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merge only needs a lock_tree_write() on the working tree, not a full lock_write()

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# Copyright (C) 2006, 2007, 2008 Canonical Ltd
 
1
# Copyright (C) 2006 Canonical Ltd
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#
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3
# This program is free software; you can redistribute it and/or modify
4
4
# it under the terms of the GNU General Public License as published by
16
16
 
17
17
import os
18
18
import stat
19
 
from StringIO import StringIO
20
19
import sys
21
20
 
22
21
from bzrlib import (
23
22
    errors,
24
23
    generate_ids,
25
 
    osutils,
26
 
    progress,
27
 
    revision as _mod_revision,
28
 
    symbol_versioning,
29
24
    tests,
30
25
    urlutils,
31
26
    )
32
27
from bzrlib.bzrdir import BzrDir
33
28
from bzrlib.conflicts import (DuplicateEntry, DuplicateID, MissingParent,
34
 
                              UnversionedParent, ParentLoop, DeletingParent,
35
 
                              NonDirectoryParent)
36
 
from bzrlib.diff import show_diff_trees
 
29
                              UnversionedParent, ParentLoop, DeletingParent,)
37
30
from bzrlib.errors import (DuplicateKey, MalformedTransform, NoSuchFile,
38
31
                           ReusingTransform, CantMoveRoot, 
39
32
                           PathsNotVersionedError, ExistingLimbo,
40
 
                           ExistingPendingDeletion, ImmortalLimbo,
41
 
                           ImmortalPendingDeletion, LockError)
42
 
from bzrlib.osutils import file_kind, pathjoin
43
 
from bzrlib.merge import Merge3Merger, Merger
44
 
from bzrlib.tests import (
45
 
    HardlinkFeature,
46
 
    SymlinkFeature,
47
 
    TestCase,
48
 
    TestCaseInTempDir,
49
 
    TestSkipped,
50
 
    )
 
33
                           ImmortalLimbo, LockError)
 
34
from bzrlib.osutils import file_kind, has_symlinks, pathjoin
 
35
from bzrlib.merge import Merge3Merger
 
36
from bzrlib.tests import TestCaseInTempDir, TestSkipped, TestCase
51
37
from bzrlib.transform import (TreeTransform, ROOT_PARENT, FinalPaths, 
52
38
                              resolve_conflicts, cook_conflicts, 
53
 
                              build_tree, get_backup_name,
54
 
                              _FileMover, resolve_checkout,
55
 
                              TransformPreview, create_from_tree)
56
 
from bzrlib.util import bencode
57
 
 
58
 
 
59
 
class TestTreeTransform(tests.TestCaseWithTransport):
 
39
                              find_interesting, build_tree, get_backup_name)
 
40
 
 
41
 
 
42
class TestTreeTransform(TestCaseInTempDir):
60
43
 
61
44
    def setUp(self):
62
45
        super(TestTreeTransform, self).setUp()
63
 
        self.wt = self.make_branch_and_tree('.', format='dirstate-with-subtree')
 
46
        self.wt = BzrDir.create_standalone_workingtree('.')
64
47
        os.chdir('..')
65
48
 
66
49
    def get_transform(self):
67
50
        transform = TreeTransform(self.wt)
68
 
        self.addCleanup(transform.finalize)
 
51
        #self.addCleanup(transform.finalize)
69
52
        return transform, transform.root
70
53
 
71
54
    def test_existing_limbo(self):
 
55
        limbo_name = urlutils.local_path_from_url(
 
56
            self.wt._control_files.controlfilename('limbo'))
72
57
        transform, root = self.get_transform()
73
 
        limbo_name = transform._limbodir
74
 
        deletion_path = transform._deletiondir
75
58
        os.mkdir(pathjoin(limbo_name, 'hehe'))
76
59
        self.assertRaises(ImmortalLimbo, transform.apply)
77
60
        self.assertRaises(LockError, self.wt.unlock)
79
62
        self.assertRaises(LockError, self.wt.unlock)
80
63
        os.rmdir(pathjoin(limbo_name, 'hehe'))
81
64
        os.rmdir(limbo_name)
82
 
        os.rmdir(deletion_path)
83
65
        transform, root = self.get_transform()
84
66
        transform.apply()
85
67
 
86
 
    def test_existing_pending_deletion(self):
87
 
        transform, root = self.get_transform()
88
 
        deletion_path = self._limbodir = urlutils.local_path_from_url(
89
 
            transform._tree._transport.abspath('pending-deletion'))
90
 
        os.mkdir(pathjoin(deletion_path, 'blocking-directory'))
91
 
        self.assertRaises(ImmortalPendingDeletion, transform.apply)
92
 
        self.assertRaises(LockError, self.wt.unlock)
93
 
        self.assertRaises(ExistingPendingDeletion, self.get_transform)
94
 
 
95
68
    def test_build(self):
96
 
        transform, root = self.get_transform()
97
 
        self.wt.lock_tree_write()
98
 
        self.addCleanup(self.wt.unlock)
 
69
        transform, root = self.get_transform() 
99
70
        self.assertIs(transform.get_tree_parent(root), ROOT_PARENT)
100
71
        imaginary_id = transform.trans_id_tree_path('imaginary')
101
72
        imaginary_id2 = transform.trans_id_tree_path('imaginary/')
136
107
        transform.finalize()
137
108
        transform.finalize()
138
109
 
139
 
    def test_hardlink(self):
140
 
        self.requireFeature(HardlinkFeature)
141
 
        transform, root = self.get_transform()
142
 
        transform.new_file('file1', root, 'contents')
143
 
        transform.apply()
144
 
        target = self.make_branch_and_tree('target')
145
 
        target_transform = TreeTransform(target)
146
 
        trans_id = target_transform.create_path('file1', target_transform.root)
147
 
        target_transform.create_hardlink(self.wt.abspath('file1'), trans_id)
148
 
        target_transform.apply()
149
 
        self.failUnlessExists('target/file1')
150
 
        source_stat = os.stat(self.wt.abspath('file1'))
151
 
        target_stat = os.stat('target/file1')
152
 
        self.assertEqual(source_stat, target_stat)
153
 
 
154
110
    def test_convenience(self):
155
111
        transform, root = self.get_transform()
156
 
        self.wt.lock_tree_write()
157
 
        self.addCleanup(self.wt.unlock)
158
112
        trans_id = transform.new_file('name', root, 'contents', 
159
113
                                      'my_pretties', True)
160
114
        oz = transform.new_directory('oz', root, 'oz-id')
172
126
        self.assertEqual(self.wt.path2id('oz/dorothy'), 'dorothy-id')
173
127
        self.assertEqual(self.wt.path2id('oz/dorothy/toto'), 'toto-id')
174
128
 
175
 
        self.assertEqual('toto-contents',
 
129
        self.assertEqual('toto-contents', 
176
130
                         self.wt.get_file_byname('oz/dorothy/toto').read())
177
131
        self.assertIs(self.wt.is_executable('toto-id'), False)
178
132
 
179
 
    def test_tree_reference(self):
180
 
        transform, root = self.get_transform()
181
 
        tree = transform._tree
182
 
        trans_id = transform.new_directory('reference', root, 'subtree-id')
183
 
        transform.set_tree_reference('subtree-revision', trans_id)
184
 
        transform.apply()
185
 
        tree.lock_read()
186
 
        self.addCleanup(tree.unlock)
187
 
        self.assertEqual('subtree-revision',
188
 
                         tree.inventory['subtree-id'].reference_revision)
189
 
 
190
133
    def test_conflicts(self):
191
134
        transform, root = self.get_transform()
192
135
        trans_id = transform.new_file('name', root, 'contents', 
261
204
        transform3.adjust_path('tip', root_id, tip_id)
262
205
        transform3.apply()
263
206
 
264
 
    def test_conflict_on_case_insensitive(self):
265
 
        tree = self.make_branch_and_tree('tree')
266
 
        # Don't try this at home, kids!
267
 
        # Force the tree to report that it is case sensitive, for conflict
268
 
        # resolution tests
269
 
        tree.case_sensitive = True
270
 
        transform = TreeTransform(tree)
271
 
        self.addCleanup(transform.finalize)
272
 
        transform.new_file('file', transform.root, 'content')
273
 
        transform.new_file('FiLe', transform.root, 'content')
274
 
        result = transform.find_conflicts()
275
 
        self.assertEqual([], result)
276
 
        transform.finalize()
277
 
        # Force the tree to report that it is case insensitive, for conflict
278
 
        # generation tests
279
 
        tree.case_sensitive = False
280
 
        transform = TreeTransform(tree)
281
 
        self.addCleanup(transform.finalize)
282
 
        transform.new_file('file', transform.root, 'content')
283
 
        transform.new_file('FiLe', transform.root, 'content')
284
 
        result = transform.find_conflicts()
285
 
        self.assertEqual([('duplicate', 'new-1', 'new-2', 'file')], result)
286
 
 
287
 
    def test_conflict_on_case_insensitive_existing(self):
288
 
        tree = self.make_branch_and_tree('tree')
289
 
        self.build_tree(['tree/FiLe'])
290
 
        # Don't try this at home, kids!
291
 
        # Force the tree to report that it is case sensitive, for conflict
292
 
        # resolution tests
293
 
        tree.case_sensitive = True
294
 
        transform = TreeTransform(tree)
295
 
        self.addCleanup(transform.finalize)
296
 
        transform.new_file('file', transform.root, 'content')
297
 
        result = transform.find_conflicts()
298
 
        self.assertEqual([], result)
299
 
        transform.finalize()
300
 
        # Force the tree to report that it is case insensitive, for conflict
301
 
        # generation tests
302
 
        tree.case_sensitive = False
303
 
        transform = TreeTransform(tree)
304
 
        self.addCleanup(transform.finalize)
305
 
        transform.new_file('file', transform.root, 'content')
306
 
        result = transform.find_conflicts()
307
 
        self.assertEqual([('duplicate', 'new-1', 'new-2', 'file')], result)
308
 
 
309
 
    def test_resolve_case_insensitive_conflict(self):
310
 
        tree = self.make_branch_and_tree('tree')
311
 
        # Don't try this at home, kids!
312
 
        # Force the tree to report that it is case insensitive, for conflict
313
 
        # resolution tests
314
 
        tree.case_sensitive = False
315
 
        transform = TreeTransform(tree)
316
 
        self.addCleanup(transform.finalize)
317
 
        transform.new_file('file', transform.root, 'content')
318
 
        transform.new_file('FiLe', transform.root, 'content')
319
 
        resolve_conflicts(transform)
320
 
        transform.apply()
321
 
        self.failUnlessExists('tree/file')
322
 
        self.failUnlessExists('tree/FiLe.moved')
323
 
 
324
 
    def test_resolve_checkout_case_conflict(self):
325
 
        tree = self.make_branch_and_tree('tree')
326
 
        # Don't try this at home, kids!
327
 
        # Force the tree to report that it is case insensitive, for conflict
328
 
        # resolution tests
329
 
        tree.case_sensitive = False
330
 
        transform = TreeTransform(tree)
331
 
        self.addCleanup(transform.finalize)
332
 
        transform.new_file('file', transform.root, 'content')
333
 
        transform.new_file('FiLe', transform.root, 'content')
334
 
        resolve_conflicts(transform,
335
 
                          pass_func=lambda t, c: resolve_checkout(t, c, []))
336
 
        transform.apply()
337
 
        self.failUnlessExists('tree/file')
338
 
        self.failUnlessExists('tree/FiLe.moved')
339
 
 
340
 
    def test_apply_case_conflict(self):
341
 
        """Ensure that a transform with case conflicts can always be applied"""
342
 
        tree = self.make_branch_and_tree('tree')
343
 
        transform = TreeTransform(tree)
344
 
        self.addCleanup(transform.finalize)
345
 
        transform.new_file('file', transform.root, 'content')
346
 
        transform.new_file('FiLe', transform.root, 'content')
347
 
        dir = transform.new_directory('dir', transform.root)
348
 
        transform.new_file('dirfile', dir, 'content')
349
 
        transform.new_file('dirFiLe', dir, 'content')
350
 
        resolve_conflicts(transform)
351
 
        transform.apply()
352
 
        self.failUnlessExists('tree/file')
353
 
        if not os.path.exists('tree/FiLe.moved'):
354
 
            self.failUnlessExists('tree/FiLe')
355
 
        self.failUnlessExists('tree/dir/dirfile')
356
 
        if not os.path.exists('tree/dir/dirFiLe.moved'):
357
 
            self.failUnlessExists('tree/dir/dirFiLe')
358
 
 
359
 
    def test_case_insensitive_limbo(self):
360
 
        tree = self.make_branch_and_tree('tree')
361
 
        # Don't try this at home, kids!
362
 
        # Force the tree to report that it is case insensitive
363
 
        tree.case_sensitive = False
364
 
        transform = TreeTransform(tree)
365
 
        self.addCleanup(transform.finalize)
366
 
        dir = transform.new_directory('dir', transform.root)
367
 
        first = transform.new_file('file', dir, 'content')
368
 
        second = transform.new_file('FiLe', dir, 'content')
369
 
        self.assertContainsRe(transform._limbo_name(first), 'new-1/file')
370
 
        self.assertNotContainsRe(transform._limbo_name(second), 'new-1/FiLe')
371
 
 
372
207
    def test_add_del(self):
373
208
        start, root = self.get_transform()
374
209
        start.new_directory('a', root, 'a')
526
361
        replace.apply()
527
362
 
528
363
    def test_symlinks(self):
529
 
        self.requireFeature(SymlinkFeature)
 
364
        if not has_symlinks():
 
365
            raise TestSkipped('Symlinks are not supported on this platform')
530
366
        transform,root = self.get_transform()
531
367
        oz_id = transform.new_directory('oz', root, 'oz-id')
532
368
        wizard = transform.new_symlink('wizard', oz_id, 'wizard-target', 
546
382
        self.assertEqual(os.readlink(self.wt.abspath('oz/wizard')),
547
383
                         'wizard-target')
548
384
 
