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  • Committer: Andrew Bennetts
  • Date: 2010-10-13 00:26:41 UTC
  • mto: This revision was merged to the branch mainline in revision 5498.
  • Revision ID: andrew.bennetts@canonical.com-20101013002641-9tlh9k89mlj1666m
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1
# 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(root, transform.get_tree_parent(imaginary_id))
 
127
        self.assertEqual('directory', transform.final_kind(root))
 
128
        self.assertEqual(self.wt.get_root_id(), transform.final_file_id(root))
 
129
        trans_id = transform.create_path('name', root)
 
130
        self.assertIs(transform.final_file_id(trans_id), None)
 
131
        self.assertIs(None, 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
        if os.name == "posix" and sys.platform != "cygwin":
 
863
            # posix filesystems fail on renaming if the readonly bit is set
 
864
            osutils.make_readonly(self.wt.abspath('first-dir'))
 
865
        elif os.name == "nt":
 
866
            # windows filesystems fail on renaming open files
 
867
            self.addCleanup(file(self.wt.abspath('myfile')).close)
 
868
        else:
 
869
            self.skip("Don't know how to force a permissions error on rename")
 
870
        # now transform to rename
 
871
        rename_transform, root_id = self.get_transform()
 
872
        file_trans_id = rename_transform.trans_id_file_id('myfile-id')
 
873
        dir_id = rename_transform.trans_id_file_id('first-id')
 
874
        rename_transform.adjust_path('newname', dir_id, file_trans_id)
 
875
        e = self.assertRaises(errors.TransformRenameFailed,
 
876
            rename_transform.apply)
 
877
        # On nix looks like: 
 
878
        # "Failed to rename .../work/.bzr/checkout/limbo/new-1
 
879
        # to .../first-dir/newname: [Errno 13] Permission denied"
 
880
        # On windows looks like:
 
881
        # "Failed to rename .../work/myfile to 
 
882
        # .../work/.bzr/checkout/limbo/new-1: [Errno 13] Permission denied"
 
883
        # The strerror will vary per OS and language so it's not checked here
 
884
        self.assertContainsRe(str(e),
 
885
            "Failed to rename .*(first-dir.newname:|myfile)")
 
886
 
 
887
    def test_set_executability_order(self):
 
888
        """Ensure that executability behaves the same, no matter what order.
 
889
 
 
890
        - create file and set executability simultaneously
 
891
        - create file and set executability afterward
 
892
        - unsetting the executability of a file whose executability has not been
 
893
        declared should throw an exception (this may happen when a
 
894
        merge attempts to create a file with a duplicate ID)
 
895
        """
 
896
        transform, root = self.get_transform()
 
897
        wt = transform._tree
 
898
        wt.lock_read()
 
899
        self.addCleanup(wt.unlock)
 
900
        transform.new_file('set_on_creation', root, 'Set on creation', 'soc',
 
901
                           True)
 
902
        sac = transform.new_file('set_after_creation', root,
 
903
                                 'Set after creation', 'sac')
 
904
        transform.set_executability(True, sac)
 
905
        uws = transform.new_file('unset_without_set', root, 'Unset badly',
 
906
                                 'uws')
 
907
        self.assertRaises(KeyError, transform.set_executability, None, uws)
 
908
        transform.apply()
 
909
        self.assertTrue(wt.is_executable('soc'))
 
910
        self.assertTrue(wt.is_executable('sac'))
 
911
 
 
912
    def test_preserve_mode(self):
 
913
        """File mode is preserved when replacing content"""
 
914
        if sys.platform == 'win32':
 
915
            raise TestSkipped('chmod has no effect on win32')
 
916
        transform, root = self.get_transform()
 
917
        transform.new_file('file1', root, 'contents', 'file1-id', True)
 
918
        transform.apply()
 
919
        self.wt.lock_write()
 
920
        self.addCleanup(self.wt.unlock)
 
921
        self.assertTrue(self.wt.is_executable('file1-id'))
 
922
        transform, root = self.get_transform()
 
923
        file1_id = transform.trans_id_tree_file_id('file1-id')
 
924
        transform.delete_contents(file1_id)
 
925
        transform.create_file('contents2', file1_id)
 
926
        transform.apply()
 
927
        self.assertTrue(self.wt.is_executable('file1-id'))
 
928
 
 
929
    def test__set_mode_stats_correctly(self):
 
930
        """_set_mode stats to determine file mode."""
 
931
        if sys.platform == 'win32':
 
932
            raise TestSkipped('chmod has no effect on win32')
 
933
 
 
934
        stat_paths = []
 
935
        real_stat = os.stat
 
936
        def instrumented_stat(path):
 
937
            stat_paths.append(path)
 
938
            return real_stat(path)
 
939
 
 
940
        transform, root = self.get_transform()
 
941
 
 
942
        bar1_id = transform.new_file('bar', root, 'bar contents 1\n',
 
943
                                     file_id='bar-id-1', executable=False)
 
944
        transform.apply()
 
945
 
 
946
        transform, root = self.get_transform()
 
947
        bar1_id = transform.trans_id_tree_path('bar')
 
948
        bar2_id = transform.trans_id_tree_path('bar2')
 
949
        try:
 
950
            os.stat = instrumented_stat
 
951
            transform.create_file('bar2 contents\n', bar2_id, mode_id=bar1_id)
 
952
        finally:
 
953
            os.stat = real_stat
 
954
            transform.finalize()
 
955
 
 
956
        bar1_abspath = self.wt.abspath('bar')
 
957
        self.assertEqual([bar1_abspath], stat_paths)
 
958
 
 
959
    def test_iter_changes(self):
 
960
        self.wt.set_root_id('eert_toor')
 
961
        transform, root = self.get_transform()
 
962
        transform.new_file('old', root, 'blah', 'id-1', True)
 
963
        transform.apply()
 
964
        transform, root = self.get_transform()
 
965
        try:
 
966
            self.assertEqual([], list(transform.iter_changes()))
 
967
            old = transform.trans_id_tree_file_id('id-1')
 
968
            transform.unversion_file(old)
 
969
            self.assertEqual([('id-1', ('old', None), False, (True, False),
 
970
                ('eert_toor', 'eert_toor'), ('old', 'old'), ('file', 'file'),
 
971
                (True, True))], list(transform.iter_changes()))
 
972
            transform.new_directory('new', root, 'id-1')
 
973
            self.assertEqual([('id-1', ('old', 'new'), True, (True, True),
 
974
                ('eert_toor', 'eert_toor'), ('old', 'new'),
 
975
                ('file', 'directory'),
 
976
                (True, False))], list(transform.iter_changes()))
 
977
        finally:
 
978
            transform.finalize()
 
979
 
 
980
    def test_iter_changes_new(self):
 
981
        self.wt.set_root_id('eert_toor')
 
982
        transform, root = self.get_transform()
 
983
        transform.new_file('old', root, 'blah')
 
984
        transform.apply()
 
985
        transform, root = self.get_transform()
 
986
        try:
 
987
            old = transform.trans_id_tree_path('old')
 
988
            transform.version_file('id-1', old)
 
989
            self.assertEqual([('id-1', (None, 'old'), False, (False, True),
 
990
                ('eert_toor', 'eert_toor'), ('old', 'old'), ('file', 'file'),
 
991
                (False, False))], list(transform.iter_changes()))
 
992
        finally:
 
993
            transform.finalize()
 
994
 
 
995
    def test_iter_changes_modifications(self):
 
996
        self.wt.set_root_id('eert_toor')
 
997
        transform, root = self.get_transform()
 
998
        transform.new_file('old', root, 'blah', 'id-1')
 
999
        transform.new_file('new', root, 'blah')
 
1000
        transform.new_directory('subdir', root, 'subdir-id')
 
1001
        transform.apply()
 
1002
        transform, root = self.get_transform()
 
1003
        try:
 
1004
            old = transform.trans_id_tree_path('old')
 
1005
            subdir = transform.trans_id_tree_file_id('subdir-id')
 
1006
            new = transform.trans_id_tree_path('new')
 
1007
            self.assertEqual([], list(transform.iter_changes()))
 
1008
 
 
1009
            #content deletion
 
1010
            transform.delete_contents(old)
 
1011
            self.assertEqual([('id-1', ('old', 'old'), True, (True, True),
 
1012
                ('eert_toor', 'eert_toor'), ('old', 'old'), ('file', None),
 
1013
                (False, False))], list(transform.iter_changes()))
 
1014
 
 
1015
            #content change
 
1016
            transform.create_file('blah', old)
 
1017
            self.assertEqual([('id-1', ('old', 'old'), True, (True, True),
 
1018
                ('eert_toor', 'eert_toor'), ('old', 'old'), ('file', 'file'),
 
1019
                (False, False))], list(transform.iter_changes()))
 
1020
            transform.cancel_deletion(old)
 
1021
            self.assertEqual([('id-1', ('old', 'old'), True, (True, True),
 
1022
                ('eert_toor', 'eert_toor'), ('old', 'old'), ('file', 'file'),
 
1023
                (False, False))], list(transform.iter_changes()))
 
1024
            transform.cancel_creation(old)
 
1025
 
 
1026
            # move file_id to a different file
 
1027
            self.assertEqual([], list(transform.iter_changes()))
 
1028
            transform.unversion_file(old)
 
1029
            transform.version_file('id-1', new)
 
1030
            transform.adjust_path('old', root, new)
 
1031
            self.assertEqual([('id-1', ('old', 'old'), True, (True, True),
 
1032
                ('eert_toor', 'eert_toor'), ('old', 'old'), ('file', 'file'),
 
1033
                (False, False))], list(transform.iter_changes()))
 
1034
            transform.cancel_versioning(new)
 
1035
            transform._removed_id = set()
 
1036
 
 
1037
            #execute bit
 
1038
            self.assertEqual([], list(transform.iter_changes()))
 
1039
            transform.set_executability(True, old)
 
1040
            self.assertEqual([('id-1', ('old', 'old'), False, (True, True),
 
1041
                ('eert_toor', 'eert_toor'), ('old', 'old'), ('file', 'file'),
 
1042
                (False, True))], list(transform.iter_changes()))
 
1043
            transform.set_executability(None, old)
 
1044
 
 
1045
            # filename
 
1046
            self.assertEqual([], list(transform.iter_changes()))
 
1047
            transform.adjust_path('new', root, old)
 
1048
            transform._new_parent = {}
 
1049
            self.assertEqual([('id-1', ('old', 'new'), False, (True, True),
 
1050
                ('eert_toor', 'eert_toor'), ('old', 'new'), ('file', 'file'),
 
1051
                (False, False))], list(transform.iter_changes()))
 
1052
            transform._new_name = {}
 
1053
 
 
1054
            # parent directory
 
1055
            self.assertEqual([], list(transform.iter_changes()))
 
1056
            transform.adjust_path('new', subdir, old)
 
1057
            transform._new_name = {}
 
1058
            self.assertEqual([('id-1', ('old', 'subdir/old'), False,
 
1059
                (True, True), ('eert_toor', 'subdir-id'), ('old', 'old'),
 
1060
                ('file', 'file'), (False, False))],
 
1061
                list(transform.iter_changes()))
 
1062
            transform._new_path = {}
 
1063
 
 
1064
        finally:
 
1065
            transform.finalize()
 
1066
 
 
1067
    def test_iter_changes_modified_bleed(self):
 
1068
        self.wt.set_root_id('eert_toor')
 
1069
        """Modified flag should not bleed from one change to another"""
 
1070
        # unfortunately, we have no guarantee that file1 (which is modified)
 
1071
        # will be applied before file2.  And if it's applied after file2, it
 
1072
        # obviously can't bleed into file2's change output.  But for now, it
 
1073
        # works.
 
1074
        transform, root = self.get_transform()
 
1075
        transform.new_file('file1', root, 'blah', 'id-1')
 
1076
        transform.new_file('file2', root, 'blah', 'id-2')
 
1077
        transform.apply()
 
1078
        transform, root = self.get_transform()
 
1079
        try:
 
1080
            transform.delete_contents(transform.trans_id_file_id('id-1'))
 
1081
            transform.set_executability(True,
 
1082
            transform.trans_id_file_id('id-2'))
 
1083
            self.assertEqual([('id-1', (u'file1', u'file1'), True, (True, True),
 
1084
                ('eert_toor', 'eert_toor'), ('file1', u'file1'),
 
1085
                ('file', None), (False, False)),
 
1086
                ('id-2', (u'file2', u'file2'), False, (True, True),
 
1087
                ('eert_toor', 'eert_toor'), ('file2', u'file2'),
 
1088
                ('file', 'file'), (False, True))],
 
1089
                list(transform.iter_changes()))
 
1090
        finally:
 
1091
            transform.finalize()
 
1092
 
 
1093
    def test_iter_changes_move_missing(self):
 
1094
        """Test moving ids with no files around"""
 
1095
        self.wt.set_root_id('toor_eert')
 
1096
        # Need two steps because versioning a non-existant file is a conflict.
 
1097
        transform, root = self.get_transform()
 
1098
        transform.new_directory('floater', root, 'floater-id')
 
1099
        transform.apply()
 
1100
        transform, root = self.get_transform()
 
1101
        transform.delete_contents(transform.trans_id_tree_path('floater'))
 
1102
        transform.apply()
 
1103
        transform, root = self.get_transform()
 
1104
        floater = transform.trans_id_tree_path('floater')
 
1105
        try:
 
1106
            transform.adjust_path('flitter', root, floater)
 
1107
            self.assertEqual([('floater-id', ('floater', 'flitter'), False,
 
1108
            (True, True), ('toor_eert', 'toor_eert'), ('floater', 'flitter'),
 
1109
            (None, None), (False, False))], list(transform.iter_changes()))
 
1110
        finally:
 
1111
            transform.finalize()
 
1112
 
 
1113
    def test_iter_changes_pointless(self):
 
1114
        """Ensure that no-ops are not treated as modifications"""
 
1115
        self.wt.set_root_id('eert_toor')
 
1116
        transform, root = self.get_transform()
 
1117
        transform.new_file('old', root, 'blah', 'id-1')
 
1118
        transform.new_directory('subdir', root, 'subdir-id')
 
1119
        transform.apply()
 
1120
        transform, root = self.get_transform()
 
1121
        try:
 
1122
            old = transform.trans_id_tree_path('old')
 
1123
            subdir = transform.trans_id_tree_file_id('subdir-id')
 
1124
            self.assertEqual([], list(transform.iter_changes()))
 
1125
            transform.delete_contents(subdir)
 
1126
            transform.create_directory(subdir)
 
1127
            transform.set_executability(False, old)
 
1128
            transform.unversion_file(old)
 
1129
            transform.version_file('id-1', old)
 
1130
            transform.adjust_path('old', root, old)
 
1131
            self.assertEqual([], list(transform.iter_changes()))
 
1132
        finally:
 
1133
            transform.finalize()
 
1134
 
 
1135
    def test_rename_count(self):
 
1136
        transform, root = self.get_transform()
 
1137
        transform.new_file('name1', root, 'contents')
 
1138
        self.assertEqual(transform.rename_count, 0)
 
1139
        transform.apply()
 
1140
        self.assertEqual(transform.rename_count, 1)
 
1141
        transform2, root = self.get_transform()
 
1142
        transform2.adjust_path('name2', root,
 
1143
                               transform2.trans_id_tree_path('name1'))
 
1144
        self.assertEqual(transform2.rename_count, 0)
 
1145
        transform2.apply()
 
1146
        self.assertEqual(transform2.rename_count, 2)
 
1147
 
 
1148
    def test_change_parent(self):
 
1149
        """Ensure that after we change a parent, the results are still right.
 
1150
 
 
1151
        Renames and parent changes on pending transforms can happen as part
 
1152
        of conflict resolution, and are explicitly permitted by the
 
1153
        TreeTransform API.
 
1154
 
 
1155
        This test ensures they work correctly with the rename-avoidance
 
1156
        optimization.
 
