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  • Committer: Tim Penhey
  • Date: 2008-04-25 11:23:00 UTC
  • mto: (3473.1.1 ianc-integration)
  • mto: This revision was merged to the branch mainline in revision 3474.
  • Revision ID: tim@penhey.net-20080425112300-sf5soa5dg2d37kvc
Added tests.

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1
# Copyright (C) 2006, 2007 Canonical Ltd
 
2
#
 
3
# This program is free software; you can redistribute it and/or modify
 
4
# it under the terms of the GNU General Public License as published by
 
5
# the Free Software Foundation; either version 2 of the License, or
 
6
# (at your option) any later version.
 
7
#
 
8
# This program is distributed in the hope that it will be useful,
 
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
11
# GNU General Public License for more details.
 
12
#
 
13
# You should have received a copy of the GNU General Public License
 
14
# along with this program; if not, write to the Free Software
 
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
16
 
 
17
"""Tests of the dirstate functionality being built for WorkingTreeFormat4."""
 
18
 
 
19
import bisect
 
20
import os
 
21
import time
 
22
 
 
23
from bzrlib import (
 
24
    dirstate,
 
25
    errors,
 
26
    osutils,
 
27
    )
 
28
from bzrlib.memorytree import MemoryTree
 
29
from bzrlib.tests import (
 
30
        SymlinkFeature,
 
31
        TestCase,
 
32
        TestCaseWithTransport,
 
33
        )
 
34
 
 
35
 
 
36
# TODO:
 
37
# TESTS to write:
 
38
# general checks for NOT_IN_MEMORY error conditions.
 
39
# set_path_id on a NOT_IN_MEMORY dirstate
 
40
# set_path_id  unicode support
 
41
# set_path_id  setting id of a path not root
 
42
# set_path_id  setting id when there are parents without the id in the parents
 
43
# set_path_id  setting id when there are parents with the id in the parents
 
44
# set_path_id  setting id when state is not in memory
 
45
# set_path_id  setting id when state is in memory unmodified
 
46
# set_path_id  setting id when state is in memory modified
 
47
 
 
48
 
 
49
class TestCaseWithDirState(TestCaseWithTransport):
 
50
    """Helper functions for creating DirState objects with various content."""
 
51
 
 
52
    def create_empty_dirstate(self):
 
53
        """Return a locked but empty dirstate"""
 
54
        state = dirstate.DirState.initialize('dirstate')
 
55
        return state
 
56
 
 
57
    def create_dirstate_with_root(self):
 
58
        """Return a write-locked state with a single root entry."""
 
59
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
 
60
        root_entry_direntry = ('', '', 'a-root-value'), [
 
61
            ('d', '', 0, False, packed_stat),
 
62
            ]
 
63
        dirblocks = []
 
64
        dirblocks.append(('', [root_entry_direntry]))
 
65
        dirblocks.append(('', []))
 
66
        state = self.create_empty_dirstate()
 
67
        try:
 
68
            state._set_data([], dirblocks)
 
69
            state._validate()
 
70
        except:
 
71
            state.unlock()
 
72
            raise
 
73
        return state
 
74
 
 
75
    def create_dirstate_with_root_and_subdir(self):
 
76
        """Return a locked DirState with a root and a subdir"""
 
77
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
 
78
        subdir_entry = ('', 'subdir', 'subdir-id'), [
 
79
            ('d', '', 0, False, packed_stat),
 
80
            ]
 
81
        state = self.create_dirstate_with_root()
 
82
        try:
 
83
            dirblocks = list(state._dirblocks)
 
84
            dirblocks[1][1].append(subdir_entry)
 
85
            state._set_data([], dirblocks)
 
86
        except:
 
87
            state.unlock()
 
88
            raise
 
89
        return state
 
90
 
 
91
    def create_complex_dirstate(self):
 
92
        """This dirstate contains multiple files and directories.
 
93
 
 
94
         /        a-root-value
 
95
         a/       a-dir
 
96
         b/       b-dir
 
97
         c        c-file
 
98
         d        d-file
 
99
         a/e/     e-dir
 
100
         a/f      f-file
 
101
         b/g      g-file
 
102
         b/h\xc3\xa5  h-\xc3\xa5-file  #This is u'\xe5' encoded into utf-8
 
103
 
 
104
        Notice that a/e is an empty directory.
 
105
 
 
106
        :return: The dirstate, still write-locked.
 
107
        """
 
108
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
 
109
        null_sha = 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'
 
110
        root_entry = ('', '', 'a-root-value'), [
 
111
            ('d', '', 0, False, packed_stat),
 
112
            ]
 
113
        a_entry = ('', 'a', 'a-dir'), [
 
114
            ('d', '', 0, False, packed_stat),
 
115
            ]
 
116
        b_entry = ('', 'b', 'b-dir'), [
 
117
            ('d', '', 0, False, packed_stat),
 
118
            ]
 
119
        c_entry = ('', 'c', 'c-file'), [
 
120
            ('f', null_sha, 10, False, packed_stat),
 
121
            ]
 
122
        d_entry = ('', 'd', 'd-file'), [
 
123
            ('f', null_sha, 20, False, packed_stat),
 
124
            ]
 
125
        e_entry = ('a', 'e', 'e-dir'), [
 
126
            ('d', '', 0, False, packed_stat),
 
127
            ]
 
128
        f_entry = ('a', 'f', 'f-file'), [
 
129
            ('f', null_sha, 30, False, packed_stat),
 
130
            ]
 
131
        g_entry = ('b', 'g', 'g-file'), [
 
132
            ('f', null_sha, 30, False, packed_stat),
 
133
            ]
 
134
        h_entry = ('b', 'h\xc3\xa5', 'h-\xc3\xa5-file'), [
 
135
            ('f', null_sha, 40, False, packed_stat),
 
136
            ]
 
137
        dirblocks = []
 
138
        dirblocks.append(('', [root_entry]))
 
139
        dirblocks.append(('', [a_entry, b_entry, c_entry, d_entry]))
 
140
        dirblocks.append(('a', [e_entry, f_entry]))
 
141
        dirblocks.append(('b', [g_entry, h_entry]))
 
142
        state = dirstate.DirState.initialize('dirstate')
 
143
        state._validate()
 
144
        try:
 
145
            state._set_data([], dirblocks)
 
146
        except:
 
147
            state.unlock()
 
148
            raise
 
149
        return state
 
150
 
 
151
    def check_state_with_reopen(self, expected_result, state):
 
152
        """Check that state has current state expected_result.
 
153
 
 
154
        This will check the current state, open the file anew and check it
 
155
        again.
 
156
        This function expects the current state to be locked for writing, and
 
157
        will unlock it before re-opening.
 
158
        This is required because we can't open a lock_read() while something
 
159
        else has a lock_write().
 
160
            write => mutually exclusive lock
 
161
            read => shared lock
 
162
        """
 
163
        # The state should already be write locked, since we just had to do
 
164
        # some operation to get here.
 
165
        assert state._lock_token is not None
 
166
        try:
 
167
            self.assertEqual(expected_result[0],  state.get_parent_ids())
 
168
            # there should be no ghosts in this tree.
 
169
            self.assertEqual([], state.get_ghosts())
 
170
            # there should be one fileid in this tree - the root of the tree.
 
171
            self.assertEqual(expected_result[1], list(state._iter_entries()))
 
172
            state.save()
 
173
        finally:
 
174
            state.unlock()
 
175
        del state
 
176
        state = dirstate.DirState.on_file('dirstate')
 
177
        state.lock_read()
 
178
        try:
 
179
            self.assertEqual(expected_result[1], list(state._iter_entries()))
 
180
        finally:
 
181
            state.unlock()
 
182
 
 
183
    def create_basic_dirstate(self):
 
184
        """Create a dirstate with a few files and directories.
 
185
 
 
186
            a
 
187
            b/
 
188
              c
 
189
              d/
 
190
                e
 
191
            b-c
 
192
            f
 
193
        """
 
194
        tree = self.make_branch_and_tree('tree')
 
195
        paths = ['a', 'b/', 'b/c', 'b/d/', 'b/d/e', 'b-c', 'f']
 
196
        file_ids = ['a-id', 'b-id', 'c-id', 'd-id', 'e-id', 'b-c-id', 'f-id']
 
197
        self.build_tree(['tree/' + p for p in paths])
 
198
        tree.set_root_id('TREE_ROOT')
 
199
        tree.add([p.rstrip('/') for p in paths], file_ids)
 
200
        tree.commit('initial', rev_id='rev-1')
 
201
        revision_id = 'rev-1'
 
202
        # a_packed_stat = dirstate.pack_stat(os.stat('tree/a'))
 
203
        t = self.get_transport('tree')
 
204
        a_text = t.get_bytes('a')
 
205
        a_sha = osutils.sha_string(a_text)
 
206
        a_len = len(a_text)
 
207
        # b_packed_stat = dirstate.pack_stat(os.stat('tree/b'))
 
208
        # c_packed_stat = dirstate.pack_stat(os.stat('tree/b/c'))
 
209
        c_text = t.get_bytes('b/c')
 
210
        c_sha = osutils.sha_string(c_text)
 
211
        c_len = len(c_text)
 
212
        # d_packed_stat = dirstate.pack_stat(os.stat('tree/b/d'))
 
213
        # e_packed_stat = dirstate.pack_stat(os.stat('tree/b/d/e'))
 
214
        e_text = t.get_bytes('b/d/e')
 
215
        e_sha = osutils.sha_string(e_text)
 
216
        e_len = len(e_text)
 
217
        b_c_text = t.get_bytes('b-c')
 
218
        b_c_sha = osutils.sha_string(b_c_text)
 
219
        b_c_len = len(b_c_text)
 
220
        # f_packed_stat = dirstate.pack_stat(os.stat('tree/f'))
 
221
        f_text = t.get_bytes('f')
 
222
        f_sha = osutils.sha_string(f_text)
 
223
        f_len = len(f_text)
 
224
        null_stat = dirstate.DirState.NULLSTAT
 
225
        expected = {
 
226
            '':(('', '', 'TREE_ROOT'), [
 
227
                  ('d', '', 0, False, null_stat),
 
228
                  ('d', '', 0, False, revision_id),
 
229
                ]),
 
230
            'a':(('', 'a', 'a-id'), [
 
231
                   ('f', '', 0, False, null_stat),
 
232
                   ('f', a_sha, a_len, False, revision_id),
 
233
                 ]),
 
234
            'b':(('', 'b', 'b-id'), [
 
235
                  ('d', '', 0, False, null_stat),
 
236
                  ('d', '', 0, False, revision_id),
 
237
                 ]),
 
238
            'b/c':(('b', 'c', 'c-id'), [
 
239
                    ('f', '', 0, False, null_stat),
 
240
                    ('f', c_sha, c_len, False, revision_id),
 
241
                   ]),
 
242
            'b/d':(('b', 'd', 'd-id'), [
 
243
                    ('d', '', 0, False, null_stat),
 
244
                    ('d', '', 0, False, revision_id),
 
245
                   ]),
 
246
            'b/d/e':(('b/d', 'e', 'e-id'), [
 
247
                      ('f', '', 0, False, null_stat),
 
248
                      ('f', e_sha, e_len, False, revision_id),
 
249
                     ]),
 
250
            'b-c':(('', 'b-c', 'b-c-id'), [
 
251
                      ('f', '', 0, False, null_stat),
 
252
                      ('f', b_c_sha, b_c_len, False, revision_id),
 
253
                     ]),
 
254
            'f':(('', 'f', 'f-id'), [
 
255
                  ('f', '', 0, False, null_stat),
 
256
                  ('f', f_sha, f_len, False, revision_id),
 
257
                 ]),
 
258
        }
 
259
        state = dirstate.DirState.from_tree(tree, 'dirstate')
 
260
        try:
 
261
            state.save()
 
262
        finally:
 
263
            state.unlock()
 
264
        # Use a different object, to make sure nothing is pre-cached in memory.
 
265
        state = dirstate.DirState.on_file('dirstate')
 
266
        state.lock_read()
 
267
        self.addCleanup(state.unlock)
 
268
        self.assertEqual(dirstate.DirState.NOT_IN_MEMORY,
 
269
                         state._dirblock_state)
 
270
        # This is code is only really tested if we actually have to make more
 
271
        # than one read, so set the page size to something smaller.
 
272
        # We want it to contain about 2.2 records, so that we have a couple
 
273
        # records that we can read per attempt
 
274
        state._bisect_page_size = 200
 
275
        return tree, state, expected
 
276
 
 
277
    def create_duplicated_dirstate(self):
 
278
        """Create a dirstate with a deleted and added entries.
 
279
 
 
280
        This grabs a basic_dirstate, and then removes and re adds every entry
 
281
        with a new file id.
 
