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Viewing changes to breezy/tests/test_bundle.py

  • Committer: Jelmer Vernooij
  • Date: 2019-02-04 01:01:24 UTC
  • mto: This revision was merged to the branch mainline in revision 7268.
  • Revision ID: jelmer@jelmer.uk-20190204010124-ni0i4qc6f5tnbvux
Fix source tests.

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1
# Copyright (C) 2005-2013, 2016 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
import bz2
 
18
from io import BytesIO
 
19
import os
 
20
try:
 
21
    import socketserver
 
22
except ImportError:
 
23
    import SocketServer as socketserver
 
24
import sys
 
25
 
 
26
from .. import (
 
27
    diff,
 
28
    errors,
 
29
    merge,
 
30
    osutils,
 
31
    revision as _mod_revision,
 
32
    tests,
 
33
    treebuilder,
 
34
    )
 
35
from ..bzr import (
 
36
    bzrdir,
 
37
    inventory,
 
38
    )
 
39
from ..bundle import read_mergeable_from_url
 
40
from ..bundle.apply_bundle import install_bundle, merge_bundle
 
41
from ..bundle.bundle_data import BundleTree
 
42
from ..directory_service import directories
 
43
from ..bundle.serializer import write_bundle, read_bundle, v09, v4
 
44
from ..bundle.serializer.v08 import BundleSerializerV08
 
45
from ..bundle.serializer.v09 import BundleSerializerV09
 
46
from ..bundle.serializer.v4 import BundleSerializerV4
 
47
from ..bzr import knitrepo
 
48
from . import (
 
49
    features,
 
50
    test_commit,
 
51
    test_read_bundle,
 
52
    test_server,
 
53
    )
 
54
from ..transform import TreeTransform
 
55
 
 
56
 
 
57
def get_text(vf, key):
 
58
    """Get the fulltext for a given revision id that is present in the vf"""
 
59
    stream = vf.get_record_stream([key], 'unordered', True)
 
60
    record = next(stream)
 
61
    return record.get_bytes_as('fulltext')
 
62
 
 
63
 
 
64
def get_inventory_text(repo, revision_id):
 
65
    """Get the fulltext for the inventory at revision id"""
 
66
    with repo.lock_read():
 
67
        return get_text(repo.inventories, (revision_id,))
 
68
 
 
69
 
 
70
class MockTree(object):
 
71
 
 
72
    def __init__(self):
 
73
        from ..bzr.inventory import InventoryDirectory, ROOT_ID
 
74
        object.__init__(self)
 
75
        self.paths = {ROOT_ID: ""}
 
76
        self.ids = {"": ROOT_ID}
 
77
        self.contents = {}
 
78
        self.root = InventoryDirectory(ROOT_ID, '', None)
 
79
 
 
80
    inventory = property(lambda x: x)
 
81
    root_inventory = property(lambda x: x)
 
82
 
 
83
    def get_root_id(self):
 
84
        return self.root.file_id
 
85
 
 
86
    def all_file_ids(self):
 
87
        return set(self.paths.keys())
 
88
 
 
89
    def all_versioned_paths(self):
 
90
        return set(self.paths.values())
 
91
 
 
92
    def is_executable(self, path):
 
93
        # Not all the files are executable.
 
94
        return False
 
95
 
 
96
    def __getitem__(self, file_id):
 
97
        if file_id == self.root.file_id:
 
98
            return self.root
 
99
        else:
 
100
            return self.make_entry(file_id, self.paths[file_id])
 
101
 
 
102
    def get_entry_by_path(self, path):
 
103
        return self[self.path2id(path)]
 
104
 
 
105
    def parent_id(self, file_id):
 
106
        parent_dir = os.path.dirname(self.paths[file_id])
 
107
        if parent_dir == "":
 
108
            return None
 
109
        return self.ids[parent_dir]
 
110
 
 
111
    def iter_entries(self):
 
112
        for path, file_id in self.ids.items():
 
113
            yield path, self[file_id]
 
114
 
 
115
    def kind(self, path):
 
116
        if path in self.contents:
 
117
            kind = 'file'
 
118
        else:
 
119
            kind = 'directory'
 
120
        return kind
 
121
 
 
122
    def make_entry(self, file_id, path):
 
123
        from ..bzr.inventory import (InventoryFile, InventoryDirectory,
 
124
                                     InventoryLink)
 
125
        if not isinstance(file_id, bytes):
 
126
            raise TypeError(file_id)
 
127
        name = os.path.basename(path)
 
128
        kind = self.kind(path)
 
129
        parent_id = self.parent_id(file_id)
 
130
        text_sha_1, text_size = self.contents_stats(path)
 
131
        if kind == 'directory':
 
132
            ie = InventoryDirectory(file_id, name, parent_id)
 
133
        elif kind == 'file':
 
134
            ie = InventoryFile(file_id, name, parent_id)
 
135
            ie.text_sha1 = text_sha_1
 
136
            ie.text_size = text_size
 
137
        elif kind == 'symlink':
 
138
            ie = InventoryLink(file_id, name, parent_id)
 
139
        else:
 
140
            raise errors.BzrError('unknown kind %r' % kind)
 
141
        return ie
 
142
 
 
143
    def add_dir(self, file_id, path):
 
144
        if not isinstance(file_id, bytes):
 
145
            raise TypeError(file_id)
 
146
        self.paths[file_id] = path
 
147
        self.ids[path] = file_id
 
148
 
 
149
    def add_file(self, file_id, path, contents):
 
150
        if not isinstance(file_id, bytes):
 
151
            raise TypeError(file_id)
 
152
        self.add_dir(file_id, path)
 
153
        self.contents[path] = contents
 
154
 
 
155
    def path2id(self, path):
 
156
        return self.ids.get(path)
 
157
 
 
158
    def id2path(self, file_id):
 
159
        return self.paths.get(file_id)
 
160
 
 
161
    def has_id(self, file_id):
 
