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  • Committer: Aaron Bentley
  • Date: 2007-06-07 12:55:47 UTC
  • mto: This revision was merged to the branch mainline in revision 2517.
  • Revision ID: abentley@panoramicfeedback.com-20070607125547-hm8sfjmq69p1e8s8
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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
 
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
            # Make sure everything is old enough
 
562
            state._sha_cutoff_time()
 
563
            state._cutoff_time += 10
 
564
            sha1sum = state.update_entry(entry, 'a-file', os.lstat('a-file'))
 
565
            # We should have gotten a real sha1
 
566
            self.assertEqual('ecc5374e9ed82ad3ea3b4d452ea995a5fd3e70e3',
 
567
                             sha1sum)
 
568
 
 
569
            # The dirblock has been updated
 
570
            self.assertEqual(sha1sum, entry[1][0][1])
 
571
            self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
 
572
                             state._dirblock_state)
 
573
 
 
574
            del entry
 
575
            # Now, since we are the only one holding a lock, we should be able
 
576
            # to save and have it written to disk
 
577
            state.save()
 
578
        finally:
 
579
            state.unlock()
 
580
 
 
581
        # Re-open the file, and ensure that the state has been updated.
 
582
        state = dirstate.DirState.on_file('dirstate')
 
583
        state.lock_read()
 
584
        try:
 
585
            entry = state._get_entry(0, path_utf8='a-file')
 
586
            self.assertEqual(sha1sum, entry[1][0][1])
 
587
        finally:
 
588
            state.unlock()
 
589
 
 
590
    def test_save_fails_quietly_if_locked(self):
 
591
        """If dirstate is locked, save will fail without complaining."""
 
592
        self.build_tree(['a-file'])
 
593
        state = dirstate.DirState.initialize('dirstate')
 
594
        try:
 
595
            # No stat and no sha1 sum.
 
596
            state.add('a-file', 'a-file-id', 'file', None, '')
 
597
            state.save()
 
598
        finally:
 
599
            state.unlock()
 
600
 
 
601
        state = dirstate.DirState.on_file('dirstate')
 
602
        state.lock_read()
 
603
        try:
 
604
            entry = state._get_entry(0, path_utf8='a-file')
 
605
            sha1sum = state.update_entry(entry, 'a-file', os.lstat('a-file'))
 
606
            # We should have gotten a real sha1
 
607
            self.assertEqual('ecc5374e9ed82ad3ea3b4d452ea995a5fd3e70e3',
 
608
                             sha1sum)
 
609
            self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
 
610
                             state._dirblock_state)
 
611
 
 
612
            # Now, before we try to save, grab another dirstate, and take out a
 
613
            # read lock.
 
614
            # TODO: jam 20070315 Ideally this would be locked by another
 
615
            #       process. To make sure the file is really OS locked.
 
616
            state2 = dirstate.DirState.on_file('dirstate')
 
617
            state2.lock_read()
 
618
            try:
 
619
                # This won't actually write anything, because it couldn't grab
 
620
                # a write lock. But it shouldn't raise an error, either.
 
621
                # TODO: jam 20070315 We should probably distinguish between
 
622
                #       being dirty because of 'update_entry'. And dirty
 
623
                #       because of real modification. So that save() *does*
 
624
                #       raise a real error if it fails when we have real
 
625
                #       modifications.
 
626
                state.save()
 
627
            finally:
 
628
                state2.unlock()
 
629
        finally:
 
630
            state.unlock()
 
631
        
 
632
        # The file on disk should not be modified.
 
633
        state = dirstate.DirState.on_file('dirstate')
 
634
        state.lock_read()
 
635
        try:
 
636
            entry = state._get_entry(0, path_utf8='a-file')
 
637
            self.assertEqual('', entry[1][0][1])
 
638
        finally:
 
639
            state.unlock()
 
640
 
 
641
 
 
642
class TestDirStateInitialize(TestCaseWithDirState):
 
643
 
 
644
    def test_initialize(self):
 
645
        expected_result = ([], [
 
646
            (('', '', 'TREE_ROOT'), # common details
 
647
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
 
648
             ])
 
649
            ])
 
650
        state = dirstate.DirState.initialize('dirstate')
 
651
        try:
 
652
            self.assertIsInstance(state, dirstate.DirState)
 
653
            lines = state.get_lines()
 
654
        finally:
 
655
            state.unlock()
 
656
        # On win32 you can't read from a locked file, even within the same
 
657
        # process. So we have to unlock and release before we check the file
 
658
        # contents.
 
659
        self.assertFileEqual(''.join(lines), 'dirstate')
 
660
        state.lock_read() # check_state_with_reopen will unlock
 
661
        self.check_state_with_reopen(expected_result, state)
 
662
 
 
663
 
 
664
class TestDirStateManipulations(TestCaseWithDirState):
 
665
 
 
666
    def test_set_state_from_inventory_no_content_no_parents(self):
 
667
        # setting the current inventory is a slow but important api to support.
 
668
        tree1 = self.make_branch_and_memory_tree('tree1')
 
669
        tree1.lock_write()
 
670
        try:
 
671
            tree1.add('')
 
672
            revid1 = tree1.commit('foo').encode('utf8')
 
673
            root_id = tree1.inventory.root.file_id
 
674
            inv = tree1.inventory
 
675
        finally:
 
676
            tree1.unlock()
 
677
        expected_result = [], [
 
678
            (('', '', root_id), [
 
679
             ('d', '', 0, False, dirstate.DirState.NULLSTAT)])]
 
680
        state = dirstate.DirState.initialize('dirstate')
 
681
        try:
 
682
            state.set_state_from_inventory(inv)
 
683
            self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
 
684
                             state._header_state)
 
685
            self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
 
686
                             state._dirblock_state)
 
687
        except:
 
688
            state.unlock()
 
689
            raise
 
690
        else:
 
691
            # This will unlock it
 
692
            self.check_state_with_reopen(expected_result, state)
 
693
 
 
694
    def test_set_path_id_no_parents(self):
 
695
        """The id of a path can be changed trivally with no parents."""
 
696
        state = dirstate.DirState.initialize('dirstate')
 
697
        try:
 
698
            # check precondition to be sure the state does change appropriately.
 
699
            self.assertEqual(
 
700
                [(('', '', 'TREE_ROOT'), [('d', '', 0, False,
 
701
                   'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx')])],
 
702
                list(state._iter_entries()))
 
703
            state.set_path_id('', 'foobarbaz')
 
704
            expected_rows = [
 
705
                (('', '', 'foobarbaz'), [('d', '', 0, False,
 
706
                   'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx')])]
 
707
            self.assertEqual(expected_rows, list(state._iter_entries()))
 
708
            # should work across save too
 
709
            state.save()
 
710
        finally:
 
711
            state.unlock()
 
712
        state = dirstate.DirState.on_file('dirstate')
 
713
        state.lock_read()
 
714
        try:
 
715
            state._validate()
 
716
            self.assertEqual(expected_rows, list(state._iter_entries()))
 
717
        finally:
 
718
            state.unlock()
 
719
 
 
720
    def test_set_path_id_with_parents(self):
 
721
        """Set the root file id in a dirstate with parents"""
 
722
        mt = self.make_branch_and_tree('mt')
 
723
        # in case the default tree format uses a different root id
 
724
        mt.set_root_id('TREE_ROOT')
 
725
        mt.commit('foo', rev_id='parent-revid')
 
726
        rt = mt.branch.repository.revision_tree('parent-revid')
 
727
        state = dirstate.DirState.initialize('dirstate')
 
728
        state._validate()
 
729
        try:
 
730
            state.set_parent_trees([('parent-revid', rt)], ghosts=[])
 
731
            state.set_path_id('', 'foobarbaz')
 
732
            state._validate()
 
733
            # now see that it is what we expected
 
734
            expected_rows = [
 
735
                (('', '', 'TREE_ROOT'),
 
736
                    [('a', '', 0, False, ''),
 
737
                     ('d', '', 0, False, 'parent-revid'),
 
738
                     ]),
 
739
                (('', '', 'foobarbaz'),
 
740
                    [('d', '', 0, False, ''),
 
741
                     ('a', '', 0, False, ''),
 
742
                     ]),
 
743
                ]
 
744
            state._validate()
 
745
            self.assertEqual(expected_rows, list(state._iter_entries()))
 
746
            # should work across save too
 
747
            state.save()
 
748
        finally:
 
749
            state.unlock()
 
750
        # now flush & check we get the same
 
751
        state = dirstate.DirState.on_file('dirstate')
 
752
        state.lock_read()
 
753
        try:
 
754
            state._validate()
 
755
            self.assertEqual(expected_rows, list(state._iter_entries()))
 
756
        finally:
 
757
            state.unlock()
 
758
        # now change within an existing file-backed state
 
759
        state.lock_write()
 
760
        try:
 
761
            state._validate()
 
762
            state.set_path_id('', 'tree-root-2')
 
763
            state._validate()
 
764
        finally:
 
765
            state.unlock()
 
766
 
 
767
 
 
768
    def test_set_parent_trees_no_content(self):
 
769
        # set_parent_trees is a slow but important api to support.
 
770
        tree1 = self.make_branch_and_memory_tree('tree1')
 
771
        tree1.lock_write()
 
772
        try:
 
773
            tree1.add('')
 
774
            revid1 = tree1.commit('foo')
 
775
        finally:
 
776
            tree1.unlock()
 
777
        branch2 = tree1.branch.bzrdir.clone('tree2').open_branch()
 
778
        tree2 = MemoryTree.create_on_branch(branch2)
 
779
        tree2.lock_write()
 
780
        try:
 
781
            revid2 = tree2.commit('foo')
 
782
            root_id = tree2.inventory.root.file_id
 
783
        finally:
 
784
            tree2.unlock()
 
785
        state = dirstate.DirState.initialize('dirstate')
 
786
        try:
 
787
            state.set_path_id('', root_id)
 
788
            state.set_parent_trees(
 
789
                ((revid1, tree1.branch.repository.revision_tree(revid1)),
 
790
                 (revid2, tree2.branch.repository.revision_tree(revid2)),
 
791
                 ('ghost-rev', None)),
 
792
                ['ghost-rev'])
 
793
            # check we can reopen and use the dirstate after setting parent
 
794
            # trees.
 