282
        """
 
283
        tree, state, expected = self.create_basic_dirstate()
 
284
        # Now we will just remove and add every file so we get an extra entry
 
285
        # per entry. Unversion in reverse order so we handle subdirs
 
286
        tree.unversion(['f-id', 'b-c-id', 'e-id', 'd-id', 'c-id', 'b-id', 'a-id'])
 
287
        tree.add(['a', 'b', 'b/c', 'b/d', 'b/d/e', 'b-c', 'f'],
 
288
                 ['a-id2', 'b-id2', 'c-id2', 'd-id2', 'e-id2', 'b-c-id2', 'f-id2'])
 
289
 
 
290
        # Update the expected dictionary.
 
291
        for path in ['a', 'b', 'b/c', 'b/d', 'b/d/e', 'b-c', 'f']:
 
292
            orig = expected[path]
 
293
            path2 = path + '2'
 
294
            # This record was deleted in the current tree
 
295
            expected[path] = (orig[0], [dirstate.DirState.NULL_PARENT_DETAILS,
 
296
                                        orig[1][1]])
 
297
            new_key = (orig[0][0], orig[0][1], orig[0][2]+'2')
 
298
            # And didn't exist in the basis tree
 
299
            expected[path2] = (new_key, [orig[1][0],
 
300
                                         dirstate.DirState.NULL_PARENT_DETAILS])
 
301
 
 
302
        # We will replace the 'dirstate' file underneath 'state', but that is
 
303
        # okay as lock as we unlock 'state' first.
 
304
        state.unlock()
 
305
        try:
 
306
            new_state = dirstate.DirState.from_tree(tree, 'dirstate')
 
307
            try:
 
308
                new_state.save()
 
309
            finally:
 
310
                new_state.unlock()
 
311
        finally:
 
312
            # But we need to leave state in a read-lock because we already have
 
313
            # a cleanup scheduled
 
314
            state.lock_read()
 
315
        return tree, state, expected
 
316
 
 
317
    def create_renamed_dirstate(self):
 
318
        """Create a dirstate with a few internal renames.
 
319
 
 
320
        This takes the basic dirstate, and moves the paths around.
 
321
        """
 
322
        tree, state, expected = self.create_basic_dirstate()
 
323
        # Rename a file
 
324
        tree.rename_one('a', 'b/g')
 
325
        # And a directory
 
326
        tree.rename_one('b/d', 'h')
 
327
 
 
328
        old_a = expected['a']
 
329
        expected['a'] = (old_a[0], [('r', 'b/g', 0, False, ''), old_a[1][1]])
 
330
        expected['b/g'] = (('b', 'g', 'a-id'), [old_a[1][0],
 
331
                                                ('r', 'a', 0, False, '')])
 
332
        old_d = expected['b/d']
 
333
        expected['b/d'] = (old_d[0], [('r', 'h', 0, False, ''), old_d[1][1]])
 
334
        expected['h'] = (('', 'h', 'd-id'), [old_d[1][0],
 
335
                                             ('r', 'b/d', 0, False, '')])
 
336
 
 
337
        old_e = expected['b/d/e']
 
338
        expected['b/d/e'] = (old_e[0], [('r', 'h/e', 0, False, ''),
 
339
                             old_e[1][1]])
 
340
        expected['h/e'] = (('h', 'e', 'e-id'), [old_e[1][0],
 
341
                                                ('r', 'b/d/e', 0, False, '')])
 
342
 
 
343
        state.unlock()
 
344
        try:
 
345
            new_state = dirstate.DirState.from_tree(tree, 'dirstate')
 
346
            try:
 
347
                new_state.save()
 
348
            finally:
 
349
                new_state.unlock()
 
350
        finally:
 
351
            state.lock_read()
 
352
        return tree, state, expected
 
353
 
 
354
 
 
355
class TestTreeToDirState(TestCaseWithDirState):
 
356
 
 
357
    def test_empty_to_dirstate(self):
 
358
        """We should be able to create a dirstate for an empty tree."""
 
359
        # There are no files on disk and no parents
 
360
        tree = self.make_branch_and_tree('tree')
 
361
        expected_result = ([], [
 
362
            (('', '', tree.get_root_id()), # common details
 
363
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
 
364
             ])])
 
365
        state = dirstate.DirState.from_tree(tree, 'dirstate')
 
366
        state._validate()
 
367
        self.check_state_with_reopen(expected_result, state)
 
368
 
 
369
    def test_1_parents_empty_to_dirstate(self):
 
370
        # create a parent by doing a commit
 
371
        tree = self.make_branch_and_tree('tree')
 
372
        rev_id = tree.commit('first post').encode('utf8')
 
373
        root_stat_pack = dirstate.pack_stat(os.stat(tree.basedir))
 
374
        expected_result = ([rev_id], [
 
375
            (('', '', tree.get_root_id()), # common details
 
376
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
 
377
              ('d', '', 0, False, rev_id), # first parent details
 
378
             ])])
 
379
        state = dirstate.DirState.from_tree(tree, 'dirstate')
 
380
        self.check_state_with_reopen(expected_result, state)
 
381
        state.lock_read()
 
382
        try:
 
383
            state._validate()
 
384
        finally:
 
385
            state.unlock()
 
386
 
 
387
    def test_2_parents_empty_to_dirstate(self):
 
388
        # create a parent by doing a commit
 
389
        tree = self.make_branch_and_tree('tree')
 
390
        rev_id = tree.commit('first post')
 
391
        tree2 = tree.bzrdir.sprout('tree2').open_workingtree()
 
392
        rev_id2 = tree2.commit('second post', allow_pointless=True)
 
393
        tree.merge_from_branch(tree2.branch)
 
394
        expected_result = ([rev_id, rev_id2], [
 
395
            (('', '', tree.get_root_id()), # common details
 
396
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
 
397
              ('d', '', 0, False, rev_id), # first parent details
 
398
              ('d', '', 0, False, rev_id2), # second parent details
 
399
             ])])
 
400
        state = dirstate.DirState.from_tree(tree, 'dirstate')
 
401
        self.check_state_with_reopen(expected_result, state)
 
402
        state.lock_read()
 
403
        try:
 
404
            state._validate()
 
405
        finally:
 
406
            state.unlock()
 
407
 
 
408
    def test_empty_unknowns_are_ignored_to_dirstate(self):
 
409
        """We should be able to create a dirstate for an empty tree."""
 
410
        # There are no files on disk and no parents
 
411
        tree = self.make_branch_and_tree('tree')
 
412
        self.build_tree(['tree/unknown'])
 
413
        expected_result = ([], [
 
414
            (('', '', tree.get_root_id()), # common details
 
415
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
 
416
             ])])
 
417
        state = dirstate.DirState.from_tree(tree, 'dirstate')
 
418
        self.check_state_with_reopen(expected_result, state)
 
419
 
 
420
    def get_tree_with_a_file(self):
 
421
        tree = self.make_branch_and_tree('tree')
 
422
        self.build_tree(['tree/a file'])
 
423
        tree.add('a file', 'a-file-id')
 
424
        return tree
 
425
 
 
426
    def test_non_empty_no_parents_to_dirstate(self):
 
427
        """We should be able to create a dirstate for an empty tree."""
 
428
        # There are files on disk and no parents
 
429
        tree = self.get_tree_with_a_file()
 
430
        expected_result = ([], [
 
431
            (('', '', tree.get_root_id()), # common details
 
432
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
 
433
             ]),
 
434
            (('', 'a file', 'a-file-id'), # common
 
435
             [('f', '', 0, False, dirstate.DirState.NULLSTAT), # current
 
436
             ]),
 
437
            ])
 
438
        state = dirstate.DirState.from_tree(tree, 'dirstate')
 
439
        self.check_state_with_reopen(expected_result, state)
 
440
 
 
441
    def test_1_parents_not_empty_to_dirstate(self):
 
442
        # create a parent by doing a commit
 
443
        tree = self.get_tree_with_a_file()
 
444
        rev_id = tree.commit('first post').encode('utf8')
 
445
        # change the current content to be different this will alter stat, sha
 
446
        # and length:
 
447
        self.build_tree_contents([('tree/a file', 'new content\n')])
 
448
        expected_result = ([rev_id], [
 
449
            (('', '', tree.get_root_id()), # common details
 
450
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
 
451
              ('d', '', 0, False, rev_id), # first parent details
 
452
             ]),
 
453
            (('', 'a file', 'a-file-id'), # common
 
454
             [('f', '', 0, False, dirstate.DirState.NULLSTAT), # current
 
455
              ('f', 'c3ed76e4bfd45ff1763ca206055bca8e9fc28aa8', 24, False,
 
456
               rev_id), # first parent
 
457
             ]),
 
458
            ])
 
459
        state = dirstate.DirState.from_tree(tree, 'dirstate')
 
460
        self.check_state_with_reopen(expected_result, state)
 
461
 
 
462
    def test_2_parents_not_empty_to_dirstate(self):
 
463
        # create a parent by doing a commit
 
464
        tree = self.get_tree_with_a_file()
 
465
        rev_id = tree.commit('first post').encode('utf8')
 
466
        tree2 = tree.bzrdir.sprout('tree2').open_workingtree()
 
467
        # change the current content to be different this will alter stat, sha
 
468
        # and length:
 
469
        self.build_tree_contents([('tree2/a file', 'merge content\n')])
 
470
        rev_id2 = tree2.commit('second post').encode('utf8')
 
471
        tree.merge_from_branch(tree2.branch)
 
472
        # change the current content to be different this will alter stat, sha
 
473
        # and length again, giving us three distinct values:
 
474
        self.build_tree_contents([('tree/a file', 'new content\n')])
 
475
        expected_result = ([rev_id, rev_id2], [
 
476
            (('', '', tree.get_root_id()), # common details
 
477
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
 
478
              ('d', '', 0, False, rev_id), # first parent details
 
479
              ('d', '', 0, False, rev_id2), # second parent details
 
480
             ]),
 
481
            (('', 'a file', 'a-file-id'), # common
 
482
             [('f', '', 0, False, dirstate.DirState.NULLSTAT), # current
 
483
              ('f', 'c3ed76e4bfd45ff1763ca206055bca8e9fc28aa8', 24, False,
 
484
               rev_id), # first parent
 
485
              ('f', '314d796174c9412647c3ce07dfb5d36a94e72958', 14, False,
 
486
               rev_id2), # second parent
 
487
             ]),
 
488
            ])
 
489
        state = dirstate.DirState.from_tree(tree, 'dirstate')
 
490
        self.check_state_with_reopen(expected_result, state)
 
491
 
 
492
    def test_colliding_fileids(self):
 
493
        # test insertion of parents creating several entries at the same path.
 
494
        # we used to have a bug where they could cause the dirstate to break
 
495
        # its ordering invariants.
 
496
        # create some trees to test from
 
497
        parents = []
 
498
        for i in range(7):
 
499
            tree = self.make_branch_and_tree('tree%d' % i)
 
500
            self.build_tree(['tree%d/name' % i,])
 
501
            tree.add(['name'], ['file-id%d' % i])
 
502
            revision_id = 'revid-%d' % i
 
503
            tree.commit('message', rev_id=revision_id)
 
504
            parents.append((revision_id,
 
505
                tree.branch.repository.revision_tree(revision_id)))
 
506
        # now fold these trees into a dirstate
 
507
        state = dirstate.DirState.initialize('dirstate')
 
508
        try:
 
509
            state.set_parent_trees(parents, [])
 
510
            state._validate()
 
511
        finally:
 
512
            state.unlock()
 
513
 
 
514
 
 
515
class TestDirStateOnFile(TestCaseWithDirState):
 
516
 
 
517
    def test_construct_with_path(self):
 
518
        tree = self.make_branch_and_tree('tree')
 
519
        state = dirstate.DirState.from_tree(tree, 'dirstate.from_tree')
 
520
        # we want to be able to get the lines of the dirstate that we will
 
521
        # write to disk.
 
522
        lines = state.get_lines()
 
523
        state.unlock()
 
524
        self.build_tree_contents([('dirstate', ''.join(lines))])
 
525
        # get a state object
 
526
        # no parents, default tree content
 
527
        expected_result = ([], [
 
528
            (('', '', tree.get_root_id()), # common details
 
529
             # current tree details, but new from_tree skips statting, it
 
530
             # uses set_state_from_inventory, and thus depends on the
 
531
             # inventory state.
 
532
             [('d', '', 0, False, dirstate.DirState.NULLSTAT),
 
533
             ])
 
534
            ])
 
535
        state = dirstate.DirState.on_file('dirstate')
 
536
        state.lock_write() # check_state_with_reopen will save() and unlock it
 
537
        self.check_state_with_reopen(expected_result, state)
 
538
 
 
539
    def test_can_save_clean_on_file(self):
 
540
        tree = self.make_branch_and_tree('tree')
 
541
        state = dirstate.DirState.from_tree(tree, 'dirstate')
 
542
        try:
 
543
            # doing a save should work here as there have been no changes.
 
