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Viewing changes to bzrlib/tests/test_smart.py

Implement RemoteBranch.lock_write/unlock as smart operations.

Because Branch.lock_write/unlock actually also lock/unlock the repository, I've
slightly changed lock_write's interface to accept and return 'tokens' rather
than 'token'.  i.e. a 2-tuple of (branch token, repo token), or None.

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bzrlib/tests/test_smart.py
 
1
# Copyright (C) 2006 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 the smart wire/domain protococl."""
 
18
 
 
19
from bzrlib import bzrdir, errors, smart, tests
 
20
from bzrlib.smart.request import SmartServerResponse
 
21
import bzrlib.smart.bzrdir
 
22
import bzrlib.smart.branch
 
23
import bzrlib.smart.repository
 
24
 
 
25
 
 
26
class TestCaseWithSmartMedium(tests.TestCaseWithTransport):
 
27
 
 
28
    def setUp(self):
 
29
        super(TestCaseWithSmartMedium, self).setUp()
 
30
        # We're allowed to set  the transport class here, so that we don't use
 
31
        # the default or a parameterized class, but rather use the
 
32
        # TestCaseWithTransport infrastructure to set up a smart server and
 
33
        # transport.
 
34
        self.transport_server = smart.server.SmartTCPServer_for_testing
 
35
 
 
36
    def get_smart_medium(self):
 
37
        """Get a smart medium to use in tests."""
 
38
        return self.get_transport().get_smart_medium()
 
39
 
 
40
 
 
41
class TestSmartServerResponse(tests.TestCase):
 
42
 
 
43
    def test__eq__(self):
 
44
        self.assertEqual(SmartServerResponse(('ok', )),
 
45
            SmartServerResponse(('ok', )))
 
46
        self.assertEqual(SmartServerResponse(('ok', ), 'body'),
 
47
            SmartServerResponse(('ok', ), 'body'))
 
48
        self.assertNotEqual(SmartServerResponse(('ok', )),
 
49
            SmartServerResponse(('notok', )))
 
50
        self.assertNotEqual(SmartServerResponse(('ok', ), 'body'),
 
51
            SmartServerResponse(('ok', )))
 
52
        self.assertNotEqual(None,
 
53
            SmartServerResponse(('ok', )))
 
54
 
 
55
 
 
56
class TestSmartServerRequestFindRepository(tests.TestCaseWithTransport):
 
57
 
 
58
    def test_no_repository(self):
 
59
        """When there is no repository to be found, ('norepository', ) is returned."""
 
60
        backing = self.get_transport()
 
61
        request = smart.bzrdir.SmartServerRequestFindRepository(backing)
 
62
        self.make_bzrdir('.')
 
63
        self.assertEqual(SmartServerResponse(('norepository', )),
 
64
            request.execute(backing.local_abspath('')))
 
65
 
 
66
    def test_nonshared_repository(self):
 
67
        # nonshared repositorys only allow 'find' to return a handle when the 
 
68
        # path the repository is being searched on is the same as that that 
 
69
        # the repository is at.
 
70
        backing = self.get_transport()
 
71
        request = smart.bzrdir.SmartServerRequestFindRepository(backing)
 
72
        self.make_repository('.')
 
73
        self.assertEqual(SmartServerResponse(('ok', '')),
 
74
            request.execute(backing.local_abspath('')))
 
75
        self.make_bzrdir('subdir')
 
76
        self.assertEqual(SmartServerResponse(('norepository', )),
 
77
            request.execute(backing.local_abspath('subdir')))
 
78
 
 
79
    def test_shared_repository(self):
 
80
        """When there is a shared repository, we get 'ok', 'relpath-to-repo'."""
 
81
        backing = self.get_transport()
 
82
        request = smart.bzrdir.SmartServerRequestFindRepository(backing)
 
83
        self.make_repository('.', shared=True)
 
84
        self.assertEqual(SmartServerResponse(('ok', '')),
 
85
            request.execute(backing.local_abspath('')))
 
86
        self.make_bzrdir('subdir')
 
87
        self.assertEqual(SmartServerResponse(('ok', '..')),
 
88
            request.execute(backing.local_abspath('subdir')))
 
89
        self.make_bzrdir('subdir/deeper')
 
90
        self.assertEqual(SmartServerResponse(('ok', '../..')),
 
91
            request.execute(backing.local_abspath('subdir/deeper')))
 
92
 
 
93
 
 
94
class TestSmartServerRequestInitializeBzrDir(tests.TestCaseWithTransport):
 
95
 
 
96
    def test_empty_dir(self):
 
97
        """Initializing an empty dir should succeed and do it."""
 
