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  • Committer: Canonical.com Patch Queue Manager
  • Date: 2008-06-20 01:09:18 UTC
  • mfrom: (3505.1.1 ianc-integration)
  • Revision ID: pqm@pqm.ubuntu.com-20080620010918-64z4xylh1ap5hgyf
Accept user names with @s in URLs (Neil Martinsen-Burrell)

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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
    inventory,
 
27
    osutils,
 
28
    )
 
29
from bzrlib.memorytree import MemoryTree
 
30
from bzrlib.tests import (
 
31
        SymlinkFeature,
 
32
        TestCase,
 
33
        TestCaseWithTransport,
 
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
        self.assertTrue(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
            b-c
 
193
            f
 
194
        """
 
195
        tree = self.make_branch_and_tree('tree')
 
196
        paths = ['a', 'b/', 'b/c', 'b/d/', 'b/d/e', 'b-c', 'f']
 
197
        file_ids = ['a-id', 'b-id', 'c-id', 'd-id', 'e-id', 'b-c-id', 'f-id']
 
198
        self.build_tree(['tree/' + p for p in paths])
 
199
        tree.set_root_id('TREE_ROOT')
 
200
        tree.add([p.rstrip('/') for p in paths], file_ids)
 
201
        tree.commit('initial', rev_id='rev-1')
 
202
        revision_id = 'rev-1'
 
203
        # a_packed_stat = dirstate.pack_stat(os.stat('tree/a'))
 
204
        t = self.get_transport('tree')
 
205
        a_text = t.get_bytes('a')
 
206
        a_sha = osutils.sha_string(a_text)
 
207
        a_len = len(a_text)
 
208
        # b_packed_stat = dirstate.pack_stat(os.stat('tree/b'))
 
209
        # c_packed_stat = dirstate.pack_stat(os.stat('tree/b/c'))
 
210
        c_text = t.get_bytes('b/c')
 
211
        c_sha = osutils.sha_string(c_text)
 
212
        c_len = len(c_text)
 
213
        # d_packed_stat = dirstate.pack_stat(os.stat('tree/b/d'))
 
214
        # e_packed_stat = dirstate.pack_stat(os.stat('tree/b/d/e'))
 
215
        e_text = t.get_bytes('b/d/e')
 
216
        e_sha = osutils.sha_string(e_text)
 
217
        e_len = len(e_text)
 
218
        b_c_text = t.get_bytes('b-c')
 
219
        b_c_sha = osutils.sha_string(b_c_text)
 
220
        b_c_len = len(b_c_text)
 
221
        # f_packed_stat = dirstate.pack_stat(os.stat('tree/f'))
 
222
        f_text = t.get_bytes('f')
 
223
        f_sha = osutils.sha_string(f_text)
 
224
        f_len = len(f_text)
 
225
        null_stat = dirstate.DirState.NULLSTAT
 
226
        expected = {
 
227
            '':(('', '', 'TREE_ROOT'), [
 
228
                  ('d', '', 0, False, null_stat),
 
229
                  ('d', '', 0, False, revision_id),
 
230
                ]),
 
231
            'a':(('', 'a', 'a-id'), [
 
232
                   ('f', '', 0, False, null_stat),
 
233
                   ('f', a_sha, a_len, False, revision_id),
 
234
                 ]),
 
235
            'b':(('', 'b', 'b-id'), [
 
236
                  ('d', '', 0, False, null_stat),
 
237
                  ('d', '', 0, False, revision_id),
 
238
                 ]),
 
239
            'b/c':(('b', 'c', 'c-id'), [
 
240
                    ('f', '', 0, False, null_stat),
 
241
                    ('f', c_sha, c_len, False, revision_id),
 
242
                   ]),
 
243
            'b/d':(('b', 'd', 'd-id'), [
 
244
                    ('d', '', 0, False, null_stat),
 
245
                    ('d', '', 0, False, revision_id),
 
246
                   ]),
 
247
            'b/d/e':(('b/d', 'e', 'e-id'), [
 
248
                      ('f', '', 0, False, null_stat),
 
249
                      ('f', e_sha, e_len, False, revision_id),
 
250
                     ]),
 
251
            'b-c':(('', 'b-c', 'b-c-id'), [
 
252
                      ('f', '', 0, False, null_stat),
 
253
                      ('f', b_c_sha, b_c_len, False, revision_id),
 
254
                     ]),
 
255
            'f':(('', 'f', 'f-id'), [
 
256
                  ('f', '', 0, False, null_stat),
 
257
                  ('f', f_sha, f_len, False, revision_id),
 
258
                 ]),
 
259
        }
 
260
        state = dirstate.DirState.from_tree(tree, 'dirstate')
 
261
        try:
 
262
            state.save()
 
263
        finally:
 
264
            state.unlock()
 
265
        # Use a different object, to make sure nothing is pre-cached in memory.
 
266
        state = dirstate.DirState.on_file('dirstate')
 
267
        state.lock_read()
 
268
        self.addCleanup(state.unlock)
 
269
        self.assertEqual(dirstate.DirState.NOT_IN_MEMORY,
 
270
                         state._dirblock_state)
 
271
        # This is code is only really tested if we actually have to make more
 
272
        # than one read, so set the page size to something smaller.
 
273
        # We want it to contain about 2.2 records, so that we have a couple
 
274
        # records that we can read per attempt
 
275
        state._bisect_page_size = 200
 
276
        return tree, state, expected
 
277
 
 
278
    def create_duplicated_dirstate(self):
 
279
        """Create a dirstate with a deleted and added entries.
 
280
 
 
281
        This grabs a basic_dirstate, and then removes and re adds every entry
 
282
        with a new file id.
 
283
        """
 
284
        tree, state, expected = self.create_basic_dirstate()
 
285
        # Now we will just remove and add every file so we get an extra entry
 
286
        # per entry. Unversion in reverse order so we handle subdirs
 
287
        tree.unversion(['f-id', 'b-c-id', 'e-id', 'd-id', 'c-id', 'b-id', 'a-id'])
 
288
        tree.add(['a', 'b', 'b/c', 'b/d', 'b/d/e', 'b-c', 'f'],
 
289
                 ['a-id2', 'b-id2', 'c-id2', 'd-id2', 'e-id2', 'b-c-id2', 'f-id2'])
 
290
 
 
291
        # Update the expected dictionary.
 
292
        for path in ['a', 'b', 'b/c', 'b/d', 'b/d/e', 'b-c', 'f']:
 
293
            orig = expected[path]
 
294
            path2 = path + '2'
 
295
            # This record was deleted in the current tree
 
296
            expected[path] = (orig[0], [dirstate.DirState.NULL_PARENT_DETAILS,
 
297
                                        orig[1][1]])
 
298
            new_key = (orig[0][0], orig[0][1], orig[0][2]+'2')
 
299
            # And didn't exist in the basis tree
 
300
            expected[path2] = (new_key, [orig[1][0],
 
301
                                         dirstate.DirState.NULL_PARENT_DETAILS])
 
302
 
 
303
        # We will replace the 'dirstate' file underneath 'state', but that is
 
304
        # okay as lock as we unlock 'state' first.
 
305
        state.unlock()
 
306
        try:
 
307
            new_state = dirstate.DirState.from_tree(tree, 'dirstate')
 
308
            try:
 
309
                new_state.save()
 
310
            finally:
 
311
                new_state.unlock()
 
312
        finally:
 
313
            # But we need to leave state in a read-lock because we already have
 
314
            # a cleanup scheduled
 
315
            state.lock_read()
 
316
        return tree, state, expected
 
317
 
 
318
    def create_renamed_dirstate(self):
 
319
        """Create a dirstate with a few internal renames.
 
320
 
 
321
        This takes the basic dirstate, and moves the paths around.
 
322
        """
 
323
        tree, state, expected = self.create_basic_dirstate()
 
324
        # Rename a file
 
325
        tree.rename_one('a', 'b/g')
 
326
        # And a directory
 
327
        tree.rename_one('b/d', 'h')
 
328
 
 
329
        old_a = expected['a']
 
330
        expected['a'] = (old_a[0], [('r', 'b/g', 0, False, ''), old_a[1][1]])
 
331
        expected['b/g'] = (('b', 'g', 'a-id'), [old_a[1][0],
 
332
                                                ('r', 'a', 0, False, '')])
 
333
        old_d = expected['b/d']
 
334
        expected['b/d'] = (old_d[0], [('r', 'h', 0, False, ''), old_d[1][1]])
 
335
        expected['h'] = (('', 'h', 'd-id'), [old_d[1][0],
 
336
                                             ('r', 'b/d', 0, False, '')])
 
337
 
 
338
        old_e = expected['b/d/e']
 
339
        expected['b/d/e'] = (old_e[0], [('r', 'h/e', 0, False, ''),
 
340
                             old_e[1][1]])
 
341
        expected['h/e'] = (('h', 'e', 'e-id'), [old_e[1][0],
 
342
                                                ('r', 'b/d/e', 0, False, '')])
 
343
 
 
344
        state.unlock()
 
345
        try:
 
346
            new_state = dirstate.DirState.from_tree(tree, 'dirstate')
 
347
            try:
 
348
                new_state.save()
 
349
            finally:
 
350
                new_state.unlock()
 
351
        finally:
 
352
            state.lock_read()
 
353
        return tree, state, expected
 
354
 
 
355
 
 
356
class TestTreeToDirState(TestCaseWithDirState):
 
357
 
 
358
    def test_empty_to_dirstate(self):
 
359
        """We should be able to create a dirstate for an empty tree."""
 
360
        # There are no files on disk and no parents
 
361
        tree = self.make_branch_and_tree('tree')
 
362
        expected_result = ([], [
 
363
            (('', '', tree.get_root_id()), # common details
 
364
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
 
365
             ])])
 
366
        state = dirstate.DirState.from_tree(tree, 'dirstate')
 
367
        state._validate()
 
368
        self.check_state_with_reopen(expected_result, state)
 
369
 
 
370
    def test_1_parents_empty_to_dirstate(self):
 
371
        # create a parent by doing a commit
 
372
        tree = self.make_branch_and_tree('tree')
 
373
        rev_id = tree.commit('first post').encode('utf8')
 
374
        root_stat_pack = dirstate.pack_stat(os.stat(tree.basedir))
 
375
        expected_result = ([rev_id], [
 
376
            (('', '', tree.get_root_id()), # common details
 
377
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
 
378
              ('d', '', 0, False, rev_id), # first parent details
 
379
             ])])
 
380
        state = dirstate.DirState.from_tree(tree, 'dirstate')
 
381
        self.check_state_with_reopen(expected_result, state)
 
382
        state.lock_read()
 
383
        try:
 
384
            state._validate()
 
385
        finally:
 
386
            state.unlock()
 
387
 
 
388
    def test_2_parents_empty_to_dirstate(self):
 
389
        # create a parent by doing a commit
 
390
        tree = self.make_branch_and_tree('tree')
 
391
        rev_id = tree.commit('first post')
 
392
        tree2 = tree.bzrdir.sprout('tree2').open_workingtree()
 
393
        rev_id2 = tree2.commit('second post', allow_pointless=True)
 
394
        tree.merge_from_branch(tree2.branch)
 
395
        expected_result = ([rev_id, rev_id2], [
 
396
            (('', '', tree.get_root_id()), # common details
 
397
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
 
398
              ('d', '', 0, False, rev_id), # first parent details
 
399
              ('d', '', 0, False, rev_id2), # second parent details
 
400
             ])])
 
401
        state = dirstate.DirState.from_tree(tree, 'dirstate')
 
402
        self.check_state_with_reopen(expected_result, state)
 
403
        state.lock_read()
 
404
        try:
 
405
            state._validate()
 
406
        finally:
 
407
            state.unlock()
 
408
 
 
409
    def test_empty_unknowns_are_ignored_to_dirstate(self):
 
410
        """We should be able to create a dirstate for an empty tree."""
 
411
        # There are no files on disk and no parents
 
412
        tree = self.make_branch_and_tree('tree')
 
413
        self.build_tree(['tree/unknown'])
 
414
        expected_result = ([], [
 
415
            (('', '', tree.get_root_id()), # common details
 
416
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
 
417
             ])])
 
418
        state = dirstate.DirState.from_tree(tree, 'dirstate')
 
419
        self.check_state_with_reopen(expected_result, state)
 
420
 
 
421
    def get_tree_with_a_file(self):
 
422
        tree = self.make_branch_and_tree('tree')
 
423
        self.build_tree(['tree/a file'])
 
424
        tree.add('a file', 'a-file-id')
 
425
        return tree
 
426
 
 
427
    def test_non_empty_no_parents_to_dirstate(self):
 
428
        """We should be able to create a dirstate for an empty tree."""
 
429
        # There are files on disk and no parents
 
430
        tree = self.get_tree_with_a_file()
 
431
        expected_result = ([], [
 
432
            (('', '', tree.get_root_id()), # common details
 
433
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
 
434
             ]),
 
435
            (('', 'a file', 'a-file-id'), # common
 
436
             [('f', '', 0, False, dirstate.DirState.NULLSTAT), # current
 
437
             ]),
 
438
            ])
 
439
        state = dirstate.DirState.from_tree(tree, 'dirstate')
 
440
        self.check_state_with_reopen(expected_result, state)
 
441
 
 
442
    def test_1_parents_not_empty_to_dirstate(self):
 
443
        # create a parent by doing a commit
 
444
        tree = self.get_tree_with_a_file()
 
445
        rev_id = tree.commit('first post').encode('utf8')
 
446
        # change the current content to be different this will alter stat, sha
 
447
        # and length:
 
448
        self.build_tree_contents([('tree/a file', 'new content\n')])
 
449
        expected_result = ([rev_id], [
 
450
            (('', '', tree.get_root_id()), # common details
 
451
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
 
452
              ('d', '', 0, False, rev_id), # first parent details
 
453
             ]),
 
454
            (('', 'a file', 'a-file-id'), # common
 
455
             [('f', '', 0, False, dirstate.DirState.NULLSTAT), # current
 
456
              ('f', 'c3ed76e4bfd45ff1763ca206055bca8e9fc28aa8', 24, False,
 
457
               rev_id), # first parent
 
458
             ]),
 
459
            ])
 
460
        state = dirstate.DirState.from_tree(tree, 'dirstate')
 
461
        self.check_state_with_reopen(expected_result, state)
 
462
 
 
463
    def test_2_parents_not_empty_to_dirstate(self):
 
464
        # create a parent by doing a commit
 
465
        tree = self.get_tree_with_a_file()
 
466
        rev_id = tree.commit('first post').encode('utf8')
 
467
        tree2 = tree.bzrdir.sprout('tree2').open_workingtree()
 
468
        # change the current content to be different this will alter stat, sha
 
469
        # and length:
 
470
        self.build_tree_contents([('tree2/a file', 'merge content\n')])
 
471
        rev_id2 = tree2.commit('second post').encode('utf8')
 
472
        tree.merge_from_branch(tree2.branch)
 
473
        # change the current content to be different this will alter stat, sha
 
474
        # and length again, giving us three distinct values:
 
475
        self.build_tree_contents([('tree/a file', 'new content\n')])
 
476
        expected_result = ([rev_id, rev_id2], [
 
477
            (('', '', tree.get_root_id()), # common details
 
478
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
 
479
              ('d', '', 0, False, rev_id), # first parent details
 
480
              ('d', '', 0, False, rev_id2), # second parent details
 
481
             ]),
 
482
            (('', 'a file', 'a-file-id'), # common
 
483
             [('f', '', 0, False, dirstate.DirState.NULLSTAT), # current
 
484
              ('f', 'c3ed76e4bfd45ff1763ca206055bca8e9fc28aa8', 24, False,
 
485
               rev_id), # first parent
 
486
              ('f', '314d796174c9412647c3ce07dfb5d36a94e72958', 14, False,
 
487
               rev_id2), # second parent
 
488
             ]),
 
489
            ])
 
490
        state = dirstate.DirState.from_tree(tree, 'dirstate')
 
491
        self.check_state_with_reopen(expected_result, state)
 
492
 
 
493
    def test_colliding_fileids(self):
 
494
        # test insertion of parents creating several entries at the same path.
 