544
            state.save()
 
545
            # TODO: stat it and check it hasn't changed; may require waiting
 
546
            # for the state accuracy window.
 
547
        finally:
 
548
            state.unlock()
 
549
 
 
550
    def test_can_save_in_read_lock(self):
 
551
        self.build_tree(['a-file'])
 
552
        state = dirstate.DirState.initialize('dirstate')
 
553
        try:
 
554
            # No stat and no sha1 sum.
 
555
            state.add('a-file', 'a-file-id', 'file', None, '')
 
556
            state.save()
 
557
        finally:
 
558
            state.unlock()
 
559
 
 
560
        # Now open in readonly mode
 
561
        state = dirstate.DirState.on_file('dirstate')
 
562
        state.lock_read()
 
563
        try:
 
564
            entry = state._get_entry(0, path_utf8='a-file')
 
565
            # The current sha1 sum should be empty
 
566
            self.assertEqual('', entry[1][0][1])
 
567
            # We should have a real entry.
 
568
            self.assertNotEqual((None, None), entry)
 
569
            # Make sure everything is old enough
 
570
            state._sha_cutoff_time()
 
571
            state._cutoff_time += 10
 
572
            sha1sum = state.update_entry(entry, 'a-file', os.lstat('a-file'))
 
573
            # We should have gotten a real sha1
 
574
            self.assertEqual('ecc5374e9ed82ad3ea3b4d452ea995a5fd3e70e3',
 
575
                             sha1sum)
 
576
 
 
577
            # The dirblock has been updated
 
578
            self.assertEqual(sha1sum, entry[1][0][1])
 
579
            self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
 
580
                             state._dirblock_state)
 
581
 
 
582
            del entry
 
583
            # Now, since we are the only one holding a lock, we should be able
 
584
            # to save and have it written to disk
 
585
            state.save()
 
586
        finally:
 
587
            state.unlock()
 
588
 
 
589
        # Re-open the file, and ensure that the state has been updated.
 
590
        state = dirstate.DirState.on_file('dirstate')
 
591
        state.lock_read()
 
592
        try:
 
593
            entry = state._get_entry(0, path_utf8='a-file')
 
594
            self.assertEqual(sha1sum, entry[1][0][1])
 
595
        finally:
 
596
            state.unlock()
 
597
 
 
598
    def test_save_fails_quietly_if_locked(self):
 
599
        """If dirstate is locked, save will fail without complaining."""
 
600
        self.build_tree(['a-file'])
 
601
        state = dirstate.DirState.initialize('dirstate')
 
602
        try:
 
603
            # No stat and no sha1 sum.
 
604
            state.add('a-file', 'a-file-id', 'file', None, '')
 
605
            state.save()
 
606
        finally:
 
607
            state.unlock()
 
608
 
 
609
        state = dirstate.DirState.on_file('dirstate')
 
610
        state.lock_read()
 
611
        try:
 
612
            entry = state._get_entry(0, path_utf8='a-file')
 
613
            sha1sum = state.update_entry(entry, 'a-file', os.lstat('a-file'))
 
614
            # We should have gotten a real sha1
 
615
            self.assertEqual('ecc5374e9ed82ad3ea3b4d452ea995a5fd3e70e3',
 
616
                             sha1sum)
 
617
            self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
 
618
                             state._dirblock_state)
 
619
 
 
620
            # Now, before we try to save, grab another dirstate, and take out a
 
621
            # read lock.
 
622
            # TODO: jam 20070315 Ideally this would be locked by another
 
623
            #       process. To make sure the file is really OS locked.
 
624
            state2 = dirstate.DirState.on_file('dirstate')
 
625
            state2.lock_read()
 
626
            try:
 
627
                # This won't actually write anything, because it couldn't grab
 
628
                # a write lock. But it shouldn't raise an error, either.
 
629
                # TODO: jam 20070315 We should probably distinguish between
 
630
                #       being dirty because of 'update_entry'. And dirty
 
631
                #       because of real modification. So that save() *does*
 
632
                #       raise a real error if it fails when we have real
 
633
                #       modifications.
 
634
                state.save()
 
635
            finally:
 
636
                state2.unlock()
 
637
        finally:
 
638
            state.unlock()
 
639
        
 
640
        # The file on disk should not be modified.
 
641
        state = dirstate.DirState.on_file('dirstate')
 
642
        state.lock_read()
 
643
        try:
 
644
            entry = state._get_entry(0, path_utf8='a-file')
 
645
            self.assertEqual('', entry[1][0][1])
 
646
        finally:
 
647
            state.unlock()
 
648
 
 
649
    def test_save_refuses_if_changes_aborted(self):
 
650
        self.build_tree(['a-file', 'a-dir/'])
 
651
        state = dirstate.DirState.initialize('dirstate')
 
652
        try:
 
653
            # No stat and no sha1 sum.
 
654
            state.add('a-file', 'a-file-id', 'file', None, '')
 
655
            state.save()
 
656
        finally:
 
657
            state.unlock()
 
658
 
 
659
        # The dirstate should include TREE_ROOT and 'a-file' and nothing else
 
660
        expected_blocks = [
 
661
            ('', [(('', '', 'TREE_ROOT'),
 
662
                   [('d', '', 0, False, dirstate.DirState.NULLSTAT)])]),
 
663
            ('', [(('', 'a-file', 'a-file-id'),
 
664
                   [('f', '', 0, False, dirstate.DirState.NULLSTAT)])]),
 
665
        ]
 
666
 
 
667
        state = dirstate.DirState.on_file('dirstate')
 
668
        state.lock_write()
 
669
        try:
 
670
            state._read_dirblocks_if_needed()
 
671
            self.assertEqual(expected_blocks, state._dirblocks)
 
672
 
 
673
            # Now modify the state, but mark it as inconsistent
 
674
            state.add('a-dir', 'a-dir-id', 'directory', None, '')
 
675
            state._changes_aborted = True
 
676
            state.save()
 
677
        finally:
 
678
            state.unlock()
 
679
 
 
680
        state = dirstate.DirState.on_file('dirstate')
 
681
        state.lock_read()
 
682
        try:
 
683
            state._read_dirblocks_if_needed()
 
684
            self.assertEqual(expected_blocks, state._dirblocks)
 
685
        finally:
 
686
            state.unlock()
 
687
 
 
688
 
 
689
class TestDirStateInitialize(TestCaseWithDirState):
 
690
 
 
691
    def test_initialize(self):
 
692
        expected_result = ([], [
 
693
            (('', '', 'TREE_ROOT'), # common details
 
694
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
 
695
             ])
 
696
            ])
 
697
        state = dirstate.DirState.initialize('dirstate')
 
698
        try:
 
699
            self.assertIsInstance(state, dirstate.DirState)
 
700
            lines = state.get_lines()
 
701
        finally:
 
702
            state.unlock()
 
703
        # On win32 you can't read from a locked file, even within the same
 
704
        # process. So we have to unlock and release before we check the file
 
705
        # contents.
 
706
        self.assertFileEqual(''.join(lines), 'dirstate')
 
707
        state.lock_read() # check_state_with_reopen will unlock
 
708
        self.check_state_with_reopen(expected_result, state)
 
709
 
 
710
 
 
711
class TestDirStateManipulations(TestCaseWithDirState):
 
712
 
 
713
    def test_set_state_from_inventory_no_content_no_parents(self):
 
714
        # setting the current inventory is a slow but important api to support.
 
715
        tree1 = self.make_branch_and_memory_tree('tree1')
 
716
        tree1.lock_write()
 
717
        try:
 
718
            tree1.add('')
 
719
            revid1 = tree1.commit('foo').encode('utf8')
 
720
            root_id = tree1.get_root_id()
 
721
            inv = tree1.inventory
 
722
        finally:
 
723
            tree1.unlock()
 
724
        expected_result = [], [
 
725
            (('', '', root_id), [
 
726
             ('d', '', 0, False, dirstate.DirState.NULLSTAT)])]
 
727
        state = dirstate.DirState.initialize('dirstate')
 
728
        try:
 
729
            state.set_state_from_inventory(inv)
 
730
            self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
 
731
                             state._header_state)
 
732
            self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
 
733
                             state._dirblock_state)
 
734
        except:
 
735
            state.unlock()
 
736
            raise
 
737
        else:
 
738
            # This will unlock it
 
739
            self.check_state_with_reopen(expected_result, state)
 
740
 
 
741
    def test_set_state_from_inventory_preserves_hashcache(self):
 
742
        # https://bugs.launchpad.net/bzr/+bug/146176
 
743
        # set_state_from_inventory should preserve the stat and hash value for
 
744
        # workingtree files that are not changed by the inventory.
 
745
       
 
746
        tree = self.make_branch_and_tree('.')
 
747
        # depends on the default format using dirstate...
 
748
        tree.lock_write()
 
749
        try:
 
750
            # make a dirstate with some valid hashcache data 
 
751
            # file on disk, but that's not needed for this test
 
752
            foo_contents = 'contents of foo'
 
753
            self.build_tree_contents([('foo', foo_contents)])
 
754
            tree.add('foo', 'foo-id')
 
755
 
 
756
            foo_stat = os.stat('foo')
 
757
            foo_packed = dirstate.pack_stat(foo_stat)
 
758
            foo_sha = osutils.sha_string(foo_contents)
 
759
            foo_size = len(foo_contents)
 
760
 
 
761
            # should not be cached yet, because the file's too fresh
 
762
            self.assertEqual(
 
763
                (('', 'foo', 'foo-id',),
 
764
                 [('f', '', 0, False, dirstate.DirState.NULLSTAT)]),
 
765
                tree._dirstate._get_entry(0, 'foo-id'))
 
766
            # poke in some hashcache information - it wouldn't normally be
 
767
            # stored because it's too fresh
 
768
            tree._dirstate.update_minimal(
 
769
                ('', 'foo', 'foo-id'),
 
770
                'f', False, foo_sha, foo_packed, foo_size, 'foo')
 
771
            # now should be cached
 
772
            self.assertEqual(
 
773
                (('', 'foo', 'foo-id',),
 
774
                 [('f', foo_sha, foo_size, False, foo_packed)]),
 
775
                tree._dirstate._get_entry(0, 'foo-id'))
 
776
           
 
777
            # extract the inventory, and add something to it
 
778
            inv = tree._get_inventory()
 
779
            # should see the file we poked in...
 
780
            self.assertTrue(inv.has_id('foo-id'))
 
781
            self.assertTrue(inv.has_filename('foo'))
 
782
            inv.add_path('bar', 'file', 'bar-id')
 
783
            tree._dirstate._validate()
 
784
            # this used to cause it to lose its hashcache
 
785
            tree._dirstate.set_state_from_inventory(inv)
 
786
            tree._dirstate._validate()
 
787
        finally:
 
788
            tree.unlock()
 
789
 
 
790
        tree.lock_read()
 
791
        try:
 
792
            # now check that the state still has the original hashcache value
 
793
            state = tree._dirstate
 
794
            state._validate()
 
795
            foo_tuple = state._get_entry(0, path_utf8='foo')
 
796
            self.assertEqual(
 
797
                (('', 'foo', 'foo-id',),
 
798
                 [('f', foo_sha, len(foo_contents), False,
 
799
                   dirstate.pack_stat(foo_stat))]),
 
800
                foo_tuple)
 
801
        finally:
 
802
            tree.unlock()
 
803
 
 
804
 
 
805
    def test_set_state_from_inventory_mixed_paths(self):
 
806
        tree1 = self.make_branch_and_tree('tree1')
 
807
        self.build_tree(['tree1/a/', 'tree1/a/b/', 'tree1/a-b/',
 
808
                         'tree1/a/b/foo', 'tree1/a-b/bar'])
 
809
        tree1.lock_write()
 
810
        try:
 
811
            tree1.add(['a', 'a/b', 'a-b', 'a/b/foo', 'a-b/bar'],
 
812
                      ['a-id', 'b-id', 'a-b-id', 'foo-id', 'bar-id'])
 
813
            tree1.commit('rev1', rev_id='rev1')
 
814
            root_id = tree1.get_root_id()
 
815
            inv = tree1.inventory
 
816
        finally:
 
817
            tree1.unlock()
 
818
        expected_result1 = [('', '', root_id, 'd'),
 
819
                            ('', 'a', 'a-id', 'd'),
 
820
                            ('', 'a-b', 'a-b-id', 'd'),
 
821
                            ('a', 'b', 'b-id', 'd'),
 
822
                            ('a/b', 'foo', 'foo-id', 'f'),
 
823
                            ('a-b', 'bar', 'bar-id', 'f'),
 
824
                           ]
 
825
        expected_result2 = [('', '', root_id, 'd'),
 
826
                            ('', 'a', 'a-id', 'd'),
 
827
                            ('', 'a-b', 'a-b-id', 'd'),
 
828
                            ('a-b', 'bar', 'bar-id', 'f'),
 
829
                           ]
 
830
        state = dirstate.DirState.initialize('dirstate')
 
831
        try:
 
832
            state.set_state_from_inventory(inv)
 
833
            values = []
 
834
            for entry in state._iter_entries():
 
835
                values.append(entry[0] + entry[1][0][:1])
 
836
            self.assertEqual(expected_result1, values)
 
837
            del inv['b-id']
 
838
            state.set_state_from_inventory(inv)
 
839
            values = []
 
840
            for entry in state._iter_entries():
 
841
                values.append(entry[0] + entry[1][0][:1])
 
842
            self.assertEqual(expected_result2, values)
 
843
        finally:
 
844
            state.unlock()
 
845
 
 
846
    def test_set_path_id_no_parents(self):
 
847
        """The id of a path can be changed trivally with no parents."""
 
