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  • Committer: Canonical.com Patch Queue Manager
  • Date: 2006-07-06 03:15:29 UTC
  • mfrom: (1711.2.78 jam-integration)
  • Revision ID: pqm@pqm.ubuntu.com-20060706031529-e189d8c3f42076be
(jam) allow plugins to include benchmarks

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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('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_state_from_inventory_mixed_paths(self):
695
 
        tree1 = self.make_branch_and_tree('tree1')
696
 
        self.build_tree(['tree1/a/', 'tree1/a/b/', 'tree1/a-b/',
697
 
                         'tree1/a/b/foo', 'tree1/a-b/bar'])
698
 
        tree1.lock_write()
699
 
        try:
700
 
            tree1.add(['a', 'a/b', 'a-b', 'a/b/foo', 'a-b/bar'],
701
 
                      ['a-id', 'b-id', 'a-b-id', 'foo-id', 'bar-id'])
702
 
            tree1.commit('rev1', rev_id='rev1')
703
 
            root_id = tree1.get_root_id()
704
 
            inv = tree1.inventory
705
 
        finally:
706
 
            tree1.unlock()
707
 
        expected_result1 = [('', '', root_id, 'd'),
708
 
                            ('', 'a', 'a-id', 'd'),
709
 
                            ('', 'a-b', 'a-b-id', 'd'),
710
 
                            ('a', 'b', 'b-id', 'd'),
711
 
                            ('a/b', 'foo', 'foo-id', 'f'),
712
 
                            ('a-b', 'bar', 'bar-id', 'f'),
713
 
                           ]
714
 
        expected_result2 = [('', '', root_id, 'd'),
715
 
                            ('', 'a', 'a-id', 'd'),
716
 
                            ('', 'a-b', 'a-b-id', 'd'),
717
 
                            ('a-b', 'bar', 'bar-id', 'f'),
718
 
                           ]
719
 
        state = dirstate.DirState.initialize('dirstate')
720
 
        try:
721
 
            state.set_state_from_inventory(inv)
722
 
            values = []
723
 
            for entry in state._iter_entries():
724
 
                values.append(entry[0] + entry[1][0][:1])
725
 
            self.assertEqual(expected_result1, values)
726
 
            del inv['b-id']
727
 
            state.set_state_from_inventory(inv)
728
 
            values = []
729
 
            for entry in state._iter_entries():
730
 
                values.append(entry[0] + entry[1][0][:1])
731
 
            self.assertEqual(expected_result2, values)
732
 
        finally:
733
 
            state.unlock()
734
 
 
735
 
    def test_set_path_id_no_parents(self):
736
 
        """The id of a path can be changed trivally with no parents."""
737
 
        state = dirstate.DirState.initialize('dirstate')
738
 
        try:
739
 
            # check precondition to be sure the state does change appropriately.
740
 
            self.assertEqual(
741
 
                [(('', '', 'TREE_ROOT'), [('d', '', 0, False,
742
 
                   'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx')])],
743
 
                list(state._iter_entries()))
744
 
            state.set_path_id('', 'foobarbaz')
745
 
            expected_rows = [
746
 
                (('', '', 'foobarbaz'), [('d', '', 0, False,
747
 
                   'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx')])]
748
 
            self.assertEqual(expected_rows, list(state._iter_entries()))
749
 
            # should work across save too
750
 
            state.save()
751
 
        finally:
752
 
            state.unlock()
753
 
        state = dirstate.DirState.on_file('dirstate')
754
 
        state.lock_read()
755
 
        try:
756
 
            state._validate()
757
 
            self.assertEqual(expected_rows, list(state._iter_entries()))
758
 
        finally:
759
 
            state.unlock()
760
 
 
761
 
    def test_set_path_id_with_parents(self):
762
 
        """Set the root file id in a dirstate with parents"""
763
 
        mt = self.make_branch_and_tree('mt')
764
 
        # in case the default tree format uses a different root id
765
 
        mt.set_root_id('TREE_ROOT')
766
 
        mt.commit('foo', rev_id='parent-revid')
767
 
        rt = mt.branch.repository.revision_tree('parent-revid')
768
 
        state = dirstate.DirState.initialize('dirstate')
769
 
        state._validate()
770
 
        try:
771
 
            state.set_parent_trees([('parent-revid', rt)], ghosts=[])
772
 
            state.set_path_id('', 'foobarbaz')
773
 
            state._validate()
774
 
            # now see that it is what we expected
775
 
            expected_rows = [
776
 
                (('', '', 'TREE_ROOT'),
777
 
                    [('a', '', 0, False, ''),
778
 
                     ('d', '', 0, False, 'parent-revid'),
779
 
                     ]),
780
 
                (('', '', 'foobarbaz'),
781
 
                    [('d', '', 0, False, ''),
782
 
                     ('a', '', 0, False, ''),
783
 
                     ]),
784
 
                ]
785
 
            state._validate()
786
 
            self.assertEqual(expected_rows, list(state._iter_entries()))
787
 
            # should work across save too
788
 
            state.save()
789
 
        finally:
790
 
            state.unlock()
791
 
        # now flush & check we get the same
792
 
        state = dirstate.DirState.on_file('dirstate')
793
 
        state.lock_read()
794
 
        try:
795
 
            state._validate()
796
 
            self.assertEqual(expected_rows, list(state._iter_entries()))
797
 
        finally:
798
 
            state.unlock()
799
 
        # now change within an existing file-backed state
800
 
        state.lock_write()
801
 
        try:
802
 
            state._validate()
803
 
            state.set_path_id('', 'tree-root-2')
804
 
            state._validate()
805
 
        finally:
806
 
            state.unlock()
807
 
 
808
 
 
809
 
    def test_set_parent_trees_no_content(self):
810
 
        # set_parent_trees is a slow but important api to support.
811
 
        tree1 = self.make_branch_and_memory_tree('tree1')
812
 
        tree1.lock_write()
813
 
        try:
814
 
            tree1.add('')
815
 
            revid1 = tree1.commit('foo')
816
 
        finally:
817
 
            tree1.unlock()
818
 
        branch2 = tree1.branch.bzrdir.clone('tree2').open_branch()
819
 
        tree2 = MemoryTree.create_on_branch(branch2)
820
 
        tree2.lock_write()
821
 
        try:
822
 
            revid2 = tree2.commit('foo')
823
 
            root_id = tree2.inventory.root.file_id
824
 
        finally:
825
 
            tree2.unlock()
826
 
        state = dirstate.DirState.initialize('dirstate')
827
 
        try:
828
 
            state.set_path_id('', root_id)
829
 
            state.set_parent_trees(
830
 
                ((revid1, tree1.branch.repository.revision_tree(revid1)),
831
 
                 (revid2, tree2.branch.repository.revision_tree(revid2)),
832
 
                 ('ghost-rev', None)),
833
 
                ['ghost-rev'])
834
 
            # check we can reopen and use the dirstate after setting parent
835
 
            # trees.
836
 
            state._validate()
837
 
            state.save()
838
 
            state._validate()
839
 
        finally:
840
 
            state.unlock()
841
 
        state = dirstate.DirState.on_file('dirstate')
842
 
        state.lock_write()
843
 
        try:
844
 
            self.assertEqual([revid1, revid2, 'ghost-rev'],
845
 
                             state.get_parent_ids())
846
 
            # iterating the entire state ensures that the state is parsable.
847
 
            list(state._iter_entries())
848
 
            # be sure that it sets not appends - change it
849
 
            state.set_parent_trees(
850
 
                ((revid1, tree1.branch.repository.revision_tree(revid1)),
851
 
                 ('ghost-rev', None)),
852
 
                ['ghost-rev'])
853
 
            # and now put it back.
854
 
            state.set_parent_trees(
855
 
                ((revid1, tree1.branch.repository.revision_tree(revid1)),
856
 
                 (revid2, tree2.branch.repository.revision_tree(revid2)),
857
 
                 ('ghost-rev', tree2.branch.repository.revision_tree(None))),
858
 
                ['ghost-rev'])
859
 
            self.assertEqual([revid1, revid2, 'ghost-rev'],
860
 
                             state.get_parent_ids())
861
 
            # the ghost should be recorded as such by set_parent_trees.
862
 
            self.assertEqual(['ghost-rev'], state.get_ghosts())
863
 
            self.assertEqual(
864
 
                [(('', '', root_id), [
865
 
                  ('d', '', 0, False, dirstate.DirState.NULLSTAT),
866
 
                  ('d', '', 0, False, revid1),
867
 
                  ('d', '', 0, False, revid2)
868
 
                  ])],
869
 
                list(state._iter_entries()))
870
 
        finally:
871
 
            state.unlock()
872
 
 
873
 
    def test_set_parent_trees_file_missing_from_tree(self):
874
 
        # Adding a parent tree may reference files not in the current state.
875
 
        # they should get listed just once by id, even if they are in two
876
 
        # separate trees.
877
 
        # set_parent_trees is a slow but important api to support.
878
 
        tree1 = self.make_branch_and_memory_tree('tree1')
879
 
        tree1.lock_write()
880
 
        try:
881
 
            tree1.add('')
882
 
            tree1.add(['a file'], ['file-id'], ['file'])
883
 
            tree1.put_file_bytes_non_atomic('file-id', 'file-content')
884
 
            revid1 = tree1.commit('foo')
885
 
        finally:
886
 
            tree1.unlock()
887
 
        branch2 = tree1.branch.bzrdir.clone('tree2').open_branch()
888
 
        tree2 = MemoryTree.create_on_branch(branch2)
889
 
        tree2.lock_write()
890
 
        try:
891
 
            tree2.put_file_bytes_non_atomic('file-id', 'new file-content')
892
 
            revid2 = tree2.commit('foo')
893
 
            root_id = tree2.inventory.root.file_id
894
 
        finally:
895
 
            tree2.unlock()
896
 
        # check the layout in memory
897
 
        expected_result = [revid1.encode('utf8'), revid2.encode('utf8')], [
898
 
            (('', '', root_id), [
899
 
             ('d', '', 0, False, dirstate.DirState.NULLSTAT),
900
 
             ('d', '', 0, False, revid1.encode('utf8')),
901
 
             ('d', '', 0, False, revid2.encode('utf8'))