795
            state._validate()
 
796
            state.save()
 
797
            state._validate()
 
798
        finally:
 
799
            state.unlock()
 
800
        state = dirstate.DirState.on_file('dirstate')
 
801
        state.lock_write()
 
802
        try:
 
803
            self.assertEqual([revid1, revid2, 'ghost-rev'],
 
804
                             state.get_parent_ids())
 
805
            # iterating the entire state ensures that the state is parsable.
 
806
            list(state._iter_entries())
 
807
            # be sure that it sets not appends - change it
 
808
            state.set_parent_trees(
 
809
                ((revid1, tree1.branch.repository.revision_tree(revid1)),
 
810
                 ('ghost-rev', None)),
 
811
                ['ghost-rev'])
 
812
            # and now put it back.
 
813
            state.set_parent_trees(
 
814
                ((revid1, tree1.branch.repository.revision_tree(revid1)),
 
815
                 (revid2, tree2.branch.repository.revision_tree(revid2)),
 
816
                 ('ghost-rev', tree2.branch.repository.revision_tree(None))),
 
817
                ['ghost-rev'])
 
818
            self.assertEqual([revid1, revid2, 'ghost-rev'],
 
819
                             state.get_parent_ids())
 
820
            # the ghost should be recorded as such by set_parent_trees.
 
821
            self.assertEqual(['ghost-rev'], state.get_ghosts())
 
822
            self.assertEqual(
 
823
                [(('', '', root_id), [
 
824
                  ('d', '', 0, False, dirstate.DirState.NULLSTAT),
 
825
                  ('d', '', 0, False, revid1),
 
826
                  ('d', '', 0, False, revid2)
 
827
                  ])],
 
828
                list(state._iter_entries()))
 
829
        finally:
 
830
            state.unlock()
 
831
 
 
832
    def test_set_parent_trees_file_missing_from_tree(self):
 
833
        # Adding a parent tree may reference files not in the current state.
 
834
        # they should get listed just once by id, even if they are in two
 
835
        # separate trees.
 
836
        # set_parent_trees is a slow but important api to support.
 
837
        tree1 = self.make_branch_and_memory_tree('tree1')
 
838
        tree1.lock_write()
 
839
        try:
 
840
            tree1.add('')
 
841
            tree1.add(['a file'], ['file-id'], ['file'])
 
842
            tree1.put_file_bytes_non_atomic('file-id', 'file-content')
 
843
            revid1 = tree1.commit('foo')
 
844
        finally:
 
845
            tree1.unlock()
 
846
        branch2 = tree1.branch.bzrdir.clone('tree2').open_branch()
 
847
        tree2 = MemoryTree.create_on_branch(branch2)
 
848
        tree2.lock_write()
 
849
        try:
 
850
            tree2.put_file_bytes_non_atomic('file-id', 'new file-content')
 
851
            revid2 = tree2.commit('foo')
 
852
            root_id = tree2.inventory.root.file_id
 
853
        finally:
 
854
            tree2.unlock()
 
855
        # check the layout in memory
 
856
        expected_result = [revid1.encode('utf8'), revid2.encode('utf8')], [
 
857
            (('', '', root_id), [
 
858
             ('d', '', 0, False, dirstate.DirState.NULLSTAT),
 
859
             ('d', '', 0, False, revid1.encode('utf8')),
 
860
             ('d', '', 0, False, revid2.encode('utf8'))
 
861
             ]),
 
862
            (('', 'a file', 'file-id'), [
 
863
             ('a', '', 0, False, ''),
 
864
             ('f', '2439573625385400f2a669657a7db6ae7515d371', 12, False,
 
865
              revid1.encode('utf8')),
 
866
             ('f', '542e57dc1cda4af37cb8e55ec07ce60364bb3c7d', 16, False,
 
867
              revid2.encode('utf8'))
 
868
             ])
 
869
            ]
 
870
        state = dirstate.DirState.initialize('dirstate')
 
871
        try:
 
872
            state.set_path_id('', root_id)
 
873
            state.set_parent_trees(
 
874
                ((revid1, tree1.branch.repository.revision_tree(revid1)),
 
875
                 (revid2, tree2.branch.repository.revision_tree(revid2)),
 
876
                 ), [])
 
877
        except:
 
878
            state.unlock()
 
879
            raise
 
880
        else:
 
881
            # check_state_with_reopen will unlock
 
882
            self.check_state_with_reopen(expected_result, state)
 
883
 
 
884
    ### add a path via _set_data - so we dont need delta work, just
 
885
    # raw data in, and ensure that it comes out via get_lines happily.
 
886
 
 
887
    def test_add_path_to_root_no_parents_all_data(self):
 
888
        # The most trivial addition of a path is when there are no parents and
 
889
        # its in the root and all data about the file is supplied
 
890
        self.build_tree(['a file'])
 
891
        stat = os.lstat('a file')
 
892
        # the 1*20 is the sha1 pretend value.
 
893
        state = dirstate.DirState.initialize('dirstate')
 
894
        expected_entries = [
 
895
            (('', '', 'TREE_ROOT'), [
 
896
             ('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
 
897
             ]),
 
898
            (('', 'a file', 'a file id'), [
 
899
             ('f', '1'*20, 19, False, dirstate.pack_stat(stat)), # current tree
 
900
             ]),
 
901
            ]
 
902
        try:
 
903
            state.add('a file', 'a file id', 'file', stat, '1'*20)
 
904
            # having added it, it should be in the output of iter_entries.
 
905
            self.assertEqual(expected_entries, list(state._iter_entries()))
 
906
            # saving and reloading should not affect this.
 
907
            state.save()
 
908
        finally:
 
909
            state.unlock()
 
910
        state = dirstate.DirState.on_file('dirstate')
 
911
        state.lock_read()
 
912
        try:
 
913
            self.assertEqual(expected_entries, list(state._iter_entries()))
 
914
        finally:
 
915
            state.unlock()
 
916
 
 
917
    def test_add_path_to_unversioned_directory(self):
 
918
        """Adding a path to an unversioned directory should error.
 
919
 
 
920
        This is a duplicate of TestWorkingTree.test_add_in_unversioned,
 
921
        once dirstate is stable and if it is merged with WorkingTree3, consider
 
922
        removing this copy of the test.
 
923
        """
 
924
        self.build_tree(['unversioned/', 'unversioned/a file'])
 
925
        state = dirstate.DirState.initialize('dirstate')
 
926
        try:
 
927
            self.assertRaises(errors.NotVersionedError, state.add,
 
928
                'unversioned/a file', 'a file id', 'file', None, None)
 
929
        finally:
 
930
            state.unlock()
 
931
 
 
932
    def test_add_directory_to_root_no_parents_all_data(self):
 
933
        # The most trivial addition of a dir is when there are no parents and
 
934
        # its in the root and all data about the file is supplied
 
935
        self.build_tree(['a dir/'])
 
936
        stat = os.lstat('a dir')
 
937
        expected_entries = [
 
938
            (('', '', 'TREE_ROOT'), [
 
939
             ('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
 
940
             ]),
 
941
            (('', 'a dir', 'a dir id'), [
 
942
             ('d', '', 0, False, dirstate.pack_stat(stat)), # current tree
 
943
             ]),
 
944
            ]
 
945
        state = dirstate.DirState.initialize('dirstate')
 
946
        try:
 
947
            state.add('a dir', 'a dir id', 'directory', stat, None)
 
948
            # having added it, it should be in the output of iter_entries.
 
949
            self.assertEqual(expected_entries, list(state._iter_entries()))
 
950
            # saving and reloading should not affect this.
 
951
            state.save()
 
952
        finally:
 
953
            state.unlock()
 
954
        state = dirstate.DirState.on_file('dirstate')
 
955
        state.lock_read()
 
956
        state._validate()
 
957
        try:
 
958
            self.assertEqual(expected_entries, list(state._iter_entries()))
 
959
        finally:
 
960
            state.unlock()
 
961
 
 
962
    def test_add_symlink_to_root_no_parents_all_data(self):
 
963
        # The most trivial addition of a symlink when there are no parents and
 
964
        # its in the root and all data about the file is supplied
 
965
        # bzr doesn't support fake symlinks on windows, yet.
 
966
        if not has_symlinks():
 
967
            raise TestSkipped("No symlink support")
 
968
        os.symlink('target', 'a link')
 
969
        stat = os.lstat('a link')
 
970
        expected_entries = [
 
971
            (('', '', 'TREE_ROOT'), [
 
972
             ('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
 
973
             ]),
 
974
            (('', 'a link', 'a link id'), [
 
975
             ('l', 'target', 6, False, dirstate.pack_stat(stat)), # current tree
 
976
             ]),
 
977
            ]
 
978
        state = dirstate.DirState.initialize('dirstate')
 
979
        try:
 
980
            state.add('a link', 'a link id', 'symlink', stat, 'target')
 
981
            # having added it, it should be in the output of iter_entries.
 
982
            self.assertEqual(expected_entries, list(state._iter_entries()))
 
983
            # saving and reloading should not affect this.
 
984
            state.save()
 
985
        finally:
 
986
            state.unlock()
 
987
        state = dirstate.DirState.on_file('dirstate')
 
988
        state.lock_read()
 
989
        try:
 
990
            self.assertEqual(expected_entries, list(state._iter_entries()))
 
991
        finally:
 
992
            state.unlock()
 
993
 
 
994
    def test_add_directory_and_child_no_parents_all_data(self):
 
995
        # after adding a directory, we should be able to add children to it.
 
996
        self.build_tree(['a dir/', 'a dir/a file'])
 
997
        dirstat = os.lstat('a dir')
 
998
        filestat = os.lstat('a dir/a file')
 
999
        expected_entries = [
 
1000
            (('', '', 'TREE_ROOT'), [
 
1001
             ('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
 
1002
             ]),
 
1003
            (('', 'a dir', 'a dir id'), [
 
1004
             ('d', '', 0, False, dirstate.pack_stat(dirstat)), # current tree
 
1005
             ]),
 
1006
            (('a dir', 'a file', 'a file id'), [
 
1007
             ('f', '1'*20, 25, False,
 
1008
              dirstate.pack_stat(filestat)), # current tree details
 
1009
             ]),
 
1010
            ]
 
1011
        state = dirstate.DirState.initialize('dirstate')
 
1012
        try:
 
1013
            state.add('a dir', 'a dir id', 'directory', dirstat, None)
 
1014
            state.add('a dir/a file', 'a file id', 'file', filestat, '1'*20)
 
1015
            # added it, it should be in the output of iter_entries.
 