848
        state = dirstate.DirState.initialize('dirstate')
 
849
        try:
 
850
            # check precondition to be sure the state does change appropriately.
 
851
            self.assertEqual(
 
852
                [(('', '', 'TREE_ROOT'), [('d', '', 0, False,
 
853
                   'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx')])],
 
854
                list(state._iter_entries()))
 
855
            state.set_path_id('', 'foobarbaz')
 
856
            expected_rows = [
 
857
                (('', '', 'foobarbaz'), [('d', '', 0, False,
 
858
                   'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx')])]
 
859
            self.assertEqual(expected_rows, list(state._iter_entries()))
 
860
            # should work across save too
 
861
            state.save()
 
862
        finally:
 
863
            state.unlock()
 
864
        state = dirstate.DirState.on_file('dirstate')
 
865
        state.lock_read()
 
866
        try:
 
867
            state._validate()
 
868
            self.assertEqual(expected_rows, list(state._iter_entries()))
 
869
        finally:
 
870
            state.unlock()
 
871
 
 
872
    def test_set_path_id_with_parents(self):
 
873
        """Set the root file id in a dirstate with parents"""
 
874
        mt = self.make_branch_and_tree('mt')
 
875
        # in case the default tree format uses a different root id
 
876
        mt.set_root_id('TREE_ROOT')
 
877
        mt.commit('foo', rev_id='parent-revid')
 
878
        rt = mt.branch.repository.revision_tree('parent-revid')
 
879
        state = dirstate.DirState.initialize('dirstate')
 
880
        state._validate()
 
881
        try:
 
882
            state.set_parent_trees([('parent-revid', rt)], ghosts=[])
 
883
            state.set_path_id('', 'foobarbaz')
 
884
            state._validate()
 
885
            # now see that it is what we expected
 
886
            expected_rows = [
 
887
                (('', '', 'TREE_ROOT'),
 
888
                    [('a', '', 0, False, ''),
 
889
                     ('d', '', 0, False, 'parent-revid'),
 
890
                     ]),
 
891
                (('', '', 'foobarbaz'),
 
892
                    [('d', '', 0, False, ''),
 
893
                     ('a', '', 0, False, ''),
 
894
                     ]),
 
895
                ]
 
896
            state._validate()
 
897
            self.assertEqual(expected_rows, list(state._iter_entries()))
 
898
            # should work across save too
 
899
            state.save()
 
900
        finally:
 
901
            state.unlock()
 
902
        # now flush & check we get the same
 
903
        state = dirstate.DirState.on_file('dirstate')
 
904
        state.lock_read()
 
905
        try:
 
906
            state._validate()
 
907
            self.assertEqual(expected_rows, list(state._iter_entries()))
 
908
        finally:
 
909
            state.unlock()
 
910
        # now change within an existing file-backed state
 
911
        state.lock_write()
 
912
        try:
 
913
            state._validate()
 
914
            state.set_path_id('', 'tree-root-2')
 
915
            state._validate()
 
916
        finally:
 
917
            state.unlock()
 
918
 
 
919
 
 
920
    def test_set_parent_trees_no_content(self):
 
921
        # set_parent_trees is a slow but important api to support.
 
922
        tree1 = self.make_branch_and_memory_tree('tree1')
 
923
        tree1.lock_write()
 
924
        try:
 
925
            tree1.add('')
 
926
            revid1 = tree1.commit('foo')
 
927
        finally:
 
928
            tree1.unlock()
 
929
        branch2 = tree1.branch.bzrdir.clone('tree2').open_branch()
 
930
        tree2 = MemoryTree.create_on_branch(branch2)
 
931
        tree2.lock_write()
 
932
        try:
 
933
            revid2 = tree2.commit('foo')
 
934
            root_id = tree2.get_root_id()
 
935
        finally:
 
936
            tree2.unlock()
 
937
        state = dirstate.DirState.initialize('dirstate')
 
938
        try:
 
939
            state.set_path_id('', root_id)
 
940
            state.set_parent_trees(
 
941
                ((revid1, tree1.branch.repository.revision_tree(revid1)),
 
942
                 (revid2, tree2.branch.repository.revision_tree(revid2)),
 
943
                 ('ghost-rev', None)),
 
944
                ['ghost-rev'])
 
945
            # check we can reopen and use the dirstate after setting parent
 
946
            # trees.
 
947
            state._validate()
 
948
            state.save()
 
949
            state._validate()
 
950
        finally:
 
951
            state.unlock()
 
952
        state = dirstate.DirState.on_file('dirstate')
 
953
        state.lock_write()
 
954
        try:
 
955
            self.assertEqual([revid1, revid2, 'ghost-rev'],
 
956
                             state.get_parent_ids())
 
957
            # iterating the entire state ensures that the state is parsable.
 
958
            list(state._iter_entries())
 
959
            # be sure that it sets not appends - change it
 
960
            state.set_parent_trees(
 
961
                ((revid1, tree1.branch.repository.revision_tree(revid1)),
 
962
                 ('ghost-rev', None)),
 
963
                ['ghost-rev'])
 
964
            # and now put it back.
 
965
            state.set_parent_trees(
 
966
                ((revid1, tree1.branch.repository.revision_tree(revid1)),
 
967
                 (revid2, tree2.branch.repository.revision_tree(revid2)),
 
968
                 ('ghost-rev', tree2.branch.repository.revision_tree(None))),
 
969
                ['ghost-rev'])
 
970
            self.assertEqual([revid1, revid2, 'ghost-rev'],
 
971
                             state.get_parent_ids())
 
972
            # the ghost should be recorded as such by set_parent_trees.
 
973
            self.assertEqual(['ghost-rev'], state.get_ghosts())
 
974
            self.assertEqual(
 
975
                [(('', '', root_id), [
 
976
                  ('d', '', 0, False, dirstate.DirState.NULLSTAT),
 
977
                  ('d', '', 0, False, revid1),
 
978
                  ('d', '', 0, False, revid2)
 
979
                  ])],
 
980
                list(state._iter_entries()))
 
981
        finally:
 
982
            state.unlock()
 
983
 
 
984
    def test_set_parent_trees_file_missing_from_tree(self):
 
985
        # Adding a parent tree may reference files not in the current state.
 
986
        # they should get listed just once by id, even if they are in two
 
987
        # separate trees.
 
988
        # set_parent_trees is a slow but important api to support.
 
989
        tree1 = self.make_branch_and_memory_tree('tree1')
 
990
        tree1.lock_write()
 
991
        try:
 
992
            tree1.add('')
 
993
            tree1.add(['a file'], ['file-id'], ['file'])
 
994
            tree1.put_file_bytes_non_atomic('file-id', 'file-content')
 
995
            revid1 = tree1.commit('foo')
 
996
        finally:
 
997
            tree1.unlock()
 
998
        branch2 = tree1.branch.bzrdir.clone('tree2').open_branch()
 
999
        tree2 = MemoryTree.create_on_branch(branch2)
 
1000
        tree2.lock_write()
 
1001
        try:
 
1002
            tree2.put_file_bytes_non_atomic('file-id', 'new file-content')
 
1003
            revid2 = tree2.commit('foo')
 
1004
            root_id = tree2.get_root_id()
 
1005
        finally:
 
1006
            tree2.unlock()
 
1007
        # check the layout in memory
 
1008
        expected_result = [revid1.encode('utf8'), revid2.encode('utf8')], [
 
1009
            (('', '', root_id), [
 
1010
             ('d', '', 0, False, dirstate.DirState.NULLSTAT),
 
1011
             ('d', '', 0, False, revid1.encode('utf8')),
 
1012
             ('d', '', 0, False, revid2.encode('utf8'))
 
1013
             ]),
 
1014
            (('', 'a file', 'file-id'), [
 
1015
             ('a', '', 0, False, ''),
 
1016
             ('f', '2439573625385400f2a669657a7db6ae7515d371', 12, False,
 
1017
              revid1.encode('utf8')),
 
1018
             ('f', '542e57dc1cda4af37cb8e55ec07ce60364bb3c7d', 16, False,
 
1019
              revid2.encode('utf8'))
 
1020
             ])
 
1021
            ]
 
1022
        state = dirstate.DirState.initialize('dirstate')
 
1023
        try:
 
1024
            state.set_path_id('', root_id)
 
1025
            state.set_parent_trees(
 
1026
                ((revid1, tree1.branch.repository.revision_tree(revid1)),
 
1027
                 (revid2, tree2.branch.repository.revision_tree(revid2)),
 
1028
                 ), [])
 
1029
        except:
 
1030
            state.unlock()
 
1031
            raise
 
1032
        else:
 
1033
            # check_state_with_reopen will unlock
 
1034
            self.check_state_with_reopen(expected_result, state)
 
1035
 
 
1036
    ### add a path via _set_data - so we dont need delta work, just
 
1037
    # raw data in, and ensure that it comes out via get_lines happily.
 
1038
 
 
1039
    def test_add_path_to_root_no_parents_all_data(self):
 
1040
        # The most trivial addition of a path is when there are no parents and
 
1041
        # its in the root and all data about the file is supplied
 
1042
        self.build_tree(['a file'])
 
1043
        stat = os.lstat('a file')
 
1044
        # the 1*20 is the sha1 pretend value.
 
1045
        state = dirstate.DirState.initialize('dirstate')
 
1046
        expected_entries = [
 
1047
            (('', '', 'TREE_ROOT'), [
 
1048
             ('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
 
1049
             ]),
 
1050
            (('', 'a file', 'a-file-id'), [
 
1051
             ('f', '1'*20, 19, False, dirstate.pack_stat(stat)), # current tree
 
1052
             ]),
 
1053
            ]
 
1054
        try:
 
1055
            state.add('a file', 'a-file-id', 'file', stat, '1'*20)
 
1056
            # having added it, it should be in the output of iter_entries.
 
1057
            self.assertEqual(expected_entries, list(state._iter_entries()))
 
1058
            # saving and reloading should not affect this.
 
1059
            state.save()
 
1060
        finally:
 
1061
            state.unlock()
 
1062
        state = dirstate.DirState.on_file('dirstate')
 
1063
        state.lock_read()
 
1064
        try:
 
1065
            self.assertEqual(expected_entries, list(state._iter_entries()))
 
1066
        finally:
 
1067
            state.unlock()
 
1068
 
 
1069
    def test_add_path_to_unversioned_directory(self):
 
1070
        """Adding a path to an unversioned directory should error.
 
1071
 
 
1072
        This is a duplicate of TestWorkingTree.test_add_in_unversioned,
 
1073
        once dirstate is stable and if it is merged with WorkingTree3, consider
 
1074
        removing this copy of the test.
 
1075
        """
 
1076
        self.build_tree(['unversioned/', 'unversioned/a file'])
 
1077
        state = dirstate.DirState.initialize('dirstate')
 
1078
        try:
 
1079
            self.assertRaises(errors.NotVersionedError, state.add,
 
1080
                'unversioned/a file', 'a-file-id', 'file', None, None)
 
1081
        finally:
 
1082
            state.unlock()
 
1083
 
 
1084
    def test_add_directory_to_root_no_parents_all_data(self):
 
1085
        # The most trivial addition of a dir is when there are no parents and
 
1086
        # its in the root and all data about the file is supplied
 
1087
        self.build_tree(['a dir/'])
 
1088
        stat = os.lstat('a dir')
 
1089
        expected_entries = [
 
1090
            (('', '', 'TREE_ROOT'), [
 
1091
             ('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
 
1092
             ]),
 
1093
            (('', 'a dir', 'a dir id'), [
 
1094
             ('d', '', 0, False, dirstate.pack_stat(stat)), # current tree
 
1095
             ]),
 
1096
            ]
 
1097
        state = dirstate.DirState.initialize('dirstate')
 
1098
        try:
 
1099
            state.add('a dir', 'a dir id', 'directory', stat, None)
 
1100
            # having added it, it should be in the output of iter_entries.
 
1101
            self.assertEqual(expected_entries, list(state._iter_entries()))
 
1102
            # saving and reloading should not affect this.
 