1157
        """
 
1158
        transform, root = self.get_transform()
 
1159
        parent1 = transform.new_directory('parent1', root)
 
1160
        child1 = transform.new_file('child1', parent1, 'contents')
 
1161
        parent2 = transform.new_directory('parent2', root)
 
1162
        transform.adjust_path('child1', parent2, child1)
 
1163
        transform.apply()
 
1164
        self.failIfExists(self.wt.abspath('parent1/child1'))
 
1165
        self.failUnlessExists(self.wt.abspath('parent2/child1'))
 
1166
        # rename limbo/new-1 => parent1, rename limbo/new-3 => parent2
 
1167
        # no rename for child1 (counting only renames during apply)
 
1168
        self.failUnlessEqual(2, transform.rename_count)
 
1169
 
 
1170
    def test_cancel_parent(self):
 
1171
        """Cancelling a parent doesn't cause deletion of a non-empty directory
 
1172
 
 
1173
        This is like the test_change_parent, except that we cancel the parent
 
1174
        before adjusting the path.  The transform must detect that the
 
1175
        directory is non-empty, and move children to safe locations.
 
1176
        """
 
1177
        transform, root = self.get_transform()
 
1178
        parent1 = transform.new_directory('parent1', root)
 
1179
        child1 = transform.new_file('child1', parent1, 'contents')
 
1180
        child2 = transform.new_file('child2', parent1, 'contents')
 
1181
        try:
 
1182
            transform.cancel_creation(parent1)
 
1183
        except OSError:
 
1184
            self.fail('Failed to move child1 before deleting parent1')
 
1185
        transform.cancel_creation(child2)
 
1186
        transform.create_directory(parent1)
 
1187
        try:
 
1188
            transform.cancel_creation(parent1)
 
1189
        # If the transform incorrectly believes that child2 is still in
 
1190
        # parent1's limbo directory, it will try to rename it and fail
 
1191
        # because was already moved by the first cancel_creation.
 
1192
        except OSError:
 
1193
            self.fail('Transform still thinks child2 is a child of parent1')
 
1194
        parent2 = transform.new_directory('parent2', root)
 
1195
        transform.adjust_path('child1', parent2, child1)
 
1196
        transform.apply()
 
1197
        self.failIfExists(self.wt.abspath('parent1'))
 
1198
        self.failUnlessExists(self.wt.abspath('parent2/child1'))
 
1199
        # rename limbo/new-3 => parent2, rename limbo/new-2 => child1
 
1200
        self.failUnlessEqual(2, transform.rename_count)
 
1201
 
 
1202
    def test_adjust_and_cancel(self):
 
1203
        """Make sure adjust_path keeps track of limbo children properly"""
 
1204
        transform, root = self.get_transform()
 
1205
        parent1 = transform.new_directory('parent1', root)
 
1206
        child1 = transform.new_file('child1', parent1, 'contents')
 
1207
        parent2 = transform.new_directory('parent2', root)
 
1208
        transform.adjust_path('child1', parent2, child1)
 
1209
        transform.cancel_creation(child1)
 
1210
        try:
 
1211
            transform.cancel_creation(parent1)
 
1212
        # if the transform thinks child1 is still in parent1's limbo
 
1213
        # directory, it will attempt to move it and fail.
 
1214
        except OSError:
 
1215
            self.fail('Transform still thinks child1 is a child of parent1')
 
1216
        transform.finalize()
 
1217
 
 
1218
    def test_noname_contents(self):
 
1219
        """TreeTransform should permit deferring naming files."""
 
1220
        transform, root = self.get_transform()
 
1221
        parent = transform.trans_id_file_id('parent-id')
 
1222
        try:
 
1223
            transform.create_directory(parent)
 
1224
        except KeyError:
 
1225
            self.fail("Can't handle contents with no name")
 
1226
        transform.finalize()
 
1227
 
 
1228
    def test_noname_contents_nested(self):
 
1229
        """TreeTransform should permit deferring naming files."""
 
1230
        transform, root = self.get_transform()
 
1231
        parent = transform.trans_id_file_id('parent-id')
 
1232
        try:
 
1233
            transform.create_directory(parent)
 
1234
        except KeyError:
 
1235
            self.fail("Can't handle contents with no name")
 
1236
        child = transform.new_directory('child', parent)
 
1237
        transform.adjust_path('parent', root, parent)
 
1238
        transform.apply()
 
1239
        self.failUnlessExists(self.wt.abspath('parent/child'))
 
1240
        self.assertEqual(1, transform.rename_count)
 
1241
 
 
1242
    def test_reuse_name(self):
 
1243
        """Avoid reusing the same limbo name for different files"""
 
1244
        transform, root = self.get_transform()
 
1245
        parent = transform.new_directory('parent', root)
 
1246
        child1 = transform.new_directory('child', parent)
 
1247
        try:
 
1248
            child2 = transform.new_directory('child', parent)
 
1249
        except OSError:
 
1250
            self.fail('Tranform tried to use the same limbo name twice')
 
1251
        transform.adjust_path('child2', parent, child2)
 
1252
        transform.apply()
 
1253
        # limbo/new-1 => parent, limbo/new-3 => parent/child2
 
1254
        # child2 is put into top-level limbo because child1 has already
 
1255
        # claimed the direct limbo path when child2 is created.  There is no
 
1256
        # advantage in renaming files once they're in top-level limbo, except
 
1257
        # as part of apply.
 
1258
        self.assertEqual(2, transform.rename_count)
 
1259
 
 
1260
    def test_reuse_when_first_moved(self):
 
1261
        """Don't avoid direct paths when it is safe to use them"""
 
1262
        transform, root = self.get_transform()
 
1263
        parent = transform.new_directory('parent', root)
 
1264
        child1 = transform.new_directory('child', parent)
 
1265
        transform.adjust_path('child1', parent, child1)
 
1266
        child2 = transform.new_directory('child', parent)
 
1267
        transform.apply()
 
1268
        # limbo/new-1 => parent
 
1269
        self.assertEqual(1, transform.rename_count)
 
1270
 
 
1271
    def test_reuse_after_cancel(self):
 
1272
        """Don't avoid direct paths when it is safe to use them"""
 
1273
        transform, root = self.get_transform()
 
1274
        parent2 = transform.new_directory('parent2', root)
 
1275
        child1 = transform.new_directory('child1', parent2)
 
1276
        transform.cancel_creation(parent2)
 
1277
        transform.create_directory(parent2)
 
1278
        child2 = transform.new_directory('child1', parent2)
 
1279
        transform.adjust_path('child2', parent2, child1)
 
1280
        transform.apply()
 
1281
        # limbo/new-1 => parent2, limbo/new-2 => parent2/child1
 
1282
        self.assertEqual(2, transform.rename_count)
 
1283
 
 
1284
    def test_finalize_order(self):
 
1285
        """Finalize must be done in child-to-parent order"""
 
1286
        transform, root = self.get_transform()
 
1287
        parent = transform.new_directory('parent', root)
 
1288
        child = transform.new_directory('child', parent)
 
1289
        try:
 
1290
            transform.finalize()
 
1291
        except OSError:
 
1292
            self.fail('Tried to remove parent before child1')
 
1293
 
 
1294
    def test_cancel_with_cancelled_child_should_succeed(self):
 
1295
        transform, root = self.get_transform()
 
1296
        parent = transform.new_directory('parent', root)
 
1297
        child = transform.new_directory('child', parent)
 
1298
        transform.cancel_creation(child)
 
1299
        transform.cancel_creation(parent)
 
1300
        transform.finalize()
 
1301
 
 
1302
    def test_rollback_on_directory_clash(self):
 
1303
        def tt_helper():
 
1304
            wt = self.make_branch_and_tree('.')
 
1305
            tt = TreeTransform(wt)  # TreeTransform obtains write lock
 
1306
            try:
 
1307
                foo = tt.new_directory('foo', tt.root)
 
1308
                tt.new_file('bar', foo, 'foobar')
 
1309
                baz = tt.new_directory('baz', tt.root)
 
1310
                tt.new_file('qux', baz, 'quux')
 
1311
                # Ask for a rename 'foo' -> 'baz'
 
1312
                tt.adjust_path('baz', tt.root, foo)
 
1313
                # Lie to tt that we've already resolved all conflicts.
 
1314
                tt.apply(no_conflicts=True)
 
1315
            except:
 
1316
                wt.unlock()
 
1317
                raise
 
1318
        # The rename will fail because the target directory is not empty (but
 
1319
        # raises FileExists anyway).
 
1320
        err = self.assertRaises(errors.FileExists, tt_helper)
 
1321
        self.assertContainsRe(str(err),
 
1322
            "^File exists: .+/baz")
 
1323
 
 
1324
    def test_two_directories_clash(self):
 
1325
        def tt_helper():
 
1326
            wt = self.make_branch_and_tree('.')
 
1327
            tt = TreeTransform(wt)  # TreeTransform obtains write lock
 
1328
            try:
 
1329
                foo_1 = tt.new_directory('foo', tt.root)
 
1330
                tt.new_directory('bar', foo_1)
 
1331
                # Adding the same directory with a different content
 
1332
                foo_2 = tt.new_directory('foo', tt.root)
 
1333
                tt.new_directory('baz', foo_2)
 
1334
                # Lie to tt that we've already resolved all conflicts.
 
1335
                tt.apply(no_conflicts=True)
 
1336
            except:
 
1337
                wt.unlock()
 
1338
                raise
 
1339
        err = self.assertRaises(errors.FileExists, tt_helper)
 
1340
        self.assertContainsRe(str(err),
 
1341
            "^File exists: .+/foo")
 
1342
 
 
1343
    def test_two_directories_clash_finalize(self):
 
1344
        def tt_helper():
 
1345
            wt = self.make_branch_and_tree('.')
 
1346
            tt = TreeTransform(wt)  # TreeTransform obtains write lock
 
1347
            try:
 
1348
                foo_1 = tt.new_directory('foo', tt.root)
 
1349
                tt.new_directory('bar', foo_1)
 
1350
                # Adding the same directory with a different content
 
1351
                foo_2 = tt.new_directory('foo', tt.root)
 
1352
                tt.new_directory('baz', foo_2)
 
1353
                # Lie to tt that we've already resolved all conflicts.
 
1354
                tt.apply(no_conflicts=True)
 
1355
            except:
 
1356
                tt.finalize()
 
1357
                raise
 
1358
        err = self.assertRaises(errors.FileExists, tt_helper)
 
1359
        self.assertContainsRe(str(err),
 
1360
            "^File exists: .+/foo")
 
1361
 
 
1362
    def test_file_to_directory(self):
 
1363
        wt = self.make_branch_and_tree('.')
 
1364
        self.build_tree(['foo'])
 
1365
        wt.add(['foo'])
 
1366
        wt.commit("one")
 
1367
        tt = TreeTransform(wt)
 
1368
        self.addCleanup(tt.finalize)
 
1369
        foo_trans_id = tt.trans_id_tree_path("foo")
 
1370
        tt.delete_contents(foo_trans_id)
 
1371
        tt.create_directory(foo_trans_id)
 
1372
        bar_trans_id = tt.trans_id_tree_path("foo/bar")
 
1373
        tt.create_file(["aa\n"], bar_trans_id)
 
1374
        tt.version_file("bar-1", bar_trans_id)
 
1375
        tt.apply()
 
1376
        self.failUnlessExists("foo/bar")
 
1377
        wt.lock_read()
 
1378
        try:
 
1379
            self.assertEqual(wt.inventory.get_file_kind(wt.path2id("foo")),
 
1380
                    "directory")
 
1381
        finally:
 
1382
            wt.unlock()
 
1383
        wt.commit("two")
 
1384
        changes = wt.changes_from(wt.basis_tree())
 
1385
        self.assertFalse(changes.has_changed(), changes)
 
1386
 
 
1387
    def test_file_to_symlink(self):
 
1388
        self.requireFeature(SymlinkFeature)
 
1389
        wt = self.make_branch_and_tree('.')
 
1390
        self.build_tree(['foo'])
 
1391
        wt.add(['foo'])
 
1392
        wt.commit("one")
 
1393
        tt = TreeTransform(wt)
 
1394
        self.addCleanup(tt.finalize)
 
1395
        foo_trans_id = tt.trans_id_tree_path("foo")
 
1396
        tt.delete_contents(foo_trans_id)
 
1397
        tt.create_symlink("bar", foo_trans_id)
 
1398
        tt.apply()
 
1399
        self.failUnlessExists("foo")
 
1400
        wt.lock_read()
 
1401
        self.addCleanup(wt.unlock)
 
1402
        self.assertEqual(wt.inventory.get_file_kind(wt.path2id("foo")),
 
1403
                "symlink")
 
1404
 
 
1405
    def test_dir_to_file(self):
 
1406
        wt = self.make_branch_and_tree('.')
 
1407
        self.build_tree(['foo/', 'foo/bar'])
 
1408
        wt.add(['foo', 'foo/bar'])
 
1409
        wt.commit("one")
 
1410
        tt = TreeTransform(wt)
 
1411
        self.addCleanup(tt.finalize)
 
1412
        foo_trans_id = tt.trans_id_tree_path("foo")
 
1413
        bar_trans_id = tt.trans_id_tree_path("foo/bar")
 
1414
        tt.delete_contents(foo_trans_id)
 
1415
        tt.delete_versioned(bar_trans_id)
 
1416
        tt.create_file(["aa\n"], foo_trans_id)
 
1417
        tt.apply()
 
1418
        self.failUnlessExists("foo")
 
1419
        wt.lock_read()
 
1420
        self.addCleanup(wt.unlock)
 
1421
        self.assertEqual(wt.inventory.get_file_kind(wt.path2id("foo")),
 
1422
                "file")
 
1423
 
 
1424
    def test_dir_to_hardlink(self):
 
1425
        self.requireFeature(HardlinkFeature)
 
1426
        wt = self.make_branch_and_tree('.')
 
1427
        self.build_tree(['foo/', 'foo/bar'])
 
1428
        wt.add(['foo', 'foo/bar'])
 
1429
        wt.commit("one")
 
1430
        tt = TreeTransform(wt)
 
1431
        self.addCleanup(tt.finalize)
 
1432
        foo_trans_id = tt.trans_id_tree_path("foo")
 
1433
        bar_trans_id = tt.trans_id_tree_path("foo/bar")
 
1434
        tt.delete_contents(foo_trans_id)
 
1435
        tt.delete_versioned(bar_trans_id)
 
1436
        self.build_tree(['baz'])
 
1437
        tt.create_hardlink("baz", foo_trans_id)
 
1438
        tt.apply()
 
1439
        self.failUnlessExists("foo")
 
1440
        self.failUnlessExists("baz")
 
1441
        wt.lock_read()
 
1442
        self.addCleanup(wt.unlock)
 
1443
        self.assertEqual(wt.inventory.get_file_kind(wt.path2id("foo")),
 
1444
                "file")
 
1445
 
 
1446
    def test_no_final_path(self):
 
1447
        transform, root = self.get_transform()
 
1448
        trans_id = transform.trans_id_file_id('foo')
 
1449
        transform.create_file('bar', trans_id)
 
1450
        transform.cancel_creation(trans_id)
 
1451
        transform.apply()
 
1452
 
 
1453
    def test_create_from_tree(self):
 
1454
        tree1 = self.make_branch_and_tree('tree1')
 
1455
        self.build_tree_contents([('tree1/foo/',), ('tree1/bar', 'baz')])
 
1456
        tree1.add(['foo', 'bar'], ['foo-id', 'bar-id'])
 
1457
        tree2 = self.make_branch_and_tree('tree2')
 
1458
        tt = TreeTransform(tree2)
 
1459
        foo_trans_id = tt.create_path('foo', tt.root)
 
1460
        create_from_tree(tt, foo_trans_id, tree1, 'foo-id')
 
1461
        bar_trans_id = tt.create_path('bar', tt.root)
 
1462
        create_from_tree(tt, bar_trans_id, tree1, 'bar-id')
 
1463
        tt.apply()
 
1464
        self.assertEqual('directory', osutils.file_kind('tree2/foo'))
 
1465
        self.assertFileEqual('baz', 'tree2/bar')
 
1466
 
 
1467
    def test_create_from_tree_bytes(self):
 
1468
        """Provided lines are used instead of tree content."""
 