98
        backing = self.get_transport()
 
99
        request = smart.bzrdir.SmartServerRequestInitializeBzrDir(backing)
 
100
        self.assertEqual(SmartServerResponse(('ok', )),
 
101
            request.execute(backing.local_abspath('.')))
 
102
        made_dir = bzrdir.BzrDir.open_from_transport(backing)
 
103
        # no branch, tree or repository is expected with the current 
 
104
        # default formart.
 
105
        self.assertRaises(errors.NoWorkingTree, made_dir.open_workingtree)
 
106
        self.assertRaises(errors.NotBranchError, made_dir.open_branch)
 
107
        self.assertRaises(errors.NoRepositoryPresent, made_dir.open_repository)
 
108
 
 
109
    def test_missing_dir(self):
 
110
        """Initializing a missing directory should fail like the bzrdir api."""
 
111
        backing = self.get_transport()
 
112
        request = smart.bzrdir.SmartServerRequestInitializeBzrDir(backing)
 
113
        self.assertRaises(errors.NoSuchFile,
 
114
            request.execute, backing.local_abspath('subdir'))
 
115
 
 
116
    def test_initialized_dir(self):
 
117
        """Initializing an extant bzrdir should fail like the bzrdir api."""
 
118
        backing = self.get_transport()
 
119
        request = smart.bzrdir.SmartServerRequestInitializeBzrDir(backing)
 
120
        self.make_bzrdir('subdir')
 
121
        self.assertRaises(errors.FileExists,
 
122
            request.execute, backing.local_abspath('subdir'))
 
123
 
 
124
 
 
125
class TestSmartServerRequestOpenBranch(tests.TestCaseWithTransport):
 
126
 
 
127
    def test_no_branch(self):
 
128
        """When there is no branch, ('nobranch', ) is returned."""
 
129
        backing = self.get_transport()
 
130
        request = smart.bzrdir.SmartServerRequestOpenBranch(backing)
 
131
        self.make_bzrdir('.')
 
132
        self.assertEqual(SmartServerResponse(('nobranch', )),
 
133
            request.execute(backing.local_abspath('')))
 
134
 
 
135
    def test_branch(self):
 
136
        """When there is a branch, 'ok' is returned."""
 
137
        backing = self.get_transport()
 
138
        request = smart.bzrdir.SmartServerRequestOpenBranch(backing)
 
139
        self.make_branch('.')
 
140
        self.assertEqual(SmartServerResponse(('ok', '')),
 
141
            request.execute(backing.local_abspath('')))
 
142
 
 
143
    def test_branch_reference(self):
 
144
        """When there is a branch reference, the reference URL is returned."""
 
145
        backing = self.get_transport()
 
146
        request = smart.bzrdir.SmartServerRequestOpenBranch(backing)
 
147
        branch = self.make_branch('branch')
 
148
        checkout = branch.create_checkout('reference',lightweight=True)
 
149
        # TODO: once we have an API to probe for references of any sort, we
 
150
        # can use it here.
 
151
        reference_url = backing.abspath('branch') + '/'
 
152
        self.assertFileEqual(reference_url, 'reference/.bzr/branch/location')
 
153
        self.assertEqual(SmartServerResponse(('ok', reference_url)),
 
154
            request.execute(backing.local_abspath('reference')))
 
155
 
 
156
 
 
157
class TestSmartServerRequestRevisionHistory(tests.TestCaseWithTransport):
 
158
 
 
159
    def test_empty(self):
 
160
        """For an empty branch, the body is empty."""
 
161
        backing = self.get_transport()
 
162
        request = smart.branch.SmartServerRequestRevisionHistory(backing)
 
163
        self.make_branch('.')
 
164
        self.assertEqual(SmartServerResponse(('ok', ), ''),
 
165
            request.execute(backing.local_abspath('')))
 
166
 
 
167
    def test_not_empty(self):
 
168
        """For a non-empty branch, the body is empty."""
 
169
        backing = self.get_transport()
 
170
        request = smart.branch.SmartServerRequestRevisionHistory(backing)
 
171
        tree = self.make_branch_and_memory_tree('.')
 
172
        tree.lock_write()
 
173
        tree.add('')
 
174
        r1 = tree.commit('1st commit')
 
175
        r2 = tree.commit('2nd commit', rev_id=u'\xc8')
 
176
        tree.unlock()
 
177
        self.assertEqual(SmartServerResponse(('ok', ),
 
178
            ('\x00'.join([r1, r2])).encode('utf8')),
 
179
            request.execute(backing.local_abspath('')))
 
180
 
 
181
 
 
182
class TestSmartServerBranchRequest(tests.TestCaseWithTransport):
 
183
 
 
184
    def test_no_branch(self):
 
185
        """When there is a bzrdir and no branch, NotBranchError is raised."""
 