1103
            state.save()
 
1104
        finally:
 
1105
            state.unlock()
 
1106
        state = dirstate.DirState.on_file('dirstate')
 
1107
        state.lock_read()
 
1108
        state._validate()
 
1109
        try:
 
1110
            self.assertEqual(expected_entries, list(state._iter_entries()))
 
1111
        finally:
 
1112
            state.unlock()
 
1113
 
 
1114
    def test_add_symlink_to_root_no_parents_all_data(self):
 
1115
        # The most trivial addition of a symlink when there are no parents and
 
1116
        # its in the root and all data about the file is supplied
 
1117
        # bzr doesn't support fake symlinks on windows, yet.
 
1118
        self.requireFeature(SymlinkFeature)
 
1119
        os.symlink('target', 'a link')
 
1120
        stat = os.lstat('a link')
 
1121
        expected_entries = [
 
1122
            (('', '', 'TREE_ROOT'), [
 
1123
             ('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
 
1124
             ]),
 
1125
            (('', 'a link', 'a link id'), [
 
1126
             ('l', 'target', 6, False, dirstate.pack_stat(stat)), # current tree
 
1127
             ]),
 
1128
            ]
 
1129
        state = dirstate.DirState.initialize('dirstate')
 
1130
        try:
 
1131
            state.add('a link', 'a link id', 'symlink', stat, 'target')
 
1132
            # having added it, it should be in the output of iter_entries.
 
1133
            self.assertEqual(expected_entries, list(state._iter_entries()))
 
1134
            # saving and reloading should not affect this.
 
1135
            state.save()
 
1136
        finally:
 
1137
            state.unlock()
 
1138
        state = dirstate.DirState.on_file('dirstate')
 
1139
        state.lock_read()
 
1140
        try:
 
1141
            self.assertEqual(expected_entries, list(state._iter_entries()))
 
1142
        finally:
 
1143
            state.unlock()
 
1144
 
 
1145
    def test_add_directory_and_child_no_parents_all_data(self):
 
1146
        # after adding a directory, we should be able to add children to it.
 
1147
        self.build_tree(['a dir/', 'a dir/a file'])
 
1148
        dirstat = os.lstat('a dir')
 
1149
        filestat = os.lstat('a dir/a file')
 
1150
        expected_entries = [
 
1151
            (('', '', 'TREE_ROOT'), [
 
1152
             ('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
 
1153
             ]),
 
1154
            (('', 'a dir', 'a dir id'), [
 
1155
             ('d', '', 0, False, dirstate.pack_stat(dirstat)), # current tree
 
1156
             ]),
 
1157
            (('a dir', 'a file', 'a-file-id'), [
 
1158
             ('f', '1'*20, 25, False,
 
1159
              dirstate.pack_stat(filestat)), # current tree details
 
1160
             ]),
 
1161
            ]
 
1162
        state = dirstate.DirState.initialize('dirstate')
 
1163
        try:
 
1164
            state.add('a dir', 'a dir id', 'directory', dirstat, None)
 
1165
            state.add('a dir/a file', 'a-file-id', 'file', filestat, '1'*20)
 
1166
            # added it, it should be in the output of iter_entries.
 
1167
            self.assertEqual(expected_entries, list(state._iter_entries()))
 
1168
            # saving and reloading should not affect this.
 
1169
            state.save()
 
1170
        finally:
 
1171
            state.unlock()
 
1172
        state = dirstate.DirState.on_file('dirstate')
 
1173
        state.lock_read()
 
1174
        try:
 
1175
            self.assertEqual(expected_entries, list(state._iter_entries()))
 
1176
        finally:
 
1177
            state.unlock()
 
1178
 
 
1179
    def test_add_tree_reference(self):
 
1180
        # make a dirstate and add a tree reference
 
1181
        state = dirstate.DirState.initialize('dirstate')
 
1182
        expected_entry = (
 
1183
            ('', 'subdir', 'subdir-id'),
 
1184
            [('t', 'subtree-123123', 0, False,
 
1185
              'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx')],
 
1186
            )
 
1187
        try:
 
1188
            state.add('subdir', 'subdir-id', 'tree-reference', None, 'subtree-123123')
 
1189
            entry = state._get_entry(0, 'subdir-id', 'subdir')
 
1190
            self.assertEqual(entry, expected_entry)
 
1191
            state._validate()
 
1192
            state.save()
 
1193
        finally:
 
1194
            state.unlock()
 
1195
        # now check we can read it back
 
1196
        state.lock_read()
 
1197
        state._validate()
 
1198
        try:
 
1199
            entry2 = state._get_entry(0, 'subdir-id', 'subdir')
 
1200
            self.assertEqual(entry, entry2)
 
1201
            self.assertEqual(entry, expected_entry)
 
1202
            # and lookup by id should work too
 
1203
            entry2 = state._get_entry(0, fileid_utf8='subdir-id')
 
1204
            self.assertEqual(entry, expected_entry)
 
1205
        finally:
 
1206
            state.unlock()
 
1207
 
 
1208
    def test_add_forbidden_names(self):
 
1209
        state = dirstate.DirState.initialize('dirstate')
 
1210
        self.addCleanup(state.unlock)
 
1211
        self.assertRaises(errors.BzrError,
 
1212
            state.add, '.', 'ass-id', 'directory', None, None)
 
1213
        self.assertRaises(errors.BzrError,
 
1214
            state.add, '..', 'ass-id', 'directory', None, None)
 
1215
 
 
1216
 
 
1217
class TestGetLines(TestCaseWithDirState):
 
1218
 
 
1219
    def test_get_line_with_2_rows(self):
 
1220
        state = self.create_dirstate_with_root_and_subdir()
 
1221
        try:
 
1222
            self.assertEqual(['#bazaar dirstate flat format 3\n',
 
1223
                'crc32: 41262208\n',
 
1224
                'num_entries: 2\n',
 
1225
                '0\x00\n\x00'
 
1226
                '0\x00\n\x00'
 
1227
                '\x00\x00a-root-value\x00'
 
1228
                'd\x00\x000\x00n\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk\x00\n\x00'
 
1229
                '\x00subdir\x00subdir-id\x00'
 
1230
                'd\x00\x000\x00n\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk\x00\n\x00'
 
1231
                ], state.get_lines())
 
1232
        finally:
 
1233
            state.unlock()
 
1234
 
 
1235
    def test_entry_to_line(self):
 
1236
        state = self.create_dirstate_with_root()
 
1237
        try:
 
1238
            self.assertEqual(
 
1239
                '\x00\x00a-root-value\x00d\x00\x000\x00n'
 
1240
                '\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk',
 
1241
                state._entry_to_line(state._dirblocks[0][1][0]))
 
1242
        finally:
 
1243
            state.unlock()
 
1244
 
 
1245
    def test_entry_to_line_with_parent(self):
 
1246
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
 
1247
        root_entry = ('', '', 'a-root-value'), [
 
1248
            ('d', '', 0, False, packed_stat), # current tree details
 
1249
             # first: a pointer to the current location
 
1250
            ('a', 'dirname/basename', 0, False, ''),
 
1251
            ]
 
1252
        state = dirstate.DirState.initialize('dirstate')
 
1253
        try:
 
1254
            self.assertEqual(
 
1255
                '\x00\x00a-root-value\x00'
 
1256
                'd\x00\x000\x00n\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk\x00'
 
1257
                'a\x00dirname/basename\x000\x00n\x00',
 
1258
                state._entry_to_line(root_entry))
 
1259
        finally:
 
1260
            state.unlock()
 
1261
 
 
1262
    def test_entry_to_line_with_two_parents_at_different_paths(self):
 
1263
        # / in the tree, at / in one parent and /dirname/basename in the other.
 
1264
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
 
1265
        root_entry = ('', '', 'a-root-value'), [
 
1266
            ('d', '', 0, False, packed_stat), # current tree details
 
1267
            ('d', '', 0, False, 'rev_id'), # first parent details
 
1268
             # second: a pointer to the current location
 
1269
            ('a', 'dirname/basename', 0, False, ''),
 
1270
            ]
 
1271
        state = dirstate.DirState.initialize('dirstate')
 
1272
        try:
 
1273
            self.assertEqual(
 
1274
                '\x00\x00a-root-value\x00'
 
1275
                'd\x00\x000\x00n\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk\x00'
 
1276
                'd\x00\x000\x00n\x00rev_id\x00'
 
1277
                'a\x00dirname/basename\x000\x00n\x00',
 
1278
                state._entry_to_line(root_entry))
 
1279
        finally:
 
1280
            state.unlock()
 
1281
 
 
1282
    def test_iter_entries(self):
 
1283
        # we should be able to iterate the dirstate entries from end to end
 
1284
        # this is for get_lines to be easy to read.
 
1285
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
 
1286
        dirblocks = []
 
1287
        root_entries = [(('', '', 'a-root-value'), [
 
1288
            ('d', '', 0, False, packed_stat), # current tree details
 
1289
            ])]
 
1290
        dirblocks.append(('', root_entries))
 
1291
        # add two files in the root
 
1292
        subdir_entry = ('', 'subdir', 'subdir-id'), [
 
1293
            ('d', '', 0, False, packed_stat), # current tree details
 
1294
            ]
 
1295
        afile_entry = ('', 'afile', 'afile-id'), [
 
1296
            ('f', 'sha1value', 34, False, packed_stat), # current tree details
 
1297
            ]
 
1298
        dirblocks.append(('', [subdir_entry, afile_entry]))
 
1299
        # and one in subdir
 
1300
        file_entry2 = ('subdir', '2file', '2file-id'), [
 
1301
            ('f', 'sha1value', 23, False, packed_stat), # current tree details
 
1302
            ]
 
1303
        dirblocks.append(('subdir', [file_entry2]))
 
1304
        state = dirstate.DirState.initialize('dirstate')
 
1305
        try:
 
1306
            state._set_data([], dirblocks)
 
1307
            expected_entries = [root_entries[0], subdir_entry, afile_entry,
 
1308
                                file_entry2]
 
1309
            self.assertEqual(expected_entries, list(state._iter_entries()))
 
1310
        finally:
 
1311
            state.unlock()
 
1312
 
 
1313
 
 
1314
class TestGetBlockRowIndex(TestCaseWithDirState):
 
1315
 
 
1316
    def assertBlockRowIndexEqual(self, block_index, row_index, dir_present,
 
1317
        file_present, state, dirname, basename, tree_index):
 
1318
        self.assertEqual((block_index, row_index, dir_present, file_present),
 
1319
            state._get_block_entry_index(dirname, basename, tree_index))
 
1320
        if dir_present:
 
1321
            block = state._dirblocks[block_index]
 
1322
            self.assertEqual(dirname, block[0])
 
1323
        if dir_present and file_present:
 
1324
            row = state._dirblocks[block_index][1][row_index]
 
1325
            self.assertEqual(dirname, row[0][0])
 
1326
            self.assertEqual(basename, row[0][1])
 
1327
 
 
1328
    def test_simple_structure(self):
 
1329
        state = self.create_dirstate_with_root_and_subdir()
 
1330
        self.addCleanup(state.unlock)
 
1331
        self.assertBlockRowIndexEqual(1, 0, True, True, state, '', 'subdir', 0)
 
1332
        self.assertBlockRowIndexEqual(1, 0, True, False, state, '', 'bdir', 0)
 
1333
        self.assertBlockRowIndexEqual(1, 1, True, False, state, '', 'zdir', 0)
 
1334
        self.assertBlockRowIndexEqual(2, 0, False, False, state, 'a', 'foo', 0)
 
1335
        self.assertBlockRowIndexEqual(2, 0, False, False, state,
 
1336
                                      'subdir', 'foo', 0)
 
1337
 
 
1338
    def test_complex_structure_exists(self):
 
1339
        state = self.create_complex_dirstate()
 
1340
        self.addCleanup(state.unlock)
 
1341
        # Make sure we can find everything that exists
 
1342
        self.assertBlockRowIndexEqual(0, 0, True, True, state, '', '', 0)
 
1343
        self.assertBlockRowIndexEqual(1, 0, True, True, state, '', 'a', 0)
 
1344
        self.assertBlockRowIndexEqual(1, 1, True, True, state, '', 'b', 0)
 
1345
        self.assertBlockRowIndexEqual(1, 2, True, True, state, '', 'c', 0)
 
1346
        self.assertBlockRowIndexEqual(1, 3, True, True, state, '', 'd', 0)
 
1347
        self.assertBlockRowIndexEqual(2, 0, True, True, state, 'a', 'e', 0)
 
1348
        self.assertBlockRowIndexEqual(2, 1, True, True, state, 'a', 'f', 0)
 
1349
        self.assertBlockRowIndexEqual(3, 0, True, True, state, 'b', 'g', 0)
 
1350
        self.assertBlockRowIndexEqual(3, 1, True, True, state,
 
1351
                                      'b', 'h\xc3\xa5', 0)
 
1352
 
 
1353
    def test_complex_structure_missing(self):
 
1354
        state = self.create_complex_dirstate()
 
1355
        self.addCleanup(state.unlock)
 
1356
        # Make sure things would be inserted in the right locations
 
1357
        # '_' comes before 'a'
 
1358
        self.assertBlockRowIndexEqual(0, 0, True, True, state, '', '', 0)
 
1359
        self.assertBlockRowIndexEqual(1, 0, True, False, state, '', '_', 0)
 
1360
        self.assertBlockRowIndexEqual(1, 1, True, False, state, '', 'aa', 0)
 
1361
        self.assertBlockRowIndexEqual(1, 4, True, False, state,
 
1362
                                      '', 'h\xc3\xa5', 0)
 
1363
        self.assertBlockRowIndexEqual(2, 0, False, False, state, '_', 'a', 0)
 
1364
        self.assertBlockRowIndexEqual(3, 0, False, False, state, 'aa', 'a', 0)
 
1365
        self.assertBlockRowIndexEqual(4, 0, False, False, state, 'bb', 'a', 0)
 
1366
        # This would be inserted between a/ and b/
 
1367
        self.assertBlockRowIndexEqual(3, 0, False, False, state, 'a/e', 'a', 0)
 
1368
        # Put at the end
 
1369
        self.assertBlockRowIndexEqual(4, 0, False, False, state, 'e', 'a', 0)
 
1370
 
 
1371
 
 
1372
class TestGetEntry(TestCaseWithDirState):
 
1373
 
 
1374
    def assertEntryEqual(self, dirname, basename, file_id, state, path, index):
 
1375
        """Check that the right entry is returned for a request to getEntry."""
 