1469
        tree1 = self.make_branch_and_tree('tree1')
 
1470
        self.build_tree_contents([('tree1/foo', 'bar'),])
 
1471
        tree1.add('foo', 'foo-id')
 
1472
        tree2 = self.make_branch_and_tree('tree2')
 
1473
        tt = TreeTransform(tree2)
 
1474
        foo_trans_id = tt.create_path('foo', tt.root)
 
1475
        create_from_tree(tt, foo_trans_id, tree1, 'foo-id', bytes='qux')
 
1476
        tt.apply()
 
1477
        self.assertFileEqual('qux', 'tree2/foo')
 
1478
 
 
1479
    def test_create_from_tree_symlink(self):
 
1480
        self.requireFeature(SymlinkFeature)
 
1481
        tree1 = self.make_branch_and_tree('tree1')
 
1482
        os.symlink('bar', 'tree1/foo')
 
1483
        tree1.add('foo', 'foo-id')
 
1484
        tt = TreeTransform(self.make_branch_and_tree('tree2'))
 
1485
        foo_trans_id = tt.create_path('foo', tt.root)
 
1486
        create_from_tree(tt, foo_trans_id, tree1, 'foo-id')
 
1487
        tt.apply()
 
1488
        self.assertEqual('bar', os.readlink('tree2/foo'))
 
1489
 
 
1490
 
 
1491
class TransformGroup(object):
 
1492
 
 
1493
    def __init__(self, dirname, root_id):
 
1494
        self.name = dirname
 
1495
        os.mkdir(dirname)
 
1496
        self.wt = BzrDir.create_standalone_workingtree(dirname)
 
1497
        self.wt.set_root_id(root_id)
 
1498
        self.b = self.wt.branch
 
1499
        self.tt = TreeTransform(self.wt)
 
1500
        self.root = self.tt.trans_id_tree_file_id(self.wt.get_root_id())
 
1501
 
 
1502
 
 
1503
def conflict_text(tree, merge):
 
1504
    template = '%s TREE\n%s%s\n%s%s MERGE-SOURCE\n'
 
1505
    return template % ('<' * 7, tree, '=' * 7, merge, '>' * 7)
 
1506
 
 
1507
 
 
1508
class TestTransformMerge(TestCaseInTempDir):
 
1509
 
 
1510
    def test_text_merge(self):
 
1511
        root_id = generate_ids.gen_root_id()
 
1512
        base = TransformGroup("base", root_id)
 
1513
        base.tt.new_file('a', base.root, 'a\nb\nc\nd\be\n', 'a')
 
1514
        base.tt.new_file('b', base.root, 'b1', 'b')
 
1515
        base.tt.new_file('c', base.root, 'c', 'c')
 
1516
        base.tt.new_file('d', base.root, 'd', 'd')
 
1517
        base.tt.new_file('e', base.root, 'e', 'e')
 
1518
        base.tt.new_file('f', base.root, 'f', 'f')
 
1519
        base.tt.new_directory('g', base.root, 'g')
 
1520
        base.tt.new_directory('h', base.root, 'h')
 
1521
        base.tt.apply()
 
1522
        other = TransformGroup("other", root_id)
 
1523
        other.tt.new_file('a', other.root, 'y\nb\nc\nd\be\n', 'a')
 
1524
        other.tt.new_file('b', other.root, 'b2', 'b')
 
1525
        other.tt.new_file('c', other.root, 'c2', 'c')
 
1526
        other.tt.new_file('d', other.root, 'd', 'd')
 
1527
        other.tt.new_file('e', other.root, 'e2', 'e')
 
1528
        other.tt.new_file('f', other.root, 'f', 'f')
 
1529
        other.tt.new_file('g', other.root, 'g', 'g')
 
1530
        other.tt.new_file('h', other.root, 'h\ni\nj\nk\n', 'h')
 
1531
        other.tt.new_file('i', other.root, 'h\ni\nj\nk\n', 'i')
 
1532
        other.tt.apply()
 
1533
        this = TransformGroup("this", root_id)
 
1534
        this.tt.new_file('a', this.root, 'a\nb\nc\nd\bz\n', 'a')
 
1535
        this.tt.new_file('b', this.root, 'b', 'b')
 
1536
        this.tt.new_file('c', this.root, 'c', 'c')
 
1537
        this.tt.new_file('d', this.root, 'd2', 'd')
 
1538
        this.tt.new_file('e', this.root, 'e2', 'e')
 
1539
        this.tt.new_file('f', this.root, 'f', 'f')
 
1540
        this.tt.new_file('g', this.root, 'g', 'g')
 
1541
        this.tt.new_file('h', this.root, '1\n2\n3\n4\n', 'h')
 
1542
        this.tt.new_file('i', this.root, '1\n2\n3\n4\n', 'i')
 
1543
        this.tt.apply()
 
1544
        Merge3Merger(this.wt, this.wt, base.wt, other.wt)
 
1545
 
 
1546
        # textual merge
 
1547
        self.assertEqual(this.wt.get_file('a').read(), 'y\nb\nc\nd\bz\n')
 
1548
        # three-way text conflict
 
1549
        self.assertEqual(this.wt.get_file('b').read(),
 
1550
                         conflict_text('b', 'b2'))
 
1551
        # OTHER wins
 
1552
        self.assertEqual(this.wt.get_file('c').read(), 'c2')
 
1553
        # THIS wins
 
1554
        self.assertEqual(this.wt.get_file('d').read(), 'd2')
 
1555
        # Ambigious clean merge
 
1556
        self.assertEqual(this.wt.get_file('e').read(), 'e2')
 
1557
        # No change
 
1558
        self.assertEqual(this.wt.get_file('f').read(), 'f')
 
1559
        # Correct correct results when THIS == OTHER
 
1560
        self.assertEqual(this.wt.get_file('g').read(), 'g')
 
1561
        # Text conflict when THIS & OTHER are text and BASE is dir
 
1562
        self.assertEqual(this.wt.get_file('h').read(),
 
1563
                         conflict_text('1\n2\n3\n4\n', 'h\ni\nj\nk\n'))
 
1564
        self.assertEqual(this.wt.get_file_byname('h.THIS').read(),
 
1565
                         '1\n2\n3\n4\n')
 
1566
        self.assertEqual(this.wt.get_file_byname('h.OTHER').read(),
 
1567
                         'h\ni\nj\nk\n')
 
1568
        self.assertEqual(file_kind(this.wt.abspath('h.BASE')), 'directory')
 
1569
        self.assertEqual(this.wt.get_file('i').read(),
 
1570
                         conflict_text('1\n2\n3\n4\n', 'h\ni\nj\nk\n'))
 
1571
        self.assertEqual(this.wt.get_file_byname('i.THIS').read(),
 
1572
                         '1\n2\n3\n4\n')
 
1573
        self.assertEqual(this.wt.get_file_byname('i.OTHER').read(),
 
1574
                         'h\ni\nj\nk\n')
 
1575
        self.assertEqual(os.path.exists(this.wt.abspath('i.BASE')), False)
 
1576
        modified = ['a', 'b', 'c', 'h', 'i']
 
1577
        merge_modified = this.wt.merge_modified()
 
1578
        self.assertSubset(merge_modified, modified)
 
1579
        self.assertEqual(len(merge_modified), len(modified))
 
1580
        file(this.wt.id2abspath('a'), 'wb').write('booga')
 
1581
        modified.pop(0)
 
1582
        merge_modified = this.wt.merge_modified()
 
1583
        self.assertSubset(merge_modified, modified)
 
1584
        self.assertEqual(len(merge_modified), len(modified))
 
1585
        this.wt.remove('b')
 
1586
        this.wt.revert()
 
1587
 
 
1588
    def test_file_merge(self):
 
1589
        self.requireFeature(SymlinkFeature)
 
1590
        root_id = generate_ids.gen_root_id()
 
1591
        base = TransformGroup("BASE", root_id)
 
1592
        this = TransformGroup("THIS", root_id)
 
1593
        other = TransformGroup("OTHER", root_id)
 
1594
        for tg in this, base, other:
 
1595
            tg.tt.new_directory('a', tg.root, 'a')
 
1596
            tg.tt.new_symlink('b', tg.root, 'b', 'b')
 
1597
            tg.tt.new_file('c', tg.root, 'c', 'c')
 
1598
            tg.tt.new_symlink('d', tg.root, tg.name, 'd')
 
1599
        targets = ((base, 'base-e', 'base-f', None, None),
 
1600
                   (this, 'other-e', 'this-f', 'other-g', 'this-h'),
 
1601
                   (other, 'other-e', None, 'other-g', 'other-h'))
 
1602
        for tg, e_target, f_target, g_target, h_target in targets:
 
1603
            for link, target in (('e', e_target), ('f', f_target),
 
1604
                                 ('g', g_target), ('h', h_target)):
 
1605
                if target is not None:
 
1606
                    tg.tt.new_symlink(link, tg.root, target, link)
 
1607
 
 
1608
        for tg in this, base, other:
 
1609
            tg.tt.apply()
 
1610
        Merge3Merger(this.wt, this.wt, base.wt, other.wt)
 
1611
        self.assertIs(os.path.isdir(this.wt.abspath('a')), True)
 
1612
        self.assertIs(os.path.islink(this.wt.abspath('b')), True)
 
1613
        self.assertIs(os.path.isfile(this.wt.abspath('c')), True)
 
1614
        for suffix in ('THIS', 'BASE', 'OTHER'):
 
1615
            self.assertEqual(os.readlink(this.wt.abspath('d.'+suffix)), suffix)
 
1616
        self.assertIs(os.path.lexists(this.wt.abspath('d')), False)
 
1617
        self.assertEqual(this.wt.id2path('d'), 'd.OTHER')
 
1618
        self.assertEqual(this.wt.id2path('f'), 'f.THIS')
 
1619
        self.assertEqual(os.readlink(this.wt.abspath('e')), 'other-e')
 
1620
        self.assertIs(os.path.lexists(this.wt.abspath('e.THIS')), False)
 
1621
        self.assertIs(os.path.lexists(this.wt.abspath('e.OTHER')), False)
 
1622
        self.assertIs(os.path.lexists(this.wt.abspath('e.BASE')), False)
 
1623
        self.assertIs(os.path.lexists(this.wt.abspath('g')), True)
 
1624
        self.assertIs(os.path.lexists(this.wt.abspath('g.BASE')), False)
 
1625
        self.assertIs(os.path.lexists(this.wt.abspath('h')), False)
 
1626
        self.assertIs(os.path.lexists(this.wt.abspath('h.BASE')), False)
 
1627
        self.assertIs(os.path.lexists(this.wt.abspath('h.THIS')), True)
 
1628
        self.assertIs(os.path.lexists(this.wt.abspath('h.OTHER')), True)
 
1629
 
 
1630
    def test_filename_merge(self):
 
1631
        root_id = generate_ids.gen_root_id()
 
1632
        base = TransformGroup("BASE", root_id)
 
1633
        this = TransformGroup("THIS", root_id)
 
1634
        other = TransformGroup("OTHER", root_id)
 
1635
        base_a, this_a, other_a = [t.tt.new_directory('a', t.root, 'a')
 
1636
                                   for t in [base, this, other]]
 
1637
        base_b, this_b, other_b = [t.tt.new_directory('b', t.root, 'b')
 
1638
                                   for t in [base, this, other]]
 
1639
        base.tt.new_directory('c', base_a, 'c')
 
1640
        this.tt.new_directory('c1', this_a, 'c')
 
1641
        other.tt.new_directory('c', other_b, 'c')
 
1642
 
 
1643
        base.tt.new_directory('d', base_a, 'd')
 
1644
        this.tt.new_directory('d1', this_b, 'd')
 
1645
        other.tt.new_directory('d', other_a, 'd')
 
1646
 
 
1647
        base.tt.new_directory('e', base_a, 'e')
 
1648
        this.tt.new_directory('e', this_a, 'e')
 
1649
        other.tt.new_directory('e1', other_b, 'e')
 
1650
 
 
1651
        base.tt.new_directory('f', base_a, 'f')
 
1652
        this.tt.new_directory('f1', this_b, 'f')
 
1653
        other.tt.new_directory('f1', other_b, 'f')
 
1654
 
 
1655
        for tg in [this, base, other]:
 
1656
            tg.tt.apply()
 
1657
        Merge3Merger(this.wt, this.wt, base.wt, other.wt)
 
1658
        self.assertEqual(this.wt.id2path('c'), pathjoin('b/c1'))
 
1659
        self.assertEqual(this.wt.id2path('d'), pathjoin('b/d1'))
 
1660
        self.assertEqual(this.wt.id2path('e'), pathjoin('b/e1'))
 
1661
        self.assertEqual(this.wt.id2path('f'), pathjoin('b/f1'))
 
1662
 
 
1663
    def test_filename_merge_conflicts(self):
 
1664
        root_id = generate_ids.gen_root_id()
 
1665
        base = TransformGroup("BASE", root_id)
 
1666
        this = TransformGroup("THIS", root_id)
 
1667
        other = TransformGroup("OTHER", root_id)
 
1668
        base_a, this_a, other_a = [t.tt.new_directory('a', t.root, 'a')
 
1669
                                   for t in [base, this, other]]
 
1670
        base_b, this_b, other_b = [t.tt.new_directory('b', t.root, 'b')
 
1671
                                   for t in [base, this, other]]
 
1672
 
 
1673
        base.tt.new_file('g', base_a, 'g', 'g')
 
1674
        other.tt.new_file('g1', other_b, 'g1', 'g')
 
1675
 
 
1676
        base.tt.new_file('h', base_a, 'h', 'h')
 
1677
        this.tt.new_file('h1', this_b, 'h1', 'h')
 
1678
 
 
1679
        base.tt.new_file('i', base.root, 'i', 'i')
 
1680
        other.tt.new_directory('i1', this_b, 'i')
 
1681
 
 
1682
        for tg in [this, base, other]:
 
1683
            tg.tt.apply()
 
1684
        Merge3Merger(this.wt, this.wt, base.wt, other.wt)
 
1685
 
 
1686
        self.assertEqual(this.wt.id2path('g'), pathjoin('b/g1.OTHER'))
 
1687
        self.assertIs(os.path.lexists(this.wt.abspath('b/g1.BASE')), True)
 
1688
        self.assertIs(os.path.lexists(this.wt.abspath('b/g1.THIS')), False)
 
1689
        self.assertEqual(this.wt.id2path('h'), pathjoin('b/h1.THIS'))
 
1690
        self.assertIs(os.path.lexists(this.wt.abspath('b/h1.BASE')), True)
 
1691
        self.assertIs(os.path.lexists(this.wt.abspath('b/h1.OTHER')), False)
 
1692
        self.assertEqual(this.wt.id2path('i'), pathjoin('b/i1.OTHER'))
 
1693
 
 
1694
 
 
1695
class TestBuildTree(tests.TestCaseWithTransport):
 
1696
 
 
1697
    def test_build_tree_with_symlinks(self):
 
1698
        self.requireFeature(SymlinkFeature)
 
1699
        os.mkdir('a')
 
1700
        a = BzrDir.create_standalone_workingtree('a')
 
1701
        os.mkdir('a/foo')
 
1702
        file('a/foo/bar', 'wb').write('contents')
 
1703
        os.symlink('a/foo/bar', 'a/foo/baz')
 
1704
        a.add(['foo', 'foo/bar', 'foo/baz'])
 
1705
        a.commit('initial commit')
 
1706
        b = BzrDir.create_standalone_workingtree('b')
 
1707
        basis = a.basis_tree()
 
1708
        basis.lock_read()
 
1709
        self.addCleanup(basis.unlock)
 
1710
        build_tree(basis, b)
 
1711
        self.assertIs(os.path.isdir('b/foo'), True)
 
1712
        self.assertEqual(file('b/foo/bar', 'rb').read(), "contents")
 
1713
        self.assertEqual(os.readlink('b/foo/baz'), 'a/foo/bar')
 
1714
 
 
1715
    def test_build_with_references(self):
 
1716
        tree = self.make_branch_and_tree('source',
 
1717
            format='dirstate-with-subtree')
 
1718
        subtree = self.make_branch_and_tree('source/subtree',
 
1719
            format='dirstate-with-subtree')
 
1720
        tree.add_reference(subtree)
 
1721
        tree.commit('a revision')
 
1722
        tree.branch.create_checkout('target')
 
1723
        self.failUnlessExists('target')
 
1724
        self.failUnlessExists('target/subtree')
 
