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  • Committer: mbp at sourcefrog
  • Date: 2005-03-23 23:54:45 UTC
  • Revision ID: mbp@sourcefrog.net-20050323235445-a185b1b1f2a86dfe
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1
 
# Copyright (C) 2006, 2007 Canonical Ltd
2
 
#
3
 
# This program is free software; you can redistribute it and/or modify
4
 
# it under the terms of the GNU General Public License as published by
5
 
# the Free Software Foundation; either version 2 of the License, or
6
 
# (at your option) any later version.
7
 
#
8
 
# This program is distributed in the hope that it will be useful,
9
 
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
 
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11
 
# GNU General Public License for more details.
12
 
#
13
 
# You should have received a copy of the GNU General Public License
14
 
# along with this program; if not, write to the Free Software
15
 
# Foundation, Inc., 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
 
        # Save platform specific info and reset it
68
 
        cur_dir_reader = osutils._selected_dir_reader
69
 
 
70
 
        def restore():
71
 
            osutils._selected_dir_reader = cur_dir_reader
72
 
        self.addCleanup(restore)
73
 
 
74
 
        osutils._selected_dir_reader = self._dir_reader_class()
75
 
 
76
 
    def create_empty_dirstate(self):
77
 
        """Return a locked but empty dirstate"""
78
 
        state = dirstate.DirState.initialize('dirstate')
79
 
        return state
80
 
 
81
 
    def create_dirstate_with_root(self):
82
 
        """Return a write-locked state with a single root entry."""
83
 
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
84
 
        root_entry_direntry = ('', '', 'a-root-value'), [
85
 
            ('d', '', 0, False, packed_stat),
86
 
            ]
87
 
        dirblocks = []
88
 
        dirblocks.append(('', [root_entry_direntry]))
89
 
        dirblocks.append(('', []))
90
 
        state = self.create_empty_dirstate()
91
 
        try:
92
 
            state._set_data([], dirblocks)
93
 
            state._validate()
94
 
        except:
95
 
            state.unlock()
96
 
            raise
97
 
        return state
98
 
 
99
 
    def create_dirstate_with_root_and_subdir(self):
100
 
        """Return a locked DirState with a root and a subdir"""
101
 
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
102
 
        subdir_entry = ('', 'subdir', 'subdir-id'), [
103
 
            ('d', '', 0, False, packed_stat),
104
 
            ]
105
 
        state = self.create_dirstate_with_root()
106
 
        try:
107
 
            dirblocks = list(state._dirblocks)
108
 
            dirblocks[1][1].append(subdir_entry)
109
 
            state._set_data([], dirblocks)
110
 
        except:
111
 
            state.unlock()
112
 
            raise
113
 
        return state
114
 
 
115
 
    def create_complex_dirstate(self):
116
 
        """This dirstate contains multiple files and directories.
117
 
 
118
 
         /        a-root-value
119
 
         a/       a-dir
120
 
         b/       b-dir
121
 
         c        c-file
122
 
         d        d-file
123
 
         a/e/     e-dir
124
 
         a/f      f-file
125
 
         b/g      g-file
126
 
         b/h\xc3\xa5  h-\xc3\xa5-file  #This is u'\xe5' encoded into utf-8
127
 
 
128
 
        Notice that a/e is an empty directory.
129
 
 
130
 
        :return: The dirstate, still write-locked.
131
 
        """
132
 
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
133
 
        null_sha = 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'
134
 
        root_entry = ('', '', 'a-root-value'), [
135
 
            ('d', '', 0, False, packed_stat),
136
 
            ]
137
 
        a_entry = ('', 'a', 'a-dir'), [
138
 
            ('d', '', 0, False, packed_stat),
139
 
            ]
140
 
        b_entry = ('', 'b', 'b-dir'), [
141
 
            ('d', '', 0, False, packed_stat),
142
 
            ]
143
 
        c_entry = ('', 'c', 'c-file'), [
144
 
            ('f', null_sha, 10, False, packed_stat),
145
 
            ]
146
 
        d_entry = ('', 'd', 'd-file'), [
147
 
            ('f', null_sha, 20, False, packed_stat),
148
 
            ]
149
 
        e_entry = ('a', 'e', 'e-dir'), [
150
 
            ('d', '', 0, False, packed_stat),
151
 
            ]
152
 
        f_entry = ('a', 'f', 'f-file'), [
153
 
            ('f', null_sha, 30, False, packed_stat),
154
 
            ]
155
 
        g_entry = ('b', 'g', 'g-file'), [
156
 
            ('f', null_sha, 30, False, packed_stat),
157
 
            ]
158
 
        h_entry = ('b', 'h\xc3\xa5', 'h-\xc3\xa5-file'), [
159
 
            ('f', null_sha, 40, False, packed_stat),
160
 
            ]
161
 
        dirblocks = []
162
 
        dirblocks.append(('', [root_entry]))
163
 
        dirblocks.append(('', [a_entry, b_entry, c_entry, d_entry]))
164
 
        dirblocks.append(('a', [e_entry, f_entry]))
165
 
        dirblocks.append(('b', [g_entry, h_entry]))
166
 
        state = dirstate.DirState.initialize('dirstate')
167
 
        state._validate()
168
 
        try:
169
 
            state._set_data([], dirblocks)
170
 
        except:
171
 
            state.unlock()
172
 
            raise
173
 
        return state
174
 
 
175
 
    def check_state_with_reopen(self, expected_result, state):
176
 
        """Check that state has current state expected_result.
177
 
 
178
 
        This will check the current state, open the file anew and check it
179
 
        again.
180
 
        This function expects the current state to be locked for writing, and
181
 
        will unlock it before re-opening.
182
 
        This is required because we can't open a lock_read() while something
183
 
        else has a lock_write().
184
 
            write => mutually exclusive lock
185
 
            read => shared lock
186
 
        """
187
 
        # The state should already be write locked, since we just had to do
188
 
        # some operation to get here.
189
 
        self.assertTrue(state._lock_token is not None)
190
 
        try:
191
 
            self.assertEqual(expected_result[0],  state.get_parent_ids())
192
 
            # there should be no ghosts in this tree.
193
 
            self.assertEqual([], state.get_ghosts())
194
 
            # there should be one fileid in this tree - the root of the tree.
195
 
            self.assertEqual(expected_result[1], list(state._iter_entries()))
196
 
            state.save()
197
 
        finally:
198
 
            state.unlock()
199
 
        del state
200
 
        state = dirstate.DirState.on_file('dirstate')
201
 
        state.lock_read()
202
 
        try:
203
 
            self.assertEqual(expected_result[1], list(state._iter_entries()))
204
 
        finally:
205
 
            state.unlock()
206
 
 
207
 
    def create_basic_dirstate(self):
208
 
        """Create a dirstate with a few files and directories.
209
 
 
210
 
            a
211
 
            b/
212
 
              c
213
 
              d/
214
 
                e
215
 
            b-c
216
 
            f
217
 
        """
218
 
        tree = self.make_branch_and_tree('tree')
219
 
        paths = ['a', 'b/', 'b/c', 'b/d/', 'b/d/e', 'b-c', 'f']
220
 
        file_ids = ['a-id', 'b-id', 'c-id', 'd-id', 'e-id', 'b-c-id', 'f-id']
221
 
        self.build_tree(['tree/' + p for p in paths])
222
 
        tree.set_root_id('TREE_ROOT')
223
 
        tree.add([p.rstrip('/') for p in paths], file_ids)
224
 
        tree.commit('initial', rev_id='rev-1')
225
 
        revision_id = 'rev-1'
226
 
        # a_packed_stat = dirstate.pack_stat(os.stat('tree/a'))
227
 
        t = self.get_transport('tree')
228
 
        a_text = t.get_bytes('a')
229
 
        a_sha = osutils.sha_string(a_text)
230
 
        a_len = len(a_text)
231
 
        # b_packed_stat = dirstate.pack_stat(os.stat('tree/b'))
232
 
        # c_packed_stat = dirstate.pack_stat(os.stat('tree/b/c'))
233
 
        c_text = t.get_bytes('b/c')
234
 
        c_sha = osutils.sha_string(c_text)
235
 
        c_len = len(c_text)
236
 
        # d_packed_stat = dirstate.pack_stat(os.stat('tree/b/d'))
237
 
        # e_packed_stat = dirstate.pack_stat(os.stat('tree/b/d/e'))
238
 
        e_text = t.get_bytes('b/d/e')
239
 
        e_sha = osutils.sha_string(e_text)
240
 
        e_len = len(e_text)
241
 
        b_c_text = t.get_bytes('b-c')
242
 
        b_c_sha = osutils.sha_string(b_c_text)
243
 
        b_c_len = len(b_c_text)
244
 
        # f_packed_stat = dirstate.pack_stat(os.stat('tree/f'))
245
 
        f_text = t.get_bytes('f')
246
 
        f_sha = osutils.sha_string(f_text)
247
 
        f_len = len(f_text)
248
 
        null_stat = dirstate.DirState.NULLSTAT
249
 
        expected = {
250
 
            '':(('', '', 'TREE_ROOT'), [
251
 
                  ('d', '', 0, False, null_stat),
252
 
                  ('d', '', 0, False, revision_id),
253
 
                ]),
254
 
            'a':(('', 'a', 'a-id'), [
255
 
                   ('f', '', 0, False, null_stat),
256
 
                   ('f', a_sha, a_len, False, revision_id),
257
 
                 ]),
258
 
            'b':(('', 'b', 'b-id'), [
259
 
                  ('d', '', 0, False, null_stat),
260
 
                  ('d', '', 0, False, revision_id),
261
 
                 ]),
262
 
            'b/c':(('b', 'c', 'c-id'), [
263
 
                    ('f', '', 0, False, null_stat),
264
 
                    ('f', c_sha, c_len, False, revision_id),
265
 
                   ]),
266
 
            'b/d':(('b', 'd', 'd-id'), [
267
 
                    ('d', '', 0, False, null_stat),
268
 
                    ('d', '', 0, False, revision_id),
269
 
                   ]),
270
 
            'b/d/e':(('b/d', 'e', 'e-id'), [
271
 
                      ('f', '', 0, False, null_stat),
272
 
                      ('f', e_sha, e_len, False, revision_id),
273
 
                     ]),
274
 
            'b-c':(('', 'b-c', 'b-c-id'), [
275
 
                      ('f', '', 0, False, null_stat),
276
 
                      ('f', b_c_sha, b_c_len, False, revision_id),
277
 
                     ]),
278
 
            'f':(('', 'f', 'f-id'), [
279
 
                  ('f', '', 0, False, null_stat),
280
 
                  ('f', f_sha, f_len, False, revision_id),
281
 
                 ]),
282
 
        }
283
 
        state = dirstate.DirState.from_tree(tree, 'dirstate')
284
 
        try:
285
 
            state.save()
286
 
        finally:
287
 
            state.unlock()
288
 
        # Use a different object, to make sure nothing is pre-cached in memory.
289
 
        state = dirstate.DirState.on_file('dirstate')
290
 
        state.lock_read()
291
 
        self.addCleanup(state.unlock)
292
 
        self.assertEqual(dirstate.DirState.NOT_IN_MEMORY,
293
 
                         state._dirblock_state)
294
 
        # This is code is only really tested if we actually have to make more
295
 
        # than one read, so set the page size to something smaller.
296
 
        # We want it to contain about 2.2 records, so that we have a couple
297
 
        # records that we can read per attempt
298
 
        state._bisect_page_size = 200
299
 
        return tree, state, expected
300
 
 
301
 
    def create_duplicated_dirstate(self):
302
 
        """Create a dirstate with a deleted and added entries.
303
 
 
304
 
        This grabs a basic_dirstate, and then removes and re adds every entry
305
 
        with a new file id.
306
 
        """
307
 
        tree, state, expected = self.create_basic_dirstate()
308
 
        # Now we will just remove and add every file so we get an extra entry
309
 
        # per entry. Unversion in reverse order so we handle subdirs
310
 
        tree.unversion(['f-id', 'b-c-id', 'e-id', 'd-id', 'c-id', 'b-id', 'a-id'])
311
 
        tree.add(['a', 'b', 'b/c', 'b/d', 'b/d/e', 'b-c', 'f'],
312
 
                 ['a-id2', 'b-id2', 'c-id2', 'd-id2', 'e-id2', 'b-c-id2', 'f-id2'])
313
 
 
314
 
        # Update the expected dictionary.
315
 
        for path in ['a', 'b', 'b/c', 'b/d', 'b/d/e', 'b-c', 'f']:
316
 
            orig = expected[path]
317
 
            path2 = path + '2'
318
 
            # This record was deleted in the current tree
319
 
            expected[path] = (orig[0], [dirstate.DirState.NULL_PARENT_DETAILS,
320
 
                                        orig[1][1]])
321
 
            new_key = (orig[0][0], orig[0][1], orig[0][2]+'2')
322
 
            # And didn't exist in the basis tree
323
 
            expected[path2] = (new_key, [orig[1][0],
324
 
                                         dirstate.DirState.NULL_PARENT_DETAILS])
325
 
 
326
 
        # We will replace the 'dirstate' file underneath 'state', but that is
327
 
        # okay as lock as we unlock 'state' first.
328
 
        state.unlock()
329
 
        try:
330
 
            new_state = dirstate.DirState.from_tree(tree, 'dirstate')
331
 
            try:
332
 
                new_state.save()
333
 
            finally:
334
 
                new_state.unlock()
335
 
        finally:
336
 
            # But we need to leave state in a read-lock because we already have
337
 
            # a cleanup scheduled
338
 
            state.lock_read()
339
 
        return tree, state, expected
340
 
 
341
 
    def create_renamed_dirstate(self):
342
 
        """Create a dirstate with a few internal renames.
343
 
 
344
 
        This takes the basic dirstate, and moves the paths around.
345
 
        """
346
 
        tree, state, expected = self.create_basic_dirstate()
347
 
        # Rename a file
348
 
        tree.rename_one('a', 'b/g')
349
 
        # And a directory
350
 
        tree.rename_one('b/d', 'h')
351
 
 
352
 
        old_a = expected['a']
353
 
        expected['a'] = (old_a[0], [('r', 'b/g', 0, False, ''), old_a[1][1]])
354
 
        expected['b/g'] = (('b', 'g', 'a-id'), [old_a[1][0],
355
 
                                                ('r', 'a', 0, False, '')])
356
 
        old_d = expected['b/d']
357
 
        expected['b/d'] = (old_d[0], [('r', 'h', 0, False, ''), old_d[1][1]])
358
 
        expected['h'] = (('', 'h', 'd-id'), [old_d[1][0],
359
 
                                             ('r', 'b/d', 0, False, '')])
