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  • Committer: mbp at sourcefrog
  • Date: 2005-04-06 14:06:32 UTC
  • Revision ID: mbp@sourcefrog.net-20050406140632-b44f572e110216f266a43b71
pychecker fixups

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1
 
# Copyright (C) 2005 by Canonical Ltd
2
 
 
3
 
# This program is free software; you can redistribute it and/or modify
4
 
# it under the terms of the GNU General Public License as published by
5
 
# the Free Software Foundation; either version 2 of the License, or
6
 
# (at your option) any later version.
7
 
 
8
 
# This program is distributed in the hope that it will be useful,
9
 
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
 
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11
 
# GNU General Public License for more details.
12
 
 
13
 
# You should have received a copy of the GNU General Public License
14
 
# along with this program; if not, write to the Free Software
15
 
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
16
 
 
17
 
from cStringIO import StringIO
18
 
import os
19
 
 
20
 
from bzrlib.branch import Branch
21
 
import bzrlib.errors as errors
22
 
from bzrlib.diff import internal_diff
23
 
from bzrlib.inventory import (Inventory, ROOT_ID, InventoryFile,
24
 
    InventoryDirectory, InventoryEntry)
25
 
import bzrlib.inventory as inventory
26
 
from bzrlib.osutils import has_symlinks, rename, pathjoin
27
 
from bzrlib.tests import TestCase, TestCaseWithTransport
28
 
from bzrlib.transform import TreeTransform
29
 
from bzrlib.uncommit import uncommit
30
 
 
31
 
 
32
 
class TestInventory(TestCase):
33
 
 
34
 
    def test_is_within(self):
35
 
        from bzrlib.osutils import is_inside_any
36
 
 
37
 
        SRC_FOO_C = pathjoin('src', 'foo.c')
38
 
        for dirs, fn in [(['src', 'doc'], SRC_FOO_C),
39
 
                         (['src'], SRC_FOO_C),
40
 
                         (['src'], 'src'),
41
 
                         ]:
42
 
            self.assert_(is_inside_any(dirs, fn))
43
 
            
44
 
        for dirs, fn in [(['src'], 'srccontrol'),
45
 
                         (['src'], 'srccontrol/foo')]:
46
 
            self.assertFalse(is_inside_any(dirs, fn))
47
 
            
48
 
    def test_ids(self):
49
 
        """Test detection of files within selected directories."""
50
 
        inv = Inventory()
51
 
        
52
 
        for args in [('src', 'directory', 'src-id'), 
53
 
                     ('doc', 'directory', 'doc-id'), 
54
 
                     ('src/hello.c', 'file'),
55
 
                     ('src/bye.c', 'file', 'bye-id'),
56
 
                     ('Makefile', 'file')]:
57
 
            inv.add_path(*args)
58
 
            
59
 
        self.assertEqual(inv.path2id('src'), 'src-id')
60
 
        self.assertEqual(inv.path2id('src/bye.c'), 'bye-id')
61
 
        
62
 
        self.assert_('src-id' in inv)
63
 
 
64
 
    def test_version(self):
65
 
        """Inventory remembers the text's version."""
66
 
        inv = Inventory()
67
 
        ie = inv.add_path('foo.txt', 'file')
68
 
        ## XXX
69
 
 
70
 
 
71
 
class TestInventoryEntry(TestCase):
72
 
 
73
 
    def test_file_kind_character(self):
74
 
        file = inventory.InventoryFile('123', 'hello.c', ROOT_ID)
75
 
        self.assertEqual(file.kind_character(), '')
76
 
 
77
 
    def test_dir_kind_character(self):
78
 
        dir = inventory.InventoryDirectory('123', 'hello.c', ROOT_ID)
79
 
        self.assertEqual(dir.kind_character(), '/')
80
 
 
81
 
    def test_link_kind_character(self):
82
 
        dir = inventory.InventoryLink('123', 'hello.c', ROOT_ID)
83
 
        self.assertEqual(dir.kind_character(), '')
84
 
 
85
 
    def test_dir_detect_changes(self):
86
 
        left = inventory.InventoryDirectory('123', 'hello.c', ROOT_ID)
87
 
