~bzr-pqm/bzr/bzr.dev

« back to all changes in this revision

Viewing changes to bzrlib/selftest/testrevisionnamespaces.py

  • Committer: Martin Pool
  • Date: 2005-09-30 05:56:05 UTC
  • mto: (1185.14.2)
  • mto: This revision was merged to the branch mainline in revision 1396.
  • Revision ID: mbp@sourcefrog.net-20050930055605-a2c534529b392a7d
- fix upgrade for transport changes

Show diffs side-by-side

added added

removed removed

Lines of Context:
1
 
# Copyright (C) 2004, 2005, 2006 Canonical Ltd
2
 
#
 
1
# Copyright (C) 2004, 2005 by Canonical Ltd
 
2
 
3
3
# This program is free software; you can redistribute it and/or modify
4
4
# it under the terms of the GNU General Public License as published by
5
5
# the Free Software Foundation; either version 2 of the License, or
6
6
# (at your option) any later version.
7
 
#
 
7
 
8
8
# This program is distributed in the hope that it will be useful,
9
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11
11
# GNU General Public License for more details.
12
 
#
 
12
 
13
13
# You should have received a copy of the GNU General Public License
14
14
# along with this program; if not, write to the Free Software
15
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
16
16
 
17
 
import datetime
18
17
import os
19
18
import time
20
 
 
21
 
from bzrlib import (
22
 
    errors,
23
 
    )
24
 
from bzrlib.builtins import merge
25
 
from bzrlib.tests import TestCase, TestCaseWithTransport
26
 
from bzrlib.revisionspec import RevisionSpec, RevisionSpec_revno
27
 
 
28
 
 
29
 
def spec_in_history(spec, branch):
30
 
    """A simple helper to change a revision spec into a branch search"""
31
 
    return RevisionSpec.from_string(spec).in_history(branch)
32
 
 
33
 
 
34
 
# Basic class, which just creates a really basic set of revisions
35
 
class TestRevisionSpec(TestCaseWithTransport):
36
 
 
37
 
    def setUp(self):
38
 
        super(TestRevisionSpec, self).setUp()
39
 
        # this sets up a revision graph:
40
 
        # r1: []             1
41
 
        # alt_r2: [r1]       1.1.1
42
 
        # r2: [r1, alt_r2]   2
43
 
 
44
 
        self.tree = self.make_branch_and_tree('tree')
45
 
        self.build_tree(['tree/a'])
46
 
        self.tree.add(['a'])
47
 
        self.tree.commit('a', rev_id='r1')
48
 
 
49
 
        self.tree2 = self.tree.bzrdir.sprout('tree2').open_workingtree()
50
 
        self.tree2.commit('alt', rev_id='alt_r2')
51
 
 
52
 
        self.tree.branch.repository.fetch(self.tree2.branch.repository,
53
 
                                          revision_id='alt_r2')
54
 
        self.tree.set_pending_merges(['alt_r2'])
55
 
        self.tree.commit('second', rev_id='r2')
56
 
 
57
 
    def get_in_history(self, revision_spec):
58
 
        return spec_in_history(revision_spec, self.tree.branch)
59
 
 
60
 
    def assertInHistoryIs(self, exp_revno, exp_revision_id, revision_spec):
61
 
        rev_info = self.get_in_history(revision_spec)
62
 
        self.assertEqual(exp_revno, rev_info.revno,
63
 
                         'Revision spec: %s returned wrong revno: %s != %s'
64
 
                         % (revision_spec, exp_revno, rev_info.revno))
65
 
        self.assertEqual(exp_revision_id, rev_info.rev_id,
66
 
                         'Revision spec: %s returned wrong revision id:'
67
 
                         ' %s != %s'
68
 
                         % (revision_spec, exp_revision_id, rev_info.rev_id))
69
 
 
70
 
    def assertInvalid(self, revision_spec, extra=''):
71
 
        try:
72
 
            self.get_in_history(revision_spec)
73
 
        except errors.InvalidRevisionSpec, e:
74
 
            self.assertEqual(revision_spec, e.spec)
75
 
            self.assertEqual(extra, e.extra)
76
 
        else:
77
 
            self.fail('Expected InvalidRevisionSpec to be raised for %s'
78
 
                      % (revision_spec,))
79
 
 
80
 
 
81
 
class TestOddRevisionSpec(TestRevisionSpec):
82
 
    """Test things that aren't normally thought of as revision specs"""
83
 
 
84
 
    def test_none(self):
85
 
        self.assertInHistoryIs(0, None, None)
86
 
 
87
 
    def test_object(self):
88
 
        self.assertRaises(TypeError, RevisionSpec.from_string, object())
89
 
 
90
 
    def test_unregistered_spec(self):
91
 
        self.assertRaises(errors.NoSuchRevisionSpec,
92
 
                          RevisionSpec.from_string, 'foo')
93
 
        self.assertRaises(errors.NoSuchRevisionSpec,
94
 
                          RevisionSpec.from_string, '123a')
95
 
 
96
 
 
97
 
 
98
 
class TestRevnoFromString(TestCase):
99
 
 
100
 
    def test_from_string_dotted_decimal(self):
101
 
        self.assertRaises(errors.NoSuchRevisionSpec, RevisionSpec.from_string, '-1.1')
102
 
        self.assertRaises(errors.NoSuchRevisionSpec, RevisionSpec.from_string, '.1')
103
 
        self.assertRaises(errors.NoSuchRevisionSpec, RevisionSpec.from_string, '1..1')
104
 
        self.assertRaises(errors.NoSuchRevisionSpec, RevisionSpec.from_string, '1.2..1')
105
 
