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Viewing changes to breezy/tests/test_dirstate.py

  • Committer: Jelmer Vernooij
  • Date: 2018-07-26 19:15:27 UTC
  • mto: This revision was merged to the branch mainline in revision 7055.
  • Revision ID: jelmer@jelmer.uk-20180726191527-wniq205k6tzfo1xx
Install fastimport from git.

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1
# Copyright (C) 2006-2011 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
16
 
 
17
"""Tests of the dirstate functionality being built for WorkingTreeFormat4."""
 
18
 
 
19
import os
 
20
import tempfile
 
21
 
 
22
from .. import (
 
23
    controldir,
 
24
    errors,
 
25
    memorytree,
 
26
    osutils,
 
27
    revision as _mod_revision,
 
28
    revisiontree,
 
29
    tests,
 
30
    )
 
31
from ..bzr import (
 
32
    dirstate,
 
33
    inventory,
 
34
    inventorytree,
 
35
    workingtree_4,
 
36
    )
 
37
from . import (
 
38
    features,
 
39
    test_osutils,
 
40
    )
 
41
from .scenarios import load_tests_apply_scenarios
 
42
 
 
43
 
 
44
# TODO:
 
45
# TESTS to write:
 
46
# general checks for NOT_IN_MEMORY error conditions.
 
47
# set_path_id on a NOT_IN_MEMORY dirstate
 
48
# set_path_id  unicode support
 
49
# set_path_id  setting id of a path not root
 
50
# set_path_id  setting id when there are parents without the id in the parents
 
51
# set_path_id  setting id when there are parents with the id in the parents
 
52
# set_path_id  setting id when state is not in memory
 
53
# set_path_id  setting id when state is in memory unmodified
 
54
# set_path_id  setting id when state is in memory modified
 
55
 
 
56
 
 
57
class TestErrors(tests.TestCase):
 
58
 
 
59
    def test_dirstate_corrupt(self):
 
60
        error = dirstate.DirstateCorrupt('.bzr/checkout/dirstate',
 
61
                                       'trailing garbage: "x"')
 
62
        self.assertEqualDiff("The dirstate file (.bzr/checkout/dirstate)"
 
63
            " appears to be corrupt: trailing garbage: \"x\"",
 
64
            str(error))
 
65
 
 
66
 
 
67
load_tests = load_tests_apply_scenarios
 
68
 
 
69
 
 
70
class TestCaseWithDirState(tests.TestCaseWithTransport):
 
71
    """Helper functions for creating DirState objects with various content."""
 
72
 
 
73
    scenarios = test_osutils.dir_reader_scenarios()
 
74
 
 
75
    # Set by load_tests
 
76
    _dir_reader_class = None
 
77
    _native_to_unicode = None # Not used yet
 
78
 
 
79
    def setUp(self):
 
80
        super(TestCaseWithDirState, self).setUp()
 
81
        self.overrideAttr(osutils,
 
82
                          '_selected_dir_reader', self._dir_reader_class())
 
83
 
 
84
    def create_empty_dirstate(self):
 
85
        """Return a locked but empty dirstate"""
 
86
        state = dirstate.DirState.initialize('dirstate')
 
87
        return state
 
88
 
 
89
    def create_dirstate_with_root(self):
 
90
        """Return a write-locked state with a single root entry."""
 
91
        packed_stat = b'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
 
92
        root_entry_direntry = (b'', b'', b'a-root-value'), [
 
93
            (b'd', b'', 0, False, packed_stat),
 
94
            ]
 
95
        dirblocks = []
 
96
        dirblocks.append((b'', [root_entry_direntry]))
 
97
        dirblocks.append((b'', []))
 
98
        state = self.create_empty_dirstate()
 
99
        try:
 
100
            state._set_data([], dirblocks)
 
101
            state._validate()
 
102
        except:
 
103
            state.unlock()
 
104
            raise
 
105
        return state
 
106
 
 
107
    def create_dirstate_with_root_and_subdir(self):
 
108
        """Return a locked DirState with a root and a subdir"""
 
109
        packed_stat = b'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
 
110
        subdir_entry = (b'', b'subdir', b'subdir-id'), [
 
111
            (b'd', b'', 0, False, packed_stat),
 
112
            ]
 
113
        state = self.create_dirstate_with_root()
 
114
        try:
 
115
            dirblocks = list(state._dirblocks)
 
116
            dirblocks[1][1].append(subdir_entry)
 
117
            state._set_data([], dirblocks)
 
118
        except:
 
119
            state.unlock()
 
120
            raise
 
121
        return state
 
122
 
 
123
    def create_complex_dirstate(self):
 
124
        """This dirstate contains multiple files and directories.
 
125
 
 
126
         /        a-root-value
 
127
         a/       a-dir
 
128
         b/       b-dir
 
129
         c        c-file
 
130
         d        d-file
 
131
         a/e/     e-dir
 
132
         a/f      f-file
 
133
         b/g      g-file
 
134
         b/h\xc3\xa5  h-\xc3\xa5-file  #This is u'\xe5' encoded into utf-8
 
135
 
 
136
        Notice that a/e is an empty directory.
 
137
 
 
138
        :return: The dirstate, still write-locked.
 
139
        """
 
140
        packed_stat = b'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
 
141
        null_sha = b'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'
 
142
        root_entry = (b'', b'', b'a-root-value'), [
 
143
            (b'd', b'', 0, False, packed_stat),
 
144
            ]
 
145
        a_entry = (b'', b'a', b'a-dir'), [
 
146
            (b'd', b'', 0, False, packed_stat),
 
147
            ]
 
148
        b_entry = (b'', b'b', b'b-dir'), [
 
149
            (b'd', b'', 0, False, packed_stat),
 
150
            ]
 
151
        c_entry = (b'', b'c', b'c-file'), [
 
152
            (b'f', null_sha, 10, False, packed_stat),
 
153
            ]
 
154
        d_entry = (b'', b'd', b'd-file'), [
 
155
            (b'f', null_sha, 20, False, packed_stat),
 
156
            ]
 
157
        e_entry = (b'a', b'e', b'e-dir'), [
 
158
            (b'd', b'', 0, False, packed_stat),
 
159
            ]
 
160
        f_entry = (b'a', b'f', b'f-file'), [
 
161
            (b'f', null_sha, 30, False, packed_stat),
 
162
            ]
 
163
        g_entry = (b'b', b'g', b'g-file'), [
 
164
            (b'f', null_sha, 30, False, packed_stat),
 
165
            ]
 
166
        h_entry = (b'b', b'h\xc3\xa5', b'h-\xc3\xa5-file'), [
 
167
            (b'f', null_sha, 40, False, packed_stat),
 
168
            ]
 
169
        dirblocks = []
 
170
        dirblocks.append((b'', [root_entry]))
 
171
        dirblocks.append((b'', [a_entry, b_entry, c_entry, d_entry]))
 
172
        dirblocks.append((b'a', [e_entry, f_entry]))
 
173
        dirblocks.append((b'b', [g_entry, h_entry]))
 
174
        state = dirstate.DirState.initialize('dirstate')
 
175
        state._validate()
 
176
        try:
 
177
            state._set_data([], dirblocks)
 
178
        except:
 
179
            state.unlock()
 
180
            raise
 
181
        return state
 
182
 
 
183
    def check_state_with_reopen(self, expected_result, state):
 
184
        """Check that state has current state expected_result.
 
185
 
 
186
        This will check the current state, open the file anew and check it
 
187
        again.
 
188
        This function expects the current state to be locked for writing, and
 
189
        will unlock it before re-opening.
 
190
        This is required because we can't open a lock_read() while something
 
191
        else has a lock_write().
 
192
            write => mutually exclusive lock
 
193
            read => shared lock
 
194
        """
 
195
        # The state should already be write locked, since we just had to do
 
196
        # some operation to get here.
 
197
        self.assertTrue(state._lock_token is not None)
 
198
        try:
 
199
            self.assertEqual(expected_result[0],  state.get_parent_ids())
 
200
            # there should be no ghosts in this tree.
 
201
            self.assertEqual([], state.get_ghosts())
 
202
            # there should be one fileid in this tree - the root of the tree.
 
203
            self.assertEqual(expected_result[1], list(state._iter_entries()))
 
204
            state.save()
 
205
        finally:
 
206
            state.unlock()
 
207
        del state
 
208
        state = dirstate.DirState.on_file('dirstate')
 
209
        state.lock_read()
 
210
        try:
 
211
            self.assertEqual(expected_result[1], list(state._iter_entries()))
 
212
        finally:
 
213
            state.unlock()
 
214
 
 
215
    def create_basic_dirstate(self):
 
216
        """Create a dirstate with a few files and directories.
 
217
 
 
218
            a
 
219
            b/
 
220
              c
 
221
              d/
 
222
                e
 
223
            b-c
 
224
            f
 
225
        """
 
226
        tree = self.make_branch_and_tree('tree')
 
227
        paths = ['a', 'b/', 'b/c', 'b/d/', 'b/d/e', 'b-c', 'f']
 
228
        file_ids = [b'a-id', b'b-id', b'c-id', b'd-id', b'e-id', b'b-c-id', b'f-id']
 
229
        self.build_tree(['tree/' + p for p in paths])
 
230
        tree.set_root_id(b'TREE_ROOT')
 
231
        tree.add([p.rstrip('/') for p in paths], file_ids)
 
232
        tree.commit('initial', rev_id=b'rev-1')
 
233
        revision_id = b'rev-1'
 
234
        # a_packed_stat = dirstate.pack_stat(os.stat('tree/a'))
 
235
        t = self.get_transport('tree')
 
236
        a_text = t.get_bytes('a')
 
237
        a_sha = osutils.sha_string(a_text)
 
238
        a_len = len(a_text)
 
239
        # b_packed_stat = dirstate.pack_stat(os.stat('tree/b'))
 
240
        # c_packed_stat = dirstate.pack_stat(os.stat('tree/b/c'))
 
241
        c_text = t.get_bytes('b/c')
 
242
        c_sha = osutils.sha_string(c_text)
 
243
        c_len = len(c_text)
 
244
        # d_packed_stat = dirstate.pack_stat(os.stat('tree/b/d'))
 
245
        # e_packed_stat = dirstate.pack_stat(os.stat('tree/b/d/e'))
 
246
        e_text = t.get_bytes('b/d/e')
 
247
        e_sha = osutils.sha_string(e_text)
 
248
        e_len = len(e_text)
 
249
        b_c_text = t.get_bytes('b-c')
 
250
        b_c_sha = osutils.sha_string(b_c_text)
 
251
        b_c_len = len(b_c_text)
 
252
        # f_packed_stat = dirstate.pack_stat(os.stat('tree/f'))
 
253
        f_text = t.get_bytes('f')
 
254
        f_sha = osutils.sha_string(f_text)
 
255
        f_len = len(f_text)
 
256
        null_stat = dirstate.DirState.NULLSTAT
 
257
        expected = {
 
258
            b'': ((b'', b'', b'TREE_ROOT'), [
 
259
                  (b'd', b'', 0, False, null_stat),
 
260
                  (b'd', b'', 0, False, revision_id),
 
261
                ]),
 
262
            b'a': ((b'', b'a', b'a-id'), [
 
263
                   (b'f', b'', 0, False, null_stat),
 
264
                   (b'f', a_sha, a_len, False, revision_id),
 
265
                 ]),
 
266
            b'b': ((b'', b'b', b'b-id'), [
 
267
                  (b'd', b'', 0, False, null_stat),
 
268
                  (b'd', b'', 0, False, revision_id),
 
269
                 ]),
 
270
            b'b/c': ((b'b', b'c', b'c-id'), [
 
271
                    (b'f', b'', 0, False, null_stat),
 
272
                    (b'f', c_sha, c_len, False, revision_id),
 
273
                   ]),
 
274
            b'b/d': ((b'b', b'd', b'd-id'), [
 
275
                    (b'd', b'', 0, False, null_stat),
 
276
                    (b'd', b'', 0, False, revision_id),
 
277
                   ]),
 
278
            b'b/d/e': ((b'b/d', b'e', b'e-id'), [
 
279
                      (b'f', b'', 0, False, null_stat),
 
280
                      (b'f', e_sha, e_len, False, revision_id),
 
281
                     ]),
 
282
            b'b-c': ((b'', b'b-c', b'b-c-id'), [
 
283
                      (b'f', b'', 0, False, null_stat),
 
284
                      (b'f', b_c_sha, b_c_len, False, revision_id),
 
285
                     ]),
 
286
            b'f': ((b'', b'f', b'f-id'), [
 
287
                  (b'f', b'', 0, False, null_stat),
 
288
                  (b'f', f_sha, f_len, False, revision_id),
 
289
                 ]),
 
290
        }
 
291
        state = dirstate.DirState.from_tree(tree, 'dirstate')
 
292
        try:
 
293
            state.save()
 
294
        finally:
 
295
            state.unlock()
 
296
        # Use a different object, to make sure nothing is pre-cached in memory.
 
297
        state = dirstate.DirState.on_file('dirstate')
 
298
        state.lock_read()
 
299
        self.addCleanup(state.unlock)
 
300
        self.assertEqual(dirstate.DirState.NOT_IN_MEMORY,
 
301
                         state._dirblock_state)
 
302
        # This is code is only really tested if we actually have to make more
 
303
        # than one read, so set the page size to something smaller.
 
304
        # We want it to contain about 2.2 records, so that we have a couple
 
305
        # records that we can read per attempt
 
306
        state._bisect_page_size = 200
 
307
        return tree, state, expected
 
308
 
 
309
    def create_duplicated_dirstate(self):
 
310
        """Create a dirstate with a deleted and added entries.
 
311
 
 
312
        This grabs a basic_dirstate, and then removes and re adds every entry
 
313
        with a new file id.
 
314
        """
 
315
        tree, state, expected = self.create_basic_dirstate()
 
316
        # Now we will just remove and add every file so we get an extra entry
 
317
        # per entry. Unversion in reverse order so we handle subdirs
 
318
        tree.unversion(['f', 'b-c', 'b/d/e', 'b/d', 'b/c', 'b', 'a'])
 
319
        tree.add(['a', 'b', 'b/c', 'b/d', 'b/d/e', 'b-c', 'f'],
 
320
                 [b'a-id2', b'b-id2', b'c-id2', b'd-id2', b'e-id2', b'b-c-id2', b'f-id2'])
 
321
 
 
322
        # Update the expected dictionary.
 
323
        for path in [b'a', b'b', b'b/c', b'b/d', b'b/d/e', b'b-c', b'f']:
 
324
            orig = expected[path]
 
325
            path2 = path + b'2'
 
326
            # This record was deleted in the current tree
 
327
            expected[path] = (orig[0], [dirstate.DirState.NULL_PARENT_DETAILS,
 
328
                                        orig[1][1]])
 
329
            new_key = (orig[0][0], orig[0][1], orig[0][2]+b'2')
 
330
            # And didn't exist in the basis tree
 
331
            expected[path2] = (new_key, [orig[1][0],
 
332
                                         dirstate.DirState.NULL_PARENT_DETAILS])
 
333
 
 
334
        # We will replace the 'dirstate' file underneath 'state', but that is
 
335
        # okay as lock as we unlock 'state' first.
 
336
        state.unlock()
 
337
        try:
 
338
            new_state = dirstate.DirState.from_tree(tree, 'dirstate')
 
339
            try:
 
340
                new_state.save()
 
341
            finally:
 
342
                new_state.unlock()
 
343
        finally:
 
344
            # But we need to leave state in a read-lock because we already have
 
345
            # a cleanup scheduled
 
346
            state.lock_read()
 
347
        return tree, state, expected
 
348
 
 
349
    def create_renamed_dirstate(self):
 
350
        """Create a dirstate with a few internal renames.
 
351
 
 
352
        This takes the basic dirstate, and moves the paths around.
 
353
        """
 
354
        tree, state, expected = self.create_basic_dirstate()
 
355
        # Rename a file
 
356
        tree.rename_one('a', 'b/g')
 
357
        # And a directory
 
358
        tree.rename_one('b/d', 'h')
 
359
 
 
360
        old_a = expected[b'a']
 
361
        expected[b'a'] = (old_a[0], [(b'r', b'b/g', 0, False, b''), old_a[1][1]])
 
362
        expected[b'b/g'] = ((b'b', b'g', b'a-id'), [old_a[1][0],
 
363
                                                (b'r', b'a', 0, False, b'')])
 
364
        old_d = expected[b'b/d']
 
365
        expected[b'b/d'] = (old_d[0], [(b'r', b'h', 0, False, b''), old_d[1][1]])
 
366
        expected[b'h'] = ((b'', b'h', b'd-id'), [old_d[1][0],
 
367
                                             (b'r', b'b/d', 0, False, b'')])
 
368
 
 
369
        old_e = expected[b'b/d/e']
 
370
        expected[b'b/d/e'] = (old_e[0], [(b'r', b'h/e', 0, False, b''),
 
371
                             old_e[1][1]])
 
372
        expected[b'h/e'] = ((b'h', b'e', b'e-id'), [old_e[1][0],
 
373
                                                (b'r', b'b/d/e', 0, False, b'')])
 
374
 
 
375
        state.unlock()
 
376
        try:
 
377
            new_state = dirstate.DirState.from_tree(tree, 'dirstate')
 
378
            try:
 
379
                new_state.save()
 
380
            finally:
 
381
                new_state.unlock()
 
382
        finally:
 
383
            state.lock_read()
 
384
        return tree, state, expected
 
385
 
 
386
 
 
387
class TestTreeToDirState(TestCaseWithDirState):
 
388
 
 
389
    def test_empty_to_dirstate(self):
 
390
        """We should be able to create a dirstate for an empty tree."""
 