186
        backing = self.get_transport()
 
187
        request = smart.branch.SmartServerBranchRequest(backing)
 
188
        self.make_bzrdir('.')
 
189
        self.assertRaises(errors.NotBranchError,
 
190
            request.execute, backing.local_abspath(''))
 
191
 
 
192
    def test_branch_reference(self):
 
193
        """When there is a branch reference, NotBranchError is raised."""
 
194
        backing = self.get_transport()
 
195
        request = smart.branch.SmartServerBranchRequest(backing)
 
196
        branch = self.make_branch('branch')
 
197
        checkout = branch.create_checkout('reference',lightweight=True)
 
198
        self.assertRaises(errors.NotBranchError,
 
199
            request.execute, backing.local_abspath('checkout'))
 
200
 
 
201
 
 
202
class TestSmartServerBranchRequestLastRevisionInfo(tests.TestCaseWithTransport):
 
203
 
 
204
    def test_empty(self):
 
205
        """For an empty branch, the result is ('ok', '0', '')."""
 
206
        backing = self.get_transport()
 
207
        request = smart.branch.SmartServerBranchRequestLastRevisionInfo(backing)
 
208
        self.make_branch('.')
 
209
        self.assertEqual(SmartServerResponse(('ok', '0', '')),
 
210
            request.execute(backing.local_abspath('')))
 
211
 
 
212
    def test_not_empty(self):
 
213
        """For a non-empty branch, the result is ('ok', 'revno', 'revid')."""
 
214
        backing = self.get_transport()
 
215
        request = smart.branch.SmartServerBranchRequestLastRevisionInfo(backing)
 
216
        tree = self.make_branch_and_memory_tree('.')
 
217
        tree.lock_write()
 
218
        tree.add('')
 
219
        r1 = tree.commit('1st commit')
 
220
        r2 = tree.commit('2nd commit', rev_id=u'\xc8')
 
221
        tree.unlock()
 
222
        self.assertEqual(
 
223
            SmartServerResponse(('ok', '2', u'\xc8'.encode('utf8'))),
 
224
            request.execute(backing.local_abspath('')))
 
225
 
 
226
 
 
227
class TestSmartServerBranchRequestGetConfigFile(tests.TestCaseWithTransport):
 
228
 
 
229
    def test_default(self):
 
230
        """With no file, we get empty content."""
 
231
        backing = self.get_transport()
 
232
        request = smart.branch.SmartServerBranchGetConfigFile(backing)
 
233
        branch = self.make_branch('.')
 
234
        # there should be no file by default
 
235
        content = ''
 
236
        self.assertEqual(SmartServerResponse(('ok', ), content),
 
237
            request.execute(backing.local_abspath('')))
 
238
 
 
239
    def test_with_content(self):
 
240
        # SmartServerBranchGetConfigFile should return the content from
 
241
        # branch.control_files.get('branch.conf') for now - in the future it may
 
242
        # perform more complex processing. 
 
243
        backing = self.get_transport()
 
244
        request = smart.branch.SmartServerBranchGetConfigFile(backing)
 
245
        branch = self.make_branch('.')
 
246
        branch.control_files.put_utf8('branch.conf', 'foo bar baz')
 
247
        self.assertEqual(SmartServerResponse(('ok', ), 'foo bar baz'),
 
248
            request.execute(backing.local_abspath('')))
 
249
 
 
250
 
 
251
class TestSmartServerBranchRequestSetLastRevision(tests.TestCaseWithTransport):
 
252
 
 
253
    def test_empty(self):
 
254
        backing = self.get_transport()
 
255
        request = smart.branch.SmartServerBranchRequestSetLastRevision(backing)
 
256
        self.make_branch('.')
 
257
        self.assertEqual(SmartServerResponse(('ok',)),
 
258
            request.execute(backing.local_abspath(''), ''))
 
259
 
 
260
    def test_not_present_revision_id(self):
 
261
        backing = self.get_transport()
 
262
        request = smart.branch.SmartServerBranchRequestSetLastRevision(backing)
 
263
        self.make_branch('.')
 
