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  • Committer: Robert Collins
  • Date: 2006-07-20 13:00:31 UTC
  • mto: (1852.9.1 Tree.compare().)
  • mto: This revision was merged to the branch mainline in revision 1890.
  • Revision ID: robertc@robertcollins.net-20060720130031-d26103a427ea10f3
StartĀ treeĀ implementationĀ tests.

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1
 
# Copyright (C) 2006-2010 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 bisect
20
 
import os
21
 
 
22
 
from bzrlib import (
23
 
    dirstate,
24
 
    errors,
25
 
    inventory,
26
 
    memorytree,
27
 
    osutils,
28
 
    revision as _mod_revision,
29
 
    tests,
30
 
    )
31
 
from bzrlib.tests import test_osutils
32
 
 
33
 
 
34
 
# TODO:
35
 
# TESTS to write:
36
 
# general checks for NOT_IN_MEMORY error conditions.
37
 
# set_path_id on a NOT_IN_MEMORY dirstate
38
 
# set_path_id  unicode support
39
 
# set_path_id  setting id of a path not root
40
 
# set_path_id  setting id when there are parents without the id in the parents
41
 
# set_path_id  setting id when there are parents with the id in the parents
42
 
# set_path_id  setting id when state is not in memory
43
 
# set_path_id  setting id when state is in memory unmodified
44
 
# set_path_id  setting id when state is in memory modified
45
 
 
46
 
 
47
 
def load_tests(basic_tests, module, loader):
48
 
    suite = loader.suiteClass()
49
 
    dir_reader_tests, remaining_tests = tests.split_suite_by_condition(
50
 
        basic_tests, tests.condition_isinstance(TestCaseWithDirState))
51
 
    tests.multiply_tests(dir_reader_tests,
52
 
                         test_osutils.dir_reader_scenarios(), suite)
53
 
    suite.addTest(remaining_tests)
54
 
    return suite
55
 
 
56
 
 
57
 
class TestCaseWithDirState(tests.TestCaseWithTransport):
58
 
    """Helper functions for creating DirState objects with various content."""
59
 
 
60
 
    # Set by load_tests
61
 
    _dir_reader_class = None
62
 
    _native_to_unicode = None # Not used yet
63
 
 
64
 
    def setUp(self):
65
 
        tests.TestCaseWithTransport.setUp(self)
66
 
 
67
 
        self.overrideAttr(osutils,
68
 
                          '_selected_dir_reader', self._dir_reader_class())
69
 
 
70
 
    def create_empty_dirstate(self):
71
 
        """Return a locked but empty dirstate"""
72
 
        state = dirstate.DirState.initialize('dirstate')
73
 
        return state
74
 
 
75
 
    def create_dirstate_with_root(self):
76
 
        """Return a write-locked state with a single root entry."""
77
 
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
78
 
        root_entry_direntry = ('', '', 'a-root-value'), [
79
 
            ('d', '', 0, False, packed_stat),
80
 
            ]
81
 
        dirblocks = []
82
 
        dirblocks.append(('', [root_entry_direntry]))
83
 
        dirblocks.append(('', []))
84
 
        state = self.create_empty_dirstate()
85
 
        try:
86
 
            state._set_data([], dirblocks)
87
 
            state._validate()
88
 
        except:
89
 
            state.unlock()
90
 
            raise
91
 
        return state
92
 
 
93
 
    def create_dirstate_with_root_and_subdir(self):
94
 
        """Return a locked DirState with a root and a subdir"""
95
 
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
96
 
        subdir_entry = ('', 'subdir', 'subdir-id'), [
97
 
            ('d', '', 0, False, packed_stat),
98
 
            ]
99
 
        state = self.create_dirstate_with_root()
100
 
        try:
101
 
            dirblocks = list(state._dirblocks)
102
 
            dirblocks[1][1].append(subdir_entry)
103
 
            state._set_data([], dirblocks)
104
 
        except:
105
 
            state.unlock()
106
 
            raise
107
 
        return state
108
 
 
109
 
    def create_complex_dirstate(self):
110
 
        """This dirstate contains multiple files and directories.
111
 
 
112
 
         /        a-root-value
113
 
         a/       a-dir
114
 
         b/       b-dir
115
 
         c        c-file
116
 
         d        d-file
117
 
         a/e/     e-dir
118
 
         a/f      f-file
119
 
         b/g      g-file
120
 
         b/h\xc3\xa5  h-\xc3\xa5-file  #This is u'\xe5' encoded into utf-8
121
 
 
122
 
        Notice that a/e is an empty directory.
123
 
 
124
 
        :return: The dirstate, still write-locked.
125
 
        """
126
 
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
127
 
        null_sha = 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'
128
 
        root_entry = ('', '', 'a-root-value'), [
129
 
            ('d', '', 0, False, packed_stat),
130
 
            ]
131
 
        a_entry = ('', 'a', 'a-dir'), [
132
 
            ('d', '', 0, False, packed_stat),
133
 
            ]
134
 
        b_entry = ('', 'b', 'b-dir'), [
135
 
            ('d', '', 0, False, packed_stat),
136
 
            ]
137
 
        c_entry = ('', 'c', 'c-file'), [
138
 
            ('f', null_sha, 10, False, packed_stat),
139
 
            ]
140
 
        d_entry = ('', 'd', 'd-file'), [
141
 
            ('f', null_sha, 20, False, packed_stat),
142
 
            ]
143
 
        e_entry = ('a', 'e', 'e-dir'), [
144
 
            ('d', '', 0, False, packed_stat),
145
 
            ]
146
 
        f_entry = ('a', 'f', 'f-file'), [
147
 
            ('f', null_sha, 30, False, packed_stat),
148
 
            ]
149
 
        g_entry = ('b', 'g', 'g-file'), [
150
 
            ('f', null_sha, 30, False, packed_stat),
151
 
            ]
152
 
        h_entry = ('b', 'h\xc3\xa5', 'h-\xc3\xa5-file'), [
153
 
            ('f', null_sha, 40, False, packed_stat),
154
 
            ]
155
 
        dirblocks = []
156
 
        dirblocks.append(('', [root_entry]))
157
 
        dirblocks.append(('', [a_entry, b_entry, c_entry, d_entry]))
158
 
        dirblocks.append(('a', [e_entry, f_entry]))
159
 
        dirblocks.append(('b', [g_entry, h_entry]))
160
 
        state = dirstate.DirState.initialize('dirstate')
161
 
        state._validate()
162
 
        try:
163
 
            state._set_data([], dirblocks)
164
 
        except:
165
 
            state.unlock()
166
 
            raise
167
 
        return state
168
 
 
169
 
    def check_state_with_reopen(self, expected_result, state):
170
 
        """Check that state has current state expected_result.
171
 
 
172
 
        This will check the current state, open the file anew and check it
173
 
        again.
174
 
        This function expects the current state to be locked for writing, and
175
 
        will unlock it before re-opening.
176
 
        This is required because we can't open a lock_read() while something
177
 
        else has a lock_write().
178
 
            write => mutually exclusive lock
179
 
            read => shared lock
180
 
        """
181
 
        # The state should already be write locked, since we just had to do
182
 
        # some operation to get here.
183
 
        self.assertTrue(state._lock_token is not None)
184
 
        try:
185
 
            self.assertEqual(expected_result[0],  state.get_parent_ids())
186
 
            # there should be no ghosts in this tree.
187
 
            self.assertEqual([], state.get_ghosts())
188
 
            # there should be one fileid in this tree - the root of the tree.
189
 
            self.assertEqual(expected_result[1], list(state._iter_entries()))
190
 
            state.save()
191
 
        finally:
192
 
            state.unlock()
193
 
        del state
194
 
        state = dirstate.DirState.on_file('dirstate')
195
 
        state.lock_read()
196
 
        try:
197
 
            self.assertEqual(expected_result[1], list(state._iter_entries()))
198
 
        finally:
199
 
            state.unlock()
200
 
 
201
 
    def create_basic_dirstate(self):
202
 
        """Create a dirstate with a few files and directories.
203
 
 
204
 
            a
205
 
            b/
206
 
              c
207
 
              d/
208
 
                e
209
 
            b-c
210
 
            f
211
 
        """
212
 
        tree = self.make_branch_and_tree('tree')
213
 
        paths = ['a', 'b/', 'b/c', 'b/d/', 'b/d/e', 'b-c', 'f']
214
 
        file_ids = ['a-id', 'b-id', 'c-id', 'd-id', 'e-id', 'b-c-id', 'f-id']
215
 
        self.build_tree(['tree/' + p for p in paths])
216
 
        tree.set_root_id('TREE_ROOT')
217
 
        tree.add([p.rstrip('/') for p in paths], file_ids)
218
 
        tree.commit('initial', rev_id='rev-1')
219
 
        revision_id = 'rev-1'
220
 
        # a_packed_stat = dirstate.pack_stat(os.stat('tree/a'))
221
 
        t = self.get_transport('tree')
222
 
        a_text = t.get_bytes('a')
223
 
        a_sha = osutils.sha_string(a_text)
224
 
        a_len = len(a_text)
225
 
        # b_packed_stat = dirstate.pack_stat(os.stat('tree/b'))
226
 
        # c_packed_stat = dirstate.pack_stat(os.stat('tree/b/c'))
227
 
        c_text = t.get_bytes('b/c')
228
 
        c_sha = osutils.sha_string(c_text)
229
 
        c_len = len(c_text)
230
 
        # d_packed_stat = dirstate.pack_stat(os.stat('tree/b/d'))
231
 
        # e_packed_stat = dirstate.pack_stat(os.stat('tree/b/d/e'))
232
 
        e_text = t.get_bytes('b/d/e')
233
 
        e_sha = osutils.sha_string(e_text)
234
 
        e_len = len(e_text)
235
 
        b_c_text = t.get_bytes('b-c')
236
 
        b_c_sha = osutils.sha_string(b_c_text)
237
 
        b_c_len = len(b_c_text)
238
 
        # f_packed_stat = dirstate.pack_stat(os.stat('tree/f'))
239
 
        f_text = t.get_bytes('f')
240
 
        f_sha = osutils.sha_string(f_text)
241
 
        f_len = len(f_text)
242
 
        null_stat = dirstate.DirState.NULLSTAT
243
 
        expected = {
244
 
            '':(('', '', 'TREE_ROOT'), [
245
 
                  ('d', '', 0, False, null_stat),
246
 
                  ('d', '', 0, False, revision_id),
247
 
                ]),
248
 
            'a':(('', 'a', 'a-id'), [
249
 
                   ('f', '', 0, False, null_stat),
250
 
                   ('f', a_sha, a_len, False, revision_id),
251
 
                 ]),
252
 
            'b':(('', 'b', 'b-id'), [
253
 
                  ('d', '', 0, False, null_stat),
254
 
                  ('d', '', 0, False, revision_id),
255
 
                 ]),
256
 
            'b/c':(('b', 'c', 'c-id'), [
257
 
                    ('f', '', 0, False, null_stat),
258
 
                    ('f', c_sha, c_len, False, revision_id),
259
 
                   ]),
260
 
            'b/d':(('b', 'd', 'd-id'), [
261
 
                    ('d', '', 0, False, null_stat),
262
 
                    ('d', '', 0, False, revision_id),
263
 
                   ]),
264
 
            'b/d/e':(('b/d', 'e', 'e-id'), [
265
 
                      ('f', '', 0, False, null_stat),
266
 
                      ('f', e_sha, e_len, False, revision_id),
267
 
                     ]),
268
 
            'b-c':(('', 'b-c', 'b-c-id'), [
269
 
                      ('f', '', 0, False, null_stat),
270
 
                      ('f', b_c_sha, b_c_len, False, revision_id),
271
 
                     ]),
272
 
            'f':(('', 'f', 'f-id'), [
273
 
                  ('f', '', 0, False, null_stat),
274
 
                  ('f', f_sha, f_len, False, revision_id),
275
 
                 ]),
276
 
        }
277
 
        state = dirstate.DirState.from_tree(tree, 'dirstate')
278
 
        try:
279
 
            state.save()
280
 
        finally:
281
 
            state.unlock()
282
 
        # Use a different object, to make sure nothing is pre-cached in memory.
283
 
        state = dirstate.DirState.on_file('dirstate')
284
 
        state.lock_read()
285
 
        self.addCleanup(state.unlock)
286
 
        self.assertEqual(dirstate.DirState.NOT_IN_MEMORY,
287
 
                         state._dirblock_state)
288
 
        # This is code is only really tested if we actually have to make more
289
 
        # than one read, so set the page size to something smaller.
290
 
        # We want it to contain about 2.2 records, so that we have a couple
291
 
        # records that we can read per attempt
292
 
        state._bisect_page_size = 200
293
 
        return tree, state, expected
294
 
 
295
 
    def create_duplicated_dirstate(self):
296
 
        """Create a dirstate with a deleted and added entries.
297
 
 
298
 
        This grabs a basic_dirstate, and then removes and re adds every entry
299
 
        with a new file id.
300
 
        """
301
 
        tree, state, expected = self.create_basic_dirstate()
302
 
        # Now we will just remove and add every file so we get an extra entry
303
 
        # per entry. Unversion in reverse order so we handle subdirs
304
 
        tree.unversion(['f-id', 'b-c-id', 'e-id', 'd-id', 'c-id', 'b-id', 'a-id'])
305
 
        tree.add(['a', 'b', 'b/c', 'b/d', 'b/d/e', 'b-c', 'f'],
306
 
                 ['a-id2', 'b-id2', 'c-id2', 'd-id2', 'e-id2', 'b-c-id2', 'f-id2'])
307
 
 
308
 
        # Update the expected dictionary.
309
 
        for path in ['a', 'b', 'b/c', 'b/d', 'b/d/e', 'b-c', 'f']:
310
 
            orig = expected[path]
311
 
            path2 = path + '2'
312
 
            # This record was deleted in the current tree
313
 
            expected[path] = (orig[0], [dirstate.DirState.NULL_PARENT_DETAILS,
314
 
                                        orig[1][1]])
315
 
            new_key = (orig[0][0], orig[0][1], orig[0][2]+'2')
316
 
            # And didn't exist in the basis tree
317
 
            expected[path2] = (new_key, [orig[1][0],
318
 
                                         dirstate.DirState.NULL_PARENT_DETAILS])
319
 
 
320
 
        # We will replace the 'dirstate' file underneath 'state', but that is
321
 
        # okay as lock as we unlock 'state' first.
322
 
        state.unlock()
323
 
        try:
324
 
            new_state = dirstate.DirState.from_tree(tree, 'dirstate')
325
 
            try:
326
 
                new_state.save()
327
 
            finally:
328
 
                new_state.unlock()
329
 
        finally:
330
 
            # But we need to leave state in a read-lock because we already have
331
 
            # a cleanup scheduled
332
 
            state.lock_read()
333
 
        return tree, state, expected
334
 
 
335
 
    def create_renamed_dirstate(self):
336
 
        """Create a dirstate with a few internal renames.
337
 
 
338
 
        This takes the basic dirstate, and moves the paths around.
339
 
        """
340
 
        tree, state, expected = self.create_basic_dirstate()
341
 
        # Rename a file
342
 
        tree.rename_one('a', 'b/g')
343
 
        # And a directory
344
 
        tree.rename_one('b/d', 'h')
345
 
 
346
 