391
        # There are no files on disk and no parents
 
392
        tree = self.make_branch_and_tree('tree')
 
393
        expected_result = ([], [
 
394
            ((b'', b'', tree.get_root_id()), # common details
 
395
             [(b'd', b'', 0, False, dirstate.DirState.NULLSTAT), # current tree
 
396
             ])])
 
397
        state = dirstate.DirState.from_tree(tree, 'dirstate')
 
398
        state._validate()
 
399
        self.check_state_with_reopen(expected_result, state)
 
400
 
 
401
    def test_1_parents_empty_to_dirstate(self):
 
402
        # create a parent by doing a commit
 
403
        tree = self.make_branch_and_tree('tree')
 
404
        rev_id = tree.commit('first post')
 
405
        root_stat_pack = dirstate.pack_stat(os.stat(tree.basedir))
 
406
        expected_result = ([rev_id], [
 
407
            ((b'', b'', tree.get_root_id()), # common details
 
408
             [(b'd', b'', 0, False, dirstate.DirState.NULLSTAT), # current tree
 
409
              (b'd', b'', 0, False, rev_id), # first parent details
 
410
             ])])
 
411
        state = dirstate.DirState.from_tree(tree, 'dirstate')
 
412
        self.check_state_with_reopen(expected_result, state)
 
413
        state.lock_read()
 
414
        try:
 
415
            state._validate()
 
416
        finally:
 
417
            state.unlock()
 
418
 
 
419
    def test_2_parents_empty_to_dirstate(self):
 
420
        # create a parent by doing a commit
 
421
        tree = self.make_branch_and_tree('tree')
 
422
        rev_id = tree.commit('first post')
 
423
        tree2 = tree.controldir.sprout('tree2').open_workingtree()
 
424
        rev_id2 = tree2.commit('second post', allow_pointless=True)
 
425
        tree.merge_from_branch(tree2.branch)
 
426
        expected_result = ([rev_id, rev_id2], [
 
427
            ((b'', b'', tree.get_root_id()), # common details
 
428
             [(b'd', b'', 0, False, dirstate.DirState.NULLSTAT), # current tree
 
429
              (b'd', b'', 0, False, rev_id), # first parent details
 
430
              (b'd', b'', 0, False, rev_id), # second parent details
 
431
             ])])
 
432
        state = dirstate.DirState.from_tree(tree, 'dirstate')
 
433
        self.check_state_with_reopen(expected_result, state)
 
434
        state.lock_read()
 
435
        try:
 
436
            state._validate()
 
437
        finally:
 
438
            state.unlock()
 
439
 
 
440
    def test_empty_unknowns_are_ignored_to_dirstate(self):
 
441
        """We should be able to create a dirstate for an empty tree."""
 
442
        # There are no files on disk and no parents
 
443
        tree = self.make_branch_and_tree('tree')
 
444
        self.build_tree(['tree/unknown'])
 
445
        expected_result = ([], [
 
446
            ((b'', b'', tree.get_root_id()), # common details
 
447
             [(b'd', b'', 0, False, dirstate.DirState.NULLSTAT), # current tree
 
448
             ])])
 
449
        state = dirstate.DirState.from_tree(tree, 'dirstate')
 
450
        self.check_state_with_reopen(expected_result, state)
 
451
 
 
452
    def get_tree_with_a_file(self):
 
453
        tree = self.make_branch_and_tree('tree')
 
454
        self.build_tree(['tree/a file'])
 
455
        tree.add('a file', b'a-file-id')
 
456
        return tree
 
457
 
 
458
    def test_non_empty_no_parents_to_dirstate(self):
 
459
        """We should be able to create a dirstate for an empty tree."""
 
460
        # There are files on disk and no parents
 
461
        tree = self.get_tree_with_a_file()
 
462
        expected_result = ([], [
 
463
            ((b'', b'', tree.get_root_id()), # common details
 
464
             [(b'd', b'', 0, False, dirstate.DirState.NULLSTAT), # current tree
 
465
             ]),
 
466
            ((b'', b'a file', b'a-file-id'), # common
 
467
             [(b'f', b'', 0, False, dirstate.DirState.NULLSTAT), # current
 
468
             ]),
 
469
            ])
 
470
        state = dirstate.DirState.from_tree(tree, 'dirstate')
 
471
        self.check_state_with_reopen(expected_result, state)
 
472
 
 
473
    def test_1_parents_not_empty_to_dirstate(self):
 
474
        # create a parent by doing a commit
 
475
        tree = self.get_tree_with_a_file()
 
476
        rev_id = tree.commit('first post')
 
477
        # change the current content to be different this will alter stat, sha
 
478
        # and length:
 
479
        self.build_tree_contents([('tree/a file', b'new content\n')])
 
480
        expected_result = ([rev_id], [
 
481
            ((b'', b'', tree.get_root_id()), # common details
 
482
             [(b'd', b'', 0, False, dirstate.DirState.NULLSTAT), # current tree
 
483
              (b'd', b'', 0, False, rev_id), # first parent details
 
484
             ]),
 
485
            ((b'', b'a file', b'a-file-id'), # common
 
486
             [(b'f', b'', 0, False, dirstate.DirState.NULLSTAT), # current
 
487
              (b'f', b'c3ed76e4bfd45ff1763ca206055bca8e9fc28aa8', 24, False,
 
488
               rev_id), # first parent
 
489
             ]),
 
490
            ])
 
491
        state = dirstate.DirState.from_tree(tree, 'dirstate')
 
492
        self.check_state_with_reopen(expected_result, state)
 
493
 
 
494
    def test_2_parents_not_empty_to_dirstate(self):
 
495
        # create a parent by doing a commit
 
496
        tree = self.get_tree_with_a_file()
 
497
        rev_id = tree.commit('first post')
 
498
        tree2 = tree.controldir.sprout('tree2').open_workingtree()
 
499
        # change the current content to be different this will alter stat, sha
 
500
        # and length:
 
501
        self.build_tree_contents([('tree2/a file', b'merge content\n')])
 
502
        rev_id2 = tree2.commit('second post')
 
503
        tree.merge_from_branch(tree2.branch)
 
504
        # change the current content to be different this will alter stat, sha
 
505
        # and length again, giving us three distinct values:
 
506
        self.build_tree_contents([('tree/a file', b'new content\n')])
 
507
        expected_result = ([rev_id, rev_id2], [
 
508
            ((b'', b'', tree.get_root_id()), # common details
 
509
             [(b'd', b'', 0, False, dirstate.DirState.NULLSTAT), # current tree
 
510
              (b'd', b'', 0, False, rev_id), # first parent details
 
511
              (b'd', b'', 0, False, rev_id), # second parent details
 
512
             ]),
 
513
            ((b'', b'a file', b'a-file-id'), # common
 
514
             [(b'f', b'', 0, False, dirstate.DirState.NULLSTAT), # current
 
515
              (b'f', b'c3ed76e4bfd45ff1763ca206055bca8e9fc28aa8', 24, False,
 
516
               rev_id), # first parent
 
517
              (b'f', b'314d796174c9412647c3ce07dfb5d36a94e72958', 14, False,
 
518
               rev_id2), # second parent
 
519
             ]),
 
520
            ])
 
521
        state = dirstate.DirState.from_tree(tree, 'dirstate')
 
522
        self.check_state_with_reopen(expected_result, state)
 
523
 
 
524
    def test_colliding_fileids(self):
 
525
        # test insertion of parents creating several entries at the same path.
 
526
        # we used to have a bug where they could cause the dirstate to break
 
527
        # its ordering invariants.
 
528
        # create some trees to test from
 
529
        parents = []
 
530
        for i in range(7):
 
531
            tree = self.make_branch_and_tree('tree%d' % i)
 
532
            self.build_tree(['tree%d/name' % i,])
 
533
            tree.add(['name'], [b'file-id%d' % i])
 
534
            revision_id = b'revid-%d' % i
 
535
            tree.commit('message', rev_id=revision_id)
 
536
            parents.append((revision_id,
 
537
                tree.branch.repository.revision_tree(revision_id)))
 
538
        # now fold these trees into a dirstate
 
539
        state = dirstate.DirState.initialize('dirstate')
 
540
        try:
 
541
            state.set_parent_trees(parents, [])
 
542
            state._validate()
 
543
        finally:
 
544
            state.unlock()
 
545
 
 
546
 
 
547
class TestDirStateOnFile(TestCaseWithDirState):
 
548
 
 
549
    def create_updated_dirstate(self):
 
550
        self.build_tree(['a-file'])
 
551
        tree = self.make_branch_and_tree('.')
 
552
        tree.add(['a-file'], [b'a-id'])
 
553
        tree.commit('add a-file')
 
554
        # Save and unlock the state, re-open it in readonly mode
 
555
        state = dirstate.DirState.from_tree(tree, 'dirstate')
 
556
        state.save()
 
557
        state.unlock()
 
558
        state = dirstate.DirState.on_file('dirstate')
 
559
        state.lock_read()
 
560
        return state
 
561
 
 
562
    def test_construct_with_path(self):
 
563
        tree = self.make_branch_and_tree('tree')
 
564
        state = dirstate.DirState.from_tree(tree, 'dirstate.from_tree')
 
565
        # we want to be able to get the lines of the dirstate that we will
 
566
        # write to disk.
 
567
        lines = state.get_lines()
 
568
        state.unlock()
 
569
        self.build_tree_contents([('dirstate', b''.join(lines))])
 
570
        # get a state object
 
571
        # no parents, default tree content
 
572
        expected_result = ([], [
 
573
            ((b'', b'', tree.get_root_id()), # common details
 
574
             # current tree details, but new from_tree skips statting, it
 
575
             # uses set_state_from_inventory, and thus depends on the
 
576
             # inventory state.
 
577
             [(b'd', b'', 0, False, dirstate.DirState.NULLSTAT),
 
578
             ])
 
579
            ])
 
580
        state = dirstate.DirState.on_file('dirstate')
 
581
        state.lock_write() # check_state_with_reopen will save() and unlock it
 
582
        self.check_state_with_reopen(expected_result, state)
 
583
 
 
584
    def test_can_save_clean_on_file(self):
 
585
        tree = self.make_branch_and_tree('tree')
 
586
        state = dirstate.DirState.from_tree(tree, 'dirstate')
 
587
        try:
 
588
            # doing a save should work here as there have been no changes.
 
589
            state.save()
 
590
            # TODO: stat it and check it hasn't changed; may require waiting
 
591
            # for the state accuracy window.
 
592
        finally:
 
593
            state.unlock()
 
594
 
 
595
    def test_can_save_in_read_lock(self):
 
596
        state = self.create_updated_dirstate()
 
597
        try:
 
598
            entry = state._get_entry(0, path_utf8=b'a-file')
 
599
            # The current size should be 0 (default)
 
600
            self.assertEqual(0, entry[1][0][2])
 
601
            # We should have a real entry.
 
602
            self.assertNotEqual((None, None), entry)
 
603
            # Set the cutoff-time into the future, so things look cacheable
 
604
            state._sha_cutoff_time()
 
605
            state._cutoff_time += 10.0
 
606
            st = os.lstat('a-file')
 
607
            sha1sum = dirstate.update_entry(state, entry, 'a-file', st)
 
608
            # We updated the current sha1sum because the file is cacheable
 
609
            self.assertEqual(b'ecc5374e9ed82ad3ea3b4d452ea995a5fd3e70e3',
 
610
                             sha1sum)
 
611
 
 
612
            # The dirblock has been updated
 
613
            self.assertEqual(st.st_size, entry[1][0][2])
 
614
            self.assertEqual(dirstate.DirState.IN_MEMORY_HASH_MODIFIED,
 
615
                             state._dirblock_state)
 
616
 
 
617
            del entry
 
618
            # Now, since we are the only one holding a lock, we should be able
 
619
            # to save and have it written to disk
 
620
            state.save()
 
621
        finally:
 
622
            state.unlock()
 
623
 
 
624
        # Re-open the file, and ensure that the state has been updated.
 
625
        state = dirstate.DirState.on_file('dirstate')
 
626
        state.lock_read()
 
627
        try:
 
628
            entry = state._get_entry(0, path_utf8=b'a-file')
 
629
            self.assertEqual(st.st_size, entry[1][0][2])
 
630
        finally:
 
631
            state.unlock()
 
632
 
 
633
    def test_save_fails_quietly_if_locked(self):
 
634
        """If dirstate is locked, save will fail without complaining."""
 
635
        state = self.create_updated_dirstate()
 
636
        try:
 
637
            entry = state._get_entry(0, path_utf8=b'a-file')
 
638
            # No cached sha1 yet.
 
639
            self.assertEqual(b'', entry[1][0][1])
 
640
            # Set the cutoff-time into the future, so things look cacheable
 
641
            state._sha_cutoff_time()
 
642
            state._cutoff_time += 10.0
 
643
            st = os.lstat('a-file')
 
644
            sha1sum = dirstate.update_entry(state, entry, 'a-file', st)
 
645
            self.assertEqual(b'ecc5374e9ed82ad3ea3b4d452ea995a5fd3e70e3',
 
646
                             sha1sum)
 
647
            self.assertEqual(dirstate.DirState.IN_MEMORY_HASH_MODIFIED,
 
648
                             state._dirblock_state)
 
649
 
 
650
            # Now, before we try to save, grab another dirstate, and take out a
 
651
            # read lock.
 
652
            # TODO: jam 20070315 Ideally this would be locked by another
 
653
            #       process. To make sure the file is really OS locked.
 
654
            state2 = dirstate.DirState.on_file('dirstate')
 
655
            state2.lock_read()
 
656
            try:
 
657
                # This won't actually write anything, because it couldn't grab
 
658
                # a write lock. But it shouldn't raise an error, either.
 
659
                # TODO: jam 20070315 We should probably distinguish between
 
660
                #       being dirty because of 'update_entry'. And dirty
 
661
                #       because of real modification. So that save() *does*
 
662
                #       raise a real error if it fails when we have real
 
663
                #       modifications.
 
664
                state.save()
 
665
            finally:
 
666
                state2.unlock()
 
667
        finally:
 
668
            state.unlock()
 
669
 
 
670
        # The file on disk should not be modified.
 
671
        state = dirstate.DirState.on_file('dirstate')
 
672
        state.lock_read()
 
673
        try:
 
674
            entry = state._get_entry(0, path_utf8=b'a-file')
 
675
            self.assertEqual(b'', entry[1][0][1])
 
676
        finally:
 
677
            state.unlock()
 
678
 
 
679
    def test_save_refuses_if_changes_aborted(self):
 
680
        self.build_tree(['a-file', 'a-dir/'])
 
681
        state = dirstate.DirState.initialize('dirstate')
 
682
        try:
 
683
            # No stat and no sha1 sum.
 
684
            state.add('a-file', b'a-file-id', 'file', None, b'')
 
685
            state.save()
 
686
        finally:
 
687
            state.unlock()
 
688
 
 
689
        # The dirstate should include TREE_ROOT and 'a-file' and nothing else
 
690
        expected_blocks = [
 
691
            (b'', [((b'', b'', b'TREE_ROOT'),
 
692
                   [(b'd', b'', 0, False, dirstate.DirState.NULLSTAT)])]),
 
693
            (b'', [((b'', b'a-file', b'a-file-id'),
 
694
                   [(b'f', b'', 0, False, dirstate.DirState.NULLSTAT)])]),
 
695
        ]
 
696
 
 
697
        state = dirstate.DirState.on_file('dirstate')
 
698
        state.lock_write()
 
699
        try:
 
700
            state._read_dirblocks_if_needed()
 
701
            self.assertEqual(expected_blocks, state._dirblocks)
 
702
 
 
703
            # Now modify the state, but mark it as inconsistent
 
704
            state.add('a-dir', b'a-dir-id', 'directory', None, b'')
 
705
            state._changes_aborted = True
 
706
            state.save()
 
707
        finally:
 
708
            state.unlock()
 
709
 
 
710
        state = dirstate.DirState.on_file('dirstate')
 
711
        state.lock_read()
 
712
        try:
 
713
            state._read_dirblocks_if_needed()
 
714
            self.assertEqual(expected_blocks, state._dirblocks)
 
715
        finally:
 
716
            state.unlock()
 
717
 
 
718
 
 
719
class TestDirStateInitialize(TestCaseWithDirState):
 
720
 
 
721
    def test_initialize(self):
 
722
        expected_result = ([], [
 
723
            ((b'', b'', b'TREE_ROOT'), # common details
 
724
             [(b'd', b'', 0, False, dirstate.DirState.NULLSTAT), # current tree
 
725
             ])
 
726
            ])
 
727
        state = dirstate.DirState.initialize('dirstate')
 
728
        try:
 
729
            self.assertIsInstance(state, dirstate.DirState)
 
730
            lines = state.get_lines()
 
731
        finally:
 
732
            state.unlock()
 
733
        # On win32 you can't read from a locked file, even within the same
 
734
        # process. So we have to unlock and release before we check the file
 
735
        # contents.
 
736
        self.assertFileEqual(b''.join(lines), 'dirstate')
 
737
        state.lock_read() # check_state_with_reopen will unlock
 
738
        self.check_state_with_reopen(expected_result, state)
 
739
 
 
740
 
 
741
class TestDirStateManipulations(TestCaseWithDirState):
 
742
 
 
743
    def make_minimal_tree(self):
 
744
        tree1 = self.make_branch_and_memory_tree('tree1')
 
745
        tree1.lock_write()
 
746
        self.addCleanup(tree1.unlock)
 
747
        tree1.add('')
 
748
        revid1 = tree1.commit('foo')
 
749
        return tree1, revid1
 
750
 
 
751
    def test_update_minimal_updates_id_index(self):
 
752
        state = self.create_dirstate_with_root_and_subdir()
 
753
        self.addCleanup(state.unlock)
 
754
        id_index = state._get_id_index()
 
755
        self.assertEqual([b'a-root-value', b'subdir-id'], sorted(id_index))
 
756
        state.add('file-name', b'file-id', 'file', None, '')
 
757
        self.assertEqual([b'a-root-value', b'file-id', b'subdir-id'],
 
758
                         sorted(id_index))
 
759
        state.update_minimal((b'', b'new-name', b'file-id'), b'f',
 
760
                             path_utf8=b'new-name')
 
761
        self.assertEqual([b'a-root-value', b'file-id', b'subdir-id'],
 
762
                         sorted(id_index))
 
763
        self.assertEqual([(b'', b'new-name', b'file-id')],
 
764
                         sorted(id_index[b'file-id']))
 
765
        state._validate()
 
766
 
 
767
    def test_set_state_from_inventory_no_content_no_parents(self):
 
768
        # setting the current inventory is a slow but important api to support.
 