264
        revision_id = 'non-existent revision'
 
265
        self.assertEqual(SmartServerResponse(('NoSuchRevision', revision_id)),
 
266
            request.execute(backing.local_abspath(''), revision_id))
 
267
 
 
268
    def test_revision_id_present(self):
 
269
        backing = self.get_transport()
 
270
        request = smart.branch.SmartServerBranchRequestSetLastRevision(backing)
 
271
        tree = self.make_branch_and_memory_tree('.')
 
272
        tree.lock_write()
 
273
        tree.add('')
 
274
        r1 = tree.commit('1st commit', rev_id=u'\xc8')
 
275
        r2 = tree.commit('2nd commit')
 
276
        tree.unlock()
 
277
        self.assertEqual(
 
278
            SmartServerResponse(('ok',)),
 
279
            request.execute(backing.local_abspath(''), u'\xc8'.encode('utf8')))
 
280
        self.assertEqual([u'\xc8'], tree.branch.revision_history())
 
281
 
 
282
    def test_revision_id_present2(self):
 
283
        backing = self.get_transport()
 
284
        request = smart.branch.SmartServerBranchRequestSetLastRevision(backing)
 
285
        tree = self.make_branch_and_memory_tree('.')
 
286
        tree.lock_write()
 
287
        tree.add('')
 
288
        r1 = tree.commit('1st commit', rev_id=u'\xc8')
 
289
        r2 = tree.commit('2nd commit')
 
290
        tree.unlock()
 
291
        tree.branch.set_revision_history([])
 
292
        self.assertEqual(
 
293
            SmartServerResponse(('ok',)),
 
294
            request.execute(backing.local_abspath(''), u'\xc8'.encode('utf8')))
 
295
        self.assertEqual([u'\xc8'], tree.branch.revision_history())
 
296
 
 
297
 
 
298
class TestSmartServerBranchRequestLockWrite(tests.TestCaseWithTransport):
 
299
 
 
300
    def setUp(self):
 
301
        tests.TestCaseWithTransport.setUp(self)
 
302
        self.reduceLockdirTimeout()
 
303
 
 
304
    def test_lock_write_on_unlocked_branch(self):
 
305
        backing = self.get_transport()
 
306
        request = smart.branch.SmartServerBranchRequestLockWrite(backing)
 
307
        branch = self.make_branch('.')
 
308
        repository = branch.repository
 
309
        response = request.execute(backing.local_abspath(''))
 
310
        branch_nonce = branch.control_files._lock.peek().get('nonce')
 
311
        repository_nonce = repository.control_files._lock.peek().get('nonce')
 
312
        self.assertEqual(
 
313
            SmartServerResponse(('ok', branch_nonce, repository_nonce)),
 
314
            response)
 
315
        # The branch (and associated repository) is now locked.  Verify that
 
316
        # with a new branch object.
 
317
        new_branch = repository.bzrdir.open_branch()
 
318
        self.assertRaises(errors.LockContention, new_branch.lock_write)
 
319
 
 
320
    def test_lock_write_on_locked_branch(self):
 
321
        backing = self.get_transport()
 
322
        request = smart.branch.SmartServerBranchRequestLockWrite(backing)
 
323
        branch = self.make_branch('.')
 
324
        branch.lock_write()
 
325
        branch.leave_lock_in_place()
 
326
        branch.unlock()
 
327
        response = request.execute(backing.local_abspath(''))
 
328
        self.assertEqual(
 
329
            SmartServerResponse(('LockContention',)), response)
 
330
 
 
331
    def test_lock_write_with_tokens_on_locked_branch(self):
 
332
        backing = self.get_transport()
 
333
        request = smart.branch.SmartServerBranchRequestLockWrite(backing)
 
334
        branch = self.make_branch('.')
 
335
        branch_token, repo_token = branch.lock_write()
 
336
        branch.leave_lock_in_place()
 
337
        branch.repository.leave_lock_in_place()
 
338
        branch.unlock()
 
339
        response = request.execute(backing.local_abspath(''),
 
340
                                   branch_token, repo_token)
 
341
        self.assertEqual(
 
342
            SmartServerResponse(('ok', branch_token, repo_token)), response)
 
343
 
 
344
    def test_lock_write_with_mismatched_tokens_on_locked_branch(self):
 
345
        backing = self.get_transport()
 
346
        request = smart.branch.SmartServerBranchRequestLockWrite(backing)
 
347
        branch = self.make_branch('.')
 