495
        # we used to have a bug where they could cause the dirstate to break
 
496
        # its ordering invariants.
 
497
        # create some trees to test from
 
498
        parents = []
 
499
        for i in range(7):
 
500
            tree = self.make_branch_and_tree('tree%d' % i)
 
501
            self.build_tree(['tree%d/name' % i,])
 
502
            tree.add(['name'], ['file-id%d' % i])
 
503
            revision_id = 'revid-%d' % i
 
504
            tree.commit('message', rev_id=revision_id)
 
505
            parents.append((revision_id,
 
506
                tree.branch.repository.revision_tree(revision_id)))
 
507
        # now fold these trees into a dirstate
 
508
        state = dirstate.DirState.initialize('dirstate')
 
509
        try:
 
510
            state.set_parent_trees(parents, [])
 
511
            state._validate()
 
512
        finally:
 
513
            state.unlock()
 
514
 
 
515
 
 
516
class TestDirStateOnFile(TestCaseWithDirState):
 
517
 
 
518
    def test_construct_with_path(self):
 
519
        tree = self.make_branch_and_tree('tree')
 
520
        state = dirstate.DirState.from_tree(tree, 'dirstate.from_tree')
 
521
        # we want to be able to get the lines of the dirstate that we will
 
522
        # write to disk.
 
523
        lines = state.get_lines()
 
524
        state.unlock()
 
525
        self.build_tree_contents([('dirstate', ''.join(lines))])
 
526
        # get a state object
 
527
        # no parents, default tree content
 
528
        expected_result = ([], [
 
529
            (('', '', tree.get_root_id()), # common details
 
530
             # current tree details, but new from_tree skips statting, it
 
531
             # uses set_state_from_inventory, and thus depends on the
 
532
             # inventory state.
 
533
             [('d', '', 0, False, dirstate.DirState.NULLSTAT),
 
534
             ])
 
535
            ])
 
536
        state = dirstate.DirState.on_file('dirstate')
 
537
        state.lock_write() # check_state_with_reopen will save() and unlock it
 
538
        self.check_state_with_reopen(expected_result, state)
 
539
 
 
540
    def test_can_save_clean_on_file(self):
 
541
        tree = self.make_branch_and_tree('tree')
 
542
        state = dirstate.DirState.from_tree(tree, 'dirstate')
 
543
        try:
 
544
            # doing a save should work here as there have been no changes.
 
545
            state.save()
 
546
            # TODO: stat it and check it hasn't changed; may require waiting
 
547
            # for the state accuracy window.
 
548
        finally:
 
549
            state.unlock()
 
550
 
 
551
    def test_can_save_in_read_lock(self):
 
552
        self.build_tree(['a-file'])
 
553
        state = dirstate.DirState.initialize('dirstate')
 
554
        try:
 
555
            # No stat and no sha1 sum.
 
556
            state.add('a-file', 'a-file-id', 'file', None, '')
 
557
            state.save()
 
558
        finally:
 
559
            state.unlock()
 
560
 
 
561
        # Now open in readonly mode
 
562
        state = dirstate.DirState.on_file('dirstate')
 
563
        state.lock_read()
 
564
        try:
 
565
            entry = state._get_entry(0, path_utf8='a-file')
 
566
            # The current sha1 sum should be empty
 
567
            self.assertEqual('', entry[1][0][1])
 
568
            # We should have a real entry.
 
569
            self.assertNotEqual((None, None), entry)
 
570
            # Make sure everything is old enough
 
571
            state._sha_cutoff_time()
 
572
            state._cutoff_time += 10
 
573
            sha1sum = state.update_entry(entry, 'a-file', os.lstat('a-file'))
 
574
            # We should have gotten a real sha1
 
575
            self.assertEqual('ecc5374e9ed82ad3ea3b4d452ea995a5fd3e70e3',
 
576
                             sha1sum)
 
577
 
 
578
            # The dirblock has been updated
 
579
            self.assertEqual(sha1sum, entry[1][0][1])
 
580
            self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
 
581
                             state._dirblock_state)
 
582
 
 
583
            del entry
 
584
            # Now, since we are the only one holding a lock, we should be able
 
585
            # to save and have it written to disk
 
586
            state.save()
 
587
        finally:
 
588
            state.unlock()
 
589
 
 
590
        # Re-open the file, and ensure that the state has been updated.
 
591
        state = dirstate.DirState.on_file('dirstate')
 
592
        state.lock_read()
 
593
        try:
 
594
            entry = state._get_entry(0, path_utf8='a-file')
 
595
            self.assertEqual(sha1sum, entry[1][0][1])
 
596
        finally:
 
597
            state.unlock()
 
598
 
 
599
    def test_save_fails_quietly_if_locked(self):
 
600
        """If dirstate is locked, save will fail without complaining."""
 
601
        self.build_tree(['a-file'])
 
602
        state = dirstate.DirState.initialize('dirstate')
 
603
        try:
 
604
            # No stat and no sha1 sum.
 
605
            state.add('a-file', 'a-file-id', 'file', None, '')
 
606
            state.save()
 
607
        finally:
 
608
            state.unlock()
 
609
 
 
610
        state = dirstate.DirState.on_file('dirstate')
 
611
        state.lock_read()
 
612
        try:
 
613
            entry = state._get_entry(0, path_utf8='a-file')
 
614
            sha1sum = state.update_entry(entry, 'a-file', os.lstat('a-file'))
 
615
            # We should have gotten a real sha1
 
616
            self.assertEqual('ecc5374e9ed82ad3ea3b4d452ea995a5fd3e70e3',
 
617
                             sha1sum)
 
618
            self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
 
619
                             state._dirblock_state)
 
620
 
 
621
            # Now, before we try to save, grab another dirstate, and take out a
 
622
            # read lock.
 
623
            # TODO: jam 20070315 Ideally this would be locked by another
 
624
            #       process. To make sure the file is really OS locked.
 
625
            state2 = dirstate.DirState.on_file('dirstate')
 
626
            state2.lock_read()
 
627
            try:
 
628
                # This won't actually write anything, because it couldn't grab
 
629
                # a write lock. But it shouldn't raise an error, either.
 
630
                # TODO: jam 20070315 We should probably distinguish between
 
631
                #       being dirty because of 'update_entry'. And dirty
 
632
                #       because of real modification. So that save() *does*
 
633
                #       raise a real error if it fails when we have real
 
634
                #       modifications.
 
635
                state.save()
 
636
            finally:
 
637
                state2.unlock()
 
638
        finally:
 
639
            state.unlock()
 
640
        
 
641
        # The file on disk should not be modified.
 
642
        state = dirstate.DirState.on_file('dirstate')
 
643
        state.lock_read()
 
644
        try:
 
645
            entry = state._get_entry(0, path_utf8='a-file')
 
646
            self.assertEqual('', entry[1][0][1])
 
647
        finally:
 
648
            state.unlock()
 
649
 
 
650
    def test_save_refuses_if_changes_aborted(self):
 
651
        self.build_tree(['a-file', 'a-dir/'])
 
652
        state = dirstate.DirState.initialize('dirstate')
 
653
        try:
 
654
            # No stat and no sha1 sum.
 
655
            state.add('a-file', 'a-file-id', 'file', None, '')
 
656
            state.save()
 
657
        finally:
 
658
            state.unlock()
 
659
 
 
660
        # The dirstate should include TREE_ROOT and 'a-file' and nothing else
 
661
        expected_blocks = [
 
662
            ('', [(('', '', 'TREE_ROOT'),
 
663
                   [('d', '', 0, False, dirstate.DirState.NULLSTAT)])]),
 
664
            ('', [(('', 'a-file', 'a-file-id'),
 
665
                   [('f', '', 0, False, dirstate.DirState.NULLSTAT)])]),
 
666
        ]
 
667
 
 
668
        state = dirstate.DirState.on_file('dirstate')
 
669
        state.lock_write()
 
670
        try:
 
671
            state._read_dirblocks_if_needed()
 
672
            self.assertEqual(expected_blocks, state._dirblocks)
 
673
 
 
674
            # Now modify the state, but mark it as inconsistent
 
675
            state.add('a-dir', 'a-dir-id', 'directory', None, '')
 
676
            state._changes_aborted = True
 
677
            state.save()
 
678
        finally:
 
679
            state.unlock()
 
680
 
 
681
        state = dirstate.DirState.on_file('dirstate')
 
682
        state.lock_read()
 
683
        try:
 
684
            state._read_dirblocks_if_needed()
 
685
            self.assertEqual(expected_blocks, state._dirblocks)
 
686
        finally:
 
687
            state.unlock()
 
688
 
 
689
 
 
690
class TestDirStateInitialize(TestCaseWithDirState):
 
691
 
 
692
    def test_initialize(self):
 
693
        expected_result = ([], [
 
694
            (('', '', 'TREE_ROOT'), # common details
 
695
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
 
696
             ])
 
697
            ])
 
698
        state = dirstate.DirState.initialize('dirstate')
 
699
        try:
 
700
            self.assertIsInstance(state, dirstate.DirState)
 
701
            lines = state.get_lines()
 
702
        finally:
 
703
            state.unlock()
 
704
        # On win32 you can't read from a locked file, even within the same
 
705
        # process. So we have to unlock and release before we check the file
 
706
        # contents.
 
707
        self.assertFileEqual(''.join(lines), 'dirstate')
 
708
        state.lock_read() # check_state_with_reopen will unlock
 
709
        self.check_state_with_reopen(expected_result, state)
 
710
 
 
711
 
 
712
class TestDirStateManipulations(TestCaseWithDirState):
 
713
 
 
714
    def test_set_state_from_inventory_no_content_no_parents(self):
 
715
        # setting the current inventory is a slow but important api to support.
 
716
        tree1 = self.make_branch_and_memory_tree('tree1')
 
717
        tree1.lock_write()
 
718
        try:
 
719
            tree1.add('')
 
720
            revid1 = tree1.commit('foo').encode('utf8')
 
721
            root_id = tree1.get_root_id()
 
722
            inv = tree1.inventory
 
723
        finally:
 
724
            tree1.unlock()
 
725
        expected_result = [], [
 
726
            (('', '', root_id), [
 
727
             ('d', '', 0, False, dirstate.DirState.NULLSTAT)])]
 
728
        state = dirstate.DirState.initialize('dirstate')
 
729
        try:
 
730
            state.set_state_from_inventory(inv)
 
731
            self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
 
732
                             state._header_state)
 
733
            self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
 
734
                             state._dirblock_state)
 
735
        except:
 
736
            state.unlock()
 
737
            raise
 
738
        else:
 
739
            # This will unlock it
 
740
            self.check_state_with_reopen(expected_result, state)
 
741
 
 
742
    def test_set_state_from_inventory_preserves_hashcache(self):
 
743
        # https://bugs.launchpad.net/bzr/+bug/146176
 
744
        # set_state_from_inventory should preserve the stat and hash value for
 
745
        # workingtree files that are not changed by the inventory.
 
746
       
 
747
        tree = self.make_branch_and_tree('.')
 
748
        # depends on the default format using dirstate...
 
749
        tree.lock_write()
 
750
        try:
 
751
            # make a dirstate with some valid hashcache data 
 
752
            # file on disk, but that's not needed for this test
 
753
            foo_contents = 'contents of foo'
 
754
            self.build_tree_contents([('foo', foo_contents)])
 
755
            tree.add('foo', 'foo-id')
 
756
 
 
757
            foo_stat = os.stat('foo')
 
758
            foo_packed = dirstate.pack_stat(foo_stat)
 
759
            foo_sha = osutils.sha_string(foo_contents)
 
760
            foo_size = len(foo_contents)
 
761
 
 
762
            # should not be cached yet, because the file's too fresh
 
763
            self.assertEqual(
 
764
                (('', 'foo', 'foo-id',),
 
765
                 [('f', '', 0, False, dirstate.DirState.NULLSTAT)]),
 
766
                tree._dirstate._get_entry(0, 'foo-id'))
 
767
            # poke in some hashcache information - it wouldn't normally be
 
768
            # stored because it's too fresh
 
769
            tree._dirstate.update_minimal(
 
770
                ('', 'foo', 'foo-id'),
 
771
                'f', False, foo_sha, foo_packed, foo_size, 'foo')
 
772
            # now should be cached
 
773
            self.assertEqual(
 
774
                (('', 'foo', 'foo-id',),
 
775
                 [('f', foo_sha, foo_size, False, foo_packed)]),
 
776
                tree._dirstate._get_entry(0, 'foo-id'))
 
777
           
 
778
            # extract the inventory, and add something to it
 
779
            inv = tree._get_inventory()
 
780
            # should see the file we poked in...
 