        old_a = expected['a']
347
 
        expected['a'] = (old_a[0], [('r', 'b/g', 0, False, ''), old_a[1][1]])
348
 
        expected['b/g'] = (('b', 'g', 'a-id'), [old_a[1][0],
349
 
                                                ('r', 'a', 0, False, '')])
350
 
        old_d = expected['b/d']
351
 
        expected['b/d'] = (old_d[0], [('r', 'h', 0, False, ''), old_d[1][1]])
352
 
        expected['h'] = (('', 'h', 'd-id'), [old_d[1][0],
353
 
                                             ('r', 'b/d', 0, False, '')])
354
 
 
355
 
        old_e = expected['b/d/e']
356
 
        expected['b/d/e'] = (old_e[0], [('r', 'h/e', 0, False, ''),
357
 
                             old_e[1][1]])
358
 
        expected['h/e'] = (('h', 'e', 'e-id'), [old_e[1][0],
359
 
                                                ('r', 'b/d/e', 0, False, '')])
360
 
 
361
 
        state.unlock()
362
 
        try:
363
 
            new_state = dirstate.DirState.from_tree(tree, 'dirstate')
364
 
            try:
365
 
                new_state.save()
366
 
            finally:
367
 
                new_state.unlock()
368
 
        finally:
369
 
            state.lock_read()
370
 
        return tree, state, expected
371
 
 
372
 
 
373
 
class TestTreeToDirState(TestCaseWithDirState):
374
 
 
375
 
    def test_empty_to_dirstate(self):
376
 
        """We should be able to create a dirstate for an empty tree."""
377
 
        # There are no files on disk and no parents
378
 
        tree = self.make_branch_and_tree('tree')
379
 
        expected_result = ([], [
380
 
            (('', '', tree.get_root_id()), # common details
381
 
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
382
 
             ])])
383
 
        state = dirstate.DirState.from_tree(tree, 'dirstate')
384
 
        state._validate()
385
 
        self.check_state_with_reopen(expected_result, state)
386
 
 
387
 
    def test_1_parents_empty_to_dirstate(self):
388
 
        # create a parent by doing a commit
389
 
        tree = self.make_branch_and_tree('tree')
390
 
        rev_id = tree.commit('first post').encode('utf8')
391
 
        root_stat_pack = dirstate.pack_stat(os.stat(tree.basedir))
392
 
        expected_result = ([rev_id], [
393
 
            (('', '', tree.get_root_id()), # common details
394
 
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
395
 
              ('d', '', 0, False, rev_id), # first parent details
396
 
             ])])
397
 
        state = dirstate.DirState.from_tree(tree, 'dirstate')
398
 
        self.check_state_with_reopen(expected_result, state)
399
 
        state.lock_read()
400
 
        try:
401
 
            state._validate()
402
 
        finally:
403
 
            state.unlock()
404
 
 
405
 
    def test_2_parents_empty_to_dirstate(self):
406
 
        # create a parent by doing a commit
407
 
        tree = self.make_branch_and_tree('tree')
408
 
        rev_id = tree.commit('first post')
409
 
        tree2 = tree.bzrdir.sprout('tree2').open_workingtree()
410
 
        rev_id2 = tree2.commit('second post', allow_pointless=True)
411
 
        tree.merge_from_branch(tree2.branch)
412
 
        expected_result = ([rev_id, rev_id2], [
413
 
            (('', '', tree.get_root_id()), # common details
414
 
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
415
 
              ('d', '', 0, False, rev_id), # first parent details
416
 
              ('d', '', 0, False, rev_id), # second parent details
417
 
             ])])
418
 
        state = dirstate.DirState.from_tree(tree, 'dirstate')
419
 
        self.check_state_with_reopen(expected_result, state)
420
 
        state.lock_read()
421
 
        try:
422
 
            state._validate()
423
 
        finally:
424
 
            state.unlock()
425
 
 
426
 
    def test_empty_unknowns_are_ignored_to_dirstate(self):
427
 
        """We should be able to create a dirstate for an empty tree."""
428
 
        # There are no files on disk and no parents
429
 
        tree = self.make_branch_and_tree('tree')
430
 
        self.build_tree(['tree/unknown'])
431
 
        expected_result = ([], [
432
 
            (('', '', tree.get_root_id()), # common details
433
 
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
434
 
             ])])
435
 
        state = dirstate.DirState.from_tree(tree, 'dirstate')
436
 
        self.check_state_with_reopen(expected_result, state)
437
 
 
438
 
    def get_tree_with_a_file(self):
439
 
        tree = self.make_branch_and_tree('tree')
440
 
        self.build_tree(['tree/a file'])
441
 
        tree.add('a file', 'a-file-id')
442
 
        return tree
443
 
 
444
 
    def test_non_empty_no_parents_to_dirstate(self):
445
 
        """We should be able to create a dirstate for an empty tree."""
446
 
        # There are files on disk and no parents
447
 
        tree = self.get_tree_with_a_file()
448
 
        expected_result = ([], [
449
 
            (('', '', tree.get_root_id()), # common details
450
 
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
451
 
             ]),
452
 
            (('', 'a file', 'a-file-id'), # common
453
 
             [('f', '', 0, False, dirstate.DirState.NULLSTAT), # current
454
 
             ]),
455
 
            ])
456
 
        state = dirstate.DirState.from_tree(tree, 'dirstate')
457
 
        self.check_state_with_reopen(expected_result, state)
458
 
 
459
 
    def test_1_parents_not_empty_to_dirstate(self):
460
 
        # create a parent by doing a commit
461
 
        tree = self.get_tree_with_a_file()
462
 
        rev_id = tree.commit('first post').encode('utf8')
463
 
        # change the current content to be different this will alter stat, sha
464
 
        # and length:
465
 
        self.build_tree_contents([('tree/a file', 'new content\n')])
466
 
        expected_result = ([rev_id], [
467
 
            (('', '', tree.get_root_id()), # common details
468
 
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
469
 
              ('d', '', 0, False, rev_id), # first parent details
470
 
             ]),
471
 
            (('', 'a file', 'a-file-id'), # common
472
 
             [('f', '', 0, False, dirstate.DirState.NULLSTAT), # current
473
 
              ('f', 'c3ed76e4bfd45ff1763ca206055bca8e9fc28aa8', 24, False,
474
 
               rev_id), # first parent
475
 
             ]),
476
 
            ])
477
 
        state = dirstate.DirState.from_tree(tree, 'dirstate')
478
 
        self.check_state_with_reopen(expected_result, state)
479
 
 
480
 
    def test_2_parents_not_empty_to_dirstate(self):
481
 
        # create a parent by doing a commit
482
 
        tree = self.get_tree_with_a_file()
483
 
        rev_id = tree.commit('first post').encode('utf8')
484
 
        tree2 = tree.bzrdir.sprout('tree2').open_workingtree()
485
 
        # change the current content to be different this will alter stat, sha
486
 
        # and length:
487
 
        self.build_tree_contents([('tree2/a file', 'merge content\n')])
488
 
        rev_id2 = tree2.commit('second post').encode('utf8')
489
 
        tree.merge_from_branch(tree2.branch)
490
 
        # change the current content to be different this will alter stat, sha
491
 
        # and length again, giving us three distinct values:
492
 
        self.build_tree_contents([('tree/a file', 'new content\n')])
493
 
        expected_result = ([rev_id, rev_id2], [
494
 
            (('', '', tree.get_root_id()), # common details
495
 
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
496
 
              ('d', '', 0, False, rev_id), # first parent details
497
 
              ('d', '', 0, False, rev_id), # second parent details
498
 
             ]),
499
 
            (('', 'a file', 'a-file-id'), # common
500
 
             [('f', '', 0, False, dirstate.DirState.NULLSTAT), # current
501
 
              ('f', 'c3ed76e4bfd45ff1763ca206055bca8e9fc28aa8', 24, False,
502
 
               rev_id), # first parent
503
 
              ('f', '314d796174c9412647c3ce07dfb5d36a94e72958', 14, False,
504
 
               rev_id2), # second parent
505
 
             ]),
506
 
            ])
507
 
        state = dirstate.DirState.from_tree(tree, 'dirstate')
508
 
        self.check_state_with_reopen(expected_result, state)
509
 
 
510
 
    def test_colliding_fileids(self):
511
 
        # test insertion of parents creating several entries at the same path.
512
 
        # we used to have a bug where they could cause the dirstate to break
513
 
        # its ordering invariants.
514
 
        # create some trees to test from
515
 
        parents = []
516
 
        for i in range(7):
517
 
            tree = self.make_branch_and_tree('tree%d' % i)
518
 
            self.build_tree(['tree%d/name' % i,])
519
 
            tree.add(['name'], ['file-id%d' % i])
520
 
            revision_id = 'revid-%d' % i
521
 
            tree.commit('message', rev_id=revision_id)
522
 
            parents.append((revision_id,
523
 
                tree.branch.repository.revision_tree(revision_id)))
524
 
        # now fold these trees into a dirstate
525
 
        state = dirstate.DirState.initialize('dirstate')
526
 
        try:
527
 
            state.set_parent_trees(parents, [])
528
 
            state._validate()
529
 
        finally:
530
 
            state.unlock()
531
 
 
532
 
 
533
 
class TestDirStateOnFile(TestCaseWithDirState):
534
 
 
535
 
    def test_construct_with_path(self):
536
 
        tree = self.make_branch_and_tree('tree')
537
 
        state = dirstate.DirState.from_tree(tree, 'dirstate.from_tree')
538
 
        # we want to be able to get the lines of the dirstate that we will
539
 
        # write to disk.
540
 
        lines = state.get_lines()
541
 
        state.unlock()
542
 
        self.build_tree_contents([('dirstate', ''.join(lines))])
543
 
        # get a state object
544
 
        # no parents, default tree content
545
 
        expected_result = ([], [
546
 
            (('', '', tree.get_root_id()), # common details
547
 
             # current tree details, but new from_tree skips statting, it
548
 
             # uses set_state_from_inventory, and thus depends on the
549
 
             # inventory state.
550
 
             [('d', '', 0, False, dirstate.DirState.NULLSTAT),
551
 
             ])
552
 
            ])
553
 
        state = dirstate.DirState.on_file('dirstate')
554
 
        state.lock_write() # check_state_with_reopen will save() and unlock it
555
 
        self.check_state_with_reopen(expected_result, state)
556
 
 
557
 
    def test_can_save_clean_on_file(self):
558
 
        tree = self.make_branch_and_tree('tree')
559
 
        state = dirstate.DirState.from_tree(tree, 'dirstate')
560
 
        try:
561
 
            # doing a save should work here as there have been no changes.
562
 
            state.save()
563
 
            # TODO: stat it and check it hasn't changed; may require waiting
564
 
            # for the state accuracy window.
565
 
        finally:
566
 
            state.unlock()
567
 
 
568
 
    def test_can_save_in_read_lock(self):
569
 
        self.build_tree(['a-file'])
570
 
        state = dirstate.DirState.initialize('dirstate')
571
 
        try:
572
 
            # No stat and no sha1 sum.
573
 
            state.add('a-file', 'a-file-id', 'file', None, '')
574
 
            state.save()
575
 
        finally:
576
 
            state.unlock()
577
 
 
578
 
        # Now open in readonly mode
579
 
        state = dirstate.DirState.on_file('dirstate')
580
 
        state.lock_read()
581
 
        try:
582
 
            entry = state._get_entry(0, path_utf8='a-file')
583
 
            # The current size should be 0 (default)
584
 
            self.assertEqual(0, entry[1][0][2])
585
 
            # We should have a real entry.
586
 
            self.assertNotEqual((None, None), entry)
587
 
            # Make sure everything is old enough
588
 
            state._sha_cutoff_time()
589
 
            state._cutoff_time += 10
590
 
            # Change the file length
591
 
            self.build_tree_contents([('a-file', 'shorter')])
592
 
            sha1sum = dirstate.update_entry(state, entry, 'a-file',
593
 
                os.lstat('a-file'))
594
 
            # new file, no cached sha:
595
 
            self.assertEqual(None, sha1sum)
596
 
 
597
 
            # The dirblock has been updated
598
 
            self.assertEqual(7, entry[1][0][2])
599
 
            self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
600
 
                             state._dirblock_state)
601
 
 
602
 
            del entry
603
 
            # Now, since we are the only one holding a lock, we should be able
604
 
            # to save and have it written to disk
605
 
            state.save()
606
 
        finally:
607
 
            state.unlock()
608
 
 
609
 
        # Re-open the file, and ensure that the state has been updated.
610
 
        state = dirstate.DirState.on_file('dirstate')
611
 
        state.lock_read()
612
 
        try:
613
 
            entry = state._get_entry(0, path_utf8='a-file')
614
 
            self.assertEqual(7, entry[1][0][2])
615
 
        finally:
616
 
            state.unlock()
617
 
 
618
 
    def test_save_fails_quietly_if_locked(self):
619
 
        """If dirstate is locked, save will fail without complaining."""
620
 
        self.build_tree(['a-file'])
621
 
        state = dirstate.DirState.initialize('dirstate')
622
 
        try:
623
 
            # No stat and no sha1 sum.
624
 
            state.add('a-file', 'a-file-id', 'file', None, '')
625
 
            state.save()
626
 
        finally:
627
 
            state.unlock()
628
 
 
629
 
        state = dirstate.DirState.on_file('dirstate')
630
 
        state.lock_read()
631
 
        try:
632
 
            entry = state._get_entry(0, path_utf8='a-file')
633
 
            sha1sum = dirstate.update_entry(state, entry, 'a-file',
634
 
                os.lstat('a-file'))
635
 
            # No sha - too new
636
 
            self.assertEqual(None, sha1sum)
637
 
            self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
638
 
                             state._dirblock_state)
639
 
 
640
 
            # Now, before we try to save, grab another dirstate, and take out a
641
 
            # read lock.
642
 
            # TODO: jam 20070315 Ideally this would be locked by another
643
 
            #       process. To make sure the file is really OS locked.
644
 
            state2 = dirstate.DirState.on_file('dirstate')
645
 
            state2.lock_read()
646
 
            try:
647
 
                # This won't actually write anything, because it couldn't grab
648
 
                # a write lock. But it shouldn't raise an error, either.