1016
            self.assertEqual(expected_entries, list(state._iter_entries()))
 
1017
            # saving and reloading should not affect this.
 
1018
            state.save()
 
1019
        finally:
 
1020
            state.unlock()
 
1021
        state = dirstate.DirState.on_file('dirstate')
 
1022
        state.lock_read()
 
1023
        try:
 
1024
            self.assertEqual(expected_entries, list(state._iter_entries()))
 
1025
        finally:
 
1026
            state.unlock()
 
1027
 
 
1028
    def test_add_tree_reference(self):
 
1029
        # make a dirstate and add a tree reference
 
1030
        state = dirstate.DirState.initialize('dirstate')
 
1031
        expected_entry = (
 
1032
            ('', 'subdir', 'subdir-id'),
 
1033
            [('t', 'subtree-123123', 0, False,
 
1034
              'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx')],
 
1035
            )
 
1036
        try:
 
1037
            state.add('subdir', 'subdir-id', 'tree-reference', None, 'subtree-123123')
 
1038
            entry = state._get_entry(0, 'subdir-id', 'subdir')
 
1039
            self.assertEqual(entry, expected_entry)
 
1040
            state._validate()
 
1041
            state.save()
 
1042
        finally:
 
1043
            state.unlock()
 
1044
        # now check we can read it back
 
1045
        state.lock_read()
 
1046
        state._validate()
 
1047
        try:
 
1048
            entry2 = state._get_entry(0, 'subdir-id', 'subdir')
 
1049
            self.assertEqual(entry, entry2)
 
1050
            self.assertEqual(entry, expected_entry)
 
1051
            # and lookup by id should work too
 
1052
            entry2 = state._get_entry(0, fileid_utf8='subdir-id')
 
1053
            self.assertEqual(entry, expected_entry)
 
1054
        finally:
 
1055
            state.unlock()
 
1056
 
 
1057
    def test_add_forbidden_names(self):
 
1058
        state = dirstate.DirState.initialize('dirstate')
 
1059
        self.addCleanup(state.unlock)
 
1060
        self.assertRaises(errors.BzrError,
 
1061
            state.add, '.', 'ass-id', 'directory', None, None)
 
1062
        self.assertRaises(errors.BzrError,
 
1063
            state.add, '..', 'ass-id', 'directory', None, None)
 
1064
 
 
1065
 
 
1066
class TestGetLines(TestCaseWithDirState):
 
1067
 
 
1068
    def test_get_line_with_2_rows(self):
 
1069
        state = self.create_dirstate_with_root_and_subdir()
 
1070
        try:
 
1071
            self.assertEqual(['#bazaar dirstate flat format 3\n',
 
1072
                'crc32: 41262208\n',
 
1073
                'num_entries: 2\n',
 
1074
                '0\x00\n\x00'
 
1075
                '0\x00\n\x00'
 
1076
                '\x00\x00a-root-value\x00'
 
1077
                'd\x00\x000\x00n\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk\x00\n\x00'
 
1078
                '\x00subdir\x00subdir-id\x00'
 
1079
                'd\x00\x000\x00n\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk\x00\n\x00'
 
1080
                ], state.get_lines())
 
1081
        finally:
 
1082
            state.unlock()
 
1083
 
 
1084
    def test_entry_to_line(self):
 
1085
        state = self.create_dirstate_with_root()
 
1086
        try:
 
1087
            self.assertEqual(
 
1088
                '\x00\x00a-root-value\x00d\x00\x000\x00n'
 
1089
                '\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk',
 
1090
                state._entry_to_line(state._dirblocks[0][1][0]))
 
1091
        finally:
 
1092
            state.unlock()
 
1093
 
 
1094
    def test_entry_to_line_with_parent(self):
 
1095
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
 
1096
        root_entry = ('', '', 'a-root-value'), [
 
1097
            ('d', '', 0, False, packed_stat), # current tree details
 
1098
             # first: a pointer to the current location
 
1099
            ('a', 'dirname/basename', 0, False, ''),
 
1100
            ]
 
1101
        state = dirstate.DirState.initialize('dirstate')
 
1102
        try:
 
1103
            self.assertEqual(
 
1104
                '\x00\x00a-root-value\x00'
 
1105
                'd\x00\x000\x00n\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk\x00'
 
1106
                'a\x00dirname/basename\x000\x00n\x00',
 
1107
                state._entry_to_line(root_entry))
 
1108
        finally:
 
1109
            state.unlock()
 
1110
 
 
1111
    def test_entry_to_line_with_two_parents_at_different_paths(self):
 
1112
        # / in the tree, at / in one parent and /dirname/basename in the other.
 
1113
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
 
1114
        root_entry = ('', '', 'a-root-value'), [
 
1115
            ('d', '', 0, False, packed_stat), # current tree details
 
1116
            ('d', '', 0, False, 'rev_id'), # first parent details
 
1117
             # second: a pointer to the current location
 
1118
            ('a', 'dirname/basename', 0, False, ''),
 
1119
            ]
 
1120
        state = dirstate.DirState.initialize('dirstate')
 
1121
        try:
 
1122
            self.assertEqual(
 
1123
                '\x00\x00a-root-value\x00'
 
1124
                'd\x00\x000\x00n\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk\x00'
 
1125
                'd\x00\x000\x00n\x00rev_id\x00'
 
1126
                'a\x00dirname/basename\x000\x00n\x00',
 
1127
                state._entry_to_line(root_entry))
 
1128
        finally:
 
1129
            state.unlock()
 
1130
 
 
1131
    def test_iter_entries(self):
 
1132
        # we should be able to iterate the dirstate entries from end to end
 
1133
        # this is for get_lines to be easy to read.
 
1134
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
 
1135
        dirblocks = []
 
1136
        root_entries = [(('', '', 'a-root-value'), [
 
1137
            ('d', '', 0, False, packed_stat), # current tree details
 
1138
            ])]
 
1139
        dirblocks.append(('', root_entries))
 
1140
        # add two files in the root
 
1141
        subdir_entry = ('', 'subdir', 'subdir-id'), [
 
1142
            ('d', '', 0, False, packed_stat), # current tree details
 
1143
            ]
 
1144
        afile_entry = ('', 'afile', 'afile-id'), [
 
1145
            ('f', 'sha1value', 34, False, packed_stat), # current tree details
 
1146
            ]
 
1147
        dirblocks.append(('', [subdir_entry, afile_entry]))
 
1148
        # and one in subdir
 
1149
        file_entry2 = ('subdir', '2file', '2file-id'), [
 
1150
            ('f', 'sha1value', 23, False, packed_stat), # current tree details
 
1151
            ]
 
1152
        dirblocks.append(('subdir', [file_entry2]))
 
1153
        state = dirstate.DirState.initialize('dirstate')
 
1154
        try:
 
1155
            state._set_data([], dirblocks)
 
1156
            expected_entries = [root_entries[0], subdir_entry, afile_entry,
 
1157
                                file_entry2]
 
1158
            self.assertEqual(expected_entries, list(state._iter_entries()))
 
1159
        finally:
 
1160
            state.unlock()
 
1161
 
 
1162
 
 
1163
class TestGetBlockRowIndex(TestCaseWithDirState):
 
1164
 
 
1165
    def assertBlockRowIndexEqual(self, block_index, row_index, dir_present,
 
1166
        file_present, state, dirname, basename, tree_index):
 
1167
        self.assertEqual((block_index, row_index, dir_present, file_present),
 
1168
            state._get_block_entry_index(dirname, basename, tree_index))
 
1169
        if dir_present:
 
1170
            block = state._dirblocks[block_index]
 
1171
            self.assertEqual(dirname, block[0])
 
1172
        if dir_present and file_present:
 
1173
            row = state._dirblocks[block_index][1][row_index]
 
1174
            self.assertEqual(dirname, row[0][0])
 
1175
            self.assertEqual(basename, row[0][1])
 
1176
 
 
1177
    def test_simple_structure(self):
 
1178
        state = self.create_dirstate_with_root_and_subdir()
 
1179
        self.addCleanup(state.unlock)
 
1180
        self.assertBlockRowIndexEqual(1, 0, True, True, state, '', 'subdir', 0)
 
1181
        self.assertBlockRowIndexEqual(1, 0, True, False, state, '', 'bdir', 0)
 
1182
        self.assertBlockRowIndexEqual(1, 1, True, False, state, '', 'zdir', 0)
 
1183
        self.assertBlockRowIndexEqual(2, 0, False, False, state, 'a', 'foo', 0)
 
1184
        self.assertBlockRowIndexEqual(2, 0, False, False, state,
 
1185
                                      'subdir', 'foo', 0)
 
1186
 
 
1187
    def test_complex_structure_exists(self):
 
1188
        state = self.create_complex_dirstate()
 
1189
        self.addCleanup(state.unlock)
 
1190
        # Make sure we can find everything that exists
 
1191
        self.assertBlockRowIndexEqual(0, 0, True, True, state, '', '', 0)
 
1192
        self.assertBlockRowIndexEqual(1, 0, True, True, state, '', 'a', 0)
 
1193
        self.assertBlockRowIndexEqual(1, 1, True, True, state, '', 'b', 0)
 
1194
        self.assertBlockRowIndexEqual(1, 2, True, True, state, '', 'c', 0)
 
1195
        self.assertBlockRowIndexEqual(1, 3, True, True, state, '', 'd', 0)
 
1196
        self.assertBlockRowIndexEqual(2, 0, True, True, state, 'a', 'e', 0)
 
1197
        self.assertBlockRowIndexEqual(2, 1, True, True, state, 'a', 'f', 0)
 
1198
        self.assertBlockRowIndexEqual(3, 0, True, True, state, 'b', 'g', 0)
 
1199
        self.assertBlockRowIndexEqual(3, 1, True, True, state,
 
1200
                                      'b', 'h\xc3\xa5', 0)
 
1201
 
 
1202
    def test_complex_structure_missing(self):
 
1203
        state = self.create_complex_dirstate()
 
1204
        self.addCleanup(state.unlock)
 
1205
        # Make sure things would be inserted in the right locations
 
1206
        # '_' comes before 'a'
 
1207
        self.assertBlockRowIndexEqual(0, 0, True, True, state, '', '', 0)
 
1208
        self.assertBlockRowIndexEqual(1, 0, True, False, state, '', '_', 0)
 
1209
        self.assertBlockRowIndexEqual(1, 1, True, False, state, '', 'aa', 0)
 
1210
        self.assertBlockRowIndexEqual(1, 4, True, False, state,
 
1211
                                      '', 'h\xc3\xa5', 0)
 
1212
        self.assertBlockRowIndexEqual(2, 0, False, False, state, '_', 'a', 0)
 
1213
        self.assertBlockRowIndexEqual(3, 0, False, False, state, 'aa', 'a', 0)
 
1214
        self.assertBlockRowIndexEqual(4, 0, False, False, state, 'bb', 'a', 0)
 
1215
        # This would be inserted between a/ and b/
 
1216
        self.assertBlockRowIndexEqual(3, 0, False, False, state, 'a/e', 'a', 0)
 
1217
        # Put at the end
 
1218
        self.assertBlockRowIndexEqual(4, 0, False, False, state, 'e', 'a', 0)
 
1219
 
 
1220
 
 
1221
class TestGetEntry(TestCaseWithDirState):
 
1222
 
 
1223
    def assertEntryEqual(self, dirname, basename, file_id, state, path, index):
 
1224
        """Check that the right entry is returned for a request to getEntry."""
 
