~bzr-pqm/bzr/bzr.dev

« back to all changes in this revision

Viewing changes to bzrlib/tests/test_dirstate.py

  • Committer: Martin Pool
  • Date: 2005-07-04 05:12:59 UTC
  • Revision ID: mbp@sourcefrog.net-20050704051259-a001ad74f39dadb7
- New log --long option

  Patch from William Dodé

Show diffs side-by-side

added added

removed removed

Lines of Context:
1
 
# Copyright (C) 2006, 2007 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
 
"""Tests of the dirstate functionality being built for WorkingTreeFormat4."""
18
 
 
19
 
import bisect
20
 
import os
21
 
import time
22
 
 
23
 
from bzrlib import (
24
 
    dirstate,
25
 
    errors,
26
 
    osutils,
27
 
    )
28
 
from bzrlib.memorytree import MemoryTree
29
 
from bzrlib.osutils import has_symlinks
30
 
from bzrlib.tests import (
31
 
        TestCase,
32
 
        TestCaseWithTransport,
33
 
        TestSkipped,
34
 
        )
35
 
 
36
 
 
37
 
# TODO:
38
 
# TESTS to write:
39
 
# general checks for NOT_IN_MEMORY error conditions.
40
 
# set_path_id on a NOT_IN_MEMORY dirstate
41
 
# set_path_id  unicode support
42
 
# set_path_id  setting id of a path not root
43
 
# set_path_id  setting id when there are parents without the id in the parents
44
 
# set_path_id  setting id when there are parents with the id in the parents
45
 
# set_path_id  setting id when state is not in memory
46
 
# set_path_id  setting id when state is in memory unmodified
47
 
# set_path_id  setting id when state is in memory modified
48
 
 
49
 
 
50
 
class TestCaseWithDirState(TestCaseWithTransport):
51
 
    """Helper functions for creating DirState objects with various content."""
52
 
 
53
 
    def create_empty_dirstate(self):
54
 
        """Return a locked but empty dirstate"""
55
 
        state = dirstate.DirState.initialize('dirstate')
56
 
        return state
57
 
 
58
 
    def create_dirstate_with_root(self):
59
 
        """Return a write-locked state with a single root entry."""
60
 
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
61
 
        root_entry_direntry = ('', '', 'a-root-value'), [
62
 
            ('d', '', 0, False, packed_stat),
63
 
            ]
64
 
        dirblocks = []
65
 
        dirblocks.append(('', [root_entry_direntry]))
66
 
        dirblocks.append(('', []))
67
 
        state = self.create_empty_dirstate()
68
 
        try:
69
 
            state._set_data([], dirblocks)
70
 
            state._validate()
71
 
        except:
72
 
            state.unlock()
73
 
            raise
74
 
        return state
75
 
 
76
 
    def create_dirstate_with_root_and_subdir(self):
77
 
        """Return a locked DirState with a root and a subdir"""
78
 
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
79
 
        subdir_entry = ('', 'subdir', 'subdir-id'), [
80
 
            ('d', '', 0, False, packed_stat),
81
 
            ]
82
 
        state = self.create_dirstate_with_root()
83
 
        try:
84
 
            dirblocks = list(state._dirblocks)
85
 
            dirblocks[1][1].append(subdir_entry)
86
 
            state._set_data([], dirblocks)
87
 
        except:
88
 
            state.unlock()
89
 
            raise
90
 
        return state
91
 
 
92
 
    def create_complex_dirstate(self):
93
 
        """This dirstate contains multiple files and directories.
94
 
 
95
 
         /        a-root-value
96
 
         a/       a-dir
97
 
         b/       b-dir
98
 
         c        c-file
99
 
         d        d-file
100
 
         a/e/     e-dir
101
 
         a/f      f-file
102
 
         b/g      g-file
103
 
         b/h\xc3\xa5  h-\xc3\xa5-file  #This is u'\xe5' encoded into utf-8
104
 
 
105
 
        Notice that a/e is an empty directory.
106
 
 
107
 
        :return: The dirstate, still write-locked.
108
 
        """
109
 
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
110
 
        null_sha = 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'
111
 
        root_entry = ('', '', 'a-root-value'), [
112
 
            ('d', '', 0, False, packed_stat),
113
 
            ]
114
 
        a_entry = ('', 'a', 'a-dir'), [
115
 
            ('d', '', 0, False, packed_stat),
116
 
            ]
117
 
        b_entry = ('', 'b', 'b-dir'), [
118
 
            ('d', '', 0, False, packed_stat),
119
 
            ]
120
 
        c_entry = ('', 'c', 'c-file'), [
121
 
            ('f', null_sha, 10, False, packed_stat),
122
 
            ]
123
 
        d_entry = ('', 'd', 'd-file'), [
124
 
            ('f', null_sha, 20, False, packed_stat),
125
 
            ]
126
 
        e_entry = ('a', 'e', 'e-dir'), [
127
 
            ('d', '', 0, False, packed_stat),
128
 
            ]
129
 
        f_entry = ('a', 'f', 'f-file'), [
130
 
            ('f', null_sha, 30, False, packed_stat),
131
 
            ]
132
 
        g_entry = ('b', 'g', 'g-file'), [
133
 
            ('f', null_sha, 30, False, packed_stat),
134
 
            ]
135
 
        h_entry = ('b', 'h\xc3\xa5', 'h-\xc3\xa5-file'), [
136
 
            ('f', null_sha, 40, False, packed_stat),
137
 
            ]
138
 
        dirblocks = []
139
 
        dirblocks.append(('', [root_entry]))
140
 
        dirblocks.append(('', [a_entry, b_entry, c_entry, d_entry]))
141
 
        dirblocks.append(('a', [e_entry, f_entry]))
142
 
        dirblocks.append(('b', [g_entry, h_entry]))
143
 
        state = dirstate.DirState.initialize('dirstate')
144
 
        state._validate()
145
 
        try:
146
 
            state._set_data([], dirblocks)
147
 
        except:
148
 
            state.unlock()
149
 
            raise
150
 
        return state
151
 
 
152
 
    def check_state_with_reopen(self, expected_result, state):
153
 
        """Check that state has current state expected_result.
154
 
 
155
 
        This will check the current state, open the file anew and check it
156
 
        again.
157
 
        This function expects the current state to be locked for writing, and
158
 
        will unlock it before re-opening.
159
 
        This is required because we can't open a lock_read() while something
160
 
        else has a lock_write().
161
 
            write => mutually exclusive lock
162
 
            read => shared lock
163
 
        """
164
 
        # The state should already be write locked, since we just had to do
165
 
        # some operation to get here.
166
 
        assert state._lock_token is not None
167
 
        try:
168
 
            self.assertEqual(expected_result[0],  state.get_parent_ids())
169
 
            # there should be no ghosts in this tree.
170
 
            self.assertEqual([], state.get_ghosts())
171
 
            # there should be one fileid in this tree - the root of the tree.
172
 
            self.assertEqual(expected_result[1], list(state._iter_entries()))
173
 
            state.save()
174
 
        finally:
175
 
            state.unlock()
176
 
        del state # Callers should unlock
177
 
        state = dirstate.DirState.on_file('dirstate')
178
 
        state.lock_read()
179
 
        try:
180
 
            self.assertEqual(expected_result[1], list(state._iter_entries()))
181
 
        finally:
182
 
            state.unlock()
183
 
 
184
 
    def create_basic_dirstate(self):
185
 
        """Create a dirstate with a few files and directories.
186
 
 
187
 
            a
188
 
            b/
189
 
              c
190
 
              d/
191
 
                e
192
 
            f
193
 
        """
194
 
        tree = self.make_branch_and_tree('tree')
195
 
        paths = ['a', 'b/', 'b/c', 'b/d/', 'b/d/e', 'f']
196
 
        file_ids = ['a-id', 'b-id', 'c-id', 'd-id', 'e-id', 'f-id']
197
 
        self.build_tree(['tree/' + p for p in paths])
198
 
        tree.set_root_id('TREE_ROOT')
199
 
        tree.add([p.rstrip('/') for p in paths], file_ids)
200
 
        tree.commit('initial', rev_id='rev-1')
201
 
        revision_id = 'rev-1'
202
 
        # a_packed_stat = dirstate.pack_stat(os.stat('tree/a'))
203
 
        t = self.get_transport().clone('tree')
204
 
        a_text = t.get_bytes('a')
205
 
        a_sha = osutils.sha_string(a_text)
206
 
        a_len = len(a_text)
207
 
        # b_packed_stat = dirstate.pack_stat(os.stat('tree/b'))
208
 
        # c_packed_stat = dirstate.pack_stat(os.stat('tree/b/c'))
209
 
        c_text = t.get_bytes('b/c')
210
 
        c_sha = osutils.sha_string(c_text)
211
 
        c_len = len(c_text)
212
 
        # d_packed_stat = dirstate.pack_stat(os.stat('tree/b/d'))
213
 
        # e_packed_stat = dirstate.pack_stat(os.stat('tree/b/d/e'))
214
 
        e_text = t.get_bytes('b/d/e')
215
 
        e_sha = osutils.sha_string(e_text)
216
 
        e_len = len(e_text)
217
 
        # f_packed_stat = dirstate.pack_stat(os.stat('tree/f'))
218
 
        f_text = t.get_bytes('f')
219
 
        f_sha = osutils.sha_string(f_text)
220
 
        f_len = len(f_text)
221
 
        null_stat = dirstate.DirState.NULLSTAT
222
 
        expected = {
223
 
            '':(('', '', 'TREE_ROOT'), [
224
 
                  ('d', '', 0, False, null_stat),
225
 
                  ('d', '', 0, False, revision_id),
226
 
                ]),
227
 
            'a':(('', 'a', 'a-id'), [
228
 
                   ('f', '', 0, False, null_stat),
229
 
                   ('f', a_sha, a_len, False, revision_id),
230
 
                 ]),
231
 
            'b':(('', 'b', 'b-id'), [
232
 
                  ('d', '', 0, False, null_stat),
233
 
                  ('d', '', 0, False, revision_id),
234
 
                 ]),
235
 
            'b/c':(('b', 'c', 'c-id'), [
236
 
                    ('f', '', 0, False, null_stat),
237
 
                    ('f', c_sha, c_len, False, revision_id),
238
 
                   ]),
239
 
            'b/d':(('b', 'd', 'd-id'), [
240
 
                    ('d', '', 0, False, null_stat),
241
 
                    ('d', '', 0, False, revision_id),
242
 
                   ]),
243
 
            'b/d/e':(('b/d', 'e', 'e-id'), [
244
 
                      ('f', '', 0, False, null_stat),
245
 
                      ('f', e_sha, e_len, False, revision_id),
246
 
                     ]),
247
 
            'f':(('', 'f', 'f-id'), [
248
 
                  ('f', '', 0, False, null_stat),
249
 
                  ('f', f_sha, f_len, False, revision_id),
250
 
                 ]),
251
 
        }
252
 
        state = dirstate.DirState.from_tree(tree, 'dirstate')
253
 
        try:
254
 
            state.save()
255
 
        finally:
256
 
            state.unlock()
257
 
        # Use a different object, to make sure nothing is pre-cached in memory.
258
 
        state = dirstate.DirState.on_file('dirstate')
259
 
        state.lock_read()
260
 
        self.addCleanup(state.unlock)
261
 
        self.assertEqual(dirstate.DirState.NOT_IN_MEMORY,
262
 
                         state._dirblock_state)
263
 
        # This is code is only really tested if we actually have to make more
264
 
        # than one read, so set the page size to something smaller.
265
 
        # We want it to contain about 2.2 records, so that we have a couple
266
 
        # records that we can read per attempt
267
 
        state._bisect_page_size = 200
268
 
        return tree, state, expected
269
 
 
270
 
    def create_duplicated_dirstate(self):
271
 
        """Create a dirstate with a deleted and added entries.
272
 
 
273
 
        This grabs a basic_dirstate, and then removes and re adds every entry
274
 
        with a new file id.
275
 
        """
276
 
        tree, state, expected = self.create_basic_dirstate()
277
 
        # Now we will just remove and add every file so we get an extra entry
278
 
        # per entry. Unversion in reverse order so we handle subdirs
279
 
        tree.unversion(['f-id', 'e-id', 'd-id', 'c-id', 'b-id', 'a-id'])
280
 
        tree.add(['a', 'b', 'b/c', 'b/d', 'b/d/e', 'f'],
281
 
                 ['a-id2', 'b-id2', 'c-id2', 'd-id2', 'e-id2', 'f-id2'])
282
 
 
283
 
        # Update the expected dictionary.
284
 
        for path in ['a', 'b', 'b/c', 'b/d', 'b/d/e', 'f']:
285
 
            orig = expected[path]
286
 
            path2 = path + '2'
287
 
            # This record was deleted in the current tree
288
 
            expected[path] = (orig[0], [dirstate.DirState.NULL_PARENT_DETAILS,
289
 
                                        orig[1][1]])
290
 
            new_key = (orig[0][0], orig[0][1], orig[0][2]+'2')
291
 
            # And didn't exist in the basis tree
292
 
            expected[path2] = (new_key, [orig[1][0],
293
 
                                         dirstate.DirState.NULL_PARENT_DETAILS])
294
 
 
295
 
        # We will replace the 'dirstate' file underneath 'state', but that is
296
 
        # okay as lock as we unlock 'state' first.
297
 
        state.unlock()
298
 
        try:
299
 
            new_state = dirstate.DirState.from_tree(tree, 'dirstate')
300
 
            try:
301
 
                new_state.save()
302
 
            finally:
303
 
