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Partial updates for API changes in trunk.

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# Copyright (C) 2006 Canonical Ltd
 
2
#
 
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# This program is free software; you can redistribute it and/or modify
 
4
# it under the terms of the GNU General Public License as published by
 
5
# the Free Software Foundation; either version 2 of the License, or
 
6
# (at your option) any later version.
 
7
#
 
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# This program is distributed in the hope that it will be useful,
 
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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# GNU General Public License for more details.
 
12
#
 
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# You should have received a copy of the GNU General Public License
 
14
# along with this program; if not, write to the Free Software
 
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
16
 
 
17
import os
 
18
import stat
 
19
import sys
 
20
 
 
21
from bzrlib import (
 
22
    errors,
 
23
    generate_ids,
 
24
    tests,
 
25
    urlutils,
 
26
    )
 
27
from bzrlib.bzrdir import BzrDir
 
28
from bzrlib.conflicts import (DuplicateEntry, DuplicateID, MissingParent,
 
29
                              UnversionedParent, ParentLoop, DeletingParent,)
 
30
from bzrlib.errors import (DuplicateKey, MalformedTransform, NoSuchFile,
 
31
                           ReusingTransform, CantMoveRoot, 
 
32
                           PathsNotVersionedError, ExistingLimbo,
 
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
 
37
from bzrlib.transform import (TreeTransform, ROOT_PARENT, FinalPaths, 
 
38
                              resolve_conflicts, cook_conflicts, 
 
39
                              find_interesting, build_tree, get_backup_name)
 
40
 
 
41
 
 
42
class TestTreeTransform(TestCaseInTempDir):
 
43
 
 
44
    def setUp(self):
 
45
        super(TestTreeTransform, self).setUp()
 
46
        self.wt = BzrDir.create_standalone_workingtree('.')
 
47
        os.chdir('..')
 
48
 
 
49
    def get_transform(self):
 
50
        transform = TreeTransform(self.wt)
 
51
        #self.addCleanup(transform.finalize)
 
52
        return transform, transform.root
 
53
 
 
54
    def test_existing_limbo(self):
 
55
        limbo_name = urlutils.local_path_from_url(
 
56
            self.wt._control_files.controlfilename('limbo'))
 
57
        transform, root = self.get_transform()
 
58
        os.mkdir(pathjoin(limbo_name, 'hehe'))
 
59
        self.assertRaises(ImmortalLimbo, transform.apply)
 
60
        self.assertRaises(LockError, self.wt.unlock)
 
61
        self.assertRaises(ExistingLimbo, self.get_transform)
 
62
        self.assertRaises(LockError, self.wt.unlock)
 
63
        os.rmdir(pathjoin(limbo_name, 'hehe'))
 
64
        os.rmdir(limbo_name)
 
65
        transform, root = self.get_transform()
 
66
        transform.apply()
 
67
 
 
68
    def test_build(self):
 
69
        transform, root = self.get_transform() 
 
70
        self.assertIs(transform.get_tree_parent(root), ROOT_PARENT)
 
71
        imaginary_id = transform.trans_id_tree_path('imaginary')
 
72
        imaginary_id2 = transform.trans_id_tree_path('imaginary/')
 
73
        self.assertEqual(imaginary_id, imaginary_id2)
 
74
        self.assertEqual(transform.get_tree_parent(imaginary_id), root)
 
75
        self.assertEqual(transform.final_kind(root), 'directory')
 
76
        self.assertEqual(transform.final_file_id(root), self.wt.get_root_id())
 
77
        trans_id = transform.create_path('name', root)
 
78
        self.assertIs(transform.final_file_id(trans_id), None)
 
79
        self.assertRaises(NoSuchFile, transform.final_kind, trans_id)
 
80
        transform.create_file('contents', trans_id)
 
81
        transform.set_executability(True, trans_id)
 
82
        transform.version_file('my_pretties', trans_id)
 
83
        self.assertRaises(DuplicateKey, transform.version_file,
 
84
                          'my_pretties', trans_id)
 
85
        self.assertEqual(transform.final_file_id(trans_id), 'my_pretties')
 
86
        self.assertEqual(transform.final_parent(trans_id), root)
 
87
        self.assertIs(transform.final_parent(root), ROOT_PARENT)
 
88
        self.assertIs(transform.get_tree_parent(root), ROOT_PARENT)
 
89
        oz_id = transform.create_path('oz', root)
 
90
        transform.create_directory(oz_id)
 
91
        transform.version_file('ozzie', oz_id)
 
92
        trans_id2 = transform.create_path('name2', root)
 
93
        transform.create_file('contents', trans_id2)
 
94
        transform.set_executability(False, trans_id2)
 
95
        transform.version_file('my_pretties2', trans_id2)
 
96
        modified_paths = transform.apply().modified_paths
 
97
        self.assertEqual('contents', self.wt.get_file_byname('name').read())
 
98
        self.assertEqual(self.wt.path2id('name'), 'my_pretties')
 
99
        self.assertIs(self.wt.is_executable('my_pretties'), True)
 
100
        self.assertIs(self.wt.is_executable('my_pretties2'), False)
 
101
        self.assertEqual('directory', file_kind(self.wt.abspath('oz')))
 
102
        self.assertEqual(len(modified_paths), 3)
 
103
        tree_mod_paths = [self.wt.id2abspath(f) for f in 
 
104
                          ('ozzie', 'my_pretties', 'my_pretties2')]
 
105
        self.assertSubset(tree_mod_paths, modified_paths)
 
106
        # is it safe to finalize repeatedly?
 
107
        transform.finalize()
 
108
        transform.finalize()
 
109
 
 
110
    def test_convenience(self):
 
111
        transform, root = self.get_transform()
 
112
        trans_id = transform.new_file('name', root, 'contents', 
 
113
                                      'my_pretties', True)
 
114
        oz = transform.new_directory('oz', root, 'oz-id')
 
115
        dorothy = transform.new_directory('dorothy', oz, 'dorothy-id')
 
116
        toto = transform.new_file('toto', dorothy, 'toto-contents', 
 
117
                                  'toto-id', False)
 
118
 
 
119
        self.assertEqual(len(transform.find_conflicts()), 0)
 
120
        transform.apply()
 
121
        self.assertRaises(ReusingTransform, transform.find_conflicts)
 
122
        self.assertEqual('contents', file(self.wt.abspath('name')).read())
 
123
        self.assertEqual(self.wt.path2id('name'), 'my_pretties')
 
124
        self.assertIs(self.wt.is_executable('my_pretties'), True)
 
125
        self.assertEqual(self.wt.path2id('oz'), 'oz-id')
 
126
        self.assertEqual(self.wt.path2id('oz/dorothy'), 'dorothy-id')
 
127
        self.assertEqual(self.wt.path2id('oz/dorothy/toto'), 'toto-id')
 