549
 
    def test_unable_create_symlink(self):
550
 
        def tt_helper():
551
 
            wt = self.make_branch_and_tree('.')
552
 
            tt = TreeTransform(wt)  # TreeTransform obtains write lock
553
 
            try:
554
 
                tt.new_symlink('foo', tt.root, 'bar')
555
 
                tt.apply()
556
 
            finally:
557
 
                wt.unlock()
558
 
        os_symlink = getattr(os, 'symlink', None)
559
 
        os.symlink = None
560
 
        try:
561
 
            err = self.assertRaises(errors.UnableCreateSymlink, tt_helper)
562
 
            self.assertEquals(
563
 
                "Unable to create symlink 'foo' on this platform",
564
 
                str(err))
565
 
        finally:
566
 
            if os_symlink:
567
 
                os.symlink = os_symlink
568
385
 
569
386
    def get_conflicted(self):
570
387
        create,root = self.get_transform()
655
472
        self.assertEqual(conflicts_s[6], 'Conflict moving oz/emeraldcity into'
656
473
                                         ' oz/emeraldcity.  Cancelled move.')
657
474
 
658
 
    def prepare_wrong_parent_kind(self):
659
 
        tt, root = self.get_transform()
660
 
        tt.new_file('parent', root, 'contents', 'parent-id')
661
 
        tt.apply()
662
 
        tt, root = self.get_transform()
663
 
        parent_id = tt.trans_id_file_id('parent-id')
664
 
        tt.new_file('child,', parent_id, 'contents2', 'file-id')
665
 
        return tt
666
 
 
667
 
    def test_find_conflicts_wrong_parent_kind(self):
668
 
        tt = self.prepare_wrong_parent_kind()
669
 
        tt.find_conflicts()
670
 
 
671
 
    def test_resolve_conflicts_wrong_existing_parent_kind(self):
672
 
        tt = self.prepare_wrong_parent_kind()
673
 
        raw_conflicts = resolve_conflicts(tt)
674
 
        self.assertEqual(set([('non-directory parent', 'Created directory',
675
 
                         'new-3')]), raw_conflicts)
676
 
        cooked_conflicts = cook_conflicts(raw_conflicts, tt)
677
 
        self.assertEqual([NonDirectoryParent('Created directory', 'parent.new',
678
 
        'parent-id')], cooked_conflicts)
679
 
        tt.apply()
680
 
        self.assertEqual(None, self.wt.path2id('parent'))
681
 
        self.assertEqual('parent-id', self.wt.path2id('parent.new'))
682
 
 
683
 
    def test_resolve_conflicts_wrong_new_parent_kind(self):
684
 
        tt, root = self.get_transform()
685
 
        parent_id = tt.new_directory('parent', root, 'parent-id')
686
 
        tt.new_file('child,', parent_id, 'contents2', 'file-id')
687
 
        tt.apply()
688
 
        tt, root = self.get_transform()
689
 
        parent_id = tt.trans_id_file_id('parent-id')
690
 
        tt.delete_contents(parent_id)
691
 
        tt.create_file('contents', parent_id)
692
 
        raw_conflicts = resolve_conflicts(tt)
693
 
        self.assertEqual(set([('non-directory parent', 'Created directory',
694
 
                         'new-3')]), raw_conflicts)
695
 
        tt.apply()
696
 
        self.assertEqual(None, self.wt.path2id('parent'))
697
 
        self.assertEqual('parent-id', self.wt.path2id('parent.new'))
698
 
 
699
 
    def test_resolve_conflicts_wrong_parent_kind_unversioned(self):
700
 
        tt, root = self.get_transform()
701
 
        parent_id = tt.new_directory('parent', root)
702
 
        tt.new_file('child,', parent_id, 'contents2')
703
 
        tt.apply()
704
 
        tt, root = self.get_transform()
705
 
        parent_id = tt.trans_id_tree_path('parent')
706
 
        tt.delete_contents(parent_id)
707
 
        tt.create_file('contents', parent_id)
708
 
        resolve_conflicts(tt)
709
 
        tt.apply()
710
 
        self.assertIs(None, self.wt.path2id('parent'))
711
 
        self.assertIs(None, self.wt.path2id('parent.new'))
712
 
 
713
475
    def test_moving_versioned_directories(self):
714
476
        create, root = self.get_transform()
715
477
        kansas = create.new_directory('kansas', root, 'kansas-id')
748
510
        rename.set_executability(True, myfile)
749
511
        rename.apply()
750
512
 
 
513
    def test_find_interesting(self):
 
514
        create, root = self.get_transform()
 
515
        wt = create._tree
 
516
        create.new_file('vfile', root, 'myfile-text', 'myfile-id')
 
517
        create.new_file('uvfile', root, 'othertext')
 
518
        create.apply()
 
519
        self.assertEqual(find_interesting(wt, wt, ['vfile']),
 
520
                         set(['myfile-id']))
 
521
        self.assertRaises(PathsNotVersionedError, find_interesting, wt, wt,
 
522
                          ['uvfile'])
 
523
 
751
524
    def test_set_executability_order(self):
752
525
        """Ensure that executability behaves the same, no matter what order.
753
526
        
759
532
        """
760
533
        transform, root = self.get_transform()
761
534
        wt = transform._tree
762
 
        wt.lock_read()
763
 
        self.addCleanup(wt.unlock)
764
535
        transform.new_file('set_on_creation', root, 'Set on creation', 'soc',
765
536
                           True)
766
 
        sac = transform.new_file('set_after_creation', root,
767
 
                                 'Set after creation', 'sac')
 
537
        sac = transform.new_file('set_after_creation', root, 'Set after creation', 'sac')
768
538
        transform.set_executability(True, sac)
769
 
        uws = transform.new_file('unset_without_set', root, 'Unset badly',
770
 
                                 'uws')
 
539
        uws = transform.new_file('unset_without_set', root, 'Unset badly', 'uws')
771
540
        self.assertRaises(KeyError, transform.set_executability, None, uws)
772
541
        transform.apply()
773
542
        self.assertTrue(wt.is_executable('soc'))
780
549
        transform, root = self.get_transform()
781
550
        transform.new_file('file1', root, 'contents', 'file1-id', True)
782
551
        transform.apply()
783
 
        self.wt.lock_write()
784
 
        self.addCleanup(self.wt.unlock)
785
552
        self.assertTrue(self.wt.is_executable('file1-id'))
786
553
        transform, root = self.get_transform()
787
554
        file1_id = transform.trans_id_tree_file_id('file1-id')
820
587
        bar1_abspath = self.wt.abspath('bar')
821
588
        self.assertEqual([bar1_abspath], stat_paths)
822
589
 