1225
        entry = state._get_entry(index, path_utf8=path)
 
1226
        if file_id is None:
 
1227
            self.assertEqual((None, None), entry)
 
1228
        else:
 
1229
            cur = entry[0]
 
1230
            self.assertEqual((dirname, basename, file_id), cur[:3])
 
1231
 
 
1232
    def test_simple_structure(self):
 
1233
        state = self.create_dirstate_with_root_and_subdir()
 
1234
        self.addCleanup(state.unlock)
 
1235
        self.assertEntryEqual('', '', 'a-root-value', state, '', 0)
 
1236
        self.assertEntryEqual('', 'subdir', 'subdir-id', state, 'subdir', 0)
 
1237
        self.assertEntryEqual(None, None, None, state, 'missing', 0)
 
1238
        self.assertEntryEqual(None, None, None, state, 'missing/foo', 0)
 
1239
        self.assertEntryEqual(None, None, None, state, 'subdir/foo', 0)
 
1240
 
 
1241
    def test_complex_structure_exists(self):
 
1242
        state = self.create_complex_dirstate()
 
1243
        self.addCleanup(state.unlock)
 
1244
        self.assertEntryEqual('', '', 'a-root-value', state, '', 0)
 
1245
        self.assertEntryEqual('', 'a', 'a-dir', state, 'a', 0)
 
1246
        self.assertEntryEqual('', 'b', 'b-dir', state, 'b', 0)
 
1247
        self.assertEntryEqual('', 'c', 'c-file', state, 'c', 0)
 
1248
        self.assertEntryEqual('', 'd', 'd-file', state, 'd', 0)
 
1249
        self.assertEntryEqual('a', 'e', 'e-dir', state, 'a/e', 0)
 
1250
        self.assertEntryEqual('a', 'f', 'f-file', state, 'a/f', 0)
 
1251
        self.assertEntryEqual('b', 'g', 'g-file', state, 'b/g', 0)
 
1252
        self.assertEntryEqual('b', 'h\xc3\xa5', 'h-\xc3\xa5-file', state,
 
1253
                              'b/h\xc3\xa5', 0)
 
1254
 
 
1255
    def test_complex_structure_missing(self):
 
1256
        state = self.create_complex_dirstate()
 
1257
        self.addCleanup(state.unlock)
 
1258
        self.assertEntryEqual(None, None, None, state, '_', 0)
 
1259
        self.assertEntryEqual(None, None, None, state, '_\xc3\xa5', 0)
 
1260
        self.assertEntryEqual(None, None, None, state, 'a/b', 0)
 
1261
        self.assertEntryEqual(None, None, None, state, 'c/d', 0)
 
1262
 
 
1263
    def test_get_entry_uninitialized(self):
 
1264
        """Calling get_entry will load data if it needs to"""
 
1265
        state = self.create_dirstate_with_root()
 
1266
        try:
 
1267
            state.save()
 
1268
        finally:
 
1269
            state.unlock()
 
1270
        del state
 
1271
        state = dirstate.DirState.on_file('dirstate')
 
1272
        state.lock_read()
 
1273
        try:
 
1274
            self.assertEqual(dirstate.DirState.NOT_IN_MEMORY,
 
1275
                             state._header_state)
 
1276
            self.assertEqual(dirstate.DirState.NOT_IN_MEMORY,
 
1277
                             state._dirblock_state)
 
1278
            self.assertEntryEqual('', '', 'a-root-value', state, '', 0)
 
1279
        finally:
 
1280
            state.unlock()
 
1281
 
 
1282
 
 
1283
class TestDirstateSortOrder(TestCaseWithTransport):
 
1284
    """Test that DirState adds entries in the right order."""
 
1285
 
 
1286
    def test_add_sorting(self):
 
1287
        """Add entries in lexicographical order, we get path sorted order.
 
1288
 
 
1289
        This tests it to a depth of 4, to make sure we don't just get it right
 
1290
        at a single depth. 'a/a' should come before 'a-a', even though it
 
1291
        doesn't lexicographically.
 
1292
        """
 
1293
        dirs = ['a', 'a/a', 'a/a/a', 'a/a/a/a',
 
1294
                'a-a', 'a/a-a', 'a/a/a-a', 'a/a/a/a-a',
 
1295
               ]
 
1296
        null_sha = ''
 
1297
        state = dirstate.DirState.initialize('dirstate')
 
1298
        self.addCleanup(state.unlock)
 
1299
 
 
1300
        fake_stat = os.stat('dirstate')
 
1301
        for d in dirs:
 
1302
            d_id = d.replace('/', '_')+'-id'
 
1303
            file_path = d + '/f'
 
1304
            file_id = file_path.replace('/', '_')+'-id'
 
1305
            state.add(d, d_id, 'directory', fake_stat, null_sha)
 
1306
            state.add(file_path, file_id, 'file', fake_stat, null_sha)
 
1307
 
 
1308
        expected = ['', '', 'a',
 
1309
                'a/a', 'a/a/a', 'a/a/a/a',
 
1310
                'a/a/a/a-a', 'a/a/a-a', 'a/a-a', 'a-a',
 
1311
               ]
 
1312
        split = lambda p:p.split('/')
 
1313
        self.assertEqual(sorted(expected, key=split), expected)
 
1314
        dirblock_names = [d[0] for d in state._dirblocks]
 
1315
        self.assertEqual(expected, dirblock_names)
 
1316
 
 
1317
    def test_set_parent_trees_correct_order(self):
 
1318
        """After calling set_parent_trees() we should maintain the order."""
 
1319
        dirs = ['a', 'a-a', 'a/a']
 
1320
        null_sha = ''
 
1321
        state = dirstate.DirState.initialize('dirstate')
 
1322
        self.addCleanup(state.unlock)
 
1323
 
 
1324
        fake_stat = os.stat('dirstate')
 
1325
        for d in dirs:
 
1326
            d_id = d.replace('/', '_')+'-id'
 
1327
            file_path = d + '/f'
 
1328
            file_id = file_path.replace('/', '_')+'-id'
 
1329
            state.add(d, d_id, 'directory', fake_stat, null_sha)
 
1330
            state.add(file_path, file_id, 'file', fake_stat, null_sha)
 
1331
 
 
1332
        expected = ['', '', 'a', 'a/a', 'a-a']
 
1333
        dirblock_names = [d[0] for d in state._dirblocks]
 
1334
        self.assertEqual(expected, dirblock_names)
 
1335
 
 
1336
        # *really* cheesy way to just get an empty tree
 
1337
        repo = self.make_repository('repo')
 
1338
        empty_tree = repo.revision_tree(None)
 
1339
        state.set_parent_trees([('null:', empty_tree)], [])
 
1340
 
 
1341
        dirblock_names = [d[0] for d in state._dirblocks]
 
1342
        self.assertEqual(expected, dirblock_names)
 
1343
 
 
1344
 
 
1345
class InstrumentedDirState(dirstate.DirState):
 
1346
    """An DirState with instrumented sha1 functionality."""
 
1347
 
 
1348
    def __init__(self, path):
 
1349
        super(InstrumentedDirState, self).__init__(path)
 
1350
        self._time_offset = 0
 
1351
        self._log = []
 
1352
 
 
1353
    def _sha_cutoff_time(self):
 
1354
        timestamp = super(InstrumentedDirState, self)._sha_cutoff_time()
 
1355
        self._cutoff_time = timestamp + self._time_offset
 
1356
 
 
1357
    def _sha1_file(self, abspath, entry):
 
1358
        self._log.append(('sha1', abspath))
 
1359
        return super(InstrumentedDirState, self)._sha1_file(abspath, entry)
 
1360
 
 
1361
    def _read_link(self, abspath, old_link):
 
1362
        self._log.append(('read_link', abspath, old_link))
 
1363
        return super(InstrumentedDirState, self)._read_link(abspath, old_link)
 
1364
 
 
1365
    def _lstat(self, abspath, entry):
 
1366
        self._log.append(('lstat', abspath))
 
1367
        return super(InstrumentedDirState, self)._lstat(abspath, entry)
 
1368
 
 
1369
    def _is_executable(self, mode, old_executable):
 
1370
        self._log.append(('is_exec', mode, old_executable))
 
1371
        return super(InstrumentedDirState, self)._is_executable(mode,
 
1372
                                                                old_executable)
 
1373
 
 
1374
    def adjust_time(self, secs):
 
1375
        """Move the clock forward or back.
 
1376
 
 
1377
        :param secs: The amount to adjust the clock by. Positive values make it
 
1378
        seem as if we are in the future, negative values make it seem like we
 
1379
        are in the past.
 
1380
        """
 
1381
        self._time_offset += secs
 
1382
        self._cutoff_time = None
 
1383
 
 
1384
 
 
1385
class _FakeStat(object):
 
1386
    """A class with the same attributes as a real stat result."""
 