348
        branch_token, repo_token = branch.lock_write()
 
349
        branch.leave_lock_in_place()
 
350
        branch.repository.leave_lock_in_place()
 
351
        branch.unlock()
 
352
        response = request.execute(backing.local_abspath(''),
 
353
                                   branch_token+'xxx', repo_token)
 
354
        self.assertEqual(
 
355
            SmartServerResponse(('TokenMismatch',)), response)
 
356
 
 
357
    def test_lock_write_on_locked_repo(self):
 
358
        backing = self.get_transport()
 
359
        request = smart.branch.SmartServerBranchRequestLockWrite(backing)
 
360
        branch = self.make_branch('.')
 
361
        branch.repository.lock_write()
 
362
        branch.repository.leave_lock_in_place()
 
363
        branch.repository.unlock()
 
364
        response = request.execute(backing.local_abspath(''))
 
365
        self.assertEqual(
 
366
            SmartServerResponse(('LockContention',)), response)
 
367
 
 
368
 
 
369
class TestSmartServerBranchRequestUnlock(tests.TestCaseWithTransport):
 
370
 
 
371
    def setUp(self):
 
372
        tests.TestCaseWithTransport.setUp(self)
 
373
        self.reduceLockdirTimeout()
 
374
 
 
375
    def test_unlock_on_locked_branch_and_repo(self):
 
376
        backing = self.get_transport()
 
377
        request = smart.branch.SmartServerBranchRequestUnlock(backing)
 
378
        branch = self.make_branch('.')
 
379
        # Lock the branch
 
380
        branch_token, repo_token = branch.lock_write()
 
381
        # Unlock the branch (and repo) object, leaving the physical locks
 
382
        # in place.
 
383
        branch.leave_lock_in_place()
 
384
        branch.repository.leave_lock_in_place()
 
385
        branch.unlock()
 
386
        response = request.execute(backing.local_abspath(''),
 
387
                                   branch_token, repo_token)
 
388
        self.assertEqual(
 
389
            SmartServerResponse(('ok',)), response)
 
390
        # The branch is now unlocked.  Verify that with a new branch
 
391
        # object.
 
392
        new_branch = branch.bzrdir.open_branch()
 
393
        new_branch.lock_write()
 
394
        new_branch.unlock()
 
395
 
 
396
    def test_unlock_on_unlocked_branch_unlocked_repo(self):
 
397
        backing = self.get_transport()
 
398
        request = smart.branch.SmartServerBranchRequestUnlock(backing)
 
399
        branch = self.make_branch('.')
 
400
        response = request.execute(
 
401
            backing.local_abspath(''), 'branch token', 'repo token')
 
402
        self.assertEqual(
 
403
            SmartServerResponse(('TokenMismatch',)), response)
 
404
 
 
405
    def test_unlock_on_unlocked_branch_locked_repo(self):
 
406
        backing = self.get_transport()
 
407
        request = smart.branch.SmartServerBranchRequestUnlock(backing)
 
408
        branch = self.make_branch('.')
 
409
        # Lock the repository.
 
410
        repo_token = branch.repository.lock_write()
 
411
        branch.repository.leave_lock_in_place()
 
412
        branch.repository.unlock()
 
413
        # Issue branch lock_write request on the unlocked branch (with locked
 
414
        # repo).
 
415
        response = request.execute(
 
416
            backing.local_abspath(''), 'branch token', repo_token)
 
417
        self.assertEqual(
 
418
            SmartServerResponse(('TokenMismatch',)), response)
 
419
 
 
420
 
 
421
class TestSmartServerRepositoryRequest(tests.TestCaseWithTransport):
 
422
 
 
423
    def test_no_repository(self):
 
424
        """Raise NoRepositoryPresent when there is a bzrdir and no repo."""
 
425
        # we test this using a shared repository above the named path,
 
426
        # thus checking the right search logic is used - that is, that
 
427
        # its the exact path being looked at and the server is not
 
428
        # searching.
 
429
        backing = self.get_transport()
 
430
        request = smart.repository.SmartServerRepositoryRequest(backing)
 
431
        self.make_repository('.', shared=True)
 
432
        self.make_bzrdir('subdir')
 
433
        self.assertRaises(errors.NoRepositoryPresent,
 
434
            request.execute, backing.local_abspath('subdir'))
 
435
 
 
436
 
 
437
class TestSmartServerRepositoryGetRevisionGraph(tests.TestCaseWithTransport):
 
438
 
 
439
    def test_none_argument(self):
 
440
        backing = self.get_transport()
 
441
        request = smart.repository.SmartServerRepositoryGetRevisionGraph(backing)
 
442
        tree = self.make_branch_and_memory_tree('.')
 