        self.assertRaises(errors.NoSuchRevisionSpec, RevisionSpec.from_string, '1.')
106
 
        self.assertIsInstance(RevisionSpec.from_string('1.1'), RevisionSpec_revno)
107
 
        self.assertIsInstance(RevisionSpec.from_string('1.1.3'), RevisionSpec_revno)
108
 
 
109
 
 
110
 
class TestRevisionSpec_revno(TestRevisionSpec):
111
 
 
112
 
    def test_positive_int(self):
113
 
        self.assertInHistoryIs(0, None, '0')
114
 
        self.assertInHistoryIs(1, 'r1', '1')
115
 
        self.assertInHistoryIs(2, 'r2', '2')
116
 
        self.assertInvalid('3')
117
 
 
118
 
    def test_dotted_decimal(self):
119
 
        self.assertInHistoryIs(None, 'alt_r2', '1.1.1')
120
 
 
121
 
    def test_negative_int(self):
122
 
        self.assertInHistoryIs(2, 'r2', '-1')
123
 
        self.assertInHistoryIs(1, 'r1', '-2')
124
 
 
125
 
        self.assertInHistoryIs(1, 'r1', '-3')
126
 
        self.assertInHistoryIs(1, 'r1', '-4')
127
 
        self.assertInHistoryIs(1, 'r1', '-100')
128
 
 
129
 
    def test_positive(self):
130
 
        self.assertInHistoryIs(0, None, 'revno:0')
131
 
        self.assertInHistoryIs(1, 'r1', 'revno:1')
132
 
        self.assertInHistoryIs(2, 'r2', 'revno:2')
133
 
 
134
 
        self.assertInvalid('revno:3')
135
 
 
136
 
    def test_negative(self):
137
 
        self.assertInHistoryIs(2, 'r2', 'revno:-1')
138
 
        self.assertInHistoryIs(1, 'r1', 'revno:-2')
139
 
 
140
 
        self.assertInHistoryIs(1, 'r1', 'revno:-3')
141
 
        self.assertInHistoryIs(1, 'r1', 'revno:-4')
142
 
 
143
 
    def test_invalid_number(self):
144
 
        # Get the right exception text
145
 
        try:
146
 
            int('X')
147
 
        except ValueError, e:
148
 
            pass
149
 
        self.assertInvalid('revno:X', extra='\n' + str(e))
150
 
 
151
 
    def test_missing_number_and_branch(self):
152
 
        self.assertInvalid('revno::',
153
 
                           extra='\ncannot have an empty revno and no branch')
154
 
 
155
 
    def test_invalid_number_with_branch(self):
156
 
        try:
157
 
            int('X')
158
 
        except ValueError, e:
159
 
            pass
160
 
        self.assertInvalid('revno:X:tree2', extra='\n' + str(e))
161
 
 
162
 
    def test_non_exact_branch(self):
163
 
        # It seems better to require an exact path to the branch
164
 
        # Branch.open() rather than using Branch.open_containing()
165
 
        spec = RevisionSpec.from_string('revno:2:tree2/a')
166
 
        self.assertRaises(errors.NotBranchError,
167
 
                          spec.in_history, self.tree.branch)
168
 
 
169
 
    def test_with_branch(self):
170
 
        # Passing a URL overrides the supplied branch path
171
 
        revinfo = self.get_in_history('revno:2:tree2')
172
 
        self.assertNotEqual(self.tree.branch.base, revinfo.branch.base)
173
 
        self.assertEqual(self.tree2.branch.base, revinfo.branch.base)
174
 
        self.assertEqual(2, revinfo.revno)
175
 
        self.assertEqual('alt_r2', revinfo.rev_id)
176
 
 
177
 
    def test_int_with_branch(self):
178
 
        revinfo = self.get_in_history('2:tree2')
179
 
        self.assertNotEqual(self.tree.branch.base, revinfo.branch.base)
180
 
        self.assertEqual(self.tree2.branch.base, revinfo.branch.base)
181
 
        self.assertEqual(2, revinfo.revno)
182
 
        self.assertEqual('alt_r2', revinfo.rev_id)
183
 
 
184
 
    def test_with_url(self):
185
 
        url = self.get_url() + '/tree2'
186
 
        revinfo = self.get_in_history('revno:2:%s' % (url,))
187
 