128
 
 
129
        self.assertEqual('toto-contents', 
 
130
                         self.wt.get_file_byname('oz/dorothy/toto').read())
 
131
        self.assertIs(self.wt.is_executable('toto-id'), False)
 
132
 
 
133
    def test_conflicts(self):
 
134
        transform, root = self.get_transform()
 
135
        trans_id = transform.new_file('name', root, 'contents', 
 
136
                                      'my_pretties')
 
137
        self.assertEqual(len(transform.find_conflicts()), 0)
 
138
        trans_id2 = transform.new_file('name', root, 'Crontents', 'toto')
 
139
        self.assertEqual(transform.find_conflicts(), 
 
140
                         [('duplicate', trans_id, trans_id2, 'name')])
 
141
        self.assertRaises(MalformedTransform, transform.apply)
 
142
        transform.adjust_path('name', trans_id, trans_id2)
 
143
        self.assertEqual(transform.find_conflicts(), 
 
144
                         [('non-directory parent', trans_id)])
 
145
        tinman_id = transform.trans_id_tree_path('tinman')
 
146
        transform.adjust_path('name', tinman_id, trans_id2)
 
147
        self.assertEqual(transform.find_conflicts(), 
 
148
                         [('unversioned parent', tinman_id), 
 
149
                          ('missing parent', tinman_id)])
 
150
        lion_id = transform.create_path('lion', root)
 
151
        self.assertEqual(transform.find_conflicts(), 
 
152
                         [('unversioned parent', tinman_id), 
 
153
                          ('missing parent', tinman_id)])
 
154
        transform.adjust_path('name', lion_id, trans_id2)
 
155
        self.assertEqual(transform.find_conflicts(), 
 
156
                         [('unversioned parent', lion_id),
 
157
                          ('missing parent', lion_id)])
 
158
        transform.version_file("Courage", lion_id)
 
159
        self.assertEqual(transform.find_conflicts(), 
 
160
                         [('missing parent', lion_id), 
 
161
                          ('versioning no contents', lion_id)])
 
162
        transform.adjust_path('name2', root, trans_id2)
 
163
        self.assertEqual(transform.find_conflicts(), 
 
164
                         [('versioning no contents', lion_id)])
 
165
        transform.create_file('Contents, okay?', lion_id)
 
166
        transform.adjust_path('name2', trans_id2, trans_id2)
 
167
        self.assertEqual(transform.find_conflicts(), 
 
168
                         [('parent loop', trans_id2), 
 
169
                          ('non-directory parent', trans_id2)])
 
170
        transform.adjust_path('name2', root, trans_id2)
 
171
        oz_id = transform.new_directory('oz', root)
 
172
        transform.set_executability(True, oz_id)
 
173
        self.assertEqual(transform.find_conflicts(), 
 
174
                         [('unversioned executability', oz_id)])
 
175
        transform.version_file('oz-id', oz_id)
 
176
        self.assertEqual(transform.find_conflicts(), 
 
177
                         [('non-file executability', oz_id)])
 
178
        transform.set_executability(None, oz_id)
 
179
        tip_id = transform.new_file('tip', oz_id, 'ozma', 'tip-id')
 
180
        transform.apply()
 
181
        self.assertEqual(self.wt.path2id('name'), 'my_pretties')
 
182
        self.assertEqual('contents', file(self.wt.abspath('name')).read())
 
183
        transform2, root = self.get_transform()
 
184
        oz_id = transform2.trans_id_tree_file_id('oz-id')
 
185
        newtip = transform2.new_file('tip', oz_id, 'other', 'tip-id')
 
186
        result = transform2.find_conflicts()
 
187
        fp = FinalPaths(transform2)
 
188
        self.assert_('oz/tip' in transform2._tree_path_ids)
 
189
        self.assertEqual(fp.get_path(newtip), pathjoin('oz', 'tip'))
 
190
        self.assertEqual(len(result), 2)
 
191
        self.assertEqual((result[0][0], result[0][1]), 
 
192
                         ('duplicate', newtip))
 
193
        self.assertEqual((result[1][0], result[1][2]), 
 
194
                         ('duplicate id', newtip))
 
195
        transform2.finalize()
 
196
        transform3 = TreeTransform(self.wt)
 
197
        self.addCleanup(transform3.finalize)
 
198
        oz_id = transform3.trans_id_tree_file_id('oz-id')
 
199
        transform3.delete_contents(oz_id)
 
200
        self.assertEqual(transform3.find_conflicts(), 
 
201
                         [('missing parent', oz_id)])
 
202
        root_id = transform3.root
 
203
        tip_id = transform3.trans_id_tree_file_id('tip-id')
 
204
        transform3.adjust_path('tip', root_id, tip_id)
 
205
        transform3.apply()
 
206
 
 
207
    def test_add_del(self):
 
208
        start, root = self.get_transform()
 
209
        start.new_directory('a', root, 'a')
 
210
        start.apply()
 
211
        transform, root = self.get_transform()
 
212
        transform.delete_versioned(transform.trans_id_tree_file_id('a'))
 
213
        transform.new_directory('a', root, 'a')
 
214
        transform.apply()
 
215
 
 
216
    def test_unversioning(self):
 
217
        create_tree, root = self.get_transform()
 
218
        parent_id = create_tree.new_directory('parent', root, 'parent-id')
 
219
        create_tree.new_file('child', parent_id, 'child', 'child-id')
 
220
        create_tree.apply()
 
221
        unversion = TreeTransform(self.wt)
 
222
        self.addCleanup(unversion.finalize)
 
223
        parent = unversion.trans_id_tree_path('parent')
 
224
        unversion.unversion_file(parent)
 
225
        self.assertEqual(unversion.find_conflicts(), 
 
226
                         [('unversioned parent', parent_id)])
 
227
        file_id = unversion.trans_id_tree_file_id('child-id')
 
228
        unversion.unversion_file(file_id)
 
229
        unversion.apply()
 
230
 
 
231
    def test_name_invariants(self):
 
232
        create_tree, root = self.get_transform()
 
233
        # prepare tree
 
234
        root = create_tree.root
 
235
        create_tree.new_file('name1', root, 'hello1', 'name1')
 
236
        create_tree.new_file('name2', root, 'hello2', 'name2')
 
237
        ddir = create_tree.new_directory('dying_directory', root, 'ddir')
 
238
        create_tree.new_file('dying_file', ddir, 'goodbye1', 'dfile')
 
239
        create_tree.new_file('moving_file', ddir, 'later1', 'mfile')
 
240
        create_tree.new_file('moving_file2', root, 'later2', 'mfile2')
 
241
        create_tree.apply()
 
242
 
 
243
        mangle_tree,root = self.get_transform()
 
244
        root = mangle_tree.root
 
245
        #swap names
 
246
        name1 = mangle_tree.trans_id_tree_file_id('name1')
 