        left.text_sha1 = 123
88
 
        left.executable = True
89
 
        left.symlink_target='foo'
90
 
        right = inventory.InventoryDirectory('123', 'hello.c', ROOT_ID)
91
 
        right.text_sha1 = 321
92
 
        right.symlink_target='bar'
93
 
        self.assertEqual((False, False), left.detect_changes(right))
94
 
        self.assertEqual((False, False), right.detect_changes(left))
95
 
 
96
 
    def test_file_detect_changes(self):
97
 
        left = inventory.InventoryFile('123', 'hello.c', ROOT_ID)
98
 
        left.text_sha1 = 123
99
 
        right = inventory.InventoryFile('123', 'hello.c', ROOT_ID)
100
 
        right.text_sha1 = 123
101
 
        self.assertEqual((False, False), left.detect_changes(right))
102
 
        self.assertEqual((False, False), right.detect_changes(left))
103
 
        left.executable = True
104
 
        self.assertEqual((False, True), left.detect_changes(right))
105
 
        self.assertEqual((False, True), right.detect_changes(left))
106
 
        right.text_sha1 = 321
107
 
        self.assertEqual((True, True), left.detect_changes(right))
108
 
        self.assertEqual((True, True), right.detect_changes(left))
109
 
 
110
 
    def test_symlink_detect_changes(self):
111
 
        left = inventory.InventoryLink('123', 'hello.c', ROOT_ID)
112
 
        left.text_sha1 = 123
113
 
        left.executable = True
114
 
        left.symlink_target='foo'
115
 
        right = inventory.InventoryLink('123', 'hello.c', ROOT_ID)
116
 
        right.text_sha1 = 321
117
 
        right.symlink_target='foo'
118
 
        self.assertEqual((False, False), left.detect_changes(right))
119
 
        self.assertEqual((False, False), right.detect_changes(left))
120
 
        left.symlink_target = 'different'
121
 
        self.assertEqual((True, False), left.detect_changes(right))
122
 
        self.assertEqual((True, False), right.detect_changes(left))
123
 
 
124
 
    def test_file_has_text(self):
125
 
        file = inventory.InventoryFile('123', 'hello.c', ROOT_ID)
126
 
        self.failUnless(file.has_text())
127
 
 
128
 
    def test_directory_has_text(self):
129
 
        dir = inventory.InventoryDirectory('123', 'hello.c', ROOT_ID)
130
 
        self.failIf(dir.has_text())
131
 
 
132
 
    def test_link_has_text(self):
133
 
        link = inventory.InventoryLink('123', 'hello.c', ROOT_ID)
134
 
        self.failIf(link.has_text())
135
 
 
136
 
    def test_make_entry(self):
137
 
        self.assertIsInstance(inventory.make_entry("file", "name", ROOT_ID),
138
 
            inventory.InventoryFile)
139
 
        self.assertIsInstance(inventory.make_entry("symlink", "name", ROOT_ID),
140
 
            inventory.InventoryLink)
141
 
        self.assertIsInstance(inventory.make_entry("directory", "name", ROOT_ID),
142
 
            inventory.InventoryDirectory)
143
 
 
144
 
class TestEntryDiffing(TestCaseWithTransport):
145
 
 
146
 
    def setUp(self):
147
 
        super(TestEntryDiffing, self).setUp()
148
 
        self.wt = self.make_branch_and_tree('.')
149
 
        self.branch = self.wt.branch
150
 
        print >> open('file', 'wb'), 'foo'
151
 
        print >> open('binfile', 'wb'), 'foo'
152
 
        self.wt.add(['file'], ['fileid'])
153
 
        self.wt.add(['binfile'], ['binfileid'])
154
 
        if has_symlinks():
155
 
            os.symlink('target1', 'symlink')
156
 
            self.wt.add(['symlink'], ['linkid'])
157
 
        self.wt.commit('message_1', rev_id = '1')
158
 
        print >> open('file', 'wb'), 'bar'
159
 
        print >> open('binfile', 'wb'), 'x' * 1023 + '\x00'
160
 
        if has_symlinks():
161
 
            os.unlink('symlink')
162
 
            os.symlink('target2', 'symlink')
163
 
        self.tree_1 = self.branch.repository.revision_tree('1')
164
 