769
        tree1, revid1 = self.make_minimal_tree()
 
770
        inv = tree1.root_inventory
 
771
        root_id = inv.path2id('')
 
772
        expected_result = [], [
 
773
            ((b'', b'', root_id), [
 
774
             (b'd', b'', 0, False, dirstate.DirState.NULLSTAT)])]
 
775
        state = dirstate.DirState.initialize('dirstate')
 
776
        try:
 
777
            state.set_state_from_inventory(inv)
 
778
            self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
 
779
                             state._header_state)
 
780
            self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
 
781
                             state._dirblock_state)
 
782
        except:
 
783
            state.unlock()
 
784
            raise
 
785
        else:
 
786
            # This will unlock it
 
787
            self.check_state_with_reopen(expected_result, state)
 
788
 
 
789
    def test_set_state_from_scratch_no_parents(self):
 
790
        tree1, revid1 = self.make_minimal_tree()
 
791
        inv = tree1.root_inventory
 
792
        root_id = inv.path2id('')
 
793
        expected_result = [], [
 
794
            ((b'', b'', root_id), [
 
795
             (b'd', b'', 0, False, dirstate.DirState.NULLSTAT)])]
 
796
        state = dirstate.DirState.initialize('dirstate')
 
797
        try:
 
798
            state.set_state_from_scratch(inv, [], [])
 
799
            self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
 
800
                             state._header_state)
 
801
            self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
 
802
                             state._dirblock_state)
 
803
        except:
 
804
            state.unlock()
 
805
            raise
 
806
        else:
 
807
            # This will unlock it
 
808
            self.check_state_with_reopen(expected_result, state)
 
809
 
 
810
    def test_set_state_from_scratch_identical_parent(self):
 
811
        tree1, revid1 = self.make_minimal_tree()
 
812
        inv = tree1.root_inventory
 
813
        root_id = inv.path2id('')
 
814
        rev_tree1 = tree1.branch.repository.revision_tree(revid1)
 
815
        d_entry = (b'd', b'', 0, False, dirstate.DirState.NULLSTAT)
 
816
        parent_entry = (b'd', b'', 0, False, revid1)
 
817
        expected_result = [revid1], [
 
818
            ((b'', b'', root_id), [d_entry, parent_entry])]
 
819
        state = dirstate.DirState.initialize('dirstate')
 
820
        try:
 
821
            state.set_state_from_scratch(inv, [(revid1, rev_tree1)], [])
 
822
            self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
 
823
                             state._header_state)
 
824
            self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
 
825
                             state._dirblock_state)
 
826
        except:
 
827
            state.unlock()
 
828
            raise
 
829
        else:
 
830
            # This will unlock it
 
831
            self.check_state_with_reopen(expected_result, state)
 
832
 
 
833
    def test_set_state_from_inventory_preserves_hashcache(self):
 
834
        # https://bugs.launchpad.net/bzr/+bug/146176
 
835
        # set_state_from_inventory should preserve the stat and hash value for
 
836
        # workingtree files that are not changed by the inventory.
 
837
 
 
838
        tree = self.make_branch_and_tree('.')
 
839
        # depends on the default format using dirstate...
 
840
        with tree.lock_write():
 
841
            # make a dirstate with some valid hashcache data
 
842
            # file on disk, but that's not needed for this test
 
843
            foo_contents = b'contents of foo'
 
844
            self.build_tree_contents([('foo', foo_contents)])
 
845
            tree.add('foo', b'foo-id')
 
846
 
 
847
            foo_stat = os.stat('foo')
 
848
            foo_packed = dirstate.pack_stat(foo_stat)
 
849
            foo_sha = osutils.sha_string(foo_contents)
 
850
            foo_size = len(foo_contents)
 
851
 
 
852
            # should not be cached yet, because the file's too fresh
 
853
            self.assertEqual(
 
854
                ((b'', b'foo', b'foo-id',),
 
855
                 [(b'f', b'', 0, False, dirstate.DirState.NULLSTAT)]),
 
856
                tree._dirstate._get_entry(0, b'foo-id'))
 
857
            # poke in some hashcache information - it wouldn't normally be
 
858
            # stored because it's too fresh
 
859
            tree._dirstate.update_minimal(
 
860
                (b'', b'foo', b'foo-id'),
 
861
                b'f', False, foo_sha, foo_packed, foo_size, b'foo')
 
862
            # now should be cached
 
863
            self.assertEqual(
 
864
                ((b'', b'foo', b'foo-id',),
 
865
                 [(b'f', foo_sha, foo_size, False, foo_packed)]),
 
866
                tree._dirstate._get_entry(0, b'foo-id'))
 
867
 
 
868
            # extract the inventory, and add something to it
 
869
            inv = tree._get_root_inventory()
 
870
            # should see the file we poked in...
 
871
            self.assertTrue(inv.has_id(b'foo-id'))
 
872
            self.assertTrue(inv.has_filename('foo'))
 
873
            inv.add_path('bar', 'file', b'bar-id')
 
874
            tree._dirstate._validate()
 
875
            # this used to cause it to lose its hashcache
 
876
            tree._dirstate.set_state_from_inventory(inv)
 
877
            tree._dirstate._validate()
 
878
 
 
879
        with tree.lock_read():
 
880
            # now check that the state still has the original hashcache value
 
881
            state = tree._dirstate
 
882
            state._validate()
 
883
            foo_tuple = state._get_entry(0, path_utf8=b'foo')
 
884
            self.assertEqual(
 
885
                ((b'', b'foo', b'foo-id',),
 
886
                 [(b'f', foo_sha, len(foo_contents), False,
 
887
                   dirstate.pack_stat(foo_stat))]),
 
888
                foo_tuple)
 
889
 
 
890
    def test_set_state_from_inventory_mixed_paths(self):
 
891
        tree1 = self.make_branch_and_tree('tree1')
 
892
        self.build_tree(['tree1/a/', 'tree1/a/b/', 'tree1/a-b/',
 
893
                         'tree1/a/b/foo', 'tree1/a-b/bar'])
 
894
        tree1.lock_write()
 
895
        try:
 
896
            tree1.add(['a', 'a/b', 'a-b', 'a/b/foo', 'a-b/bar'],
 
897
                      [b'a-id', b'b-id', b'a-b-id', b'foo-id', b'bar-id'])
 
898
            tree1.commit('rev1', rev_id=b'rev1')
 
899
            root_id = tree1.get_root_id()
 
900
            inv = tree1.root_inventory
 
901
        finally:
 
902
            tree1.unlock()
 
903
        expected_result1 = [(b'', b'', root_id, b'd'),
 
904
                            (b'', b'a', b'a-id', b'd'),
 
905
                            (b'', b'a-b', b'a-b-id', b'd'),
 
906
                            (b'a', b'b', b'b-id', b'd'),
 
907
                            (b'a/b', b'foo', b'foo-id', b'f'),
 
908
                            (b'a-b', b'bar', b'bar-id', b'f'),
 
909
                           ]
 
910
        expected_result2 = [(b'', b'', root_id, b'd'),
 
911
                            (b'', b'a', b'a-id', b'd'),
 
912
                            (b'', b'a-b', b'a-b-id', b'd'),
 
913
                            (b'a-b', b'bar', b'bar-id', b'f'),
 
914
                           ]
 
915
        state = dirstate.DirState.initialize('dirstate')
 
916
        try:
 
917
            state.set_state_from_inventory(inv)
 
918
            values = []
 
919
            for entry in state._iter_entries():
 
920
                values.append(entry[0] + entry[1][0][:1])
 
921
            self.assertEqual(expected_result1, values)
 
922
            inv.delete(b'b-id')
 
923
            state.set_state_from_inventory(inv)
 
924
            values = []
 
925
            for entry in state._iter_entries():
 
926
                values.append(entry[0] + entry[1][0][:1])
 
927
            self.assertEqual(expected_result2, values)
 
928
        finally:
 
929
            state.unlock()
 
930
 
 
931
    def test_set_path_id_no_parents(self):
 
932
        """The id of a path can be changed trivally with no parents."""
 
933
        state = dirstate.DirState.initialize('dirstate')
 
934
        try:
 
935
            # check precondition to be sure the state does change appropriately.
 
936
            root_entry = ((b'', b'', b'TREE_ROOT'), [(b'd', b'', 0, False, b'x'*32)])
 
937
            self.assertEqual([root_entry], list(state._iter_entries()))
 
938
            self.assertEqual(root_entry, state._get_entry(0, path_utf8=b''))
 
939
            self.assertEqual(root_entry,
 
940
                             state._get_entry(0, fileid_utf8=b'TREE_ROOT'))
 
941
            self.assertEqual((None, None),
 
942
                             state._get_entry(0, fileid_utf8=b'second-root-id'))
 
943
            state.set_path_id(b'', b'second-root-id')
 
944
            new_root_entry = ((b'', b'', b'second-root-id'),
 
945
                              [(b'd', b'', 0, False, b'x'*32)])
 
946
            expected_rows = [new_root_entry]
 
947
            self.assertEqual(expected_rows, list(state._iter_entries()))
 
948
            self.assertEqual(new_root_entry, state._get_entry(0, path_utf8=b''))
 
949
            self.assertEqual(new_root_entry,
 
950
                             state._get_entry(0, fileid_utf8=b'second-root-id'))
 
951
            self.assertEqual((None, None),
 
952
                             state._get_entry(0, fileid_utf8=b'TREE_ROOT'))
 
953
            # should work across save too
 
954
            state.save()
 
955
        finally:
 
956
            state.unlock()
 
957
        state = dirstate.DirState.on_file('dirstate')
 
958
        state.lock_read()
 
959
        try:
 
960
            state._validate()
 
961
            self.assertEqual(expected_rows, list(state._iter_entries()))
 
962
        finally:
 
963
            state.unlock()
 
964
 
 
965
    def test_set_path_id_with_parents(self):
 
966
        """Set the root file id in a dirstate with parents"""
 
967
        mt = self.make_branch_and_tree('mt')
 
968
        # in case the default tree format uses a different root id
 
969
        mt.set_root_id(b'TREE_ROOT')
 
970
        mt.commit('foo', rev_id=b'parent-revid')
 
971
        rt = mt.branch.repository.revision_tree(b'parent-revid')
 
972
        state = dirstate.DirState.initialize('dirstate')
 
973
        state._validate()
 
974
        try:
 
975
            state.set_parent_trees([(b'parent-revid', rt)], ghosts=[])
 
976
            root_entry = ((b'', b'', b'TREE_ROOT'),
 
977
                          [(b'd', b'', 0, False, b'x'*32),
 
978
                           (b'd', b'', 0, False, b'parent-revid')])
 
979
            self.assertEqual(root_entry, state._get_entry(0, path_utf8=b''))
 
980
            self.assertEqual(root_entry,
 
981
                             state._get_entry(0, fileid_utf8=b'TREE_ROOT'))
 
982
            self.assertEqual((None, None),
 
983
                             state._get_entry(0, fileid_utf8=b'Asecond-root-id'))
 
984
            state.set_path_id(b'', b'Asecond-root-id')
 
985
            state._validate()
 
986
            # now see that it is what we expected
 
987
            old_root_entry = ((b'', b'', b'TREE_ROOT'),
 
988
                              [(b'a', b'', 0, False, b''),
 
989
                               (b'd', b'', 0, False, b'parent-revid')])
 
990
            new_root_entry = ((b'', b'', b'Asecond-root-id'),
 
991
                              [(b'd', b'', 0, False, b''),
 
992
                               (b'a', b'', 0, False, b'')])
 
993
            expected_rows = [new_root_entry, old_root_entry]
 
994
            state._validate()
 
995
            self.assertEqual(expected_rows, list(state._iter_entries()))
 
996
            self.assertEqual(new_root_entry, state._get_entry(0, path_utf8=b''))
 
997
            self.assertEqual(old_root_entry, state._get_entry(1, path_utf8=b''))
 
998
            self.assertEqual((None, None),
 
999
                             state._get_entry(0, fileid_utf8=b'TREE_ROOT'))
 
1000
            self.assertEqual(old_root_entry,
 
1001
                             state._get_entry(1, fileid_utf8=b'TREE_ROOT'))
 
1002
            self.assertEqual(new_root_entry,
 
1003
                             state._get_entry(0, fileid_utf8=b'Asecond-root-id'))
 
1004
            self.assertEqual((None, None),
 
1005
                             state._get_entry(1, fileid_utf8=b'Asecond-root-id'))
 
1006
            # should work across save too
 
1007
            state.save()
 
1008
        finally:
 
1009
            state.unlock()
 
1010
        # now flush & check we get the same
 
1011
        state = dirstate.DirState.on_file('dirstate')
 
1012
        state.lock_read()
 
1013
        try:
 
1014
            state._validate()
 
1015
            self.assertEqual(expected_rows, list(state._iter_entries()))
 
1016
        finally:
 
1017
            state.unlock()
 
1018
        # now change within an existing file-backed state
 
1019
        state.lock_write()
 
1020
        try:
 
1021
            state._validate()
 
1022
            state.set_path_id(b'', b'tree-root-2')
 
1023
            state._validate()
 
1024
        finally:
 
1025
            state.unlock()
 
1026
 
 
1027
    def test_set_parent_trees_no_content(self):
 
1028
        # set_parent_trees is a slow but important api to support.
 
1029
        tree1 = self.make_branch_and_memory_tree('tree1')
 
1030
        tree1.lock_write()
 
1031
        try:
 
1032
            tree1.add('')
 
1033
            revid1 = tree1.commit('foo')
 
1034
        finally:
 
1035
            tree1.unlock()
 
1036
        branch2 = tree1.branch.controldir.clone('tree2').open_branch()
 
1037
        tree2 = memorytree.MemoryTree.create_on_branch(branch2)
 
1038
        tree2.lock_write()
 
1039
        try:
 
1040
            revid2 = tree2.commit('foo')
 
1041
            root_id = tree2.get_root_id()
 
1042
        finally:
 
1043
            tree2.unlock()
 
1044
        state = dirstate.DirState.initialize('dirstate')
 
1045
        try:
 
1046
            state.set_path_id(b'', root_id)
 
1047
            state.set_parent_trees(
 
1048
                ((revid1, tree1.branch.repository.revision_tree(revid1)),
 
1049
                 (revid2, tree2.branch.repository.revision_tree(revid2)),
 
1050
                 (b'ghost-rev', None)),
 
1051
                [b'ghost-rev'])
 
1052
            # check we can reopen and use the dirstate after setting parent
 
1053
            # trees.
 
1054
            state._validate()
 
1055
            state.save()
 
1056
            state._validate()
 
1057
        finally:
 
1058
            state.unlock()
 
1059
        state = dirstate.DirState.on_file('dirstate')
 
1060
        state.lock_write()
 
1061
        try:
 
1062
            self.assertEqual([revid1, revid2, b'ghost-rev'],
 
1063
                             state.get_parent_ids())
 
1064
            # iterating the entire state ensures that the state is parsable.
 
1065
            list(state._iter_entries())
 
1066
            # be sure that it sets not appends - change it
 
1067
            state.set_parent_trees(
 
1068
                ((revid1, tree1.branch.repository.revision_tree(revid1)),
 
1069
                 (b'ghost-rev', None)),
 
1070
                [b'ghost-rev'])
 
1071
            # and now put it back.
 
1072
            state.set_parent_trees(
 
1073
                ((revid1, tree1.branch.repository.revision_tree(revid1)),
 
1074
                 (revid2, tree2.branch.repository.revision_tree(revid2)),
 
1075
                 (b'ghost-rev', tree2.branch.repository.revision_tree(
 
1076
                                   _mod_revision.NULL_REVISION))),
 
1077
                [b'ghost-rev'])
 
1078
            self.assertEqual([revid1, revid2, b'ghost-rev'],
 
1079
                             state.get_parent_ids())
 
1080
            # the ghost should be recorded as such by set_parent_trees.
 
1081
            self.assertEqual([b'ghost-rev'], state.get_ghosts())
 
1082
            self.assertEqual(
 
1083
                [((b'', b'', root_id), [
 
1084
                  (b'd', b'', 0, False, dirstate.DirState.NULLSTAT),
 
1085
                  (b'd', b'', 0, False, revid1),
 
1086
                  (b'd', b'', 0, False, revid1)
 
1087
                  ])],
 
1088
                list(state._iter_entries()))
 
1089
        finally:
 
1090
            state.unlock()
 
1091
 
 
1092
    def test_set_parent_trees_file_missing_from_tree(self):
 
1093
        # Adding a parent tree may reference files not in the current state.
 
1094
        # they should get listed just once by id, even if they are in two
 
1095
        # separate trees.
 
1096
        # set_parent_trees is a slow but important api to support.
 
1097
        tree1 = self.make_branch_and_memory_tree('tree1')
 
1098
        tree1.lock_write()
 
1099
        try:
 
1100
            tree1.add('')
 
1101
            tree1.add(['a file'], [b'file-id'], ['file'])
 
1102
            tree1.put_file_bytes_non_atomic('a file', b'file-content')
 
1103
            revid1 = tree1.commit('foo')
 
1104
        finally:
 
1105
            tree1.unlock()
 
1106
        branch2 = tree1.branch.controldir.clone('tree2').open_branch()
 
1107
        tree2 = memorytree.MemoryTree.create_on_branch(branch2)
 
1108
        tree2.lock_write()
 
1109
        try:
 
1110
            tree2.put_file_bytes_non_atomic('a file', b'new file-content')
 
1111
            revid2 = tree2.commit('foo')
 
1112
            root_id = tree2.get_root_id()
 
1113
        finally:
 
1114
            tree2.unlock()
 
1115
        # check the layout in memory
 
1116
        expected_result = [revid1, revid2], [
 
1117
            ((b'', b'', root_id), [
 
1118
             (b'd', b'', 0, False, dirstate.DirState.NULLSTAT),
 
1119
             (b'd', b'', 0, False, revid1),
 
1120
             (b'd', b'', 0, False, revid1)
 
1121
             ]),
 
1122
            ((b'', b'a file', b'file-id'), [
 
1123
             (b'a', b'', 0, False, b''),
 
1124
             (b'f', b'2439573625385400f2a669657a7db6ae7515d371', 12, False,
 
1125
              revid1),
 
1126
             (b'f', b'542e57dc1cda4af37cb8e55ec07ce60364bb3c7d', 16, False,
 
1127
              revid2)
 
1128
             ])
 
1129
            ]
 
1130
        state = dirstate.DirState.initialize('dirstate')
 
1131
        try:
 
1132
            state.set_path_id(b'', root_id)
 
1133
            state.set_parent_trees(
 
1134
                ((revid1, tree1.branch.repository.revision_tree(revid1)),
 
1135
                 (revid2, tree2.branch.repository.revision_tree(revid2)),
 
1136
                 ), [])
 
1137
        except:
 
1138
            state.unlock()
 
1139
            raise
 
1140
        else:
 
1141
            # check_state_with_reopen will unlock
 
1142
            self.check_state_with_reopen(expected_result, state)
 
1143
 
 
1144
    ### add a path via _set_data - so we dont need delta work, just
 
1145
    # raw data in, and ensure that it comes out via get_lines happily.
 
1146
 
 
1147
    def test_add_path_to_root_no_parents_all_data(self):
 
1148
        # The most trivial addition of a path is when there are no parents and
 
1149
        # its in the root and all data about the file is supplied
 
1150
        self.build_tree(['a file'])
 
1151
        stat = os.lstat('a file')
 
1152
        # the 1*20 is the sha1 pretend value.
 
1153
        state = dirstate.DirState.initialize('dirstate')
 
1154
        expected_entries = [
 
1155
            ((b'', b'', b'TREE_ROOT'), [
 
1156
             (b'd', b'', 0, False, dirstate.DirState.NULLSTAT), # current tree
 
1157
             ]),
 
1158
            ((b'', b'a file', b'a-file-id'), [
 
1159
             (b'f', b'1'*20, 19, False, dirstate.pack_stat(stat)), # current tree
 
1160
             ]),
 
1161
            ]
 
1162
        try:
 
1163
            state.add('a file', b'a-file-id', 'file', stat, b'1'*20)
 
1164
            # having added it, it should be in the output of iter_entries.
 
