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  • Committer: Martin Pool
  • Date: 2005-09-07 04:00:21 UTC
  • Revision ID: mbp@sourcefrog.net-20050907040020-2c7a5e0176888d95
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# Copyright (C) 2004, 2005, 2006, 2007 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
 
import time
20
 
 
21
 
from bzrlib import (
22
 
    branch,
23
 
    bzrdir,
24
 
    errors,
25
 
    repository,
26
 
    )
27
 
from bzrlib.builtins import merge
28
 
from bzrlib.tests import TestCase, TestCaseWithTransport
29
 
from bzrlib.revisionspec import (
30
 
    RevisionSpec,
31
 
    RevisionSpec_revno,
32
 
    RevisionSpec_tag,
33
 
    )
34
 
 
35
 
 
36
 
def spec_in_history(spec, branch):
37
 
    """A simple helper to change a revision spec into a branch search"""
38
 
    return RevisionSpec.from_string(spec).in_history(branch)
39
 
 
40
 
 
41
 
# Basic class, which just creates a really basic set of revisions
42
 
class TestRevisionSpec(TestCaseWithTransport):
43
 
 
44
 
    def setUp(self):
45
 
        super(TestRevisionSpec, self).setUp()
46
 
        # this sets up a revision graph:
47
 
        # r1: []             1
48
 
        # alt_r2: [r1]       1.1.1
49
 
        # r2: [r1, alt_r2]   2
50
 
 
51
 
        self.tree = self.make_branch_and_tree('tree')
52
 
        self.build_tree(['tree/a'])
53
 
        self.tree.add(['a'])
54
 
        self.tree.commit('a', rev_id='r1')
55
 
 
56
 
        self.tree2 = self.tree.bzrdir.sprout('tree2').open_workingtree()
57
 
        self.tree2.commit('alt', rev_id='alt_r2')
58
 
 
59
 
        self.tree.branch.repository.fetch(self.tree2.branch.repository,
60
 
                                          revision_id='alt_r2')
61
 
        self.tree.set_pending_merges(['alt_r2'])
62
 
        self.tree.commit('second', rev_id='r2')
63
 
 
64
 
    def get_in_history(self, revision_spec):
65
 
        return spec_in_history(revision_spec, self.tree.branch)
66
 
 
67
 
    def assertInHistoryIs(self, exp_revno, exp_revision_id, revision_spec):
68
 
        rev_info = self.get_in_history(revision_spec)
69
 
        self.assertEqual(exp_revno, rev_info.revno,
70
 
                         'Revision spec: %r returned wrong revno: %r != %r'
71
 
                         % (revision_spec, exp_revno, rev_info.revno))
72
 
        self.assertEqual(exp_revision_id, rev_info.rev_id,
73
 
                         'Revision spec: %r returned wrong revision id:'
74
 
                         ' %r != %r'
75
 
                         % (revision_spec, exp_revision_id, rev_info.rev_id))
76
 
 
77
 
    def assertInvalid(self, revision_spec, extra=''):
78
 
        try:
79
 
            self.get_in_history(revision_spec)
80
 
        except errors.InvalidRevisionSpec, e:
81
 
            self.assertEqual(revision_spec, e.spec)
82
 
            self.assertEqual(extra, e.extra)
83
 
        else:
84
 
            self.fail('Expected InvalidRevisionSpec to be raised for %s'
85
 
                      % (revision_spec,))
86
 
 
87
 
 
88
 
class TestOddRevisionSpec(TestRevisionSpec):
89
 
    """Test things that aren't normally thought of as revision specs"""
90
 
 
91
 
    def test_none(self):
92
 
        self.assertInHistoryIs(0, None, None)
93
 
 
94
 
    def test_object(self):
95
 
        self.assertRaises(TypeError, RevisionSpec.from_string, object())
96
 
 
97
 
    def test_unregistered_spec(self):
98
 
        self.assertRaises(errors.NoSuchRevisionSpec,
99
 
                          RevisionSpec.from_string, 'foo')
100
 
        self.assertRaises(errors.NoSuchRevisionSpec,
101
 
                          RevisionSpec.from_string, '123a')
102
 
 
103
 
 
104
 
 
105
 
class TestRevnoFromString(TestCase):
106
 
 
107
 
    def test_from_string_dotted_decimal(self):
108
 
        self.assertRaises(errors.NoSuchRevisionSpec, RevisionSpec.from_string, '-1.1')
109
 