                new_state.unlock()
304
 
        finally:
305
 
            # But we need to leave state in a read-lock because we already have
306
 
            # a cleanup scheduled
307
 
            state.lock_read()
308
 
        return tree, state, expected
309
 
 
310
 
    def create_renamed_dirstate(self):
311
 
        """Create a dirstate with a few internal renames.
312
 
 
313
 
        This takes the basic dirstate, and moves the paths around.
314
 
        """
315
 
        tree, state, expected = self.create_basic_dirstate()
316
 
        # Rename a file
317
 
        tree.rename_one('a', 'b/g')
318
 
        # And a directory
319
 
        tree.rename_one('b/d', 'h')
320
 
 
321
 
        old_a = expected['a']
322
 
        expected['a'] = (old_a[0], [('r', 'b/g', 0, False, ''), old_a[1][1]])
323
 
        expected['b/g'] = (('b', 'g', 'a-id'), [old_a[1][0],
324
 
                                                ('r', 'a', 0, False, '')])
325
 
        old_d = expected['b/d']
326
 
        expected['b/d'] = (old_d[0], [('r', 'h', 0, False, ''), old_d[1][1]])
327
 
        expected['h'] = (('', 'h', 'd-id'), [old_d[1][0],
328
 
                                             ('r', 'b/d', 0, False, '')])
329
 
 
330
 
        old_e = expected['b/d/e']
331
 
        expected['b/d/e'] = (old_e[0], [('r', 'h/e', 0, False, ''),
332
 
                             old_e[1][1]])
333
 
        expected['h/e'] = (('h', 'e', 'e-id'), [old_e[1][0],
334
 
                                                ('r', 'b/d/e', 0, False, '')])
335
 
 
336
 
        state.unlock()
337
 
        try:
338
 
            new_state = dirstate.DirState.from_tree(tree, 'dirstate')
339
 
            try:
340
 
                new_state.save()
341
 
            finally:
342
 
                new_state.unlock()
343
 
        finally:
344
 
            state.lock_read()
345
 
        return tree, state, expected
346
 
 
347
 
class TestTreeToDirState(TestCaseWithDirState):
348
 
 
349
 
    def test_empty_to_dirstate(self):
350
 
        """We should be able to create a dirstate for an empty tree."""
351
 
        # There are no files on disk and no parents
352
 
        tree = self.make_branch_and_tree('tree')
353
 
        expected_result = ([], [
354
 
            (('', '', tree.path2id('')), # common details
355
 
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
356
 
             ])])
357
 
        state = dirstate.DirState.from_tree(tree, 'dirstate')
358
 
        state._validate()
359
 
        self.check_state_with_reopen(expected_result, state)
360
 
 
361
 
    def test_1_parents_empty_to_dirstate(self):
362
 
        # create a parent by doing a commit
363
 
        tree = self.make_branch_and_tree('tree')
364
 
        rev_id = tree.commit('first post').encode('utf8')
365
 
        root_stat_pack = dirstate.pack_stat(os.stat(tree.basedir))
366
 
        expected_result = ([rev_id], [
367
 
            (('', '', tree.path2id('')), # common details
368
 
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
369
 
              ('d', '', 0, False, rev_id), # first parent details
370
 
             ])])
371
 
        state = dirstate.DirState.from_tree(tree, 'dirstate')
372
 
        self.check_state_with_reopen(expected_result, state)
373
 
        state.lock_read()
374
 
        try:
375
 
            state._validate()
376
 
        finally:
377
 
            state.unlock()
378
 
 
379
 
    def test_2_parents_empty_to_dirstate(self):
380
 
        # create a parent by doing a commit
381
 
        tree = self.make_branch_and_tree('tree')
382
 
        rev_id = tree.commit('first post')
383
 
        tree2 = tree.bzrdir.sprout('tree2').open_workingtree()
384
 
        rev_id2 = tree2.commit('second post', allow_pointless=True)
385
 
        tree.merge_from_branch(tree2.branch)
386
 
        expected_result = ([rev_id, rev_id2], [
387
 
            (('', '', tree.path2id('')), # common details
388
 
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
389
 
              ('d', '', 0, False, rev_id), # first parent details
390
 
              ('d', '', 0, False, rev_id2), # second parent details
391
 
             ])])
392
 
        state = dirstate.DirState.from_tree(tree, 'dirstate')
393
 
        self.check_state_with_reopen(expected_result, state)
394
 
        state.lock_read()
395
 
        try:
396
 
            state._validate()
397
 
        finally:
398
 
            state.unlock()
399
 
 
400
 
    def test_empty_unknowns_are_ignored_to_dirstate(self):
401
 
        """We should be able to create a dirstate for an empty tree."""
402
 
        # There are no files on disk and no parents
403
 
        tree = self.make_branch_and_tree('tree')
404
 
        self.build_tree(['tree/unknown'])
405
 
        expected_result = ([], [
406
 
            (('', '', tree.path2id('')), # common details
407
 
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
408
 
             ])])
409
 
        state = dirstate.DirState.from_tree(tree, 'dirstate')
410
 
        self.check_state_with_reopen(expected_result, state)
411
 
 
412
 
    def get_tree_with_a_file(self):
413
 
        tree = self.make_branch_and_tree('tree')
414
 
        self.build_tree(['tree/a file'])
415
 
        tree.add('a file', 'a file id')
416
 
        return tree
417
 
 
418
 
    def test_non_empty_no_parents_to_dirstate(self):
419
 
        """We should be able to create a dirstate for an empty tree."""
420
 
        # There are files on disk and no parents
421
 
        tree = self.get_tree_with_a_file()
422
 
        expected_result = ([], [
423
 
            (('', '', tree.path2id('')), # common details
424
 
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
425
 
             ]),
426
 
            (('', 'a file', 'a file id'), # common
427
 
             [('f', '', 0, False, dirstate.DirState.NULLSTAT), # current
428
 
             ]),
429
 
            ])
430
 
        state = dirstate.DirState.from_tree(tree, 'dirstate')
431
 
        self.check_state_with_reopen(expected_result, state)
432
 
 
433
 
    def test_1_parents_not_empty_to_dirstate(self):
434
 
        # create a parent by doing a commit
435
 
        tree = self.get_tree_with_a_file()
436
 
        rev_id = tree.commit('first post').encode('utf8')
437
 
        # change the current content to be different this will alter stat, sha
438
 
        # and length:
439
 
        self.build_tree_contents([('tree/a file', 'new content\n')])
440
 
        expected_result = ([rev_id], [
441
 
            (('', '', tree.path2id('')), # common details
442
 
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
443
 
              ('d', '', 0, False, rev_id), # first parent details
444
 
             ]),
445
 
            (('', 'a file', 'a file id'), # common
446
 
             [('f', '', 0, False, dirstate.DirState.NULLSTAT), # current
447
 
              ('f', 'c3ed76e4bfd45ff1763ca206055bca8e9fc28aa8', 24, False,
448
 
               rev_id), # first parent
449
 
             ]),
450
 
            ])
451
 
        state = dirstate.DirState.from_tree(tree, 'dirstate')
452
 
        self.check_state_with_reopen(expected_result, state)
453
 
 
454
 
    def test_2_parents_not_empty_to_dirstate(self):
455
 
        # create a parent by doing a commit
456
 
        tree = self.get_tree_with_a_file()
457
 
        rev_id = tree.commit('first post').encode('utf8')
458
 
        tree2 = tree.bzrdir.sprout('tree2').open_workingtree()
459
 
        # change the current content to be different this will alter stat, sha
460
 
        # and length:
461
 
        self.build_tree_contents([('tree2/a file', 'merge content\n')])
462
 
        rev_id2 = tree2.commit('second post').encode('utf8')
463
 
        tree.merge_from_branch(tree2.branch)
464
 
        # change the current content to be different this will alter stat, sha
465
 
        # and length again, giving us three distinct values:
466
 
        self.build_tree_contents([('tree/a file', 'new content\n')])
467
 
        expected_result = ([rev_id, rev_id2], [
468
 
            (('', '', tree.path2id('')), # common details
469
 
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
470
 
              ('d', '', 0, False, rev_id), # first parent details
471
 
              ('d', '', 0, False, rev_id2), # second parent details
472
 
             ]),
473
 
            (('', 'a file', 'a file id'), # common
474
 
             [('f', '', 0, False, dirstate.DirState.NULLSTAT), # current
475
 
              ('f', 'c3ed76e4bfd45ff1763ca206055bca8e9fc28aa8', 24, False,
476
 
               rev_id), # first parent
477
 
              ('f', '314d796174c9412647c3ce07dfb5d36a94e72958', 14, False,
478
 
               rev_id2), # second parent
479
 
             ]),
480
 
            ])
481
 
        state = dirstate.DirState.from_tree(tree, 'dirstate')
482
 
        self.check_state_with_reopen(expected_result, state)
483
 
 
484
 
    def test_colliding_fileids(self):
485
 
        # test insertion of parents creating several entries at the same path.
486
 
        # we used to have a bug where they could cause the dirstate to break
487
 
        # its ordering invariants.
488
 
        # create some trees to test from
489
 
        parents = []
490
 
        for i in range(7):
491
 
            tree = self.make_branch_and_tree('tree%d' % i)
492
 
            self.build_tree(['tree%d/name' % i,])
493
 
            tree.add(['name'], ['file-id%d' % i])
494
 
            revision_id = 'revid-%d' % i
495
 
            tree.commit('message', rev_id=revision_id)
496
 
            parents.append((revision_id,
497
 
                tree.branch.repository.revision_tree(revision_id)))
498
 
        # now fold these trees into a dirstate
499
 
        state = dirstate.DirState.initialize('dirstate')
500
 
        try:
501
 
            state.set_parent_trees(parents, [])
502
 
            state._validate()
503
 
        finally:
504
 
            state.unlock()
505
 
 
506
 
 
507
 
class TestDirStateOnFile(TestCaseWithDirState):
508
 
 
509
 
    def test_construct_with_path(self):
510
 
        tree = self.make_branch_and_tree('tree')
511
 
        state = dirstate.DirState.from_tree(tree, 'dirstate.from_tree')
512
 
        # we want to be able to get the lines of the dirstate that we will
513
 
        # write to disk.
514
 
        lines = state.get_lines()
515
 
        state.unlock()
516
 
        self.build_tree_contents([('dirstate', ''.join(lines))])
517
 
        # get a state object
518
 
        # no parents, default tree content
519
 
        expected_result = ([], [
520
 
            (('', '', tree.path2id('')), # common details
521
 
             # current tree details, but new from_tree skips statting, it
522
 
             # uses set_state_from_inventory, and thus depends on the
523
 
             # inventory state.
524
 
             [('d', '', 0, False, dirstate.DirState.NULLSTAT),
525
 
             ])
526
 
            ])
527
 
        state = dirstate.DirState.on_file('dirstate')
528
 
        state.lock_write() # check_state_with_reopen will save() and unlock it
529
 
        self.check_state_with_reopen(expected_result, state)
530
 
 
531
 
    def test_can_save_clean_on_file(self):
532
 
        tree = self.make_branch_and_tree('tree')
533
 
        state = dirstate.DirState.from_tree(tree, 'dirstate')
534
 
        try:
535
 
            # doing a save should work here as there have been no changes.
536
 
            state.save()
537
 
            # TODO: stat it and check it hasn't changed; may require waiting
538
 
            # for the state accuracy window.
539
 
        finally:
540
 
            state.unlock()
541
 
 
542
 
    def test_can_save_in_read_lock(self):
543
 
        self.build_tree(['a-file'])
544
 
        state = dirstate.DirState.initialize('dirstate')
545
 
        try:
546
 
            # No stat and no sha1 sum.
547
 
            state.add('a-file', 'a-file-id', 'file', None, '')
548
 
            state.save()
549
 
        finally:
550
 
            state.unlock()
551
 
 
552
 
        # Now open in readonly mode
553
 
        state = dirstate.DirState.on_file('dirstate')
554
 
        state.lock_read()
555
 
        try:
556
 
            entry = state._get_entry(0, path_utf8='a-file')
557
 
            # The current sha1 sum should be empty
558
 
            self.assertEqual('', entry[1][0][1])
559
 
            # We should have a real entry.
560
 
            self.assertNotEqual((None, None), entry)
561
 
            sha1sum = state.update_entry(entry, 'a-file', os.lstat('a-file'))
562
 
            # We should have gotten a real sha1
563
 
            self.assertEqual('ecc5374e9ed82ad3ea3b4d452ea995a5fd3e70e3',
564
 
                             sha1sum)
565
 
 
566
 
            # The dirblock has been updated
567
 
            self.assertEqual(sha1sum, entry[1][0][1])
568
 
            self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
569
 