        self.assertNotEqual(self.tree.branch.base, revinfo.branch.base)
188
 
        self.assertEqual(self.tree2.branch.base, revinfo.branch.base)
189
 
        self.assertEqual(2, revinfo.revno)
190
 
        self.assertEqual('alt_r2', revinfo.rev_id)
191
 
 
192
 
    def test_negative_with_url(self):
193
 
        url = self.get_url() + '/tree2'
194
 
        revinfo = self.get_in_history('revno:-1:%s' % (url,))
195
 
        self.assertNotEqual(self.tree.branch.base, revinfo.branch.base)
196
 
        self.assertEqual(self.tree2.branch.base, revinfo.branch.base)
197
 
        self.assertEqual(2, revinfo.revno)
198
 
        self.assertEqual('alt_r2', revinfo.rev_id)
199
 
 
200
 
    def test_different_history_lengths(self):
201
 
        # Make sure we use the revisions and offsets in the supplied branch
202
 
        # not the ones in the original branch.
203
 
        self.tree2.commit('three', rev_id='r3')
204
 
        self.assertInHistoryIs(3, 'r3', 'revno:3:tree2')
205
 
        self.assertInHistoryIs(3, 'r3', 'revno:-1:tree2')
206
 
 
207
 
    def test_invalid_branch(self):
208
 
        self.assertRaises(errors.NotBranchError,
209
 
                          self.get_in_history, 'revno:-1:tree3')
210
 
 
211
 
    def test_invalid_revno_in_branch(self):
212
 
        self.tree.commit('three', rev_id='r3')
213
 
        self.assertInvalid('revno:3:tree2')
214
 
 
215
 
    def test_revno_n_path(self):
216
 
        """Old revno:N:path tests"""
217
 
        wta = self.make_branch_and_tree('a')
218
 
        ba = wta.branch
219
 
        
220
 
        wta.commit('Commit one', rev_id='a@r-0-1')
221
 
        wta.commit('Commit two', rev_id='a@r-0-2')
222
 
        wta.commit('Commit three', rev_id='a@r-0-3')
223
 
 
224
 
        wtb = self.make_branch_and_tree('b')
225
 
        bb = wtb.branch
226
 
 
227
 
        wtb.commit('Commit one', rev_id='b@r-0-1')
228
 
        wtb.commit('Commit two', rev_id='b@r-0-2')
229
 
        wtb.commit('Commit three', rev_id='b@r-0-3')
230
 
 
231
 
 
232
 
        self.assertEqual((1, 'a@r-0-1'),
233
 
                         spec_in_history('revno:1:a/', ba))
234
 
        # The argument of in_history should be ignored since it is
235
 
        # redundant with the path in the spec.
236
 
        self.assertEqual((1, 'a@r-0-1'),
237
 
                         spec_in_history('revno:1:a/', None))
238
 
        self.assertEqual((1, 'a@r-0-1'),
239
 
                         spec_in_history('revno:1:a/', bb))
240
 
        self.assertEqual((2, 'b@r-0-2'),
241
 
                         spec_in_history('revno:2:b/', None))
242
 
 
243
 
 
244
 
 
245
 
class TestRevisionSpec_revid(TestRevisionSpec):
246
 
    
247
 
    def test_in_history(self):
248
 
        # We should be able to access revisions that are directly
249
 
        # in the history.
250
 
        self.assertInHistoryIs(1, 'r1', 'revid:r1')
251
 
        self.assertInHistoryIs(2, 'r2', 'revid:r2')
252
 
        
253
 
    def test_missing(self):
254
 
        self.assertInvalid('revid:r3')
255
 
 
256
 
    def test_merged(self):
257
 
        """We can reach revisions in the ancestry"""
258
 
        self.assertInHistoryIs(None, 'alt_r2', 'revid:alt_r2')
259
 
 
260
 
    def test_not_here(self):
261
 
        self.tree2.commit('alt third', rev_id='alt_r3')
262
 
        # It exists in tree2, but not in tree
263
 
        self.assertInvalid('revid:alt_r3')
264
 
 
265
 
    def test_in_repository(self):
266
 
        """We can get any revision id in the repository"""
267
 
        # XXX: This may change in the future, but for now, it is true
268
 