        self.assertRaises(errors.NoSuchRevisionSpec, RevisionSpec.from_string, '.1')
110
 
        self.assertRaises(errors.NoSuchRevisionSpec, RevisionSpec.from_string, '1..1')
111
 
        self.assertRaises(errors.NoSuchRevisionSpec, RevisionSpec.from_string, '1.2..1')
112
 
        self.assertRaises(errors.NoSuchRevisionSpec, RevisionSpec.from_string, '1.')
113
 
        self.assertIsInstance(RevisionSpec.from_string('1.1'), RevisionSpec_revno)
114
 
        self.assertIsInstance(RevisionSpec.from_string('1.1.3'), RevisionSpec_revno)
115
 
 
116
 
 
117
 
class TestRevisionSpec_revno(TestRevisionSpec):
118
 
 
119
 
    def test_positive_int(self):
120
 
        self.assertInHistoryIs(0, None, '0')
121
 
        self.assertInHistoryIs(1, 'r1', '1')
122
 
        self.assertInHistoryIs(2, 'r2', '2')
123
 
        self.assertInvalid('3')
124
 
 
125
 
    def test_dotted_decimal(self):
126
 
        self.assertInHistoryIs(None, 'alt_r2', '1.1.1')
127
 
 
128
 
    def test_negative_int(self):
129
 
        self.assertInHistoryIs(2, 'r2', '-1')
130
 
        self.assertInHistoryIs(1, 'r1', '-2')
131
 
 
132
 
        self.assertInHistoryIs(1, 'r1', '-3')
133
 
        self.assertInHistoryIs(1, 'r1', '-4')
134
 
        self.assertInHistoryIs(1, 'r1', '-100')
135
 
 
136
 
    def test_positive(self):
137
 
        self.assertInHistoryIs(0, None, 'revno:0')
138
 
        self.assertInHistoryIs(1, 'r1', 'revno:1')
139
 
        self.assertInHistoryIs(2, 'r2', 'revno:2')
140
 
 
141
 
        self.assertInvalid('revno:3')
142
 
 
143
 
    def test_negative(self):
144
 
        self.assertInHistoryIs(2, 'r2', 'revno:-1')
145
 
        self.assertInHistoryIs(1, 'r1', 'revno:-2')
146
 
 
147
 
        self.assertInHistoryIs(1, 'r1', 'revno:-3')
148
 
        self.assertInHistoryIs(1, 'r1', 'revno:-4')
149
 
 
150
 
    def test_invalid_number(self):
151
 
        # Get the right exception text
152
 
        try:
153
 
            int('X')
154
 
        except ValueError, e:
155
 
            pass
156
 
        self.assertInvalid('revno:X', extra='\n' + str(e))
157
 
 
158
 
    def test_missing_number_and_branch(self):
159
 
        self.assertInvalid('revno::',
160
 
                           extra='\ncannot have an empty revno and no branch')
161
 
 
162
 
    def test_invalid_number_with_branch(self):
163
 
        try:
164
 
            int('X')
165
 
        except ValueError, e:
166
 
            pass
167
 
        self.assertInvalid('revno:X:tree2', extra='\n' + str(e))
168
 
 
169
 
    def test_non_exact_branch(self):
170
 
        # It seems better to require an exact path to the branch
171
 
        # Branch.open() rather than using Branch.open_containing()
172
 
        spec = RevisionSpec.from_string('revno:2:tree2/a')
173
 
        self.assertRaises(errors.NotBranchError,
174
 
                          spec.in_history, self.tree.branch)
175
 
 
176
 
    def test_with_branch(self):
177
 
        # Passing a URL overrides the supplied branch path
178
 
        revinfo = self.get_in_history('revno: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_int_with_branch(self):
185
 