360
 
 
361
 
        old_e = expected['b/d/e']
362
 
        expected['b/d/e'] = (old_e[0], [('r', 'h/e', 0, False, ''),
363
 
                             old_e[1][1]])
364
 
        expected['h/e'] = (('h', 'e', 'e-id'), [old_e[1][0],
365
 
                                                ('r', 'b/d/e', 0, False, '')])
366
 
 
367
 
        state.unlock()
368
 
        try:
369
 
            new_state = dirstate.DirState.from_tree(tree, 'dirstate')
370
 
            try:
371
 
                new_state.save()
372
 
            finally:
373
 
                new_state.unlock()
374
 
        finally:
375
 
            state.lock_read()
376
 
        return tree, state, expected
377
 
 
378
 
 
379
 
class TestTreeToDirState(TestCaseWithDirState):
380
 
 
381
 
    def test_empty_to_dirstate(self):
382
 
        """We should be able to create a dirstate for an empty tree."""
383
 
        # There are no files on disk and no parents
384
 
        tree = self.make_branch_and_tree('tree')
385
 
        expected_result = ([], [
386
 
            (('', '', tree.get_root_id()), # common details
387
 
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
388
 
             ])])
389
 
        state = dirstate.DirState.from_tree(tree, 'dirstate')
390
 
        state._validate()
391
 
        self.check_state_with_reopen(expected_result, state)
392
 
 
393
 
    def test_1_parents_empty_to_dirstate(self):
394
 
        # create a parent by doing a commit
395
 
        tree = self.make_branch_and_tree('tree')
396
 
        rev_id = tree.commit('first post').encode('utf8')
397
 
        root_stat_pack = dirstate.pack_stat(os.stat(tree.basedir))
398
 
        expected_result = ([rev_id], [
399
 
            (('', '', tree.get_root_id()), # common details
400
 
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
401
 
              ('d', '', 0, False, rev_id), # first parent details
402
 
             ])])
403
 
        state = dirstate.DirState.from_tree(tree, 'dirstate')
404
 
        self.check_state_with_reopen(expected_result, state)
405
 
        state.lock_read()
406
 
        try:
407
 
            state._validate()
408
 
        finally:
409
 
            state.unlock()
410
 
 
411
 
    def test_2_parents_empty_to_dirstate(self):
412
 
        # create a parent by doing a commit
413
 
        tree = self.make_branch_and_tree('tree')
414
 
        rev_id = tree.commit('first post')
415
 
        tree2 = tree.bzrdir.sprout('tree2').open_workingtree()
416
 
        rev_id2 = tree2.commit('second post', allow_pointless=True)
417
 
        tree.merge_from_branch(tree2.branch)
418
 
        expected_result = ([rev_id, rev_id2], [
419
 
            (('', '', tree.get_root_id()), # common details
420
 
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
421
 
              ('d', '', 0, False, rev_id), # first parent details
422
 
              ('d', '', 0, False, rev_id2), # second parent details
423
 
             ])])
424
 
        state = dirstate.DirState.from_tree(tree, 'dirstate')
425
 
        self.check_state_with_reopen(expected_result, state)
426
 
        state.lock_read()
427
 
        try:
428
 
            state._validate()
429
 
        finally:
430
 
            state.unlock()
431
 
 
432
 
    def test_empty_unknowns_are_ignored_to_dirstate(self):
433
 
        """We should be able to create a dirstate for an empty tree."""
434
 
        # There are no files on disk and no parents
435
 
        tree = self.make_branch_and_tree('tree')
436
 
        self.build_tree(['tree/unknown'])
437
 
        expected_result = ([], [
438
 
            (('', '', tree.get_root_id()), # common details
439
 
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
440
 
             ])])
441
 
        state = dirstate.DirState.from_tree(tree, 'dirstate')
442
 
        self.check_state_with_reopen(expected_result, state)
443
 
 
444
 
    def get_tree_with_a_file(self):
445
 
        tree = self.make_branch_and_tree('tree')
446
 
        self.build_tree(['tree/a file'])
447
 
        tree.add('a file', 'a-file-id')
448
 
        return tree
449
 
 
450
 
    def test_non_empty_no_parents_to_dirstate(self):
451
 
        """We should be able to create a dirstate for an empty tree."""
452
 
        # There are files on disk and no parents
453
 
        tree = self.get_tree_with_a_file()
454
 
        expected_result = ([], [
455
 
            (('', '', tree.get_root_id()), # common details
456
 
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
457
 
             ]),
458
 
            (('', 'a file', 'a-file-id'), # common
459
 
             [('f', '', 0, False, dirstate.DirState.NULLSTAT), # current
460
 
             ]),
461
 
            ])
462
 
        state = dirstate.DirState.from_tree(tree, 'dirstate')
463
 
        self.check_state_with_reopen(expected_result, state)
464
 
 
465
 
    def test_1_parents_not_empty_to_dirstate(self):
466
 
        # create a parent by doing a commit
467
 
        tree = self.get_tree_with_a_file()
468
 
        rev_id = tree.commit('first post').encode('utf8')
469
 
        # change the current content to be different this will alter stat, sha
470
 
        # and length:
471
 
        self.build_tree_contents([('tree/a file', 'new content\n')])
472
 
        expected_result = ([rev_id], [
473
 
            (('', '', tree.get_root_id()), # common details
474
 
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
475
 
              ('d', '', 0, False, rev_id), # first parent details
476
 
             ]),
477
 
            (('', 'a file', 'a-file-id'), # common
478
 
             [('f', '', 0, False, dirstate.DirState.NULLSTAT), # current
479
 
              ('f', 'c3ed76e4bfd45ff1763ca206055bca8e9fc28aa8', 24, False,
480
 
               rev_id), # first parent
481
 
             ]),
482
 
            ])
483
 
        state = dirstate.DirState.from_tree(tree, 'dirstate')
484
 
        self.check_state_with_reopen(expected_result, state)
485
 
 
486
 
    def test_2_parents_not_empty_to_dirstate(self):
487
 
        # create a parent by doing a commit
488
 
        tree = self.get_tree_with_a_file()
489
 
        rev_id = tree.commit('first post').encode('utf8')
490
 
        tree2 = tree.bzrdir.sprout('tree2').open_workingtree()
491
 
        # change the current content to be different this will alter stat, sha
492
 
        # and length:
493
 
        self.build_tree_contents([('tree2/a file', 'merge content\n')])
494
 
        rev_id2 = tree2.commit('second post').encode('utf8')
495
 
        tree.merge_from_branch(tree2.branch)
496
 
        # change the current content to be different this will alter stat, sha
497
 
        # and length again, giving us three distinct values:
498
 
        self.build_tree_contents([('tree/a file', 'new content\n')])
499
 
        expected_result = ([rev_id, rev_id2], [
500
 
            (('', '', tree.get_root_id()), # common details
501
 
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
502
 
              ('d', '', 0, False, rev_id), # first parent details
503
 
              ('d', '', 0, False, rev_id2), # second parent details
504
 
             ]),
505
 
            (('', 'a file', 'a-file-id'), # common
506
 
             [('f', '', 0, False, dirstate.DirState.NULLSTAT), # current
507
 
              ('f', 'c3ed76e4bfd45ff1763ca206055bca8e9fc28aa8', 24, False,
508
 
               rev_id), # first parent
509
 
              ('f', '314d796174c9412647c3ce07dfb5d36a94e72958', 14, False,
510
 
               rev_id2), # second parent
511
 
             ]),
512
 
            ])
513
 
        state = dirstate.DirState.from_tree(tree, 'dirstate')
514
 
        self.check_state_with_reopen(expected_result, state)
515
 
 
516
 
    def test_colliding_fileids(self):
517
 
        # test insertion of parents creating several entries at the same path.
518
 
        # we used to have a bug where they could cause the dirstate to break
519
 
        # its ordering invariants.
520
 
        # create some trees to test from
521
 
        parents = []
522
 
        for i in range(7):
523
 
            tree = self.make_branch_and_tree('tree%d' % i)
524
 
            self.build_tree(['tree%d/name' % i,])
525
 
            tree.add(['name'], ['file-id%d' % i])
526
 
            revision_id = 'revid-%d' % i
527
 
            tree.commit('message', rev_id=revision_id)
528
 
            parents.append((revision_id,
529
 
                tree.branch.repository.revision_tree(revision_id)))
530
 
        # now fold these trees into a dirstate
531
 
        state = dirstate.DirState.initialize('dirstate')
532
 
        try:
533
 
            state.set_parent_trees(parents, [])
534
 
            state._validate()
535
 
        finally:
536
 
            state.unlock()
537
 
 
538
 
 
539
 
class TestDirStateOnFile(TestCaseWithDirState):
540
 
 
541
 
    def test_construct_with_path(self):
542
 
        tree = self.make_branch_and_tree('tree')
543
 
        state = dirstate.DirState.from_tree(tree, 'dirstate.from_tree')
544
 
        # we want to be able to get the lines of the dirstate that we will
545
 
        # write to disk.
546
 
        lines = state.get_lines()
547
 
        state.unlock()
548
 
        self.build_tree_contents([('dirstate', ''.join(lines))])
549
 
        # get a state object
550
 
        # no parents, default tree content
551
 
        expected_result = ([], [
552
 
            (('', '', tree.get_root_id()), # common details
553
 
             # current tree details, but new from_tree skips statting, it
554
 
             # uses set_state_from_inventory, and thus depends on the
555
 
             # inventory state.
556
 
             [('d', '', 0, False, dirstate.DirState.NULLSTAT),
557
 
             ])
558
 
            ])
559
 
        state = dirstate.DirState.on_file('dirstate')
560
 
        state.lock_write() # check_state_with_reopen will save() and unlock it
561
 
        self.check_state_with_reopen(expected_result, state)
562
 
 
563
 
    def test_can_save_clean_on_file(self):
564
 
        tree = self.make_branch_and_tree('tree')
565
 
        state = dirstate.DirState.from_tree(tree, 'dirstate')
566
 
        try:
567
 
            # doing a save should work here as there have been no changes.
568
 
            state.save()
569
 
            # TODO: stat it and check it hasn't changed; may require waiting
570
 
            # for the state accuracy window.
571
 
        finally:
572
 
            state.unlock()
573
 
 
574
 
    def test_can_save_in_read_lock(self):
575
 
        self.build_tree(['a-file'])
576
 
        state = dirstate.DirState.initialize('dirstate')
577
 
        try:
578
 
            # No stat and no sha1 sum.
579
 
            state.add('a-file', 'a-file-id', 'file', None, '')
580
 
            state.save()
581
 
        finally:
582
 
            state.unlock()
583
 
 
584
 
        # Now open in readonly mode
585
 
        state = dirstate.DirState.on_file('dirstate')
586
 
        state.lock_read()
587
 
        try:
588
 
            entry = state._get_entry(0, path_utf8='a-file')
589
 
            # The current size should be 0 (default)
590
 
            self.assertEqual(0, entry[1][0][2])
591
 
            # We should have a real entry.
592
 
            self.assertNotEqual((None, None), entry)
593
 
            # Make sure everything is old enough
594
 
            state._sha_cutoff_time()
595
 
            state._cutoff_time += 10
596
 
            # Change the file length
597
 
            self.build_tree_contents([('a-file', 'shorter')])
598
 
            sha1sum = dirstate.update_entry(state, entry, 'a-file',
599
 
                os.lstat('a-file'))
600
 
            # new file, no cached sha:
601
 
            self.assertEqual(None, sha1sum)
602
 
 
603
 
            # The dirblock has been updated
604
 
            self.assertEqual(7, entry[1][0][2])
605
 
            self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
606
 
                             state._dirblock_state)
607
 
 
608
 
            del entry
609
 
            # Now, since we are the only one holding a lock, we should be able
610
 
            # to save and have it written to disk
611
 
            state.save()
612
 
        finally:
613
 
            state.unlock()
614
 
 
615
 
        # Re-open the file, and ensure that the state has been updated.
616
 
        state = dirstate.DirState.on_file('dirstate')
617
 
        state.lock_read()
618
 
        try:
619
 
            entry = state._get_entry(0, path_utf8='a-file')
620
 
            self.assertEqual(7, entry[1][0][2])
621
 
        finally:
622
 
            state.unlock()
623
 
 
624
 
    def test_save_fails_quietly_if_locked(self):
625
 
        """If dirstate is locked, save will fail without complaining."""
626
 
        self.build_tree(['a-file'])
627
 
        state = dirstate.DirState.initialize('dirstate')
628
 
        try:
629
 
            # No stat and no sha1 sum.
630
 
            state.add('a-file', 'a-file-id', 'file', None, '')
631
 
            state.save()
632
 
        finally:
633
 
            state.unlock()
634
 
 
635
 
        state = dirstate.DirState.on_file('dirstate')
636
 
        state.lock_read()
637
 
        try:
638
 
            entry = state._get_entry(0, path_utf8='a-file')
639
 
            sha1sum = dirstate.update_entry(state, entry, 'a-file',
640
 
                os.lstat('a-file'))
641
 
            # No sha - too new
642
 
            self.assertEqual(None, sha1sum)
643
 
            self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
644
 
                             state._dirblock_state)
645
 
 
646
 
            # Now, before we try to save, grab another dirstate, and take out a
647
 
            # read lock.
648
 
            # TODO: jam 20070315 Ideally this would be locked by another
649
 
            #       process. To make sure the file is really OS locked.
650
 
            state2 = dirstate.DirState.on_file('dirstate')
651
 
            state2.lock_read()
652
 
            try:
653
 
                # This won't actually write anything, because it couldn't grab
654
 
                # a write lock. But it shouldn't raise an error, either.
655
 
                # TODO: jam 20070315 We should probably distinguish between