781
            self.assertTrue(inv.has_id('foo-id'))
 
782
            self.assertTrue(inv.has_filename('foo'))
 
783
            inv.add_path('bar', 'file', 'bar-id')
 
784
            tree._dirstate._validate()
 
785
            # this used to cause it to lose its hashcache
 
786
            tree._dirstate.set_state_from_inventory(inv)
 
787
            tree._dirstate._validate()
 
788
        finally:
 
789
            tree.unlock()
 
790
 
 
791
        tree.lock_read()
 
792
        try:
 
793
            # now check that the state still has the original hashcache value
 
794
            state = tree._dirstate
 
795
            state._validate()
 
796
            foo_tuple = state._get_entry(0, path_utf8='foo')
 
797
            self.assertEqual(
 
798
                (('', 'foo', 'foo-id',),
 
799
                 [('f', foo_sha, len(foo_contents), False,
 
800
                   dirstate.pack_stat(foo_stat))]),
 
801
                foo_tuple)
 
802
        finally:
 
803
            tree.unlock()
 
804
 
 
805
 
 
806
    def test_set_state_from_inventory_mixed_paths(self):
 
807
        tree1 = self.make_branch_and_tree('tree1')
 
808
        self.build_tree(['tree1/a/', 'tree1/a/b/', 'tree1/a-b/',
 
809
                         'tree1/a/b/foo', 'tree1/a-b/bar'])
 
810
        tree1.lock_write()
 
811
        try:
 
812
            tree1.add(['a', 'a/b', 'a-b', 'a/b/foo', 'a-b/bar'],
 
813
                      ['a-id', 'b-id', 'a-b-id', 'foo-id', 'bar-id'])
 
814
            tree1.commit('rev1', rev_id='rev1')
 
815
            root_id = tree1.get_root_id()
 
816
            inv = tree1.inventory
 
817
        finally:
 
818
            tree1.unlock()
 
819
        expected_result1 = [('', '', root_id, 'd'),
 
820
                            ('', 'a', 'a-id', 'd'),
 
821
                            ('', 'a-b', 'a-b-id', 'd'),
 
822
                            ('a', 'b', 'b-id', 'd'),
 
823
                            ('a/b', 'foo', 'foo-id', 'f'),
 
824
                            ('a-b', 'bar', 'bar-id', 'f'),
 
825
                           ]
 
826
        expected_result2 = [('', '', root_id, 'd'),
 
827
                            ('', 'a', 'a-id', 'd'),
 
828
                            ('', 'a-b', 'a-b-id', 'd'),
 
829
                            ('a-b', 'bar', 'bar-id', 'f'),
 
830
                           ]
 
831
        state = dirstate.DirState.initialize('dirstate')
 
832
        try:
 
833
            state.set_state_from_inventory(inv)
 
834
            values = []
 
835
            for entry in state._iter_entries():
 
836
                values.append(entry[0] + entry[1][0][:1])
 
837
            self.assertEqual(expected_result1, values)
 
838
            del inv['b-id']
 
839
            state.set_state_from_inventory(inv)
 
840
            values = []
 
841
            for entry in state._iter_entries():
 
842
                values.append(entry[0] + entry[1][0][:1])
 
843
            self.assertEqual(expected_result2, values)
 
844
        finally:
 
845
            state.unlock()
 
846
 
 
847
    def test_set_path_id_no_parents(self):
 
848
        """The id of a path can be changed trivally with no parents."""
 
849
        state = dirstate.DirState.initialize('dirstate')
 
850
        try:
 
851
            # check precondition to be sure the state does change appropriately.
 
852
            self.assertEqual(
 
853
                [(('', '', 'TREE_ROOT'), [('d', '', 0, False,
 
854
                   'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx')])],
 
855
                list(state._iter_entries()))
 
856
            state.set_path_id('', 'foobarbaz')
 
857
            expected_rows = [
 
858
                (('', '', 'foobarbaz'), [('d', '', 0, False,
 
859
                   'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx')])]
 
860
            self.assertEqual(expected_rows, list(state._iter_entries()))
 
861
            # should work across save too
 
862
            state.save()
 
863
        finally:
 
864
            state.unlock()
 
865
        state = dirstate.DirState.on_file('dirstate')
 
866
        state.lock_read()
 
867
        try:
 
868
            state._validate()
 
869
            self.assertEqual(expected_rows, list(state._iter_entries()))
 
870
        finally:
 
871
            state.unlock()
 
872
 
 
873
    def test_set_path_id_with_parents(self):
 
874
        """Set the root file id in a dirstate with parents"""
 
875
        mt = self.make_branch_and_tree('mt')
 
876
        # in case the default tree format uses a different root id
 
877
        mt.set_root_id('TREE_ROOT')
 
878
        mt.commit('foo', rev_id='parent-revid')
 
879
        rt = mt.branch.repository.revision_tree('parent-revid')
 
880
        state = dirstate.DirState.initialize('dirstate')
 
881
        state._validate()
 
882
        try:
 
883
            state.set_parent_trees([('parent-revid', rt)], ghosts=[])
 
884
            state.set_path_id('', 'foobarbaz')
 
885
            state._validate()
 
886
            # now see that it is what we expected
 
887
            expected_rows = [
 
888
                (('', '', 'TREE_ROOT'),
 
889
                    [('a', '', 0, False, ''),
 
890
                     ('d', '', 0, False, 'parent-revid'),
 
891
                     ]),
 
892
                (('', '', 'foobarbaz'),
 
893
                    [('d', '', 0, False, ''),
 
894
                     ('a', '', 0, False, ''),
 
895
                     ]),
 
896
                ]
 
897
            state._validate()
 
898
            self.assertEqual(expected_rows, list(state._iter_entries()))
 
899
            # should work across save too
 
900
            state.save()
 
901
        finally:
 
902
            state.unlock()
 
903
        # now flush & check we get the same
 
904
        state = dirstate.DirState.on_file('dirstate')
 
905
        state.lock_read()
 
906
        try:
 
907
            state._validate()
 
908
            self.assertEqual(expected_rows, list(state._iter_entries()))
 
909
        finally:
 
910
            state.unlock()
 
911
        # now change within an existing file-backed state
 
912
        state.lock_write()
 
913
        try:
 
914
            state._validate()
 
915
            state.set_path_id('', 'tree-root-2')
 
916
            state._validate()
 
917
        finally:
 
918
            state.unlock()
 
919
 
 
920
 
 
921
    def test_set_parent_trees_no_content(self):
 
922
        # set_parent_trees is a slow but important api to support.
 
923
        tree1 = self.make_branch_and_memory_tree('tree1')
 
924
        tree1.lock_write()
 
925
        try:
 
926
            tree1.add('')
 
927
            revid1 = tree1.commit('foo')
 
928
        finally:
 
929
            tree1.unlock()
 
930
        branch2 = tree1.branch.bzrdir.clone('tree2').open_branch()
 
931
        tree2 = MemoryTree.create_on_branch(branch2)
 
932
        tree2.lock_write()
 
933
        try:
 
934
            revid2 = tree2.commit('foo')
 
935
            root_id = tree2.get_root_id()
 
936
        finally:
 
937
            tree2.unlock()
 
938
        state = dirstate.DirState.initialize('dirstate')
 
939
        try:
 
940
            state.set_path_id('', root_id)
 
941
            state.set_parent_trees(
 
942
                ((revid1, tree1.branch.repository.revision_tree(revid1)),
 
943
                 (revid2, tree2.branch.repository.revision_tree(revid2)),
 
944
                 ('ghost-rev', None)),
 
945
                ['ghost-rev'])
 
946
            # check we can reopen and use the dirstate after setting parent
 
947
            # trees.
 
948
            state._validate()
 
949
            state.save()
 
950
            state._validate()
 
951
        finally:
 
952
            state.unlock()
 
953
        state = dirstate.DirState.on_file('dirstate')
 
954
        state.lock_write()
 
955
        try:
 
956
            self.assertEqual([revid1, revid2, 'ghost-rev'],
 
957
                             state.get_parent_ids())
 
958
            # iterating the entire state ensures that the state is parsable.
 
959
            list(state._iter_entries())
 
960
            # be sure that it sets not appends - change it
 
961
            state.set_parent_trees(
 
962
                ((revid1, tree1.branch.repository.revision_tree(revid1)),
 
963
                 ('ghost-rev', None)),
 
964
                ['ghost-rev'])
 
965
            # and now put it back.
 
966
            state.set_parent_trees(
 
967
                ((revid1, tree1.branch.repository.revision_tree(revid1)),
 
968
                 (revid2, tree2.branch.repository.revision_tree(revid2)),
 
969
                 ('ghost-rev', tree2.branch.repository.revision_tree(None))),
 
970
                ['ghost-rev'])
 
971
            self.assertEqual([revid1, revid2, 'ghost-rev'],
 
972
                             state.get_parent_ids())
 
973
            # the ghost should be recorded as such by set_parent_trees.
 
974
            self.assertEqual(['ghost-rev'], state.get_ghosts())
 
975
            self.assertEqual(
 
976
                [(('', '', root_id), [
 
977
                  ('d', '', 0, False, dirstate.DirState.NULLSTAT),
 
978
                  ('d', '', 0, False, revid1),
 
979
                  ('d', '', 0, False, revid2)
 
980
                  ])],
 
981
                list(state._iter_entries()))
 
982
        finally:
 
983
            state.unlock()
 
984
 
 
985
    def test_set_parent_trees_file_missing_from_tree(self):
 
986
        # Adding a parent tree may reference files not in the current state.
 
987
        # they should get listed just once by id, even if they are in two
 
988
        # separate trees.
 
989
        # set_parent_trees is a slow but important api to support.
 
990
        tree1 = self.make_branch_and_memory_tree('tree1')
 
991
        tree1.lock_write()
 
992
        try:
 
993
            tree1.add('')
 
994
            tree1.add(['a file'], ['file-id'], ['file'])
 
995
            tree1.put_file_bytes_non_atomic('file-id', 'file-content')
 
996
            revid1 = tree1.commit('foo')
 
997
        finally:
 
998
            tree1.unlock()
 
999
        branch2 = tree1.branch.bzrdir.clone('tree2').open_branch()
 
1000
        tree2 = MemoryTree.create_on_branch(branch2)
 
1001
        tree2.lock_write()
 
1002
        try:
 
1003
            tree2.put_file_bytes_non_atomic('file-id', 'new file-content')
 
1004
            revid2 = tree2.commit('foo')
 
1005
            root_id = tree2.get_root_id()
 
1006
        finally:
 
1007
            tree2.unlock()
 
1008
        # check the layout in memory
 
1009
        expected_result = [revid1.encode('utf8'), revid2.encode('utf8')], [
 
1010
            (('', '', root_id), [
 
1011
             ('d', '', 0, False, dirstate.DirState.NULLSTAT),
 
1012
             ('d', '', 0, False, revid1.encode('utf8')),
 
1013
             ('d', '', 0, False, revid2.encode('utf8'))
 
1014
             ]),
 
1015
            (('', 'a file', 'file-id'), [
 
1016
             ('a', '', 0, False, ''),
 
1017
             ('f', '2439573625385400f2a669657a7db6ae7515d371', 12, False,
 
1018
              revid1.encode('utf8')),
 
1019
             ('f', '542e57dc1cda4af37cb8e55ec07ce60364bb3c7d', 16, False,
 
1020
              revid2.encode('utf8'))
 
1021
             ])
 
1022
            ]
 
1023
        state = dirstate.DirState.initialize('dirstate')
 
1024
        try:
 
1025
            state.set_path_id('', root_id)
 
1026
            state.set_parent_trees(
 
1027
                ((revid1, tree1.branch.repository.revision_tree(revid1)),
 
1028
                 (revid2, tree2.branch.repository.revision_tree(revid2)),
 
1029
                 ), [])
 
1030
        except:
 
1031
            state.unlock()
 
1032
            raise
 
1033
        else:
 
1034
            # check_state_with_reopen will unlock
 
1035
            self.check_state_with_reopen(expected_result, state)
 
1036
 
 
1037
    ### add a path via _set_data - so we dont need delta work, just
 
1038
    # raw data in, and ensure that it comes out via get_lines happily.
 
1039
 
 
1040
    def test_add_path_to_root_no_parents_all_data(self):
 
1041
        # The most trivial addition of a path is when there are no parents and
 
1042
        # its in the root and all data about the file is supplied
 
1043
        self.build_tree(['a file'])
 
1044
        stat = os.lstat('a file')
 
1045
        # the 1*20 is the sha1 pretend value.
 
1046
        state = dirstate.DirState.initialize('dirstate')
 
1047
        expected_entries = [
 
1048
            (('', '', 'TREE_ROOT'), [
 
1049
             ('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
 
1050
             ]),
 
1051
            (('', 'a file', 'a-file-id'), [
 
1052
             ('f', '1'*20, 19, False, dirstate.pack_stat(stat)), # current tree
 
1053
             ]),
 
1054
            ]
 
1055
        try:
 
1056
            state.add('a file', 'a-file-id', 'file', stat, '1'*20)
 
1057
            # having added it, it should be in the output of iter_entries.
 
1058
            self.assertEqual(expected_entries, list(state._iter_entries()))
 
1059
            # saving and reloading should not affect this.
 
1060
            state.save()
 
1061
        finally:
 
1062
            state.unlock()
 
1063
        state = dirstate.DirState.on_file('dirstate')
 
1064
        state.lock_read()
 
1065
        try:
 
1066
            self.assertEqual(expected_entries, list(state._iter_entries()))
 
1067
        finally:
 
1068
            state.unlock()
 
1069
 
 
1070
    def test_add_path_to_unversioned_directory(self):
 
1071
        """Adding a path to an unversioned directory should error.
 
1072
 
 
1073
        This is a duplicate of TestWorkingTree.test_add_in_unversioned,
 
1074
        once dirstate is stable and if it is merged with WorkingTree3, consider
 
1075
        removing this copy of the test.
 
1076
        """
 
1077
        self.build_tree(['unversioned/', 'unversioned/a file'])
 
1078
        state = dirstate.DirState.initialize('dirstate')
 
1079
        try:
 
1080
            self.assertRaises(errors.NotVersionedError, state.add,
 
1081
                'unversioned/a file', 'a-file-id', 'file', None, None)
 
1082
        finally:
 
1083
            state.unlock()
 
1084
 
 
1085
    def test_add_directory_to_root_no_parents_all_data(self):
 
1086
        # The most trivial addition of a dir is when there are no parents and
 
1087
        # its in the root and all data about the file is supplied
 
1088
        self.build_tree(['a dir/'])
 
1089
        stat = os.lstat('a dir')
 
1090
        expected_entries = [
 
1091
            (('', '', 'TREE_ROOT'), [
 
1092
             ('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
 
1093
             ]),
 
1094
            (('', 'a dir', 'a dir id'), [
 
1095
             ('d', '', 0, False, dirstate.pack_stat(stat)), # current tree
 
1096
             ]),
 
1097
            ]
 
1098
        state = dirstate.DirState.initialize('dirstate')
 
1099
        try:
 
1100
            state.add('a dir', 'a dir id', 'directory', stat, None)
 
1101
            # having added it, it should be in the output of iter_entries.
 
1102
            self.assertEqual(expected_entries, list(state._iter_entries()))
 
1103
            # saving and reloading should not affect this.
 
1104
            state.save()
 
1105
        finally:
 
1106
            state.unlock()
 
1107
        state = dirstate.DirState.on_file('dirstate')
 
1108
        state.lock_read()
 
1109
        state._validate()
 
1110
        try:
 
1111
            self.assertEqual(expected_entries, list(state._iter_entries()))
 
1112
        finally:
 
1113
            state.unlock()
 
1114
 
 
1115
    def test_add_symlink_to_root_no_parents_all_data(self):
 
1116
        # The most trivial addition of a symlink when there are no parents and
 
1117
        # its in the root and all data about the file is supplied
 
1118
        # bzr doesn't support fake symlinks on windows, yet.
 
1119
        self.requireFeature(SymlinkFeature)
 
1120
        os.symlink('target', 'a link')
 
1121
        stat = os.lstat('a link')
 
1122
        expected_entries = [
 
1123
            (('', '', 'TREE_ROOT'), [
 
1124
             ('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
 
1125
             ]),
 
1126
            (('', 'a link', 'a link id'), [
 
1127
             ('l', 'target', 6, False, dirstate.pack_stat(stat)), # current tree
 
1128
             ]),
 
1129
            ]
 
1130
        state = dirstate.DirState.initialize('dirstate')
 
1131
        try:
 
1132
            state.add('a link', 'a link id', 'symlink', stat, 'target')
 
1133
            # having added it, it should be in the output of iter_entries.
 