        revinfo = self.get_in_history('2:tree2')
186
 
        self.assertNotEqual(self.tree.branch.base, revinfo.branch.base)
187
 
        self.assertEqual(self.tree2.branch.base, revinfo.branch.base)
188
 
        self.assertEqual(2, revinfo.revno)
189
 
        self.assertEqual('alt_r2', revinfo.rev_id)
190
 
 
191
 
    def test_with_url(self):
192
 
        url = self.get_url() + '/tree2'
193
 
        revinfo = self.get_in_history('revno:2:%s' % (url,))
194
 
        self.assertNotEqual(self.tree.branch.base, revinfo.branch.base)
195
 
        self.assertEqual(self.tree2.branch.base, revinfo.branch.base)
196
 
        self.assertEqual(2, revinfo.revno)
197
 
        self.assertEqual('alt_r2', revinfo.rev_id)
198
 
 
199
 
    def test_negative_with_url(self):
200
 
        url = self.get_url() + '/tree2'
201
 
        revinfo = self.get_in_history('revno:-1:%s' % (url,))
202
 
        self.assertNotEqual(self.tree.branch.base, revinfo.branch.base)
203
 
        self.assertEqual(self.tree2.branch.base, revinfo.branch.base)
204
 
        self.assertEqual(2, revinfo.revno)
205
 
        self.assertEqual('alt_r2', revinfo.rev_id)
206
 
 
207
 
    def test_different_history_lengths(self):
208
 
        # Make sure we use the revisions and offsets in the supplied branch
209
 
        # not the ones in the original branch.
210
 
        self.tree2.commit('three', rev_id='r3')
211
 
        self.assertInHistoryIs(3, 'r3', 'revno:3:tree2')
212
 
        self.assertInHistoryIs(3, 'r3', 'revno:-1:tree2')
213
 
 
214
 
    def test_invalid_branch(self):
215
 
        self.assertRaises(errors.NotBranchError,
216
 
                          self.get_in_history, 'revno:-1:tree3')
217
 
 
218
 
    def test_invalid_revno_in_branch(self):
219
 
        self.tree.commit('three', rev_id='r3')
220
 
        self.assertInvalid('revno:3:tree2')
221
 
 
222
 
    def test_revno_n_path(self):
223
 
        """Old revno:N:path tests"""
224
 
        wta = self.make_branch_and_tree('a')
225
 
        ba = wta.branch
226
 
        
227
 
        wta.commit('Commit one', rev_id='a@r-0-1')
228
 
        wta.commit('Commit two', rev_id='a@r-0-2')
229
 
        wta.commit('Commit three', rev_id='a@r-0-3')
230
 
 
231
 
        wtb = self.make_branch_and_tree('b')
232
 
        bb = wtb.branch
233
 
 
234
 
        wtb.commit('Commit one', rev_id='b@r-0-1')
235
 
        wtb.commit('Commit two', rev_id='b@r-0-2')
236
 
        wtb.commit('Commit three', rev_id='b@r-0-3')
237
 
 
238
 
 
239
 
        self.assertEqual((1, 'a@r-0-1'),
240
 
                         spec_in_history('revno:1:a/', ba))
241
 
        # The argument of in_history should be ignored since it is
242
 
        # redundant with the path in the spec.
243
 
        self.assertEqual((1, 'a@r-0-1'),
244
 
                         spec_in_history('revno:1:a/', None))
245
 
        self.assertEqual((1, 'a@r-0-1'),
246
 
                         spec_in_history('revno:1:a/', bb))
247
 
        self.assertEqual((2, 'b@r-0-2'),
248
 
                         spec_in_history('revno:2:b/', None))
249
 
 
250
 
 
251
 
 
252
 
class TestRevisionSpec_revid(TestRevisionSpec):
253
 
    
254
 
    def test_in_history(self):
255
 
        # We should be able to access revisions that are directly
256
 
        # in the history.
257
 
        self.assertInHistoryIs(1, 'r1', 'revid:r1')
258
 
        self.assertInHistoryIs(2, 'r2', 'revid:r2')
259
 
        
260
 
    def test_missing(self):
261
 
        self.assertInvalid('revid:r3')
262
 
 
263
 
    def test_merged(self):
264
 
        """We can reach revisions in the ancestry"""
265
 
        self.assertInHistoryIs(None, 'alt_r2', 'revid:alt_r2')
266
 
 
267
 
    def test_not_here(self):
268
 
        self.tree2.commit('alt third', rev_id='alt_r3')
269
 
        # It exists in tree2, but not in tree
