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Update test support, and remove deprecated functions pullable_revisions and get_intervening_revisions.

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1
 
# Copyright (C) 2006, 2007, 2008 Canonical Ltd
2
 
#
3
 
# This program is free software; you can redistribute it and/or modify
4
 
# it under the terms of the GNU General Public License as published by
5
 
# the Free Software Foundation; either version 2 of the License, or
6
 
# (at your option) any later version.
7
 
#
8
 
# This program is distributed in the hope that it will be useful,
9
 
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
 
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11
 
# GNU General Public License for more details.
12
 
#
13
 
# You should have received a copy of the GNU General Public License
14
 
# along with this program; if not, write to the Free Software
15
 
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
16
 
 
17
 
"""Tests for remote bzrdir/branch/repo/etc
18
 
 
19
 
These are proxy objects which act on remote objects by sending messages
20
 
through a smart client.  The proxies are to be created when attempting to open
21
 
the object given a transport that supports smartserver rpc operations. 
22
 
 
23
 
These tests correspond to tests.test_smart, which exercises the server side.
24
 
"""
25
 
 
26
 
import bz2
27
 
from cStringIO import StringIO
28
 
 
29
 
from bzrlib import (
30
 
    errors,
31
 
    graph,
32
 
    pack,
33
 
    remote,
34
 
    repository,
35
 
    tests,
36
 
    )
37
 
from bzrlib.branch import Branch
38
 
from bzrlib.bzrdir import BzrDir, BzrDirFormat
39
 
from bzrlib.remote import (
40
 
    RemoteBranch,
41
 
    RemoteBzrDir,
42
 
    RemoteBzrDirFormat,
43
 
    RemoteRepository,
44
 
    )
45
 
from bzrlib.revision import NULL_REVISION
46
 
from bzrlib.smart import server, medium
47
 
from bzrlib.smart.client import _SmartClient
48
 
from bzrlib.symbol_versioning import one_four
49
 
from bzrlib.transport import get_transport, http
50
 
from bzrlib.transport.memory import MemoryTransport
51
 
from bzrlib.transport.remote import RemoteTransport, RemoteTCPTransport
52
 
 
53
 
 
54
 
class BasicRemoteObjectTests(tests.TestCaseWithTransport):
55
 
 
56
 
    def setUp(self):
57
 
        self.transport_server = server.SmartTCPServer_for_testing
58
 
        super(BasicRemoteObjectTests, self).setUp()
59
 
        self.transport = self.get_transport()
60
 
        # make a branch that can be opened over the smart transport
61
 
        self.local_wt = BzrDir.create_standalone_workingtree('.')
62
 
 
63
 
    def tearDown(self):
64
 
        self.transport.disconnect()
65
 
        tests.TestCaseWithTransport.tearDown(self)
66
 
 
67
 
    def test_create_remote_bzrdir(self):
68
 
        b = remote.RemoteBzrDir(self.transport)
69
 
        self.assertIsInstance(b, BzrDir)
70
 
 
71
 
    def test_open_remote_branch(self):
72
 
        # open a standalone branch in the working directory
73
 
        b = remote.RemoteBzrDir(self.transport)
74
 
        branch = b.open_branch()
75
 
        self.assertIsInstance(branch, Branch)
76
 
 
77
 
    def test_remote_repository(self):
78
 
        b = BzrDir.open_from_transport(self.transport)
79
 
        repo = b.open_repository()
80
 
        revid = u'\xc823123123'.encode('utf8')
81
 
        self.assertFalse(repo.has_revision(revid))
82
 
        self.local_wt.commit(message='test commit', rev_id=revid)
83
 
        self.assertTrue(repo.has_revision(revid))
84
 
 
85
 
    def test_remote_branch_revision_history(self):
86
 
        b = BzrDir.open_from_transport(self.transport).open_branch()
87
 
        self.assertEqual([], b.revision_history())
88
 
        r1 = self.local_wt.commit('1st commit')
89
 
        r2 = self.local_wt.commit('1st commit', rev_id=u'\xc8'.encode('utf8'))
90
 
        self.assertEqual([r1, r2], b.revision_history())
91
 
 
92
 
    def test_find_correct_format(self):
93
 
        """Should open a RemoteBzrDir over a RemoteTransport"""
94
 
        fmt = BzrDirFormat.find_format(self.transport)
95
 
        self.assertTrue(RemoteBzrDirFormat
96
 
                        in BzrDirFormat._control_server_formats)
97
 
        self.assertIsInstance(fmt, remote.RemoteBzrDirFormat)
98
 
 
99
 
    def test_open_detected_smart_format(self):
100
 
        fmt = BzrDirFormat.find_format(self.transport)
101
 
        d = fmt.open(self.transport)
102
 
        self.assertIsInstance(d, BzrDir)
103
 
 
104
 
    def test_remote_branch_repr(self):
105
 
        b = BzrDir.open_from_transport(self.transport).open_branch()
106
 
        self.assertStartsWith(str(b), 'RemoteBranch(')
107
 
 
108
 
 
109
 
class FakeProtocol(object):
110
 
    """Lookalike SmartClientRequestProtocolOne allowing body reading tests."""
111
 
 
112
 
    def __init__(self, body, fake_client):
113
 
        self.body = body
114
 
        self._body_buffer = None
115
 
        self._fake_client = fake_client
116
 
 
117
 
    def read_body_bytes(self, count=-1):
118
 
        if self._body_buffer is None:
119
 
            self._body_buffer = StringIO(self.body)
120
 
        bytes = self._body_buffer.read(count)
121
 
        if self._body_buffer.tell() == len(self._body_buffer.getvalue()):
122
 
            self._fake_client.expecting_body = False
123
 
        return bytes
124
 
 
125
 
    def cancel_read_body(self):
126
 
        self._fake_client.expecting_body = False
127
 
 
128
 
    def read_streamed_body(self):
129
 
        return self.body
130
 
 
131
 
 
132
 
class FakeClient(_SmartClient):
133
 
    """Lookalike for _SmartClient allowing testing."""
134
 
    
135
 
    def __init__(self, fake_medium_base='fake base'):
136
 
        """Create a FakeClient.
137
 
 
138
 
        :param responses: A list of response-tuple, body-data pairs to be sent
139
 
            back to callers.  A special case is if the response-tuple is
140
 
            'unknown verb', then a UnknownSmartMethod will be raised for that
141
 
            call, using the second element of the tuple as the verb in the
142
 
            exception.
143
 
        """
144
 
        self.responses = []
145
 
        self._calls = []
146
 
        self.expecting_body = False
147
 
        _SmartClient.__init__(self, FakeMedium(self._calls, fake_medium_base))
148
 
 
149
 
    def add_success_response(self, *args):
150
 
        self.responses.append(('success', args, None))
151
 
 
152
 
    def add_success_response_with_body(self, body, *args):
153
 
        self.responses.append(('success', args, body))
154
 
 
155
 
    def add_error_response(self, *args):
156
 
        self.responses.append(('error', args))
157
 
 
158
 
    def add_unknown_method_response(self, verb):
159
 
        self.responses.append(('unknown', verb))
160
 
 
161
 
    def _get_next_response(self):
162
 
        response_tuple = self.responses.pop(0)
163
 
        if response_tuple[0] == 'unknown':
164
 
            raise errors.UnknownSmartMethod(response_tuple[1])
165
 
        elif response_tuple[0] == 'error':
166
 