        self.tree2.commit('alt third', rev_id='alt_r3')
269
 
        self.tree.branch.repository.fetch(self.tree2.branch.repository,
270
 
                                          revision_id='alt_r3')
271
 
        self.assertInHistoryIs(None, 'alt_r3', 'revid:alt_r3')
272
 
 
273
 
 
274
 
class TestRevisionSpec_last(TestRevisionSpec):
275
 
 
276
 
    def test_positive(self):
277
 
        self.assertInHistoryIs(2, 'r2', 'last:1')
278
 
        self.assertInHistoryIs(1, 'r1', 'last:2')
279
 
        self.assertInHistoryIs(0, None, 'last:3')
280
 
 
281
 
    def test_empty(self):
282
 
        self.assertInHistoryIs(2, 'r2', 'last:')
283
 
 
284
 
    def test_negative(self):
285
 
        self.assertInvalid('last:-1',
286
 
                           extra='\nyou must supply a positive value')
287
 
 
288
 
    def test_missing(self):
289
 
        self.assertInvalid('last:4')
290
 
 
291
 
    def test_no_history(self):
292
 
        tree = self.make_branch_and_tree('tree3')
293
 
 
294
 
        self.assertRaises(errors.NoCommits,
295
 
                          spec_in_history, 'last:', tree.branch)
296
 
 
297
 
    def test_not_a_number(self):
298
 
        try:
299
 
            int('Y')
300
 
        except ValueError, e:
301
 
            pass
302
 
        self.assertInvalid('last:Y', extra='\n' + str(e))
303
 
 
304
 
 
305
 
class TestRevisionSpec_before(TestRevisionSpec):
306
 
 
307
 
    def test_int(self):
308
 
        self.assertInHistoryIs(1, 'r1', 'before:2')
309
 
        self.assertInHistoryIs(1, 'r1', 'before:-1')
310
 
 
311
 
    def test_before_one(self):
312
 
        self.assertInHistoryIs(0, None, 'before:1')
313
 
 
314
 
    def test_before_none(self):
315
 
        self.assertInvalid('before:0',
316
 
                           extra='\ncannot go before the null: revision')
317
 
 
318
 
    def test_revid(self):
319
 
        self.assertInHistoryIs(1, 'r1', 'before:revid:r2')
320
 
 
321
 
    def test_last(self):
322
 
        self.assertInHistoryIs(1, 'r1', 'before:last:1')
323
 
 
324
 
    def test_alt_revid(self):
325
 
        # This will grab the left-most ancestor for alternate histories
326
 
        self.assertInHistoryIs(1, 'r1', 'before:revid:alt_r2')
327
 
 
328
 
    def test_alt_no_parents(self):
329
 
        new_tree = self.make_branch_and_tree('new_tree')
330
 
        new_tree.commit('first', rev_id='new_r1')
331
 
        self.tree.branch.repository.fetch(new_tree.branch.repository,
332
 
                                          revision_id='new_r1')
333
 
        self.assertInHistoryIs(0, None, 'before:revid:new_r1')
334
 
 
335
 
 
336
 
class TestRevisionSpec_tag(TestRevisionSpec):
337
 
    
338
 
    def test_invalid(self):
339
 
        self.assertInvalid('tag:foo', extra='\ntag: namespace registered,'
340
 
                                            ' but not implemented')
341
 
 
342
 
 
343
 
class TestRevisionSpec_date(TestRevisionSpec):
344
 
 
345
 
    def setUp(self):
346
 
        super(TestRevisionSpec, self).setUp()
347
 
 
348
 
        new_tree = self.make_branch_and_tree('new_tree')
349
 
        new_tree.commit('Commit one', rev_id='new_r1',
350
 
                        timestamp=time.time() - 60*60*24)
351
 
        new_tree.commit('Commit two', rev_id='new_r2')
352
 
        new_tree.commit('Commit three', rev_id='new_r3')
353
 
 
354
 
        self.tree = new_tree
355
 
 
356
 
    def test_tomorrow(self):
357
 
        self.assertInvalid('date:tomorrow')
358
 
 
359
 
    def test_today(self):
360
 
        self.assertInHistoryIs(2, 'new_r2', 'date:today')
361
 