                             state._dirblock_state)
570
 
 
571
 
            del entry
572
 
            # Now, since we are the only one holding a lock, we should be able
573
 
            # to save and have it written to disk
574
 
            state.save()
575
 
        finally:
576
 
            state.unlock()
577
 
 
578
 
        # Re-open the file, and ensure that the state has been updated.
579
 
        state = dirstate.DirState.on_file('dirstate')
580
 
        state.lock_read()
581
 
        try:
582
 
            entry = state._get_entry(0, path_utf8='a-file')
583
 
            self.assertEqual(sha1sum, entry[1][0][1])
584
 
        finally:
585
 
            state.unlock()
586
 
 
587
 
    def test_save_fails_quietly_if_locked(self):
588
 
        """If dirstate is locked, save will fail without complaining."""
589
 
        self.build_tree(['a-file'])
590
 
        state = dirstate.DirState.initialize('dirstate')
591
 
        try:
592
 
            # No stat and no sha1 sum.
593
 
            state.add('a-file', 'a-file-id', 'file', None, '')
594
 
            state.save()
595
 
        finally:
596
 
            state.unlock()
597
 
 
598
 
        state = dirstate.DirState.on_file('dirstate')
599
 
        state.lock_read()
600
 
        try:
601
 
            entry = state._get_entry(0, path_utf8='a-file')
602
 
            sha1sum = state.update_entry(entry, 'a-file', os.lstat('a-file'))
603
 
            # We should have gotten a real sha1
604
 
            self.assertEqual('ecc5374e9ed82ad3ea3b4d452ea995a5fd3e70e3',
605
 
                             sha1sum)
606
 
            self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
607
 
                             state._dirblock_state)
608
 
 
609
 
            # Now, before we try to save, grab another dirstate, and take out a
610
 
            # read lock.
611
 
            # TODO: jam 20070315 Ideally this would be locked by another
612
 
            #       process. To make sure the file is really OS locked.
613
 
            state2 = dirstate.DirState.on_file('dirstate')
614
 
            state2.lock_read()
615
 
            try:
616
 
                # This won't actually write anything, because it couldn't grab
617
 
                # a write lock. But it shouldn't raise an error, either.
618
 
                # TODO: jam 20070315 We should probably distinguish between
619
 
                #       being dirty because of 'update_entry'. And dirty
620
 
                #       because of real modification. So that save() *does*
621
 
                #       raise a real error if it fails when we have real
622
 
                #       modifications.
623
 
                state.save()
624
 
            finally:
625
 
                state2.unlock()
626
 
        finally:
627
 
            state.unlock()
628
 
        
629
 
        # The file on disk should not be modified.
630
 
        state = dirstate.DirState.on_file('dirstate')
631
 
        state.lock_read()
632
 
        try:
633
 
            entry = state._get_entry(0, path_utf8='a-file')
634
 
            self.assertEqual('', entry[1][0][1])
635
 
        finally:
636
 
            state.unlock()
637
 
 
638
 
 
639
 
class TestDirStateInitialize(TestCaseWithDirState):
640
 
 
641
 
    def test_initialize(self):
642
 
        expected_result = ([], [
643
 
            (('', '', 'TREE_ROOT'), # common details
644
 
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
645
 
             ])
646
 
            ])
647
 
        state = dirstate.DirState.initialize('dirstate')
648
 
        try:
649
 
            self.assertIsInstance(state, dirstate.DirState)
650
 
            lines = state.get_lines()
651
 
            self.assertFileEqual(''.join(state.get_lines()),
652
 
                'dirstate')
653
 
            self.check_state_with_reopen(expected_result, state)
654
 
        except:
655
 
            state.unlock()
656
 
            raise
657
 
 
658
 
 
659
 
class TestDirStateManipulations(TestCaseWithDirState):
660
 
 
661
 
    def test_set_state_from_inventory_no_content_no_parents(self):
662
 
        # setting the current inventory is a slow but important api to support.
663
 
        tree1 = self.make_branch_and_memory_tree('tree1')
664
 
        tree1.lock_write()
665
 
        try:
666
 
            tree1.add('')
667
 
            revid1 = tree1.commit('foo').encode('utf8')
668
 
            root_id = tree1.inventory.root.file_id
669
 
            inv = tree1.inventory
670
 
        finally:
671
 
            tree1.unlock()
672
 
        expected_result = [], [
673
 
            (('', '', root_id), [
674
 
             ('d', '', 0, False, dirstate.DirState.NULLSTAT)])]
675
 
        state = dirstate.DirState.initialize('dirstate')
676
 
        try:
677
 
            state.set_state_from_inventory(inv)
678
 
            self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
679
 
                             state._header_state)
680
 
            self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
681
 
                             state._dirblock_state)
682
 
        except:
683
 
            state.unlock()
684
 
            raise
685
 
        else:
686
 
            # This will unlock it
687
 
            self.check_state_with_reopen(expected_result, state)
688
 
 
689
 
    def test_set_path_id_no_parents(self):
690
 
        """The id of a path can be changed trivally with no parents."""
691
 
        state = dirstate.DirState.initialize('dirstate')
692
 
        try:
693
 
            # check precondition to be sure the state does change appropriately.
694
 
            self.assertEqual(
695
 
                [(('', '', 'TREE_ROOT'), [('d', '', 0, False,
696
 
                   'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx')])],
697
 
                list(state._iter_entries()))
698
 
            state.set_path_id('', 'foobarbaz')
699
 
            expected_rows = [
700
 
                (('', '', 'foobarbaz'), [('d', '', 0, False,
701
 
                   'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx')])]
702
 
            self.assertEqual(expected_rows, list(state._iter_entries()))
703
 
            # should work across save too
704
 
            state.save()
705
 
        finally:
706
 
            state.unlock()
707
 
        state = dirstate.DirState.on_file('dirstate')
708
 
        state.lock_read()
709
 
        try:
710
 
            state._validate()
711
 
            self.assertEqual(expected_rows, list(state._iter_entries()))
712
 
        finally:
713
 
            state.unlock()
714
 
 
715
 
    def test_set_path_id_with_parents(self):
716
 
        """Set the root file id in a dirstate with parents"""
717
 
        mt = self.make_branch_and_tree('mt')
718
 
        # in case the default tree format uses a different root id
719
 
        mt.set_root_id('TREE_ROOT')
720
 
        mt.commit('foo', rev_id='parent-revid')
721
 
        rt = mt.branch.repository.revision_tree('parent-revid')
722
 
        state = dirstate.DirState.initialize('dirstate')
723
 
        state._validate()
724
 
        try:
725
 
            state.set_parent_trees([('parent-revid', rt)], ghosts=[])
726
 
            state.set_path_id('', 'foobarbaz')
727
 
            state._validate()
728
 
            # now see that it is what we expected
729
 
            expected_rows = [
730
 
                (('', '', 'TREE_ROOT'),
731
 
                    [('a', '', 0, False, ''),
732
 
                     ('d', '', 0, False, 'parent-revid'),
733
 
                     ]),
734
 
                (('', '', 'foobarbaz'),
735
 
                    [('d', '', 0, False, ''),
736
 
                     ('a', '', 0, False, ''),
737
 
                     ]),
738
 
                ]
739
 
            state._validate()
740
 
            self.assertEqual(expected_rows, list(state._iter_entries()))
741
 
            # should work across save too
742
 
            state.save()
743
 
        finally:
744
 
            state.unlock()
745
 
        # now flush & check we get the same
746
 
        state = dirstate.DirState.on_file('dirstate')
747
 
        state.lock_read()
748
 
        try:
749
 
            state._validate()
750
 
            self.assertEqual(expected_rows, list(state._iter_entries()))
751
 
        finally:
752
 
            state.unlock()
753
 
        # now change within an existing file-backed state
754
 
        state.lock_write()
755
 
        try:
756
 
            state._validate()
757
 
            state.set_path_id('', 'tree-root-2')
758
 
            state._validate()
759
 
        finally:
760
 
            state.unlock()
761
 
 
762
 
 
763
 
    def test_set_parent_trees_no_content(self):
764
 
        # set_parent_trees is a slow but important api to support.
765
 
        tree1 = self.make_branch_and_memory_tree('tree1')
766
 
        tree1.lock_write()
767
 
        try:
768
 
            tree1.add('')
769
 
            revid1 = tree1.commit('foo')
770
 
        finally:
771
 
            tree1.unlock()
772
 
        branch2 = tree1.branch.bzrdir.clone('tree2').open_branch()
773
 
        tree2 = MemoryTree.create_on_branch(branch2)
774
 
        tree2.lock_write()
775
 
        try:
776
 
            revid2 = tree2.commit('foo')
777
 
            root_id = tree2.inventory.root.file_id
778
 
        finally:
779
 
            tree2.unlock()
780
 
        state = dirstate.DirState.initialize('dirstate')
781
 
        try:
782
 
            state.set_path_id('', root_id)
783
 
            state.set_parent_trees(
784
 
                ((revid1, tree1.branch.repository.revision_tree(revid1)),
785
 
                 (revid2, tree2.branch.repository.revision_tree(revid2)),
786
 
                 ('ghost-rev', None)),
787
 
                ['ghost-rev'])
788
 
            # check we can reopen and use the dirstate after setting parent
789
 
            # trees.
790
 
            state._validate()
791
 
            state.save()
792
 
            state._validate()
793
 
        finally:
794
 
            state.unlock()
795
 
        state = dirstate.DirState.on_file('dirstate')
796
 
        state.lock_write()
797
 
        try:
798
 
            self.assertEqual([revid1, revid2, 'ghost-rev'],
799
 
                             state.get_parent_ids())
800
 
            # iterating the entire state ensures that the state is parsable.
801
 
            list(state._iter_entries())
802
 
            # be sure that it sets not appends - change it
803
 
            state.set_parent_trees(
804
 
                ((revid1, tree1.branch.repository.revision_tree(revid1)),
805
 
                 ('ghost-rev', None)),
806
 
                ['ghost-rev'])
807
 
            # and now put it back.
808
 
            state.set_parent_trees(
809
 
                ((revid1, tree1.branch.repository.revision_tree(revid1)),
810
 
                 (revid2, tree2.branch.repository.revision_tree(revid2)),
811
 
                 ('ghost-rev', tree2.branch.repository.revision_tree(None))),
812
 
                ['ghost-rev'])
813
 
            self.assertEqual([revid1, revid2, 'ghost-rev'],
814
 
                             state.get_parent_ids())
815
 
            # the ghost should be recorded as such by set_parent_trees.
816
 
            self.assertEqual(['ghost-rev'], state.get_ghosts())
817
 
            self.assertEqual(
818
 
                [(('', '', root_id), [
819
 
                  ('d', '', 0, False, dirstate.DirState.NULLSTAT),
820
 
                  ('d', '', 0, False, revid1),
821
 
                  ('d', '', 0, False, revid2)
822
 
                  ])],
823
 
                list(state._iter_entries()))
824
 
        finally:
825
 
            state.unlock()
826
 
 
827
 
    def test_set_parent_trees_file_missing_from_tree(self):
828
 
        # Adding a parent tree may reference files not in the current state.
829
 
        # they should get listed just once by id, even if they are in two
830
 
        # separate trees.
831
 
        # set_parent_trees is a slow but important api to support.
832
 
        tree1 = self.make_branch_and_memory_tree('tree1')
833
 
        tree1.lock_write()
834
 
        try:
835
 
            tree1.add('')
836
 
            tree1.add(['a file'], ['file-id'], ['file'])
837
 
            tree1.put_file_bytes_non_atomic('file-id', 'file-content')
838
 
            revid1 = tree1.commit('foo')
839
 
        finally:
840
 
            tree1.unlock()
841
 
        branch2 = tree1.branch.bzrdir.clone('tree2').open_branch()
842
 
        tree2 = MemoryTree.create_on_branch(branch2)
843
 
        tree2.lock_write()
844
 
        try:
845
 
            tree2.put_file_bytes_non_atomic('file-id', 'new file-content')
846
 
            revid2 = tree2.commit('foo')
847
 
            root_id = tree2.inventory.root.file_id
848
 
        finally:
849
 
            tree2.unlock()
850
 
        # check the layout in memory
851
 
        expected_result = [revid1.encode('utf8'), revid2.encode('utf8')], [