1165
            self.assertEqual(expected_entries, list(state._iter_entries()))
 
1166
            # saving and reloading should not affect this.
 
1167
            state.save()
 
1168
        finally:
 
1169
            state.unlock()
 
1170
        state = dirstate.DirState.on_file('dirstate')
 
1171
        state.lock_read()
 
1172
        self.addCleanup(state.unlock)
 
1173
        self.assertEqual(expected_entries, list(state._iter_entries()))
 
1174
 
 
1175
    def test_add_path_to_unversioned_directory(self):
 
1176
        """Adding a path to an unversioned directory should error.
 
1177
 
 
1178
        This is a duplicate of TestWorkingTree.test_add_in_unversioned,
 
1179
        once dirstate is stable and if it is merged with WorkingTree3, consider
 
1180
        removing this copy of the test.
 
1181
        """
 
1182
        self.build_tree(['unversioned/', 'unversioned/a file'])
 
1183
        state = dirstate.DirState.initialize('dirstate')
 
1184
        self.addCleanup(state.unlock)
 
1185
        self.assertRaises(errors.NotVersionedError, state.add,
 
1186
                          'unversioned/a file', b'a-file-id', 'file', None, None)
 
1187
 
 
1188
    def test_add_directory_to_root_no_parents_all_data(self):
 
1189
        # The most trivial addition of a dir is when there are no parents and
 
1190
        # its in the root and all data about the file is supplied
 
1191
        self.build_tree(['a dir/'])
 
1192
        stat = os.lstat('a dir')
 
1193
        expected_entries = [
 
1194
            ((b'', b'', b'TREE_ROOT'), [
 
1195
             (b'd', b'', 0, False, dirstate.DirState.NULLSTAT), # current tree
 
1196
             ]),
 
1197
            ((b'', b'a dir', b'a dir id'), [
 
1198
             (b'd', b'', 0, False, dirstate.pack_stat(stat)), # current tree
 
1199
             ]),
 
1200
            ]
 
1201
        state = dirstate.DirState.initialize('dirstate')
 
1202
        try:
 
1203
            state.add('a dir', b'a dir id', 'directory', stat, None)
 
1204
            # having added it, it should be in the output of iter_entries.
 
1205
            self.assertEqual(expected_entries, list(state._iter_entries()))
 
1206
            # saving and reloading should not affect this.
 
1207
            state.save()
 
1208
        finally:
 
1209
            state.unlock()
 
1210
        state = dirstate.DirState.on_file('dirstate')
 
1211
        state.lock_read()
 
1212
        self.addCleanup(state.unlock)
 
1213
        state._validate()
 
1214
        self.assertEqual(expected_entries, list(state._iter_entries()))
 
1215
 
 
1216
    def _test_add_symlink_to_root_no_parents_all_data(self, link_name, target):
 
1217
        # The most trivial addition of a symlink when there are no parents and
 
1218
        # its in the root and all data about the file is supplied
 
1219
        # bzr doesn't support fake symlinks on windows, yet.
 
1220
        self.requireFeature(features.SymlinkFeature)
 
1221
        os.symlink(target, link_name)
 
1222
        stat = os.lstat(link_name)
 
1223
        expected_entries = [
 
1224
            ((b'', b'', b'TREE_ROOT'), [
 
1225
             (b'd', b'', 0, False, dirstate.DirState.NULLSTAT), # current tree
 
1226
             ]),
 
1227
            ((b'', link_name.encode('UTF-8'), b'a link id'), [
 
1228
             (b'l', target.encode('UTF-8'), stat[6],
 
1229
              False, dirstate.pack_stat(stat)), # current tree
 
1230
             ]),
 
1231
            ]
 
1232
        state = dirstate.DirState.initialize('dirstate')
 
1233
        try:
 
1234
            state.add(link_name, b'a link id', 'symlink', stat,
 
1235
                      target.encode('UTF-8'))
 
1236
            # having added it, it should be in the output of iter_entries.
 
1237
            self.assertEqual(expected_entries, list(state._iter_entries()))
 
1238
            # saving and reloading should not affect this.
 
1239
            state.save()
 
1240
        finally:
 
1241
            state.unlock()
 
1242
        state = dirstate.DirState.on_file('dirstate')
 
1243
        state.lock_read()
 
1244
        self.addCleanup(state.unlock)
 
1245
        self.assertEqual(expected_entries, list(state._iter_entries()))
 
1246
 
 
1247
    def test_add_symlink_to_root_no_parents_all_data(self):
 
1248
        self._test_add_symlink_to_root_no_parents_all_data(u'a link', u'target')
 
1249
 
 
1250
    def test_add_symlink_unicode_to_root_no_parents_all_data(self):
 
1251
        self.requireFeature(features.UnicodeFilenameFeature)
 
1252
        self._test_add_symlink_to_root_no_parents_all_data(
 
1253
            u'\N{Euro Sign}link', u'targ\N{Euro Sign}et')
 
1254
 
 
1255
    def test_add_directory_and_child_no_parents_all_data(self):
 
1256
        # after adding a directory, we should be able to add children to it.
 
1257
        self.build_tree(['a dir/', 'a dir/a file'])
 
1258
        dirstat = os.lstat('a dir')
 
1259
        filestat = os.lstat('a dir/a file')
 
1260
        expected_entries = [
 
1261
            ((b'', b'', b'TREE_ROOT'), [
 
1262
             (b'd', b'', 0, False, dirstate.DirState.NULLSTAT), # current tree
 
1263
             ]),
 
1264
            ((b'', b'a dir', b'a dir id'), [
 
1265
             (b'd', b'', 0, False, dirstate.pack_stat(dirstat)), # current tree
 
1266
             ]),
 
1267
            ((b'a dir', b'a file', b'a-file-id'), [
 
1268
             (b'f', b'1'*20, 25, False,
 
1269
              dirstate.pack_stat(filestat)), # current tree details
 
1270
             ]),
 
1271
            ]
 
1272
        state = dirstate.DirState.initialize('dirstate')
 
1273
        try:
 
1274
            state.add('a dir', b'a dir id', 'directory', dirstat, None)
 
1275
            state.add('a dir/a file', b'a-file-id', 'file', filestat, b'1'*20)
 
1276
            # added it, it should be in the output of iter_entries.
 
1277
            self.assertEqual(expected_entries, list(state._iter_entries()))
 
1278
            # saving and reloading should not affect this.
 
1279
            state.save()
 
1280
        finally:
 
1281
            state.unlock()
 
1282
        state = dirstate.DirState.on_file('dirstate')
 
1283
        state.lock_read()
 
1284
        self.addCleanup(state.unlock)
 
1285
        self.assertEqual(expected_entries, list(state._iter_entries()))
 
1286
 
 
1287
    def test_add_tree_reference(self):
 
1288
        # make a dirstate and add a tree reference
 
1289
        state = dirstate.DirState.initialize('dirstate')
 
1290
        expected_entry = (
 
1291
            (b'', b'subdir', b'subdir-id'),
 
1292
            [(b't', b'subtree-123123', 0, False,
 
1293
              b'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx')],
 
1294
            )
 
1295
        try:
 
1296
            state.add('subdir', b'subdir-id', 'tree-reference', None, b'subtree-123123')
 
1297
            entry = state._get_entry(0, b'subdir-id', b'subdir')
 
1298
            self.assertEqual(entry, expected_entry)
 
1299
            state._validate()
 
1300
            state.save()
 
1301
        finally:
 
1302
            state.unlock()
 
1303
        # now check we can read it back
 
1304
        state.lock_read()
 
1305
        self.addCleanup(state.unlock)
 
1306
        state._validate()
 
1307
        entry2 = state._get_entry(0, b'subdir-id', b'subdir')
 
1308
        self.assertEqual(entry, entry2)
 
1309
        self.assertEqual(entry, expected_entry)
 
1310
        # and lookup by id should work too
 
1311
        entry2 = state._get_entry(0, fileid_utf8=b'subdir-id')
 
1312
        self.assertEqual(entry, expected_entry)
 
1313
 
 
1314
    def test_add_forbidden_names(self):
 
1315
        state = dirstate.DirState.initialize('dirstate')
 
1316
        self.addCleanup(state.unlock)
 
1317
        self.assertRaises(errors.BzrError,
 
1318
            state.add, '.', b'ass-id', 'directory', None, None)
 
1319
        self.assertRaises(errors.BzrError,
 
1320
            state.add, '..', b'ass-id', 'directory', None, None)
 
1321
 
 
1322
    def test_set_state_with_rename_b_a_bug_395556(self):
 
1323
        # bug 395556 uncovered a bug where the dirstate ends up with a false
 
1324
        # relocation record - in a tree with no parents there should be no
 
1325
        # absent or relocated records. This then leads to further corruption
 
1326
        # when a commit occurs, as the incorrect relocation gathers an
 
1327
        # incorrect absent in tree 1, and future changes go to pot.
 
1328
        tree1 = self.make_branch_and_tree('tree1')
 
1329
        self.build_tree(['tree1/b'])
 
1330
        tree1.lock_write()
 
1331
        try:
 
1332
            tree1.add(['b'], [b'b-id'])
 
1333
            root_id = tree1.get_root_id()
 
1334
            inv = tree1.root_inventory
 
1335
            state = dirstate.DirState.initialize('dirstate')
 
1336
            try:
 
1337
                # Set the initial state with 'b'
 
1338
                state.set_state_from_inventory(inv)
 
1339
                inv.rename(b'b-id', root_id, 'a')
 
1340
                # Set the new state with 'a', which currently corrupts.
 
1341
                state.set_state_from_inventory(inv)
 
1342
                expected_result1 = [(b'', b'', root_id, b'd'),
 
1343
                                    (b'', b'a', b'b-id', b'f'),
 
1344
                                   ]
 
1345
                values = []
 
1346
                for entry in state._iter_entries():
 
1347
                    values.append(entry[0] + entry[1][0][:1])
 
1348
                self.assertEqual(expected_result1, values)
 
1349
            finally:
 
1350
                state.unlock()
 
1351
        finally:
 
1352
            tree1.unlock()
 
1353
 
 
1354
 
 
1355
class TestDirStateHashUpdates(TestCaseWithDirState):
 
1356
 
 
1357
    def do_update_entry(self, state, path):
 
1358
        entry = state._get_entry(0, path_utf8=path)
 
1359
        stat = os.lstat(path)
 
1360
        return dirstate.update_entry(state, entry, os.path.abspath(path), stat)
 
1361
 
 
1362
    def _read_state_content(self, state):
 
1363
        """Read the content of the dirstate file.
 
1364
 
 
1365
        On Windows when one process locks a file, you can't even open() the
 
1366
        file in another process (to read it). So we go directly to
 
1367
        state._state_file. This should always be the exact disk representation,
 
1368
        so it is reasonable to do so.
 
1369
        DirState also always seeks before reading, so it doesn't matter if we
 
1370
        bump the file pointer.
 
1371
        """
 
1372
        state._state_file.seek(0)
 
1373
        return state._state_file.read()
 
1374
 
 
1375
    def test_worth_saving_limit_avoids_writing(self):
 
1376
        tree = self.make_branch_and_tree('.')
 
1377
        self.build_tree(['c', 'd'])
 
1378
        tree.lock_write()
 
1379
        tree.add(['c', 'd'], [b'c-id', b'd-id'])
 
1380
        tree.commit('add c and d')
 
1381
        state = InstrumentedDirState.on_file(tree.current_dirstate()._filename,
 
1382
                                             worth_saving_limit=2)
 
1383
        tree.unlock()
 
1384
        state.lock_write()
 
1385
        self.addCleanup(state.unlock)
 
1386
        state._read_dirblocks_if_needed()
 
1387
        state.adjust_time(+20) # Allow things to be cached
 
1388
        self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
 
1389
                         state._dirblock_state)
 
1390
        content = self._read_state_content(state)
 
1391
        self.do_update_entry(state, b'c')
 
1392
        self.assertEqual(1, len(state._known_hash_changes))
 
1393
        self.assertEqual(dirstate.DirState.IN_MEMORY_HASH_MODIFIED,
 
1394
                         state._dirblock_state)
 
1395
        state.save()
 
1396
        # It should not have set the state to IN_MEMORY_UNMODIFIED because the
 
1397
        # hash values haven't been written out.
 
1398
        self.assertEqual(dirstate.DirState.IN_MEMORY_HASH_MODIFIED,
 
1399
                         state._dirblock_state)
 
1400
        self.assertEqual(content, self._read_state_content(state))
 
1401
        self.assertEqual(dirstate.DirState.IN_MEMORY_HASH_MODIFIED,
 
1402
                         state._dirblock_state)
 
1403
        self.do_update_entry(state, b'd')
 
1404
        self.assertEqual(2, len(state._known_hash_changes))
 
1405
        state.save()
 
1406
        self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
 
1407
                         state._dirblock_state)
 
1408
        self.assertEqual(0, len(state._known_hash_changes))
 
1409
 
 
1410
 
 
1411
class TestGetLines(TestCaseWithDirState):
 
1412
 
 
1413
    def test_get_line_with_2_rows(self):
 
1414
        state = self.create_dirstate_with_root_and_subdir()
 
1415
        try:
 
1416
            self.assertEqual([b'#bazaar dirstate flat format 3\n',
 
1417
                b'crc32: 41262208\n',
 
1418
                b'num_entries: 2\n',
 
1419
                b'0\x00\n\x00'
 
1420
                b'0\x00\n\x00'
 
1421
                b'\x00\x00a-root-value\x00'
 
1422
                b'd\x00\x000\x00n\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk\x00\n\x00'
 
1423
                b'\x00subdir\x00subdir-id\x00'
 
1424
                b'd\x00\x000\x00n\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk\x00\n\x00'
 
1425
                ], state.get_lines())
 
1426
        finally:
 
1427
            state.unlock()
 
1428
 
 
1429
    def test_entry_to_line(self):
 
1430
        state = self.create_dirstate_with_root()
 
1431
        try:
 
1432
            self.assertEqual(
 
1433
                b'\x00\x00a-root-value\x00d\x00\x000\x00n'
 
1434
                b'\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk',
 
1435
                state._entry_to_line(state._dirblocks[0][1][0]))
 
1436
        finally:
 
1437
            state.unlock()
 
1438
 
 
1439
    def test_entry_to_line_with_parent(self):
 
1440
        packed_stat = b'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
 
1441
        root_entry = (b'', b'', b'a-root-value'), [
 
1442
            (b'd', b'', 0, False, packed_stat), # current tree details
 
1443
             # first: a pointer to the current location
 
1444
            (b'a', b'dirname/basename', 0, False, b''),
 
1445
            ]
 
1446
        state = dirstate.DirState.initialize('dirstate')
 
1447
        try:
 
1448
            self.assertEqual(
 
1449
                b'\x00\x00a-root-value\x00'
 
1450
                b'd\x00\x000\x00n\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk\x00'
 
1451
                b'a\x00dirname/basename\x000\x00n\x00',
 
1452
                state._entry_to_line(root_entry))
 
1453
        finally:
 
1454
            state.unlock()
 
1455
 
 
1456
    def test_entry_to_line_with_two_parents_at_different_paths(self):
 
1457
        # / in the tree, at / in one parent and /dirname/basename in the other.
 
1458
        packed_stat = b'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
 
1459
        root_entry = (b'', b'', b'a-root-value'), [
 
1460
            (b'd', b'', 0, False, packed_stat), # current tree details
 
1461
            (b'd', b'', 0, False, b'rev_id'), # first parent details
 
1462
             # second: a pointer to the current location
 
1463
            (b'a', b'dirname/basename', 0, False, b''),
 
1464
            ]
 
1465
        state = dirstate.DirState.initialize('dirstate')
 
1466
        try:
 
1467
            self.assertEqual(
 
1468
                b'\x00\x00a-root-value\x00'
 
1469
                b'd\x00\x000\x00n\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk\x00'
 
1470
                b'd\x00\x000\x00n\x00rev_id\x00'
 
1471
                b'a\x00dirname/basename\x000\x00n\x00',
 
1472
                state._entry_to_line(root_entry))
 
1473
        finally:
 
1474
            state.unlock()
 
1475
 
 
1476
    def test_iter_entries(self):
 
1477
        # we should be able to iterate the dirstate entries from end to end
 
1478
        # this is for get_lines to be easy to read.
 