823
 
    def test_iter_changes(self):
824
 
        self.wt.set_root_id('eert_toor')
825
 
        transform, root = self.get_transform()
826
 
        transform.new_file('old', root, 'blah', 'id-1', True)
827
 
        transform.apply()
828
 
        transform, root = self.get_transform()
829
 
        try:
830
 
            self.assertEqual([], list(transform.iter_changes()))
831
 
            old = transform.trans_id_tree_file_id('id-1')
832
 
            transform.unversion_file(old)
833
 
            self.assertEqual([('id-1', ('old', None), False, (True, False),
834
 
                ('eert_toor', 'eert_toor'), ('old', 'old'), ('file', 'file'),
835
 
                (True, True))], list(transform.iter_changes()))
836
 
            transform.new_directory('new', root, 'id-1')
837
 
            self.assertEqual([('id-1', ('old', 'new'), True, (True, True),
838
 
                ('eert_toor', 'eert_toor'), ('old', 'new'),
839
 
                ('file', 'directory'),
840
 
                (True, False))], list(transform.iter_changes()))
841
 
        finally:
842
 
            transform.finalize()
843
 
 
844
 
    def test_iter_changes_new(self):
845
 
        self.wt.set_root_id('eert_toor')
846
 
        transform, root = self.get_transform()
847
 
        transform.new_file('old', root, 'blah')
848
 
        transform.apply()
849
 
        transform, root = self.get_transform()
850
 
        try:
851
 
            old = transform.trans_id_tree_path('old')
852
 
            transform.version_file('id-1', old)
853
 
            self.assertEqual([('id-1', (None, 'old'), False, (False, True),
854
 
                ('eert_toor', 'eert_toor'), ('old', 'old'), ('file', 'file'),
855
 
                (False, False))], list(transform.iter_changes()))
856
 
        finally:
857
 
            transform.finalize()
858
 
 
859
 
    def test_iter_changes_modifications(self):
860
 
        self.wt.set_root_id('eert_toor')
861
 
        transform, root = self.get_transform()
862
 
        transform.new_file('old', root, 'blah', 'id-1')
863
 
        transform.new_file('new', root, 'blah')
864
 
        transform.new_directory('subdir', root, 'subdir-id')
865
 
        transform.apply()
866
 
        transform, root = self.get_transform()
867
 
        try:
868
 
            old = transform.trans_id_tree_path('old')
869
 
            subdir = transform.trans_id_tree_file_id('subdir-id')
870
 
            new = transform.trans_id_tree_path('new')
871
 
            self.assertEqual([], list(transform.iter_changes()))
872
 
 
873
 
            #content deletion
874
 
            transform.delete_contents(old)
875
 
            self.assertEqual([('id-1', ('old', 'old'), True, (True, True),
876
 
                ('eert_toor', 'eert_toor'), ('old', 'old'), ('file', None),
877
 
                (False, False))], list(transform.iter_changes()))
878
 
 
879
 
            #content change
880
 
            transform.create_file('blah', old)
881
 
            self.assertEqual([('id-1', ('old', 'old'), True, (True, True),
882
 
                ('eert_toor', 'eert_toor'), ('old', 'old'), ('file', 'file'),
883
 
                (False, False))], list(transform.iter_changes()))
884
 
            transform.cancel_deletion(old)
885
 
            self.assertEqual([('id-1', ('old', 'old'), True, (True, True),
886
 
                ('eert_toor', 'eert_toor'), ('old', 'old'), ('file', 'file'),
887
 
                (False, False))], list(transform.iter_changes()))
888
 
            transform.cancel_creation(old)
889
 
 
890
 
            # move file_id to a different file
891
 
            self.assertEqual([], list(transform.iter_changes()))
892
 
            transform.unversion_file(old)
893
 
            transform.version_file('id-1', new)
894
 
            transform.adjust_path('old', root, new)
895
 
            self.assertEqual([('id-1', ('old', 'old'), True, (True, True),
896
 
                ('eert_toor', 'eert_toor'), ('old', 'old'), ('file', 'file'),
897
 
                (False, False))], list(transform.iter_changes()))
898
 
            transform.cancel_versioning(new)
899
 
            transform._removed_id = set()
900
 
 
901
 
            #execute bit
902
 
            self.assertEqual([], list(transform.iter_changes()))
903
 
            transform.set_executability(True, old)
904
 
            self.assertEqual([('id-1', ('old', 'old'), False, (True, True),
905
 
                ('eert_toor', 'eert_toor'), ('old', 'old'), ('file', 'file'),
906
 
                (False, True))], list(transform.iter_changes()))
907
 
            transform.set_executability(None, old)
908
 
 
909
 
            # filename
910
 
            self.assertEqual([], list(transform.iter_changes()))
911
 
            transform.adjust_path('new', root, old)
912
 
            transform._new_parent = {}
913
 
            self.assertEqual([('id-1', ('old', 'new'), False, (True, True),
914
 
                ('eert_toor', 'eert_toor'), ('old', 'new'), ('file', 'file'),
915
 
                (False, False))], list(transform.iter_changes()))
916
 
            transform._new_name = {}
917
 
 
918
 
            # parent directory
919
 
            self.assertEqual([], list(transform.iter_changes()))
920
 
            transform.adjust_path('new', subdir, old)
921
 
            transform._new_name = {}
922
 
            self.assertEqual([('id-1', ('old', 'subdir/old'), False,
923
 
                (True, True), ('eert_toor', 'subdir-id'), ('old', 'old'),
924
 
                ('file', 'file'), (False, False))],
925
 
                list(transform.iter_changes()))
926
 
            transform._new_path = {}
927
 
 
928
 
        finally:
929
 
            transform.finalize()
930
 
 
931
 
    def test_iter_changes_modified_bleed(self):
932
 
        self.wt.set_root_id('eert_toor')
933
 
        """Modified flag should not bleed from one change to another"""
934
 
        # unfortunately, we have no guarantee that file1 (which is modified)
935
 
        # will be applied before file2.  And if it's applied after file2, it
936
 
        # obviously can't bleed into file2's change output.  But for now, it
937
 
        # works.
938
 
        transform, root = self.get_transform()
939
 
        transform.new_file('file1', root, 'blah', 'id-1')
940
 
        transform.new_file('file2', root, 'blah', 'id-2')
941
 
        transform.apply()
942
 
        transform, root = self.get_transform()
943
 
        try:
944
 
            transform.delete_contents(transform.trans_id_file_id('id-1'))
945
 
            transform.set_executability(True,
946
 
            transform.trans_id_file_id('id-2'))
947
 
            self.assertEqual([('id-1', (u'file1', u'file1'), True, (True, True),
948
 
                ('eert_toor', 'eert_toor'), ('file1', u'file1'),
949
 
                ('file', None), (False, False)),
950
 
                ('id-2', (u'file2', u'file2'), False, (True, True),
951
 
                ('eert_toor', 'eert_toor'), ('file2', u'file2'),
952
 
                ('file', 'file'), (False, True))],
953
 
                list(transform.iter_changes()))
954
 
        finally:
955
 
            transform.finalize()
956
 
 
957
 
    def test_iter_changes_move_missing(self):
958
 
        """Test moving ids with no files around"""
959
 
        self.wt.set_root_id('toor_eert')
960
 
        # Need two steps because versioning a non-existant file is a conflict.
961
 
        transform, root = self.get_transform()
962
 
        transform.new_directory('floater', root, 'floater-id')
963
 
        transform.apply()
964
 
        transform, root = self.get_transform()
965
 
        transform.delete_contents(transform.trans_id_tree_path('floater'))
966
 
        transform.apply()
967
 
        transform, root = self.get_transform()
968
 
        floater = transform.trans_id_tree_path('floater')
969
 
        try:
970
 
            transform.adjust_path('flitter', root, floater)
971
 
            self.assertEqual([('floater-id', ('floater', 'flitter'), False,
972
 
            (True, True), ('toor_eert', 'toor_eert'), ('floater', 'flitter'),
973
 
            (None, None), (False, False))], list(transform.iter_changes()))
974
 
        finally:
975
 
            transform.finalize()
976
 
 
977
 
    def test_iter_changes_pointless(self):
978
 
        """Ensure that no-ops are not treated as modifications"""
979
 
        self.wt.set_root_id('eert_toor')
980
 
        transform, root = self.get_transform()
981
 
        transform.new_file('old', root, 'blah', 'id-1')
982
 
        transform.new_directory('subdir', root, 'subdir-id')
983
 
        transform.apply()
984
 
        transform, root = self.get_transform()
985
 
        try:
986
 
            old = transform.trans_id_tree_path('old')
987
 
            subdir = transform.trans_id_tree_file_id('subdir-id')
988
 
            self.assertEqual([], list(transform.iter_changes()))
989
 
            transform.delete_contents(subdir)
990
 
            transform.create_directory(subdir)
991
 
            transform.set_executability(False, old)
992
 
            transform.unversion_file(old)
993
 
            transform.version_file('id-1', old)
994
 
            transform.adjust_path('old', root, old)
995
 
            self.assertEqual([], list(transform.iter_changes()))
996
 
        finally:
997
 
            transform.finalize()
998
 
 
999
 
    def test_rename_count(self):
1000
 
        transform, root = self.get_transform()
1001
 
        transform.new_file('name1', root, 'contents')
1002
 
        self.assertEqual(transform.rename_count, 0)
1003
 
        transform.apply()
1004
 
        self.assertEqual(transform.rename_count, 1)
1005
 
        transform2, root = self.get_transform()
1006
 
        transform2.adjust_path('name2', root,
1007
 
                               transform2.trans_id_tree_path('name1'))
1008
 
        self.assertEqual(transform2.rename_count, 0)
1009
 
        transform2.apply()
1010
 
        self.assertEqual(transform2.rename_count, 2)
1011
 
 
1012
 
    def test_change_parent(self):
1013
 
        """Ensure that after we change a parent, the results are still right.
1014
 
 
1015
 
        Renames and parent changes on pending transforms can happen as part
1016
 
        of conflict resolution, and are explicitly permitted by the
1017
 
        TreeTransform API.
1018
 
 
1019
 
        This test ensures they work correctly with the rename-avoidance
1020
 
        optimization.
1021
 
        """
1022
 
        transform, root = self.get_transform()
1023
 
        parent1 = transform.new_directory('parent1', root)
1024
 
        child1 = transform.new_file('child1', parent1, 'contents')
1025
 
        parent2 = transform.new_directory('parent2', root)
1026
 
        transform.adjust_path('child1', parent2, child1)
1027
 
        transform.apply()
1028
 
        self.failIfExists(self.wt.abspath('parent1/child1'))
1029
 
        self.failUnlessExists(self.wt.abspath('parent2/child1'))
1030
 
        # rename limbo/new-1 => parent1, rename limbo/new-3 => parent2
1031
 
        # no rename for child1 (counting only renames during apply)
1032
 
        self.failUnlessEqual(2, transform.rename_count)
1033
 
 
1034
 
    def test_cancel_parent(self):
1035
 
        """Cancelling a parent doesn't cause deletion of a non-empty directory
1036
 
 
1037
 
        This is like the test_change_parent, except that we cancel the parent
1038
 
        before adjusting the path.  The transform must detect that the
1039
 
        directory is non-empty, and move children to safe locations.
1040
 
        """
1041
 
        transform, root = self.get_transform()
1042
 
        parent1 = transform.new_directory('parent1', root)
1043
 
        child1 = transform.new_file('child1', parent1, 'contents')
1044
 
        child2 = transform.new_file('child2', parent1, 'contents')
1045
 
        try:
1046
 
            transform.cancel_creation(parent1)
1047
 
        except OSError:
1048
 
            self.fail('Failed to move child1 before deleting parent1')
1049
 
        transform.cancel_creation(child2)
1050
 
        transform.create_directory(parent1)
1051
 
        try:
1052
 
            transform.cancel_creation(parent1)
1053
 
        # If the transform incorrectly believes that child2 is still in
1054
 
        # parent1's limbo directory, it will try to rename it and fail
1055
 
        # because was already moved by the first cancel_creation.
1056
 
        except OSError:
1057
 
            self.fail('Transform still thinks child2 is a child of parent1')
1058
 
        parent2 = transform.new_directory('parent2', root)
1059
 
        transform.adjust_path('child1', parent2, child1)
1060
 
        transform.apply()
1061
 
        self.failIfExists(self.wt.abspath('parent1'))
1062
 
        self.failUnlessExists(self.wt.abspath('parent2/child1'))
1063
 
        # rename limbo/new-3 => parent2, rename limbo/new-2 => child1
1064
 
        self.failUnlessEqual(2, transform.rename_count)
1065
 
 
1066
 
    def test_adjust_and_cancel(self):
1067
 
        """Make sure adjust_path keeps track of limbo children properly"""
1068
 
        transform, root = self.get_transform()
1069
 
        parent1 = transform.new_directory('parent1', root)
1070
 
        child1 = transform.new_file('child1', parent1, 'contents')
1071
 
        parent2 = transform.new_directory('parent2', root)
1072
 
        transform.adjust_path('child1', parent2, child1)
1073
 
        transform.cancel_creation(child1)
1074
 
        try:
1075
 
            transform.cancel_creation(parent1)
1076
 
        # if the transform thinks child1 is still in parent1's limbo
1077
 
        # directory, it will attempt to move it and fail.
1078
 
        except OSError:
1079
 
            self.fail('Transform still thinks child1 is a child of parent1')
1080
 
        transform.finalize()
1081
 
 
1082
 
    def test_noname_contents(self):
1083
 
        """TreeTransform should permit deferring naming files."""
1084
 
        transform, root = self.get_transform()
1085
 
        parent = transform.trans_id_file_id('parent-id')
1086
 
        try:
1087
 
            transform.create_directory(parent)
1088
 
        except KeyError:
1089
 
            self.fail("Can't handle contents with no name")
1090
 
        transform.finalize()
1091
 
 
1092
 
    def test_noname_contents_nested(self):
1093
 
        """TreeTransform should permit deferring naming files."""
1094
 
        transform, root = self.get_transform()
1095
 
        parent = transform.trans_id_file_id('parent-id')
1096
 
        try:
1097
 
            transform.create_directory(parent)
1098
 
        except KeyError:
1099
 
            self.fail("Can't handle contents with no name")
1100
 
        child = transform.new_directory('child', parent)
1101
 
        transform.adjust_path('parent', root, parent)
1102
 
        transform.apply()
1103
 
        self.failUnlessExists(self.wt.abspath('parent/child'))
1104
 
        self.assertEqual(1, transform.rename_count)
1105
 
 
1106
 
    def test_reuse_name(self):
1107
 
        """Avoid reusing the same limbo name for different files"""
1108
 
        transform, root = self.get_transform()
1109
 
        parent = transform.new_directory('parent', root)
1110
 
        child1 = transform.new_directory('child', parent)
1111
 
        try:
1112
 
            child2 = transform.new_directory('child', parent)
1113
 
        except OSError:
1114
 
            self.fail('Tranform tried to use the same limbo name twice')
1115
 
