTCPServer_for_testing()
 
2524
        self.smart_server.setUp(self.get_server())
 
2525
        self.addCleanup(self.smart_server.tearDown)
 
2526
        # Log all HPSS calls into self.hpss_calls.
 
2527
        _SmartClient.hooks.install_named_hook(
 
2528
            'call', self.capture_hpss_call, None)
 
2529
        self.hpss_calls = []
 
2530
 
 
2531
    def capture_hpss_call(self, params):
 
2532
        self.hpss_calls.append(params.method)
 
2533
 
 
2534
    def test_copy_content_into_avoids_revision_history(self):
 
2535
        local = self.make_branch('local')
 
2536
        remote_backing_tree = self.make_branch_and_tree('remote')
 
2537
        remote_backing_tree.commit("Commit.")
 
2538
        remote_branch_url = self.smart_server.get_url() + 'remote'
 
2539
        remote_branch = bzrdir.BzrDir.open(remote_branch_url).open_branch()
 
2540
        local.repository.fetch(remote_branch.repository)
 
2541
        self.hpss_calls = []
 
2542
        remote_branch.copy_content_into(local)
 
2543
        self.assertFalse('Branch.revision_history' in self.hpss_calls)