1387
 
 
1388
    def __init__(self, size, mtime, ctime, dev, ino, mode):
 
1389
        self.st_size = size
 
1390
        self.st_mtime = mtime
 
1391
        self.st_ctime = ctime
 
1392
        self.st_dev = dev
 
1393
        self.st_ino = ino
 
1394
        self.st_mode = mode
 
1395
 
 
1396
 
 
1397
class TestUpdateEntry(TestCaseWithDirState):
 
1398
    """Test the DirState.update_entry functions"""
 
1399
 
 
1400
    def get_state_with_a(self):
 
1401
        """Create a DirState tracking a single object named 'a'"""
 
1402
        state = InstrumentedDirState.initialize('dirstate')
 
1403
        self.addCleanup(state.unlock)
 
1404
        state.add('a', 'a-id', 'file', None, '')
 
1405
        entry = state._get_entry(0, path_utf8='a')
 
1406
        return state, entry
 
1407
 
 
1408
    def test_update_entry(self):
 
1409
        state, entry = self.get_state_with_a()
 
1410
        self.build_tree(['a'])
 
1411
        # Add one where we don't provide the stat or sha already
 
1412
        self.assertEqual(('', 'a', 'a-id'), entry[0])
 
1413
        self.assertEqual([('f', '', 0, False, dirstate.DirState.NULLSTAT)],
 
1414
                         entry[1])
 
1415
        # Flush the buffers to disk
 
1416
        state.save()
 
1417
        self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
 
1418
                         state._dirblock_state)
 
1419
 
 
1420
        stat_value = os.lstat('a')
 
1421
        packed_stat = dirstate.pack_stat(stat_value)
 
1422
        link_or_sha1 = state.update_entry(entry, abspath='a',
 
1423
                                          stat_value=stat_value)
 
1424
        self.assertEqual('b50e5406bb5e153ebbeb20268fcf37c87e1ecfb6',
 
1425
                         link_or_sha1)
 
1426
 
 
1427
        # The dirblock entry should not cache the file's sha1
 
1428
        self.assertEqual([('f', '', 14, False, dirstate.DirState.NULLSTAT)],
 
1429
                         entry[1])
 
1430
        self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
 
1431
                         state._dirblock_state)
 
1432
        mode = stat_value.st_mode
 
1433
        self.assertEqual([('sha1', 'a'), ('is_exec', mode, False)], state._log)
 
1434
 
 
1435
        state.save()
 
1436
        self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
 
1437
                         state._dirblock_state)
 
1438
 
 
1439
        # If we do it again right away, we don't know if the file has changed
 
1440
        # so we will re-read the file. Roll the clock back so the file is
 
1441
        # guaranteed to look too new.
 
1442
        state.adjust_time(-10)
 
1443
 
 
1444
        link_or_sha1 = state.update_entry(entry, abspath='a',
 
1445
                                          stat_value=stat_value)
 
1446
        self.assertEqual([('sha1', 'a'), ('is_exec', mode, False),
 
1447
                          ('sha1', 'a'), ('is_exec', mode, False),
 
1448
                         ], state._log)
 
1449
        self.assertEqual('b50e5406bb5e153ebbeb20268fcf37c87e1ecfb6',
 
1450
                         link_or_sha1)
 
1451
        self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
 
1452
                         state._dirblock_state)
 
1453
        self.assertEqual([('f', '', 14, False, dirstate.DirState.NULLSTAT)],
 
1454
                         entry[1])
 
1455
        state.save()
 
1456
 
 
1457
        # However, if we move the clock forward so the file is considered
 
1458
        # "stable", it should just cache the value.
 
1459
        state.adjust_time(+20)
 
1460
        link_or_sha1 = state.update_entry(entry, abspath='a',
 
1461
                                          stat_value=stat_value)
 
1462
        self.assertEqual('b50e5406bb5e153ebbeb20268fcf37c87e1ecfb6',
 
1463
                         link_or_sha1)
 
1464
        self.assertEqual([('sha1', 'a'), ('is_exec', mode, False),
 
1465
                          ('sha1', 'a'), ('is_exec', mode, False),
 
1466
                          ('sha1', 'a'), ('is_exec', mode, False),
 
1467
                         ], state._log)
 
1468
        self.assertEqual([('f', link_or_sha1, 14, False, packed_stat)],
 
1469
                         entry[1])
 
1470
 
 
1471
        # Subsequent calls will just return the cached value
 
1472
        link_or_sha1 = state.update_entry(entry, abspath='a',
 
1473
                                          stat_value=stat_value)
 
1474
        self.assertEqual('b50e5406bb5e153ebbeb20268fcf37c87e1ecfb6',
 
1475
                         link_or_sha1)
 
1476
        self.assertEqual([('sha1', 'a'), ('is_exec', mode, False),
 
1477
                          ('sha1', 'a'), ('is_exec', mode, False),
 
1478
                          ('sha1', 'a'), ('is_exec', mode, False),
 
1479
                         ], state._log)
 
1480
        self.assertEqual([('f', link_or_sha1, 14, False, packed_stat)],
 
1481
                         entry[1])
 
1482
 
 
1483
    def test_update_entry_symlink(self):
 
1484
        """Update entry should read symlinks."""
 
1485
        if not osutils.has_symlinks():
 
1486
            # PlatformDeficiency / TestSkipped
 
1487
            raise TestSkipped("No symlink support")
 
1488
        state, entry = self.get_state_with_a()
 
1489
        state.save()
 
1490
        self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
 
1491
                         state._dirblock_state)
 
1492
        os.symlink('target', 'a')
 
1493
 
 
1494
        state.adjust_time(-10) # Make the symlink look new
 
1495
        stat_value = os.lstat('a')
 
1496
        packed_stat = dirstate.pack_stat(stat_value)
 
1497
        link_or_sha1 = state.update_entry(entry, abspath='a',
 
1498
                                          stat_value=stat_value)
 
1499
        self.assertEqual('target', link_or_sha1)
 
1500
        self.assertEqual([('read_link', 'a', '')], state._log)
 
1501
        # Dirblock is not updated (the link is too new)
 
1502
        self.assertEqual([('l', '', 6, False, dirstate.DirState.NULLSTAT)],
 
1503
                         entry[1])
 
1504
        self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
 
1505
                         state._dirblock_state)
 
1506
 
 
1507
        # Because the stat_value looks new, we should re-read the target
 
1508
        link_or_sha1 = state.update_entry(entry, abspath='a',
 
1509
                                          stat_value=stat_value)
 
1510
        self.assertEqual('target', link_or_sha1)
 
1511
        self.assertEqual([('read_link', 'a', ''),
 
1512
                          ('read_link', 'a', ''),
 
1513
                         ], state._log)
 
1514
        self.assertEqual([('l', '', 6, False, dirstate.DirState.NULLSTAT)],
 
1515
                         entry[1])
 
1516
        state.adjust_time(+20) # Skip into the future, all files look old
 
1517
        link_or_sha1 = state.update_entry(entry, abspath='a',
 
1518
                                          stat_value=stat_value)
 
1519
        self.assertEqual('target', link_or_sha1)
 
1520
        # We need to re-read the link because only now can we cache it
 
1521
        self.assertEqual([('read_link', 'a', ''),
 
1522
                          ('read_link', 'a', ''),
 
1523
                          ('read_link', 'a', ''),
 
1524
                         ], state._log)
 
1525
        self.assertEqual([('l', 'target', 6, False, packed_stat)],
 
1526
                         entry[1])
 
1527
 
 
1528
        # Another call won't re-read the link
 
1529
        self.assertEqual([('read_link', 'a', ''),
 
1530
                          ('read_link', 'a', ''),
 
1531
                          ('read_link', 'a', ''),
 
1532
                         ], state._log)
 
1533
        link_or_sha1 = state.update_entry(entry, abspath='a',
 
1534
                                          stat_value=stat_value)
 
1535
        self.assertEqual('target', link_or_sha1)
 
1536
        self.assertEqual([('l', 'target', 6, False, packed_stat)],
 
1537
                         entry[1])
 
1538
 
 
1539
    def do_update_entry(self, state, entry, abspath):
 
1540
        stat_value = os.lstat(abspath)
 
1541
        return state.update_entry(entry, abspath, stat_value)
 
1542
 
 
1543
    def test_update_entry_dir(self):
 
1544
        state, entry = self.get_state_with_a()
 
1545
        self.build_tree(['a/'])
 
1546
        self.assertIs(None, self.do_update_entry(state, entry, 'a'))
 
1547
 
 
1548
    def test_update_entry_dir_unchanged(self):
 
1549
        state, entry = self.get_state_with_a()
 
1550
        self.build_tree(['a/'])
 
1551
        state.adjust_time(+20)
 
1552
        self.assertIs(None, self.do_update_entry(state, entry, 'a'))
 
1553
        self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
 
1554
                         state._dirblock_state)
 
1555
        state.save()
 
1556
        self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
 
1557
                         state._dirblock_state)
 
1558
        self.assertIs(None, self.do_update_entry(state, entry, 'a'))
 
1559
        self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
 
1560
                         state._dirblock_state)
 
1561
 
 
1562
    def test_update_entry_file_unchanged(self):
 
1563
        state, entry = self.get_state_with_a()
 
1564
        self.build_tree(['a'])
 
1565
        sha1sum = 'b50e5406bb5e153ebbeb20268fcf37c87e1ecfb6'
 
1566
        state.adjust_time(+20)
 
1567
        self.assertEqual(sha1sum, self.do_update_entry(state, entry, 'a'))
 
1568
        self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
 
1569
                         state._dirblock_state)
 
1570
        state.save()
 
1571
        self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
 
1572
                         state._dirblock_state)
 
1573
        self.assertEqual(sha1sum, self.do_update_entry(state, entry, 'a'))
 
1574
        self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
 
1575
                         state._dirblock_state)
 
1576
 
 
1577
    def create_and_test_file(self, state, entry):
 
1578
        """Create a file at 'a' and verify the state finds it.
 
1579
 
 
1580
        The state should already be versioning *something* at 'a'. This makes
 
1581
        sure that state.update_entry recognizes it as a file.
 
1582
        """
 
1583
        self.build_tree(['a'])
 
1584
        stat_value = os.lstat('a')
 
1585
        packed_stat = dirstate.pack_stat(stat_value)
 
1586
 
 
1587
        link_or_sha1 = self.do_update_entry(state, entry, abspath='a')
 
1588
        self.assertEqual('b50e5406bb5e153ebbeb20268fcf37c87e1ecfb6',
 
1589
                         link_or_sha1)
 
1590
        self.assertEqual([('f', link_or_sha1, 14, False, packed_stat)],
 
1591
                         entry[1])
 
1592
        return packed_stat
 
1593
 
 
1594
    def create_and_test_dir(self, state, entry):
 
1595
        """Create a directory at 'a' and verify the state finds it.
 