        transform.adjust_path('child2', parent, child2)
1116
 
        transform.apply()
1117
 
        # limbo/new-1 => parent, limbo/new-3 => parent/child2
1118
 
        # child2 is put into top-level limbo because child1 has already
1119
 
        # claimed the direct limbo path when child2 is created.  There is no
1120
 
        # advantage in renaming files once they're in top-level limbo, except
1121
 
        # as part of apply.
1122
 
        self.assertEqual(2, transform.rename_count)
1123
 
 
1124
 
    def test_reuse_when_first_moved(self):
1125
 
        """Don't avoid direct paths when it is safe to use them"""
1126
 
        transform, root = self.get_transform()
1127
 
        parent = transform.new_directory('parent', root)
1128
 
        child1 = transform.new_directory('child', parent)
1129
 
        transform.adjust_path('child1', parent, child1)
1130
 
        child2 = transform.new_directory('child', parent)
1131
 
        transform.apply()
1132
 
        # limbo/new-1 => parent
1133
 
        self.assertEqual(1, transform.rename_count)
1134
 
 
1135
 
    def test_reuse_after_cancel(self):
1136
 
        """Don't avoid direct paths when it is safe to use them"""
1137
 
        transform, root = self.get_transform()
1138
 
        parent2 = transform.new_directory('parent2', root)
1139
 
        child1 = transform.new_directory('child1', parent2)
1140
 
        transform.cancel_creation(parent2)
1141
 
        transform.create_directory(parent2)
1142
 
        child2 = transform.new_directory('child1', parent2)
1143
 
        transform.adjust_path('child2', parent2, child1)
1144
 
        transform.apply()
1145
 
        # limbo/new-1 => parent2, limbo/new-2 => parent2/child1
1146
 
        self.assertEqual(2, transform.rename_count)
1147
 
 
1148
 
    def test_finalize_order(self):
1149
 
        """Finalize must be done in child-to-parent order"""
1150
 
        transform, root = self.get_transform()
1151
 
        parent = transform.new_directory('parent', root)
1152
 
        child = transform.new_directory('child', parent)
1153
 
        try:
1154
 
            transform.finalize()
1155
 
        except OSError:
1156
 
            self.fail('Tried to remove parent before child1')
1157
 
 
1158
 
    def test_cancel_with_cancelled_child_should_succeed(self):
1159
 
        transform, root = self.get_transform()
1160
 
        parent = transform.new_directory('parent', root)
1161
 
        child = transform.new_directory('child', parent)
1162
 
        transform.cancel_creation(child)
1163
 
        transform.cancel_creation(parent)
1164
 
        transform.finalize()
1165
 
 
1166
 
    def test_rollback_on_directory_clash(self):
1167
 
        def tt_helper():
1168
 
            wt = self.make_branch_and_tree('.')
1169
 
            tt = TreeTransform(wt)  # TreeTransform obtains write lock
1170
 
            try:
1171
 
                foo = tt.new_directory('foo', tt.root)
1172
 
                tt.new_file('bar', foo, 'foobar')
1173
 
                baz = tt.new_directory('baz', tt.root)
1174
 
                tt.new_file('qux', baz, 'quux')
1175
 
                # Ask for a rename 'foo' -> 'baz'
1176
 
                tt.adjust_path('baz', tt.root, foo)
1177
 
                # Lie to tt that we've already resolved all conflicts.
1178
 
                tt.apply(no_conflicts=True)
1179
 
            except:
1180
 
                wt.unlock()
1181
 
                raise
1182
 
        # The rename will fail because the target directory is not empty (but
1183
 
        # raises FileExists anyway).
1184
 
        err = self.assertRaises(errors.FileExists, tt_helper)
1185
 
        self.assertContainsRe(str(err),
1186
 
            "^File exists: .+/baz")
1187
 
 
1188
 
    def test_two_directories_clash(self):
1189
 
        def tt_helper():
1190
 
            wt = self.make_branch_and_tree('.')
1191
 
            tt = TreeTransform(wt)  # TreeTransform obtains write lock
1192
 
            try:
1193
 
                foo_1 = tt.new_directory('foo', tt.root)
1194
 
                tt.new_directory('bar', foo_1)
1195
 
                # Adding the same directory with a different content
1196
 
                foo_2 = tt.new_directory('foo', tt.root)
1197
 
                tt.new_directory('baz', foo_2)
1198
 
                # Lie to tt that we've already resolved all conflicts.
1199
 
                tt.apply(no_conflicts=True)
1200
 
            except:
1201
 
                wt.unlock()
1202
 
                raise
1203
 
        err = self.assertRaises(errors.FileExists, tt_helper)
1204
 
        self.assertContainsRe(str(err),
1205
 
            "^File exists: .+/foo")
1206
 
 
1207
 
    def test_two_directories_clash_finalize(self):
1208
 
        def tt_helper():
1209
 
            wt = self.make_branch_and_tree('.')
1210
 
            tt = TreeTransform(wt)  # TreeTransform obtains write lock
1211
 
            try:
1212
 
                foo_1 = tt.new_directory('foo', tt.root)
1213
 
                tt.new_directory('bar', foo_1)
1214
 
                # Adding the same directory with a different content
1215
 
                foo_2 = tt.new_directory('foo', tt.root)
1216
 
                tt.new_directory('baz', foo_2)
1217
 
                # Lie to tt that we've already resolved all conflicts.
1218
 
                tt.apply(no_conflicts=True)
1219
 
            except:
1220
 
                tt.finalize()
1221
 
                raise
1222
 
        err = self.assertRaises(errors.FileExists, tt_helper)
1223
 
        self.assertContainsRe(str(err),
1224
 
            "^File exists: .+/foo")
1225
 
 
1226
 
    def test_file_to_directory(self):
1227
 
        wt = self.make_branch_and_tree('.')
1228
 
        self.build_tree(['foo'])
1229
 
        wt.add(['foo'])
1230
 
        wt.commit("one")
1231
 
        tt = TreeTransform(wt)
1232
 
        self.addCleanup(tt.finalize)
1233
 
        foo_trans_id = tt.trans_id_tree_path("foo")
1234
 
        tt.delete_contents(foo_trans_id)
1235
 
        tt.create_directory(foo_trans_id)
1236
 
        bar_trans_id = tt.trans_id_tree_path("foo/bar")
1237
 
        tt.create_file(["aa\n"], bar_trans_id)
1238
 
        tt.version_file("bar-1", bar_trans_id)
1239
 
        tt.apply()
1240
 
        self.failUnlessExists("foo/bar")
1241
 
        wt.lock_read()
1242
 
        try:
1243
 
            self.assertEqual(wt.inventory.get_file_kind(wt.path2id("foo")),
1244
 
                    "directory")
1245
 
        finally:
1246
 
            wt.unlock()
1247
 
        wt.commit("two")
1248
 
        changes = wt.changes_from(wt.basis_tree())
1249
 
        self.assertFalse(changes.has_changed(), changes)
1250
 
 
1251
 
    def test_file_to_symlink(self):
1252
 
        self.requireFeature(SymlinkFeature)
1253
 
        wt = self.make_branch_and_tree('.')
1254
 
        self.build_tree(['foo'])
1255
 
        wt.add(['foo'])
1256
 
        wt.commit("one")
1257
 
        tt = TreeTransform(wt)
1258
 
        self.addCleanup(tt.finalize)
1259
 
        foo_trans_id = tt.trans_id_tree_path("foo")
1260
 
        tt.delete_contents(foo_trans_id)
1261
 
        tt.create_symlink("bar", foo_trans_id)
1262
 
        tt.apply()
1263
 
        self.failUnlessExists("foo")
1264
 
        wt.lock_read()
1265
 
        self.addCleanup(wt.unlock)
1266
 
        self.assertEqual(wt.inventory.get_file_kind(wt.path2id("foo")),
1267
 
                "symlink")
1268
 
 
1269
 
    def test_dir_to_file(self):
1270
 
        wt = self.make_branch_and_tree('.')
1271
 
        self.build_tree(['foo/', 'foo/bar'])
1272
 
        wt.add(['foo', 'foo/bar'])
1273
 
        wt.commit("one")
1274
 
        tt = TreeTransform(wt)
1275
 
        self.addCleanup(tt.finalize)
1276
 
        foo_trans_id = tt.trans_id_tree_path("foo")
1277
 
        bar_trans_id = tt.trans_id_tree_path("foo/bar")
1278
 
        tt.delete_contents(foo_trans_id)
1279
 
        tt.delete_versioned(bar_trans_id)
1280
 
        tt.create_file(["aa\n"], foo_trans_id)
1281
 
        tt.apply()
1282
 
        self.failUnlessExists("foo")
1283
 
        wt.lock_read()
1284
 
        self.addCleanup(wt.unlock)
1285
 
        self.assertEqual(wt.inventory.get_file_kind(wt.path2id("foo")),
1286
 
                "file")
1287
 
 
1288
 
    def test_dir_to_hardlink(self):
1289
 
        self.requireFeature(HardlinkFeature)
1290
 
        wt = self.make_branch_and_tree('.')
1291
 
        self.build_tree(['foo/', 'foo/bar'])
1292
 
        wt.add(['foo', 'foo/bar'])
1293
 
        wt.commit("one")
1294
 
        tt = TreeTransform(wt)
1295
 
        self.addCleanup(tt.finalize)
1296
 
        foo_trans_id = tt.trans_id_tree_path("foo")
1297
 
        bar_trans_id = tt.trans_id_tree_path("foo/bar")
1298
 
        tt.delete_contents(foo_trans_id)
1299
 
        tt.delete_versioned(bar_trans_id)
1300
 
        self.build_tree(['baz'])
1301
 
        tt.create_hardlink("baz", foo_trans_id)
1302
 
        tt.apply()
1303
 
        self.failUnlessExists("foo")
1304
 
        self.failUnlessExists("baz")
1305
 
        wt.lock_read()
1306
 
        self.addCleanup(wt.unlock)
1307
 
        self.assertEqual(wt.inventory.get_file_kind(wt.path2id("foo")),
1308
 
                "file")
1309
 
 
1310
 
    def test_no_final_path(self):
1311
 
        transform, root = self.get_transform()
1312
 
        trans_id = transform.trans_id_file_id('foo')
1313
 
        transform.create_file('bar', trans_id)
1314
 
        transform.cancel_creation(trans_id)
1315
 
        transform.apply()
1316
 
 
1317
 
    def test_create_from_tree(self):
1318
 
        tree1 = self.make_branch_and_tree('tree1')
1319
 
        self.build_tree_contents([('tree1/foo/',), ('tree1/bar', 'baz')])
1320
 
        tree1.add(['foo', 'bar'], ['foo-id', 'bar-id'])
1321
 
        tree2 = self.make_branch_and_tree('tree2')
1322
 
        tt = TreeTransform(tree2)
1323
 
        foo_trans_id = tt.create_path('foo', tt.root)
1324
 
        create_from_tree(tt, foo_trans_id, tree1, 'foo-id')
1325
 
        bar_trans_id = tt.create_path('bar', tt.root)
1326
 
        create_from_tree(tt, bar_trans_id, tree1, 'bar-id')
1327
 
        tt.apply()
1328
 
        self.assertEqual('directory', osutils.file_kind('tree2/foo'))
1329
 
        self.assertFileEqual('baz', 'tree2/bar')
1330
 
 
1331
 
    def test_create_from_tree_bytes(self):
1332
 
        """Provided lines are used instead of tree content."""
1333
 
        tree1 = self.make_branch_and_tree('tree1')
1334
 
        self.build_tree_contents([('tree1/foo', 'bar'),])
1335
 
        tree1.add('foo', 'foo-id')
1336
 
        tree2 = self.make_branch_and_tree('tree2')
1337
 
        tt = TreeTransform(tree2)
1338
 
        foo_trans_id = tt.create_path('foo', tt.root)
1339
 
        create_from_tree(tt, foo_trans_id, tree1, 'foo-id', bytes='qux')
1340
 
        tt.apply()
1341
 
        self.assertFileEqual('qux', 'tree2/foo')
1342
 
 
1343
 
    def test_create_from_tree_symlink(self):
1344
 
        self.requireFeature(SymlinkFeature)
1345
 
        tree1 = self.make_branch_and_tree('tree1')
1346
 
        os.symlink('bar', 'tree1/foo')
1347
 
        tree1.add('foo', 'foo-id')
1348
 
        tt = TreeTransform(self.make_branch_and_tree('tree2'))
1349
 
        foo_trans_id = tt.create_path('foo', tt.root)
1350
 
        create_from_tree(tt, foo_trans_id, tree1, 'foo-id')
1351
 
        tt.apply()
1352
 
        self.assertEqual('bar', os.readlink('tree2/foo'))
1353
 
 
1354
590
 
1355
591
class TransformGroup(object):
1356
 
 
1357
592
    def __init__(self, dirname, root_id):
1358
593
        self.name = dirname
1359
594
        os.mkdir(dirname)
1363
598
        self.tt = TreeTransform(self.wt)
1364
599
        self.root = self.tt.trans_id_tree_file_id(self.wt.get_root_id())
1365
600
 
1366
 
 
1367
601
def conflict_text(tree, merge):
1368
602
    template = '%s TREE\n%s%s\n%s%s MERGE-SOURCE\n'
1369
603
    return template % ('<' * 7, tree, '=' * 7, merge, '>' * 7)
1370
604
 
1371
605
 
1372
606
class TestTransformMerge(TestCaseInTempDir):
1373
 
 
1374
607
    def test_text_merge(self):
1375
608
        root_id = generate_ids.gen_root_id()
1376
609
        base = TransformGroup("base", root_id)
1406
639
        this.tt.new_file('i', this.root, '1\n2\n3\n4\n', 'i')
1407
640
        this.tt.apply()
1408
641
        Merge3Merger(this.wt, this.wt, base.wt, other.wt)
1409
 
 
1410
642
        # textual merge
1411
643
        self.assertEqual(this.wt.get_file('a').read(), 'y\nb\nc\nd\bz\n')
1412
644
        # three-way text conflict
1447
679
        self.assertSubset(merge_modified, modified)
1448
680
        self.assertEqual(len(merge_modified), len(modified))
1449
681
        this.wt.remove('b')
1450
 
        this.wt.revert()
 
682
        this.wt.revert([])
1451
683
 
1452
684
    def test_file_merge(self):
1453
 
        self.requireFeature(SymlinkFeature)
 
685
        if not has_symlinks():
 
686
            raise TestSkipped('Symlinks are not supported on this platform')
1454
687
        root_id = generate_ids.gen_root_id()
1455
688
        base = TransformGroup("BASE", root_id)
1456
689
        this = TransformGroup("THIS", root_id)
1558
791
 
1559
792
class TestBuildTree(tests.TestCaseWithTransport):
1560
793
 
1561
 
    def test_build_tree_with_symlinks(self):
1562
 
        self.requireFeature(SymlinkFeature)
 
794
    def test_build_tree(self):
 
795
        if not has_symlinks():
 
796
            raise TestSkipped('Test requires symlink support')
1563
797
        os.mkdir('a')
1564
798
        a = BzrDir.create_standalone_workingtree('a')
1565
799
        os.mkdir('a/foo')
1568
802
        a.add(['foo', 'foo/bar', 'foo/baz'])
1569
803
        a.commit('initial commit')
1570
804
        b = BzrDir.create_standalone_workingtree('b')
1571
 
        basis = a.basis_tree()
1572
 
        basis.lock_read()
1573
 
        self.addCleanup(basis.unlock)
1574
 
        build_tree(basis, b)
 
805
        build_tree(a.basis_tree(), b)
1575
806
        self.assertIs(os.path.isdir('b/foo'), True)
1576
807
        self.assertEqual(file('b/foo/bar', 'rb').read(), "contents")
1577
808
        self.assertEqual(os.readlink('b/foo/baz'), 'a/foo/bar')
1578
809
 
1579
 
    def test_build_with_references(self):
1580
 
        tree = self.make_branch_and_tree('source',
1581
 
            format='dirstate-with-subtree')
1582
 
        subtree = self.make_branch_and_tree('source/subtree',
1583
 
            format='dirstate-with-subtree')
1584
 
        tree.add_reference(subtree)
1585
 
        tree.commit('a revision')
1586
 
        tree.branch.create_checkout('target')
1587
 
        self.failUnlessExists('target')
1588
 
        self.failUnlessExists('target/subtree')
1589
 
 
1590
810
    def test_file_conflict_handling(self):
1591
811
        """Ensure that when building trees, conflict handling is done"""
1592
812
        source = self.make_branch_and_tree('source')
1613
833
 
1614
834
    def test_symlink_conflict_handling(self):
1615
835
        """Ensure that when building trees, conflict handling is done"""
1616
 
        self.requireFeature(SymlinkFeature)
 
836
        if not has_symlinks():
 
837
            raise TestSkipped('Test requires symlink support')
1617
838
        source = self.make_branch_and_tree('source')
1618
839
        os.symlink('foo', 'source/symlink')
1619
840
        source.add('symlink', 'new-symlink')
1693
914
        self.assertRaises(errors.WorkingTreeAlreadyPopulated, 
1694
915
            build_tree, source.basis_tree(), target)
1695
916
 