1725
 
 
1726
    def test_file_conflict_handling(self):
 
1727
        """Ensure that when building trees, conflict handling is done"""
 
1728
        source = self.make_branch_and_tree('source')
 
1729
        target = self.make_branch_and_tree('target')
 
1730
        self.build_tree(['source/file', 'target/file'])
 
1731
        source.add('file', 'new-file')
 
1732
        source.commit('added file')
 
1733
        build_tree(source.basis_tree(), target)
 
1734
        self.assertEqual([DuplicateEntry('Moved existing file to',
 
1735
                          'file.moved', 'file', None, 'new-file')],
 
1736
                         target.conflicts())
 
1737
        target2 = self.make_branch_and_tree('target2')
 
1738
        target_file = file('target2/file', 'wb')
 
1739
        try:
 
1740
            source_file = file('source/file', 'rb')
 
1741
            try:
 
1742
                target_file.write(source_file.read())
 
1743
            finally:
 
1744
                source_file.close()
 
1745
        finally:
 
1746
            target_file.close()
 
1747
        build_tree(source.basis_tree(), target2)
 
1748
        self.assertEqual([], target2.conflicts())
 
1749
 
 
1750
    def test_symlink_conflict_handling(self):
 
1751
        """Ensure that when building trees, conflict handling is done"""
 
1752
        self.requireFeature(SymlinkFeature)
 
1753
        source = self.make_branch_and_tree('source')
 
1754
        os.symlink('foo', 'source/symlink')
 
1755
        source.add('symlink', 'new-symlink')
 
1756
        source.commit('added file')
 
1757
        target = self.make_branch_and_tree('target')
 
1758
        os.symlink('bar', 'target/symlink')
 
1759
        build_tree(source.basis_tree(), target)
 
1760
        self.assertEqual([DuplicateEntry('Moved existing file to',
 
1761
            'symlink.moved', 'symlink', None, 'new-symlink')],
 
1762
            target.conflicts())
 
1763
        target = self.make_branch_and_tree('target2')
 
1764
        os.symlink('foo', 'target2/symlink')
 
1765
        build_tree(source.basis_tree(), target)
 
1766
        self.assertEqual([], target.conflicts())
 
1767
 
 
1768
    def test_directory_conflict_handling(self):
 
1769
        """Ensure that when building trees, conflict handling is done"""
 
1770
        source = self.make_branch_and_tree('source')
 
1771
        target = self.make_branch_and_tree('target')
 
1772
        self.build_tree(['source/dir1/', 'source/dir1/file', 'target/dir1/'])
 
1773
        source.add(['dir1', 'dir1/file'], ['new-dir1', 'new-file'])
 
1774
        source.commit('added file')
 
1775
        build_tree(source.basis_tree(), target)
 
1776
        self.assertEqual([], target.conflicts())
 
1777
        self.failUnlessExists('target/dir1/file')
 
1778
 
 
1779
        # Ensure contents are merged
 
1780
        target = self.make_branch_and_tree('target2')
 
1781
        self.build_tree(['target2/dir1/', 'target2/dir1/file2'])
 
1782
        build_tree(source.basis_tree(), target)
 
1783
        self.assertEqual([], target.conflicts())
 
1784
        self.failUnlessExists('target2/dir1/file2')
 
1785
        self.failUnlessExists('target2/dir1/file')
 
1786
 
 
1787
        # Ensure new contents are suppressed for existing branches
 
1788
        target = self.make_branch_and_tree('target3')
 
1789
        self.make_branch('target3/dir1')
 
1790
        self.build_tree(['target3/dir1/file2'])
 
1791
        build_tree(source.basis_tree(), target)
 
1792
        self.failIfExists('target3/dir1/file')
 
1793
        self.failUnlessExists('target3/dir1/file2')
 
1794
        self.failUnlessExists('target3/dir1.diverted/file')
 
1795
        self.assertEqual([DuplicateEntry('Diverted to',
 
1796
            'dir1.diverted', 'dir1', 'new-dir1', None)],
 
1797
            target.conflicts())
 
1798
 
 
1799
        target = self.make_branch_and_tree('target4')
 
1800
        self.build_tree(['target4/dir1/'])
 
1801
        self.make_branch('target4/dir1/file')
 
1802
        build_tree(source.basis_tree(), target)
 
1803
        self.failUnlessExists('target4/dir1/file')
 
1804
        self.assertEqual('directory', file_kind('target4/dir1/file'))
 
1805
        self.failUnlessExists('target4/dir1/file.diverted')
 
1806
        self.assertEqual([DuplicateEntry('Diverted to',
 
1807
            'dir1/file.diverted', 'dir1/file', 'new-file', None)],
 
1808
            target.conflicts())
 
1809
 
 
1810
    def test_mixed_conflict_handling(self):
 
1811
        """Ensure that when building trees, conflict handling is done"""
 
1812
        source = self.make_branch_and_tree('source')
 
1813
        target = self.make_branch_and_tree('target')
 
1814
        self.build_tree(['source/name', 'target/name/'])
 
1815
        source.add('name', 'new-name')
 
1816
        source.commit('added file')
 
1817
        build_tree(source.basis_tree(), target)
 
1818
        self.assertEqual([DuplicateEntry('Moved existing file to',
 
1819
            'name.moved', 'name', None, 'new-name')], target.conflicts())
 
1820
 
 
1821
    def test_raises_in_populated(self):
 
1822
        source = self.make_branch_and_tree('source')
 
1823
        self.build_tree(['source/name'])
 
1824
        source.add('name')
 
1825
        source.commit('added name')
 
1826
        target = self.make_branch_and_tree('target')
 
1827
        self.build_tree(['target/name'])
 
1828
        target.add('name')
 
1829
        self.assertRaises(errors.WorkingTreeAlreadyPopulated,
 
1830
            build_tree, source.basis_tree(), target)
 
1831
 
 
1832
    def test_build_tree_rename_count(self):
 
1833
        source = self.make_branch_and_tree('source')
 
1834
        self.build_tree(['source/file1', 'source/dir1/'])
 
1835
        source.add(['file1', 'dir1'])
 
1836
        source.commit('add1')
 
1837
        target1 = self.make_branch_and_tree('target1')
 
1838
        transform_result = build_tree(source.basis_tree(), target1)
 
1839
        self.assertEqual(2, transform_result.rename_count)
 
1840
 
 
1841
        self.build_tree(['source/dir1/file2'])
 
1842
        source.add(['dir1/file2'])
 
1843
        source.commit('add3')
 
1844
        target2 = self.make_branch_and_tree('target2')
 
1845
        transform_result = build_tree(source.basis_tree(), target2)
 
1846
        # children of non-root directories should not be renamed
 
1847
        self.assertEqual(2, transform_result.rename_count)
 
1848
 
 
1849
    def create_ab_tree(self):
 
1850
        """Create a committed test tree with two files"""
 
1851
        source = self.make_branch_and_tree('source')
 
1852
        self.build_tree_contents([('source/file1', 'A')])
 
1853
        self.build_tree_contents([('source/file2', 'B')])
 
1854
        source.add(['file1', 'file2'], ['file1-id', 'file2-id'])
 
1855
        source.commit('commit files')
 
1856
        source.lock_write()
 
1857
        self.addCleanup(source.unlock)
 
1858
        return source
 
1859
 
 
1860
    def test_build_tree_accelerator_tree(self):
 
1861
        source = self.create_ab_tree()
 
1862
        self.build_tree_contents([('source/file2', 'C')])
 
1863
        calls = []
 
1864
        real_source_get_file = source.get_file
 
1865
        def get_file(file_id, path=None):
 
1866
            calls.append(file_id)
 
1867
            return real_source_get_file(file_id, path)
 
1868
        source.get_file = get_file
 
1869
        target = self.make_branch_and_tree('target')
 
1870
        revision_tree = source.basis_tree()
 
1871
        revision_tree.lock_read()
 
1872
        self.addCleanup(revision_tree.unlock)
 
1873
        build_tree(revision_tree, target, source)
 
1874
        self.assertEqual(['file1-id'], calls)
 
1875
        target.lock_read()
 
1876
        self.addCleanup(target.unlock)
 
1877
        self.assertEqual([], list(target.iter_changes(revision_tree)))
 
1878
 
 
1879
    def test_build_tree_accelerator_tree_missing_file(self):
 
1880
        source = self.create_ab_tree()
 
1881
        os.unlink('source/file1')
 
1882
        source.remove(['file2'])
 
1883
        target = self.make_branch_and_tree('target')
 
1884
        revision_tree = source.basis_tree()
 
1885
        revision_tree.lock_read()
 
1886
        self.addCleanup(revision_tree.unlock)
 
1887
        build_tree(revision_tree, target, source)
 
1888
        target.lock_read()
 
1889
        self.addCleanup(target.unlock)
 
1890
        self.assertEqual([], list(target.iter_changes(revision_tree)))
 
1891
 
 
1892
    def test_build_tree_accelerator_wrong_kind(self):
 
1893
        self.requireFeature(SymlinkFeature)
 
1894
        source = self.make_branch_and_tree('source')
 
1895
        self.build_tree_contents([('source/file1', '')])
 
1896
        self.build_tree_contents([('source/file2', '')])
 
1897
        source.add(['file1', 'file2'], ['file1-id', 'file2-id'])
 
1898
        source.commit('commit files')
 
1899
        os.unlink('source/file2')
 
1900
        self.build_tree_contents([('source/file2/', 'C')])
 
1901
        os.unlink('source/file1')
 
1902
        os.symlink('file2', 'source/file1')
 
1903
        calls = []
 
1904
        real_source_get_file = source.get_file
 
1905
        def get_file(file_id, path=None):
 
1906
            calls.append(file_id)
 
1907
            return real_source_get_file(file_id, path)
 
1908
        source.get_file = get_file
 
1909
        target = self.make_branch_and_tree('target')
 
1910
        revision_tree = source.basis_tree()
 
1911
        revision_tree.lock_read()
 
1912
        self.addCleanup(revision_tree.unlock)
 
1913
        build_tree(revision_tree, target, source)
 
1914
        self.assertEqual([], calls)
 
1915
        target.lock_read()
 
1916
        self.addCleanup(target.unlock)
 
1917
        self.assertEqual([], list(target.iter_changes(revision_tree)))
 
1918
 
 
1919
    def test_build_tree_hardlink(self):
 
1920
        self.requireFeature(HardlinkFeature)
 
1921
        source = self.create_ab_tree()
 
1922
        target = self.make_branch_and_tree('target')
 
1923
        revision_tree = source.basis_tree()
 
1924
        revision_tree.lock_read()
 
1925
        self.addCleanup(revision_tree.unlock)
 
1926
        build_tree(revision_tree, target, source, hardlink=True)
 
1927
        target.lock_read()
 
1928
        self.addCleanup(target.unlock)
 
1929
        self.assertEqual([], list(target.iter_changes(revision_tree)))
 
1930
        source_stat = os.stat('source/file1')
 
1931
        target_stat = os.stat('target/file1')
 
1932
        self.assertEqual(source_stat, target_stat)
 
1933
 
 
1934
        # Explicitly disallowing hardlinks should prevent them.
 
1935
        target2 = self.make_branch_and_tree('target2')
 
1936
        build_tree(revision_tree, target2, source, hardlink=False)
 
1937
        target2.lock_read()
 
1938
        self.addCleanup(target2.unlock)
 
1939
        self.assertEqual([], list(target2.iter_changes(revision_tree)))
 
1940
        source_stat = os.stat('source/file1')
 
1941
        target2_stat = os.stat('target2/file1')
 
1942
        self.assertNotEqual(source_stat, target2_stat)
 
1943
 
 
1944
    def test_build_tree_accelerator_tree_moved(self):
 
1945
        source = self.make_branch_and_tree('source')
 
1946
        self.build_tree_contents([('source/file1', 'A')])
 
1947
        source.add(['file1'], ['file1-id'])
 
1948
        source.commit('commit files')
 
1949
        source.rename_one('file1', 'file2')
 
1950
        source.lock_read()
 
1951
        self.addCleanup(source.unlock)
 
1952
        target = self.make_branch_and_tree('target')
 
1953
        revision_tree = source.basis_tree()
 
1954
        revision_tree.lock_read()
 
1955
        self.addCleanup(revision_tree.unlock)
 
1956
        build_tree(revision_tree, target, source)
 
1957
        target.lock_read()
 
1958
        self.addCleanup(target.unlock)
 
1959
        self.assertEqual([], list(target.iter_changes(revision_tree)))
 
1960
 
 
1961
    def test_build_tree_hardlinks_preserve_execute(self):
 
1962
        self.requireFeature(HardlinkFeature)
 
1963
        source = self.create_ab_tree()
 
1964
        tt = TreeTransform(source)
 
1965
        trans_id = tt.trans_id_tree_file_id('file1-id')
 
1966
        tt.set_executability(True, trans_id)
 
1967
        tt.apply()
 
1968
        self.assertTrue(source.is_executable('file1-id'))
 
1969
        target = self.make_branch_and_tree('target')
 
1970
        revision_tree = source.basis_tree()
 
1971
        revision_tree.lock_read()
 
1972
        self.addCleanup(revision_tree.unlock)
 
1973
        build_tree(revision_tree, target, source, hardlink=True)
 
1974
        target.lock_read()
 
1975
        self.addCleanup(target.unlock)
 
1976
        self.assertEqual([], list(target.iter_changes(revision_tree)))
 
1977
        self.assertTrue(source.is_executable('file1-id'))
 
1978
 
 
1979
    def install_rot13_content_filter(self, pattern):
 
1980
        # We could use
 
1981
        # self.addCleanup(filters._reset_registry, filters._reset_registry())
 
1982
        # below, but that looks a bit... hard to read even if it's exactly
 
1983
        # the same thing.
 
1984
        original_registry = filters._reset_registry()
 
1985
        def restore_registry():
 
1986
            filters._reset_registry(original_registry)
 
1987
        self.addCleanup(restore_registry)
 
1988
        def rot13(chunks, context=None):
 
1989
            return [''.join(chunks).encode('rot13')]
 
1990
        rot13filter = filters.ContentFilter(rot13, rot13)
 
1991
        filters.register_filter_stack_map('rot13', {'yes': [rot13filter]}.get)
 
1992
        os.mkdir(self.test_home_dir + '/.bazaar')
 
1993
        rules_filename = self.test_home_dir + '/.bazaar/rules'
 
1994
        f = open(rules_filename, 'wb')
 
1995
        f.write('[name %s]\nrot13=yes\n' % (pattern,))
 
1996
        f.close()
 
1997
        def uninstall_rules():
 
1998
            os.remove(rules_filename)
 
1999
            rules.reset_rules()
 
2000
        self.addCleanup(uninstall_rules)
 
2001
        rules.reset_rules()
 
2002
 
 
2003
    def test_build_tree_content_filtered_files_are_not_hardlinked(self):
 
2004
        """build_tree will not hardlink files that have content filtering rules
 
2005
        applied to them (but will still hardlink other files from the same tree
 
2006
        if it can).
 
2007
        """
 
2008
        self.requireFeature(HardlinkFeature)
 
2009
        self.install_rot13_content_filter('file1')
 
2010
        source = self.create_ab_tree()
 
2011
        target = self.make_branch_and_tree('target')
 
2012
        revision_tree = source.basis_tree()
 
2013
        revision_tree.lock_read()
 
2014
        self.addCleanup(revision_tree.unlock)
 
2015
        build_tree(revision_tree, target, source, hardlink=True)
 
2016
        target.lock_read()
 
2017
        self.addCleanup(target.unlock)
 
2018
        self.assertEqual([], list(target.iter_changes(revision_tree)))
 
2019
        source_stat = os.stat('source/file1')
 
2020
        target_stat = os.stat('target/file1')
 
2021
        self.assertNotEqual(source_stat, target_stat)
 
2022
        source_stat = os.stat('source/file2')
 
2023
        target_stat = os.stat('target/file2')
 
2024
        self.assertEqualStat(source_stat, target_stat)
 
2025
 
 
2026
    def test_case_insensitive_build_tree_inventory(self):
 
2027
        if (tests.CaseInsensitiveFilesystemFeature.available()
 
2028
            or tests.CaseInsCasePresFilenameFeature.available()):
 
2029
            raise tests.UnavailableFeature('Fully case sensitive filesystem')
 
2030
        source = self.make_branch_and_tree('source')
 
2031
        self.build_tree(['source/file', 'source/FILE'])
 
2032
        source.add(['file', 'FILE'], ['lower-id', 'upper-id'])
 
2033
        source.commit('added files')
 
2034
        # Don't try this at home, kids!
 