270
 
        self.assertInvalid('revid:alt_r3')
271
 
 
272
 
    def test_in_repository(self):
273
 
        """We can get any revision id in the repository"""
274
 
        # XXX: This may change in the future, but for now, it is true
275
 
        self.tree2.commit('alt third', rev_id='alt_r3')
276
 
        self.tree.branch.repository.fetch(self.tree2.branch.repository,
277
 
                                          revision_id='alt_r3')
278
 
        self.assertInHistoryIs(None, 'alt_r3', 'revid:alt_r3')
279
 
 
280
 
    def test_unicode(self):
281
 
        """We correctly convert a unicode ui string to an encoded revid."""
282
 
        revision_id = u'\N{SNOWMAN}'.encode('utf-8')
283
 
        self.tree.commit('unicode', rev_id=revision_id)
284
 
        self.assertInHistoryIs(3, revision_id, u'revid:\N{SNOWMAN}')
285
 
        self.assertInHistoryIs(3, revision_id, 'revid:' + revision_id)
286
 
 
287
 
 
288
 
class TestRevisionSpec_last(TestRevisionSpec):
289
 
 
290
 
    def test_positive(self):
291
 
        self.assertInHistoryIs(2, 'r2', 'last:1')
292
 
        self.assertInHistoryIs(1, 'r1', 'last:2')
293
 
        self.assertInHistoryIs(0, None, 'last:3')
294
 
 
295
 
    def test_empty(self):
296
 
        self.assertInHistoryIs(2, 'r2', 'last:')
297
 
 
298
 
    def test_negative(self):
299
 
        self.assertInvalid('last:-1',
300
 
                           extra='\nyou must supply a positive value')
301
 
 
302
 
    def test_missing(self):
303
 
        self.assertInvalid('last:4')
304
 
 
305
 
    def test_no_history(self):
306
 
        tree = self.make_branch_and_tree('tree3')
307
 
 
308
 
        self.assertRaises(errors.NoCommits,
309
 
                          spec_in_history, 'last:', tree.branch)
310
 
 
311
 
    def test_not_a_number(self):
312
 
        try:
313
 
            int('Y')
314
 
        except ValueError, e:
315
 
            pass
316
 
        self.assertInvalid('last:Y', extra='\n' + str(e))
317
 
 
318
 
 
319
 
class TestRevisionSpec_before(TestRevisionSpec):
320
 
 
321
 
    def test_int(self):
322
 
        self.assertInHistoryIs(1, 'r1', 'before:2')
323
 
        self.assertInHistoryIs(1, 'r1', 'before:-1')
324
 
 
325
 
    def test_before_one(self):
326
 
        self.assertInHistoryIs(0, None, 'before:1')
327
 
 
328
 
    def test_before_none(self):
329
 
        self.assertInvalid('before:0',
330
 
                           extra='\ncannot go before the null: revision')
331
 
 
332
 
    def test_revid(self):
333
 
        self.assertInHistoryIs(1, 'r1', 'before:revid:r2')
334
 
 
335
 
    def test_last(self):
336
 
        self.assertInHistoryIs(1, 'r1', 'before:last:1')
337
 
 
338
 
    def test_alt_revid(self):
339
 
        # This will grab the left-most ancestor for alternate histories
340
 
        self.assertInHistoryIs(1, 'r1', 'before:revid:alt_r2')
341
 
 
342
 
    def test_alt_no_parents(self):
343
 
        new_tree = self.make_branch_and_tree('new_tree')
344
 
        new_tree.commit('first', rev_id='new_r1')
345
 
        self.tree.branch.repository.fetch(new_tree.branch.repository,
346
 
                                          revision_id='new_r1')
347
 
        self.assertInHistoryIs(0, None, 'before:revid:new_r1')
348
 
 
349
 
 
350
 
class TestRevisionSpec_tag(TestRevisionSpec):
351
 
    
352
 
    def make_branch_and_tree(self, relpath):
353
 
        # override format as the default one may not support tags
354
 
        control = bzrdir.BzrDir.create(relpath)
355
 
        control.create_repository()
356
 
        branch.BzrBranchExperimental.initialize(control)
357
 
        return control.create_workingtree()
358
 
 
359
 
    def test_from_string_tag(self):
360
 
        spec = RevisionSpec.from_string('tag:bzr-0.14')
361
 
        self.assertIsInstance(spec, RevisionSpec_tag)