        self.inv_1 = self.branch.repository.get_inventory('1')
165
 
        self.file_1 = self.inv_1['fileid']
166
 
        self.file_1b = self.inv_1['binfileid']
167
 
        self.tree_2 = self.wt
168
 
        self.inv_2 = self.tree_2.read_working_inventory()
169
 
        self.file_2 = self.inv_2['fileid']
170
 
        self.file_2b = self.inv_2['binfileid']
171
 
        if has_symlinks():
172
 
            self.link_1 = self.inv_1['linkid']
173
 
            self.link_2 = self.inv_2['linkid']
174
 
 
175
 
    def test_file_diff_deleted(self):
176
 
        output = StringIO()
177
 
        self.file_1.diff(internal_diff, 
178
 
                          "old_label", self.tree_1,
179
 
                          "/dev/null", None, None,
180
 
                          output)
181
 
        self.assertEqual(output.getvalue(), "--- old_label\t\n"
182
 
                                            "+++ /dev/null\t\n"
183
 
                                            "@@ -1,1 +0,0 @@\n"
184
 
                                            "-foo\n"
185
 
                                            "\n")
186
 
 
187
 
    def test_file_diff_added(self):
188
 
        output = StringIO()
189
 
        self.file_1.diff(internal_diff, 
190
 
                          "new_label", self.tree_1,
191
 
                          "/dev/null", None, None,
192
 
                          output, reverse=True)
193
 
        self.assertEqual(output.getvalue(), "--- /dev/null\t\n"
194
 
                                            "+++ new_label\t\n"
195
 
                                            "@@ -0,0 +1,1 @@\n"
196
 
                                            "+foo\n"
197
 
                                            "\n")
198
 
 
199
 
    def test_file_diff_changed(self):
200
 
        output = StringIO()
201
 
        self.file_1.diff(internal_diff, 
202
 
                          "/dev/null", self.tree_1, 
203
 
                          "new_label", self.file_2, self.tree_2,
204
 
                          output)
205
 
        self.assertEqual(output.getvalue(), "--- /dev/null\t\n"
206
 
                                            "+++ new_label\t\n"
207
 
                                            "@@ -1,1 +1,1 @@\n"
208
 
                                            "-foo\n"
209
 
                                            "+bar\n"
210
 
                                            "\n")
211
 
        
212
 
    def test_file_diff_binary(self):
213
 
        output = StringIO()
214
 
        self.file_1.diff(internal_diff, 
215
 
                          "/dev/null", self.tree_1, 
216
 
                          "new_label", self.file_2b, self.tree_2,
217
 
                          output)
218
 
        self.assertEqual(output.getvalue(), 
219
 
                         "Binary files /dev/null and new_label differ\n")
220
 
    def test_link_diff_deleted(self):
221
 
        if not has_symlinks():
222
 
            return
223
 
        output = StringIO()
224
 
        self.link_1.diff(internal_diff, 
225
 
                          "old_label", self.tree_1,
226
 
                          "/dev/null", None, None,
227
 
                          output)
228
 
        self.assertEqual(output.getvalue(),
229
 
                         "=== target was 'target1'\n")
230
 
 
231
 
    def test_link_diff_added(self):
232
 
        if not has_symlinks():
233
 
            return
234
 
        output = StringIO()
235
 
        self.link_1.diff(internal_diff, 
236
 
                          "new_label", self.tree_1,
237
 
                          "/dev/null", None, None,
238
 
                          output, reverse=True)
239
 
        self.assertEqual(output.getvalue(),
240
 
                         "=== target is 'target1'\n")
241
 
 
242
 
    def test_link_diff_changed(self):