2035
        # Force the tree to report that it is case insensitive
 
2036
        target = self.make_branch_and_tree('target')
 
2037
        target.case_sensitive = False
 
2038
        build_tree(source.basis_tree(), target, source, delta_from_tree=True)
 
2039
        self.assertEqual('file.moved', target.id2path('lower-id'))
 
2040
        self.assertEqual('FILE', target.id2path('upper-id'))
 
2041
 
 
2042
 
 
2043
class TestCommitTransform(tests.TestCaseWithTransport):
 
2044
 
 
2045
    def get_branch(self):
 
2046
        tree = self.make_branch_and_tree('tree')
 
2047
        tree.lock_write()
 
2048
        self.addCleanup(tree.unlock)
 
2049
        tree.commit('empty commit')
 
2050
        return tree.branch
 
2051
 
 
2052
    def get_branch_and_transform(self):
 
2053
        branch = self.get_branch()
 
2054
        tt = TransformPreview(branch.basis_tree())
 
2055
        self.addCleanup(tt.finalize)
 
2056
        return branch, tt
 
2057
 
 
2058
    def test_commit_wrong_basis(self):
 
2059
        branch = self.get_branch()
 
2060
        basis = branch.repository.revision_tree(
 
2061
            _mod_revision.NULL_REVISION)
 
2062
        tt = TransformPreview(basis)
 
2063
        self.addCleanup(tt.finalize)
 
2064
        e = self.assertRaises(ValueError, tt.commit, branch, '')
 
2065
        self.assertEqual('TreeTransform not based on branch basis: null:',
 
2066
                         str(e))
 
2067
 
 
2068
    def test_empy_commit(self):
 
2069
        branch, tt = self.get_branch_and_transform()
 
2070
        rev = tt.commit(branch, 'my message')
 
2071
        self.assertEqual(2, branch.revno())
 
2072
        repo = branch.repository
 
2073
        self.assertEqual('my message', repo.get_revision(rev).message)
 
2074
 
 
2075
    def test_merge_parents(self):
 
2076
        branch, tt = self.get_branch_and_transform()
 
2077
        rev = tt.commit(branch, 'my message', ['rev1b', 'rev1c'])
 
2078
        self.assertEqual(['rev1b', 'rev1c'],
 
2079
                         branch.basis_tree().get_parent_ids()[1:])
 
2080
 
 
2081
    def test_first_commit(self):
 
2082
        branch = self.make_branch('branch')
 
2083
        branch.lock_write()
 
2084
        self.addCleanup(branch.unlock)
 
2085
        tt = TransformPreview(branch.basis_tree())
 
2086
        self.addCleanup(tt.finalize)
 
2087
        tt.new_directory('', ROOT_PARENT, 'TREE_ROOT')
 
2088
        rev = tt.commit(branch, 'my message')
 
2089
        self.assertEqual([], branch.basis_tree().get_parent_ids())
 
2090
        self.assertNotEqual(_mod_revision.NULL_REVISION,
 
2091
                            branch.last_revision())
 
2092
 
 
2093
    def test_first_commit_with_merge_parents(self):
 
2094
        branch = self.make_branch('branch')
 
2095
        branch.lock_write()
 
2096
        self.addCleanup(branch.unlock)
 
2097
        tt = TransformPreview(branch.basis_tree())
 
2098
        self.addCleanup(tt.finalize)
 
2099
        e = self.assertRaises(ValueError, tt.commit, branch,
 
2100
                          'my message', ['rev1b-id'])
 
2101
        self.assertEqual('Cannot supply merge parents for first commit.',
 
2102
                         str(e))
 
2103
        self.assertEqual(_mod_revision.NULL_REVISION, branch.last_revision())
 
2104
 
 
2105
    def test_add_files(self):
 
2106
        branch, tt = self.get_branch_and_transform()
 
2107
        tt.new_file('file', tt.root, 'contents', 'file-id')
 
2108
        trans_id = tt.new_directory('dir', tt.root, 'dir-id')
 
2109
        if SymlinkFeature.available():
 
2110
            tt.new_symlink('symlink', trans_id, 'target', 'symlink-id')
 
2111
        rev = tt.commit(branch, 'message')
 
2112
        tree = branch.basis_tree()
 
2113
        self.assertEqual('file', tree.id2path('file-id'))
 
2114
        self.assertEqual('contents', tree.get_file_text('file-id'))
 
2115
        self.assertEqual('dir', tree.id2path('dir-id'))
 
2116
        if SymlinkFeature.available():
 
2117
            self.assertEqual('dir/symlink', tree.id2path('symlink-id'))
 
2118
            self.assertEqual('target', tree.get_symlink_target('symlink-id'))
 
2119
 
 
2120
    def test_add_unversioned(self):
 
2121
        branch, tt = self.get_branch_and_transform()
 
2122
        tt.new_file('file', tt.root, 'contents')
 
2123
        self.assertRaises(errors.StrictCommitFailed, tt.commit, branch,
 
2124
                          'message', strict=True)
 
2125
 
 
2126
    def test_modify_strict(self):
 
2127
        branch, tt = self.get_branch_and_transform()
 
2128
        tt.new_file('file', tt.root, 'contents', 'file-id')
 
2129
        tt.commit(branch, 'message', strict=True)
 
2130
        tt = TransformPreview(branch.basis_tree())
 
2131
        self.addCleanup(tt.finalize)
 
2132
        trans_id = tt.trans_id_file_id('file-id')
 
2133
        tt.delete_contents(trans_id)
 
2134
        tt.create_file('contents', trans_id)
 
2135
        tt.commit(branch, 'message', strict=True)
 
2136
 
 
2137
    def test_commit_malformed(self):
 
2138
        """Committing a malformed transform should raise an exception.
 
2139
 
 
2140
        In this case, we are adding a file without adding its parent.
 
2141
        """
 
2142
        branch, tt = self.get_branch_and_transform()
 
2143
        parent_id = tt.trans_id_file_id('parent-id')
 
2144
        tt.new_file('file', parent_id, 'contents', 'file-id')
 
2145
        self.assertRaises(errors.MalformedTransform, tt.commit, branch,
 
2146
                          'message')
 
2147
 
 
2148
    def test_commit_rich_revision_data(self):
 
2149
        branch, tt = self.get_branch_and_transform()
 
2150
        rev_id = tt.commit(branch, 'message', timestamp=1, timezone=43201,
 
2151
                           committer='me <me@example.com>',
 
2152
                           revprops={'foo': 'bar'}, revision_id='revid-1',
 
2153
                           authors=['Author1 <author1@example.com>',
 
2154
                              'Author2 <author2@example.com>',
 
2155
                               ])
 
2156
        self.assertEqual('revid-1', rev_id)
 
2157
        revision = branch.repository.get_revision(rev_id)
 
2158
        self.assertEqual(1, revision.timestamp)
 
2159
        self.assertEqual(43201, revision.timezone)
 
2160
        self.assertEqual('me <me@example.com>', revision.committer)
 
2161
        self.assertEqual(['Author1 <author1@example.com>',
 
2162
                          'Author2 <author2@example.com>'],
 
2163
                         revision.get_apparent_authors())
 
2164
        del revision.properties['authors']
 
2165
        self.assertEqual({'foo': 'bar',
 
2166
                          'branch-nick': 'tree'},
 
2167
                         revision.properties)
 
2168
 
 
2169
    def test_no_explicit_revprops(self):
 
2170
        branch, tt = self.get_branch_and_transform()
 
2171
        rev_id = tt.commit(branch, 'message', authors=[
 
2172
            'Author1 <author1@example.com>',
 
2173
            'Author2 <author2@example.com>', ])
 
2174
        revision = branch.repository.get_revision(rev_id)
 
2175
        self.assertEqual(['Author1 <author1@example.com>',
 
2176
                          'Author2 <author2@example.com>'],
 
2177
                         revision.get_apparent_authors())
 
2178
        self.assertEqual('tree', revision.properties['branch-nick'])
 
2179
 
 
2180
 
 
2181
class MockTransform(object):
 
2182
 
 
2183
    def has_named_child(self, by_parent, parent_id, name):
 
2184
        for child_id in by_parent[parent_id]:
 
2185
            if child_id == '0':
 
2186
                if name == "name~":
 
2187
                    return True
 
2188
            elif name == "name.~%s~" % child_id:
 
2189
                return True
 
2190
        return False
 
2191
 
 
2192
 
 
2193
class MockEntry(object):
 
2194
    def __init__(self):
 
2195
        object.__init__(self)
 
2196
        self.name = "name"
 
2197
 
 
2198
 
 
2199
class TestGetBackupName(TestCase):
 
2200
    def test_get_backup_name(self):
 
2201
        tt = MockTransform()
 
2202
        name = get_backup_name(MockEntry(), {'a':[]}, 'a', tt)
 
2203
        self.assertEqual(name, 'name.~1~')
 
2204
        name = get_backup_name(MockEntry(), {'a':['1']}, 'a', tt)
 
2205
        self.assertEqual(name, 'name.~2~')
 
2206
        name = get_backup_name(MockEntry(), {'a':['2']}, 'a', tt)
 
2207
        self.assertEqual(name, 'name.~1~')
 
2208
        name = get_backup_name(MockEntry(), {'a':['2'], 'b':[]}, 'b', tt)
 
2209
        self.assertEqual(name, 'name.~1~')
 
2210
        name = get_backup_name(MockEntry(), {'a':['1', '2', '3']}, 'a', tt)
 
2211
        self.assertEqual(name, 'name.~4~')
 
2212
 
 
2213
 
 
2214
class TestFileMover(tests.TestCaseWithTransport):
 
2215
 
 
2216
    def test_file_mover(self):
 
2217
        self.build_tree(['a/', 'a/b', 'c/', 'c/d'])
 
2218
        mover = _FileMover()
 
2219
        mover.rename('a', 'q')
 
2220
        self.failUnlessExists('q')
 
2221
        self.failIfExists('a')
 
2222
        self.failUnlessExists('q/b')
 
2223
        self.failUnlessExists('c')
 
2224
        self.failUnlessExists('c/d')
 
2225
 
 
2226
    def test_pre_delete_rollback(self):
 
2227
        self.build_tree(['a/'])
 
2228
        mover = _FileMover()
 
2229
        mover.pre_delete('a', 'q')
 
2230
        self.failUnlessExists('q')
 
2231
        self.failIfExists('a')
 
2232
        mover.rollback()
 
2233
        self.failIfExists('q')
 
2234
        self.failUnlessExists('a')
 
2235
 
 
2236
    def test_apply_deletions(self):
 
2237
        self.build_tree(['a/', 'b/'])
 
2238
        mover = _FileMover()
 
2239
        mover.pre_delete('a', 'q')
 
2240
        mover.pre_delete('b', 'r')
 
2241
        self.failUnlessExists('q')
 
2242
        self.failUnlessExists('r')
 
2243
        self.failIfExists('a')
 
2244
        self.failIfExists('b')
 
2245
        mover.apply_deletions()
 
2246
        self.failIfExists('q')
 
2247
        self.failIfExists('r')
 
2248
        self.failIfExists('a')
 
2249
        self.failIfExists('b')
 
2250
 
 
2251
    def test_file_mover_rollback(self):
 
2252
        self.build_tree(['a/', 'a/b', 'c/', 'c/d/', 'c/e/'])
 
2253
        mover = _FileMover()
 
2254
        mover.rename('c/d', 'c/f')
 
2255
        mover.rename('c/e', 'c/d')
 
2256
        try:
 
2257
            mover.rename('a', 'c')
 
2258
        except errors.FileExists, e:
 
2259
            mover.rollback()
 
2260
        self.failUnlessExists('a')
 
2261
        self.failUnlessExists('c/d')
 
2262
 
 
2263
 
 
2264
class Bogus(Exception):
 
2265
    pass
 
2266
 
 
2267
 
 
2268
class TestTransformRollback(tests.TestCaseWithTransport):
 
2269
 
 
2270
    class ExceptionFileMover(_FileMover):
 
2271
 
 
2272
        def __init__(self, bad_source=None, bad_target=None):
 
2273
            _FileMover.__init__(self)
 
2274
            self.bad_source = bad_source
 
2275
            self.bad_target = bad_target
 
2276
 
 
2277
        def rename(self, source, target):
 
2278
            if (self.bad_source is not None and
 
2279
                source.endswith(self.bad_source)):
 
2280
                raise Bogus
 
2281
            elif (self.bad_target is not None and
 
2282
                target.endswith(self.bad_target)):
 
2283
                raise Bogus
 
2284
            else:
 
2285
                _FileMover.rename(self, source, target)
 
2286
 
 
2287
    def test_rollback_rename(self):
 
2288
        tree = self.make_branch_and_tree('.')
 
2289
        self.build_tree(['a/', 'a/b'])
 
2290
        tt = TreeTransform(tree)
 
2291
        self.addCleanup(tt.finalize)
 
2292
        a_id = tt.trans_id_tree_path('a')
 
2293
        tt.adjust_path('c', tt.root, a_id)
 
2294
        tt.adjust_path('d', a_id, tt.trans_id_tree_path('a/b'))
 
2295
        self.assertRaises(Bogus, tt.apply,
 
2296
                          _mover=self.ExceptionFileMover(bad_source='a'))
 
2297
        self.failUnlessExists('a')
 
2298
        self.failUnlessExists('a/b')
 
2299
        tt.apply()
 
2300
        self.failUnlessExists('c')
 
2301
        self.failUnlessExists('c/d')
 
2302
 
 
2303
    def test_rollback_rename_into_place(self):
 
2304
        tree = self.make_branch_and_tree('.')
 
2305
        self.build_tree(['a/', 'a/b'])
 
2306
        tt = TreeTransform(tree)
 
2307
        self.addCleanup(tt.finalize)
 
2308
        a_id = tt.trans_id_tree_path('a')
 
2309
        tt.adjust_path('c', tt.root, a_id)
 
2310
        tt.adjust_path('d', a_id, tt.trans_id_tree_path('a/b'))
 
2311
        self.assertRaises(Bogus, tt.apply,
 
2312
                          _mover=self.ExceptionFileMover(bad_target='c/d'))
 
2313
        self.failUnlessExists('a')
 
2314
        self.failUnlessExists('a/b')
 
2315
        tt.apply()
 
2316
        self.failUnlessExists('c')
 
2317
        self.failUnlessExists('c/d')
 
2318
 
 
2319
    def test_rollback_deletion(self):
 
2320
        tree = self.make_branch_and_tree('.')
 
2321
        self.build_tree(['a/', 'a/b'])
 
2322
        tt = TreeTransform(tree)
 
2323
        self.addCleanup(tt.finalize)
 
2324
        a_id = tt.trans_id_tree_path('a')
 
2325
        tt.delete_contents(a_id)
 
2326
        tt.adjust_path('d', tt.root, tt.trans_id_tree_path('a/b'))
 
2327
        self.assertRaises(Bogus, tt.apply,
 
2328
                          _mover=self.ExceptionFileMover(bad_target='d'))
 
2329
        self.failUnlessExists('a')
 
2330
        self.failUnlessExists('a/b')
 
2331
 
 
2332
    def test_resolve_no_parent(self):
 
2333
        wt = self.make_branch_and_tree('.')
 
2334
        tt = TreeTransform(wt)
 
2335
        self.addCleanup(tt.finalize)
 
2336
        parent = tt.trans_id_file_id('parent-id')
 
2337
        tt.new_file('file', parent, 'Contents')
 
2338
        resolve_conflicts(tt)
 
2339
 
 
2340
 
 
2341
A_ENTRY = ('a-id', ('a', 'a'), True, (True, True),
 
2342
                  ('TREE_ROOT', 'TREE_ROOT'), ('a', 'a'), ('file', 'file'),
 
2343
                  (False, False))
 
2344
ROOT_ENTRY = ('TREE_ROOT', ('', ''), False, (True, True), (None, None),
 
2345
              ('', ''), ('directory', 'directory'), (False, None))
 
2346
 
 
2347
 
 
2348
class TestTransformPreview(tests.TestCaseWithTransport):
 
2349
 
 
2350
    def create_tree(self):
 
2351
        tree = self.make_branch_and_tree('.')
 
