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  • Committer: Marius Kruger
  • Date: 2010-07-10 21:28:56 UTC
  • mto: (5384.1.1 integration)
  • mto: This revision was merged to the branch mainline in revision 5385.
  • Revision ID: marius.kruger@enerweb.co.za-20100710212856-uq4ji3go0u5se7hx
* Update documentation
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# Copyright (C) 2006-2010 Canonical Ltd
 
2
#
 
3
# This program is free software; you can redistribute it and/or modify
 
4
# it under the terms of the GNU General Public License as published by
 
5
# the Free Software Foundation; either version 2 of the License, or
 
6
# (at your option) any later version.
 
7
#
 
8
# This program is distributed in the hope that it will be useful,
 
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
11
# GNU General Public License for more details.
 
12
#
 
13
# You should have received a copy of the GNU General Public License
 
14
# along with this program; if not, write to the Free Software
 
15
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
16
 
 
17
import os
 
18
from StringIO import StringIO
 
19
import sys
 
20
import time
 
21
 
 
22
from bzrlib import (
 
23
    bencode,
 
24
    errors,
 
25
    filters,
 
26
    generate_ids,
 
27
    osutils,
 
28
    revision as _mod_revision,
 
29
    rules,
 
30
    tests,
 
31
    urlutils,
 
32
    )
 
33
from bzrlib.bzrdir import BzrDir
 
34
from bzrlib.conflicts import (
 
35
    DeletingParent,
 
36
    DuplicateEntry,
 
37
    DuplicateID,
 
38
    MissingParent,
 
39
    NonDirectoryParent,
 
40
    ParentLoop,
 
41
    UnversionedParent,
 
42
)
 
43
from bzrlib.diff import show_diff_trees
 
44
from bzrlib.errors import (
 
45
    DuplicateKey,
 
46
    ExistingLimbo,
 
47
    ExistingPendingDeletion,
 
48
    ImmortalLimbo,
 
49
    ImmortalPendingDeletion,
 
50
    LockError,
 
51
    MalformedTransform,
 
52
    NoSuchFile,
 
53
    ReusingTransform,
 
54
)
 
55
from bzrlib.osutils import (
 
56
    file_kind,
 
57
    pathjoin,
 
58
)
 
59
from bzrlib.merge import Merge3Merger, Merger
 
60
from bzrlib.tests import (
 
61
    HardlinkFeature,
 
62
    SymlinkFeature,
 
63
    TestCase,
 
64
    TestCaseInTempDir,
 
65
    TestSkipped,
 
66
)
 
67
from bzrlib.transform import (
 
68
    build_tree,
 
69
    create_from_tree,
 
70
    cook_conflicts,
 
71
    _FileMover,
 
72
    FinalPaths,
 
73
    get_backup_name,
 
74
    resolve_conflicts,
 
75
    resolve_checkout,
 
76
    ROOT_PARENT,
 
77
    TransformPreview,
 
78
    TreeTransform,
 
79
)
 
80
 
 
81
 
 
82
class TestTreeTransform(tests.TestCaseWithTransport):
 
83
 
 
84
    def setUp(self):
 
85
        super(TestTreeTransform, self).setUp()
 
86
        self.wt = self.make_branch_and_tree('.', format='dirstate-with-subtree')
 
87
        os.chdir('..')
 
88
 
 
89
    def get_transform(self):
 
90
        transform = TreeTransform(self.wt)
 
91
        self.addCleanup(transform.finalize)
 
92
        return transform, transform.root
 
93
 
 
94
    def test_existing_limbo(self):
 
95
        transform, root = self.get_transform()
 
96
        limbo_name = transform._limbodir
 
97
        deletion_path = transform._deletiondir
 
98
        os.mkdir(pathjoin(limbo_name, 'hehe'))
 
99
        self.assertRaises(ImmortalLimbo, transform.apply)
 
100
        self.assertRaises(LockError, self.wt.unlock)
 
101
        self.assertRaises(ExistingLimbo, self.get_transform)
 
102
        self.assertRaises(LockError, self.wt.unlock)
 
103
        os.rmdir(pathjoin(limbo_name, 'hehe'))
 
104
        os.rmdir(limbo_name)
 
105
        os.rmdir(deletion_path)
 
106
        transform, root = self.get_transform()
 
107
        transform.apply()
 
108
 
 
109
    def test_existing_pending_deletion(self):
 
110
        transform, root = self.get_transform()
 
111
        deletion_path = self._limbodir = urlutils.local_path_from_url(
 
112
            transform._tree._transport.abspath('pending-deletion'))
 
113
        os.mkdir(pathjoin(deletion_path, 'blocking-directory'))
 
114
        self.assertRaises(ImmortalPendingDeletion, transform.apply)
 
115
        self.assertRaises(LockError, self.wt.unlock)
 
116
        self.assertRaises(ExistingPendingDeletion, self.get_transform)
 
117
 
 
118
    def test_build(self):
 
119
        transform, root = self.get_transform()
 
120
        self.wt.lock_tree_write()
 
121
        self.addCleanup(self.wt.unlock)
 
122
        self.assertIs(transform.get_tree_parent(root), ROOT_PARENT)
 
123
        imaginary_id = transform.trans_id_tree_path('imaginary')
 
124
        imaginary_id2 = transform.trans_id_tree_path('imaginary/')
 
125
        self.assertEqual(imaginary_id, imaginary_id2)
 
126
        self.assertEqual(transform.get_tree_parent(imaginary_id), root)
 
127
        self.assertEqual(transform.final_kind(root), 'directory')
 
128
        self.assertEqual(transform.final_file_id(root), self.wt.get_root_id())
 
129
        trans_id = transform.create_path('name', root)
 
130
        self.assertIs(transform.final_file_id(trans_id), None)
 
131
        self.assertRaises(NoSuchFile, transform.final_kind, trans_id)
 
132
        transform.create_file('contents', trans_id)
 
133
        transform.set_executability(True, trans_id)
 
134
        transform.version_file('my_pretties', trans_id)
 
135
        self.assertRaises(DuplicateKey, transform.version_file,
 
136
                          'my_pretties', trans_id)
 
137
        self.assertEqual(transform.final_file_id(trans_id), 'my_pretties')
 
138
        self.assertEqual(transform.final_parent(trans_id), root)
 
139
        self.assertIs(transform.final_parent(root), ROOT_PARENT)
 
140
        self.assertIs(transform.get_tree_parent(root), ROOT_PARENT)
 
141
        oz_id = transform.create_path('oz', root)
 
142
        transform.create_directory(oz_id)
 
143
        transform.version_file('ozzie', oz_id)
 
144
        trans_id2 = transform.create_path('name2', root)
 
145
        transform.create_file('contents', trans_id2)
 
146
        transform.set_executability(False, trans_id2)
 
147
        transform.version_file('my_pretties2', trans_id2)
 
148
        modified_paths = transform.apply().modified_paths
 
149
        self.assertEqual('contents', self.wt.get_file_byname('name').read())
 
150
        self.assertEqual(self.wt.path2id('name'), 'my_pretties')
 
151
        self.assertIs(self.wt.is_executable('my_pretties'), True)
 
152
        self.assertIs(self.wt.is_executable('my_pretties2'), False)
 
153
        self.assertEqual('directory', file_kind(self.wt.abspath('oz')))
 
154
        self.assertEqual(len(modified_paths), 3)
 
155
        tree_mod_paths = [self.wt.id2abspath(f) for f in
 
156
                          ('ozzie', 'my_pretties', 'my_pretties2')]
 
157
        self.assertSubset(tree_mod_paths, modified_paths)
 
158
        # is it safe to finalize repeatedly?
 
159
        transform.finalize()
 
160
        transform.finalize()
 
161
 
 
162
    def test_create_files_same_timestamp(self):
 
163
        transform, root = self.get_transform()
 
164
        self.wt.lock_tree_write()
 
165
        self.addCleanup(self.wt.unlock)
 
166
        # Roll back the clock, so that we know everything is being set to the
 
167
        # exact time
 
168
        transform._creation_mtime = creation_mtime = time.time() - 20.0
 
169
        transform.create_file('content-one',
 
170
                              transform.create_path('one', root))
 
171
        time.sleep(1) # *ugly*
 
172
        transform.create_file('content-two',
 
173
                              transform.create_path('two', root))
 
174
        transform.apply()
 
175
        fo, st1 = self.wt.get_file_with_stat(None, path='one', filtered=False)
 
176
        fo.close()
 
177
        fo, st2 = self.wt.get_file_with_stat(None, path='two', filtered=False)
 
178
        fo.close()
 
179
        # We only guarantee 2s resolution
 
180
        self.assertTrue(abs(creation_mtime - st1.st_mtime) < 2.0,
 
181
            "%s != %s within 2 seconds" % (creation_mtime, st1.st_mtime))
 
182
        # But if we have more than that, all files should get the same result
 
183
        self.assertEqual(st1.st_mtime, st2.st_mtime)
 
184
 
 
185
    def test_change_root_id(self):
 
186
        transform, root = self.get_transform()
 
187
        self.assertNotEqual('new-root-id', self.wt.get_root_id())
 
188
        transform.new_directory('', ROOT_PARENT, 'new-root-id')
 
189
        transform.delete_contents(root)
 
190
        transform.unversion_file(root)
 
191
        transform.fixup_new_roots()
 
192
        transform.apply()
 
193
        self.assertEqual('new-root-id', self.wt.get_root_id())
 
194
 
 
195
    def test_change_root_id_add_files(self):
 
196
        transform, root = self.get_transform()
 
197
        self.assertNotEqual('new-root-id', self.wt.get_root_id())
 
198
        new_trans_id = transform.new_directory('', ROOT_PARENT, 'new-root-id')
 
199
        transform.new_file('file', new_trans_id, ['new-contents\n'],
 
200
                           'new-file-id')
 
201
        transform.delete_contents(root)
 
202
        transform.unversion_file(root)
 
203
        transform.fixup_new_roots()
 
204
        transform.apply()
 
205
        self.assertEqual('new-root-id', self.wt.get_root_id())
 
206
        self.assertEqual('new-file-id', self.wt.path2id('file'))
 
207
        self.assertFileEqual('new-contents\n', self.wt.abspath('file'))
 
208
 
 
209
    def test_add_two_roots(self):
 
210
        transform, root = self.get_transform()
 
211
        new_trans_id = transform.new_directory('', ROOT_PARENT, 'new-root-id')
 
212
        new_trans_id = transform.new_directory('', ROOT_PARENT, 'alt-root-id')
 
213
        self.assertRaises(ValueError, transform.fixup_new_roots)
 
214
 
 
215
    def test_hardlink(self):
 
216
        self.requireFeature(HardlinkFeature)
 
217
        transform, root = self.get_transform()
 
218
        transform.new_file('file1', root, 'contents')
 
219
        transform.apply()
 
220
        target = self.make_branch_and_tree('target')
 
221
        target_transform = TreeTransform(target)
 
222
        trans_id = target_transform.create_path('file1', target_transform.root)
 
223
        target_transform.create_hardlink(self.wt.abspath('file1'), trans_id)
 
224
        target_transform.apply()
 
225
        self.failUnlessExists('target/file1')
 
226
        source_stat = os.stat(self.wt.abspath('file1'))
 
227
        target_stat = os.stat('target/file1')
 
228
        self.assertEqual(source_stat, target_stat)
 
229
 
 
230
    def test_convenience(self):
 
231
        transform, root = self.get_transform()
 
232
        self.wt.lock_tree_write()
 
233
        self.addCleanup(self.wt.unlock)
 
234
        trans_id = transform.new_file('name', root, 'contents',
 
235
                                      'my_pretties', True)
 
236
        oz = transform.new_directory('oz', root, 'oz-id')
 
237
        dorothy = transform.new_directory('dorothy', oz, 'dorothy-id')
 
238
        toto = transform.new_file('toto', dorothy, 'toto-contents',
 
239
                                  'toto-id', False)
 
240
 
 
241
        self.assertEqual(len(transform.find_conflicts()), 0)
 
242
        transform.apply()
 
243
        self.assertRaises(ReusingTransform, transform.find_conflicts)
 
244
        self.assertEqual('contents', file(self.wt.abspath('name')).read())
 
245
        self.assertEqual(self.wt.path2id('name'), 'my_pretties')
 
246
        self.assertIs(self.wt.is_executable('my_pretties'), True)
 
247
        self.assertEqual(self.wt.path2id('oz'), 'oz-id')
 
248
        self.assertEqual(self.wt.path2id('oz/dorothy'), 'dorothy-id')
 
249
        self.assertEqual(self.wt.path2id('oz/dorothy/toto'), 'toto-id')
 
250
 
 
251
        self.assertEqual('toto-contents',
 
252
                         self.wt.get_file_byname('oz/dorothy/toto').read())
 
253
        self.assertIs(self.wt.is_executable('toto-id'), False)
 
254
 
 
255
    def test_tree_reference(self):
 
256
        transform, root = self.get_transform()
 
257
        tree = transform._tree
 
258
        trans_id = transform.new_directory('reference', root, 'subtree-id')
 
259
        transform.set_tree_reference('subtree-revision', trans_id)
 
260
        transform.apply()
 
261
        tree.lock_read()
 
262
        self.addCleanup(tree.unlock)
 
263
        self.assertEqual('subtree-revision',
 
264
                         tree.inventory['subtree-id'].reference_revision)
 
265
 
 
266
    def test_conflicts(self):
 
267
        transform, root = self.get_transform()
 
268
        trans_id = transform.new_file('name', root, 'contents',
 
269
                                      'my_pretties')
 
270
        self.assertEqual(len(transform.find_conflicts()), 0)
 
271
        trans_id2 = transform.new_file('name', root, 'Crontents', 'toto')
 
272
        self.assertEqual(transform.find_conflicts(),
 
273
                         [('duplicate', trans_id, trans_id2, 'name')])
 
274
        self.assertRaises(MalformedTransform, transform.apply)
 
275
        transform.adjust_path('name', trans_id, trans_id2)
 
276
        self.assertEqual(transform.find_conflicts(),
 
277
                         [('non-directory parent', trans_id)])
 
278
        tinman_id = transform.trans_id_tree_path('tinman')
 
279
        transform.adjust_path('name', tinman_id, trans_id2)
 
280
        self.assertEqual(transform.find_conflicts(),
 
281
                         [('unversioned parent', tinman_id),
 
282
                          ('missing parent', tinman_id)])
 
283
        lion_id = transform.create_path('lion', root)
 
284
        self.assertEqual(transform.find_conflicts(),
 
285
                         [('unversioned parent', tinman_id),
 
286
                          ('missing parent', tinman_id)])
 
287
        transform.adjust_path('name', lion_id, trans_id2)
 
288
        self.assertEqual(transform.find_conflicts(),
 
289
                         [('unversioned parent', lion_id),
 
290
                          ('missing parent', lion_id)])
 
291
        transform.version_file("Courage", lion_id)
 
292
        self.assertEqual(transform.find_conflicts(),
 
293
                         [('missing parent', lion_id),
 
294
                          ('versioning no contents', lion_id)])
 
295
        transform.adjust_path('name2', root, trans_id2)
 
296
        self.assertEqual(transform.find_conflicts(),
 
297
                         [('versioning no contents', lion_id)])
 
298
        transform.create_file('Contents, okay?', lion_id)
 
299
        transform.adjust_path('name2', trans_id2, trans_id2)
 
300
        self.assertEqual(transform.find_conflicts(),
 
301
                         [('parent loop', trans_id2),
 
302
                          ('non-directory parent', trans_id2)])
 
303
        transform.adjust_path('name2', root, trans_id2)
 
304
        oz_id = transform.new_directory('oz', root)
 
305
        transform.set_executability(True, oz_id)
 
306
        self.assertEqual(transform.find_conflicts(),
 
307
                         [('unversioned executability', oz_id)])
 
308
        transform.version_file('oz-id', oz_id)
 
309
        self.assertEqual(transform.find_conflicts(),
 
310
                         [('non-file executability', oz_id)])
 
311
        transform.set_executability(None, oz_id)
 
312
        tip_id = transform.new_file('tip', oz_id, 'ozma', 'tip-id')
 
313
        transform.apply()
 
314
        self.assertEqual(self.wt.path2id('name'), 'my_pretties')
 
315
        self.assertEqual('contents', file(self.wt.abspath('name')).read())
 
316
        transform2, root = self.get_transform()
 
317
        oz_id = transform2.trans_id_tree_file_id('oz-id')
 
318
        newtip = transform2.new_file('tip', oz_id, 'other', 'tip-id')
 
319
        result = transform2.find_conflicts()
 
320
        fp = FinalPaths(transform2)
 
321
        self.assert_('oz/tip' in transform2._tree_path_ids)
 
322
        self.assertEqual(fp.get_path(newtip), pathjoin('oz', 'tip'))
 
323
        self.assertEqual(len(result), 2)
 
324
        self.assertEqual((result[0][0], result[0][1]),
 
325
                         ('duplicate', newtip))
 
326
        self.assertEqual((result[1][0], result[1][2]),
 
327
                         ('duplicate id', newtip))
 
328
        transform2.finalize()
 
329
        transform3 = TreeTransform(self.wt)
 
330
        self.addCleanup(transform3.finalize)
 
331
        oz_id = transform3.trans_id_tree_file_id('oz-id')
 
332
        transform3.delete_contents(oz_id)
 
333
        self.assertEqual(transform3.find_conflicts(),
 
334
                         [('missing parent', oz_id)])
 
335
        root_id = transform3.root
 
336
        tip_id = transform3.trans_id_tree_file_id('tip-id')
 
337
        transform3.adjust_path('tip', root_id, tip_id)
 
338
        transform3.apply()
 
339
 
 
340
    def test_conflict_on_case_insensitive(self):
 
341
        tree = self.make_branch_and_tree('tree')
 
342
        # Don't try this at home, kids!
 
343
        # Force the tree to report that it is case sensitive, for conflict
 
344
        # resolution tests
 
345
        tree.case_sensitive = True
 
346
        transform = TreeTransform(tree)
 
347
        self.addCleanup(transform.finalize)
 
348
        transform.new_file('file', transform.root, 'content')
 
349
        transform.new_file('FiLe', transform.root, 'content')
 
350
        result = transform.find_conflicts()
 
351
        self.assertEqual([], result)
 
352
        transform.finalize()
 
353
        # Force the tree to report that it is case insensitive, for conflict
 
354
        # generation tests
 
355
        tree.case_sensitive = False
 
356
        transform = TreeTransform(tree)
 
357
        self.addCleanup(transform.finalize)
 
358
        transform.new_file('file', transform.root, 'content')
 
359
        transform.new_file('FiLe', transform.root, 'content')
 
360
        result = transform.find_conflicts()
 
361
        self.assertEqual([('duplicate', 'new-1', 'new-2', 'file')], result)
 
362
 
 
363
    def test_conflict_on_case_insensitive_existing(self):
 
364
        tree = self.make_branch_and_tree('tree')
 
365
        self.build_tree(['tree/FiLe'])
 
366
        # Don't try this at home, kids!
 
367
        # Force the tree to report that it is case sensitive, for conflict
 
368
        # resolution tests
 
369
        tree.case_sensitive = True
 
370
        transform = TreeTransform(tree)
 
371
        self.addCleanup(transform.finalize)
 
372
        transform.new_file('file', transform.root, 'content')
 
373
        result = transform.find_conflicts()
 
374
        self.assertEqual([], result)
 
375
        transform.finalize()
 
376
        # Force the tree to report that it is case insensitive, for conflict
 
377
        # generation tests
 
378
        tree.case_sensitive = False
 
379
        transform = TreeTransform(tree)
 
380
        self.addCleanup(transform.finalize)
 
381
        transform.new_file('file', transform.root, 'content')
 
382
        result = transform.find_conflicts()
 
383
        self.assertEqual([('duplicate', 'new-1', 'new-2', 'file')], result)
 
384
 
 
385
    def test_resolve_case_insensitive_conflict(self):
 
386
        tree = self.make_branch_and_tree('tree')
 
387
        # Don't try this at home, kids!
 
388
        # Force the tree to report that it is case insensitive, for conflict
 
389
        # resolution tests
 
390
        tree.case_sensitive = False
 
391
        transform = TreeTransform(tree)
 
392
        self.addCleanup(transform.finalize)
 
393
        transform.new_file('file', transform.root, 'content')
 
394
        transform.new_file('FiLe', transform.root, 'content')
 
395
        resolve_conflicts(transform)
 
396
        transform.apply()
 
397
        self.failUnlessExists('tree/file')
 
398
        self.failUnlessExists('tree/FiLe.moved')
 
399
 
 
400
    def test_resolve_checkout_case_conflict(self):
 
401
        tree = self.make_branch_and_tree('tree')
 
402
        # Don't try this at home, kids!
 
403
        # Force the tree to report that it is case insensitive, for conflict
 
404
        # resolution tests
 
405
        tree.case_sensitive = False
 
406
        transform = TreeTransform(tree)
 
407
        self.addCleanup(transform.finalize)
 
408
        transform.new_file('file', transform.root, 'content')
 
409
        transform.new_file('FiLe', transform.root, 'content')
 
410
        resolve_conflicts(transform,
 
411
                          pass_func=lambda t, c: resolve_checkout(t, c, []))
 
412
        transform.apply()
 
413
        self.failUnlessExists('tree/file')
 
414
        self.failUnlessExists('tree/FiLe.moved')
 
415
 
 
416
    def test_apply_case_conflict(self):
 
417
        """Ensure that a transform with case conflicts can always be applied"""
 
418
        tree = self.make_branch_and_tree('tree')
 
419
        transform = TreeTransform(tree)
 
420
        self.addCleanup(transform.finalize)
 
421
        transform.new_file('file', transform.root, 'content')
 
422
        transform.new_file('FiLe', transform.root, 'content')
 
423
        dir = transform.new_directory('dir', transform.root)
 
424
        transform.new_file('dirfile', dir, 'content')
 
425
        transform.new_file('dirFiLe', dir, 'content')
 
426
        resolve_conflicts(transform)
 
427
        transform.apply()
 
428
        self.failUnlessExists('tree/file')
 
429
        if not os.path.exists('tree/FiLe.moved'):
 
430
            self.failUnlessExists('tree/FiLe')
 
431
        self.failUnlessExists('tree/dir/dirfile')
 
432
        if not os.path.exists('tree/dir/dirFiLe.moved'):
 
433
            self.failUnlessExists('tree/dir/dirFiLe')
 
434
 
 
435
    def test_case_insensitive_limbo(self):
 
436
        tree = self.make_branch_and_tree('tree')
 
437
        # Don't try this at home, kids!
 