902
 
             ]),
903
 
            (('', 'a file', 'file-id'), [
904
 
             ('a', '', 0, False, ''),
905
 
             ('f', '2439573625385400f2a669657a7db6ae7515d371', 12, False,
906
 
              revid1.encode('utf8')),
907
 
             ('f', '542e57dc1cda4af37cb8e55ec07ce60364bb3c7d', 16, False,
908
 
              revid2.encode('utf8'))
909
 
             ])
910
 
            ]
911
 
        state = dirstate.DirState.initialize('dirstate')
912
 
        try:
913
 
            state.set_path_id('', root_id)
914
 
            state.set_parent_trees(
915
 
                ((revid1, tree1.branch.repository.revision_tree(revid1)),
916
 
                 (revid2, tree2.branch.repository.revision_tree(revid2)),
917
 
                 ), [])
918
 
        except:
919
 
            state.unlock()
920
 
            raise
921
 
        else:
922
 
            # check_state_with_reopen will unlock
923
 
            self.check_state_with_reopen(expected_result, state)
924
 
 
925
 
    ### add a path via _set_data - so we dont need delta work, just
926
 
    # raw data in, and ensure that it comes out via get_lines happily.
927
 
 
928
 
    def test_add_path_to_root_no_parents_all_data(self):
929
 
        # The most trivial addition of a path is when there are no parents and
930
 
        # its in the root and all data about the file is supplied
931
 
        self.build_tree(['a file'])
932
 
        stat = os.lstat('a file')
933
 
        # the 1*20 is the sha1 pretend value.
934
 
        state = dirstate.DirState.initialize('dirstate')
935
 
        expected_entries = [
936
 
            (('', '', 'TREE_ROOT'), [
937
 
             ('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
938
 
             ]),
939
 
            (('', 'a file', 'a file id'), [
940
 
             ('f', '1'*20, 19, False, dirstate.pack_stat(stat)), # current tree
941
 
             ]),
942
 
            ]
943
 
        try:
944
 
            state.add('a file', 'a file id', 'file', stat, '1'*20)
945
 
            # having added it, it should be in the output of iter_entries.
946
 
            self.assertEqual(expected_entries, list(state._iter_entries()))
947
 
            # saving and reloading should not affect this.
948
 
            state.save()
949
 
        finally:
950
 
            state.unlock()
951
 
        state = dirstate.DirState.on_file('dirstate')
952
 
        state.lock_read()
953
 
        try:
954
 
            self.assertEqual(expected_entries, list(state._iter_entries()))
955
 
        finally:
956
 
            state.unlock()
957
 
 
958
 
    def test_add_path_to_unversioned_directory(self):
959
 
        """Adding a path to an unversioned directory should error.
960
 
 
961
 
        This is a duplicate of TestWorkingTree.test_add_in_unversioned,
962
 
        once dirstate is stable and if it is merged with WorkingTree3, consider
963
 
        removing this copy of the test.
964
 
        """
965
 
        self.build_tree(['unversioned/', 'unversioned/a file'])
966
 
        state = dirstate.DirState.initialize('dirstate')
967
 
        try:
968
 
            self.assertRaises(errors.NotVersionedError, state.add,
969
 
                'unversioned/a file', 'a file id', 'file', None, None)
970
 
        finally:
971
 
            state.unlock()
972
 
 
973
 
    def test_add_directory_to_root_no_parents_all_data(self):
974
 
        # The most trivial addition of a dir is when there are no parents and
975
 
        # its in the root and all data about the file is supplied
976
 
        self.build_tree(['a dir/'])
977
 
        stat = os.lstat('a dir')
978
 
        expected_entries = [
979
 
            (('', '', 'TREE_ROOT'), [
980
 
             ('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
981
 
             ]),
982
 
            (('', 'a dir', 'a dir id'), [
983
 
             ('d', '', 0, False, dirstate.pack_stat(stat)), # current tree
984
 
             ]),
985
 
            ]
986
 
        state = dirstate.DirState.initialize('dirstate')
987
 
        try:
988
 
            state.add('a dir', 'a dir id', 'directory', stat, None)
989
 
            # having added it, it should be in the output of iter_entries.
990
 
            self.assertEqual(expected_entries, list(state._iter_entries()))
991
 
            # saving and reloading should not affect this.
992
 
            state.save()
993
 
        finally:
994
 
            state.unlock()
995
 
        state = dirstate.DirState.on_file('dirstate')
996
 
        state.lock_read()
997
 
        state._validate()
998
 
        try:
999
 
            self.assertEqual(expected_entries, list(state._iter_entries()))
1000
 
        finally:
1001
 
            state.unlock()
1002
 
 
1003
 
    def test_add_symlink_to_root_no_parents_all_data(self):
1004
 
        # The most trivial addition of a symlink when there are no parents and
1005
 
        # its in the root and all data about the file is supplied
1006
 
        # bzr doesn't support fake symlinks on windows, yet.
1007
 
        if not has_symlinks():
1008
 
            raise TestSkipped("No symlink support")
1009
 
        os.symlink('target', 'a link')
1010
 
        stat = os.lstat('a link')
1011
 
        expected_entries = [
1012
 
            (('', '', 'TREE_ROOT'), [
1013
 
             ('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
1014
 
             ]),
1015
 
            (('', 'a link', 'a link id'), [
1016
 
             ('l', 'target', 6, False, dirstate.pack_stat(stat)), # current tree
1017
 
             ]),
1018
 
            ]
1019
 
        state = dirstate.DirState.initialize('dirstate')
1020
 
        try:
1021
 
            state.add('a link', 'a link id', 'symlink', stat, 'target')
1022
 
            # having added it, it should be in the output of iter_entries.
1023
 
            self.assertEqual(expected_entries, list(state._iter_entries()))
1024
 
            # saving and reloading should not affect this.
1025
 
            state.save()
1026
 
        finally:
1027
 
            state.unlock()
1028
 
        state = dirstate.DirState.on_file('dirstate')
1029
 
        state.lock_read()
1030
 
        try:
1031
 
            self.assertEqual(expected_entries, list(state._iter_entries()))
1032
 
        finally:
1033
 
            state.unlock()
1034
 
 
1035
 
    def test_add_directory_and_child_no_parents_all_data(self):
1036
 
        # after adding a directory, we should be able to add children to it.
1037
 
        self.build_tree(['a dir/', 'a dir/a file'])
1038
 
        dirstat = os.lstat('a dir')
1039
 
        filestat = os.lstat('a dir/a file')
1040
 
        expected_entries = [
1041
 
            (('', '', 'TREE_ROOT'), [
1042
 
             ('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
1043
 
             ]),
1044
 
            (('', 'a dir', 'a dir id'), [
1045
 
             ('d', '', 0, False, dirstate.pack_stat(dirstat)), # current tree
1046
 
             ]),
1047
 
            (('a dir', 'a file', 'a file id'), [
1048
 
             ('f', '1'*20, 25, False,
1049
 
              dirstate.pack_stat(filestat)), # current tree details
1050
 
             ]),
1051
 
            ]
1052
 
        state = dirstate.DirState.initialize('dirstate')
1053
 
        try:
1054
 
            state.add('a dir', 'a dir id', 'directory', dirstat, None)
1055
 
            state.add('a dir/a file', 'a file id', 'file', filestat, '1'*20)
1056
 
            # added it, it should be in the output of iter_entries.
1057
 
            self.assertEqual(expected_entries, list(state._iter_entries()))
1058
 
            # saving and reloading should not affect this.
1059
 
            state.save()
1060
 
        finally:
1061
 
            state.unlock()
1062
 
        state = dirstate.DirState.on_file('dirstate')
1063
 
        state.lock_read()
1064
 
        try:
1065
 
            self.assertEqual(expected_entries, list(state._iter_entries()))
1066
 
        finally:
1067
 
            state.unlock()
1068
 
 
1069
 
    def test_add_tree_reference(self):
1070
 
        # make a dirstate and add a tree reference
1071
 
        state = dirstate.DirState.initialize('dirstate')
1072
 
        expected_entry = (
1073
 
            ('', 'subdir', 'subdir-id'),
1074
 
            [('t', 'subtree-123123', 0, False,
1075
 
              'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx')],
1076
 
            )
1077
 
        try:
1078
 
            state.add('subdir', 'subdir-id', 'tree-reference', None, 'subtree-123123')
1079
 
            entry = state._get_entry(0, 'subdir-id', 'subdir')
1080
 
            self.assertEqual(entry, expected_entry)
1081
 
            state._validate()
1082
 
            state.save()
1083
 
        finally:
1084
 
            state.unlock()
1085
 
        # now check we can read it back
1086
 
        state.lock_read()
1087
 
        state._validate()
1088
 
        try:
1089
 
            entry2 = state._get_entry(0, 'subdir-id', 'subdir')
1090
 
            self.assertEqual(entry, entry2)
1091
 
            self.assertEqual(entry, expected_entry)
1092
 
            # and lookup by id should work too
1093
 
            entry2 = state._get_entry(0, fileid_utf8='subdir-id')
1094
 
            self.assertEqual(entry, expected_entry)
1095
 
        finally:
1096
 
            state.unlock()
1097
 
 
1098
 
    def test_add_forbidden_names(self):
1099
 
        state = dirstate.DirState.initialize('dirstate')
1100
 
        self.addCleanup(state.unlock)
1101
 
        self.assertRaises(errors.BzrError,
1102
 
            state.add, '.', 'ass-id', 'directory', None, None)
1103
 
        self.assertRaises(errors.BzrError,
1104
 
            state.add, '..', 'ass-id', 'directory', None, None)
1105
 
 
1106
 
 
1107
 
class TestGetLines(TestCaseWithDirState):
1108
 
 
1109
 
    def test_get_line_with_2_rows(self):
1110
 
        state = self.create_dirstate_with_root_and_subdir()
1111
 
        try:
1112
 
            self.assertEqual(['#bazaar dirstate flat format 3\n',
1113
 
                'crc32: 41262208\n',
1114
 
                'num_entries: 2\n',
1115
 
                '0\x00\n\x00'
1116
 
                '0\x00\n\x00'
1117
 
                '\x00\x00a-root-value\x00'
1118
 
                'd\x00\x000\x00n\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk\x00\n\x00'
1119
 