1696
 
    def test_build_tree_rename_count(self):
1697
 
        source = self.make_branch_and_tree('source')
1698
 
        self.build_tree(['source/file1', 'source/dir1/'])
1699
 
        source.add(['file1', 'dir1'])
1700
 
        source.commit('add1')
1701
 
        target1 = self.make_branch_and_tree('target1')
1702
 
        transform_result = build_tree(source.basis_tree(), target1)
1703
 
        self.assertEqual(2, transform_result.rename_count)
1704
 
 
1705
 
        self.build_tree(['source/dir1/file2'])
1706
 
        source.add(['dir1/file2'])
1707
 
        source.commit('add3')
1708
 
        target2 = self.make_branch_and_tree('target2')
1709
 
        transform_result = build_tree(source.basis_tree(), target2)
1710
 
        # children of non-root directories should not be renamed
1711
 
        self.assertEqual(2, transform_result.rename_count)
1712
 
 
1713
 
    def create_ab_tree(self):
1714
 
        """Create a committed test tree with two files"""
1715
 
        source = self.make_branch_and_tree('source')
1716
 
        self.build_tree_contents([('source/file1', 'A')])
1717
 
        self.build_tree_contents([('source/file2', 'B')])
1718
 
        source.add(['file1', 'file2'], ['file1-id', 'file2-id'])
1719
 
        source.commit('commit files')
1720
 
        source.lock_write()
1721
 
        self.addCleanup(source.unlock)
1722
 
        return source
1723
 
 
1724
 
    def test_build_tree_accelerator_tree(self):
1725
 
        source = self.create_ab_tree()
1726
 
        self.build_tree_contents([('source/file2', 'C')])
1727
 
        calls = []
1728
 
        real_source_get_file = source.get_file
1729
 
        def get_file(file_id, path=None):
1730
 
            calls.append(file_id)
1731
 
            return real_source_get_file(file_id, path)
1732
 
        source.get_file = get_file
1733
 
        target = self.make_branch_and_tree('target')
1734
 
        revision_tree = source.basis_tree()
1735
 
        revision_tree.lock_read()
1736
 
        self.addCleanup(revision_tree.unlock)
1737
 
        build_tree(revision_tree, target, source)
1738
 
        self.assertEqual(['file1-id'], calls)
1739
 
        target.lock_read()
1740
 
        self.addCleanup(target.unlock)
1741
 
        self.assertEqual([], list(target.iter_changes(revision_tree)))
1742
 
 
1743
 
    def test_build_tree_accelerator_tree_missing_file(self):
1744
 
        source = self.create_ab_tree()
1745
 
        os.unlink('source/file1')
1746
 
        source.remove(['file2'])
1747
 
        target = self.make_branch_and_tree('target')
1748
 
        revision_tree = source.basis_tree()
1749
 
        revision_tree.lock_read()
1750
 
        self.addCleanup(revision_tree.unlock)
1751
 
        build_tree(revision_tree, target, source)
1752
 
        target.lock_read()
1753
 
        self.addCleanup(target.unlock)
1754
 
        self.assertEqual([], list(target.iter_changes(revision_tree)))
1755
 
 
1756
 
    def test_build_tree_accelerator_wrong_kind(self):
1757
 
        self.requireFeature(SymlinkFeature)
1758
 
        source = self.make_branch_and_tree('source')
1759
 
        self.build_tree_contents([('source/file1', '')])
1760
 
        self.build_tree_contents([('source/file2', '')])
1761
 
        source.add(['file1', 'file2'], ['file1-id', 'file2-id'])
1762
 
        source.commit('commit files')
1763
 
        os.unlink('source/file2')
1764
 
        self.build_tree_contents([('source/file2/', 'C')])
1765
 
        os.unlink('source/file1')
1766
 
        os.symlink('file2', 'source/file1')
1767
 
        calls = []
1768
 
        real_source_get_file = source.get_file
1769
 
        def get_file(file_id, path=None):
1770
 
            calls.append(file_id)
1771
 
            return real_source_get_file(file_id, path)
1772
 
        source.get_file = get_file
1773
 
        target = self.make_branch_and_tree('target')
1774
 
        revision_tree = source.basis_tree()
1775
 
        revision_tree.lock_read()
1776
 
        self.addCleanup(revision_tree.unlock)
1777
 
        build_tree(revision_tree, target, source)
1778
 
        self.assertEqual([], calls)
1779
 
        target.lock_read()
1780
 
        self.addCleanup(target.unlock)
1781
 
        self.assertEqual([], list(target.iter_changes(revision_tree)))
1782
 
 
1783
 
    def test_build_tree_hardlink(self):
1784
 
        self.requireFeature(HardlinkFeature)
1785
 
        source = self.create_ab_tree()
1786
 
        target = self.make_branch_and_tree('target')
1787
 
        revision_tree = source.basis_tree()
1788
 
        revision_tree.lock_read()
1789
 
        self.addCleanup(revision_tree.unlock)
1790
 
        build_tree(revision_tree, target, source, hardlink=True)
1791
 
        target.lock_read()
1792
 
        self.addCleanup(target.unlock)
1793
 
        self.assertEqual([], list(target.iter_changes(revision_tree)))
1794
 
        source_stat = os.stat('source/file1')
1795
 
        target_stat = os.stat('target/file1')
1796
 
        self.assertEqual(source_stat, target_stat)
1797
 
 
1798
 
        # Explicitly disallowing hardlinks should prevent them.
1799
 
        target2 = self.make_branch_and_tree('target2')
1800
 
        build_tree(revision_tree, target2, source, hardlink=False)
1801
 
        target2.lock_read()
1802
 
        self.addCleanup(target2.unlock)
1803
 
        self.assertEqual([], list(target2.iter_changes(revision_tree)))
1804
 
        source_stat = os.stat('source/file1')
1805
 
        target2_stat = os.stat('target2/file1')
1806
 
        self.assertNotEqual(source_stat, target2_stat)
1807
 
 
1808
 
    def test_build_tree_accelerator_tree_moved(self):
1809
 
        source = self.make_branch_and_tree('source')
1810
 
        self.build_tree_contents([('source/file1', 'A')])
1811
 
        source.add(['file1'], ['file1-id'])
1812
 
        source.commit('commit files')
1813
 
        source.rename_one('file1', 'file2')
1814
 
        source.lock_read()
1815
 
        self.addCleanup(source.unlock)
1816
 
        target = self.make_branch_and_tree('target')
1817
 
        revision_tree = source.basis_tree()
1818
 
        revision_tree.lock_read()
1819
 
        self.addCleanup(revision_tree.unlock)
1820
 
        build_tree(revision_tree, target, source)
1821
 
        target.lock_read()
1822
 
        self.addCleanup(target.unlock)
1823
 
        self.assertEqual([], list(target.iter_changes(revision_tree)))
1824
 
 
1825
 
    def test_build_tree_hardlinks_preserve_execute(self):
1826
 
        self.requireFeature(HardlinkFeature)
1827
 
        source = self.create_ab_tree()
1828
 
        tt = TreeTransform(source)
1829
 
        trans_id = tt.trans_id_tree_file_id('file1-id')
1830
 
        tt.set_executability(True, trans_id)
1831
 
        tt.apply()
1832
 
        self.assertTrue(source.is_executable('file1-id'))
1833
 
        target = self.make_branch_and_tree('target')
1834
 
        revision_tree = source.basis_tree()
1835
 
        revision_tree.lock_read()
1836
 
        self.addCleanup(revision_tree.unlock)
1837
 
        build_tree(revision_tree, target, source, hardlink=True)
1838
 
        target.lock_read()
1839
 
        self.addCleanup(target.unlock)
1840
 
        self.assertEqual([], list(target.iter_changes(revision_tree)))
1841
 
        self.assertTrue(source.is_executable('file1-id'))
1842
 
 
1843
 
    def test_case_insensitive_build_tree_inventory(self):
1844
 
        source = self.make_branch_and_tree('source')
1845
 
        self.build_tree(['source/file', 'source/FILE'])
1846
 
        source.add(['file', 'FILE'], ['lower-id', 'upper-id'])
1847
 
        source.commit('added files')
1848
 
        # Don't try this at home, kids!
1849
 
        # Force the tree to report that it is case insensitive
1850
 
        target = self.make_branch_and_tree('target')
1851
 
        target.case_sensitive = False
1852
 
        build_tree(source.basis_tree(), target, source, delta_from_tree=True)
1853
 
        self.assertEqual('file.moved', target.id2path('lower-id'))
1854
 
        self.assertEqual('FILE', target.id2path('upper-id'))
1855
 
 
1856
917
 
1857
918
class MockTransform(object):
1858
919
 
1865
926
                return True
1866
927
        return False
1867
928
 
1868
 
 
1869
929
class MockEntry(object):
1870
930
    def __init__(self):
1871
931
        object.__init__(self)
1872
932
        self.name = "name"
1873
933
 
1874
 
 
1875
934
class TestGetBackupName(TestCase):
1876
935
    def test_get_backup_name(self):
1877
936
        tt = MockTransform()
1885
944
        self.assertEqual(name, 'name.~1~')
1886
945
        name = get_backup_name(MockEntry(), {'a':['1', '2', '3']}, 'a', tt)
1887
946
        self.assertEqual(name, 'name.~4~')
1888
 