438
        # Force the tree to report that it is case insensitive
 
439
        tree.case_sensitive = False
 
440
        transform = TreeTransform(tree)
 
441
        self.addCleanup(transform.finalize)
 
442
        dir = transform.new_directory('dir', transform.root)
 
443
        first = transform.new_file('file', dir, 'content')
 
444
        second = transform.new_file('FiLe', dir, 'content')
 
445
        self.assertContainsRe(transform._limbo_name(first), 'new-1/file')
 
446
        self.assertNotContainsRe(transform._limbo_name(second), 'new-1/FiLe')
 
447
 
 
448
    def test_adjust_path_updates_child_limbo_names(self):
 
449
        tree = self.make_branch_and_tree('tree')
 
450
        transform = TreeTransform(tree)
 
451
        self.addCleanup(transform.finalize)
 
452
        foo_id = transform.new_directory('foo', transform.root)
 
453
        bar_id = transform.new_directory('bar', foo_id)
 
454
        baz_id = transform.new_directory('baz', bar_id)
 
455
        qux_id = transform.new_directory('qux', baz_id)
 
456
        transform.adjust_path('quxx', foo_id, bar_id)
 
457
        self.assertStartsWith(transform._limbo_name(qux_id),
 
458
                              transform._limbo_name(bar_id))
 
459
 
 
460
    def test_add_del(self):
 
461
        start, root = self.get_transform()
 
462
        start.new_directory('a', root, 'a')
 
463
        start.apply()
 
464
        transform, root = self.get_transform()
 
465
        transform.delete_versioned(transform.trans_id_tree_file_id('a'))
 
466
        transform.new_directory('a', root, 'a')
 
467
        transform.apply()
 
468
 
 
469
    def test_unversioning(self):
 
470
        create_tree, root = self.get_transform()
 
471
        parent_id = create_tree.new_directory('parent', root, 'parent-id')
 
472
        create_tree.new_file('child', parent_id, 'child', 'child-id')
 
473
        create_tree.apply()
 
474
        unversion = TreeTransform(self.wt)
 
475
        self.addCleanup(unversion.finalize)
 
476
        parent = unversion.trans_id_tree_path('parent')
 
477
        unversion.unversion_file(parent)
 
478
        self.assertEqual(unversion.find_conflicts(),
 
479
                         [('unversioned parent', parent_id)])
 
480
        file_id = unversion.trans_id_tree_file_id('child-id')
 
481
        unversion.unversion_file(file_id)
 
482
        unversion.apply()
 
483
 
 
484
    def test_name_invariants(self):
 
485
        create_tree, root = self.get_transform()
 
486
        # prepare tree
 
487
        root = create_tree.root
 
488
        create_tree.new_file('name1', root, 'hello1', 'name1')
 
489
        create_tree.new_file('name2', root, 'hello2', 'name2')
 
490
        ddir = create_tree.new_directory('dying_directory', root, 'ddir')
 
491
        create_tree.new_file('dying_file', ddir, 'goodbye1', 'dfile')
 
492
        create_tree.new_file('moving_file', ddir, 'later1', 'mfile')
 
493
        create_tree.new_file('moving_file2', root, 'later2', 'mfile2')
 
494
        create_tree.apply()
 
495
 
 
496
        mangle_tree,root = self.get_transform()
 
497
        root = mangle_tree.root
 
498
        #swap names
 
499
        name1 = mangle_tree.trans_id_tree_file_id('name1')
 
500
        name2 = mangle_tree.trans_id_tree_file_id('name2')
 
501
        mangle_tree.adjust_path('name2', root, name1)
 
502
        mangle_tree.adjust_path('name1', root, name2)
 
503
 
 
504
        #tests for deleting parent directories
 
505
        ddir = mangle_tree.trans_id_tree_file_id('ddir')
 
506
        mangle_tree.delete_contents(ddir)
 
507
        dfile = mangle_tree.trans_id_tree_file_id('dfile')
 
508
        mangle_tree.delete_versioned(dfile)
 
509
        mangle_tree.unversion_file(dfile)
 
510
        mfile = mangle_tree.trans_id_tree_file_id('mfile')
 
511
        mangle_tree.adjust_path('mfile', root, mfile)
 
512
 
 
513
        #tests for adding parent directories
 
514
        newdir = mangle_tree.new_directory('new_directory', root, 'newdir')
 
515
        mfile2 = mangle_tree.trans_id_tree_file_id('mfile2')
 
516
        mangle_tree.adjust_path('mfile2', newdir, mfile2)
 
517
        mangle_tree.new_file('newfile', newdir, 'hello3', 'dfile')
 
518
        self.assertEqual(mangle_tree.final_file_id(mfile2), 'mfile2')
 
519
        self.assertEqual(mangle_tree.final_parent(mfile2), newdir)
 
520
        self.assertEqual(mangle_tree.final_file_id(mfile2), 'mfile2')
 
521
        mangle_tree.apply()
 
522
        self.assertEqual(file(self.wt.abspath('name1')).read(), 'hello2')
 
523
        self.assertEqual(file(self.wt.abspath('name2')).read(), 'hello1')
 
524
        mfile2_path = self.wt.abspath(pathjoin('new_directory','mfile2'))
 
525
        self.assertEqual(mangle_tree.final_parent(mfile2), newdir)
 
526
        self.assertEqual(file(mfile2_path).read(), 'later2')
 
527
        self.assertEqual(self.wt.id2path('mfile2'), 'new_directory/mfile2')
 
528
        self.assertEqual(self.wt.path2id('new_directory/mfile2'), 'mfile2')
 
529
        newfile_path = self.wt.abspath(pathjoin('new_directory','newfile'))
 
530
        self.assertEqual(file(newfile_path).read(), 'hello3')
 
531
        self.assertEqual(self.wt.path2id('dying_directory'), 'ddir')
 
532
        self.assertIs(self.wt.path2id('dying_directory/dying_file'), None)
 
533
        mfile2_path = self.wt.abspath(pathjoin('new_directory','mfile2'))
 
534
 
 
535
    def test_both_rename(self):
 
536
        create_tree,root = self.get_transform()
 
537
        newdir = create_tree.new_directory('selftest', root, 'selftest-id')
 
538
        create_tree.new_file('blackbox.py', newdir, 'hello1', 'blackbox-id')
 
539
        create_tree.apply()
 
540
        mangle_tree,root = self.get_transform()
 
541
        selftest = mangle_tree.trans_id_tree_file_id('selftest-id')
 
542
        blackbox = mangle_tree.trans_id_tree_file_id('blackbox-id')
 
543
        mangle_tree.adjust_path('test', root, selftest)
 
544
        mangle_tree.adjust_path('test_too_much', root, selftest)
 
545
        mangle_tree.set_executability(True, blackbox)
 
546
        mangle_tree.apply()
 
547
 
 
548
    def test_both_rename2(self):
 
549
        create_tree,root = self.get_transform()
 
550
        bzrlib = create_tree.new_directory('bzrlib', root, 'bzrlib-id')
 
551
        tests = create_tree.new_directory('tests', bzrlib, 'tests-id')
 
552
        blackbox = create_tree.new_directory('blackbox', tests, 'blackbox-id')
 
553
        create_tree.new_file('test_too_much.py', blackbox, 'hello1',
 
554
                             'test_too_much-id')
 
555
        create_tree.apply()
 
556
        mangle_tree,root = self.get_transform()
 
557
        bzrlib = mangle_tree.trans_id_tree_file_id('bzrlib-id')
 
558
        tests = mangle_tree.trans_id_tree_file_id('tests-id')
 
559
        test_too_much = mangle_tree.trans_id_tree_file_id('test_too_much-id')
 
560
        mangle_tree.adjust_path('selftest', bzrlib, tests)
 
561
        mangle_tree.adjust_path('blackbox.py', tests, test_too_much)
 
562
        mangle_tree.set_executability(True, test_too_much)
 
563
        mangle_tree.apply()
 
564
 
 
565
    def test_both_rename3(self):
 
566
        create_tree,root = self.get_transform()
 
567
        tests = create_tree.new_directory('tests', root, 'tests-id')
 
568
        create_tree.new_file('test_too_much.py', tests, 'hello1',
 
569
                             'test_too_much-id')
 
570
        create_tree.apply()
 
571
        mangle_tree,root = self.get_transform()
 
572
        tests = mangle_tree.trans_id_tree_file_id('tests-id')
 
573
        test_too_much = mangle_tree.trans_id_tree_file_id('test_too_much-id')
 
574
        mangle_tree.adjust_path('selftest', root, tests)
 
575
        mangle_tree.adjust_path('blackbox.py', tests, test_too_much)
 
576
        mangle_tree.set_executability(True, test_too_much)
 
577
        mangle_tree.apply()
 
578
 
 
579
    def test_move_dangling_ie(self):
 
580
        create_tree, root = self.get_transform()
 
581
        # prepare tree
 
582
        root = create_tree.root
 
583
        create_tree.new_file('name1', root, 'hello1', 'name1')
 
584
        create_tree.apply()
 
585
        delete_contents, root = self.get_transform()
 
586
        file = delete_contents.trans_id_tree_file_id('name1')
 
587
        delete_contents.delete_contents(file)
 
588
        delete_contents.apply()
 
589
        move_id, root = self.get_transform()
 
590
        name1 = move_id.trans_id_tree_file_id('name1')
 
591
        newdir = move_id.new_directory('dir', root, 'newdir')
 
592
        move_id.adjust_path('name2', newdir, name1)
 
593
        move_id.apply()
 
594
 
 
595
    def test_replace_dangling_ie(self):
 
596
        create_tree, root = self.get_transform()
 
597
        # prepare tree
 
598
        root = create_tree.root
 
599
        create_tree.new_file('name1', root, 'hello1', 'name1')
 
600
        create_tree.apply()
 
601
        delete_contents = TreeTransform(self.wt)
 
602
        self.addCleanup(delete_contents.finalize)
 
603
        file = delete_contents.trans_id_tree_file_id('name1')
 
604
        delete_contents.delete_contents(file)
 
605
        delete_contents.apply()
 
606
        delete_contents.finalize()
 
607
        replace = TreeTransform(self.wt)
 
608
        self.addCleanup(replace.finalize)
 
609
        name2 = replace.new_file('name2', root, 'hello2', 'name1')
 
610
        conflicts = replace.find_conflicts()
 
611
        name1 = replace.trans_id_tree_file_id('name1')
 
612
        self.assertEqual(conflicts, [('duplicate id', name1, name2)])
 
613
        resolve_conflicts(replace)
 
614
        replace.apply()
 
615
 
 
616
    def _test_symlinks(self, link_name1,link_target1,
 
617
                       link_name2, link_target2):
 
618
 
 
619
        def ozpath(p): return 'oz/' + p
 
620
 
 
621
        self.requireFeature(SymlinkFeature)
 
622
        transform, root = self.get_transform()
 
623
        oz_id = transform.new_directory('oz', root, 'oz-id')
 
624
        wizard = transform.new_symlink(link_name1, oz_id, link_target1,
 
625
                                       'wizard-id')
 
626
        wiz_id = transform.create_path(link_name2, oz_id)
 
627
        transform.create_symlink(link_target2, wiz_id)
 
628
        transform.version_file('wiz-id2', wiz_id)
 
629
        transform.set_executability(True, wiz_id)
 
630
        self.assertEqual(transform.find_conflicts(),
 
631
                         [('non-file executability', wiz_id)])
 
632
        transform.set_executability(None, wiz_id)
 
633
        transform.apply()
 
634
        self.assertEqual(self.wt.path2id(ozpath(link_name1)), 'wizard-id')
 
635
        self.assertEqual('symlink',
 
636
                         file_kind(self.wt.abspath(ozpath(link_name1))))
 
637
        self.assertEqual(link_target2,
 
638
                         osutils.readlink(self.wt.abspath(ozpath(link_name2))))
 
639
        self.assertEqual(link_target1,
 
640
                         osutils.readlink(self.wt.abspath(ozpath(link_name1))))
 
641
 
 
642
    def test_symlinks(self):
 
643
        self._test_symlinks('wizard', 'wizard-target',
 
644
                            'wizard2', 'behind_curtain')
 
645
 
 
646
    def test_symlinks_unicode(self):
 
647
        self.requireFeature(tests.UnicodeFilenameFeature)
 
648
        self._test_symlinks(u'\N{Euro Sign}wizard',
 
649
                            u'wizard-targ\N{Euro Sign}t',
 
650
                            u'\N{Euro Sign}wizard2',
 
651
                            u'b\N{Euro Sign}hind_curtain')
 
652
 
 
653
    def test_unable_create_symlink(self):
 
654
        def tt_helper():
 
655
            wt = self.make_branch_and_tree('.')
 
656
            tt = TreeTransform(wt)  # TreeTransform obtains write lock
 
657
            try:
 
658
                tt.new_symlink('foo', tt.root, 'bar')
 
659
                tt.apply()
 
660
            finally:
 
661
                wt.unlock()
 
662
        os_symlink = getattr(os, 'symlink', None)
 
663
        os.symlink = None
 
664
        try:
 
665
            err = self.assertRaises(errors.UnableCreateSymlink, tt_helper)
 
666
            self.assertEquals(
 
667
                "Unable to create symlink 'foo' on this platform",
 
668
                str(err))
 
669
        finally:
 
670
            if os_symlink:
 
671
                os.symlink = os_symlink
 
672
 
 
673
    def get_conflicted(self):
 
674
        create,root = self.get_transform()
 
675
        create.new_file('dorothy', root, 'dorothy', 'dorothy-id')
 
676
        oz = create.new_directory('oz', root, 'oz-id')
 
677
        create.new_directory('emeraldcity', oz, 'emerald-id')
 
678
        create.apply()
 
679
        conflicts,root = self.get_transform()
 
680
        # set up duplicate entry, duplicate id
 
681
        new_dorothy = conflicts.new_file('dorothy', root, 'dorothy',
 
682
                                         'dorothy-id')
 
683
        old_dorothy = conflicts.trans_id_tree_file_id('dorothy-id')
 
684
        oz = conflicts.trans_id_tree_file_id('oz-id')
 
685
        # set up DeletedParent parent conflict
 
686
        conflicts.delete_versioned(oz)
 
687
        emerald = conflicts.trans_id_tree_file_id('emerald-id')
 
688
        # set up MissingParent conflict
 
689
        munchkincity = conflicts.trans_id_file_id('munchkincity-id')
 
690
        conflicts.adjust_path('munchkincity', root, munchkincity)
 
691
        conflicts.new_directory('auntem', munchkincity, 'auntem-id')
 
692
        # set up parent loop
 
693
        conflicts.adjust_path('emeraldcity', emerald, emerald)
 
694
        return conflicts, emerald, oz, old_dorothy, new_dorothy
 
695
 
 
696
    def test_conflict_resolution(self):
 
697
        conflicts, emerald, oz, old_dorothy, new_dorothy =\
 
698
            self.get_conflicted()
 
699
        resolve_conflicts(conflicts)
 
700
        self.assertEqual(conflicts.final_name(old_dorothy), 'dorothy.moved')
 
701
        self.assertIs(conflicts.final_file_id(old_dorothy), None)
 
702
        self.assertEqual(conflicts.final_name(new_dorothy), 'dorothy')
 
703
        self.assertEqual(conflicts.final_file_id(new_dorothy), 'dorothy-id')
 
704
        self.assertEqual(conflicts.final_parent(emerald), oz)
 
705
        conflicts.apply()
 
706
 
 
707
    def test_cook_conflicts(self):
 
708
        tt, emerald, oz, old_dorothy, new_dorothy = self.get_conflicted()
 
709
        raw_conflicts = resolve_conflicts(tt)
 
710
        cooked_conflicts = cook_conflicts(raw_conflicts, tt)
 
711
        duplicate = DuplicateEntry('Moved existing file to', 'dorothy.moved',
 
712
                                   'dorothy', None, 'dorothy-id')
 
713
        self.assertEqual(cooked_conflicts[0], duplicate)
 
714
        duplicate_id = DuplicateID('Unversioned existing file',
 
715
                                   'dorothy.moved', 'dorothy', None,
 
716
                                   'dorothy-id')
 
717
        self.assertEqual(cooked_conflicts[1], duplicate_id)
 
718
        missing_parent = MissingParent('Created directory', 'munchkincity',
 
719
                                       'munchkincity-id')
 
720
        deleted_parent = DeletingParent('Not deleting', 'oz', 'oz-id')
 
721
        self.assertEqual(cooked_conflicts[2], missing_parent)
 
722
        unversioned_parent = UnversionedParent('Versioned directory',
 
723
                                               'munchkincity',
 
724
                                               'munchkincity-id')
 
725
        unversioned_parent2 = UnversionedParent('Versioned directory', 'oz',
 
726
                                               'oz-id')
 
727
        self.assertEqual(cooked_conflicts[3], unversioned_parent)
 
728
        parent_loop = ParentLoop('Cancelled move', 'oz/emeraldcity',
 
729
                                 'oz/emeraldcity', 'emerald-id', 'emerald-id')
 
730
        self.assertEqual(cooked_conflicts[4], deleted_parent)
 
731
        self.assertEqual(cooked_conflicts[5], unversioned_parent2)
 
732
        self.assertEqual(cooked_conflicts[6], parent_loop)
 
733
        self.assertEqual(len(cooked_conflicts), 7)
 
734
        tt.finalize()
 
735
 
 
736
    def test_string_conflicts(self):
 
737
        tt, emerald, oz, old_dorothy, new_dorothy = self.get_conflicted()
 
738
        raw_conflicts = resolve_conflicts(tt)
 
739
        cooked_conflicts = cook_conflicts(raw_conflicts, tt)
 
740
        tt.finalize()
 
741
        conflicts_s = [str(c) for c in cooked_conflicts]
 
742
        self.assertEqual(len(cooked_conflicts), len(conflicts_s))
 
743
        self.assertEqual(conflicts_s[0], 'Conflict adding file dorothy.  '
 
744
                                         'Moved existing file to '
 
745
                                         'dorothy.moved.')
 
746
        self.assertEqual(conflicts_s[1], 'Conflict adding id to dorothy.  '
 
747
                                         'Unversioned existing file '
 
748
                                         'dorothy.moved.')
 
749
        self.assertEqual(conflicts_s[2], 'Conflict adding files to'
 
750
                                         ' munchkincity.  Created directory.')
 
751
        self.assertEqual(conflicts_s[3], 'Conflict because munchkincity is not'
 
752
                                         ' versioned, but has versioned'
 
753
                                         ' children.  Versioned directory.')
 
754
        self.assertEqualDiff(conflicts_s[4], "Conflict: can't delete oz because it"
 
755
                                         " is not empty.  Not deleting.")
 
756
        self.assertEqual(conflicts_s[5], 'Conflict because oz is not'
 
757
                                         ' versioned, but has versioned'
 
758
                                         ' children.  Versioned directory.')
 
759
        self.assertEqual(conflicts_s[6], 'Conflict moving oz/emeraldcity into'
 
760
                                         ' oz/emeraldcity. Cancelled move.')
 