247
        name2 = mangle_tree.trans_id_tree_file_id('name2')
 
248
        mangle_tree.adjust_path('name2', root, name1)
 
249
        mangle_tree.adjust_path('name1', root, name2)
 
250
 
 
251
        #tests for deleting parent directories 
 
252
        ddir = mangle_tree.trans_id_tree_file_id('ddir')
 
253
        mangle_tree.delete_contents(ddir)
 
254
        dfile = mangle_tree.trans_id_tree_file_id('dfile')
 
255
        mangle_tree.delete_versioned(dfile)
 
256
        mangle_tree.unversion_file(dfile)
 
257
        mfile = mangle_tree.trans_id_tree_file_id('mfile')
 
258
        mangle_tree.adjust_path('mfile', root, mfile)
 
259
 
 
260
        #tests for adding parent directories
 
261
        newdir = mangle_tree.new_directory('new_directory', root, 'newdir')
 
262
        mfile2 = mangle_tree.trans_id_tree_file_id('mfile2')
 
263
        mangle_tree.adjust_path('mfile2', newdir, mfile2)
 
264
        mangle_tree.new_file('newfile', newdir, 'hello3', 'dfile')
 
265
        self.assertEqual(mangle_tree.final_file_id(mfile2), 'mfile2')
 
266
        self.assertEqual(mangle_tree.final_parent(mfile2), newdir)
 
267
        self.assertEqual(mangle_tree.final_file_id(mfile2), 'mfile2')
 
268
        mangle_tree.apply()
 
269
        self.assertEqual(file(self.wt.abspath('name1')).read(), 'hello2')
 
270
        self.assertEqual(file(self.wt.abspath('name2')).read(), 'hello1')
 
271
        mfile2_path = self.wt.abspath(pathjoin('new_directory','mfile2'))
 
272
        self.assertEqual(mangle_tree.final_parent(mfile2), newdir)
 
273
        self.assertEqual(file(mfile2_path).read(), 'later2')
 
274
        self.assertEqual(self.wt.id2path('mfile2'), 'new_directory/mfile2')
 
275
        self.assertEqual(self.wt.path2id('new_directory/mfile2'), 'mfile2')
 
276
        newfile_path = self.wt.abspath(pathjoin('new_directory','newfile'))
 
277
        self.assertEqual(file(newfile_path).read(), 'hello3')
 
278
        self.assertEqual(self.wt.path2id('dying_directory'), 'ddir')
 
279
        self.assertIs(self.wt.path2id('dying_directory/dying_file'), None)
 
280
        mfile2_path = self.wt.abspath(pathjoin('new_directory','mfile2'))
 
281
 
 
282
    def test_both_rename(self):
 
283
        create_tree,root = self.get_transform()
 
284
        newdir = create_tree.new_directory('selftest', root, 'selftest-id')
 
285
        create_tree.new_file('blackbox.py', newdir, 'hello1', 'blackbox-id')
 
286
        create_tree.apply()        
 
287
        mangle_tree,root = self.get_transform()
 
288
        selftest = mangle_tree.trans_id_tree_file_id('selftest-id')
 
289
        blackbox = mangle_tree.trans_id_tree_file_id('blackbox-id')
 
290
        mangle_tree.adjust_path('test', root, selftest)
 
291
        mangle_tree.adjust_path('test_too_much', root, selftest)
 
292
        mangle_tree.set_executability(True, blackbox)
 
293
        mangle_tree.apply()
 
294
 
 
295
    def test_both_rename2(self):
 
296
        create_tree,root = self.get_transform()
 
297
        bzrlib = create_tree.new_directory('bzrlib', root, 'bzrlib-id')
 
298
        tests = create_tree.new_directory('tests', bzrlib, 'tests-id')
 
299
        blackbox = create_tree.new_directory('blackbox', tests, 'blackbox-id')
 
300
        create_tree.new_file('test_too_much.py', blackbox, 'hello1', 
 
301
                             'test_too_much-id')
 
302
        create_tree.apply()        
 
303
        mangle_tree,root = self.get_transform()
 
304
        bzrlib = mangle_tree.trans_id_tree_file_id('bzrlib-id')
 
305
        tests = mangle_tree.trans_id_tree_file_id('tests-id')
 
306
        test_too_much = mangle_tree.trans_id_tree_file_id('test_too_much-id')
 
307
        mangle_tree.adjust_path('selftest', bzrlib, tests)
 
308
        mangle_tree.adjust_path('blackbox.py', tests, test_too_much) 
 
309
        mangle_tree.set_executability(True, test_too_much)
 
310
        mangle_tree.apply()
 
311
 
 
312
    def test_both_rename3(self):
 
313
        create_tree,root = self.get_transform()
 
314
        tests = create_tree.new_directory('tests', root, 'tests-id')
 
315
        create_tree.new_file('test_too_much.py', tests, 'hello1', 
 
316
                             'test_too_much-id')
 
317
        create_tree.apply()        
 
318
        mangle_tree,root = self.get_transform()
 
319
        tests = mangle_tree.trans_id_tree_file_id('tests-id')
 
320
        test_too_much = mangle_tree.trans_id_tree_file_id('test_too_much-id')
 
321
        mangle_tree.adjust_path('selftest', root, tests)
 
322
        mangle_tree.adjust_path('blackbox.py', tests, test_too_much) 
 
323
        mangle_tree.set_executability(True, test_too_much)
 
324
        mangle_tree.apply()
 
325
 
 
326
    def test_move_dangling_ie(self):
 
327
        create_tree, root = self.get_transform()
 
328
        # prepare tree
 
329
        root = create_tree.root
 
330
        create_tree.new_file('name1', root, 'hello1', 'name1')
 
331
        create_tree.apply()
 
332
        delete_contents, root = self.get_transform()
 
333
        file = delete_contents.trans_id_tree_file_id('name1')
 
334
        delete_contents.delete_contents(file)
 
335
        delete_contents.apply()
 
336
        move_id, root = self.get_transform()
 
337
        name1 = move_id.trans_id_tree_file_id('name1')
 
338
        newdir = move_id.new_directory('dir', root, 'newdir')
 
339
        move_id.adjust_path('name2', newdir, name1)
 
340
        move_id.apply()
 
341
        
 
342
    def test_replace_dangling_ie(self):
 
343
        create_tree, root = self.get_transform()
 
344
        # prepare tree
 
345
        root = create_tree.root
 
346
        create_tree.new_file('name1', root, 'hello1', 'name1')
 
347
        create_tree.apply()
 
348
        delete_contents = TreeTransform(self.wt)
 
349
        self.addCleanup(delete_contents.finalize)
 
350
        file = delete_contents.trans_id_tree_file_id('name1')
 
351
        delete_contents.delete_contents(file)
 
352
        delete_contents.apply()
 
353
        delete_contents.finalize()
 