        self.assertInHistoryIs(1, 'new_r1', 'before:date:today')
362
 
 
363
 
    def test_yesterday(self):
364
 
        self.assertInHistoryIs(1, 'new_r1', 'date:yesterday')
365
 
 
366
 
    def test_invalid(self):
367
 
        self.assertInvalid('date:foobar', extra='\ninvalid date')
368
 
        # You must have '-' between year/month/day
369
 
        self.assertInvalid('date:20040404', extra='\ninvalid date')
370
 
        # Need 2 digits for each date piece
371
 
        self.assertInvalid('date:2004-4-4', extra='\ninvalid date')
372
 
 
373
 
    def test_day(self):
374
 
        now = datetime.datetime.now()
375
 
        self.assertInHistoryIs(2, 'new_r2',
376
 
            'date:%04d-%02d-%02d' % (now.year, now.month, now.day))
377
 
 
378
 
 
379
 
class TestRevisionSpec_ancestor(TestRevisionSpec):
380
 
    
381
 
    def test_non_exact_branch(self):
382
 
        # It seems better to require an exact path to the branch
383
 
        # Branch.open() rather than using Branch.open_containing()
384
 
        self.assertRaises(errors.NotBranchError,
385
 
                          self.get_in_history, 'ancestor:tree2/a')
386
 
 
387
 
    def test_simple(self):
388
 
        # Common ancestor of trees is 'alt_r2'
389
 
        self.assertInHistoryIs(None, 'alt_r2', 'ancestor:tree2')
390
 
 
391
 
        # Going the other way, we get a valid revno
392
 
        tmp = self.tree
393
 
        self.tree = self.tree2
394
 
        self.tree2 = tmp
395
 
        self.assertInHistoryIs(2, 'alt_r2', 'ancestor:tree')
396
 
 
397
 
    def test_self(self):
398
 
        self.assertInHistoryIs(2, 'r2', 'ancestor:tree')
399
 
 
400
 
    def test_unrelated(self):
401
 
        new_tree = self.make_branch_and_tree('new_tree')
402
 
 
403
 
        new_tree.commit('Commit one', rev_id='new_r1')
404
 
        new_tree.commit('Commit two', rev_id='new_r2')
405
 
        new_tree.commit('Commit three', rev_id='new_r3')
406
 
 
407
 
        # With no common ancestor, we should raise another user error
408
 
        self.assertRaises(errors.NoCommonAncestor,
409
 
                          self.get_in_history, 'ancestor:new_tree')
410
 
 
411
 
    def test_no_commits(self):
412
 
        new_tree = self.make_branch_and_tree('new_tree')
413
 
        self.assertRaises(errors.NoCommits,
414
 
                          spec_in_history, 'ancestor:new_tree',
415
 
                                           self.tree.branch)
416
 
                        
417
 
        self.assertRaises(errors.NoCommits,
418
 
                          spec_in_history, 'ancestor:tree',
419
 
                                           new_tree.branch)
420
 
 
421
 
 
422
 
class TestRevisionSpec_branch(TestRevisionSpec):
423
 
    
424
 
    def test_non_exact_branch(self):
425
 
        # It seems better to require an exact path to the branch
426
 
        # Branch.open() rather than using Branch.open_containing()
427
 
        self.assertRaises(errors.NotBranchError,
428
 
                          self.get_in_history, 'branch:tree2/a')
429
 
 
430
 
    def test_simple(self):
431
 
        self.assertInHistoryIs(None, 'alt_r2', 'branch:tree2')
432
 
 
433
 
    def test_self(self):
434
 
        self.assertInHistoryIs(2, 'r2', 'branch:tree')
435
 
 
436
 
    def test_unrelated(self):
437
 
        new_tree = self.make_branch_and_tree('new_tree')
438
 
 
439
 
        new_tree.commit('Commit one', rev_id='new_r1')
440
 
        new_tree.commit('Commit two', rev_id='new_r2')
441
 
        new_tree.commit('Commit three', rev_id='new_r3')
442
 
 
443
 