852
 
            (('', '', root_id), [
853
 
             ('d', '', 0, False, dirstate.DirState.NULLSTAT),
854
 
             ('d', '', 0, False, revid1.encode('utf8')),
855
 
             ('d', '', 0, False, revid2.encode('utf8'))
856
 
             ]),
857
 
            (('', 'a file', 'file-id'), [
858
 
             ('a', '', 0, False, ''),
859
 
             ('f', '2439573625385400f2a669657a7db6ae7515d371', 12, False,
860
 
              revid1.encode('utf8')),
861
 
             ('f', '542e57dc1cda4af37cb8e55ec07ce60364bb3c7d', 16, False,
862
 
              revid2.encode('utf8'))
863
 
             ])
864
 
            ]
865
 
        state = dirstate.DirState.initialize('dirstate')
866
 
        try:
867
 
            state.set_path_id('', root_id)
868
 
            state.set_parent_trees(
869
 
                ((revid1, tree1.branch.repository.revision_tree(revid1)),
870
 
                 (revid2, tree2.branch.repository.revision_tree(revid2)),
871
 
                 ), [])
872
 
        except:
873
 
            state.unlock()
874
 
            raise
875
 
        else:
876
 
            # check_state_with_reopen will unlock
877
 
            self.check_state_with_reopen(expected_result, state)
878
 
 
879
 
    ### add a path via _set_data - so we dont need delta work, just
880
 
    # raw data in, and ensure that it comes out via get_lines happily.
881
 
 
882
 
    def test_add_path_to_root_no_parents_all_data(self):
883
 
        # The most trivial addition of a path is when there are no parents and
884
 
        # its in the root and all data about the file is supplied
885
 
        self.build_tree(['a file'])
886
 
        stat = os.lstat('a file')
887
 
        # the 1*20 is the sha1 pretend value.
888
 
        state = dirstate.DirState.initialize('dirstate')
889
 
        expected_entries = [
890
 
            (('', '', 'TREE_ROOT'), [
891
 
             ('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
892
 
             ]),
893
 
            (('', 'a file', 'a file id'), [
894
 
             ('f', '1'*20, 19, False, dirstate.pack_stat(stat)), # current tree
895
 
             ]),
896
 
            ]
897
 
        try:
898
 
            state.add('a file', 'a file id', 'file', stat, '1'*20)
899
 
            # having added it, it should be in the output of iter_entries.
900
 
            self.assertEqual(expected_entries, list(state._iter_entries()))
901
 
            # saving and reloading should not affect this.
902
 
            state.save()
903
 
        finally:
904
 
            state.unlock()
905
 
        state = dirstate.DirState.on_file('dirstate')
906
 
        state.lock_read()
907
 
        try:
908
 
            self.assertEqual(expected_entries, list(state._iter_entries()))
909
 
        finally:
910
 
            state.unlock()
911
 
 
912
 
    def test_add_path_to_unversioned_directory(self):
913
 
        """Adding a path to an unversioned directory should error.
914
 
 
915
 
        This is a duplicate of TestWorkingTree.test_add_in_unversioned,
916
 
        once dirstate is stable and if it is merged with WorkingTree3, consider
917
 
        removing this copy of the test.
918
 
        """
919
 
        self.build_tree(['unversioned/', 'unversioned/a file'])
920
 
        state = dirstate.DirState.initialize('dirstate')
921
 
        try:
922
 
            self.assertRaises(errors.NotVersionedError, state.add,
923
 
                'unversioned/a file', 'a file id', 'file', None, None)
924
 
        finally:
925
 
            state.unlock()
926
 
 
927
 
    def test_add_directory_to_root_no_parents_all_data(self):
928
 
        # The most trivial addition of a dir is when there are no parents and
929
 
        # its in the root and all data about the file is supplied
930
 
        self.build_tree(['a dir/'])
931
 
        stat = os.lstat('a dir')
932
 
        expected_entries = [
933
 
            (('', '', 'TREE_ROOT'), [
934
 
             ('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
935
 
             ]),
936
 
            (('', 'a dir', 'a dir id'), [
937
 
             ('d', '', 0, False, dirstate.pack_stat(stat)), # current tree
938
 
             ]),
939
 
            ]
940
 
        state = dirstate.DirState.initialize('dirstate')
941
 
        try:
942
 
            state.add('a dir', 'a dir id', 'directory', stat, None)
943
 
            # having added it, it should be in the output of iter_entries.
944
 
            self.assertEqual(expected_entries, list(state._iter_entries()))
945
 
            # saving and reloading should not affect this.
946
 
            state.save()
947
 
        finally:
948
 
            state.unlock()
949
 
        state = dirstate.DirState.on_file('dirstate')
950
 
        state.lock_read()
951
 
        state._validate()
952
 
        try:
953
 
            self.assertEqual(expected_entries, list(state._iter_entries()))
954
 
        finally:
955
 
            state.unlock()
956
 
 
957
 
    def test_add_symlink_to_root_no_parents_all_data(self):
958
 
        # The most trivial addition of a symlink when there are no parents and
959
 
        # its in the root and all data about the file is supplied
960
 
        # bzr doesn't support fake symlinks on windows, yet.
961
 
        if not has_symlinks():
962
 
            raise TestSkipped("No symlink support")
963
 
        os.symlink('target', 'a link')
964
 
        stat = os.lstat('a link')
965
 
        expected_entries = [
966
 
            (('', '', 'TREE_ROOT'), [
967
 
             ('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
968
 
             ]),
969
 
            (('', 'a link', 'a link id'), [
970
 
             ('l', 'target', 6, False, dirstate.pack_stat(stat)), # current tree
971
 
             ]),
972
 
            ]
973
 
        state = dirstate.DirState.initialize('dirstate')
974
 
        try:
975
 
            state.add('a link', 'a link id', 'symlink', stat, 'target')
976
 
            # having added it, it should be in the output of iter_entries.
977
 
            self.assertEqual(expected_entries, list(state._iter_entries()))
978
 
            # saving and reloading should not affect this.
979
 
            state.save()
980
 
        finally:
981
 
            state.unlock()
982
 
        state = dirstate.DirState.on_file('dirstate')
983
 
        state.lock_read()
984
 
        try:
985
 
            self.assertEqual(expected_entries, list(state._iter_entries()))
986
 
        finally:
987
 
            state.unlock()
988
 
 
989
 
    def test_add_directory_and_child_no_parents_all_data(self):
990
 
        # after adding a directory, we should be able to add children to it.
991
 
        self.build_tree(['a dir/', 'a dir/a file'])
992
 
        dirstat = os.lstat('a dir')
993
 
        filestat = os.lstat('a dir/a file')
994
 
        expected_entries = [
995
 
            (('', '', 'TREE_ROOT'), [
996
 
             ('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
997
 
             ]),
998
 
            (('', 'a dir', 'a dir id'), [
999
 
             ('d', '', 0, False, dirstate.pack_stat(dirstat)), # current tree
1000
 
             ]),
1001
 
            (('a dir', 'a file', 'a file id'), [
1002
 
             ('f', '1'*20, 25, False,
1003
 
              dirstate.pack_stat(filestat)), # current tree details
1004
 
             ]),
1005
 
            ]
1006
 
        state = dirstate.DirState.initialize('dirstate')
1007
 
        try:
1008
 
            state.add('a dir', 'a dir id', 'directory', dirstat, None)
1009
 
            state.add('a dir/a file', 'a file id', 'file', filestat, '1'*20)
1010
 
            # added it, it should be in the output of iter_entries.
1011
 
            self.assertEqual(expected_entries, list(state._iter_entries()))
1012
 
            # saving and reloading should not affect this.
1013
 
            state.save()
1014
 
        finally:
1015
 
            state.unlock()
1016
 
        state = dirstate.DirState.on_file('dirstate')
1017
 
        state.lock_read()
1018
 
        try:
1019
 
            self.assertEqual(expected_entries, list(state._iter_entries()))
1020
 
        finally:
1021
 
            state.unlock()
1022
 
 
1023
 
    def test_add_tree_reference(self):
1024
 
        # make a dirstate and add a tree reference
1025
 
        state = dirstate.DirState.initialize('dirstate')
1026
 
        expected_entry = (
1027
 
            ('', 'subdir', 'subdir-id'),
1028
 
            [('t', 'subtree-123123', 0, False,
1029
 
              'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx')],
1030
 
            )
1031
 
        try:
1032
 
            state.add('subdir', 'subdir-id', 'tree-reference', None, 'subtree-123123')
1033
 
            entry = state._get_entry(0, 'subdir-id', 'subdir')
1034
 
            self.assertEqual(entry, expected_entry)
1035
 
            state._validate()
1036
 
            state.save()
1037
 
        finally:
1038
 
            state.unlock()
1039
 
        # now check we can read it back
1040
 
        state.lock_read()
1041
 
        state._validate()
1042
 
        try:
1043
 
            entry2 = state._get_entry(0, 'subdir-id', 'subdir')
1044
 
            self.assertEqual(entry, entry2)
1045
 
            self.assertEqual(entry, expected_entry)
1046
 
            # and lookup by id should work too
1047
 
            entry2 = state._get_entry(0, fileid_utf8='subdir-id')
1048
 
            self.assertEqual(entry, expected_entry)
1049
 
        finally:
1050
 
            state.unlock()
1051
 
 
1052
 
    def test_add_forbidden_names(self):
1053
 
        state = dirstate.DirState.initialize('dirstate')
1054
 
        self.addCleanup(state.unlock)
1055
 
        self.assertRaises(errors.BzrError,
1056
 
            state.add, '.', 'ass-id', 'directory', None, None)
1057
 
        self.assertRaises(errors.BzrError,
1058
 
            state.add, '..', 'ass-id', 'directory', None, None)
1059
 
 
1060
 
 
1061
 
class TestGetLines(TestCaseWithDirState):
1062
 
 
1063
 
    def test_get_line_with_2_rows(self):
1064
 
        state = self.create_dirstate_with_root_and_subdir()
1065
 
        try:
1066
 
            self.assertEqual(['#bazaar dirstate flat format 3\n',
1067
 
                'crc32: 41262208\n',
1068
 
                'num_entries: 2\n',
1069
 
                '0\x00\n\x00'
1070
 
                '0\x00\n\x00'
1071
 
                '\x00\x00a-root-value\x00'
1072
 
                'd\x00\x000\x00n\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk\x00\n\x00'
1073
 
                '\x00subdir\x00subdir-id\x00'
1074
 
                'd\x00\x000\x00n\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk\x00\n\x00'
1075
 
                ], state.get_lines())
1076
 
        finally:
1077
 
            state.unlock()
1078
 
 
1079
 
    def test_entry_to_line(self):
1080
 
        state = self.create_dirstate_with_root()
1081
 
        try:
1082
 
            self.assertEqual(
1083
 
                '\x00\x00a-root-value\x00d\x00\x000\x00n'
1084
 
                '\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk',
1085
 
                state._entry_to_line(state._dirblocks[0][1][0]))
1086
 
        finally:
1087
 
            state.unlock()
1088
 
 
1089
 
    def test_entry_to_line_with_parent(self):
1090
 
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
1091
 
        root_entry = ('', '', 'a-root-value'), [
1092
 
            ('d', '', 0, False, packed_stat), # current tree details
1093
 
             # first: a pointer to the current location
1094
 
            ('a', 'dirname/basename', 0, False, ''),
1095
 
            ]
1096
 
        state = dirstate.DirState.initialize('dirstate')
1097
 
        try:
1098
 
            self.assertEqual(
1099
 
                '\x00\x00a-root-value\x00'
1100
 
                'd\x00\x000\x00n\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk\x00'
1101
 
                'a\x00dirname/basename\x000\x00n\x00',
1102
 
                state._entry_to_line(root_entry))
1103
 
        finally:
1104
 
            state.unlock()
1105
 
 
1106
 
    def test_entry_to_line_with_two_parents_at_different_paths(self):
1107
 
        # / in the tree, at / in one parent and /dirname/basename in the other.
1108
 
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
1109
 
        root_entry = ('', '', 'a-root-value'), [
1110
 
            ('d', '', 0, False, packed_stat), # current tree details
1111
 
            ('d', '', 0, False, 'rev_id'), # first parent details
1112
 
             # second: a pointer to the current location
1113
 
            ('a', 'dirname/basename', 0, False, ''),
1114
 
            ]
1115
 
        state = dirstate.DirState.initialize('dirstate')
1116
 
        try:
1117
 
            self.assertEqual(
1118
 
                '\x00\x00a-root-value\x00'
1119
 
                'd\x00\x000\x00n\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk\x00'
1120
 