162
        return self.id2path(file_id) is not None
 
163
 
 
164
    def get_file(self, path):
 
165
        result = BytesIO()
 
166
        try:
 
167
            result.write(self.contents[path])
 
168
        except KeyError:
 
169
            raise errors.NoSuchFile(path)
 
170
        result.seek(0, 0)
 
171
        return result
 
172
 
 
173
    def get_file_revision(self, path):
 
174
        return self.inventory.get_entry_by_path(path).revision
 
175
 
 
176
    def get_file_size(self, path):
 
177
        return self.inventory.get_entry_by_path(path).text_size
 
178
 
 
179
    def get_file_sha1(self, path, file_id=None):
 
180
        return self.inventory.get_entry_by_path(path).text_sha1
 
181
 
 
182
    def contents_stats(self, path):
 
183
        if path not in self.contents:
 
184
            return None, None
 
185
        text_sha1 = osutils.sha_file(self.get_file(path))
 
186
        return text_sha1, len(self.contents[path])
 
187
 
 
188
 
 
189
class BTreeTester(tests.TestCase):
 
190
    """A simple unittest tester for the BundleTree class."""
 
191
 
 
192
    def make_tree_1(self):
 
193
        mtree = MockTree()
 
194
        mtree.add_dir(b"a", "grandparent")
 
195
        mtree.add_dir(b"b", "grandparent/parent")
 
196
        mtree.add_file(b"c", "grandparent/parent/file", b"Hello\n")
 
197
        mtree.add_dir(b"d", "grandparent/alt_parent")
 
198
        return BundleTree(mtree, b''), mtree
 
199
 
 
200
    def test_renames(self):
 
201
        """Ensure that file renames have the proper effect on children"""
 
202
        btree = self.make_tree_1()[0]
 
203
        self.assertEqual(btree.old_path("grandparent"), "grandparent")
 
204
        self.assertEqual(btree.old_path("grandparent/parent"),
 
205
                         "grandparent/parent")
 
206
        self.assertEqual(btree.old_path("grandparent/parent/file"),
 
207
                         "grandparent/parent/file")
 
208
 
 
209
        self.assertEqual(btree.id2path(b"a"), "grandparent")
 
210
        self.assertEqual(btree.id2path(b"b"), "grandparent/parent")
 
211
        self.assertEqual(btree.id2path(b"c"), "grandparent/parent/file")
 
212
 
 
213
        self.assertEqual(btree.path2id("grandparent"), b"a")
 
214
        self.assertEqual(btree.path2id("grandparent/parent"), b"b")
 
215
        self.assertEqual(btree.path2id("grandparent/parent/file"), b"c")
 
216
 
 
217
        self.assertIs(btree.path2id("grandparent2"), None)
 
218
        self.assertIs(btree.path2id("grandparent2/parent"), None)
 
219
        self.assertIs(btree.path2id("grandparent2/parent/file"), None)
 
220
 
 
221
        btree.note_rename("grandparent", "grandparent2")
 
222
        self.assertIs(btree.old_path("grandparent"), None)
 
223
        self.assertIs(btree.old_path("grandparent/parent"), None)
 
224
        self.assertIs(btree.old_path("grandparent/parent/file"), None)
 
225
 
 
226
        self.assertEqual(btree.id2path(b"a"), "grandparent2")
 
227
        self.assertEqual(btree.id2path(b"b"), "grandparent2/parent")
 
228
        self.assertEqual(btree.id2path(b"c"), "grandparent2/parent/file")
 
229
 
 
230
        self.assertEqual(btree.path2id("grandparent2"), b"a")
 
231
        self.assertEqual(btree.path2id("grandparent2/parent"), b"b")
 
232
        self.assertEqual(btree.path2id("grandparent2/parent/file"), b"c")
 
233
 
 
234
        self.assertTrue(btree.path2id("grandparent") is None)
 
235
        self.assertTrue(btree.path2id("grandparent/parent") is None)
 
236
        self.assertTrue(btree.path2id("grandparent/parent/file") is None)
 
237
 
 
238
        btree.note_rename("grandparent/parent", "grandparent2/parent2")
 
239
        self.assertEqual(btree.id2path(b"a"), "grandparent2")
 
240
        self.assertEqual(btree.id2path(b"b"), "grandparent2/parent2")
 
241
        self.assertEqual(btree.id2path(b"c"), "grandparent2/parent2/file")
 
242
 
 
243
        self.assertEqual(btree.path2id("grandparent2"), b"a")
 
244
        self.assertEqual(btree.path2id("grandparent2/parent2"), b"b")
 
245
        self.assertEqual(btree.path2id("grandparent2/parent2/file"), b"c")
 
246
 
 
247
        self.assertTrue(btree.path2id("grandparent2/parent") is None)
 
248
        self.assertTrue(btree.path2id("grandparent2/parent/file") is None)
 
249
 
 
250
        btree.note_rename("grandparent/parent/file",
 
251
                          "grandparent2/parent2/file2")
 
252
        self.assertEqual(btree.id2path(b"a"), "grandparent2")
 
253
        self.assertEqual(btree.id2path(b"b"), "grandparent2/parent2")
 
254
        self.assertEqual(btree.id2path(b"c"), "grandparent2/parent2/file2")
 
255
 
 
256
        self.assertEqual(btree.path2id("grandparent2"), b"a")
 
257
        self.assertEqual(btree.path2id("grandparent2/parent2"), b"b")
 
258
        self.assertEqual(btree.path2id("grandparent2/parent2/file2"), b"c")
 
259
 
 
260
        self.assertTrue(btree.path2id("grandparent2/parent2/file") is None)
 
261
 
 
262
    def test_moves(self):
 
263
        """Ensure that file moves have the proper effect on children"""
 
264
        btree = self.make_tree_1()[0]
 
265
        btree.note_rename("grandparent/parent/file",
 
266
                          "grandparent/alt_parent/file")
 