1596
 
 
1597
        The state should already be versioning *something* at 'a'. This makes
 
1598
        sure that state.update_entry recognizes it as a directory.
 
1599
        """
 
1600
        self.build_tree(['a/'])
 
1601
        stat_value = os.lstat('a')
 
1602
        packed_stat = dirstate.pack_stat(stat_value)
 
1603
 
 
1604
        link_or_sha1 = self.do_update_entry(state, entry, abspath='a')
 
1605
        self.assertIs(None, link_or_sha1)
 
1606
        self.assertEqual([('d', '', 0, False, packed_stat)], entry[1])
 
1607
 
 
1608
        return packed_stat
 
1609
 
 
1610
    def create_and_test_symlink(self, state, entry):
 
1611
        """Create a symlink at 'a' and verify the state finds it.
 
1612
 
 
1613
        The state should already be versioning *something* at 'a'. This makes
 
1614
        sure that state.update_entry recognizes it as a symlink.
 
1615
 
 
1616
        This should not be called if this platform does not have symlink
 
1617
        support.
 
1618
        """
 
1619
        # caller should care about skipping test on platforms without symlinks
 
1620
        os.symlink('path/to/foo', 'a')
 
1621
 
 
1622
        stat_value = os.lstat('a')
 
1623
        packed_stat = dirstate.pack_stat(stat_value)
 
1624
 
 
1625
        link_or_sha1 = self.do_update_entry(state, entry, abspath='a')
 
1626
        self.assertEqual('path/to/foo', link_or_sha1)
 
1627
        self.assertEqual([('l', 'path/to/foo', 11, False, packed_stat)],
 
1628
                         entry[1])
 
1629
        return packed_stat
 
1630
 
 
1631
    def test_update_file_to_dir(self):
 
1632
        """If a file changes to a directory we return None for the sha.
 
1633
        We also update the inventory record.
 
1634
        """
 
1635
        state, entry = self.get_state_with_a()
 
1636
        # The file sha1 won't be cached unless the file is old
 
1637
        state.adjust_time(+10)
 
1638
        self.create_and_test_file(state, entry)
 
1639
        os.remove('a')
 
1640
        self.create_and_test_dir(state, entry)
 
1641
 
 
1642
    def test_update_file_to_symlink(self):
 
1643
        """File becomes a symlink"""
 
1644
        if not osutils.has_symlinks():
 
1645
            # PlatformDeficiency / TestSkipped
 
1646
            raise TestSkipped("No symlink support")
 
1647
        state, entry = self.get_state_with_a()
 
1648
        # The file sha1 won't be cached unless the file is old
 
1649
        state.adjust_time(+10)
 
1650
        self.create_and_test_file(state, entry)
 
1651
        os.remove('a')
 
1652
        self.create_and_test_symlink(state, entry)
 
1653
 
 
1654
    def test_update_dir_to_file(self):
 
1655
        """Directory becoming a file updates the entry."""
 
1656
        state, entry = self.get_state_with_a()
 
1657
        # The file sha1 won't be cached unless the file is old
 
1658
        state.adjust_time(+10)
 
1659
        self.create_and_test_dir(state, entry)
 
1660
        os.rmdir('a')
 
1661
        self.create_and_test_file(state, entry)
 
1662
 
 
1663
    def test_update_dir_to_symlink(self):
 
1664
        """Directory becomes a symlink"""
 
1665
        if not osutils.has_symlinks():
 
1666
            # PlatformDeficiency / TestSkipped
 
1667
            raise TestSkipped("No symlink support")
 
1668
        state, entry = self.get_state_with_a()
 
1669
        # The symlink target won't be cached if it isn't old
 
1670
        state.adjust_time(+10)
 
1671
        self.create_and_test_dir(state, entry)
 
1672
        os.rmdir('a')
 
1673
        self.create_and_test_symlink(state, entry)
 
1674
 
 
1675
    def test_update_symlink_to_file(self):
 
1676
        """Symlink becomes a file"""
 
1677
        if not has_symlinks():
 
1678
            raise TestSkipped("No symlink support")
 
1679
        state, entry = self.get_state_with_a()
 
1680
        # The symlink and file info won't be cached unless old
 
1681
        state.adjust_time(+10)
 
1682
        self.create_and_test_symlink(state, entry)
 
1683
        os.remove('a')
 
1684
        self.create_and_test_file(state, entry)
 
1685
 
 
1686
    def test_update_symlink_to_dir(self):
 
1687
        """Symlink becomes a directory"""
 
1688
        if not has_symlinks():
 
1689
            raise TestSkipped("No symlink support")
 
1690
        state, entry = self.get_state_with_a()
 
1691
        # The symlink target won't be cached if it isn't old
 
1692
        state.adjust_time(+10)
 
1693
        self.create_and_test_symlink(state, entry)
 
1694
        os.remove('a')
 
1695
        self.create_and_test_dir(state, entry)
 
1696
 
 
1697
    def test__is_executable_win32(self):
 
1698
        state, entry = self.get_state_with_a()
 
1699
        self.build_tree(['a'])
 
1700
 
 
1701
        # Make sure we are using the win32 implementation of _is_executable
 
1702
        state._is_executable = state._is_executable_win32
 
1703
 
 
1704
        # The file on disk is not executable, but we are marking it as though
 
1705
        # it is. With _is_executable_win32 we ignore what is on disk.
 
1706
        entry[1][0] = ('f', '', 0, True, dirstate.DirState.NULLSTAT)
 
1707
 
 
1708
        stat_value = os.lstat('a')
 
1709
        packed_stat = dirstate.pack_stat(stat_value)
 
1710
 
 
1711
        state.adjust_time(-10) # Make sure everything is new
 
1712
        state.update_entry(entry, abspath='a', stat_value=stat_value)
 
1713
 
 
1714
        # The row is updated, but the executable bit stays set.
 
1715
        self.assertEqual([('f', '', 14, True, dirstate.DirState.NULLSTAT)],
 
1716
                         entry[1])
 
1717
 
 
1718
        # Make the disk object look old enough to cache
 
1719
        state.adjust_time(+20)
 
1720
        digest = 'b50e5406bb5e153ebbeb20268fcf37c87e1ecfb6'
 
1721
        state.update_entry(entry, abspath='a', stat_value=stat_value)
 
1722
        self.assertEqual([('f', digest, 14, True, packed_stat)], entry[1])
 
1723
 
 
1724
 
 
1725
class TestPackStat(TestCaseWithTransport):
 
1726
 
 
1727
    def assertPackStat(self, expected, stat_value):
 
1728
        """Check the packed and serialized form of a stat value."""
 
1729
        self.assertEqual(expected, dirstate.pack_stat(stat_value))
 
1730
 
 
1731
    def test_pack_stat_int(self):
 
1732
        st = _FakeStat(6859L, 1172758614, 1172758617, 777L, 6499538L, 0100644)
 
1733
        # Make sure that all parameters have an impact on the packed stat.
 
1734
        self.assertPackStat('AAAay0Xm4FZF5uBZAAADCQBjLNIAAIGk', st)
 
1735
        st.st_size = 7000L
 
1736
        #                ay0 => bWE
 
1737
        self.assertPackStat('AAAbWEXm4FZF5uBZAAADCQBjLNIAAIGk', st)
 
1738
        st.st_mtime = 1172758620
 
1739
        #                     4FZ => 4Fx
 
1740
        self.assertPackStat('AAAbWEXm4FxF5uBZAAADCQBjLNIAAIGk', st)
 
1741
        st.st_ctime = 1172758630
 
1742
        #                          uBZ => uBm
 
1743
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADCQBjLNIAAIGk', st)
 
1744
        st.st_dev = 888L
 
1745
        #                                DCQ => DeA
 
1746
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADeABjLNIAAIGk', st)
 
1747
        st.st_ino = 6499540L
 
1748
        #                                     LNI => LNQ
 
1749
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADeABjLNQAAIGk', st)
 
1750
        st.st_mode = 0100744
 
1751
        #                                          IGk => IHk
 
1752
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADeABjLNQAAIHk', st)
 
1753
 
 
1754
    def test_pack_stat_float(self):
 
1755
        """On some platforms mtime and ctime are floats.
 
1756
 
 
1757
        Make sure we don't get warnings or errors, and that we ignore changes <
 
1758
        1s
 
1759
        """
 
1760
        st = _FakeStat(7000L, 1172758614.0, 1172758617.0,
 
1761
                       777L, 6499538L, 0100644)
 
1762
        # These should all be the same as the integer counterparts
 
1763
        self.assertPackStat('AAAbWEXm4FZF5uBZAAADCQBjLNIAAIGk', st)
 
1764
        st.st_mtime = 1172758620.0
 
1765
        #                     FZF5 => FxF5
 
1766
        self.assertPackStat('AAAbWEXm4FxF5uBZAAADCQBjLNIAAIGk', st)
 
1767
        st.st_ctime = 1172758630.0
 
1768
        #                          uBZ => uBm
 
1769
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADCQBjLNIAAIGk', st)
 
1770
        # fractional seconds are discarded, so no change from above
 
1771
        st.st_mtime = 1172758620.453
 
1772
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADCQBjLNIAAIGk', st)
 
1773
        st.st_ctime = 1172758630.228
 
1774
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADCQBjLNIAAIGk', st)
 
1775
 
 
1776
 
 
1777
class TestBisect(TestCaseWithDirState):
 
1778
    """Test the ability to bisect into the disk format."""
 
1779
 
 
1780
 
 
1781
    def assertBisect(self, expected_map, map_keys, state, paths):
 
1782
        """Assert that bisecting for paths returns the right result.
 
1783
 
 
1784
        :param expected_map: A map from key => entry value
 
1785
        :param map_keys: The keys to expect for each path
 
1786
        :param state: The DirState object.
 
1787
        :param paths: A list of paths, these will automatically be split into
 
1788
                      (dir, name) tuples, and sorted according to how _bisect
 
1789
                      requires.
 
1790
        """
 
1791
        dir_names = sorted(osutils.split(p) for p in paths)
 
1792
        result = state._bisect(dir_names)
 
1793
        # For now, results are just returned in whatever order we read them.
 