243
 
        if not has_symlinks():
244
 
            return
245
 
        output = StringIO()
246
 
        self.link_1.diff(internal_diff, 
247
 
                          "/dev/null", self.tree_1, 
248
 
                          "new_label", self.link_2, self.tree_2,
249
 
                          output)
250
 
        self.assertEqual(output.getvalue(),
251
 
                         "=== target changed 'target1' => 'target2'\n")
252
 
 
253
 
 
254
 
class TestSnapshot(TestCaseWithTransport):
255
 
 
256
 
    def setUp(self):
257
 
        # for full testing we'll need a branch
258
 
        # with a subdir to test parent changes.
259
 
        # and a file, link and dir under that.
260
 
        # but right now I only need one attribute
261
 
        # to change, and then test merge patterns
262
 
        # with fake parent entries.
263
 
        super(TestSnapshot, self).setUp()
264
 
        self.wt = self.make_branch_and_tree('.')
265
 
        self.branch = self.wt.branch
266
 
        self.build_tree(['subdir/', 'subdir/file'], line_endings='binary')
267
 
        self.wt.add(['subdir', 'subdir/file'],
268
 
                                       ['dirid', 'fileid'])
269
 
        if has_symlinks():
270
 
            pass
271
 
        self.wt.commit('message_1', rev_id = '1')
272
 
        self.tree_1 = self.branch.repository.revision_tree('1')
273
 
        self.inv_1 = self.branch.repository.get_inventory('1')
274
 
        self.file_1 = self.inv_1['fileid']
275
 
        self.file_active = self.wt.inventory['fileid']
276
 
 
277
 
    def test_snapshot_new_revision(self):
278
 
        # This tests that a simple commit with no parents makes a new
279
 
        # revision value in the inventory entry
280
 
        self.file_active.snapshot('2', 'subdir/file', {}, self.wt, 
281
 
                                  self.branch.repository.weave_store,
282
 
                                  self.branch.get_transaction())
283
 
        # expected outcome - file_1 has a revision id of '2', and we can get
284
 
        # its text of 'file contents' out of the weave.
285
 
        self.assertEqual(self.file_1.revision, '1')
286
 
        self.assertEqual(self.file_active.revision, '2')
287
 
        # this should be a separate test probably, but lets check it once..
288
 
        lines = self.branch.repository.weave_store.get_weave(
289
 
            'fileid', 
290
 
            self.branch.get_transaction()).get_lines('2')
291
 
        self.assertEqual(lines, ['contents of subdir/file\n'])
292
 
 
293
 
    def test_snapshot_unchanged(self):
294
 
        #This tests that a simple commit does not make a new entry for
295
 
        # an unchanged inventory entry
296
 
        self.file_active.snapshot('2', 'subdir/file', {'1':self.file_1},
297
 
                                  self.wt, 
298
 
                                  self.branch.repository.weave_store,
299
 
                                  self.branch.get_transaction())
300
 
        self.assertEqual(self.file_1.revision, '1')
301
 
        self.assertEqual(self.file_active.revision, '1')
302
 
        vf = self.branch.repository.weave_store.get_weave(
303
 
            'fileid', 
304
 
            self.branch.repository.get_transaction())
305
 
        self.assertRaises(errors.RevisionNotPresent,
306
 
                          vf.get_lines,
307
 
                          '2')
308
 
 
309
 
    def test_snapshot_merge_identical_different_revid(self):
310
 
        # This tests that a commit with two identical parents, one of which has
311
 
        # a different revision id, results in a new revision id in the entry.
312
 
        # 1->other, commit a merge of other against 1, results in 2.
313
 
        other_ie = inventory.InventoryFile('fileid', 'newname', self.file_1.parent_id)
314
 