                'd\x00\x000\x00n\x00rev_id\x00'
1121
 
                'a\x00dirname/basename\x000\x00n\x00',
1122
 
                state._entry_to_line(root_entry))
1123
 
        finally:
1124
 
            state.unlock()
1125
 
 
1126
 
    def test_iter_entries(self):
1127
 
        # we should be able to iterate the dirstate entries from end to end
1128
 
        # this is for get_lines to be easy to read.
1129
 
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
1130
 
        dirblocks = []
1131
 
        root_entries = [(('', '', 'a-root-value'), [
1132
 
            ('d', '', 0, False, packed_stat), # current tree details
1133
 
            ])]
1134
 
        dirblocks.append(('', root_entries))
1135
 
        # add two files in the root
1136
 
        subdir_entry = ('', 'subdir', 'subdir-id'), [
1137
 
            ('d', '', 0, False, packed_stat), # current tree details
1138
 
            ]
1139
 
        afile_entry = ('', 'afile', 'afile-id'), [
1140
 
            ('f', 'sha1value', 34, False, packed_stat), # current tree details
1141
 
            ]
1142
 
        dirblocks.append(('', [subdir_entry, afile_entry]))
1143
 
        # and one in subdir
1144
 
        file_entry2 = ('subdir', '2file', '2file-id'), [
1145
 
            ('f', 'sha1value', 23, False, packed_stat), # current tree details
1146
 
            ]
1147
 
        dirblocks.append(('subdir', [file_entry2]))
1148
 
        state = dirstate.DirState.initialize('dirstate')
1149
 
        try:
1150
 
            state._set_data([], dirblocks)
1151
 
            expected_entries = [root_entries[0], subdir_entry, afile_entry,
1152
 
                                file_entry2]
1153
 
            self.assertEqual(expected_entries, list(state._iter_entries()))
1154
 
        finally:
1155
 
            state.unlock()
1156
 
 
1157
 
 
1158
 
class TestGetBlockRowIndex(TestCaseWithDirState):
1159
 
 
1160
 
    def assertBlockRowIndexEqual(self, block_index, row_index, dir_present,
1161
 
        file_present, state, dirname, basename, tree_index):
1162
 
        self.assertEqual((block_index, row_index, dir_present, file_present),
1163
 
            state._get_block_entry_index(dirname, basename, tree_index))
1164
 
        if dir_present:
1165
 
            block = state._dirblocks[block_index]
1166
 
            self.assertEqual(dirname, block[0])
1167
 
        if dir_present and file_present:
1168
 
            row = state._dirblocks[block_index][1][row_index]
1169
 
            self.assertEqual(dirname, row[0][0])
1170
 
            self.assertEqual(basename, row[0][1])
1171
 
 
1172
 
    def test_simple_structure(self):
1173
 
        state = self.create_dirstate_with_root_and_subdir()
1174
 
        self.addCleanup(state.unlock)
1175
 
        self.assertBlockRowIndexEqual(1, 0, True, True, state, '', 'subdir', 0)
1176
 
        self.assertBlockRowIndexEqual(1, 0, True, False, state, '', 'bdir', 0)
1177
 
        self.assertBlockRowIndexEqual(1, 1, True, False, state, '', 'zdir', 0)
1178
 
        self.assertBlockRowIndexEqual(2, 0, False, False, state, 'a', 'foo', 0)
1179
 
        self.assertBlockRowIndexEqual(2, 0, False, False, state,
1180
 
                                      'subdir', 'foo', 0)
1181
 
 
1182
 
    def test_complex_structure_exists(self):
1183
 
        state = self.create_complex_dirstate()
1184
 
        self.addCleanup(state.unlock)
1185
 
        # Make sure we can find everything that exists
1186
 
        self.assertBlockRowIndexEqual(0, 0, True, True, state, '', '', 0)
1187
 
        self.assertBlockRowIndexEqual(1, 0, True, True, state, '', 'a', 0)
1188
 
        self.assertBlockRowIndexEqual(1, 1, True, True, state, '', 'b', 0)
1189
 
        self.assertBlockRowIndexEqual(1, 2, True, True, state, '', 'c', 0)
1190
 
        self.assertBlockRowIndexEqual(1, 3, True, True, state, '', 'd', 0)
1191
 
        self.assertBlockRowIndexEqual(2, 0, True, True, state, 'a', 'e', 0)
1192
 
        self.assertBlockRowIndexEqual(2, 1, True, True, state, 'a', 'f', 0)
1193
 
        self.assertBlockRowIndexEqual(3, 0, True, True, state, 'b', 'g', 0)
1194
 
        self.assertBlockRowIndexEqual(3, 1, True, True, state,
1195
 
                                      'b', 'h\xc3\xa5', 0)
1196
 
 
1197
 
    def test_complex_structure_missing(self):
1198
 
        state = self.create_complex_dirstate()
1199
 
        self.addCleanup(state.unlock)
1200
 
        # Make sure things would be inserted in the right locations
1201
 
        # '_' comes before 'a'
1202
 
        self.assertBlockRowIndexEqual(0, 0, True, True, state, '', '', 0)
1203
 
        self.assertBlockRowIndexEqual(1, 0, True, False, state, '', '_', 0)
1204
 
        self.assertBlockRowIndexEqual(1, 1, True, False, state, '', 'aa', 0)
1205
 
        self.assertBlockRowIndexEqual(1, 4, True, False, state,
1206
 
                                      '', 'h\xc3\xa5', 0)
1207
 
        self.assertBlockRowIndexEqual(2, 0, False, False, state, '_', 'a', 0)
1208
 
        self.assertBlockRowIndexEqual(3, 0, False, False, state, 'aa', 'a', 0)
1209
 
        self.assertBlockRowIndexEqual(4, 0, False, False, state, 'bb', 'a', 0)
1210
 
        # This would be inserted between a/ and b/
1211
 
        self.assertBlockRowIndexEqual(3, 0, False, False, state, 'a/e', 'a', 0)
1212
 
        # Put at the end
1213
 
        self.assertBlockRowIndexEqual(4, 0, False, False, state, 'e', 'a', 0)
1214
 
 
1215
 
 
1216
 
class TestGetEntry(TestCaseWithDirState):
1217
 
 
1218
 
    def assertEntryEqual(self, dirname, basename, file_id, state, path, index):
1219
 
        """Check that the right entry is returned for a request to getEntry."""
1220
 
        entry = state._get_entry(index, path_utf8=path)
1221
 
        if file_id is None:
1222
 
            self.assertEqual((None, None), entry)
1223
 
        else:
1224
 
            cur = entry[0]
1225
 
            self.assertEqual((dirname, basename, file_id), cur[:3])
1226
 
 
1227
 
    def test_simple_structure(self):
1228
 
        state = self.create_dirstate_with_root_and_subdir()
1229
 
        self.addCleanup(state.unlock)
1230
 
        self.assertEntryEqual('', '', 'a-root-value', state, '', 0)
1231
 
        self.assertEntryEqual('', 'subdir', 'subdir-id', state, 'subdir', 0)
1232
 
        self.assertEntryEqual(None, None, None, state, 'missing', 0)
1233
 
        self.assertEntryEqual(None, None, None, state, 'missing/foo', 0)
1234
 
        self.assertEntryEqual(None, None, None, state, 'subdir/foo', 0)
1235
 
 
1236
 
    def test_complex_structure_exists(self):
1237
 
        state = self.create_complex_dirstate()
1238
 
        self.addCleanup(state.unlock)
1239
 
        self.assertEntryEqual('', '', 'a-root-value', state, '', 0)
1240
 
        self.assertEntryEqual('', 'a', 'a-dir', state, 'a', 0)
1241
 
        self.assertEntryEqual('', 'b', 'b-dir', state, 'b', 0)
1242
 
        self.assertEntryEqual('', 'c', 'c-file', state, 'c', 0)
1243
 
        self.assertEntryEqual('', 'd', 'd-file', state, 'd', 0)
1244
 
        self.assertEntryEqual('a', 'e', 'e-dir', state, 'a/e', 0)
1245
 
        self.assertEntryEqual('a', 'f', 'f-file', state, 'a/f', 0)
1246
 
        self.assertEntryEqual('b', 'g', 'g-file', state, 'b/g', 0)
1247
 
        self.assertEntryEqual('b', 'h\xc3\xa5', 'h-\xc3\xa5-file', state,
1248
 
                              'b/h\xc3\xa5', 0)
1249
 
 
1250
 
    def test_complex_structure_missing(self):
1251
 
        state = self.create_complex_dirstate()
1252
 
        self.addCleanup(state.unlock)
1253
 
        self.assertEntryEqual(None, None, None, state, '_', 0)
1254
 
        self.assertEntryEqual(None, None, None, state, '_\xc3\xa5', 0)
1255
 
        self.assertEntryEqual(None, None, None, state, 'a/b', 0)
1256
 
        self.assertEntryEqual(None, None, None, state, 'c/d', 0)
1257
 
 
1258
 
    def test_get_entry_uninitialized(self):
1259
 
        """Calling get_entry will load data if it needs to"""
1260
 
        state = self.create_dirstate_with_root()
1261
 
        try:
1262
 
            state.save()
1263
 
        finally:
1264
 
            state.unlock()
1265
 
        del state
1266
 
        state = dirstate.DirState.on_file('dirstate')
1267
 
        state.lock_read()
1268
 
        try:
1269
 
            self.assertEqual(dirstate.DirState.NOT_IN_MEMORY,
1270
 
                             state._header_state)
1271
 
            self.assertEqual(dirstate.DirState.NOT_IN_MEMORY,
1272
 
                             state._dirblock_state)
1273
 
            self.assertEntryEqual('', '', 'a-root-value', state, '', 0)
1274
 
        finally:
1275
 
            state.unlock()
1276
 
 
1277
 
 
1278
 
class TestDirstateSortOrder(TestCaseWithTransport):
1279
 
    """Test that DirState adds entries in the right order."""
1280
 
 
1281
 
    def test_add_sorting(self):
1282
 
        """Add entries in lexicographical order, we get path sorted order.
1283
 
 
1284
 
        This tests it to a depth of 4, to make sure we don't just get it right
1285
 
        at a single depth. 'a/a' should come before 'a-a', even though it
1286
 
        doesn't lexicographically.
1287
 
        """
1288
 
        dirs = ['a', 'a/a', 'a/a/a', 'a/a/a/a',
1289
 
                'a-a', 'a/a-a', 'a/a/a-a', 'a/a/a/a-a',
1290
 
               ]
1291
 
        null_sha = ''
1292
 
        state = dirstate.DirState.initialize('dirstate')
1293
 
        self.addCleanup(state.unlock)
1294
 
 
1295
 
        fake_stat = os.stat('dirstate')
1296
 
        for d in dirs:
1297
 
            d_id = d.replace('/', '_')+'-id'
1298
 
            file_path = d + '/f'
1299
 
            file_id = file_path.replace('/', '_')+'-id'
1300
 
            state.add(d, d_id, 'directory', fake_stat, null_sha)
1301
 
            state.add(file_path, file_id, 'file', fake_stat, null_sha)
1302
 
 
1303
 
        expected = ['', '', 'a',
1304
 
                'a/a', 'a/a/a', 'a/a/a/a',
1305
 
                'a/a/a/a-a', 'a/a/a-a', 'a/a-a', 'a-a',
1306
 
               ]
1307
 
        split = lambda p:p.split('/')
1308
 
        self.assertEqual(sorted(expected, key=split), expected)
1309
 
        dirblock_names = [d[0] for d in state._dirblocks]
1310
 
        self.assertEqual(expected, dirblock_names)
1311
 
 
1312
 
    def test_set_parent_trees_correct_order(self):
1313
 
        """After calling set_parent_trees() we should maintain the order."""
1314
 
        dirs = ['a', 'a-a', 'a/a']
1315
 
        null_sha = ''
1316
 
        state = dirstate.DirState.initialize('dirstate')
1317
 
        self.addCleanup(state.unlock)
1318
 
 
1319
 
        fake_stat = os.stat('dirstate')
1320
 
        for d in dirs:
1321
 
            d_id = d.replace('/', '_')+'-id'
1322
 
            file_path = d + '/f'
1323
 
            file_id = file_path.replace('/', '_')+'-id'
1324
 
            state.add(d, d_id, 'directory', fake_stat, null_sha)
1325
 
            state.add(file_path, file_id, 'file', fake_stat, null_sha)
1326
 
 
1327
 
        expected = ['', '', 'a', 'a/a', 'a-a']
1328
 
        dirblock_names = [d[0] for d in state._dirblocks]
1329
 
        self.assertEqual(expected, dirblock_names)
1330
 
 
1331
 
        # *really* cheesy way to just get an empty tree
1332
 
        repo = self.make_repository('repo')
1333
 
        empty_tree = repo.revision_tree(None)
1334
 
        state.set_parent_trees([('null:', empty_tree)], [])
1335
 
 
1336
 
        dirblock_names = [d[0] for d in state._dirblocks]
1337
 
        self.assertEqual(expected, dirblock_names)
1338
 
 
1339
 
 
1340
 
class InstrumentedDirState(dirstate.DirState):
1341
 
    """An DirState with instrumented sha1 functionality."""
1342
 
 
1343
 
    def __init__(self, path):
1344
 
        super(InstrumentedDirState, self).__init__(path)
1345
 
        self._time_offset = 0
1346
 
        self._log = []
1347
 
 
1348
 
    def _sha_cutoff_time(self):
1349
 
        timestamp = super(InstrumentedDirState, self)._sha_cutoff_time()
1350
 
        self._cutoff_time = timestamp + self._time_offset
1351
 
 
1352
 
    def _sha1_file(self, abspath, entry):
1353
 
        self._log.append(('sha1', abspath))
1354
 
        return super(InstrumentedDirState, self)._sha1_file(abspath, entry)
1355
 
 
1356
 
    def _read_link(self, abspath, old_link):
1357
 
        self._log.append(('read_link', abspath, old_link))
1358
 
        return super(InstrumentedDirState, self)._read_link(abspath, old_link)
1359
 
 
1360
 
    def _lstat(self, abspath, entry):
1361
 
        self._log.append(('lstat', abspath))
1362
 
        return super(InstrumentedDirState, self)._lstat(abspath, entry)
1363
 
 
1364
 
    def _is_executable(self, mode, old_executable):