1794
        # We could sort by (dir, name, file_id) or something like that, but in
 
1795
        # the end it would still be fairly arbitrary, and we don't want the
 
1796
        # extra overhead if we can avoid it. So sort everything to make sure
 
1797
        # equality is true
 
1798
        assert len(map_keys) == len(dir_names)
 
1799
        expected = {}
 
1800
        for dir_name, keys in zip(dir_names, map_keys):
 
1801
            if keys is None:
 
1802
                # This should not be present in the output
 
1803
                continue
 
1804
            expected[dir_name] = sorted(expected_map[k] for k in keys)
 
1805
 
 
1806
        for dir_name in result:
 
1807
            result[dir_name].sort()
 
1808
 
 
1809
        self.assertEqual(expected, result)
 
1810
 
 
1811
    def assertBisectDirBlocks(self, expected_map, map_keys, state, paths):
 
1812
        """Assert that bisecting for dirbblocks returns the right result.
 
1813
 
 
1814
        :param expected_map: A map from key => expected values
 
1815
        :param map_keys: A nested list of paths we expect to be returned.
 
1816
            Something like [['a', 'b', 'f'], ['b/c', 'b/d']]
 
1817
        :param state: The DirState object.
 
1818
        :param paths: A list of directories
 
1819
        """
 
1820
        result = state._bisect_dirblocks(paths)
 
1821
        assert len(map_keys) == len(paths)
 
1822
 
 
1823
        expected = {}
 
1824
        for path, keys in zip(paths, map_keys):
 
1825
            if keys is None:
 
1826
                # This should not be present in the output
 
1827
                continue
 
1828
            expected[path] = sorted(expected_map[k] for k in keys)
 
1829
        for path in result:
 
1830
            result[path].sort()
 
1831
 
 
1832
        self.assertEqual(expected, result)
 
1833
 
 
1834
    def assertBisectRecursive(self, expected_map, map_keys, state, paths):
 
1835
        """Assert the return value of a recursive bisection.
 
1836
 
 
1837
        :param expected_map: A map from key => entry value
 
1838
        :param map_keys: A list of paths we expect to be returned.
 
1839
            Something like ['a', 'b', 'f', 'b/d', 'b/d2']
 
1840
        :param state: The DirState object.
 
1841
        :param paths: A list of files and directories. It will be broken up
 
1842
            into (dir, name) pairs and sorted before calling _bisect_recursive.
 
1843
        """
 
1844
        expected = {}
 
1845
        for key in map_keys:
 
1846
            entry = expected_map[key]
 
1847
            dir_name_id, trees_info = entry
 
1848
            expected[dir_name_id] = trees_info
 
1849
 
 
1850
        dir_names = sorted(osutils.split(p) for p in paths)
 
1851
        result = state._bisect_recursive(dir_names)
 
1852
 
 
1853
        self.assertEqual(expected, result)
 
1854
 
 
1855
    def test_bisect_each(self):
 
1856
        """Find a single record using bisect."""
 
1857
        tree, state, expected = self.create_basic_dirstate()
 
1858
 
 
1859
        # Bisect should return the rows for the specified files.
 
1860
        self.assertBisect(expected, [['']], state, [''])
 
1861
        self.assertBisect(expected, [['a']], state, ['a'])
 
1862
        self.assertBisect(expected, [['b']], state, ['b'])
 
1863
        self.assertBisect(expected, [['b/c']], state, ['b/c'])
 
1864
        self.assertBisect(expected, [['b/d']], state, ['b/d'])
 
1865
        self.assertBisect(expected, [['b/d/e']], state, ['b/d/e'])
 
1866
        self.assertBisect(expected, [['f']], state, ['f'])
 
1867
 
 
1868
    def test_bisect_multi(self):
 
1869
        """Bisect can be used to find multiple records at the same time."""
 
1870
        tree, state, expected = self.create_basic_dirstate()
 
1871
        # Bisect should be capable of finding multiple entries at the same time
 
1872
        self.assertBisect(expected, [['a'], ['b'], ['f']],
 
1873
                          state, ['a', 'b', 'f'])
 
1874
        # ('', 'f') sorts before the others
 
1875
        self.assertBisect(expected, [['f'], ['b/d'], ['b/d/e']],
 
1876
                          state, ['b/d', 'b/d/e', 'f'])
 
1877
 
 
1878
    def test_bisect_one_page(self):
 
1879
        """Test bisect when there is only 1 page to read"""
 
1880
        tree, state, expected = self.create_basic_dirstate()
 
1881
        state._bisect_page_size = 5000
 
1882
        self.assertBisect(expected,[['']], state, [''])
 
1883
        self.assertBisect(expected,[['a']], state, ['a'])
 
1884
        self.assertBisect(expected,[['b']], state, ['b'])
 
1885
        self.assertBisect(expected,[['b/c']], state, ['b/c'])
 
1886
        self.assertBisect(expected,[['b/d']], state, ['b/d'])
 
1887
        self.assertBisect(expected,[['b/d/e']], state, ['b/d/e'])
 
1888
        self.assertBisect(expected,[['f']], state, ['f'])
 
1889
        self.assertBisect(expected,[['a'], ['b'], ['f']],
 
1890
                          state, ['a', 'b', 'f'])
 
1891
        # ('', 'f') sorts before the others
 
1892
        self.assertBisect(expected, [['f'], ['b/d'], ['b/d/e']],
 
1893
                          state, ['b/d', 'b/d/e', 'f'])
 
1894
 
 
1895
    def test_bisect_duplicate_paths(self):
 
1896
        """When bisecting for a path, handle multiple entries."""
 
1897
        tree, state, expected = self.create_duplicated_dirstate()
 
1898
 
 
1899
        # Now make sure that both records are properly returned.
 
1900
        self.assertBisect(expected, [['']], state, [''])
 
1901
        self.assertBisect(expected, [['a', 'a2']], state, ['a'])
 
1902
        self.assertBisect(expected, [['b', 'b2']], state, ['b'])
 
1903
        self.assertBisect(expected, [['b/c', 'b/c2']], state, ['b/c'])
 
1904
        self.assertBisect(expected, [['b/d', 'b/d2']], state, ['b/d'])
 
1905
        self.assertBisect(expected, [['b/d/e', 'b/d/e2']],
 
1906
                          state, ['b/d/e'])
 
1907
        self.assertBisect(expected, [['f', 'f2']], state, ['f'])
 
1908
 
 
1909
    def test_bisect_page_size_too_small(self):
 
1910
        """If the page size is too small, we will auto increase it."""
 
1911
        tree, state, expected = self.create_basic_dirstate()
 
1912
        state._bisect_page_size = 50
 
1913
        self.assertBisect(expected, [None], state, ['b/e'])
 
1914
        self.assertBisect(expected, [['a']], state, ['a'])
 
1915
        self.assertBisect(expected, [['b']], state, ['b'])
 
1916
        self.assertBisect(expected, [['b/c']], state, ['b/c'])
 
1917
        self.assertBisect(expected, [['b/d']], state, ['b/d'])
 
1918
        self.assertBisect(expected, [['b/d/e']], state, ['b/d/e'])
 
1919
        self.assertBisect(expected, [['f']], state, ['f'])
 
1920
 
 
1921
    def test_bisect_missing(self):
 
1922
        """Test that bisect return None if it cannot find a path."""
 
1923
        tree, state, expected = self.create_basic_dirstate()
 
1924
        self.assertBisect(expected, [None], state, ['foo'])
 
1925
        self.assertBisect(expected, [None], state, ['b/foo'])
 
1926
        self.assertBisect(expected, [None], state, ['bar/foo'])
 
1927
 
 
1928
        self.assertBisect(expected, [['a'], None, ['b/d']],
 
1929
                          state, ['a', 'foo', 'b/d'])
 
1930
 
 
1931
    def test_bisect_rename(self):
 
1932
        """Check that we find a renamed row."""
 
1933
        tree, state, expected = self.create_renamed_dirstate()
 
1934
 
 
1935
        # Search for the pre and post renamed entries
 
1936
        self.assertBisect(expected, [['a']], state, ['a'])
 
1937
        self.assertBisect(expected, [['b/g']], state, ['b/g'])
 
1938
        self.assertBisect(expected, [['b/d']], state, ['b/d'])
 
1939
        self.assertBisect(expected, [['h']], state, ['h'])
 
1940
 
 
1941
        # What about b/d/e? shouldn't that also get 2 directory entries?
 
1942
        self.assertBisect(expected, [['b/d/e']], state, ['b/d/e'])
 
1943
        self.assertBisect(expected, [['h/e']], state, ['h/e'])
 
1944
 
 
1945
    def test_bisect_dirblocks(self):
 
1946
        tree, state, expected = self.create_duplicated_dirstate()
 
1947
        self.assertBisectDirBlocks(expected,
 
1948
            [['', 'a', 'a2', 'b', 'b2', 'f', 'f2']], state, [''])
 
1949
        self.assertBisectDirBlocks(expected,
 
1950
            [['b/c', 'b/c2', 'b/d', 'b/d2']], state, ['b'])
 
1951
        self.assertBisectDirBlocks(expected,
 
1952
            [['b/d/e', 'b/d/e2']], state, ['b/d'])
 
1953
        self.assertBisectDirBlocks(expected,
 
1954
            [['', 'a', 'a2', 'b', 'b2', 'f', 'f2'],
 
1955
             ['b/c', 'b/c2', 'b/d', 'b/d2'],
 
1956
             ['b/d/e', 'b/d/e2'],
 
1957
            ], state, ['', 'b', 'b/d'])
 
1958
 
 
1959
    def test_bisect_dirblocks_missing(self):
 
1960
        tree, state, expected = self.create_basic_dirstate()
 
1961
        self.assertBisectDirBlocks(expected, [['b/d/e'], None],
 
1962
            state, ['b/d', 'b/e'])
 
1963
        # Files don't show up in this search
 
1964
        self.assertBisectDirBlocks(expected, [None], state, ['a'])
 
1965
        self.assertBisectDirBlocks(expected, [None], state, ['b/c'])
 
1966
        self.assertBisectDirBlocks(expected, [None], state, ['c'])
 
1967
        self.assertBisectDirBlocks(expected, [None], state, ['b/d/e'])
 
1968
        self.assertBisectDirBlocks(expected, [None], state, ['f'])
 