            raise errors.ErrorFromSmartServer(response_tuple[1])
167
 
        return response_tuple
168
 
 
169
 
    def call(self, method, *args):
170
 
        self._calls.append(('call', method, args))
171
 
        return self._get_next_response()[1]
172
 
 
173
 
    def call_expecting_body(self, method, *args):
174
 
        self._calls.append(('call_expecting_body', method, args))
175
 
        result = self._get_next_response()
176
 
        self.expecting_body = True
177
 
        return result[1], FakeProtocol(result[2], self)
178
 
 
179
 
    def call_with_body_bytes_expecting_body(self, method, args, body):
180
 
        self._calls.append(('call_with_body_bytes_expecting_body', method,
181
 
            args, body))
182
 
        result = self._get_next_response()
183
 
        self.expecting_body = True
184
 
        return result[1], FakeProtocol(result[2], self)
185
 
 
186
 
 
187
 
class FakeMedium(medium.SmartClientMedium):
188
 
 
189
 
    def __init__(self, client_calls, base):
190
 
        self._remote_is_at_least_1_2 = True
191
 
        self._client_calls = client_calls
192
 
        self.base = base
193
 
 
194
 
    def disconnect(self):
195
 
        self._client_calls.append(('disconnect medium',))
196
 
 
197
 
 
198
 
class TestVfsHas(tests.TestCase):
199
 
 
200
 
    def test_unicode_path(self):
201
 
        client = FakeClient('/')
202
 
        client.add_success_response('yes',)
203
 
        transport = RemoteTransport('bzr://localhost/', _client=client)
204
 
        filename = u'/hell\u00d8'.encode('utf8')
205
 
        result = transport.has(filename)
206
 
        self.assertEqual(
207
 
            [('call', 'has', (filename,))],
208
 
            client._calls)
209
 
        self.assertTrue(result)
210
 
 
211
 
 
212
 
class Test_ClientMedium_remote_path_from_transport(tests.TestCase):
213
 
    """Tests for the behaviour of client_medium.remote_path_from_transport."""
214
 
 
215
 
    def assertRemotePath(self, expected, client_base, transport_base):
216
 
        """Assert that the result of
217
 
        SmartClientMedium.remote_path_from_transport is the expected value for
218
 
        a given client_base and transport_base.
219
 
        """
220
 
        client_medium = medium.SmartClientMedium(client_base)
221
 
        transport = get_transport(transport_base)
222
 
        result = client_medium.remote_path_from_transport(transport)
223
 
        self.assertEqual(expected, result)
224
 
 
225
 
    def test_remote_path_from_transport(self):
226
 
        """SmartClientMedium.remote_path_from_transport calculates a URL for
227
 
        the given transport relative to the root of the client base URL.
228
 
        """
229
 
        self.assertRemotePath('xyz/', 'bzr://host/path', 'bzr://host/xyz')
230
 
        self.assertRemotePath(
231
 
            'path/xyz/', 'bzr://host/path', 'bzr://host/path/xyz')
232
 
 
233
 
    def assertRemotePathHTTP(self, expected, transport_base, relpath):
234
 
        """Assert that the result of
235
 
        HttpTransportBase.remote_path_from_transport is the expected value for
236
 
        a given transport_base and relpath of that transport.  (Note that
237
 
        HttpTransportBase is a subclass of SmartClientMedium)
238
 
        """
239
 
        base_transport = get_transport(transport_base)
240
 
        client_medium = base_transport.get_smart_medium()
241
 
        cloned_transport = base_transport.clone(relpath)
242
 
        result = client_medium.remote_path_from_transport(cloned_transport)
243
 
        self.assertEqual(expected, result)
244
 
        
245
 
    def test_remote_path_from_transport_http(self):
246
 
        """Remote paths for HTTP transports are calculated differently to other
247
 
        transports.  They are just relative to the client base, not the root
248
 
        directory of the host.
249
 
        """
250
 
        for scheme in ['http:', 'https:', 'bzr+http:', 'bzr+https:']:
251
 
            self.assertRemotePathHTTP(
252
 
                '../xyz/', scheme + '//host/path', '../xyz/')
253
 
            self.assertRemotePathHTTP(
254
 
                'xyz/', scheme + '//host/path', 'xyz/')
255
 
 
256
 
 
257
 
class TestBzrDirOpenBranch(tests.TestCase):
258
 
 
259
 
    def test_branch_present(self):
260
 
        transport = MemoryTransport()
261
 
        transport.mkdir('quack')
262
 
        transport = transport.clone('quack')
263
 
        client = FakeClient(transport.base)
264
 
        client.add_success_response('ok', '')
265
 
        client.add_success_response('ok', '', 'no', 'no', 'no')
266
 
        bzrdir = RemoteBzrDir(transport, _client=client)
267
 
        result = bzrdir.open_branch()
268
 
        self.assertEqual(
269
 
            [('call', 'BzrDir.open_branch', ('quack/',)),
270
 
             ('call', 'BzrDir.find_repositoryV2', ('quack/',))],
271
 
            client._calls)
272
 
        self.assertIsInstance(result, RemoteBranch)
273
 
        self.assertEqual(bzrdir, result.bzrdir)
274
 
 
275
 
    def test_branch_missing(self):
276
 
        transport = MemoryTransport()
277
 
        transport.mkdir('quack')
278
 
        transport = transport.clone('quack')
279
 
        client = FakeClient(transport.base)
280
 
        client.add_error_response('nobranch')
281
 
        bzrdir = RemoteBzrDir(transport, _client=client)
282
 
        self.assertRaises(errors.NotBranchError, bzrdir.open_branch)
283
 
        self.assertEqual(
284
 
            [('call', 'BzrDir.open_branch', ('quack/',))],
285
 
            client._calls)
286
 
 
287
 
    def test__get_tree_branch(self):
288
 
        # _get_tree_branch is a form of open_branch, but it should only ask for
289
 
        # branch opening, not any other network requests.
290
 
        calls = []
291
 
        def open_branch():
292
 
            calls.append("Called")
293
 
            return "a-branch"
294
 
        transport = MemoryTransport()
295
 
        # no requests on the network - catches other api calls being made.
296
 
        client = FakeClient(transport.base)
297
 
        bzrdir = RemoteBzrDir(transport, _client=client)
298
 
        # patch the open_branch call to record that it was called.
299
 
        bzrdir.open_branch = open_branch
300
 
        self.assertEqual((None, "a-branch"), bzrdir._get_tree_branch())
301
 
        self.assertEqual(["Called"], calls)
302
 
        self.assertEqual([], client._calls)
303
 
 
304
 
    def test_url_quoting_of_path(self):
305
 
        # Relpaths on the wire should not be URL-escaped.  So "~" should be
306
 
        # transmitted as "~", not "%7E".
307
 
        transport = RemoteTCPTransport('bzr://localhost/~hello/')
308
 
        client = FakeClient(transport.base)
309
 
        client.add_success_response('ok', '')
310
 
        client.add_success_response('ok', '', 'no', 'no', 'no')
311
 
        bzrdir = RemoteBzrDir(transport, _client=client)
312
 
        result = bzrdir.open_branch()
313
 
        self.assertEqual(
314
 
            [('call', 'BzrDir.open_branch', ('~hello/',)),
315
 
             ('call', 'BzrDir.find_repositoryV2', ('~hello/',))],