267
        self.assertEqual(btree.id2path(b"c"), "grandparent/alt_parent/file")
 
268
        self.assertEqual(btree.path2id("grandparent/alt_parent/file"), b"c")
 
269
        self.assertTrue(btree.path2id("grandparent/parent/file") is None)
 
270
 
 
271
    def unified_diff(self, old, new):
 
272
        out = BytesIO()
 
273
        diff.internal_diff("old", old, "new", new, out)
 
274
        out.seek(0, 0)
 
275
        return out.read()
 
276
 
 
277
    def make_tree_2(self):
 
278
        btree = self.make_tree_1()[0]
 
279
        btree.note_rename("grandparent/parent/file",
 
280
                          "grandparent/alt_parent/file")
 
281
        self.assertTrue(btree.id2path(b"e") is None)
 
282
        self.assertFalse(btree.is_versioned("grandparent/parent/file"))
 
283
        btree.note_id(b"e", "grandparent/parent/file")
 
284
        return btree
 
285
 
 
286
    def test_adds(self):
 
287
        """File/inventory adds"""
 
288
        btree = self.make_tree_2()
 
289
        add_patch = self.unified_diff([], [b"Extra cheese\n"])
 
290
        btree.note_patch("grandparent/parent/file", add_patch)
 
291
        btree.note_id(b'f', 'grandparent/parent/symlink', kind='symlink')
 
292
        btree.note_target('grandparent/parent/symlink', 'venus')
 
293
        self.adds_test(btree)
 
294
 
 
295
    def adds_test(self, btree):
 
296
        self.assertEqual(btree.id2path(b"e"), "grandparent/parent/file")
 
297
        self.assertEqual(btree.path2id("grandparent/parent/file"), b"e")
 
298
        with btree.get_file("grandparent/parent/file") as f:
 
299
            self.assertEqual(f.read(), b"Extra cheese\n")
 
300
        self.assertEqual(
 
301
            btree.get_symlink_target('grandparent/parent/symlink'), 'venus')
 
302
 
 
303
    def test_adds2(self):
 
304
        """File/inventory adds, with patch-compatibile renames"""
 
305
        btree = self.make_tree_2()
 
306
        btree.contents_by_id = False
 
307
        add_patch = self.unified_diff([b"Hello\n"], [b"Extra cheese\n"])
 
308
        btree.note_patch("grandparent/parent/file", add_patch)
 
309
        btree.note_id(b'f', 'grandparent/parent/symlink', kind='symlink')
 
310
        btree.note_target('grandparent/parent/symlink', 'venus')
 
311
        self.adds_test(btree)
 
312
 
 
313
    def make_tree_3(self):
 
314
        btree, mtree = self.make_tree_1()
 
315
        mtree.add_file(b"e", "grandparent/parent/topping", b"Anchovies\n")
 
316
        btree.note_rename("grandparent/parent/file",
 
317
                          "grandparent/alt_parent/file")
 
318
        btree.note_rename("grandparent/parent/topping",
 
319
                          "grandparent/alt_parent/stopping")
 
320
        return btree
 
321
 
 
322
    def get_file_test(self, btree):
 
323
        with btree.get_file(btree.id2path(b"e")) as f:
 
324
            self.assertEqual(f.read(), b"Lemon\n")
 
325
        with btree.get_file(btree.id2path(b"c")) as f:
 
326
            self.assertEqual(f.read(), b"Hello\n")
 
327
 
 
328
    def test_get_file(self):
 
329
        """Get file contents"""
 
330
        btree = self.make_tree_3()
 
331
        mod_patch = self.unified_diff([b"Anchovies\n"], [b"Lemon\n"])
 
332
        btree.note_patch("grandparent/alt_parent/stopping", mod_patch)
 
333
        self.get_file_test(btree)
 
334
 
 
335
    def test_get_file2(self):
 
336
        """Get file contents, with patch-compatible renames"""
 
337
        btree = self.make_tree_3()
 
338
        btree.contents_by_id = False
 
339
        mod_patch = self.unified_diff([], [b"Lemon\n"])
 
340
        btree.note_patch("grandparent/alt_parent/stopping", mod_patch)
 
341
        mod_patch = self.unified_diff([], [b"Hello\n"])
 
342
        btree.note_patch("grandparent/alt_parent/file", mod_patch)
 
343
        self.get_file_test(btree)
 
344
 
 
345
    def test_delete(self):
 
346
        "Deletion by bundle"
 
347
        btree = self.make_tree_1()[0]
 
348
        with btree.get_file(btree.id2path(b"c")) as f:
 
349
            self.assertEqual(f.read(), b"Hello\n")
 
350
        btree.note_deletion("grandparent/parent/file")
 
351
        self.assertTrue(btree.id2path(b"c") is None)
 
352
        self.assertFalse(btree.is_versioned("grandparent/parent/file"))
 
353
 
 
354
    def sorted_ids(self, tree):
 
355
        ids = sorted(tree.all_file_ids())
 
356
        return ids
 
357
 
 
358
    def test_iteration(self):
 
359
        """Ensure that iteration through ids works properly"""
 
360
        btree = self.make_tree_1()[0]
 
361
        self.assertEqual(self.sorted_ids(btree),
 
362
                         [inventory.ROOT_ID, b'a', b'b', b'c', b'd'])
 
363
        btree.note_deletion("grandparent/parent/file")
 
364
        btree.note_id(b"e", "grandparent/alt_parent/fool", kind="directory")
 
365
        btree.note_last_changed("grandparent/alt_parent/fool",
 
366
                                "revisionidiguess")
 
367
        self.assertEqual(self.sorted_ids(btree),
 
368
                         [inventory.ROOT_ID, b'a', b'b', b'd', b'e'])
 
369
 
 
370
 
 
371
class BundleTester1(tests.TestCaseWithTransport):
 
372
 
 
373
    def test_mismatched_bundle(self):
 
374
        format = bzrdir.BzrDirMetaFormat1()
 