                '\x00subdir\x00subdir-id\x00'
1120
 
                'd\x00\x000\x00n\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk\x00\n\x00'
1121
 
                ], state.get_lines())
1122
 
        finally:
1123
 
            state.unlock()
1124
 
 
1125
 
    def test_entry_to_line(self):
1126
 
        state = self.create_dirstate_with_root()
1127
 
        try:
1128
 
            self.assertEqual(
1129
 
                '\x00\x00a-root-value\x00d\x00\x000\x00n'
1130
 
                '\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk',
1131
 
                state._entry_to_line(state._dirblocks[0][1][0]))
1132
 
        finally:
1133
 
            state.unlock()
1134
 
 
1135
 
    def test_entry_to_line_with_parent(self):
1136
 
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
1137
 
        root_entry = ('', '', 'a-root-value'), [
1138
 
            ('d', '', 0, False, packed_stat), # current tree details
1139
 
             # first: a pointer to the current location
1140
 
            ('a', 'dirname/basename', 0, False, ''),
1141
 
            ]
1142
 
        state = dirstate.DirState.initialize('dirstate')
1143
 
        try:
1144
 
            self.assertEqual(
1145
 
                '\x00\x00a-root-value\x00'
1146
 
                'd\x00\x000\x00n\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk\x00'
1147
 
                'a\x00dirname/basename\x000\x00n\x00',
1148
 
                state._entry_to_line(root_entry))
1149
 
        finally:
1150
 
            state.unlock()
1151
 
 
1152
 
    def test_entry_to_line_with_two_parents_at_different_paths(self):
1153
 
        # / in the tree, at / in one parent and /dirname/basename in the other.
1154
 
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
1155
 
        root_entry = ('', '', 'a-root-value'), [
1156
 
            ('d', '', 0, False, packed_stat), # current tree details
1157
 
            ('d', '', 0, False, 'rev_id'), # first parent details
1158
 
             # second: a pointer to the current location
1159
 
            ('a', 'dirname/basename', 0, False, ''),
1160
 
            ]
1161
 
        state = dirstate.DirState.initialize('dirstate')
1162
 
        try:
1163
 
            self.assertEqual(
1164
 
                '\x00\x00a-root-value\x00'
1165
 
                'd\x00\x000\x00n\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk\x00'
1166
 