761
 
 
762
    def prepare_wrong_parent_kind(self):
 
763
        tt, root = self.get_transform()
 
764
        tt.new_file('parent', root, 'contents', 'parent-id')
 
765
        tt.apply()
 
766
        tt, root = self.get_transform()
 
767
        parent_id = tt.trans_id_file_id('parent-id')
 
768
        tt.new_file('child,', parent_id, 'contents2', 'file-id')
 
769
        return tt
 
770
 
 
771
    def test_find_conflicts_wrong_parent_kind(self):
 
772
        tt = self.prepare_wrong_parent_kind()
 
773
        tt.find_conflicts()
 
774
 
 
775
    def test_resolve_conflicts_wrong_existing_parent_kind(self):
 
776
        tt = self.prepare_wrong_parent_kind()
 
777
        raw_conflicts = resolve_conflicts(tt)
 
778
        self.assertEqual(set([('non-directory parent', 'Created directory',
 
779
                         'new-3')]), raw_conflicts)
 
780
        cooked_conflicts = cook_conflicts(raw_conflicts, tt)
 
781
        self.assertEqual([NonDirectoryParent('Created directory', 'parent.new',
 
782
        'parent-id')], cooked_conflicts)
 
783
        tt.apply()
 
784
        self.assertEqual(None, self.wt.path2id('parent'))
 
785
        self.assertEqual('parent-id', self.wt.path2id('parent.new'))
 
786
 
 
787
    def test_resolve_conflicts_wrong_new_parent_kind(self):
 
788
        tt, root = self.get_transform()
 
789
        parent_id = tt.new_directory('parent', root, 'parent-id')
 
790
        tt.new_file('child,', parent_id, 'contents2', 'file-id')
 
791
        tt.apply()
 
792
        tt, root = self.get_transform()
 
793
        parent_id = tt.trans_id_file_id('parent-id')
 
794
        tt.delete_contents(parent_id)
 
795
        tt.create_file('contents', parent_id)
 
796
        raw_conflicts = resolve_conflicts(tt)
 
797
        self.assertEqual(set([('non-directory parent', 'Created directory',
 
798
                         'new-3')]), raw_conflicts)
 
799
        tt.apply()
 
800
        self.assertEqual(None, self.wt.path2id('parent'))
 
801
        self.assertEqual('parent-id', self.wt.path2id('parent.new'))
 
802
 
 
803
    def test_resolve_conflicts_wrong_parent_kind_unversioned(self):
 
804
        tt, root = self.get_transform()
 
805
        parent_id = tt.new_directory('parent', root)
 
806
        tt.new_file('child,', parent_id, 'contents2')
 
807
        tt.apply()
 
808
        tt, root = self.get_transform()
 
809
        parent_id = tt.trans_id_tree_path('parent')
 
810
        tt.delete_contents(parent_id)
 
811
        tt.create_file('contents', parent_id)
 
812
        resolve_conflicts(tt)
 
813
        tt.apply()
 
814
        self.assertIs(None, self.wt.path2id('parent'))
 
815
        self.assertIs(None, self.wt.path2id('parent.new'))
 
816
 
 
817
    def test_moving_versioned_directories(self):
 
818
        create, root = self.get_transform()
 
819
        kansas = create.new_directory('kansas', root, 'kansas-id')
 
820
        create.new_directory('house', kansas, 'house-id')
 
821
        create.new_directory('oz', root, 'oz-id')
 
822
        create.apply()
 
823
        cyclone, root = self.get_transform()
 
824
        oz = cyclone.trans_id_tree_file_id('oz-id')
 
825
        house = cyclone.trans_id_tree_file_id('house-id')
 
826
        cyclone.adjust_path('house', oz, house)
 
827
        cyclone.apply()
 
828
 
 
829
    def test_moving_root(self):
 
830
        create, root = self.get_transform()
 
831
        fun = create.new_directory('fun', root, 'fun-id')
 
832
        create.new_directory('sun', root, 'sun-id')
 
833
        create.new_directory('moon', root, 'moon')
 
834
        create.apply()
 
835
        transform, root = self.get_transform()
 
836
        transform.adjust_root_path('oldroot', fun)
 
837
        new_root = transform.trans_id_tree_path('')
 
838
        transform.version_file('new-root', new_root)
 
839
        transform.apply()
 
840
 
 
841
    def test_renames(self):
 
842
        create, root = self.get_transform()
 
843
        old = create.new_directory('old-parent', root, 'old-id')
 
844
        intermediate = create.new_directory('intermediate', old, 'im-id')
 
845
        myfile = create.new_file('myfile', intermediate, 'myfile-text',
 
846
                                 'myfile-id')
 
847
        create.apply()
 
848
        rename, root = self.get_transform()
 
849
        old = rename.trans_id_file_id('old-id')
 
850
        rename.adjust_path('new', root, old)
 
851
        myfile = rename.trans_id_file_id('myfile-id')
 
852
        rename.set_executability(True, myfile)
 
853
        rename.apply()
 
854
 
 
855
    def test_rename_fails(self):
 
856
        # see https://bugs.launchpad.net/bzr/+bug/491763
 
857
        create, root_id = self.get_transform()
 
858
        first_dir = create.new_directory('first-dir', root_id, 'first-id')
 
859
        myfile = create.new_file('myfile', root_id, 'myfile-text',
 
860
                                 'myfile-id')
 
861
        create.apply()
 
862
        # make the file and directory readonly in the hope this will prevent
 
863
        # renames
 
864
        osutils.make_readonly(self.wt.abspath('first-dir'))
 
865
        osutils.make_readonly(self.wt.abspath('myfile'))
 
866
        # now transform to rename
 
867
        rename_transform, root_id = self.get_transform()
 
868
        file_trans_id = rename_transform.trans_id_file_id('myfile-id')
 
869
        dir_id = rename_transform.trans_id_file_id('first-id')
 
870
        rename_transform.adjust_path('newname', dir_id, file_trans_id)
 
871
        e = self.assertRaises(errors.TransformRenameFailed,
 
872
            rename_transform.apply)
 
873
        # Looks like: 
 
874
        # "Failed to rename .../work/.bzr/checkout/limbo/new-1
 
875
        # to .../first-dir/newname: [Errno 13] Permission denied"
 
876
        # so the first filename is not visible in it; we expect a strerror but
 
877
        # it may vary per OS and language so it's not checked here
 
878
        self.assertContainsRe(str(e),
 
879
            "Failed to rename .*first-dir.newname:")
 
880
 
 
881
    def test_set_executability_order(self):
 
882
        """Ensure that executability behaves the same, no matter what order.
 
883
 
 
884
        - create file and set executability simultaneously
 
885
        - create file and set executability afterward
 
886
        - unsetting the executability of a file whose executability has not been
 
887
        declared should throw an exception (this may happen when a
 
888
        merge attempts to create a file with a duplicate ID)
 
889
        """
 
890
        transform, root = self.get_transform()
 
891
        wt = transform._tree
 
892
        wt.lock_read()
 
893
        self.addCleanup(wt.unlock)
 
894
        transform.new_file('set_on_creation', root, 'Set on creation', 'soc',
 
895
                           True)
 
896
        sac = transform.new_file('set_after_creation', root,
 
897
                                 'Set after creation', 'sac')
 
898
        transform.set_executability(True, sac)
 
899
        uws = transform.new_file('unset_without_set', root, 'Unset badly',
 
900
                                 'uws')
 
901
        self.assertRaises(KeyError, transform.set_executability, None, uws)
 
902
        transform.apply()
 
903
        self.assertTrue(wt.is_executable('soc'))
 
904
        self.assertTrue(wt.is_executable('sac'))
 
905
 
 
906
    def test_preserve_mode(self):
 
907
        """File mode is preserved when replacing content"""
 
908
        if sys.platform == 'win32':
 
909
            raise TestSkipped('chmod has no effect on win32')
 
910
        transform, root = self.get_transform()
 
911
        transform.new_file('file1', root, 'contents', 'file1-id', True)
 
912
        transform.apply()
 
913
        self.wt.lock_write()
 
914
        self.addCleanup(self.wt.unlock)
 
915
        self.assertTrue(self.wt.is_executable('file1-id'))
 
916
        transform, root = self.get_transform()
 
917
        file1_id = transform.trans_id_tree_file_id('file1-id')
 
918
        transform.delete_contents(file1_id)
 
919
        transform.create_file('contents2', file1_id)
 
920
        transform.apply()
 
921
        self.assertTrue(self.wt.is_executable('file1-id'))
 
922
 
 
923
    def test__set_mode_stats_correctly(self):
 
924
        """_set_mode stats to determine file mode."""
 
925
        if sys.platform == 'win32':
 
926
            raise TestSkipped('chmod has no effect on win32')
 
927
 
 
928
        stat_paths = []
 
929
        real_stat = os.stat
 
930
        def instrumented_stat(path):
 
931
            stat_paths.append(path)
 
932
            return real_stat(path)
 
933
 
 
934
        transform, root = self.get_transform()
 
935
 
 
936
        bar1_id = transform.new_file('bar', root, 'bar contents 1\n',
 
937
                                     file_id='bar-id-1', executable=False)
 
938
        transform.apply()
 
939
 
 
940
        transform, root = self.get_transform()
 
941
        bar1_id = transform.trans_id_tree_path('bar')
 
942
        bar2_id = transform.trans_id_tree_path('bar2')
 
943
        try:
 
944
            os.stat = instrumented_stat
 
945
            transform.create_file('bar2 contents\n', bar2_id, mode_id=bar1_id)
 
946
        finally:
 
947
            os.stat = real_stat
 
948
            transform.finalize()
 
949
 
 
950
        bar1_abspath = self.wt.abspath('bar')
 
951
        self.assertEqual([bar1_abspath], stat_paths)
 
952
 
 
953
    def test_iter_changes(self):
 
954
        self.wt.set_root_id('eert_toor')
 
955
        transform, root = self.get_transform()
 
956
        transform.new_file('old', root, 'blah', 'id-1', True)
 
957
        transform.apply()
 
958
        transform, root = self.get_transform()
 
959
        try:
 
960
            self.assertEqual([], list(transform.iter_changes()))
 
961
            old = transform.trans_id_tree_file_id('id-1')
 
962
            transform.unversion_file(old)
 
963
            self.assertEqual([('id-1', ('old', None), False, (True, False),
 
964
                ('eert_toor', 'eert_toor'), ('old', 'old'), ('file', 'file'),
 
965
                (True, True))], list(transform.iter_changes()))
 
966
            transform.new_directory('new', root, 'id-1')
 
967
            self.assertEqual([('id-1', ('old', 'new'), True, (True, True),
 
968
                ('eert_toor', 'eert_toor'), ('old', 'new'),
 
969
                ('file', 'directory'),
 
970
                (True, False))], list(transform.iter_changes()))
 
971
        finally:
 
972
            transform.finalize()
 
973
 
 
974
    def test_iter_changes_new(self):
 
975
        self.wt.set_root_id('eert_toor')
 
976
        transform, root = self.get_transform()
 
977
        transform.new_file('old', root, 'blah')
 
978
        transform.apply()
 
979
        transform, root = self.get_transform()
 
980
        try:
 
981
            old = transform.trans_id_tree_path('old')
 
982
            transform.version_file('id-1', old)
 
983
            self.assertEqual([('id-1', (None, 'old'), False, (False, True),
 
984
                ('eert_toor', 'eert_toor'), ('old', 'old'), ('file', 'file'),
 
985
                (False, False))], list(transform.iter_changes()))
 
986
        finally:
 
987
            transform.finalize()
 
988
 
 
989
    def test_iter_changes_modifications(self):
 
990
        self.wt.set_root_id('eert_toor')
 
991
        transform, root = self.get_transform()
 
992
        transform.new_file('old', root, 'blah', 'id-1')
 
993
        transform.new_file('new', root, 'blah')
 
994
        transform.new_directory('subdir', root, 'subdir-id')
 
995
        transform.apply()
 
996
        transform, root = self.get_transform()
 
997
        try:
 
998
            old = transform.trans_id_tree_path('old')
 
999
            subdir = transform.trans_id_tree_file_id('subdir-id')
 
1000
            new = transform.trans_id_tree_path('new')
 
1001
            self.assertEqual([], list(transform.iter_changes()))
 
1002
 
 
1003
            #content deletion
 
1004
            transform.delete_contents(old)
 
1005
            self.assertEqual([('id-1', ('old', 'old'), True, (True, True),
 
1006
                ('eert_toor', 'eert_toor'), ('old', 'old'), ('file', None),
 
1007
                (False, False))], list(transform.iter_changes()))
 
1008
 
 
1009
            #content change
 
1010
            transform.create_file('blah', old)
 
1011
            self.assertEqual([('id-1', ('old', 'old'), True, (True, True),
 
1012
                ('eert_toor', 'eert_toor'), ('old', 'old'), ('file', 'file'),
 
1013
                (False, False))], list(transform.iter_changes()))
 
1014
            transform.cancel_deletion(old)
 
1015
            self.assertEqual([('id-1', ('old', 'old'), True, (True, True),
 
1016
                ('eert_toor', 'eert_toor'), ('old', 'old'), ('file', 'file'),
 
1017
                (False, False))], list(transform.iter_changes()))
 
1018
            transform.cancel_creation(old)
 
1019
 
 
1020
            # move file_id to a different file
 
1021
            self.assertEqual([], list(transform.iter_changes()))
 
1022
            transform.unversion_file(old)
 
1023
            transform.version_file('id-1', new)
 
1024
            transform.adjust_path('old', root, new)
 
1025
            self.assertEqual([('id-1', ('old', 'old'), True, (True, True),
 
1026
                ('eert_toor', 'eert_toor'), ('old', 'old'), ('file', 'file'),
 
1027
                (False, False))], list(transform.iter_changes()))
 
1028
            transform.cancel_versioning(new)
 
1029
            transform._removed_id = set()
 
1030
 
 
1031
            #execute bit
 
1032
            self.assertEqual([], list(transform.iter_changes()))
 
1033
            transform.set_executability(True, old)
 
1034
            self.assertEqual([('id-1', ('old', 'old'), False, (True, True),
 
1035
                ('eert_toor', 'eert_toor'), ('old', 'old'), ('file', 'file'),
 
1036
                (False, True))], list(transform.iter_changes()))
 
1037
            transform.set_executability(None, old)
 
1038
 
 
1039
            # filename
 
1040
            self.assertEqual([], list(transform.iter_changes()))
 
1041
            transform.adjust_path('new', root, old)
 
1042
            transform._new_parent = {}
 
1043
            self.assertEqual([('id-1', ('old', 'new'), False, (True, True),
 
1044
                ('eert_toor', 'eert_toor'), ('old', 'new'), ('file', 'file'),
 
1045
                (False, False))], list(transform.iter_changes()))
 
1046
            transform._new_name = {}
 
1047
 
 
1048
            # parent directory
 
1049
            self.assertEqual([], list(transform.iter_changes()))
 
1050
            transform.adjust_path('new', subdir, old)
 
1051
            transform._new_name = {}
 
1052
            self.assertEqual([('id-1', ('old', 'subdir/old'), False,
 
1053
                (True, True), ('eert_toor', 'subdir-id'), ('old', 'old'),
 
1054
                ('file', 'file'), (False, False))],
 
1055
                list(transform.iter_changes()))
 
1056
            transform._new_path = {}
 
1057
 
 
1058
        finally:
 
1059
            transform.finalize()
 
1060
 
 
1061
    def test_iter_changes_modified_bleed(self):
 
1062
        self.wt.set_root_id('eert_toor')
 
1063
        """Modified flag should not bleed from one change to another"""
 
1064
        # unfortunately, we have no guarantee that file1 (which is modified)
 
1065
        # will be applied before file2.  And if it's applied after file2, it
 
1066
        # obviously can't bleed into file2's change output.  But for now, it
 
1067
        # works.
 
1068
        transform, root = self.get_transform()
 
1069
        transform.new_file('file1', root, 'blah', 'id-1')
 
1070
        transform.new_file('file2', root, 'blah', 'id-2')
 
1071
        transform.apply()
 
1072
        transform, root = self.get_transform()
 
1073
        try:
 
1074
            transform.delete_contents(transform.trans_id_file_id('id-1'))
 
1075
            transform.set_executability(True,
 
1076
            transform.trans_id_file_id('id-2'))
 
1077
            self.assertEqual([('id-1', (u'file1', u'file1'), True, (True, True),
 
1078
                ('eert_toor', 'eert_toor'), ('file1', u'file1'),
 
1079
                ('file', None), (False, False)),
 
1080
                ('id-2', (u'file2', u'file2'), False, (True, True),
 
1081
                ('eert_toor', 'eert_toor'), ('file2', u'file2'),
 
1082
                ('file', 'file'), (False, True))],
 
1083
                list(transform.iter_changes()))
 
1084
        finally:
 
1085
            transform.finalize()
 
1086
 
 
1087
    def test_iter_changes_move_missing(self):
 
1088
        """Test moving ids with no files around"""
 
1089
        self.wt.set_root_id('toor_eert')
 
1090
        # Need two steps because versioning a non-existant file is a conflict.
 
1091
        transform, root = self.get_transform()
 
1092
        transform.new_directory('floater', root, 'floater-id')
 
1093
        transform.apply()
 
1094
        transform, root = self.get_transform()
 
1095
        transform.delete_contents(transform.trans_id_tree_path('floater'))
 
1096
        transform.apply()
 
1097
        transform, root = self.get_transform()
 
1098
        floater = transform.trans_id_tree_path('floater')
 
1099
        try:
 
1100
            transform.adjust_path('flitter', root, floater)
 
1101
            self.assertEqual([('floater-id', ('floater', 'flitter'), False,
 
1102
            (True, True), ('toor_eert', 'toor_eert'), ('floater', 'flitter'),
 
1103
            (None, None), (False, False))], list(transform.iter_changes()))
 
1104
        finally:
 
1105
            transform.finalize()
 
1106
 
 
1107
    def test_iter_changes_pointless(self):
 
1108
        """Ensure that no-ops are not treated as modifications"""
 
1109
        self.wt.set_root_id('eert_toor')
 
1110
        transform, root = self.get_transform()
 
1111
        transform.new_file('old', root, 'blah', 'id-1')
 
1112
        transform.new_directory('subdir', root, 'subdir-id')
 
1113
        transform.apply()
 
1114
        transform, root = self.get_transform()
 
1115
        try:
 
1116
            old = transform.trans_id_tree_path('old')
 
1117
            subdir = transform.trans_id_tree_file_id('subdir-id')
 
1118
            self.assertEqual([], list(transform.iter_changes()))
 
1119
            transform.delete_contents(subdir)
 
1120
            transform.create_directory(subdir)
 
1121
            transform.set_executability(False, old)
 
1122
            transform.unversion_file(old)
 
1123
            transform.version_file('id-1', old)
 
1124
            transform.adjust_path('old', root, old)
 
1125
            self.assertEqual([], list(transform.iter_changes()))
 
1126
        finally:
 
1127
            transform.finalize()
 
1128
 
 
1129
    def test_rename_count(self):
 
1130
        transform, root = self.get_transform()
 
1131
        transform.new_file('name1', root, 'contents')
 
1132
        self.assertEqual(transform.rename_count, 0)
 
1133
        transform.apply()
 
1134
        self.assertEqual(transform.rename_count, 1)
 
1135
        transform2, root = self.get_transform()
 
1136
        transform2.adjust_path('name2', root,
 
1137
                               transform2.trans_id_tree_path('name1'))
 
1138
        self.assertEqual(transform2.rename_count, 0)
 
1139
        transform2.apply()
 
1140
        self.assertEqual(transform2.rename_count, 2)
 
1141
 
 
1142
    def test_change_parent(self):
 
1143
        """Ensure that after we change a parent, the results are still right.
 
1144
 
 
1145
        Renames and parent changes on pending transforms can happen as part
 
1146
        of conflict resolution, and are explicitly permitted by the
 
1147
        TreeTransform API.
 
1148
 
 
1149
        This test ensures they work correctly with the rename-avoidance
 
1150
        optimization.
 
1151
        """
 
1152
        transform, root = self.get_transform()
 
1153
        parent1 = transform.new_directory('parent1', root)
 
1154
        child1 = transform.new_file('child1', parent1, 'contents')
 
1155
        parent2 = transform.new_directory('parent2', root)
 
1156
        transform.adjust_path('child1', parent2, child1)
 
1157
        transform.apply()
 
1158
        self.failIfExists(self.wt.abspath('parent1/child1'))
 
1159
        self.failUnlessExists(self.wt.abspath('parent2/child1'))
 
1160
        # rename limbo/new-1 => parent1, rename limbo/new-3 => parent2
 
1161
        # no rename for child1 (counting only renames during apply)
 
1162
        self.failUnlessEqual(2, transform.rename_count)
 
1163
 
 
1164
    def test_cancel_parent(self):
 
1165
        """Cancelling a parent doesn't cause deletion of a non-empty directory
 
1166
 
 
1167
        This is like the test_change_parent, except that we cancel the parent
 
1168
        before adjusting the path.  The transform must detect that the
 
1169
        directory is non-empty, and move children to safe locations.
 
1170
        """
 
1171
        transform, root = self.get_transform()
 
1172
        parent1 = transform.new_directory('parent1', root)
 
1173
        child1 = transform.new_file('child1', parent1, 'contents')
 
1174
        child2 = transform.new_file('child2', parent1, 'contents')
 
1175
        try:
 
1176
            transform.cancel_creation(parent1)
 
1177
        except OSError:
 
1178
            self.fail('Failed to move child1 before deleting parent1')
 
1179
        transform.cancel_creation(child2)
 
1180
        transform.create_directory(parent1)
 
1181
        try:
 
1182
            transform.cancel_creation(parent1)
 
1183
        # If the transform incorrectly believes that child2 is still in
 
1184
        # parent1's limbo directory, it will try to rename it and fail
 
1185
        # because was already moved by the first cancel_creation.
 
1186
        except OSError:
 
1187
            self.fail('Transform still thinks child2 is a child of parent1')
 
1188
        parent2 = transform.new_directory('parent2', root)
 
1189
        transform.adjust_path('child1', parent2, child1)
 
1190
        transform.apply()
 
1191
        self.failIfExists(self.wt.abspath('parent1'))
 
1192
        self.failUnlessExists(self.wt.abspath('parent2/child1'))
 
1193
        # rename limbo/new-3 => parent2, rename limbo/new-2 => child1
 
1194
        self.failUnlessEqual(2, transform.rename_count)
 
1195
 
 
1196
    def test_adjust_and_cancel(self):
 
1197
        """Make sure adjust_path keeps track of limbo children properly"""
 
1198
        transform, root = self.get_transform()
 
1199
        parent1 = transform.new_directory('parent1', root)
 
1200
        child1 = transform.new_file('child1', parent1, 'contents')
 
1201
        parent2 = transform.new_directory('parent2', root)
 
1202
        transform.adjust_path('child1', parent2, child1)
 
1203
        transform.cancel_creation(child1)
 
1204
        try:
 
1205
            transform.cancel_creation(parent1)
 
1206
        # if the transform thinks child1 is still in parent1's limbo
 
1207
        # directory, it will attempt to move it and fail.
 
1208
        except OSError:
 
1209
            self.fail('Transform still thinks child1 is a child of parent1')
 
1210
        transform.finalize()
 
1211
 
 
1212
    def test_noname_contents(self):
 
1213
        """TreeTransform should permit deferring naming files."""
 
1214
        transform, root = self.get_transform()
 
1215
        parent = transform.trans_id_file_id('parent-id')
 
1216
        try:
 
1217
            transform.create_directory(parent)
 
1218
        except KeyError:
 
1219
            self.fail("Can't handle contents with no name")
 
1220
        transform.finalize()
 
1221
 
 
1222
    def test_noname_contents_nested(self):
 
1223
        """TreeTransform should permit deferring naming files."""
 