316
 
            client._calls)
317
 
 
318
 
    def check_open_repository(self, rich_root, subtrees, external_lookup='no'):
319
 
        transport = MemoryTransport()
320
 
        transport.mkdir('quack')
321
 
        transport = transport.clone('quack')
322
 
        if rich_root:
323
 
            rich_response = 'yes'
324
 
        else:
325
 
            rich_response = 'no'
326
 
        if subtrees:
327
 
            subtree_response = 'yes'
328
 
        else:
329
 
            subtree_response = 'no'
330
 
        client = FakeClient(transport.base)
331
 
        client.add_success_response(
332
 
            'ok', '', rich_response, subtree_response, external_lookup)
333
 
        bzrdir = RemoteBzrDir(transport, _client=client)
334
 
        result = bzrdir.open_repository()
335
 
        self.assertEqual(
336
 
            [('call', 'BzrDir.find_repositoryV2', ('quack/',))],
337
 
            client._calls)
338
 
        self.assertIsInstance(result, RemoteRepository)
339
 
        self.assertEqual(bzrdir, result.bzrdir)
340
 
        self.assertEqual(rich_root, result._format.rich_root_data)
341
 
        self.assertEqual(subtrees, result._format.supports_tree_reference)
342
 
 
343
 
    def test_open_repository_sets_format_attributes(self):
344
 
        self.check_open_repository(True, True)
345
 
        self.check_open_repository(False, True)
346
 
        self.check_open_repository(True, False)
347
 
        self.check_open_repository(False, False)
348
 
        self.check_open_repository(False, False, 'yes')
349
 
 
350
 
    def test_old_server(self):
351
 
        """RemoteBzrDirFormat should fail to probe if the server version is too
352
 
        old.
353
 
        """
354
 
        self.assertRaises(errors.NotBranchError,
355
 
            RemoteBzrDirFormat.probe_transport, OldServerTransport())
356
 
 
357
 
 
358
 
class TestBzrDirOpenRepository(tests.TestCase):
359
 
 
360
 
    def test_backwards_compat_1_2(self):
361
 
        transport = MemoryTransport()
362
 
        transport.mkdir('quack')
363
 
        transport = transport.clone('quack')
364
 
        client = FakeClient(transport.base)
365
 
        client.add_unknown_method_response('RemoteRepository.find_repositoryV2')
366
 
        client.add_success_response('ok', '', 'no', 'no')
367
 
        bzrdir = RemoteBzrDir(transport, _client=client)
368
 
        repo = bzrdir.open_repository()
369
 
        self.assertEqual(
370
 
            [('call', 'BzrDir.find_repositoryV2', ('quack/',)),
371
 
             ('call', 'BzrDir.find_repository', ('quack/',))],
372
 
            client._calls)
373
 
 
374
 
 
375
 
class OldSmartClient(object):
376
 
    """A fake smart client for test_old_version that just returns a version one
377
 
    response to the 'hello' (query version) command.
378
 
    """
379
 
 
380
 
    def get_request(self):
381
 
        input_file = StringIO('ok\x011\n')
382
 
        output_file = StringIO()
383
 
        client_medium = medium.SmartSimplePipesClientMedium(
384
 
            input_file, output_file)
385
 
        return medium.SmartClientStreamMediumRequest(client_medium)
386
 
 
387
 
    def protocol_version(self):
388
 
        return 1
389
 
 
390
 
 
391
 
class OldServerTransport(object):
392
 
    """A fake transport for test_old_server that reports it's smart server
393
 
    protocol version as version one.
394
 
    """
395
 
 
396
 
    def __init__(self):
397
 
        self.base = 'fake:'
398
 
 
399
 
    def get_smart_client(self):
400
 
        return OldSmartClient()
401
 
 
402
 
 
403
 
class TestBranchLastRevisionInfo(tests.TestCase):
404
 
 
405
 
    def test_empty_branch(self):
406
 
        # in an empty branch we decode the response properly
407
 
        transport = MemoryTransport()
408
 
        client = FakeClient(transport.base)
409
 
        client.add_success_response('ok', '0', 'null:')
410
 
        transport.mkdir('quack')
411
 
        transport = transport.clone('quack')
412
 
        # we do not want bzrdir to make any remote calls
413
 
        bzrdir = RemoteBzrDir(transport, _client=False)
414
 
        branch = RemoteBranch(bzrdir, None, _client=client)
415
 
        result = branch.last_revision_info()
416
 
 
417
 
        self.assertEqual(
418
 
            [('call', 'Branch.last_revision_info', ('quack/',))],
419
 
            client._calls)
420
 
        self.assertEqual((0, NULL_REVISION), result)
421
 
 
422
 
    def test_non_empty_branch(self):
423
 
        # in a non-empty branch we also decode the response properly
424
 
        revid = u'\xc8'.encode('utf8')
425
 
        transport = MemoryTransport()
426
 
        client = FakeClient(transport.base)
427
 
        client.add_success_response('ok', '2', revid)
428
 
        transport.mkdir('kwaak')
429
 
        transport = transport.clone('kwaak')
430
 
        # we do not want bzrdir to make any remote calls
431
 
        bzrdir = RemoteBzrDir(transport, _client=False)
432
 
        branch = RemoteBranch(bzrdir, None, _client=client)
433
 
        result = branch.last_revision_info()
434
 
 
435
 
        self.assertEqual(
436
 
            [('call', 'Branch.last_revision_info', ('kwaak/',))],
437
 
            client._calls)
438
 
        self.assertEqual((2, revid), result)
439
 
 
440
 
 
441
 
class TestBranchSetLastRevision(tests.TestCase):
442
 
 
443
 
    def test_set_empty(self):
444
 
        # set_revision_history([]) is translated to calling
445
 
        # Branch.set_last_revision(path, '') on the wire.
446
 
        transport = MemoryTransport()
447
 
        transport.mkdir('branch')
448
 
        transport = transport.clone('branch')
449
 
 
450
 
        client = FakeClient(transport.base)
451
 
        # lock_write
452
 
        client.add_success_response('ok', 'branch token', 'repo token')
453
 
        # set_last_revision
454
 
        client.add_success_response('ok')
455
 
        # unlock
456
 
        client.add_success_response('ok')
457
 
        bzrdir = RemoteBzrDir(transport, _client=False)
458
 
        branch = RemoteBranch(bzrdir, None, _client=client)
459
 
        # This is a hack to work around the problem that RemoteBranch currently
460
 
        # unnecessarily invokes _ensure_real upon a call to lock_write.
461
 
        branch._ensure_real = lambda: None
462
 
        branch.lock_write()
463
 
        client._calls = []
464
 
        result = branch.set_revision_history([])
465
 
        self.assertEqual(
466
 
            [('call', 'Branch.set_last_revision',
467
 
                ('branch/', 'branch token', 'repo token', 'null:'))],
468
 
            client._calls)
469
 
        branch.unlock()
470
 
        self.assertEqual(None, result)
471
 
 
472
 
    def test_set_nonempty(self):
473
 
        # set_revision_history([rev-id1, ..., rev-idN]) is translated to calling
474
 
        # Branch.set_last_revision(path, rev-idN) on the wire.
475
 
        transport = MemoryTransport()
476
 
        transport.mkdir('branch')
477
 
        transport = transport.clone('branch')
478
 
 
479
 
        client = FakeClient(transport.base)
480
 