                'd\x00\x000\x00n\x00rev_id\x00'
1167
 
                'a\x00dirname/basename\x000\x00n\x00',
1168
 
                state._entry_to_line(root_entry))
1169
 
        finally:
1170
 
            state.unlock()
1171
 
 
1172
 
    def test_iter_entries(self):
1173
 
        # we should be able to iterate the dirstate entries from end to end
1174
 
        # this is for get_lines to be easy to read.
1175
 
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
1176
 
        dirblocks = []
1177
 
        root_entries = [(('', '', 'a-root-value'), [
1178
 
            ('d', '', 0, False, packed_stat), # current tree details
1179
 
            ])]
1180
 
        dirblocks.append(('', root_entries))
1181
 
        # add two files in the root
1182
 
        subdir_entry = ('', 'subdir', 'subdir-id'), [
1183
 
            ('d', '', 0, False, packed_stat), # current tree details
1184
 
            ]
1185
 
        afile_entry = ('', 'afile', 'afile-id'), [
1186
 
            ('f', 'sha1value', 34, False, packed_stat), # current tree details
1187
 
            ]
1188
 
        dirblocks.append(('', [subdir_entry, afile_entry]))
1189
 
        # and one in subdir
1190
 
        file_entry2 = ('subdir', '2file', '2file-id'), [
1191
 
            ('f', 'sha1value', 23, False, packed_stat), # current tree details
1192
 
            ]
1193
 
        dirblocks.append(('subdir', [file_entry2]))
1194
 
        state = dirstate.DirState.initialize('dirstate')
1195
 
        try:
1196
 
            state._set_data([], dirblocks)
1197
 
            expected_entries = [root_entries[0], subdir_entry, afile_entry,
1198
 
                                file_entry2]
1199
 
            self.assertEqual(expected_entries, list(state._iter_entries()))
1200
 
        finally:
1201
 
            state.unlock()
1202
 
 
1203
 
 
1204
 
class TestGetBlockRowIndex(TestCaseWithDirState):
1205
 
 
1206
 
    def assertBlockRowIndexEqual(self, block_index, row_index, dir_present,
1207
 
        file_present, state, dirname, basename, tree_index):
1208
 
        self.assertEqual((block_index, row_index, dir_present, file_present),
1209
 
            state._get_block_entry_index(dirname, basename, tree_index))
1210
 
        if dir_present:
1211
 
            block = state._dirblocks[block_index]
1212
 
            self.assertEqual(dirname, block[0])
1213
 
        if dir_present and file_present:
1214
 
            row = state._dirblocks[block_index][1][row_index]
1215
 
            self.assertEqual(dirname, row[0][0])
1216
 
            self.assertEqual(basename, row[0][1])
1217
 
 
1218
 
    def test_simple_structure(self):
1219
 
        state = self.create_dirstate_with_root_and_subdir()
1220
 
        self.addCleanup(state.unlock)
1221
 
        self.assertBlockRowIndexEqual(1, 0, True, True, state, '', 'subdir', 0)
1222
 
        self.assertBlockRowIndexEqual(1, 0, True, False, state, '', 'bdir', 0)
1223
 
        self.assertBlockRowIndexEqual(1, 1, True, False, state, '', 'zdir', 0)
1224
 
        self.assertBlockRowIndexEqual(2, 0, False, False, state, 'a', 'foo', 0)
1225
 
        self.assertBlockRowIndexEqual(2, 0, False, False, state,
1226
 
                                      'subdir', 'foo', 0)
1227
 
 
1228
 
    def test_complex_structure_exists(self):
1229
 
        state = self.create_complex_dirstate()
1230
 
        self.addCleanup(state.unlock)
1231
 
        # Make sure we can find everything that exists
1232
 
        self.assertBlockRowIndexEqual(0, 0, True, True, state, '', '', 0)
1233
 
        self.assertBlockRowIndexEqual(1, 0, True, True, state, '', 'a', 0)
1234
 
        self.assertBlockRowIndexEqual(1, 1, True, True, state, '', 'b', 0)
1235
 
        self.assertBlockRowIndexEqual(1, 2, True, True, state, '', 'c', 0)
1236
 
        self.assertBlockRowIndexEqual(1, 3, True, True, state, '', 'd', 0)
1237
 
        self.assertBlockRowIndexEqual(2, 0, True, True, state, 'a', 'e', 0)
1238
 
        self.assertBlockRowIndexEqual(2, 1, True, True, state, 'a', 'f', 0)
1239
 
        self.assertBlockRowIndexEqual(3, 0, True, True, state, 'b', 'g', 0)
1240
 
        self.assertBlockRowIndexEqual(3, 1, True, True, state,
1241
 
                                      'b', 'h\xc3\xa5', 0)
1242
 
 
1243
 
    def test_complex_structure_missing(self):
1244
 
        state = self.create_complex_dirstate()
1245
 
        self.addCleanup(state.unlock)
1246
 
        # Make sure things would be inserted in the right locations
1247
 
        # '_' comes before 'a'
1248
 
        self.assertBlockRowIndexEqual(0, 0, True, True, state, '', '', 0)
1249
 
        self.assertBlockRowIndexEqual(1, 0, True, False, state, '', '_', 0)
1250
 
        self.assertBlockRowIndexEqual(1, 1, True, False, state, '', 'aa', 0)
1251
 
        self.assertBlockRowIndexEqual(1, 4, True, False, state,
1252
 
                                      '', 'h\xc3\xa5', 0)
1253
 
        self.assertBlockRowIndexEqual(2, 0, False, False, state, '_', 'a', 0)
1254
 
        self.assertBlockRowIndexEqual(3, 0, False, False, state, 'aa', 'a', 0)
1255
 
        self.assertBlockRowIndexEqual(4, 0, False, False, state, 'bb', 'a', 0)
1256
 
        # This would be inserted between a/ and b/
1257
 
        self.assertBlockRowIndexEqual(3, 0, False, False, state, 'a/e', 'a', 0)
1258
 
        # Put at the end
1259
 
        self.assertBlockRowIndexEqual(4, 0, False, False, state, 'e', 'a', 0)
1260
 
 
1261
 
 
1262
 
class TestGetEntry(TestCaseWithDirState):
1263
 
 
1264
 
    def assertEntryEqual(self, dirname, basename, file_id, state, path, index):
1265
 
        """Check that the right entry is returned for a request to getEntry."""
1266
 
        entry = state._get_entry(index, path_utf8=path)
1267
 
        if file_id is None:
1268
 
            self.assertEqual((None, None), entry)
1269
 
        else:
1270
 
            cur = entry[0]
1271
 
            self.assertEqual((dirname, basename, file_id), cur[:3])
1272
 
 
1273
 
    def test_simple_structure(self):
1274
 
        state = self.create_dirstate_with_root_and_subdir()
1275
 
        self.addCleanup(state.unlock)
1276
 
        self.assertEntryEqual('', '', 'a-root-value', state, '', 0)
1277
 
        self.assertEntryEqual('', 'subdir', 'subdir-id', state, 'subdir', 0)
1278
 
        self.assertEntryEqual(None, None, None, state, 'missing', 0)
1279
 
        self.assertEntryEqual(None, None, None, state, 'missing/foo', 0)
1280
 
        self.assertEntryEqual(None, None, None, state, 'subdir/foo', 0)
1281
 
 
1282
 
    def test_complex_structure_exists(self):
1283
 
        state = self.create_complex_dirstate()
1284
 
        self.addCleanup(state.unlock)
1285
 
        self.assertEntryEqual('', '', 'a-root-value', state, '', 0)
1286
 
        self.assertEntryEqual('', 'a', 'a-dir', state, 'a', 0)
1287
 
        self.assertEntryEqual('', 'b', 'b-dir', state, 'b', 0)
1288
 
        self.assertEntryEqual('', 'c', 'c-file', state, 'c', 0)
1289
 
        self.assertEntryEqual('', 'd', 'd-file', state, 'd', 0)
1290
 
        self.assertEntryEqual('a', 'e', 'e-dir', state, 'a/e', 0)
1291
 
        self.assertEntryEqual('a', 'f', 'f-file', state, 'a/f', 0)
1292
 
        self.assertEntryEqual('b', 'g', 'g-file', state, 'b/g', 0)
1293
 
        self.assertEntryEqual('b', 'h\xc3\xa5', 'h-\xc3\xa5-file', state,
1294
 
                              'b/h\xc3\xa5', 0)
1295
 
 
1296
 
    def test_complex_structure_missing(self):
1297
 
        state = self.create_complex_dirstate()
1298
 
        self.addCleanup(state.unlock)
1299
 
        self.assertEntryEqual(None, None, None, state, '_', 0)
1300
 
        self.assertEntryEqual(None, None, None, state, '_\xc3\xa5', 0)
1301
 
        self.assertEntryEqual(None, None, None, state, 'a/b', 0)
1302
 
        self.assertEntryEqual(None, None, None, state, 'c/d', 0)
1303
 
 
1304
 
    def test_get_entry_uninitialized(self):
1305
 
        """Calling get_entry will load data if it needs to"""
1306
 
        state = self.create_dirstate_with_root()
1307
 
        try:
1308
 
            state.save()
1309
 
        finally:
1310
 
            state.unlock()
1311
 
        del state
1312
 
        state = dirstate.DirState.on_file('dirstate')
1313
 
        state.lock_read()
1314
 
        try:
1315
 
            self.assertEqual(dirstate.DirState.NOT_IN_MEMORY,
1316
 
                             state._header_state)
1317
 
            self.assertEqual(dirstate.DirState.NOT_IN_MEMORY,
1318
 
                             state._dirblock_state)
1319
 
            self.assertEntryEqual('', '', 'a-root-value', state, '', 0)
1320
 
        finally:
1321
 
            state.unlock()
1322
 
 
1323
 
 
1324
 
class TestDirstateSortOrder(TestCaseWithTransport):
1325
 
    """Test that DirState adds entries in the right order."""
1326
 
 
1327
 
    def test_add_sorting(self):
1328
 
        """Add entries in lexicographical order, we get path sorted order.
1329
 
 
1330
 
        This tests it to a depth of 4, to make sure we don't just get it right
1331
 
        at a single depth. 'a/a' should come before 'a-a', even though it
1332
 
        doesn't lexicographically.
1333
 
        """
1334
 
        dirs = ['a', 'a/a', 'a/a/a', 'a/a/a/a',
1335
 
                'a-a', 'a/a-a', 'a/a/a-a', 'a/a/a/a-a',
1336
 
               ]
1337
 
        null_sha = ''
1338
 
        state = dirstate.DirState.initialize('dirstate')
1339
 
        self.addCleanup(state.unlock)
1340
 
 
1341
 
        fake_stat = os.stat('dirstate')
1342
 
        for d in dirs:
1343
 
            d_id = d.replace('/', '_')+'-id'
1344
 
            file_path = d + '/f'
1345
 
            file_id = file_path.replace('/', '_')+'-id'
1346
 
            state.add(d, d_id, 'directory', fake_stat, null_sha)
1347
 
            state.add(file_path, file_id, 'file', fake_stat, null_sha)
1348
 
 
1349
 
        expected = ['', '', 'a',
1350
 
                'a/a', 'a/a/a', 'a/a/a/a',
1351
 
                'a/a/a/a-a', 'a/a/a-a', 'a/a-a', 'a-a',
1352
 
               ]
1353
 
        split = lambda p:p.split('/')
1354
 
        self.assertEqual(sorted(expected, key=split), expected)
1355
 
        dirblock_names = [d[0] for d in state._dirblocks]
1356
 
        self.assertEqual(expected, dirblock_names)
1357
 
 
1358
 
    def test_set_parent_trees_correct_order(self):
1359
 
        """After calling set_parent_trees() we should maintain the order."""
1360
 
        dirs = ['a', 'a-a', 'a/a']
1361
 
        null_sha = ''
1362
 
        state = dirstate.DirState.initialize('dirstate')
1363
 