1224
        transform, root = self.get_transform()
 
1225
        parent = transform.trans_id_file_id('parent-id')
 
1226
        try:
 
1227
            transform.create_directory(parent)
 
1228
        except KeyError:
 
1229
            self.fail("Can't handle contents with no name")
 
1230
        child = transform.new_directory('child', parent)
 
1231
        transform.adjust_path('parent', root, parent)
 
1232
        transform.apply()
 
1233
        self.failUnlessExists(self.wt.abspath('parent/child'))
 
1234
        self.assertEqual(1, transform.rename_count)
 
1235
 
 
1236
    def test_reuse_name(self):
 
1237
        """Avoid reusing the same limbo name for different files"""
 
1238
        transform, root = self.get_transform()
 
1239
        parent = transform.new_directory('parent', root)
 
1240
        child1 = transform.new_directory('child', parent)
 
1241
        try:
 
1242
            child2 = transform.new_directory('child', parent)
 
1243
        except OSError:
 
1244
            self.fail('Tranform tried to use the same limbo name twice')
 
1245
        transform.adjust_path('child2', parent, child2)
 
1246
        transform.apply()
 
1247
        # limbo/new-1 => parent, limbo/new-3 => parent/child2
 
1248
        # child2 is put into top-level limbo because child1 has already
 
1249
        # claimed the direct limbo path when child2 is created.  There is no
 
1250
        # advantage in renaming files once they're in top-level limbo, except
 
1251
        # as part of apply.
 
1252
        self.assertEqual(2, transform.rename_count)
 
1253
 
 
1254
    def test_reuse_when_first_moved(self):
 
1255
        """Don't avoid direct paths when it is safe to use them"""
 
1256
        transform, root = self.get_transform()
 
1257
        parent = transform.new_directory('parent', root)
 
1258
        child1 = transform.new_directory('child', parent)
 
1259
        transform.adjust_path('child1', parent, child1)
 
1260
        child2 = transform.new_directory('child', parent)
 
1261
        transform.apply()
 
1262
        # limbo/new-1 => parent
 
1263
        self.assertEqual(1, transform.rename_count)
 
1264
 
 
1265
    def test_reuse_after_cancel(self):
 
1266
        """Don't avoid direct paths when it is safe to use them"""
 
1267
        transform, root = self.get_transform()
 
1268
        parent2 = transform.new_directory('parent2', root)
 
1269
        child1 = transform.new_directory('child1', parent2)
 
1270
        transform.cancel_creation(parent2)
 
1271
        transform.create_directory(parent2)
 
1272
        child2 = transform.new_directory('child1', parent2)
 
1273
        transform.adjust_path('child2', parent2, child1)
 
1274
        transform.apply()
 
1275
        # limbo/new-1 => parent2, limbo/new-2 => parent2/child1
 
1276
        self.assertEqual(2, transform.rename_count)
 
1277
 
 
1278
    def test_finalize_order(self):
 
1279
        """Finalize must be done in child-to-parent order"""
 
1280
        transform, root = self.get_transform()
 
1281
        parent = transform.new_directory('parent', root)
 
1282
        child = transform.new_directory('child', parent)
 
1283
        try:
 
1284
            transform.finalize()
 
1285
        except OSError:
 
1286
            self.fail('Tried to remove parent before child1')
 
1287
 
 
1288
    def test_cancel_with_cancelled_child_should_succeed(self):
 
1289
        transform, root = self.get_transform()
 
1290
        parent = transform.new_directory('parent', root)
 
1291
        child = transform.new_directory('child', parent)
 
1292
        transform.cancel_creation(child)
 
1293
        transform.cancel_creation(parent)
 
1294
        transform.finalize()
 
1295
 
 
1296
    def test_rollback_on_directory_clash(self):
 
1297
        def tt_helper():
 
1298
            wt = self.make_branch_and_tree('.')
 
1299
            tt = TreeTransform(wt)  # TreeTransform obtains write lock
 
1300
            try:
 
1301
                foo = tt.new_directory('foo', tt.root)
 
1302
                tt.new_file('bar', foo, 'foobar')
 
1303
                baz = tt.new_directory('baz', tt.root)
 
1304
                tt.new_file('qux', baz, 'quux')
 
1305
                # Ask for a rename 'foo' -> 'baz'
 
1306
                tt.adjust_path('baz', tt.root, foo)
 
1307
                # Lie to tt that we've already resolved all conflicts.
 
1308
                tt.apply(no_conflicts=True)
 
1309
            except:
 
1310
                wt.unlock()
 
1311
                raise
 
1312
        # The rename will fail because the target directory is not empty (but
 
1313
        # raises FileExists anyway).
 
1314
        err = self.assertRaises(errors.FileExists, tt_helper)
 
1315
        self.assertContainsRe(str(err),
 
1316
            "^File exists: .+/baz")
 
1317
 
 
1318
    def test_two_directories_clash(self):
 
1319
        def tt_helper():
 
1320
            wt = self.make_branch_and_tree('.')
 
1321
            tt = TreeTransform(wt)  # TreeTransform obtains write lock
 
1322
            try:
 
1323
                foo_1 = tt.new_directory('foo', tt.root)
 
1324
                tt.new_directory('bar', foo_1)
 
1325
                # Adding the same directory with a different content
 
1326
                foo_2 = tt.new_directory('foo', tt.root)
 
1327
                tt.new_directory('baz', foo_2)
 
1328
                # Lie to tt that we've already resolved all conflicts.
 
1329
                tt.apply(no_conflicts=True)
 
1330
            except:
 
1331
                wt.unlock()
 
1332
                raise
 
1333
        err = self.assertRaises(errors.FileExists, tt_helper)
 
1334
        self.assertContainsRe(str(err),
 
1335
            "^File exists: .+/foo")
 
1336
 
 
1337
    def test_two_directories_clash_finalize(self):
 
1338
        def tt_helper():
 
1339
            wt = self.make_branch_and_tree('.')
 
1340
            tt = TreeTransform(wt)  # TreeTransform obtains write lock
 
1341
            try:
 
1342
                foo_1 = tt.new_directory('foo', tt.root)
 
1343
                tt.new_directory('bar', foo_1)
 
1344
                # Adding the same directory with a different content
 
1345
                foo_2 = tt.new_directory('foo', tt.root)
 
1346
                tt.new_directory('baz', foo_2)
 
1347
                # Lie to tt that we've already resolved all conflicts.
 
1348
                tt.apply(no_conflicts=True)
 
1349
            except:
 
1350
                tt.finalize()
 
1351
                raise
 
1352
        err = self.assertRaises(errors.FileExists, tt_helper)
 
1353
        self.assertContainsRe(str(err),
 
1354
            "^File exists: .+/foo")
 
1355
 
 
1356
    def test_file_to_directory(self):
 
1357
        wt = self.make_branch_and_tree('.')
 
1358
        self.build_tree(['foo'])
 
1359
        wt.add(['foo'])
 
1360
        wt.commit("one")
 
1361
        tt = TreeTransform(wt)
 
1362
        self.addCleanup(tt.finalize)
 
1363
        foo_trans_id = tt.trans_id_tree_path("foo")
 
1364
        tt.delete_contents(foo_trans_id)
 
1365
        tt.create_directory(foo_trans_id)
 
1366
        bar_trans_id = tt.trans_id_tree_path("foo/bar")
 
1367
        tt.create_file(["aa\n"], bar_trans_id)
 
1368
        tt.version_file("bar-1", bar_trans_id)
 
1369
        tt.apply()
 
1370
        self.failUnlessExists("foo/bar")
 
1371
        wt.lock_read()
 
1372
        try:
 
1373
            self.assertEqual(wt.inventory.get_file_kind(wt.path2id("foo")),
 
1374
                    "directory")
 
1375
        finally:
 
1376
            wt.unlock()
 
1377
        wt.commit("two")
 
1378
        changes = wt.changes_from(wt.basis_tree())
 
1379
        self.assertFalse(changes.has_changed(), changes)
 
1380
 
 
1381
    def test_file_to_symlink(self):
 
1382
        self.requireFeature(SymlinkFeature)
 
1383
        wt = self.make_branch_and_tree('.')
 
1384
        self.build_tree(['foo'])
 
1385
        wt.add(['foo'])
 
1386
        wt.commit("one")
 
1387
        tt = TreeTransform(wt)
 
1388
        self.addCleanup(tt.finalize)
 
1389
        foo_trans_id = tt.trans_id_tree_path("foo")
 
1390
        tt.delete_contents(foo_trans_id)
 
1391
        tt.create_symlink("bar", foo_trans_id)
 
1392
        tt.apply()
 
1393
        self.failUnlessExists("foo")
 
1394
        wt.lock_read()
 
1395
        self.addCleanup(wt.unlock)
 
1396
        self.assertEqual(wt.inventory.get_file_kind(wt.path2id("foo")),
 
1397
                "symlink")
 
1398
 
 
1399
    def test_dir_to_file(self):
 
1400
        wt = self.make_branch_and_tree('.')
 
1401
        self.build_tree(['foo/', 'foo/bar'])
 
1402
        wt.add(['foo', 'foo/bar'])
 
1403
        wt.commit("one")
 
1404
        tt = TreeTransform(wt)
 
1405
        self.addCleanup(tt.finalize)
 
1406
        foo_trans_id = tt.trans_id_tree_path("foo")
 
1407
        bar_trans_id = tt.trans_id_tree_path("foo/bar")
 
1408
        tt.delete_contents(foo_trans_id)
 
1409
        tt.delete_versioned(bar_trans_id)
 
1410
        tt.create_file(["aa\n"], foo_trans_id)
 
1411
        tt.apply()
 
1412
        self.failUnlessExists("foo")
 
1413
        wt.lock_read()
 
1414
        self.addCleanup(wt.unlock)
 
1415
        self.assertEqual(wt.inventory.get_file_kind(wt.path2id("foo")),
 
1416
                "file")
 
1417
 
 
1418
    def test_dir_to_hardlink(self):
 
1419
        self.requireFeature(HardlinkFeature)
 
1420
        wt = self.make_branch_and_tree('.')
 
1421
        self.build_tree(['foo/', 'foo/bar'])
 
1422
        wt.add(['foo', 'foo/bar'])
 
1423
        wt.commit("one")
 
1424
        tt = TreeTransform(wt)
 
1425
        self.addCleanup(tt.finalize)
 
1426
        foo_trans_id = tt.trans_id_tree_path("foo")
 
1427
        bar_trans_id = tt.trans_id_tree_path("foo/bar")
 
1428
        tt.delete_contents(foo_trans_id)
 
1429
        tt.delete_versioned(bar_trans_id)
 
1430
        self.build_tree(['baz'])
 
1431
        tt.create_hardlink("baz", foo_trans_id)
 
1432
        tt.apply()
 
1433
        self.failUnlessExists("foo")
 
1434
        self.failUnlessExists("baz")
 
1435
        wt.lock_read()
 
1436
        self.addCleanup(wt.unlock)
 
1437
        self.assertEqual(wt.inventory.get_file_kind(wt.path2id("foo")),
 
1438
                "file")
 
1439
 
 
1440
    def test_no_final_path(self):
 
1441
        transform, root = self.get_transform()
 
1442
        trans_id = transform.trans_id_file_id('foo')
 
1443
        transform.create_file('bar', trans_id)
 
1444
        transform.cancel_creation(trans_id)
 
1445
        transform.apply()
 
1446
 
 
1447
    def test_create_from_tree(self):
 
1448
        tree1 = self.make_branch_and_tree('tree1')
 
1449
        self.build_tree_contents([('tree1/foo/',), ('tree1/bar', 'baz')])
 
1450
        tree1.add(['foo', 'bar'], ['foo-id', 'bar-id'])
 
1451
        tree2 = self.make_branch_and_tree('tree2')
 
1452
        tt = TreeTransform(tree2)
 
1453
        foo_trans_id = tt.create_path('foo', tt.root)
 
1454
        create_from_tree(tt, foo_trans_id, tree1, 'foo-id')
 
1455
        bar_trans_id = tt.create_path('bar', tt.root)
 
1456
        create_from_tree(tt, bar_trans_id, tree1, 'bar-id')
 
1457
        tt.apply()
 
1458
        self.assertEqual('directory', osutils.file_kind('tree2/foo'))
 
1459
        self.assertFileEqual('baz', 'tree2/bar')
 
1460
 
 
1461
    def test_create_from_tree_bytes(self):
 
1462
        """Provided lines are used instead of tree content."""
 
1463
        tree1 = self.make_branch_and_tree('tree1')
 
1464
        self.build_tree_contents([('tree1/foo', 'bar'),])
 
1465
        tree1.add('foo', 'foo-id')
 
1466
        tree2 = self.make_branch_and_tree('tree2')
 
1467
        tt = TreeTransform(tree2)
 
1468
        foo_trans_id = tt.create_path('foo', tt.root)
 
1469
        create_from_tree(tt, foo_trans_id, tree1, 'foo-id', bytes='qux')
 
1470
        tt.apply()
 
1471
        self.assertFileEqual('qux', 'tree2/foo')
 
1472
 
 
1473
    def test_create_from_tree_symlink(self):
 
1474
        self.requireFeature(SymlinkFeature)
 
1475
        tree1 = self.make_branch_and_tree('tree1')
 
1476
        os.symlink('bar', 'tree1/foo')
 
1477
        tree1.add('foo', 'foo-id')
 
1478
        tt = TreeTransform(self.make_branch_and_tree('tree2'))
 
1479
        foo_trans_id = tt.create_path('foo', tt.root)
 
1480
        create_from_tree(tt, foo_trans_id, tree1, 'foo-id')
 
1481
        tt.apply()
 
1482
        self.assertEqual('bar', os.readlink('tree2/foo'))
 
1483
 
 
1484
 
 
1485
class TransformGroup(object):
 
1486
 
 
1487
    def __init__(self, dirname, root_id):
 
1488
        self.name = dirname
 
1489
        os.mkdir(dirname)
 
1490
        self.wt = BzrDir.create_standalone_workingtree(dirname)
 
1491
        self.wt.set_root_id(root_id)
 
1492
        self.b = self.wt.branch
 
1493
        self.tt = TreeTransform(self.wt)
 
1494
        self.root = self.tt.trans_id_tree_file_id(self.wt.get_root_id())
 
1495
 
 
1496
 
 
1497
def conflict_text(tree, merge):
 
1498
    template = '%s TREE\n%s%s\n%s%s MERGE-SOURCE\n'
 
1499
    return template % ('<' * 7, tree, '=' * 7, merge, '>' * 7)
 
1500
 
 
1501
 
 
1502
class TestTransformMerge(TestCaseInTempDir):
 
1503
 
 
1504
    def test_text_merge(self):
 
1505
        root_id = generate_ids.gen_root_id()
 
1506
        base = TransformGroup("base", root_id)
 
1507
        base.tt.new_file('a', base.root, 'a\nb\nc\nd\be\n', 'a')
 
1508
        base.tt.new_file('b', base.root, 'b1', 'b')
 
1509
        base.tt.new_file('c', base.root, 'c', 'c')
 
1510
        base.tt.new_file('d', base.root, 'd', 'd')
 
1511
        base.tt.new_file('e', base.root, 'e', 'e')
 
1512
        base.tt.new_file('f', base.root, 'f', 'f')
 
1513
        base.tt.new_directory('g', base.root, 'g')
 
1514
        base.tt.new_directory('h', base.root, 'h')
 
1515
        base.tt.apply()
 
1516
        other = TransformGroup("other", root_id)
 
1517
        other.tt.new_file('a', other.root, 'y\nb\nc\nd\be\n', 'a')
 
1518
        other.tt.new_file('b', other.root, 'b2', 'b')
 
1519
        other.tt.new_file('c', other.root, 'c2', 'c')
 
1520
        other.tt.new_file('d', other.root, 'd', 'd')
 
1521
        other.tt.new_file('e', other.root, 'e2', 'e')
 
1522
        other.tt.new_file('f', other.root, 'f', 'f')
 
1523
        other.tt.new_file('g', other.root, 'g', 'g')
 
1524
        other.tt.new_file('h', other.root, 'h\ni\nj\nk\n', 'h')
 
1525
        other.tt.new_file('i', other.root, 'h\ni\nj\nk\n', 'i')
 
1526
        other.tt.apply()
 
1527
        this = TransformGroup("this", root_id)
 
1528
        this.tt.new_file('a', this.root, 'a\nb\nc\nd\bz\n', 'a')
 
1529
        this.tt.new_file('b', this.root, 'b', 'b')
 
1530
        this.tt.new_file('c', this.root, 'c', 'c')
 
1531
        this.tt.new_file('d', this.root, 'd2', 'd')
 
1532
        this.tt.new_file('e', this.root, 'e2', 'e')
 
1533
        this.tt.new_file('f', this.root, 'f', 'f')
 
1534
        this.tt.new_file('g', this.root, 'g', 'g')
 
1535
        this.tt.new_file('h', this.root, '1\n2\n3\n4\n', 'h')
 
1536
        this.tt.new_file('i', this.root, '1\n2\n3\n4\n', 'i')
 
1537
        this.tt.apply()
 
1538
        Merge3Merger(this.wt, this.wt, base.wt, other.wt)
 
1539
 
 
1540
        # textual merge
 
1541
        self.assertEqual(this.wt.get_file('a').read(), 'y\nb\nc\nd\bz\n')
 
1542
        # three-way text conflict
 
1543
        self.assertEqual(this.wt.get_file('b').read(),
 
1544
                         conflict_text('b', 'b2'))
 
1545
        # OTHER wins
 
1546
        self.assertEqual(this.wt.get_file('c').read(), 'c2')
 
1547
        # THIS wins
 
1548
        self.assertEqual(this.wt.get_file('d').read(), 'd2')
 
1549
        # Ambigious clean merge
 
1550
        self.assertEqual(this.wt.get_file('e').read(), 'e2')
 
1551
        # No change
 
1552
        self.assertEqual(this.wt.get_file('f').read(), 'f')
 
1553
        # Correct correct results when THIS == OTHER
 
1554
        self.assertEqual(this.wt.get_file('g').read(), 'g')
 
1555
        # Text conflict when THIS & OTHER are text and BASE is dir
 
1556
        self.assertEqual(this.wt.get_file('h').read(),
 
1557
                         conflict_text('1\n2\n3\n4\n', 'h\ni\nj\nk\n'))
 
1558
        self.assertEqual(this.wt.get_file_byname('h.THIS').read(),
 
1559
                         '1\n2\n3\n4\n')
 
1560
        self.assertEqual(this.wt.get_file_byname('h.OTHER').read(),
 
1561
                         'h\ni\nj\nk\n')
 
1562
        self.assertEqual(file_kind(this.wt.abspath('h.BASE')), 'directory')
 
1563
        self.assertEqual(this.wt.get_file('i').read(),
 
1564
                         conflict_text('1\n2\n3\n4\n', 'h\ni\nj\nk\n'))
 
1565
        self.assertEqual(this.wt.get_file_byname('i.THIS').read(),
 
1566
                         '1\n2\n3\n4\n')
 
1567
        self.assertEqual(this.wt.get_file_byname('i.OTHER').read(),
 
1568
                         'h\ni\nj\nk\n')
 
1569
        self.assertEqual(os.path.exists(this.wt.abspath('i.BASE')), False)
 
1570
        modified = ['a', 'b', 'c', 'h', 'i']
 
1571
        merge_modified = this.wt.merge_modified()
 
1572
        self.assertSubset(merge_modified, modified)
 
1573
        self.assertEqual(len(merge_modified), len(modified))
 
1574
        file(this.wt.id2abspath('a'), 'wb').write('booga')
 
1575
        modified.pop(0)
 
1576
        merge_modified = this.wt.merge_modified()
 
1577
        self.assertSubset(merge_modified, modified)
 
1578
        self.assertEqual(len(merge_modified), len(modified))
 
1579
        this.wt.remove('b')
 
1580
        this.wt.revert()
 
1581
 
 
1582
    def test_file_merge(self):
 
1583
        self.requireFeature(SymlinkFeature)
 
1584
        root_id = generate_ids.gen_root_id()
 
1585
        base = TransformGroup("BASE", root_id)
 
1586
        this = TransformGroup("THIS", root_id)
 
1587
        other = TransformGroup("OTHER", root_id)
 
1588
        for tg in this, base, other:
 
1589
            tg.tt.new_directory('a', tg.root, 'a')
 
1590
            tg.tt.new_symlink('b', tg.root, 'b', 'b')
 
1591
            tg.tt.new_file('c', tg.root, 'c', 'c')
 
1592
            tg.tt.new_symlink('d', tg.root, tg.name, 'd')
 
1593
        targets = ((base, 'base-e', 'base-f', None, None),
 
1594
                   (this, 'other-e', 'this-f', 'other-g', 'this-h'),
 
1595
                   (other, 'other-e', None, 'other-g', 'other-h'))
 
1596
        for tg, e_target, f_target, g_target, h_target in targets:
 
1597
            for link, target in (('e', e_target), ('f', f_target),
 
1598
                                 ('g', g_target), ('h', h_target)):
 
1599
                if target is not None:
 
1600
                    tg.tt.new_symlink(link, tg.root, target, link)
 
1601
 
 
1602
        for tg in this, base, other:
 
1603
            tg.tt.apply()
 
1604
        Merge3Merger(this.wt, this.wt, base.wt, other.wt)
 
1605
        self.assertIs(os.path.isdir(this.wt.abspath('a')), True)
 
1606
        self.assertIs(os.path.islink(this.wt.abspath('b')), True)
 
1607
        self.assertIs(os.path.isfile(this.wt.abspath('c')), True)
 
1608
        for suffix in ('THIS', 'BASE', 'OTHER'):
 
1609
            self.assertEqual(os.readlink(this.wt.abspath('d.'+suffix)), suffix)
 
1610
        self.assertIs(os.path.lexists(this.wt.abspath('d')), False)
 
1611
        self.assertEqual(this.wt.id2path('d'), 'd.OTHER')
 
1612
        self.assertEqual(this.wt.id2path('f'), 'f.THIS')
 