        # lock_write
481
 
        client.add_success_response('ok', 'branch token', 'repo token')
482
 
        # set_last_revision
483
 
        client.add_success_response('ok')
484
 
        # unlock
485
 
        client.add_success_response('ok')
486
 
        bzrdir = RemoteBzrDir(transport, _client=False)
487
 
        branch = RemoteBranch(bzrdir, None, _client=client)
488
 
        # This is a hack to work around the problem that RemoteBranch currently
489
 
        # unnecessarily invokes _ensure_real upon a call to lock_write.
490
 
        branch._ensure_real = lambda: None
491
 
        # Lock the branch, reset the record of remote calls.
492
 
        branch.lock_write()
493
 
        client._calls = []
494
 
 
495
 
        result = branch.set_revision_history(['rev-id1', 'rev-id2'])
496
 
        self.assertEqual(
497
 
            [('call', 'Branch.set_last_revision',
498
 
                ('branch/', 'branch token', 'repo token', 'rev-id2'))],
499
 
            client._calls)
500
 
        branch.unlock()
501
 
        self.assertEqual(None, result)
502
 
 
503
 
    def test_no_such_revision(self):
504
 
        transport = MemoryTransport()
505
 
        transport.mkdir('branch')
506
 
        transport = transport.clone('branch')
507
 
        # A response of 'NoSuchRevision' is translated into an exception.
508
 
        client = FakeClient(transport.base)
509
 
        # lock_write
510
 
        client.add_success_response('ok', 'branch token', 'repo token')
511
 
        # set_last_revision
512
 
        client.add_error_response('NoSuchRevision', 'rev-id')
513
 
        # unlock
514
 
        client.add_success_response('ok')
515
 
 
516
 
        bzrdir = RemoteBzrDir(transport, _client=False)
517
 
        branch = RemoteBranch(bzrdir, None, _client=client)
518
 
        branch._ensure_real = lambda: None
519
 
        branch.lock_write()
520
 
        client._calls = []
521
 
 
522
 
        self.assertRaises(
523
 
            errors.NoSuchRevision, branch.set_revision_history, ['rev-id'])
524
 
        branch.unlock()
525
 
 
526
 
 
527
 
class TestBranchSetLastRevisionInfo(tests.TestCase):
528
 
 
529
 
    def test_set_last_revision_info(self):
530
 
        # set_last_revision_info(num, 'rev-id') is translated to calling
531
 
        # Branch.set_last_revision_info(num, 'rev-id') on the wire.
532
 
        transport = MemoryTransport()
533
 
        transport.mkdir('branch')
534
 
        transport = transport.clone('branch')
535
 
        client = FakeClient(transport.base)
536
 
        # lock_write
537
 
        client.add_success_response('ok', 'branch token', 'repo token')
538
 
        # set_last_revision
539
 
        client.add_success_response('ok')
540
 
        # unlock
541
 
        client.add_success_response('ok')
542
 
 
543
 
        bzrdir = RemoteBzrDir(transport, _client=False)
544
 
        branch = RemoteBranch(bzrdir, None, _client=client)
545
 
        # This is a hack to work around the problem that RemoteBranch currently
546
 
        # unnecessarily invokes _ensure_real upon a call to lock_write.
547
 
        branch._ensure_real = lambda: None
548
 
        # Lock the branch, reset the record of remote calls.
549
 
        branch.lock_write()
550
 
        client._calls = []
551
 
        result = branch.set_last_revision_info(1234, 'a-revision-id')
552
 
        self.assertEqual(
553
 
            [('call', 'Branch.set_last_revision_info',
554
 
                ('branch/', 'branch token', 'repo token',
555
 
                 '1234', 'a-revision-id'))],
556
 
            client._calls)
557
 
        self.assertEqual(None, result)
558
 
 
559
 
    def test_no_such_revision(self):
560
 
        # A response of 'NoSuchRevision' is translated into an exception.
561
 
        transport = MemoryTransport()
562
 
        transport.mkdir('branch')
563
 
        transport = transport.clone('branch')
564
 
        client = FakeClient(transport.base)
565
 
        # lock_write
566
 
        client.add_success_response('ok', 'branch token', 'repo token')
567
 
        # set_last_revision
568
 
        client.add_error_response('NoSuchRevision', 'revid')
569
 
        # unlock
570
 
        client.add_success_response('ok')
571
 
 
572
 
        bzrdir = RemoteBzrDir(transport, _client=False)
573
 
        branch = RemoteBranch(bzrdir, None, _client=client)
574
 
        # This is a hack to work around the problem that RemoteBranch currently
575
 
        # unnecessarily invokes _ensure_real upon a call to lock_write.
576
 
        branch._ensure_real = lambda: None
577
 
        # Lock the branch, reset the record of remote calls.
578
 
        branch.lock_write()
579
 
        client._calls = []
580
 
 
581
 
        self.assertRaises(
582
 
            errors.NoSuchRevision, branch.set_last_revision_info, 123, 'revid')
583
 
        branch.unlock()
584
 
 
585
 
    def lock_remote_branch(self, branch):
586
 
        """Trick a RemoteBranch into thinking it is locked."""
587
 
        branch._lock_mode = 'w'
588
 
        branch._lock_count = 2
589
 
        branch._lock_token = 'branch token'
590
 
        branch._repo_lock_token = 'repo token'
591
 
 
592
 
    def test_backwards_compatibility(self):
593
 
        """If the server does not support the Branch.set_last_revision_info
594
 
        verb (which is new in 1.4), then the client falls back to VFS methods.
595
 
        """
596
 
        # This test is a little messy.  Unlike most tests in this file, it
597
 
        # doesn't purely test what a Remote* object sends over the wire, and
598
 
        # how it reacts to responses from the wire.  It instead relies partly
599
 
        # on asserting that the RemoteBranch will call
600
 
        # self._real_branch.set_last_revision_info(...).
601
 
 
602
 
        # First, set up our RemoteBranch with a FakeClient that raises
603
 
        # UnknownSmartMethod, and a StubRealBranch that logs how it is called.
604
 
        transport = MemoryTransport()
605
 
        transport.mkdir('branch')
606
 
        transport = transport.clone('branch')
607
 
        client = FakeClient(transport.base)
608
 
        client.add_unknown_method_response('Branch.set_last_revision_info')
609
 
        bzrdir = RemoteBzrDir(transport, _client=False)
610
 
        branch = RemoteBranch(bzrdir, None, _client=client)
611
 
        class StubRealBranch(object):
612
 
            def __init__(self):
613
 
                self.calls = []
614
 
            def set_last_revision_info(self, revno, revision_id):
615
 
                self.calls.append(
616
 
                    ('set_last_revision_info', revno, revision_id))
617
 
        real_branch = StubRealBranch()
618
 
        branch._real_branch = real_branch
619
 
        self.lock_remote_branch(branch)
620
 
 
621
 
        # Call set_last_revision_info, and verify it behaved as expected.
622
 
        result = branch.set_last_revision_info(1234, 'a-revision-id')
623
 
        self.assertEqual(
624
 
            [('call', 'Branch.set_last_revision_info',
625
 
                ('branch/', 'branch token', 'repo token',
626
 