1376
        entry = state._get_entry(index, path_utf8=path)
 
1377
        if file_id is None:
 
1378
            self.assertEqual((None, None), entry)
 
1379
        else:
 
1380
            cur = entry[0]
 
1381
            self.assertEqual((dirname, basename, file_id), cur[:3])
 
1382
 
 
1383
    def test_simple_structure(self):
 
1384
        state = self.create_dirstate_with_root_and_subdir()
 
1385
        self.addCleanup(state.unlock)
 
1386
        self.assertEntryEqual('', '', 'a-root-value', state, '', 0)
 
1387
        self.assertEntryEqual('', 'subdir', 'subdir-id', state, 'subdir', 0)
 
1388
        self.assertEntryEqual(None, None, None, state, 'missing', 0)
 
1389
        self.assertEntryEqual(None, None, None, state, 'missing/foo', 0)
 
1390
        self.assertEntryEqual(None, None, None, state, 'subdir/foo', 0)
 
1391
 
 
1392
    def test_complex_structure_exists(self):
 
1393
        state = self.create_complex_dirstate()
 
1394
        self.addCleanup(state.unlock)
 
1395
        self.assertEntryEqual('', '', 'a-root-value', state, '', 0)
 
1396
        self.assertEntryEqual('', 'a', 'a-dir', state, 'a', 0)
 
1397
        self.assertEntryEqual('', 'b', 'b-dir', state, 'b', 0)
 
1398
        self.assertEntryEqual('', 'c', 'c-file', state, 'c', 0)
 
1399
        self.assertEntryEqual('', 'd', 'd-file', state, 'd', 0)
 
1400
        self.assertEntryEqual('a', 'e', 'e-dir', state, 'a/e', 0)
 
1401
        self.assertEntryEqual('a', 'f', 'f-file', state, 'a/f', 0)
 
1402
        self.assertEntryEqual('b', 'g', 'g-file', state, 'b/g', 0)
 
1403
        self.assertEntryEqual('b', 'h\xc3\xa5', 'h-\xc3\xa5-file', state,
 
1404
                              'b/h\xc3\xa5', 0)
 
1405
 
 
1406
    def test_complex_structure_missing(self):
 
1407
        state = self.create_complex_dirstate()
 
1408
        self.addCleanup(state.unlock)
 
1409
        self.assertEntryEqual(None, None, None, state, '_', 0)
 
1410
        self.assertEntryEqual(None, None, None, state, '_\xc3\xa5', 0)
 
1411
        self.assertEntryEqual(None, None, None, state, 'a/b', 0)
 
1412
        self.assertEntryEqual(None, None, None, state, 'c/d', 0)
 
1413
 
 
1414
    def test_get_entry_uninitialized(self):
 
1415
        """Calling get_entry will load data if it needs to"""
 
1416
        state = self.create_dirstate_with_root()
 
1417
        try:
 
1418
            state.save()
 
1419
        finally:
 
1420
            state.unlock()
 
1421
        del state
 
1422
        state = dirstate.DirState.on_file('dirstate')
 
1423
        state.lock_read()
 
1424
        try:
 
1425
            self.assertEqual(dirstate.DirState.NOT_IN_MEMORY,
 
1426
                             state._header_state)
 
1427
            self.assertEqual(dirstate.DirState.NOT_IN_MEMORY,
 
1428
                             state._dirblock_state)
 
1429
            self.assertEntryEqual('', '', 'a-root-value', state, '', 0)
 
1430
        finally:
 
1431
            state.unlock()
 
1432
 
 
1433
 
 
1434
class TestIterChildEntries(TestCaseWithDirState):
 
1435
 
 
1436
    def create_dirstate_with_two_trees(self):
 
1437
        """This dirstate contains multiple files and directories.
 
1438
 
 
1439
         /        a-root-value
 
1440
         a/       a-dir
 
1441
         b/       b-dir
 
1442
         c        c-file
 
1443
         d        d-file
 
1444
         a/e/     e-dir
 
1445
         a/f      f-file
 
1446
         b/g      g-file
 
1447
         b/h\xc3\xa5  h-\xc3\xa5-file  #This is u'\xe5' encoded into utf-8
 
1448
 
 
1449
        Notice that a/e is an empty directory.
 
1450
 
 
1451
        There is one parent tree, which has the same shape with the following variations:
 
1452
        b/g in the parent is gone.
 
1453
        b/h in the parent has a different id
 
1454
        b/i is new in the parent 
 
1455
        c is renamed to b/j in the parent
 
1456
 
 
1457
        :return: The dirstate, still write-locked.
 
1458
        """
 
1459
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
 
1460
        null_sha = 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'
 
1461
        NULL_PARENT_DETAILS = dirstate.DirState.NULL_PARENT_DETAILS
 
1462
        root_entry = ('', '', 'a-root-value'), [
 
1463
            ('d', '', 0, False, packed_stat),
 
1464
            ('d', '', 0, False, 'parent-revid'),
 
1465
            ]
 
1466
        a_entry = ('', 'a', 'a-dir'), [
 
1467
            ('d', '', 0, False, packed_stat),
 
1468
            ('d', '', 0, False, 'parent-revid'),
 
1469
            ]
 
1470
        b_entry = ('', 'b', 'b-dir'), [
 
1471
            ('d', '', 0, False, packed_stat),
 
1472
            ('d', '', 0, False, 'parent-revid'),
 
1473
            ]
 
1474
        c_entry = ('', 'c', 'c-file'), [
 
1475
            ('f', null_sha, 10, False, packed_stat),
 
1476
            ('r', 'b/j', 0, False, ''),
 
1477
            ]
 
1478
        d_entry = ('', 'd', 'd-file'), [
 
1479
            ('f', null_sha, 20, False, packed_stat),
 
1480
            ('f', 'd', 20, False, 'parent-revid'),
 
1481
            ]
 
1482
        e_entry = ('a', 'e', 'e-dir'), [
 
1483
            ('d', '', 0, False, packed_stat),
 
1484
            ('d', '', 0, False, 'parent-revid'),
 
1485
            ]
 
1486
        f_entry = ('a', 'f', 'f-file'), [
 
1487
            ('f', null_sha, 30, False, packed_stat),
 
1488
            ('f', 'f', 20, False, 'parent-revid'),
 
1489
            ]
 
1490
        g_entry = ('b', 'g', 'g-file'), [
 
1491
            ('f', null_sha, 30, False, packed_stat),
 
1492
            NULL_PARENT_DETAILS,
 
1493
            ]
 
1494
        h_entry1 = ('b', 'h\xc3\xa5', 'h-\xc3\xa5-file1'), [
 
1495
            ('f', null_sha, 40, False, packed_stat),
 
1496
            NULL_PARENT_DETAILS,
 
1497
            ]
 
1498
        h_entry2 = ('b', 'h\xc3\xa5', 'h-\xc3\xa5-file2'), [
 
1499
            NULL_PARENT_DETAILS,
 
1500
            ('f', 'h', 20, False, 'parent-revid'),
 
1501
            ]
 
1502
        i_entry = ('b', 'i', 'i-file'), [
 
1503
            NULL_PARENT_DETAILS,
 
1504
            ('f', 'h', 20, False, 'parent-revid'),
 
1505
            ]
 
1506
        j_entry = ('b', 'j', 'c-file'), [
 
1507
            ('r', 'c', 0, False, ''),
 
1508
            ('f', 'j', 20, False, 'parent-revid'),
 
1509
            ]
 
1510
        dirblocks = []
 
1511
        dirblocks.append(('', [root_entry]))
 
1512
        dirblocks.append(('', [a_entry, b_entry, c_entry, d_entry]))
 
1513
        dirblocks.append(('a', [e_entry, f_entry]))
 
1514
        dirblocks.append(('b', [g_entry, h_entry1, h_entry2, i_entry, j_entry]))
 
1515
        state = dirstate.DirState.initialize('dirstate')
 
1516
        state._validate()
 
1517
        try:
 
1518
            state._set_data(['parent'], dirblocks)
 
1519
        except:
 
1520
            state.unlock()
 
1521
            raise
 
1522
        return state, dirblocks
 
1523
 
 
1524
    def test_iter_children_b(self):
 
1525
        state, dirblocks = self.create_dirstate_with_two_trees()
 
1526
        self.addCleanup(state.unlock)
 
1527
        expected_result = []
 
1528
        expected_result.append(dirblocks[3][1][2]) # h2
 
1529
        expected_result.append(dirblocks[3][1][3]) # i
 
1530
        expected_result.append(dirblocks[3][1][4]) # j
 
1531
        self.assertEqual(expected_result,
 
1532
            list(state._iter_child_entries(1, 'b')))
 
1533
 
 
1534
    def test_iter_child_root(self):
 
1535
        state, dirblocks = self.create_dirstate_with_two_trees()
 
1536
        self.addCleanup(state.unlock)
 
1537
        expected_result = []
 
1538
        expected_result.append(dirblocks[1][1][0]) # a
 
1539
        expected_result.append(dirblocks[1][1][1]) # b
 
1540
        expected_result.append(dirblocks[1][1][3]) # d
 
1541
        expected_result.append(dirblocks[2][1][0]) # e
 
1542
        expected_result.append(dirblocks[2][1][1]) # f
 
1543
        expected_result.append(dirblocks[3][1][2]) # h2
 
1544
        expected_result.append(dirblocks[3][1][3]) # i
 
1545
        expected_result.append(dirblocks[3][1][4]) # j
 
1546
        self.assertEqual(expected_result,
 
1547
            list(state._iter_child_entries(1, '')))
 
1548
 
 
1549
 
 
1550
class TestDirstateSortOrder(TestCaseWithTransport):
 
1551
    """Test that DirState adds entries in the right order."""
 
1552
 
 
1553
    def test_add_sorting(self):
 
1554
        """Add entries in lexicographical order, we get path sorted order.
 
1555
 
 
1556
        This tests it to a depth of 4, to make sure we don't just get it right
 
1557
        at a single depth. 'a/a' should come before 'a-a', even though it
 
1558
        doesn't lexicographically.
 
1559
        """
 
1560
        dirs = ['a', 'a/a', 'a/a/a', 'a/a/a/a',
 
1561
                'a-a', 'a/a-a', 'a/a/a-a', 'a/a/a/a-a',
 
1562
               ]
 
1563
        null_sha = ''
 
1564
        state = dirstate.DirState.initialize('dirstate')
 
1565
        self.addCleanup(state.unlock)
 
1566
 
 
1567
        fake_stat = os.stat('dirstate')
 
1568
        for d in dirs:
 
1569
            d_id = d.replace('/', '_')+'-id'
 
1570
            file_path = d + '/f'
 
1571
            file_id = file_path.replace('/', '_')+'-id'
 
1572
            state.add(d, d_id, 'directory', fake_stat, null_sha)
 
1573
            state.add(file_path, file_id, 'file', fake_stat, null_sha)
 
1574
 
 
1575
        expected = ['', '', 'a',
 
1576
                'a/a', 'a/a/a', 'a/a/a/a',
 
1577
                'a/a/a/a-a', 'a/a/a-a', 'a/a-a', 'a-a',
 
1578
               ]
 
1579
        split = lambda p:p.split('/')
 
1580
        self.assertEqual(sorted(expected, key=split), expected)
 
1581
        dirblock_names = [d[0] for d in state._dirblocks]
 
1582
        self.assertEqual(expected, dirblock_names)
 
1583
 
 
1584
    def test_set_parent_trees_correct_order(self):
 
1585
        """After calling set_parent_trees() we should maintain the order."""
 