375
        format.repository_format = knitrepo.RepositoryFormatKnit3()
 
376
        serializer = BundleSerializerV08('0.8')
 
377
        b = self.make_branch('.', format=format)
 
378
        self.assertRaises(errors.IncompatibleBundleFormat, serializer.write,
 
379
                          b.repository, [], {}, BytesIO())
 
380
 
 
381
    def test_matched_bundle(self):
 
382
        """Don't raise IncompatibleBundleFormat for knit2 and bundle0.9"""
 
383
        format = bzrdir.BzrDirMetaFormat1()
 
384
        format.repository_format = knitrepo.RepositoryFormatKnit3()
 
385
        serializer = BundleSerializerV09('0.9')
 
386
        b = self.make_branch('.', format=format)
 
387
        serializer.write(b.repository, [], {}, BytesIO())
 
388
 
 
389
    def test_mismatched_model(self):
 
390
        """Try copying a bundle from knit2 to knit1"""
 
391
        format = bzrdir.BzrDirMetaFormat1()
 
392
        format.repository_format = knitrepo.RepositoryFormatKnit3()
 
393
        source = self.make_branch_and_tree('source', format=format)
 
394
        source.commit('one', rev_id=b'one-id')
 
395
        source.commit('two', rev_id=b'two-id')
 
396
        text = BytesIO()
 
397
        write_bundle(source.branch.repository, b'two-id', b'null:', text,
 
398
                     format='0.9')
 
399
        text.seek(0)
 
400
 
 
401
        format = bzrdir.BzrDirMetaFormat1()
 
402
        format.repository_format = knitrepo.RepositoryFormatKnit1()
 
403
        target = self.make_branch('target', format=format)
 
404
        self.assertRaises(errors.IncompatibleRevision, install_bundle,
 
405
                          target.repository, read_bundle(text))
 
406
 
 
407
 
 
408
class BundleTester(object):
 
409
 
 
410
    def bzrdir_format(self):
 
411
        format = bzrdir.BzrDirMetaFormat1()
 
412
        format.repository_format = knitrepo.RepositoryFormatKnit1()
 
413
        return format
 
414
 
 
415
    def make_branch_and_tree(self, path, format=None):
 
416
        if format is None:
 
417
            format = self.bzrdir_format()
 
418
        return tests.TestCaseWithTransport.make_branch_and_tree(
 
419
            self, path, format)
 
420
 
 
421
    def make_branch(self, path, format=None):
 
422
        if format is None:
 
423
            format = self.bzrdir_format()
 
424
        return tests.TestCaseWithTransport.make_branch(self, path, format)
 
425
 
 
426
    def create_bundle_text(self, base_rev_id, rev_id):
 
427
        bundle_txt = BytesIO()
 
428
        rev_ids = write_bundle(self.b1.repository, rev_id, base_rev_id,
 
429
                               bundle_txt, format=self.format)
 
430
        bundle_txt.seek(0)
 
431
        self.assertEqual(bundle_txt.readline(),
 
432
                         b'# Bazaar revision bundle v%s\n' % self.format.encode('ascii'))
 
433
        self.assertEqual(bundle_txt.readline(), b'#\n')
 
434
 
 
435
        rev = self.b1.repository.get_revision(rev_id)
 
436
        self.assertEqual(bundle_txt.readline().decode('utf-8'),
 
437
                         u'# message:\n')
 
438
        bundle_txt.seek(0)
 
439
        return bundle_txt, rev_ids
 
440
 
 
441
    def get_valid_bundle(self, base_rev_id, rev_id, checkout_dir=None):
 
442
        """Create a bundle from base_rev_id -> rev_id in built-in branch.
 
443
        Make sure that the text generated is valid, and that it
 
444
        can be applied against the base, and generate the same information.
 
445
 
 
446
        :return: The in-memory bundle
 
447
        """
 
448
        bundle_txt, rev_ids = self.create_bundle_text(base_rev_id, rev_id)
 
449
 
 
450
        # This should also validate the generated bundle
 
451
        bundle = read_bundle(bundle_txt)
 
452
        repository = self.b1.repository
 
453
        for bundle_rev in bundle.real_revisions:
 
454
            # These really should have already been checked when we read the
 
455
            # bundle, since it computes the sha1 hash for the revision, which
 
456
            # only will match if everything is okay, but lets be explicit about
 
457
            # it
 
458
            branch_rev = repository.get_revision(bundle_rev.revision_id)
 
459
            for a in ('inventory_sha1', 'revision_id', 'parent_ids',
 
460
                      'timestamp', 'timezone', 'message', 'committer',
 
461
                      'parent_ids', 'properties'):
 
462
                self.assertEqual(getattr(branch_rev, a),
 
463
                                 getattr(bundle_rev, a))
 
464
            self.assertEqual(len(branch_rev.parent_ids),
 
465
                             len(bundle_rev.parent_ids))
 
466
        self.assertEqual(rev_ids,
 
467
                         [r.revision_id for r in bundle.real_revisions])
 
468
        self.valid_apply_bundle(base_rev_id, bundle, checkout_dir=checkout_dir)
 
469
 
 
470
        return bundle
 
471
 
 
472
    def get_invalid_bundle(self, base_rev_id, rev_id):
 
473
        """Create a bundle from base_rev_id -> rev_id in built-in branch.
 