656
 
                #       being dirty because of 'update_entry'. And dirty
657
 
                #       because of real modification. So that save() *does*
658
 
                #       raise a real error if it fails when we have real
659
 
                #       modifications.
660
 
                state.save()
661
 
            finally:
662
 
                state2.unlock()
663
 
        finally:
664
 
            state.unlock()
665
 
 
666
 
        # The file on disk should not be modified.
667
 
        state = dirstate.DirState.on_file('dirstate')
668
 
        state.lock_read()
669
 
        try:
670
 
            entry = state._get_entry(0, path_utf8='a-file')
671
 
            self.assertEqual('', entry[1][0][1])
672
 
        finally:
673
 
            state.unlock()
674
 
 
675
 
    def test_save_refuses_if_changes_aborted(self):
676
 
        self.build_tree(['a-file', 'a-dir/'])
677
 
        state = dirstate.DirState.initialize('dirstate')
678
 
        try:
679
 
            # No stat and no sha1 sum.
680
 
            state.add('a-file', 'a-file-id', 'file', None, '')
681
 
            state.save()
682
 
        finally:
683
 
            state.unlock()
684
 
 
685
 
        # The dirstate should include TREE_ROOT and 'a-file' and nothing else
686
 
        expected_blocks = [
687
 
            ('', [(('', '', 'TREE_ROOT'),
688
 
                   [('d', '', 0, False, dirstate.DirState.NULLSTAT)])]),
689
 
            ('', [(('', 'a-file', 'a-file-id'),
690
 
                   [('f', '', 0, False, dirstate.DirState.NULLSTAT)])]),
691
 
        ]
692
 
 
693
 
        state = dirstate.DirState.on_file('dirstate')
694
 
        state.lock_write()
695
 
        try:
696
 
            state._read_dirblocks_if_needed()
697
 
            self.assertEqual(expected_blocks, state._dirblocks)
698
 
 
699
 
            # Now modify the state, but mark it as inconsistent
700
 
            state.add('a-dir', 'a-dir-id', 'directory', None, '')
701
 
            state._changes_aborted = True
702
 
            state.save()
703
 
        finally:
704
 
            state.unlock()
705
 
 
706
 
        state = dirstate.DirState.on_file('dirstate')
707
 
        state.lock_read()
708
 
        try:
709
 
            state._read_dirblocks_if_needed()
710
 
            self.assertEqual(expected_blocks, state._dirblocks)
711
 
        finally:
712
 
            state.unlock()
713
 
 
714
 
 
715
 
class TestDirStateInitialize(TestCaseWithDirState):
716
 
 
717
 
    def test_initialize(self):
718
 
        expected_result = ([], [
719
 
            (('', '', 'TREE_ROOT'), # common details
720
 
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
721
 
             ])
722
 
            ])
723
 
        state = dirstate.DirState.initialize('dirstate')
724
 
        try:
725
 
            self.assertIsInstance(state, dirstate.DirState)
726
 
            lines = state.get_lines()
727
 
        finally:
728
 
            state.unlock()
729
 
        # On win32 you can't read from a locked file, even within the same
730
 
        # process. So we have to unlock and release before we check the file
731
 
        # contents.
732
 
        self.assertFileEqual(''.join(lines), 'dirstate')
733
 
        state.lock_read() # check_state_with_reopen will unlock
734
 
        self.check_state_with_reopen(expected_result, state)
735
 
 
736
 
 
737
 
class TestDirStateManipulations(TestCaseWithDirState):
738
 
 
739
 
    def test_set_state_from_inventory_no_content_no_parents(self):
740
 
        # setting the current inventory is a slow but important api to support.
741
 
        tree1 = self.make_branch_and_memory_tree('tree1')
742
 
        tree1.lock_write()
743
 
        try:
744
 
            tree1.add('')
745
 
            revid1 = tree1.commit('foo').encode('utf8')
746
 
            root_id = tree1.get_root_id()
747
 
            inv = tree1.inventory
748
 
        finally:
749
 
            tree1.unlock()
750
 
        expected_result = [], [
751
 
            (('', '', root_id), [
752
 
             ('d', '', 0, False, dirstate.DirState.NULLSTAT)])]
753
 
        state = dirstate.DirState.initialize('dirstate')
754
 
        try:
755
 
            state.set_state_from_inventory(inv)
756
 
            self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
757
 
                             state._header_state)
758
 
            self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
759
 
                             state._dirblock_state)
760
 
        except:
761
 
            state.unlock()
762
 
            raise
763
 
        else:
764
 
            # This will unlock it
765
 
            self.check_state_with_reopen(expected_result, state)
766
 
 
767
 
    def test_set_state_from_inventory_preserves_hashcache(self):
768
 
        # https://bugs.launchpad.net/bzr/+bug/146176
769
 
        # set_state_from_inventory should preserve the stat and hash value for
770
 
        # workingtree files that are not changed by the inventory.
771
 
 
772
 
        tree = self.make_branch_and_tree('.')
773
 
        # depends on the default format using dirstate...
774
 
        tree.lock_write()
775
 
        try:
776
 
            # make a dirstate with some valid hashcache data
777
 
            # file on disk, but that's not needed for this test
778
 
            foo_contents = 'contents of foo'
779
 
            self.build_tree_contents([('foo', foo_contents)])
780
 
            tree.add('foo', 'foo-id')
781
 
 
782
 
            foo_stat = os.stat('foo')
783
 
            foo_packed = dirstate.pack_stat(foo_stat)
784
 
            foo_sha = osutils.sha_string(foo_contents)
785
 
            foo_size = len(foo_contents)
786
 
 
787
 
            # should not be cached yet, because the file's too fresh
788
 
            self.assertEqual(
789
 
                (('', 'foo', 'foo-id',),
790
 
                 [('f', '', 0, False, dirstate.DirState.NULLSTAT)]),
791
 
                tree._dirstate._get_entry(0, 'foo-id'))
792
 
            # poke in some hashcache information - it wouldn't normally be
793
 
            # stored because it's too fresh
794
 
            tree._dirstate.update_minimal(
795
 
                ('', 'foo', 'foo-id'),
796
 
                'f', False, foo_sha, foo_packed, foo_size, 'foo')
797
 
            # now should be cached
798
 
            self.assertEqual(
799
 
                (('', 'foo', 'foo-id',),
800
 
                 [('f', foo_sha, foo_size, False, foo_packed)]),
801
 
                tree._dirstate._get_entry(0, 'foo-id'))
802
 
 
803
 
            # extract the inventory, and add something to it
804
 
            inv = tree._get_inventory()
805
 
            # should see the file we poked in...
806
 
            self.assertTrue(inv.has_id('foo-id'))
807
 
            self.assertTrue(inv.has_filename('foo'))
808
 
            inv.add_path('bar', 'file', 'bar-id')
809
 
            tree._dirstate._validate()
810
 
            # this used to cause it to lose its hashcache
811
 
            tree._dirstate.set_state_from_inventory(inv)
812
 
            tree._dirstate._validate()
813
 
        finally:
814
 
            tree.unlock()
815
 
 
816
 
        tree.lock_read()
817
 
        try:
818
 
            # now check that the state still has the original hashcache value
819
 
            state = tree._dirstate
820
 
            state._validate()
821
 
            foo_tuple = state._get_entry(0, path_utf8='foo')
822
 
            self.assertEqual(
823
 
                (('', 'foo', 'foo-id',),
824
 
                 [('f', foo_sha, len(foo_contents), False,
825
 
                   dirstate.pack_stat(foo_stat))]),
826
 
                foo_tuple)
827
 
        finally:
828
 
            tree.unlock()
829
 
 
830
 
 
831
 
    def test_set_state_from_inventory_mixed_paths(self):
832
 
        tree1 = self.make_branch_and_tree('tree1')
833
 
        self.build_tree(['tree1/a/', 'tree1/a/b/', 'tree1/a-b/',
834
 
                         'tree1/a/b/foo', 'tree1/a-b/bar'])
835
 
        tree1.lock_write()
836
 
        try:
837
 
            tree1.add(['a', 'a/b', 'a-b', 'a/b/foo', 'a-b/bar'],
838
 
                      ['a-id', 'b-id', 'a-b-id', 'foo-id', 'bar-id'])
839
 
            tree1.commit('rev1', rev_id='rev1')
840
 
            root_id = tree1.get_root_id()
841
 
            inv = tree1.inventory
842
 
        finally:
843
 
            tree1.unlock()
844
 
        expected_result1 = [('', '', root_id, 'd'),
845
 
                            ('', 'a', 'a-id', 'd'),
846
 
                            ('', 'a-b', 'a-b-id', 'd'),
847
 
                            ('a', 'b', 'b-id', 'd'),
848
 
                            ('a/b', 'foo', 'foo-id', 'f'),
849
 
                            ('a-b', 'bar', 'bar-id', 'f'),
850
 
                           ]
851
 
        expected_result2 = [('', '', root_id, 'd'),
852
 
                            ('', 'a', 'a-id', 'd'),
853
 
                            ('', 'a-b', 'a-b-id', 'd'),
854
 
                            ('a-b', 'bar', 'bar-id', 'f'),
855
 
                           ]
856
 
        state = dirstate.DirState.initialize('dirstate')
857
 
        try:
858
 
            state.set_state_from_inventory(inv)
859
 
            values = []
860
 
            for entry in state._iter_entries():
861
 
                values.append(entry[0] + entry[1][0][:1])
862
 
            self.assertEqual(expected_result1, values)
863
 
            del inv['b-id']
864
 
            state.set_state_from_inventory(inv)
865
 
            values = []
866
 
            for entry in state._iter_entries():
867
 
                values.append(entry[0] + entry[1][0][:1])
868
 
            self.assertEqual(expected_result2, values)
869
 
        finally:
870
 
            state.unlock()
871
 
 
872
 
    def test_set_path_id_no_parents(self):
873
 
        """The id of a path can be changed trivally with no parents."""
874
 
        state = dirstate.DirState.initialize('dirstate')
875
 
        try:
876
 
            # check precondition to be sure the state does change appropriately.
877
 
            self.assertEqual(
878
 
                [(('', '', 'TREE_ROOT'), [('d', '', 0, False,
879
 
                   'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx')])],
880
 
                list(state._iter_entries()))
881
 
            state.set_path_id('', 'foobarbaz')
882
 
            expected_rows = [
883
 
                (('', '', 'foobarbaz'), [('d', '', 0, False,
884
 
                   'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx')])]
885
 
            self.assertEqual(expected_rows, list(state._iter_entries()))
886
 
            # should work across save too
887
 
            state.save()
888
 
        finally:
889
 
            state.unlock()
890
 
        state = dirstate.DirState.on_file('dirstate')
891
 
        state.lock_read()
892
 
        try:
893
 
            state._validate()
894
 
            self.assertEqual(expected_rows, list(state._iter_entries()))
895
 
        finally:
896
 
            state.unlock()
897
 
 
898
 
    def test_set_path_id_with_parents(self):
899
 
        """Set the root file id in a dirstate with parents"""
900
 
        mt = self.make_branch_and_tree('mt')
901
 
        # in case the default tree format uses a different root id
902
 
        mt.set_root_id('TREE_ROOT')
903
 
        mt.commit('foo', rev_id='parent-revid')
904
 
        rt = mt.branch.repository.revision_tree('parent-revid')
905
 
        state = dirstate.DirState.initialize('dirstate')
906
 
        state._validate()
907
 
        try:
908
 
            state.set_parent_trees([('parent-revid', rt)], ghosts=[])
909
 
            state.set_path_id('', 'foobarbaz')
910
 
            state._validate()
911
 
            # now see that it is what we expected
912
 
            expected_rows = [
913
 
                (('', '', 'TREE_ROOT'),
914
 
                    [('a', '', 0, False, ''),
915
 
                     ('d', '', 0, False, 'parent-revid'),
916
 
                     ]),
917
 
                (('', '', 'foobarbaz'),
918
 
                    [('d', '', 0, False, ''),
919
 
                     ('a', '', 0, False, ''),
920
 
                     ]),
921
 
                ]
922
 
            state._validate()
923
 
            self.assertEqual(expected_rows, list(state._iter_entries()))
924
 
            # should work across save too
925
 
            state.save()
926
 
        finally:
927
 
            state.unlock()
928
 
        # now flush & check we get the same
929
 
        state = dirstate.DirState.on_file('dirstate')
930
 
        state.lock_read()
931
 
        try:
932
 
            state._validate()
933
 
            self.assertEqual(expected_rows, list(state._iter_entries()))
934
 
        finally:
935
 
            state.unlock()
936
 
        # now change within an existing file-backed state
937
 
        state.lock_write()
938
 
        try:
939
 
            state._validate()
940
 
            state.set_path_id('', 'tree-root-2')
941
 
            state._validate()
942
 
        finally:
943
 
            state.unlock()
944
 
 
945
 
 
946
 
    def test_set_parent_trees_no_content(self):
947
 
        # set_parent_trees is a slow but important api to support.
948
 
        tree1 = self.make_branch_and_memory_tree('tree1')
949
 
        tree1.lock_write()
950
 
        try:
951
 
            tree1.add('')
952
 
            revid1 = tree1.commit('foo')
953
 
        finally:
954
 
            tree1.unlock()
955
 
        branch2 = tree1.branch.bzrdir.clone('tree2').open_branch()
956
 
        tree2 = memorytree.MemoryTree.create_on_branch(branch2)
957
 
        tree2.lock_write()
958
 
        try:
959
 
            revid2 = tree2.commit('foo')
960
 
            root_id = tree2.get_root_id()
961
 
        finally:
962
 
            tree2.unlock()
963
 
        state = dirstate.DirState.initialize('dirstate')
964
 
        try:
965
 
            state.set_path_id('', root_id)
966
 
            state.set_parent_trees(
967
 
                ((revid1, tree1.branch.repository.revision_tree(revid1)),
968
 
                 (revid2, tree2.branch.repository.revision_tree(revid2)),
969
 
                 ('ghost-rev', None)),
970
 
                ['ghost-rev'])