354
        replace = TreeTransform(self.wt)
 
355
        self.addCleanup(replace.finalize)
 
356
        name2 = replace.new_file('name2', root, 'hello2', 'name1')
 
357
        conflicts = replace.find_conflicts()
 
358
        name1 = replace.trans_id_tree_file_id('name1')
 
359
        self.assertEqual(conflicts, [('duplicate id', name1, name2)])
 
360
        resolve_conflicts(replace)
 
361
        replace.apply()
 
362
 
 
363
    def test_symlinks(self):
 
364
        if not has_symlinks():
 
365
            raise TestSkipped('Symlinks are not supported on this platform')
 
366
        transform,root = self.get_transform()
 
367
        oz_id = transform.new_directory('oz', root, 'oz-id')
 
368
        wizard = transform.new_symlink('wizard', oz_id, 'wizard-target', 
 
369
                                       'wizard-id')
 
370
        wiz_id = transform.create_path('wizard2', oz_id)
 
371
        transform.create_symlink('behind_curtain', wiz_id)
 
372
        transform.version_file('wiz-id2', wiz_id)            
 
373
        transform.set_executability(True, wiz_id)
 
374
        self.assertEqual(transform.find_conflicts(), 
 
375
                         [('non-file executability', wiz_id)])
 
376
        transform.set_executability(None, wiz_id)
 
377
        transform.apply()
 
378
        self.assertEqual(self.wt.path2id('oz/wizard'), 'wizard-id')
 
379
        self.assertEqual(file_kind(self.wt.abspath('oz/wizard')), 'symlink')
 
380
        self.assertEqual(os.readlink(self.wt.abspath('oz/wizard2')), 
 
381
                         'behind_curtain')
 
382
        self.assertEqual(os.readlink(self.wt.abspath('oz/wizard')),
 
383
                         'wizard-target')
 
384
 
 
385
 
 
386
    def get_conflicted(self):
 
387
        create,root = self.get_transform()
 
388
        create.new_file('dorothy', root, 'dorothy', 'dorothy-id')
 
389
        oz = create.new_directory('oz', root, 'oz-id')
 
390
        create.new_directory('emeraldcity', oz, 'emerald-id')
 
391
        create.apply()
 
392
        conflicts,root = self.get_transform()
 
393
        # set up duplicate entry, duplicate id
 
394
        new_dorothy = conflicts.new_file('dorothy', root, 'dorothy', 
 
395
                                         'dorothy-id')
 
396
        old_dorothy = conflicts.trans_id_tree_file_id('dorothy-id')
 
397
        oz = conflicts.trans_id_tree_file_id('oz-id')
 
398
        # set up DeletedParent parent conflict
 
399
        conflicts.delete_versioned(oz)
 
400
        emerald = conflicts.trans_id_tree_file_id('emerald-id')
 
401
        # set up MissingParent conflict
 
402
        munchkincity = conflicts.trans_id_file_id('munchkincity-id')
 
403
        conflicts.adjust_path('munchkincity', root, munchkincity)
 
404
        conflicts.new_directory('auntem', munchkincity, 'auntem-id')
 
405
        # set up parent loop
 
406
        conflicts.adjust_path('emeraldcity', emerald, emerald)
 
407
        return conflicts, emerald, oz, old_dorothy, new_dorothy
 
408
 
 
409
    def test_conflict_resolution(self):
 
410
        conflicts, emerald, oz, old_dorothy, new_dorothy =\
 
411
            self.get_conflicted()
 
412
        resolve_conflicts(conflicts)
 
413
        self.assertEqual(conflicts.final_name(old_dorothy), 'dorothy.moved')
 
414
        self.assertIs(conflicts.final_file_id(old_dorothy), None)
 
415
        self.assertEqual(conflicts.final_name(new_dorothy), 'dorothy')
 
416
        self.assertEqual(conflicts.final_file_id(new_dorothy), 'dorothy-id')
 
417
        self.assertEqual(conflicts.final_parent(emerald), oz)
 
418
        conflicts.apply()
 
419
 
 
420
    def test_cook_conflicts(self):
 
421
        tt, emerald, oz, old_dorothy, new_dorothy = self.get_conflicted()
 
422
        raw_conflicts = resolve_conflicts(tt)
 
423
        cooked_conflicts = cook_conflicts(raw_conflicts, tt)
 
424
        duplicate = DuplicateEntry('Moved existing file to', 'dorothy.moved', 
 
425
                                   'dorothy', None, 'dorothy-id')
 
426
        self.assertEqual(cooked_conflicts[0], duplicate)
 
427
        duplicate_id = DuplicateID('Unversioned existing file', 
 
428
                                   'dorothy.moved', 'dorothy', None,
 
429
                                   'dorothy-id')
 
430
        self.assertEqual(cooked_conflicts[1], duplicate_id)
 
431
        missing_parent = MissingParent('Created directory', 'munchkincity',
 
432
                                       'munchkincity-id')
 
433
        deleted_parent = DeletingParent('Not deleting', 'oz', 'oz-id')
 
434
        self.assertEqual(cooked_conflicts[2], missing_parent)
 
435
        unversioned_parent = UnversionedParent('Versioned directory',
 
436
                                               'munchkincity',
 
437
                                               'munchkincity-id')
 
438
        unversioned_parent2 = UnversionedParent('Versioned directory', 'oz',
 
439
                                               'oz-id')
 
440
        self.assertEqual(cooked_conflicts[3], unversioned_parent)
 
441
        parent_loop = ParentLoop('Cancelled move', 'oz/emeraldcity', 
 
442
                                 'oz/emeraldcity', 'emerald-id', 'emerald-id')
 
443
        self.assertEqual(cooked_conflicts[4], deleted_parent)
 
444
        self.assertEqual(cooked_conflicts[5], unversioned_parent2)
 
445
        self.assertEqual(cooked_conflicts[6], parent_loop)
 
446
        self.assertEqual(len(cooked_conflicts), 7)
 
447
        tt.finalize()
 
448
 
 
449
    def test_string_conflicts(self):
 
450
        tt, emerald, oz, old_dorothy, new_dorothy = self.get_conflicted()
 
451
        raw_conflicts = resolve_conflicts(tt)
 
452
        cooked_conflicts = cook_conflicts(raw_conflicts, tt)
 
453
        tt.finalize()
 
454
        conflicts_s = [str(c) for c in cooked_conflicts]
 
455
        self.assertEqual(len(cooked_conflicts), len(conflicts_s))
 
456
        self.assertEqual(conflicts_s[0], 'Conflict adding file dorothy.  '
 
457
                                         'Moved existing file to '
 
458
                                         'dorothy.moved.')
 
459
        self.assertEqual(conflicts_s[1], 'Conflict adding id to dorothy.  '
 
460
                                         'Unversioned existing file '
 
461
                                         'dorothy.moved.')
 