474
        Munge the text so that it's invalid.
 
475
 
 
476
        :return: The in-memory bundle
 
477
        """
 
478
        bundle_txt, rev_ids = self.create_bundle_text(base_rev_id, rev_id)
 
479
        new_text = bundle_txt.getvalue().replace(b'executable:no',
 
480
                                                 b'executable:yes')
 
481
        bundle_txt = BytesIO(new_text)
 
482
        bundle = read_bundle(bundle_txt)
 
483
        self.valid_apply_bundle(base_rev_id, bundle)
 
484
        return bundle
 
485
 
 
486
    def test_non_bundle(self):
 
487
        self.assertRaises(errors.NotABundle,
 
488
                          read_bundle, BytesIO(b'#!/bin/sh\n'))
 
489
 
 
490
    def test_malformed(self):
 
491
        self.assertRaises(errors.BadBundle, read_bundle,
 
492
                          BytesIO(b'# Bazaar revision bundle v'))
 
493
 
 
494
    def test_crlf_bundle(self):
 
495
        try:
 
496
            read_bundle(BytesIO(b'# Bazaar revision bundle v0.8\r\n'))
 
497
        except errors.BadBundle:
 
498
            # It is currently permitted for bundles with crlf line endings to
 
499
            # make read_bundle raise a BadBundle, but this should be fixed.
 
500
            # Anything else, especially NotABundle, is an error.
 
501
            pass
 
502
 
 
503
    def get_checkout(self, rev_id, checkout_dir=None):
 
504
        """Get a new tree, with the specified revision in it.
 
505
        """
 
506
 
 
507
        if checkout_dir is None:
 
508
            checkout_dir = osutils.mkdtemp(prefix='test-branch-', dir='.')
 
509
        else:
 
510
            if not os.path.exists(checkout_dir):
 
511
                os.mkdir(checkout_dir)
 
512
        tree = self.make_branch_and_tree(checkout_dir)
 
513
        s = BytesIO()
 
514
        ancestors = write_bundle(self.b1.repository, rev_id, b'null:', s,
 
515
                                 format=self.format)
 
516
        s.seek(0)
 
517
        self.assertIsInstance(s.getvalue(), bytes)
 
518
        install_bundle(tree.branch.repository, read_bundle(s))
 
519
        for ancestor in ancestors:
 
520
            old = self.b1.repository.revision_tree(ancestor)
 
521
            new = tree.branch.repository.revision_tree(ancestor)
 
522
            old.lock_read()
 
523
            new.lock_read()
 
524
            try:
 
525
                # Check that there aren't any inventory level changes
 
526
                delta = new.changes_from(old)
 
527
                self.assertFalse(delta.has_changed(),
 
528
                                 'Revision %s not copied correctly.'
 
529
                                 % (ancestor,))
 
530
 
 
531
                # Now check that the file contents are all correct
 
532
                for path in old.all_versioned_paths():
 
533
                    try:
 
534
                        old_file = old.get_file(path)
 
535
                    except errors.NoSuchFile:
 
536
                        continue
 
537
                    self.assertEqual(
 
538
                        old_file.read(), new.get_file(path).read())
 
539
            finally:
 
540
                new.unlock()
 
541
                old.unlock()
 
542
        if not _mod_revision.is_null(rev_id):
 
543
            tree.branch.generate_revision_history(rev_id)
 
544
            tree.update()
 
545
            delta = tree.changes_from(self.b1.repository.revision_tree(rev_id))
 
546
            self.assertFalse(delta.has_changed(),
 
547
                             'Working tree has modifications: %s' % delta)
 
548
        return tree
 
549
 
 
550
    def valid_apply_bundle(self, base_rev_id, info, checkout_dir=None):
 
551
        """Get the base revision, apply the changes, and make
 
552
        sure everything matches the builtin branch.
 
553
        """
 
554
        to_tree = self.get_checkout(base_rev_id, checkout_dir=checkout_dir)
 
555
        to_tree.lock_write()
 
556
        try:
 
557
            self._valid_apply_bundle(base_rev_id, info, to_tree)
 
558
        finally:
 
559
            to_tree.unlock()
 
560
 
 
561
    def _valid_apply_bundle(self, base_rev_id, info, to_tree):
 
562
        original_parents = to_tree.get_parent_ids()
 
563
        repository = to_tree.branch.repository
 
564
        original_parents = to_tree.get_parent_ids()
 
565
        self.assertIs(repository.has_revision(base_rev_id), True)
 
566
        for rev in info.real_revisions:
 
567
            self.assertTrue(not repository.has_revision(rev.revision_id),
 
568
                            'Revision {%s} present before applying bundle'
 
569
                            % rev.revision_id)
 
570
        merge_bundle(info, to_tree, True, merge.Merge3Merger, False, False)
 
571
 
 
572
        for rev in info.real_revisions:
 
573
            self.assertTrue(repository.has_revision(rev.revision_id),
 
574
                            'Missing revision {%s} after applying bundle'
 
575
                            % rev.revision_id)
 
576
 
 
577
        self.assertTrue(to_tree.branch.repository.has_revision(info.target))
 
578
        # Do we also want to verify that all the texts have been added?
 
579
 
 
580
        self.assertEqual(original_parents + [info.target],
 
581
                         to_tree.get_parent_ids())
 
582
 
 
583
        rev = info.real_revisions[-1]
 
584
        base_tree = self.b1.repository.revision_tree(rev.revision_id)
 
585
        to_tree = to_tree.branch.repository.revision_tree(rev.revision_id)
 
586
 
 
587
        # TODO: make sure the target tree is identical to base tree
 
588
        #       we might also check the working tree.
 
589
 
 
590
        base_files = list(base_tree.list_files())
 
591
        to_files = list(to_tree.list_files())
 
592
        self.assertEqual(len(base_files), len(to_files))
 
593
        for base_file, to_file in zip(base_files, to_files):
 
594
            self.assertEqual(base_file, to_file)
 
595
 
 
596
        for path, status, kind, entry in base_files:
 
597
            # Check that the meta information is the same
 
598
            self.assertEqual(
 
599
                base_tree.get_file_size(path),
 
600
                to_tree.get_file_size(to_tree.id2path(entry.file_id)))
 
601
            self.assertEqual(
 
602
                base_tree.get_file_sha1(path, entry.file_id),
 
603
                to_tree.get_file_sha1(to_tree.id2path(entry.file_id)))
 
604
            # Check that the contents are the same
 
605
            # This is pretty expensive
 
606
            # self.assertEqual(base_tree.get_file(fileid).read(),
 
607
            #         to_tree.get_file(fileid).read())
 