                 '1234', 'a-revision-id')),],
627
 
            client._calls)
628
 
        self.assertEqual(
629
 
            [('set_last_revision_info', 1234, 'a-revision-id')],
630
 
            real_branch.calls)
631
 
 
632
 
    def test_unexpected_error(self):
633
 
        # A response of 'NoSuchRevision' is translated into an exception.
634
 
        transport = MemoryTransport()
635
 
        transport.mkdir('branch')
636
 
        transport = transport.clone('branch')
637
 
        client = FakeClient(transport.base)
638
 
        # lock_write
639
 
        client.add_success_response('ok', 'branch token', 'repo token')
640
 
        # set_last_revision
641
 
        client.add_error_response('UnexpectedError')
642
 
        # unlock
643
 
        client.add_success_response('ok')
644
 
 
645
 
        bzrdir = RemoteBzrDir(transport, _client=False)
646
 
        branch = RemoteBranch(bzrdir, None, _client=client)
647
 
        # This is a hack to work around the problem that RemoteBranch currently
648
 
        # unnecessarily invokes _ensure_real upon a call to lock_write.
649
 
        branch._ensure_real = lambda: None
650
 
        # Lock the branch, reset the record of remote calls.
651
 
        branch.lock_write()
652
 
        client._calls = []
653
 
 
654
 
        err = self.assertRaises(
655
 
            errors.ErrorFromSmartServer,
656
 
            branch.set_last_revision_info, 123, 'revid')
657
 
        self.assertEqual(('UnexpectedError',), err.error_tuple)
658
 
        branch.unlock()
659
 
 
660
 
 
661
 
class TestBranchControlGetBranchConf(tests.TestCaseWithMemoryTransport):
662
 
    """Getting the branch configuration should use an abstract method not vfs.
663
 
    """
664
 
 
665
 
    def test_get_branch_conf(self):
666
 
        raise tests.KnownFailure('branch.conf is not retrieved by get_config_file')
667
 
        ## # We should see that branch.get_config() does a single rpc to get the
668
 
        ## # remote configuration file, abstracting away where that is stored on
669
 
        ## # the server.  However at the moment it always falls back to using the
670
 
        ## # vfs, and this would need some changes in config.py.
671
 
 
672
 
        ## # in an empty branch we decode the response properly
673
 
        ## client = FakeClient([(('ok', ), '# config file body')], self.get_url())
674
 
        ## # we need to make a real branch because the remote_branch.control_files
675
 
        ## # will trigger _ensure_real.
676
 
        ## branch = self.make_branch('quack')
677
 
        ## transport = branch.bzrdir.root_transport
678
 
        ## # we do not want bzrdir to make any remote calls
679
 
        ## bzrdir = RemoteBzrDir(transport, _client=False)
680
 
        ## branch = RemoteBranch(bzrdir, None, _client=client)
681
 
        ## config = branch.get_config()
682
 
        ## self.assertEqual(
683
 
        ##     [('call_expecting_body', 'Branch.get_config_file', ('quack/',))],
684
 
        ##     client._calls)
685
 
 
686
 
 
687
 
class TestBranchLockWrite(tests.TestCase):
688
 
 
689
 
    def test_lock_write_unlockable(self):
690
 
        transport = MemoryTransport()
691
 
        client = FakeClient(transport.base)
692
 
        client.add_error_response('UnlockableTransport')
693
 
        transport.mkdir('quack')
694
 
        transport = transport.clone('quack')
695
 
        # we do not want bzrdir to make any remote calls
696
 
        bzrdir = RemoteBzrDir(transport, _client=False)
697
 
        branch = RemoteBranch(bzrdir, None, _client=client)
698
 
        self.assertRaises(errors.UnlockableTransport, branch.lock_write)
699
 
        self.assertEqual(
700
 
            [('call', 'Branch.lock_write', ('quack/', '', ''))],
701
 
            client._calls)
702
 
 
703
 
 
704
 
class TestTransportIsReadonly(tests.TestCase):
705
 
 
706
 
    def test_true(self):
707
 
        client = FakeClient()
708
 
        client.add_success_response('yes')
709
 
        transport = RemoteTransport('bzr://example.com/', medium=False,
710
 
                                    _client=client)
711
 
        self.assertEqual(True, transport.is_readonly())
712
 
        self.assertEqual(
713
 
            [('call', 'Transport.is_readonly', ())],
714
 
            client._calls)
715
 
 
716
 
    def test_false(self):
717
 
        client = FakeClient()
718
 
        client.add_success_response('no')
719
 
        transport = RemoteTransport('bzr://example.com/', medium=False,
720
 
                                    _client=client)
721
 
        self.assertEqual(False, transport.is_readonly())
722
 
        self.assertEqual(
723
 
            [('call', 'Transport.is_readonly', ())],
724
 
            client._calls)
725
 
 
726
 
    def test_error_from_old_server(self):
727
 
        """bzr 0.15 and earlier servers don't recognise the is_readonly verb.
728
 
        
729
 
        Clients should treat it as a "no" response, because is_readonly is only
730
 
        advisory anyway (a transport could be read-write, but then the
731
 
        underlying filesystem could be readonly anyway).
732
 
        """
733
 
        client = FakeClient()
734
 
        client.add_unknown_method_response('Transport.is_readonly')
735
 
        transport = RemoteTransport('bzr://example.com/', medium=False,
736
 
                                    _client=client)
737
 
        self.assertEqual(False, transport.is_readonly())
738
 
        self.assertEqual(
739
 
            [('call', 'Transport.is_readonly', ())],
740
 
            client._calls)
741
 
 
742
 
 
743
 
class TestRemoteRepository(tests.TestCase):
744
 
    """Base for testing RemoteRepository protocol usage.
745
 
    
746
 
    These tests contain frozen requests and responses.  We want any changes to 
747
 
    what is sent or expected to be require a thoughtful update to these tests
748
 
    because they might break compatibility with different-versioned servers.
749
 
    """
750
 
 
751
 
    def setup_fake_client_and_repository(self, transport_path):
752
 
        """Create the fake client and repository for testing with.
753
 
        
754
 
        There's no real server here; we just have canned responses sent
755
 
        back one by one.
756
 
        
757
 
        :param transport_path: Path below the root of the MemoryTransport
758
 
            where the repository will be created.
759
 
        """
760
 
        transport = MemoryTransport()
761
 
        transport.mkdir(transport_path)
762
 
        client = FakeClient(transport.base)
763
 
        transport = transport.clone(transport_path)
764
 
        # we do not want bzrdir to make any remote calls
765
 
        bzrdir = RemoteBzrDir(transport, _client=False)
766
 
        repo = RemoteRepository(bzrdir, None, _client=client)
767
 
        return repo, client
768
 
 
769
 
 
770
 
class TestRepositoryGatherStats(TestRemoteRepository):
771
 
 
772
 
    def test_revid_none(self):
773
 
        # ('ok',), body with revisions and size
774
 
        transport_path = 'quack'
775
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
776
 