1479
        packed_stat = b'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
 
1480
        dirblocks = []
 
1481
        root_entries = [((b'', b'', b'a-root-value'), [
 
1482
            (b'd', b'', 0, False, packed_stat), # current tree details
 
1483
            ])]
 
1484
        dirblocks.append(('', root_entries))
 
1485
        # add two files in the root
 
1486
        subdir_entry = (b'', b'subdir', b'subdir-id'), [
 
1487
            (b'd', b'', 0, False, packed_stat), # current tree details
 
1488
            ]
 
1489
        afile_entry = (b'', b'afile', b'afile-id'), [
 
1490
            (b'f', b'sha1value', 34, False, packed_stat), # current tree details
 
1491
            ]
 
1492
        dirblocks.append(('', [subdir_entry, afile_entry]))
 
1493
        # and one in subdir
 
1494
        file_entry2 = (b'subdir', b'2file', b'2file-id'), [
 
1495
            (b'f', b'sha1value', 23, False, packed_stat), # current tree details
 
1496
            ]
 
1497
        dirblocks.append(('subdir', [file_entry2]))
 
1498
        state = dirstate.DirState.initialize('dirstate')
 
1499
        try:
 
1500
            state._set_data([], dirblocks)
 
1501
            expected_entries = [root_entries[0], subdir_entry, afile_entry,
 
1502
                                file_entry2]
 
1503
            self.assertEqual(expected_entries, list(state._iter_entries()))
 
1504
        finally:
 
1505
            state.unlock()
 
1506
 
 
1507
 
 
1508
class TestGetBlockRowIndex(TestCaseWithDirState):
 
1509
 
 
1510
    def assertBlockRowIndexEqual(self, block_index, row_index, dir_present,
 
1511
        file_present, state, dirname, basename, tree_index):
 
1512
        self.assertEqual((block_index, row_index, dir_present, file_present),
 
1513
            state._get_block_entry_index(dirname, basename, tree_index))
 
1514
        if dir_present:
 
1515
            block = state._dirblocks[block_index]
 
1516
            self.assertEqual(dirname, block[0])
 
1517
        if dir_present and file_present:
 
1518
            row = state._dirblocks[block_index][1][row_index]
 
1519
            self.assertEqual(dirname, row[0][0])
 
1520
            self.assertEqual(basename, row[0][1])
 
1521
 
 
1522
    def test_simple_structure(self):
 
1523
        state = self.create_dirstate_with_root_and_subdir()
 
1524
        self.addCleanup(state.unlock)
 
1525
        self.assertBlockRowIndexEqual(1, 0, True, True, state, b'', b'subdir', 0)
 
1526
        self.assertBlockRowIndexEqual(1, 0, True, False, state, b'', b'bdir', 0)
 
1527
        self.assertBlockRowIndexEqual(1, 1, True, False, state, b'', b'zdir', 0)
 
1528
        self.assertBlockRowIndexEqual(2, 0, False, False, state, b'a', b'foo', 0)
 
1529
        self.assertBlockRowIndexEqual(2, 0, False, False, state,
 
1530
                                      b'subdir', b'foo', 0)
 
1531
 
 
1532
    def test_complex_structure_exists(self):
 
1533
        state = self.create_complex_dirstate()
 
1534
        self.addCleanup(state.unlock)
 
1535
        # Make sure we can find everything that exists
 
1536
        self.assertBlockRowIndexEqual(0, 0, True, True, state, b'', b'', 0)
 
1537
        self.assertBlockRowIndexEqual(1, 0, True, True, state, b'', b'a', 0)
 
1538
        self.assertBlockRowIndexEqual(1, 1, True, True, state, b'', b'b', 0)
 
1539
        self.assertBlockRowIndexEqual(1, 2, True, True, state, b'', b'c', 0)
 
1540
        self.assertBlockRowIndexEqual(1, 3, True, True, state, b'', b'd', 0)
 
1541
        self.assertBlockRowIndexEqual(2, 0, True, True, state, b'a', b'e', 0)
 
1542
        self.assertBlockRowIndexEqual(2, 1, True, True, state, b'a', b'f', 0)
 
1543
        self.assertBlockRowIndexEqual(3, 0, True, True, state, b'b', b'g', 0)
 
1544
        self.assertBlockRowIndexEqual(3, 1, True, True, state,
 
1545
                                      b'b', b'h\xc3\xa5', 0)
 
1546
 
 
1547
    def test_complex_structure_missing(self):
 
1548
        state = self.create_complex_dirstate()
 
1549
        self.addCleanup(state.unlock)
 
1550
        # Make sure things would be inserted in the right locations
 
1551
        # '_' comes before 'a'
 
1552
        self.assertBlockRowIndexEqual(0, 0, True, True, state, b'', b'', 0)
 
1553
        self.assertBlockRowIndexEqual(1, 0, True, False, state, b'', b'_', 0)
 
1554
        self.assertBlockRowIndexEqual(1, 1, True, False, state, b'', b'aa', 0)
 
1555
        self.assertBlockRowIndexEqual(1, 4, True, False, state,
 
1556
                                      b'', b'h\xc3\xa5', 0)
 
1557
        self.assertBlockRowIndexEqual(2, 0, False, False, state, b'_', b'a', 0)
 
1558
        self.assertBlockRowIndexEqual(3, 0, False, False, state, b'aa', b'a', 0)
 
1559
        self.assertBlockRowIndexEqual(4, 0, False, False, state, b'bb', b'a', 0)
 
1560
        # This would be inserted between a/ and b/
 
1561
        self.assertBlockRowIndexEqual(3, 0, False, False, state, b'a/e', b'a', 0)
 
1562
        # Put at the end
 
1563
        self.assertBlockRowIndexEqual(4, 0, False, False, state, b'e', b'a', 0)
 
1564
 
 
1565
 
 
1566
class TestGetEntry(TestCaseWithDirState):
 
1567
 
 
1568
    def assertEntryEqual(self, dirname, basename, file_id, state, path, index):
 
1569
        """Check that the right entry is returned for a request to getEntry."""
 
1570
        entry = state._get_entry(index, path_utf8=path)
 
1571
        if file_id is None:
 
1572
            self.assertEqual((None, None), entry)
 
1573
        else:
 
1574
            cur = entry[0]
 
1575
            self.assertEqual((dirname, basename, file_id), cur[:3])
 
1576
 
 
1577
    def test_simple_structure(self):
 
1578
        state = self.create_dirstate_with_root_and_subdir()
 
1579
        self.addCleanup(state.unlock)
 
1580
        self.assertEntryEqual(b'', b'', b'a-root-value', state, b'', 0)
 
1581
        self.assertEntryEqual(b'', b'subdir', b'subdir-id', state, b'subdir', 0)
 
1582
        self.assertEntryEqual(None, None, None, state, b'missing', 0)
 
1583
        self.assertEntryEqual(None, None, None, state, b'missing/foo', 0)
 
1584
        self.assertEntryEqual(None, None, None, state, b'subdir/foo', 0)
 
1585
 
 
1586
    def test_complex_structure_exists(self):
 
1587
        state = self.create_complex_dirstate()
 
1588
        self.addCleanup(state.unlock)
 
1589
        self.assertEntryEqual(b'', b'', b'a-root-value', state, b'', 0)
 
1590
        self.assertEntryEqual(b'', b'a', b'a-dir', state, b'a', 0)
 
1591
        self.assertEntryEqual(b'', b'b', b'b-dir', state, b'b', 0)
 
1592
        self.assertEntryEqual(b'', b'c', b'c-file', state, b'c', 0)
 
1593
        self.assertEntryEqual(b'', b'd', b'd-file', state, b'd', 0)
 
1594
        self.assertEntryEqual(b'a', b'e', b'e-dir', state, b'a/e', 0)
 
1595
        self.assertEntryEqual(b'a', b'f', b'f-file', state, b'a/f', 0)
 
1596
        self.assertEntryEqual(b'b', b'g', b'g-file', state, b'b/g', 0)
 
1597
        self.assertEntryEqual(b'b', b'h\xc3\xa5', b'h-\xc3\xa5-file', state,
 
1598
                              b'b/h\xc3\xa5', 0)
 
1599
 
 
1600
    def test_complex_structure_missing(self):
 
1601
        state = self.create_complex_dirstate()
 
1602
        self.addCleanup(state.unlock)
 
1603
        self.assertEntryEqual(None, None, None, state, b'_', 0)
 
1604
        self.assertEntryEqual(None, None, None, state, b'_\xc3\xa5', 0)
 
1605
        self.assertEntryEqual(None, None, None, state, b'a/b', 0)
 
1606
        self.assertEntryEqual(None, None, None, state, b'c/d', 0)
 
1607
 
 
1608
    def test_get_entry_uninitialized(self):
 
1609
        """Calling get_entry will load data if it needs to"""
 
1610
        state = self.create_dirstate_with_root()
 
1611
        try:
 
1612
            state.save()
 
1613
        finally:
 
1614
            state.unlock()
 
1615
        del state
 
1616
        state = dirstate.DirState.on_file('dirstate')
 
1617
        state.lock_read()
 
1618
        try:
 
1619
            self.assertEqual(dirstate.DirState.NOT_IN_MEMORY,
 
1620
                             state._header_state)
 
1621
            self.assertEqual(dirstate.DirState.NOT_IN_MEMORY,
 
1622
                             state._dirblock_state)
 
1623
            self.assertEntryEqual(b'', b'', b'a-root-value', state, b'', 0)
 
1624
        finally:
 
1625
            state.unlock()
 
1626
 
 
1627
 
 
1628
class TestIterChildEntries(TestCaseWithDirState):
 
1629
 
 
1630
    def create_dirstate_with_two_trees(self):
 
1631
        """This dirstate contains multiple files and directories.
 
1632
 
 
1633
         /        a-root-value
 
1634
         a/       a-dir
 
1635
         b/       b-dir
 
1636
         c        c-file
 
1637
         d        d-file
 
1638
         a/e/     e-dir
 
1639
         a/f      f-file
 
1640
         b/g      g-file
 
1641
         b/h\xc3\xa5  h-\xc3\xa5-file  #This is u'\xe5' encoded into utf-8
 
1642
 
 
1643
        Notice that a/e is an empty directory.
 
1644
 
 
1645
        There is one parent tree, which has the same shape with the following variations:
 
1646
        b/g in the parent is gone.
 
1647
        b/h in the parent has a different id
 
1648
        b/i is new in the parent
 
1649
        c is renamed to b/j in the parent
 
1650
 
 
1651
        :return: The dirstate, still write-locked.
 
1652
        """
 
1653
        packed_stat = b'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
 
1654
        null_sha = b'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'
 
1655
        NULL_PARENT_DETAILS = dirstate.DirState.NULL_PARENT_DETAILS
 
1656
        root_entry = (b'', b'', b'a-root-value'), [
 
1657
            (b'd', b'', 0, False, packed_stat),
 
1658
            (b'd', b'', 0, False, b'parent-revid'),
 
1659
            ]
 
1660
        a_entry = (b'', b'a', b'a-dir'), [
 
1661
            (b'd', b'', 0, False, packed_stat),
 
1662
            (b'd', b'', 0, False, b'parent-revid'),
 
1663
            ]
 
1664
        b_entry = (b'', b'b', b'b-dir'), [
 
1665
            (b'd', b'', 0, False, packed_stat),
 
1666
            (b'd', b'', 0, False, b'parent-revid'),
 
1667
            ]
 
1668
        c_entry = (b'', b'c', b'c-file'), [
 
1669
            (b'f', null_sha, 10, False, packed_stat),
 
1670
            (b'r', b'b/j', 0, False, b''),
 
1671
            ]
 
1672
        d_entry = (b'', b'd', b'd-file'), [
 
1673
            (b'f', null_sha, 20, False, packed_stat),
 
1674
            (b'f', b'd', 20, False, b'parent-revid'),
 
1675
            ]
 
1676
        e_entry = (b'a', b'e', b'e-dir'), [
 
1677
            (b'd', b'', 0, False, packed_stat),
 
1678
            (b'd', b'', 0, False, b'parent-revid'),
 
1679
            ]
 
1680
        f_entry = (b'a', b'f', b'f-file'), [
 
1681
            (b'f', null_sha, 30, False, packed_stat),
 
1682
            (b'f', b'f', 20, False, b'parent-revid'),
 
1683
            ]
 
1684
        g_entry = (b'b', b'g', b'g-file'), [
 
1685
            (b'f', null_sha, 30, False, packed_stat),
 
1686
            NULL_PARENT_DETAILS,
 
1687
            ]
 
1688
        h_entry1 = (b'b', b'h\xc3\xa5', b'h-\xc3\xa5-file1'), [
 
1689
            (b'f', null_sha, 40, False, packed_stat),
 
1690
            NULL_PARENT_DETAILS,
 
1691
            ]
 
1692
        h_entry2 = (b'b', b'h\xc3\xa5', b'h-\xc3\xa5-file2'), [
 
1693
            NULL_PARENT_DETAILS,
 
1694
            (b'f', b'h', 20, False, b'parent-revid'),
 
1695
            ]
 
1696
        i_entry = (b'b', b'i', b'i-file'), [
 
1697
            NULL_PARENT_DETAILS,
 
1698
            (b'f', b'h', 20, False, b'parent-revid'),
 
1699
            ]
 
1700
        j_entry = (b'b', b'j', b'c-file'), [
 
1701
            (b'r', b'c', 0, False, b''),
 
1702
            (b'f', b'j', 20, False, b'parent-revid'),
 
1703
            ]
 
1704
        dirblocks = []
 
1705
        dirblocks.append((b'', [root_entry]))
 
1706
        dirblocks.append((b'', [a_entry, b_entry, c_entry, d_entry]))
 
1707
        dirblocks.append((b'a', [e_entry, f_entry]))
 
1708
        dirblocks.append((b'b', [g_entry, h_entry1, h_entry2, i_entry, j_entry]))
 
1709
        state = dirstate.DirState.initialize('dirstate')
 
1710
        state._validate()
 
1711
        try:
 
1712
            state._set_data([b'parent'], dirblocks)
 
1713
        except:
 
1714
            state.unlock()
 
1715
            raise
 
1716
        return state, dirblocks
 
1717
 
 
1718
    def test_iter_children_b(self):
 
1719
        state, dirblocks = self.create_dirstate_with_two_trees()
 
1720
        self.addCleanup(state.unlock)
 
1721
        expected_result = []
 
1722
        expected_result.append(dirblocks[3][1][2]) # h2
 
1723
        expected_result.append(dirblocks[3][1][3]) # i
 
1724
        expected_result.append(dirblocks[3][1][4]) # j
 
1725
        self.assertEqual(expected_result,
 
1726
            list(state._iter_child_entries(1, b'b')))
 
1727
 
 
1728
    def test_iter_child_root(self):
 
1729
        state, dirblocks = self.create_dirstate_with_two_trees()
 
1730
        self.addCleanup(state.unlock)
 
1731
        expected_result = []
 
1732
        expected_result.append(dirblocks[1][1][0]) # a
 
1733
        expected_result.append(dirblocks[1][1][1]) # b
 
1734
        expected_result.append(dirblocks[1][1][3]) # d
 
1735
        expected_result.append(dirblocks[2][1][0]) # e
 
1736
        expected_result.append(dirblocks[2][1][1]) # f
 
1737
        expected_result.append(dirblocks[3][1][2]) # h2
 
1738
        expected_result.append(dirblocks[3][1][3]) # i
 
1739
        expected_result.append(dirblocks[3][1][4]) # j
 
1740
        self.assertEqual(expected_result,
 
1741
            list(state._iter_child_entries(1, b'')))
 
1742
 
 
1743
 
 
1744
class TestDirstateSortOrder(tests.TestCaseWithTransport):
 
1745
    """Test that DirState adds entries in the right order."""
 
1746
 
 
1747
    def test_add_sorting(self):
 
1748
        """Add entries in lexicographical order, we get path sorted order.
 
1749
 
 
1750
        This tests it to a depth of 4, to make sure we don't just get it right
 
1751
        at a single depth. 'a/a' should come before 'a-a', even though it
 
1752
        doesn't lexicographically.
 
1753
        """
 
1754
        dirs = ['a', 'a/a', 'a/a/a', 'a/a/a/a',
 
1755
                'a-a', 'a/a-a', 'a/a/a-a', 'a/a/a/a-a',
 
1756
               ]
 
1757
        null_sha = b''
 
1758
        state = dirstate.DirState.initialize('dirstate')
 
1759
        self.addCleanup(state.unlock)
 
1760
 
 
1761
        fake_stat = os.stat('dirstate')
 
1762
        for d in dirs:
 
1763
            d_id = d.encode('utf-8').replace(b'/', b'_')+b'-id'
 
1764
            file_path = d + '/f'
 
1765
            file_id = file_path.encode('utf-8').replace(b'/', b'_')+b'-id'
 
1766
            state.add(d, d_id, 'directory', fake_stat, null_sha)
 
1767
            state.add(file_path, file_id, 'file', fake_stat, null_sha)
 
1768
 
 
1769
        expected = [b'', b'', b'a',
 
1770
                b'a/a', b'a/a/a', b'a/a/a/a',
 
1771
                b'a/a/a/a-a', b'a/a/a-a', b'a/a-a', b'a-a',
 
1772
               ]
 
1773
        split = lambda p:p.split(b'/')
 
1774
        self.assertEqual(sorted(expected, key=split), expected)
 
1775
        dirblock_names = [d[0] for d in state._dirblocks]
 
1776
        self.assertEqual(expected, dirblock_names)
 
1777
 
 
1778
    def test_set_parent_trees_correct_order(self):
 
1779
        """After calling set_parent_trees() we should maintain the order."""
 
1780
        dirs = ['a', 'a-a', 'a/a']
 
1781
        null_sha = b''
 
1782
        state = dirstate.DirState.initialize('dirstate')
 
1783
        self.addCleanup(state.unlock)
 
1784
 
 
1785
        fake_stat = os.stat('dirstate')
 
1786
        for d in dirs:
 
1787
            d_id = d.encode('utf-8').replace(b'/', b'_')+b'-id'
 
1788
            file_path = d + '/f'
 
1789
            file_id = file_path.encode('utf-8').replace(b'/', b'_')+b'-id'
 
1790
            state.add(d, d_id, 'directory', fake_stat, null_sha)
 
1791
            state.add(file_path, file_id, 'file', fake_stat, null_sha)
 
1792
 
 
1793
        expected = [b'', b'', b'a', b'a/a', b'a-a']
 
1794
        dirblock_names = [d[0] for d in state._dirblocks]
 
1795
        self.assertEqual(expected, dirblock_names)
 
1796
 
 
1797
        # *really* cheesy way to just get an empty tree
 
1798
        repo = self.make_repository('repo')
 
1799
        empty_tree = repo.revision_tree(_mod_revision.NULL_REVISION)
 
1800
        state.set_parent_trees([('null:', empty_tree)], [])
 
1801
 
 
1802
        dirblock_names = [d[0] for d in state._dirblocks]
 
1803
        self.assertEqual(expected, dirblock_names)
 
1804
 
 
1805
 
 
1806
class InstrumentedDirState(dirstate.DirState):
 
1807
    """An DirState with instrumented sha1 functionality."""
 
1808
 
 
1809
    def __init__(self, path, sha1_provider, worth_saving_limit=0):
 
1810
        super(InstrumentedDirState, self).__init__(path, sha1_provider,
 
1811
            worth_saving_limit=worth_saving_limit)
 
1812
        self._time_offset = 0
 
1813
        self._log = []
 
1814
        # member is dynamically set in DirState.__init__ to turn on trace
 
1815
        self._sha1_provider = sha1_provider
 
1816
        self._sha1_file = self._sha1_file_and_log
 
1817
 
 
1818
    def _sha_cutoff_time(self):
 
1819
        timestamp = super(InstrumentedDirState, self)._sha_cutoff_time()
 
1820
        self._cutoff_time = timestamp + self._time_offset
 
1821
 
 
1822
    def _sha1_file_and_log(self, abspath):
 
1823
        self._log.append(('sha1', abspath))
 
1824
        return self._sha1_provider.sha1(abspath)
 
1825
 
 
1826
    def _read_link(self, abspath, old_link):
 
1827
        self._log.append(('read_link', abspath, old_link))
 
1828
        return super(InstrumentedDirState, self)._read_link(abspath, old_link)
 
1829
 
 
1830
    def _lstat(self, abspath, entry):
 
1831
        self._log.append(('lstat', abspath))
 
1832
        return super(InstrumentedDirState, self)._lstat(abspath, entry)
 
1833
 
 
1834
    def _is_executable(self, mode, old_executable):
 
1835
        self._log.append(('is_exec', mode, old_executable))
 
1836
        return super(InstrumentedDirState, self)._is_executable(mode,
 
1837
                                                                old_executable)
 
1838
 
 
1839
    def adjust_time(self, secs):
 
1840
        """Move the clock forward or back.
 