649
 
                # TODO: jam 20070315 We should probably distinguish between
650
 
                #       being dirty because of 'update_entry'. And dirty
651
 
                #       because of real modification. So that save() *does*
652
 
                #       raise a real error if it fails when we have real
653
 
                #       modifications.
654
 
                state.save()
655
 
            finally:
656
 
                state2.unlock()
657
 
        finally:
658
 
            state.unlock()
659
 
 
660
 
        # The file on disk should not be modified.
661
 
        state = dirstate.DirState.on_file('dirstate')
662
 
        state.lock_read()
663
 
        try:
664
 
            entry = state._get_entry(0, path_utf8='a-file')
665
 
            self.assertEqual('', entry[1][0][1])
666
 
        finally:
667
 
            state.unlock()
668
 
 
669
 
    def test_save_refuses_if_changes_aborted(self):
670
 
        self.build_tree(['a-file', 'a-dir/'])
671
 
        state = dirstate.DirState.initialize('dirstate')
672
 
        try:
673
 
            # No stat and no sha1 sum.
674
 
            state.add('a-file', 'a-file-id', 'file', None, '')
675
 
            state.save()
676
 
        finally:
677
 
            state.unlock()
678
 
 
679
 
        # The dirstate should include TREE_ROOT and 'a-file' and nothing else
680
 
        expected_blocks = [
681
 
            ('', [(('', '', 'TREE_ROOT'),
682
 
                   [('d', '', 0, False, dirstate.DirState.NULLSTAT)])]),
683
 
            ('', [(('', 'a-file', 'a-file-id'),
684
 
                   [('f', '', 0, False, dirstate.DirState.NULLSTAT)])]),
685
 
        ]
686
 
 
687
 
        state = dirstate.DirState.on_file('dirstate')
688
 
        state.lock_write()
689
 
        try:
690
 
            state._read_dirblocks_if_needed()
691
 
            self.assertEqual(expected_blocks, state._dirblocks)
692
 
 
693
 
            # Now modify the state, but mark it as inconsistent
694
 
            state.add('a-dir', 'a-dir-id', 'directory', None, '')
695
 
            state._changes_aborted = True
696
 
            state.save()
697
 
        finally:
698
 
            state.unlock()
699
 
 
700
 
        state = dirstate.DirState.on_file('dirstate')
701
 
        state.lock_read()
702
 
        try:
703
 
            state._read_dirblocks_if_needed()
704
 
            self.assertEqual(expected_blocks, state._dirblocks)
705
 
        finally:
706
 
            state.unlock()
707
 
 
708
 
 
709
 
class TestDirStateInitialize(TestCaseWithDirState):
710
 
 
711
 
    def test_initialize(self):
712
 
        expected_result = ([], [
713
 
            (('', '', 'TREE_ROOT'), # common details
714
 
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
715
 
             ])
716
 
            ])
717
 
        state = dirstate.DirState.initialize('dirstate')
718
 
        try:
719
 
            self.assertIsInstance(state, dirstate.DirState)
720
 
            lines = state.get_lines()
721
 
        finally:
722
 
            state.unlock()
723
 
        # On win32 you can't read from a locked file, even within the same
724
 
        # process. So we have to unlock and release before we check the file
725
 
        # contents.
726
 
        self.assertFileEqual(''.join(lines), 'dirstate')
727
 
        state.lock_read() # check_state_with_reopen will unlock
728
 
        self.check_state_with_reopen(expected_result, state)
729
 
 
730
 
 
731
 
class TestDirStateManipulations(TestCaseWithDirState):
732
 
 
733
 
    def test_set_state_from_inventory_no_content_no_parents(self):
734
 
        # setting the current inventory is a slow but important api to support.
735
 
        tree1 = self.make_branch_and_memory_tree('tree1')
736
 
        tree1.lock_write()
737
 
        try:
738
 
            tree1.add('')
739
 
            revid1 = tree1.commit('foo').encode('utf8')
740
 
            root_id = tree1.get_root_id()
741
 
            inv = tree1.inventory
742
 
        finally:
743
 
            tree1.unlock()
744
 
        expected_result = [], [
745
 
            (('', '', root_id), [
746
 
             ('d', '', 0, False, dirstate.DirState.NULLSTAT)])]
747
 
        state = dirstate.DirState.initialize('dirstate')
748
 
        try:
749
 
            state.set_state_from_inventory(inv)
750
 
            self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
751
 
                             state._header_state)
752
 
            self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
753
 
                             state._dirblock_state)
754
 
        except:
755
 
            state.unlock()
756
 
            raise
757
 
        else:
758
 
            # This will unlock it
759
 
            self.check_state_with_reopen(expected_result, state)
760
 
 
761
 
    def test_set_state_from_inventory_preserves_hashcache(self):
762
 
        # https://bugs.launchpad.net/bzr/+bug/146176
763
 
        # set_state_from_inventory should preserve the stat and hash value for
764
 
        # workingtree files that are not changed by the inventory.
765
 
 
766
 
        tree = self.make_branch_and_tree('.')
767
 
        # depends on the default format using dirstate...
768
 
        tree.lock_write()
769
 
        try:
770
 
            # make a dirstate with some valid hashcache data
771
 
            # file on disk, but that's not needed for this test
772
 
            foo_contents = 'contents of foo'
773
 
            self.build_tree_contents([('foo', foo_contents)])
774
 
            tree.add('foo', 'foo-id')
775
 
 
776
 
            foo_stat = os.stat('foo')
777
 
            foo_packed = dirstate.pack_stat(foo_stat)
778
 
            foo_sha = osutils.sha_string(foo_contents)
779
 
            foo_size = len(foo_contents)
780
 
 
781
 
            # should not be cached yet, because the file's too fresh
782
 
            self.assertEqual(
783
 
                (('', 'foo', 'foo-id',),
784
 
                 [('f', '', 0, False, dirstate.DirState.NULLSTAT)]),
785
 
                tree._dirstate._get_entry(0, 'foo-id'))
786
 
            # poke in some hashcache information - it wouldn't normally be
787
 
            # stored because it's too fresh
788
 
            tree._dirstate.update_minimal(
789
 
                ('', 'foo', 'foo-id'),
790
 
                'f', False, foo_sha, foo_packed, foo_size, 'foo')
791
 
            # now should be cached
792
 
            self.assertEqual(
793
 
                (('', 'foo', 'foo-id',),
794
 
                 [('f', foo_sha, foo_size, False, foo_packed)]),
795
 
                tree._dirstate._get_entry(0, 'foo-id'))
796
 
 
797
 
            # extract the inventory, and add something to it
798
 
            inv = tree._get_inventory()
799
 
            # should see the file we poked in...
800
 
            self.assertTrue(inv.has_id('foo-id'))
801
 
            self.assertTrue(inv.has_filename('foo'))
802
 
            inv.add_path('bar', 'file', 'bar-id')
803
 
            tree._dirstate._validate()
804
 
            # this used to cause it to lose its hashcache
805
 
            tree._dirstate.set_state_from_inventory(inv)
806
 
            tree._dirstate._validate()
807
 
        finally:
808
 
            tree.unlock()
809
 
 
810
 
        tree.lock_read()
811
 
        try:
812
 
            # now check that the state still has the original hashcache value
813
 
            state = tree._dirstate
814
 
            state._validate()
815
 
            foo_tuple = state._get_entry(0, path_utf8='foo')
816
 
            self.assertEqual(
817
 
                (('', 'foo', 'foo-id',),
818
 
                 [('f', foo_sha, len(foo_contents), False,
819
 
                   dirstate.pack_stat(foo_stat))]),
820
 
                foo_tuple)
821
 
        finally:
822
 
            tree.unlock()
823
 
 
824
 
    def test_set_state_from_inventory_mixed_paths(self):
825
 
        tree1 = self.make_branch_and_tree('tree1')
826
 
        self.build_tree(['tree1/a/', 'tree1/a/b/', 'tree1/a-b/',
827
 
                         'tree1/a/b/foo', 'tree1/a-b/bar'])
828
 
        tree1.lock_write()
829
 
        try:
830
 
            tree1.add(['a', 'a/b', 'a-b', 'a/b/foo', 'a-b/bar'],
831
 
                      ['a-id', 'b-id', 'a-b-id', 'foo-id', 'bar-id'])
832
 
            tree1.commit('rev1', rev_id='rev1')
833
 
            root_id = tree1.get_root_id()
834
 
            inv = tree1.inventory
835
 
        finally:
836
 
            tree1.unlock()
837
 
        expected_result1 = [('', '', root_id, 'd'),
838
 
                            ('', 'a', 'a-id', 'd'),
839
 
                            ('', 'a-b', 'a-b-id', 'd'),
840
 
                            ('a', 'b', 'b-id', 'd'),
841
 
                            ('a/b', 'foo', 'foo-id', 'f'),
842
 
                            ('a-b', 'bar', 'bar-id', 'f'),
843
 
                           ]
844
 
        expected_result2 = [('', '', root_id, 'd'),
845
 
                            ('', 'a', 'a-id', 'd'),
846
 
                            ('', 'a-b', 'a-b-id', 'd'),
847
 
                            ('a-b', 'bar', 'bar-id', 'f'),
848
 
                           ]
849
 
        state = dirstate.DirState.initialize('dirstate')
850
 
        try:
851
 
            state.set_state_from_inventory(inv)
852
 
            values = []
853
 
            for entry in state._iter_entries():
854
 
                values.append(entry[0] + entry[1][0][:1])
855
 
            self.assertEqual(expected_result1, values)
856
 
            del inv['b-id']
857
 
            state.set_state_from_inventory(inv)
858
 
            values = []
859
 
            for entry in state._iter_entries():
860
 
                values.append(entry[0] + entry[1][0][:1])
861
 
            self.assertEqual(expected_result2, values)
862
 
        finally:
863
 
            state.unlock()
864
 
 
865
 
    def test_set_path_id_no_parents(self):
866
 
        """The id of a path can be changed trivally with no parents."""
867
 
        state = dirstate.DirState.initialize('dirstate')
868
 
        try:
869
 
            # check precondition to be sure the state does change appropriately.
870
 
            root_entry = (('', '', 'TREE_ROOT'), [('d', '', 0, False, 'x'*32)])
871
 
            self.assertEqual([root_entry], list(state._iter_entries()))
872
 
            self.assertEqual(root_entry, state._get_entry(0, path_utf8=''))
873
 
            self.assertEqual(root_entry,
874
 
                             state._get_entry(0, fileid_utf8='TREE_ROOT'))
875
 
            self.assertEqual((None, None),
876
 
                             state._get_entry(0, fileid_utf8='second-root-id'))
877
 
            state.set_path_id('', 'second-root-id')
878
 
            new_root_entry = (('', '', 'second-root-id'),
879
 
                              [('d', '', 0, False, 'x'*32)])
880
 
            expected_rows = [new_root_entry]
881
 
            self.assertEqual(expected_rows, list(state._iter_entries()))
882
 
            self.assertEqual(new_root_entry, state._get_entry(0, path_utf8=''))
883
 
            self.assertEqual(new_root_entry, 
884
 
                             state._get_entry(0, fileid_utf8='second-root-id'))
885
 
            self.assertEqual((None, None),
886
 
                             state._get_entry(0, fileid_utf8='TREE_ROOT'))
887
 
            # should work across save too
888
 
            state.save()
889
 
        finally:
890
 
            state.unlock()
891
 
        state = dirstate.DirState.on_file('dirstate')
892
 
        state.lock_read()
893
 
        try:
894
 
            state._validate()
895
 
            self.assertEqual(expected_rows, list(state._iter_entries()))
896
 
        finally:
897
 
            state.unlock()
898
 
 
899
 
    def test_set_path_id_with_parents(self):
900
 
        """Set the root file id in a dirstate with parents"""
901
 
        mt = self.make_branch_and_tree('mt')
902
 
        # in case the default tree format uses a different root id
903
 
        mt.set_root_id('TREE_ROOT')
904
 
        mt.commit('foo', rev_id='parent-revid')
905
 
        rt = mt.branch.repository.revision_tree('parent-revid')
906
 
        state = dirstate.DirState.initialize('dirstate')
907
 
        state._validate()
908
 
        try:
909
 
            state.set_parent_trees([('parent-revid', rt)], ghosts=[])
910
 
            root_entry = (('', '', 'TREE_ROOT'),
911
 
                          [('d', '', 0, False, 'x'*32),
912
 
                           ('d', '', 0, False, 'parent-revid')])
913
 
            self.assertEqual(root_entry, state._get_entry(0, path_utf8=''))
914
 
            self.assertEqual(root_entry,
915
 
                             state._get_entry(0, fileid_utf8='TREE_ROOT'))
916
 
            self.assertEqual((None, None),
917
 
                             state._get_entry(0, fileid_utf8='Asecond-root-id'))
918
 
            state.set_path_id('', 'Asecond-root-id')
919
 
            state._validate()
920
 
            # now see that it is what we expected
921
 
            old_root_entry = (('', '', 'TREE_ROOT'),
922
 
                              [('a', '', 0, False, ''),
923
 
                               ('d', '', 0, False, 'parent-revid')])
924
 
            new_root_entry = (('', '', 'Asecond-root-id'),
925
 
                              [('d', '', 0, False, ''),
926
 
                               ('a', '', 0, False, '')])
927
 
            expected_rows = [new_root_entry, old_root_entry]
928
 
            state._validate()
929
 
            self.assertEqual(expected_rows, list(state._iter_entries()))
930
 
            self.assertEqual(new_root_entry, state._get_entry(0, path_utf8=''))
931
 
            self.assertEqual(old_root_entry, state._get_entry(1, path_utf8=''))
932
 
            self.assertEqual((None, None),
933
 
                             state._get_entry(0, fileid_utf8='TREE_ROOT'))
934
 
            self.assertEqual(old_root_entry,
935
 
                             state._get_entry(1, fileid_utf8='TREE_ROOT'))
936
 
            self.assertEqual(new_root_entry,
937
 
                             state._get_entry(0, fileid_utf8='Asecond-root-id'))
938
 
            self.assertEqual((None, None),
939
 
                             state._get_entry(1, fileid_utf8='Asecond-root-id'))
940
 
            # should work across save too
941
 
            state.save()
942
 
        finally:
943
 
            state.unlock()
944
 
        # now flush & check we get the same
945
 
        state = dirstate.DirState.on_file('dirstate')
946
 
        state.lock_read()
947
 
        try:
948
 
            state._validate()