462
        self.assertEqual(conflicts_s[2], 'Conflict adding files to'
 
463
                                         ' munchkincity.  Created directory.')
 
464
        self.assertEqual(conflicts_s[3], 'Conflict because munchkincity is not'
 
465
                                         ' versioned, but has versioned'
 
466
                                         ' children.  Versioned directory.')
 
467
        self.assertEqualDiff(conflicts_s[4], "Conflict: can't delete oz because it"
 
468
                                         " is not empty.  Not deleting.")
 
469
        self.assertEqual(conflicts_s[5], 'Conflict because oz is not'
 
470
                                         ' versioned, but has versioned'
 
471
                                         ' children.  Versioned directory.')
 
472
        self.assertEqual(conflicts_s[6], 'Conflict moving oz/emeraldcity into'
 
473
                                         ' oz/emeraldcity.  Cancelled move.')
 
474
 
 
475
    def test_moving_versioned_directories(self):
 
476
        create, root = self.get_transform()
 
477
        kansas = create.new_directory('kansas', root, 'kansas-id')
 
478
        create.new_directory('house', kansas, 'house-id')
 
479
        create.new_directory('oz', root, 'oz-id')
 
480
        create.apply()
 
481
        cyclone, root = self.get_transform()
 
482
        oz = cyclone.trans_id_tree_file_id('oz-id')
 
483
        house = cyclone.trans_id_tree_file_id('house-id')
 
484
        cyclone.adjust_path('house', oz, house)
 
485
        cyclone.apply()
 
486
 
 
487
    def test_moving_root(self):
 
488
        create, root = self.get_transform()
 
489
        fun = create.new_directory('fun', root, 'fun-id')
 
490
        create.new_directory('sun', root, 'sun-id')
 
491
        create.new_directory('moon', root, 'moon')
 
492
        create.apply()
 
493
        transform, root = self.get_transform()
 
494
        transform.adjust_root_path('oldroot', fun)
 
495
        new_root=transform.trans_id_tree_path('')
 
496
        transform.version_file('new-root', new_root)
 
497
        transform.apply()
 
498
 
 
499
    def test_renames(self):
 
500
        create, root = self.get_transform()
 
501
        old = create.new_directory('old-parent', root, 'old-id')
 
502
        intermediate = create.new_directory('intermediate', old, 'im-id')
 
503
        myfile = create.new_file('myfile', intermediate, 'myfile-text',
 
504
                                 'myfile-id')
 
505
        create.apply()
 
506
        rename, root = self.get_transform()
 
507
        old = rename.trans_id_file_id('old-id')
 
508
        rename.adjust_path('new', root, old)
 
509
        myfile = rename.trans_id_file_id('myfile-id')
 
510
        rename.set_executability(True, myfile)
 
511
        rename.apply()
 
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
 
 
524
    def test_set_executability_order(self):
 
525
        """Ensure that executability behaves the same, no matter what order.
 
526
        
 
527
        - create file and set executability simultaneously
 
528
        - create file and set executability afterward
 
529
        - unsetting the executability of a file whose executability has not been
 
530
        declared should throw an exception (this may happen when a
 
531
        merge attempts to create a file with a duplicate ID)
 
532
        """
 
533
        transform, root = self.get_transform()
 
534
        wt = transform._tree
 
535
        transform.new_file('set_on_creation', root, 'Set on creation', 'soc',
 
536
                           True)
 
537
        sac = transform.new_file('set_after_creation', root, 'Set after creation', 'sac')
 
538
        transform.set_executability(True, sac)
 
539
        uws = transform.new_file('unset_without_set', root, 'Unset badly', 'uws')
 
540
        self.assertRaises(KeyError, transform.set_executability, None, uws)
 
541
        transform.apply()
 
542
        self.assertTrue(wt.is_executable('soc'))
 
543
        self.assertTrue(wt.is_executable('sac'))
 
544
 
 
545
    def test_preserve_mode(self):
 
546
        """File mode is preserved when replacing content"""
 
547
        if sys.platform == 'win32':
 
548
            raise TestSkipped('chmod has no effect on win32')
 
549
        transform, root = self.get_transform()
 
550
        transform.new_file('file1', root, 'contents', 'file1-id', True)
 
551
        transform.apply()
 
552
        self.assertTrue(self.wt.is_executable('file1-id'))
 
553
        transform, root = self.get_transform()
 
554
        file1_id = transform.trans_id_tree_file_id('file1-id')
 
555
        transform.delete_contents(file1_id)
 
556
        transform.create_file('contents2', file1_id)
 
557
        transform.apply()
 
558
        self.assertTrue(self.wt.is_executable('file1-id'))
 
559
 
 
560
    def test__set_mode_stats_correctly(self):
 
561
        """_set_mode stats to determine file mode."""
 
562
        if sys.platform == 'win32':
 
563
            raise TestSkipped('chmod has no effect on win32')
 
564
 
 
565
        stat_paths = []
 
566
        real_stat = os.stat
 
567
        def instrumented_stat(path):
 
568
            stat_paths.append(path)
 
569
            return real_stat(path)
 
570
 
 
571
        transform, root = self.get_transform()
 
572
 
 
573
        bar1_id = transform.new_file('bar', root, 'bar contents 1\n',
 
574
                                     file_id='bar-id-1', executable=False)
 
575
        transform.apply()
 
576
 
 
577
        transform, root = self.get_transform()
 
578
        bar1_id = transform.trans_id_tree_path('bar')
 
579
        bar2_id = transform.trans_id_tree_path('bar2')
 
580
        try:
 
581
            os.stat = instrumented_stat
 
582
            transform.create_file('bar2 contents\n', bar2_id, mode_id=bar1_id)
 
583
        finally:
 
584
            os.stat = real_stat
 
585
            transform.finalize()
 
586
 
 
587
        bar1_abspath = self.wt.abspath('bar')
 
588
        self.assertEqual([bar1_abspath], stat_paths)
 
589
 
 
590
 
 
591
class TransformGroup(object):
 
592
    def __init__(self, dirname, root_id):
 
593
        self.name = dirname
 
594
        os.mkdir(dirname)
 
595
        self.wt = BzrDir.create_standalone_workingtree(dirname)
 
596
        self.wt.set_root_id(root_id)
 
597
        self.b = self.wt.branch
 
598
        self.tt = TreeTransform(self.wt)
 
599
        self.root = self.tt.trans_id_tree_file_id(self.wt.get_root_id())
 
600
 
 
601
def conflict_text(tree, merge):
 
602
    template = '%s TREE\n%s%s\n%s%s MERGE-SOURCE\n'
 
603
    return template % ('<' * 7, tree, '=' * 7, merge, '>' * 7)
 
604
 
 
605
 
 
606
class TestTransformMerge(TestCaseInTempDir):
 
607
    def test_text_merge(self):
 