1613
        self.assertEqual(os.readlink(this.wt.abspath('e')), 'other-e')
 
1614
        self.assertIs(os.path.lexists(this.wt.abspath('e.THIS')), False)
 
1615
        self.assertIs(os.path.lexists(this.wt.abspath('e.OTHER')), False)
 
1616
        self.assertIs(os.path.lexists(this.wt.abspath('e.BASE')), False)
 
1617
        self.assertIs(os.path.lexists(this.wt.abspath('g')), True)
 
1618
        self.assertIs(os.path.lexists(this.wt.abspath('g.BASE')), False)
 
1619
        self.assertIs(os.path.lexists(this.wt.abspath('h')), False)
 
1620
        self.assertIs(os.path.lexists(this.wt.abspath('h.BASE')), False)
 
1621
        self.assertIs(os.path.lexists(this.wt.abspath('h.THIS')), True)
 
1622
        self.assertIs(os.path.lexists(this.wt.abspath('h.OTHER')), True)
 
1623
 
 
1624
    def test_filename_merge(self):
 
1625
        root_id = generate_ids.gen_root_id()
 
1626
        base = TransformGroup("BASE", root_id)
 
1627
        this = TransformGroup("THIS", root_id)
 
1628
        other = TransformGroup("OTHER", root_id)
 
1629
        base_a, this_a, other_a = [t.tt.new_directory('a', t.root, 'a')
 
1630
                                   for t in [base, this, other]]
 
1631
        base_b, this_b, other_b = [t.tt.new_directory('b', t.root, 'b')
 
1632
                                   for t in [base, this, other]]
 
1633
        base.tt.new_directory('c', base_a, 'c')
 
1634
        this.tt.new_directory('c1', this_a, 'c')
 
1635
        other.tt.new_directory('c', other_b, 'c')
 
1636
 
 
1637
        base.tt.new_directory('d', base_a, 'd')
 
1638
        this.tt.new_directory('d1', this_b, 'd')
 
1639
        other.tt.new_directory('d', other_a, 'd')
 
1640
 
 
1641
        base.tt.new_directory('e', base_a, 'e')
 
1642
        this.tt.new_directory('e', this_a, 'e')
 
1643
        other.tt.new_directory('e1', other_b, 'e')
 
1644
 
 
1645
        base.tt.new_directory('f', base_a, 'f')
 
1646
        this.tt.new_directory('f1', this_b, 'f')
 
1647
        other.tt.new_directory('f1', other_b, 'f')
 
1648
 
 
1649
        for tg in [this, base, other]:
 
1650
            tg.tt.apply()
 
1651
        Merge3Merger(this.wt, this.wt, base.wt, other.wt)
 
1652
        self.assertEqual(this.wt.id2path('c'), pathjoin('b/c1'))
 
1653
        self.assertEqual(this.wt.id2path('d'), pathjoin('b/d1'))
 
1654
        self.assertEqual(this.wt.id2path('e'), pathjoin('b/e1'))
 
1655
        self.assertEqual(this.wt.id2path('f'), pathjoin('b/f1'))
 
1656
 
 
1657
    def test_filename_merge_conflicts(self):
 
1658
        root_id = generate_ids.gen_root_id()
 
1659
        base = TransformGroup("BASE", root_id)
 
1660
        this = TransformGroup("THIS", root_id)
 
1661
        other = TransformGroup("OTHER", root_id)
 
1662
        base_a, this_a, other_a = [t.tt.new_directory('a', t.root, 'a')
 
1663
                                   for t in [base, this, other]]
 
1664
        base_b, this_b, other_b = [t.tt.new_directory('b', t.root, 'b')
 
1665
                                   for t in [base, this, other]]
 
1666
 
 
1667
        base.tt.new_file('g', base_a, 'g', 'g')
 
1668
        other.tt.new_file('g1', other_b, 'g1', 'g')
 
1669
 
 
1670
        base.tt.new_file('h', base_a, 'h', 'h')
 
1671
        this.tt.new_file('h1', this_b, 'h1', 'h')
 
1672
 
 
1673
        base.tt.new_file('i', base.root, 'i', 'i')
 
1674
        other.tt.new_directory('i1', this_b, 'i')
 
1675
 
 
1676
        for tg in [this, base, other]:
 
1677
            tg.tt.apply()
 
1678
        Merge3Merger(this.wt, this.wt, base.wt, other.wt)
 
1679
 
 
1680
        self.assertEqual(this.wt.id2path('g'), pathjoin('b/g1.OTHER'))
 
1681
        self.assertIs(os.path.lexists(this.wt.abspath('b/g1.BASE')), True)
 
1682
        self.assertIs(os.path.lexists(this.wt.abspath('b/g1.THIS')), False)
 
1683
        self.assertEqual(this.wt.id2path('h'), pathjoin('b/h1.THIS'))
 
1684
        self.assertIs(os.path.lexists(this.wt.abspath('b/h1.BASE')), True)
 
1685
        self.assertIs(os.path.lexists(this.wt.abspath('b/h1.OTHER')), False)
 
1686
        self.assertEqual(this.wt.id2path('i'), pathjoin('b/i1.OTHER'))
 
1687
 
 
1688
 
 
1689
class TestBuildTree(tests.TestCaseWithTransport):
 
1690
 
 
1691
    def test_build_tree_with_symlinks(self):
 
1692
        self.requireFeature(SymlinkFeature)
 
1693
        os.mkdir('a')
 
1694
        a = BzrDir.create_standalone_workingtree('a')
 
1695
        os.mkdir('a/foo')
 
1696
        file('a/foo/bar', 'wb').write('contents')
 
1697
        os.symlink('a/foo/bar', 'a/foo/baz')
 
1698
        a.add(['foo', 'foo/bar', 'foo/baz'])
 
1699
        a.commit('initial commit')
 
1700
        b = BzrDir.create_standalone_workingtree('b')
 
1701
        basis = a.basis_tree()
 
1702
        basis.lock_read()
 
1703
        self.addCleanup(basis.unlock)
 
1704
        build_tree(basis, b)
 
1705
        self.assertIs(os.path.isdir('b/foo'), True)
 
1706
        self.assertEqual(file('b/foo/bar', 'rb').read(), "contents")
 
1707
        self.assertEqual(os.readlink('b/foo/baz'), 'a/foo/bar')
 
1708
 
 
1709
    def test_build_with_references(self):
 
1710
        tree = self.make_branch_and_tree('source',
 
1711
            format='dirstate-with-subtree')
 
1712
        subtree = self.make_branch_and_tree('source/subtree',
 
1713
            format='dirstate-with-subtree')
 
1714
        tree.add_reference(subtree)
 
1715
        tree.commit('a revision')
 
1716
        tree.branch.create_checkout('target')
 
1717
        self.failUnlessExists('target')
 
1718
        self.failUnlessExists('target/subtree')
 
1719
 
 
1720
    def test_file_conflict_handling(self):
 
1721
        """Ensure that when building trees, conflict handling is done"""
 
1722
        source = self.make_branch_and_tree('source')
 
1723
        target = self.make_branch_and_tree('target')
 
1724
        self.build_tree(['source/file', 'target/file'])
 
1725
        source.add('file', 'new-file')
 
1726
        source.commit('added file')
 
1727
        build_tree(source.basis_tree(), target)
 
1728
        self.assertEqual([DuplicateEntry('Moved existing file to',
 
1729
                          'file.moved', 'file', None, 'new-file')],
 
1730
                         target.conflicts())
 
1731
        target2 = self.make_branch_and_tree('target2')
 
1732
        target_file = file('target2/file', 'wb')
 
1733
        try:
 
1734
            source_file = file('source/file', 'rb')
 
1735
            try:
 
1736
                target_file.write(source_file.read())
 
1737
            finally:
 
1738
                source_file.close()
 
1739
        finally:
 
1740
            target_file.close()
 
1741
        build_tree(source.basis_tree(), target2)
 
1742
        self.assertEqual([], target2.conflicts())
 
1743
 
 
1744
    def test_symlink_conflict_handling(self):
 
1745
        """Ensure that when building trees, conflict handling is done"""
 
1746
        self.requireFeature(SymlinkFeature)
 
1747
        source = self.make_branch_and_tree('source')
 
1748
        os.symlink('foo', 'source/symlink')
 
1749
        source.add('symlink', 'new-symlink')
 
1750
        source.commit('added file')
 
1751
        target = self.make_branch_and_tree('target')
 
1752
        os.symlink('bar', 'target/symlink')
 
1753
        build_tree(source.basis_tree(), target)
 
1754
        self.assertEqual([DuplicateEntry('Moved existing file to',
 
1755
            'symlink.moved', 'symlink', None, 'new-symlink')],
 
1756
            target.conflicts())
 
1757
        target = self.make_branch_and_tree('target2')
 
1758
        os.symlink('foo', 'target2/symlink')
 
1759
        build_tree(source.basis_tree(), target)
 
1760
        self.assertEqual([], target.conflicts())
 
1761
 
 
1762
    def test_directory_conflict_handling(self):
 
1763
        """Ensure that when building trees, conflict handling is done"""
 
1764
        source = self.make_branch_and_tree('source')
 
1765
        target = self.make_branch_and_tree('target')
 
1766
        self.build_tree(['source/dir1/', 'source/dir1/file', 'target/dir1/'])
 
1767
        source.add(['dir1', 'dir1/file'], ['new-dir1', 'new-file'])
 
1768
        source.commit('added file')
 
1769
        build_tree(source.basis_tree(), target)
 
1770
        self.assertEqual([], target.conflicts())
 
1771
        self.failUnlessExists('target/dir1/file')
 
1772
 
 
1773
        # Ensure contents are merged
 
1774
        target = self.make_branch_and_tree('target2')
 
1775
        self.build_tree(['target2/dir1/', 'target2/dir1/file2'])
 
1776
        build_tree(source.basis_tree(), target)
 
1777
        self.assertEqual([], target.conflicts())
 
1778
        self.failUnlessExists('target2/dir1/file2')
 
1779
        self.failUnlessExists('target2/dir1/file')
 
1780
 
 
1781
        # Ensure new contents are suppressed for existing branches
 
1782
        target = self.make_branch_and_tree('target3')
 
1783
        self.make_branch('target3/dir1')
 
1784
        self.build_tree(['target3/dir1/file2'])
 
1785
        build_tree(source.basis_tree(), target)
 
1786
        self.failIfExists('target3/dir1/file')
 
1787
        self.failUnlessExists('target3/dir1/file2')
 
1788
        self.failUnlessExists('target3/dir1.diverted/file')
 
1789
        self.assertEqual([DuplicateEntry('Diverted to',
 
1790
            'dir1.diverted', 'dir1', 'new-dir1', None)],
 
1791
            target.conflicts())
 
1792
 
 
1793
        target = self.make_branch_and_tree('target4')
 
1794
        self.build_tree(['target4/dir1/'])
 
1795
        self.make_branch('target4/dir1/file')
 
1796
        build_tree(source.basis_tree(), target)
 
1797
        self.failUnlessExists('target4/dir1/file')
 
1798
        self.assertEqual('directory', file_kind('target4/dir1/file'))
 
1799
        self.failUnlessExists('target4/dir1/file.diverted')
 
1800
        self.assertEqual([DuplicateEntry('Diverted to',
 
1801
            'dir1/file.diverted', 'dir1/file', 'new-file', None)],
 
1802
            target.conflicts())
 
1803
 
 
1804
    def test_mixed_conflict_handling(self):
 
1805
        """Ensure that when building trees, conflict handling is done"""
 
1806
        source = self.make_branch_and_tree('source')
 
1807
        target = self.make_branch_and_tree('target')
 
1808
        self.build_tree(['source/name', 'target/name/'])
 
1809
        source.add('name', 'new-name')
 
1810
        source.commit('added file')
 
1811
        build_tree(source.basis_tree(), target)
 
1812
        self.assertEqual([DuplicateEntry('Moved existing file to',
 
1813
            'name.moved', 'name', None, 'new-name')], target.conflicts())
 
1814
 
 
1815
    def test_raises_in_populated(self):
 
1816
        source = self.make_branch_and_tree('source')
 
1817
        self.build_tree(['source/name'])
 
1818
        source.add('name')
 
1819
        source.commit('added name')
 
1820
        target = self.make_branch_and_tree('target')
 
1821
        self.build_tree(['target/name'])
 
1822
        target.add('name')
 
1823
        self.assertRaises(errors.WorkingTreeAlreadyPopulated,
 
1824
            build_tree, source.basis_tree(), target)
 
1825
 
 
1826
    def test_build_tree_rename_count(self):
 
1827
        source = self.make_branch_and_tree('source')
 
1828
        self.build_tree(['source/file1', 'source/dir1/'])
 
1829
        source.add(['file1', 'dir1'])
 
1830
        source.commit('add1')
 
1831
        target1 = self.make_branch_and_tree('target1')
 
1832
        transform_result = build_tree(source.basis_tree(), target1)
 
1833
        self.assertEqual(2, transform_result.rename_count)
 
1834
 
 
1835
        self.build_tree(['source/dir1/file2'])
 
1836
        source.add(['dir1/file2'])
 
1837
        source.commit('add3')
 
1838
        target2 = self.make_branch_and_tree('target2')
 
1839
        transform_result = build_tree(source.basis_tree(), target2)
 
1840
        # children of non-root directories should not be renamed
 
1841
        self.assertEqual(2, transform_result.rename_count)
 
1842
 
 
1843
    def create_ab_tree(self):
 
1844
        """Create a committed test tree with two files"""
 
1845
        source = self.make_branch_and_tree('source')
 
1846
        self.build_tree_contents([('source/file1', 'A')])
 
1847
        self.build_tree_contents([('source/file2', 'B')])
 
1848
        source.add(['file1', 'file2'], ['file1-id', 'file2-id'])
 
1849
        source.commit('commit files')
 
1850
        source.lock_write()
 
1851
        self.addCleanup(source.unlock)
 
1852
        return source
 
1853
 
 
1854
    def test_build_tree_accelerator_tree(self):
 
1855
        source = self.create_ab_tree()
 
1856
        self.build_tree_contents([('source/file2', 'C')])
 
1857
        calls = []
 
1858
        real_source_get_file = source.get_file
 
1859
        def get_file(file_id, path=None):
 
1860
            calls.append(file_id)
 
1861
            return real_source_get_file(file_id, path)
 
1862
        source.get_file = get_file
 
1863
        target = self.make_branch_and_tree('target')
 
1864
        revision_tree = source.basis_tree()
 
1865
        revision_tree.lock_read()
 
1866
        self.addCleanup(revision_tree.unlock)
 
1867
        build_tree(revision_tree, target, source)
 
1868
        self.assertEqual(['file1-id'], calls)
 
1869
        target.lock_read()
 
1870
        self.addCleanup(target.unlock)
 
1871
        self.assertEqual([], list(target.iter_changes(revision_tree)))
 
1872
 
 
1873
    def test_build_tree_accelerator_tree_missing_file(self):
 
1874
        source = self.create_ab_tree()
 
1875
        os.unlink('source/file1')
 
1876
        source.remove(['file2'])
 
1877
        target = self.make_branch_and_tree('target')
 
1878
        revision_tree = source.basis_tree()
 
1879
        revision_tree.lock_read()
 
1880
        self.addCleanup(revision_tree.unlock)
 
1881
        build_tree(revision_tree, target, source)
 
1882
        target.lock_read()
 
1883
        self.addCleanup(target.unlock)
 
1884
        self.assertEqual([], list(target.iter_changes(revision_tree)))
 
1885
 
 
1886
    def test_build_tree_accelerator_wrong_kind(self):
 
1887
        self.requireFeature(SymlinkFeature)
 
1888
        source = self.make_branch_and_tree('source')
 
1889
        self.build_tree_contents([('source/file1', '')])
 
1890
        self.build_tree_contents([('source/file2', '')])
 
1891
        source.add(['file1', 'file2'], ['file1-id', 'file2-id'])
 
1892
        source.commit('commit files')
 
1893
        os.unlink('source/file2')
 
1894
        self.build_tree_contents([('source/file2/', 'C')])
 
1895
        os.unlink('source/file1')
 
1896
        os.symlink('file2', 'source/file1')
 
1897
        calls = []
 
1898
        real_source_get_file = source.get_file
 
1899
        def get_file(file_id, path=None):
 
1900
            calls.append(file_id)
 
1901
            return real_source_get_file(file_id, path)
 
1902
        source.get_file = get_file
 
1903
        target = self.make_branch_and_tree('target')
 
1904
        revision_tree = source.basis_tree()
 
1905
        revision_tree.lock_read()
 
1906
        self.addCleanup(revision_tree.unlock)
 
1907
        build_tree(revision_tree, target, source)
 
1908
        self.assertEqual([], calls)
 
1909
        target.lock_read()
 
1910
        self.addCleanup(target.unlock)
 
1911
        self.assertEqual([], list(target.iter_changes(revision_tree)))
 
1912
 
 
1913
    def test_build_tree_hardlink(self):
 
1914
        self.requireFeature(HardlinkFeature)
 
1915
        source = self.create_ab_tree()
 
1916
        target = self.make_branch_and_tree('target')
 
1917
        revision_tree = source.basis_tree()
 
1918
        revision_tree.lock_read()
 
1919
        self.addCleanup(revision_tree.unlock)
 
1920
        build_tree(revision_tree, target, source, hardlink=True)
 
1921
        target.lock_read()
 
1922
        self.addCleanup(target.unlock)
 
1923
        self.assertEqual([], list(target.iter_changes(revision_tree)))
 
1924
        source_stat = os.stat('source/file1')
 
1925
        target_stat = os.stat('target/file1')
 
1926
        self.assertEqual(source_stat, target_stat)
 
1927
 
 
1928
        # Explicitly disallowing hardlinks should prevent them.
 
1929
        target2 = self.make_branch_and_tree('target2')
 
1930
        build_tree(revision_tree, target2, source, hardlink=False)
 
1931
        target2.lock_read()
 
1932
        self.addCleanup(target2.unlock)
 
1933
        self.assertEqual([], list(target2.iter_changes(revision_tree)))
 
1934
        source_stat = os.stat('source/file1')
 
1935
        target2_stat = os.stat('target2/file1')
 
1936
        self.assertNotEqual(source_stat, target2_stat)
 
1937
 
 
1938
    def test_build_tree_accelerator_tree_moved(self):
 
1939
        source = self.make_branch_and_tree('source')
 
1940
        self.build_tree_contents([('source/file1', 'A')])
 
1941
        source.add(['file1'], ['file1-id'])
 
1942
        source.commit('commit files')
 
1943
        source.rename_one('file1', 'file2')
 
1944
        source.lock_read()
 
1945
        self.addCleanup(source.unlock)
 
1946
        target = self.make_branch_and_tree('target')
 
1947
        revision_tree = source.basis_tree()
 
1948
        revision_tree.lock_read()
 
1949
        self.addCleanup(revision_tree.unlock)
 
1950
        build_tree(revision_tree, target, source)
 
1951
        target.lock_read()
 
1952
        self.addCleanup(target.unlock)
 
1953
        self.assertEqual([], list(target.iter_changes(revision_tree)))
 
1954
 
 
1955
    def test_build_tree_hardlinks_preserve_execute(self):
 
1956
        self.requireFeature(HardlinkFeature)
 
1957
        source = self.create_ab_tree()
 
1958
        tt = TreeTransform(source)
 
1959
        trans_id = tt.trans_id_tree_file_id('file1-id')
 
1960
        tt.set_executability(True, trans_id)
 
1961
        tt.apply()
 
1962
        self.assertTrue(source.is_executable('file1-id'))
 
1963
        target = self.make_branch_and_tree('target')
 
1964
        revision_tree = source.basis_tree()
 
1965
        revision_tree.lock_read()
 
1966
        self.addCleanup(revision_tree.unlock)
 
1967
        build_tree(revision_tree, target, source, hardlink=True)
 
1968
        target.lock_read()
 
1969
        self.addCleanup(target.unlock)
 
1970
        self.assertEqual([], list(target.iter_changes(revision_tree)))
 
1971
        self.assertTrue(source.is_executable('file1-id'))
 
1972
 
 
1973
    def install_rot13_content_filter(self, pattern):
 
1974
        # We could use
 
1975
        # self.addCleanup(filters._reset_registry, filters._reset_registry())
 
1976
        # below, but that looks a bit... hard to read even if it's exactly
 
1977
        # the same thing.
 
1978
        original_registry = filters._reset_registry()
 
1979
        def restore_registry():
 
1980
            filters._reset_registry(original_registry)
 
1981
        self.addCleanup(restore_registry)
 
1982
        def rot13(chunks, context=None):
 
1983
            return [''.join(chunks).encode('rot13')]
 
1984
        rot13filter = filters.ContentFilter(rot13, rot13)
 
1985
        filters.register_filter_stack_map('rot13', {'yes': [rot13filter]}.get)
 
1986
        os.mkdir(self.test_home_dir + '/.bazaar')
 
1987
        rules_filename = self.test_home_dir + '/.bazaar/rules'
 
1988
        f = open(rules_filename, 'wb')
 
1989
        f.write('[name %s]\nrot13=yes\n' % (pattern,))
 
1990
        f.close()
 
1991
        def uninstall_rules():
 
1992
            os.remove(rules_filename)
 
1993
            rules.reset_rules()
 
1994
        self.addCleanup(uninstall_rules)
 
1995
        rules.reset_rules()
 
1996
 
 
1997
    def test_build_tree_content_filtered_files_are_not_hardlinked(self):
 
1998
        """build_tree will not hardlink files that have content filtering rules
 
1999
        applied to them (but will still hardlink other files from the same tree
 
2000
        if it can).
 