949
 
            self.assertEqual(expected_rows, list(state._iter_entries()))
950
 
        finally:
951
 
            state.unlock()
952
 
        # now change within an existing file-backed state
953
 
        state.lock_write()
954
 
        try:
955
 
            state._validate()
956
 
            state.set_path_id('', 'tree-root-2')
957
 
            state._validate()
958
 
        finally:
959
 
            state.unlock()
960
 
 
961
 
    def test_set_parent_trees_no_content(self):
962
 
        # set_parent_trees is a slow but important api to support.
963
 
        tree1 = self.make_branch_and_memory_tree('tree1')
964
 
        tree1.lock_write()
965
 
        try:
966
 
            tree1.add('')
967
 
            revid1 = tree1.commit('foo')
968
 
        finally:
969
 
            tree1.unlock()
970
 
        branch2 = tree1.branch.bzrdir.clone('tree2').open_branch()
971
 
        tree2 = memorytree.MemoryTree.create_on_branch(branch2)
972
 
        tree2.lock_write()
973
 
        try:
974
 
            revid2 = tree2.commit('foo')
975
 
            root_id = tree2.get_root_id()
976
 
        finally:
977
 
            tree2.unlock()
978
 
        state = dirstate.DirState.initialize('dirstate')
979
 
        try:
980
 
            state.set_path_id('', root_id)
981
 
            state.set_parent_trees(
982
 
                ((revid1, tree1.branch.repository.revision_tree(revid1)),
983
 
                 (revid2, tree2.branch.repository.revision_tree(revid2)),
984
 
                 ('ghost-rev', None)),
985
 
                ['ghost-rev'])
986
 
            # check we can reopen and use the dirstate after setting parent
987
 
            # trees.
988
 
            state._validate()
989
 
            state.save()
990
 
            state._validate()
991
 
        finally:
992
 
            state.unlock()
993
 
        state = dirstate.DirState.on_file('dirstate')
994
 
        state.lock_write()
995
 
        try:
996
 
            self.assertEqual([revid1, revid2, 'ghost-rev'],
997
 
                             state.get_parent_ids())
998
 
            # iterating the entire state ensures that the state is parsable.
999
 
            list(state._iter_entries())
1000
 
            # be sure that it sets not appends - change it
1001
 
            state.set_parent_trees(
1002
 
                ((revid1, tree1.branch.repository.revision_tree(revid1)),
1003
 
                 ('ghost-rev', None)),
1004
 
                ['ghost-rev'])
1005
 
            # and now put it back.
1006
 
            state.set_parent_trees(
1007
 
                ((revid1, tree1.branch.repository.revision_tree(revid1)),
1008
 
                 (revid2, tree2.branch.repository.revision_tree(revid2)),
1009
 
                 ('ghost-rev', tree2.branch.repository.revision_tree(
1010
 
                                   _mod_revision.NULL_REVISION))),
1011
 
                ['ghost-rev'])
1012
 
            self.assertEqual([revid1, revid2, 'ghost-rev'],
1013
 
                             state.get_parent_ids())
1014
 
            # the ghost should be recorded as such by set_parent_trees.
1015
 
            self.assertEqual(['ghost-rev'], state.get_ghosts())
1016
 
            self.assertEqual(
1017
 
                [(('', '', root_id), [
1018
 
                  ('d', '', 0, False, dirstate.DirState.NULLSTAT),
1019
 
                  ('d', '', 0, False, revid1),
1020
 
                  ('d', '', 0, False, revid1)
1021
 
                  ])],
1022
 
                list(state._iter_entries()))
1023
 
        finally:
1024
 
            state.unlock()
1025
 
 
1026
 
    def test_set_parent_trees_file_missing_from_tree(self):
1027
 
        # Adding a parent tree may reference files not in the current state.
1028
 
        # they should get listed just once by id, even if they are in two
1029
 
        # separate trees.
1030
 
        # set_parent_trees is a slow but important api to support.
1031
 
        tree1 = self.make_branch_and_memory_tree('tree1')
1032
 
        tree1.lock_write()
1033
 
        try:
1034
 
            tree1.add('')
1035
 
            tree1.add(['a file'], ['file-id'], ['file'])
1036
 
            tree1.put_file_bytes_non_atomic('file-id', 'file-content')
1037
 
            revid1 = tree1.commit('foo')
1038
 
        finally:
1039
 
            tree1.unlock()
1040
 
        branch2 = tree1.branch.bzrdir.clone('tree2').open_branch()
1041
 
        tree2 = memorytree.MemoryTree.create_on_branch(branch2)
1042
 
        tree2.lock_write()
1043
 
        try:
1044
 
            tree2.put_file_bytes_non_atomic('file-id', 'new file-content')
1045
 
            revid2 = tree2.commit('foo')
1046
 
            root_id = tree2.get_root_id()
1047
 
        finally:
1048
 
            tree2.unlock()
1049
 
        # check the layout in memory
1050
 
        expected_result = [revid1.encode('utf8'), revid2.encode('utf8')], [
1051
 
            (('', '', root_id), [
1052
 
             ('d', '', 0, False, dirstate.DirState.NULLSTAT),
1053
 
             ('d', '', 0, False, revid1.encode('utf8')),
1054
 
             ('d', '', 0, False, revid1.encode('utf8'))
1055
 
             ]),
1056
 
            (('', 'a file', 'file-id'), [
1057
 
             ('a', '', 0, False, ''),
1058
 
             ('f', '2439573625385400f2a669657a7db6ae7515d371', 12, False,
1059
 
              revid1.encode('utf8')),
1060
 
             ('f', '542e57dc1cda4af37cb8e55ec07ce60364bb3c7d', 16, False,
1061
 
              revid2.encode('utf8'))
1062
 
             ])
1063
 
            ]
1064
 
        state = dirstate.DirState.initialize('dirstate')
1065
 
        try:
1066
 
            state.set_path_id('', root_id)
1067
 
            state.set_parent_trees(
1068
 
                ((revid1, tree1.branch.repository.revision_tree(revid1)),
1069
 
                 (revid2, tree2.branch.repository.revision_tree(revid2)),
1070
 
                 ), [])
1071
 
        except:
1072
 
            state.unlock()
1073
 
            raise
1074
 
        else:
1075
 
            # check_state_with_reopen will unlock
1076
 
            self.check_state_with_reopen(expected_result, state)
1077
 
 
1078
 
    ### add a path via _set_data - so we dont need delta work, just
1079
 
    # raw data in, and ensure that it comes out via get_lines happily.
1080
 
 
1081
 
    def test_add_path_to_root_no_parents_all_data(self):
1082
 
        # The most trivial addition of a path is when there are no parents and
1083
 
        # its in the root and all data about the file is supplied
1084
 
        self.build_tree(['a file'])
1085
 
        stat = os.lstat('a file')
1086
 
        # the 1*20 is the sha1 pretend value.
1087
 
        state = dirstate.DirState.initialize('dirstate')
1088
 
        expected_entries = [
1089
 
            (('', '', 'TREE_ROOT'), [
1090
 
             ('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
1091
 
             ]),
1092
 
            (('', 'a file', 'a-file-id'), [
1093
 
             ('f', '1'*20, 19, False, dirstate.pack_stat(stat)), # current tree
1094
 
             ]),
1095
 
            ]
1096
 
        try:
1097
 
            state.add('a file', 'a-file-id', 'file', stat, '1'*20)
1098
 
            # having added it, it should be in the output of iter_entries.
1099
 
            self.assertEqual(expected_entries, list(state._iter_entries()))
1100
 
            # saving and reloading should not affect this.
1101
 
            state.save()
1102
 
        finally:
1103
 
            state.unlock()
1104
 
        state = dirstate.DirState.on_file('dirstate')
1105
 
        state.lock_read()
1106
 
        self.addCleanup(state.unlock)
1107
 
        self.assertEqual(expected_entries, list(state._iter_entries()))
1108
 
 
1109
 
    def test_add_path_to_unversioned_directory(self):
1110
 
        """Adding a path to an unversioned directory should error.
1111
 
 
1112
 
        This is a duplicate of TestWorkingTree.test_add_in_unversioned,
1113
 
        once dirstate is stable and if it is merged with WorkingTree3, consider
1114
 
        removing this copy of the test.
1115
 
        """
1116
 
        self.build_tree(['unversioned/', 'unversioned/a file'])
1117
 
        state = dirstate.DirState.initialize('dirstate')
1118
 
        self.addCleanup(state.unlock)
1119
 
        self.assertRaises(errors.NotVersionedError, state.add,
1120
 
                          'unversioned/a file', 'a-file-id', 'file', None, None)
1121
 
 
1122
 
    def test_add_directory_to_root_no_parents_all_data(self):
1123
 
        # The most trivial addition of a dir is when there are no parents and
1124
 
        # its in the root and all data about the file is supplied
1125
 
        self.build_tree(['a dir/'])
1126
 
        stat = os.lstat('a dir')
1127
 
        expected_entries = [
1128
 
            (('', '', 'TREE_ROOT'), [
1129
 
             ('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
1130
 
             ]),
1131
 
            (('', 'a dir', 'a dir id'), [
1132
 
             ('d', '', 0, False, dirstate.pack_stat(stat)), # current tree
1133
 
             ]),
1134
 
            ]
1135
 
        state = dirstate.DirState.initialize('dirstate')
1136
 
        try:
1137
 
            state.add('a dir', 'a dir id', 'directory', stat, None)
1138
 
            # having added it, it should be in the output of iter_entries.
1139
 
            self.assertEqual(expected_entries, list(state._iter_entries()))
1140
 
            # saving and reloading should not affect this.
1141
 
            state.save()
1142
 
        finally:
1143
 
            state.unlock()
1144
 
        state = dirstate.DirState.on_file('dirstate')
1145
 
        state.lock_read()
1146
 
        self.addCleanup(state.unlock)
1147
 
        state._validate()
1148
 
        self.assertEqual(expected_entries, list(state._iter_entries()))
1149
 
 
1150
 
    def _test_add_symlink_to_root_no_parents_all_data(self, link_name, target):
1151
 
        # The most trivial addition of a symlink when there are no parents and
1152
 
        # its in the root and all data about the file is supplied
1153
 
        # bzr doesn't support fake symlinks on windows, yet.
1154
 
        self.requireFeature(tests.SymlinkFeature)
1155
 
        os.symlink(target, link_name)
1156
 
        stat = os.lstat(link_name)
1157
 
        expected_entries = [
1158
 
            (('', '', 'TREE_ROOT'), [
1159
 
             ('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
1160
 
             ]),
1161
 
            (('', link_name.encode('UTF-8'), 'a link id'), [
1162
 
             ('l', target.encode('UTF-8'), stat[6],
1163
 
              False, dirstate.pack_stat(stat)), # current tree
1164
 
             ]),
1165
 
            ]
1166
 
        state = dirstate.DirState.initialize('dirstate')
1167
 
        try:
1168
 
            state.add(link_name, 'a link id', 'symlink', stat,
1169
 
                      target.encode('UTF-8'))
1170
 
            # having added it, it should be in the output of iter_entries.
1171
 
            self.assertEqual(expected_entries, list(state._iter_entries()))
1172
 
            # saving and reloading should not affect this.
1173
 
            state.save()
1174
 
        finally:
1175
 
            state.unlock()
1176
 
        state = dirstate.DirState.on_file('dirstate')
1177
 
        state.lock_read()
1178
 
        self.addCleanup(state.unlock)
1179
 
        self.assertEqual(expected_entries, list(state._iter_entries()))
1180
 
 
1181
 
    def test_add_symlink_to_root_no_parents_all_data(self):
1182
 
        self._test_add_symlink_to_root_no_parents_all_data('a link', 'target')
1183
 
 
1184
 
    def test_add_symlink_unicode_to_root_no_parents_all_data(self):
1185
 
        self.requireFeature(tests.UnicodeFilenameFeature)
1186
 
        self._test_add_symlink_to_root_no_parents_all_data(
1187
 
            u'\N{Euro Sign}link', u'targ\N{Euro Sign}et')
1188
 
 
1189
 
    def test_add_directory_and_child_no_parents_all_data(self):
1190
 
        # after adding a directory, we should be able to add children to it.
1191
 
        self.build_tree(['a dir/', 'a dir/a file'])
1192
 
        dirstat = os.lstat('a dir')
1193
 
        filestat = os.lstat('a dir/a file')
1194
 
        expected_entries = [
1195
 
            (('', '', 'TREE_ROOT'), [
1196
 
             ('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
1197
 
             ]),
1198
 
            (('', 'a dir', 'a dir id'), [
1199
 
             ('d', '', 0, False, dirstate.pack_stat(dirstat)), # current tree
1200
 
             ]),
1201
 
            (('a dir', 'a file', 'a-file-id'), [
1202
 
             ('f', '1'*20, 25, False,
1203
 
              dirstate.pack_stat(filestat)), # current tree details
1204
 
             ]),
1205
 
            ]
1206
 
        state = dirstate.DirState.initialize('dirstate')
1207
 
        try:
1208
 
            state.add('a dir', 'a dir id', 'directory', dirstat, None)
1209
 
            state.add('a dir/a file', 'a-file-id', 'file', filestat, '1'*20)
1210
 
            # added it, it should be in the output of iter_entries.
1211
 
            self.assertEqual(expected_entries, list(state._iter_entries()))
1212
 
            # saving and reloading should not affect this.
1213
 
            state.save()
1214
 
        finally:
1215
 
            state.unlock()
1216
 
        state = dirstate.DirState.on_file('dirstate')
1217
 
        state.lock_read()
1218
 
        self.addCleanup(state.unlock)
1219
 
        self.assertEqual(expected_entries, list(state._iter_entries()))
1220
 
 
1221
 
    def test_add_tree_reference(self):
1222
 
        # make a dirstate and add a tree reference
1223
 
        state = dirstate.DirState.initialize('dirstate')
1224
 
        expected_entry = (
1225
 
            ('', 'subdir', 'subdir-id'),
1226
 
            [('t', 'subtree-123123', 0, False,
1227
 
              'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx')],
1228
 
            )
1229
 
        try:
1230
 
            state.add('subdir', 'subdir-id', 'tree-reference', None, 'subtree-123123')
1231
 
            entry = state._get_entry(0, 'subdir-id', 'subdir')
1232
 
            self.assertEqual(entry, expected_entry)
1233
 
            state._validate()
1234
 
            state.save()
1235
 
        finally:
1236
 
            state.unlock()
1237
 
        # now check we can read it back
1238
 
        state.lock_read()
1239
 
        self.addCleanup(state.unlock)
1240
 
        state._validate()
1241
 
        entry2 = state._get_entry(0, 'subdir-id', 'subdir')
1242
 
        self.assertEqual(entry, entry2)
1243
 
        self.assertEqual(entry, expected_entry)