971
 
            # check we can reopen and use the dirstate after setting parent
972
 
            # trees.
973
 
            state._validate()
974
 
            state.save()
975
 
            state._validate()
976
 
        finally:
977
 
            state.unlock()
978
 
        state = dirstate.DirState.on_file('dirstate')
979
 
        state.lock_write()
980
 
        try:
981
 
            self.assertEqual([revid1, revid2, 'ghost-rev'],
982
 
                             state.get_parent_ids())
983
 
            # iterating the entire state ensures that the state is parsable.
984
 
            list(state._iter_entries())
985
 
            # be sure that it sets not appends - change it
986
 
            state.set_parent_trees(
987
 
                ((revid1, tree1.branch.repository.revision_tree(revid1)),
988
 
                 ('ghost-rev', None)),
989
 
                ['ghost-rev'])
990
 
            # and now put it back.
991
 
            state.set_parent_trees(
992
 
                ((revid1, tree1.branch.repository.revision_tree(revid1)),
993
 
                 (revid2, tree2.branch.repository.revision_tree(revid2)),
994
 
                 ('ghost-rev', tree2.branch.repository.revision_tree(
995
 
                                   _mod_revision.NULL_REVISION))),
996
 
                ['ghost-rev'])
997
 
            self.assertEqual([revid1, revid2, 'ghost-rev'],
998
 
                             state.get_parent_ids())
999
 
            # the ghost should be recorded as such by set_parent_trees.
1000
 
            self.assertEqual(['ghost-rev'], state.get_ghosts())
1001
 
            self.assertEqual(
1002
 
                [(('', '', root_id), [
1003
 
                  ('d', '', 0, False, dirstate.DirState.NULLSTAT),
1004
 
                  ('d', '', 0, False, revid1),
1005
 
                  ('d', '', 0, False, revid2)
1006
 
                  ])],
1007
 
                list(state._iter_entries()))
1008
 
        finally:
1009
 
            state.unlock()
1010
 
 
1011
 
    def test_set_parent_trees_file_missing_from_tree(self):
1012
 
        # Adding a parent tree may reference files not in the current state.
1013
 
        # they should get listed just once by id, even if they are in two
1014
 
        # separate trees.
1015
 
        # set_parent_trees is a slow but important api to support.
1016
 
        tree1 = self.make_branch_and_memory_tree('tree1')
1017
 
        tree1.lock_write()
1018
 
        try:
1019
 
            tree1.add('')
1020
 
            tree1.add(['a file'], ['file-id'], ['file'])
1021
 
            tree1.put_file_bytes_non_atomic('file-id', 'file-content')
1022
 
            revid1 = tree1.commit('foo')
1023
 
        finally:
1024
 
            tree1.unlock()
1025
 
        branch2 = tree1.branch.bzrdir.clone('tree2').open_branch()
1026
 
        tree2 = memorytree.MemoryTree.create_on_branch(branch2)
1027
 
        tree2.lock_write()
1028
 
        try:
1029
 
            tree2.put_file_bytes_non_atomic('file-id', 'new file-content')
1030
 
            revid2 = tree2.commit('foo')
1031
 
            root_id = tree2.get_root_id()
1032
 
        finally:
1033
 
            tree2.unlock()
1034
 
        # check the layout in memory
1035
 
        expected_result = [revid1.encode('utf8'), revid2.encode('utf8')], [
1036
 
            (('', '', root_id), [
1037
 
             ('d', '', 0, False, dirstate.DirState.NULLSTAT),
1038
 
             ('d', '', 0, False, revid1.encode('utf8')),
1039
 
             ('d', '', 0, False, revid2.encode('utf8'))
1040
 
             ]),
1041
 
            (('', 'a file', 'file-id'), [
1042
 
             ('a', '', 0, False, ''),
1043
 
             ('f', '2439573625385400f2a669657a7db6ae7515d371', 12, False,
1044
 
              revid1.encode('utf8')),
1045
 
             ('f', '542e57dc1cda4af37cb8e55ec07ce60364bb3c7d', 16, False,
1046
 
              revid2.encode('utf8'))
1047
 
             ])
1048
 
            ]
1049
 
        state = dirstate.DirState.initialize('dirstate')
1050
 
        try:
1051
 
            state.set_path_id('', root_id)
1052
 
            state.set_parent_trees(
1053
 
                ((revid1, tree1.branch.repository.revision_tree(revid1)),
1054
 
                 (revid2, tree2.branch.repository.revision_tree(revid2)),
1055
 
                 ), [])
1056
 
        except:
1057
 
            state.unlock()
1058
 
            raise
1059
 
        else:
1060
 
            # check_state_with_reopen will unlock
1061
 
            self.check_state_with_reopen(expected_result, state)
1062
 
 
1063
 
    ### add a path via _set_data - so we dont need delta work, just
1064
 
    # raw data in, and ensure that it comes out via get_lines happily.
1065
 
 
1066
 
    def test_add_path_to_root_no_parents_all_data(self):
1067
 
        # The most trivial addition of a path is when there are no parents and
1068
 
        # its in the root and all data about the file is supplied
1069
 
        self.build_tree(['a file'])
1070
 
        stat = os.lstat('a file')
1071
 
        # the 1*20 is the sha1 pretend value.
1072
 
        state = dirstate.DirState.initialize('dirstate')
1073
 
        expected_entries = [
1074
 
            (('', '', 'TREE_ROOT'), [
1075
 
             ('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
1076
 
             ]),
1077
 
            (('', 'a file', 'a-file-id'), [
1078
 
             ('f', '1'*20, 19, False, dirstate.pack_stat(stat)), # current tree
1079
 
             ]),
1080
 
            ]
1081
 
        try:
1082
 
            state.add('a file', 'a-file-id', 'file', stat, '1'*20)
1083
 
            # having added it, it should be in the output of iter_entries.
1084
 
            self.assertEqual(expected_entries, list(state._iter_entries()))
1085
 
            # saving and reloading should not affect this.
1086
 
            state.save()
1087
 
        finally:
1088
 
            state.unlock()
1089
 
        state = dirstate.DirState.on_file('dirstate')
1090
 
        state.lock_read()
1091
 
        self.addCleanup(state.unlock)
1092
 
        self.assertEqual(expected_entries, list(state._iter_entries()))
1093
 
 
1094
 
    def test_add_path_to_unversioned_directory(self):
1095
 
        """Adding a path to an unversioned directory should error.
1096
 
 
1097
 
        This is a duplicate of TestWorkingTree.test_add_in_unversioned,
1098
 
        once dirstate is stable and if it is merged with WorkingTree3, consider
1099
 
        removing this copy of the test.
1100
 
        """
1101
 
        self.build_tree(['unversioned/', 'unversioned/a file'])
1102
 
        state = dirstate.DirState.initialize('dirstate')
1103
 
        self.addCleanup(state.unlock)
1104
 
        self.assertRaises(errors.NotVersionedError, state.add,
1105
 
                          'unversioned/a file', 'a-file-id', 'file', None, None)
1106
 
 
1107
 
    def test_add_directory_to_root_no_parents_all_data(self):
1108
 
        # The most trivial addition of a dir is when there are no parents and
1109
 
        # its in the root and all data about the file is supplied
1110
 
        self.build_tree(['a dir/'])
1111
 
        stat = os.lstat('a dir')
1112
 
        expected_entries = [
1113
 
            (('', '', 'TREE_ROOT'), [
1114
 
             ('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
1115
 
             ]),
1116
 
            (('', 'a dir', 'a dir id'), [
1117
 
             ('d', '', 0, False, dirstate.pack_stat(stat)), # current tree
1118
 
             ]),
1119
 
            ]
1120
 
        state = dirstate.DirState.initialize('dirstate')
1121
 
        try:
1122
 
            state.add('a dir', 'a dir id', 'directory', stat, None)
1123
 
            # having added it, it should be in the output of iter_entries.
1124
 
            self.assertEqual(expected_entries, list(state._iter_entries()))
1125
 
            # saving and reloading should not affect this.
1126
 
            state.save()
1127
 
        finally:
1128
 
            state.unlock()
1129
 
        state = dirstate.DirState.on_file('dirstate')
1130
 
        state.lock_read()
1131
 
        self.addCleanup(state.unlock)
1132
 
        state._validate()
1133
 
        self.assertEqual(expected_entries, list(state._iter_entries()))
1134
 
 
1135
 
    def _test_add_symlink_to_root_no_parents_all_data(self, link_name, target):
1136
 
        # The most trivial addition of a symlink when there are no parents and
1137
 
        # its in the root and all data about the file is supplied
1138
 
        # bzr doesn't support fake symlinks on windows, yet.
1139
 
        self.requireFeature(tests.SymlinkFeature)
1140
 
        os.symlink(target, link_name)
1141
 
        stat = os.lstat(link_name)
1142
 
        expected_entries = [
1143
 
            (('', '', 'TREE_ROOT'), [
1144
 
             ('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
1145
 
             ]),
1146
 
            (('', link_name.encode('UTF-8'), 'a link id'), [
1147
 
             ('l', target.encode('UTF-8'), stat[6],
1148
 
              False, dirstate.pack_stat(stat)), # current tree
1149
 
             ]),
1150
 
            ]
1151
 
        state = dirstate.DirState.initialize('dirstate')
1152
 
        try:
1153
 
            state.add(link_name, 'a link id', 'symlink', stat,
1154
 
                      target.encode('UTF-8'))
1155
 
            # having added it, it should be in the output of iter_entries.
1156
 
            self.assertEqual(expected_entries, list(state._iter_entries()))
1157
 
            # saving and reloading should not affect this.
1158
 
            state.save()
1159
 
        finally:
1160
 
            state.unlock()
1161
 
        state = dirstate.DirState.on_file('dirstate')
1162
 
        state.lock_read()
1163
 
        self.addCleanup(state.unlock)
1164
 
        self.assertEqual(expected_entries, list(state._iter_entries()))
1165
 
 
1166
 
    def test_add_symlink_to_root_no_parents_all_data(self):
1167
 
        self._test_add_symlink_to_root_no_parents_all_data('a link', 'target')
1168
 
 
1169
 
    def test_add_symlink_unicode_to_root_no_parents_all_data(self):
1170
 
        self.requireFeature(tests.UnicodeFilenameFeature)
1171
 
        self._test_add_symlink_to_root_no_parents_all_data(
1172
 
            u'\N{Euro Sign}link', u'targ\N{Euro Sign}et')
1173
 
 
1174
 
    def test_add_directory_and_child_no_parents_all_data(self):
1175
 
        # after adding a directory, we should be able to add children to it.
1176
 
        self.build_tree(['a dir/', 'a dir/a file'])
1177
 
        dirstat = os.lstat('a dir')
1178
 
        filestat = os.lstat('a dir/a file')
1179
 
        expected_entries = [
1180
 
            (('', '', 'TREE_ROOT'), [
1181
 
             ('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
1182
 
             ]),
1183
 
            (('', 'a dir', 'a dir id'), [
1184
 
             ('d', '', 0, False, dirstate.pack_stat(dirstat)), # current tree
1185
 
             ]),
1186
 
            (('a dir', 'a file', 'a-file-id'), [
1187
 
             ('f', '1'*20, 25, False,
1188
 
              dirstate.pack_stat(filestat)), # current tree details
1189
 
             ]),
1190
 
            ]
1191
 
        state = dirstate.DirState.initialize('dirstate')
1192
 
        try:
1193
 
            state.add('a dir', 'a dir id', 'directory', dirstat, None)
1194
 
            state.add('a dir/a file', 'a-file-id', 'file', filestat, '1'*20)
1195
 
            # added it, it should be in the output of iter_entries.
1196
 
            self.assertEqual(expected_entries, list(state._iter_entries()))
1197
 
            # saving and reloading should not affect this.
1198
 
            state.save()
1199
 
        finally:
1200
 
            state.unlock()
1201
 
        state = dirstate.DirState.on_file('dirstate')
1202
 
        state.lock_read()
1203
 
        self.addCleanup(state.unlock)
1204
 
        self.assertEqual(expected_entries, list(state._iter_entries()))
1205
 
 
1206
 
    def test_add_tree_reference(self):
1207
 
        # make a dirstate and add a tree reference
1208
 
        state = dirstate.DirState.initialize('dirstate')
1209
 
        expected_entry = (
1210
 
            ('', 'subdir', 'subdir-id'),
1211
 
            [('t', 'subtree-123123', 0, False,
1212
 
              'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx')],
1213
 
            )
1214
 
        try:
1215
 
            state.add('subdir', 'subdir-id', 'tree-reference', None, 'subtree-123123')
1216
 
            entry = state._get_entry(0, 'subdir-id', 'subdir')
1217
 
            self.assertEqual(entry, expected_entry)
1218
 
            state._validate()
1219
 
            state.save()
1220
 
        finally:
1221
 
            state.unlock()
1222
 
        # now check we can read it back
1223
 
        state.lock_read()
1224
 
        self.addCleanup(state.unlock)
1225
 
        state._validate()
1226
 
        entry2 = state._get_entry(0, 'subdir-id', 'subdir')
1227
 
        self.assertEqual(entry, entry2)
1228
 
        self.assertEqual(entry, expected_entry)
1229
 
        # and lookup by id should work too
1230
 
        entry2 = state._get_entry(0, fileid_utf8='subdir-id')
1231
 
        self.assertEqual(entry, expected_entry)
1232
 
 
1233
 
    def test_add_forbidden_names(self):
1234
 
        state = dirstate.DirState.initialize('dirstate')
1235
 
        self.addCleanup(state.unlock)
1236
 
        self.assertRaises(errors.BzrError,
1237
 
            state.add, '.', 'ass-id', 'directory', None, None)
1238
 
        self.assertRaises(errors.BzrError,
1239
 
            state.add, '..', 'ass-id', 'directory', None, None)
1240
 
 
1241
 
 
1242
 
class TestGetLines(TestCaseWithDirState):
1243
 
 
1244
 
    def test_get_line_with_2_rows(self):
1245
 
        state = self.create_dirstate_with_root_and_subdir()
1246
 
        try:
1247
 
            self.assertEqual(['#bazaar dirstate flat format 3\n',
1248
 
                'crc32: 41262208\n',
1249
 
                'num_entries: 2\n',
1250
 
                '0\x00\n\x00'
1251
 
                '0\x00\n\x00'
1252
 
                '\x00\x00a-root-value\x00'
1253
 
                'd\x00\x000\x00n\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk\x00\n\x00'
1254
 