1365
 
        self._log.append(('is_exec', mode, old_executable))
1366
 
        return super(InstrumentedDirState, self)._is_executable(mode,
1367
 
                                                                old_executable)
1368
 
 
1369
 
    def adjust_time(self, secs):
1370
 
        """Move the clock forward or back.
1371
 
 
1372
 
        :param secs: The amount to adjust the clock by. Positive values make it
1373
 
        seem as if we are in the future, negative values make it seem like we
1374
 
        are in the past.
1375
 
        """
1376
 
        self._time_offset += secs
1377
 
        self._cutoff_time = None
1378
 
 
1379
 
 
1380
 
class _FakeStat(object):
1381
 
    """A class with the same attributes as a real stat result."""
1382
 
 
1383
 
    def __init__(self, size, mtime, ctime, dev, ino, mode):
1384
 
        self.st_size = size
1385
 
        self.st_mtime = mtime
1386
 
        self.st_ctime = ctime
1387
 
        self.st_dev = dev
1388
 
        self.st_ino = ino
1389
 
        self.st_mode = mode
1390
 
 
1391
 
 
1392
 
class TestUpdateEntry(TestCaseWithDirState):
1393
 
    """Test the DirState.update_entry functions"""
1394
 
 
1395
 
    def get_state_with_a(self):
1396
 
        """Create a DirState tracking a single object named 'a'"""
1397
 
        state = InstrumentedDirState.initialize('dirstate')
1398
 
        self.addCleanup(state.unlock)
1399
 
        state.add('a', 'a-id', 'file', None, '')
1400
 
        entry = state._get_entry(0, path_utf8='a')
1401
 
        return state, entry
1402
 
 
1403
 
    def test_update_entry(self):
1404
 
        state, entry = self.get_state_with_a()
1405
 
        self.build_tree(['a'])
1406
 
        # Add one where we don't provide the stat or sha already
1407
 
        self.assertEqual(('', 'a', 'a-id'), entry[0])
1408
 
        self.assertEqual([('f', '', 0, False, dirstate.DirState.NULLSTAT)],
1409
 
                         entry[1])
1410
 
        # Flush the buffers to disk
1411
 
        state.save()
1412
 
        self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
1413
 
                         state._dirblock_state)
1414
 
 
1415
 
        stat_value = os.lstat('a')
1416
 
        packed_stat = dirstate.pack_stat(stat_value)
1417
 
        link_or_sha1 = state.update_entry(entry, abspath='a',
1418
 
                                          stat_value=stat_value)
1419
 
        self.assertEqual('b50e5406bb5e153ebbeb20268fcf37c87e1ecfb6',
1420
 
                         link_or_sha1)
1421
 
 
1422
 
        # The dirblock entry should be updated with the new info
1423
 
        self.assertEqual([('f', link_or_sha1, 14, False, packed_stat)],
1424
 
                         entry[1])
1425
 
        self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
1426
 
                         state._dirblock_state)
1427
 
        mode = stat_value.st_mode
1428
 
        self.assertEqual([('sha1', 'a'), ('is_exec', mode, False)], state._log)
1429
 
 
1430
 
        state.save()
1431
 
        self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
1432
 
                         state._dirblock_state)
1433
 
 
1434
 
        # If we do it again right away, we don't know if the file has changed
1435
 
        # so we will re-read the file. Roll the clock back so the file is
1436
 
        # guaranteed to look too new.
1437
 
        state.adjust_time(-10)
1438
 
 
1439
 
        link_or_sha1 = state.update_entry(entry, abspath='a',
1440
 
                                          stat_value=stat_value)
1441
 
        self.assertEqual([('sha1', 'a'), ('is_exec', mode, False),
1442
 
                          ('sha1', 'a'), ('is_exec', mode, False),
1443
 
                         ], state._log)
1444
 
        self.assertEqual('b50e5406bb5e153ebbeb20268fcf37c87e1ecfb6',
1445
 
                         link_or_sha1)
1446
 
        self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
1447
 
                         state._dirblock_state)
1448
 
        state.save()
1449
 
 
1450
 
        # However, if we move the clock forward so the file is considered
1451
 
        # "stable", it should just returned the cached value.
1452
 
        state.adjust_time(20)
1453
 
        link_or_sha1 = state.update_entry(entry, abspath='a',
1454
 
                                          stat_value=stat_value)
1455
 
        self.assertEqual('b50e5406bb5e153ebbeb20268fcf37c87e1ecfb6',
1456
 
                         link_or_sha1)
1457
 
        self.assertEqual([('sha1', 'a'), ('is_exec', mode, False),
1458
 
                          ('sha1', 'a'), ('is_exec', mode, False),
1459
 
                         ], state._log)
1460
 
 
1461
 
    def test_update_entry_no_stat_value(self):
1462
 
        """Passing the stat_value is optional."""
1463
 
        state, entry = self.get_state_with_a()
1464
 
        state.adjust_time(-10) # Make sure the file looks new
1465
 
        self.build_tree(['a'])
1466
 
        # Add one where we don't provide the stat or sha already
1467
 
        link_or_sha1 = state.update_entry(entry, abspath='a')
1468
 
        self.assertEqual('b50e5406bb5e153ebbeb20268fcf37c87e1ecfb6',
1469
 
                         link_or_sha1)
1470
 
        stat_value = os.lstat('a')
1471
 
        self.assertEqual([('lstat', 'a'), ('sha1', 'a'),
1472
 
                          ('is_exec', stat_value.st_mode, False),
1473
 
                         ], state._log)
1474
 
 
1475
 
    def test_update_entry_symlink(self):
1476
 
        """Update entry should read symlinks."""
1477
 
        if not osutils.has_symlinks():
1478
 
            # PlatformDeficiency / TestSkipped
1479
 
            raise TestSkipped("No symlink support")
1480
 
        state, entry = self.get_state_with_a()
1481
 
        state.save()
1482
 
        self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
1483
 
                         state._dirblock_state)
1484
 
        os.symlink('target', 'a')
1485
 
 
1486
 
        state.adjust_time(-10) # Make the symlink look new
1487
 
        stat_value = os.lstat('a')
1488
 
        packed_stat = dirstate.pack_stat(stat_value)
1489
 
        link_or_sha1 = state.update_entry(entry, abspath='a',
1490
 
                                          stat_value=stat_value)
1491
 
        self.assertEqual('target', link_or_sha1)
1492
 
        self.assertEqual([('read_link', 'a', '')], state._log)
1493
 
        # Dirblock is updated
1494
 
        self.assertEqual([('l', link_or_sha1, 6, False, packed_stat)],
1495
 
                         entry[1])
1496
 
        self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
1497
 
                         state._dirblock_state)
1498
 
 
1499
 
        # Because the stat_value looks new, we should re-read the target
1500
 
        link_or_sha1 = state.update_entry(entry, abspath='a',
1501
 
                                          stat_value=stat_value)
1502
 
        self.assertEqual('target', link_or_sha1)
1503
 
        self.assertEqual([('read_link', 'a', ''),
1504
 
                          ('read_link', 'a', 'target'),
1505
 
                         ], state._log)
1506
 
        state.adjust_time(+20) # Skip into the future, all files look old
1507
 
        link_or_sha1 = state.update_entry(entry, abspath='a',
1508
 
                                          stat_value=stat_value)
1509
 
        self.assertEqual('target', link_or_sha1)
1510
 
        # There should not be a new read_link call.
1511
 
        # (this is a weak assertion, because read_link is fairly inexpensive,
1512
 
        # versus the number of symlinks that we would have)
1513
 
        self.assertEqual([('read_link', 'a', ''),
1514
 
                          ('read_link', 'a', 'target'),
1515
 
                         ], state._log)
1516
 
 
1517
 
    def test_update_entry_dir(self):
1518
 
        state, entry = self.get_state_with_a()
1519
 
        self.build_tree(['a/'])
1520
 
        self.assertIs(None, state.update_entry(entry, 'a'))
1521
 
 
1522
 
    def create_and_test_file(self, state, entry):
1523
 
        """Create a file at 'a' and verify the state finds it.
1524
 
 
1525
 
        The state should already be versioning *something* at 'a'. This makes
1526
 
        sure that state.update_entry recognizes it as a file.
1527
 
        """
1528
 
        self.build_tree(['a'])
1529
 
        stat_value = os.lstat('a')
1530
 
        packed_stat = dirstate.pack_stat(stat_value)
1531
 
 
1532
 
        link_or_sha1 = state.update_entry(entry, abspath='a')
1533
 
        self.assertEqual('b50e5406bb5e153ebbeb20268fcf37c87e1ecfb6',
1534
 
                         link_or_sha1)
1535
 
        self.assertEqual([('f', link_or_sha1, 14, False, packed_stat)],
1536
 
                         entry[1])
1537
 
        return packed_stat
1538
 
 
1539
 
    def create_and_test_dir(self, state, entry):
1540
 
        """Create a directory at 'a' and verify the state finds it.
1541
 
 
1542
 
        The state should already be versioning *something* at 'a'. This makes
1543
 
        sure that state.update_entry recognizes it as a directory.
1544
 
        """
1545
 
        self.build_tree(['a/'])
1546
 
        stat_value = os.lstat('a')
1547
 
        packed_stat = dirstate.pack_stat(stat_value)
1548
 
 
1549
 
        link_or_sha1 = state.update_entry(entry, abspath='a')
1550
 
        self.assertIs(None, link_or_sha1)
1551
 
        self.assertEqual([('d', '', 0, False, packed_stat)], entry[1])
1552
 
 
1553
 
        return packed_stat
1554
 
 
1555
 
    def create_and_test_symlink(self, state, entry):
1556
 
        """Create a symlink at 'a' and verify the state finds it.
1557
 
 
1558
 
        The state should already be versioning *something* at 'a'. This makes
1559
 
        sure that state.update_entry recognizes it as a symlink.
1560
 
 
1561
 
        This should not be called if this platform does not have symlink
1562
 
        support.
1563
 
        """
1564
 
        # caller should care about skipping test on platforms without symlinks
1565
 
        os.symlink('path/to/foo', 'a')
1566
 
 
1567
 
        stat_value = os.lstat('a')
1568
 
        packed_stat = dirstate.pack_stat(stat_value)
1569
 
 
1570
 
        link_or_sha1 = state.update_entry(entry, abspath='a')
1571
 
        self.assertEqual('path/to/foo', link_or_sha1)
1572
 
        self.assertEqual([('l', 'path/to/foo', 11, False, packed_stat)],
1573
 
                         entry[1])
1574
 
        return packed_stat
1575
 
 
1576
 
    def test_update_missing_file(self):
1577
 
        state, entry = self.get_state_with_a()
1578
 
        packed_stat = self.create_and_test_file(state, entry)
1579
 
        # Now if we delete the file, update_entry should recover and
1580
 
        # return None.
1581
 
        os.remove('a')
1582
 
        self.assertIs(None, state.update_entry(entry, abspath='a'))
1583
 
        # And the record shouldn't be changed.
1584
 
        digest = 'b50e5406bb5e153ebbeb20268fcf37c87e1ecfb6'
1585
 
        self.assertEqual([('f', digest, 14, False, packed_stat)],
1586
 
                         entry[1])
1587
 
 
1588
 
    def test_update_missing_dir(self):
1589
 
        state, entry = self.get_state_with_a()
1590
 
        packed_stat = self.create_and_test_dir(state, entry)
1591
 
        # Now if we delete the directory, update_entry should recover and
1592
 
        # return None.
1593
 
        os.rmdir('a')
1594
 
        self.assertIs(None, state.update_entry(entry, abspath='a'))
1595
 
        self.assertEqual([('d', '', 0, False, packed_stat)], entry[1])
1596
 
 
1597
 
    def test_update_missing_symlink(self):
1598
 
        if not osutils.has_symlinks():
1599
 
            # PlatformDeficiency / TestSkipped
1600
 
            raise TestSkipped("No symlink support")
1601
 
        state, entry = self.get_state_with_a()
1602
 
        packed_stat = self.create_and_test_symlink(state, entry)
1603
 
        os.remove('a')
1604
 
        self.assertIs(None, state.update_entry(entry, abspath='a'))
1605
 
        # And the record shouldn't be changed.
1606
 
        self.assertEqual([('l', 'path/to/foo', 11, False, packed_stat)],
1607
 
                         entry[1])
1608
 
 
1609
 
    def test_update_file_to_dir(self):
1610
 
        """If a file changes to a directory we return None for the sha.
1611
 
        We also update the inventory record.
1612
 
        """
1613
 
        state, entry = self.get_state_with_a()
1614
 
        self.create_and_test_file(state, entry)
1615
 
        os.remove('a')
1616
 
        self.create_and_test_dir(state, entry)
1617
 
 
1618
 
    def test_update_file_to_symlink(self):