1134
            self.assertEqual(expected_entries, list(state._iter_entries()))
 
1135
            # saving and reloading should not affect this.
 
1136
            state.save()
 
1137
        finally:
 
1138
            state.unlock()
 
1139
        state = dirstate.DirState.on_file('dirstate')
 
1140
        state.lock_read()
 
1141
        try:
 
1142
            self.assertEqual(expected_entries, list(state._iter_entries()))
 
1143
        finally:
 
1144
            state.unlock()
 
1145
 
 
1146
    def test_add_directory_and_child_no_parents_all_data(self):
 
1147
        # after adding a directory, we should be able to add children to it.
 
1148
        self.build_tree(['a dir/', 'a dir/a file'])
 
1149
        dirstat = os.lstat('a dir')
 
1150
        filestat = os.lstat('a dir/a file')
 
1151
        expected_entries = [
 
1152
            (('', '', 'TREE_ROOT'), [
 
1153
             ('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
 
1154
             ]),
 
1155
            (('', 'a dir', 'a dir id'), [
 
1156
             ('d', '', 0, False, dirstate.pack_stat(dirstat)), # current tree
 
1157
             ]),
 
1158
            (('a dir', 'a file', 'a-file-id'), [
 
1159
             ('f', '1'*20, 25, False,
 
1160
              dirstate.pack_stat(filestat)), # current tree details
 
1161
             ]),
 
1162
            ]
 
1163
        state = dirstate.DirState.initialize('dirstate')
 
1164
        try:
 
1165
            state.add('a dir', 'a dir id', 'directory', dirstat, None)
 
1166
            state.add('a dir/a file', 'a-file-id', 'file', filestat, '1'*20)
 
1167
            # added it, it should be in the output of iter_entries.
 
1168
            self.assertEqual(expected_entries, list(state._iter_entries()))
 
1169
            # saving and reloading should not affect this.
 
1170
            state.save()
 
1171
        finally:
 
1172
            state.unlock()
 
1173
        state = dirstate.DirState.on_file('dirstate')
 
1174
        state.lock_read()
 
1175
        try:
 
1176
            self.assertEqual(expected_entries, list(state._iter_entries()))
 
1177
        finally:
 
1178
            state.unlock()
 
1179
 
 
1180
    def test_add_tree_reference(self):
 
1181
        # make a dirstate and add a tree reference
 
1182
        state = dirstate.DirState.initialize('dirstate')
 
1183
        expected_entry = (
 
1184
            ('', 'subdir', 'subdir-id'),
 
1185
            [('t', 'subtree-123123', 0, False,
 
1186
              'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx')],
 
1187
            )
 
1188
        try:
 
1189
            state.add('subdir', 'subdir-id', 'tree-reference', None, 'subtree-123123')
 
1190
            entry = state._get_entry(0, 'subdir-id', 'subdir')
 
1191
            self.assertEqual(entry, expected_entry)
 
1192
            state._validate()
 
1193
            state.save()
 
1194
        finally:
 
1195
            state.unlock()
 
1196
        # now check we can read it back
 
1197
        state.lock_read()
 
1198
        state._validate()
 
1199
        try:
 
1200
            entry2 = state._get_entry(0, 'subdir-id', 'subdir')
 
1201
            self.assertEqual(entry, entry2)
 
1202
            self.assertEqual(entry, expected_entry)
 
1203
            # and lookup by id should work too
 
1204
            entry2 = state._get_entry(0, fileid_utf8='subdir-id')
 
1205
            self.assertEqual(entry, expected_entry)
 
1206
        finally:
 
1207
            state.unlock()
 
1208
 
 
1209
    def test_add_forbidden_names(self):
 
1210
        state = dirstate.DirState.initialize('dirstate')
 
1211
        self.addCleanup(state.unlock)
 
1212
        self.assertRaises(errors.BzrError,
 
1213
            state.add, '.', 'ass-id', 'directory', None, None)
 
1214
        self.assertRaises(errors.BzrError,
 
1215
            state.add, '..', 'ass-id', 'directory', None, None)
 
1216
 
 
1217
 
 
1218
class TestGetLines(TestCaseWithDirState):
 
1219
 
 
1220
    def test_get_line_with_2_rows(self):
 
1221
        state = self.create_dirstate_with_root_and_subdir()
 
1222
        try:
 
1223
            self.assertEqual(['#bazaar dirstate flat format 3\n',
 
1224
                'crc32: 41262208\n',
 
1225
                'num_entries: 2\n',
 
1226
                '0\x00\n\x00'
 
1227
                '0\x00\n\x00'
 
1228
                '\x00\x00a-root-value\x00'
 
1229
                'd\x00\x000\x00n\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk\x00\n\x00'
 
1230
                '\x00subdir\x00subdir-id\x00'
 
1231
                'd\x00\x000\x00n\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk\x00\n\x00'
 
1232
                ], state.get_lines())
 
1233
        finally:
 
1234
            state.unlock()
 
1235
 
 
1236
    def test_entry_to_line(self):
 
1237
        state = self.create_dirstate_with_root()
 
1238
        try:
 
1239
            self.assertEqual(
 
1240
                '\x00\x00a-root-value\x00d\x00\x000\x00n'
 
1241
                '\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk',
 
1242
                state._entry_to_line(state._dirblocks[0][1][0]))
 
1243
        finally:
 
1244
            state.unlock()
 
1245
 
 
1246
    def test_entry_to_line_with_parent(self):
 
1247
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
 
1248
        root_entry = ('', '', 'a-root-value'), [
 
1249
            ('d', '', 0, False, packed_stat), # current tree details
 
1250
             # first: a pointer to the current location
 
1251
            ('a', 'dirname/basename', 0, False, ''),
 
1252
            ]
 
1253
        state = dirstate.DirState.initialize('dirstate')
 
1254
        try:
 
1255
            self.assertEqual(
 
1256
                '\x00\x00a-root-value\x00'
 
1257
                'd\x00\x000\x00n\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk\x00'
 
1258
                'a\x00dirname/basename\x000\x00n\x00',
 
1259
                state._entry_to_line(root_entry))
 
1260
        finally:
 
1261
            state.unlock()
 
1262
 
 
1263
    def test_entry_to_line_with_two_parents_at_different_paths(self):
 
1264
        # / in the tree, at / in one parent and /dirname/basename in the other.
 
1265
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
 
1266
        root_entry = ('', '', 'a-root-value'), [
 
1267
            ('d', '', 0, False, packed_stat), # current tree details
 
1268
            ('d', '', 0, False, 'rev_id'), # first parent details
 
1269
             # second: a pointer to the current location
 
1270
            ('a', 'dirname/basename', 0, False, ''),
 
1271
            ]
 
1272
        state = dirstate.DirState.initialize('dirstate')
 
1273
        try:
 
1274
            self.assertEqual(
 
1275
                '\x00\x00a-root-value\x00'
 
1276
                'd\x00\x000\x00n\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk\x00'
 
1277
                'd\x00\x000\x00n\x00rev_id\x00'
 
1278
                'a\x00dirname/basename\x000\x00n\x00',
 
1279
                state._entry_to_line(root_entry))
 
1280
        finally:
 
1281
            state.unlock()
 
1282
 
 
1283
    def test_iter_entries(self):
 
1284
        # we should be able to iterate the dirstate entries from end to end
 
1285
        # this is for get_lines to be easy to read.
 
1286
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
 
1287
        dirblocks = []
 
1288
        root_entries = [(('', '', 'a-root-value'), [
 
1289
            ('d', '', 0, False, packed_stat), # current tree details
 
1290
            ])]
 
1291
        dirblocks.append(('', root_entries))
 
1292
        # add two files in the root
 
1293
        subdir_entry = ('', 'subdir', 'subdir-id'), [
 
1294
            ('d', '', 0, False, packed_stat), # current tree details
 
1295
            ]
 
1296
        afile_entry = ('', 'afile', 'afile-id'), [
 
1297
            ('f', 'sha1value', 34, False, packed_stat), # current tree details
 
1298
            ]
 
1299
        dirblocks.append(('', [subdir_entry, afile_entry]))
 
1300
        # and one in subdir
 
1301
        file_entry2 = ('subdir', '2file', '2file-id'), [
 
1302
            ('f', 'sha1value', 23, False, packed_stat), # current tree details
 
1303
            ]
 
1304
        dirblocks.append(('subdir', [file_entry2]))
 
1305
        state = dirstate.DirState.initialize('dirstate')
 
1306
        try:
 
1307
            state._set_data([], dirblocks)
 
1308
            expected_entries = [root_entries[0], subdir_entry, afile_entry,
 
1309
                                file_entry2]
 
1310
            self.assertEqual(expected_entries, list(state._iter_entries()))
 
1311
        finally:
 
1312
            state.unlock()
 
1313
 
 
1314
 
 
1315
class TestGetBlockRowIndex(TestCaseWithDirState):
 
1316
 
 
1317
    def assertBlockRowIndexEqual(self, block_index, row_index, dir_present,
 
1318
        file_present, state, dirname, basename, tree_index):
 
1319
        self.assertEqual((block_index, row_index, dir_present, file_present),
 
1320
            state._get_block_entry_index(dirname, basename, tree_index))
 
1321
        if dir_present:
 
1322
            block = state._dirblocks[block_index]
 
1323
            self.assertEqual(dirname, block[0])
 
1324
        if dir_present and file_present:
 
1325
            row = state._dirblocks[block_index][1][row_index]
 
1326
            self.assertEqual(dirname, row[0][0])
 
1327
            self.assertEqual(basename, row[0][1])
 
1328
 
 
1329
    def test_simple_structure(self):
 
1330
        state = self.create_dirstate_with_root_and_subdir()
 
1331
        self.addCleanup(state.unlock)
 
1332
        self.assertBlockRowIndexEqual(1, 0, True, True, state, '', 'subdir', 0)
 
1333
        self.assertBlockRowIndexEqual(1, 0, True, False, state, '', 'bdir', 0)
 
1334
        self.assertBlockRowIndexEqual(1, 1, True, False, state, '', 'zdir', 0)
 
1335
        self.assertBlockRowIndexEqual(2, 0, False, False, state, 'a', 'foo', 0)
 
1336
        self.assertBlockRowIndexEqual(2, 0, False, False, state,
 
1337
                                      'subdir', 'foo', 0)
 
1338
 
 
1339
    def test_complex_structure_exists(self):
 
1340
        state = self.create_complex_dirstate()
 
1341
        self.addCleanup(state.unlock)
 
1342
        # Make sure we can find everything that exists
 
1343
        self.assertBlockRowIndexEqual(0, 0, True, True, state, '', '', 0)
 
1344
        self.assertBlockRowIndexEqual(1, 0, True, True, state, '', 'a', 0)
 
1345
        self.assertBlockRowIndexEqual(1, 1, True, True, state, '', 'b', 0)
 
1346
        self.assertBlockRowIndexEqual(1, 2, True, True, state, '', 'c', 0)
 
1347
        self.assertBlockRowIndexEqual(1, 3, True, True, state, '', 'd', 0)
 
1348
        self.assertBlockRowIndexEqual(2, 0, True, True, state, 'a', 'e', 0)
 
1349
        self.assertBlockRowIndexEqual(2, 1, True, True, state, 'a', 'f', 0)
 
1350
        self.assertBlockRowIndexEqual(3, 0, True, True, state, 'b', 'g', 0)
 
1351
        self.assertBlockRowIndexEqual(3, 1, True, True, state,
 
1352
                                      'b', 'h\xc3\xa5', 0)
 
1353
 
 
1354
    def test_complex_structure_missing(self):
 
1355
        state = self.create_complex_dirstate()
 
1356
        self.addCleanup(state.unlock)
 
1357
        # Make sure things would be inserted in the right locations
 
1358
        # '_' comes before 'a'
 
1359
        self.assertBlockRowIndexEqual(0, 0, True, True, state, '', '', 0)
 
1360
        self.assertBlockRowIndexEqual(1, 0, True, False, state, '', '_', 0)
 
1361
        self.assertBlockRowIndexEqual(1, 1, True, False, state, '', 'aa', 0)
 
1362
        self.assertBlockRowIndexEqual(1, 4, True, False, state,
 
1363
                                      '', 'h\xc3\xa5', 0)
 
1364
        self.assertBlockRowIndexEqual(2, 0, False, False, state, '_', 'a', 0)
 
1365
        self.assertBlockRowIndexEqual(3, 0, False, False, state, 'aa', 'a', 0)
 
1366
        self.assertBlockRowIndexEqual(4, 0, False, False, state, 'bb', 'a', 0)
 
1367
        # This would be inserted between a/ and b/
 
1368
        self.assertBlockRowIndexEqual(3, 0, False, False, state, 'a/e', 'a', 0)
 
1369
        # Put at the end
 
1370
        self.assertBlockRowIndexEqual(4, 0, False, False, state, 'e', 'a', 0)
 
1371
 
 
1372
 
 
1373
class TestGetEntry(TestCaseWithDirState):
 
1374
 
 
1375
    def assertEntryEqual(self, dirname, basename, file_id, state, path, index):
 
1376
        """Check that the right entry is returned for a request to getEntry."""
 