        self.assertInHistoryIs(None, 'new_r3', 'branch:new_tree')
444
 
 
445
 
        # XXX: Right now, we use fetch() to make sure the remote revisions
446
 
        # have been pulled into the local branch. We may change that
447
 
        # behavior in the future.
448
 
        self.failUnless(self.tree.branch.repository.has_revision('new_r3'))
449
 
 
450
 
    def test_no_commits(self):
451
 
        new_tree = self.make_branch_and_tree('new_tree')
452
 
        self.assertRaises(errors.NoCommits,
453
 
                          self.get_in_history, 'branch:new_tree')
 
19
from bzrlib.selftest import TestCaseInTempDir
 
20
from bzrlib.errors import NoCommonAncestor, NoCommits
 
21
from bzrlib.clone import copy_branch
 
22
from bzrlib.merge import merge
 
23
 
 
24
class TestRevisionNamespaces(TestCaseInTempDir):
 
25
 
 
26
    def test_revision_namespaces(self):
 
27
        """Test revision specifiers.
 
28
 
 
29
        These identify revisions by date, etc."""
 
30
        from bzrlib.errors import NoSuchRevision
 
31
        from bzrlib.branch import Branch
 
32
        from bzrlib.revisionspec import RevisionSpec
 
33
 
 
34
        b = Branch.initialize('.')
 
35
 
 
36
        b.commit('Commit one', rev_id='a@r-0-1', timestamp=time.time() - 60*60*24)
 
37
        b.commit('Commit two', rev_id='a@r-0-2')
 
38
        b.commit('Commit three', rev_id='a@r-0-3')
 
39
 
 
40
        self.assertEquals(RevisionSpec(None).in_history(b), (0, None))
 
41
        self.assertEquals(RevisionSpec(1).in_history(b), (1, 'a@r-0-1'))
 
42
        self.assertEquals(RevisionSpec('revno:1').in_history(b),
 
43
                          (1, 'a@r-0-1'))
 
44
        self.assertEquals(RevisionSpec('revid:a@r-0-1').in_history(b),
 
45
                          (1, 'a@r-0-1'))
 
46
        self.assertRaises(NoSuchRevision,
 
47
                          RevisionSpec('revid:a@r-0-0').in_history, b)
 
48
        self.assertRaises(TypeError, RevisionSpec, object)
 
49
 
 
50
        self.assertEquals(RevisionSpec('date:today').in_history(b),
 
51
                          (2, 'a@r-0-2'))
 
52
        self.assertEquals(RevisionSpec('date:yesterday').in_history(b),
 
53
                          (1, 'a@r-0-1'))
 
54
        self.assertEquals(RevisionSpec('before:date:today').in_history(b),
 
55
                          (1, 'a@r-0-1'))
 
56
 
 
57
        self.assertEquals(RevisionSpec('last:1').in_history(b),
 
58
                          (3, 'a@r-0-3'))
 
59
        self.assertEquals(RevisionSpec('-1').in_history(b), (3, 'a@r-0-3'))
 
60
#        self.assertEquals(b.get_revision_info('last:1'), (3, 'a@r-0-3'))
 
61
#        self.assertEquals(b.get_revision_info('-1'), (3, 'a@r-0-3'))
 
62
 
 
63
        self.assertEquals(RevisionSpec('ancestor:.').in_history(b).rev_id,
 
64
                          'a@r-0-3')
 
65
 
 
66
        os.mkdir('newbranch')
 
67
        b2 = Branch.initialize('newbranch')
 
68
        self.assertRaises(NoCommits, RevisionSpec('ancestor:.').in_history, b2)
 
69
 
 
70
        os.mkdir('copy')
 
71
        b3 = copy_branch(b, 'copy')
 
72
        b3.commit('Commit four', rev_id='b@r-0-4')
 
73
        self.assertEquals(RevisionSpec('ancestor:.').in_history(b3).rev_id,
 
74
                          'a@r-0-3')
 
75
        merge(['copy', -1], [None, None])
 
76
        b.commit('Commit five', rev_id='a@r-0-4')
 
77
        self.assertEquals(RevisionSpec('ancestor:copy').in_history(b).rev_id,
 
78
                          'b@r-0-4')
 
79
        self.assertEquals(RevisionSpec('ancestor:.').in_history(b3).rev_id,
 
80
                          'b@r-0-4')