        other_ie = inventory.InventoryFile('fileid', 'file', self.file_1.parent_id)
315
 
        other_ie.revision = '1'
316
 
        other_ie.text_sha1 = self.file_1.text_sha1
317
 
        other_ie.text_size = self.file_1.text_size
318
 
        self.assertEqual(self.file_1, other_ie)
319
 
        other_ie.revision = 'other'
320
 
        self.assertNotEqual(self.file_1, other_ie)
321
 
        versionfile = self.branch.repository.weave_store.get_weave(
322
 
            'fileid', self.branch.repository.get_transaction())
323
 
        versionfile.clone_text('other', '1', ['1'])
324
 
        self.file_active.snapshot('2', 'subdir/file', 
325
 
                                  {'1':self.file_1, 'other':other_ie},
326
 
                                  self.wt, 
327
 
                                  self.branch.repository.weave_store,
328
 
                                  self.branch.get_transaction())
329
 
        self.assertEqual(self.file_active.revision, '2')
330
 
 
331
 
    def test_snapshot_changed(self):
332
 
        # This tests that a commit with one different parent results in a new
333
 
        # revision id in the entry.
334
 
        self.file_active.name='newname'
335
 
        rename('subdir/file', 'subdir/newname')
336
 
        self.file_active.snapshot('2', 'subdir/newname', {'1':self.file_1}, 
337
 
                                  self.wt,
338
 
                                  self.branch.repository.weave_store,
339
 
                                  self.branch.get_transaction())
340
 
        # expected outcome - file_1 has a revision id of '2'
341
 
        self.assertEqual(self.file_active.revision, '2')
342
 
 
343
 
 
344
 
class TestPreviousHeads(TestCaseWithTransport):
345
 
 
346
 
    def setUp(self):
347
 
        # we want several inventories, that respectively
348
 
        # give use the following scenarios:
349
 
        # A) fileid not in any inventory (A),
350
 
        # B) fileid present in one inventory (B) and (A,B)
351
 
        # C) fileid present in two inventories, and they
352
 
        #   are not mutual descendents (B, C)
353
 
        # D) fileid present in two inventories and one is
354
 
        #   a descendent of the other. (B, D)
355
 
        super(TestPreviousHeads, self).setUp()
356
 
        self.wt = self.make_branch_and_tree('.')
357
 
        self.branch = self.wt.branch
358
 
        self.build_tree(['file'])
359
 
        self.wt.commit('new branch', allow_pointless=True, rev_id='A')
360
 
        self.inv_A = self.branch.repository.get_inventory('A')
361
 
        self.wt.add(['file'], ['fileid'])
362
 
        self.wt.commit('add file', rev_id='B')
363
 
        self.inv_B = self.branch.repository.get_inventory('B')
364
 
        uncommit(self.branch, tree=self.wt)
365
 
        self.assertEqual(self.branch.revision_history(), ['A'])
366
 
        self.wt.commit('another add of file', rev_id='C')
367
 
        self.inv_C = self.branch.repository.get_inventory('C')
368
 
        self.wt.add_pending_merge('B')
369
 
        self.wt.commit('merge in B', rev_id='D')
370
 
        self.inv_D = self.branch.repository.get_inventory('D')
371
 
        self.file_active = self.wt.inventory['fileid']
372
 
        self.weave = self.branch.repository.weave_store.get_weave('fileid',
373
 
            self.branch.repository.get_transaction())
374
 
        
375
 
    def get_previous_heads(self, inventories):
376
 
        return self.file_active.find_previous_heads(
377
 
            inventories, 
378
 
            self.branch.repository.weave_store,
379
 
            self.branch.repository.get_transaction())
380
 
        
381
 
    def test_fileid_in_no_inventory(self):
382
 
        self.assertEqual({}, self.get_previous_heads([self.inv_A]))
383
 
 
384
 
    def test_fileid_in_one_inventory(self):
385
 
        self.assertEqual({'B':self.inv_B['fileid']},
386
 
                         self.get_previous_heads([self.inv_B]))
387
 
        self.assertEqual({'B':self.inv_B['fileid']},
388
 
                         self.get_previous_heads([self.inv_A, self.inv_B]))
389
 
        self.assertEqual({'B':self.inv_B['fileid']},
390
 