1377
        entry = state._get_entry(index, path_utf8=path)
 
1378
        if file_id is None:
 
1379
            self.assertEqual((None, None), entry)
 
1380
        else:
 
1381
            cur = entry[0]
 
1382
            self.assertEqual((dirname, basename, file_id), cur[:3])
 
1383
 
 
1384
    def test_simple_structure(self):
 
1385
        state = self.create_dirstate_with_root_and_subdir()
 
1386
        self.addCleanup(state.unlock)
 
1387
        self.assertEntryEqual('', '', 'a-root-value', state, '', 0)
 
1388
        self.assertEntryEqual('', 'subdir', 'subdir-id', state, 'subdir', 0)
 
1389
        self.assertEntryEqual(None, None, None, state, 'missing', 0)
 
1390
        self.assertEntryEqual(None, None, None, state, 'missing/foo', 0)
 
1391
        self.assertEntryEqual(None, None, None, state, 'subdir/foo', 0)
 
1392
 
 
1393
    def test_complex_structure_exists(self):
 
1394
        state = self.create_complex_dirstate()
 
1395
        self.addCleanup(state.unlock)
 
1396
        self.assertEntryEqual('', '', 'a-root-value', state, '', 0)
 
1397
        self.assertEntryEqual('', 'a', 'a-dir', state, 'a', 0)
 
1398
        self.assertEntryEqual('', 'b', 'b-dir', state, 'b', 0)
 
1399
        self.assertEntryEqual('', 'c', 'c-file', state, 'c', 0)
 
1400
        self.assertEntryEqual('', 'd', 'd-file', state, 'd', 0)
 
1401
        self.assertEntryEqual('a', 'e', 'e-dir', state, 'a/e', 0)
 
1402
        self.assertEntryEqual('a', 'f', 'f-file', state, 'a/f', 0)
 
1403
        self.assertEntryEqual('b', 'g', 'g-file', state, 'b/g', 0)
 
1404
        self.assertEntryEqual('b', 'h\xc3\xa5', 'h-\xc3\xa5-file', state,
 
1405
                              'b/h\xc3\xa5', 0)
 
1406
 
 
1407
    def test_complex_structure_missing(self):
 
1408
        state = self.create_complex_dirstate()
 
1409
        self.addCleanup(state.unlock)
 
1410
        self.assertEntryEqual(None, None, None, state, '_', 0)
 
1411
        self.assertEntryEqual(None, None, None, state, '_\xc3\xa5', 0)
 
1412
        self.assertEntryEqual(None, None, None, state, 'a/b', 0)
 
1413
        self.assertEntryEqual(None, None, None, state, 'c/d', 0)
 
1414
 
 
1415
    def test_get_entry_uninitialized(self):
 
1416
        """Calling get_entry will load data if it needs to"""
 
1417
        state = self.create_dirstate_with_root()
 
1418
        try:
 
1419
            state.save()
 
1420
        finally:
 
1421
            state.unlock()
 
1422
        del state
 
1423
        state = dirstate.DirState.on_file('dirstate')
 
1424
        state.lock_read()
 
1425
        try:
 
1426
            self.assertEqual(dirstate.DirState.NOT_IN_MEMORY,
 
1427
                             state._header_state)
 
1428
            self.assertEqual(dirstate.DirState.NOT_IN_MEMORY,
 
1429
                             state._dirblock_state)
 
1430
            self.assertEntryEqual('', '', 'a-root-value', state, '', 0)
 
1431
        finally:
 
1432
            state.unlock()
 
1433
 
 
1434
 
 
1435
class TestIterChildEntries(TestCaseWithDirState):
 
1436
 
 
1437
    def create_dirstate_with_two_trees(self):
 
1438
        """This dirstate contains multiple files and directories.
 
1439
 
 
1440
         /        a-root-value
 
1441
         a/       a-dir
 
1442
         b/       b-dir
 
1443
         c        c-file
 
1444
         d        d-file
 
1445
         a/e/     e-dir
 
1446
         a/f      f-file
 
1447
         b/g      g-file
 
1448
         b/h\xc3\xa5  h-\xc3\xa5-file  #This is u'\xe5' encoded into utf-8
 
1449
 
 
1450
        Notice that a/e is an empty directory.
 
1451
 
 
1452
        There is one parent tree, which has the same shape with the following variations:
 
1453
        b/g in the parent is gone.
 
1454
        b/h in the parent has a different id
 
1455
        b/i is new in the parent 
 
1456
        c is renamed to b/j in the parent
 
1457
 
 
1458
        :return: The dirstate, still write-locked.
 
1459
        """
 
1460
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
 
1461
        null_sha = 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'
 
1462
        NULL_PARENT_DETAILS = dirstate.DirState.NULL_PARENT_DETAILS
 
1463
        root_entry = ('', '', 'a-root-value'), [
 
1464
            ('d', '', 0, False, packed_stat),
 
1465
            ('d', '', 0, False, 'parent-revid'),
 
1466
            ]
 
1467
        a_entry = ('', 'a', 'a-dir'), [
 
1468
            ('d', '', 0, False, packed_stat),
 
1469
            ('d', '', 0, False, 'parent-revid'),
 
1470
            ]
 
1471
        b_entry = ('', 'b', 'b-dir'), [
 
1472
            ('d', '', 0, False, packed_stat),
 
1473
            ('d', '', 0, False, 'parent-revid'),
 
1474
            ]
 
1475
        c_entry = ('', 'c', 'c-file'), [
 
1476
            ('f', null_sha, 10, False, packed_stat),
 
1477
            ('r', 'b/j', 0, False, ''),
 
1478
            ]
 
1479
        d_entry = ('', 'd', 'd-file'), [
 
1480
            ('f', null_sha, 20, False, packed_stat),
 
1481
            ('f', 'd', 20, False, 'parent-revid'),
 
1482
            ]
 
1483
        e_entry = ('a', 'e', 'e-dir'), [
 
1484
            ('d', '', 0, False, packed_stat),
 
1485
            ('d', '', 0, False, 'parent-revid'),
 
1486
            ]
 
1487
        f_entry = ('a', 'f', 'f-file'), [
 
1488
            ('f', null_sha, 30, False, packed_stat),
 
1489
            ('f', 'f', 20, False, 'parent-revid'),
 
1490
            ]
 
1491
        g_entry = ('b', 'g', 'g-file'), [
 
1492
            ('f', null_sha, 30, False, packed_stat),
 
1493
            NULL_PARENT_DETAILS,
 
1494
            ]
 
1495
        h_entry1 = ('b', 'h\xc3\xa5', 'h-\xc3\xa5-file1'), [
 
1496
            ('f', null_sha, 40, False, packed_stat),
 
1497
            NULL_PARENT_DETAILS,
 
1498
            ]
 
1499
        h_entry2 = ('b', 'h\xc3\xa5', 'h-\xc3\xa5-file2'), [
 
1500
            NULL_PARENT_DETAILS,
 
1501
            ('f', 'h', 20, False, 'parent-revid'),
 
1502
            ]
 
1503
        i_entry = ('b', 'i', 'i-file'), [
 
1504
            NULL_PARENT_DETAILS,
 
1505
            ('f', 'h', 20, False, 'parent-revid'),
 
1506
            ]
 
1507
        j_entry = ('b', 'j', 'c-file'), [
 
1508
            ('r', 'c', 0, False, ''),
 
1509
            ('f', 'j', 20, False, 'parent-revid'),
 
1510
            ]
 
1511
        dirblocks = []
 
1512
        dirblocks.append(('', [root_entry]))
 
1513
        dirblocks.append(('', [a_entry, b_entry, c_entry, d_entry]))
 
1514
        dirblocks.append(('a', [e_entry, f_entry]))
 
1515
        dirblocks.append(('b', [g_entry, h_entry1, h_entry2, i_entry, j_entry]))
 
1516
        state = dirstate.DirState.initialize('dirstate')
 
1517
        state._validate()
 
1518
        try:
 
1519
            state._set_data(['parent'], dirblocks)
 
1520
        except:
 
1521
            state.unlock()
 
1522
            raise
 
1523
        return state, dirblocks
 
1524
 
 
1525
    def test_iter_children_b(self):
 
1526
        state, dirblocks = self.create_dirstate_with_two_trees()
 
1527
        self.addCleanup(state.unlock)
 
1528
        expected_result = []
 
1529
        expected_result.append(dirblocks[3][1][2]) # h2
 
1530
        expected_result.append(dirblocks[3][1][3]) # i
 
1531
        expected_result.append(dirblocks[3][1][4]) # j
 
1532
        self.assertEqual(expected_result,
 
1533
            list(state._iter_child_entries(1, 'b')))
 
1534
 
 
1535
    def test_iter_child_root(self):
 
1536
        state, dirblocks = self.create_dirstate_with_two_trees()
 
1537
        self.addCleanup(state.unlock)
 
1538
        expected_result = []
 
1539
        expected_result.append(dirblocks[1][1][0]) # a
 
1540
        expected_result.append(dirblocks[1][1][1]) # b
 
1541
        expected_result.append(dirblocks[1][1][3]) # d
 
1542
        expected_result.append(dirblocks[2][1][0]) # e
 
1543
        expected_result.append(dirblocks[2][1][1]) # f
 
1544
        expected_result.append(dirblocks[3][1][2]) # h2
 
1545
        expected_result.append(dirblocks[3][1][3]) # i
 
1546
        expected_result.append(dirblocks[3][1][4]) # j
 
1547
        self.assertEqual(expected_result,
 
1548
            list(state._iter_child_entries(1, '')))
 
1549
 
 
1550
 
 
1551
class TestDirstateSortOrder(TestCaseWithTransport):
 
1552
    """Test that DirState adds entries in the right order."""
 
1553
 
 
1554
    def test_add_sorting(self):
 
1555
        """Add entries in lexicographical order, we get path sorted order.
 
1556
 
 
1557
        This tests it to a depth of 4, to make sure we don't just get it right
 
1558
        at a single depth. 'a/a' should come before 'a-a', even though it
 
1559
        doesn't lexicographically.
 
1560
        """
 
1561
        dirs = ['a', 'a/a', 'a/a/a', 'a/a/a/a',
 
1562
                'a-a', 'a/a-a', 'a/a/a-a', 'a/a/a/a-a',
 
1563
               ]
 
1564
        null_sha = ''
 
1565
        state = dirstate.DirState.initialize('dirstate')
 
1566
        self.addCleanup(state.unlock)
 
1567
 
 
1568
        fake_stat = os.stat('dirstate')
 
1569
        for d in dirs:
 
1570
            d_id = d.replace('/', '_')+'-id'
 
1571
            file_path = d + '/f'
 
1572
            file_id = file_path.replace('/', '_')+'-id'
 
1573
            state.add(d, d_id, 'directory', fake_stat, null_sha)
 
1574
            state.add(file_path, file_id, 'file', fake_stat, null_sha)
 
1575
 
 
1576
        expected = ['', '', 'a',
 
1577
                'a/a', 'a/a/a', 'a/a/a/a',
 
1578
                'a/a/a/a-a', 'a/a/a-a', 'a/a-a', 'a-a',
 
1579
               ]
 
1580
        split = lambda p:p.split('/')
 
1581
        self.assertEqual(sorted(expected, key=split), expected)
 
1582
        dirblock_names = [d[0] for d in state._dirblocks]
 
1583
        self.assertEqual(expected, dirblock_names)
 
1584
 
 
1585
    def test_set_parent_trees_correct_order(self):
 
1586
        """After calling set_parent_trees() we should maintain the order."""
 
1587
        dirs = ['a', 'a-a', 'a/a']
 
1588
        null_sha = ''
 
1589
        state = dirstate.DirState.initialize('dirstate')
 
1590
        self.addCleanup(state.unlock)
 
1591
 
 
1592
        fake_stat = os.stat('dirstate')
 
1593
        for d in dirs:
 
1594
            d_id = d.replace('/', '_')+'-id'
 
1595
            file_path = d + '/f'
 
1596
            file_id = file_path.replace('/', '_')+'-id'
 
1597
            state.add(d, d_id, 'directory', fake_stat, null_sha)
 
1598
            state.add(file_path, file_id, 'file', fake_stat, null_sha)
 
1599
 
 
1600
        expected = ['', '', 'a', 'a/a', 'a-a']
 
1601
        dirblock_names = [d[0] for d in state._dirblocks]
 
1602
        self.assertEqual(expected, dirblock_names)
 
1603
 
 
1604
        # *really* cheesy way to just get an empty tree
 
1605
        repo = self.make_repository('repo')
 
1606
        empty_tree = repo.revision_tree(None)
 
1607
        state.set_parent_trees([('null:', empty_tree)], [])
 
1608
 
 
1609
        dirblock_names = [d[0] for d in state._dirblocks]
 
1610
        self.assertEqual(expected, dirblock_names)
 
1611
 
 
1612
 
 
1613
class InstrumentedDirState(dirstate.DirState):
 
1614
    """An DirState with instrumented sha1 functionality."""
 
1615
 
 
1616
    def __init__(self, path):
 
1617
        super(InstrumentedDirState, self).__init__(path)
 
1618
        self._time_offset = 0
 
1619
        self._log = []
 
1620
        # member is dynamically set in DirState.__init__ to turn on trace
 
1621
        self._sha1_file = self._sha1_file_and_log
 
1622
 
 
1623
    def _sha_cutoff_time(self):
 
1624
        timestamp = super(InstrumentedDirState, self)._sha_cutoff_time()
 
1625
        self._cutoff_time = timestamp + self._time_offset
 
1626
 
 
1627
    def _sha1_file_and_log(self, abspath):
 
1628
        self._log.append(('sha1', abspath))
 
1629
        return osutils.sha_file_by_name(abspath)
 
1630
 
 
1631
    def _read_link(self, abspath, old_link):
 
1632
        self._log.append(('read_link', abspath, old_link))
 
1633
        return super(InstrumentedDirState, self)._read_link(abspath, old_link)
 
1634
 
 
1635
    def _lstat(self, abspath, entry):
 
1636
        self._log.append(('lstat', abspath))
 
1637
        return super(InstrumentedDirState, self)._lstat(abspath, entry)
 
1638
 
 
1639
    def _is_executable(self, mode, old_executable):
 
1640
        self._log.append(('is_exec', mode, old_executable))
 
1641
        return super(InstrumentedDirState, self)._is_executable(mode,
 
1642
                                                                old_executable)
 
1643
 
 
1644
    def adjust_time(self, secs):
 
1645
        """Move the clock forward or back.
 
1646
 
 
1647
        :param secs: The amount to adjust the clock by. Positive values make it
 
1648
        seem as if we are in the future, negative values make it seem like we
 
1649
        are in the past.
 
1650
        """
 
1651
        self._time_offset += secs
 
1652
        self._cutoff_time = None
 
1653
 
 
1654
 
 
1655
class _FakeStat(object):
 
1656
    """A class with the same attributes as a real stat result."""
 
1657
 
 
1658
    def __init__(self, size, mtime, ctime, dev, ino, mode):
 
1659
        self.st_size = size
 
1660
        self.st_mtime = mtime
 
1661
        self.st_ctime = ctime
 
1662
        self.st_dev = dev
 
1663
        self.st_ino = ino
 
1664
        self.st_mode = mode
 
1665
 
 
1666
 
 
1667
class TestUpdateEntry(TestCaseWithDirState):
 
1668
    """Test the DirState.update_entry functions"""
 
1669
 
 
1670
    def get_state_with_a(self):
 
1671
        """Create a DirState tracking a single object named 'a'"""
 
1672
        state = InstrumentedDirState.initialize('dirstate')
 
1673
        self.addCleanup(state.unlock)
 
1674
        state.add('a', 'a-id', 'file', None, '')
 
1675
        entry = state._get_entry(0, path_utf8='a')
 
1676
        return state, entry
 
1677
 
 
1678
    def test_update_entry(self):
 
1679
        state, entry = self.get_state_with_a()
 
1680
        self.build_tree(['a'])
 
1681
        # Add one where we don't provide the stat or sha already
 
1682
        self.assertEqual(('', 'a', 'a-id'), entry[0])
 
1683
        self.assertEqual([('f', '', 0, False, dirstate.DirState.NULLSTAT)],
 
1684
                         entry[1])
 
1685
        # Flush the buffers to disk
 
1686
        state.save()
 
1687
        self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
 
1688
                         state._dirblock_state)
 
1689
 
 
1690
        stat_value = os.lstat('a')
 
1691
        packed_stat = dirstate.pack_stat(stat_value)
 
1692
        link_or_sha1 = state.update_entry(entry, abspath='a',
 
1693
                                          stat_value=stat_value)
 
1694
        self.assertEqual('b50e5406bb5e153ebbeb20268fcf37c87e1ecfb6',
 
1695
                         link_or_sha1)
 
1696
 
 
1697
        # The dirblock entry should not cache the file's sha1
 
1698
        self.assertEqual([('f', '', 14, False, dirstate.DirState.NULLSTAT)],
 
1699
                         entry[1])
 
1700
        self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
 
1701
                         state._dirblock_state)
 
1702
        mode = stat_value.st_mode
 
1703
        self.assertEqual([('sha1', 'a'), ('is_exec', mode, False)], state._log)
 
1704
 
 
1705
        state.save()
 
1706
        self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
 
1707
                         state._dirblock_state)
 
1708
 
 
1709
        # If we do it again right away, we don't know if the file has changed
 
1710
        # so we will re-read the file. Roll the clock back so the file is
 
1711
        # guaranteed to look too new.
 