 
1889
 
 
1890
 
class TestFileMover(tests.TestCaseWithTransport):
1891
 
 
1892
 
    def test_file_mover(self):
1893
 
        self.build_tree(['a/', 'a/b', 'c/', 'c/d'])
1894
 
        mover = _FileMover()
1895
 
        mover.rename('a', 'q')
1896
 
        self.failUnlessExists('q')
1897
 
        self.failIfExists('a')
1898
 
        self.failUnlessExists('q/b')
1899
 
        self.failUnlessExists('c')
1900
 
        self.failUnlessExists('c/d')
1901
 
 
1902
 
    def test_pre_delete_rollback(self):
1903
 
        self.build_tree(['a/'])
1904
 
        mover = _FileMover()
1905
 
        mover.pre_delete('a', 'q')
1906
 
        self.failUnlessExists('q')
1907
 
        self.failIfExists('a')
1908
 
        mover.rollback()
1909
 
        self.failIfExists('q')
1910
 
        self.failUnlessExists('a')
1911
 
 
1912
 
    def test_apply_deletions(self):
1913
 
        self.build_tree(['a/', 'b/'])
1914
 
        mover = _FileMover()
1915
 
        mover.pre_delete('a', 'q')
1916
 
        mover.pre_delete('b', 'r')
1917
 
        self.failUnlessExists('q')
1918
 
        self.failUnlessExists('r')
1919
 
        self.failIfExists('a')
1920
 
        self.failIfExists('b')
1921
 
        mover.apply_deletions()
1922
 
        self.failIfExists('q')
1923
 
        self.failIfExists('r')
1924
 
        self.failIfExists('a')
1925
 
        self.failIfExists('b')
1926
 
 
1927
 
    def test_file_mover_rollback(self):
1928
 
        self.build_tree(['a/', 'a/b', 'c/', 'c/d/', 'c/e/'])
1929
 
        mover = _FileMover()
1930
 
        mover.rename('c/d', 'c/f')
1931
 
        mover.rename('c/e', 'c/d')
1932
 
        try:
1933
 
            mover.rename('a', 'c')
1934
 
        except errors.FileExists, e:
1935
 
            mover.rollback()
1936
 
        self.failUnlessExists('a')
1937
 
        self.failUnlessExists('c/d')
1938
 
 
1939
 
 
1940
 
class Bogus(Exception):
1941
 
    pass
1942
 
 
1943
 
 
1944
 
class TestTransformRollback(tests.TestCaseWithTransport):
1945
 
 
1946
 
    class ExceptionFileMover(_FileMover):
1947
 
 
1948
 
        def __init__(self, bad_source=None, bad_target=None):
1949
 
            _FileMover.__init__(self)
1950
 
            self.bad_source = bad_source
1951
 
            self.bad_target = bad_target
1952
 
 
1953
 
        def rename(self, source, target):
1954
 
            if (self.bad_source is not None and
1955
 
                source.endswith(self.bad_source)):
1956
 
                raise Bogus
1957
 
            elif (self.bad_target is not None and
1958
 
                target.endswith(self.bad_target)):
1959
 
                raise Bogus
1960
 
            else:
1961
 
                _FileMover.rename(self, source, target)
1962
 
 
1963
 
    def test_rollback_rename(self):
1964
 
        tree = self.make_branch_and_tree('.')
1965
 
        self.build_tree(['a/', 'a/b'])
1966
 
        tt = TreeTransform(tree)
1967
 
        self.addCleanup(tt.finalize)
1968
 
        a_id = tt.trans_id_tree_path('a')
1969
 
        tt.adjust_path('c', tt.root, a_id)
1970
 
        tt.adjust_path('d', a_id, tt.trans_id_tree_path('a/b'))
1971
 
        self.assertRaises(Bogus, tt.apply,
1972
 
                          _mover=self.ExceptionFileMover(bad_source='a'))
1973
 
        self.failUnlessExists('a')
1974
 
        self.failUnlessExists('a/b')
1975
 
        tt.apply()
1976
 
        self.failUnlessExists('c')
1977
 
        self.failUnlessExists('c/d')
1978
 
 
1979
 
    def test_rollback_rename_into_place(self):
1980
 
        tree = self.make_branch_and_tree('.')
1981
 
        self.build_tree(['a/', 'a/b'])
1982
 
        tt = TreeTransform(tree)
1983
 
        self.addCleanup(tt.finalize)
1984
 
        a_id = tt.trans_id_tree_path('a')
1985
 
        tt.adjust_path('c', tt.root, a_id)
1986
 
        tt.adjust_path('d', a_id, tt.trans_id_tree_path('a/b'))
1987
 
        self.assertRaises(Bogus, tt.apply,
1988
 
                          _mover=self.ExceptionFileMover(bad_target='c/d'))
1989
 
        self.failUnlessExists('a')
1990
 
        self.failUnlessExists('a/b')
1991
 
        tt.apply()
1992
 
        self.failUnlessExists('c')
1993
 
        self.failUnlessExists('c/d')
1994
 
 
1995
 
    def test_rollback_deletion(self):
1996
 
        tree = self.make_branch_and_tree('.')
1997
 
        self.build_tree(['a/', 'a/b'])
1998
 
        tt = TreeTransform(tree)
1999
 
        self.addCleanup(tt.finalize)
2000
 
        a_id = tt.trans_id_tree_path('a')
2001
 
        tt.delete_contents(a_id)
2002
 
        tt.adjust_path('d', tt.root, tt.trans_id_tree_path('a/b'))
2003
 
        self.assertRaises(Bogus, tt.apply,
2004
 
                          _mover=self.ExceptionFileMover(bad_target='d'))
2005
 
        self.failUnlessExists('a')
2006
 
        self.failUnlessExists('a/b')
2007
 
 
2008
 
    def test_resolve_no_parent(self):
2009
 
        wt = self.make_branch_and_tree('.')
2010
 
        tt = TreeTransform(wt)
2011
 
        self.addCleanup(tt.finalize)
2012
 
        parent = tt.trans_id_file_id('parent-id')
2013
 
        tt.new_file('file', parent, 'Contents')
2014
 
        resolve_conflicts(tt)
2015
 
 
2016
 
 
2017
 
A_ENTRY = ('a-id', ('a', 'a'), True, (True, True),
2018
 
                  ('TREE_ROOT', 'TREE_ROOT'), ('a', 'a'), ('file', 'file'),
2019
 
                  (False, False))
2020
 
ROOT_ENTRY = ('TREE_ROOT', ('', ''), False, (True, True), (None, None),
2021
 
              ('', ''), ('directory', 'directory'), (False, None))
2022
 
 
2023
 
 
2024
 
class TestTransformPreview(tests.TestCaseWithTransport):
2025
 
 
2026
 
    def create_tree(self):
2027
 
        tree = self.make_branch_and_tree('.')
2028
 
        self.build_tree_contents([('a', 'content 1')])
2029
 
        tree.add('a', 'a-id')
2030
 
        tree.commit('rev1', rev_id='rev1')
2031
 
        return tree.branch.repository.revision_tree('rev1')
2032
 
 
2033
 
    def get_empty_preview(self):
2034
 
        repository = self.make_repository('repo')
2035
 
        tree = repository.revision_tree(_mod_revision.NULL_REVISION)
2036
 
        preview = TransformPreview(tree)
2037
 
        self.addCleanup(preview.finalize)
2038
 
        return preview
2039
 
 
2040
 
    def test_transform_preview(self):
2041
 
        revision_tree = self.create_tree()
2042
 
        preview = TransformPreview(revision_tree)
2043
 
        self.addCleanup(preview.finalize)
2044
 
 
2045
 
    def test_transform_preview_tree(self):
2046
 
        revision_tree = self.create_tree()
2047
 
        preview = TransformPreview(revision_tree)
2048
 
        self.addCleanup(preview.finalize)
2049
 
        preview.get_preview_tree()
2050
 
 
2051
 
    def test_transform_new_file(self):
2052
 
        revision_tree = self.create_tree()
2053
 
        preview = TransformPreview(revision_tree)
2054
 
        self.addCleanup(preview.finalize)
2055
 
        preview.new_file('file2', preview.root, 'content B\n', 'file2-id')
2056
 
        preview_tree = preview.get_preview_tree()
2057
 
        self.assertEqual(preview_tree.kind('file2-id'), 'file')
2058
 
        self.assertEqual(
2059
 
            preview_tree.get_file('file2-id').read(), 'content B\n')
2060
 
 
2061
 
    def test_diff_preview_tree(self):
2062
 
        revision_tree = self.create_tree()
2063
 
        preview = TransformPreview(revision_tree)
2064
 
        self.addCleanup(preview.finalize)
2065
 
        preview.new_file('file2', preview.root, 'content B\n', 'file2-id')
2066
 
        preview_tree = preview.get_preview_tree()
2067
 
        out = StringIO()
2068
 
        show_diff_trees(revision_tree, preview_tree, out)
2069
 
        lines = out.getvalue().splitlines()
2070
 
        self.assertEqual(lines[0], "=== added file 'file2'")
2071
 
        # 3 lines of diff administrivia
2072
 
        self.assertEqual(lines[4], "+content B")
2073
 
 
2074
 
    def test_transform_conflicts(self):
2075
 
        revision_tree = self.create_tree()
2076
 
        preview = TransformPreview(revision_tree)
2077
 
        self.addCleanup(preview.finalize)
2078
 
        preview.new_file('a', preview.root, 'content 2')
2079
 
        resolve_conflicts(preview)
2080
 
        trans_id = preview.trans_id_file_id('a-id')
2081
 
        self.assertEqual('a.moved', preview.final_name(trans_id))
2082
 
 
2083
 
    def get_tree_and_preview_tree(self):
2084
 
        revision_tree = self.create_tree()
2085
 
        preview = TransformPreview(revision_tree)
2086
 
        self.addCleanup(preview.finalize)
2087
 
        a_trans_id = preview.trans_id_file_id('a-id')
2088
 
        preview.delete_contents(a_trans_id)
2089
 
        preview.create_file('b content', a_trans_id)
2090
 
        preview_tree = preview.get_preview_tree()
2091
 
        return revision_tree, preview_tree
2092
 
 
2093
 
    def test_iter_changes(self):
2094
 
        revision_tree, preview_tree = self.get_tree_and_preview_tree()
2095
 
        root = revision_tree.inventory.root.file_id
2096
 
        self.assertEqual([('a-id', ('a', 'a'), True, (True, True),
2097
 
                          (root, root), ('a', 'a'), ('file', 'file'),
2098
 
                          (False, False))],
2099
 
                          list(preview_tree.iter_changes(revision_tree)))
2100
 
 
2101
 
    def test_include_unchanged_succeeds(self):
2102
 
        revision_tree, preview_tree = self.get_tree_and_preview_tree()
2103
 
        changes = preview_tree.iter_changes(revision_tree,
2104
 
                                            include_unchanged=True)
2105
 
        root = revision_tree.inventory.root.file_id
2106
 
 
2107
 
        self.assertEqual([ROOT_ENTRY, A_ENTRY], list(changes))
2108
 
 
2109
 
    def test_specific_files(self):
2110
 
        revision_tree, preview_tree = self.get_tree_and_preview_tree()
2111
 
        changes = preview_tree.iter_changes(revision_tree,
2112
 
                                            specific_files=[''])
2113
 
        self.assertEqual([ROOT_ENTRY, A_ENTRY], list(changes))
2114
 
 
2115
 
    def test_want_unversioned(self):
2116
 
        revision_tree, preview_tree = self.get_tree_and_preview_tree()
2117
 
        changes = preview_tree.iter_changes(revision_tree,
2118
 
                                            want_unversioned=True)
2119
 
        self.assertEqual([ROOT_ENTRY, A_ENTRY], list(changes))
2120
 
 
2121
 
    def test_ignore_extra_trees_no_specific_files(self):
2122
 
        # extra_trees is harmless without specific_files, so we'll silently
2123
 
        # accept it, even though we won't use it.
2124
 
        revision_tree, preview_tree = self.get_tree_and_preview_tree()
2125
 
        preview_tree.iter_changes(revision_tree, extra_trees=[preview_tree])
2126
 
 
2127
 
    def test_ignore_require_versioned_no_specific_files(self):
2128
 
        # require_versioned is meaningless without specific_files.
2129
 
        revision_tree, preview_tree = self.get_tree_and_preview_tree()
2130
 
        preview_tree.iter_changes(revision_tree, require_versioned=False)
2131
 
 
2132
 
    def test_ignore_pb(self):
2133
 
        # pb could be supported, but TT.iter_changes doesn't support it.
2134
 
        revision_tree, preview_tree = self.get_tree_and_preview_tree()
2135
 
        preview_tree.iter_changes(revision_tree, pb=progress.DummyProgress())
2136
 
 
2137
 
    def test_kind(self):
2138
 
        revision_tree = self.create_tree()
2139
 
        preview = TransformPreview(revision_tree)
2140
 
        self.addCleanup(preview.finalize)
2141
 
        preview.new_file('file', preview.root, 'contents', 'file-id')
2142
 
        preview.new_directory('directory', preview.root, 'dir-id')
2143
 
        preview_tree = preview.get_preview_tree()
2144
 
        self.assertEqual('file', preview_tree.kind('file-id'))
2145
 
        self.assertEqual('directory', preview_tree.kind('dir-id'))
2146
 
 
2147
 
    def test_get_file_mtime(self):
2148
 
        preview = self.get_empty_preview()
2149
 
        file_trans_id = preview.new_file('file', preview.root, 'contents',
2150
 
                                         'file-id')
2151
 
        limbo_path = preview._limbo_name(file_trans_id)
2152
 
        preview_tree = preview.get_preview_tree()
2153
 
        self.assertEqual(os.stat(limbo_path).st_mtime,
2154
 
                         preview_tree.get_file_mtime('file-id'))
2155
 
 
2156
 
    def test_get_file(self):
2157
 
        preview = self.get_empty_preview()
2158
 
        preview.new_file('file', preview.root, 'contents', 'file-id')
2159
 
        preview_tree = preview.get_preview_tree()
2160
 
        tree_file = preview_tree.get_file('file-id')
2161
 
        try:
2162
 
            self.assertEqual('contents', tree_file.read())
2163
 
        finally:
2164
 
            tree_file.close()
2165
 
 
2166
 
    def test_get_symlink_target(self):
2167
 
        self.requireFeature(SymlinkFeature)
2168
 
        preview = self.get_empty_preview()
2169
 
        preview.new_symlink('symlink', preview.root, 'target', 'symlink-id')
2170
 
        preview_tree = preview.get_preview_tree()
2171
 
        self.assertEqual('target',
2172
 
                         preview_tree.get_symlink_target('symlink-id'))
2173
 
 
2174
 
    def test_all_file_ids(self):
2175
 
        tree = self.make_branch_and_tree('tree')
2176
 
        self.build_tree(['tree/a', 'tree/b', 'tree/c'])
2177
 
        tree.add(['a', 'b', 'c'], ['a-id', 'b-id', 'c-id'])
2178
 
        preview = TransformPreview(tree)
2179
 
        self.addCleanup(preview.finalize)
2180
 
        preview.unversion_file(preview.trans_id_file_id('b-id'))
2181
 
        c_trans_id = preview.trans_id_file_id('c-id')
2182
 
        preview.unversion_file(c_trans_id)
2183
 
        preview.version_file('c-id', c_trans_id)
2184
 
        preview_tree = preview.get_preview_tree()
2185
 
        self.assertEqual(set(['a-id', 'c-id', tree.get_root_id()]),
2186
 
                         preview_tree.all_file_ids())
2187
 
 
2188
 
    def test_path2id_deleted_unchanged(self):
2189
 
        tree = self.make_branch_and_tree('tree')
2190
 
        self.build_tree(['tree/unchanged', 'tree/deleted'])
2191
 
        tree.add(['unchanged', 'deleted'], ['unchanged-id', 'deleted-id'])
2192
 
        preview = TransformPreview(tree)
2193
 
        self.addCleanup(preview.finalize)
2194
 
        preview.unversion_file(preview.trans_id_file_id('deleted-id'))
2195
 
        preview_tree = preview.get_preview_tree()
2196
 
        self.assertEqual('unchanged-id', preview_tree.path2id('unchanged'))
2197
 
        self.assertIs(None, preview_tree.path2id('deleted'))
2198
 
 
2199
 
    def test_path2id_created(self):
2200
 
        tree = self.make_branch_and_tree('tree')
2201
 
        self.build_tree(['tree/unchanged'])
2202
 
        tree.add(['unchanged'], ['unchanged-id'])
2203
 
        preview = TransformPreview(tree)
2204
 
        self.addCleanup(preview.finalize)
2205
 
        preview.new_file('new', preview.trans_id_file_id('unchanged-id'),
2206
 
            'contents', 'new-id')
2207
 
        preview_tree = preview.get_preview_tree()
2208
 
        self.assertEqual('new-id', preview_tree.path2id('unchanged/new'))
2209
 
 
2210
 
    def test_path2id_moved(self):
2211
 
        tree = self.make_branch_and_tree('tree')
2212
 
        self.build_tree(['tree/old_parent/', 'tree/old_parent/child'])
2213
 
        tree.add(['old_parent', 'old_parent/child'],
2214
 
                 ['old_parent-id', 'child-id'])
2215
 
        preview = TransformPreview(tree)
2216
 
        self.addCleanup(preview.finalize)
2217
 
        new_parent = preview.new_directory('new_parent', preview.root,
2218
 