608
        root_id = generate_ids.gen_root_id()
 
609
        base = TransformGroup("base", root_id)
 
610
        base.tt.new_file('a', base.root, 'a\nb\nc\nd\be\n', 'a')
 
611
        base.tt.new_file('b', base.root, 'b1', 'b')
 
612
        base.tt.new_file('c', base.root, 'c', 'c')
 
613
        base.tt.new_file('d', base.root, 'd', 'd')
 
614
        base.tt.new_file('e', base.root, 'e', 'e')
 
615
        base.tt.new_file('f', base.root, 'f', 'f')
 
616
        base.tt.new_directory('g', base.root, 'g')
 
617
        base.tt.new_directory('h', base.root, 'h')
 
618
        base.tt.apply()
 
619
        other = TransformGroup("other", root_id)
 
620
        other.tt.new_file('a', other.root, 'y\nb\nc\nd\be\n', 'a')
 
621
        other.tt.new_file('b', other.root, 'b2', 'b')
 
622
        other.tt.new_file('c', other.root, 'c2', 'c')
 
623
        other.tt.new_file('d', other.root, 'd', 'd')
 
624
        other.tt.new_file('e', other.root, 'e2', 'e')
 
625
        other.tt.new_file('f', other.root, 'f', 'f')
 
626
        other.tt.new_file('g', other.root, 'g', 'g')
 
627
        other.tt.new_file('h', other.root, 'h\ni\nj\nk\n', 'h')
 
628
        other.tt.new_file('i', other.root, 'h\ni\nj\nk\n', 'i')
 
629
        other.tt.apply()
 
630
        this = TransformGroup("this", root_id)
 
631
        this.tt.new_file('a', this.root, 'a\nb\nc\nd\bz\n', 'a')
 
632
        this.tt.new_file('b', this.root, 'b', 'b')
 
633
        this.tt.new_file('c', this.root, 'c', 'c')
 
634
        this.tt.new_file('d', this.root, 'd2', 'd')
 
635
        this.tt.new_file('e', this.root, 'e2', 'e')
 
636
        this.tt.new_file('f', this.root, 'f', 'f')
 
637
        this.tt.new_file('g', this.root, 'g', 'g')
 
638
        this.tt.new_file('h', this.root, '1\n2\n3\n4\n', 'h')
 
639
        this.tt.new_file('i', this.root, '1\n2\n3\n4\n', 'i')
 
640
        this.tt.apply()
 
641
        Merge3Merger(this.wt, this.wt, base.wt, other.wt)
 
642
        # textual merge
 
643
        self.assertEqual(this.wt.get_file('a').read(), 'y\nb\nc\nd\bz\n')
 
644
        # three-way text conflict
 
645
        self.assertEqual(this.wt.get_file('b').read(), 
 
646
                         conflict_text('b', 'b2'))
 
647
        # OTHER wins
 
648
        self.assertEqual(this.wt.get_file('c').read(), 'c2')
 
649
        # THIS wins
 
650
        self.assertEqual(this.wt.get_file('d').read(), 'd2')
 
651
        # Ambigious clean merge
 
652
        self.assertEqual(this.wt.get_file('e').read(), 'e2')
 
653
        # No change
 
654
        self.assertEqual(this.wt.get_file('f').read(), 'f')
 
655
        # Correct correct results when THIS == OTHER 
 
656
        self.assertEqual(this.wt.get_file('g').read(), 'g')
 
657
        # Text conflict when THIS & OTHER are text and BASE is dir
 
658
        self.assertEqual(this.wt.get_file('h').read(), 
 
659
                         conflict_text('1\n2\n3\n4\n', 'h\ni\nj\nk\n'))
 
660
        self.assertEqual(this.wt.get_file_byname('h.THIS').read(),
 
661
                         '1\n2\n3\n4\n')
 
662
        self.assertEqual(this.wt.get_file_byname('h.OTHER').read(),
 
663
                         'h\ni\nj\nk\n')
 
664
        self.assertEqual(file_kind(this.wt.abspath('h.BASE')), 'directory')
 
665
        self.assertEqual(this.wt.get_file('i').read(), 
 
666
                         conflict_text('1\n2\n3\n4\n', 'h\ni\nj\nk\n'))
 
667
        self.assertEqual(this.wt.get_file_byname('i.THIS').read(),
 
668
                         '1\n2\n3\n4\n')
 
669
        self.assertEqual(this.wt.get_file_byname('i.OTHER').read(),
 
670
                         'h\ni\nj\nk\n')
 
671
        self.assertEqual(os.path.exists(this.wt.abspath('i.BASE')), False)
 
672
        modified = ['a', 'b', 'c', 'h', 'i']
 
673
        merge_modified = this.wt.merge_modified()
 
674
        self.assertSubset(merge_modified, modified)
 
675
        self.assertEqual(len(merge_modified), len(modified))
 
676
        file(this.wt.id2abspath('a'), 'wb').write('booga')
 
677
        modified.pop(0)
 
678
        merge_modified = this.wt.merge_modified()
 
679
        self.assertSubset(merge_modified, modified)
 
680
        self.assertEqual(len(merge_modified), len(modified))
 
681
        this.wt.remove('b')
 
682
        this.wt.revert([])
 
683
 
 
684
    def test_file_merge(self):
 
685
        if not has_symlinks():
 
686
            raise TestSkipped('Symlinks are not supported on this platform')
 
687
        root_id = generate_ids.gen_root_id()
 
688
        base = TransformGroup("BASE", root_id)
 
689
        this = TransformGroup("THIS", root_id)
 
690
        other = TransformGroup("OTHER", root_id)
 
691
        for tg in this, base, other:
 
692
            tg.tt.new_directory('a', tg.root, 'a')
 
693
            tg.tt.new_symlink('b', tg.root, 'b', 'b')
 
694
            tg.tt.new_file('c', tg.root, 'c', 'c')
 
695
            tg.tt.new_symlink('d', tg.root, tg.name, 'd')
 
696
        targets = ((base, 'base-e', 'base-f', None, None), 
 
697
                   (this, 'other-e', 'this-f', 'other-g', 'this-h'), 
 
698
                   (other, 'other-e', None, 'other-g', 'other-h'))
 
699
        for tg, e_target, f_target, g_target, h_target in targets:
 
700
            for link, target in (('e', e_target), ('f', f_target), 
 
701
                                 ('g', g_target), ('h', h_target)):
 
702
                if target is not None:
 
703
                    tg.tt.new_symlink(link, tg.root, target, link)
 
704
 
 
705
        for tg in this, base, other:
 
706
            tg.tt.apply()
 
707
        Merge3Merger(this.wt, this.wt, base.wt, other.wt)
 
708
        self.assertIs(os.path.isdir(this.wt.abspath('a')), True)
 
709
        self.assertIs(os.path.islink(this.wt.abspath('b')), True)
 