2352
        self.build_tree_contents([('a', 'content 1')])
 
2353
        tree.set_root_id('TREE_ROOT')
 
2354
        tree.add('a', 'a-id')
 
2355
        tree.commit('rev1', rev_id='rev1')
 
2356
        return tree.branch.repository.revision_tree('rev1')
 
2357
 
 
2358
    def get_empty_preview(self):
 
2359
        repository = self.make_repository('repo')
 
2360
        tree = repository.revision_tree(_mod_revision.NULL_REVISION)
 
2361
        preview = TransformPreview(tree)
 
2362
        self.addCleanup(preview.finalize)
 
2363
        return preview
 
2364
 
 
2365
    def test_transform_preview(self):
 
2366
        revision_tree = self.create_tree()
 
2367
        preview = TransformPreview(revision_tree)
 
2368
        self.addCleanup(preview.finalize)
 
2369
 
 
2370
    def test_transform_preview_tree(self):
 
2371
        revision_tree = self.create_tree()
 
2372
        preview = TransformPreview(revision_tree)
 
2373
        self.addCleanup(preview.finalize)
 
2374
        preview.get_preview_tree()
 
2375
 
 
2376
    def test_transform_new_file(self):
 
2377
        revision_tree = self.create_tree()
 
2378
        preview = TransformPreview(revision_tree)
 
2379
        self.addCleanup(preview.finalize)
 
2380
        preview.new_file('file2', preview.root, 'content B\n', 'file2-id')
 
2381
        preview_tree = preview.get_preview_tree()
 
2382
        self.assertEqual(preview_tree.kind('file2-id'), 'file')
 
2383
        self.assertEqual(
 
2384
            preview_tree.get_file('file2-id').read(), 'content B\n')
 
2385
 
 
2386
    def test_diff_preview_tree(self):
 
2387
        revision_tree = self.create_tree()
 
2388
        preview = TransformPreview(revision_tree)
 
2389
        self.addCleanup(preview.finalize)
 
2390
        preview.new_file('file2', preview.root, 'content B\n', 'file2-id')
 
2391
        preview_tree = preview.get_preview_tree()
 
2392
        out = StringIO()
 
2393
        show_diff_trees(revision_tree, preview_tree, out)
 
2394
        lines = out.getvalue().splitlines()
 
2395
        self.assertEqual(lines[0], "=== added file 'file2'")
 
2396
        # 3 lines of diff administrivia
 
2397
        self.assertEqual(lines[4], "+content B")
 
2398
 
 
2399
    def test_transform_conflicts(self):
 
2400
        revision_tree = self.create_tree()
 
2401
        preview = TransformPreview(revision_tree)
 
2402
        self.addCleanup(preview.finalize)
 
2403
        preview.new_file('a', preview.root, 'content 2')
 
2404
        resolve_conflicts(preview)
 
2405
        trans_id = preview.trans_id_file_id('a-id')
 
2406
        self.assertEqual('a.moved', preview.final_name(trans_id))
 
2407
 
 
2408
    def get_tree_and_preview_tree(self):
 
2409
        revision_tree = self.create_tree()
 
2410
        preview = TransformPreview(revision_tree)
 
2411
        self.addCleanup(preview.finalize)
 
2412
        a_trans_id = preview.trans_id_file_id('a-id')
 
2413
        preview.delete_contents(a_trans_id)
 
2414
        preview.create_file('b content', a_trans_id)
 
2415
        preview_tree = preview.get_preview_tree()
 
2416
        return revision_tree, preview_tree
 
2417
 
 
2418
    def test_iter_changes(self):
 
2419
        revision_tree, preview_tree = self.get_tree_and_preview_tree()
 
2420
        root = revision_tree.inventory.root.file_id
 
2421
        self.assertEqual([('a-id', ('a', 'a'), True, (True, True),
 
2422
                          (root, root), ('a', 'a'), ('file', 'file'),
 
2423
                          (False, False))],
 
2424
                          list(preview_tree.iter_changes(revision_tree)))
 
2425
 
 
2426
    def test_include_unchanged_succeeds(self):
 
2427
        revision_tree, preview_tree = self.get_tree_and_preview_tree()
 
2428
        changes = preview_tree.iter_changes(revision_tree,
 
2429
                                            include_unchanged=True)
 
2430
        root = revision_tree.inventory.root.file_id
 
2431
 
 
2432
        self.assertEqual([ROOT_ENTRY, A_ENTRY], list(changes))
 
2433
 
 
2434
    def test_specific_files(self):
 
2435
        revision_tree, preview_tree = self.get_tree_and_preview_tree()
 
2436
        changes = preview_tree.iter_changes(revision_tree,
 
2437
                                            specific_files=[''])
 
2438
        self.assertEqual([ROOT_ENTRY, A_ENTRY], list(changes))
 
2439
 
 
2440
    def test_want_unversioned(self):
 
2441
        revision_tree, preview_tree = self.get_tree_and_preview_tree()
 
2442
        changes = preview_tree.iter_changes(revision_tree,
 
2443
                                            want_unversioned=True)
 
2444
        self.assertEqual([ROOT_ENTRY, A_ENTRY], list(changes))
 
2445
 
 
2446
    def test_ignore_extra_trees_no_specific_files(self):
 
2447
        # extra_trees is harmless without specific_files, so we'll silently
 
2448
        # accept it, even though we won't use it.
 
2449
        revision_tree, preview_tree = self.get_tree_and_preview_tree()
 
2450
        preview_tree.iter_changes(revision_tree, extra_trees=[preview_tree])
 
2451
 
 
2452
    def test_ignore_require_versioned_no_specific_files(self):
 
2453
        # require_versioned is meaningless without specific_files.
 
2454
        revision_tree, preview_tree = self.get_tree_and_preview_tree()
 
2455
        preview_tree.iter_changes(revision_tree, require_versioned=False)
 
2456
 
 
2457
    def test_ignore_pb(self):
 
2458
        # pb could be supported, but TT.iter_changes doesn't support it.
 
2459
        revision_tree, preview_tree = self.get_tree_and_preview_tree()
 
2460
        preview_tree.iter_changes(revision_tree)
 
2461
 
 
2462
    def test_kind(self):
 
2463
        revision_tree = self.create_tree()
 
2464
        preview = TransformPreview(revision_tree)
 
2465
        self.addCleanup(preview.finalize)
 
2466
        preview.new_file('file', preview.root, 'contents', 'file-id')
 
2467
        preview.new_directory('directory', preview.root, 'dir-id')
 
2468
        preview_tree = preview.get_preview_tree()
 
2469
        self.assertEqual('file', preview_tree.kind('file-id'))
 
2470
        self.assertEqual('directory', preview_tree.kind('dir-id'))
 
2471
 
 
2472
    def test_get_file_mtime(self):
 
2473
        preview = self.get_empty_preview()
 
2474
        file_trans_id = preview.new_file('file', preview.root, 'contents',
 
2475
                                         'file-id')
 
2476
        limbo_path = preview._limbo_name(file_trans_id)
 
2477
        preview_tree = preview.get_preview_tree()
 
2478
        self.assertEqual(os.stat(limbo_path).st_mtime,
 
2479
                         preview_tree.get_file_mtime('file-id'))
 
2480
 
 
2481
    def test_get_file_mtime_renamed(self):
 
2482
        work_tree = self.make_branch_and_tree('tree')
 
2483
        self.build_tree(['tree/file'])
 
2484
        work_tree.add('file', 'file-id')
 
2485
        preview = TransformPreview(work_tree)
 
2486
        self.addCleanup(preview.finalize)
 
2487
        file_trans_id = preview.trans_id_tree_file_id('file-id')
 
2488
        preview.adjust_path('renamed', preview.root, file_trans_id)
 
2489
        preview_tree = preview.get_preview_tree()
 
2490
        preview_mtime = preview_tree.get_file_mtime('file-id', 'renamed')
 
2491
        work_mtime = work_tree.get_file_mtime('file-id', 'file')
 
2492
 
 
2493
    def test_get_file(self):
 
2494
        preview = self.get_empty_preview()
 
2495
        preview.new_file('file', preview.root, 'contents', 'file-id')
 
2496
        preview_tree = preview.get_preview_tree()
 
2497
        tree_file = preview_tree.get_file('file-id')
 
2498
        try:
 
2499
            self.assertEqual('contents', tree_file.read())
 
2500
        finally:
 
2501
            tree_file.close()
 
2502
 
 
2503
    def test_get_symlink_target(self):
 
2504
        self.requireFeature(SymlinkFeature)
 
2505
        preview = self.get_empty_preview()
 
2506
        preview.new_symlink('symlink', preview.root, 'target', 'symlink-id')
 
2507
        preview_tree = preview.get_preview_tree()
 
2508
        self.assertEqual('target',
 
2509
                         preview_tree.get_symlink_target('symlink-id'))
 
2510
 
 
2511
    def test_all_file_ids(self):
 
2512
        tree = self.make_branch_and_tree('tree')
 
2513
        self.build_tree(['tree/a', 'tree/b', 'tree/c'])
 
2514
        tree.add(['a', 'b', 'c'], ['a-id', 'b-id', 'c-id'])
 
2515
        preview = TransformPreview(tree)
 
2516
        self.addCleanup(preview.finalize)
 
2517
        preview.unversion_file(preview.trans_id_file_id('b-id'))
 
2518
        c_trans_id = preview.trans_id_file_id('c-id')
 
2519
        preview.unversion_file(c_trans_id)
 
2520
        preview.version_file('c-id', c_trans_id)
 
2521
        preview_tree = preview.get_preview_tree()
 
2522
        self.assertEqual(set(['a-id', 'c-id', tree.get_root_id()]),
 
2523
                         preview_tree.all_file_ids())
 
2524
 
 
2525
    def test_path2id_deleted_unchanged(self):
 
2526
        tree = self.make_branch_and_tree('tree')
 
2527
        self.build_tree(['tree/unchanged', 'tree/deleted'])
 
2528
        tree.add(['unchanged', 'deleted'], ['unchanged-id', 'deleted-id'])
 
2529
        preview = TransformPreview(tree)
 
2530
        self.addCleanup(preview.finalize)
 
2531
        preview.unversion_file(preview.trans_id_file_id('deleted-id'))
 
2532
        preview_tree = preview.get_preview_tree()
 
2533
        self.assertEqual('unchanged-id', preview_tree.path2id('unchanged'))
 
2534
        self.assertIs(None, preview_tree.path2id('deleted'))
 
2535
 
 
2536
    def test_path2id_created(self):
 
2537
        tree = self.make_branch_and_tree('tree')
 
2538
        self.build_tree(['tree/unchanged'])
 
2539
        tree.add(['unchanged'], ['unchanged-id'])
 
2540
        preview = TransformPreview(tree)
 
2541
        self.addCleanup(preview.finalize)
 
2542
        preview.new_file('new', preview.trans_id_file_id('unchanged-id'),
 
2543
            'contents', 'new-id')
 
2544
        preview_tree = preview.get_preview_tree()
 
2545
        self.assertEqual('new-id', preview_tree.path2id('unchanged/new'))
 
2546
 
 
2547
    def test_path2id_moved(self):
 
2548
        tree = self.make_branch_and_tree('tree')
 
2549
        self.build_tree(['tree/old_parent/', 'tree/old_parent/child'])
 
2550
        tree.add(['old_parent', 'old_parent/child'],
 
2551
                 ['old_parent-id', 'child-id'])
 
2552
        preview = TransformPreview(tree)
 
2553
        self.addCleanup(preview.finalize)
 
2554
        new_parent = preview.new_directory('new_parent', preview.root,
 
2555
                                           'new_parent-id')
 
2556
        preview.adjust_path('child', new_parent,
 
2557
                            preview.trans_id_file_id('child-id'))
 
2558
        preview_tree = preview.get_preview_tree()
 
2559
        self.assertIs(None, preview_tree.path2id('old_parent/child'))
 
2560
        self.assertEqual('child-id', preview_tree.path2id('new_parent/child'))
 
2561
 
 
2562
    def test_path2id_renamed_parent(self):
 
2563
        tree = self.make_branch_and_tree('tree')
 
2564
        self.build_tree(['tree/old_name/', 'tree/old_name/child'])
 
2565
        tree.add(['old_name', 'old_name/child'],
 
2566
                 ['parent-id', 'child-id'])
 
2567
        preview = TransformPreview(tree)
 
2568
        self.addCleanup(preview.finalize)
 
2569
        preview.adjust_path('new_name', preview.root,
 
2570
                            preview.trans_id_file_id('parent-id'))
 
2571
        preview_tree = preview.get_preview_tree()
 
2572
        self.assertIs(None, preview_tree.path2id('old_name/child'))
 
2573
        self.assertEqual('child-id', preview_tree.path2id('new_name/child'))
 
2574
 
 
2575
    def assertMatchingIterEntries(self, tt, specific_file_ids=None):
 
2576
        preview_tree = tt.get_preview_tree()
 
2577
        preview_result = list(preview_tree.iter_entries_by_dir(
 
2578
                              specific_file_ids))
 
2579
        tree = tt._tree
 
2580
        tt.apply()
 
2581
        actual_result = list(tree.iter_entries_by_dir(specific_file_ids))
 
2582
        self.assertEqual(actual_result, preview_result)
 
2583
 
 
2584
    def test_iter_entries_by_dir_new(self):
 
2585
        tree = self.make_branch_and_tree('tree')
 
2586
        tt = TreeTransform(tree)
 
2587
        tt.new_file('new', tt.root, 'contents', 'new-id')
 
2588
        self.assertMatchingIterEntries(tt)
 
2589
 
 
2590
    def test_iter_entries_by_dir_deleted(self):
 
2591
        tree = self.make_branch_and_tree('tree')
 
2592
        self.build_tree(['tree/deleted'])
 
2593
        tree.add('deleted', 'deleted-id')
 
2594
        tt = TreeTransform(tree)
 
2595
        tt.delete_contents(tt.trans_id_file_id('deleted-id'))
 
2596
        self.assertMatchingIterEntries(tt)
 
2597
 
 
2598
    def test_iter_entries_by_dir_unversioned(self):
 
2599
        tree = self.make_branch_and_tree('tree')
 
2600
        self.build_tree(['tree/removed'])
 
2601
        tree.add('removed', 'removed-id')
 
2602
        tt = TreeTransform(tree)
 
2603
        tt.unversion_file(tt.trans_id_file_id('removed-id'))
 
2604
        self.assertMatchingIterEntries(tt)
 
2605
 
 
2606
    def test_iter_entries_by_dir_moved(self):
 
2607
        tree = self.make_branch_and_tree('tree')
 
2608
        self.build_tree(['tree/moved', 'tree/new_parent/'])
 
2609
        tree.add(['moved', 'new_parent'], ['moved-id', 'new_parent-id'])
 
2610
        tt = TreeTransform(tree)
 
2611
        tt.adjust_path('moved', tt.trans_id_file_id('new_parent-id'),
 
2612
                       tt.trans_id_file_id('moved-id'))
 
2613
        self.assertMatchingIterEntries(tt)
 
2614
 
 
2615
    def test_iter_entries_by_dir_specific_file_ids(self):
 
2616
        tree = self.make_branch_and_tree('tree')
 
2617
        tree.set_root_id('tree-root-id')
 
2618
        self.build_tree(['tree/parent/', 'tree/parent/child'])
 
2619
        tree.add(['parent', 'parent/child'], ['parent-id', 'child-id'])
 
2620
        tt = TreeTransform(tree)
 
2621
        self.assertMatchingIterEntries(tt, ['tree-root-id', 'child-id'])
 
2622
 
 
2623
    def test_symlink_content_summary(self):
 
2624
        self.requireFeature(SymlinkFeature)
 
2625
        preview = self.get_empty_preview()
 
2626
        preview.new_symlink('path', preview.root, 'target', 'path-id')
 
2627
        summary = preview.get_preview_tree().path_content_summary('path')
 
2628
        self.assertEqual(('symlink', None, None, 'target'), summary)
 