1841
 
 
1842
        :param secs: The amount to adjust the clock by. Positive values make it
 
1843
        seem as if we are in the future, negative values make it seem like we
 
1844
        are in the past.
 
1845
        """
 
1846
        self._time_offset += secs
 
1847
        self._cutoff_time = None
 
1848
 
 
1849
 
 
1850
class _FakeStat(object):
 
1851
    """A class with the same attributes as a real stat result."""
 
1852
 
 
1853
    def __init__(self, size, mtime, ctime, dev, ino, mode):
 
1854
        self.st_size = size
 
1855
        self.st_mtime = mtime
 
1856
        self.st_ctime = ctime
 
1857
        self.st_dev = dev
 
1858
        self.st_ino = ino
 
1859
        self.st_mode = mode
 
1860
 
 
1861
    @staticmethod
 
1862
    def from_stat(st):
 
1863
        return _FakeStat(st.st_size, st.st_mtime, st.st_ctime, st.st_dev,
 
1864
            st.st_ino, st.st_mode)
 
1865
 
 
1866
 
 
1867
class TestPackStat(tests.TestCaseWithTransport):
 
1868
 
 
1869
    def assertPackStat(self, expected, stat_value):
 
1870
        """Check the packed and serialized form of a stat value."""
 
1871
        self.assertEqual(expected, dirstate.pack_stat(stat_value))
 
1872
 
 
1873
    def test_pack_stat_int(self):
 
1874
        st = _FakeStat(6859, 1172758614, 1172758617, 777, 6499538, 0o100644)
 
1875
        # Make sure that all parameters have an impact on the packed stat.
 
1876
        self.assertPackStat(b'AAAay0Xm4FZF5uBZAAADCQBjLNIAAIGk', st)
 
1877
        st.st_size = 7000
 
1878
        #                ay0 => bWE
 
1879
        self.assertPackStat(b'AAAbWEXm4FZF5uBZAAADCQBjLNIAAIGk', st)
 
1880
        st.st_mtime = 1172758620
 
1881
        #                     4FZ => 4Fx
 
1882
        self.assertPackStat(b'AAAbWEXm4FxF5uBZAAADCQBjLNIAAIGk', st)
 
1883
        st.st_ctime = 1172758630
 
1884
        #                          uBZ => uBm
 
1885
        self.assertPackStat(b'AAAbWEXm4FxF5uBmAAADCQBjLNIAAIGk', st)
 
1886
        st.st_dev = 888
 
1887
        #                                DCQ => DeA
 
1888
        self.assertPackStat(b'AAAbWEXm4FxF5uBmAAADeABjLNIAAIGk', st)
 
1889
        st.st_ino = 6499540
 
1890
        #                                     LNI => LNQ
 
1891
        self.assertPackStat(b'AAAbWEXm4FxF5uBmAAADeABjLNQAAIGk', st)
 
1892
        st.st_mode = 0o100744
 
1893
        #                                          IGk => IHk
 
1894
        self.assertPackStat(b'AAAbWEXm4FxF5uBmAAADeABjLNQAAIHk', st)
 
1895
 
 
1896
    def test_pack_stat_float(self):
 
1897
        """On some platforms mtime and ctime are floats.
 
1898
 
 
1899
        Make sure we don't get warnings or errors, and that we ignore changes <
 
1900
        1s
 
1901
        """
 
1902
        st = _FakeStat(7000, 1172758614.0, 1172758617.0,
 
1903
                       777, 6499538, 0o100644)
 
1904
        # These should all be the same as the integer counterparts
 
1905
        self.assertPackStat(b'AAAbWEXm4FZF5uBZAAADCQBjLNIAAIGk', st)
 
1906
        st.st_mtime = 1172758620.0
 
1907
        #                     FZF5 => FxF5
 
1908
        self.assertPackStat(b'AAAbWEXm4FxF5uBZAAADCQBjLNIAAIGk', st)
 
1909
        st.st_ctime = 1172758630.0
 
1910
        #                          uBZ => uBm
 
1911
        self.assertPackStat(b'AAAbWEXm4FxF5uBmAAADCQBjLNIAAIGk', st)
 
1912
        # fractional seconds are discarded, so no change from above
 
1913
        st.st_mtime = 1172758620.453
 
1914
        self.assertPackStat(b'AAAbWEXm4FxF5uBmAAADCQBjLNIAAIGk', st)
 
1915
        st.st_ctime = 1172758630.228
 
1916
        self.assertPackStat(b'AAAbWEXm4FxF5uBmAAADCQBjLNIAAIGk', st)
 
1917
 
 
1918
 
 
1919
class TestBisect(TestCaseWithDirState):
 
1920
    """Test the ability to bisect into the disk format."""
 
1921
 
 
1922
    def assertBisect(self, expected_map, map_keys, state, paths):
 
1923
        """Assert that bisecting for paths returns the right result.
 
1924
 
 
1925
        :param expected_map: A map from key => entry value
 
1926
        :param map_keys: The keys to expect for each path
 
1927
        :param state: The DirState object.
 
1928
        :param paths: A list of paths, these will automatically be split into
 
1929
                      (dir, name) tuples, and sorted according to how _bisect
 
1930
                      requires.
 
1931
        """
 
1932
        result = state._bisect(paths)
 
1933
        # For now, results are just returned in whatever order we read them.
 
1934
        # We could sort by (dir, name, file_id) or something like that, but in
 
1935
        # the end it would still be fairly arbitrary, and we don't want the
 
1936
        # extra overhead if we can avoid it. So sort everything to make sure
 
1937
        # equality is true
 
1938
        self.assertEqual(len(map_keys), len(paths))
 
1939
        expected = {}
 
1940
        for path, keys in zip(paths, map_keys):
 
1941
            if keys is None:
 
1942
                # This should not be present in the output
 
1943
                continue
 
1944
            expected[path] = sorted(expected_map[k] for k in keys)
 
1945
 
 
1946
        # The returned values are just arranged randomly based on when they
 
1947
        # were read, for testing, make sure it is properly sorted.
 
1948
        for path in result:
 
1949
            result[path].sort()
 
1950
 
 
1951
        self.assertEqual(expected, result)
 
1952
 
 
1953
    def assertBisectDirBlocks(self, expected_map, map_keys, state, paths):
 
1954
        """Assert that bisecting for dirbblocks returns the right result.
 
1955
 
 
1956
        :param expected_map: A map from key => expected values
 
1957
        :param map_keys: A nested list of paths we expect to be returned.
 
1958
            Something like [['a', 'b', 'f'], ['b/c', 'b/d']]
 
1959
        :param state: The DirState object.
 
1960
        :param paths: A list of directories
 
1961
        """
 
1962
        result = state._bisect_dirblocks(paths)
 
1963
        self.assertEqual(len(map_keys), len(paths))
 
1964
        expected = {}
 
1965
        for path, keys in zip(paths, map_keys):
 
1966
            if keys is None:
 
1967
                # This should not be present in the output
 
1968
                continue
 
1969
            expected[path] = sorted(expected_map[k] for k in keys)
 
1970
        for path in result:
 
1971
            result[path].sort()
 
1972
 
 
1973
        self.assertEqual(expected, result)
 
1974
 
 
1975
    def assertBisectRecursive(self, expected_map, map_keys, state, paths):
 
1976
        """Assert the return value of a recursive bisection.
 
1977
 
 
1978
        :param expected_map: A map from key => entry value
 
1979
        :param map_keys: A list of paths we expect to be returned.
 
1980
            Something like ['a', 'b', 'f', 'b/d', 'b/d2']
 
1981
        :param state: The DirState object.
 
1982
        :param paths: A list of files and directories. It will be broken up
 
1983
            into (dir, name) pairs and sorted before calling _bisect_recursive.
 
1984
        """
 
1985
        expected = {}
 
1986
        for key in map_keys:
 
1987
            entry = expected_map[key]
 
1988
            dir_name_id, trees_info = entry
 
1989
            expected[dir_name_id] = trees_info
 
1990
 
 
1991
        result = state._bisect_recursive(paths)
 
1992
 
 
1993
        self.assertEqual(expected, result)
 
1994
 
 
1995
    def test_bisect_each(self):
 
1996
        """Find a single record using bisect."""
 
1997
        tree, state, expected = self.create_basic_dirstate()
 
1998
 
 
1999
        # Bisect should return the rows for the specified files.
 
2000
        self.assertBisect(expected, [[b'']], state, [b''])
 
2001
        self.assertBisect(expected, [[b'a']], state, [b'a'])
 
2002
        self.assertBisect(expected, [[b'b']], state, [b'b'])
 
2003
        self.assertBisect(expected, [[b'b/c']], state, [b'b/c'])
 
2004
        self.assertBisect(expected, [[b'b/d']], state, [b'b/d'])
 
2005
        self.assertBisect(expected, [[b'b/d/e']], state, [b'b/d/e'])
 
2006
        self.assertBisect(expected, [[b'b-c']], state, [b'b-c'])
 
2007
        self.assertBisect(expected, [[b'f']], state, [b'f'])
 
2008
 
 
2009
    def test_bisect_multi(self):
 
2010
        """Bisect can be used to find multiple records at the same time."""
 
2011
        tree, state, expected = self.create_basic_dirstate()
 
2012
        # Bisect should be capable of finding multiple entries at the same time
 
2013
        self.assertBisect(expected, [[b'a'], [b'b'], [b'f']],
 
2014
                          state, [b'a', b'b', b'f'])
 
2015
        self.assertBisect(expected, [[b'f'], [b'b/d'], [b'b/d/e']],
 
2016
                          state, [b'f', b'b/d', b'b/d/e'])
 
2017
        self.assertBisect(expected, [[b'b'], [b'b-c'], [b'b/c']],
 
2018
                          state, [b'b', b'b-c', b'b/c'])
 
2019
 
 
2020
    def test_bisect_one_page(self):
 
2021
        """Test bisect when there is only 1 page to read"""
 
2022
        tree, state, expected = self.create_basic_dirstate()
 
2023
        state._bisect_page_size = 5000
 
2024
        self.assertBisect(expected, [[b'']], state, [b''])
 
2025
        self.assertBisect(expected, [[b'a']], state, [b'a'])
 
2026
        self.assertBisect(expected, [[b'b']], state, [b'b'])
 
2027
        self.assertBisect(expected, [[b'b/c']], state, [b'b/c'])
 
2028
        self.assertBisect(expected, [[b'b/d']], state, [b'b/d'])
 
2029
        self.assertBisect(expected, [[b'b/d/e']], state, [b'b/d/e'])
 
2030
        self.assertBisect(expected, [[b'b-c']], state, [b'b-c'])
 
2031
        self.assertBisect(expected, [[b'f']], state, [b'f'])
 
2032
        self.assertBisect(expected, [[b'a'], [b'b'], [b'f']],
 
2033
                          state, [b'a', b'b', b'f'])
 
2034
        self.assertBisect(expected, [[b'b/d'], [b'b/d/e'], [b'f']],
 
2035
                          state, [b'b/d', b'b/d/e', b'f'])
 
2036
        self.assertBisect(expected, [[b'b'], [b'b/c'], [b'b-c']],
 
2037
                          state, [b'b', b'b/c', b'b-c'])
 
2038
 
 
2039
    def test_bisect_duplicate_paths(self):
 
2040
        """When bisecting for a path, handle multiple entries."""
 
2041
        tree, state, expected = self.create_duplicated_dirstate()
 
2042
 
 
2043
        # Now make sure that both records are properly returned.
 
2044
        self.assertBisect(expected, [[b'']], state, [b''])
 
2045
        self.assertBisect(expected, [[b'a', b'a2']], state, [b'a'])
 
2046
        self.assertBisect(expected, [[b'b', b'b2']], state, [b'b'])
 
2047
        self.assertBisect(expected, [[b'b/c', b'b/c2']], state, [b'b/c'])
 
2048
        self.assertBisect(expected, [[b'b/d', b'b/d2']], state, [b'b/d'])
 
2049
        self.assertBisect(expected, [[b'b/d/e', b'b/d/e2']],
 
2050
                          state, [b'b/d/e'])
 
2051
        self.assertBisect(expected, [[b'b-c', b'b-c2']], state, [b'b-c'])
 
2052
        self.assertBisect(expected, [[b'f', b'f2']], state, [b'f'])
 
2053
 
 
2054
    def test_bisect_page_size_too_small(self):
 
2055
        """If the page size is too small, we will auto increase it."""
 
2056
        tree, state, expected = self.create_basic_dirstate()
 
2057
        state._bisect_page_size = 50
 
2058
        self.assertBisect(expected, [None], state, [b'b/e'])
 
2059
        self.assertBisect(expected, [[b'a']], state, [b'a'])
 
2060
        self.assertBisect(expected, [[b'b']], state, [b'b'])
 
2061
        self.assertBisect(expected, [[b'b/c']], state, [b'b/c'])
 
2062
        self.assertBisect(expected, [[b'b/d']], state, [b'b/d'])
 
2063
        self.assertBisect(expected, [[b'b/d/e']], state, [b'b/d/e'])
 
2064
        self.assertBisect(expected, [[b'b-c']], state, [b'b-c'])
 
2065
        self.assertBisect(expected, [[b'f']], state, [b'f'])
 
2066
 
 
2067
    def test_bisect_missing(self):
 
2068
        """Test that bisect return None if it cannot find a path."""
 
2069
        tree, state, expected = self.create_basic_dirstate()
 
2070
        self.assertBisect(expected, [None], state, [b'foo'])
 
2071
        self.assertBisect(expected, [None], state, [b'b/foo'])
 
2072
        self.assertBisect(expected, [None], state, [b'bar/foo'])
 
2073
        self.assertBisect(expected, [None], state, [b'b-c/foo'])
 
2074
 
 
2075
        self.assertBisect(expected, [[b'a'], None, [b'b/d']],
 
2076
                          state, [b'a', b'foo', b'b/d'])
 
2077
 
 
2078
    def test_bisect_rename(self):
 
2079
        """Check that we find a renamed row."""
 
2080
        tree, state, expected = self.create_renamed_dirstate()
 
2081
 
 
2082
        # Search for the pre and post renamed entries
 
2083
        self.assertBisect(expected, [[b'a']], state, [b'a'])
 
2084
        self.assertBisect(expected, [[b'b/g']], state, [b'b/g'])
 
2085
        self.assertBisect(expected, [[b'b/d']], state, [b'b/d'])
 
2086
        self.assertBisect(expected, [[b'h']], state, [b'h'])
 
2087
 
 
2088
        # What about b/d/e? shouldn't that also get 2 directory entries?
 
2089
        self.assertBisect(expected, [[b'b/d/e']], state, [b'b/d/e'])
 
2090
        self.assertBisect(expected, [[b'h/e']], state, [b'h/e'])
 
2091
 
 
2092
    def test_bisect_dirblocks(self):
 
2093
        tree, state, expected = self.create_duplicated_dirstate()
 
2094
        self.assertBisectDirBlocks(expected,
 
2095
            [[b'', b'a', b'a2', b'b', b'b2', b'b-c', b'b-c2', b'f', b'f2']],
 
2096
            state, [b''])
 
2097
        self.assertBisectDirBlocks(expected,
 
2098
            [[b'b/c', b'b/c2', b'b/d', b'b/d2']], state, [b'b'])
 
2099
        self.assertBisectDirBlocks(expected,
 
2100
            [[b'b/d/e', b'b/d/e2']], state, [b'b/d'])
 
2101
        self.assertBisectDirBlocks(expected,
 
2102
            [[b'', b'a', b'a2', b'b', b'b2', b'b-c', b'b-c2', b'f', b'f2'],
 
2103
             [b'b/c', b'b/c2', b'b/d', b'b/d2'],
 
2104
             [b'b/d/e', b'b/d/e2'],
 
2105
            ], state, [b'', b'b', b'b/d'])
 
2106
 
 
2107
    def test_bisect_dirblocks_missing(self):
 
2108
        tree, state, expected = self.create_basic_dirstate()
 
2109
        self.assertBisectDirBlocks(expected, [[b'b/d/e'], None],
 
2110
            state, [b'b/d', b'b/e'])
 
2111
        # Files don't show up in this search
 
2112
        self.assertBisectDirBlocks(expected, [None], state, [b'a'])
 
2113
        self.assertBisectDirBlocks(expected, [None], state, [b'b/c'])
 
2114
        self.assertBisectDirBlocks(expected, [None], state, [b'c'])
 
2115
        self.assertBisectDirBlocks(expected, [None], state, [b'b/d/e'])
 
2116
        self.assertBisectDirBlocks(expected, [None], state, [b'f'])
 
2117
 
 
2118
    def test_bisect_recursive_each(self):
 
2119
        tree, state, expected = self.create_basic_dirstate()
 
2120
        self.assertBisectRecursive(expected, [b'a'], state, [b'a'])
 
2121
        self.assertBisectRecursive(expected, [b'b/c'], state, [b'b/c'])
 
2122
        self.assertBisectRecursive(expected, [b'b/d/e'], state, [b'b/d/e'])
 
2123
        self.assertBisectRecursive(expected, [b'b-c'], state, [b'b-c'])
 
2124
        self.assertBisectRecursive(expected, [b'b/d', b'b/d/e'],
 
2125
                                   state, [b'b/d'])
 
2126
        self.assertBisectRecursive(expected, [b'b', b'b/c', b'b/d', b'b/d/e'],
 
2127
                                   state, [b'b'])
 
2128
        self.assertBisectRecursive(expected, [b'', b'a', b'b', b'b-c', b'f', b'b/c',
 
2129
                                              b'b/d', b'b/d/e'],
 
2130
                                   state, [b''])
 
2131
 
 
2132
    def test_bisect_recursive_multiple(self):
 
2133
        tree, state, expected = self.create_basic_dirstate()
 
2134
        self.assertBisectRecursive(expected, [b'a', b'b/c'], state, [b'a', b'b/c'])
 
2135
        self.assertBisectRecursive(expected, [b'b/d', b'b/d/e'],
 
2136
                                   state, [b'b/d', b'b/d/e'])
 
2137
 
 
2138
    def test_bisect_recursive_missing(self):
 
2139
        tree, state, expected = self.create_basic_dirstate()
 
2140
        self.assertBisectRecursive(expected, [], state, [b'd'])
 
2141
        self.assertBisectRecursive(expected, [], state, [b'b/e'])
 
2142
        self.assertBisectRecursive(expected, [], state, [b'g'])
 
2143
        self.assertBisectRecursive(expected, [b'a'], state, [b'a', b'g'])
 
2144
 
 
2145
    def test_bisect_recursive_renamed(self):
 
2146
        tree, state, expected = self.create_renamed_dirstate()
 
2147
 
 
2148
        # Looking for either renamed item should find the other
 
2149
        self.assertBisectRecursive(expected, [b'a', b'b/g'], state, [b'a'])
 
2150
        self.assertBisectRecursive(expected, [b'a', b'b/g'], state, [b'b/g'])
 
2151
        # Looking in the containing directory should find the rename target,
 
2152
        # and anything in a subdir of the renamed target.
 