                '\x00subdir\x00subdir-id\x00'
1255
 
                'd\x00\x000\x00n\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk\x00\n\x00'
1256
 
                ], state.get_lines())
1257
 
        finally:
1258
 
            state.unlock()
1259
 
 
1260
 
    def test_entry_to_line(self):
1261
 
        state = self.create_dirstate_with_root()
1262
 
        try:
1263
 
            self.assertEqual(
1264
 
                '\x00\x00a-root-value\x00d\x00\x000\x00n'
1265
 
                '\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk',
1266
 
                state._entry_to_line(state._dirblocks[0][1][0]))
1267
 
        finally:
1268
 
            state.unlock()
1269
 
 
1270
 
    def test_entry_to_line_with_parent(self):
1271
 
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
1272
 
        root_entry = ('', '', 'a-root-value'), [
1273
 
            ('d', '', 0, False, packed_stat), # current tree details
1274
 
             # first: a pointer to the current location
1275
 
            ('a', 'dirname/basename', 0, False, ''),
1276
 
            ]
1277
 
        state = dirstate.DirState.initialize('dirstate')
1278
 
        try:
1279
 
            self.assertEqual(
1280
 
                '\x00\x00a-root-value\x00'
1281
 
                'd\x00\x000\x00n\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk\x00'
1282
 
                'a\x00dirname/basename\x000\x00n\x00',
1283
 
                state._entry_to_line(root_entry))
1284
 
        finally:
1285
 
            state.unlock()
1286
 
 
1287
 
    def test_entry_to_line_with_two_parents_at_different_paths(self):
1288
 
        # / in the tree, at / in one parent and /dirname/basename in the other.
1289
 
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
1290
 
        root_entry = ('', '', 'a-root-value'), [
1291
 
            ('d', '', 0, False, packed_stat), # current tree details
1292
 
            ('d', '', 0, False, 'rev_id'), # first parent details
1293
 
             # second: a pointer to the current location
1294
 
            ('a', 'dirname/basename', 0, False, ''),
1295
 
            ]
1296
 
        state = dirstate.DirState.initialize('dirstate')
1297
 
        try:
1298
 
            self.assertEqual(
1299
 
                '\x00\x00a-root-value\x00'
1300
 
                'd\x00\x000\x00n\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk\x00'
1301
 
                'd\x00\x000\x00n\x00rev_id\x00'
1302
 
                'a\x00dirname/basename\x000\x00n\x00',
1303
 
                state._entry_to_line(root_entry))
1304
 
        finally:
1305
 
            state.unlock()
1306
 
 
1307
 
    def test_iter_entries(self):
1308
 
        # we should be able to iterate the dirstate entries from end to end
1309
 
        # this is for get_lines to be easy to read.
1310
 
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
1311
 
        dirblocks = []
1312
 
        root_entries = [(('', '', 'a-root-value'), [
1313
 
            ('d', '', 0, False, packed_stat), # current tree details
1314
 
            ])]
1315
 
        dirblocks.append(('', root_entries))
1316
 
        # add two files in the root
1317
 
        subdir_entry = ('', 'subdir', 'subdir-id'), [
1318
 
            ('d', '', 0, False, packed_stat), # current tree details
1319
 
            ]
1320
 
        afile_entry = ('', 'afile', 'afile-id'), [
1321
 
            ('f', 'sha1value', 34, False, packed_stat), # current tree details
1322
 
            ]
1323
 
        dirblocks.append(('', [subdir_entry, afile_entry]))
1324
 
        # and one in subdir
1325
 
        file_entry2 = ('subdir', '2file', '2file-id'), [
1326
 
            ('f', 'sha1value', 23, False, packed_stat), # current tree details
1327
 
            ]
1328
 
        dirblocks.append(('subdir', [file_entry2]))
1329
 
        state = dirstate.DirState.initialize('dirstate')
1330
 
        try:
1331
 
            state._set_data([], dirblocks)
1332
 
            expected_entries = [root_entries[0], subdir_entry, afile_entry,
1333
 
                                file_entry2]
1334
 
            self.assertEqual(expected_entries, list(state._iter_entries()))
1335
 
        finally:
1336
 
            state.unlock()
1337
 
 
1338
 
 
1339
 
class TestGetBlockRowIndex(TestCaseWithDirState):
1340
 
 
1341
 
    def assertBlockRowIndexEqual(self, block_index, row_index, dir_present,
1342
 
        file_present, state, dirname, basename, tree_index):
1343
 
        self.assertEqual((block_index, row_index, dir_present, file_present),
1344
 
            state._get_block_entry_index(dirname, basename, tree_index))
1345
 
        if dir_present:
1346
 
            block = state._dirblocks[block_index]
1347
 
            self.assertEqual(dirname, block[0])
1348
 
        if dir_present and file_present:
1349
 
            row = state._dirblocks[block_index][1][row_index]
1350
 
            self.assertEqual(dirname, row[0][0])
1351
 
            self.assertEqual(basename, row[0][1])
1352
 
 
1353
 
    def test_simple_structure(self):
1354
 
        state = self.create_dirstate_with_root_and_subdir()
1355
 
        self.addCleanup(state.unlock)
1356
 
        self.assertBlockRowIndexEqual(1, 0, True, True, state, '', 'subdir', 0)
1357
 
        self.assertBlockRowIndexEqual(1, 0, True, False, state, '', 'bdir', 0)
1358
 
        self.assertBlockRowIndexEqual(1, 1, True, False, state, '', 'zdir', 0)
1359
 
        self.assertBlockRowIndexEqual(2, 0, False, False, state, 'a', 'foo', 0)
1360
 
        self.assertBlockRowIndexEqual(2, 0, False, False, state,
1361
 
                                      'subdir', 'foo', 0)
1362
 
 
1363
 
    def test_complex_structure_exists(self):
1364
 
        state = self.create_complex_dirstate()
1365
 
        self.addCleanup(state.unlock)
1366
 
        # Make sure we can find everything that exists
1367
 
        self.assertBlockRowIndexEqual(0, 0, True, True, state, '', '', 0)
1368
 
        self.assertBlockRowIndexEqual(1, 0, True, True, state, '', 'a', 0)
1369
 
        self.assertBlockRowIndexEqual(1, 1, True, True, state, '', 'b', 0)
1370
 
        self.assertBlockRowIndexEqual(1, 2, True, True, state, '', 'c', 0)
1371
 
        self.assertBlockRowIndexEqual(1, 3, True, True, state, '', 'd', 0)
1372
 
        self.assertBlockRowIndexEqual(2, 0, True, True, state, 'a', 'e', 0)
1373
 
        self.assertBlockRowIndexEqual(2, 1, True, True, state, 'a', 'f', 0)
1374
 
        self.assertBlockRowIndexEqual(3, 0, True, True, state, 'b', 'g', 0)
1375
 
        self.assertBlockRowIndexEqual(3, 1, True, True, state,
1376
 
                                      'b', 'h\xc3\xa5', 0)
1377
 
 
1378
 
    def test_complex_structure_missing(self):
1379
 
        state = self.create_complex_dirstate()
1380
 
        self.addCleanup(state.unlock)
1381
 
        # Make sure things would be inserted in the right locations
1382
 
        # '_' comes before 'a'
1383
 
        self.assertBlockRowIndexEqual(0, 0, True, True, state, '', '', 0)
1384
 
        self.assertBlockRowIndexEqual(1, 0, True, False, state, '', '_', 0)
1385
 
        self.assertBlockRowIndexEqual(1, 1, True, False, state, '', 'aa', 0)
1386
 
        self.assertBlockRowIndexEqual(1, 4, True, False, state,
1387
 
                                      '', 'h\xc3\xa5', 0)
1388
 
        self.assertBlockRowIndexEqual(2, 0, False, False, state, '_', 'a', 0)
1389
 
        self.assertBlockRowIndexEqual(3, 0, False, False, state, 'aa', 'a', 0)
1390
 
        self.assertBlockRowIndexEqual(4, 0, False, False, state, 'bb', 'a', 0)
1391
 
        # This would be inserted between a/ and b/
1392
 
        self.assertBlockRowIndexEqual(3, 0, False, False, state, 'a/e', 'a', 0)
1393
 
        # Put at the end
1394
 
        self.assertBlockRowIndexEqual(4, 0, False, False, state, 'e', 'a', 0)
1395
 
 
1396
 
 
1397
 
class TestGetEntry(TestCaseWithDirState):
1398
 
 
1399
 
    def assertEntryEqual(self, dirname, basename, file_id, state, path, index):
1400
 
        """Check that the right entry is returned for a request to getEntry."""
1401
 
        entry = state._get_entry(index, path_utf8=path)
1402
 
        if file_id is None:
1403
 
            self.assertEqual((None, None), entry)
1404
 
        else:
1405
 
            cur = entry[0]
1406
 
            self.assertEqual((dirname, basename, file_id), cur[:3])
1407
 
 
1408
 
    def test_simple_structure(self):
1409
 
        state = self.create_dirstate_with_root_and_subdir()
1410
 
        self.addCleanup(state.unlock)
1411
 
        self.assertEntryEqual('', '', 'a-root-value', state, '', 0)
1412
 
        self.assertEntryEqual('', 'subdir', 'subdir-id', state, 'subdir', 0)
1413
 
        self.assertEntryEqual(None, None, None, state, 'missing', 0)
1414
 
        self.assertEntryEqual(None, None, None, state, 'missing/foo', 0)
1415
 
        self.assertEntryEqual(None, None, None, state, 'subdir/foo', 0)
1416
 
 
1417
 
    def test_complex_structure_exists(self):
1418
 
        state = self.create_complex_dirstate()
1419
 
        self.addCleanup(state.unlock)
1420
 
        self.assertEntryEqual('', '', 'a-root-value', state, '', 0)
1421
 
        self.assertEntryEqual('', 'a', 'a-dir', state, 'a', 0)
1422
 
        self.assertEntryEqual('', 'b', 'b-dir', state, 'b', 0)
1423
 
        self.assertEntryEqual('', 'c', 'c-file', state, 'c', 0)
1424
 
        self.assertEntryEqual('', 'd', 'd-file', state, 'd', 0)
1425
 
        self.assertEntryEqual('a', 'e', 'e-dir', state, 'a/e', 0)
1426
 
        self.assertEntryEqual('a', 'f', 'f-file', state, 'a/f', 0)
1427
 
        self.assertEntryEqual('b', 'g', 'g-file', state, 'b/g', 0)
1428
 
        self.assertEntryEqual('b', 'h\xc3\xa5', 'h-\xc3\xa5-file', state,
1429
 
                              'b/h\xc3\xa5', 0)
1430
 
 
1431
 
    def test_complex_structure_missing(self):
1432
 
        state = self.create_complex_dirstate()
1433
 
        self.addCleanup(state.unlock)
1434
 
        self.assertEntryEqual(None, None, None, state, '_', 0)
1435
 
        self.assertEntryEqual(None, None, None, state, '_\xc3\xa5', 0)
1436
 
        self.assertEntryEqual(None, None, None, state, 'a/b', 0)
1437
 
        self.assertEntryEqual(None, None, None, state, 'c/d', 0)
1438
 
 
1439
 
    def test_get_entry_uninitialized(self):
1440
 
        """Calling get_entry will load data if it needs to"""
1441
 
        state = self.create_dirstate_with_root()
1442
 
        try:
1443
 
            state.save()
1444
 
        finally:
1445
 
            state.unlock()
1446
 
        del state
1447
 
        state = dirstate.DirState.on_file('dirstate')
1448
 
        state.lock_read()
1449
 
        try:
1450
 
            self.assertEqual(dirstate.DirState.NOT_IN_MEMORY,
1451
 
                             state._header_state)
1452
 
            self.assertEqual(dirstate.DirState.NOT_IN_MEMORY,
1453
 
                             state._dirblock_state)
1454
 
            self.assertEntryEqual('', '', 'a-root-value', state, '', 0)
1455
 
        finally:
1456
 
            state.unlock()
1457
 
 
1458
 
 
1459
 
class TestIterChildEntries(TestCaseWithDirState):
1460
 
 
1461
 
    def create_dirstate_with_two_trees(self):
1462
 
        """This dirstate contains multiple files and directories.
1463
 
 
1464
 
         /        a-root-value
1465
 
         a/       a-dir
1466
 
         b/       b-dir
1467
 
         c        c-file
1468
 
         d        d-file
1469
 
         a/e/     e-dir
1470
 
         a/f      f-file
1471
 
         b/g      g-file
1472
 
         b/h\xc3\xa5  h-\xc3\xa5-file  #This is u'\xe5' encoded into utf-8
1473
 
 
1474
 
        Notice that a/e is an empty directory.
1475
 
 
1476
 
        There is one parent tree, which has the same shape with the following variations:
1477
 