1712
        state.adjust_time(-10)
 
1713
 
 
1714
        link_or_sha1 = state.update_entry(entry, abspath='a',
 
1715
                                          stat_value=stat_value)
 
1716
        self.assertEqual([('sha1', 'a'), ('is_exec', mode, False),
 
1717
                          ('sha1', 'a'), ('is_exec', mode, False),
 
1718
                         ], state._log)
 
1719
        self.assertEqual('b50e5406bb5e153ebbeb20268fcf37c87e1ecfb6',
 
1720
                         link_or_sha1)
 
1721
        self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
 
1722
                         state._dirblock_state)
 
1723
        self.assertEqual([('f', '', 14, False, dirstate.DirState.NULLSTAT)],
 
1724
                         entry[1])
 
1725
        state.save()
 
1726
 
 
1727
        # However, if we move the clock forward so the file is considered
 
1728
        # "stable", it should just cache the value.
 
1729
        state.adjust_time(+20)
 
1730
        link_or_sha1 = state.update_entry(entry, abspath='a',
 
1731
                                          stat_value=stat_value)
 
1732
        self.assertEqual('b50e5406bb5e153ebbeb20268fcf37c87e1ecfb6',
 
1733
                         link_or_sha1)
 
1734
        self.assertEqual([('sha1', 'a'), ('is_exec', mode, False),
 
1735
                          ('sha1', 'a'), ('is_exec', mode, False),
 
1736
                          ('sha1', 'a'), ('is_exec', mode, False),
 
1737
                         ], state._log)
 
1738
        self.assertEqual([('f', link_or_sha1, 14, False, packed_stat)],
 
1739
                         entry[1])
 
1740
 
 
1741
        # Subsequent calls will just return the cached value
 
1742
        link_or_sha1 = state.update_entry(entry, abspath='a',
 
1743
                                          stat_value=stat_value)
 
1744
        self.assertEqual('b50e5406bb5e153ebbeb20268fcf37c87e1ecfb6',
 
1745
                         link_or_sha1)
 
1746
        self.assertEqual([('sha1', 'a'), ('is_exec', mode, False),
 
1747
                          ('sha1', 'a'), ('is_exec', mode, False),
 
1748
                          ('sha1', 'a'), ('is_exec', mode, False),
 
1749
                         ], state._log)
 
1750
        self.assertEqual([('f', link_or_sha1, 14, False, packed_stat)],
 
1751
                         entry[1])
 
1752
 
 
1753
    def test_update_entry_symlink(self):
 
1754
        """Update entry should read symlinks."""
 
1755
        self.requireFeature(SymlinkFeature)
 
1756
        state, entry = self.get_state_with_a()
 
1757
        state.save()
 
1758
        self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
 
1759
                         state._dirblock_state)
 
1760
        os.symlink('target', 'a')
 
1761
 
 
1762
        state.adjust_time(-10) # Make the symlink look new
 
1763
        stat_value = os.lstat('a')
 
1764
        packed_stat = dirstate.pack_stat(stat_value)
 
1765
        link_or_sha1 = state.update_entry(entry, abspath='a',
 
1766
                                          stat_value=stat_value)
 
1767
        self.assertEqual('target', link_or_sha1)
 
1768
        self.assertEqual([('read_link', 'a', '')], state._log)
 
1769
        # Dirblock is not updated (the link is too new)
 
1770
        self.assertEqual([('l', '', 6, False, dirstate.DirState.NULLSTAT)],
 
1771
                         entry[1])
 
1772
        self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
 
1773
                         state._dirblock_state)
 
1774
 
 
1775
        # Because the stat_value looks new, we should re-read the target
 
1776
        link_or_sha1 = state.update_entry(entry, abspath='a',
 
1777
                                          stat_value=stat_value)
 
1778
        self.assertEqual('target', link_or_sha1)
 
1779
        self.assertEqual([('read_link', 'a', ''),
 
1780
                          ('read_link', 'a', ''),
 
1781
                         ], state._log)
 
1782
        self.assertEqual([('l', '', 6, False, dirstate.DirState.NULLSTAT)],
 
1783
                         entry[1])
 
1784
        state.adjust_time(+20) # Skip into the future, all files look old
 
1785
        link_or_sha1 = state.update_entry(entry, abspath='a',
 
1786
                                          stat_value=stat_value)
 
1787
        self.assertEqual('target', link_or_sha1)
 
1788
        # We need to re-read the link because only now can we cache it
 
1789
        self.assertEqual([('read_link', 'a', ''),
 
1790
                          ('read_link', 'a', ''),
 
1791
                          ('read_link', 'a', ''),
 
1792
                         ], state._log)
 
1793
        self.assertEqual([('l', 'target', 6, False, packed_stat)],
 
1794
                         entry[1])
 
1795
 
 
1796
        # Another call won't re-read the link
 
1797
        self.assertEqual([('read_link', 'a', ''),
 
1798
                          ('read_link', 'a', ''),
 
1799
                          ('read_link', 'a', ''),
 
1800
                         ], state._log)
 
1801
        link_or_sha1 = state.update_entry(entry, abspath='a',
 
1802
                                          stat_value=stat_value)
 
1803
        self.assertEqual('target', link_or_sha1)
 
1804
        self.assertEqual([('l', 'target', 6, False, packed_stat)],
 
1805
                         entry[1])
 
1806
 
 
1807
    def do_update_entry(self, state, entry, abspath):
 
1808
        stat_value = os.lstat(abspath)
 
1809
        return state.update_entry(entry, abspath, stat_value)
 
1810
 
 
1811
    def test_update_entry_dir(self):
 
1812
        state, entry = self.get_state_with_a()
 
1813
        self.build_tree(['a/'])
 
1814
        self.assertIs(None, self.do_update_entry(state, entry, 'a'))
 
1815
 
 
1816
    def test_update_entry_dir_unchanged(self):
 
1817
        state, entry = self.get_state_with_a()
 
1818
        self.build_tree(['a/'])
 
1819
        state.adjust_time(+20)
 
1820
        self.assertIs(None, self.do_update_entry(state, entry, 'a'))
 
1821
        self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
 
1822
                         state._dirblock_state)
 
1823
        state.save()
 
1824
        self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
 
1825
                         state._dirblock_state)
 
1826
        self.assertIs(None, self.do_update_entry(state, entry, 'a'))
 
1827
        self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
 
1828
                         state._dirblock_state)
 
1829
 
 
1830
    def test_update_entry_file_unchanged(self):
 
1831
        state, entry = self.get_state_with_a()
 
1832
        self.build_tree(['a'])
 
1833
        sha1sum = 'b50e5406bb5e153ebbeb20268fcf37c87e1ecfb6'
 
1834
        state.adjust_time(+20)
 
1835
        self.assertEqual(sha1sum, self.do_update_entry(state, entry, 'a'))
 
1836
        self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
 
1837
                         state._dirblock_state)
 
1838
        state.save()
 
1839
        self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
 
1840
                         state._dirblock_state)
 
1841
        self.assertEqual(sha1sum, self.do_update_entry(state, entry, 'a'))
 
1842
        self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
 
1843
                         state._dirblock_state)
 
1844
 
 
1845
    def create_and_test_file(self, state, entry):
 
1846
        """Create a file at 'a' and verify the state finds it.
 
1847
 
 
1848
        The state should already be versioning *something* at 'a'. This makes
 
1849
        sure that state.update_entry recognizes it as a file.
 
1850
        """
 
1851
        self.build_tree(['a'])
 
1852
        stat_value = os.lstat('a')
 
1853
        packed_stat = dirstate.pack_stat(stat_value)
 
1854
 
 
1855
        link_or_sha1 = self.do_update_entry(state, entry, abspath='a')
 
1856
        self.assertEqual('b50e5406bb5e153ebbeb20268fcf37c87e1ecfb6',
 
1857
                         link_or_sha1)
 
1858
        self.assertEqual([('f', link_or_sha1, 14, False, packed_stat)],
 
1859
                         entry[1])
 
1860
        return packed_stat
 
1861
 
 
1862
    def create_and_test_dir(self, state, entry):
 
1863
        """Create a directory at 'a' and verify the state finds it.
 
1864
 
 
1865
        The state should already be versioning *something* at 'a'. This makes
 
1866
        sure that state.update_entry recognizes it as a directory.
 
1867
        """
 
1868
        self.build_tree(['a/'])
 
1869
        stat_value = os.lstat('a')
 
1870
        packed_stat = dirstate.pack_stat(stat_value)
 
1871
 
 
1872
        link_or_sha1 = self.do_update_entry(state, entry, abspath='a')
 
1873
        self.assertIs(None, link_or_sha1)
 
1874
        self.assertEqual([('d', '', 0, False, packed_stat)], entry[1])
 
1875
 
 
1876
        return packed_stat
 
1877
 
 
1878
    def create_and_test_symlink(self, state, entry):
 
1879
        """Create a symlink at 'a' and verify the state finds it.
 
1880
 
 
1881
        The state should already be versioning *something* at 'a'. This makes
 
1882
        sure that state.update_entry recognizes it as a symlink.
 
1883
 
 
1884
        This should not be called if this platform does not have symlink
 
1885
        support.
 
1886
        """
 
1887
        # caller should care about skipping test on platforms without symlinks
 
1888
        os.symlink('path/to/foo', 'a')
 
1889
 
 
1890
        stat_value = os.lstat('a')
 
1891
        packed_stat = dirstate.pack_stat(stat_value)
 
1892
 
 
1893
        link_or_sha1 = self.do_update_entry(state, entry, abspath='a')
 
1894
        self.assertEqual('path/to/foo', link_or_sha1)
 
1895
        self.assertEqual([('l', 'path/to/foo', 11, False, packed_stat)],
 
1896
                         entry[1])
 
1897
        return packed_stat
 
1898
 
 
1899
    def test_update_file_to_dir(self):
 
1900
        """If a file changes to a directory we return None for the sha.
 
1901
        We also update the inventory record.
 
1902
        """
 
1903
        state, entry = self.get_state_with_a()
 
1904
        # The file sha1 won't be cached unless the file is old
 
1905
        state.adjust_time(+10)
 
1906
        self.create_and_test_file(state, entry)
 
1907
        os.remove('a')
 
1908
        self.create_and_test_dir(state, entry)
 
1909
 
 
1910
    def test_update_file_to_symlink(self):
 
1911
        """File becomes a symlink"""
 
1912
        self.requireFeature(SymlinkFeature)
 
1913
        state, entry = self.get_state_with_a()
 
1914
        # The file sha1 won't be cached unless the file is old
 
1915
        state.adjust_time(+10)
 
1916
        self.create_and_test_file(state, entry)
 
1917
        os.remove('a')
 
1918
        self.create_and_test_symlink(state, entry)
 
1919
 
 
1920
    def test_update_dir_to_file(self):
 
1921
        """Directory becoming a file updates the entry."""
 
1922
        state, entry = self.get_state_with_a()
 
1923
        # The file sha1 won't be cached unless the file is old
 
1924
        state.adjust_time(+10)
 
1925
        self.create_and_test_dir(state, entry)
 
1926
        os.rmdir('a')
 
1927
        self.create_and_test_file(state, entry)
 
1928
 
 
1929
    def test_update_dir_to_symlink(self):
 
1930
        """Directory becomes a symlink"""
 
1931
        self.requireFeature(SymlinkFeature)
 
1932
        state, entry = self.get_state_with_a()
 
1933
        # The symlink target won't be cached if it isn't old
 
1934
        state.adjust_time(+10)
 
1935
        self.create_and_test_dir(state, entry)
 
1936
        os.rmdir('a')
 
1937
        self.create_and_test_symlink(state, entry)
 
1938
 
 
1939
    def test_update_symlink_to_file(self):
 
1940
        """Symlink becomes a file"""
 
1941
        self.requireFeature(SymlinkFeature)
 
1942
        state, entry = self.get_state_with_a()
 
1943
        # The symlink and file info won't be cached unless old
 
1944
        state.adjust_time(+10)
 
1945
        self.create_and_test_symlink(state, entry)
 
1946
        os.remove('a')
 
1947
        self.create_and_test_file(state, entry)
 
1948
 
 
1949
    def test_update_symlink_to_dir(self):
 
1950
        """Symlink becomes a directory"""
 
1951
        self.requireFeature(SymlinkFeature)
 
1952
        state, entry = self.get_state_with_a()
 
1953
        # The symlink target won't be cached if it isn't old
 
1954
        state.adjust_time(+10)
 
1955
        self.create_and_test_symlink(state, entry)
 
1956
        os.remove('a')
 
1957
        self.create_and_test_dir(state, entry)
 
1958
 
 
1959
    def test__is_executable_win32(self):
 
1960
        state, entry = self.get_state_with_a()
 
1961
        self.build_tree(['a'])
 
1962
 
 
1963
        # Make sure we are using the win32 implementation of _is_executable
 
1964
        state._is_executable = state._is_executable_win32
 
1965
 
 
1966
        # The file on disk is not executable, but we are marking it as though
 
1967
        # it is. With _is_executable_win32 we ignore what is on disk.
 
1968
        entry[1][0] = ('f', '', 0, True, dirstate.DirState.NULLSTAT)
 
1969
 
 
1970
        stat_value = os.lstat('a')
 
1971
        packed_stat = dirstate.pack_stat(stat_value)
 
1972
 
 
1973
        state.adjust_time(-10) # Make sure everything is new
 
1974
        state.update_entry(entry, abspath='a', stat_value=stat_value)
 
1975
 
 
1976
        # The row is updated, but the executable bit stays set.
 
1977
        self.assertEqual([('f', '', 14, True, dirstate.DirState.NULLSTAT)],
 
1978
                         entry[1])
 
1979
 
 
1980
        # Make the disk object look old enough to cache
 
1981
        state.adjust_time(+20)
 
1982
        digest = 'b50e5406bb5e153ebbeb20268fcf37c87e1ecfb6'
 
1983
        state.update_entry(entry, abspath='a', stat_value=stat_value)
 
1984
        self.assertEqual([('f', digest, 14, True, packed_stat)], entry[1])
 
1985
 
 
1986
 
 
1987
class TestPackStat(TestCaseWithTransport):
 
1988
 
 
1989
    def assertPackStat(self, expected, stat_value):
 
1990
        """Check the packed and serialized form of a stat value."""
 
1991
        self.assertEqual(expected, dirstate.pack_stat(stat_value))
 
1992
 
 
1993
    def test_pack_stat_int(self):
 
1994
        st = _FakeStat(6859L, 1172758614, 1172758617, 777L, 6499538L, 0100644)
 
1995
        # Make sure that all parameters have an impact on the packed stat.
 