2001
        """
 
2002
        self.requireFeature(HardlinkFeature)
 
2003
        self.install_rot13_content_filter('file1')
 
2004
        source = self.create_ab_tree()
 
2005
        target = self.make_branch_and_tree('target')
 
2006
        revision_tree = source.basis_tree()
 
2007
        revision_tree.lock_read()
 
2008
        self.addCleanup(revision_tree.unlock)
 
2009
        build_tree(revision_tree, target, source, hardlink=True)
 
2010
        target.lock_read()
 
2011
        self.addCleanup(target.unlock)
 
2012
        self.assertEqual([], list(target.iter_changes(revision_tree)))
 
2013
        source_stat = os.stat('source/file1')
 
2014
        target_stat = os.stat('target/file1')
 
2015
        self.assertNotEqual(source_stat, target_stat)
 
2016
        source_stat = os.stat('source/file2')
 
2017
        target_stat = os.stat('target/file2')
 
2018
        self.assertEqualStat(source_stat, target_stat)
 
2019
 
 
2020
    def test_case_insensitive_build_tree_inventory(self):
 
2021
        if (tests.CaseInsensitiveFilesystemFeature.available()
 
2022
            or tests.CaseInsCasePresFilenameFeature.available()):
 
2023
            raise tests.UnavailableFeature('Fully case sensitive filesystem')
 
2024
        source = self.make_branch_and_tree('source')
 
2025
        self.build_tree(['source/file', 'source/FILE'])
 
2026
        source.add(['file', 'FILE'], ['lower-id', 'upper-id'])
 
2027
        source.commit('added files')
 
2028
        # Don't try this at home, kids!
 
2029
        # Force the tree to report that it is case insensitive
 
2030
        target = self.make_branch_and_tree('target')
 
2031
        target.case_sensitive = False
 
2032
        build_tree(source.basis_tree(), target, source, delta_from_tree=True)
 
2033
        self.assertEqual('file.moved', target.id2path('lower-id'))
 
2034
        self.assertEqual('FILE', target.id2path('upper-id'))
 
2035
 
 
2036
 
 
2037
class TestCommitTransform(tests.TestCaseWithTransport):
 
2038
 
 
2039
    def get_branch(self):
 
2040
        tree = self.make_branch_and_tree('tree')
 
2041
        tree.lock_write()
 
2042
        self.addCleanup(tree.unlock)
 
2043
        tree.commit('empty commit')
 
2044
        return tree.branch
 
2045
 
 
2046
    def get_branch_and_transform(self):
 
2047
        branch = self.get_branch()
 
2048
        tt = TransformPreview(branch.basis_tree())
 
2049
        self.addCleanup(tt.finalize)
 
2050
        return branch, tt
 
2051
 
 
2052
    def test_commit_wrong_basis(self):
 
2053
        branch = self.get_branch()
 
2054
        basis = branch.repository.revision_tree(
 
2055
            _mod_revision.NULL_REVISION)
 
2056
        tt = TransformPreview(basis)
 
2057
        self.addCleanup(tt.finalize)
 
2058
        e = self.assertRaises(ValueError, tt.commit, branch, '')
 
2059
        self.assertEqual('TreeTransform not based on branch basis: null:',
 
2060
                         str(e))
 
2061
 
 
2062
    def test_empy_commit(self):
 
2063
        branch, tt = self.get_branch_and_transform()
 
2064
        rev = tt.commit(branch, 'my message')
 
2065
        self.assertEqual(2, branch.revno())
 
2066
        repo = branch.repository
 
2067
        self.assertEqual('my message', repo.get_revision(rev).message)
 
2068
 
 
2069
    def test_merge_parents(self):
 
2070
        branch, tt = self.get_branch_and_transform()
 
2071
        rev = tt.commit(branch, 'my message', ['rev1b', 'rev1c'])
 
2072
        self.assertEqual(['rev1b', 'rev1c'],
 
2073
                         branch.basis_tree().get_parent_ids()[1:])
 
2074
 
 
2075
    def test_first_commit(self):
 
2076
        branch = self.make_branch('branch')
 
2077
        branch.lock_write()
 
2078
        self.addCleanup(branch.unlock)
 
2079
        tt = TransformPreview(branch.basis_tree())
 
2080
        self.addCleanup(tt.finalize)
 
2081
        tt.new_directory('', ROOT_PARENT, 'TREE_ROOT')
 
2082
        rev = tt.commit(branch, 'my message')
 
2083
        self.assertEqual([], branch.basis_tree().get_parent_ids())
 
2084
        self.assertNotEqual(_mod_revision.NULL_REVISION,
 
2085
                            branch.last_revision())
 
2086
 
 
2087
    def test_first_commit_with_merge_parents(self):
 
2088
        branch = self.make_branch('branch')
 
2089
        branch.lock_write()
 
2090
        self.addCleanup(branch.unlock)
 
2091
        tt = TransformPreview(branch.basis_tree())
 
2092
        self.addCleanup(tt.finalize)
 
2093
        e = self.assertRaises(ValueError, tt.commit, branch,
 
2094
                          'my message', ['rev1b-id'])
 
2095
        self.assertEqual('Cannot supply merge parents for first commit.',
 
2096
                         str(e))
 
2097
        self.assertEqual(_mod_revision.NULL_REVISION, branch.last_revision())
 
2098
 
 
2099
    def test_add_files(self):
 
2100
        branch, tt = self.get_branch_and_transform()
 
2101
        tt.new_file('file', tt.root, 'contents', 'file-id')
 
2102
        trans_id = tt.new_directory('dir', tt.root, 'dir-id')
 
2103
        if SymlinkFeature.available():
 
2104
            tt.new_symlink('symlink', trans_id, 'target', 'symlink-id')
 
2105
        rev = tt.commit(branch, 'message')
 
2106
        tree = branch.basis_tree()
 
2107
        self.assertEqual('file', tree.id2path('file-id'))
 
2108
        self.assertEqual('contents', tree.get_file_text('file-id'))
 
2109
        self.assertEqual('dir', tree.id2path('dir-id'))
 
2110
        if SymlinkFeature.available():
 
2111
            self.assertEqual('dir/symlink', tree.id2path('symlink-id'))
 
2112
            self.assertEqual('target', tree.get_symlink_target('symlink-id'))
 
2113
 
 
2114
    def test_add_unversioned(self):
 
2115
        branch, tt = self.get_branch_and_transform()
 
2116
        tt.new_file('file', tt.root, 'contents')
 
2117
        self.assertRaises(errors.StrictCommitFailed, tt.commit, branch,
 
2118
                          'message', strict=True)
 
2119
 
 
2120
    def test_modify_strict(self):
 
2121
        branch, tt = self.get_branch_and_transform()
 
2122
        tt.new_file('file', tt.root, 'contents', 'file-id')
 
2123
        tt.commit(branch, 'message', strict=True)
 
2124
        tt = TransformPreview(branch.basis_tree())
 
2125
        self.addCleanup(tt.finalize)
 
2126
        trans_id = tt.trans_id_file_id('file-id')
 
2127
        tt.delete_contents(trans_id)
 
2128
        tt.create_file('contents', trans_id)
 
2129
        tt.commit(branch, 'message', strict=True)
 
2130
 
 
2131
    def test_commit_malformed(self):
 
2132
        """Committing a malformed transform should raise an exception.
 
2133
 
 
2134
        In this case, we are adding a file without adding its parent.
 
2135
        """
 
2136
        branch, tt = self.get_branch_and_transform()
 
2137
        parent_id = tt.trans_id_file_id('parent-id')
 
2138
        tt.new_file('file', parent_id, 'contents', 'file-id')
 
2139
        self.assertRaises(errors.MalformedTransform, tt.commit, branch,
 
2140
                          'message')
 
2141
 
 
2142
    def test_commit_rich_revision_data(self):
 
2143
        branch, tt = self.get_branch_and_transform()
 
2144
        rev_id = tt.commit(branch, 'message', timestamp=1, timezone=43201,
 
2145
                           committer='me <me@example.com>',
 
2146
                           revprops={'foo': 'bar'}, revision_id='revid-1',
 
2147
                           authors=['Author1 <author1@example.com>',
 
2148
                              'Author2 <author2@example.com>',
 
2149
                               ])
 
2150
        self.assertEqual('revid-1', rev_id)
 
2151
        revision = branch.repository.get_revision(rev_id)
 
2152
        self.assertEqual(1, revision.timestamp)
 
2153
        self.assertEqual(43201, revision.timezone)
 
2154
        self.assertEqual('me <me@example.com>', revision.committer)
 
2155
        self.assertEqual(['Author1 <author1@example.com>',
 
2156
                          'Author2 <author2@example.com>'],
 
2157
                         revision.get_apparent_authors())
 
2158
        del revision.properties['authors']
 
2159
        self.assertEqual({'foo': 'bar',
 
2160
                          'branch-nick': 'tree'},
 
2161
                         revision.properties)
 
2162
 
 
2163
    def test_no_explicit_revprops(self):
 
2164
        branch, tt = self.get_branch_and_transform()
 
2165
        rev_id = tt.commit(branch, 'message', authors=[
 
2166
            'Author1 <author1@example.com>',
 
2167
            'Author2 <author2@example.com>', ])
 
2168
        revision = branch.repository.get_revision(rev_id)
 
2169
        self.assertEqual(['Author1 <author1@example.com>',
 
2170
                          'Author2 <author2@example.com>'],
 
2171
                         revision.get_apparent_authors())
 
2172
        self.assertEqual('tree', revision.properties['branch-nick'])
 
2173
 
 
2174
 
 
2175
class MockTransform(object):
 
2176
 
 
2177
    def has_named_child(self, by_parent, parent_id, name):
 
2178
        for child_id in by_parent[parent_id]:
 
2179
            if child_id == '0':
 
2180
                if name == "name~":
 
2181
                    return True
 
2182
            elif name == "name.~%s~" % child_id:
 
2183
                return True
 
2184
        return False
 
2185
 
 
2186
 
 
2187
class MockEntry(object):
 
2188
    def __init__(self):
 
2189
        object.__init__(self)
 
2190
        self.name = "name"
 
2191
 
 
2192
 
 
2193
class TestGetBackupName(TestCase):
 
2194
    def test_get_backup_name(self):
 
2195
        tt = MockTransform()
 
2196
        name = get_backup_name(MockEntry(), {'a':[]}, 'a', tt)
 
2197
        self.assertEqual(name, 'name.~1~')
 
2198
        name = get_backup_name(MockEntry(), {'a':['1']}, 'a', tt)
 
2199
        self.assertEqual(name, 'name.~2~')
 
2200
        name = get_backup_name(MockEntry(), {'a':['2']}, 'a', tt)
 
2201
        self.assertEqual(name, 'name.~1~')
 
2202
        name = get_backup_name(MockEntry(), {'a':['2'], 'b':[]}, 'b', tt)
 
2203
        self.assertEqual(name, 'name.~1~')
 
2204
        name = get_backup_name(MockEntry(), {'a':['1', '2', '3']}, 'a', tt)
 
2205
        self.assertEqual(name, 'name.~4~')
 
2206
 
 
2207
 
 
2208
class TestFileMover(tests.TestCaseWithTransport):
 
2209
 
 
2210
    def test_file_mover(self):
 
2211
        self.build_tree(['a/', 'a/b', 'c/', 'c/d'])
 
2212
        mover = _FileMover()
 
2213
        mover.rename('a', 'q')
 
2214
        self.failUnlessExists('q')
 
2215
        self.failIfExists('a')
 
2216
        self.failUnlessExists('q/b')
 
2217
        self.failUnlessExists('c')
 
2218
        self.failUnlessExists('c/d')
 
2219
 
 
2220
    def test_pre_delete_rollback(self):
 
2221
        self.build_tree(['a/'])
 
2222
        mover = _FileMover()
 
2223
        mover.pre_delete('a', 'q')
 
2224
        self.failUnlessExists('q')
 
2225
        self.failIfExists('a')
 
2226
        mover.rollback()
 
2227
        self.failIfExists('q')
 
2228
        self.failUnlessExists('a')
 
2229
 
 
2230
    def test_apply_deletions(self):
 
2231
        self.build_tree(['a/', 'b/'])
 
2232
        mover = _FileMover()
 
2233
        mover.pre_delete('a', 'q')
 
2234
        mover.pre_delete('b', 'r')
 
2235
        self.failUnlessExists('q')
 
2236
        self.failUnlessExists('r')
 
2237
        self.failIfExists('a')
 
2238
        self.failIfExists('b')
 
2239
        mover.apply_deletions()
 
2240
        self.failIfExists('q')
 
2241
        self.failIfExists('r')
 
2242
        self.failIfExists('a')
 
2243
        self.failIfExists('b')
 
2244
 
 
2245
    def test_file_mover_rollback(self):
 
2246
        self.build_tree(['a/', 'a/b', 'c/', 'c/d/', 'c/e/'])
 
2247
        mover = _FileMover()
 
2248
        mover.rename('c/d', 'c/f')
 
2249
        mover.rename('c/e', 'c/d')
 
2250
        try:
 
2251
            mover.rename('a', 'c')
 
2252
        except errors.FileExists, e:
 
2253
            mover.rollback()
 
2254
        self.failUnlessExists('a')
 
2255
        self.failUnlessExists('c/d')
 
2256
 
 
2257
 
 
2258
class Bogus(Exception):
 
2259
    pass
 
2260
 
 
2261
 
 
2262
class TestTransformRollback(tests.TestCaseWithTransport):
 
2263
 
 
2264
    class ExceptionFileMover(_FileMover):
 
2265
 
 
2266
        def __init__(self, bad_source=None, bad_target=None):
 
2267
            _FileMover.__init__(self)
 
2268
            self.bad_source = bad_source
 
2269
            self.bad_target = bad_target
 
2270
 
 
2271
        def rename(self, source, target):
 
2272
            if (self.bad_source is not None and
 
2273
                source.endswith(self.bad_source)):
 
2274
                raise Bogus
 
2275
            elif (self.bad_target is not None and
 
2276
                target.endswith(self.bad_target)):
 
2277
                raise Bogus
 
2278
            else:
 
2279
                _FileMover.rename(self, source, target)
 
2280
 
 
2281
    def test_rollback_rename(self):
 
2282
        tree = self.make_branch_and_tree('.')
 
2283
        self.build_tree(['a/', 'a/b'])
 
2284
        tt = TreeTransform(tree)
 
2285
        self.addCleanup(tt.finalize)
 
2286
        a_id = tt.trans_id_tree_path('a')
 
2287
        tt.adjust_path('c', tt.root, a_id)
 
2288
        tt.adjust_path('d', a_id, tt.trans_id_tree_path('a/b'))
 
2289
        self.assertRaises(Bogus, tt.apply,
 
2290
                          _mover=self.ExceptionFileMover(bad_source='a'))
 
2291
        self.failUnlessExists('a')
 
2292
        self.failUnlessExists('a/b')
 
2293
        tt.apply()
 
2294
        self.failUnlessExists('c')
 
2295
        self.failUnlessExists('c/d')
 
2296
 
 
2297
    def test_rollback_rename_into_place(self):
 
2298
        tree = self.make_branch_and_tree('.')
 
2299
        self.build_tree(['a/', 'a/b'])
 
2300
        tt = TreeTransform(tree)
 
2301
        self.addCleanup(tt.finalize)
 
2302
        a_id = tt.trans_id_tree_path('a')
 
2303
        tt.adjust_path('c', tt.root, a_id)
 
2304
        tt.adjust_path('d', a_id, tt.trans_id_tree_path('a/b'))
 
2305
        self.assertRaises(Bogus, tt.apply,
 
2306
                          _mover=self.ExceptionFileMover(bad_target='c/d'))
 
2307
        self.failUnlessExists('a')
 
2308
        self.failUnlessExists('a/b')
 
2309
        tt.apply()
 
2310
        self.failUnlessExists('c')
 
2311
        self.failUnlessExists('c/d')
 
2312
 
 
2313
    def test_rollback_deletion(self):
 
2314
        tree = self.make_branch_and_tree('.')
 
2315
        self.build_tree(['a/', 'a/b'])
 
2316
        tt = TreeTransform(tree)
 
2317
        self.addCleanup(tt.finalize)
 
2318
        a_id = tt.trans_id_tree_path('a')
 
2319
        tt.delete_contents(a_id)
 
2320
        tt.adjust_path('d', tt.root, tt.trans_id_tree_path('a/b'))
 
2321
        self.assertRaises(Bogus, tt.apply,
 
2322
                          _mover=self.ExceptionFileMover(bad_target='d'))
 
2323
        self.failUnlessExists('a')
 
2324
        self.failUnlessExists('a/b')
 
2325
 
 
2326
    def test_resolve_no_parent(self):
 
2327
        wt = self.make_branch_and_tree('.')
 
2328
        tt = TreeTransform(wt)
 
2329
        self.addCleanup(tt.finalize)
 
2330
        parent = tt.trans_id_file_id('parent-id')
 
2331
        tt.new_file('file', parent, 'Contents')
 
2332
        resolve_conflicts(tt)
 
2333
 
 
2334
 
 
2335
A_ENTRY = ('a-id', ('a', 'a'), True, (True, True),
 
2336
                  ('TREE_ROOT', 'TREE_ROOT'), ('a', 'a'), ('file', 'file'),
 
2337
                  (False, False))
 
2338
ROOT_ENTRY = ('TREE_ROOT', ('', ''), False, (True, True), (None, None),
 
2339
              ('', ''), ('directory', 'directory'), (False, None))
 
2340
 
 
2341
 
 
2342
class TestTransformPreview(tests.TestCaseWithTransport):
 
2343
 
 
2344
    def create_tree(self):
 
2345
        tree = self.make_branch_and_tree('.')
 
2346
        self.build_tree_contents([('a', 'content 1')])
 
2347
        tree.set_root_id('TREE_ROOT')
 
2348
        tree.add('a', 'a-id')
 
2349
        tree.commit('rev1', rev_id='rev1')
 
2350
        return tree.branch.repository.revision_tree('rev1')
 
2351
 
 
2352
    def get_empty_preview(self):
 
2353
        repository = self.make_repository('repo')
 
2354
        tree = repository.revision_tree(_mod_revision.NULL_REVISION)
 
2355
        preview = TransformPreview(tree)
 
2356
        self.addCleanup(preview.finalize)
 
2357
        return preview
 
2358
 
 
2359
    def test_transform_preview(self):
 
2360
        revision_tree = self.create_tree()
 
2361
        preview = TransformPreview(revision_tree)
 
2362
        self.addCleanup(preview.finalize)
 
2363
 
 
2364
    def test_transform_preview_tree(self):
 
2365
        revision_tree = self.create_tree()
 
2366
        preview = TransformPreview(revision_tree)
 
2367
        self.addCleanup(preview.finalize)
 
2368
        preview.get_preview_tree()
 
2369
 
 
2370
    def test_transform_new_file(self):
 
2371
        revision_tree = self.create_tree()
 
2372
        preview = TransformPreview(revision_tree)
 
2373
        self.addCleanup(preview.finalize)
 
2374
        preview.new_file('file2', preview.root, 'content B\n', 'file2-id')
 
2375
        preview_tree = preview.get_preview_tree()
 
2376
        self.assertEqual(preview_tree.kind('file2-id'), 'file')
 
2377
        self.assertEqual(
 
2378
            preview_tree.get_file('file2-id').read(), 'content B\n')
 
2379
 
 
2380
    def test_diff_preview_tree(self):
 
2381
        revision_tree = self.create_tree()
 
2382
        preview = TransformPreview(revision_tree)
 
2383
        self.addCleanup(preview.finalize)
 
2384
        preview.new_file('file2', preview.root, 'content B\n', 'file2-id')
 
2385
        preview_tree = preview.get_preview_tree()
 
2386
        out = StringIO()
 
2387
        show_diff_trees(revision_tree, preview_tree, out)
 
2388
        lines = out.getvalue().splitlines()
 
2389
        self.assertEqual(lines[0], "=== added file 'file2'")
 
2390
        # 3 lines of diff administrivia
 
2391
        self.assertEqual(lines[4], "+content B")
 
2392
 
 
2393
    def test_transform_conflicts(self):
 
2394
        revision_tree = self.create_tree()
 
2395
        preview = TransformPreview(revision_tree)
 
2396
        self.addCleanup(preview.finalize)
 
2397
        preview.new_file('a', preview.root, 'content 2')
 
2398
        resolve_conflicts(preview)
 
2399
        trans_id = preview.trans_id_file_id('a-id')
 
2400
        self.assertEqual('a.moved', preview.final_name(trans_id))
 
2401
 
 
2402
    def get_tree_and_preview_tree(self):
 
2403
        revision_tree = self.create_tree()
 
2404
        preview = TransformPreview(revision_tree)
 
2405
        self.addCleanup(preview.finalize)
 
2406
        a_trans_id = preview.trans_id_file_id('a-id')
 
2407
        preview.delete_contents(a_trans_id)
 
2408
        preview.create_file('b content', a_trans_id)
 
2409
        preview_tree = preview.get_preview_tree()
 
2410
        return revision_tree, preview_tree
 
2411
 
 
2412
    def test_iter_changes(self):
 
2413
        revision_tree, preview_tree = self.get_tree_and_preview_tree()
 
2414
        root = revision_tree.inventory.root.file_id
 
2415
        self.assertEqual([('a-id', ('a', 'a'), True, (True, True),
 
2416
                          (root, root), ('a', 'a'), ('file', 'file'),
 
2417
                          (False, False))],
 
2418
                          list(preview_tree.iter_changes(revision_tree)))
 
2419
 
 
2420
    def test_include_unchanged_succeeds(self):
 
2421
        revision_tree, preview_tree = self.get_tree_and_preview_tree()
 
2422
        changes = preview_tree.iter_changes(revision_tree,
 
2423
                                            include_unchanged=True)
 
2424
        root = revision_tree.inventory.root.file_id
 
2425
 
 
2426
        self.assertEqual([ROOT_ENTRY, A_ENTRY], list(changes))
 
2427
 
 
2428
    def test_specific_files(self):
 
2429
        revision_tree, preview_tree = self.get_tree_and_preview_tree()
 
2430
        changes = preview_tree.iter_changes(revision_tree,
 
2431
                                            specific_files=[''])
 
2432
        self.assertEqual([ROOT_ENTRY, A_ENTRY], list(changes))
 
2433
 
 
2434
    def test_want_unversioned(self):
 
2435
        revision_tree, preview_tree = self.get_tree_and_preview_tree()
 
2436
        changes = preview_tree.iter_changes(revision_tree,
 
2437
                                            want_unversioned=True)
 
2438
        self.assertEqual([ROOT_ENTRY, A_ENTRY], list(changes))
 
2439
 
 
2440
    def test_ignore_extra_trees_no_specific_files(self):
 
2441
        # extra_trees is harmless without specific_files, so we'll silently
 
2442
        # accept it, even though we won't use it.
 