608
 
 
609
    def test_bundle(self):
 
610
        self.tree1 = self.make_branch_and_tree('b1')
 
611
        self.b1 = self.tree1.branch
 
612
 
 
613
        self.build_tree_contents([('b1/one', b'one\n')])
 
614
        self.tree1.add('one', b'one-id')
 
615
        self.tree1.set_root_id(b'root-id')
 
616
        self.tree1.commit('add one', rev_id=b'a@cset-0-1')
 
617
 
 
618
        bundle = self.get_valid_bundle(b'null:', b'a@cset-0-1')
 
619
 
 
620
        # Make sure we can handle files with spaces, tabs, other
 
621
        # bogus characters
 
622
        self.build_tree([
 
623
            'b1/with space.txt', 'b1/dir/', 'b1/dir/filein subdir.c', 'b1/dir/WithCaps.txt', 'b1/dir/ pre space', 'b1/sub/', 'b1/sub/sub/', 'b1/sub/sub/nonempty.txt'
 
624
            ])
 
625
        self.build_tree_contents([('b1/sub/sub/emptyfile.txt', b''),
 
626
                                  ('b1/dir/nolastnewline.txt', b'bloop')])
 
627
        tt = TreeTransform(self.tree1)
 
628
        tt.new_file('executable', tt.root, [b'#!/bin/sh\n'], b'exe-1', True)
 
629
        tt.apply()
 
630
        # have to fix length of file-id so that we can predictably rewrite
 
631
        # a (length-prefixed) record containing it later.
 
632
        self.tree1.add('with space.txt', b'withspace-id')
 
633
        self.tree1.add([
 
634
            'dir', 'dir/filein subdir.c', 'dir/WithCaps.txt', 'dir/ pre space', 'dir/nolastnewline.txt', 'sub', 'sub/sub', 'sub/sub/nonempty.txt', 'sub/sub/emptyfile.txt'
 
635
            ])
 
636
        self.tree1.commit('add whitespace', rev_id=b'a@cset-0-2')
 
637
 
 
638
        bundle = self.get_valid_bundle(b'a@cset-0-1', b'a@cset-0-2')
 
639
 
 
640
        # Check a rollup bundle
 
641
        bundle = self.get_valid_bundle(b'null:', b'a@cset-0-2')
 
642
 
 
643
        # Now delete entries
 
644
        self.tree1.remove(
 
645
            ['sub/sub/nonempty.txt', 'sub/sub/emptyfile.txt', 'sub/sub'
 
646
             ])
 
647
        tt = TreeTransform(self.tree1)
 
648
        trans_id = tt.trans_id_tree_path('executable')
 
649
        tt.set_executability(False, trans_id)
 
650
        tt.apply()
 
651
        self.tree1.commit('removed', rev_id=b'a@cset-0-3')
 
652
 
 
653
        bundle = self.get_valid_bundle(b'a@cset-0-2', b'a@cset-0-3')
 
654
        self.assertRaises((errors.TestamentMismatch,
 
655
                           errors.VersionedFileInvalidChecksum,
 
656
                           errors.BadBundle), self.get_invalid_bundle,
 
657
                          b'a@cset-0-2', b'a@cset-0-3')
 
658
        # Check a rollup bundle
 
659
        bundle = self.get_valid_bundle(b'null:', b'a@cset-0-3')
 
660
 
 
661
        # Now move the directory
 
662
        self.tree1.rename_one('dir', 'sub/dir')
 
663
        self.tree1.commit('rename dir', rev_id=b'a@cset-0-4')
 
664
 
 
665
        bundle = self.get_valid_bundle(b'a@cset-0-3', b'a@cset-0-4')
 
666
        # Check a rollup bundle
 
667
        bundle = self.get_valid_bundle(b'null:', b'a@cset-0-4')
 
668
 
 
669
        # Modified files
 
670
        with open('b1/sub/dir/WithCaps.txt', 'ab') as f:
 
671
            f.write(b'\nAdding some text\n')
 
672
        with open('b1/sub/dir/ pre space', 'ab') as f:
 
673
            f.write(
 
674
                b'\r\nAdding some\r\nDOS format lines\r\n')
 
675
        with open('b1/sub/dir/nolastnewline.txt', 'ab') as f:
 
676
            f.write(b'\n')
 
677
        self.tree1.rename_one('sub/dir/ pre space',
 
678
                              'sub/ start space')
 
679
        self.tree1.commit('Modified files', rev_id=b'a@cset-0-5')
 
680
        bundle = self.get_valid_bundle(b'a@cset-0-4', b'a@cset-0-5')
 
681
 
 
682
        self.tree1.rename_one('sub/dir/WithCaps.txt', 'temp')
 
683
        self.tree1.rename_one('with space.txt', 'WithCaps.txt')
 
684
        self.tree1.rename_one('temp', 'with space.txt')
 
685
        self.tree1.commit(u'swap filenames', rev_id=b'a@cset-0-6',
 
686
                          verbose=False)
 
687
        bundle = self.get_valid_bundle(b'a@cset-0-5', b'a@cset-0-6')
 
688
        other = self.get_checkout(b'a@cset-0-5')
 
689
        tree1_inv = get_inventory_text(self.tree1.branch.repository,
 
690
                                       b'a@cset-0-5')
 
691
        tree2_inv = get_inventory_text(other.branch.repository,
 
692
                                       b'a@cset-0-5')
 
693
        self.assertEqualDiff(tree1_inv, tree2_inv)
 
694
        other.rename_one('sub/dir/nolastnewline.txt', 'sub/nolastnewline.txt')
 
695
        other.commit('rename file', rev_id=b'a@cset-0-6b')
 
696
        self.tree1.merge_from_branch(other.branch)
 
697
        self.tree1.commit(u'Merge', rev_id=b'a@cset-0-7',
 
698
                          verbose=False)
 