1996
        self.assertPackStat('AAAay0Xm4FZF5uBZAAADCQBjLNIAAIGk', st)
 
1997
        st.st_size = 7000L
 
1998
        #                ay0 => bWE
 
1999
        self.assertPackStat('AAAbWEXm4FZF5uBZAAADCQBjLNIAAIGk', st)
 
2000
        st.st_mtime = 1172758620
 
2001
        #                     4FZ => 4Fx
 
2002
        self.assertPackStat('AAAbWEXm4FxF5uBZAAADCQBjLNIAAIGk', st)
 
2003
        st.st_ctime = 1172758630
 
2004
        #                          uBZ => uBm
 
2005
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADCQBjLNIAAIGk', st)
 
2006
        st.st_dev = 888L
 
2007
        #                                DCQ => DeA
 
2008
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADeABjLNIAAIGk', st)
 
2009
        st.st_ino = 6499540L
 
2010
        #                                     LNI => LNQ
 
2011
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADeABjLNQAAIGk', st)
 
2012
        st.st_mode = 0100744
 
2013
        #                                          IGk => IHk
 
2014
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADeABjLNQAAIHk', st)
 
2015
 
 
2016
    def test_pack_stat_float(self):
 
2017
        """On some platforms mtime and ctime are floats.
 
2018
 
 
2019
        Make sure we don't get warnings or errors, and that we ignore changes <
 
2020
        1s
 
2021
        """
 
2022
        st = _FakeStat(7000L, 1172758614.0, 1172758617.0,
 
2023
                       777L, 6499538L, 0100644)
 
2024
        # These should all be the same as the integer counterparts
 
2025
        self.assertPackStat('AAAbWEXm4FZF5uBZAAADCQBjLNIAAIGk', st)
 
2026
        st.st_mtime = 1172758620.0
 
2027
        #                     FZF5 => FxF5
 
2028
        self.assertPackStat('AAAbWEXm4FxF5uBZAAADCQBjLNIAAIGk', st)
 
2029
        st.st_ctime = 1172758630.0
 
2030
        #                          uBZ => uBm
 
2031
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADCQBjLNIAAIGk', st)
 
2032
        # fractional seconds are discarded, so no change from above
 
2033
        st.st_mtime = 1172758620.453
 
2034
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADCQBjLNIAAIGk', st)
 
2035
        st.st_ctime = 1172758630.228
 
2036
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADCQBjLNIAAIGk', st)
 
2037
 
 
2038
 
 
2039
class TestBisect(TestCaseWithDirState):
 
2040
    """Test the ability to bisect into the disk format."""
 
2041
 
 
2042
    def assertBisect(self, expected_map, map_keys, state, paths):
 
2043
        """Assert that bisecting for paths returns the right result.
 
2044
 
 
2045
        :param expected_map: A map from key => entry value
 
2046
        :param map_keys: The keys to expect for each path
 
2047
        :param state: The DirState object.
 
2048
        :param paths: A list of paths, these will automatically be split into
 
2049
                      (dir, name) tuples, and sorted according to how _bisect
 
2050
                      requires.
 
2051
        """
 
2052
        result = state._bisect(paths)
 
2053
        # For now, results are just returned in whatever order we read them.
 
2054
        # We could sort by (dir, name, file_id) or something like that, but in
 
2055
        # the end it would still be fairly arbitrary, and we don't want the
 
2056
        # extra overhead if we can avoid it. So sort everything to make sure
 
2057
        # equality is true
 
2058
        self.assertEqual(len(map_keys), len(paths))
 
2059
        expected = {}
 
2060
        for path, keys in zip(paths, map_keys):
 
2061
            if keys is None:
 
2062
                # This should not be present in the output
 
2063
                continue
 
2064
            expected[path] = sorted(expected_map[k] for k in keys)
 
2065
 
 
2066
        # The returned values are just arranged randomly based on when they
 
2067
        # were read, for testing, make sure it is properly sorted.
 
2068
        for path in result:
 
2069
            result[path].sort()
 
2070
 
 
2071
        self.assertEqual(expected, result)
 
2072
 
 
2073
    def assertBisectDirBlocks(self, expected_map, map_keys, state, paths):
 
2074
        """Assert that bisecting for dirbblocks returns the right result.
 
2075
 
 
2076
        :param expected_map: A map from key => expected values
 
2077
        :param map_keys: A nested list of paths we expect to be returned.
 
2078
            Something like [['a', 'b', 'f'], ['b/c', 'b/d']]
 
2079
        :param state: The DirState object.
 
2080
        :param paths: A list of directories
 
2081
        """
 
2082
        result = state._bisect_dirblocks(paths)
 
2083
        self.assertEqual(len(map_keys), len(paths))
 
2084
        expected = {}
 
2085
        for path, keys in zip(paths, map_keys):
 
2086
            if keys is None:
 
2087
                # This should not be present in the output
 
2088
                continue
 
2089
            expected[path] = sorted(expected_map[k] for k in keys)
 
2090
        for path in result:
 
2091
            result[path].sort()
 
2092
 
 
2093
        self.assertEqual(expected, result)
 
2094
 
 
2095
    def assertBisectRecursive(self, expected_map, map_keys, state, paths):
 
2096
        """Assert the return value of a recursive bisection.
 
2097
 
 
2098
        :param expected_map: A map from key => entry value
 
2099
        :param map_keys: A list of paths we expect to be returned.
 
2100
            Something like ['a', 'b', 'f', 'b/d', 'b/d2']
 
2101
        :param state: The DirState object.
 
2102
        :param paths: A list of files and directories. It will be broken up
 
2103
            into (dir, name) pairs and sorted before calling _bisect_recursive.
 
2104
        """
 
2105
        expected = {}
 
2106
        for key in map_keys:
 
2107
            entry = expected_map[key]
 
2108
            dir_name_id, trees_info = entry
 
2109
            expected[dir_name_id] = trees_info
 
2110
 
 
2111
        result = state._bisect_recursive(paths)
 
2112
 
 
2113
        self.assertEqual(expected, result)
 
2114
 
 
2115
    def test_bisect_each(self):
 
2116
        """Find a single record using bisect."""
 
2117
        tree, state, expected = self.create_basic_dirstate()
 
2118
 
 
2119
        # Bisect should return the rows for the specified files.
 
2120
        self.assertBisect(expected, [['']], state, [''])
 
2121
        self.assertBisect(expected, [['a']], state, ['a'])
 
2122
        self.assertBisect(expected, [['b']], state, ['b'])
 
2123
        self.assertBisect(expected, [['b/c']], state, ['b/c'])
 
2124
        self.assertBisect(expected, [['b/d']], state, ['b/d'])
 
2125
        self.assertBisect(expected, [['b/d/e']], state, ['b/d/e'])
 
2126
        self.assertBisect(expected, [['b-c']], state, ['b-c'])
 
2127
        self.assertBisect(expected, [['f']], state, ['f'])
 
2128
 
 
2129
    def test_bisect_multi(self):
 
2130
        """Bisect can be used to find multiple records at the same time."""
 
2131
        tree, state, expected = self.create_basic_dirstate()
 
2132
        # Bisect should be capable of finding multiple entries at the same time
 
2133
        self.assertBisect(expected, [['a'], ['b'], ['f']],
 
2134
                          state, ['a', 'b', 'f'])
 
2135
        self.assertBisect(expected, [['f'], ['b/d'], ['b/d/e']],
 
2136
                          state, ['f', 'b/d', 'b/d/e'])
 
2137
        self.assertBisect(expected, [['b'], ['b-c'], ['b/c']],
 
2138
                          state, ['b', 'b-c', 'b/c'])
 
2139
 
 
2140
    def test_bisect_one_page(self):
 
2141
        """Test bisect when there is only 1 page to read"""
 
2142
        tree, state, expected = self.create_basic_dirstate()
 
2143
        state._bisect_page_size = 5000
 
2144
        self.assertBisect(expected,[['']], state, [''])
 
2145
        self.assertBisect(expected,[['a']], state, ['a'])
 
2146
        self.assertBisect(expected,[['b']], state, ['b'])
 
2147
        self.assertBisect(expected,[['b/c']], state, ['b/c'])
 
2148
        self.assertBisect(expected,[['b/d']], state, ['b/d'])
 
2149
        self.assertBisect(expected,[['b/d/e']], state, ['b/d/e'])
 
2150
        self.assertBisect(expected,[['b-c']], state, ['b-c'])
 
2151
        self.assertBisect(expected,[['f']], state, ['f'])
 
2152
        self.assertBisect(expected,[['a'], ['b'], ['f']],
 
2153
                          state, ['a', 'b', 'f'])
 
2154
        self.assertBisect(expected, [['b/d'], ['b/d/e'], ['f']],
 
2155
                          state, ['b/d', 'b/d/e', 'f'])
 
2156
        self.assertBisect(expected, [['b'], ['b/c'], ['b-c']],
 
2157
                          state, ['b', 'b/c', 'b-c'])
 
2158
 
 
2159
    def test_bisect_duplicate_paths(self):
 
2160
        """When bisecting for a path, handle multiple entries."""
 
2161
        tree, state, expected = self.create_duplicated_dirstate()
 
2162
 
 
2163
        # Now make sure that both records are properly returned.
 
2164
        self.assertBisect(expected, [['']], state, [''])
 
2165
        self.assertBisect(expected, [['a', 'a2']], state, ['a'])
 
2166
        self.assertBisect(expected, [['b', 'b2']], state, ['b'])
 
2167
        self.assertBisect(expected, [['b/c', 'b/c2']], state, ['b/c'])
 
2168
        self.assertBisect(expected, [['b/d', 'b/d2']], state, ['b/d'])
 
2169
        self.assertBisect(expected, [['b/d/e', 'b/d/e2']],
 
2170
                          state, ['b/d/e'])
 
2171
        self.assertBisect(expected, [['b-c', 'b-c2']], state, ['b-c'])
 
2172
        self.assertBisect(expected, [['f', 'f2']], state, ['f'])
 
2173
 
 
2174
    def test_bisect_page_size_too_small(self):
 
2175
        """If the page size is too small, we will auto increase it."""
 
2176
        tree, state, expected = self.create_basic_dirstate()
 
2177
        state._bisect_page_size = 50
 
2178
        self.assertBisect(expected, [None], state, ['b/e'])
 
2179
        self.assertBisect(expected, [['a']], state, ['a'])
 
2180
        self.assertBisect(expected, [['b']], state, ['b'])
 
2181
        self.assertBisect(expected, [['b/c']], state, ['b/c'])
 
2182
        self.assertBisect(expected, [['b/d']], state, ['b/d'])
 
2183
        self.assertBisect(expected, [['b/d/e']], state, ['b/d/e'])
 
2184
        self.assertBisect(expected, [['b-c']], state, ['b-c'])
 
2185
        self.assertBisect(expected, [['f']], state, ['f'])
 
2186
 
 
2187
    def test_bisect_missing(self):
 
2188
        """Test that bisect return None if it cannot find a path."""
 
2189
        tree, state, expected = self.create_basic_dirstate()
 
2190
        self.assertBisect(expected, [None], state, ['foo'])
 
2191
        self.assertBisect(expected, [None], state, ['b/foo'])
 
2192
        self.assertBisect(expected, [None], state, ['bar/foo'])
 
2193
        self.assertBisect(expected, [None], state, ['b-c/foo'])
 
2194
 
 
2195
        self.assertBisect(expected, [['a'], None, ['b/d']],
 
2196
                          state, ['a', 'foo', 'b/d'])
 
2197
 
 
2198
    def test_bisect_rename(self):
 
2199
        """Check that we find a renamed row."""
 
2200
        tree, state, expected = self.create_renamed_dirstate()
 
2201
 
 
2202
        # Search for the pre and post renamed entries
 
2203
        self.assertBisect(expected, [['a']], state, ['a'])
 
2204
        self.assertBisect(expected, [['b/g']], state, ['b/g'])
 
2205
        self.assertBisect(expected, [['b/d']], state, ['b/d'])
 
2206
        self.assertBisect(expected, [['h']], state, ['h'])
 
2207
 
 
2208
        # What about b/d/e? shouldn't that also get 2 directory entries?
 
2209
        self.assertBisect(expected, [['b/d/e']], state, ['b/d/e'])
 
2210
        self.assertBisect(expected, [['h/e']], state, ['h/e'])
 
2211
 
 
2212
    def test_bisect_dirblocks(self):
 
2213
        tree, state, expected = self.create_duplicated_dirstate()
 
2214
        self.assertBisectDirBlocks(expected,
 
2215
            [['', 'a', 'a2', 'b', 'b2', 'b-c', 'b-c2', 'f', 'f2']],
 
2216
            state, [''])
 
2217
        self.assertBisectDirBlocks(expected,
 
2218
            [['b/c', 'b/c2', 'b/d', 'b/d2']], state, ['b'])
 
2219
        self.assertBisectDirBlocks(expected,
 
2220
            [['b/d/e', 'b/d/e2']], state, ['b/d'])
 
2221
        self.assertBisectDirBlocks(expected,
 
2222
            [['', 'a', 'a2', 'b', 'b2', 'b-c', 'b-c2', 'f', 'f2'],
 
2223
             ['b/c', 'b/c2', 'b/d', 'b/d2'],
 
2224
             ['b/d/e', 'b/d/e2'],
 
2225
            ], state, ['', 'b', 'b/d'])
 
2226
 
 
2227
    def test_bisect_dirblocks_missing(self):
 
2228
        tree, state, expected = self.create_basic_dirstate()
 
2229
        self.assertBisectDirBlocks(expected, [['b/d/e'], None],
 
2230
            state, ['b/d', 'b/e'])
 
2231
        # Files don't show up in this search
 
2232
        self.assertBisectDirBlocks(expected, [None], state, ['a'])
 
2233
        self.assertBisectDirBlocks(expected, [None], state, ['b/c'])
 
2234
        self.assertBisectDirBlocks(expected, [None], state, ['c'])
 
2235
        self.assertBisectDirBlocks(expected, [None], state, ['b/d/e'])
 
2236
        self.assertBisectDirBlocks(expected, [None], state, ['f'])
 
2237
 
 
2238
    def test_bisect_recursive_each(self):
 
2239
        tree, state, expected = self.create_basic_dirstate()
 
2240
        self.assertBisectRecursive(expected, ['a'], state, ['a'])
 
2241
        self.assertBisectRecursive(expected, ['b/c'], state, ['b/c'])
 
2242
        self.assertBisectRecursive(expected, ['b/d/e'], state, ['b/d/e'])
 
2243
        self.assertBisectRecursive(expected, ['b-c'], state, ['b-c'])
 
2244
        self.assertBisectRecursive(expected, ['b/d', 'b/d/e'],
 
2245
                                   state, ['b/d'])
 
2246
        self.assertBisectRecursive(expected, ['b', 'b/c', 'b/d', 'b/d/e'],
 
2247
                                   state, ['b'])
 
2248
        self.assertBisectRecursive(expected, ['', 'a', 'b', 'b-c', 'f', 'b/c',
 
2249
                                              'b/d', 'b/d/e'],
 
2250
                                   state, [''])
 
2251
 
 
2252
    def test_bisect_recursive_multiple(self):
 
2253
        tree, state, expected = self.create_basic_dirstate()
 
2254
        self.assertBisectRecursive(expected, ['a', 'b/c'], state, ['a', 'b/c'])
 
2255
        self.assertBisectRecursive(expected, ['b/d', 'b/d/e'],
 
2256
                                   state, ['b/d', 'b/d/e'])
 
2257
 
 
2258
    def test_bisect_recursive_missing(self):
 
2259
        tree, state, expected = self.create_basic_dirstate()
 
2260
        self.assertBisectRecursive(expected, [], state, ['d'])
 
2261
        self.assertBisectRecursive(expected, [], state, ['b/e'])
 
2262
        self.assertBisectRecursive(expected, [], state, ['g'])
 
2263
        self.assertBisectRecursive(expected, ['a'], state, ['a', 'g'])
 
2264
 
 
2265
    def test_bisect_recursive_renamed(self):
 
2266
        tree, state, expected = self.create_renamed_dirstate()
 
2267
 
 
2268
        # Looking for either renamed item should find the other
 
2269
        self.assertBisectRecursive(expected, ['a', 'b/g'], state, ['a'])
 
2270
        self.assertBisectRecursive(expected, ['a', 'b/g'], state, ['b/g'])
 
2271
        # Looking in the containing directory should find the rename target,
 
2272
        # and anything in a subdir of the renamed target.
 