1586
        dirs = ['a', 'a-a', 'a/a']
 
1587
        null_sha = ''
 
1588
        state = dirstate.DirState.initialize('dirstate')
 
1589
        self.addCleanup(state.unlock)
 
1590
 
 
1591
        fake_stat = os.stat('dirstate')
 
1592
        for d in dirs:
 
1593
            d_id = d.replace('/', '_')+'-id'
 
1594
            file_path = d + '/f'
 
1595
            file_id = file_path.replace('/', '_')+'-id'
 
1596
            state.add(d, d_id, 'directory', fake_stat, null_sha)
 
1597
            state.add(file_path, file_id, 'file', fake_stat, null_sha)
 
1598
 
 
1599
        expected = ['', '', 'a', 'a/a', 'a-a']
 
1600
        dirblock_names = [d[0] for d in state._dirblocks]
 
1601
        self.assertEqual(expected, dirblock_names)
 
1602
 
 
1603
        # *really* cheesy way to just get an empty tree
 
1604
        repo = self.make_repository('repo')
 
1605
        empty_tree = repo.revision_tree(None)
 
1606
        state.set_parent_trees([('null:', empty_tree)], [])
 
1607
 
 
1608
        dirblock_names = [d[0] for d in state._dirblocks]
 
1609
        self.assertEqual(expected, dirblock_names)
 
1610
 
 
1611
 
 
1612
class InstrumentedDirState(dirstate.DirState):
 
1613
    """An DirState with instrumented sha1 functionality."""
 
1614
 
 
1615
    def __init__(self, path):
 
1616
        super(InstrumentedDirState, self).__init__(path)
 
1617
        self._time_offset = 0
 
1618
        self._log = []
 
1619
        # member is dynamically set in DirState.__init__ to turn on trace
 
1620
        self._sha1_file = self._sha1_file_and_log
 
1621
 
 
1622
    def _sha_cutoff_time(self):
 
1623
        timestamp = super(InstrumentedDirState, self)._sha_cutoff_time()
 
1624
        self._cutoff_time = timestamp + self._time_offset
 
1625
 
 
1626
    def _sha1_file_and_log(self, abspath):
 
1627
        self._log.append(('sha1', abspath))
 
1628
        return osutils.sha_file_by_name(abspath)
 
1629
 
 
1630
    def _read_link(self, abspath, old_link):
 
1631
        self._log.append(('read_link', abspath, old_link))
 
1632
        return super(InstrumentedDirState, self)._read_link(abspath, old_link)
 
1633
 
 
1634
    def _lstat(self, abspath, entry):
 
1635
        self._log.append(('lstat', abspath))
 
1636
        return super(InstrumentedDirState, self)._lstat(abspath, entry)
 
1637
 
 
1638
    def _is_executable(self, mode, old_executable):
 
1639
        self._log.append(('is_exec', mode, old_executable))
 
1640
        return super(InstrumentedDirState, self)._is_executable(mode,
 
1641
                                                                old_executable)
 
1642
 
 
1643
    def adjust_time(self, secs):
 
1644
        """Move the clock forward or back.
 
1645
 
 
1646
        :param secs: The amount to adjust the clock by. Positive values make it
 
1647
        seem as if we are in the future, negative values make it seem like we
 
1648
        are in the past.
 
1649
        """
 
1650
        self._time_offset += secs
 
1651
        self._cutoff_time = None
 
1652
 
 
1653
 
 
1654
class _FakeStat(object):
 
1655
    """A class with the same attributes as a real stat result."""
 
1656
 
 
1657
    def __init__(self, size, mtime, ctime, dev, ino, mode):
 
1658
        self.st_size = size
 
1659
        self.st_mtime = mtime
 
1660
        self.st_ctime = ctime
 
1661
        self.st_dev = dev
 
1662
        self.st_ino = ino
 
1663
        self.st_mode = mode
 
1664
 
 
1665
 
 
1666
class TestUpdateEntry(TestCaseWithDirState):
 
1667
    """Test the DirState.update_entry functions"""
 
1668
 
 
1669
    def get_state_with_a(self):
 
1670
        """Create a DirState tracking a single object named 'a'"""
 
1671
        state = InstrumentedDirState.initialize('dirstate')
 
1672
        self.addCleanup(state.unlock)
 
1673
        state.add('a', 'a-id', 'file', None, '')
 
1674
        entry = state._get_entry(0, path_utf8='a')
 
1675
        return state, entry
 
1676
 
 
1677
    def test_update_entry(self):
 
1678
        state, entry = self.get_state_with_a()
 
1679
        self.build_tree(['a'])
 
1680
        # Add one where we don't provide the stat or sha already
 
1681
        self.assertEqual(('', 'a', 'a-id'), entry[0])
 
1682
        self.assertEqual([('f', '', 0, False, dirstate.DirState.NULLSTAT)],
 
1683
                         entry[1])
 
1684
        # Flush the buffers to disk
 
1685
        state.save()
 
1686
        self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
 
1687
                         state._dirblock_state)
 
1688
 
 
1689
        stat_value = os.lstat('a')
 
1690
        packed_stat = dirstate.pack_stat(stat_value)
 
1691
        link_or_sha1 = state.update_entry(entry, abspath='a',
 
1692
                                          stat_value=stat_value)
 
1693
        self.assertEqual('b50e5406bb5e153ebbeb20268fcf37c87e1ecfb6',
 
1694
                         link_or_sha1)
 
1695
 
 
1696
        # The dirblock entry should not cache the file's sha1
 
1697
        self.assertEqual([('f', '', 14, False, dirstate.DirState.NULLSTAT)],
 
1698
                         entry[1])
 
1699
        self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
 
1700
                         state._dirblock_state)
 
1701
        mode = stat_value.st_mode
 
1702
        self.assertEqual([('sha1', 'a'), ('is_exec', mode, False)], state._log)
 
1703
 
 
1704
        state.save()
 
1705
        self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
 
1706
                         state._dirblock_state)
 
1707
 
 
1708
        # If we do it again right away, we don't know if the file has changed
 
1709
        # so we will re-read the file. Roll the clock back so the file is
 
1710
        # guaranteed to look too new.
 
1711
        state.adjust_time(-10)
 
1712
 
 
1713
        link_or_sha1 = state.update_entry(entry, abspath='a',
 
1714
                                          stat_value=stat_value)
 
1715
        self.assertEqual([('sha1', 'a'), ('is_exec', mode, False),
 
1716
                          ('sha1', 'a'), ('is_exec', mode, False),
 
1717
                         ], state._log)
 
1718
        self.assertEqual('b50e5406bb5e153ebbeb20268fcf37c87e1ecfb6',
 
1719
                         link_or_sha1)
 
1720
        self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
 
1721
                         state._dirblock_state)
 
1722
        self.assertEqual([('f', '', 14, False, dirstate.DirState.NULLSTAT)],
 
1723
                         entry[1])
 
1724
        state.save()
 
1725
 
 
1726
        # However, if we move the clock forward so the file is considered
 
1727
        # "stable", it should just cache the value.
 
1728
        state.adjust_time(+20)
 
1729
        link_or_sha1 = state.update_entry(entry, abspath='a',
 
1730
                                          stat_value=stat_value)
 
1731
        self.assertEqual('b50e5406bb5e153ebbeb20268fcf37c87e1ecfb6',
 
1732
                         link_or_sha1)
 
1733
        self.assertEqual([('sha1', 'a'), ('is_exec', mode, False),
 
1734
                          ('sha1', 'a'), ('is_exec', mode, False),
 
1735
                          ('sha1', 'a'), ('is_exec', mode, False),
 
1736
                         ], state._log)
 
1737
        self.assertEqual([('f', link_or_sha1, 14, False, packed_stat)],
 
1738
                         entry[1])
 
1739
 
 
1740
        # Subsequent calls will just return the cached value
 
1741
        link_or_sha1 = state.update_entry(entry, abspath='a',
 
1742
                                          stat_value=stat_value)
 
1743
        self.assertEqual('b50e5406bb5e153ebbeb20268fcf37c87e1ecfb6',
 
1744
                         link_or_sha1)
 
1745
        self.assertEqual([('sha1', 'a'), ('is_exec', mode, False),
 
1746
                          ('sha1', 'a'), ('is_exec', mode, False),
 
1747
                          ('sha1', 'a'), ('is_exec', mode, False),
 
1748
                         ], state._log)
 
1749
        self.assertEqual([('f', link_or_sha1, 14, False, packed_stat)],
 
1750
                         entry[1])
 
1751
 
 
1752
    def test_update_entry_symlink(self):
 
1753
        """Update entry should read symlinks."""
 
1754
        self.requireFeature(SymlinkFeature)
 
1755
        state, entry = self.get_state_with_a()
 
1756
        state.save()
 
1757
        self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
 
1758
                         state._dirblock_state)
 
1759
        os.symlink('target', 'a')
 
1760
 
 
1761
        state.adjust_time(-10) # Make the symlink look new
 
1762
        stat_value = os.lstat('a')
 
1763
        packed_stat = dirstate.pack_stat(stat_value)
 
1764
        link_or_sha1 = state.update_entry(entry, abspath='a',
 
1765
                                          stat_value=stat_value)
 
1766
        self.assertEqual('target', link_or_sha1)
 
1767
        self.assertEqual([('read_link', 'a', '')], state._log)
 
1768
        # Dirblock is not updated (the link is too new)
 
1769
        self.assertEqual([('l', '', 6, False, dirstate.DirState.NULLSTAT)],
 
1770
                         entry[1])
 
1771
        self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
 
1772
                         state._dirblock_state)
 
1773
 
 
1774
        # Because the stat_value looks new, we should re-read the target
 
1775
        link_or_sha1 = state.update_entry(entry, abspath='a',
 
1776
                                          stat_value=stat_value)
 
1777
        self.assertEqual('target', link_or_sha1)
 
1778
        self.assertEqual([('read_link', 'a', ''),
 
1779
                          ('read_link', 'a', ''),
 
1780
                         ], state._log)
 
1781
        self.assertEqual([('l', '', 6, False, dirstate.DirState.NULLSTAT)],
 
1782
                         entry[1])
 
1783
        state.adjust_time(+20) # Skip into the future, all files look old
 
1784
        link_or_sha1 = state.update_entry(entry, abspath='a',
 
1785
                                          stat_value=stat_value)
 
1786
        self.assertEqual('target', link_or_sha1)
 
1787
        # We need to re-read the link because only now can we cache it
 
1788
        self.assertEqual([('read_link', 'a', ''),
 
1789
                          ('read_link', 'a', ''),
 
1790
                          ('read_link', 'a', ''),
 
1791
                         ], state._log)
 
1792
        self.assertEqual([('l', 'target', 6, False, packed_stat)],
 
1793
                         entry[1])
 
1794
 
 
1795
        # Another call won't re-read the link
 
1796
        self.assertEqual([('read_link', 'a', ''),
 
1797
                          ('read_link', 'a', ''),
 
1798
                          ('read_link', 'a', ''),
 
1799
                         ], state._log)
 
1800
        link_or_sha1 = state.update_entry(entry, abspath='a',
 
1801
                                          stat_value=stat_value)
 
1802
        self.assertEqual('target', link_or_sha1)
 
1803
        self.assertEqual([('l', 'target', 6, False, packed_stat)],
 
1804
                         entry[1])
 
1805
 
 
1806
    def do_update_entry(self, state, entry, abspath):
 
1807
        stat_value = os.lstat(abspath)
 
1808
        return state.update_entry(entry, abspath, stat_value)
 
1809
 
 
1810
    def test_update_entry_dir(self):
 
1811
        state, entry = self.get_state_with_a()
 
1812
        self.build_tree(['a/'])
 
1813
        self.assertIs(None, self.do_update_entry(state, entry, 'a'))
 
1814
 
 
1815
    def test_update_entry_dir_unchanged(self):
 
1816
        state, entry = self.get_state_with_a()
 
1817
        self.build_tree(['a/'])
 
1818
        state.adjust_time(+20)
 
1819
        self.assertIs(None, self.do_update_entry(state, entry, 'a'))
 
1820
        self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
 
1821
                         state._dirblock_state)
 
1822
        state.save()
 
1823
        self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
 
1824
                         state._dirblock_state)
 
1825
        self.assertIs(None, self.do_update_entry(state, entry, 'a'))
 
1826
        self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
 
1827
                         state._dirblock_state)
 
1828
 
 
1829
    def test_update_entry_file_unchanged(self):
 
1830
        state, entry = self.get_state_with_a()
 
1831
        self.build_tree(['a'])
 
1832
        sha1sum = 'b50e5406bb5e153ebbeb20268fcf37c87e1ecfb6'
 
1833
        state.adjust_time(+20)
 
1834
        self.assertEqual(sha1sum, self.do_update_entry(state, entry, 'a'))
 
1835
        self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
 
1836
                         state._dirblock_state)
 
1837
        state.save()
 
1838
        self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
 
1839
                         state._dirblock_state)
 
1840
        self.assertEqual(sha1sum, self.do_update_entry(state, entry, 'a'))
 
1841
        self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
 
1842
                         state._dirblock_state)
 
1843
 
 
1844
    def create_and_test_file(self, state, entry):
 
1845
        """Create a file at 'a' and verify the state finds it.
 