1619
 
        """File becomes a symlink"""
1620
 
        if not osutils.has_symlinks():
1621
 
            # PlatformDeficiency / TestSkipped
1622
 
            raise TestSkipped("No symlink support")
1623
 
        state, entry = self.get_state_with_a()
1624
 
        self.create_and_test_file(state, entry)
1625
 
        os.remove('a')
1626
 
        self.create_and_test_symlink(state, entry)
1627
 
 
1628
 
    def test_update_dir_to_file(self):
1629
 
        """Directory becoming a file updates the entry."""
1630
 
        state, entry = self.get_state_with_a()
1631
 
        self.create_and_test_dir(state, entry)
1632
 
        os.rmdir('a')
1633
 
        self.create_and_test_file(state, entry)
1634
 
 
1635
 
    def test_update_dir_to_symlink(self):
1636
 
        """Directory becomes a symlink"""
1637
 
        if not osutils.has_symlinks():
1638
 
            # PlatformDeficiency / TestSkipped
1639
 
            raise TestSkipped("No symlink support")
1640
 
        state, entry = self.get_state_with_a()
1641
 
        self.create_and_test_dir(state, entry)
1642
 
        os.rmdir('a')
1643
 
        self.create_and_test_symlink(state, entry)
1644
 
 
1645
 
    def test_update_symlink_to_file(self):
1646
 
        """Symlink becomes a file"""
1647
 
        if not has_symlinks():
1648
 
            raise TestSkipped("No symlink support")
1649
 
        state, entry = self.get_state_with_a()
1650
 
        self.create_and_test_symlink(state, entry)
1651
 
        os.remove('a')
1652
 
        self.create_and_test_file(state, entry)
1653
 
 
1654
 
    def test_update_symlink_to_dir(self):
1655
 
        """Symlink becomes a directory"""
1656
 
        if not has_symlinks():
1657
 
            raise TestSkipped("No symlink support")
1658
 
        state, entry = self.get_state_with_a()
1659
 
        self.create_and_test_symlink(state, entry)
1660
 
        os.remove('a')
1661
 
        self.create_and_test_dir(state, entry)
1662
 
 
1663
 
    def test__is_executable_win32(self):
1664
 
        state, entry = self.get_state_with_a()
1665
 
        self.build_tree(['a'])
1666
 
 
1667
 
        # Make sure we are using the win32 implementation of _is_executable
1668
 
        state._is_executable = state._is_executable_win32
1669
 
 
1670
 
        # The file on disk is not executable, but we are marking it as though
1671
 
        # it is. With _is_executable_win32 we ignore what is on disk.
1672
 
        entry[1][0] = ('f', '', 0, True, dirstate.DirState.NULLSTAT)
1673
 
 
1674
 
        stat_value = os.lstat('a')
1675
 
        packed_stat = dirstate.pack_stat(stat_value)
1676
 
 
1677
 
        state.adjust_time(-10) # Make sure everything is new
1678
 
        # Make sure it wants to kkkkkkkk
1679
 
        state.update_entry(entry, abspath='a', stat_value=stat_value)
1680
 
 
1681
 
        # The row is updated, but the executable bit stays set.
1682
 
        digest = 'b50e5406bb5e153ebbeb20268fcf37c87e1ecfb6'
1683
 
        self.assertEqual([('f', digest, 14, True, packed_stat)], entry[1])
1684
 
 
1685
 
 
1686
 
class TestPackStat(TestCaseWithTransport):
1687
 
 
1688
 
    def assertPackStat(self, expected, stat_value):
1689
 
        """Check the packed and serialized form of a stat value."""
1690
 
        self.assertEqual(expected, dirstate.pack_stat(stat_value))
1691
 
 
1692
 
    def test_pack_stat_int(self):
1693
 
        st = _FakeStat(6859L, 1172758614, 1172758617, 777L, 6499538L, 0100644)
1694
 
        # Make sure that all parameters have an impact on the packed stat.
1695
 
        self.assertPackStat('AAAay0Xm4FZF5uBZAAADCQBjLNIAAIGk', st)
1696
 
        st.st_size = 7000L
1697
 
        #                ay0 => bWE
1698
 
        self.assertPackStat('AAAbWEXm4FZF5uBZAAADCQBjLNIAAIGk', st)
1699
 
        st.st_mtime = 1172758620
1700
 
        #                     4FZ => 4Fx
1701
 
        self.assertPackStat('AAAbWEXm4FxF5uBZAAADCQBjLNIAAIGk', st)
1702
 
        st.st_ctime = 1172758630
1703
 
        #                          uBZ => uBm
1704
 
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADCQBjLNIAAIGk', st)
1705
 
        st.st_dev = 888L
1706
 
        #                                DCQ => DeA
1707
 
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADeABjLNIAAIGk', st)
1708
 
        st.st_ino = 6499540L
1709
 
        #                                     LNI => LNQ
1710
 
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADeABjLNQAAIGk', st)
1711
 
        st.st_mode = 0100744
1712
 
        #                                          IGk => IHk
1713
 
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADeABjLNQAAIHk', st)
1714
 
 
1715
 
    def test_pack_stat_float(self):
1716
 
        """On some platforms mtime and ctime are floats.
1717
 
 
1718
 
        Make sure we don't get warnings or errors, and that we ignore changes <
1719
 
        1s
1720
 
        """
1721
 
        st = _FakeStat(7000L, 1172758614.0, 1172758617.0,
1722
 
                       777L, 6499538L, 0100644)
1723
 
        # These should all be the same as the integer counterparts
1724
 
        self.assertPackStat('AAAbWEXm4FZF5uBZAAADCQBjLNIAAIGk', st)
1725
 
        st.st_mtime = 1172758620.0
1726
 
        #                     FZF5 => FxF5
1727
 
        self.assertPackStat('AAAbWEXm4FxF5uBZAAADCQBjLNIAAIGk', st)
1728
 
        st.st_ctime = 1172758630.0
1729
 
        #                          uBZ => uBm
1730
 
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADCQBjLNIAAIGk', st)
1731
 
        # fractional seconds are discarded, so no change from above
1732
 
        st.st_mtime = 1172758620.453
1733
 
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADCQBjLNIAAIGk', st)
1734
 
        st.st_ctime = 1172758630.228
1735
 
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADCQBjLNIAAIGk', st)
1736
 
 
1737
 
 
1738
 
class TestBisect(TestCaseWithDirState):
1739
 
    """Test the ability to bisect into the disk format."""
1740
 
 
1741
 
 
1742
 
    def assertBisect(self, expected_map, map_keys, state, paths):
1743
 
        """Assert that bisecting for paths returns the right result.
1744
 
 
1745
 
        :param expected_map: A map from key => entry value
1746
 
        :param map_keys: The keys to expect for each path
1747
 
        :param state: The DirState object.
1748
 
        :param paths: A list of paths, these will automatically be split into
1749
 
                      (dir, name) tuples, and sorted according to how _bisect
1750
 
                      requires.
1751
 
        """
1752
 
        dir_names = sorted(osutils.split(p) for p in paths)
1753
 
        result = state._bisect(dir_names)
1754
 
        # For now, results are just returned in whatever order we read them.
1755
 
        # We could sort by (dir, name, file_id) or something like that, but in
1756
 
        # the end it would still be fairly arbitrary, and we don't want the
1757
 
        # extra overhead if we can avoid it. So sort everything to make sure
1758
 
        # equality is true
1759
 
        assert len(map_keys) == len(dir_names)
1760
 
        expected = {}
1761
 
        for dir_name, keys in zip(dir_names, map_keys):
1762
 
            if keys is None:
1763
 
                # This should not be present in the output
1764
 
                continue
1765
 
            expected[dir_name] = sorted(expected_map[k] for k in keys)
1766
 
 
1767
 
        for dir_name in result:
1768
 
            result[dir_name].sort()
1769
 
 
1770
 
        self.assertEqual(expected, result)
1771
 
 
1772
 
    def assertBisectDirBlocks(self, expected_map, map_keys, state, paths):
1773
 
        """Assert that bisecting for dirbblocks returns the right result.
1774
 
 
1775
 
        :param expected_map: A map from key => expected values
1776
 
        :param map_keys: A nested list of paths we expect to be returned.
1777
 
            Something like [['a', 'b', 'f'], ['b/c', 'b/d']]
1778
 
        :param state: The DirState object.
1779
 
        :param paths: A list of directories
1780
 
        """
1781
 
        result = state._bisect_dirblocks(paths)
1782
 
        assert len(map_keys) == len(paths)
1783
 
 
1784
 
        expected = {}
1785
 
        for path, keys in zip(paths, map_keys):
1786
 
            if keys is None:
1787
 
                # This should not be present in the output
1788
 
                continue
1789
 
            expected[path] = sorted(expected_map[k] for k in keys)
1790
 
        for path in result:
1791
 
            result[path].sort()
1792
 
 
1793
 
        self.assertEqual(expected, result)
1794
 
 
1795
 
    def assertBisectRecursive(self, expected_map, map_keys, state, paths):
1796
 
        """Assert the return value of a recursive bisection.
1797
 
 
1798
 
        :param expected_map: A map from key => entry value
1799
 
        :param map_keys: A list of paths we expect to be returned.
1800
 
            Something like ['a', 'b', 'f', 'b/d', 'b/d2']
1801
 
        :param state: The DirState object.
1802
 
        :param paths: A list of files and directories. It will be broken up
1803
 
            into (dir, name) pairs and sorted before calling _bisect_recursive.
1804
 
        """
1805
 
        expected = {}
1806
 
        for key in map_keys:
1807
 
            entry = expected_map[key]
1808
 
            dir_name_id, trees_info = entry
1809
 
            expected[dir_name_id] = trees_info
1810
 
 
1811
 
        dir_names = sorted(osutils.split(p) for p in paths)
1812
 
        result = state._bisect_recursive(dir_names)
1813
 
 
1814
 
        self.assertEqual(expected, result)
1815
 
 
1816
 
    def test_bisect_each(self):
1817
 
        """Find a single record using bisect."""
1818
 
        tree, state, expected = self.create_basic_dirstate()
1819
 
 
1820
 
        # Bisect should return the rows for the specified files.
1821
 
        self.assertBisect(expected, [['']], state, [''])
1822
 
        self.assertBisect(expected, [['a']], state, ['a'])
1823
 
        self.assertBisect(expected, [['b']], state, ['b'])
1824
 
        self.assertBisect(expected, [['b/c']], state, ['b/c'])
1825
 
        self.assertBisect(expected, [['b/d']], state, ['b/d'])
1826
 
        self.assertBisect(expected, [['b/d/e']], state, ['b/d/e'])
1827
 
        self.assertBisect(expected, [['f']], state, ['f'])
1828
 
 
1829
 
    def test_bisect_multi(self):
1830
 
        """Bisect can be used to find multiple records at the same time."""
1831
 
        tree, state, expected = self.create_basic_dirstate()
1832
 
        # Bisect should be capable of finding multiple entries at the same time
1833
 
        self.assertBisect(expected, [['a'], ['b'], ['f']],
1834
 
                          state, ['a', 'b', 'f'])
1835
 
        # ('', 'f') sorts before the others
1836
 
        self.assertBisect(expected, [['f'], ['b/d'], ['b/d/e']],
1837
 
                          state, ['b/d', 'b/d/e', 'f'])
1838
 
 
1839
 
    def test_bisect_one_page(self):
1840
 
        """Test bisect when there is only 1 page to read"""
1841
 
        tree, state, expected = self.create_basic_dirstate()
1842
 
        state._bisect_page_size = 5000
1843
 
        self.assertBisect(expected,[['']], state, [''])
1844
 
        self.assertBisect(expected,[['a']], state, ['a'])
1845
 
        self.assertBisect(expected,[['b']], state, ['b'])
1846
 
        self.assertBisect(expected,[['b/c']], state, ['b/c'])
1847
 
        self.assertBisect(expected,[['b/d']], state, ['b/d'])
1848
 
        self.assertBisect(expected,[['b/d/e']], state, ['b/d/e'])
1849
 
        self.assertBisect(expected,[['f']], state, ['f'])
1850
 
        self.assertBisect(expected,[['a'], ['b'], ['f']],
1851
 
                          state, ['a', 'b', 'f'])
1852
 
        # ('', 'f') sorts before the others
1853
 
        self.assertBisect(expected, [['f'], ['b/d'], ['b/d/e']],
1854
 
                          state, ['b/d', 'b/d/e', 'f'])
1855
 
 
1856
 
    def test_bisect_duplicate_paths(self):
1857
 
        """When bisecting for a path, handle multiple entries."""
1858
 
        tree, state, expected = self.create_duplicated_dirstate()
1859
 
 
1860
 
        # Now make sure that both records are properly returned.
1861
 
        self.assertBisect(expected, [['']], state, [''])
1862
 
        self.assertBisect(expected, [['a', 'a2']], state, ['a'])
1863
 
        self.assertBisect(expected, [['b', 'b2']], state, ['b'])
1864
 
        self.assertBisect(expected, [['b/c', 'b/c2']], state, ['b/c'])
1865
 
        self.assertBisect(expected, [['b/d', 'b/d2']], state, ['b/d'])
1866
 
        self.assertBisect(expected, [['b/d/e', 'b/d/e2']],
1867
 
                          state, ['b/d/e'])