1244
 
        # and lookup by id should work too
1245
 
        entry2 = state._get_entry(0, fileid_utf8='subdir-id')
1246
 
        self.assertEqual(entry, expected_entry)
1247
 
 
1248
 
    def test_add_forbidden_names(self):
1249
 
        state = dirstate.DirState.initialize('dirstate')
1250
 
        self.addCleanup(state.unlock)
1251
 
        self.assertRaises(errors.BzrError,
1252
 
            state.add, '.', 'ass-id', 'directory', None, None)
1253
 
        self.assertRaises(errors.BzrError,
1254
 
            state.add, '..', 'ass-id', 'directory', None, None)
1255
 
 
1256
 
    def test_set_state_with_rename_b_a_bug_395556(self):
1257
 
        # bug 395556 uncovered a bug where the dirstate ends up with a false
1258
 
        # relocation record - in a tree with no parents there should be no
1259
 
        # absent or relocated records. This then leads to further corruption
1260
 
        # when a commit occurs, as the incorrect relocation gathers an
1261
 
        # incorrect absent in tree 1, and future changes go to pot.
1262
 
        tree1 = self.make_branch_and_tree('tree1')
1263
 
        self.build_tree(['tree1/b'])
1264
 
        tree1.lock_write()
1265
 
        try:
1266
 
            tree1.add(['b'], ['b-id'])
1267
 
            root_id = tree1.get_root_id()
1268
 
            inv = tree1.inventory
1269
 
            state = dirstate.DirState.initialize('dirstate')
1270
 
            try:
1271
 
                # Set the initial state with 'b'
1272
 
                state.set_state_from_inventory(inv)
1273
 
                inv.rename('b-id', root_id, 'a')
1274
 
                # Set the new state with 'a', which currently corrupts.
1275
 
                state.set_state_from_inventory(inv)
1276
 
                expected_result1 = [('', '', root_id, 'd'),
1277
 
                                    ('', 'a', 'b-id', 'f'),
1278
 
                                   ]
1279
 
                values = []
1280
 
                for entry in state._iter_entries():
1281
 
                    values.append(entry[0] + entry[1][0][:1])
1282
 
                self.assertEqual(expected_result1, values)
1283
 
            finally:
1284
 
                state.unlock()
1285
 
        finally:
1286
 
            tree1.unlock()
1287
 
 
1288
 
 
1289
 
class TestGetLines(TestCaseWithDirState):
1290
 
 
1291
 
    def test_get_line_with_2_rows(self):
1292
 
        state = self.create_dirstate_with_root_and_subdir()
1293
 
        try:
1294
 
            self.assertEqual(['#bazaar dirstate flat format 3\n',
1295
 
                'crc32: 41262208\n',
1296
 
                'num_entries: 2\n',
1297
 
                '0\x00\n\x00'
1298
 
                '0\x00\n\x00'
1299
 
                '\x00\x00a-root-value\x00'
1300
 
                'd\x00\x000\x00n\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk\x00\n\x00'
1301
 
                '\x00subdir\x00subdir-id\x00'
1302
 
                'd\x00\x000\x00n\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk\x00\n\x00'
1303
 
                ], state.get_lines())
1304
 
        finally:
1305
 
            state.unlock()
1306
 
 
1307
 
    def test_entry_to_line(self):
1308
 
        state = self.create_dirstate_with_root()
1309
 
        try:
1310
 
            self.assertEqual(
1311
 
                '\x00\x00a-root-value\x00d\x00\x000\x00n'
1312
 
                '\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk',
1313
 
                state._entry_to_line(state._dirblocks[0][1][0]))
1314
 
        finally:
1315
 
            state.unlock()
1316
 
 
1317
 
    def test_entry_to_line_with_parent(self):
1318
 
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
1319
 
        root_entry = ('', '', 'a-root-value'), [
1320
 
            ('d', '', 0, False, packed_stat), # current tree details
1321
 
             # first: a pointer to the current location
1322
 
            ('a', 'dirname/basename', 0, False, ''),
1323
 
            ]
1324
 
        state = dirstate.DirState.initialize('dirstate')
1325
 
        try:
1326
 
            self.assertEqual(
1327
 
                '\x00\x00a-root-value\x00'
1328
 
                'd\x00\x000\x00n\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk\x00'
1329
 
                'a\x00dirname/basename\x000\x00n\x00',
1330
 
                state._entry_to_line(root_entry))
1331
 
        finally:
1332
 
            state.unlock()
1333
 
 
1334
 
    def test_entry_to_line_with_two_parents_at_different_paths(self):
1335
 
        # / in the tree, at / in one parent and /dirname/basename in the other.
1336
 
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
1337
 
        root_entry = ('', '', 'a-root-value'), [
1338
 
            ('d', '', 0, False, packed_stat), # current tree details
1339
 
            ('d', '', 0, False, 'rev_id'), # first parent details
1340
 
             # second: a pointer to the current location
1341
 
            ('a', 'dirname/basename', 0, False, ''),
1342
 
            ]
1343
 
        state = dirstate.DirState.initialize('dirstate')
1344
 
        try:
1345
 
            self.assertEqual(
1346
 
                '\x00\x00a-root-value\x00'
1347
 
                'd\x00\x000\x00n\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk\x00'
1348
 
                'd\x00\x000\x00n\x00rev_id\x00'
1349
 
                'a\x00dirname/basename\x000\x00n\x00',
1350
 
                state._entry_to_line(root_entry))
1351
 
        finally:
1352
 
            state.unlock()
1353
 
 
1354
 
    def test_iter_entries(self):
1355
 
        # we should be able to iterate the dirstate entries from end to end
1356
 
        # this is for get_lines to be easy to read.
1357
 
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
1358
 
        dirblocks = []
1359
 
        root_entries = [(('', '', 'a-root-value'), [
1360
 
            ('d', '', 0, False, packed_stat), # current tree details
1361
 
            ])]
1362
 
        dirblocks.append(('', root_entries))
1363
 
        # add two files in the root
1364
 
        subdir_entry = ('', 'subdir', 'subdir-id'), [
1365
 
            ('d', '', 0, False, packed_stat), # current tree details
1366
 
            ]
1367
 
        afile_entry = ('', 'afile', 'afile-id'), [
1368
 
            ('f', 'sha1value', 34, False, packed_stat), # current tree details
1369
 
            ]
1370
 
        dirblocks.append(('', [subdir_entry, afile_entry]))
1371
 
        # and one in subdir
1372
 
        file_entry2 = ('subdir', '2file', '2file-id'), [
1373
 
            ('f', 'sha1value', 23, False, packed_stat), # current tree details
1374
 
            ]
1375
 
        dirblocks.append(('subdir', [file_entry2]))
1376
 
        state = dirstate.DirState.initialize('dirstate')
1377
 
        try:
1378
 
            state._set_data([], dirblocks)
1379
 
            expected_entries = [root_entries[0], subdir_entry, afile_entry,
1380
 
                                file_entry2]
1381
 
            self.assertEqual(expected_entries, list(state._iter_entries()))
1382
 
        finally:
1383
 
            state.unlock()
1384
 
 
1385
 
 
1386
 
class TestGetBlockRowIndex(TestCaseWithDirState):
1387
 
 
1388
 
    def assertBlockRowIndexEqual(self, block_index, row_index, dir_present,
1389
 
        file_present, state, dirname, basename, tree_index):
1390
 
        self.assertEqual((block_index, row_index, dir_present, file_present),
1391
 
            state._get_block_entry_index(dirname, basename, tree_index))
1392
 
        if dir_present:
1393
 
            block = state._dirblocks[block_index]
1394
 
            self.assertEqual(dirname, block[0])
1395
 
        if dir_present and file_present:
1396
 
            row = state._dirblocks[block_index][1][row_index]
1397
 
            self.assertEqual(dirname, row[0][0])
1398
 
            self.assertEqual(basename, row[0][1])
1399
 
 
1400
 
    def test_simple_structure(self):
1401
 
        state = self.create_dirstate_with_root_and_subdir()
1402
 
        self.addCleanup(state.unlock)
1403
 
        self.assertBlockRowIndexEqual(1, 0, True, True, state, '', 'subdir', 0)
1404
 
        self.assertBlockRowIndexEqual(1, 0, True, False, state, '', 'bdir', 0)
1405
 
        self.assertBlockRowIndexEqual(1, 1, True, False, state, '', 'zdir', 0)
1406
 
        self.assertBlockRowIndexEqual(2, 0, False, False, state, 'a', 'foo', 0)
1407
 
        self.assertBlockRowIndexEqual(2, 0, False, False, state,
1408
 
                                      'subdir', 'foo', 0)
1409
 
 
1410
 
    def test_complex_structure_exists(self):
1411
 
        state = self.create_complex_dirstate()
1412
 
        self.addCleanup(state.unlock)
1413
 
        # Make sure we can find everything that exists
1414
 
        self.assertBlockRowIndexEqual(0, 0, True, True, state, '', '', 0)
1415
 
        self.assertBlockRowIndexEqual(1, 0, True, True, state, '', 'a', 0)
1416
 
        self.assertBlockRowIndexEqual(1, 1, True, True, state, '', 'b', 0)
1417
 
        self.assertBlockRowIndexEqual(1, 2, True, True, state, '', 'c', 0)
1418
 
        self.assertBlockRowIndexEqual(1, 3, True, True, state, '', 'd', 0)
1419
 
        self.assertBlockRowIndexEqual(2, 0, True, True, state, 'a', 'e', 0)
1420
 
        self.assertBlockRowIndexEqual(2, 1, True, True, state, 'a', 'f', 0)
1421
 
        self.assertBlockRowIndexEqual(3, 0, True, True, state, 'b', 'g', 0)
1422
 
        self.assertBlockRowIndexEqual(3, 1, True, True, state,
1423
 
                                      'b', 'h\xc3\xa5', 0)
1424
 
 
1425
 
    def test_complex_structure_missing(self):
1426
 
        state = self.create_complex_dirstate()
1427
 
        self.addCleanup(state.unlock)
1428
 
        # Make sure things would be inserted in the right locations
1429
 
        # '_' comes before 'a'
1430
 
        self.assertBlockRowIndexEqual(0, 0, True, True, state, '', '', 0)
1431
 
        self.assertBlockRowIndexEqual(1, 0, True, False, state, '', '_', 0)
1432
 
        self.assertBlockRowIndexEqual(1, 1, True, False, state, '', 'aa', 0)
1433
 
        self.assertBlockRowIndexEqual(1, 4, True, False, state,
1434
 
                                      '', 'h\xc3\xa5', 0)
1435
 
        self.assertBlockRowIndexEqual(2, 0, False, False, state, '_', 'a', 0)
1436
 
        self.assertBlockRowIndexEqual(3, 0, False, False, state, 'aa', 'a', 0)
1437
 
        self.assertBlockRowIndexEqual(4, 0, False, False, state, 'bb', 'a', 0)
1438
 
        # This would be inserted between a/ and b/
1439
 
        self.assertBlockRowIndexEqual(3, 0, False, False, state, 'a/e', 'a', 0)
1440
 
        # Put at the end
1441
 
        self.assertBlockRowIndexEqual(4, 0, False, False, state, 'e', 'a', 0)
1442
 
 
1443
 
 
1444
 
class TestGetEntry(TestCaseWithDirState):
1445
 
 
1446
 
    def assertEntryEqual(self, dirname, basename, file_id, state, path, index):
1447
 
        """Check that the right entry is returned for a request to getEntry."""
1448
 
        entry = state._get_entry(index, path_utf8=path)
1449
 
        if file_id is None:
1450
 
            self.assertEqual((None, None), entry)
1451
 
        else:
1452
 
            cur = entry[0]
1453
 
            self.assertEqual((dirname, basename, file_id), cur[:3])
1454
 
 
1455
 
    def test_simple_structure(self):
1456
 
        state = self.create_dirstate_with_root_and_subdir()
1457
 
        self.addCleanup(state.unlock)
1458
 
        self.assertEntryEqual('', '', 'a-root-value', state, '', 0)
1459
 
        self.assertEntryEqual('', 'subdir', 'subdir-id', state, 'subdir', 0)
1460
 
        self.assertEntryEqual(None, None, None, state, 'missing', 0)
1461
 
        self.assertEntryEqual(None, None, None, state, 'missing/foo', 0)
1462
 
        self.assertEntryEqual(None, None, None, state, 'subdir/foo', 0)
1463
 
 
1464
 
    def test_complex_structure_exists(self):
1465
 
        state = self.create_complex_dirstate()
1466
 
        self.addCleanup(state.unlock)
1467
 
        self.assertEntryEqual('', '', 'a-root-value', state, '', 0)
1468
 
        self.assertEntryEqual('', 'a', 'a-dir', state, 'a', 0)
1469
 
        self.assertEntryEqual('', 'b', 'b-dir', state, 'b', 0)
1470
 
        self.assertEntryEqual('', 'c', 'c-file', state, 'c', 0)
1471
 
        self.assertEntryEqual('', 'd', 'd-file', state, 'd', 0)
1472
 
        self.assertEntryEqual('a', 'e', 'e-dir', state, 'a/e', 0)
1473
 
        self.assertEntryEqual('a', 'f', 'f-file', state, 'a/f', 0)
1474
 
        self.assertEntryEqual('b', 'g', 'g-file', state, 'b/g', 0)
1475
 
        self.assertEntryEqual('b', 'h\xc3\xa5', 'h-\xc3\xa5-file', state,
1476
 
                              'b/h\xc3\xa5', 0)
1477
 
 
1478
 
    def test_complex_structure_missing(self):
1479
 
        state = self.create_complex_dirstate()
1480
 
        self.addCleanup(state.unlock)
1481
 
        self.assertEntryEqual(None, None, None, state, '_', 0)
1482
 
        self.assertEntryEqual(None, None, None, state, '_\xc3\xa5', 0)
1483
 
        self.assertEntryEqual(None, None, None, state, 'a/b', 0)
1484
 
        self.assertEntryEqual(None, None, None, state, 'c/d', 0)
1485
 
 
1486
 
    def test_get_entry_uninitialized(self):
1487
 
        """Calling get_entry will load data if it needs to"""
1488
 
        state = self.create_dirstate_with_root()
1489
 
        try:
1490
 
            state.save()
1491
 
        finally:
1492
 
            state.unlock()
1493
 
        del state
1494
 
        state = dirstate.DirState.on_file('dirstate')
1495
 
        state.lock_read()
1496
 
        try:
1497
 
            self.assertEqual(dirstate.DirState.NOT_IN_MEMORY,
1498
 
                             state._header_state)
1499
 
            self.assertEqual(dirstate.DirState.NOT_IN_MEMORY,
1500
 
                             state._dirblock_state)
1501
 
            self.assertEntryEqual('', '', 'a-root-value', state, '', 0)
1502
 
        finally:
1503
 
            state.unlock()
1504
 
 
1505
 
 
1506
 
class TestIterChildEntries(TestCaseWithDirState):
1507
 
 
1508
 
    def create_dirstate_with_two_trees(self):
1509
 
        """This dirstate contains multiple files and directories.
1510
 
 
1511
 
         /        a-root-value
1512
 
         a/       a-dir
1513
 
         b/       b-dir
1514
 
         c        c-file
1515
 
         d        d-file
1516
 
         a/e/     e-dir
1517
 
         a/f      f-file
1518
 
         b/g      g-file
1519
 
         b/h\xc3\xa5  h-\xc3\xa5-file  #This is u'\xe5' encoded into utf-8
1520
 
 
1521
 
        Notice that a/e is an empty directory.
1522
 
 
1523
 
        There is one parent tree, which has the same shape with the following variations:
1524
 