2629
 
 
2630
    def test_missing_content_summary(self):
 
2631
        preview = self.get_empty_preview()
 
2632
        summary = preview.get_preview_tree().path_content_summary('path')
 
2633
        self.assertEqual(('missing', None, None, None), summary)
 
2634
 
 
2635
    def test_deleted_content_summary(self):
 
2636
        tree = self.make_branch_and_tree('tree')
 
2637
        self.build_tree(['tree/path/'])
 
2638
        tree.add('path')
 
2639
        preview = TransformPreview(tree)
 
2640
        self.addCleanup(preview.finalize)
 
2641
        preview.delete_contents(preview.trans_id_tree_path('path'))
 
2642
        summary = preview.get_preview_tree().path_content_summary('path')
 
2643
        self.assertEqual(('missing', None, None, None), summary)
 
2644
 
 
2645
    def test_file_content_summary_executable(self):
 
2646
        preview = self.get_empty_preview()
 
2647
        path_id = preview.new_file('path', preview.root, 'contents', 'path-id')
 
2648
        preview.set_executability(True, path_id)
 
2649
        summary = preview.get_preview_tree().path_content_summary('path')
 
2650
        self.assertEqual(4, len(summary))
 
2651
        self.assertEqual('file', summary[0])
 
2652
        # size must be known
 
2653
        self.assertEqual(len('contents'), summary[1])
 
2654
        # executable
 
2655
        self.assertEqual(True, summary[2])
 
2656
        # will not have hash (not cheap to determine)
 
2657
        self.assertIs(None, summary[3])
 
2658
 
 
2659
    def test_change_executability(self):
 
2660
        tree = self.make_branch_and_tree('tree')
 
2661
        self.build_tree(['tree/path'])
 
2662
        tree.add('path')
 
2663
        preview = TransformPreview(tree)
 
2664
        self.addCleanup(preview.finalize)
 
2665
        path_id = preview.trans_id_tree_path('path')
 
2666
        preview.set_executability(True, path_id)
 
2667
        summary = preview.get_preview_tree().path_content_summary('path')
 
2668
        self.assertEqual(True, summary[2])
 
2669
 
 
2670
    def test_file_content_summary_non_exec(self):
 
2671
        preview = self.get_empty_preview()
 
2672
        preview.new_file('path', preview.root, 'contents', 'path-id')
 
2673
        summary = preview.get_preview_tree().path_content_summary('path')
 
2674
        self.assertEqual(4, len(summary))
 
2675
        self.assertEqual('file', summary[0])
 
2676
        # size must be known
 
2677
        self.assertEqual(len('contents'), summary[1])
 
2678
        # not executable
 
2679
        self.assertEqual(False, summary[2])
 
2680
        # will not have hash (not cheap to determine)
 
2681
        self.assertIs(None, summary[3])
 
2682
 
 
2683
    def test_dir_content_summary(self):
 
2684
        preview = self.get_empty_preview()
 
2685
        preview.new_directory('path', preview.root, 'path-id')
 
2686
        summary = preview.get_preview_tree().path_content_summary('path')
 
2687
        self.assertEqual(('directory', None, None, None), summary)
 
2688
 
 
2689
    def test_tree_content_summary(self):
 
2690
        preview = self.get_empty_preview()
 
2691
        path = preview.new_directory('path', preview.root, 'path-id')
 
2692
        preview.set_tree_reference('rev-1', path)
 
2693
        summary = preview.get_preview_tree().path_content_summary('path')
 
2694
        self.assertEqual(4, len(summary))
 
2695
        self.assertEqual('tree-reference', summary[0])
 
2696
 
 
2697
    def test_annotate(self):
 
2698
        tree = self.make_branch_and_tree('tree')
 
2699
        self.build_tree_contents([('tree/file', 'a\n')])
 
2700
        tree.add('file', 'file-id')
 
2701
        tree.commit('a', rev_id='one')
 
2702
        self.build_tree_contents([('tree/file', 'a\nb\n')])
 
2703
        preview = TransformPreview(tree)
 
2704
        self.addCleanup(preview.finalize)
 
2705
        file_trans_id = preview.trans_id_file_id('file-id')
 
2706
        preview.delete_contents(file_trans_id)
 
2707
        preview.create_file('a\nb\nc\n', file_trans_id)
 
2708
        preview_tree = preview.get_preview_tree()
 
2709
        expected = [
 
2710
            ('one', 'a\n'),
 
2711
            ('me:', 'b\n'),
 
2712
            ('me:', 'c\n'),
 
2713
        ]
 
2714
        annotation = preview_tree.annotate_iter('file-id', 'me:')
 
2715
        self.assertEqual(expected, annotation)
 
2716
 
 
2717
    def test_annotate_missing(self):
 
2718
        preview = self.get_empty_preview()
 
2719
        preview.new_file('file', preview.root, 'a\nb\nc\n', 'file-id')
 
2720
        preview_tree = preview.get_preview_tree()
 
2721
        expected = [
 
2722
            ('me:', 'a\n'),
 
2723
            ('me:', 'b\n'),
 
2724
            ('me:', 'c\n'),
 
2725
         ]
 
2726
        annotation = preview_tree.annotate_iter('file-id', 'me:')
 
2727
        self.assertEqual(expected, annotation)
 
2728
 
 
2729
    def test_annotate_rename(self):
 
2730
        tree = self.make_branch_and_tree('tree')
 
2731
        self.build_tree_contents([('tree/file', 'a\n')])
 
2732
        tree.add('file', 'file-id')
 
2733
        tree.commit('a', rev_id='one')
 
2734
        preview = TransformPreview(tree)
 
2735
        self.addCleanup(preview.finalize)
 
2736
        file_trans_id = preview.trans_id_file_id('file-id')
 
2737
        preview.adjust_path('newname', preview.root, file_trans_id)
 
2738
        preview_tree = preview.get_preview_tree()
 
2739
        expected = [
 
2740
            ('one', 'a\n'),
 
2741
        ]
 
2742
        annotation = preview_tree.annotate_iter('file-id', 'me:')
 
2743
        self.assertEqual(expected, annotation)
 
2744
 
 
2745
    def test_annotate_deleted(self):
 
2746
        tree = self.make_branch_and_tree('tree')
 
2747
        self.build_tree_contents([('tree/file', 'a\n')])
 
2748
        tree.add('file', 'file-id')
 
2749
        tree.commit('a', rev_id='one')
 
2750
        self.build_tree_contents([('tree/file', 'a\nb\n')])
 
2751
        preview = TransformPreview(tree)
 
2752
        self.addCleanup(preview.finalize)
 
2753
        file_trans_id = preview.trans_id_file_id('file-id')
 
2754
        preview.delete_contents(file_trans_id)
 
2755
        preview_tree = preview.get_preview_tree()
 
2756
        annotation = preview_tree.annotate_iter('file-id', 'me:')
 
2757
        self.assertIs(None, annotation)
 
2758
 
 
2759
    def test_stored_kind(self):
 
2760
        preview = self.get_empty_preview()
 
2761
        preview.new_file('file', preview.root, 'a\nb\nc\n', 'file-id')
 
2762
        preview_tree = preview.get_preview_tree()
 
2763
        self.assertEqual('file', preview_tree.stored_kind('file-id'))
 
2764
 
 
2765
    def test_is_executable(self):
 
2766
        preview = self.get_empty_preview()
 
2767
        preview.new_file('file', preview.root, 'a\nb\nc\n', 'file-id')
 
2768
        preview.set_executability(True, preview.trans_id_file_id('file-id'))
 
2769
        preview_tree = preview.get_preview_tree()
 
2770
        self.assertEqual(True, preview_tree.is_executable('file-id'))
 
2771
 
 
2772
    def test_get_set_parent_ids(self):
 
2773
        revision_tree, preview_tree = self.get_tree_and_preview_tree()
 
2774
        self.assertEqual([], preview_tree.get_parent_ids())
 
2775
        preview_tree.set_parent_ids(['rev-1'])
 
2776
        self.assertEqual(['rev-1'], preview_tree.get_parent_ids())
 
2777
 
 
2778
    def test_plan_file_merge(self):
 
2779
        work_a = self.make_branch_and_tree('wta')
 
2780
        self.build_tree_contents([('wta/file', 'a\nb\nc\nd\n')])
 
2781
        work_a.add('file', 'file-id')
 
2782
        base_id = work_a.commit('base version')
 
2783
        tree_b = work_a.bzrdir.sprout('wtb').open_workingtree()
 
2784
        preview = TransformPreview(work_a)
 
2785
        self.addCleanup(preview.finalize)
 
2786
        trans_id = preview.trans_id_file_id('file-id')
 
2787
        preview.delete_contents(trans_id)
 
2788
        preview.create_file('b\nc\nd\ne\n', trans_id)
 
2789
        self.build_tree_contents([('wtb/file', 'a\nc\nd\nf\n')])
 
2790
        tree_a = preview.get_preview_tree()
 
2791
        tree_a.set_parent_ids([base_id])
 
2792
        self.assertEqual([
 
2793
            ('killed-a', 'a\n'),
 
2794
            ('killed-b', 'b\n'),
 
2795
            ('unchanged', 'c\n'),
 
2796
            ('unchanged', 'd\n'),
 
2797
            ('new-a', 'e\n'),
 
2798
            ('new-b', 'f\n'),
 
2799
        ], list(tree_a.plan_file_merge('file-id', tree_b)))
 
2800
 
 
2801
    def test_plan_file_merge_revision_tree(self):
 
2802
        work_a = self.make_branch_and_tree('wta')
 
2803
        self.build_tree_contents([('wta/file', 'a\nb\nc\nd\n')])
 
2804
        work_a.add('file', 'file-id')
 
2805
        base_id = work_a.commit('base version')
 
2806
        tree_b = work_a.bzrdir.sprout('wtb').open_workingtree()
 
2807
        preview = TransformPreview(work_a.basis_tree())
 
2808
        self.addCleanup(preview.finalize)
 
2809
        trans_id = preview.trans_id_file_id('file-id')
 
2810
        preview.delete_contents(trans_id)
 
2811
        preview.create_file('b\nc\nd\ne\n', trans_id)
 
2812
        self.build_tree_contents([('wtb/file', 'a\nc\nd\nf\n')])
 
2813
        tree_a = preview.get_preview_tree()
 
2814
        tree_a.set_parent_ids([base_id])
 
2815
        self.assertEqual([
 
2816
            ('killed-a', 'a\n'),
 
2817
            ('killed-b', 'b\n'),
 
2818
            ('unchanged', 'c\n'),
 
2819
            ('unchanged', 'd\n'),
 
2820
            ('new-a', 'e\n'),
 
2821
            ('new-b', 'f\n'),
 
2822
        ], list(tree_a.plan_file_merge('file-id', tree_b)))
 
2823
 
 
2824
    def test_walkdirs(self):
 
2825
        preview = self.get_empty_preview()
 
2826
        root = preview.new_directory('', ROOT_PARENT, 'tree-root')
 
2827
        # FIXME: new_directory should mark root.
 
2828
        preview.fixup_new_roots()
 
2829
        preview_tree = preview.get_preview_tree()
 
2830
        file_trans_id = preview.new_file('a', preview.root, 'contents',
 
2831
                                         'a-id')
 
2832
        expected = [(('', 'tree-root'),
 
2833
                    [('a', 'a', 'file', None, 'a-id', 'file')])]
 
2834
        self.assertEqual(expected, list(preview_tree.walkdirs()))
 
2835
 
 
2836
    def test_extras(self):
 
2837
        work_tree = self.make_branch_and_tree('tree')
 
2838
        self.build_tree(['tree/removed-file', 'tree/existing-file',
 
2839
                         'tree/not-removed-file'])
 
2840
        work_tree.add(['removed-file', 'not-removed-file'])
 
2841
        preview = TransformPreview(work_tree)
 
2842
        self.addCleanup(preview.finalize)
 
2843
        preview.new_file('new-file', preview.root, 'contents')
 
2844
        preview.new_file('new-versioned-file', preview.root, 'contents',
 
2845
                         'new-versioned-id')
 
2846
        tree = preview.get_preview_tree()
 
2847
        preview.unversion_file(preview.trans_id_tree_path('removed-file'))
 
2848
        self.assertEqual(set(['new-file', 'removed-file', 'existing-file']),
 
2849
                         set(tree.extras()))
 
2850
 
 
2851
    def test_merge_into_preview(self):
 
2852
        work_tree = self.make_branch_and_tree('tree')
 
2853
        self.build_tree_contents([('tree/file','b\n')])
 
2854
        work_tree.add('file', 'file-id')
 
2855
        work_tree.commit('first commit')
 
2856
        child_tree = work_tree.bzrdir.sprout('child').open_workingtree()
 
2857
        self.build_tree_contents([('child/file','b\nc\n')])
 
2858
        child_tree.commit('child commit')
 
2859
        child_tree.lock_write()
 
2860
        self.addCleanup(child_tree.unlock)
 
2861
        work_tree.lock_write()
 
2862
        self.addCleanup(work_tree.unlock)
 
2863
        preview = TransformPreview(work_tree)
 
2864
        self.addCleanup(preview.finalize)
 
2865
        file_trans_id = preview.trans_id_file_id('file-id')
 
2866
        preview.delete_contents(file_trans_id)
 
2867
        preview.create_file('a\nb\n', file_trans_id)
 
2868
        preview_tree = preview.get_preview_tree()
 
2869
        merger = Merger.from_revision_ids(None, preview_tree,
 
2870
                                          child_tree.branch.last_revision(),
 
2871
                                          other_branch=child_tree.branch,
 
2872
                                          tree_branch=work_tree.branch)
 
2873
        merger.merge_type = Merge3Merger
 
2874
        tt = merger.make_merger().make_preview_transform()
 
2875
        self.addCleanup(tt.finalize)
 
2876
        final_tree = tt.get_preview_tree()
 
2877
        self.assertEqual('a\nb\nc\n', final_tree.get_file_text('file-id'))
 
2878
 
 
2879
    def test_merge_preview_into_workingtree(self):
 
2880
        tree = self.make_branch_and_tree('tree')
 
2881
        tree.set_root_id('TREE_ROOT')
 
2882
        tt = TransformPreview(tree)
 
2883
        self.addCleanup(tt.finalize)
 
2884
        tt.new_file('name', tt.root, 'content', 'file-id')
 
2885
        tree2 = self.make_branch_and_tree('tree2')
 
2886
        tree2.set_root_id('TREE_ROOT')
 
2887
        merger = Merger.from_uncommitted(tree2, tt.get_preview_tree(),
 
2888
                                         None, tree.basis_tree())
 
2889
        merger.merge_type = Merge3Merger
 
2890
        merger.do_merge()
 
2891
 
 
2892
    def test_merge_preview_into_workingtree_handles_conflicts(self):
 
2893
        tree = self.make_branch_and_tree('tree')
 
2894
        self.build_tree_contents([('tree/foo', 'bar')])
 
2895
        tree.add('foo', 'foo-id')
 
2896
        tree.commit('foo')
 
2897
        tt = TransformPreview(tree)
 
2898
        self.addCleanup(tt.finalize)
 
2899
        trans_id = tt.trans_id_file_id('foo-id')
 
2900
        tt.delete_contents(trans_id)
 
2901
        tt.create_file('baz', trans_id)
 
2902
        tree2 = tree.bzrdir.sprout('tree2').open_workingtree()
 
2903
        self.build_tree_contents([('tree2/foo', 'qux')])
 
2904
        pb = None
 
2905
        merger = Merger.from_uncommitted(tree2, tt.get_preview_tree(),
 
2906
                                         pb, tree.basis_tree())
 
2907
        merger.merge_type = Merge3Merger
 
2908
        merger.do_merge()
 
2909
 
 
2910
    def test_is_executable(self):
 
2911
        tree = self.make_branch_and_tree('tree')
 
2912
        preview = TransformPreview(tree)
 
2913
        self.addCleanup(preview.finalize)
 
2914
        preview.new_file('foo', preview.root, 'bar', 'baz-id')
 
2915
        preview_tree = preview.get_preview_tree()
 
2916
        self.assertEqual(False, preview_tree.is_executable('baz-id',
 
2917
                                                           'tree/foo'))
 
2918
        self.assertEqual(False, preview_tree.is_executable('baz-id'))
 
2919
 
 
2920
    def test_commit_preview_tree(self):
 
2921
        tree = self.make_branch_and_tree('tree')
 
2922
        rev_id = tree.commit('rev1')
 
2923
        tree.branch.lock_write()
 
2924
        self.addCleanup(tree.branch.unlock)
 
2925
        tt = TransformPreview(tree)
 
2926
        tt.new_file('file', tt.root, 'contents', 'file_id')
 
2927
        self.addCleanup(tt.finalize)
 
2928
        preview = tt.get_preview_tree()
 
2929
        preview.set_parent_ids([rev_id])
 
2930
        builder = tree.branch.get_commit_builder([rev_id])
 
2931
        list(builder.record_iter_changes(preview, rev_id, tt.iter_changes()))
 
2932
        builder.finish_inventory()
 
2933
        rev2_id = builder.commit('rev2')
 
2934
        rev2_tree = tree.branch.repository.revision_tree(rev2_id)
 
2935
        self.assertEqual('contents', rev2_tree.get_file_text('file_id'))
 
2936
 
 
2937
    def test_ascii_limbo_paths(self):
 
2938
        self.requireFeature(tests.UnicodeFilenameFeature)
 
2939
        branch = self.make_branch('any')
 
2940
        tree = branch.repository.revision_tree(_mod_revision.NULL_REVISION)
 
2941
        tt = TransformPreview(tree)
 
2942
        self.addCleanup(tt.finalize)
 
2943
        foo_id = tt.new_directory('', ROOT_PARENT)
 
2944
        bar_id = tt.new_file(u'\u1234bar', foo_id, 'contents')
 
2945
        limbo_path = tt._limbo_name(bar_id)
 
2946
        self.assertEqual(limbo_path.encode('ascii', 'replace'), limbo_path)
 
2947
 
 
2948
 
 
2949
class FakeSerializer(object):
 
2950
    """Serializer implementation that simply returns the input.
 