2153
        self.assertBisectRecursive(expected, [b'a', b'b', b'b/c', b'b/d',
 
2154
                                              b'b/d/e', b'b/g', b'h', b'h/e'],
 
2155
                                   state, [b'b'])
 
2156
 
 
2157
 
 
2158
class TestDirstateValidation(TestCaseWithDirState):
 
2159
 
 
2160
    def test_validate_correct_dirstate(self):
 
2161
        state = self.create_complex_dirstate()
 
2162
        state._validate()
 
2163
        state.unlock()
 
2164
        # and make sure we can also validate with a read lock
 
2165
        state.lock_read()
 
2166
        try:
 
2167
            state._validate()
 
2168
        finally:
 
2169
            state.unlock()
 
2170
 
 
2171
    def test_dirblock_not_sorted(self):
 
2172
        tree, state, expected = self.create_renamed_dirstate()
 
2173
        state._read_dirblocks_if_needed()
 
2174
        last_dirblock = state._dirblocks[-1]
 
2175
        # we're appending to the dirblock, but this name comes before some of
 
2176
        # the existing names; that's wrong
 
2177
        last_dirblock[1].append(
 
2178
            ((b'h', b'aaaa', b'a-id'),
 
2179
             [(b'a', b'', 0, False, b''),
 
2180
              (b'a', b'', 0, False, b'')]))
 
2181
        e = self.assertRaises(AssertionError,
 
2182
            state._validate)
 
2183
        self.assertContainsRe(str(e), 'not sorted')
 
2184
 
 
2185
    def test_dirblock_name_mismatch(self):
 
2186
        tree, state, expected = self.create_renamed_dirstate()
 
2187
        state._read_dirblocks_if_needed()
 
2188
        last_dirblock = state._dirblocks[-1]
 
2189
        # add an entry with the wrong directory name
 
2190
        last_dirblock[1].append(
 
2191
            ((b'', b'z', b'a-id'),
 
2192
             [(b'a', b'', 0, False, b''),
 
2193
              (b'a', b'', 0, False, b'')]))
 
2194
        e = self.assertRaises(AssertionError,
 
2195
            state._validate)
 
2196
        self.assertContainsRe(str(e),
 
2197
            "doesn't match directory name")
 
2198
 
 
2199
    def test_dirblock_missing_rename(self):
 
2200
        tree, state, expected = self.create_renamed_dirstate()
 
2201
        state._read_dirblocks_if_needed()
 
2202
        last_dirblock = state._dirblocks[-1]
 
2203
        # make another entry for a-id, without a correct 'r' pointer to
 
2204
        # the real occurrence in the working tree
 
2205
        last_dirblock[1].append(
 
2206
            ((b'h', b'z', b'a-id'),
 
2207
             [(b'a', b'', 0, False, b''),
 
2208
              (b'a', b'', 0, False, b'')]))
 
2209
        e = self.assertRaises(AssertionError,
 
2210
            state._validate)
 
2211
        self.assertContainsRe(str(e),
 
2212
            'file a-id is absent in row')
 
2213
 
 
2214
 
 
2215
class TestDirstateTreeReference(TestCaseWithDirState):
 
2216
 
 
2217
    def test_reference_revision_is_none(self):
 
2218
        tree = self.make_branch_and_tree('tree', format='development-subtree')
 
2219
        subtree = self.make_branch_and_tree('tree/subtree',
 
2220
                            format='development-subtree')
 
2221
        subtree.set_root_id(b'subtree')
 
2222
        tree.add_reference(subtree)
 
2223
        tree.add('subtree')
 
2224
        state = dirstate.DirState.from_tree(tree, 'dirstate')
 
2225
        key = (b'', b'subtree', b'subtree')
 
2226
        expected = (b'', [(key,
 
2227
            [(b't', b'', 0, False, b'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx')])])
 
2228
 
 
2229
        try:
 
2230
            self.assertEqual(expected, state._find_block(key))
 
2231
        finally:
 
2232
            state.unlock()
 
2233
 
 
2234
 
 
2235
class TestDiscardMergeParents(TestCaseWithDirState):
 
2236
 
 
2237
    def test_discard_no_parents(self):
 
2238
        # This should be a no-op
 
2239
        state = self.create_empty_dirstate()
 
2240
        self.addCleanup(state.unlock)
 
2241
        state._discard_merge_parents()
 
2242
        state._validate()
 
2243
 
 
2244
    def test_discard_one_parent(self):
 
2245
        # No-op
 
2246
        packed_stat = b'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
 
2247
        root_entry_direntry = (b'', b'', b'a-root-value'), [
 
2248
            (b'd', b'', 0, False, packed_stat),
 
2249
            (b'd', b'', 0, False, packed_stat),
 
2250
            ]
 
2251
        dirblocks = []
 
2252
        dirblocks.append((b'', [root_entry_direntry]))
 
2253
        dirblocks.append((b'', []))
 
2254
 
 
2255
        state = self.create_empty_dirstate()
 
2256
        self.addCleanup(state.unlock)
 
2257
        state._set_data([b'parent-id'], dirblocks[:])
 
2258
        state._validate()
 
2259
 
 
2260
        state._discard_merge_parents()
 
2261
        state._validate()
 
2262
        self.assertEqual(dirblocks, state._dirblocks)
 
2263
 
 
2264
    def test_discard_simple(self):
 
2265
        # No-op
 
2266
        packed_stat = b'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
 
2267
        root_entry_direntry = (b'', b'', b'a-root-value'), [
 
2268
            (b'd', b'', 0, False, packed_stat),
 
2269
            (b'd', b'', 0, False, packed_stat),
 
2270
            (b'd', b'', 0, False, packed_stat),
 
2271
            ]
 
2272
        expected_root_entry_direntry = (b'', b'', b'a-root-value'), [
 
2273
            (b'd', b'', 0, False, packed_stat),
 
2274
            (b'd', b'', 0, False, packed_stat),
 
2275
            ]
 
2276
        dirblocks = []
 
2277
        dirblocks.append((b'', [root_entry_direntry]))
 
2278
        dirblocks.append((b'', []))
 
2279
 
 
2280
        state = self.create_empty_dirstate()
 
2281
        self.addCleanup(state.unlock)
 
2282
        state._set_data([b'parent-id', b'merged-id'], dirblocks[:])
 
2283
        state._validate()
 
2284
 
 
2285
        # This should strip of the extra column
 
2286
        state._discard_merge_parents()
 
2287
        state._validate()
 
2288
        expected_dirblocks = [(b'', [expected_root_entry_direntry]), (b'', [])]
 
2289
        self.assertEqual(expected_dirblocks, state._dirblocks)
 
2290
 
 
2291
    def test_discard_absent(self):
 
2292
        """If entries are only in a merge, discard should remove the entries"""
 
2293
        null_stat = dirstate.DirState.NULLSTAT
 
2294
        present_dir = (b'd', b'', 0, False, null_stat)
 
2295
        present_file = (b'f', b'', 0, False, null_stat)
 
2296
        absent = dirstate.DirState.NULL_PARENT_DETAILS
 
2297
        root_key = (b'', b'', b'a-root-value')
 
2298
        file_in_root_key = (b'', b'file-in-root', b'a-file-id')
 
2299
        file_in_merged_key = (b'', b'file-in-merged', b'b-file-id')
 
2300
        dirblocks = [(b'', [(root_key, [present_dir, present_dir, present_dir])]),
 
2301
                     (b'', [(file_in_merged_key,
 
2302
                            [absent, absent, present_file]),
 
2303
                           (file_in_root_key,
 
2304
                            [present_file, present_file, present_file]),
 
2305
                          ]),
 
2306
                    ]
 
2307
 
 
2308
        state = self.create_empty_dirstate()
 
2309
        self.addCleanup(state.unlock)
 
2310
        state._set_data([b'parent-id', b'merged-id'], dirblocks[:])
 
2311
        state._validate()
 
2312
 
 
2313
        exp_dirblocks = [(b'', [(root_key, [present_dir, present_dir])]),
 
2314
                         (b'', [(file_in_root_key,
 
2315
                                [present_file, present_file]),
 
2316
                              ]),
 
2317
                        ]
 
2318
        state._discard_merge_parents()
 
2319
        state._validate()
 
2320
        self.assertEqual(exp_dirblocks, state._dirblocks)
 
2321
 
 
2322
    def test_discard_renamed(self):
 
2323
        null_stat = dirstate.DirState.NULLSTAT
 
2324
        present_dir = (b'd', b'', 0, False, null_stat)
 
2325
        present_file = (b'f', b'', 0, False, null_stat)
 
2326
        absent = dirstate.DirState.NULL_PARENT_DETAILS
 
2327
        root_key = (b'', b'', b'a-root-value')
 
2328
        file_in_root_key = (b'', b'file-in-root', b'a-file-id')
 
2329
        # Renamed relative to parent
 
2330
        file_rename_s_key = (b'', b'file-s', b'b-file-id')
 
2331
        file_rename_t_key = (b'', b'file-t', b'b-file-id')
 
2332
        # And one that is renamed between the parents, but absent in this
 
2333
        key_in_1 = (b'', b'file-in-1', b'c-file-id')
 
2334
        key_in_2 = (b'', b'file-in-2', b'c-file-id')
 
2335
 
 
2336
        dirblocks = [
 
2337
            (b'', [(root_key, [present_dir, present_dir, present_dir])]),
 
2338
            (b'', [(key_in_1,
 
2339
                   [absent, present_file, (b'r', b'file-in-2', b'c-file-id')]),
 
2340
                  (key_in_2,
 
2341
                   [absent, (b'r', b'file-in-1', b'c-file-id'), present_file]),
 
2342
                  (file_in_root_key,
 
2343
                   [present_file, present_file, present_file]),
 
2344
                  (file_rename_s_key,
 
2345
                   [(b'r', b'file-t', b'b-file-id'), absent, present_file]),
 
2346
                  (file_rename_t_key,
 
2347
                   [present_file, absent, (b'r', b'file-s', b'b-file-id')]),
 
2348
                 ]),
 
2349
        ]
 
2350
        exp_dirblocks = [
 
2351
            (b'', [(root_key, [present_dir, present_dir])]),
 
2352
            (b'', [(key_in_1, [absent, present_file]),
 
2353
                  (file_in_root_key, [present_file, present_file]),
 
2354
                  (file_rename_t_key, [present_file, absent]),
 
2355
                 ]),
 
2356
        ]
 
2357
        state = self.create_empty_dirstate()
 
2358
        self.addCleanup(state.unlock)
 
2359
        state._set_data([b'parent-id', b'merged-id'], dirblocks[:])
 
2360
        state._validate()
 
2361
 
 
2362
        state._discard_merge_parents()
 
2363
        state._validate()
 
2364
        self.assertEqual(exp_dirblocks, state._dirblocks)
 
2365
 
 
2366
    def test_discard_all_subdir(self):
 
2367
        null_stat = dirstate.DirState.NULLSTAT
 
2368
        present_dir = (b'd', b'', 0, False, null_stat)
 
2369
        present_file = (b'f', b'', 0, False, null_stat)
 
2370
        absent = dirstate.DirState.NULL_PARENT_DETAILS
 
2371
        root_key = (b'', b'', b'a-root-value')
 
2372
        subdir_key = (b'', b'sub', b'dir-id')
 
2373
        child1_key = (b'sub', b'child1', b'child1-id')
 
2374
        child2_key = (b'sub', b'child2', b'child2-id')
 
2375
        child3_key = (b'sub', b'child3', b'child3-id')
 
2376
 
 
2377
        dirblocks = [
 
2378
            (b'', [(root_key, [present_dir, present_dir, present_dir])]),
 
2379
            (b'', [(subdir_key, [present_dir, present_dir, present_dir])]),
 
2380
            (b'sub', [(child1_key, [absent, absent, present_file]),
 
2381
                     (child2_key, [absent, absent, present_file]),
 
2382
                     (child3_key, [absent, absent, present_file]),
 
2383
                    ]),
 
2384
        ]
 
2385
        exp_dirblocks = [
 
2386
            (b'', [(root_key, [present_dir, present_dir])]),
 
2387
            (b'', [(subdir_key, [present_dir, present_dir])]),
 
2388
            (b'sub', []),
 
2389
        ]
 
2390
        state = self.create_empty_dirstate()
 
2391
        self.addCleanup(state.unlock)
 
2392
        state._set_data([b'parent-id', b'merged-id'], dirblocks[:])
 
2393
        state._validate()
 
2394
 
 
2395
        state._discard_merge_parents()
 
2396
        state._validate()
 
2397
        self.assertEqual(exp_dirblocks, state._dirblocks)
 
2398
 
 
2399
 
 
2400
class Test_InvEntryToDetails(tests.TestCase):
 
2401
 
 
2402
    def assertDetails(self, expected, inv_entry):
 
2403
        details = dirstate.DirState._inv_entry_to_details(inv_entry)
 
2404
        self.assertEqual(expected, details)
 
2405
        # details should always allow join() and always be a plain str when
 
2406
        # finished
 
2407
        (minikind, fingerprint, size, executable, tree_data) = details
 
2408
        self.assertIsInstance(minikind, bytes)
 
2409
        self.assertIsInstance(fingerprint, bytes)
 
2410
        self.assertIsInstance(tree_data, bytes)
 
2411
 
 
2412
    def test_unicode_symlink(self):
 
2413
        inv_entry = inventory.InventoryLink(b'link-file-id',
 
2414
                                            u'nam\N{Euro Sign}e',
 
2415
                                            b'link-parent-id')
 
2416
        inv_entry.revision = b'link-revision-id'
 
2417
        target = u'link-targ\N{Euro Sign}t'
 
2418
        inv_entry.symlink_target = target
 
2419
        self.assertDetails((b'l', target.encode('UTF-8'), 0, False,
 
2420
                            b'link-revision-id'), inv_entry)
 
2421
 
 
2422
 
 
2423
class TestSHA1Provider(tests.TestCaseInTempDir):
 
2424
 
 
2425
    def test_sha1provider_is_an_interface(self):
 
2426
        p = dirstate.SHA1Provider()
 
2427
        self.assertRaises(NotImplementedError, p.sha1, "foo")
 
2428
        self.assertRaises(NotImplementedError, p.stat_and_sha1, "foo")
 
2429
 
 
2430
    def test_defaultsha1provider_sha1(self):
 
2431
        text = b'test\r\nwith\nall\rpossible line endings\r\n'
 
2432
        self.build_tree_contents([('foo', text)])
 
2433
        expected_sha = osutils.sha_string(text)
 
2434
        p = dirstate.DefaultSHA1Provider()
 
2435
        self.assertEqual(expected_sha, p.sha1('foo'))
 
2436
 
 
2437
    def test_defaultsha1provider_stat_and_sha1(self):
 
2438
        text = b'test\r\nwith\nall\rpossible line endings\r\n'
 
2439
        self.build_tree_contents([('foo', text)])
 
2440
        expected_sha = osutils.sha_string(text)
 
2441
        p = dirstate.DefaultSHA1Provider()
 
2442
        statvalue, sha1 = p.stat_and_sha1('foo')
 
2443
        self.assertTrue(len(statvalue) >= 10)
 
2444
        self.assertEqual(len(text), statvalue.st_size)
 
2445
        self.assertEqual(expected_sha, sha1)
 
2446
 
 
2447
 
 
2448
class _Repo(object):
 
2449
    """A minimal api to get InventoryRevisionTree to work."""
 
2450
 
 
2451
    def __init__(self):
 
2452
        default_format = controldir.format_registry.make_controldir('default')
 
2453
        self._format = default_format.repository_format
 
2454
 
 
2455
    def lock_read(self):
 
2456
        pass
 
2457
 
 
2458
    def unlock(self):
 
2459
        pass
 
2460
 
 
2461
 
 
2462
class TestUpdateBasisByDelta(tests.TestCase):
 
2463
 
 
2464
    def path_to_ie(self, path, file_id, rev_id, dir_ids):
 
2465
        if path.endswith('/'):
 
2466
            is_dir = True
 
2467
            path = path[:-1]
 
2468
        else:
 
2469
            is_dir = False
 
2470
        dirname, basename = osutils.split(path)
 
2471
        try:
 
2472
            dir_id = dir_ids[dirname]
 
2473
        except KeyError:
 
2474
            dir_id = osutils.basename(dirname).encode('utf-8') + b'-id'
 
2475
        if is_dir:
 
2476
            ie = inventory.InventoryDirectory(file_id, basename, dir_id)
 
2477
            dir_ids[path] = file_id
 
2478
        else:
 
2479
            ie = inventory.InventoryFile(file_id, basename, dir_id)
 
2480
            ie.text_size = 0
 
2481
            ie.text_sha1 = b''
 
2482
        ie.revision = rev_id
 
2483
        return ie
 
2484
 
 
2485
    def create_tree_from_shape(self, rev_id, shape):
 
2486
        dir_ids = {'': b'root-id'}
 
2487
        inv = inventory.Inventory(b'root-id', rev_id)
 
2488
        for info in shape:
 
2489
            if len(info) == 2:
 
2490
                path, file_id = info
 
2491
                ie_rev_id = rev_id
 
2492
            else:
 
2493
                path, file_id, ie_rev_id = info
 
2494
            if path == '':
 
2495
                # Replace the root entry
 
2496
                del inv._byid[inv.root.file_id]
 
2497
                inv.root.file_id = file_id
 
2498
                inv._byid[file_id] = inv.root
 
2499
                dir_ids[''] = file_id
 
2500
                continue
 
2501
            inv.add(self.path_to_ie(path, file_id, ie_rev_id, dir_ids))
 
2502
        return inventorytree.InventoryRevisionTree(_Repo(), inv, rev_id)
 
2503
 
 
2504
    def create_empty_dirstate(self):
 
2505
        fd, path = tempfile.mkstemp(prefix='bzr-dirstate')
 
2506
        self.addCleanup(os.remove, path)
 
2507
        os.close(fd)
 
2508
        state = dirstate.DirState.initialize(path)
 
2509
        self.addCleanup(state.unlock)
 
2510
        return state
 
2511
 
 
2512
    def create_inv_delta(self, delta, rev_id):
 
2513
        """Translate a 'delta shape' into an actual InventoryDelta"""
 
2514
        dir_ids = {'': b'root-id'}
 
2515
        inv_delta = []
 
2516
        for old_path, new_path, file_id in delta:
 
2517
            if old_path is not None and old_path.endswith('/'):
 
2518
                # Don't have to actually do anything for this, because only
 
2519
                # new_path creates InventoryEntries
 
2520
                old_path = old_path[:-1]
 
2521
            if new_path is None: # Delete
 
2522
                inv_delta.append((old_path, None, file_id, None))
 
2523
                continue
 
2524
            ie = self.path_to_ie(new_path, file_id, rev_id, dir_ids)
 
2525
            inv_delta.append((old_path, new_path, file_id, ie))
 
2526
        return inv_delta
 
2527
 
 
2528
    def assertUpdate(self, active, basis, target):
 
2529
        """Assert that update_basis_by_delta works how we want.
 