        self.addCleanup(state.unlock)
1364
 
 
1365
 
        fake_stat = os.stat('dirstate')
1366
 
        for d in dirs:
1367
 
            d_id = d.replace('/', '_')+'-id'
1368
 
            file_path = d + '/f'
1369
 
            file_id = file_path.replace('/', '_')+'-id'
1370
 
            state.add(d, d_id, 'directory', fake_stat, null_sha)
1371
 
            state.add(file_path, file_id, 'file', fake_stat, null_sha)
1372
 
 
1373
 
        expected = ['', '', 'a', 'a/a', 'a-a']
1374
 
        dirblock_names = [d[0] for d in state._dirblocks]
1375
 
        self.assertEqual(expected, dirblock_names)
1376
 
 
1377
 
        # *really* cheesy way to just get an empty tree
1378
 
        repo = self.make_repository('repo')
1379
 
        empty_tree = repo.revision_tree(None)
1380
 
        state.set_parent_trees([('null:', empty_tree)], [])
1381
 
 
1382
 
        dirblock_names = [d[0] for d in state._dirblocks]
1383
 
        self.assertEqual(expected, dirblock_names)
1384
 
 
1385
 
 
1386
 
class InstrumentedDirState(dirstate.DirState):
1387
 
    """An DirState with instrumented sha1 functionality."""
1388
 
 
1389
 
    def __init__(self, path):
1390
 
        super(InstrumentedDirState, self).__init__(path)
1391
 
        self._time_offset = 0
1392
 
        self._log = []
1393
 
 
1394
 
    def _sha_cutoff_time(self):
1395
 
        timestamp = super(InstrumentedDirState, self)._sha_cutoff_time()
1396
 
        self._cutoff_time = timestamp + self._time_offset
1397
 
 
1398
 
    def _sha1_file(self, abspath, entry):
1399
 
        self._log.append(('sha1', abspath))
1400
 
        return super(InstrumentedDirState, self)._sha1_file(abspath, entry)
1401
 
 
1402
 
    def _read_link(self, abspath, old_link):
1403
 
        self._log.append(('read_link', abspath, old_link))
1404
 
        return super(InstrumentedDirState, self)._read_link(abspath, old_link)
1405
 
 
1406
 
    def _lstat(self, abspath, entry):
1407
 
        self._log.append(('lstat', abspath))
1408
 
        return super(InstrumentedDirState, self)._lstat(abspath, entry)
1409
 
 
1410
 
    def _is_executable(self, mode, old_executable):
1411
 
        self._log.append(('is_exec', mode, old_executable))
1412
 
        return super(InstrumentedDirState, self)._is_executable(mode,
1413
 
                                                                old_executable)
1414
 
 
1415
 
    def adjust_time(self, secs):
1416
 
        """Move the clock forward or back.
1417
 
 
1418
 
        :param secs: The amount to adjust the clock by. Positive values make it
1419
 
        seem as if we are in the future, negative values make it seem like we
1420
 
        are in the past.
1421
 
        """
1422
 
        self._time_offset += secs
1423
 
        self._cutoff_time = None
1424
 
 
1425
 
 
1426
 
class _FakeStat(object):
1427
 
    """A class with the same attributes as a real stat result."""
1428
 
 
1429
 
    def __init__(self, size, mtime, ctime, dev, ino, mode):
1430
 
        self.st_size = size
1431
 
        self.st_mtime = mtime
1432
 
        self.st_ctime = ctime
1433
 
        self.st_dev = dev
1434
 
        self.st_ino = ino
1435
 
        self.st_mode = mode
1436
 
 
1437
 
 
1438
 
class TestUpdateEntry(TestCaseWithDirState):
1439
 
    """Test the DirState.update_entry functions"""
1440
 
 
1441
 
    def get_state_with_a(self):
1442
 
        """Create a DirState tracking a single object named 'a'"""
1443
 
        state = InstrumentedDirState.initialize('dirstate')
1444
 
        self.addCleanup(state.unlock)
1445
 
        state.add('a', 'a-id', 'file', None, '')
1446
 
        entry = state._get_entry(0, path_utf8='a')
1447
 
        return state, entry
1448
 
 
1449
 
    def test_update_entry(self):
1450
 
        state, entry = self.get_state_with_a()
1451
 
        self.build_tree(['a'])
1452
 
        # Add one where we don't provide the stat or sha already
1453
 
        self.assertEqual(('', 'a', 'a-id'), entry[0])
1454
 
        self.assertEqual([('f', '', 0, False, dirstate.DirState.NULLSTAT)],
1455
 
                         entry[1])
1456
 
        # Flush the buffers to disk
1457
 
        state.save()
1458
 
        self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
1459
 
                         state._dirblock_state)
1460
 
 
1461
 
        stat_value = os.lstat('a')
1462
 
        packed_stat = dirstate.pack_stat(stat_value)
1463
 
        link_or_sha1 = state.update_entry(entry, abspath='a',
1464
 
                                          stat_value=stat_value)
1465
 
        self.assertEqual('b50e5406bb5e153ebbeb20268fcf37c87e1ecfb6',
1466
 
                         link_or_sha1)
1467
 
 
1468
 
        # The dirblock entry should not cache the file's sha1
1469
 
        self.assertEqual([('f', '', 14, False, dirstate.DirState.NULLSTAT)],
1470
 
                         entry[1])
1471
 
        self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
1472
 
                         state._dirblock_state)
1473
 
        mode = stat_value.st_mode
1474
 
        self.assertEqual([('sha1', 'a'), ('is_exec', mode, False)], state._log)
1475
 
 
1476
 
        state.save()
1477
 
        self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
1478
 
                         state._dirblock_state)
1479
 
 
1480
 
        # If we do it again right away, we don't know if the file has changed
1481
 
        # so we will re-read the file. Roll the clock back so the file is
1482
 
        # guaranteed to look too new.
1483
 
        state.adjust_time(-10)
1484
 
 
1485
 
        link_or_sha1 = state.update_entry(entry, abspath='a',
1486
 
                                          stat_value=stat_value)
1487
 
        self.assertEqual([('sha1', 'a'), ('is_exec', mode, False),
1488
 
                          ('sha1', 'a'), ('is_exec', mode, False),
1489
 
                         ], state._log)
1490
 
        self.assertEqual('b50e5406bb5e153ebbeb20268fcf37c87e1ecfb6',
1491
 
                         link_or_sha1)
1492
 
        self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
1493
 
                         state._dirblock_state)
1494
 
        self.assertEqual([('f', '', 14, False, dirstate.DirState.NULLSTAT)],
1495
 
                         entry[1])
1496
 
        state.save()
1497
 
 
1498
 
        # However, if we move the clock forward so the file is considered
1499
 
        # "stable", it should just cache the value.
1500
 
        state.adjust_time(+20)
1501
 
        link_or_sha1 = state.update_entry(entry, abspath='a',
1502
 
                                          stat_value=stat_value)
1503
 
        self.assertEqual('b50e5406bb5e153ebbeb20268fcf37c87e1ecfb6',
1504
 
                         link_or_sha1)
1505
 
        self.assertEqual([('sha1', 'a'), ('is_exec', mode, False),
1506
 
                          ('sha1', 'a'), ('is_exec', mode, False),
1507
 
                          ('sha1', 'a'), ('is_exec', mode, False),
1508
 
                         ], state._log)
1509
 
        self.assertEqual([('f', link_or_sha1, 14, False, packed_stat)],
1510
 
                         entry[1])
1511
 
 
1512
 
        # Subsequent calls will just return the cached value
1513
 
        link_or_sha1 = state.update_entry(entry, abspath='a',
1514
 
                                          stat_value=stat_value)
1515
 
        self.assertEqual('b50e5406bb5e153ebbeb20268fcf37c87e1ecfb6',
1516
 
                         link_or_sha1)
1517
 
        self.assertEqual([('sha1', 'a'), ('is_exec', mode, False),
1518
 
                          ('sha1', 'a'), ('is_exec', mode, False),
1519
 
                          ('sha1', 'a'), ('is_exec', mode, False),
1520
 
                         ], state._log)
1521
 
        self.assertEqual([('f', link_or_sha1, 14, False, packed_stat)],
1522
 
                         entry[1])
1523
 
 
1524
 
    def test_update_entry_symlink(self):
1525
 
        """Update entry should read symlinks."""
1526
 
        if not osutils.has_symlinks():
1527
 
            # PlatformDeficiency / TestSkipped
1528
 
            raise TestSkipped("No symlink support")
1529
 
        state, entry = self.get_state_with_a()
1530
 
        state.save()
1531
 
        self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
1532
 
                         state._dirblock_state)
1533
 
        os.symlink('target', 'a')
1534
 
 
1535
 
        state.adjust_time(-10) # Make the symlink look new
1536
 
        stat_value = os.lstat('a')
1537
 
        packed_stat = dirstate.pack_stat(stat_value)
1538
 
        link_or_sha1 = state.update_entry(entry, abspath='a',
1539
 
                                          stat_value=stat_value)
1540
 
        self.assertEqual('target', link_or_sha1)
1541
 
        self.assertEqual([('read_link', 'a', '')], state._log)
1542
 
        # Dirblock is not updated (the link is too new)
1543
 
        self.assertEqual([('l', '', 6, False, dirstate.DirState.NULLSTAT)],
1544
 
                         entry[1])
1545
 
        self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
1546
 
                         state._dirblock_state)
1547
 
 
1548
 
        # Because the stat_value looks new, we should re-read the target
1549
 
        link_or_sha1 = state.update_entry(entry, abspath='a',
1550
 
                                          stat_value=stat_value)
1551
 
        self.assertEqual('target', link_or_sha1)
1552
 
        self.assertEqual([('read_link', 'a', ''),
1553
 
                          ('read_link', 'a', ''),
1554
 
                         ], state._log)
1555
 
        self.assertEqual([('l', '', 6, False, dirstate.DirState.NULLSTAT)],
1556
 
                         entry[1])
1557
 
        state.adjust_time(+20) # Skip into the future, all files look old
1558
 
        link_or_sha1 = state.update_entry(entry, abspath='a',
1559
 
                                          stat_value=stat_value)
1560
 
        self.assertEqual('target', link_or_sha1)
1561
 
        # We need to re-read the link because only now can we cache it
1562
 
        self.assertEqual([('read_link', 'a', ''),
1563
 
                          ('read_link', 'a', ''),
1564
 
                          ('read_link', 'a', ''),
1565
 
                         ], state._log)
1566
 
        self.assertEqual([('l', 'target', 6, False, packed_stat)],
1567
 
                         entry[1])
1568
 
 
1569
 
        # Another call won't re-read the link
1570
 
        self.assertEqual([('read_link', 'a', ''),
1571
 
                          ('read_link', 'a', ''),