699
        bundle = self.get_valid_bundle(b'a@cset-0-6', b'a@cset-0-7')
 
700
 
 
701
    def _test_symlink_bundle(self, link_name, link_target, new_link_target):
 
702
        link_id = b'link-1'
 
703
 
 
704
        self.requireFeature(features.SymlinkFeature)
 
705
        self.tree1 = self.make_branch_and_tree('b1')
 
706
        self.b1 = self.tree1.branch
 
707
 
 
708
        tt = TreeTransform(self.tree1)
 
709
        tt.new_symlink(link_name, tt.root, link_target, link_id)
 
710
        tt.apply()
 
711
        self.tree1.commit('add symlink', rev_id=b'l@cset-0-1')
 
712
        bundle = self.get_valid_bundle(b'null:', b'l@cset-0-1')
 
713
        if getattr(bundle, 'revision_tree', None) is not None:
 
714
            # Not all bundle formats supports revision_tree
 
715
            bund_tree = bundle.revision_tree(self.b1.repository, b'l@cset-0-1')
 
716
            self.assertEqual(
 
717
                link_target, bund_tree.get_symlink_target(link_name))
 
718
 
 
719
        tt = TreeTransform(self.tree1)
 
720
        trans_id = tt.trans_id_tree_path(link_name)
 
721
        tt.adjust_path('link2', tt.root, trans_id)
 
722
        tt.delete_contents(trans_id)
 
723
        tt.create_symlink(new_link_target, trans_id)
 
724
        tt.apply()
 
725
        self.tree1.commit('rename and change symlink', rev_id=b'l@cset-0-2')
 
726
        bundle = self.get_valid_bundle(b'l@cset-0-1', b'l@cset-0-2')
 
727
        if getattr(bundle, 'revision_tree', None) is not None:
 
728
            # Not all bundle formats supports revision_tree
 
729
            bund_tree = bundle.revision_tree(self.b1.repository, b'l@cset-0-2')
 
730
            self.assertEqual(new_link_target,
 
731
                             bund_tree.get_symlink_target('link2'))
 
732
 
 
733
        tt = TreeTransform(self.tree1)
 
734
        trans_id = tt.trans_id_tree_path('link2')
 
735
        tt.delete_contents(trans_id)
 
736
        tt.create_symlink('jupiter', trans_id)
 
737
        tt.apply()
 
738
        self.tree1.commit('just change symlink target', rev_id=b'l@cset-0-3')
 
739
        bundle = self.get_valid_bundle(b'l@cset-0-2', b'l@cset-0-3')
 
740
 
 
741
        tt = TreeTransform(self.tree1)
 
742
        trans_id = tt.trans_id_tree_path('link2')
 
743
        tt.delete_contents(trans_id)
 
744
        tt.apply()
 
745
        self.tree1.commit('Delete symlink', rev_id=b'l@cset-0-4')
 
746
        bundle = self.get_valid_bundle(b'l@cset-0-3', b'l@cset-0-4')
 
747
 
 
748
    def test_symlink_bundle(self):
 
749
        self._test_symlink_bundle('link', 'bar/foo', 'mars')
 
750
 
 
751
    def test_unicode_symlink_bundle(self):
 
752
        self.requireFeature(features.UnicodeFilenameFeature)
 
753
        self._test_symlink_bundle(u'\N{Euro Sign}link',
 
754
                                  u'bar/\N{Euro Sign}foo',
 
755
                                  u'mars\N{Euro Sign}')
 
756
 
 
757
    def test_binary_bundle(self):
 
758
        self.tree1 = self.make_branch_and_tree('b1')
 
759
        self.b1 = self.tree1.branch
 
760
        tt = TreeTransform(self.tree1)
 
761
 
 
762
        # Add
 
763
        tt.new_file('file', tt.root, [
 
764
                    b'\x00\n\x00\r\x01\n\x02\r\xff'], b'binary-1')
 
765
        tt.new_file('file2', tt.root, [b'\x01\n\x02\r\x03\n\x04\r\xff'],
 
766
                    b'binary-2')
 
767
        tt.apply()
 
768
        self.tree1.commit('add binary', rev_id=b'b@cset-0-1')
 
769
        self.get_valid_bundle(b'null:', b'b@cset-0-1')
 
770
 
 
771
        # Delete
 
772
        tt = TreeTransform(self.tree1)
 
773
        trans_id = tt.trans_id_tree_path('file')
 
774
        tt.delete_contents(trans_id)
 
775
        tt.apply()
 
776
        self.tree1.commit('delete binary', rev_id=b'b@cset-0-2')
 
777
        self.get_valid_bundle(b'b@cset-0-1', b'b@cset-0-2')
 
778
 
 
779
        # Rename & modify
 
780
        tt = TreeTransform(self.tree1)
 
781
        trans_id = tt.trans_id_tree_path('file2')
 
782
        tt.adjust_path('file3', tt.root, trans_id)
 
783
        tt.delete_contents(trans_id)
 
784
        tt.create_file([b'file\rcontents\x00\n\x00'], trans_id)
 
785
        tt.apply()
 
786
        self.tree1.commit('rename and modify binary', rev_id=b'b@cset-0-3')
 
787
        self.get_valid_bundle(b'b@cset-0-2', b'b@cset-0-3')
 
788
 
 
789
        # Modify
 
790
        tt = TreeTransform(self.tree1)
 
791
        trans_id = tt.trans_id_tree_path('file3')
 
792
        tt.delete_contents(trans_id)
 
793
        tt.create_file([b'\x00file\rcontents'], trans_id)
 
794
        tt.apply()
 
795
        self.tree1.commit('just modify binary', rev_id=b'b@cset-0-4')
 
796
        self.get_valid_bundle(b'b@cset-0-3', b'b@cset-0-4')
 
797
 
 
798
        # Rollup
 
799
        self.get_valid_bundle(b'null:', b'b@cset-0-4')
 
800
 
 
801
    def test_last_modified(self):
 