        b/g in the parent is gone.
1525
 
        b/h in the parent has a different id
1526
 
        b/i is new in the parent
1527
 
        c is renamed to b/j in the parent
1528
 
 
1529
 
        :return: The dirstate, still write-locked.
1530
 
        """
1531
 
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
1532
 
        null_sha = 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'
1533
 
        NULL_PARENT_DETAILS = dirstate.DirState.NULL_PARENT_DETAILS
1534
 
        root_entry = ('', '', 'a-root-value'), [
1535
 
            ('d', '', 0, False, packed_stat),
1536
 
            ('d', '', 0, False, 'parent-revid'),
1537
 
            ]
1538
 
        a_entry = ('', 'a', 'a-dir'), [
1539
 
            ('d', '', 0, False, packed_stat),
1540
 
            ('d', '', 0, False, 'parent-revid'),
1541
 
            ]
1542
 
        b_entry = ('', 'b', 'b-dir'), [
1543
 
            ('d', '', 0, False, packed_stat),
1544
 
            ('d', '', 0, False, 'parent-revid'),
1545
 
            ]
1546
 
        c_entry = ('', 'c', 'c-file'), [
1547
 
            ('f', null_sha, 10, False, packed_stat),
1548
 
            ('r', 'b/j', 0, False, ''),
1549
 
            ]
1550
 
        d_entry = ('', 'd', 'd-file'), [
1551
 
            ('f', null_sha, 20, False, packed_stat),
1552
 
            ('f', 'd', 20, False, 'parent-revid'),
1553
 
            ]
1554
 
        e_entry = ('a', 'e', 'e-dir'), [
1555
 
            ('d', '', 0, False, packed_stat),
1556
 
            ('d', '', 0, False, 'parent-revid'),
1557
 
            ]
1558
 
        f_entry = ('a', 'f', 'f-file'), [
1559
 
            ('f', null_sha, 30, False, packed_stat),
1560
 
            ('f', 'f', 20, False, 'parent-revid'),
1561
 
            ]
1562
 
        g_entry = ('b', 'g', 'g-file'), [
1563
 
            ('f', null_sha, 30, False, packed_stat),
1564
 
            NULL_PARENT_DETAILS,
1565
 
            ]
1566
 
        h_entry1 = ('b', 'h\xc3\xa5', 'h-\xc3\xa5-file1'), [
1567
 
            ('f', null_sha, 40, False, packed_stat),
1568
 
            NULL_PARENT_DETAILS,
1569
 
            ]
1570
 
        h_entry2 = ('b', 'h\xc3\xa5', 'h-\xc3\xa5-file2'), [
1571
 
            NULL_PARENT_DETAILS,
1572
 
            ('f', 'h', 20, False, 'parent-revid'),
1573
 
            ]
1574
 
        i_entry = ('b', 'i', 'i-file'), [
1575
 
            NULL_PARENT_DETAILS,
1576
 
            ('f', 'h', 20, False, 'parent-revid'),
1577
 
            ]
1578
 
        j_entry = ('b', 'j', 'c-file'), [
1579
 
            ('r', 'c', 0, False, ''),
1580
 
            ('f', 'j', 20, False, 'parent-revid'),
1581
 
            ]
1582
 
        dirblocks = []
1583
 
        dirblocks.append(('', [root_entry]))
1584
 
        dirblocks.append(('', [a_entry, b_entry, c_entry, d_entry]))
1585
 
        dirblocks.append(('a', [e_entry, f_entry]))
1586
 
        dirblocks.append(('b', [g_entry, h_entry1, h_entry2, i_entry, j_entry]))
1587
 
        state = dirstate.DirState.initialize('dirstate')
1588
 
        state._validate()
1589
 
        try:
1590
 
            state._set_data(['parent'], dirblocks)
1591
 
        except:
1592
 
            state.unlock()
1593
 
            raise
1594
 
        return state, dirblocks
1595
 
 
1596
 
    def test_iter_children_b(self):
1597
 
        state, dirblocks = self.create_dirstate_with_two_trees()
1598
 
        self.addCleanup(state.unlock)
1599
 
        expected_result = []
1600
 
        expected_result.append(dirblocks[3][1][2]) # h2
1601
 
        expected_result.append(dirblocks[3][1][3]) # i
1602
 
        expected_result.append(dirblocks[3][1][4]) # j
1603
 
        self.assertEqual(expected_result,
1604
 
            list(state._iter_child_entries(1, 'b')))
1605
 
 
1606
 
    def test_iter_child_root(self):
1607
 
        state, dirblocks = self.create_dirstate_with_two_trees()
1608
 
        self.addCleanup(state.unlock)
1609
 
        expected_result = []
1610
 
        expected_result.append(dirblocks[1][1][0]) # a
1611
 
        expected_result.append(dirblocks[1][1][1]) # b
1612
 
        expected_result.append(dirblocks[1][1][3]) # d
1613
 
        expected_result.append(dirblocks[2][1][0]) # e
1614
 
        expected_result.append(dirblocks[2][1][1]) # f
1615
 
        expected_result.append(dirblocks[3][1][2]) # h2
1616
 
        expected_result.append(dirblocks[3][1][3]) # i
1617
 
        expected_result.append(dirblocks[3][1][4]) # j
1618
 
        self.assertEqual(expected_result,
1619
 
            list(state._iter_child_entries(1, '')))
1620
 
 
1621
 
 
1622
 
class TestDirstateSortOrder(tests.TestCaseWithTransport):
1623
 
    """Test that DirState adds entries in the right order."""
1624
 
 
1625
 
    def test_add_sorting(self):
1626
 
        """Add entries in lexicographical order, we get path sorted order.
1627
 
 
1628
 
        This tests it to a depth of 4, to make sure we don't just get it right
1629
 
        at a single depth. 'a/a' should come before 'a-a', even though it
1630
 
        doesn't lexicographically.
1631
 
        """
1632
 
        dirs = ['a', 'a/a', 'a/a/a', 'a/a/a/a',
1633
 
                'a-a', 'a/a-a', 'a/a/a-a', 'a/a/a/a-a',
1634
 
               ]
1635
 
        null_sha = ''
1636
 
        state = dirstate.DirState.initialize('dirstate')
1637
 
        self.addCleanup(state.unlock)
1638
 
 
1639
 
        fake_stat = os.stat('dirstate')
1640
 
        for d in dirs:
1641
 
            d_id = d.replace('/', '_')+'-id'
1642
 
            file_path = d + '/f'
1643
 
            file_id = file_path.replace('/', '_')+'-id'
1644
 
            state.add(d, d_id, 'directory', fake_stat, null_sha)
1645
 
            state.add(file_path, file_id, 'file', fake_stat, null_sha)
1646
 
 
1647
 
        expected = ['', '', 'a',
1648
 
                'a/a', 'a/a/a', 'a/a/a/a',
1649
 
                'a/a/a/a-a', 'a/a/a-a', 'a/a-a', 'a-a',
1650
 
               ]
1651
 
        split = lambda p:p.split('/')
1652
 
        self.assertEqual(sorted(expected, key=split), expected)
1653
 
        dirblock_names = [d[0] for d in state._dirblocks]
1654
 
        self.assertEqual(expected, dirblock_names)
1655
 
 
1656
 
    def test_set_parent_trees_correct_order(self):
1657
 
        """After calling set_parent_trees() we should maintain the order."""
1658
 
        dirs = ['a', 'a-a', 'a/a']
1659
 
        null_sha = ''
1660
 
        state = dirstate.DirState.initialize('dirstate')
1661
 
        self.addCleanup(state.unlock)
1662
 
 
1663
 
        fake_stat = os.stat('dirstate')
1664
 
        for d in dirs:
1665
 
            d_id = d.replace('/', '_')+'-id'
1666
 
            file_path = d + '/f'
1667
 
            file_id = file_path.replace('/', '_')+'-id'
1668
 
            state.add(d, d_id, 'directory', fake_stat, null_sha)
1669
 
            state.add(file_path, file_id, 'file', fake_stat, null_sha)
1670
 
 
1671
 
        expected = ['', '', 'a', 'a/a', 'a-a']
1672
 
        dirblock_names = [d[0] for d in state._dirblocks]
1673
 
        self.assertEqual(expected, dirblock_names)
1674
 
 
1675
 
        # *really* cheesy way to just get an empty tree
1676
 
        repo = self.make_repository('repo')
1677
 
        empty_tree = repo.revision_tree(_mod_revision.NULL_REVISION)
1678
 
        state.set_parent_trees([('null:', empty_tree)], [])
1679
 
 
1680
 
        dirblock_names = [d[0] for d in state._dirblocks]
1681
 
        self.assertEqual(expected, dirblock_names)
1682
 
 
1683
 
 
1684
 
class InstrumentedDirState(dirstate.DirState):
1685
 
    """An DirState with instrumented sha1 functionality."""
1686
 
 
1687
 
    def __init__(self, path, sha1_provider):
1688
 
        super(InstrumentedDirState, self).__init__(path, sha1_provider)
1689
 
        self._time_offset = 0
1690
 
        self._log = []
1691
 
        # member is dynamically set in DirState.__init__ to turn on trace
1692
 
        self._sha1_provider = sha1_provider
1693
 
        self._sha1_file = self._sha1_file_and_log
1694
 
 
1695
 
    def _sha_cutoff_time(self):
1696
 
        timestamp = super(InstrumentedDirState, self)._sha_cutoff_time()
1697
 
        self._cutoff_time = timestamp + self._time_offset
1698
 
 
1699
 
    def _sha1_file_and_log(self, abspath):
1700
 
        self._log.append(('sha1', abspath))
1701
 
        return self._sha1_provider.sha1(abspath)
1702
 
 
1703
 
    def _read_link(self, abspath, old_link):
1704
 
        self._log.append(('read_link', abspath, old_link))
1705
 
        return super(InstrumentedDirState, self)._read_link(abspath, old_link)
1706
 
 
1707
 
    def _lstat(self, abspath, entry):
1708
 
        self._log.append(('lstat', abspath))
1709
 
        return super(InstrumentedDirState, self)._lstat(abspath, entry)
1710
 
 
1711
 
    def _is_executable(self, mode, old_executable):
1712
 
        self._log.append(('is_exec', mode, old_executable))
1713
 
        return super(InstrumentedDirState, self)._is_executable(mode,
1714
 
                                                                old_executable)
1715
 
 
1716
 
    def adjust_time(self, secs):
1717
 
        """Move the clock forward or back.
1718
 
 
1719
 
        :param secs: The amount to adjust the clock by. Positive values make it
1720
 
        seem as if we are in the future, negative values make it seem like we
1721
 
        are in the past.
1722
 
        """
1723
 
        self._time_offset += secs
1724
 
        self._cutoff_time = None
1725
 
 
1726
 
 
1727
 
class _FakeStat(object):
1728
 
    """A class with the same attributes as a real stat result."""
1729
 
 
1730
 
    def __init__(self, size, mtime, ctime, dev, ino, mode):
1731
 
        self.st_size = size
1732
 
        self.st_mtime = mtime
1733
 
        self.st_ctime = ctime
1734
 
        self.st_dev = dev
1735
 
        self.st_ino = ino
1736
 
        self.st_mode = mode
1737
 
 
1738
 
    @staticmethod
1739
 
    def from_stat(st):
1740
 
        return _FakeStat(st.st_size, st.st_mtime, st.st_ctime, st.st_dev,
1741
 
            st.st_ino, st.st_mode)
1742
 
 
1743
 
 
1744
 
class TestPackStat(tests.TestCaseWithTransport):
1745
 
 
1746
 
    def assertPackStat(self, expected, stat_value):
1747
 
        """Check the packed and serialized form of a stat value."""
1748
 
        self.assertEqual(expected, dirstate.pack_stat(stat_value))
1749
 
 
1750
 
    def test_pack_stat_int(self):
1751
 
        st = _FakeStat(6859L, 1172758614, 1172758617, 777L, 6499538L, 0100644)
1752
 
        # Make sure that all parameters have an impact on the packed stat.
1753
 
        self.assertPackStat('AAAay0Xm4FZF5uBZAAADCQBjLNIAAIGk', st)
1754
 
        st.st_size = 7000L
1755
 
        #                ay0 => bWE
1756
 
        self.assertPackStat('AAAbWEXm4FZF5uBZAAADCQBjLNIAAIGk', st)
1757
 
        st.st_mtime = 1172758620
1758
 
        #                     4FZ => 4Fx
1759
 
        self.assertPackStat('AAAbWEXm4FxF5uBZAAADCQBjLNIAAIGk', st)
1760
 
        st.st_ctime = 1172758630
1761
 
        #                          uBZ => uBm
1762
 
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADCQBjLNIAAIGk', st)
1763
 
        st.st_dev = 888L
1764
 
        #                                DCQ => DeA
1765
 
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADeABjLNIAAIGk', st)
1766
 
        st.st_ino = 6499540L
1767
 
        #                                     LNI => LNQ
1768
 
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADeABjLNQAAIGk', st)
1769
 
        st.st_mode = 0100744
1770
 
        #                                          IGk => IHk
1771
 
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADeABjLNQAAIHk', st)
1772
 
 
1773
 
    def test_pack_stat_float(self):
1774
 
        """On some platforms mtime and ctime are floats.
1775
 
 
1776
 
        Make sure we don't get warnings or errors, and that we ignore changes <
1777
 
        1s
1778
 
        """
1779
 
        st = _FakeStat(7000L, 1172758614.0, 1172758617.0,
1780
 
                       777L, 6499538L, 0100644)
1781
 
        # These should all be the same as the integer counterparts
1782
 
        self.assertPackStat('AAAbWEXm4FZF5uBZAAADCQBjLNIAAIGk', st)
1783
 
        st.st_mtime = 1172758620.0
1784
 
        #                     FZF5 => FxF5
1785
 
        self.assertPackStat('AAAbWEXm4FxF5uBZAAADCQBjLNIAAIGk', st)
1786
 
        st.st_ctime = 1172758630.0
1787
 
        #                          uBZ => uBm
1788
 
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADCQBjLNIAAIGk', st)
1789
 
        # fractional seconds are discarded, so no change from above
1790
 
        st.st_mtime = 1172758620.453
1791
 
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADCQBjLNIAAIGk', st)
1792
 
        st.st_ctime = 1172758630.228
1793
 
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADCQBjLNIAAIGk', st)
1794
 
 
1795
 
 
1796
 
class TestBisect(TestCaseWithDirState):
1797
 
    """Test the ability to bisect into the disk format."""
1798
 
 
1799
 
    def assertBisect(self, expected_map, map_keys, state, paths):
1800
 
        """Assert that bisecting for paths returns the right result.
1801
 
 
1802
 
        :param expected_map: A map from key => entry value
1803
 
        :param map_keys: The keys to expect for each path
1804
 