362
 
        self.assertEqual(spec.spec, 'bzr-0.14')
363
 
 
364
 
    def test_lookup_tag(self):
365
 
        self.tree.branch.tags.set_tag('bzr-0.14', 'r1')
366
 
        self.assertInHistoryIs(1, 'r1', 'tag:bzr-0.14')
367
 
 
368
 
    def test_failed_lookup(self):
369
 
        # tags that don't exist give a specific message: arguably we should
370
 
        # just give InvalidRevisionSpec but I think this is more helpful
371
 
        self.assertRaises(errors.NoSuchTag,
372
 
            self.get_in_history,
373
 
            'tag:some-random-tag')
374
 
 
375
 
 
376
 
class TestRevisionSpec_date(TestRevisionSpec):
377
 
 
378
 
    def setUp(self):
379
 
        super(TestRevisionSpec, self).setUp()
380
 
 
381
 
        new_tree = self.make_branch_and_tree('new_tree')
382
 
        new_tree.commit('Commit one', rev_id='new_r1',
383
 
                        timestamp=time.time() - 60*60*24)
384
 
        new_tree.commit('Commit two', rev_id='new_r2')
385
 
        new_tree.commit('Commit three', rev_id='new_r3')
386
 
 
387
 
        self.tree = new_tree
388
 
 
389
 
    def test_tomorrow(self):
390
 
        self.assertInvalid('date:tomorrow')
391
 
 
392
 
    def test_today(self):
393
 
        self.assertInHistoryIs(2, 'new_r2', 'date:today')
394
 
        self.assertInHistoryIs(1, 'new_r1', 'before:date:today')
395
 
 
396
 
    def test_yesterday(self):
397
 
        self.assertInHistoryIs(1, 'new_r1', 'date:yesterday')
398
 
 
399
 
    def test_invalid(self):
400
 
        self.assertInvalid('date:foobar', extra='\ninvalid date')
401
 
        # You must have '-' between year/month/day
402
 
        self.assertInvalid('date:20040404', extra='\ninvalid date')
403
 
        # Need 2 digits for each date piece
404
 
        self.assertInvalid('date:2004-4-4', extra='\ninvalid date')
405
 
 
406
 
    def test_day(self):
407
 
        now = datetime.datetime.now()
408
 
        self.assertInHistoryIs(2, 'new_r2',
409
 
            'date:%04d-%02d-%02d' % (now.year, now.month, now.day))
410
 
 
411
 
 
412
 
class TestRevisionSpec_ancestor(TestRevisionSpec):
413
 
    
414
 
    def test_non_exact_branch(self):
415
 
        # It seems better to require an exact path to the branch
416
 
        # Branch.open() rather than using Branch.open_containing()
417
 
        self.assertRaises(errors.NotBranchError,
418
 
                          self.get_in_history, 'ancestor:tree2/a')
419
 
 
420
 
    def test_simple(self):
421
 
        # Common ancestor of trees is 'alt_r2'
422
 
        self.assertInHistoryIs(None, 'alt_r2', 'ancestor:tree2')
423
 
 
424
 
        # Going the other way, we get a valid revno
425
 
        tmp = self.tree
426
 
        self.tree = self.tree2
427
 
        self.tree2 = tmp
428
 
        self.assertInHistoryIs(2, 'alt_r2', 'ancestor:tree')
429
 
 
430
 
    def test_self(self):
431
 
        self.assertInHistoryIs(2, 'r2', 'ancestor:tree')
432
 
 
433
 
    def test_unrelated(self):
434
 
        new_tree = self.make_branch_and_tree('new_tree')
435
 
 
436
 
        new_tree.commit('Commit one', rev_id='new_r1')
437
 
        new_tree.commit('Commit two', rev_id='new_r2')
438
 
        new_tree.commit('Commit three', rev_id='new_r3')
439
 
 
440
 
        # With no common ancestor, we should raise another user error
441
 
        self.assertRaises(errors.NoCommonAncestor,
442
 
                          self.get_in_history, 'ancestor:new_tree')
443
 
 
444
 
    def test_no_commits(self):
445
 
        new_tree = self.make_branch_and_tree('new_tree')
446
 
        self.assertRaises(errors.NoCommits,
447
 
                          spec_in_history, 'ancestor:new_tree',
448
 
                                           self.tree.branch)
449
 
                        
450
 
        self.assertRaises(errors.NoCommits,
451
 