        b/g in the parent is gone.
1478
 
        b/h in the parent has a different id
1479
 
        b/i is new in the parent
1480
 
        c is renamed to b/j in the parent
1481
 
 
1482
 
        :return: The dirstate, still write-locked.
1483
 
        """
1484
 
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
1485
 
        null_sha = 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'
1486
 
        NULL_PARENT_DETAILS = dirstate.DirState.NULL_PARENT_DETAILS
1487
 
        root_entry = ('', '', 'a-root-value'), [
1488
 
            ('d', '', 0, False, packed_stat),
1489
 
            ('d', '', 0, False, 'parent-revid'),
1490
 
            ]
1491
 
        a_entry = ('', 'a', 'a-dir'), [
1492
 
            ('d', '', 0, False, packed_stat),
1493
 
            ('d', '', 0, False, 'parent-revid'),
1494
 
            ]
1495
 
        b_entry = ('', 'b', 'b-dir'), [
1496
 
            ('d', '', 0, False, packed_stat),
1497
 
            ('d', '', 0, False, 'parent-revid'),
1498
 
            ]
1499
 
        c_entry = ('', 'c', 'c-file'), [
1500
 
            ('f', null_sha, 10, False, packed_stat),
1501
 
            ('r', 'b/j', 0, False, ''),
1502
 
            ]
1503
 
        d_entry = ('', 'd', 'd-file'), [
1504
 
            ('f', null_sha, 20, False, packed_stat),
1505
 
            ('f', 'd', 20, False, 'parent-revid'),
1506
 
            ]
1507
 
        e_entry = ('a', 'e', 'e-dir'), [
1508
 
            ('d', '', 0, False, packed_stat),
1509
 
            ('d', '', 0, False, 'parent-revid'),
1510
 
            ]
1511
 
        f_entry = ('a', 'f', 'f-file'), [
1512
 
            ('f', null_sha, 30, False, packed_stat),
1513
 
            ('f', 'f', 20, False, 'parent-revid'),
1514
 
            ]
1515
 
        g_entry = ('b', 'g', 'g-file'), [
1516
 
            ('f', null_sha, 30, False, packed_stat),
1517
 
            NULL_PARENT_DETAILS,
1518
 
            ]
1519
 
        h_entry1 = ('b', 'h\xc3\xa5', 'h-\xc3\xa5-file1'), [
1520
 
            ('f', null_sha, 40, False, packed_stat),
1521
 
            NULL_PARENT_DETAILS,
1522
 
            ]
1523
 
        h_entry2 = ('b', 'h\xc3\xa5', 'h-\xc3\xa5-file2'), [
1524
 
            NULL_PARENT_DETAILS,
1525
 
            ('f', 'h', 20, False, 'parent-revid'),
1526
 
            ]
1527
 
        i_entry = ('b', 'i', 'i-file'), [
1528
 
            NULL_PARENT_DETAILS,
1529
 
            ('f', 'h', 20, False, 'parent-revid'),
1530
 
            ]
1531
 
        j_entry = ('b', 'j', 'c-file'), [
1532
 
            ('r', 'c', 0, False, ''),
1533
 
            ('f', 'j', 20, False, 'parent-revid'),
1534
 
            ]
1535
 
        dirblocks = []
1536
 
        dirblocks.append(('', [root_entry]))
1537
 
        dirblocks.append(('', [a_entry, b_entry, c_entry, d_entry]))
1538
 
        dirblocks.append(('a', [e_entry, f_entry]))
1539
 
        dirblocks.append(('b', [g_entry, h_entry1, h_entry2, i_entry, j_entry]))
1540
 
        state = dirstate.DirState.initialize('dirstate')
1541
 
        state._validate()
1542
 
        try:
1543
 
            state._set_data(['parent'], dirblocks)
1544
 
        except:
1545
 
            state.unlock()
1546
 
            raise
1547
 
        return state, dirblocks
1548
 
 
1549
 
    def test_iter_children_b(self):
1550
 
        state, dirblocks = self.create_dirstate_with_two_trees()
1551
 
        self.addCleanup(state.unlock)
1552
 
        expected_result = []
1553
 
        expected_result.append(dirblocks[3][1][2]) # h2
1554
 
        expected_result.append(dirblocks[3][1][3]) # i
1555
 
        expected_result.append(dirblocks[3][1][4]) # j
1556
 
        self.assertEqual(expected_result,
1557
 
            list(state._iter_child_entries(1, 'b')))
1558
 
 
1559
 
    def test_iter_child_root(self):
1560
 
        state, dirblocks = self.create_dirstate_with_two_trees()
1561
 
        self.addCleanup(state.unlock)
1562
 
        expected_result = []
1563
 
        expected_result.append(dirblocks[1][1][0]) # a
1564
 
        expected_result.append(dirblocks[1][1][1]) # b
1565
 
        expected_result.append(dirblocks[1][1][3]) # d
1566
 
        expected_result.append(dirblocks[2][1][0]) # e
1567
 
        expected_result.append(dirblocks[2][1][1]) # f
1568
 
        expected_result.append(dirblocks[3][1][2]) # h2
1569
 
        expected_result.append(dirblocks[3][1][3]) # i
1570
 
        expected_result.append(dirblocks[3][1][4]) # j
1571
 
        self.assertEqual(expected_result,
1572
 
            list(state._iter_child_entries(1, '')))
1573
 
 
1574
 
 
1575
 
class TestDirstateSortOrder(tests.TestCaseWithTransport):
1576
 
    """Test that DirState adds entries in the right order."""
1577
 
 
1578
 
    def test_add_sorting(self):
1579
 
        """Add entries in lexicographical order, we get path sorted order.
1580
 
 
1581
 
        This tests it to a depth of 4, to make sure we don't just get it right
1582
 
        at a single depth. 'a/a' should come before 'a-a', even though it
1583
 
        doesn't lexicographically.
1584
 
        """
1585
 
        dirs = ['a', 'a/a', 'a/a/a', 'a/a/a/a',
1586
 
                'a-a', 'a/a-a', 'a/a/a-a', 'a/a/a/a-a',
1587
 
               ]
1588
 
        null_sha = ''
1589
 
        state = dirstate.DirState.initialize('dirstate')
1590
 
        self.addCleanup(state.unlock)
1591
 
 
1592
 
        fake_stat = os.stat('dirstate')
1593
 
        for d in dirs:
1594
 
            d_id = d.replace('/', '_')+'-id'
1595
 
            file_path = d + '/f'
1596
 
            file_id = file_path.replace('/', '_')+'-id'
1597
 
            state.add(d, d_id, 'directory', fake_stat, null_sha)
1598
 
            state.add(file_path, file_id, 'file', fake_stat, null_sha)
1599
 
 
1600
 
        expected = ['', '', 'a',
1601
 
                'a/a', 'a/a/a', 'a/a/a/a',
1602
 
                'a/a/a/a-a', 'a/a/a-a', 'a/a-a', 'a-a',
1603
 
               ]
1604
 
        split = lambda p:p.split('/')
1605
 
        self.assertEqual(sorted(expected, key=split), expected)
1606
 
        dirblock_names = [d[0] for d in state._dirblocks]
1607
 
        self.assertEqual(expected, dirblock_names)
1608
 
 
1609
 
    def test_set_parent_trees_correct_order(self):
1610
 
        """After calling set_parent_trees() we should maintain the order."""
1611
 
        dirs = ['a', 'a-a', 'a/a']
1612
 
        null_sha = ''
1613
 
        state = dirstate.DirState.initialize('dirstate')
1614
 
        self.addCleanup(state.unlock)
1615
 
 
1616
 
        fake_stat = os.stat('dirstate')
1617
 
        for d in dirs:
1618
 
            d_id = d.replace('/', '_')+'-id'
1619
 
            file_path = d + '/f'
1620
 
            file_id = file_path.replace('/', '_')+'-id'
1621
 
            state.add(d, d_id, 'directory', fake_stat, null_sha)
1622
 
            state.add(file_path, file_id, 'file', fake_stat, null_sha)
1623
 
 
1624
 
        expected = ['', '', 'a', 'a/a', 'a-a']
1625
 
        dirblock_names = [d[0] for d in state._dirblocks]
1626
 
        self.assertEqual(expected, dirblock_names)
1627
 
 
1628
 
        # *really* cheesy way to just get an empty tree
1629
 
        repo = self.make_repository('repo')
1630
 
        empty_tree = repo.revision_tree(_mod_revision.NULL_REVISION)
1631
 
        state.set_parent_trees([('null:', empty_tree)], [])
1632
 
 
1633
 
        dirblock_names = [d[0] for d in state._dirblocks]
1634
 
        self.assertEqual(expected, dirblock_names)
1635
 
 
1636
 
 
1637
 
class InstrumentedDirState(dirstate.DirState):
1638
 
    """An DirState with instrumented sha1 functionality."""
1639
 
 
1640
 
    def __init__(self, path, sha1_provider):
1641
 
        super(InstrumentedDirState, self).__init__(path, sha1_provider)
1642
 
        self._time_offset = 0
1643
 
        self._log = []
1644
 
        # member is dynamically set in DirState.__init__ to turn on trace
1645
 
        self._sha1_provider = sha1_provider
1646
 
        self._sha1_file = self._sha1_file_and_log
1647
 
 
1648
 
    def _sha_cutoff_time(self):
1649
 
        timestamp = super(InstrumentedDirState, self)._sha_cutoff_time()
1650
 
        self._cutoff_time = timestamp + self._time_offset
1651
 
 
1652
 
    def _sha1_file_and_log(self, abspath):
1653
 
        self._log.append(('sha1', abspath))
1654
 
        return self._sha1_provider.sha1(abspath)
1655
 
 
1656
 
    def _read_link(self, abspath, old_link):
1657
 
        self._log.append(('read_link', abspath, old_link))
1658
 
        return super(InstrumentedDirState, self)._read_link(abspath, old_link)
1659
 
 
1660
 
    def _lstat(self, abspath, entry):
1661
 
        self._log.append(('lstat', abspath))
1662
 
        return super(InstrumentedDirState, self)._lstat(abspath, entry)
1663
 
 
1664
 
    def _is_executable(self, mode, old_executable):
1665
 
        self._log.append(('is_exec', mode, old_executable))
1666
 
        return super(InstrumentedDirState, self)._is_executable(mode,
1667
 
                                                                old_executable)
1668
 
 
1669
 
    def adjust_time(self, secs):
1670
 
        """Move the clock forward or back.
1671
 
 
1672
 
        :param secs: The amount to adjust the clock by. Positive values make it
1673
 
        seem as if we are in the future, negative values make it seem like we
1674
 
        are in the past.
1675
 
        """
1676
 
        self._time_offset += secs
1677
 
        self._cutoff_time = None
1678
 
 
1679
 
 
1680
 
class _FakeStat(object):
1681
 
    """A class with the same attributes as a real stat result."""
1682
 
 
1683
 
    def __init__(self, size, mtime, ctime, dev, ino, mode):
1684
 
        self.st_size = size
1685
 
        self.st_mtime = mtime
1686
 
        self.st_ctime = ctime
1687
 
        self.st_dev = dev
1688
 
        self.st_ino = ino
1689
 
        self.st_mode = mode
1690
 
 
1691
 
    @staticmethod
1692
 
    def from_stat(st):
1693
 
        return _FakeStat(st.st_size, st.st_mtime, st.st_ctime, st.st_dev,
1694
 
            st.st_ino, st.st_mode)
1695
 
 
1696
 
 
1697
 
class TestPackStat(tests.TestCaseWithTransport):
1698
 
 
1699
 
    def assertPackStat(self, expected, stat_value):
1700
 
        """Check the packed and serialized form of a stat value."""
1701
 
        self.assertEqual(expected, dirstate.pack_stat(stat_value))
1702
 
 
1703
 
    def test_pack_stat_int(self):
1704
 
        st = _FakeStat(6859L, 1172758614, 1172758617, 777L, 6499538L, 0100644)
1705
 
        # Make sure that all parameters have an impact on the packed stat.
1706
 
        self.assertPackStat('AAAay0Xm4FZF5uBZAAADCQBjLNIAAIGk', st)
1707
 
        st.st_size = 7000L
1708
 
        #                ay0 => bWE
1709
 
        self.assertPackStat('AAAbWEXm4FZF5uBZAAADCQBjLNIAAIGk', st)
1710
 
        st.st_mtime = 1172758620
1711
 
        #                     4FZ => 4Fx
1712
 
        self.assertPackStat('AAAbWEXm4FxF5uBZAAADCQBjLNIAAIGk', st)
1713
 
        st.st_ctime = 1172758630
1714
 
        #                          uBZ => uBm
1715
 
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADCQBjLNIAAIGk', st)
1716
 
        st.st_dev = 888L
1717
 
        #                                DCQ => DeA
1718
 
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADeABjLNIAAIGk', st)
1719
 
        st.st_ino = 6499540L
1720
 
        #                                     LNI => LNQ
1721
 
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADeABjLNQAAIGk', st)
1722
 
        st.st_mode = 0100744
1723
 
        #                                          IGk => IHk
1724
 
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADeABjLNQAAIHk', st)
1725
 
 
1726
 
    def test_pack_stat_float(self):
1727
 
        """On some platforms mtime and ctime are floats.
1728
 
 
1729
 
        Make sure we don't get warnings or errors, and that we ignore changes <
1730
 
        1s
1731
 
        """
1732
 
        st = _FakeStat(7000L, 1172758614.0, 1172758617.0,
1733
 
                       777L, 6499538L, 0100644)
1734
 
        # These should all be the same as the integer counterparts
1735
 
        self.assertPackStat('AAAbWEXm4FZF5uBZAAADCQBjLNIAAIGk', st)
1736
 
        st.st_mtime = 1172758620.0
1737
 
        #                     FZF5 => FxF5
1738
 
        self.assertPackStat('AAAbWEXm4FxF5uBZAAADCQBjLNIAAIGk', st)
1739
 
        st.st_ctime = 1172758630.0
1740
 
        #                          uBZ => uBm
1741
 
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADCQBjLNIAAIGk', st)
1742
 
        # fractional seconds are discarded, so no change from above
1743
 
        st.st_mtime = 1172758620.453
1744
 
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADCQBjLNIAAIGk', st)
1745
 
        st.st_ctime = 1172758630.228
1746
 
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADCQBjLNIAAIGk', st)
1747
 
 
1748
 
 
1749
 
class TestBisect(TestCaseWithDirState):
1750
 
    """Test the ability to bisect into the disk format."""
1751
 
 
1752
 
    def assertBisect(self, expected_map, map_keys, state, paths):
1753
 
        """Assert that bisecting for paths returns the right result.
1754
 
 
1755
 
        :param expected_map: A map from key => entry value
1756
 
        :param map_keys: The keys to expect for each path
1757
 