2530
 
 
2531
        Set up a DirState object with active_shape for tree 0, basis_shape for
 
2532
        tree 1. Then apply the delta from basis_shape to target_shape,
 
2533
        and assert that the DirState is still valid, and that its stored
 
2534
        content matches the target_shape.
 
2535
        """
 
2536
        active_tree = self.create_tree_from_shape(b'active', active)
 
2537
        basis_tree = self.create_tree_from_shape(b'basis', basis)
 
2538
        target_tree = self.create_tree_from_shape(b'target', target)
 
2539
        state = self.create_empty_dirstate()
 
2540
        state.set_state_from_scratch(active_tree.root_inventory,
 
2541
            [(b'basis', basis_tree)], [])
 
2542
        delta = target_tree.root_inventory._make_delta(
 
2543
            basis_tree.root_inventory)
 
2544
        state.update_basis_by_delta(delta, b'target')
 
2545
        state._validate()
 
2546
        dirstate_tree = workingtree_4.DirStateRevisionTree(state,
 
2547
            b'target', _Repo())
 
2548
        # The target now that delta has been applied should match the
 
2549
        # RevisionTree
 
2550
        self.assertEqual([], list(dirstate_tree.iter_changes(target_tree)))
 
2551
        # And the dirblock state should be identical to the state if we created
 
2552
        # it from scratch.
 
2553
        state2 = self.create_empty_dirstate()
 
2554
        state2.set_state_from_scratch(active_tree.root_inventory,
 
2555
            [(b'target', target_tree)], [])
 
2556
        self.assertEqual(state2._dirblocks, state._dirblocks)
 
2557
        return state
 
2558
 
 
2559
    def assertBadDelta(self, active, basis, delta):
 
2560
        """Test that we raise InconsistentDelta when appropriate.
 
2561
 
 
2562
        :param active: The active tree shape
 
2563
        :param basis: The basis tree shape
 
2564
        :param delta: A description of the delta to apply. Similar to the form
 
2565
            for regular inventory deltas, but omitting the InventoryEntry.
 
2566
            So adding a file is: (None, 'path', b'file-id')
 
2567
            Adding a directory is: (None, 'path/', b'dir-id')
 
2568
            Renaming a dir is: ('old/', 'new/', b'dir-id')
 
2569
            etc.
 
2570
        """
 
2571
        active_tree = self.create_tree_from_shape(b'active', active)
 
2572
        basis_tree = self.create_tree_from_shape(b'basis', basis)
 
2573
        inv_delta = self.create_inv_delta(delta, b'target')
 
2574
        state = self.create_empty_dirstate()
 
2575
        state.set_state_from_scratch(active_tree.root_inventory,
 
2576
            [(b'basis', basis_tree)], [])
 
2577
        self.assertRaises(errors.InconsistentDelta,
 
2578
            state.update_basis_by_delta, inv_delta, b'target')
 
2579
        ## try:
 
2580
        ##     state.update_basis_by_delta(inv_delta, b'target')
 
2581
        ## except errors.InconsistentDelta, e:
 
2582
        ##     import pdb; pdb.set_trace()
 
2583
        ## else:
 
2584
        ##     import pdb; pdb.set_trace()
 
2585
        self.assertTrue(state._changes_aborted)
 
2586
 
 
2587
    def test_remove_file_matching_active_state(self):
 
2588
        state = self.assertUpdate(
 
2589
            active=[],
 
2590
            basis =[('file', b'file-id')],
 
2591
            target=[],
 
2592
            )
 
2593
 
 
2594
    def test_remove_file_present_in_active_state(self):
 
2595
        state = self.assertUpdate(
 
2596
            active=[('file', b'file-id')],
 
2597
            basis =[('file', b'file-id')],
 
2598
            target=[],
 
2599
            )
 
2600
 
 
2601
    def test_remove_file_present_elsewhere_in_active_state(self):
 
2602
        state = self.assertUpdate(
 
2603
            active=[('other-file', b'file-id')],
 
2604
            basis =[('file', b'file-id')],
 
2605
            target=[],
 
2606
            )
 
2607
 
 
2608
    def test_remove_file_active_state_has_diff_file(self):
 
2609
        state = self.assertUpdate(
 
2610
            active=[('file', b'file-id-2')],
 
2611
            basis =[('file', b'file-id')],
 
2612
            target=[],
 
2613
            )
 
2614
 
 
2615
    def test_remove_file_active_state_has_diff_file_and_file_elsewhere(self):
 
2616
        state = self.assertUpdate(
 
2617
            active=[('file', b'file-id-2'),
 
2618
                    ('other-file', b'file-id')],
 
2619
            basis =[('file', b'file-id')],
 
2620
            target=[],
 
2621
            )
 
2622
 
 
2623
    def test_add_file_matching_active_state(self):
 
2624
        state = self.assertUpdate(
 
2625
            active=[('file', b'file-id')],
 
2626
            basis =[],
 
2627
            target=[('file', b'file-id')],
 
2628
            )
 
2629
 
 
2630
    def test_add_file_in_empty_dir_not_matching_active_state(self):
 
2631
        state = self.assertUpdate(
 
2632
                active=[],
 
2633
                basis=[('dir/', b'dir-id')],
 
2634
                target=[('dir/', b'dir-id', b'basis'), ('dir/file', b'file-id')],
 
2635
                )
 
2636
 
 
2637
    def test_add_file_missing_in_active_state(self):
 
2638
        state = self.assertUpdate(
 
2639
            active=[],
 
2640
            basis =[],
 
2641
            target=[('file', b'file-id')],
 
2642
            )
 
2643
 
 
2644
    def test_add_file_elsewhere_in_active_state(self):
 
2645
        state = self.assertUpdate(
 
2646
            active=[('other-file', b'file-id')],
 
2647
            basis =[],
 
2648
            target=[('file', b'file-id')],
 
2649
            )
 
2650
 
 
2651
    def test_add_file_active_state_has_diff_file_and_file_elsewhere(self):
 
2652
        state = self.assertUpdate(
 
2653
            active=[('other-file', b'file-id'),
 
2654
                    ('file', b'file-id-2')],
 
2655
            basis =[],
 
2656
            target=[('file', b'file-id')],
 
2657
            )
 
2658
 
 
2659
    def test_rename_file_matching_active_state(self):
 
2660
        state = self.assertUpdate(
 
2661
            active=[('other-file', b'file-id')],
 
2662
            basis =[('file', b'file-id')],
 
2663
            target=[('other-file', b'file-id')],
 
2664
            )
 
2665
 
 
2666
    def test_rename_file_missing_in_active_state(self):
 
2667
        state = self.assertUpdate(
 
2668
            active=[],
 
2669
            basis =[('file', b'file-id')],
 
2670
            target=[('other-file', b'file-id')],
 
2671
            )
 
2672
 
 
2673
    def test_rename_file_present_elsewhere_in_active_state(self):
 
2674
        state = self.assertUpdate(
 
2675
            active=[('third', b'file-id')],
 
2676
            basis =[('file', b'file-id')],
 
2677
            target=[('other-file', b'file-id')],
 
2678
            )
 
2679
 
 
2680
    def test_rename_file_active_state_has_diff_source_file(self):
 
2681
        state = self.assertUpdate(
 
2682
            active=[('file', b'file-id-2')],
 
2683
            basis =[('file', b'file-id')],
 
2684
            target=[('other-file', b'file-id')],
 
2685
            )
 
2686
 
 
2687
    def test_rename_file_active_state_has_diff_target_file(self):
 
2688
        state = self.assertUpdate(
 
2689
            active=[('other-file', b'file-id-2')],
 
2690
            basis =[('file', b'file-id')],
 
2691
            target=[('other-file', b'file-id')],
 
2692
            )
 
2693
 
 
2694
    def test_rename_file_active_has_swapped_files(self):
 
2695
        state = self.assertUpdate(
 
2696
            active=[('file', b'file-id'),
 
2697
                    ('other-file', b'file-id-2')],
 
2698
            basis= [('file', b'file-id'),
 
2699
                    ('other-file', b'file-id-2')],
 
2700
            target=[('file', b'file-id-2'),
 
2701
                    ('other-file', b'file-id')])
 
2702
 
 
2703
    def test_rename_file_basis_has_swapped_files(self):
 
2704
        state = self.assertUpdate(
 
2705
            active=[('file', b'file-id'),
 
2706
                    ('other-file', b'file-id-2')],
 
2707
            basis= [('file', b'file-id-2'),
 
2708
                    ('other-file', b'file-id')],
 
2709
            target=[('file', b'file-id'),
 
2710
                    ('other-file', b'file-id-2')])
 
2711
 
 
2712
    def test_rename_directory_with_contents(self):
 
2713
        state = self.assertUpdate( # active matches basis
 
2714
            active=[('dir1/', b'dir-id'),
 
2715
                    ('dir1/file', b'file-id')],
 
2716
            basis= [('dir1/', b'dir-id'),
 
2717
                    ('dir1/file', b'file-id')],
 
2718
            target=[('dir2/', b'dir-id'),
 
2719
                    ('dir2/file', b'file-id')])
 
2720
        state = self.assertUpdate( # active matches target
 
2721
            active=[('dir2/', b'dir-id'),
 
2722
                    ('dir2/file', b'file-id')],
 
2723
            basis= [('dir1/', b'dir-id'),
 
2724
                    ('dir1/file', b'file-id')],
 
2725
            target=[('dir2/', b'dir-id'),
 
2726
                    ('dir2/file', b'file-id')])
 
2727
        state = self.assertUpdate( # active empty
 
2728
            active=[],
 
2729
            basis= [('dir1/', b'dir-id'),
 
2730
                    ('dir1/file', b'file-id')],
 
2731
            target=[('dir2/', b'dir-id'),
 
2732
                    ('dir2/file', b'file-id')])
 
2733
        state = self.assertUpdate( # active present at other location
 
2734
            active=[('dir3/', b'dir-id'),
 
2735
                    ('dir3/file', b'file-id')],
 
2736
            basis= [('dir1/', b'dir-id'),
 
2737
                    ('dir1/file', b'file-id')],
 
2738
            target=[('dir2/', b'dir-id'),
 
2739
                    ('dir2/file', b'file-id')])
 
2740
        state = self.assertUpdate( # active has different ids
 
2741
            active=[('dir1/', b'dir1-id'),
 
2742
                    ('dir1/file', b'file1-id'),
 
2743
                    ('dir2/', b'dir2-id'),
 
2744
                    ('dir2/file', b'file2-id')],
 
2745
            basis= [('dir1/', b'dir-id'),
 
2746
                    ('dir1/file', b'file-id')],
 
2747
            target=[('dir2/', b'dir-id'),
 
2748
                    ('dir2/file', b'file-id')])
 
2749
 
 
2750
    def test_invalid_file_not_present(self):
 
2751
        state = self.assertBadDelta(
 
2752
            active=[('file', b'file-id')],
 
2753
            basis= [('file', b'file-id')],
 
2754
            delta=[('other-file', 'file', b'file-id')])
 
2755
 
 
2756
    def test_invalid_new_id_same_path(self):
 
2757
        # The bad entry comes after
 
2758
        state = self.assertBadDelta(
 
2759
            active=[('file', b'file-id')],
 
2760
            basis= [('file', b'file-id')],
 
2761
            delta=[(None, 'file', b'file-id-2')])
 
2762
        # The bad entry comes first
 
2763
        state = self.assertBadDelta(
 
2764
            active=[('file', b'file-id-2')],
 
2765
            basis=[('file', b'file-id-2')],
 
2766
            delta=[(None, 'file', b'file-id')])
 
2767
 
 
2768
    def test_invalid_existing_id(self):
 
2769
        state = self.assertBadDelta(
 
2770
            active=[('file', b'file-id')],
 
2771
            basis= [('file', b'file-id')],
 
2772
            delta=[(None, 'file', b'file-id')])
 
2773
 
 
2774
    def test_invalid_parent_missing(self):
 
2775
        state = self.assertBadDelta(
 
2776
            active=[],
 
2777
            basis= [],
 
2778
            delta=[(None, 'path/path2', b'file-id')])
 
2779
        # Note: we force the active tree to have the directory, by knowing how
 
2780
        #       path_to_ie handles entries with missing parents
 
2781
        state = self.assertBadDelta(
 
2782
            active=[('path/', b'path-id')],
 
2783
            basis= [],
 
2784
            delta=[(None, 'path/path2', b'file-id')])
 
2785
        state = self.assertBadDelta(
 
2786
            active=[('path/', b'path-id'),
 
2787
                    ('path/path2', b'file-id')],
 
2788
            basis= [],
 
2789
            delta=[(None, 'path/path2', b'file-id')])
 
2790
 
 
2791
    def test_renamed_dir_same_path(self):
 
2792
        # We replace the parent directory, with another parent dir. But the C
 
2793
        # file doesn't look like it has been moved.
 
2794
        state = self.assertUpdate(# Same as basis
 
2795
            active=[('dir/', b'A-id'),
 
2796
                    ('dir/B', b'B-id')],
 
2797
            basis= [('dir/', b'A-id'),
 
2798
                    ('dir/B', b'B-id')],
 
2799
            target=[('dir/', b'C-id'),
 
2800
                    ('dir/B', b'B-id')])
 
2801
        state = self.assertUpdate(# Same as target
 
2802
            active=[('dir/', b'C-id'),
 
2803
                    ('dir/B', b'B-id')],
 
2804
            basis= [('dir/', b'A-id'),
 
2805
                    ('dir/B', b'B-id')],
 
2806
            target=[('dir/', b'C-id'),
 
2807
                    ('dir/B', b'B-id')])
 
2808
        state = self.assertUpdate(# empty active
 
2809
            active=[],
 
2810
            basis= [('dir/', b'A-id'),
 
2811
                    ('dir/B', b'B-id')],
 
2812
            target=[('dir/', b'C-id'),
 
2813
                    ('dir/B', b'B-id')])
 
2814
        state = self.assertUpdate(# different active
 
2815
            active=[('dir/', b'D-id'),
 
2816
                    ('dir/B', b'B-id')],
 
2817
            basis= [('dir/', b'A-id'),
 
2818
                    ('dir/B', b'B-id')],
 
2819
            target=[('dir/', b'C-id'),
 
2820
                    ('dir/B', b'B-id')])
 
2821
 
 
2822
    def test_parent_child_swap(self):
 
2823
        state = self.assertUpdate(# Same as basis
 
2824
            active=[('A/', b'A-id'),
 
2825
                    ('A/B/', b'B-id'),
 
2826
                    ('A/B/C', b'C-id')],
 
2827
            basis= [('A/', b'A-id'),
 
2828
                    ('A/B/', b'B-id'),
 
2829
                    ('A/B/C', b'C-id')],
 
2830
            target=[('A/', b'B-id'),
 
2831
                    ('A/B/', b'A-id'),
 
2832
                    ('A/B/C', b'C-id')])
 
2833
        state = self.assertUpdate(# Same as target
 
2834
            active=[('A/', b'B-id'),
 
2835
                    ('A/B/', b'A-id'),
 
2836
                    ('A/B/C', b'C-id')],
 
2837
            basis= [('A/', b'A-id'),
 
2838
                    ('A/B/', b'B-id'),
 
2839
                    ('A/B/C', b'C-id')],
 
2840
            target=[('A/', b'B-id'),
 
2841
                    ('A/B/', b'A-id'),
 
2842
                    ('A/B/C', b'C-id')])
 
2843
        state = self.assertUpdate(# empty active
 
2844
            active=[],
 
2845
            basis= [('A/', b'A-id'),
 
2846
                    ('A/B/', b'B-id'),
 
2847
                    ('A/B/C', b'C-id')],
 
2848
            target=[('A/', b'B-id'),
 
2849
                    ('A/B/', b'A-id'),
 
2850
                    ('A/B/C', b'C-id')])
 
2851
        state = self.assertUpdate(# different active
 
2852
            active=[('D/', b'A-id'),
 
2853
                    ('D/E/', b'B-id'),
 
2854
                    ('F', b'C-id')],
 
2855
            basis= [('A/', b'A-id'),
 
2856
                    ('A/B/', b'B-id'),
 
2857
                    ('A/B/C', b'C-id')],
 
2858
            target=[('A/', b'B-id'),
 
2859
                    ('A/B/', b'A-id'),
 
2860
                    ('A/B/C', b'C-id')])
 
2861
 
 
2862
    def test_change_root_id(self):
 
2863
        state = self.assertUpdate( # same as basis
 
2864
            active=[('', b'root-id'),
 
2865
                    ('file', b'file-id')],
 
2866
            basis= [('', b'root-id'),
 
2867
                    ('file', b'file-id')],
 
2868
            target=[('', b'target-root-id'),
 
2869
                    ('file', b'file-id')])
 
2870
        state = self.assertUpdate( # same as target
 
2871
            active=[('', b'target-root-id'),
 
2872
                    ('file', b'file-id')],
 
2873
            basis= [('', b'root-id'),
 
2874
                    ('file', b'file-id')],
 
2875
            target=[('', b'target-root-id'),
 
2876
                    ('file', b'root-id')])
 
2877
        state = self.assertUpdate( # all different
 
2878
            active=[('', b'active-root-id'),
 
2879
                    ('file', b'file-id')],
 
2880
            basis= [('', b'root-id'),
 
2881
                    ('file', b'file-id')],
 
2882
            target=[('', b'target-root-id'),
 
2883
                    ('file', b'root-id')])
 
2884
 
 
2885
    def test_change_file_absent_in_active(self):
 
2886
        state = self.assertUpdate(
 
2887
            active=[],
 
2888
            basis= [('file', b'file-id')],
 
2889
            target=[('file', b'file-id')])
 
2890
 
 
2891
    def test_invalid_changed_file(self):
 
2892
        state = self.assertBadDelta( # Not present in basis
 
2893
            active=[('file', b'file-id')],
 
2894
            basis= [],
 
2895
            delta=[('file', 'file', b'file-id')])
 
2896
        state = self.assertBadDelta( # present at another location in basis
 
2897
            active=[('file', b'file-id')],
 
2898
            basis= [('other-file', b'file-id')],
 
2899
            delta=[('file', 'file', b'file-id')])