                         self.get_previous_heads([self.inv_B, self.inv_A]))
391
 
 
392
 
    def test_fileid_in_two_inventories_gives_both_entries(self):
393
 
        self.assertEqual({'B':self.inv_B['fileid'],
394
 
                          'C':self.inv_C['fileid']},
395
 
                          self.get_previous_heads([self.inv_B, self.inv_C]))
396
 
        self.assertEqual({'B':self.inv_B['fileid'],
397
 
                          'C':self.inv_C['fileid']},
398
 
                          self.get_previous_heads([self.inv_C, self.inv_B]))
399
 
 
400
 
    def test_fileid_in_two_inventories_already_merged_gives_head(self):
401
 
        self.assertEqual({'D':self.inv_D['fileid']},
402
 
                         self.get_previous_heads([self.inv_B, self.inv_D]))
403
 
        self.assertEqual({'D':self.inv_D['fileid']},
404
 
                         self.get_previous_heads([self.inv_D, self.inv_B]))
405
 
 
406
 
    # TODO: test two inventories with the same file revision 
407
 
 
408
 
 
409
 
class TestDescribeChanges(TestCase):
410
 
 
411
 
    def test_describe_change(self):
412
 
        # we need to test the following change combinations:
413
 
        # rename
414
 
        # reparent
415
 
        # modify
416
 
        # gone
417
 
        # added
418
 
        # renamed/reparented and modified
419
 
        # change kind (perhaps can't be done yet?)
420
 
        # also, merged in combination with all of these?
421
 
        old_a = InventoryFile('a-id', 'a_file', ROOT_ID)
422
 
        old_a.text_sha1 = '123132'
423
 
        old_a.text_size = 0
424
 
        new_a = InventoryFile('a-id', 'a_file', ROOT_ID)
425
 
        new_a.text_sha1 = '123132'
426
 
        new_a.text_size = 0
427
 
 
428
 
        self.assertChangeDescription('unchanged', old_a, new_a)
429
 
 
430
 
        new_a.text_size = 10
431
 
        new_a.text_sha1 = 'abcabc'
432
 
        self.assertChangeDescription('modified', old_a, new_a)
433
 
 
434
 
        self.assertChangeDescription('added', None, new_a)
435
 
        self.assertChangeDescription('removed', old_a, None)
436
 
        # perhaps a bit questionable but seems like the most reasonable thing...
437
 
        self.assertChangeDescription('unchanged', None, None)
438
 
 
439
 
        # in this case it's both renamed and modified; show a rename and 
440
 
        # modification:
441
 
        new_a.name = 'newfilename'
442
 
        self.assertChangeDescription('modified and renamed', old_a, new_a)
443
 
 
444
 
        # reparenting is 'renaming'
445
 
        new_a.name = old_a.name
446
 
        new_a.parent_id = 'somedir-id'
447
 
        self.assertChangeDescription('modified and renamed', old_a, new_a)
448
 
 
449
 
        # reset the content values so its not modified
450
 
        new_a.text_size = old_a.text_size
451
 
        new_a.text_sha1 = old_a.text_sha1
452
 
        new_a.name = old_a.name
453
 
 
454
 
        new_a.name = 'newfilename'
455
 
        self.assertChangeDescription('renamed', old_a, new_a)
456
 
 
457
 
        # reparenting is 'renaming'
458
 
        new_a.name = old_a.name
459
 
        new_a.parent_id = 'somedir-id'
460
 
        self.assertChangeDescription('renamed', old_a, new_a)
461
 
 
462
 
    def assertChangeDescription(self, expected_change, old_ie, new_ie):
463
 
        change = InventoryEntry.describe_change(old_ie, new_ie)
464
 
        self.assertEqual(expected_change, change)
465
 
 
466
 
 
467
 
class TestExecutable(TestCaseWithTransport):
468
 
 
469
 
    def test_stays_executable(self):
470
 
        a_id = "a-20051208024829-849e76f7968d7a86"
471
 
        b_id = "b-20051208024829-849e76f7968d7a86"
472
 
        wt = self.make_branch_and_tree('b1')
473
 
        b = wt.branch
474
 
        tt = TreeTransform(wt)
475
 
        tt.new_file('a', tt.root, 'a test\n', a_id, True)
476
 
        tt.new_file('b', tt.root, 'b test\n', b_id, False)
477
 
        tt.apply()
478
 
 
479
 
        self.failUnless(wt.is_executable(a_id), "'a' lost the execute bit")
480
 
 
481
 
        # reopen the tree and ensure it stuck.
482
 
        wt = wt.bzrdir.open_workingtree()
483
 