                                           'new_parent-id')
2219
 
        preview.adjust_path('child', new_parent,
2220
 
                            preview.trans_id_file_id('child-id'))
2221
 
        preview_tree = preview.get_preview_tree()
2222
 
        self.assertIs(None, preview_tree.path2id('old_parent/child'))
2223
 
        self.assertEqual('child-id', preview_tree.path2id('new_parent/child'))
2224
 
 
2225
 
    def test_path2id_renamed_parent(self):
2226
 
        tree = self.make_branch_and_tree('tree')
2227
 
        self.build_tree(['tree/old_name/', 'tree/old_name/child'])
2228
 
        tree.add(['old_name', 'old_name/child'],
2229
 
                 ['parent-id', 'child-id'])
2230
 
        preview = TransformPreview(tree)
2231
 
        self.addCleanup(preview.finalize)
2232
 
        preview.adjust_path('new_name', preview.root,
2233
 
                            preview.trans_id_file_id('parent-id'))
2234
 
        preview_tree = preview.get_preview_tree()
2235
 
        self.assertIs(None, preview_tree.path2id('old_name/child'))
2236
 
        self.assertEqual('child-id', preview_tree.path2id('new_name/child'))
2237
 
 
2238
 
    def assertMatchingIterEntries(self, tt, specific_file_ids=None):
2239
 
        preview_tree = tt.get_preview_tree()
2240
 
        preview_result = list(preview_tree.iter_entries_by_dir(
2241
 
                              specific_file_ids))
2242
 
        tree = tt._tree
2243
 
        tt.apply()
2244
 
        actual_result = list(tree.iter_entries_by_dir(specific_file_ids))
2245
 
        self.assertEqual(actual_result, preview_result)
2246
 
 
2247
 
    def test_iter_entries_by_dir_new(self):
2248
 
        tree = self.make_branch_and_tree('tree')
2249
 
        tt = TreeTransform(tree)
2250
 
        tt.new_file('new', tt.root, 'contents', 'new-id')
2251
 
        self.assertMatchingIterEntries(tt)
2252
 
 
2253
 
    def test_iter_entries_by_dir_deleted(self):
2254
 
        tree = self.make_branch_and_tree('tree')
2255
 
        self.build_tree(['tree/deleted'])
2256
 
        tree.add('deleted', 'deleted-id')
2257
 
        tt = TreeTransform(tree)
2258
 
        tt.delete_contents(tt.trans_id_file_id('deleted-id'))
2259
 
        self.assertMatchingIterEntries(tt)
2260
 
 
2261
 
    def test_iter_entries_by_dir_unversioned(self):
2262
 
        tree = self.make_branch_and_tree('tree')
2263
 
        self.build_tree(['tree/removed'])
2264
 
        tree.add('removed', 'removed-id')
2265
 
        tt = TreeTransform(tree)
2266
 
        tt.unversion_file(tt.trans_id_file_id('removed-id'))
2267
 
        self.assertMatchingIterEntries(tt)
2268
 
 
2269
 
    def test_iter_entries_by_dir_moved(self):
2270
 
        tree = self.make_branch_and_tree('tree')
2271
 
        self.build_tree(['tree/moved', 'tree/new_parent/'])
2272
 
        tree.add(['moved', 'new_parent'], ['moved-id', 'new_parent-id'])
2273
 
        tt = TreeTransform(tree)
2274
 
        tt.adjust_path('moved', tt.trans_id_file_id('new_parent-id'),
2275
 
                       tt.trans_id_file_id('moved-id'))
2276
 
        self.assertMatchingIterEntries(tt)
2277
 
 
2278
 
    def test_iter_entries_by_dir_specific_file_ids(self):
2279
 
        tree = self.make_branch_and_tree('tree')
2280
 
        tree.set_root_id('tree-root-id')
2281
 
        self.build_tree(['tree/parent/', 'tree/parent/child'])
2282
 
        tree.add(['parent', 'parent/child'], ['parent-id', 'child-id'])
2283
 
        tt = TreeTransform(tree)
2284
 
        self.assertMatchingIterEntries(tt, ['tree-root-id', 'child-id'])
2285
 
 
2286
 
    def test_symlink_content_summary(self):
2287
 
        self.requireFeature(SymlinkFeature)
2288
 
        preview = self.get_empty_preview()
2289
 
        preview.new_symlink('path', preview.root, 'target', 'path-id')
2290
 
        summary = preview.get_preview_tree().path_content_summary('path')
2291
 
        self.assertEqual(('symlink', None, None, 'target'), summary)
2292
 
 
2293
 
    def test_missing_content_summary(self):
2294
 
        preview = self.get_empty_preview()
2295
 
        summary = preview.get_preview_tree().path_content_summary('path')
2296
 
        self.assertEqual(('missing', None, None, None), summary)
2297
 
 
2298
 
    def test_deleted_content_summary(self):
2299
 
        tree = self.make_branch_and_tree('tree')
2300
 
        self.build_tree(['tree/path/'])
2301
 
        tree.add('path')
2302
 
        preview = TransformPreview(tree)
2303
 
        self.addCleanup(preview.finalize)
2304
 
        preview.delete_contents(preview.trans_id_tree_path('path'))
2305
 
        summary = preview.get_preview_tree().path_content_summary('path')
2306
 
        self.assertEqual(('missing', None, None, None), summary)
2307
 
 
2308
 
    def test_file_content_summary_executable(self):
2309
 
        if not osutils.supports_executable():
2310
 
            raise TestNotApplicable()
2311
 
        preview = self.get_empty_preview()
2312
 
        path_id = preview.new_file('path', preview.root, 'contents', 'path-id')
2313
 
        preview.set_executability(True, path_id)
2314
 
        summary = preview.get_preview_tree().path_content_summary('path')
2315
 
        self.assertEqual(4, len(summary))
2316
 
        self.assertEqual('file', summary[0])
2317
 
        # size must be known
2318
 
        self.assertEqual(len('contents'), summary[1])
2319
 
        # executable
2320
 
        self.assertEqual(True, summary[2])
2321
 
        # will not have hash (not cheap to determine)
2322
 
        self.assertIs(None, summary[3])
2323
 
 
2324
 
    def test_change_executability(self):
2325
 
        if not osutils.supports_executable():
2326
 
            raise TestNotApplicable()
2327
 
        tree = self.make_branch_and_tree('tree')
2328
 
        self.build_tree(['tree/path'])
2329
 
        tree.add('path')
2330
 
        preview = TransformPreview(tree)
2331
 
        self.addCleanup(preview.finalize)
2332
 
        path_id = preview.trans_id_tree_path('path')
2333
 
        preview.set_executability(True, path_id)
2334
 
        summary = preview.get_preview_tree().path_content_summary('path')
2335
 
        self.assertEqual(True, summary[2])
2336
 
 
2337
 
    def test_file_content_summary_non_exec(self):
2338
 
        preview = self.get_empty_preview()
2339
 
        preview.new_file('path', preview.root, 'contents', 'path-id')
2340
 
        summary = preview.get_preview_tree().path_content_summary('path')
2341
 
        self.assertEqual(4, len(summary))
2342
 
        self.assertEqual('file', summary[0])
2343
 
        # size must be known
2344
 
        self.assertEqual(len('contents'), summary[1])
2345
 
        # not executable
2346
 
        if osutils.supports_executable():
2347
 
            self.assertEqual(False, summary[2])
2348
 
        else:
2349
 
            self.assertEqual(None, summary[2])
2350
 
        # will not have hash (not cheap to determine)
2351
 
        self.assertIs(None, summary[3])
2352
 
 
2353
 
    def test_dir_content_summary(self):
2354
 
        preview = self.get_empty_preview()
2355
 
        preview.new_directory('path', preview.root, 'path-id')
2356
 
        summary = preview.get_preview_tree().path_content_summary('path')
2357
 
        self.assertEqual(('directory', None, None, None), summary)
2358
 
 
2359
 
    def test_tree_content_summary(self):
2360
 
        preview = self.get_empty_preview()
2361
 
        path = preview.new_directory('path', preview.root, 'path-id')
2362
 
        preview.set_tree_reference('rev-1', path)
2363
 
        summary = preview.get_preview_tree().path_content_summary('path')
2364
 
        self.assertEqual(4, len(summary))
2365
 
        self.assertEqual('tree-reference', summary[0])
2366
 
 
2367
 
    def test_annotate(self):
2368
 
        tree = self.make_branch_and_tree('tree')
2369
 
        self.build_tree_contents([('tree/file', 'a\n')])
2370
 
        tree.add('file', 'file-id')
2371
 
        tree.commit('a', rev_id='one')
2372
 
        self.build_tree_contents([('tree/file', 'a\nb\n')])
2373
 
        preview = TransformPreview(tree)
2374
 
        self.addCleanup(preview.finalize)
2375
 
        file_trans_id = preview.trans_id_file_id('file-id')
2376
 
        preview.delete_contents(file_trans_id)
2377
 
        preview.create_file('a\nb\nc\n', file_trans_id)
2378
 
        preview_tree = preview.get_preview_tree()
2379
 
        expected = [
2380
 
            ('one', 'a\n'),
2381
 
            ('me:', 'b\n'),
2382
 
            ('me:', 'c\n'),
2383
 
        ]
2384
 
        annotation = preview_tree.annotate_iter('file-id', 'me:')
2385
 
        self.assertEqual(expected, annotation)
2386
 
 
2387
 
    def test_annotate_missing(self):
2388
 
        preview = self.get_empty_preview()
2389
 
        preview.new_file('file', preview.root, 'a\nb\nc\n', 'file-id')
2390
 
        preview_tree = preview.get_preview_tree()
2391
 
        expected = [
2392
 
            ('me:', 'a\n'),
2393
 
            ('me:', 'b\n'),
2394
 
            ('me:', 'c\n'),
2395
 
         ]
2396
 
        annotation = preview_tree.annotate_iter('file-id', 'me:')
2397
 
        self.assertEqual(expected, annotation)
2398
 
 
2399
 
    def test_annotate_rename(self):
2400
 
        tree = self.make_branch_and_tree('tree')
2401
 
        self.build_tree_contents([('tree/file', 'a\n')])
2402
 
        tree.add('file', 'file-id')
2403
 
        tree.commit('a', rev_id='one')
2404
 
        preview = TransformPreview(tree)
2405
 
        self.addCleanup(preview.finalize)
2406
 
        file_trans_id = preview.trans_id_file_id('file-id')
2407
 
        preview.adjust_path('newname', preview.root, file_trans_id)
2408
 
        preview_tree = preview.get_preview_tree()
2409
 
        expected = [
2410
 
            ('one', 'a\n'),
2411
 
        ]
2412
 
        annotation = preview_tree.annotate_iter('file-id', 'me:')
2413
 
        self.assertEqual(expected, annotation)
2414
 
 
2415
 
    def test_annotate_deleted(self):
2416
 
        tree = self.make_branch_and_tree('tree')
2417
 
        self.build_tree_contents([('tree/file', 'a\n')])
2418
 
        tree.add('file', 'file-id')
2419
 
        tree.commit('a', rev_id='one')
2420
 
        self.build_tree_contents([('tree/file', 'a\nb\n')])
2421
 
        preview = TransformPreview(tree)
2422
 
        self.addCleanup(preview.finalize)
2423
 
        file_trans_id = preview.trans_id_file_id('file-id')
2424
 
        preview.delete_contents(file_trans_id)
2425
 
        preview_tree = preview.get_preview_tree()
2426
 
        annotation = preview_tree.annotate_iter('file-id', 'me:')
2427
 
        self.assertIs(None, annotation)
2428
 
 
2429
 
    def test_stored_kind(self):
2430
 
        preview = self.get_empty_preview()
2431
 
        preview.new_file('file', preview.root, 'a\nb\nc\n', 'file-id')
2432
 
        preview_tree = preview.get_preview_tree()
2433
 
        self.assertEqual('file', preview_tree.stored_kind('file-id'))
2434
 
 
2435
 
    def test_is_executable(self):
2436
 
        preview = self.get_empty_preview()
2437
 
        preview.new_file('file', preview.root, 'a\nb\nc\n', 'file-id')
2438
 
        preview.set_executability(True, preview.trans_id_file_id('file-id'))
2439
 
        preview_tree = preview.get_preview_tree()
2440
 
        self.assertEqual(True, preview_tree.is_executable('file-id'))
2441
 
 
2442
 
    def test_get_set_parent_ids(self):
2443
 
        revision_tree, preview_tree = self.get_tree_and_preview_tree()
2444
 
        self.assertEqual([], preview_tree.get_parent_ids())
2445
 
        preview_tree.set_parent_ids(['rev-1'])
2446
 
        self.assertEqual(['rev-1'], preview_tree.get_parent_ids())
2447
 
 
2448
 
    def test_plan_file_merge(self):
2449
 
        work_a = self.make_branch_and_tree('wta')
2450
 
        self.build_tree_contents([('wta/file', 'a\nb\nc\nd\n')])
2451
 
        work_a.add('file', 'file-id')
2452
 
        base_id = work_a.commit('base version')
2453
 
        tree_b = work_a.bzrdir.sprout('wtb').open_workingtree()
2454
 
        preview = TransformPreview(work_a)
2455
 
        self.addCleanup(preview.finalize)
2456
 
        trans_id = preview.trans_id_file_id('file-id')
2457
 
        preview.delete_contents(trans_id)
2458
 
        preview.create_file('b\nc\nd\ne\n', trans_id)
2459
 
        self.build_tree_contents([('wtb/file', 'a\nc\nd\nf\n')])
2460
 
        tree_a = preview.get_preview_tree()
2461
 
        tree_a.set_parent_ids([base_id])
2462
 
        self.assertEqual([
2463
 
            ('killed-a', 'a\n'),
2464
 
            ('killed-b', 'b\n'),
2465
 
            ('unchanged', 'c\n'),
2466
 
            ('unchanged', 'd\n'),
2467
 
            ('new-a', 'e\n'),
2468
 
            ('new-b', 'f\n'),
2469
 
        ], list(tree_a.plan_file_merge('file-id', tree_b)))
2470
 
 
2471
 
    def test_plan_file_merge_revision_tree(self):
2472
 
        work_a = self.make_branch_and_tree('wta')
2473
 
        self.build_tree_contents([('wta/file', 'a\nb\nc\nd\n')])
2474
 
        work_a.add('file', 'file-id')
2475
 
        base_id = work_a.commit('base version')
2476
 
        tree_b = work_a.bzrdir.sprout('wtb').open_workingtree()
2477
 
        preview = TransformPreview(work_a.basis_tree())
2478
 
        self.addCleanup(preview.finalize)
2479
 
        trans_id = preview.trans_id_file_id('file-id')
2480
 
        preview.delete_contents(trans_id)
2481
 
        preview.create_file('b\nc\nd\ne\n', trans_id)
2482
 
        self.build_tree_contents([('wtb/file', 'a\nc\nd\nf\n')])
2483
 
        tree_a = preview.get_preview_tree()
2484
 
        tree_a.set_parent_ids([base_id])
2485
 
        self.assertEqual([
2486
 
            ('killed-a', 'a\n'),
2487
 
            ('killed-b', 'b\n'),
2488
 
            ('unchanged', 'c\n'),
2489
 
            ('unchanged', 'd\n'),
2490
 
            ('new-a', 'e\n'),
2491
 
            ('new-b', 'f\n'),
2492
 
        ], list(tree_a.plan_file_merge('file-id', tree_b)))
2493
 
 
2494
 
    def test_walkdirs(self):
2495
 
        preview = self.get_empty_preview()
2496
 
        preview.version_file('tree-root', preview.root)
2497
 
        preview_tree = preview.get_preview_tree()
2498
 
        file_trans_id = preview.new_file('a', preview.root, 'contents',
2499
 
                                         'a-id')
2500
 
        expected = [(('', 'tree-root'),
2501
 
                    [('a', 'a', 'file', None, 'a-id', 'file')])]
2502
 
        self.assertEqual(expected, list(preview_tree.walkdirs()))
2503
 
 
2504
 
    def test_extras(self):
2505
 
        work_tree = self.make_branch_and_tree('tree')
2506
 
        self.build_tree(['tree/removed-file', 'tree/existing-file',
2507
 
                         'tree/not-removed-file'])
2508
 
        work_tree.add(['removed-file', 'not-removed-file'])
2509
 
        preview = TransformPreview(work_tree)
2510
 
        self.addCleanup(preview.finalize)
2511
 
        preview.new_file('new-file', preview.root, 'contents')
2512
 
        preview.new_file('new-versioned-file', preview.root, 'contents',
2513
 
                         'new-versioned-id')
2514
 
        tree = preview.get_preview_tree()
2515
 
        preview.unversion_file(preview.trans_id_tree_path('removed-file'))
2516
 
        self.assertEqual(set(['new-file', 'removed-file', 'existing-file']),
2517
 
                         set(tree.extras()))
2518
 
 
2519
 
    def test_merge_into_preview(self):
2520
 
        work_tree = self.make_branch_and_tree('tree')
2521
 
        self.build_tree_contents([('tree/file','b\n')])
2522
 
        work_tree.add('file', 'file-id')
2523
 
        work_tree.commit('first commit')
2524
 
        child_tree = work_tree.bzrdir.sprout('child').open_workingtree()