1846
 
 
1847
        The state should already be versioning *something* at 'a'. This makes
 
1848
        sure that state.update_entry recognizes it as a file.
 
1849
        """
 
1850
        self.build_tree(['a'])
 
1851
        stat_value = os.lstat('a')
 
1852
        packed_stat = dirstate.pack_stat(stat_value)
 
1853
 
 
1854
        link_or_sha1 = self.do_update_entry(state, entry, abspath='a')
 
1855
        self.assertEqual('b50e5406bb5e153ebbeb20268fcf37c87e1ecfb6',
 
1856
                         link_or_sha1)
 
1857
        self.assertEqual([('f', link_or_sha1, 14, False, packed_stat)],
 
1858
                         entry[1])
 
1859
        return packed_stat
 
1860
 
 
1861
    def create_and_test_dir(self, state, entry):
 
1862
        """Create a directory at 'a' and verify the state finds it.
 
1863
 
 
1864
        The state should already be versioning *something* at 'a'. This makes
 
1865
        sure that state.update_entry recognizes it as a directory.
 
1866
        """
 
1867
        self.build_tree(['a/'])
 
1868
        stat_value = os.lstat('a')
 
1869
        packed_stat = dirstate.pack_stat(stat_value)
 
1870
 
 
1871
        link_or_sha1 = self.do_update_entry(state, entry, abspath='a')
 
1872
        self.assertIs(None, link_or_sha1)
 
1873
        self.assertEqual([('d', '', 0, False, packed_stat)], entry[1])
 
1874
 
 
1875
        return packed_stat
 
1876
 
 
1877
    def create_and_test_symlink(self, state, entry):
 
1878
        """Create a symlink at 'a' and verify the state finds it.
 
1879
 
 
1880
        The state should already be versioning *something* at 'a'. This makes
 
1881
        sure that state.update_entry recognizes it as a symlink.
 
1882
 
 
1883
        This should not be called if this platform does not have symlink
 
1884
        support.
 
1885
        """
 
1886
        # caller should care about skipping test on platforms without symlinks
 
1887
        os.symlink('path/to/foo', 'a')
 
1888
 
 
1889
        stat_value = os.lstat('a')
 
1890
        packed_stat = dirstate.pack_stat(stat_value)
 
1891
 
 
1892
        link_or_sha1 = self.do_update_entry(state, entry, abspath='a')
 
1893
        self.assertEqual('path/to/foo', link_or_sha1)
 
1894
        self.assertEqual([('l', 'path/to/foo', 11, False, packed_stat)],
 
1895
                         entry[1])
 
1896
        return packed_stat
 
1897
 
 
1898
    def test_update_file_to_dir(self):
 
1899
        """If a file changes to a directory we return None for the sha.
 
1900
        We also update the inventory record.
 
1901
        """
 
1902
        state, entry = self.get_state_with_a()
 
1903
        # The file sha1 won't be cached unless the file is old
 
1904
        state.adjust_time(+10)
 
1905
        self.create_and_test_file(state, entry)
 
1906
        os.remove('a')
 
1907
        self.create_and_test_dir(state, entry)
 
1908
 
 
1909
    def test_update_file_to_symlink(self):
 
1910
        """File becomes a symlink"""
 
1911
        self.requireFeature(SymlinkFeature)
 
1912
        state, entry = self.get_state_with_a()
 
1913
        # The file sha1 won't be cached unless the file is old
 
1914
        state.adjust_time(+10)
 
1915
        self.create_and_test_file(state, entry)
 
1916
        os.remove('a')
 
1917
        self.create_and_test_symlink(state, entry)
 
1918
 
 
1919
    def test_update_dir_to_file(self):
 
1920
        """Directory becoming a file updates the entry."""
 
1921
        state, entry = self.get_state_with_a()
 
1922
        # The file sha1 won't be cached unless the file is old
 
1923
        state.adjust_time(+10)
 
1924
        self.create_and_test_dir(state, entry)
 
1925
        os.rmdir('a')
 
1926
        self.create_and_test_file(state, entry)
 
1927
 
 
1928
    def test_update_dir_to_symlink(self):
 
1929
        """Directory becomes a symlink"""
 
1930
        self.requireFeature(SymlinkFeature)
 
1931
        state, entry = self.get_state_with_a()
 
1932
        # The symlink target won't be cached if it isn't old
 
1933
        state.adjust_time(+10)
 
1934
        self.create_and_test_dir(state, entry)
 
1935
        os.rmdir('a')
 
1936
        self.create_and_test_symlink(state, entry)
 
1937
 
 
1938
    def test_update_symlink_to_file(self):
 
1939
        """Symlink becomes a file"""
 
1940
        self.requireFeature(SymlinkFeature)
 
1941
        state, entry = self.get_state_with_a()
 
1942
        # The symlink and file info won't be cached unless old
 
1943
        state.adjust_time(+10)
 
1944
        self.create_and_test_symlink(state, entry)
 
1945
        os.remove('a')
 
1946
        self.create_and_test_file(state, entry)
 
1947
 
 
1948
    def test_update_symlink_to_dir(self):
 
1949
        """Symlink becomes a directory"""
 
1950
        self.requireFeature(SymlinkFeature)
 
1951
        state, entry = self.get_state_with_a()
 
1952
        # The symlink target won't be cached if it isn't old
 
1953
        state.adjust_time(+10)
 
1954
        self.create_and_test_symlink(state, entry)
 
1955
        os.remove('a')
 
1956
        self.create_and_test_dir(state, entry)
 
1957
 
 
1958
    def test__is_executable_win32(self):
 
1959
        state, entry = self.get_state_with_a()
 
1960
        self.build_tree(['a'])
 
1961
 
 
1962
        # Make sure we are using the win32 implementation of _is_executable
 
1963
        state._is_executable = state._is_executable_win32
 
1964
 
 
1965
        # The file on disk is not executable, but we are marking it as though
 
1966
        # it is. With _is_executable_win32 we ignore what is on disk.
 
1967
        entry[1][0] = ('f', '', 0, True, dirstate.DirState.NULLSTAT)
 
1968
 
 
1969
        stat_value = os.lstat('a')
 
1970
        packed_stat = dirstate.pack_stat(stat_value)
 
1971
 
 
1972
        state.adjust_time(-10) # Make sure everything is new
 
1973
        state.update_entry(entry, abspath='a', stat_value=stat_value)
 
1974
 
 
1975
        # The row is updated, but the executable bit stays set.
 
1976
        self.assertEqual([('f', '', 14, True, dirstate.DirState.NULLSTAT)],
 
1977
                         entry[1])
 
1978
 
 
1979
        # Make the disk object look old enough to cache
 
1980
        state.adjust_time(+20)
 
1981
        digest = 'b50e5406bb5e153ebbeb20268fcf37c87e1ecfb6'
 
1982
        state.update_entry(entry, abspath='a', stat_value=stat_value)
 
1983
        self.assertEqual([('f', digest, 14, True, packed_stat)], entry[1])
 
1984
 
 
1985
 
 
1986
class TestPackStat(TestCaseWithTransport):
 
1987
 
 
1988
    def assertPackStat(self, expected, stat_value):
 
1989
        """Check the packed and serialized form of a stat value."""
 
1990
        self.assertEqual(expected, dirstate.pack_stat(stat_value))
 
1991
 
 
1992
    def test_pack_stat_int(self):
 
1993
        st = _FakeStat(6859L, 1172758614, 1172758617, 777L, 6499538L, 0100644)
 
1994
        # Make sure that all parameters have an impact on the packed stat.
 
1995
        self.assertPackStat('AAAay0Xm4FZF5uBZAAADCQBjLNIAAIGk', st)
 
1996
        st.st_size = 7000L
 
1997
        #                ay0 => bWE
 
1998
        self.assertPackStat('AAAbWEXm4FZF5uBZAAADCQBjLNIAAIGk', st)
 
1999
        st.st_mtime = 1172758620
 
2000
        #                     4FZ => 4Fx
 
2001
        self.assertPackStat('AAAbWEXm4FxF5uBZAAADCQBjLNIAAIGk', st)
 
2002
        st.st_ctime = 1172758630
 
2003
        #                          uBZ => uBm
 
2004
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADCQBjLNIAAIGk', st)
 
2005
        st.st_dev = 888L
 
2006
        #                                DCQ => DeA
 
2007
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADeABjLNIAAIGk', st)
 
2008
        st.st_ino = 6499540L
 
2009
        #                                     LNI => LNQ
 
2010
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADeABjLNQAAIGk', st)
 
2011
        st.st_mode = 0100744
 
2012
        #                                          IGk => IHk
 
2013
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADeABjLNQAAIHk', st)
 
2014
 
 
2015
    def test_pack_stat_float(self):
 
2016
        """On some platforms mtime and ctime are floats.
 
2017
 
 
2018
        Make sure we don't get warnings or errors, and that we ignore changes <
 
2019
        1s
 
2020
        """
 
2021
        st = _FakeStat(7000L, 1172758614.0, 1172758617.0,
 
2022
                       777L, 6499538L, 0100644)
 
2023
        # These should all be the same as the integer counterparts
 
2024
        self.assertPackStat('AAAbWEXm4FZF5uBZAAADCQBjLNIAAIGk', st)
 
2025
        st.st_mtime = 1172758620.0
 
2026
        #                     FZF5 => FxF5
 
2027
        self.assertPackStat('AAAbWEXm4FxF5uBZAAADCQBjLNIAAIGk', st)
 
2028
        st.st_ctime = 1172758630.0
 
2029
        #                          uBZ => uBm
 
2030
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADCQBjLNIAAIGk', st)
 
2031
        # fractional seconds are discarded, so no change from above
 
2032
        st.st_mtime = 1172758620.453
 
2033
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADCQBjLNIAAIGk', st)
 
2034
        st.st_ctime = 1172758630.228
 
2035
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADCQBjLNIAAIGk', st)
 
2036
 
 
2037
 
 
2038
class TestBisect(TestCaseWithDirState):
 
2039
    """Test the ability to bisect into the disk format."""
 
2040
 
 
2041
    def assertBisect(self, expected_map, map_keys, state, paths):
 
2042
        """Assert that bisecting for paths returns the right result.
 
2043
 
 
2044
        :param expected_map: A map from key => entry value
 
2045
        :param map_keys: The keys to expect for each path
 
2046
        :param state: The DirState object.
 
2047
        :param paths: A list of paths, these will automatically be split into
 
2048
                      (dir, name) tuples, and sorted according to how _bisect
 
2049
                      requires.
 
2050
        """
 
2051
        result = state._bisect(paths)
 
2052
        # For now, results are just returned in whatever order we read them.
 
2053
        # We could sort by (dir, name, file_id) or something like that, but in
 
2054
        # the end it would still be fairly arbitrary, and we don't want the
 
2055
        # extra overhead if we can avoid it. So sort everything to make sure
 
2056
        # equality is true
 
2057
        assert len(map_keys) == len(paths)
 
2058
        expected = {}
 
2059
        for path, keys in zip(paths, map_keys):
 
2060
            if keys is None:
 
2061
                # This should not be present in the output
 
2062
                continue
 
2063
            expected[path] = sorted(expected_map[k] for k in keys)
 
2064
 
 
2065
        # The returned values are just arranged randomly based on when they
 
2066
        # were read, for testing, make sure it is properly sorted.
 
2067
        for path in result:
 
2068
            result[path].sort()
 
2069
 
 
2070
        self.assertEqual(expected, result)
 
2071
 
 
2072
    def assertBisectDirBlocks(self, expected_map, map_keys, state, paths):
 
2073
        """Assert that bisecting for dirbblocks returns the right result.
 
2074
 
 
2075
        :param expected_map: A map from key => expected values
 
2076
        :param map_keys: A nested list of paths we expect to be returned.
 
2077
            Something like [['a', 'b', 'f'], ['b/c', 'b/d']]
 
2078
        :param state: The DirState object.
 
2079
        :param paths: A list of directories
 
2080
        """
 
2081
        result = state._bisect_dirblocks(paths)
 
2082
        assert len(map_keys) == len(paths)
 
2083
 
 
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)