        :param state: The DirState object.
1758
 
        :param paths: A list of paths, these will automatically be split into
1759
 
                      (dir, name) tuples, and sorted according to how _bisect
1760
 
                      requires.
1761
 
        """
1762
 
        result = state._bisect(paths)
1763
 
        # For now, results are just returned in whatever order we read them.
1764
 
        # We could sort by (dir, name, file_id) or something like that, but in
1765
 
        # the end it would still be fairly arbitrary, and we don't want the
1766
 
        # extra overhead if we can avoid it. So sort everything to make sure
1767
 
        # equality is true
1768
 
        self.assertEqual(len(map_keys), len(paths))
1769
 
        expected = {}
1770
 
        for path, keys in zip(paths, map_keys):
1771
 
            if keys is None:
1772
 
                # This should not be present in the output
1773
 
                continue
1774
 
            expected[path] = sorted(expected_map[k] for k in keys)
1775
 
 
1776
 
        # The returned values are just arranged randomly based on when they
1777
 
        # were read, for testing, make sure it is properly sorted.
1778
 
        for path in result:
1779
 
            result[path].sort()
1780
 
 
1781
 
        self.assertEqual(expected, result)
1782
 
 
1783
 
    def assertBisectDirBlocks(self, expected_map, map_keys, state, paths):
1784
 
        """Assert that bisecting for dirbblocks returns the right result.
1785
 
 
1786
 
        :param expected_map: A map from key => expected values
1787
 
        :param map_keys: A nested list of paths we expect to be returned.
1788
 
            Something like [['a', 'b', 'f'], ['b/c', 'b/d']]
1789
 
        :param state: The DirState object.
1790
 
        :param paths: A list of directories
1791
 
        """
1792
 
        result = state._bisect_dirblocks(paths)
1793
 
        self.assertEqual(len(map_keys), len(paths))
1794
 
        expected = {}
1795
 
        for path, keys in zip(paths, map_keys):
1796
 
            if keys is None:
1797
 
                # This should not be present in the output
1798
 
                continue
1799
 
            expected[path] = sorted(expected_map[k] for k in keys)
1800
 
        for path in result:
1801
 
            result[path].sort()
1802
 
 
1803
 
        self.assertEqual(expected, result)
1804
 
 
1805
 
    def assertBisectRecursive(self, expected_map, map_keys, state, paths):
1806
 
        """Assert the return value of a recursive bisection.
1807
 
 
1808
 
        :param expected_map: A map from key => entry value
1809
 
        :param map_keys: A list of paths we expect to be returned.
1810
 
            Something like ['a', 'b', 'f', 'b/d', 'b/d2']
1811
 
        :param state: The DirState object.
1812
 
        :param paths: A list of files and directories. It will be broken up
1813
 
            into (dir, name) pairs and sorted before calling _bisect_recursive.
1814
 
        """
1815
 
        expected = {}
1816
 
        for key in map_keys:
1817
 
            entry = expected_map[key]
1818
 
            dir_name_id, trees_info = entry
1819
 
            expected[dir_name_id] = trees_info
1820
 
 
1821
 
        result = state._bisect_recursive(paths)
1822
 
 
1823
 
        self.assertEqual(expected, result)
1824
 
 
1825
 
    def test_bisect_each(self):
1826
 
        """Find a single record using bisect."""
1827
 
        tree, state, expected = self.create_basic_dirstate()
1828
 
 
1829
 
        # Bisect should return the rows for the specified files.
1830
 
        self.assertBisect(expected, [['']], state, [''])
1831
 
        self.assertBisect(expected, [['a']], state, ['a'])
1832
 
        self.assertBisect(expected, [['b']], state, ['b'])
1833
 
        self.assertBisect(expected, [['b/c']], state, ['b/c'])
1834
 
        self.assertBisect(expected, [['b/d']], state, ['b/d'])
1835
 
        self.assertBisect(expected, [['b/d/e']], state, ['b/d/e'])
1836
 
        self.assertBisect(expected, [['b-c']], state, ['b-c'])
1837
 
        self.assertBisect(expected, [['f']], state, ['f'])
1838
 
 
1839
 
    def test_bisect_multi(self):
1840
 
        """Bisect can be used to find multiple records at the same time."""
1841
 
        tree, state, expected = self.create_basic_dirstate()
1842
 
        # Bisect should be capable of finding multiple entries at the same time
1843
 
        self.assertBisect(expected, [['a'], ['b'], ['f']],
1844
 
                          state, ['a', 'b', 'f'])
1845
 
        self.assertBisect(expected, [['f'], ['b/d'], ['b/d/e']],
1846
 
                          state, ['f', 'b/d', 'b/d/e'])
1847
 
        self.assertBisect(expected, [['b'], ['b-c'], ['b/c']],
1848
 
                          state, ['b', 'b-c', 'b/c'])
1849
 
 
1850
 
    def test_bisect_one_page(self):
1851
 
        """Test bisect when there is only 1 page to read"""
1852
 
        tree, state, expected = self.create_basic_dirstate()
1853
 
        state._bisect_page_size = 5000
1854
 
        self.assertBisect(expected,[['']], state, [''])
1855
 
        self.assertBisect(expected,[['a']], state, ['a'])
1856
 
        self.assertBisect(expected,[['b']], state, ['b'])
1857
 
        self.assertBisect(expected,[['b/c']], state, ['b/c'])
1858
 
        self.assertBisect(expected,[['b/d']], state, ['b/d'])
1859
 
        self.assertBisect(expected,[['b/d/e']], state, ['b/d/e'])
1860
 
        self.assertBisect(expected,[['b-c']], state, ['b-c'])
1861
 
        self.assertBisect(expected,[['f']], state, ['f'])
1862
 
        self.assertBisect(expected,[['a'], ['b'], ['f']],
1863
 
                          state, ['a', 'b', 'f'])
1864
 
        self.assertBisect(expected, [['b/d'], ['b/d/e'], ['f']],
1865
 
                          state, ['b/d', 'b/d/e', 'f'])
1866
 
        self.assertBisect(expected, [['b'], ['b/c'], ['b-c']],
1867
 
                          state, ['b', 'b/c', 'b-c'])
1868
 
 
1869
 
    def test_bisect_duplicate_paths(self):
1870
 
        """When bisecting for a path, handle multiple entries."""
1871
 
        tree, state, expected = self.create_duplicated_dirstate()
1872
 
 
1873
 
        # Now make sure that both records are properly returned.
1874
 
        self.assertBisect(expected, [['']], state, [''])
1875
 
        self.assertBisect(expected, [['a', 'a2']], state, ['a'])
1876
 
        self.assertBisect(expected, [['b', 'b2']], state, ['b'])
1877
 
        self.assertBisect(expected, [['b/c', 'b/c2']], state, ['b/c'])
1878
 
        self.assertBisect(expected, [['b/d', 'b/d2']], state, ['b/d'])
1879
 
        self.assertBisect(expected, [['b/d/e', 'b/d/e2']],
1880
 
                          state, ['b/d/e'])
1881
 
        self.assertBisect(expected, [['b-c', 'b-c2']], state, ['b-c'])
1882
 
        self.assertBisect(expected, [['f', 'f2']], state, ['f'])
1883
 
 
1884
 
    def test_bisect_page_size_too_small(self):
1885
 
        """If the page size is too small, we will auto increase it."""
1886
 
        tree, state, expected = self.create_basic_dirstate()
1887
 
        state._bisect_page_size = 50
1888
 
        self.assertBisect(expected, [None], state, ['b/e'])
1889
 
        self.assertBisect(expected, [['a']], state, ['a'])
1890
 
        self.assertBisect(expected, [['b']], state, ['b'])
1891
 
        self.assertBisect(expected, [['b/c']], state, ['b/c'])
1892
 
        self.assertBisect(expected, [['b/d']], state, ['b/d'])
1893
 
        self.assertBisect(expected, [['b/d/e']], state, ['b/d/e'])
1894
 
        self.assertBisect(expected, [['b-c']], state, ['b-c'])
1895
 
        self.assertBisect(expected, [['f']], state, ['f'])
1896
 
 
1897
 
    def test_bisect_missing(self):
1898
 
        """Test that bisect return None if it cannot find a path."""
1899
 
        tree, state, expected = self.create_basic_dirstate()
1900
 
        self.assertBisect(expected, [None], state, ['foo'])
1901
 
        self.assertBisect(expected, [None], state, ['b/foo'])
1902
 
        self.assertBisect(expected, [None], state, ['bar/foo'])
1903
 
        self.assertBisect(expected, [None], state, ['b-c/foo'])
1904
 
 
1905
 
        self.assertBisect(expected, [['a'], None, ['b/d']],
1906
 
                          state, ['a', 'foo', 'b/d'])
1907
 
 
1908
 
    def test_bisect_rename(self):
1909
 
        """Check that we find a renamed row."""
1910
 
        tree, state, expected = self.create_renamed_dirstate()
1911
 
 
1912
 
        # Search for the pre and post renamed entries
1913
 
        self.assertBisect(expected, [['a']], state, ['a'])
1914
 
        self.assertBisect(expected, [['b/g']], state, ['b/g'])
1915
 
        self.assertBisect(expected, [['b/d']], state, ['b/d'])
1916
 
        self.assertBisect(expected, [['h']], state, ['h'])
1917
 
 
1918
 
        # What about b/d/e? shouldn't that also get 2 directory entries?
1919
 
        self.assertBisect(expected, [['b/d/e']], state, ['b/d/e'])
1920
 
        self.assertBisect(expected, [['h/e']], state, ['h/e'])
1921
 
 
1922
 
    def test_bisect_dirblocks(self):
1923
 
        tree, state, expected = self.create_duplicated_dirstate()
1924
 
        self.assertBisectDirBlocks(expected,
1925
 
            [['', 'a', 'a2', 'b', 'b2', 'b-c', 'b-c2', 'f', 'f2']],
1926
 
            state, [''])
1927
 
        self.assertBisectDirBlocks(expected,
1928
 
            [['b/c', 'b/c2', 'b/d', 'b/d2']], state, ['b'])
1929
 
        self.assertBisectDirBlocks(expected,
1930
 
            [['b/d/e', 'b/d/e2']], state, ['b/d'])
1931
 
        self.assertBisectDirBlocks(expected,
1932
 
            [['', 'a', 'a2', 'b', 'b2', 'b-c', 'b-c2', 'f', 'f2'],
1933
 
             ['b/c', 'b/c2', 'b/d', 'b/d2'],
1934
 
             ['b/d/e', 'b/d/e2'],
1935
 
            ], state, ['', 'b', 'b/d'])
1936
 
 
1937
 
    def test_bisect_dirblocks_missing(self):
1938
 
        tree, state, expected = self.create_basic_dirstate()
1939
 
        self.assertBisectDirBlocks(expected, [['b/d/e'], None],
1940
 
            state, ['b/d', 'b/e'])
1941
 
        # Files don't show up in this search
1942
 
        self.assertBisectDirBlocks(expected, [None], state, ['a'])
1943
 
        self.assertBisectDirBlocks(expected, [None], state, ['b/c'])
1944
 
        self.assertBisectDirBlocks(expected, [None], state, ['c'])
1945
 
        self.assertBisectDirBlocks(expected, [None], state, ['b/d/e'])
1946
 
        self.assertBisectDirBlocks(expected, [None], state, ['f'])
1947
 
 
1948
 
    def test_bisect_recursive_each(self):
1949
 
        tree, state, expected = self.create_basic_dirstate()
1950
 
        self.assertBisectRecursive(expected, ['a'], state, ['a'])
1951
 
        self.assertBisectRecursive(expected, ['b/c'], state, ['b/c'])
1952
 
        self.assertBisectRecursive(expected, ['b/d/e'], state, ['b/d/e'])
1953
 
        self.assertBisectRecursive(expected, ['b-c'], state, ['b-c'])
1954
 
        self.assertBisectRecursive(expected, ['b/d', 'b/d/e'],
1955
 
                                   state, ['b/d'])
1956
 
        self.assertBisectRecursive(expected, ['b', 'b/c', 'b/d', 'b/d/e'],
1957
 
                                   state, ['b'])
1958
 
        self.assertBisectRecursive(expected, ['', 'a', 'b', 'b-c', 'f', 'b/c',
1959
 
                                              'b/d', 'b/d/e'],
1960
 
                                   state, [''])
1961
 
 
1962
 
    def test_bisect_recursive_multiple(self):
1963
 
        tree, state, expected = self.create_basic_dirstate()
1964
 
        self.assertBisectRecursive(expected, ['a', 'b/c'], state, ['a', 'b/c'])
1965
 
        self.assertBisectRecursive(expected, ['b/d', 'b/d/e'],
1966
 
                                   state, ['b/d', 'b/d/e'])
1967
 
 
1968
 
    def test_bisect_recursive_missing(self):
1969
 
        tree, state, expected = self.create_basic_dirstate()
1970
 
        self.assertBisectRecursive(expected, [], state, ['d'])
1971
 
        self.assertBisectRecursive(expected, [], state, ['b/e'])
1972
 
        self.assertBisectRecursive(expected, [], state, ['g'])
1973
 
        self.assertBisectRecursive(expected, ['a'], state, ['a', 'g'])
1974
 
 
1975
 
    def test_bisect_recursive_renamed(self):
1976
 
        tree, state, expected = self.create_renamed_dirstate()
1977
 
 
1978
 
        # Looking for either renamed item should find the other
1979
 
        self.assertBisectRecursive(expected, ['a', 'b/g'], state, ['a'])
1980
 
        self.assertBisectRecursive(expected, ['a', 'b/g'], state, ['b/g'])
1981
 
        # Looking in the containing directory should find the rename target,
1982
 
        # and anything in a subdir of the renamed target.
1983
 
        self.assertBisectRecursive(expected, ['a', 'b', 'b/c', 'b/d',
1984
 
                                              'b/d/e', 'b/g', 'h', 'h/e'],
1985
 
                                   state, ['b'])
1986
 
 
1987
 
 
1988
 
class TestDirstateValidation(TestCaseWithDirState):
1989
 
 
1990
 
    def test_validate_correct_dirstate(self):
1991
 
        state = self.create_complex_dirstate()
1992
 
        state._validate()
1993
 
        state.unlock()
1994
 
        # and make sure we can also validate with a read lock
1995
 
        state.lock_read()
1996
 
        try:
1997
 
            state._validate()
1998
 
        finally:
1999
 
            state.unlock()
2000
 
 
2001
 
    def test_dirblock_not_sorted(self):
2002
 
        tree, state, expected = self.create_renamed_dirstate()
2003
 
        state._read_dirblocks_if_needed()
2004
 
        last_dirblock = state._dirblocks[-1]
2005
 
        # we're appending to the dirblock, but this name comes before some of
2006
 
        # the existing names; that's wrong
2007
 
        last_dirblock[1].append(
2008
 
            (('h', 'aaaa', 'a-id'),
2009
 
             [('a', '', 0, False, ''),
2010
 
              ('a', '', 0, False, '')]))
2011
 
        e = self.assertRaises(AssertionError,
2012
 
            state._validate)
2013
 
        self.assertContainsRe(str(e), 'not sorted')
2014
 
 
2015
 
    def test_dirblock_name_mismatch(self):
2016
 
        tree, state, expected = self.create_renamed_dirstate()
2017
 
        state._read_dirblocks_if_needed()
2018
 
        last_dirblock = state._dirblocks[-1]
2019
 
        # add an entry with the wrong directory name
2020
 
        last_dirblock[1].append(
2021
 
            (('', 'z', 'a-id'),
2022
 
             [('a', '', 0, False, ''),
2023
 
              ('a', '', 0, False, '')]))
2024
 
        e = self.assertRaises(AssertionError,
2025
 
            state._validate)
2026
 
        self.assertContainsRe(str(e),
2027
 
            "doesn't match directory name")
2028
 
 
2029
 
    def test_dirblock_missing_rename(self):
2030
 
        tree, state, expected = self.create_renamed_dirstate()
2031
 
        state._read_dirblocks_if_needed()
2032
 
        last_dirblock = state._dirblocks[-1]
2033
 
        # make another entry for a-id, without a correct 'r' pointer to
2034
 
        # the real occurrence in the working tree
2035
 
        last_dirblock[1].append(
2036
 
            (('h', 'z', 'a-id'),
2037
 
             [('a', '', 0, False, ''),
2038
 
              ('a', '', 0, False, '')]))
2039
 
        e = self.assertRaises(AssertionError,
2040
 
            state._validate)
2041
 
        self.assertContainsRe(str(e),
2042
 
            'file a-id is absent in row')
2043
 
 
2044
 
 
2045
 
class TestDirstateTreeReference(TestCaseWithDirState):
2046
 
 
2047
 
    def test_reference_revision_is_none(self):
2048
 
        tree = self.make_branch_and_tree('tree', format='dirstate-with-subtree')
2049
 
        subtree = self.make_branch_and_tree('tree/subtree',
2050
 
                            format='dirstate-with-subtree')
2051
 
        subtree.set_root_id('subtree')
2052
 
        tree.add_reference(subtree)
2053
 
        tree.add('subtree')
2054
 
        state = dirstate.DirState.from_tree(tree, 'dirstate')
2055
 
        key = ('', 'subtree', 'subtree')
2056
 
        expected = ('', [(key,
2057
 
            [('t', '', 0, False, 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx')])])
2058
 
 
2059
 
        try:
2060
 
            self.assertEqual(expected, state._find_block(key))
2061
 
        finally:
2062
 
            state.unlock()
2063
 
 
2064
 
 
2065
 
class TestDiscardMergeParents(TestCaseWithDirState):
2066
 
 
2067
 
    def test_discard_no_parents(self):
2068
 
        # This should be a no-op
2069
 
        state = self.create_empty_dirstate()
2070
 
        self.addCleanup(state.unlock)
2071
 
        state._discard_merge_parents()
2072
 
        state._validate()
2073
 
 
2074
 
    def test_discard_one_parent(self):
2075
 
        # No-op
2076
 
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
2077
 
        root_entry_direntry = ('', '', 'a-root-value'), [
2078
 
            ('d', '', 0, False, packed_stat),
2079
 
            ('d', '', 0, False, packed_stat),
2080
 
            ]
2081
 
        dirblocks = []
2082
 
        dirblocks.append(('', [root_entry_direntry]))
2083
 
        dirblocks.append(('', []))
2084
 
 
2085
 
        state = self.create_empty_dirstate()
2086
 
        self.addCleanup(state.unlock)
2087
 
        state._set_data(['parent-id'], dirblocks[:])
2088
 
        state._validate()
2089
 
 
2090
 
        state._discard_merge_parents()
2091
 
        state._validate()
2092
 
        self.assertEqual(dirblocks, state._dirblocks)
2093
 
 
2094
 
    def test_discard_simple(self):
2095
 
        # No-op
2096
 
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
2097
 
        root_entry_direntry = ('', '', 'a-root-value'), [
2098
 
            ('d', '', 0, False, packed_stat),
2099
 
            ('d', '', 0, False, packed_stat),
2100
 
            ('d', '', 0, False, packed_stat),
2101
 
            ]
2102
 
        expected_root_entry_direntry = ('', '', 'a-root-value'), [
2103
 
            ('d', '', 0, False, packed_stat),
2104
 
            ('d', '', 0, False, packed_stat),
2105
 
            ]
2106
 
        dirblocks = []
2107
 
        dirblocks.append(('', [root_entry_direntry]))
2108
 
        dirblocks.append(('', []))
2109
 
 
2110
 
        state = self.create_empty_dirstate()
2111
 
        self.addCleanup(state.unlock)
2112
 
        state._set_data(['parent-id', 'merged-id'], dirblocks[:])
2113
 
        state._validate()
2114
 
 
2115
 
        # This should strip of the extra column
2116
 
        state._discard_merge_parents()
2117
 
        state._validate()
2118
 
        expected_dirblocks = [('', [expected_root_entry_direntry]), ('', [])]
2119
 
        self.assertEqual(expected_dirblocks, state._dirblocks)
2120
 
 
2121
 
    def test_discard_absent(self):
2122
 
        """If entries are only in a merge, discard should remove the entries"""
2123
 
        null_stat = dirstate.DirState.NULLSTAT
2124
 
        present_dir = ('d', '', 0, False, null_stat)
2125
 
        present_file = ('f', '', 0, False, null_stat)
2126
 
        absent = dirstate.DirState.NULL_PARENT_DETAILS
2127
 
        root_key = ('', '', 'a-root-value')
2128
 
        file_in_root_key = ('', 'file-in-root', 'a-file-id')
2129
 
        file_in_merged_key = ('', 'file-in-merged', 'b-file-id')
2130
 
        dirblocks = [('', [(root_key, [present_dir, present_dir, present_dir])]),
2131
 
                     ('', [(file_in_merged_key,
2132
 
                            [absent, absent, present_file]),
2133
 
                           (file_in_root_key,
2134
 
                            [present_file, present_file, present_file]),
2135
 
                          ]),
2136
 
                    ]
2137
 
 
2138
 
        state = self.create_empty_dirstate()
2139
 
        self.addCleanup(state.unlock)
2140
 
        state._set_data(['parent-id', 'merged-id'], dirblocks[:])
2141
 
        state._validate()
2142
 
 
2143
 
        exp_dirblocks = [('', [(root_key, [present_dir, present_dir])]),
2144
 
                         ('', [(file_in_root_key,
2145
 
                                [present_file, present_file]),
2146
 
                              ]),
2147
 
                        ]
2148
 
        state._discard_merge_parents()
2149
 
        state._validate()
2150
 
        self.assertEqual(exp_dirblocks, state._dirblocks)
2151
 
 
2152
 
    def test_discard_renamed(self):
2153
 
        null_stat = dirstate.DirState.NULLSTAT
2154
 
        present_dir = ('d', '', 0, False, null_stat)
2155
 
        present_file = ('f', '', 0, False, null_stat)
2156
 
        absent = dirstate.DirState.NULL_PARENT_DETAILS
2157
 
        root_key = ('', '', 'a-root-value')
2158
 
        file_in_root_key = ('', 'file-in-root', 'a-file-id')
2159
 
        # Renamed relative to parent
2160
 
        file_rename_s_key = ('', 'file-s', 'b-file-id')
2161
 
        file_rename_t_key = ('', 'file-t', 'b-file-id')
2162
 
        # And one that is renamed between the parents, but absent in this
2163
 
        key_in_1 = ('', 'file-in-1', 'c-file-id')
2164
 
        key_in_2 = ('', 'file-in-2', 'c-file-id')
2165
 
 
2166
 
        dirblocks = [
2167
 
            ('', [(root_key, [present_dir, present_dir, present_dir])]),
2168
 
            ('', [(key_in_1,
2169
 
                   [absent, present_file, ('r', 'file-in-2', 'c-file-id')]),
2170
 
                  (key_in_2,
2171
 
                   [absent, ('r', 'file-in-1', 'c-file-id'), present_file]),
2172
 
                  (file_in_root_key,
2173
 
                   [present_file, present_file, present_file]),
2174
 
                  (file_rename_s_key,
2175
 
                   [('r', 'file-t', 'b-file-id'), absent, present_file]),
2176
 
                  (file_rename_t_key,
2177
 
                   [present_file, absent, ('r', 'file-s', 'b-file-id')]),
2178
 
                 ]),
2179
 
        ]
2180
 
        exp_dirblocks = [
2181
 
            ('', [(root_key, [present_dir, present_dir])]),
2182
 
            ('', [(key_in_1, [absent, present_file]),
2183
 
                  (file_in_root_key, [present_file, present_file]),
2184
 
                  (file_rename_t_key, [present_file, absent]),
2185
 
                 ]),
2186
 
        ]
2187
 
        state = self.create_empty_dirstate()
2188
 
        self.addCleanup(state.unlock)
2189
 
        state._set_data(['parent-id', 'merged-id'], dirblocks[:])
2190
 
        state._validate()
2191
 
 
2192
 
        state._discard_merge_parents()
2193
 
        state._validate()
2194
 
        self.assertEqual(exp_dirblocks, state._dirblocks)
2195
 
 
2196
 
    def test_discard_all_subdir(self):
2197
 
        null_stat = dirstate.DirState.NULLSTAT
2198
 
        present_dir = ('d', '', 0, False, null_stat)
2199
 
        present_file = ('f', '', 0, False, null_stat)
2200
 
        absent = dirstate.DirState.NULL_PARENT_DETAILS
2201
 
        root_key = ('', '', 'a-root-value')
2202
 
        subdir_key = ('', 'sub', 'dir-id')
2203
 
        child1_key = ('sub', 'child1', 'child1-id')
2204
 
        child2_key = ('sub', 'child2', 'child2-id')
2205
 
        child3_key = ('sub', 'child3', 'child3-id')
2206
 
 
2207
 
        dirblocks = [
2208
 
            ('', [(root_key, [present_dir, present_dir, present_dir])]),
2209
 
            ('', [(subdir_key, [present_dir, present_dir, present_dir])]),
2210
 
            ('sub', [(child1_key, [absent, absent, present_file]),
2211
 
                     (child2_key, [absent, absent, present_file]),
2212
 
                     (child3_key, [absent, absent, present_file]),
2213
 
                    ]),
2214
 
        ]
2215
 
        exp_dirblocks = [
2216
 
            ('', [(root_key, [present_dir, present_dir])]),
2217
 
            ('', [(subdir_key, [present_dir, present_dir])]),
2218
 
            ('sub', []),
2219
 
        ]
2220
 
        state = self.create_empty_dirstate()
2221
 
        self.addCleanup(state.unlock)
2222
 
        state._set_data(['parent-id', 'merged-id'], dirblocks[:])
2223
 
        state._validate()
2224
 
 
2225
 
        state._discard_merge_parents()
2226
 
        state._validate()
2227
 
        self.assertEqual(exp_dirblocks, state._dirblocks)
2228
 
 
2229
 
 
2230
 
class Test_InvEntryToDetails(tests.TestCase):
2231
 
 
2232
 
    def assertDetails(self, expected, inv_entry):
2233
 
        details = dirstate.DirState._inv_entry_to_details(inv_entry)
2234
 
        self.assertEqual(expected, details)
2235
 
        # details should always allow join() and always be a plain str when
2236
 
        # finished
2237
 
        (minikind, fingerprint, size, executable, tree_data) = details
2238
 
        self.assertIsInstance(minikind, str)
2239
 
        self.assertIsInstance(fingerprint, str)
2240
 
        self.assertIsInstance(tree_data, str)
2241
 
 
2242
 
    def test_unicode_symlink(self):
2243
 
        inv_entry = inventory.InventoryLink('link-file-id',
2244
 
                                            u'nam\N{Euro Sign}e',
2245
 
                                            'link-parent-id')
2246
 
        inv_entry.revision = 'link-revision-id'
2247
 
        target = u'link-targ\N{Euro Sign}t'
2248
 
        inv_entry.symlink_target = target
2249
 
        self.assertDetails(('l', target.encode('UTF-8'), 0, False,
2250
 
                            'link-revision-id'), inv_entry)
2251
 
 
2252
 
 
2253
 
class TestSHA1Provider(tests.TestCaseInTempDir):
2254
 
 
2255
 
    def test_sha1provider_is_an_interface(self):
2256
 
        p = dirstate.SHA1Provider()
2257
 
        self.assertRaises(NotImplementedError, p.sha1, "foo")
2258
 
        self.assertRaises(NotImplementedError, p.stat_and_sha1, "foo")
2259
 
 
2260
 
    def test_defaultsha1provider_sha1(self):
2261
 
        text = 'test\r\nwith\nall\rpossible line endings\r\n'
2262
 
        self.build_tree_contents([('foo', text)])
2263
 
        expected_sha = osutils.sha_string(text)
2264
 
        p = dirstate.DefaultSHA1Provider()
2265
 
        self.assertEqual(expected_sha, p.sha1('foo'))
2266
 
 
2267
 
    def test_defaultsha1provider_stat_and_sha1(self):
2268
 
        text = 'test\r\nwith\nall\rpossible line endings\r\n'
2269
 
        self.build_tree_contents([('foo', text)])
2270
 
        expected_sha = osutils.sha_string(text)
2271
 
        p = dirstate.DefaultSHA1Provider()
2272
 
        statvalue, sha1 = p.stat_and_sha1('foo')
2273
 
        self.assertTrue(len(statvalue) >= 10)
2274
 
        self.assertEqual(len(text), statvalue.st_size)
2275
 
        self.assertEqual(expected_sha, sha1)