                          spec_in_history, 'ancestor:tree',
452
 
                                           new_tree.branch)
453
 
 
454
 
 
455
 
class TestRevisionSpec_branch(TestRevisionSpec):
456
 
    
457
 
    def test_non_exact_branch(self):
458
 
        # It seems better to require an exact path to the branch
459
 
        # Branch.open() rather than using Branch.open_containing()
460
 
        self.assertRaises(errors.NotBranchError,
461
 
                          self.get_in_history, 'branch:tree2/a')
462
 
 
463
 
    def test_simple(self):
464
 
        self.assertInHistoryIs(None, 'alt_r2', 'branch:tree2')
465
 
 
466
 
    def test_self(self):
467
 
        self.assertInHistoryIs(2, 'r2', 'branch:tree')
468
 
 
469
 
    def test_unrelated(self):
470
 
        new_tree = self.make_branch_and_tree('new_tree')
471
 
 
472
 
        new_tree.commit('Commit one', rev_id='new_r1')
473
 
        new_tree.commit('Commit two', rev_id='new_r2')
474
 
        new_tree.commit('Commit three', rev_id='new_r3')
475
 
 
476
 
        self.assertInHistoryIs(None, 'new_r3', 'branch:new_tree')
477
 
 
478
 
        # XXX: Right now, we use fetch() to make sure the remote revisions
479
 
        # have been pulled into the local branch. We may change that
480
 
        # behavior in the future.
481
 
        self.failUnless(self.tree.branch.repository.has_revision('new_r3'))
482
 
 
483
 
    def test_no_commits(self):
484
 
        new_tree = self.make_branch_and_tree('new_tree')
485
 
        self.assertRaises(errors.NoCommits,
486
 
                          self.get_in_history, 'branch:new_tree')
487
 
 
488
 
 
489
 
class TestRevisionSpec_submit(TestRevisionSpec):
490
 
 
491
 
    def test_submit_branch(self):
492
 
        # Common ancestor of trees is 'alt_r2'
493
 
        self.assertRaises(errors.NoSubmitBranch, self.get_in_history,
494
 
                          'submit:')
495
 
        self.tree.branch.set_parent('../tree2')
496
 
        self.assertInHistoryIs(None, 'alt_r2', 'submit:')
497
 
        self.tree.branch.set_parent('bogus')
498
 
        self.assertRaises(errors.NotBranchError, self.get_in_history,
499
 
            'submit:')
500
 
        # submit branch overrides parent branch
501
 
        self.tree.branch.set_submit_branch('tree2')
502
 
        self.assertInHistoryIs(None, 'alt_r2', 'submit:')
 
18
from bzrlib.selftest import TestCaseInTempDir
 
19
 
 
20
class TestRevisionNamespaces(TestCaseInTempDir):
 
21
    def test_revision_namespaces(self):
 
22
        """Functional tests for hashcache"""
 
23
        from bzrlib.errors import NoSuchRevision
 
24
        from bzrlib.branch import Branch
 
25
 
 
26
        b = Branch('.', init=True)
 
27
 
 
28
        b.commit('Commit one', rev_id='a@r-0-1')
 
29
        b.commit('Commit two', rev_id='a@r-0-2')
 
30
        b.commit('Commit three', rev_id='a@r-0-3')
 
31
 
 
32
        self.assertEquals(b.get_revision_info(None), (0, None))
 
33
        self.assertEquals(b.get_revision_info(1), (1, 'a@r-0-1'))
 
34
        self.assertEquals(b.get_revision_info('revno:1'), (1, 'a@r-0-1'))
 
35
        self.assertEquals(b.get_revision_info('revid:a@r-0-1'), (1, 'a@r-0-1'))
 
36
        self.assertRaises(NoSuchRevision, b.get_revision_info, 'revid:a@r-0-0')
 
37
        self.assertRaises(TypeError, b.get_revision_info, object)
 
38
 
 
39
        self.assertEquals(b.get_revision_info('date:-tomorrow'), (3, 'a@r-0-3'))
 
40
        self.assertEquals(b.get_revision_info('date:+today'), (1, 'a@r-0-1'))
 
41
 
 
42
        self.assertEquals(b.get_revision_info('last:1'), (3, 'a@r-0-3'))
 
43
        self.assertEquals(b.get_revision_info('-1'), (3, 'a@r-0-3'))
 
44
 
 
45
        os.mkdir('newbranch')
 
46
        b2 = Branch('newbranch', init=True)
 
47
        self.assertEquals(b2.lookup_revision('revid:a@r-0-1'), 'a@r-0-1')