443
        tree.lock_write()
 
444
        tree.add('')
 
445
        r1 = tree.commit('1st commit')
 
446
        r2 = tree.commit('2nd commit', rev_id=u'\xc8')
 
447
        tree.unlock()
 
448
 
 
449
        # the lines of revision_id->revision_parent_list has no guaranteed
 
450
        # order coming out of a dict, so sort both our test and response
 
451
        lines = sorted([' '.join([r2, r1]), r1])
 
452
        response = request.execute(backing.local_abspath(''), '')
 
453
        response.body = '\n'.join(sorted(response.body.split('\n')))
 
454
 
 
455
        self.assertEqual(SmartServerResponse(('ok', ),
 
456
            '\n'.join(lines).encode('utf8')),
 
457
            response)
 
458
 
 
459
    def test_specific_revision_argument(self):
 
460
        backing = self.get_transport()
 
461
        request = smart.repository.SmartServerRepositoryGetRevisionGraph(backing)
 
462
        tree = self.make_branch_and_memory_tree('.')
 
463
        tree.lock_write()
 
464
        tree.add('')
 
465
        r1 = tree.commit('1st commit', rev_id=u'\xc9')
 
466
        r2 = tree.commit('2nd commit', rev_id=u'\xc8')
 
467
        tree.unlock()
 
468
 
 
469
        self.assertEqual(SmartServerResponse(('ok', ),
 
470
            u'\xc9'.encode('utf8')),
 
471
            request.execute(backing.local_abspath(''), u'\xc9'.encode('utf8')))
 
472
    
 
473
    def test_no_such_revision(self):
 
474
        backing = self.get_transport()
 
475
        request = smart.repository.SmartServerRepositoryGetRevisionGraph(backing)
 
476
        tree = self.make_branch_and_memory_tree('.')
 
477
        tree.lock_write()
 
478
        tree.add('')
 
479
        r1 = tree.commit('1st commit')
 
480
        tree.unlock()
 
481
 
 
482
        self.assertEqual(SmartServerResponse(
 
483
            ('nosuchrevision', 'missingrevision', )),
 
484
            request.execute(backing.local_abspath(''), 'missingrevision'))
 
485
 
 
486
 
 
487
class TestSmartServerRequestHasRevision(tests.TestCaseWithTransport):
 
488
 
 
489
    def test_missing_revision(self):
 
490
        """For a missing revision, ('no', ) is returned."""
 
491
        backing = self.get_transport()
 
492
        request = smart.repository.SmartServerRequestHasRevision(backing)
 
493
        self.make_repository('.')
 
494
        self.assertEqual(SmartServerResponse(('no', )),
 
495
            request.execute(backing.local_abspath(''), 'revid'))
 
496
 
 
497
    def test_present_revision(self):
 
498
        """For a present revision, ('ok', ) is returned."""
 
499
        backing = self.get_transport()
 
500
        request = smart.repository.SmartServerRequestHasRevision(backing)
 
501
        tree = self.make_branch_and_memory_tree('.')
 
502
        tree.lock_write()
 
503
        tree.add('')
 
504
        r1 = tree.commit('a commit', rev_id=u'\xc8abc')
 
505
        tree.unlock()
 
506
        self.assertTrue(tree.branch.repository.has_revision(u'\xc8abc'))
 
507
        self.assertEqual(SmartServerResponse(('ok', )),
 
508
            request.execute(backing.local_abspath(''),
 
509
                u'\xc8abc'.encode('utf8')))
 
510
 
 
511
 
 
512
class TestSmartServerRepositoryGatherStats(tests.TestCaseWithTransport):
 
513
 
 
514
    def test_empty_revid(self):
 
515
        """With an empty revid, we get only size an number and revisions"""
 
516
        backing = self.get_transport()
 
517
        request = smart.repository.SmartServerRepositoryGatherStats(backing)
 
518
        repository = self.make_repository('.')
 
519
        stats = repository.gather_stats()
 
520
        size = stats['size']
 
521
        expected_body = 'revisions: 0\nsize: %d\n' % size
 
522
        self.assertEqual(SmartServerResponse(('ok', ), expected_body),
 
523
                         request.execute(backing.local_abspath(''), '', 'no'))
 
524
 
 
525
    def test_revid_with_committers(self):
 
526
        """For a revid we get more infos."""
 
527
        backing = self.get_transport()
 
528
        rev_id = u'\xc8abc'
 
529
        request = smart.repository.SmartServerRepositoryGatherStats(backing)
 
530
        tree = self.make_branch_and_memory_tree('.')
 