2443
        revision_tree, preview_tree = self.get_tree_and_preview_tree()
 
2444
        preview_tree.iter_changes(revision_tree, extra_trees=[preview_tree])
 
2445
 
 
2446
    def test_ignore_require_versioned_no_specific_files(self):
 
2447
        # require_versioned is meaningless without specific_files.
 
2448
        revision_tree, preview_tree = self.get_tree_and_preview_tree()
 
2449
        preview_tree.iter_changes(revision_tree, require_versioned=False)
 
2450
 
 
2451
    def test_ignore_pb(self):
 
2452
        # pb could be supported, but TT.iter_changes doesn't support it.
 
2453
        revision_tree, preview_tree = self.get_tree_and_preview_tree()
 
2454
        preview_tree.iter_changes(revision_tree)
 
2455
 
 
2456
    def test_kind(self):
 
2457
        revision_tree = self.create_tree()
 
2458
        preview = TransformPreview(revision_tree)
 
2459
        self.addCleanup(preview.finalize)
 
2460
        preview.new_file('file', preview.root, 'contents', 'file-id')
 
2461
        preview.new_directory('directory', preview.root, 'dir-id')
 
2462
        preview_tree = preview.get_preview_tree()
 
2463
        self.assertEqual('file', preview_tree.kind('file-id'))
 
2464
        self.assertEqual('directory', preview_tree.kind('dir-id'))
 
2465
 
 
2466
    def test_get_file_mtime(self):
 
2467
        preview = self.get_empty_preview()
 
2468
        file_trans_id = preview.new_file('file', preview.root, 'contents',
 
2469
                                         'file-id')
 
2470
        limbo_path = preview._limbo_name(file_trans_id)
 
2471
        preview_tree = preview.get_preview_tree()
 
2472
        self.assertEqual(os.stat(limbo_path).st_mtime,
 
2473
                         preview_tree.get_file_mtime('file-id'))
 
2474
 
 
2475
    def test_get_file_mtime_renamed(self):
 
2476
        work_tree = self.make_branch_and_tree('tree')
 
2477
        self.build_tree(['tree/file'])
 
2478
        work_tree.add('file', 'file-id')
 
2479
        preview = TransformPreview(work_tree)
 
2480
        self.addCleanup(preview.finalize)
 
2481
        file_trans_id = preview.trans_id_tree_file_id('file-id')
 
2482
        preview.adjust_path('renamed', preview.root, file_trans_id)
 
2483
        preview_tree = preview.get_preview_tree()
 
2484
        preview_mtime = preview_tree.get_file_mtime('file-id', 'renamed')
 
2485
        work_mtime = work_tree.get_file_mtime('file-id', 'file')
 
2486
 
 
2487
    def test_get_file(self):
 
2488
        preview = self.get_empty_preview()
 
2489
        preview.new_file('file', preview.root, 'contents', 'file-id')
 
2490
        preview_tree = preview.get_preview_tree()
 
2491
        tree_file = preview_tree.get_file('file-id')
 
2492
        try:
 
2493
            self.assertEqual('contents', tree_file.read())
 
2494
        finally:
 
2495
            tree_file.close()
 
2496
 
 
2497
    def test_get_symlink_target(self):
 
2498
        self.requireFeature(SymlinkFeature)
 
2499
        preview = self.get_empty_preview()
 
2500
        preview.new_symlink('symlink', preview.root, 'target', 'symlink-id')
 
2501
        preview_tree = preview.get_preview_tree()
 
2502
        self.assertEqual('target',
 
2503
                         preview_tree.get_symlink_target('symlink-id'))
 
2504
 
 
2505
    def test_all_file_ids(self):
 
2506
        tree = self.make_branch_and_tree('tree')
 
2507
        self.build_tree(['tree/a', 'tree/b', 'tree/c'])
 
2508
        tree.add(['a', 'b', 'c'], ['a-id', 'b-id', 'c-id'])
 
2509
        preview = TransformPreview(tree)
 
2510
        self.addCleanup(preview.finalize)
 
2511
        preview.unversion_file(preview.trans_id_file_id('b-id'))
 
2512
        c_trans_id = preview.trans_id_file_id('c-id')
 
2513
        preview.unversion_file(c_trans_id)
 
2514
        preview.version_file('c-id', c_trans_id)
 
2515
        preview_tree = preview.get_preview_tree()
 
2516
        self.assertEqual(set(['a-id', 'c-id', tree.get_root_id()]),
 
2517
                         preview_tree.all_file_ids())
 
2518
 
 
2519
    def test_path2id_deleted_unchanged(self):
 
2520
        tree = self.make_branch_and_tree('tree')
 
2521
        self.build_tree(['tree/unchanged', 'tree/deleted'])
 
2522
        tree.add(['unchanged', 'deleted'], ['unchanged-id', 'deleted-id'])
 
2523
        preview = TransformPreview(tree)
 
2524
        self.addCleanup(preview.finalize)
 
2525
        preview.unversion_file(preview.trans_id_file_id('deleted-id'))
 
2526
        preview_tree = preview.get_preview_tree()
 
2527
        self.assertEqual('unchanged-id', preview_tree.path2id('unchanged'))
 
2528
        self.assertIs(None, preview_tree.path2id('deleted'))
 
2529
 
 
2530
    def test_path2id_created(self):
 
2531
        tree = self.make_branch_and_tree('tree')
 
2532
        self.build_tree(['tree/unchanged'])
 
2533
        tree.add(['unchanged'], ['unchanged-id'])
 
2534
        preview = TransformPreview(tree)
 
2535
        self.addCleanup(preview.finalize)
 
2536
        preview.new_file('new', preview.trans_id_file_id('unchanged-id'),
 
2537
            'contents', 'new-id')
 
2538
        preview_tree = preview.get_preview_tree()
 
2539
        self.assertEqual('new-id', preview_tree.path2id('unchanged/new'))
 
2540
 
 
2541
    def test_path2id_moved(self):
 
2542
        tree = self.make_branch_and_tree('tree')
 
2543
        self.build_tree(['tree/old_parent/', 'tree/old_parent/child'])
 
2544
        tree.add(['old_parent', 'old_parent/child'],
 
2545
                 ['old_parent-id', 'child-id'])
 
2546
        preview = TransformPreview(tree)
 
2547
        self.addCleanup(preview.finalize)
 
2548
        new_parent = preview.new_directory('new_parent', preview.root,
 
2549
                                           'new_parent-id')
 
2550
        preview.adjust_path('child', new_parent,
 
2551
                            preview.trans_id_file_id('child-id'))
 
2552
        preview_tree = preview.get_preview_tree()
 
2553
        self.assertIs(None, preview_tree.path2id('old_parent/child'))
 
2554
        self.assertEqual('child-id', preview_tree.path2id('new_parent/child'))
 
2555
 
 
2556
    def test_path2id_renamed_parent(self):
 
2557
        tree = self.make_branch_and_tree('tree')
 
2558
        self.build_tree(['tree/old_name/', 'tree/old_name/child'])
 
2559
        tree.add(['old_name', 'old_name/child'],
 
2560
                 ['parent-id', 'child-id'])
 
2561
        preview = TransformPreview(tree)
 
2562
        self.addCleanup(preview.finalize)
 
2563
        preview.adjust_path('new_name', preview.root,
 
2564
                            preview.trans_id_file_id('parent-id'))
 
2565
        preview_tree = preview.get_preview_tree()
 
2566
        self.assertIs(None, preview_tree.path2id('old_name/child'))
 
2567
        self.assertEqual('child-id', preview_tree.path2id('new_name/child'))
 
2568
 
 
2569
    def assertMatchingIterEntries(self, tt, specific_file_ids=None):
 
2570
        preview_tree = tt.get_preview_tree()
 
2571
        preview_result = list(preview_tree.iter_entries_by_dir(
 
2572
                              specific_file_ids))
 
2573
        tree = tt._tree
 
2574
        tt.apply()
 
2575
        actual_result = list(tree.iter_entries_by_dir(specific_file_ids))
 
2576
        self.assertEqual(actual_result, preview_result)
 
2577
 
 
2578
    def test_iter_entries_by_dir_new(self):
 
2579
        tree = self.make_branch_and_tree('tree')
 
2580
        tt = TreeTransform(tree)
 
2581
        tt.new_file('new', tt.root, 'contents', 'new-id')
 
2582
        self.assertMatchingIterEntries(tt)
 
2583
 
 
2584
    def test_iter_entries_by_dir_deleted(self):
 
2585
        tree = self.make_branch_and_tree('tree')
 
2586
        self.build_tree(['tree/deleted'])
 
2587
        tree.add('deleted', 'deleted-id')
 
2588
        tt = TreeTransform(tree)
 
2589
        tt.delete_contents(tt.trans_id_file_id('deleted-id'))
 
2590
        self.assertMatchingIterEntries(tt)
 
2591
 
 
2592
    def test_iter_entries_by_dir_unversioned(self):
 
2593
        tree = self.make_branch_and_tree('tree')
 
2594
        self.build_tree(['tree/removed'])
 
2595
        tree.add('removed', 'removed-id')
 
2596
        tt = TreeTransform(tree)
 
2597
        tt.unversion_file(tt.trans_id_file_id('removed-id'))
 
2598
        self.assertMatchingIterEntries(tt)
 
2599
 
 
2600
    def test_iter_entries_by_dir_moved(self):
 
2601
        tree = self.make_branch_and_tree('tree')
 
2602
        self.build_tree(['tree/moved', 'tree/new_parent/'])
 
2603
        tree.add(['moved', 'new_parent'], ['moved-id', 'new_parent-id'])
 
2604
        tt = TreeTransform(tree)
 
2605
        tt.adjust_path('moved', tt.trans_id_file_id('new_parent-id'),
 
2606
                       tt.trans_id_file_id('moved-id'))
 
2607
        self.assertMatchingIterEntries(tt)
 
2608
 
 
2609
    def test_iter_entries_by_dir_specific_file_ids(self):
 
2610
        tree = self.make_branch_and_tree('tree')
 
2611
        tree.set_root_id('tree-root-id')
 
2612
        self.build_tree(['tree/parent/', 'tree/parent/child'])
 
2613
        tree.add(['parent', 'parent/child'], ['parent-id', 'child-id'])
 
2614
        tt = TreeTransform(tree)
 
2615
        self.assertMatchingIterEntries(tt, ['tree-root-id', 'child-id'])
 
2616
 
 
2617
    def test_symlink_content_summary(self):
 
2618
        self.requireFeature(SymlinkFeature)
 
2619
        preview = self.get_empty_preview()
 
2620
        preview.new_symlink('path', preview.root, 'target', 'path-id')
 
2621
        summary = preview.get_preview_tree().path_content_summary('path')
 
2622
        self.assertEqual(('symlink', None, None, 'target'), summary)
 
2623
 
 
2624
    def test_missing_content_summary(self):
 
2625
        preview = self.get_empty_preview()
 
2626
        summary = preview.get_preview_tree().path_content_summary('path')
 
2627
        self.assertEqual(('missing', None, None, None), summary)
 
2628
 
 
2629
    def test_deleted_content_summary(self):
 
2630
        tree = self.make_branch_and_tree('tree')
 
2631
        self.build_tree(['tree/path/'])
 
2632
        tree.add('path')
 
2633
        preview = TransformPreview(tree)
 
2634
        self.addCleanup(preview.finalize)
 
2635
        preview.delete_contents(preview.trans_id_tree_path('path'))
 
2636
        summary = preview.get_preview_tree().path_content_summary('path')
 
2637
        self.assertEqual(('missing', None, None, None), summary)
 
2638
 
 
2639
    def test_file_content_summary_executable(self):
 
2640
        preview = self.get_empty_preview()
 
2641
        path_id = preview.new_file('path', preview.root, 'contents', 'path-id')
 
2642
        preview.set_executability(True, path_id)
 
2643
        summary = preview.get_preview_tree().path_content_summary('path')
 
2644
        self.assertEqual(4, len(summary))
 
2645
        self.assertEqual('file', summary[0])
 
2646
        # size must be known
 
2647
        self.assertEqual(len('contents'), summary[1])
 
2648
        # executable
 
2649
        self.assertEqual(True, summary[2])
 
2650
        # will not have hash (not cheap to determine)
 
2651
        self.assertIs(None, summary[3])
 
2652
 
 
2653
    def test_change_executability(self):
 
2654
        tree = self.make_branch_and_tree('tree')
 
2655
        self.build_tree(['tree/path'])
 
2656
        tree.add('path')
 
2657
        preview = TransformPreview(tree)
 
2658
        self.addCleanup(preview.finalize)
 
2659
        path_id = preview.trans_id_tree_path('path')
 
2660
        preview.set_executability(True, path_id)
 
2661
        summary = preview.get_preview_tree().path_content_summary('path')
 
2662
        self.assertEqual(True, summary[2])
 
2663
 
 
2664
    def test_file_content_summary_non_exec(self):
 
2665
        preview = self.get_empty_preview()
 
2666
        preview.new_file('path', preview.root, 'contents', 'path-id')
 
2667
        summary = preview.get_preview_tree().path_content_summary('path')
 
2668
        self.assertEqual(4, len(summary))
 
2669
        self.assertEqual('file', summary[0])
 
2670
        # size must be known
 
2671
        self.assertEqual(len('contents'), summary[1])
 
2672
        # not executable
 
2673
        self.assertEqual(False, summary[2])
 
2674
        # will not have hash (not cheap to determine)
 
2675
        self.assertIs(None, summary[3])
 
2676
 
 
2677
    def test_dir_content_summary(self):
 
2678
        preview = self.get_empty_preview()
 
2679
        preview.new_directory('path', preview.root, 'path-id')
 
2680
        summary = preview.get_preview_tree().path_content_summary('path')
 
2681
        self.assertEqual(('directory', None, None, None), summary)
 
2682
 
 
2683
    def test_tree_content_summary(self):
 
2684
        preview = self.get_empty_preview()
 
2685
        path = preview.new_directory('path', preview.root, 'path-id')
 
2686
        preview.set_tree_reference('rev-1', path)
 
2687
        summary = preview.get_preview_tree().path_content_summary('path')
 
2688
        self.assertEqual(4, len(summary))
 
2689
        self.assertEqual('tree-reference', summary[0])
 
2690
 
 
2691
    def test_annotate(self):
 
2692
        tree = self.make_branch_and_tree('tree')
 
2693
        self.build_tree_contents([('tree/file', 'a\n')])
 
2694
        tree.add('file', 'file-id')
 
2695
        tree.commit('a', rev_id='one')
 
2696
        self.build_tree_contents([('tree/file', 'a\nb\n')])
 
2697
        preview = TransformPreview(tree)
 
2698
        self.addCleanup(preview.finalize)
 
2699
        file_trans_id = preview.trans_id_file_id('file-id')
 
2700
        preview.delete_contents(file_trans_id)
 
2701
        preview.create_file('a\nb\nc\n', file_trans_id)
 
2702
        preview_tree = preview.get_preview_tree()
 
2703
        expected = [
 
2704
            ('one', 'a\n'),
 
2705
            ('me:', 'b\n'),
 
2706
            ('me:', 'c\n'),
 
2707
        ]
 
2708
        annotation = preview_tree.annotate_iter('file-id', 'me:')
 
2709
        self.assertEqual(expected, annotation)
 
2710
 
 
2711
    def test_annotate_missing(self):
 
2712
        preview = self.get_empty_preview()
 
2713
        preview.new_file('file', preview.root, 'a\nb\nc\n', 'file-id')
 
2714
        preview_tree = preview.get_preview_tree()
 
2715
        expected = [
 
2716
            ('me:', 'a\n'),
 
2717
            ('me:', 'b\n'),
 
2718
            ('me:', 'c\n'),
 
2719
         ]
 
2720
        annotation = preview_tree.annotate_iter('file-id', 'me:')
 
2721
        self.assertEqual(expected, annotation)
 
2722
 
 
2723
    def test_annotate_rename(self):
 
2724
        tree = self.make_branch_and_tree('tree')
 
2725
        self.build_tree_contents([('tree/file', 'a\n')])
 
2726
        tree.add('file', 'file-id')
 
2727
        tree.commit('a', rev_id='one')
 
2728
        preview = TransformPreview(tree)
 
2729
        self.addCleanup(preview.finalize)
 
2730
        file_trans_id = preview.trans_id_file_id('file-id')
 
2731
        preview.adjust_path('newname', preview.root, file_trans_id)
 
2732
        preview_tree = preview.get_preview_tree()
 
2733
        expected = [
 
2734
            ('one', 'a\n'),
 
2735
        ]
 
2736
        annotation = preview_tree.annotate_iter('file-id', 'me:')
 
2737
        self.assertEqual(expected, annotation)
 
2738
 
 
2739
    def test_annotate_deleted(self):
 
2740
        tree = self.make_branch_and_tree('tree')
 
2741
        self.build_tree_contents([('tree/file', 'a\n')])
 
2742
        tree.add('file', 'file-id')
 
2743
        tree.commit('a', rev_id='one')
 
2744
        self.build_tree_contents([('tree/file', 'a\nb\n')])
 
2745
        preview = TransformPreview(tree)
 
2746
        self.addCleanup(preview.finalize)
 
2747
        file_trans_id = preview.trans_id_file_id('file-id')
 
2748
        preview.delete_contents(file_trans_id)
 
2749
        preview_tree = preview.get_preview_tree()
 
2750
        annotation = preview_tree.annotate_iter('file-id', 'me:')
 
2751
        self.assertIs(None, annotation)
 
2752
 
 
2753
    def test_stored_kind(self):
 
2754
        preview = self.get_empty_preview()
 
2755
        preview.new_file('file', preview.root, 'a\nb\nc\n', 'file-id')
 
2756
        preview_tree = preview.get_preview_tree()
 
2757
        self.assertEqual('file', preview_tree.stored_kind('file-id'))
 
2758
 
 
2759
    def test_is_executable(self):
 
2760
        preview = self.get_empty_preview()
 
2761
        preview.new_file('file', preview.root, 'a\nb\nc\n', 'file-id')
 
2762
        preview.set_executability(True, preview.trans_id_file_id('file-id'))
 
2763
        preview_tree = preview.get_preview_tree()
 
2764
        self.assertEqual(True, preview_tree.is_executable('file-id'))
 
2765
 
 
2766
    def test_get_set_parent_ids(self):
 
2767
        revision_tree, preview_tree = self.get_tree_and_preview_tree()
 
2768
        self.assertEqual([], preview_tree.get_parent_ids())
 
2769
        preview_tree.set_parent_ids(['rev-1'])
 
2770
        self.assertEqual(['rev-1'], preview_tree.get_parent_ids())
 
2771
 
 
2772
    def test_plan_file_merge(self):
 
2773
        work_a = self.make_branch_and_tree('wta')
 
2774
        self.build_tree_contents([('wta/file', 'a\nb\nc\nd\n')])
 
2775
        work_a.add('file', 'file-id')
 
2776
        base_id = work_a.commit('base version')
 
2777
        tree_b = work_a.bzrdir.sprout('wtb').open_workingtree()
 
2778
        preview = TransformPreview(work_a)
 
2779
        self.addCleanup(preview.finalize)
 
2780
        trans_id = preview.trans_id_file_id('file-id')
 
2781
        preview.delete_contents(trans_id)
 
2782
        preview.create_file('b\nc\nd\ne\n', trans_id)
 
2783
        self.build_tree_contents([('wtb/file', 'a\nc\nd\nf\n')])
 
2784
        tree_a = preview.get_preview_tree()
 
2785
        tree_a.set_parent_ids([base_id])
 
2786
        self.assertEqual([
 
2787
            ('killed-a', 'a\n'),
 
2788
            ('killed-b', 'b\n'),
 
2789
            ('unchanged', 'c\n'),
 
2790
            ('unchanged', 'd\n'),
 
2791
            ('new-a', 'e\n'),
 
2792
            ('new-b', 'f\n'),
 
2793
        ], list(tree_a.plan_file_merge('file-id', tree_b)))
 
2794
 
 
2795
    def test_plan_file_merge_revision_tree(self):
 
2796
        work_a = self.make_branch_and_tree('wta')
 
2797
        self.build_tree_contents([('wta/file', 'a\nb\nc\nd\n')])
 
2798
        work_a.add('file', 'file-id')
 
2799
        base_id = work_a.commit('base version')
 
2800
        tree_b = work_a.bzrdir.sprout('wtb').open_workingtree()
 
2801
        preview = TransformPreview(work_a.basis_tree())
 
2802
        self.addCleanup(preview.finalize)
 
2803
        trans_id = preview.trans_id_file_id('file-id')
 
2804
        preview.delete_contents(trans_id)
 
2805
        preview.create_file('b\nc\nd\ne\n', trans_id)
 
2806
        self.build_tree_contents([('wtb/file', 'a\nc\nd\nf\n')])
 
2807
        tree_a = preview.get_preview_tree()
 
2808
        tree_a.set_parent_ids([base_id])
 
2809
        self.assertEqual([
 
2810
            ('killed-a', 'a\n'),
 
2811
            ('killed-b', 'b\n'),
 
2812
            ('unchanged', 'c\n'),
 
2813
            ('unchanged', 'd\n'),
 
2814
            ('new-a', 'e\n'),
 
2815
            ('new-b', 'f\n'),
 
2816
        ], list(tree_a.plan_file_merge('file-id', tree_b)))
 
2817
 
 
2818
    def test_walkdirs(self):
 
2819
        preview = self.get_empty_preview()
 
2820
        root = preview.new_directory('', ROOT_PARENT, 'tree-root')
 
2821
        # FIXME: new_directory should mark root.
 