        client.add_success_response_with_body(
777
 
            'revisions: 2\nsize: 18\n', 'ok')
778
 
        result = repo.gather_stats(None)
779
 
        self.assertEqual(
780
 
            [('call_expecting_body', 'Repository.gather_stats',
781
 
             ('quack/','','no'))],
782
 
            client._calls)
783
 
        self.assertEqual({'revisions': 2, 'size': 18}, result)
784
 
 
785
 
    def test_revid_no_committers(self):
786
 
        # ('ok',), body without committers
787
 
        body = ('firstrev: 123456.300 3600\n'
788
 
                'latestrev: 654231.400 0\n'
789
 
                'revisions: 2\n'
790
 
                'size: 18\n')
791
 
        transport_path = 'quick'
792
 
        revid = u'\xc8'.encode('utf8')
793
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
794
 
        client.add_success_response_with_body(body, 'ok')
795
 
        result = repo.gather_stats(revid)
796
 
        self.assertEqual(
797
 
            [('call_expecting_body', 'Repository.gather_stats',
798
 
              ('quick/', revid, 'no'))],
799
 
            client._calls)
800
 
        self.assertEqual({'revisions': 2, 'size': 18,
801
 
                          'firstrev': (123456.300, 3600),
802
 
                          'latestrev': (654231.400, 0),},
803
 
                         result)
804
 
 
805
 
    def test_revid_with_committers(self):
806
 
        # ('ok',), body with committers
807
 
        body = ('committers: 128\n'
808
 
                'firstrev: 123456.300 3600\n'
809
 
                'latestrev: 654231.400 0\n'
810
 
                'revisions: 2\n'
811
 
                'size: 18\n')
812
 
        transport_path = 'buick'
813
 
        revid = u'\xc8'.encode('utf8')
814
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
815
 
        client.add_success_response_with_body(body, 'ok')
816
 
        result = repo.gather_stats(revid, True)
817
 
        self.assertEqual(
818
 
            [('call_expecting_body', 'Repository.gather_stats',
819
 
              ('buick/', revid, 'yes'))],
820
 
            client._calls)
821
 
        self.assertEqual({'revisions': 2, 'size': 18,
822
 
                          'committers': 128,
823
 
                          'firstrev': (123456.300, 3600),
824
 
                          'latestrev': (654231.400, 0),},
825
 
                         result)
826
 
 
827
 
 
828
 
class TestRepositoryGetGraph(TestRemoteRepository):
829
 
 
830
 
    def test_get_graph(self):
831
 
        # get_graph returns a graph with the repository as the
832
 
        # parents_provider.
833
 
        transport_path = 'quack'
834
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
835
 
        graph = repo.get_graph()
836
 
        self.assertEqual(graph._parents_provider, repo)
837
 
 
838
 
 
839
 
class TestRepositoryGetParentMap(TestRemoteRepository):
840
 
 
841
 
    def test_get_parent_map_caching(self):
842
 
        # get_parent_map returns from cache until unlock()
843
 
        # setup a reponse with two revisions
844
 
        r1 = u'\u0e33'.encode('utf8')
845
 
        r2 = u'\u0dab'.encode('utf8')
846
 
        lines = [' '.join([r2, r1]), r1]
847
 
        encoded_body = bz2.compress('\n'.join(lines))
848
 
 
849
 
        transport_path = 'quack'
850
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
851
 
        client.add_success_response_with_body(encoded_body, 'ok')
852
 
        client.add_success_response_with_body(encoded_body, 'ok')
853
 
        repo.lock_read()
854
 
        graph = repo.get_graph()
855
 
        parents = graph.get_parent_map([r2])
856
 
        self.assertEqual({r2: (r1,)}, parents)
857
 
        # locking and unlocking deeper should not reset
858
 
        repo.lock_read()
859
 
        repo.unlock()
860
 
        parents = graph.get_parent_map([r1])
861
 
        self.assertEqual({r1: (NULL_REVISION,)}, parents)
862
 
        self.assertEqual(
863
 
            [('call_with_body_bytes_expecting_body',
864
 
              'Repository.get_parent_map', ('quack/', r2), '\n\n0')],
865
 
            client._calls)
866
 
        repo.unlock()
867
 
        # now we call again, and it should use the second response.
868
 
        repo.lock_read()
869
 
        graph = repo.get_graph()
870
 
        parents = graph.get_parent_map([r1])
871
 
        self.assertEqual({r1: (NULL_REVISION,)}, parents)
872
 
        self.assertEqual(
873
 
            [('call_with_body_bytes_expecting_body',
874
 
              'Repository.get_parent_map', ('quack/', r2), '\n\n0'),
875
 
             ('call_with_body_bytes_expecting_body',
876
 
              'Repository.get_parent_map', ('quack/', r1), '\n\n0'),
877
 
            ],
878
 
            client._calls)
879
 
        repo.unlock()
880
 
 
881
 
    def test_get_parent_map_reconnects_if_unknown_method(self):
882
 
        transport_path = 'quack'
883
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
884
 
        client.add_unknown_method_response('Repository,get_parent_map')
885
 
        client.add_success_response_with_body('', 'ok')
886
 
        self.assertTrue(client._medium._remote_is_at_least_1_2)
887
 
        rev_id = 'revision-id'
888
 
        expected_deprecations = [
889
 
            'bzrlib.remote.RemoteRepository.get_revision_graph was deprecated '
890
 
            'in version 1.4.']
891
 
        parents = self.callDeprecated(
892
 
            expected_deprecations, repo.get_parent_map, [rev_id])
893
 
        self.assertEqual(
894
 
            [('call_with_body_bytes_expecting_body',
895
 
              'Repository.get_parent_map', ('quack/', rev_id), '\n\n0'),
896
 
             ('disconnect medium',),
897
 
             ('call_expecting_body', 'Repository.get_revision_graph',
898
 
              ('quack/', ''))],
899
 
            client._calls)
900
 
        # The medium is now marked as being connected to an older server
901
 
        self.assertFalse(client._medium._remote_is_at_least_1_2)
902
 
 
903
 
    def test_get_parent_map_fallback_parentless_node(self):
904
 
        """get_parent_map falls back to get_revision_graph on old servers.  The
905
 
        results from get_revision_graph are tweaked to match the get_parent_map
906
 
        API.
907
 
 
908
 
        Specifically, a {key: ()} result from get_revision_graph means "no
909
 
        parents" for that key, which in get_parent_map results should be
910
 
        represented as {key: ('null:',)}.
911
 
 
912
 
        This is the test for https://bugs.launchpad.net/bzr/+bug/214894
913
 
        """
914
 
        rev_id = 'revision-id'
915
 
        transport_path = 'quack'
916
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
917
 
        client.add_success_response_with_body(rev_id, 'ok')
918
 
        client._medium._remote_is_at_least_1_2 = False
919
 
        expected_deprecations = [
920
 
            'bzrlib.remote.RemoteRepository.get_revision_graph was deprecated '
921
 
            'in version 1.4.']
922
 
        parents = self.callDeprecated(
923
 
            expected_deprecations, repo.get_parent_map, [rev_id])
924
 
        self.assertEqual(
925
 
            [('call_expecting_body', 'Repository.get_revision_graph',
926
 
             ('quack/', ''))],
927
 
            client._calls)
928
 
        self.assertEqual({rev_id: ('null:',)}, parents)
929
 
 
930
 
    def test_get_parent_map_unexpected_response(self):
931
 
        repo, client = self.setup_fake_client_and_repository('path')
932
 
        client.add_success_response('something unexpected!')
933
 
        self.assertRaises(
934
 
            errors.UnexpectedSmartServerResponse,
935
 
            repo.get_parent_map, ['a-revision-id'])
936
 
 
937
 
 
938
 
class TestRepositoryGetRevisionGraph(TestRemoteRepository):
939
 
    
940
 
    def test_null_revision(self):
941
 
        # a null revision has the predictable result {}, we should have no wire
942
 
        # traffic when calling it with this argument
943
 
        transport_path = 'empty'
944
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
945
 