        self.assertEqual(['a', 'b'], [cn for cn,ie in wt.inventory.iter_entries()])
484
 
 
485
 
        self.failUnless(wt.is_executable(a_id), "'a' lost the execute bit")
486
 
        self.failIf(wt.is_executable(b_id), "'b' gained an execute bit")
487
 
 
488
 
        wt.commit('adding a,b', rev_id='r1')
489
 
 
490
 
        rev_tree = b.repository.revision_tree('r1')
491
 
        self.failUnless(rev_tree.is_executable(a_id), "'a' lost the execute bit")
492
 
        self.failIf(rev_tree.is_executable(b_id), "'b' gained an execute bit")
493
 
 
494
 
        self.failUnless(rev_tree.inventory[a_id].executable)
495
 
        self.failIf(rev_tree.inventory[b_id].executable)
496
 
 
497
 
        # Make sure the entries are gone
498
 
        os.remove('b1/a')
499
 
        os.remove('b1/b')
500
 
        self.failIf(wt.has_id(a_id))
501
 
        self.failIf(wt.has_filename('a'))
502
 
        self.failIf(wt.has_id(b_id))
503
 
        self.failIf(wt.has_filename('b'))
504
 
 
505
 
        # Make sure that revert is able to bring them back,
506
 
        # and sets 'a' back to being executable
507
 
 
508
 
        wt.revert(['a', 'b'], rev_tree, backups=False)
509
 
        self.assertEqual(['a', 'b'], [cn for cn,ie in wt.inventory.iter_entries()])
510
 
 
511
 
        self.failUnless(wt.is_executable(a_id), "'a' lost the execute bit")
512
 
        self.failIf(wt.is_executable(b_id), "'b' gained an execute bit")
513
 
 
514
 
        # Now remove them again, and make sure that after a
515
 
        # commit, they are still marked correctly
516
 
        os.remove('b1/a')
517
 
        os.remove('b1/b')
518
 
        wt.commit('removed', rev_id='r2')
519
 
 
520
 
        self.assertEqual([], [cn for cn,ie in wt.inventory.iter_entries()])
521
 
        self.failIf(wt.has_id(a_id))
522
 
        self.failIf(wt.has_filename('a'))
523
 
        self.failIf(wt.has_id(b_id))
524
 
        self.failIf(wt.has_filename('b'))
525
 
 
526
 
        # Now revert back to the previous commit
527
 
        wt.revert([], rev_tree, backups=False)
528
 
        self.assertEqual(['a', 'b'], [cn for cn,ie in wt.inventory.iter_entries()])
529
 
 
530
 
        self.failUnless(wt.is_executable(a_id), "'a' lost the execute bit")
531
 
        self.failIf(wt.is_executable(b_id), "'b' gained an execute bit")
532
 
 
533
 
        # Now make sure that 'bzr branch' also preserves the
534
 
        # executable bit
535
 
        # TODO: Maybe this should be a blackbox test
536
 
        d2 = b.bzrdir.clone('b2', revision_id='r1')
537
 
        t2 = d2.open_workingtree()
538
 
        b2 = t2.branch
539
 
        self.assertEquals('r1', b2.last_revision())
540
 
 
541
 
        self.assertEqual(['a', 'b'], [cn for cn,ie in t2.inventory.iter_entries()])
542
 
        self.failUnless(t2.is_executable(a_id), "'a' lost the execute bit")
543
 
        self.failIf(t2.is_executable(b_id), "'b' gained an execute bit")
544
 
 
545
 
        # Make sure pull will delete the files
546
 
        t2.pull(b)
547
 
        self.assertEquals('r2', b2.last_revision())
548
 
        self.assertEqual([], [cn for cn,ie in t2.inventory.iter_entries()])
549
 
 
550
 
        # Now commit the changes on the first branch
551
 
        # so that the second branch can pull the changes
552
 
        # and make sure that the executable bit has been copied
553
 
        wt.commit('resurrected', rev_id='r3')
554
 
 
555
 
        t2.pull(b)
556
 
        self.assertEquals('r3', b2.last_revision())
557
 
        self.assertEqual(['a', 'b'], [cn for cn,ie in t2.inventory.iter_entries()])
558
 
 
559
 
        self.failUnless(t2.is_executable(a_id), "'a' lost the execute bit")
560
 
        self.failIf(t2.is_executable(b_id), "'b' gained an execute bit")
561
 
 
562
 
 
563
 
class TestRevert(TestCaseWithTransport):
564
 
 
565
 
    def test_dangling_id(self):
566
 
        wt = self.make_branch_and_tree('b1')
567
 
        self.assertEqual(len(wt.inventory), 1)
568
 
        open('b1/a', 'wb').write('a test\n')
569
 
        wt.add('a')
570
 
        self.assertEqual(len(wt.inventory), 2)
571
 
        os.unlink('b1/a')
572
 
        wt.revert([])
573
 
        self.assertEqual(len(wt.inventory), 1)