2822
        preview.fixup_new_roots()
 
2823
        preview_tree = preview.get_preview_tree()
 
2824
        file_trans_id = preview.new_file('a', preview.root, 'contents',
 
2825
                                         'a-id')
 
2826
        expected = [(('', 'tree-root'),
 
2827
                    [('a', 'a', 'file', None, 'a-id', 'file')])]
 
2828
        self.assertEqual(expected, list(preview_tree.walkdirs()))
 
2829
 
 
2830
    def test_extras(self):
 
2831
        work_tree = self.make_branch_and_tree('tree')
 
2832
        self.build_tree(['tree/removed-file', 'tree/existing-file',
 
2833
                         'tree/not-removed-file'])
 
2834
        work_tree.add(['removed-file', 'not-removed-file'])
 
2835
        preview = TransformPreview(work_tree)
 
2836
        self.addCleanup(preview.finalize)
 
2837
        preview.new_file('new-file', preview.root, 'contents')
 
2838
        preview.new_file('new-versioned-file', preview.root, 'contents',
 
2839
                         'new-versioned-id')
 
2840
        tree = preview.get_preview_tree()
 
2841
        preview.unversion_file(preview.trans_id_tree_path('removed-file'))
 
2842
        self.assertEqual(set(['new-file', 'removed-file', 'existing-file']),
 
2843
                         set(tree.extras()))
 
2844
 
 
2845
    def test_merge_into_preview(self):
 
2846
        work_tree = self.make_branch_and_tree('tree')
 
2847
        self.build_tree_contents([('tree/file','b\n')])
 
2848
        work_tree.add('file', 'file-id')
 
2849
        work_tree.commit('first commit')
 
2850
        child_tree = work_tree.bzrdir.sprout('child').open_workingtree()
 
2851
        self.build_tree_contents([('child/file','b\nc\n')])
 
2852
        child_tree.commit('child commit')
 
2853
        child_tree.lock_write()
 
2854
        self.addCleanup(child_tree.unlock)
 
2855
        work_tree.lock_write()
 
2856
        self.addCleanup(work_tree.unlock)
 
2857
        preview = TransformPreview(work_tree)
 
2858
        self.addCleanup(preview.finalize)
 
2859
        file_trans_id = preview.trans_id_file_id('file-id')
 
2860
        preview.delete_contents(file_trans_id)
 
2861
        preview.create_file('a\nb\n', file_trans_id)
 
2862
        preview_tree = preview.get_preview_tree()
 
2863
        merger = Merger.from_revision_ids(None, preview_tree,
 
2864
                                          child_tree.branch.last_revision(),
 
2865
                                          other_branch=child_tree.branch,
 
2866
                                          tree_branch=work_tree.branch)
 
2867
        merger.merge_type = Merge3Merger
 
2868
        tt = merger.make_merger().make_preview_transform()
 
2869
        self.addCleanup(tt.finalize)
 
2870
        final_tree = tt.get_preview_tree()
 
2871
        self.assertEqual('a\nb\nc\n', final_tree.get_file_text('file-id'))
 
2872
 
 
2873
    def test_merge_preview_into_workingtree(self):
 
2874
        tree = self.make_branch_and_tree('tree')
 
2875
        tree.set_root_id('TREE_ROOT')
 
2876
        tt = TransformPreview(tree)
 
2877
        self.addCleanup(tt.finalize)
 
2878
        tt.new_file('name', tt.root, 'content', 'file-id')
 
2879
        tree2 = self.make_branch_and_tree('tree2')
 
2880
        tree2.set_root_id('TREE_ROOT')
 
2881
        merger = Merger.from_uncommitted(tree2, tt.get_preview_tree(),
 
2882
                                         None, tree.basis_tree())
 
2883
        merger.merge_type = Merge3Merger
 
2884
        merger.do_merge()
 
2885
 
 
2886
    def test_merge_preview_into_workingtree_handles_conflicts(self):
 
2887
        tree = self.make_branch_and_tree('tree')
 
2888
        self.build_tree_contents([('tree/foo', 'bar')])
 
2889
        tree.add('foo', 'foo-id')
 
2890
        tree.commit('foo')
 
2891
        tt = TransformPreview(tree)
 
2892
        self.addCleanup(tt.finalize)
 
2893
        trans_id = tt.trans_id_file_id('foo-id')
 
2894
        tt.delete_contents(trans_id)
 
2895
        tt.create_file('baz', trans_id)
 
2896
        tree2 = tree.bzrdir.sprout('tree2').open_workingtree()
 
2897
        self.build_tree_contents([('tree2/foo', 'qux')])
 
2898
        pb = None
 
2899
        merger = Merger.from_uncommitted(tree2, tt.get_preview_tree(),
 
2900
                                         pb, tree.basis_tree())
 
2901
        merger.merge_type = Merge3Merger
 
2902
        merger.do_merge()
 
2903
 
 
2904
    def test_is_executable(self):
 
2905
        tree = self.make_branch_and_tree('tree')
 
2906
        preview = TransformPreview(tree)
 
2907
        self.addCleanup(preview.finalize)
 
2908
        preview.new_file('foo', preview.root, 'bar', 'baz-id')
 
2909
        preview_tree = preview.get_preview_tree()
 
2910
        self.assertEqual(False, preview_tree.is_executable('baz-id',
 
2911
                                                           'tree/foo'))
 
2912
        self.assertEqual(False, preview_tree.is_executable('baz-id'))
 
2913
 
 
2914
    def test_commit_preview_tree(self):
 
2915
        tree = self.make_branch_and_tree('tree')
 
2916
        rev_id = tree.commit('rev1')
 
2917
        tree.branch.lock_write()
 
2918
        self.addCleanup(tree.branch.unlock)
 
2919
        tt = TransformPreview(tree)
 
2920
        tt.new_file('file', tt.root, 'contents', 'file_id')
 
2921
        self.addCleanup(tt.finalize)
 
2922
        preview = tt.get_preview_tree()
 
2923
        preview.set_parent_ids([rev_id])
 
2924
        builder = tree.branch.get_commit_builder([rev_id])
 
2925
        list(builder.record_iter_changes(preview, rev_id, tt.iter_changes()))
 
2926
        builder.finish_inventory()
 
2927
        rev2_id = builder.commit('rev2')
 
2928
        rev2_tree = tree.branch.repository.revision_tree(rev2_id)
 
2929
        self.assertEqual('contents', rev2_tree.get_file_text('file_id'))
 
2930
 
 
2931
    def test_ascii_limbo_paths(self):
 
2932
        self.requireFeature(tests.UnicodeFilenameFeature)
 
2933
        branch = self.make_branch('any')
 
2934
        tree = branch.repository.revision_tree(_mod_revision.NULL_REVISION)
 
2935
        tt = TransformPreview(tree)
 
2936
        self.addCleanup(tt.finalize)
 
2937
        foo_id = tt.new_directory('', ROOT_PARENT)
 
2938
        bar_id = tt.new_file(u'\u1234bar', foo_id, 'contents')
 
2939
        limbo_path = tt._limbo_name(bar_id)
 
2940
        self.assertEqual(limbo_path.encode('ascii', 'replace'), limbo_path)
 
2941
 
 
2942
 
 
2943
class FakeSerializer(object):
 
2944
    """Serializer implementation that simply returns the input.
 
2945
 
 
2946
    The input is returned in the order used by pack.ContainerPushParser.
 
2947
    """
 
2948
    @staticmethod
 
2949
    def bytes_record(bytes, names):
 
2950
        return names, bytes
 
2951
 
 
2952
 
 
2953
class TestSerializeTransform(tests.TestCaseWithTransport):
 
2954
 
 
2955
    _test_needs_features = [tests.UnicodeFilenameFeature]
 
2956
 
 
2957
    def get_preview(self, tree=None):
 
2958
        if tree is None:
 
2959
            tree = self.make_branch_and_tree('tree')
 
2960
        tt = TransformPreview(tree)
 
2961
        self.addCleanup(tt.finalize)
 
2962
        return tt
 
2963
 
 
2964
    def assertSerializesTo(self, expected, tt):
 
2965
        records = list(tt.serialize(FakeSerializer()))
 
2966
        self.assertEqual(expected, records)
 
2967
 
 
2968
    @staticmethod
 
2969
    def default_attribs():
 
2970
        return {
 
2971
            '_id_number': 1,
 
2972
            '_new_name': {},
 
2973
            '_new_parent': {},
 
2974
            '_new_executability': {},
 
2975
            '_new_id': {},
 
2976
            '_tree_path_ids': {'': 'new-0'},
 
2977
            '_removed_id': [],
 
2978
            '_removed_contents': [],
 
2979
            '_non_present_ids': {},
 
2980
            }
 
2981
 
 
2982
    def make_records(self, attribs, contents):
 
2983
        records = [
 
2984
            (((('attribs'),),), bencode.bencode(attribs))]
 
2985
        records.extend([(((n, k),), c) for n, k, c in contents])
 
2986
        return records
 
2987
 
 
2988
    def creation_records(self):
 
2989
        attribs = self.default_attribs()
 
2990
        attribs['_id_number'] = 3
 
2991
        attribs['_new_name'] = {
 
2992
            'new-1': u'foo\u1234'.encode('utf-8'), 'new-2': 'qux'}
 
2993
        attribs['_new_id'] = {'new-1': 'baz', 'new-2': 'quxx'}
 
2994
        attribs['_new_parent'] = {'new-1': 'new-0', 'new-2': 'new-0'}
 
2995
        attribs['_new_executability'] = {'new-1': 1}
 
2996
        contents = [
 
2997
            ('new-1', 'file', 'i 1\nbar\n'),
 
2998
            ('new-2', 'directory', ''),
 
2999
            ]
 
3000
        return self.make_records(attribs, contents)
 
3001
 
 
3002
    def test_serialize_creation(self):
 
3003
        tt = self.get_preview()
 
3004
        tt.new_file(u'foo\u1234', tt.root, 'bar', 'baz', True)
 
3005
        tt.new_directory('qux', tt.root, 'quxx')
 
3006
        self.assertSerializesTo(self.creation_records(), tt)
 
3007
 
 
3008
    def test_deserialize_creation(self):
 
3009
        tt = self.get_preview()
 
3010
        tt.deserialize(iter(self.creation_records()))
 
3011
        self.assertEqual(3, tt._id_number)
 
3012
        self.assertEqual({'new-1': u'foo\u1234',
 
3013
                          'new-2': 'qux'}, tt._new_name)
 
3014
        self.assertEqual({'new-1': 'baz', 'new-2': 'quxx'}, tt._new_id)
 
3015
        self.assertEqual({'new-1': tt.root, 'new-2': tt.root}, tt._new_parent)
 
3016
        self.assertEqual({'baz': 'new-1', 'quxx': 'new-2'}, tt._r_new_id)
 
3017
        self.assertEqual({'new-1': True}, tt._new_executability)
 
3018
        self.assertEqual({'new-1': 'file',
 
3019
                          'new-2': 'directory'}, tt._new_contents)
 
3020
        foo_limbo = open(tt._limbo_name('new-1'), 'rb')
 
3021
        try:
 
3022
            foo_content = foo_limbo.read()
 
3023
        finally:
 
3024
            foo_limbo.close()
 
3025
        self.assertEqual('bar', foo_content)
 
3026
 
 
3027
    def symlink_creation_records(self):
 
3028
        attribs = self.default_attribs()
 
3029
        attribs['_id_number'] = 2
 
3030
        attribs['_new_name'] = {'new-1': u'foo\u1234'.encode('utf-8')}
 
3031
        attribs['_new_parent'] = {'new-1': 'new-0'}
 
3032
        contents = [('new-1', 'symlink', u'bar\u1234'.encode('utf-8'))]
 
3033
        return self.make_records(attribs, contents)
 
3034
 
 
3035
    def test_serialize_symlink_creation(self):
 
3036
        self.requireFeature(tests.SymlinkFeature)
 
3037
        tt = self.get_preview()
 
3038
        tt.new_symlink(u'foo\u1234', tt.root, u'bar\u1234')
 
3039
        self.assertSerializesTo(self.symlink_creation_records(), tt)
 
3040
 
 
3041
    def test_deserialize_symlink_creation(self):
 
3042
        self.requireFeature(tests.SymlinkFeature)
 
3043
        tt = self.get_preview()
 
3044
        tt.deserialize(iter(self.symlink_creation_records()))
 
3045
        abspath = tt._limbo_name('new-1')
 
3046
        foo_content = osutils.readlink(abspath)
 
3047
        self.assertEqual(u'bar\u1234', foo_content)
 
3048
 
 
3049
    def make_destruction_preview(self):
 
3050
        tree = self.make_branch_and_tree('.')
 
3051
        self.build_tree([u'foo\u1234', 'bar'])
 
3052
        tree.add([u'foo\u1234', 'bar'], ['foo-id', 'bar-id'])
 
3053
        return self.get_preview(tree)
 
3054
 
 
3055
    def destruction_records(self):
 
3056
        attribs = self.default_attribs()
 
3057
        attribs['_id_number'] = 3
 
3058
        attribs['_removed_id'] = ['new-1']
 
3059
        attribs['_removed_contents'] = ['new-2']
 
3060
        attribs['_tree_path_ids'] = {
 
3061
            '': 'new-0',
 
3062
            u'foo\u1234'.encode('utf-8'): 'new-1',
 
3063
            'bar': 'new-2',
 
3064
            }
 
3065
        return self.make_records(attribs, [])
 
3066
 
 
3067
    def test_serialize_destruction(self):
 
3068
        tt = self.make_destruction_preview()
 
3069
        foo_trans_id = tt.trans_id_tree_file_id('foo-id')
 
3070
        tt.unversion_file(foo_trans_id)
 
3071
        bar_trans_id = tt.trans_id_tree_file_id('bar-id')
 
3072
        tt.delete_contents(bar_trans_id)
 
3073
        self.assertSerializesTo(self.destruction_records(), tt)
 
3074
 
 
3075
    def test_deserialize_destruction(self):
 
3076
        tt = self.make_destruction_preview()
 
3077
        tt.deserialize(iter(self.destruction_records()))
 
3078
        self.assertEqual({u'foo\u1234': 'new-1',
 
3079
                          'bar': 'new-2',
 
3080
                          '': tt.root}, tt._tree_path_ids)
 
3081
        self.assertEqual({'new-1': u'foo\u1234',
 
3082
                          'new-2': 'bar',
 
3083
                          tt.root: ''}, tt._tree_id_paths)
 
3084
        self.assertEqual(set(['new-1']), tt._removed_id)
 
3085
        self.assertEqual(set(['new-2']), tt._removed_contents)
 
3086
 
 
3087
    def missing_records(self):
 
3088
        attribs = self.default_attribs()
 
3089
        attribs['_id_number'] = 2
 
3090
        attribs['_non_present_ids'] = {
 
3091
            'boo': 'new-1',}
 
3092
        return self.make_records(attribs, [])
 
3093
 
 
3094
    def test_serialize_missing(self):
 
3095
        tt = self.get_preview()
 
3096
        boo_trans_id = tt.trans_id_file_id('boo')
 
3097
        self.assertSerializesTo(self.missing_records(), tt)
 
3098
 
 
3099
    def test_deserialize_missing(self):
 
3100
        tt = self.get_preview()
 
3101
        tt.deserialize(iter(self.missing_records()))
 
3102
        self.assertEqual({'boo': 'new-1'}, tt._non_present_ids)
 
3103
 
 
3104
    def make_modification_preview(self):
 
3105
        LINES_ONE = 'aa\nbb\ncc\ndd\n'
 
3106
        LINES_TWO = 'z\nbb\nx\ndd\n'
 
3107
        tree = self.make_branch_and_tree('tree')
 
3108
        self.build_tree_contents([('tree/file', LINES_ONE)])
 
3109
        tree.add('file', 'file-id')
 
3110
        return self.get_preview(tree), LINES_TWO
 
3111
 
 
3112
    def modification_records(self):
 
3113
        attribs = self.default_attribs()
 
3114
        attribs['_id_number'] = 2
 
3115
        attribs['_tree_path_ids'] = {
 
3116
            'file': 'new-1',
 
3117
            '': 'new-0',}
 
3118
        attribs['_removed_contents'] = ['new-1']
 
3119
        contents = [('new-1', 'file',
 
3120
                     'i 1\nz\n\nc 0 1 1 1\ni 1\nx\n\nc 0 3 3 1\n')]
 
3121
        return self.make_records(attribs, contents)
 
3122
 
 
3123
    def test_serialize_modification(self):
 
3124
        tt, LINES = self.make_modification_preview()
 
3125
        trans_id = tt.trans_id_file_id('file-id')
 
3126
        tt.delete_contents(trans_id)
 
3127
        tt.create_file(LINES, trans_id)
 
3128
        self.assertSerializesTo(self.modification_records(), tt)
 
3129
 
 
3130
    def test_deserialize_modification(self):
 
3131
        tt, LINES = self.make_modification_preview()
 
3132
        tt.deserialize(iter(self.modification_records()))
 
3133
        self.assertFileEqual(LINES, tt._limbo_name('new-1'))
 
3134
 
 
3135
    def make_kind_change_preview(self):
 
3136
        LINES = 'a\nb\nc\nd\n'
 
3137
        tree = self.make_branch_and_tree('tree')
 
3138
        self.build_tree(['tree/foo/'])
 
3139
        tree.add('foo', 'foo-id')
 
3140
        return self.get_preview(tree), LINES
 
3141
 
 
3142
    def kind_change_records(self):
 
3143
        attribs = self.default_attribs()
 
3144
        attribs['_id_number'] = 2
 
3145
        attribs['_tree_path_ids'] = {
 
3146
            'foo': 'new-1',
 
3147
            '': 'new-0',}
 
3148
        attribs['_removed_contents'] = ['new-1']
 
3149
        contents = [('new-1', 'file',
 
3150
                     'i 4\na\nb\nc\nd\n\n')]
 
3151
        return self.make_records(attribs, contents)
 
3152
 
 
3153
    def test_serialize_kind_change(self):
 
3154
        tt, LINES = self.make_kind_change_preview()
 
3155
        trans_id = tt.trans_id_file_id('foo-id')
 
3156
        tt.delete_contents(trans_id)
 
3157
        tt.create_file(LINES, trans_id)
 
3158
        self.assertSerializesTo(self.kind_change_records(), tt)
 
3159
 
 
3160
    def test_deserialize_kind_change(self):
 
3161
        tt, LINES = self.make_kind_change_preview()
 
3162
        tt.deserialize(iter(self.kind_change_records()))
 
3163
        self.assertFileEqual(LINES, tt._limbo_name('new-1'))
 
3164
 
 
3165
    def make_add_contents_preview(self):
 
3166
        LINES = 'a\nb\nc\nd\n'
 
3167
        tree = self.make_branch_and_tree('tree')
 
3168
        self.build_tree(['tree/foo'])
 
3169
        tree.add('foo')
 
3170
        os.unlink('tree/foo')
 
3171
        return self.get_preview(tree), LINES
 
3172
 
 
3173
    def add_contents_records(self):
 
3174
        attribs = self.default_attribs()
 
3175
        attribs['_id_number'] = 2
 
3176
        attribs['_tree_path_ids'] = {
 
3177
            'foo': 'new-1',
 
3178
            '': 'new-0',}
 
3179
        contents = [('new-1', 'file',
 
3180
                     'i 4\na\nb\nc\nd\n\n')]
 
3181
        return self.make_records(attribs, contents)
 
3182
 
 
3183
    def test_serialize_add_contents(self):
 
3184
        tt, LINES = self.make_add_contents_preview()
 
3185
        trans_id = tt.trans_id_tree_path('foo')
 
3186
        tt.create_file(LINES, trans_id)
 
3187
        self.assertSerializesTo(self.add_contents_records(), tt)
 
3188
 
 
3189
    def test_deserialize_add_contents(self):
 
3190
        tt, LINES = self.make_add_contents_preview()
 
3191
        tt.deserialize(iter(self.add_contents_records()))
 
3192
        self.assertFileEqual(LINES, tt._limbo_name('new-1'))
 
3193
 
 
3194
    def test_get_parents_lines(self):
 
3195
        LINES_ONE = 'aa\nbb\ncc\ndd\n'
 
3196
        LINES_TWO = 'z\nbb\nx\ndd\n'
 
3197
        tree = self.make_branch_and_tree('tree')
 
3198
        self.build_tree_contents([('tree/file', LINES_ONE)])
 
3199
        tree.add('file', 'file-id')
 
3200
        tt = self.get_preview(tree)
 
3201
        trans_id = tt.trans_id_tree_path('file')
 
3202
        self.assertEqual((['aa\n', 'bb\n', 'cc\n', 'dd\n'],),
 
3203
            tt._get_parents_lines(trans_id))
 
3204
 
 
3205
    def test_get_parents_texts(self):
 
3206
        LINES_ONE = 'aa\nbb\ncc\ndd\n'
 
3207
        LINES_TWO = 'z\nbb\nx\ndd\n'
 
3208
        tree = self.make_branch_and_tree('tree')
 
3209
        self.build_tree_contents([('tree/file', LINES_ONE)])
 
3210
        tree.add('file', 'file-id')
 
3211
        tt = self.get_preview(tree)
 
3212
        trans_id = tt.trans_id_tree_path('file')
 
3213
        self.assertEqual((LINES_ONE,),
 
3214
            tt._get_parents_texts(trans_id))