1572
 
                          ('read_link', 'a', ''),
1573
 
                         ], state._log)
1574
 
        link_or_sha1 = state.update_entry(entry, abspath='a',
1575
 
                                          stat_value=stat_value)
1576
 
        self.assertEqual('target', link_or_sha1)
1577
 
        self.assertEqual([('l', 'target', 6, False, packed_stat)],
1578
 
                         entry[1])
1579
 
 
1580
 
    def do_update_entry(self, state, entry, abspath):
1581
 
        stat_value = os.lstat(abspath)
1582
 
        return state.update_entry(entry, abspath, stat_value)
1583
 
 
1584
 
    def test_update_entry_dir(self):
1585
 
        state, entry = self.get_state_with_a()
1586
 
        self.build_tree(['a/'])
1587
 
        self.assertIs(None, self.do_update_entry(state, entry, 'a'))
1588
 
 
1589
 
    def test_update_entry_dir_unchanged(self):
1590
 
        state, entry = self.get_state_with_a()
1591
 
        self.build_tree(['a/'])
1592
 
        state.adjust_time(+20)
1593
 
        self.assertIs(None, self.do_update_entry(state, entry, 'a'))
1594
 
        self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
1595
 
                         state._dirblock_state)
1596
 
        state.save()
1597
 
        self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
1598
 
                         state._dirblock_state)
1599
 
        self.assertIs(None, self.do_update_entry(state, entry, 'a'))
1600
 
        self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
1601
 
                         state._dirblock_state)
1602
 
 
1603
 
    def test_update_entry_file_unchanged(self):
1604
 
        state, entry = self.get_state_with_a()
1605
 
        self.build_tree(['a'])
1606
 
        sha1sum = 'b50e5406bb5e153ebbeb20268fcf37c87e1ecfb6'
1607
 
        state.adjust_time(+20)
1608
 
        self.assertEqual(sha1sum, self.do_update_entry(state, entry, 'a'))
1609
 
        self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
1610
 
                         state._dirblock_state)
1611
 
        state.save()
1612
 
        self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
1613
 
                         state._dirblock_state)
1614
 
        self.assertEqual(sha1sum, self.do_update_entry(state, entry, 'a'))
1615
 
        self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
1616
 
                         state._dirblock_state)
1617
 
 
1618
 
    def create_and_test_file(self, state, entry):
1619
 
        """Create a file at 'a' and verify the state finds it.
1620
 
 
1621
 
        The state should already be versioning *something* at 'a'. This makes
1622
 
        sure that state.update_entry recognizes it as a file.
1623
 
        """
1624
 
        self.build_tree(['a'])
1625
 
        stat_value = os.lstat('a')
1626
 
        packed_stat = dirstate.pack_stat(stat_value)
1627
 
 
1628
 
        link_or_sha1 = self.do_update_entry(state, entry, abspath='a')
1629
 
        self.assertEqual('b50e5406bb5e153ebbeb20268fcf37c87e1ecfb6',
1630
 
                         link_or_sha1)
1631
 
        self.assertEqual([('f', link_or_sha1, 14, False, packed_stat)],
1632
 
                         entry[1])
1633
 
        return packed_stat
1634
 
 
1635
 
    def create_and_test_dir(self, state, entry):
1636
 
        """Create a directory at 'a' and verify the state finds it.
1637
 
 
1638
 
        The state should already be versioning *something* at 'a'. This makes
1639
 
        sure that state.update_entry recognizes it as a directory.
1640
 
        """
1641
 
        self.build_tree(['a/'])
1642
 
        stat_value = os.lstat('a')
1643
 
        packed_stat = dirstate.pack_stat(stat_value)
1644
 
 
1645
 
        link_or_sha1 = self.do_update_entry(state, entry, abspath='a')
1646
 
        self.assertIs(None, link_or_sha1)
1647
 
        self.assertEqual([('d', '', 0, False, packed_stat)], entry[1])
1648
 
 
1649
 
        return packed_stat
1650
 
 
1651
 
    def create_and_test_symlink(self, state, entry):
1652
 
        """Create a symlink at 'a' and verify the state finds it.
1653
 
 
1654
 
        The state should already be versioning *something* at 'a'. This makes
1655
 
        sure that state.update_entry recognizes it as a symlink.
1656
 
 
1657
 
        This should not be called if this platform does not have symlink
1658
 
        support.
1659
 
        """
1660
 
        # caller should care about skipping test on platforms without symlinks
1661
 
        os.symlink('path/to/foo', 'a')
1662
 
 
1663
 
        stat_value = os.lstat('a')
1664
 
        packed_stat = dirstate.pack_stat(stat_value)
1665
 
 
1666
 
        link_or_sha1 = self.do_update_entry(state, entry, abspath='a')
1667
 
        self.assertEqual('path/to/foo', link_or_sha1)
1668
 
        self.assertEqual([('l', 'path/to/foo', 11, False, packed_stat)],
1669
 
                         entry[1])
1670
 
        return packed_stat
1671
 
 
1672
 
    def test_update_file_to_dir(self):
1673
 
        """If a file changes to a directory we return None for the sha.
1674
 
        We also update the inventory record.
1675
 
        """
1676
 
        state, entry = self.get_state_with_a()
1677
 
        # The file sha1 won't be cached unless the file is old
1678
 
        state.adjust_time(+10)
1679
 
        self.create_and_test_file(state, entry)
1680
 
        os.remove('a')
1681
 
        self.create_and_test_dir(state, entry)
1682
 
 
1683
 
    def test_update_file_to_symlink(self):
1684
 
        """File becomes a symlink"""
1685
 
        if not osutils.has_symlinks():
1686
 
            # PlatformDeficiency / TestSkipped
1687
 
            raise TestSkipped("No symlink support")
1688
 
        state, entry = self.get_state_with_a()
1689
 
        # The file sha1 won't be cached unless the file is old
1690
 
        state.adjust_time(+10)
1691
 
        self.create_and_test_file(state, entry)
1692
 
        os.remove('a')
1693
 
        self.create_and_test_symlink(state, entry)
1694
 
 
1695
 
    def test_update_dir_to_file(self):
1696
 
        """Directory becoming a file updates the entry."""
1697
 
        state, entry = self.get_state_with_a()
1698
 
        # The file sha1 won't be cached unless the file is old
1699
 
        state.adjust_time(+10)
1700
 
        self.create_and_test_dir(state, entry)
1701
 
        os.rmdir('a')
1702
 
        self.create_and_test_file(state, entry)
1703
 
 
1704
 
    def test_update_dir_to_symlink(self):
1705
 
        """Directory becomes a symlink"""
1706
 
        if not osutils.has_symlinks():
1707
 
            # PlatformDeficiency / TestSkipped
1708
 
            raise TestSkipped("No symlink support")
1709
 
        state, entry = self.get_state_with_a()
1710
 
        # The symlink target won't be cached if it isn't old
1711
 
        state.adjust_time(+10)
1712
 
        self.create_and_test_dir(state, entry)
1713
 
        os.rmdir('a')
1714
 
        self.create_and_test_symlink(state, entry)
1715
 
 
1716
 
    def test_update_symlink_to_file(self):
1717
 
        """Symlink becomes a file"""
1718
 
        if not has_symlinks():
1719
 
            raise TestSkipped("No symlink support")
1720
 
        state, entry = self.get_state_with_a()
1721
 
        # The symlink and file info won't be cached unless old
1722
 
        state.adjust_time(+10)
1723
 
        self.create_and_test_symlink(state, entry)
1724
 
        os.remove('a')
1725
 
        self.create_and_test_file(state, entry)
1726
 
 
1727
 
    def test_update_symlink_to_dir(self):
1728
 
        """Symlink becomes a directory"""
1729
 
        if not has_symlinks():
1730
 
            raise TestSkipped("No symlink support")
1731
 
        state, entry = self.get_state_with_a()
1732
 
        # The symlink target won't be cached if it isn't old
1733
 
        state.adjust_time(+10)
1734
 
        self.create_and_test_symlink(state, entry)
1735
 
        os.remove('a')
1736
 
        self.create_and_test_dir(state, entry)
1737
 
 
1738
 
    def test__is_executable_win32(self):
1739
 
        state, entry = self.get_state_with_a()
1740
 
        self.build_tree(['a'])
1741
 
 
1742
 
        # Make sure we are using the win32 implementation of _is_executable
1743
 
        state._is_executable = state._is_executable_win32
1744
 
 
1745
 
        # The file on disk is not executable, but we are marking it as though
1746
 
        # it is. With _is_executable_win32 we ignore what is on disk.
1747
 
        entry[1][0] = ('f', '', 0, True, dirstate.DirState.NULLSTAT)
1748
 
 
1749
 
        stat_value = os.lstat('a')
1750
 
        packed_stat = dirstate.pack_stat(stat_value)
1751
 
 
1752
 
        state.adjust_time(-10) # Make sure everything is new
1753
 
        state.update_entry(entry, abspath='a', stat_value=stat_value)
1754
 
 
1755
 
        # The row is updated, but the executable bit stays set.
1756
 
        self.assertEqual([('f', '', 14, True, dirstate.DirState.NULLSTAT)],
1757
 
                         entry[1])
1758
 
 
1759
 
        # Make the disk object look old enough to cache
1760
 
        state.adjust_time(+20)
1761
 
        digest = 'b50e5406bb5e153ebbeb20268fcf37c87e1ecfb6'
1762
 
        state.update_entry(entry, abspath='a', stat_value=stat_value)
1763
 
        self.assertEqual([('f', digest, 14, True, packed_stat)], entry[1])
1764
 
 
1765
 
 
1766
 
class TestPackStat(TestCaseWithTransport):
1767
 
 
1768
 
    def assertPackStat(self, expected, stat_value):
1769
 
        """Check the packed and serialized form of a stat value."""
1770
 
        self.assertEqual(expected, dirstate.pack_stat(stat_value))
1771
 
 
1772
 
    def test_pack_stat_int(self):
1773
 
        st = _FakeStat(6859L, 1172758614, 1172758617, 777L, 6499538L, 0100644)
1774
 
        # Make sure that all parameters have an impact on the packed stat.
1775
 
        self.assertPackStat('AAAay0Xm4FZF5uBZAAADCQBjLNIAAIGk', st)
1776
 
        st.st_size = 7000L
1777
 
        #                ay0 => bWE
1778
 
        self.assertPackStat('AAAbWEXm4FZF5uBZAAADCQBjLNIAAIGk', st)
1779
 
        st.st_mtime = 1172758620
1780
 
        #                     4FZ => 4Fx
1781
 
        self.assertPackStat('AAAbWEXm4FxF5uBZAAADCQBjLNIAAIGk', st)
1782
 
        st.st_ctime = 1172758630
1783
 
        #                          uBZ => uBm
1784
 
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADCQBjLNIAAIGk', st)
1785
 
        st.st_dev = 888L
1786
 
        #                                DCQ => DeA
1787
 
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADeABjLNIAAIGk', st)