2273
        self.assertBisectRecursive(expected, ['a', 'b', 'b/c', 'b/d',
 
2274
                                              'b/d/e', 'b/g', 'h', 'h/e'],
 
2275
                                   state, ['b'])
 
2276
 
 
2277
 
 
2278
class TestDirstateValidation(TestCaseWithDirState):
 
2279
 
 
2280
    def test_validate_correct_dirstate(self):
 
2281
        state = self.create_complex_dirstate()
 
2282
        state._validate()
 
2283
        state.unlock()
 
2284
        # and make sure we can also validate with a read lock
 
2285
        state.lock_read()
 
2286
        try:
 
2287
            state._validate()
 
2288
        finally:
 
2289
            state.unlock()
 
2290
 
 
2291
    def test_dirblock_not_sorted(self):
 
2292
        tree, state, expected = self.create_renamed_dirstate()
 
2293
        state._read_dirblocks_if_needed()
 
2294
        last_dirblock = state._dirblocks[-1]
 
2295
        # we're appending to the dirblock, but this name comes before some of
 
2296
        # the existing names; that's wrong
 
2297
        last_dirblock[1].append(
 
2298
            (('h', 'aaaa', 'a-id'),
 
2299
             [('a', '', 0, False, ''),
 
2300
              ('a', '', 0, False, '')]))
 
2301
        e = self.assertRaises(AssertionError,
 
2302
            state._validate)
 
2303
        self.assertContainsRe(str(e), 'not sorted')
 
2304
 
 
2305
    def test_dirblock_name_mismatch(self):
 
2306
        tree, state, expected = self.create_renamed_dirstate()
 
2307
        state._read_dirblocks_if_needed()
 
2308
        last_dirblock = state._dirblocks[-1]
 
2309
        # add an entry with the wrong directory name
 
2310
        last_dirblock[1].append(
 
2311
            (('', 'z', 'a-id'),
 
2312
             [('a', '', 0, False, ''),
 
2313
              ('a', '', 0, False, '')]))
 
2314
        e = self.assertRaises(AssertionError,
 
2315
            state._validate)
 
2316
        self.assertContainsRe(str(e),
 
2317
            "doesn't match directory name")
 
2318
 
 
2319
    def test_dirblock_missing_rename(self):
 
2320
        tree, state, expected = self.create_renamed_dirstate()
 
2321
        state._read_dirblocks_if_needed()
 
2322
        last_dirblock = state._dirblocks[-1]
 
2323
        # make another entry for a-id, without a correct 'r' pointer to
 
2324
        # the real occurrence in the working tree
 
2325
        last_dirblock[1].append(
 
2326
            (('h', 'z', 'a-id'),
 
2327
             [('a', '', 0, False, ''),
 
2328
              ('a', '', 0, False, '')]))
 
2329
        e = self.assertRaises(AssertionError,
 
2330
            state._validate)
 
2331
        self.assertContainsRe(str(e),
 
2332
            'file a-id is absent in row')
 
2333
 
 
2334
 
 
2335
class TestDirstateTreeReference(TestCaseWithDirState):
 
2336
 
 
2337
    def test_reference_revision_is_none(self):
 
2338
        tree = self.make_branch_and_tree('tree', format='dirstate-with-subtree')
 
2339
        subtree = self.make_branch_and_tree('tree/subtree',
 
2340
                            format='dirstate-with-subtree')
 
2341
        subtree.set_root_id('subtree')
 
2342
        tree.add_reference(subtree)
 
2343
        tree.add('subtree')
 
2344
        state = dirstate.DirState.from_tree(tree, 'dirstate')
 
2345
        key = ('', 'subtree', 'subtree')
 
2346
        expected = ('', [(key,
 
2347
            [('t', '', 0, False, 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx')])])
 
2348
 
 
2349
        try:
 
2350
            self.assertEqual(expected, state._find_block(key))
 
2351
        finally:
 
2352
            state.unlock()
 
2353
 
 
2354
 
 
2355
class TestDiscardMergeParents(TestCaseWithDirState):
 
2356
 
 
2357
    def test_discard_no_parents(self):
 
2358
        # This should be a no-op
 
2359
        state = self.create_empty_dirstate()
 
2360
        self.addCleanup(state.unlock)
 
2361
        state._discard_merge_parents()
 
2362
        state._validate()
 
2363
 
 
2364
    def test_discard_one_parent(self):
 
2365
        # No-op
 
2366
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
 
2367
        root_entry_direntry = ('', '', 'a-root-value'), [
 
2368
            ('d', '', 0, False, packed_stat),
 
2369
            ('d', '', 0, False, packed_stat),
 
2370
            ]
 
2371
        dirblocks = []
 
2372
        dirblocks.append(('', [root_entry_direntry]))
 
2373
        dirblocks.append(('', []))
 
2374
 
 
2375
        state = self.create_empty_dirstate()
 
2376
        self.addCleanup(state.unlock)
 
2377
        state._set_data(['parent-id'], dirblocks[:])
 
2378
        state._validate()
 
2379
 
 
2380
        state._discard_merge_parents()
 
2381
        state._validate()
 
2382
        self.assertEqual(dirblocks, state._dirblocks)
 
2383
 
 
2384
    def test_discard_simple(self):
 
2385
        # No-op
 
2386
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
 
2387
        root_entry_direntry = ('', '', 'a-root-value'), [
 
2388
            ('d', '', 0, False, packed_stat),
 
2389
            ('d', '', 0, False, packed_stat),
 
2390
            ('d', '', 0, False, packed_stat),
 
2391
            ]
 
2392
        expected_root_entry_direntry = ('', '', 'a-root-value'), [
 
2393
            ('d', '', 0, False, packed_stat),
 
2394
            ('d', '', 0, False, packed_stat),
 
2395
            ]
 
2396
        dirblocks = []
 
2397
        dirblocks.append(('', [root_entry_direntry]))
 
2398
        dirblocks.append(('', []))
 
2399
 
 
2400
        state = self.create_empty_dirstate()
 
2401
        self.addCleanup(state.unlock)
 
2402
        state._set_data(['parent-id', 'merged-id'], dirblocks[:])
 
2403
        state._validate()
 
2404
 
 
2405
        # This should strip of the extra column
 
2406
        state._discard_merge_parents()
 
2407
        state._validate()
 
2408
        expected_dirblocks = [('', [expected_root_entry_direntry]), ('', [])]
 
2409
        self.assertEqual(expected_dirblocks, state._dirblocks)
 
2410
 
 
2411
    def test_discard_absent(self):
 
2412
        """If entries are only in a merge, discard should remove the entries"""
 
2413
        null_stat = dirstate.DirState.NULLSTAT
 
2414
        present_dir = ('d', '', 0, False, null_stat)
 
2415
        present_file = ('f', '', 0, False, null_stat)
 
2416
        absent = dirstate.DirState.NULL_PARENT_DETAILS
 
2417
        root_key = ('', '', 'a-root-value')
 
2418
        file_in_root_key = ('', 'file-in-root', 'a-file-id')
 
2419
        file_in_merged_key = ('', 'file-in-merged', 'b-file-id')
 
2420
        dirblocks = [('', [(root_key, [present_dir, present_dir, present_dir])]),
 
2421
                     ('', [(file_in_merged_key,
 
2422
                            [absent, absent, present_file]),
 
2423
                           (file_in_root_key,
 
2424
                            [present_file, present_file, present_file]),
 
2425
                          ]),
 
2426
                    ]
 
2427
 
 
2428
        state = self.create_empty_dirstate()
 
2429
        self.addCleanup(state.unlock)
 
2430
        state._set_data(['parent-id', 'merged-id'], dirblocks[:])
 
2431
        state._validate()
 
2432
 
 
2433
        exp_dirblocks = [('', [(root_key, [present_dir, present_dir])]),
 
2434
                         ('', [(file_in_root_key,
 
2435
                                [present_file, present_file]),
 
2436
                              ]),
 
2437
                        ]
 
2438
        state._discard_merge_parents()
 
2439
        state._validate()
 
2440
        self.assertEqual(exp_dirblocks, state._dirblocks)
 
2441
 
 
2442
    def test_discard_renamed(self):
 
2443
        null_stat = dirstate.DirState.NULLSTAT
 
2444
        present_dir = ('d', '', 0, False, null_stat)
 
2445
        present_file = ('f', '', 0, False, null_stat)
 
2446
        absent = dirstate.DirState.NULL_PARENT_DETAILS
 
2447
        root_key = ('', '', 'a-root-value')
 
2448
        file_in_root_key = ('', 'file-in-root', 'a-file-id')
 
2449
        # Renamed relative to parent
 
2450
        file_rename_s_key = ('', 'file-s', 'b-file-id')
 
2451
        file_rename_t_key = ('', 'file-t', 'b-file-id')
 
2452
        # And one that is renamed between the parents, but absent in this
 
2453
        key_in_1 = ('', 'file-in-1', 'c-file-id')
 
2454
        key_in_2 = ('', 'file-in-2', 'c-file-id')
 
2455
 
 
2456
        dirblocks = [
 
2457
            ('', [(root_key, [present_dir, present_dir, present_dir])]),
 
2458
            ('', [(key_in_1,
 
2459
                   [absent, present_file, ('r', 'file-in-2', 'c-file-id')]),
 
2460
                  (key_in_2,
 
2461
                   [absent, ('r', 'file-in-1', 'c-file-id'), present_file]),
 
2462
                  (file_in_root_key,
 
2463
                   [present_file, present_file, present_file]),
 
2464
                  (file_rename_s_key,
 
2465
                   [('r', 'file-t', 'b-file-id'), absent, present_file]),
 
2466
                  (file_rename_t_key,
 
2467
                   [present_file, absent, ('r', 'file-s', 'b-file-id')]),
 
2468
                 ]),
 
2469
        ]
 
2470
        exp_dirblocks = [
 
2471
            ('', [(root_key, [present_dir, present_dir])]),
 
2472
            ('', [(key_in_1, [absent, present_file]),
 
2473
                  (file_in_root_key, [present_file, present_file]),
 
2474
                  (file_rename_t_key, [present_file, absent]),
 
2475
                 ]),
 
2476
        ]
 
2477
        state = self.create_empty_dirstate()
 
2478
        self.addCleanup(state.unlock)
 
2479
        state._set_data(['parent-id', 'merged-id'], dirblocks[:])
 
2480
        state._validate()
 
2481
 
 
2482
        state._discard_merge_parents()
 
2483
        state._validate()
 
2484
        self.assertEqual(exp_dirblocks, state._dirblocks)
 
2485
 
 
2486
    def test_discard_all_subdir(self):
 
2487
        null_stat = dirstate.DirState.NULLSTAT
 
2488
        present_dir = ('d', '', 0, False, null_stat)
 
2489
        present_file = ('f', '', 0, False, null_stat)
 
2490
        absent = dirstate.DirState.NULL_PARENT_DETAILS
 
2491
        root_key = ('', '', 'a-root-value')
 
2492
        subdir_key = ('', 'sub', 'dir-id')
 
2493
        child1_key = ('sub', 'child1', 'child1-id')
 
2494
        child2_key = ('sub', 'child2', 'child2-id')
 
2495
        child3_key = ('sub', 'child3', 'child3-id')
 
2496
 
 
2497
        dirblocks = [
 
2498
            ('', [(root_key, [present_dir, present_dir, present_dir])]),
 
2499
            ('', [(subdir_key, [present_dir, present_dir, present_dir])]),
 
2500
            ('sub', [(child1_key, [absent, absent, present_file]),
 
2501
                     (child2_key, [absent, absent, present_file]),
 
2502
                     (child3_key, [absent, absent, present_file]),
 
2503
                    ]),
 
2504
        ]
 
2505
        exp_dirblocks = [
 
2506
            ('', [(root_key, [present_dir, present_dir])]),
 
2507
            ('', [(subdir_key, [present_dir, present_dir])]),
 
2508
            ('sub', []),
 
2509
        ]
 
2510
        state = self.create_empty_dirstate()
 
2511
        self.addCleanup(state.unlock)
 
2512
        state._set_data(['parent-id', 'merged-id'], dirblocks[:])
 
2513
        state._validate()
 
2514
 
 
2515
        state._discard_merge_parents()
 
2516
        state._validate()
 
2517
        self.assertEqual(exp_dirblocks, state._dirblocks)
 
2518
 
 
2519
 
 
2520
class Test_InvEntryToDetails(TestCaseWithDirState):
 
2521
 
 
2522
    def assertDetails(self, expected, inv_entry):
 
2523
        details = dirstate.DirState._inv_entry_to_details(inv_entry)
 
2524
        self.assertEqual(expected, details)
 
2525
        # details should always allow join() and always be a plain str when
 
2526
        # finished
 
2527
        (minikind, fingerprint, size, executable, tree_data) = details
 
2528
        self.assertIsInstance(minikind, str)
 
2529
        self.assertIsInstance(fingerprint, str)
 
2530
        self.assertIsInstance(tree_data, str)
 
2531
 
 
2532
    def test_unicode_symlink(self):
 
2533
        # In general, the code base doesn't support a target that contains
 
2534
        # non-ascii characters. So we just assert tha 
 
2535
        inv_entry = inventory.InventoryLink('link-file-id', 'name',
 
2536
                                            'link-parent-id')
 
2537
        inv_entry.revision = 'link-revision-id'
 
2538
        inv_entry.symlink_target = u'link-target'
 
2539
        details = self.assertDetails(('l', 'link-target', 0, False,
 
2540
                                      'link-revision-id'), inv_entry)