710
        self.assertIs(os.path.isfile(this.wt.abspath('c')), True)
 
711
        for suffix in ('THIS', 'BASE', 'OTHER'):
 
712
            self.assertEqual(os.readlink(this.wt.abspath('d.'+suffix)), suffix)
 
713
        self.assertIs(os.path.lexists(this.wt.abspath('d')), False)
 
714
        self.assertEqual(this.wt.id2path('d'), 'd.OTHER')
 
715
        self.assertEqual(this.wt.id2path('f'), 'f.THIS')
 
716
        self.assertEqual(os.readlink(this.wt.abspath('e')), 'other-e')
 
717
        self.assertIs(os.path.lexists(this.wt.abspath('e.THIS')), False)
 
718
        self.assertIs(os.path.lexists(this.wt.abspath('e.OTHER')), False)
 
719
        self.assertIs(os.path.lexists(this.wt.abspath('e.BASE')), False)
 
720
        self.assertIs(os.path.lexists(this.wt.abspath('g')), True)
 
721
        self.assertIs(os.path.lexists(this.wt.abspath('g.BASE')), False)
 
722
        self.assertIs(os.path.lexists(this.wt.abspath('h')), False)
 
723
        self.assertIs(os.path.lexists(this.wt.abspath('h.BASE')), False)
 
724
        self.assertIs(os.path.lexists(this.wt.abspath('h.THIS')), True)
 
725
        self.assertIs(os.path.lexists(this.wt.abspath('h.OTHER')), True)
 
726
 
 
727
    def test_filename_merge(self):
 
728
        root_id = generate_ids.gen_root_id()
 
729
        base = TransformGroup("BASE", root_id)
 
730
        this = TransformGroup("THIS", root_id)
 
731
        other = TransformGroup("OTHER", root_id)
 
732
        base_a, this_a, other_a = [t.tt.new_directory('a', t.root, 'a') 
 
733
                                   for t in [base, this, other]]
 
734
        base_b, this_b, other_b = [t.tt.new_directory('b', t.root, 'b') 
 
735
                                   for t in [base, this, other]]
 
736
        base.tt.new_directory('c', base_a, 'c')
 
737
        this.tt.new_directory('c1', this_a, 'c')
 
738
        other.tt.new_directory('c', other_b, 'c')
 
739
 
 
740
        base.tt.new_directory('d', base_a, 'd')
 
741
        this.tt.new_directory('d1', this_b, 'd')
 
742
        other.tt.new_directory('d', other_a, 'd')
 
743
 
 
744
        base.tt.new_directory('e', base_a, 'e')
 
745
        this.tt.new_directory('e', this_a, 'e')
 
746
        other.tt.new_directory('e1', other_b, 'e')
 
747
 
 
748
        base.tt.new_directory('f', base_a, 'f')
 
749
        this.tt.new_directory('f1', this_b, 'f')
 
750
        other.tt.new_directory('f1', other_b, 'f')
 
751
 
 
752
        for tg in [this, base, other]:
 
753
            tg.tt.apply()
 
754
        Merge3Merger(this.wt, this.wt, base.wt, other.wt)
 
755
        self.assertEqual(this.wt.id2path('c'), pathjoin('b/c1'))
 
756
        self.assertEqual(this.wt.id2path('d'), pathjoin('b/d1'))
 
757
        self.assertEqual(this.wt.id2path('e'), pathjoin('b/e1'))
 
758
        self.assertEqual(this.wt.id2path('f'), pathjoin('b/f1'))
 
759
 
 
760
    def test_filename_merge_conflicts(self):
 
761
        root_id = generate_ids.gen_root_id()
 
762
        base = TransformGroup("BASE", root_id)
 
763
        this = TransformGroup("THIS", root_id)
 
764
        other = TransformGroup("OTHER", root_id)
 
765
        base_a, this_a, other_a = [t.tt.new_directory('a', t.root, 'a') 
 
766
                                   for t in [base, this, other]]
 
767
        base_b, this_b, other_b = [t.tt.new_directory('b', t.root, 'b') 
 
768
                                   for t in [base, this, other]]
 
769
 
 
770
        base.tt.new_file('g', base_a, 'g', 'g')
 
771
        other.tt.new_file('g1', other_b, 'g1', 'g')
 
772
 
 
773
        base.tt.new_file('h', base_a, 'h', 'h')
 
774
        this.tt.new_file('h1', this_b, 'h1', 'h')
 
775
 
 
776
        base.tt.new_file('i', base.root, 'i', 'i')
 
777
        other.tt.new_directory('i1', this_b, 'i')
 
778
 
 
779
        for tg in [this, base, other]:
 
780
            tg.tt.apply()
 
781
        Merge3Merger(this.wt, this.wt, base.wt, other.wt)
 
782
 
 
783
        self.assertEqual(this.wt.id2path('g'), pathjoin('b/g1.OTHER'))
 
784
        self.assertIs(os.path.lexists(this.wt.abspath('b/g1.BASE')), True)
 
785
        self.assertIs(os.path.lexists(this.wt.abspath('b/g1.THIS')), False)
 
786
        self.assertEqual(this.wt.id2path('h'), pathjoin('b/h1.THIS'))
 
787
        self.assertIs(os.path.lexists(this.wt.abspath('b/h1.BASE')), True)
 
788
        self.assertIs(os.path.lexists(this.wt.abspath('b/h1.OTHER')), False)
 
789
        self.assertEqual(this.wt.id2path('i'), pathjoin('b/i1.OTHER'))
 
790
 
 
791
 
 
792
class TestBuildTree(tests.TestCaseWithTransport):
 
793
 
 
794
    def test_build_tree(self):
 
795
        if not has_symlinks():
 
796
            raise TestSkipped('Test requires symlink support')
 
797
        os.mkdir('a')
 
798
        a = BzrDir.create_standalone_workingtree('a')
 
799
        os.mkdir('a/foo')
 
800
        file('a/foo/bar', 'wb').write('contents')
 
801
        os.symlink('a/foo/bar', 'a/foo/baz')
 
802
        a.add(['foo', 'foo/bar', 'foo/baz'])
 
803
        a.commit('initial commit')
 
804
        b = BzrDir.create_standalone_workingtree('b')
 
805
        build_tree(a.basis_tree(), b)
 
806
        self.assertIs(os.path.isdir('b/foo'), True)
 
807
        self.assertEqual(file('b/foo/bar', 'rb').read(), "contents")
 
808
        self.assertEqual(os.readlink('b/foo/baz'), 'a/foo/bar')
 
809
 
 
810
    def test_file_conflict_handling(self):
 
811
        """Ensure that when building trees, conflict handling is done"""
 
812
        source = self.make_branch_and_tree('source')
 
813
        target = self.make_branch_and_tree('target')
 