1788
 
        st.st_ino = 6499540L
1789
 
        #                                     LNI => LNQ
1790
 
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADeABjLNQAAIGk', st)
1791
 
        st.st_mode = 0100744
1792
 
        #                                          IGk => IHk
1793
 
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADeABjLNQAAIHk', st)
1794
 
 
1795
 
    def test_pack_stat_float(self):
1796
 
        """On some platforms mtime and ctime are floats.
1797
 
 
1798
 
        Make sure we don't get warnings or errors, and that we ignore changes <
1799
 
        1s
1800
 
        """
1801
 
        st = _FakeStat(7000L, 1172758614.0, 1172758617.0,
1802
 
                       777L, 6499538L, 0100644)
1803
 
        # These should all be the same as the integer counterparts
1804
 
        self.assertPackStat('AAAbWEXm4FZF5uBZAAADCQBjLNIAAIGk', st)
1805
 
        st.st_mtime = 1172758620.0
1806
 
        #                     FZF5 => FxF5
1807
 
        self.assertPackStat('AAAbWEXm4FxF5uBZAAADCQBjLNIAAIGk', st)
1808
 
        st.st_ctime = 1172758630.0
1809
 
        #                          uBZ => uBm
1810
 
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADCQBjLNIAAIGk', st)
1811
 
        # fractional seconds are discarded, so no change from above
1812
 
        st.st_mtime = 1172758620.453
1813
 
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADCQBjLNIAAIGk', st)
1814
 
        st.st_ctime = 1172758630.228
1815
 
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADCQBjLNIAAIGk', st)
1816
 
 
1817
 
 
1818
 
class TestBisect(TestCaseWithDirState):
1819
 
    """Test the ability to bisect into the disk format."""
1820
 
 
1821
 
 
1822
 
    def assertBisect(self, expected_map, map_keys, state, paths):
1823
 
        """Assert that bisecting for paths returns the right result.
1824
 
 
1825
 
        :param expected_map: A map from key => entry value
1826
 
        :param map_keys: The keys to expect for each path
1827
 
        :param state: The DirState object.
1828
 
        :param paths: A list of paths, these will automatically be split into
1829
 
                      (dir, name) tuples, and sorted according to how _bisect
1830
 
                      requires.
1831
 
        """
1832
 
        dir_names = sorted(osutils.split(p) for p in paths)
1833
 
        result = state._bisect(dir_names)
1834
 
        # For now, results are just returned in whatever order we read them.
1835
 
        # We could sort by (dir, name, file_id) or something like that, but in
1836
 
        # the end it would still be fairly arbitrary, and we don't want the
1837
 
        # extra overhead if we can avoid it. So sort everything to make sure
1838
 
        # equality is true
1839
 
        assert len(map_keys) == len(dir_names)
1840
 
        expected = {}
1841
 
        for dir_name, keys in zip(dir_names, map_keys):
1842
 
            if keys is None:
1843
 
                # This should not be present in the output
1844
 
                continue
1845
 
            expected[dir_name] = sorted(expected_map[k] for k in keys)
1846
 
 
1847
 
        for dir_name in result:
1848
 
            result[dir_name].sort()
1849
 
 
1850
 
        self.assertEqual(expected, result)
1851
 
 
1852
 
    def assertBisectDirBlocks(self, expected_map, map_keys, state, paths):
1853
 
        """Assert that bisecting for dirbblocks returns the right result.
1854
 
 
1855
 
        :param expected_map: A map from key => expected values
1856
 
        :param map_keys: A nested list of paths we expect to be returned.
1857
 
            Something like [['a', 'b', 'f'], ['b/c', 'b/d']]
1858
 
        :param state: The DirState object.
1859
 
        :param paths: A list of directories
1860
 
        """
1861
 
        result = state._bisect_dirblocks(paths)
1862
 
        assert len(map_keys) == len(paths)
1863
 
 
1864
 
        expected = {}
1865
 
        for path, keys in zip(paths, map_keys):
1866
 
            if keys is None:
1867
 
                # This should not be present in the output
1868
 
                continue
1869
 
            expected[path] = sorted(expected_map[k] for k in keys)
1870
 
        for path in result:
1871
 
            result[path].sort()
1872
 
 
1873
 
        self.assertEqual(expected, result)
1874
 
 
1875
 
    def assertBisectRecursive(self, expected_map, map_keys, state, paths):
1876
 
        """Assert the return value of a recursive bisection.
1877
 
 
1878
 
        :param expected_map: A map from key => entry value
1879
 
        :param map_keys: A list of paths we expect to be returned.
1880
 
            Something like ['a', 'b', 'f', 'b/d', 'b/d2']
1881
 
        :param state: The DirState object.
1882
 
        :param paths: A list of files and directories. It will be broken up
1883
 
            into (dir, name) pairs and sorted before calling _bisect_recursive.
1884
 
        """
1885
 
        expected = {}
1886
 
        for key in map_keys:
1887
 
            entry = expected_map[key]
1888
 
            dir_name_id, trees_info = entry
1889
 
            expected[dir_name_id] = trees_info
1890
 
 
1891
 
        dir_names = sorted(osutils.split(p) for p in paths)
1892
 
        result = state._bisect_recursive(dir_names)
1893
 
 
1894
 
        self.assertEqual(expected, result)
1895
 
 
1896
 
    def test_bisect_each(self):
1897
 
        """Find a single record using bisect."""
1898
 
        tree, state, expected = self.create_basic_dirstate()
1899
 
 
1900
 
        # Bisect should return the rows for the specified files.
1901
 
        self.assertBisect(expected, [['']], state, [''])
1902
 
        self.assertBisect(expected, [['a']], state, ['a'])
1903
 
        self.assertBisect(expected, [['b']], state, ['b'])
1904
 
        self.assertBisect(expected, [['b/c']], state, ['b/c'])
1905
 
        self.assertBisect(expected, [['b/d']], state, ['b/d'])
1906
 
        self.assertBisect(expected, [['b/d/e']], state, ['b/d/e'])
1907
 
        self.assertBisect(expected, [['f']], state, ['f'])
1908
 
 
1909
 
    def test_bisect_multi(self):
1910
 
        """Bisect can be used to find multiple records at the same time."""
1911
 
        tree, state, expected = self.create_basic_dirstate()
1912
 
        # Bisect should be capable of finding multiple entries at the same time
1913
 
        self.assertBisect(expected, [['a'], ['b'], ['f']],
1914
 
                          state, ['a', 'b', 'f'])
1915
 
        # ('', 'f') sorts before the others
1916
 
        self.assertBisect(expected, [['f'], ['b/d'], ['b/d/e']],
1917
 
                          state, ['b/d', 'b/d/e', 'f'])
1918
 
 
1919
 
    def test_bisect_one_page(self):
1920
 
        """Test bisect when there is only 1 page to read"""
1921
 
        tree, state, expected = self.create_basic_dirstate()
1922
 
        state._bisect_page_size = 5000
1923
 
        self.assertBisect(expected,[['']], state, [''])
1924
 
        self.assertBisect(expected,[['a']], state, ['a'])
1925
 
        self.assertBisect(expected,[['b']], state, ['b'])
1926
 
        self.assertBisect(expected,[['b/c']], state, ['b/c'])
1927
 
        self.assertBisect(expected,[['b/d']], state, ['b/d'])
1928
 
        self.assertBisect(expected,[['b/d/e']], state, ['b/d/e'])
1929
 
        self.assertBisect(expected,[['f']], state, ['f'])
1930
 
        self.assertBisect(expected,[['a'], ['b'], ['f']],
1931
 
                          state, ['a', 'b', 'f'])
1932
 
        # ('', 'f') sorts before the others
1933
 
        self.assertBisect(expected, [['f'], ['b/d'], ['b/d/e']],
1934
 
                          state, ['b/d', 'b/d/e', 'f'])
1935
 
 
1936
 
    def test_bisect_duplicate_paths(self):
1937
 
        """When bisecting for a path, handle multiple entries."""
1938
 
        tree, state, expected = self.create_duplicated_dirstate()
1939
 
 
1940
 
        # Now make sure that both records are properly returned.
1941
 
        self.assertBisect(expected, [['']], state, [''])
1942
 
        self.assertBisect(expected, [['a', 'a2']], state, ['a'])
1943
 
        self.assertBisect(expected, [['b', 'b2']], state, ['b'])
1944
 
        self.assertBisect(expected, [['b/c', 'b/c2']], state, ['b/c'])
1945
 
        self.assertBisect(expected, [['b/d', 'b/d2']], state, ['b/d'])
1946
 
        self.assertBisect(expected, [['b/d/e', 'b/d/e2']],
1947
 
                          state, ['b/d/e'])
1948
 
        self.assertBisect(expected, [['f', 'f2']], state, ['f'])
1949
 
 
1950
 
    def test_bisect_page_size_too_small(self):
1951
 
        """If the page size is too small, we will auto increase it."""
1952
 
        tree, state, expected = self.create_basic_dirstate()
1953
 
        state._bisect_page_size = 50
1954
 
        self.assertBisect(expected, [None], state, ['b/e'])
1955
 
        self.assertBisect(expected, [['a']], state, ['a'])
1956
 
        self.assertBisect(expected, [['b']], state, ['b'])
1957
 
        self.assertBisect(expected, [['b/c']], state, ['b/c'])
1958
 
        self.assertBisect(expected, [['b/d']], state, ['b/d'])
1959
 
        self.assertBisect(expected, [['b/d/e']], state, ['b/d/e'])
1960
 
        self.assertBisect(expected, [['f']], state, ['f'])
1961
 
 
1962
 
    def test_bisect_missing(self):
1963
 
        """Test that bisect return None if it cannot find a path."""
1964
 
        tree, state, expected = self.create_basic_dirstate()
1965
 
        self.assertBisect(expected, [None], state, ['foo'])
1966
 
        self.assertBisect(expected, [None], state, ['b/foo'])
1967
 
        self.assertBisect(expected, [None], state, ['bar/foo'])
1968
 
 
1969
 
        self.assertBisect(expected, [['a'], None, ['b/d']],
1970
 
                          state, ['a', 'foo', 'b/d'])
1971
 
 
1972
 
    def test_bisect_rename(self):
1973
 
        """Check that we find a renamed row."""
1974
 
        tree, state, expected = self.create_renamed_dirstate()
1975
 
 
1976
 
        # Search for the pre and post renamed entries
1977
 
        self.assertBisect(expected, [['a']], state, ['a'])
1978
 
        self.assertBisect(expected, [['b/g']], state, ['b/g'])
1979
 
        self.assertBisect(expected, [['b/d']], state, ['b/d'])
1980
 
        self.assertBisect(expected, [['h']], state, ['h'])
1981
 
 
1982
 
        # What about b/d/e? shouldn't that also get 2 directory entries?
1983
 
        self.assertBisect(expected, [['b/d/e']], state, ['b/d/e'])
1984
 
        self.assertBisect(expected, [['h/e']], state, ['h/e'])
1985
 
 
1986
 