1868
 
        self.assertBisect(expected, [['f', 'f2']], state, ['f'])
1869
 
 
1870
 
    def test_bisect_page_size_too_small(self):
1871
 
        """If the page size is too small, we will auto increase it."""
1872
 
        tree, state, expected = self.create_basic_dirstate()
1873
 
        state._bisect_page_size = 50
1874
 
        self.assertBisect(expected, [None], state, ['b/e'])
1875
 
        self.assertBisect(expected, [['a']], state, ['a'])
1876
 
        self.assertBisect(expected, [['b']], state, ['b'])
1877
 
        self.assertBisect(expected, [['b/c']], state, ['b/c'])
1878
 
        self.assertBisect(expected, [['b/d']], state, ['b/d'])
1879
 
        self.assertBisect(expected, [['b/d/e']], state, ['b/d/e'])
1880
 
        self.assertBisect(expected, [['f']], state, ['f'])
1881
 
 
1882
 
    def test_bisect_missing(self):
1883
 
        """Test that bisect return None if it cannot find a path."""
1884
 
        tree, state, expected = self.create_basic_dirstate()
1885
 
        self.assertBisect(expected, [None], state, ['foo'])
1886
 
        self.assertBisect(expected, [None], state, ['b/foo'])
1887
 
        self.assertBisect(expected, [None], state, ['bar/foo'])
1888
 
 
1889
 
        self.assertBisect(expected, [['a'], None, ['b/d']],
1890
 
                          state, ['a', 'foo', 'b/d'])
1891
 
 
1892
 
    def test_bisect_rename(self):
1893
 
        """Check that we find a renamed row."""
1894
 
        tree, state, expected = self.create_renamed_dirstate()
1895
 
 
1896
 
        # Search for the pre and post renamed entries
1897
 
        self.assertBisect(expected, [['a']], state, ['a'])
1898
 
        self.assertBisect(expected, [['b/g']], state, ['b/g'])
1899
 
        self.assertBisect(expected, [['b/d']], state, ['b/d'])
1900
 
        self.assertBisect(expected, [['h']], state, ['h'])
1901
 
 
1902
 
        # What about b/d/e? shouldn't that also get 2 directory entries?
1903
 
        self.assertBisect(expected, [['b/d/e']], state, ['b/d/e'])
1904
 
        self.assertBisect(expected, [['h/e']], state, ['h/e'])
1905
 
 
1906
 
    def test_bisect_dirblocks(self):
1907
 
        tree, state, expected = self.create_duplicated_dirstate()
1908
 
        self.assertBisectDirBlocks(expected,
1909
 
            [['', 'a', 'a2', 'b', 'b2', 'f', 'f2']], state, [''])
1910
 
        self.assertBisectDirBlocks(expected,
1911
 
            [['b/c', 'b/c2', 'b/d', 'b/d2']], state, ['b'])
1912
 
        self.assertBisectDirBlocks(expected,
1913
 
            [['b/d/e', 'b/d/e2']], state, ['b/d'])
1914
 
        self.assertBisectDirBlocks(expected,
1915
 
            [['', 'a', 'a2', 'b', 'b2', 'f', 'f2'],
1916
 
             ['b/c', 'b/c2', 'b/d', 'b/d2'],
1917
 
             ['b/d/e', 'b/d/e2'],
1918
 
            ], state, ['', 'b', 'b/d'])
1919
 
 
1920
 
    def test_bisect_dirblocks_missing(self):
1921
 
        tree, state, expected = self.create_basic_dirstate()
1922
 
        self.assertBisectDirBlocks(expected, [['b/d/e'], None],
1923
 
            state, ['b/d', 'b/e'])
1924
 
        # Files don't show up in this search
1925
 
        self.assertBisectDirBlocks(expected, [None], state, ['a'])
1926
 
        self.assertBisectDirBlocks(expected, [None], state, ['b/c'])
1927
 
        self.assertBisectDirBlocks(expected, [None], state, ['c'])
1928
 
        self.assertBisectDirBlocks(expected, [None], state, ['b/d/e'])
1929
 
        self.assertBisectDirBlocks(expected, [None], state, ['f'])
1930
 
 
1931
 
    def test_bisect_recursive_each(self):
1932
 
        tree, state, expected = self.create_basic_dirstate()
1933
 
        self.assertBisectRecursive(expected, ['a'], state, ['a'])
1934
 
        self.assertBisectRecursive(expected, ['b/c'], state, ['b/c'])
1935
 
        self.assertBisectRecursive(expected, ['b/d/e'], state, ['b/d/e'])
1936
 
        self.assertBisectRecursive(expected, ['b/d', 'b/d/e'],
1937
 
                                   state, ['b/d'])
1938
 
        self.assertBisectRecursive(expected, ['b', 'b/c', 'b/d', 'b/d/e'],
1939
 
                                   state, ['b'])
1940
 
        self.assertBisectRecursive(expected, ['', 'a', 'b', 'f', 'b/c',
1941
 
                                              'b/d', 'b/d/e'],
1942
 
                                   state, [''])
1943
 
 
1944
 
    def test_bisect_recursive_multiple(self):
1945
 
        tree, state, expected = self.create_basic_dirstate()
1946
 
        self.assertBisectRecursive(expected, ['a', 'b/c'], state, ['a', 'b/c'])
1947
 
        self.assertBisectRecursive(expected, ['b/d', 'b/d/e'],
1948
 
                                   state, ['b/d', 'b/d/e'])
1949
 
 
1950
 
    def test_bisect_recursive_missing(self):
1951
 
        tree, state, expected = self.create_basic_dirstate()
1952
 
        self.assertBisectRecursive(expected, [], state, ['d'])
1953
 
        self.assertBisectRecursive(expected, [], state, ['b/e'])
1954
 
        self.assertBisectRecursive(expected, [], state, ['g'])
1955
 
        self.assertBisectRecursive(expected, ['a'], state, ['a', 'g'])
1956
 
 
1957
 
    def test_bisect_recursive_renamed(self):
1958
 
        tree, state, expected = self.create_renamed_dirstate()
1959
 
 
1960
 
        # Looking for either renamed item should find the other
1961
 
        self.assertBisectRecursive(expected, ['a', 'b/g'], state, ['a'])
1962
 
        self.assertBisectRecursive(expected, ['a', 'b/g'], state, ['b/g'])
1963
 
        # Looking in the containing directory should find the rename target,
1964
 
        # and anything in a subdir of the renamed target.
1965
 
        self.assertBisectRecursive(expected, ['a', 'b', 'b/c', 'b/d',
1966
 
                                              'b/d/e', 'b/g', 'h', 'h/e'],
1967
 
                                   state, ['b'])
1968
 
 
1969
 
 
1970
 
class TestBisectDirblock(TestCase):
1971
 
    """Test that bisect_dirblock() returns the expected values.
1972
 
 
1973
 
    bisect_dirblock is intended to work like bisect.bisect_left() except it
1974
 
    knows it is working on dirblocks and that dirblocks are sorted by ('path',
1975
 
    'to', 'foo') chunks rather than by raw 'path/to/foo'.
1976
 
    """
1977
 
 
1978
 
    def assertBisect(self, dirblocks, split_dirblocks, path, *args, **kwargs):
1979
 
        """Assert that bisect_split works like bisect_left on the split paths.
1980
 
 
1981
 
        :param dirblocks: A list of (path, [info]) pairs.
1982
 
        :param split_dirblocks: A list of ((split, path), [info]) pairs.
1983
 
        :param path: The path we are indexing.
1984
 
 
1985
 
        All other arguments will be passed along.
1986
 
        """
1987
 
        bisect_split_idx = dirstate.bisect_dirblock(dirblocks, path,
1988
 
                                                 *args, **kwargs)
1989
 
        split_dirblock = (path.split('/'), [])
1990
 
        bisect_left_idx = bisect.bisect_left(split_dirblocks, split_dirblock,
1991
 
                                             *args)
1992
 
        self.assertEqual(bisect_left_idx, bisect_split_idx,
1993
 
                         'bisect_split disagreed. %s != %s'
1994
 
                         ' for key %s'
1995
 
                         % (bisect_left_idx, bisect_split_idx, path)
1996
 
                         )
1997
 
 
1998
 
    def paths_to_dirblocks(self, paths):
1999
 
        """Convert a list of paths into dirblock form.
2000
 
 
2001
 
        Also, ensure that the paths are in proper sorted order.
2002
 
        """
2003
 
        dirblocks = [(path, []) for path in paths]
2004
 
        split_dirblocks = [(path.split('/'), []) for path in paths]
2005
 
        self.assertEqual(sorted(split_dirblocks), split_dirblocks)
2006
 
        return dirblocks, split_dirblocks
2007
 
 
2008
 
    def test_simple(self):
2009
 
        """In the simple case it works just like bisect_left"""
2010
 
        paths = ['', 'a', 'b', 'c', 'd']
2011
 
        dirblocks, split_dirblocks = self.paths_to_dirblocks(paths)
2012
 
        for path in paths:
2013
 
            self.assertBisect(dirblocks, split_dirblocks, path)
2014
 
        self.assertBisect(dirblocks, split_dirblocks, '_')
2015
 
        self.assertBisect(dirblocks, split_dirblocks, 'aa')
2016
 
        self.assertBisect(dirblocks, split_dirblocks, 'bb')
2017
 
        self.assertBisect(dirblocks, split_dirblocks, 'cc')
2018
 
        self.assertBisect(dirblocks, split_dirblocks, 'dd')
2019
 
        self.assertBisect(dirblocks, split_dirblocks, 'a/a')
2020
 
        self.assertBisect(dirblocks, split_dirblocks, 'b/b')
2021
 
        self.assertBisect(dirblocks, split_dirblocks, 'c/c')
2022
 
        self.assertBisect(dirblocks, split_dirblocks, 'd/d')
2023
 
 
2024
 
    def test_involved(self):
2025
 
        """This is where bisect_left diverges slightly."""
2026
 
        paths = ['', 'a',
2027
 
                 'a/a', 'a/a/a', 'a/a/z', 'a/a-a', 'a/a-z',
2028
 
                 'a/z', 'a/z/a', 'a/z/z', 'a/z-a', 'a/z-z',
2029
 
                 'a-a', 'a-z',
2030
 
                 'z', 'z/a/a', 'z/a/z', 'z/a-a', 'z/a-z',
2031
 
                 'z/z', 'z/z/a', 'z/z/z', 'z/z-a', 'z/z-z',
2032
 
                 'z-a', 'z-z',
2033
 
                ]
2034
 
        dirblocks, split_dirblocks = self.paths_to_dirblocks(paths)
2035
 
        for path in paths:
2036
 
            self.assertBisect(dirblocks, split_dirblocks, path)
2037
 
 
2038
 
    def test_involved_cached(self):
2039
 
        """This is where bisect_left diverges slightly."""
2040
 
        paths = ['', 'a',
2041
 
                 'a/a', 'a/a/a', 'a/a/z', 'a/a-a', 'a/a-z',
2042
 
                 'a/z', 'a/z/a', 'a/z/z', 'a/z-a', 'a/z-z',
2043
 
                 'a-a', 'a-z',
2044
 
                 'z', 'z/a/a', 'z/a/z', 'z/a-a', 'z/a-z',
2045
 
                 'z/z', 'z/z/a', 'z/z/z', 'z/z-a', 'z/z-z',
2046
 
                 'z-a', 'z-z',
2047
 
                ]
2048
 
        cache = {}
2049
 
        dirblocks, split_dirblocks = self.paths_to_dirblocks(paths)
2050
 
        for path in paths:
2051
 
            self.assertBisect(dirblocks, split_dirblocks, path, cache=cache)
2052
 
 
2053
 
 
2054
 
class TestDirstateValidation(TestCaseWithDirState):
2055
 
 
2056
 
    def test_validate_correct_dirstate(self):
2057
 
        state = self.create_complex_dirstate()
2058
 
        state._validate()
2059
 
        state.unlock()
2060
 
        # and make sure we can also validate with a read lock
2061
 
        state.lock_read()
2062
 
        try:
2063
 
            state._validate()
2064
 
        finally:
2065
 
            state.unlock()
2066
 
 
2067
 
    def test_dirblock_not_sorted(self):
2068
 
        tree, state, expected = self.create_renamed_dirstate()
2069
 
        state._read_dirblocks_if_needed()
2070
 
        last_dirblock = state._dirblocks[-1]
2071
 
        # we're appending to the dirblock, but this name comes before some of
2072
 
        # the existing names; that's wrong
2073
 
        last_dirblock[1].append(
2074
 
            (('h', 'aaaa', 'a-id'),
2075
 
             [('a', '', 0, False, ''),
2076
 
              ('a', '', 0, False, '')]))
2077
 
        e = self.assertRaises(AssertionError,
2078
 
            state._validate)
2079
 
        self.assertContainsRe(str(e), 'not sorted')
2080
 
 
2081
 
    def test_dirblock_name_mismatch(self):
2082
 
        tree, state, expected = self.create_renamed_dirstate()
2083
 
        state._read_dirblocks_if_needed()
2084
 
        last_dirblock = state._dirblocks[-1]
2085
 
        # add an entry with the wrong directory name
2086
 
        last_dirblock[1].append(
2087
 
            (('', 'z', 'a-id'),
2088
 
             [('a', '', 0, False, ''),
2089
 
              ('a', '', 0, False, '')]))
2090
 
        e = self.assertRaises(AssertionError,
2091
 
            state._validate)
2092
 
        self.assertContainsRe(str(e),
2093
 
            "doesn't match directory name")
2094
 
 
2095
 
    def test_dirblock_missing_rename(self):
2096
 
        tree, state, expected = self.create_renamed_dirstate()
2097
 
        state._read_dirblocks_if_needed()
2098
 
        last_dirblock = state._dirblocks[-1]
2099
 
        # make another entry for a-id, without a correct 'r' pointer to
2100
 
        # the real occurrence in the working tree
2101
 
        last_dirblock[1].append(
2102
 
            (('h', 'z', 'a-id'),
2103
 
             [('a', '', 0, False, ''),
2104
 
              ('a', '', 0, False, '')]))
2105
 
        e = self.assertRaises(AssertionError,
2106
 
            state._validate)
2107
 
        self.assertContainsRe(str(e),
2108
 
            'file a-id is absent in row')