2525
 
        self.build_tree_contents([('child/file','b\nc\n')])
2526
 
        child_tree.commit('child commit')
2527
 
        child_tree.lock_write()
2528
 
        self.addCleanup(child_tree.unlock)
2529
 
        work_tree.lock_write()
2530
 
        self.addCleanup(work_tree.unlock)
2531
 
        preview = TransformPreview(work_tree)
2532
 
        self.addCleanup(preview.finalize)
2533
 
        preview_tree = preview.get_preview_tree()
2534
 
        file_trans_id = preview.trans_id_file_id('file-id')
2535
 
        preview.delete_contents(file_trans_id)
2536
 
        preview.create_file('a\nb\n', file_trans_id)
2537
 
        pb = progress.DummyProgress()
2538
 
        merger = Merger.from_revision_ids(pb, preview_tree,
2539
 
                                          child_tree.branch.last_revision(),
2540
 
                                          other_branch=child_tree.branch,
2541
 
                                          tree_branch=work_tree.branch)
2542
 
        merger.merge_type = Merge3Merger
2543
 
        tt = merger.make_merger().make_preview_transform()
2544
 
        self.addCleanup(tt.finalize)
2545
 
        final_tree = tt.get_preview_tree()
2546
 
        self.assertEqual('a\nb\nc\n', final_tree.get_file_text('file-id'))
2547
 
 
2548
 
    def test_merge_preview_into_workingtree(self):
2549
 
        tree = self.make_branch_and_tree('tree')
2550
 
        tt = TransformPreview(tree)
2551
 
        self.addCleanup(tt.finalize)
2552
 
        tt.new_file('name', tt.root, 'content', 'file-id')
2553
 
        tree2 = self.make_branch_and_tree('tree2')
2554
 
        pb = progress.DummyProgress()
2555
 
        merger = Merger.from_uncommitted(tree2, tt.get_preview_tree(),
2556
 
                                         pb, tree.basis_tree())
2557
 
        merger.merge_type = Merge3Merger
2558
 
        merger.do_merge()
2559
 
 
2560
 
    def test_merge_preview_into_workingtree_handles_conflicts(self):
2561
 
        tree = self.make_branch_and_tree('tree')
2562
 
        self.build_tree_contents([('tree/foo', 'bar')])
2563
 
        tree.add('foo', 'foo-id')
2564
 
        tree.commit('foo')
2565
 
        tt = TransformPreview(tree)
2566
 
        self.addCleanup(tt.finalize)
2567
 
        trans_id = tt.trans_id_file_id('foo-id')
2568
 
        tt.delete_contents(trans_id)
2569
 
        tt.create_file('baz', trans_id)
2570
 
        tree2 = tree.bzrdir.sprout('tree2').open_workingtree()
2571
 
        self.build_tree_contents([('tree2/foo', 'qux')])
2572
 
        pb = progress.DummyProgress()
2573
 
        merger = Merger.from_uncommitted(tree2, tt.get_preview_tree(),
2574
 
                                         pb, tree.basis_tree())
2575
 
        merger.merge_type = Merge3Merger
2576
 
        merger.do_merge()
2577
 
 
2578
 
    def test_is_executable(self):
2579
 
        tree = self.make_branch_and_tree('tree')
2580
 
        preview = TransformPreview(tree)
2581
 
        self.addCleanup(preview.finalize)
2582
 
        preview.new_file('foo', preview.root, 'bar', 'baz-id')
2583
 
        preview_tree = preview.get_preview_tree()
2584
 
        self.assertEqual(False, preview_tree.is_executable('baz-id',
2585
 
                                                           'tree/foo'))
2586
 
        self.assertEqual(False, preview_tree.is_executable('baz-id'))
2587
 
 
2588
 
 
2589
 
class FakeSerializer(object):
2590
 
    """Serializer implementation that simply returns the input.
2591
 
 
2592
 
    The input is returned in the order used by pack.ContainerPushParser.
2593
 
    """
2594
 
    @staticmethod
2595
 
    def bytes_record(bytes, names):
2596
 
        return names, bytes
2597
 
 
2598
 
 
2599
 
class TestSerializeTransform(tests.TestCaseWithTransport):
2600
 
 
2601
 
    _test_needs_features = [tests.UnicodeFilenameFeature]
2602
 
 
2603
 
    def get_preview(self, tree=None):
2604
 
        if tree is None:
2605
 
            tree = self.make_branch_and_tree('tree')
2606
 
        tt = TransformPreview(tree)
2607
 
        self.addCleanup(tt.finalize)
2608
 
        return tt
2609
 
 
2610
 
    def assertSerializesTo(self, expected, tt):
2611
 
        records = list(tt.serialize(FakeSerializer()))
2612
 
        self.assertEqual(expected, records)
2613
 
 
2614
 
    @staticmethod
2615
 
    def default_attribs():
2616
 
        return {
2617
 
            '_id_number': 1,
2618
 
            '_new_name': {},
2619
 
            '_new_parent': {},
2620
 
            '_new_executability': {},
2621
 
            '_new_id': {},
2622
 
            '_tree_path_ids': {'': 'new-0'},
2623
 
            '_removed_id': [],
2624
 
            '_removed_contents': [],
2625
 
            '_non_present_ids': {},
2626
 
            }
2627
 
 
2628
 
    def make_records(self, attribs, contents):
2629
 
        records = [
2630
 
            (((('attribs'),),), bencode.bencode(attribs))]
2631
 
        records.extend([(((n, k),), c) for n, k, c in contents])
2632
 
        return records
2633
 
 
2634
 
    def creation_records(self):
2635
 
        attribs = self.default_attribs()
2636
 
        attribs['_id_number'] = 3
2637
 
        attribs['_new_name'] = {
2638
 
            'new-1': u'foo\u1234'.encode('utf-8'), 'new-2': 'qux'}
2639
 
        attribs['_new_id'] = {'new-1': 'baz', 'new-2': 'quxx'}
2640
 
        attribs['_new_parent'] = {'new-1': 'new-0', 'new-2': 'new-0'}
2641
 
        attribs['_new_executability'] = {'new-1': 1}
2642
 
        contents = [
2643
 
            ('new-1', 'file', 'i 1\nbar\n'),
2644
 
            ('new-2', 'directory', ''),
2645
 
            ]
2646
 
        return self.make_records(attribs, contents)
2647
 
 
2648
 
    def test_serialize_creation(self):
2649
 
        tt = self.get_preview()
2650
 
        tt.new_file(u'foo\u1234', tt.root, 'bar', 'baz', True)
2651
 
        tt.new_directory('qux', tt.root, 'quxx')
2652
 
        self.assertSerializesTo(self.creation_records(), tt)
2653
 
 
2654
 
    def test_deserialize_creation(self):
2655
 
        tt = self.get_preview()
2656
 
        tt.deserialize(iter(self.creation_records()))
2657
 
        self.assertEqual(3, tt._id_number)
2658
 
        self.assertEqual({'new-1': u'foo\u1234',
2659
 
                          'new-2': 'qux'}, tt._new_name)
2660
 
        self.assertEqual({'new-1': 'baz', 'new-2': 'quxx'}, tt._new_id)
2661
 
        self.assertEqual({'new-1': tt.root, 'new-2': tt.root}, tt._new_parent)
2662
 
        self.assertEqual({'baz': 'new-1', 'quxx': 'new-2'}, tt._r_new_id)
2663
 
        self.assertEqual({'new-1': True}, tt._new_executability)
2664
 
        self.assertEqual({'new-1': 'file',
2665
 
                          'new-2': 'directory'}, tt._new_contents)
2666
 
        foo_limbo = open(tt._limbo_name('new-1'), 'rb')
2667
 
        try:
2668
 
            foo_content = foo_limbo.read()
2669
 
        finally:
2670
 
            foo_limbo.close()
2671
 
        self.assertEqual('bar', foo_content)
2672
 
 
2673
 
    def symlink_creation_records(self):
2674
 
        attribs = self.default_attribs()
2675
 
        attribs['_id_number'] = 2
2676
 
        attribs['_new_name'] = {'new-1': u'foo\u1234'.encode('utf-8')}
2677
 
        attribs['_new_parent'] = {'new-1': 'new-0'}
2678
 
        contents = [('new-1', 'symlink', u'bar\u1234'.encode('utf-8'))]
2679
 
        return self.make_records(attribs, contents)
2680
 
 
2681
 
    def test_serialize_symlink_creation(self):
2682
 
        self.requireFeature(tests.SymlinkFeature)
2683
 
        tt = self.get_preview()
2684
 
        tt.new_symlink(u'foo\u1234', tt.root, u'bar\u1234')
2685
 
        self.assertSerializesTo(self.symlink_creation_records(), tt)
2686
 
 
2687
 
    def test_deserialize_symlink_creation(self):
2688
 
        tt = self.get_preview()
2689
 
        tt.deserialize(iter(self.symlink_creation_records()))
2690
 
        # XXX readlink should be returning unicode, not utf-8
2691
 
        foo_content = os.readlink(tt._limbo_name('new-1')).decode('utf-8')
2692
 
        self.assertEqual(u'bar\u1234', foo_content)
2693
 
 
2694
 
    def make_destruction_preview(self):
2695
 
        tree = self.make_branch_and_tree('.')
2696
 
        self.build_tree([u'foo\u1234', 'bar'])
2697
 
        tree.add([u'foo\u1234', 'bar'], ['foo-id', 'bar-id'])
2698
 
        return self.get_preview(tree)
2699
 
 
2700
 
    def destruction_records(self):
2701
 
        attribs = self.default_attribs()
2702
 
        attribs['_id_number'] = 3
2703
 
        attribs['_removed_id'] = ['new-1']
2704
 
        attribs['_removed_contents'] = ['new-2']
2705
 
        attribs['_tree_path_ids'] = {
2706
 
            '': 'new-0',
2707
 
            u'foo\u1234'.encode('utf-8'): 'new-1',
2708
 
            'bar': 'new-2',
2709
 
            }
2710
 
        return self.make_records(attribs, [])
2711
 
 
2712
 
    def test_serialize_destruction(self):
2713
 
        tt = self.make_destruction_preview()
2714
 
        foo_trans_id = tt.trans_id_tree_file_id('foo-id')
2715
 
        tt.unversion_file(foo_trans_id)
2716
 
        bar_trans_id = tt.trans_id_tree_file_id('bar-id')
2717
 
        tt.delete_contents(bar_trans_id)
2718
 
        self.assertSerializesTo(self.destruction_records(), tt)
2719
 
 
2720
 
    def test_deserialize_destruction(self):
2721
 
        tt = self.make_destruction_preview()
2722
 
        tt.deserialize(iter(self.destruction_records()))
2723
 
        self.assertEqual({u'foo\u1234': 'new-1',
2724
 
                          'bar': 'new-2',
2725
 
                          '': tt.root}, tt._tree_path_ids)
2726
 
        self.assertEqual({'new-1': u'foo\u1234',
2727
 
                          'new-2': 'bar',
2728
 
                          tt.root: ''}, tt._tree_id_paths)
2729
 
        self.assertEqual(set(['new-1']), tt._removed_id)
2730
 
        self.assertEqual(set(['new-2']), tt._removed_contents)
2731
 
 
2732
 
    def missing_records(self):
2733
 
        attribs = self.default_attribs()
2734
 
        attribs['_id_number'] = 2
2735
 
        attribs['_non_present_ids'] = {
2736
 
            'boo': 'new-1',}
2737
 
        return self.make_records(attribs, [])
2738
 
 
2739
 
    def test_serialize_missing(self):
2740
 
        tt = self.get_preview()
2741
 
        boo_trans_id = tt.trans_id_file_id('boo')
2742
 
        self.assertSerializesTo(self.missing_records(), tt)
2743
 
 
2744
 
    def test_deserialize_missing(self):
2745
 
        tt = self.get_preview()
2746
 
        tt.deserialize(iter(self.missing_records()))
2747
 
        self.assertEqual({'boo': 'new-1'}, tt._non_present_ids)
2748
 
 
2749
 
    def make_modification_preview(self):
2750
 
        LINES_ONE = 'aa\nbb\ncc\ndd\n'
2751
 
        LINES_TWO = 'z\nbb\nx\ndd\n'
2752
 
        tree = self.make_branch_and_tree('tree')
2753
 
        self.build_tree_contents([('tree/file', LINES_ONE)])
2754
 
        tree.add('file', 'file-id')
2755
 
        return self.get_preview(tree), LINES_TWO
2756
 
 
2757
 
    def modification_records(self):
2758
 
        attribs = self.default_attribs()
2759
 
        attribs['_id_number'] = 2
2760
 
        attribs['_tree_path_ids'] = {
2761
 
            'file': 'new-1',
2762
 
            '': 'new-0',}
2763
 
        attribs['_removed_contents'] = ['new-1']
2764
 
        contents = [('new-1', 'file',
2765
 
                     'i 1\nz\n\nc 0 1 1 1\ni 1\nx\n\nc 0 3 3 1\n')]
2766
 
        return self.make_records(attribs, contents)
2767
 
 
2768
 
    def test_serialize_modification(self):
2769
 
        tt, LINES = self.make_modification_preview()
2770
 
        trans_id = tt.trans_id_file_id('file-id')
2771
 
        tt.delete_contents(trans_id)
2772
 
        tt.create_file(LINES, trans_id)
2773
 
        self.assertSerializesTo(self.modification_records(), tt)
2774
 
 
2775
 
    def test_deserialize_modification(self):
2776
 
        tt, LINES = self.make_modification_preview()
2777
 
        tt.deserialize(iter(self.modification_records()))
2778
 
        self.assertFileEqual(LINES, tt._limbo_name('new-1'))
2779
 
 
2780
 
    def make_kind_change_preview(self):
2781
 
        LINES = 'a\nb\nc\nd\n'
2782
 
        tree = self.make_branch_and_tree('tree')
2783
 
        self.build_tree(['tree/foo/'])
2784
 
        tree.add('foo', 'foo-id')
2785
 
        return self.get_preview(tree), LINES
2786
 
 
2787
 
    def kind_change_records(self):
2788
 
        attribs = self.default_attribs()
2789
 
        attribs['_id_number'] = 2
2790
 
        attribs['_tree_path_ids'] = {
2791
 
            'foo': 'new-1',
2792
 
            '': 'new-0',}
2793
 
        attribs['_removed_contents'] = ['new-1']
2794
 
        contents = [('new-1', 'file',
2795
 
                     'i 4\na\nb\nc\nd\n\n')]
2796
 
        return self.make_records(attribs, contents)
2797
 
 
2798
 
    def test_serialize_kind_change(self):
2799
 
        tt, LINES = self.make_kind_change_preview()
2800
 
        trans_id = tt.trans_id_file_id('foo-id')
2801
 
        tt.delete_contents(trans_id)
2802
 
        tt.create_file(LINES, trans_id)
2803
 
        self.assertSerializesTo(self.kind_change_records(), tt)
2804
 
 
2805
 
    def test_deserialize_kind_change(self):
2806
 
        tt, LINES = self.make_kind_change_preview()
2807
 
        tt.deserialize(iter(self.kind_change_records()))
2808
 
        self.assertFileEqual(LINES, tt._limbo_name('new-1'))
2809
 
 
2810
 
    def make_add_contents_preview(self):
2811
 
        LINES = 'a\nb\nc\nd\n'
2812
 
        tree = self.make_branch_and_tree('tree')
2813
 
        self.build_tree(['tree/foo'])
2814
 
        tree.add('foo')
2815
 
        os.unlink('tree/foo')
2816
 
        return self.get_preview(tree), LINES
2817
 
 
2818
 
    def add_contents_records(self):
2819
 
        attribs = self.default_attribs()
2820
 
        attribs['_id_number'] = 2
2821
 
        attribs['_tree_path_ids'] = {
2822
 
            'foo': 'new-1',
2823
 
            '': 'new-0',}
2824
 
        contents = [('new-1', 'file',
2825
 
                     'i 4\na\nb\nc\nd\n\n')]
2826
 
        return self.make_records(attribs, contents)
2827
 
 
2828
 
    def test_serialize_add_contents(self):
2829
 
        tt, LINES = self.make_add_contents_preview()
2830
 
        trans_id = tt.trans_id_tree_path('foo')
2831
 
        tt.create_file(LINES, trans_id)
2832
 
        self.assertSerializesTo(self.add_contents_records(), tt)
2833
 
 
2834
 
    def test_deserialize_add_contents(self):
2835
 
        tt, LINES = self.make_add_contents_preview()
2836
 
        tt.deserialize(iter(self.add_contents_records()))
2837
 
        self.assertFileEqual(LINES, tt._limbo_name('new-1'))
2838
 
 
2839
 
    def test_get_parents_lines(self):
2840
 
        LINES_ONE = 'aa\nbb\ncc\ndd\n'
2841
 
        LINES_TWO = 'z\nbb\nx\ndd\n'
2842
 
        tree = self.make_branch_and_tree('tree')
2843
 
        self.build_tree_contents([('tree/file', LINES_ONE)])
2844
 
        tree.add('file', 'file-id')
2845
 
        tt = self.get_preview(tree)
2846
 
        trans_id = tt.trans_id_tree_path('file')
2847
 
        self.assertEqual((['aa\n', 'bb\n', 'cc\n', 'dd\n'],),
2848
 
            tt._get_parents_lines(trans_id))
2849
 
 
2850
 
    def test_get_parents_texts(self):
2851
 
        LINES_ONE = 'aa\nbb\ncc\ndd\n'
2852
 
        LINES_TWO = 'z\nbb\nx\ndd\n'
2853
 
        tree = self.make_branch_and_tree('tree')
2854
 
        self.build_tree_contents([('tree/file', LINES_ONE)])
2855
 
        tree.add('file', 'file-id')
2856
 
        tt = self.get_preview(tree)
2857
 
        trans_id = tt.trans_id_tree_path('file')
2858
 
        self.assertEqual((LINES_ONE,),
2859
 
            tt._get_parents_texts(trans_id))