        client.add_success_response('notused')
946
 
        result = self.applyDeprecated(one_four, repo.get_revision_graph,
947
 
            NULL_REVISION)
948
 
        self.assertEqual([], client._calls)
949
 
        self.assertEqual({}, result)
950
 
 
951
 
    def test_none_revision(self):
952
 
        # with none we want the entire graph
953
 
        r1 = u'\u0e33'.encode('utf8')
954
 
        r2 = u'\u0dab'.encode('utf8')
955
 
        lines = [' '.join([r2, r1]), r1]
956
 
        encoded_body = '\n'.join(lines)
957
 
 
958
 
        transport_path = 'sinhala'
959
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
960
 
        client.add_success_response_with_body(encoded_body, 'ok')
961
 
        result = self.applyDeprecated(one_four, repo.get_revision_graph)
962
 
        self.assertEqual(
963
 
            [('call_expecting_body', 'Repository.get_revision_graph',
964
 
             ('sinhala/', ''))],
965
 
            client._calls)
966
 
        self.assertEqual({r1: (), r2: (r1, )}, result)
967
 
 
968
 
    def test_specific_revision(self):
969
 
        # with a specific revision we want the graph for that
970
 
        # with none we want the entire graph
971
 
        r11 = u'\u0e33'.encode('utf8')
972
 
        r12 = u'\xc9'.encode('utf8')
973
 
        r2 = u'\u0dab'.encode('utf8')
974
 
        lines = [' '.join([r2, r11, r12]), r11, r12]
975
 
        encoded_body = '\n'.join(lines)
976
 
 
977
 
        transport_path = 'sinhala'
978
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
979
 
        client.add_success_response_with_body(encoded_body, 'ok')
980
 
        result = self.applyDeprecated(one_four, repo.get_revision_graph, r2)
981
 
        self.assertEqual(
982
 
            [('call_expecting_body', 'Repository.get_revision_graph',
983
 
             ('sinhala/', r2))],
984
 
            client._calls)
985
 
        self.assertEqual({r11: (), r12: (), r2: (r11, r12), }, result)
986
 
 
987
 
    def test_no_such_revision(self):
988
 
        revid = '123'
989
 
        transport_path = 'sinhala'
990
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
991
 
        client.add_error_response('nosuchrevision', revid)
992
 
        # also check that the right revision is reported in the error
993
 
        self.assertRaises(errors.NoSuchRevision,
994
 
            self.applyDeprecated, one_four, repo.get_revision_graph, revid)
995
 
        self.assertEqual(
996
 
            [('call_expecting_body', 'Repository.get_revision_graph',
997
 
             ('sinhala/', revid))],
998
 
            client._calls)
999
 
 
1000
 
    def test_unexpected_error(self):
1001
 
        revid = '123'
1002
 
        transport_path = 'sinhala'
1003
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
1004
 
        client.add_error_response('AnUnexpectedError')
1005
 
        e = self.assertRaises(errors.ErrorFromSmartServer,
1006
 
            self.applyDeprecated, one_four, repo.get_revision_graph, revid)
1007
 
        self.assertEqual(('AnUnexpectedError',), e.error_tuple)
1008
 
 
1009
 
        
1010
 
class TestRepositoryIsShared(TestRemoteRepository):
1011
 
 
1012
 
    def test_is_shared(self):
1013
 
        # ('yes', ) for Repository.is_shared -> 'True'.
1014
 
        transport_path = 'quack'
1015
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
1016
 
        client.add_success_response('yes')
1017
 
        result = repo.is_shared()
1018
 
        self.assertEqual(
1019
 
            [('call', 'Repository.is_shared', ('quack/',))],
1020
 
            client._calls)
1021
 
        self.assertEqual(True, result)
1022
 
 
1023
 
    def test_is_not_shared(self):
1024
 
        # ('no', ) for Repository.is_shared -> 'False'.
1025
 
        transport_path = 'qwack'
1026
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
1027
 
        client.add_success_response('no')
1028
 
        result = repo.is_shared()
1029
 
        self.assertEqual(
1030
 
            [('call', 'Repository.is_shared', ('qwack/',))],
1031
 
            client._calls)
1032
 
        self.assertEqual(False, result)
1033
 
 
1034
 
 
1035
 
class TestRepositoryLockWrite(TestRemoteRepository):
1036
 
 
1037
 
    def test_lock_write(self):
1038
 
        transport_path = 'quack'
1039
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
1040
 
        client.add_success_response('ok', 'a token')
1041
 
        result = repo.lock_write()
1042
 
        self.assertEqual(
1043
 
            [('call', 'Repository.lock_write', ('quack/', ''))],
1044
 
            client._calls)
1045
 
        self.assertEqual('a token', result)
1046
 
 
1047
 
    def test_lock_write_already_locked(self):
1048
 
        transport_path = 'quack'
1049
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
1050
 
        client.add_error_response('LockContention')
1051
 
        self.assertRaises(errors.LockContention, repo.lock_write)
1052
 
        self.assertEqual(
1053
 
            [('call', 'Repository.lock_write', ('quack/', ''))],
1054
 
            client._calls)
1055
 
 
1056
 
    def test_lock_write_unlockable(self):
1057
 
        transport_path = 'quack'
1058
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
1059
 
        client.add_error_response('UnlockableTransport')
1060
 
        self.assertRaises(errors.UnlockableTransport, repo.lock_write)
1061
 
        self.assertEqual(
1062
 
            [('call', 'Repository.lock_write', ('quack/', ''))],
1063
 
            client._calls)
1064
 
 
1065
 
 
1066
 
class TestRepositoryUnlock(TestRemoteRepository):
1067
 
 
1068
 
    def test_unlock(self):
1069
 
        transport_path = 'quack'
1070
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
1071
 
        client.add_success_response('ok', 'a token')
1072
 
        client.add_success_response('ok')
1073
 
        repo.lock_write()
1074
 
        repo.unlock()
1075
 
        self.assertEqual(
1076
 
            [('call', 'Repository.lock_write', ('quack/', '')),
1077
 
             ('call', 'Repository.unlock', ('quack/', 'a token'))],
1078
 
            client._calls)
1079
 
 
1080
 
    def test_unlock_wrong_token(self):
1081
 
        # If somehow the token is wrong, unlock will raise TokenMismatch.
1082
 
        transport_path = 'quack'
1083
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
1084
 
        client.add_success_response('ok', 'a token')
1085
 
        client.add_error_response('TokenMismatch')
1086
 
        repo.lock_write()
1087
 
        self.assertRaises(errors.TokenMismatch, repo.unlock)
1088
 
 
1089
 
 
1090
 
class TestRepositoryHasRevision(TestRemoteRepository):
1091
 
 
1092
 
    def test_none(self):
1093
 
        # repo.has_revision(None) should not cause any traffic.
1094
 
        transport_path = 'quack'
1095
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
1096
 