2951
 
 
2952
    The input is returned in the order used by pack.ContainerPushParser.
 
2953
    """
 
2954
    @staticmethod
 
2955
    def bytes_record(bytes, names):
 
2956
        return names, bytes
 
2957
 
 
2958
 
 
2959
class TestSerializeTransform(tests.TestCaseWithTransport):
 
2960
 
 
2961
    _test_needs_features = [tests.UnicodeFilenameFeature]
 
2962
 
 
2963
    def get_preview(self, tree=None):
 
2964
        if tree is None:
 
2965
            tree = self.make_branch_and_tree('tree')
 
2966
        tt = TransformPreview(tree)
 
2967
        self.addCleanup(tt.finalize)
 
2968
        return tt
 
2969
 
 
2970
    def assertSerializesTo(self, expected, tt):
 
2971
        records = list(tt.serialize(FakeSerializer()))
 
2972
        self.assertEqual(expected, records)
 
2973
 
 
2974
    @staticmethod
 
2975
    def default_attribs():
 
2976
        return {
 
2977
            '_id_number': 1,
 
2978
            '_new_name': {},
 
2979
            '_new_parent': {},
 
2980
            '_new_executability': {},
 
2981
            '_new_id': {},
 
2982
            '_tree_path_ids': {'': 'new-0'},
 
2983
            '_removed_id': [],
 
2984
            '_removed_contents': [],
 
2985
            '_non_present_ids': {},
 
2986
            }
 
2987
 
 
2988
    def make_records(self, attribs, contents):
 
2989
        records = [
 
2990
            (((('attribs'),),), bencode.bencode(attribs))]
 
2991
        records.extend([(((n, k),), c) for n, k, c in contents])
 
2992
        return records
 
2993
 
 
2994
    def creation_records(self):
 
2995
        attribs = self.default_attribs()
 
2996
        attribs['_id_number'] = 3
 
2997
        attribs['_new_name'] = {
 
2998
            'new-1': u'foo\u1234'.encode('utf-8'), 'new-2': 'qux'}
 
2999
        attribs['_new_id'] = {'new-1': 'baz', 'new-2': 'quxx'}
 
3000
        attribs['_new_parent'] = {'new-1': 'new-0', 'new-2': 'new-0'}
 
3001
        attribs['_new_executability'] = {'new-1': 1}
 
3002
        contents = [
 
3003
            ('new-1', 'file', 'i 1\nbar\n'),
 
3004
            ('new-2', 'directory', ''),
 
3005
            ]
 
3006
        return self.make_records(attribs, contents)
 
3007
 
 
3008
    def test_serialize_creation(self):
 
3009
        tt = self.get_preview()
 
3010
        tt.new_file(u'foo\u1234', tt.root, 'bar', 'baz', True)
 
3011
        tt.new_directory('qux', tt.root, 'quxx')
 
3012
        self.assertSerializesTo(self.creation_records(), tt)
 
3013
 
 
3014
    def test_deserialize_creation(self):
 
3015
        tt = self.get_preview()
 
3016
        tt.deserialize(iter(self.creation_records()))
 
3017
        self.assertEqual(3, tt._id_number)
 
3018
        self.assertEqual({'new-1': u'foo\u1234',
 
3019
                          'new-2': 'qux'}, tt._new_name)
 
3020
        self.assertEqual({'new-1': 'baz', 'new-2': 'quxx'}, tt._new_id)
 
3021
        self.assertEqual({'new-1': tt.root, 'new-2': tt.root}, tt._new_parent)
 
3022
        self.assertEqual({'baz': 'new-1', 'quxx': 'new-2'}, tt._r_new_id)
 
3023
        self.assertEqual({'new-1': True}, tt._new_executability)
 
3024
        self.assertEqual({'new-1': 'file',
 
3025
                          'new-2': 'directory'}, tt._new_contents)
 
3026
        foo_limbo = open(tt._limbo_name('new-1'), 'rb')
 
3027
        try:
 
3028
            foo_content = foo_limbo.read()
 
3029
        finally:
 
3030
            foo_limbo.close()
 
3031
        self.assertEqual('bar', foo_content)
 
3032
 
 
3033
    def symlink_creation_records(self):
 
3034
        attribs = self.default_attribs()
 
3035
        attribs['_id_number'] = 2
 
3036
        attribs['_new_name'] = {'new-1': u'foo\u1234'.encode('utf-8')}
 
3037
        attribs['_new_parent'] = {'new-1': 'new-0'}
 
3038
        contents = [('new-1', 'symlink', u'bar\u1234'.encode('utf-8'))]
 
3039
        return self.make_records(attribs, contents)
 
3040
 
 
3041
    def test_serialize_symlink_creation(self):
 
3042
        self.requireFeature(tests.SymlinkFeature)
 
3043
        tt = self.get_preview()
 
3044
        tt.new_symlink(u'foo\u1234', tt.root, u'bar\u1234')
 
3045
        self.assertSerializesTo(self.symlink_creation_records(), tt)
 
3046
 
 
3047
    def test_deserialize_symlink_creation(self):
 
3048
        self.requireFeature(tests.SymlinkFeature)
 
3049
        tt = self.get_preview()
 
3050
        tt.deserialize(iter(self.symlink_creation_records()))
 
3051
        abspath = tt._limbo_name('new-1')
 
3052
        foo_content = osutils.readlink(abspath)
 
3053
        self.assertEqual(u'bar\u1234', foo_content)
 
3054
 
 
3055
    def make_destruction_preview(self):
 
3056
        tree = self.make_branch_and_tree('.')
 
3057
        self.build_tree([u'foo\u1234', 'bar'])
 
3058
        tree.add([u'foo\u1234', 'bar'], ['foo-id', 'bar-id'])
 
3059
        return self.get_preview(tree)
 
3060
 
 
3061
    def destruction_records(self):
 
3062
        attribs = self.default_attribs()
 
3063
        attribs['_id_number'] = 3
 
3064
        attribs['_removed_id'] = ['new-1']
 
3065
        attribs['_removed_contents'] = ['new-2']
 
3066
        attribs['_tree_path_ids'] = {
 
3067
            '': 'new-0',
 
3068
            u'foo\u1234'.encode('utf-8'): 'new-1',
 
3069
            'bar': 'new-2',
 
3070
            }
 
3071
        return self.make_records(attribs, [])
 
3072
 
 
3073
    def test_serialize_destruction(self):
 
3074
        tt = self.make_destruction_preview()
 
3075
        foo_trans_id = tt.trans_id_tree_file_id('foo-id')
 
3076
        tt.unversion_file(foo_trans_id)
 
3077
        bar_trans_id = tt.trans_id_tree_file_id('bar-id')
 
3078
        tt.delete_contents(bar_trans_id)
 
3079
        self.assertSerializesTo(self.destruction_records(), tt)
 
3080
 
 
3081
    def test_deserialize_destruction(self):
 
3082
        tt = self.make_destruction_preview()
 
3083
        tt.deserialize(iter(self.destruction_records()))
 
3084
        self.assertEqual({u'foo\u1234': 'new-1',
 
3085
                          'bar': 'new-2',
 
3086
                          '': tt.root}, tt._tree_path_ids)
 
3087
        self.assertEqual({'new-1': u'foo\u1234',
 
3088
                          'new-2': 'bar',
 
3089
                          tt.root: ''}, tt._tree_id_paths)
 
3090
        self.assertEqual(set(['new-1']), tt._removed_id)
 
3091
        self.assertEqual(set(['new-2']), tt._removed_contents)
 
3092
 
 
3093
    def missing_records(self):
 
3094
        attribs = self.default_attribs()
 
3095
        attribs['_id_number'] = 2
 
3096
        attribs['_non_present_ids'] = {
 
3097
            'boo': 'new-1',}
 
3098
        return self.make_records(attribs, [])
 
3099
 
 
3100
    def test_serialize_missing(self):
 
3101
        tt = self.get_preview()
 
3102
        boo_trans_id = tt.trans_id_file_id('boo')
 
3103
        self.assertSerializesTo(self.missing_records(), tt)
 
3104
 
 
3105
    def test_deserialize_missing(self):
 
3106
        tt = self.get_preview()
 
3107
        tt.deserialize(iter(self.missing_records()))
 
3108
        self.assertEqual({'boo': 'new-1'}, tt._non_present_ids)
 
3109
 
 
3110
    def make_modification_preview(self):
 
3111
        LINES_ONE = 'aa\nbb\ncc\ndd\n'
 
3112
        LINES_TWO = 'z\nbb\nx\ndd\n'
 
3113
        tree = self.make_branch_and_tree('tree')
 
3114
        self.build_tree_contents([('tree/file', LINES_ONE)])
 
3115
        tree.add('file', 'file-id')
 
3116
        return self.get_preview(tree), LINES_TWO
 
3117
 
 
3118
    def modification_records(self):
 
3119
        attribs = self.default_attribs()
 
3120
        attribs['_id_number'] = 2
 
3121
        attribs['_tree_path_ids'] = {
 
3122
            'file': 'new-1',
 
3123
            '': 'new-0',}
 
3124
        attribs['_removed_contents'] = ['new-1']
 
3125
        contents = [('new-1', 'file',
 
3126
                     'i 1\nz\n\nc 0 1 1 1\ni 1\nx\n\nc 0 3 3 1\n')]
 
3127
        return self.make_records(attribs, contents)
 
3128
 
 
3129
    def test_serialize_modification(self):
 
3130
        tt, LINES = self.make_modification_preview()
 
3131
        trans_id = tt.trans_id_file_id('file-id')
 
3132
        tt.delete_contents(trans_id)
 
3133
        tt.create_file(LINES, trans_id)
 
3134
        self.assertSerializesTo(self.modification_records(), tt)
 
3135
 
 
3136
    def test_deserialize_modification(self):
 
3137
        tt, LINES = self.make_modification_preview()
 
3138
        tt.deserialize(iter(self.modification_records()))
 
3139
        self.assertFileEqual(LINES, tt._limbo_name('new-1'))
 
3140
 
 
3141
    def make_kind_change_preview(self):
 
3142
        LINES = 'a\nb\nc\nd\n'
 
3143
        tree = self.make_branch_and_tree('tree')
 
3144
        self.build_tree(['tree/foo/'])
 
3145
        tree.add('foo', 'foo-id')
 
3146
        return self.get_preview(tree), LINES
 
3147
 
 
3148
    def kind_change_records(self):
 
3149
        attribs = self.default_attribs()
 
3150
        attribs['_id_number'] = 2
 
3151
        attribs['_tree_path_ids'] = {
 
3152
            'foo': 'new-1',
 
3153
            '': 'new-0',}
 
3154
        attribs['_removed_contents'] = ['new-1']
 
3155
        contents = [('new-1', 'file',
 
3156
                     'i 4\na\nb\nc\nd\n\n')]
 
3157
        return self.make_records(attribs, contents)
 
3158
 
 
3159
    def test_serialize_kind_change(self):
 
3160
        tt, LINES = self.make_kind_change_preview()
 
3161
        trans_id = tt.trans_id_file_id('foo-id')
 
3162
        tt.delete_contents(trans_id)
 
3163
        tt.create_file(LINES, trans_id)
 
3164
        self.assertSerializesTo(self.kind_change_records(), tt)
 
3165
 
 
3166
    def test_deserialize_kind_change(self):
 
3167
        tt, LINES = self.make_kind_change_preview()
 
3168
        tt.deserialize(iter(self.kind_change_records()))
 
3169
        self.assertFileEqual(LINES, tt._limbo_name('new-1'))
 
3170
 
 
3171
    def make_add_contents_preview(self):
 
3172
        LINES = 'a\nb\nc\nd\n'
 
3173
        tree = self.make_branch_and_tree('tree')
 
3174
        self.build_tree(['tree/foo'])
 
3175
        tree.add('foo')
 
3176
        os.unlink('tree/foo')
 
3177
        return self.get_preview(tree), LINES
 
3178
 
 
3179
    def add_contents_records(self):
 
3180
        attribs = self.default_attribs()
 
3181
        attribs['_id_number'] = 2
 
3182
        attribs['_tree_path_ids'] = {
 
3183
            'foo': 'new-1',
 
3184
            '': 'new-0',}
 
3185
        contents = [('new-1', 'file',
 
3186
                     'i 4\na\nb\nc\nd\n\n')]
 
3187
        return self.make_records(attribs, contents)
 
3188
 
 
3189
    def test_serialize_add_contents(self):
 
3190
        tt, LINES = self.make_add_contents_preview()
 
3191
        trans_id = tt.trans_id_tree_path('foo')
 
3192
        tt.create_file(LINES, trans_id)
 
3193
        self.assertSerializesTo(self.add_contents_records(), tt)
 
3194
 
 
3195
    def test_deserialize_add_contents(self):
 
3196
        tt, LINES = self.make_add_contents_preview()
 
3197
        tt.deserialize(iter(self.add_contents_records()))
 
3198
        self.assertFileEqual(LINES, tt._limbo_name('new-1'))
 
3199
 
 
3200
    def test_get_parents_lines(self):
 
3201
        LINES_ONE = 'aa\nbb\ncc\ndd\n'
 
3202
        LINES_TWO = 'z\nbb\nx\ndd\n'
 
3203
        tree = self.make_branch_and_tree('tree')
 
3204
        self.build_tree_contents([('tree/file', LINES_ONE)])
 
3205
        tree.add('file', 'file-id')
 
3206
        tt = self.get_preview(tree)
 
3207
        trans_id = tt.trans_id_tree_path('file')
 
3208
        self.assertEqual((['aa\n', 'bb\n', 'cc\n', 'dd\n'],),
 
3209
            tt._get_parents_lines(trans_id))
 
3210
 
 
3211
    def test_get_parents_texts(self):
 
3212
        LINES_ONE = 'aa\nbb\ncc\ndd\n'
 
3213
        LINES_TWO = 'z\nbb\nx\ndd\n'
 
3214
        tree = self.make_branch_and_tree('tree')
 
3215
        self.build_tree_contents([('tree/file', LINES_ONE)])
 
3216
        tree.add('file', 'file-id')
 
3217
        tt = self.get_preview(tree)
 
3218
        trans_id = tt.trans_id_tree_path('file')
 
3219
        self.assertEqual((LINES_ONE,),
 
3220
            tt._get_parents_texts(trans_id))