531
        tree.lock_write()
 
532
        tree.add('')
 
533
        # Let's build a predictable result
 
534
        tree.commit('a commit', timestamp=123456.2, timezone=3600)
 
535
        tree.commit('a commit', timestamp=654321.4, timezone=0, rev_id=rev_id)
 
536
        tree.unlock()
 
537
 
 
538
        stats = tree.branch.repository.gather_stats()
 
539
        size = stats['size']
 
540
        expected_body = ('firstrev: 123456.200 3600\n'
 
541
                         'latestrev: 654321.400 0\n'
 
542
                         'revisions: 2\n'
 
543
                         'size: %d\n' % size)
 
544
        self.assertEqual(SmartServerResponse(('ok', ), expected_body),
 
545
                         request.execute(backing.local_abspath(''),
 
546
                                         rev_id.encode('utf8'), 'no'))
 
547
 
 
548
    def test_not_empty_repository_with_committers(self):
 
549
        """For a revid and requesting committers we get the whole thing."""
 
550
        backing = self.get_transport()
 
551
        rev_id = u'\xc8abc'
 
552
        request = smart.repository.SmartServerRepositoryGatherStats(backing)
 
553
        tree = self.make_branch_and_memory_tree('.')
 
554
        tree.lock_write()
 
555
        tree.add('')
 
556
        # Let's build a predictable result
 
557
        tree.commit('a commit', timestamp=123456.2, timezone=3600,
 
558
                    committer='foo')
 
559
        tree.commit('a commit', timestamp=654321.4, timezone=0,
 
560
                    committer='bar', rev_id=rev_id)
 
561
        tree.unlock()
 
562
        stats = tree.branch.repository.gather_stats()
 
563
 
 
564
        size = stats['size']
 
565
        expected_body = ('committers: 2\n'
 
566
                         'firstrev: 123456.200 3600\n'
 
567
                         'latestrev: 654321.400 0\n'
 
568
                         'revisions: 2\n'
 
569
                         'size: %d\n' % size)
 
570
        self.assertEqual(SmartServerResponse(('ok', ), expected_body),
 
571
                         request.execute(backing.local_abspath(''),
 
572
                                         rev_id.encode('utf8'), 'yes'))
 
573
 
 
574
 
 
575
class TestSmartServerRepositoryIsShared(tests.TestCaseWithTransport):
 
576
 
 
577
    def test_is_shared(self):
 
578
        """For a shared repository, ('yes', ) is returned."""
 
579
        backing = self.get_transport()
 
580
        request = smart.repository.SmartServerRepositoryIsShared(backing)
 
581
        self.make_repository('.', shared=True)
 
582
        self.assertEqual(SmartServerResponse(('yes', )),
 
583
            request.execute(backing.local_abspath(''), ))
 
584
 
 
585
    def test_is_not_shared(self):
 
586
        """For a shared repository, ('no', ) is returned."""
 
587
        backing = self.get_transport()
 
588
        request = smart.repository.SmartServerRepositoryIsShared(backing)
 
589
        self.make_repository('.', shared=False)
 
590
        self.assertEqual(SmartServerResponse(('no', )),
 
591
            request.execute(backing.local_abspath(''), ))
 
592
 
 
593
 
 
594
class TestSmartServerRepositoryLockWrite(tests.TestCaseWithTransport):
 
595
 
 
596
    def setUp(self):
 
597
        tests.TestCaseWithTransport.setUp(self)
 
598
        self.reduceLockdirTimeout()
 
599
 
 
600
    def test_lock_write_on_unlocked_repo(self):
 
601
        backing = self.get_transport()
 
602
        request = smart.repository.SmartServerRepositoryLockWrite(backing)
 
603
        repository = self.make_repository('.')
 
604
        response = request.execute(backing.local_abspath(''))
 
605
        nonce = repository.control_files._lock.peek().get('nonce')
 
606
        self.assertEqual(SmartServerResponse(('ok', nonce)), response)
 
607
        # The repository is now locked.  Verify that with a new repository
 
608
        # object.
 
609
        new_repo = repository.bzrdir.open_repository()
 
610
        self.assertRaises(errors.LockContention, new_repo.lock_write)
 
611
 
 
612
    def test_lock_write_on_locked_repo(self):
 
613
        backing = self.get_transport()
 
614
        request = smart.repository.SmartServerRepositoryLockWrite(backing)
 
615
        repository = self.make_repository('.')
 