    def test_bisect_dirblocks(self):
1987
 
        tree, state, expected = self.create_duplicated_dirstate()
1988
 
        self.assertBisectDirBlocks(expected,
1989
 
            [['', 'a', 'a2', 'b', 'b2', 'f', 'f2']], state, [''])
1990
 
        self.assertBisectDirBlocks(expected,
1991
 
            [['b/c', 'b/c2', 'b/d', 'b/d2']], state, ['b'])
1992
 
        self.assertBisectDirBlocks(expected,
1993
 
            [['b/d/e', 'b/d/e2']], state, ['b/d'])
1994
 
        self.assertBisectDirBlocks(expected,
1995
 
            [['', 'a', 'a2', 'b', 'b2', 'f', 'f2'],
1996
 
             ['b/c', 'b/c2', 'b/d', 'b/d2'],
1997
 
             ['b/d/e', 'b/d/e2'],
1998
 
            ], state, ['', 'b', 'b/d'])
1999
 
 
2000
 
    def test_bisect_dirblocks_missing(self):
2001
 
        tree, state, expected = self.create_basic_dirstate()
2002
 
        self.assertBisectDirBlocks(expected, [['b/d/e'], None],
2003
 
            state, ['b/d', 'b/e'])
2004
 
        # Files don't show up in this search
2005
 
        self.assertBisectDirBlocks(expected, [None], state, ['a'])
2006
 
        self.assertBisectDirBlocks(expected, [None], state, ['b/c'])
2007
 
        self.assertBisectDirBlocks(expected, [None], state, ['c'])
2008
 
        self.assertBisectDirBlocks(expected, [None], state, ['b/d/e'])
2009
 
        self.assertBisectDirBlocks(expected, [None], state, ['f'])
2010
 
 
2011
 
    def test_bisect_recursive_each(self):
2012
 
        tree, state, expected = self.create_basic_dirstate()
2013
 
        self.assertBisectRecursive(expected, ['a'], state, ['a'])
2014
 
        self.assertBisectRecursive(expected, ['b/c'], state, ['b/c'])
2015
 
        self.assertBisectRecursive(expected, ['b/d/e'], state, ['b/d/e'])
2016
 
        self.assertBisectRecursive(expected, ['b/d', 'b/d/e'],
2017
 
                                   state, ['b/d'])
2018
 
        self.assertBisectRecursive(expected, ['b', 'b/c', 'b/d', 'b/d/e'],
2019
 
                                   state, ['b'])
2020
 
        self.assertBisectRecursive(expected, ['', 'a', 'b', 'f', 'b/c',
2021
 
                                              'b/d', 'b/d/e'],
2022
 
                                   state, [''])
2023
 
 
2024
 
    def test_bisect_recursive_multiple(self):
2025
 
        tree, state, expected = self.create_basic_dirstate()
2026
 
        self.assertBisectRecursive(expected, ['a', 'b/c'], state, ['a', 'b/c'])
2027
 
        self.assertBisectRecursive(expected, ['b/d', 'b/d/e'],
2028
 
                                   state, ['b/d', 'b/d/e'])
2029
 
 
2030
 
    def test_bisect_recursive_missing(self):
2031
 
        tree, state, expected = self.create_basic_dirstate()
2032
 
        self.assertBisectRecursive(expected, [], state, ['d'])
2033
 
        self.assertBisectRecursive(expected, [], state, ['b/e'])
2034
 
        self.assertBisectRecursive(expected, [], state, ['g'])
2035
 
        self.assertBisectRecursive(expected, ['a'], state, ['a', 'g'])
2036
 
 
2037
 
    def test_bisect_recursive_renamed(self):
2038
 
        tree, state, expected = self.create_renamed_dirstate()
2039
 
 
2040
 
        # Looking for either renamed item should find the other
2041
 
        self.assertBisectRecursive(expected, ['a', 'b/g'], state, ['a'])
2042
 
        self.assertBisectRecursive(expected, ['a', 'b/g'], state, ['b/g'])
2043
 
        # Looking in the containing directory should find the rename target,
2044
 
        # and anything in a subdir of the renamed target.
2045
 
        self.assertBisectRecursive(expected, ['a', 'b', 'b/c', 'b/d',
2046
 
                                              'b/d/e', 'b/g', 'h', 'h/e'],
2047
 
                                   state, ['b'])
2048
 
 
2049
 
 
2050
 
class TestBisectDirblock(TestCase):
2051
 
    """Test that bisect_dirblock() returns the expected values.
2052
 
 
2053
 
    bisect_dirblock is intended to work like bisect.bisect_left() except it
2054
 
    knows it is working on dirblocks and that dirblocks are sorted by ('path',
2055
 
    'to', 'foo') chunks rather than by raw 'path/to/foo'.
2056
 
    """
2057
 
 
2058
 
    def assertBisect(self, dirblocks, split_dirblocks, path, *args, **kwargs):
2059
 
        """Assert that bisect_split works like bisect_left on the split paths.
2060
 
 
2061
 
        :param dirblocks: A list of (path, [info]) pairs.
2062
 
        :param split_dirblocks: A list of ((split, path), [info]) pairs.
2063
 
        :param path: The path we are indexing.
2064
 
 
2065
 
        All other arguments will be passed along.
2066
 
        """
2067
 
        bisect_split_idx = dirstate.bisect_dirblock(dirblocks, path,
2068
 
                                                 *args, **kwargs)
2069
 
        split_dirblock = (path.split('/'), [])
2070
 
        bisect_left_idx = bisect.bisect_left(split_dirblocks, split_dirblock,
2071
 
                                             *args)
2072
 
        self.assertEqual(bisect_left_idx, bisect_split_idx,
2073
 
                         'bisect_split disagreed. %s != %s'
2074
 
                         ' for key %s'
2075
 
                         % (bisect_left_idx, bisect_split_idx, path)
2076
 
                         )
2077
 
 
2078
 
    def paths_to_dirblocks(self, paths):
2079
 
        """Convert a list of paths into dirblock form.
2080
 
 
2081
 
        Also, ensure that the paths are in proper sorted order.
2082
 
        """
2083
 
        dirblocks = [(path, []) for path in paths]
2084
 
        split_dirblocks = [(path.split('/'), []) for path in paths]
2085
 
        self.assertEqual(sorted(split_dirblocks), split_dirblocks)
2086
 
        return dirblocks, split_dirblocks
2087
 
 
2088
 
    def test_simple(self):
2089
 
        """In the simple case it works just like bisect_left"""
2090
 
        paths = ['', 'a', 'b', 'c', 'd']
2091
 
        dirblocks, split_dirblocks = self.paths_to_dirblocks(paths)
2092
 
        for path in paths:
2093
 
            self.assertBisect(dirblocks, split_dirblocks, path)
2094
 
        self.assertBisect(dirblocks, split_dirblocks, '_')
2095
 
        self.assertBisect(dirblocks, split_dirblocks, 'aa')
2096
 
        self.assertBisect(dirblocks, split_dirblocks, 'bb')
2097
 
        self.assertBisect(dirblocks, split_dirblocks, 'cc')
2098
 
        self.assertBisect(dirblocks, split_dirblocks, 'dd')
2099
 
        self.assertBisect(dirblocks, split_dirblocks, 'a/a')
2100
 
        self.assertBisect(dirblocks, split_dirblocks, 'b/b')
2101
 
        self.assertBisect(dirblocks, split_dirblocks, 'c/c')
2102
 
        self.assertBisect(dirblocks, split_dirblocks, 'd/d')
2103
 
 
2104
 
    def test_involved(self):
2105
 
        """This is where bisect_left diverges slightly."""
2106
 
        paths = ['', 'a',
2107
 
                 'a/a', 'a/a/a', 'a/a/z', 'a/a-a', 'a/a-z',
2108
 
                 'a/z', 'a/z/a', 'a/z/z', 'a/z-a', 'a/z-z',
2109
 
                 'a-a', 'a-z',
2110
 
                 'z', 'z/a/a', 'z/a/z', 'z/a-a', 'z/a-z',
2111
 
                 'z/z', 'z/z/a', 'z/z/z', 'z/z-a', 'z/z-z',
2112
 
                 'z-a', 'z-z',
2113
 
                ]
2114
 
        dirblocks, split_dirblocks = self.paths_to_dirblocks(paths)
2115
 
        for path in paths:
2116
 
            self.assertBisect(dirblocks, split_dirblocks, path)
2117
 
 
2118
 
    def test_involved_cached(self):
2119
 
        """This is where bisect_left diverges slightly."""
2120
 
        paths = ['', 'a',
2121
 
                 'a/a', 'a/a/a', 'a/a/z', 'a/a-a', 'a/a-z',
2122
 
                 'a/z', 'a/z/a', 'a/z/z', 'a/z-a', 'a/z-z',
2123
 
                 'a-a', 'a-z',
2124
 
                 'z', 'z/a/a', 'z/a/z', 'z/a-a', 'z/a-z',
2125
 
                 'z/z', 'z/z/a', 'z/z/z', 'z/z-a', 'z/z-z',
2126
 
                 'z-a', 'z-z',
2127
 
                ]
2128
 
        cache = {}
2129
 
        dirblocks, split_dirblocks = self.paths_to_dirblocks(paths)
2130
 
        for path in paths:
2131
 
            self.assertBisect(dirblocks, split_dirblocks, path, cache=cache)
2132
 
 
2133
 
 
2134
 
class TestDirstateValidation(TestCaseWithDirState):
2135
 
 
2136
 
    def test_validate_correct_dirstate(self):
2137
 
        state = self.create_complex_dirstate()
2138
 
        state._validate()
2139
 
        state.unlock()
2140
 
        # and make sure we can also validate with a read lock
2141
 
        state.lock_read()
2142
 
        try:
2143
 
            state._validate()
2144
 
        finally:
2145
 
            state.unlock()
2146
 
 
2147
 
    def test_dirblock_not_sorted(self):
2148
 
        tree, state, expected = self.create_renamed_dirstate()
2149
 
        state._read_dirblocks_if_needed()
2150
 
        last_dirblock = state._dirblocks[-1]
2151
 
        # we're appending to the dirblock, but this name comes before some of
2152
 
        # the existing names; that's wrong
2153
 
        last_dirblock[1].append(
2154
 
            (('h', 'aaaa', 'a-id'),
2155
 
             [('a', '', 0, False, ''),
2156
 
              ('a', '', 0, False, '')]))
2157
 
        e = self.assertRaises(AssertionError,
2158
 
            state._validate)
2159
 
        self.assertContainsRe(str(e), 'not sorted')
2160
 
 
2161
 
    def test_dirblock_name_mismatch(self):
2162
 
        tree, state, expected = self.create_renamed_dirstate()
2163
 
        state._read_dirblocks_if_needed()
2164
 
        last_dirblock = state._dirblocks[-1]
2165
 
        # add an entry with the wrong directory name
2166
 
        last_dirblock[1].append(
2167
 
            (('', 'z', 'a-id'),
2168
 
             [('a', '', 0, False, ''),
2169
 
              ('a', '', 0, False, '')]))
2170
 
        e = self.assertRaises(AssertionError,
2171
 
            state._validate)
2172
 
        self.assertContainsRe(str(e),
2173
 
            "doesn't match directory name")
2174
 
 
2175
 
    def test_dirblock_missing_rename(self):
2176
 
        tree, state, expected = self.create_renamed_dirstate()
2177
 
        state._read_dirblocks_if_needed()
2178
 
        last_dirblock = state._dirblocks[-1]
2179
 
        # make another entry for a-id, without a correct 'r' pointer to
2180
 
        # the real occurrence in the working tree
2181
 
        last_dirblock[1].append(
2182
 
            (('h', 'z', 'a-id'),
2183
 
             [('a', '', 0, False, ''),
2184
 
              ('a', '', 0, False, '')]))
2185
 
        e = self.assertRaises(AssertionError,
2186
 
            state._validate)
2187
 
        self.assertContainsRe(str(e),
2188
 
            'file a-id is absent in row')