814
        self.build_tree(['source/file', 'target/file'])
 
815
        source.add('file', 'new-file')
 
816
        source.commit('added file')
 
817
        build_tree(source.basis_tree(), target)
 
818
        self.assertEqual([DuplicateEntry('Moved existing file to',
 
819
                          'file.moved', 'file', None, 'new-file')],
 
820
                         target.conflicts())
 
821
        target2 = self.make_branch_and_tree('target2')
 
822
        target_file = file('target2/file', 'wb')
 
823
        try:
 
824
            source_file = file('source/file', 'rb')
 
825
            try:
 
826
                target_file.write(source_file.read())
 
827
            finally:
 
828
                source_file.close()
 
829
        finally:
 
830
            target_file.close()
 
831
        build_tree(source.basis_tree(), target2)
 
832
        self.assertEqual([], target2.conflicts())
 
833
 
 
834
    def test_symlink_conflict_handling(self):
 
835
        """Ensure that when building trees, conflict handling is done"""
 
836
        if not has_symlinks():
 
837
            raise TestSkipped('Test requires symlink support')
 
838
        source = self.make_branch_and_tree('source')
 
839
        os.symlink('foo', 'source/symlink')
 
840
        source.add('symlink', 'new-symlink')
 
841
        source.commit('added file')
 
842
        target = self.make_branch_and_tree('target')
 
843
        os.symlink('bar', 'target/symlink')
 
844
        build_tree(source.basis_tree(), target)
 
845
        self.assertEqual([DuplicateEntry('Moved existing file to',
 
846
            'symlink.moved', 'symlink', None, 'new-symlink')],
 
847
            target.conflicts())
 
848
        target = self.make_branch_and_tree('target2')
 
849
        os.symlink('foo', 'target2/symlink')
 
850
        build_tree(source.basis_tree(), target)
 
851
        self.assertEqual([], target.conflicts())
 
852
        
 
853
    def test_directory_conflict_handling(self):
 
854
        """Ensure that when building trees, conflict handling is done"""
 
855
        source = self.make_branch_and_tree('source')
 
856
        target = self.make_branch_and_tree('target')
 
857
        self.build_tree(['source/dir1/', 'source/dir1/file', 'target/dir1/'])
 
858
        source.add(['dir1', 'dir1/file'], ['new-dir1', 'new-file'])
 
859
        source.commit('added file')
 
860
        build_tree(source.basis_tree(), target)
 
861
        self.assertEqual([], target.conflicts())
 
862
        self.failUnlessExists('target/dir1/file')
 
863
 
 
864
        # Ensure contents are merged
 
865
        target = self.make_branch_and_tree('target2')
 
866
        self.build_tree(['target2/dir1/', 'target2/dir1/file2'])
 
867
        build_tree(source.basis_tree(), target)
 
868
        self.assertEqual([], target.conflicts())
 
869
        self.failUnlessExists('target2/dir1/file2')
 
870
        self.failUnlessExists('target2/dir1/file')
 
871
 
 
872
        # Ensure new contents are suppressed for existing branches
 
873
        target = self.make_branch_and_tree('target3')
 
874
        self.make_branch('target3/dir1')
 
875
        self.build_tree(['target3/dir1/file2'])
 
876
        build_tree(source.basis_tree(), target)
 
877
        self.failIfExists('target3/dir1/file')
 
878
        self.failUnlessExists('target3/dir1/file2')
 
879
        self.failUnlessExists('target3/dir1.diverted/file')
 
880
        self.assertEqual([DuplicateEntry('Diverted to',
 
881
            'dir1.diverted', 'dir1', 'new-dir1', None)],
 
882
            target.conflicts())
 
883
 
 
884
        target = self.make_branch_and_tree('target4')
 
885
        self.build_tree(['target4/dir1/'])
 
886
        self.make_branch('target4/dir1/file')
 
887
        build_tree(source.basis_tree(), target)
 
888
        self.failUnlessExists('target4/dir1/file')
 
889
        self.assertEqual('directory', file_kind('target4/dir1/file'))
 
890
        self.failUnlessExists('target4/dir1/file.diverted')
 
891
        self.assertEqual([DuplicateEntry('Diverted to',
 
892
            'dir1/file.diverted', 'dir1/file', 'new-file', None)],
 
893
            target.conflicts())
 
894
 
 
895
    def test_mixed_conflict_handling(self):
 
896
        """Ensure that when building trees, conflict handling is done"""
 
897
        source = self.make_branch_and_tree('source')
 
898
        target = self.make_branch_and_tree('target')
 
899
        self.build_tree(['source/name', 'target/name/'])
 
900
        source.add('name', 'new-name')
 
901
        source.commit('added file')
 
902
        build_tree(source.basis_tree(), target)
 
903
        self.assertEqual([DuplicateEntry('Moved existing file to',
 
904
            'name.moved', 'name', None, 'new-name')], target.conflicts())
 
905
 
 
906
    def test_raises_in_populated(self):
 
907
        source = self.make_branch_and_tree('source')
 
908
        self.build_tree(['source/name'])
 
909
        source.add('name')
 
910
        source.commit('added name')
 
911
        target = self.make_branch_and_tree('target')
 
912
        self.build_tree(['target/name'])
 
913
        target.add('name')
 
914
        self.assertRaises(errors.WorkingTreeAlreadyPopulated, 
 
915
            build_tree, source.basis_tree(), target)
 
916
 
 
917
 
 
918
class MockTransform(object):
 
919
 
 
920
    def has_named_child(self, by_parent, parent_id, name):
 
921
        for child_id in by_parent[parent_id]:
 
922
            if child_id == '0':
 
923
                if name == "name~":
 
924
                    return True
 
925
            elif name == "name.~%s~" % child_id:
 
926
                return True
 
927
        return False
 
928
 
 
929
class MockEntry(object):
 
930
    def __init__(self):
 
931
        object.__init__(self)
 
932
        self.name = "name"
 
933
 
 
934
class TestGetBackupName(TestCase):
 
935
    def test_get_backup_name(self):
 
936
        tt = MockTransform()
 
937
        name = get_backup_name(MockEntry(), {'a':[]}, 'a', tt)
 
938
        self.assertEqual(name, 'name.~1~')
 
939
        name = get_backup_name(MockEntry(), {'a':['1']}, 'a', tt)
 
940
        self.assertEqual(name, 'name.~2~')
 
941
        name = get_backup_name(MockEntry(), {'a':['2']}, 'a', tt)
 
942
        self.assertEqual(name, 'name.~1~')
 
943
        name = get_backup_name(MockEntry(), {'a':['2'], 'b':[]}, 'b', tt)
 
944
        self.assertEqual(name, 'name.~1~')
 
945
        name = get_backup_name(MockEntry(), {'a':['1', '2', '3']}, 'a', tt)
 
946
        self.assertEqual(name, 'name.~4~')