616
        repository.lock_write()
 
617
        repository.leave_lock_in_place()
 
618
        repository.unlock()
 
619
        response = request.execute(backing.local_abspath(''))
 
620
        self.assertEqual(
 
621
            SmartServerResponse(('LockContention',)), response)
 
622
 
 
623
 
 
624
class TestSmartServerRepositoryUnlock(tests.TestCaseWithTransport):
 
625
 
 
626
    def setUp(self):
 
627
        tests.TestCaseWithTransport.setUp(self)
 
628
        self.reduceLockdirTimeout()
 
629
 
 
630
    def test_unlock_on_locked_repo(self):
 
631
        backing = self.get_transport()
 
632
        request = smart.repository.SmartServerRepositoryUnlock(backing)
 
633
        repository = self.make_repository('.')
 
634
        token = repository.lock_write()
 
635
        repository.leave_lock_in_place()
 
636
        repository.unlock()
 
637
        response = request.execute(backing.local_abspath(''), token)
 
638
        self.assertEqual(
 
639
            SmartServerResponse(('ok',)), response)
 
640
        # The repository is now unlocked.  Verify that with a new repository
 
641
        # object.
 
642
        new_repo = repository.bzrdir.open_repository()
 
643
        new_repo.lock_write()
 
644
        new_repo.unlock()
 
645
 
 
646
    def test_unlock_on_unlocked_repo(self):
 
647
        backing = self.get_transport()
 
648
        request = smart.repository.SmartServerRepositoryUnlock(backing)
 
649
        repository = self.make_repository('.')
 
650
        response = request.execute(backing.local_abspath(''), 'some token')
 
651
        self.assertEqual(
 
652
            SmartServerResponse(('TokenMismatch',)), response)
 
653
 
 
654
 
 
655
class TestHandlers(tests.TestCase):
 
656
    """Tests for the request.request_handlers object."""
 
657
 
 
658
    def test_registered_methods(self):
 
659
        """Test that known methods are registered to the correct object."""
 
660
        self.assertEqual(
 
661
            smart.request.request_handlers.get('Branch.get_config_file'),
 
662
            smart.branch.SmartServerBranchGetConfigFile)
 
663
        self.assertEqual(
 
664
            smart.request.request_handlers.get('Branch.lock_write'),
 
665
            smart.branch.SmartServerBranchRequestLockWrite)
 
666
        self.assertEqual(
 
667
            smart.request.request_handlers.get('Branch.last_revision_info'),
 
668
            smart.branch.SmartServerBranchRequestLastRevisionInfo)
 
669
        self.assertEqual(
 
670
            smart.request.request_handlers.get('Branch.revision_history'),
 
671
            smart.branch.SmartServerRequestRevisionHistory)
 
672
        self.assertEqual(
 
673
            smart.request.request_handlers.get('Branch.set_last_revision'),
 
674
            smart.branch.SmartServerBranchRequestSetLastRevision)
 
675
        self.assertEqual(
 
676
            smart.request.request_handlers.get('Branch.unlock'),
 
677
            smart.branch.SmartServerBranchRequestUnlock)
 
678
        self.assertEqual(
 
679
            smart.request.request_handlers.get('BzrDir.find_repository'),
 
680
            smart.bzrdir.SmartServerRequestFindRepository)
 
681
        self.assertEqual(
 
682
            smart.request.request_handlers.get('BzrDirFormat.initialize'),
 
683
            smart.bzrdir.SmartServerRequestInitializeBzrDir)
 
684
        self.assertEqual(
 
685
            smart.request.request_handlers.get('BzrDir.open_branch'),
 
686
            smart.bzrdir.SmartServerRequestOpenBranch)
 
687
        self.assertEqual(
 
688
            smart.request.request_handlers.get('Repository.gather_stats'),
 
689
            smart.repository.SmartServerRepositoryGatherStats)
 
690
        self.assertEqual(
 
691
            smart.request.request_handlers.get('Repository.get_revision_graph'),
 
692
            smart.repository.SmartServerRepositoryGetRevisionGraph)
 
693
        self.assertEqual(
 
694
            smart.request.request_handlers.get('Repository.has_revision'),
 
695
            smart.repository.SmartServerRequestHasRevision)
 
696
        self.assertEqual(
 
697
            smart.request.request_handlers.get('Repository.is_shared'),
 
698
            smart.repository.SmartServerRepositoryIsShared)
 
699
        self.assertEqual(
 
700
            smart.request.request_handlers.get('Repository.lock_write'),
 
701
            smart.repository.SmartServerRepositoryLockWrite)
 
702
        self.assertEqual(
 
703
            smart.request.request_handlers.get('Repository.unlock'),
 
704
            smart.repository.SmartServerRepositoryUnlock)