 
1097
 
        # The null revision is always there, so has_revision(None) == True.
1098
 
        self.assertEqual(True, repo.has_revision(NULL_REVISION))
1099
 
 
1100
 
        # The remote repo shouldn't be accessed.
1101
 
        self.assertEqual([], client._calls)
1102
 
 
1103
 
 
1104
 
class TestRepositoryTarball(TestRemoteRepository):
1105
 
 
1106
 
    # This is a canned tarball reponse we can validate against
1107
 
    tarball_content = (
1108
 
        'QlpoOTFBWSZTWdGkj3wAAWF/k8aQACBIB//A9+8cIX/v33AACEAYABAECEACNz'
1109
 
        'JqsgJJFPTSnk1A3qh6mTQAAAANPUHkagkSTEkaA09QaNAAAGgAAAcwCYCZGAEY'
1110
 
        'mJhMJghpiaYBUkKammSHqNMZQ0NABkNAeo0AGneAevnlwQoGzEzNVzaYxp/1Uk'
1111
 
        'xXzA1CQX0BJMZZLcPBrluJir5SQyijWHYZ6ZUtVqqlYDdB2QoCwa9GyWwGYDMA'
1112
 
        'OQYhkpLt/OKFnnlT8E0PmO8+ZNSo2WWqeCzGB5fBXZ3IvV7uNJVE7DYnWj6qwB'
1113
 
        'k5DJDIrQ5OQHHIjkS9KqwG3mc3t+F1+iujb89ufyBNIKCgeZBWrl5cXxbMGoMs'
1114
 
        'c9JuUkg5YsiVcaZJurc6KLi6yKOkgCUOlIlOpOoXyrTJjK8ZgbklReDdwGmFgt'
1115
 
        'dkVsAIslSVCd4AtACSLbyhLHryfb14PKegrVDba+U8OL6KQtzdM5HLjAc8/p6n'
1116
 
        '0lgaWU8skgO7xupPTkyuwheSckejFLK5T4ZOo0Gda9viaIhpD1Qn7JqqlKAJqC'
1117
 
        'QplPKp2nqBWAfwBGaOwVrz3y1T+UZZNismXHsb2Jq18T+VaD9k4P8DqE3g70qV'
1118
 
        'JLurpnDI6VS5oqDDPVbtVjMxMxMg4rzQVipn2Bv1fVNK0iq3Gl0hhnnHKm/egy'
1119
 
        'nWQ7QH/F3JFOFCQ0aSPfA='
1120
 
        ).decode('base64')
1121
 
 
1122
 
    def test_repository_tarball(self):
1123
 
        # Test that Repository.tarball generates the right operations
1124
 
        transport_path = 'repo'
1125
 
        expected_calls = [('call_expecting_body', 'Repository.tarball',
1126
 
                           ('repo/', 'bz2',),),
1127
 
            ]
1128
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
1129
 
        client.add_success_response_with_body(self.tarball_content, 'ok')
1130
 
        # Now actually ask for the tarball
1131
 
        tarball_file = repo._get_tarball('bz2')
1132
 
        try:
1133
 
            self.assertEqual(expected_calls, client._calls)
1134
 
            self.assertEqual(self.tarball_content, tarball_file.read())
1135
 
        finally:
1136
 
            tarball_file.close()
1137
 
 
1138
 
 
1139
 
class TestRemoteRepositoryCopyContent(tests.TestCaseWithTransport):
1140
 
    """RemoteRepository.copy_content_into optimizations"""
1141
 
 
1142
 
    def test_copy_content_remote_to_local(self):
1143
 
        self.transport_server = server.SmartTCPServer_for_testing
1144
 
        src_repo = self.make_repository('repo1')
1145
 
        src_repo = repository.Repository.open(self.get_url('repo1'))
1146
 
        # At the moment the tarball-based copy_content_into can't write back
1147
 
        # into a smart server.  It would be good if it could upload the
1148
 
        # tarball; once that works we'd have to create repositories of
1149
 
        # different formats. -- mbp 20070410
1150
 
        dest_url = self.get_vfs_only_url('repo2')
1151
 
        dest_bzrdir = BzrDir.create(dest_url)
1152
 
        dest_repo = dest_bzrdir.create_repository()
1153
 
        self.assertFalse(isinstance(dest_repo, RemoteRepository))
1154
 
        self.assertTrue(isinstance(src_repo, RemoteRepository))
1155
 
        src_repo.copy_content_into(dest_repo)
1156
 
 
1157
 
 
1158
 
class TestRepositoryStreamKnitData(TestRemoteRepository):
1159
 
 
1160
 
    def make_pack_file(self, records):
1161
 
        pack_file = StringIO()
1162
 
        pack_writer = pack.ContainerWriter(pack_file.write)
1163
 
        pack_writer.begin()
1164
 
        for bytes, names in records:
1165
 
            pack_writer.add_bytes_record(bytes, names)
1166
 
        pack_writer.end()
1167
 
        pack_file.seek(0)
1168
 
        return pack_file
1169
 
 
1170
 
    def make_pack_stream(self, records):
1171
 
        pack_serialiser = pack.ContainerSerialiser()
1172
 
        yield pack_serialiser.begin()
1173
 
        for bytes, names in records:
1174
 
            yield pack_serialiser.bytes_record(bytes, names)
1175
 
        yield pack_serialiser.end()
1176
 
 
1177
 
    def test_bad_pack_from_server(self):
1178
 
        """A response with invalid data (e.g. it has a record with multiple
1179
 
        names) triggers an exception.
1180
 
        
1181
 
        Not all possible errors will be caught at this stage, but obviously
1182
 
        malformed data should be.
1183
 
        """
1184
 
        record = ('bytes', [('name1',), ('name2',)])
1185
 
        pack_stream = self.make_pack_stream([record])
1186
 
        transport_path = 'quack'
1187
 
        repo, client = self.setup_fake_client_and_repository(transport_path)
1188
 
        client.add_success_response_with_body(pack_stream, 'ok')
1189
 
        search = graph.SearchResult(set(['revid']), set(), 1, set(['revid']))
1190
 
        stream = repo.get_data_stream_for_search(search)
1191
 
        self.assertRaises(errors.SmartProtocolError, list, stream)
1192
 
    
1193
 
    def test_backwards_compatibility(self):
1194
 
        """If the server doesn't recognise this request, fallback to VFS."""
1195
 
        repo, client = self.setup_fake_client_and_repository('path')
1196
 
        client.add_unknown_method_response(
1197
 
            'Repository.stream_revisions_chunked')
1198
 
        self.mock_called = False
1199
 
        repo._real_repository = MockRealRepository(self)
1200
 
        search = graph.SearchResult(set(['revid']), set(), 1, set(['revid']))
1201
 
        repo.get_data_stream_for_search(search)
1202
 
        self.assertTrue(self.mock_called)
1203
 
        self.failIf(client.expecting_body,
1204
 
            "The protocol has been left in an unclean state that will cause "
1205
 
            "TooManyConcurrentRequests errors.")
1206
 
 
1207
 
 
1208
 
class MockRealRepository(object):
1209
 
    """Helper class for TestRepositoryStreamKnitData.test_unknown_method."""
1210
 
 
1211
 
    def __init__(self, test):
1212
 
        self.test = test
1213
 
 
1214
 
    def get_data_stream_for_search(self, search):
1215
 
        self.test.assertEqual(set(['revid']), search.get_keys())
1216
 
        self.test.mock_called = True
1217
 
 
1218