        :param state: The DirState object.
1805
 
        :param paths: A list of paths, these will automatically be split into
1806
 
                      (dir, name) tuples, and sorted according to how _bisect
1807
 
                      requires.
1808
 
        """
1809
 
        result = state._bisect(paths)
1810
 
        # For now, results are just returned in whatever order we read them.
1811
 
        # We could sort by (dir, name, file_id) or something like that, but in
1812
 
        # the end it would still be fairly arbitrary, and we don't want the
1813
 
        # extra overhead if we can avoid it. So sort everything to make sure
1814
 
        # equality is true
1815
 
        self.assertEqual(len(map_keys), len(paths))
1816
 
        expected = {}
1817
 
        for path, keys in zip(paths, map_keys):
1818
 
            if keys is None:
1819
 
                # This should not be present in the output
1820
 
                continue
1821
 
            expected[path] = sorted(expected_map[k] for k in keys)
1822
 
 
1823
 
        # The returned values are just arranged randomly based on when they
1824
 
        # were read, for testing, make sure it is properly sorted.
1825
 
        for path in result:
1826
 
            result[path].sort()
1827
 
 
1828
 
        self.assertEqual(expected, result)
1829
 
 
1830
 
    def assertBisectDirBlocks(self, expected_map, map_keys, state, paths):
1831
 
        """Assert that bisecting for dirbblocks returns the right result.
1832
 
 
1833
 
        :param expected_map: A map from key => expected values
1834
 
        :param map_keys: A nested list of paths we expect to be returned.
1835
 
            Something like [['a', 'b', 'f'], ['b/c', 'b/d']]
1836
 
        :param state: The DirState object.
1837
 
        :param paths: A list of directories
1838
 
        """
1839
 
        result = state._bisect_dirblocks(paths)
1840
 
        self.assertEqual(len(map_keys), len(paths))
1841
 
        expected = {}
1842
 
        for path, keys in zip(paths, map_keys):
1843
 
            if keys is None:
1844
 
                # This should not be present in the output
1845
 
                continue
1846
 
            expected[path] = sorted(expected_map[k] for k in keys)
1847
 
        for path in result:
1848
 
            result[path].sort()
1849
 
 
1850
 
        self.assertEqual(expected, result)
1851
 
 
1852
 
    def assertBisectRecursive(self, expected_map, map_keys, state, paths):
1853
 
        """Assert the return value of a recursive bisection.
1854
 
 
1855
 
        :param expected_map: A map from key => entry value
1856
 
        :param map_keys: A list of paths we expect to be returned.
1857
 
            Something like ['a', 'b', 'f', 'b/d', 'b/d2']
1858
 
        :param state: The DirState object.
1859
 
        :param paths: A list of files and directories. It will be broken up
1860
 
            into (dir, name) pairs and sorted before calling _bisect_recursive.
1861
 
        """
1862
 
        expected = {}
1863
 
        for key in map_keys:
1864
 
            entry = expected_map[key]
1865
 
            dir_name_id, trees_info = entry
1866
 
            expected[dir_name_id] = trees_info
1867
 
 
1868
 
        result = state._bisect_recursive(paths)
1869
 
 
1870
 
        self.assertEqual(expected, result)
1871
 
 
1872
 
    def test_bisect_each(self):
1873
 
        """Find a single record using bisect."""
1874
 
        tree, state, expected = self.create_basic_dirstate()
1875
 
 
1876
 
        # Bisect should return the rows for the specified files.
1877
 
        self.assertBisect(expected, [['']], state, [''])
1878
 
        self.assertBisect(expected, [['a']], state, ['a'])
1879
 
        self.assertBisect(expected, [['b']], state, ['b'])
1880
 
        self.assertBisect(expected, [['b/c']], state, ['b/c'])
1881
 
        self.assertBisect(expected, [['b/d']], state, ['b/d'])
1882
 
        self.assertBisect(expected, [['b/d/e']], state, ['b/d/e'])
1883
 
        self.assertBisect(expected, [['b-c']], state, ['b-c'])
1884
 
        self.assertBisect(expected, [['f']], state, ['f'])
1885
 
 
1886
 
    def test_bisect_multi(self):
1887
 
        """Bisect can be used to find multiple records at the same time."""
1888
 
        tree, state, expected = self.create_basic_dirstate()
1889
 
        # Bisect should be capable of finding multiple entries at the same time
1890
 
        self.assertBisect(expected, [['a'], ['b'], ['f']],
1891
 
                          state, ['a', 'b', 'f'])
1892
 
        self.assertBisect(expected, [['f'], ['b/d'], ['b/d/e']],
1893
 
                          state, ['f', 'b/d', 'b/d/e'])
1894
 
        self.assertBisect(expected, [['b'], ['b-c'], ['b/c']],
1895
 
                          state, ['b', 'b-c', 'b/c'])
1896
 
 
1897
 
    def test_bisect_one_page(self):
1898
 
        """Test bisect when there is only 1 page to read"""
1899
 
        tree, state, expected = self.create_basic_dirstate()
1900
 
        state._bisect_page_size = 5000
1901
 
        self.assertBisect(expected,[['']], state, [''])
1902
 
        self.assertBisect(expected,[['a']], state, ['a'])
1903
 
        self.assertBisect(expected,[['b']], state, ['b'])
1904
 
        self.assertBisect(expected,[['b/c']], state, ['b/c'])
1905
 
        self.assertBisect(expected,[['b/d']], state, ['b/d'])
1906
 
        self.assertBisect(expected,[['b/d/e']], state, ['b/d/e'])
1907
 
        self.assertBisect(expected,[['b-c']], state, ['b-c'])
1908
 
        self.assertBisect(expected,[['f']], state, ['f'])
1909
 
        self.assertBisect(expected,[['a'], ['b'], ['f']],
1910
 
                          state, ['a', 'b', 'f'])
1911
 
        self.assertBisect(expected, [['b/d'], ['b/d/e'], ['f']],
1912
 
                          state, ['b/d', 'b/d/e', 'f'])
1913
 
        self.assertBisect(expected, [['b'], ['b/c'], ['b-c']],
1914
 
                          state, ['b', 'b/c', 'b-c'])
1915
 
 
1916
 
    def test_bisect_duplicate_paths(self):
1917
 
        """When bisecting for a path, handle multiple entries."""
1918
 
        tree, state, expected = self.create_duplicated_dirstate()
1919
 
 
1920
 
        # Now make sure that both records are properly returned.
1921
 
        self.assertBisect(expected, [['']], state, [''])
1922
 
        self.assertBisect(expected, [['a', 'a2']], state, ['a'])
1923
 
        self.assertBisect(expected, [['b', 'b2']], state, ['b'])
1924
 
        self.assertBisect(expected, [['b/c', 'b/c2']], state, ['b/c'])
1925
 
        self.assertBisect(expected, [['b/d', 'b/d2']], state, ['b/d'])
1926
 
        self.assertBisect(expected, [['b/d/e', 'b/d/e2']],
1927
 
                          state, ['b/d/e'])
1928
 
        self.assertBisect(expected, [['b-c', 'b-c2']], state, ['b-c'])
1929
 
        self.assertBisect(expected, [['f', 'f2']], state, ['f'])
1930
 
 
1931
 
    def test_bisect_page_size_too_small(self):
1932
 
        """If the page size is too small, we will auto increase it."""
1933
 
        tree, state, expected = self.create_basic_dirstate()
1934
 
        state._bisect_page_size = 50
1935
 
        self.assertBisect(expected, [None], state, ['b/e'])
1936
 
        self.assertBisect(expected, [['a']], state, ['a'])
1937
 
        self.assertBisect(expected, [['b']], state, ['b'])
1938
 
        self.assertBisect(expected, [['b/c']], state, ['b/c'])
1939
 
        self.assertBisect(expected, [['b/d']], state, ['b/d'])
1940
 
        self.assertBisect(expected, [['b/d/e']], state, ['b/d/e'])
1941
 
        self.assertBisect(expected, [['b-c']], state, ['b-c'])
1942
 
        self.assertBisect(expected, [['f']], state, ['f'])
1943
 
 
1944
 
    def test_bisect_missing(self):
1945
 
        """Test that bisect return None if it cannot find a path."""
1946
 
        tree, state, expected = self.create_basic_dirstate()
1947
 
        self.assertBisect(expected, [None], state, ['foo'])
1948
 
        self.assertBisect(expected, [None], state, ['b/foo'])
1949
 
        self.assertBisect(expected, [None], state, ['bar/foo'])
1950
 
        self.assertBisect(expected, [None], state, ['b-c/foo'])
1951
 
 
1952
 
        self.assertBisect(expected, [['a'], None, ['b/d']],
1953
 
                          state, ['a', 'foo', 'b/d'])
1954
 
 
1955
 
    def test_bisect_rename(self):
1956
 
        """Check that we find a renamed row."""
1957
 
        tree, state, expected = self.create_renamed_dirstate()
1958
 
 
1959
 
        # Search for the pre and post renamed entries
1960
 
        self.assertBisect(expected, [['a']], state, ['a'])
1961
 
        self.assertBisect(expected, [['b/g']], state, ['b/g'])
1962
 
        self.assertBisect(expected, [['b/d']], state, ['b/d'])
1963
 
        self.assertBisect(expected, [['h']], state, ['h'])
1964
 
 
1965
 
        # What about b/d/e? shouldn't that also get 2 directory entries?
1966
 
        self.assertBisect(expected, [['b/d/e']], state, ['b/d/e'])
1967
 
        self.assertBisect(expected, [['h/e']], state, ['h/e'])
1968
 
 
1969
 
    def test_bisect_dirblocks(self):
1970
 
        tree, state, expected = self.create_duplicated_dirstate()
1971
 
        self.assertBisectDirBlocks(expected,
1972
 
            [['', 'a', 'a2', 'b', 'b2', 'b-c', 'b-c2', 'f', 'f2']],
1973
 
            state, [''])
1974
 
        self.assertBisectDirBlocks(expected,
1975
 
            [['b/c', 'b/c2', 'b/d', 'b/d2']], state, ['b'])
1976
 
        self.assertBisectDirBlocks(expected,
1977
 
            [['b/d/e', 'b/d/e2']], state, ['b/d'])
1978
 
        self.assertBisectDirBlocks(expected,
1979
 
            [['', 'a', 'a2', 'b', 'b2', 'b-c', 'b-c2', 'f', 'f2'],
1980
 
             ['b/c', 'b/c2', 'b/d', 'b/d2'],
1981
 
             ['b/d/e', 'b/d/e2'],
1982
 
            ], state, ['', 'b', 'b/d'])
1983
 
 
1984
 
    def test_bisect_dirblocks_missing(self):
1985
 
        tree, state, expected = self.create_basic_dirstate()
1986
 
        self.assertBisectDirBlocks(expected, [['b/d/e'], None],
1987
 
            state, ['b/d', 'b/e'])
1988
 
        # Files don't show up in this search
1989
 
        self.assertBisectDirBlocks(expected, [None], state, ['a'])
1990
 
        self.assertBisectDirBlocks(expected, [None], state, ['b/c'])
1991
 
        self.assertBisectDirBlocks(expected, [None], state, ['c'])
1992
 
        self.assertBisectDirBlocks(expected, [None], state, ['b/d/e'])
1993
 
        self.assertBisectDirBlocks(expected, [None], state, ['f'])
1994
 
 
1995
 
    def test_bisect_recursive_each(self):
1996
 
        tree, state, expected = self.create_basic_dirstate()
1997
 
        self.assertBisectRecursive(expected, ['a'], state, ['a'])
1998
 
        self.assertBisectRecursive(expected, ['b/c'], state, ['b/c'])
1999
 
        self.assertBisectRecursive(expected, ['b/d/e'], state, ['b/d/e'])
2000
 
        self.assertBisectRecursive(expected, ['b-c'], state, ['b-c'])
2001
 
        self.assertBisectRecursive(expected, ['b/d', 'b/d/e'],
2002
 
                                   state, ['b/d'])
2003
 
        self.assertBisectRecursive(expected, ['b', 'b/c', 'b/d', 'b/d/e'],
2004
 
                                   state, ['b'])
2005
 
        self.assertBisectRecursive(expected, ['', 'a', 'b', 'b-c', 'f', 'b/c',
2006
 
                                              'b/d', 'b/d/e'],
2007
 
                                   state, [''])
2008
 
 
2009
 
    def test_bisect_recursive_multiple(self):
2010
 
        tree, state, expected = self.create_basic_dirstate()
2011
 
        self.assertBisectRecursive(expected, ['a', 'b/c'], state, ['a', 'b/c'])
2012
 
        self.assertBisectRecursive(expected, ['b/d', 'b/d/e'],
2013
 
                                   state, ['b/d', 'b/d/e'])
2014
 
 
2015
 
    def test_bisect_recursive_missing(self):
2016
 
        tree, state, expected = self.create_basic_dirstate()
2017
 
        self.assertBisectRecursive(expected, [], state, ['d'])
2018
 
        self.assertBisectRecursive(expected, [], state, ['b/e'])
2019
 
        self.assertBisectRecursive(expected, [], state, ['g'])
2020
 
        self.assertBisectRecursive(expected, ['a'], state, ['a', 'g'])
2021
 
 
2022
 
    def test_bisect_recursive_renamed(self):
2023
 
        tree, state, expected = self.create_renamed_dirstate()
2024
 
 
2025
 
        # Looking for either renamed item should find the other
2026
 
        self.assertBisectRecursive(expected, ['a', 'b/g'], state, ['a'])
2027
 
        self.assertBisectRecursive(expected, ['a', 'b/g'], state, ['b/g'])
2028
 
        # Looking in the containing directory should find the rename target,
2029
 
        # and anything in a subdir of the renamed target.
2030
 
        self.assertBisectRecursive(expected, ['a', 'b', 'b/c', 'b/d',
2031
 
                                              'b/d/e', 'b/g', 'h', 'h/e'],
2032
 
                                   state, ['b'])
2033
 
 
2034
 
 
2035
 
class TestDirstateValidation(TestCaseWithDirState):
2036
 
 
2037
 
    def test_validate_correct_dirstate(self):
2038
 
        state = self.create_complex_dirstate()
2039
 
        state._validate()
2040
 
        state.unlock()
2041
 
        # and make sure we can also validate with a read lock
2042
 
        state.lock_read()
2043
 
        try:
2044
 
            state._validate()
2045
 
        finally:
2046
 
            state.unlock()
2047
 
 
2048
 
    def test_dirblock_not_sorted(self):
2049
 
        tree, state, expected = self.create_renamed_dirstate()
2050
 
        state._read_dirblocks_if_needed()
2051
 
        last_dirblock = state._dirblocks[-1]
2052
 
        # we're appending to the dirblock, but this name comes before some of
2053
 
        # the existing names; that's wrong
2054
 
        last_dirblock[1].append(
2055
 
            (('h', 'aaaa', 'a-id'),
2056
 
             [('a', '', 0, False, ''),
2057
 
              ('a', '', 0, False, '')]))
2058
 
        e = self.assertRaises(AssertionError,
2059
 
            state._validate)
2060
 
        self.assertContainsRe(str(e), 'not sorted')
2061
 
 
2062
 
    def test_dirblock_name_mismatch(self):
2063
 
        tree, state, expected = self.create_renamed_dirstate()
2064
 
        state._read_dirblocks_if_needed()
2065
 
        last_dirblock = state._dirblocks[-1]
2066
 
        # add an entry with the wrong directory name
2067
 
        last_dirblock[1].append(
2068
 
            (('', 'z', 'a-id'),
2069
 
             [('a', '', 0, False, ''),
2070
 
              ('a', '', 0, False, '')]))
2071
 
        e = self.assertRaises(AssertionError,
2072
 
            state._validate)
2073
 
        self.assertContainsRe(str(e),
2074
 
            "doesn't match directory name")
2075
 
 
2076
 
    def test_dirblock_missing_rename(self):
2077
 
        tree, state, expected = self.create_renamed_dirstate()
2078
 
        state._read_dirblocks_if_needed()
2079
 
        last_dirblock = state._dirblocks[-1]
2080
 
        # make another entry for a-id, without a correct 'r' pointer to
2081
 
        # the real occurrence in the working tree
2082
 
        last_dirblock[1].append(
2083
 
            (('h', 'z', 'a-id'),
2084
 
             [('a', '', 0, False, ''),
2085
 
              ('a', '', 0, False, '')]))
2086
 
        e = self.assertRaises(AssertionError,
2087
 
            state._validate)
2088
 
        self.assertContainsRe(str(e),
2089
 
            'file a-id is absent in row')
2090
 
 
2091
 
 
2092
 
class TestDirstateTreeReference(TestCaseWithDirState):
2093
 
 
2094
 
    def test_reference_revision_is_none(self):
2095
 
        tree = self.make_branch_and_tree('tree', format='dirstate-with-subtree')
2096
 
        subtree = self.make_branch_and_tree('tree/subtree',
2097
 
                            format='dirstate-with-subtree')
2098
 
        subtree.set_root_id('subtree')
2099
 
        tree.add_reference(subtree)
2100
 
        tree.add('subtree')
2101
 
        state = dirstate.DirState.from_tree(tree, 'dirstate')
2102
 
        key = ('', 'subtree', 'subtree')
2103
 
        expected = ('', [(key,
2104
 
            [('t', '', 0, False, 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx')])])
2105
 
 
2106
 
        try:
2107
 
            self.assertEqual(expected, state._find_block(key))
2108
 
        finally:
2109
 
            state.unlock()
2110
 
 
2111
 
 
2112
 
class TestDiscardMergeParents(TestCaseWithDirState):
2113
 
 
2114
 
    def test_discard_no_parents(self):
2115
 
        # This should be a no-op
2116
 
        state = self.create_empty_dirstate()
2117
 
        self.addCleanup(state.unlock)
2118
 
        state._discard_merge_parents()
2119
 
        state._validate()
2120
 
 
2121
 
    def test_discard_one_parent(self):
2122
 
        # No-op
2123
 
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
2124
 
        root_entry_direntry = ('', '', 'a-root-value'), [
2125
 
            ('d', '', 0, False, packed_stat),
2126
 
            ('d', '', 0, False, packed_stat),
2127
 
            ]
2128
 
        dirblocks = []
2129
 
        dirblocks.append(('', [root_entry_direntry]))
2130
 
        dirblocks.append(('', []))
2131
 
 
2132
 
        state = self.create_empty_dirstate()
2133
 
        self.addCleanup(state.unlock)
2134
 
        state._set_data(['parent-id'], dirblocks[:])
2135
 
        state._validate()
2136
 
 
2137
 
        state._discard_merge_parents()
2138
 
        state._validate()
2139
 
        self.assertEqual(dirblocks, state._dirblocks)
2140
 
 
2141
 
    def test_discard_simple(self):
2142
 
        # No-op
2143
 
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
2144
 
        root_entry_direntry = ('', '', 'a-root-value'), [
2145
 
            ('d', '', 0, False, packed_stat),
2146
 
            ('d', '', 0, False, packed_stat),
2147
 
            ('d', '', 0, False, packed_stat),
2148
 
            ]
2149
 
        expected_root_entry_direntry = ('', '', 'a-root-value'), [
2150
 
            ('d', '', 0, False, packed_stat),
2151
 
            ('d', '', 0, False, packed_stat),
2152
 
            ]
2153
 
        dirblocks = []
2154
 
        dirblocks.append(('', [root_entry_direntry]))
2155
 
        dirblocks.append(('', []))
2156
 
 
2157
 
        state = self.create_empty_dirstate()
2158
 
        self.addCleanup(state.unlock)
2159
 
        state._set_data(['parent-id', 'merged-id'], dirblocks[:])
2160
 
        state._validate()
2161
 
 
2162
 
        # This should strip of the extra column
2163
 
        state._discard_merge_parents()
2164
 
        state._validate()
2165
 
        expected_dirblocks = [('', [expected_root_entry_direntry]), ('', [])]
2166
 
        self.assertEqual(expected_dirblocks, state._dirblocks)
2167
 
 
2168
 
    def test_discard_absent(self):
2169
 
        """If entries are only in a merge, discard should remove the entries"""
2170
 
        null_stat = dirstate.DirState.NULLSTAT
2171
 
        present_dir = ('d', '', 0, False, null_stat)
2172
 
        present_file = ('f', '', 0, False, null_stat)
2173
 
        absent = dirstate.DirState.NULL_PARENT_DETAILS
2174
 
        root_key = ('', '', 'a-root-value')
2175
 
        file_in_root_key = ('', 'file-in-root', 'a-file-id')
2176
 
        file_in_merged_key = ('', 'file-in-merged', 'b-file-id')
2177
 
        dirblocks = [('', [(root_key, [present_dir, present_dir, present_dir])]),
2178
 
                     ('', [(file_in_merged_key,
2179
 
                            [absent, absent, present_file]),
2180
 
                           (file_in_root_key,
2181
 
                            [present_file, present_file, present_file]),
2182
 
                          ]),
2183
 
                    ]
2184
 
 
2185
 
        state = self.create_empty_dirstate()
2186
 
        self.addCleanup(state.unlock)
2187
 
        state._set_data(['parent-id', 'merged-id'], dirblocks[:])
2188
 
        state._validate()
2189
 
 
2190
 
        exp_dirblocks = [('', [(root_key, [present_dir, present_dir])]),
2191
 
                         ('', [(file_in_root_key,
2192
 
                                [present_file, present_file]),
2193
 
                              ]),
2194
 
                        ]
2195
 
        state._discard_merge_parents()
2196
 
        state._validate()
2197
 
        self.assertEqual(exp_dirblocks, state._dirblocks)
2198
 
 
2199
 
    def test_discard_renamed(self):
2200
 
        null_stat = dirstate.DirState.NULLSTAT
2201
 
        present_dir = ('d', '', 0, False, null_stat)
2202
 
        present_file = ('f', '', 0, False, null_stat)
2203
 
        absent = dirstate.DirState.NULL_PARENT_DETAILS
2204
 
        root_key = ('', '', 'a-root-value')
2205
 
        file_in_root_key = ('', 'file-in-root', 'a-file-id')
2206
 
        # Renamed relative to parent
2207
 
        file_rename_s_key = ('', 'file-s', 'b-file-id')
2208
 
        file_rename_t_key = ('', 'file-t', 'b-file-id')
2209
 
        # And one that is renamed between the parents, but absent in this
2210
 
        key_in_1 = ('', 'file-in-1', 'c-file-id')
2211
 
        key_in_2 = ('', 'file-in-2', 'c-file-id')
2212
 
 
2213
 
        dirblocks = [
2214
 
            ('', [(root_key, [present_dir, present_dir, present_dir])]),
2215
 
            ('', [(key_in_1,
2216
 
                   [absent, present_file, ('r', 'file-in-2', 'c-file-id')]),
2217
 
                  (key_in_2,
2218
 
                   [absent, ('r', 'file-in-1', 'c-file-id'), present_file]),
2219
 
                  (file_in_root_key,
2220
 
                   [present_file, present_file, present_file]),
2221
 
                  (file_rename_s_key,
2222
 
                   [('r', 'file-t', 'b-file-id'), absent, present_file]),
2223
 
                  (file_rename_t_key,
2224
 
                   [present_file, absent, ('r', 'file-s', 'b-file-id')]),
2225
 
                 ]),
2226
 
        ]
2227
 
        exp_dirblocks = [
2228
 
            ('', [(root_key, [present_dir, present_dir])]),
2229
 
            ('', [(key_in_1, [absent, present_file]),
2230
 
                  (file_in_root_key, [present_file, present_file]),
2231
 
                  (file_rename_t_key, [present_file, absent]),
2232
 
                 ]),
2233
 
        ]
2234
 
        state = self.create_empty_dirstate()
2235
 
        self.addCleanup(state.unlock)
2236
 
        state._set_data(['parent-id', 'merged-id'], dirblocks[:])
2237
 
        state._validate()
2238
 
 
2239
 
        state._discard_merge_parents()
2240
 
        state._validate()
2241
 
        self.assertEqual(exp_dirblocks, state._dirblocks)
2242
 
 
2243
 
    def test_discard_all_subdir(self):
2244
 
        null_stat = dirstate.DirState.NULLSTAT
2245
 
        present_dir = ('d', '', 0, False, null_stat)
2246
 
        present_file = ('f', '', 0, False, null_stat)
2247
 
        absent = dirstate.DirState.NULL_PARENT_DETAILS
2248
 
        root_key = ('', '', 'a-root-value')
2249
 
        subdir_key = ('', 'sub', 'dir-id')
2250
 
        child1_key = ('sub', 'child1', 'child1-id')
2251
 
        child2_key = ('sub', 'child2', 'child2-id')
2252
 
        child3_key = ('sub', 'child3', 'child3-id')
2253
 
 
2254
 
        dirblocks = [
2255
 
            ('', [(root_key, [present_dir, present_dir, present_dir])]),
2256
 
            ('', [(subdir_key, [present_dir, present_dir, present_dir])]),
2257
 
            ('sub', [(child1_key, [absent, absent, present_file]),
2258
 
                     (child2_key, [absent, absent, present_file]),
2259
 
                     (child3_key, [absent, absent, present_file]),
2260
 
                    ]),
2261
 
        ]
2262
 
        exp_dirblocks = [
2263
 
            ('', [(root_key, [present_dir, present_dir])]),
2264
 
            ('', [(subdir_key, [present_dir, present_dir])]),
2265
 
            ('sub', []),
2266
 
        ]
2267
 
        state = self.create_empty_dirstate()
2268
 
        self.addCleanup(state.unlock)
2269
 
        state._set_data(['parent-id', 'merged-id'], dirblocks[:])
2270
 
        state._validate()
2271
 
 
2272
 
        state._discard_merge_parents()
2273
 
        state._validate()
2274
 
        self.assertEqual(exp_dirblocks, state._dirblocks)
2275
 
 
2276
 
 
2277
 
class Test_InvEntryToDetails(tests.TestCase):
2278
 
 
2279
 
    def assertDetails(self, expected, inv_entry):
2280
 
        details = dirstate.DirState._inv_entry_to_details(inv_entry)
2281
 
        self.assertEqual(expected, details)
2282
 
        # details should always allow join() and always be a plain str when
2283
 
        # finished
2284
 
        (minikind, fingerprint, size, executable, tree_data) = details
2285
 
        self.assertIsInstance(minikind, str)
2286
 
        self.assertIsInstance(fingerprint, str)
2287
 
        self.assertIsInstance(tree_data, str)
2288
 
 
2289
 
    def test_unicode_symlink(self):
2290
 
        inv_entry = inventory.InventoryLink('link-file-id',
2291
 
                                            u'nam\N{Euro Sign}e',
2292
 
                                            'link-parent-id')
2293
 
        inv_entry.revision = 'link-revision-id'
2294
 
        target = u'link-targ\N{Euro Sign}t'
2295
 
        inv_entry.symlink_target = target
2296
 
        self.assertDetails(('l', target.encode('UTF-8'), 0, False,
2297
 
                            'link-revision-id'), inv_entry)
2298
 
 
2299
 
 
2300
 
class TestSHA1Provider(tests.TestCaseInTempDir):
2301
 
 
2302
 
    def test_sha1provider_is_an_interface(self):
2303
 
        p = dirstate.SHA1Provider()
2304
 
        self.assertRaises(NotImplementedError, p.sha1, "foo")
2305
 
        self.assertRaises(NotImplementedError, p.stat_and_sha1, "foo")
2306
 
 
2307
 
    def test_defaultsha1provider_sha1(self):
2308
 
        text = 'test\r\nwith\nall\rpossible line endings\r\n'
2309
 
        self.build_tree_contents([('foo', text)])
2310
 
        expected_sha = osutils.sha_string(text)
2311
 
        p = dirstate.DefaultSHA1Provider()
2312
 
        self.assertEqual(expected_sha, p.sha1('foo'))
2313
 
 
2314
 
    def test_defaultsha1provider_stat_and_sha1(self):
2315
 
        text = 'test\r\nwith\nall\rpossible line endings\r\n'
2316
 
        self.build_tree_contents([('foo', text)])
2317
 
        expected_sha = osutils.sha_string(text)
2318
 
        p = dirstate.DefaultSHA1Provider()
2319
 
        statvalue, sha1 = p.stat_and_sha1('foo')
2320
 
        self.assertTrue(len(statvalue) >= 10)
2321
 
        self.assertEqual(len(text), statvalue.st_size)
2322
 
        self.assertEqual(expected_sha, sha1)