1969
 
 
1970
    def test_bisect_recursive_each(self):
 
1971
        tree, state, expected = self.create_basic_dirstate()
 
1972
        self.assertBisectRecursive(expected, ['a'], state, ['a'])
 
1973
        self.assertBisectRecursive(expected, ['b/c'], state, ['b/c'])
 
1974
        self.assertBisectRecursive(expected, ['b/d/e'], state, ['b/d/e'])
 
1975
        self.assertBisectRecursive(expected, ['b/d', 'b/d/e'],
 
1976
                                   state, ['b/d'])
 
1977
        self.assertBisectRecursive(expected, ['b', 'b/c', 'b/d', 'b/d/e'],
 
1978
                                   state, ['b'])
 
1979
        self.assertBisectRecursive(expected, ['', 'a', 'b', 'f', 'b/c',
 
1980
                                              'b/d', 'b/d/e'],
 
1981
                                   state, [''])
 
1982
 
 
1983
    def test_bisect_recursive_multiple(self):
 
1984
        tree, state, expected = self.create_basic_dirstate()
 
1985
        self.assertBisectRecursive(expected, ['a', 'b/c'], state, ['a', 'b/c'])
 
1986
        self.assertBisectRecursive(expected, ['b/d', 'b/d/e'],
 
1987
                                   state, ['b/d', 'b/d/e'])
 
1988
 
 
1989
    def test_bisect_recursive_missing(self):
 
1990
        tree, state, expected = self.create_basic_dirstate()
 
1991
        self.assertBisectRecursive(expected, [], state, ['d'])
 
1992
        self.assertBisectRecursive(expected, [], state, ['b/e'])
 
1993
        self.assertBisectRecursive(expected, [], state, ['g'])
 
1994
        self.assertBisectRecursive(expected, ['a'], state, ['a', 'g'])
 
1995
 
 
1996
    def test_bisect_recursive_renamed(self):
 
1997
        tree, state, expected = self.create_renamed_dirstate()
 
1998
 
 
1999
        # Looking for either renamed item should find the other
 
2000
        self.assertBisectRecursive(expected, ['a', 'b/g'], state, ['a'])
 
2001
        self.assertBisectRecursive(expected, ['a', 'b/g'], state, ['b/g'])
 
2002
        # Looking in the containing directory should find the rename target,
 
2003
        # and anything in a subdir of the renamed target.
 
2004
        self.assertBisectRecursive(expected, ['a', 'b', 'b/c', 'b/d',
 
2005
                                              'b/d/e', 'b/g', 'h', 'h/e'],
 
2006
                                   state, ['b'])
 
2007
 
 
2008
 
 
2009
class TestBisectDirblock(TestCase):
 
2010
    """Test that bisect_dirblock() returns the expected values.
 
2011
 
 
2012
    bisect_dirblock is intended to work like bisect.bisect_left() except it
 
2013
    knows it is working on dirblocks and that dirblocks are sorted by ('path',
 
2014
    'to', 'foo') chunks rather than by raw 'path/to/foo'.
 
2015
    """
 
2016
 
 
2017
    def assertBisect(self, dirblocks, split_dirblocks, path, *args, **kwargs):
 
2018
        """Assert that bisect_split works like bisect_left on the split paths.
 
2019
 
 
2020
        :param dirblocks: A list of (path, [info]) pairs.
 
2021
        :param split_dirblocks: A list of ((split, path), [info]) pairs.
 
2022
        :param path: The path we are indexing.
 
2023
 
 
2024
        All other arguments will be passed along.
 
2025
        """
 
2026
        bisect_split_idx = dirstate.bisect_dirblock(dirblocks, path,
 
2027
                                                 *args, **kwargs)
 
2028
        split_dirblock = (path.split('/'), [])
 
2029
        bisect_left_idx = bisect.bisect_left(split_dirblocks, split_dirblock,
 
2030
                                             *args)
 
2031
        self.assertEqual(bisect_left_idx, bisect_split_idx,
 
2032
                         'bisect_split disagreed. %s != %s'
 
2033
                         ' for key %s'
 
2034
                         % (bisect_left_idx, bisect_split_idx, path)
 
2035
                         )
 
2036
 
 
2037
    def paths_to_dirblocks(self, paths):
 
2038
        """Convert a list of paths into dirblock form.
 
2039
 
 
2040
        Also, ensure that the paths are in proper sorted order.
 
2041
        """
 
2042
        dirblocks = [(path, []) for path in paths]
 
2043
        split_dirblocks = [(path.split('/'), []) for path in paths]
 
2044
        self.assertEqual(sorted(split_dirblocks), split_dirblocks)
 
2045
        return dirblocks, split_dirblocks
 
2046
 
 
2047
    def test_simple(self):
 
2048
        """In the simple case it works just like bisect_left"""
 
2049
        paths = ['', 'a', 'b', 'c', 'd']
 
2050
        dirblocks, split_dirblocks = self.paths_to_dirblocks(paths)
 
2051
        for path in paths:
 
2052
            self.assertBisect(dirblocks, split_dirblocks, path)
 
2053
        self.assertBisect(dirblocks, split_dirblocks, '_')
 
2054
        self.assertBisect(dirblocks, split_dirblocks, 'aa')
 
2055
        self.assertBisect(dirblocks, split_dirblocks, 'bb')
 
2056
        self.assertBisect(dirblocks, split_dirblocks, 'cc')
 
2057
        self.assertBisect(dirblocks, split_dirblocks, 'dd')
 
2058
        self.assertBisect(dirblocks, split_dirblocks, 'a/a')
 
2059
        self.assertBisect(dirblocks, split_dirblocks, 'b/b')
 
2060
        self.assertBisect(dirblocks, split_dirblocks, 'c/c')
 
2061
        self.assertBisect(dirblocks, split_dirblocks, 'd/d')
 
2062
 
 
2063
    def test_involved(self):
 
2064
        """This is where bisect_left diverges slightly."""
 
2065
        paths = ['', 'a',
 
2066
                 'a/a', 'a/a/a', 'a/a/z', 'a/a-a', 'a/a-z',
 
2067
                 'a/z', 'a/z/a', 'a/z/z', 'a/z-a', 'a/z-z',
 
2068
                 'a-a', 'a-z',
 
2069
                 'z', 'z/a/a', 'z/a/z', 'z/a-a', 'z/a-z',
 
2070
                 'z/z', 'z/z/a', 'z/z/z', 'z/z-a', 'z/z-z',
 
2071
                 'z-a', 'z-z',
 
2072
                ]
 
2073
        dirblocks, split_dirblocks = self.paths_to_dirblocks(paths)
 
2074
        for path in paths:
 
2075
            self.assertBisect(dirblocks, split_dirblocks, path)
 
2076
 
 
2077
    def test_involved_cached(self):
 
2078
        """This is where bisect_left diverges slightly."""
 
2079
        paths = ['', 'a',
 
2080
                 'a/a', 'a/a/a', 'a/a/z', 'a/a-a', 'a/a-z',
 
2081
                 'a/z', 'a/z/a', 'a/z/z', 'a/z-a', 'a/z-z',
 
2082
                 'a-a', 'a-z',
 
2083
                 'z', 'z/a/a', 'z/a/z', 'z/a-a', 'z/a-z',
 
2084
                 'z/z', 'z/z/a', 'z/z/z', 'z/z-a', 'z/z-z',
 
2085
                 'z-a', 'z-z',
 
2086
                ]
 
2087
        cache = {}
 
2088
        dirblocks, split_dirblocks = self.paths_to_dirblocks(paths)
 
2089
        for path in paths:
 
2090
            self.assertBisect(dirblocks, split_dirblocks, path, cache=cache)
 
2091
 
 
2092
 
 
2093
class TestDirstateValidation(TestCaseWithDirState):
 
2094
 
 
2095
    def test_validate_correct_dirstate(self):
 
2096
        state = self.create_complex_dirstate()
 
2097
        state._validate()
 
2098
        state.unlock()
 
2099
        # and make sure we can also validate with a read lock
 
2100
        state.lock_read()
 
2101
        try:
 
2102
            state._validate()
 
2103
        finally:
 
2104
            state.unlock()
 
2105
 
 
2106
    def test_dirblock_not_sorted(self):
 
2107
        tree, state, expected = self.create_renamed_dirstate()
 
2108
        state._read_dirblocks_if_needed()
 
2109
        last_dirblock = state._dirblocks[-1]
 
2110
        # we're appending to the dirblock, but this name comes before some of
 
2111
        # the existing names; that's wrong
 
2112
        last_dirblock[1].append(
 
2113
            (('h', 'aaaa', 'a-id'),
 
2114
             [('a', '', 0, False, ''),
 
2115
              ('a', '', 0, False, '')]))
 
2116
        e = self.assertRaises(AssertionError,
 
2117
            state._validate)
 
2118
        self.assertContainsRe(str(e), 'not sorted')
 
2119
 
 
2120
    def test_dirblock_name_mismatch(self):
 
2121
        tree, state, expected = self.create_renamed_dirstate()
 
2122
        state._read_dirblocks_if_needed()
 
2123
        last_dirblock = state._dirblocks[-1]
 
2124
        # add an entry with the wrong directory name
 
2125
        last_dirblock[1].append(
 
2126
            (('', 'z', 'a-id'),
 
2127
             [('a', '', 0, False, ''),
 
2128
              ('a', '', 0, False, '')]))
 
2129
        e = self.assertRaises(AssertionError,
 
2130
            state._validate)
 
2131
        self.assertContainsRe(str(e),
 
2132
            "doesn't match directory name")
 
2133
 
 
2134
    def test_dirblock_missing_rename(self):
 
2135
        tree, state, expected = self.create_renamed_dirstate()
 
2136
        state._read_dirblocks_if_needed()
 
2137
        last_dirblock = state._dirblocks[-1]
 
2138
        # make another entry for a-id, without a correct 'r' pointer to
 
2139
        # the real occurrence in the working tree
 
2140
        last_dirblock[1].append(
 
2141
            (('h', 'z', 'a-id'),
 
2142
             [('a', '', 0, False, ''),
 
2143
              ('a', '', 0, False, '')]))
 
2144
        e = self.assertRaises(AssertionError,
 
2145
            state._validate)
 
2146
        self.assertContainsRe(str(e),
 
2147
            'file a-id is absent in row')