802
        self.tree1 = self.make_branch_and_tree('b1')
 
803
        self.b1 = self.tree1.branch
 
804
        tt = TreeTransform(self.tree1)
 
805
        tt.new_file('file', tt.root, [b'file'], b'file')
 
806
        tt.apply()
 
807
        self.tree1.commit('create file', rev_id=b'a@lmod-0-1')
 
808
 
 
809
        tt = TreeTransform(self.tree1)
 
810
        trans_id = tt.trans_id_tree_path('file')
 
811
        tt.delete_contents(trans_id)
 
812
        tt.create_file([b'file2'], trans_id)
 
813
        tt.apply()
 
814
        self.tree1.commit('modify text', rev_id=b'a@lmod-0-2a')
 
815
 
 
816
        other = self.get_checkout(b'a@lmod-0-1')
 
817
        tt = TreeTransform(other)
 
818
        trans_id = tt.trans_id_tree_path('file2')
 
819
        tt.delete_contents(trans_id)
 
820
        tt.create_file([b'file2'], trans_id)
 
821
        tt.apply()
 
822
        other.commit('modify text in another tree', rev_id=b'a@lmod-0-2b')
 
823
        self.tree1.merge_from_branch(other.branch)
 
824
        self.tree1.commit(u'Merge', rev_id=b'a@lmod-0-3',
 
825
                          verbose=False)
 
826
        self.tree1.commit(u'Merge', rev_id=b'a@lmod-0-4')
 
827
        bundle = self.get_valid_bundle(b'a@lmod-0-2a', b'a@lmod-0-4')
 
828
 
 
829
    def test_hide_history(self):
 
830
        self.tree1 = self.make_branch_and_tree('b1')
 
831
        self.b1 = self.tree1.branch
 
832
 
 
833
        with open('b1/one', 'wb') as f:
 
834
            f.write(b'one\n')
 
835
        self.tree1.add('one')
 
836
        self.tree1.commit('add file', rev_id=b'a@cset-0-1')
 
837
        with open('b1/one', 'wb') as f:
 
838
            f.write(b'two\n')
 
839
        self.tree1.commit('modify', rev_id=b'a@cset-0-2')
 
840
        with open('b1/one', 'wb') as f:
 
841
            f.write(b'three\n')
 
842
        self.tree1.commit('modify', rev_id=b'a@cset-0-3')
 
843
        bundle_file = BytesIO()
 
844
        rev_ids = write_bundle(self.tree1.branch.repository, b'a@cset-0-3',
 
845
                               b'a@cset-0-1', bundle_file, format=self.format)
 
846
        self.assertNotContainsRe(bundle_file.getvalue(), b'\btwo\b')
 
847
        self.assertContainsRe(self.get_raw(bundle_file), b'one')
 
848
        self.assertContainsRe(self.get_raw(bundle_file), b'three')
 
849
 
 
850
    def test_bundle_same_basis(self):
 
851
        """Ensure using the basis as the target doesn't cause an error"""
 
852
        self.tree1 = self.make_branch_and_tree('b1')
 
853
        self.tree1.commit('add file', rev_id=b'a@cset-0-1')
 
854
        bundle_file = BytesIO()
 
855
        rev_ids = write_bundle(self.tree1.branch.repository, b'a@cset-0-1',
 
856
                               b'a@cset-0-1', bundle_file)
 
857
 
 
858
    @staticmethod
 
859
    def get_raw(bundle_file):
 
860
        return bundle_file.getvalue()
 
861
 
 
862
    def test_unicode_bundle(self):
 
863
        self.requireFeature(features.UnicodeFilenameFeature)
 
864
        # Handle international characters
 
865
        os.mkdir('b1')
 
866
        f = open(u'b1/with Dod\N{Euro Sign}', 'wb')
 
867
 
 
868
        self.tree1 = self.make_branch_and_tree('b1')
 
869
        self.b1 = self.tree1.branch
 
870
 
 
871
        f.write((u'A file\n'
 
872
                 u'With international man of mystery\n'
 
873
                 u'William Dod\xe9\n').encode('utf-8'))
 
874
        f.close()
 
875
 
 
876
        self.tree1.add([u'with Dod\N{Euro Sign}'], [b'withdod-id'])
 
877
        self.tree1.commit(u'i18n commit from William Dod\xe9',
 
878
                          rev_id=b'i18n-1', committer=u'William Dod\xe9')
 
879
 
 
880
        # Add
 
881
        bundle = self.get_valid_bundle(b'null:', b'i18n-1')
 
882
 
 
883
        # Modified
 
884
        f = open(u'b1/with Dod\N{Euro Sign}', 'wb')
 
885
        f.write(u'Modified \xb5\n'.encode('utf8'))
 
886
        f.close()
 
887
        self.tree1.commit(u'modified', rev_id=b'i18n-2')
 
888
 
 
889
        bundle = self.get_valid_bundle(b'i18n-1', b'i18n-2')
 
890
 
 
891
        # Renamed
 
892
        self.tree1.rename_one(u'with Dod\N{Euro Sign}', u'B\N{Euro Sign}gfors')
 
893
        self.tree1.commit(u'renamed, the new i18n man', rev_id=b'i18n-3',
 
894
                          committer=u'Erik B\xe5gfors')
 
895
 
 
896
        bundle = self.get_valid_bundle(b'i18n-2', b'i18n-3')
 
897
 
 
898
        # Removed
 
899
        self.tree1.remove([u'B\N{Euro Sign}gfors'])
 
900
        self.tree1.commit(u'removed', rev_id=b'i18n-4')
 
901
 
 
902
        bundle = self.get_valid_bundle(b'i18n-3', b'i18n-4')
 
903
 
 
904
        # Rollup
 
905
        bundle = self.get_valid_bundle(b'null:', b'i18n-4')
 
906
 
 
907
    def test_whitespace_bundle(self):
 
908
        if sys.platform in ('win32', 'cygwin'):
 
909
            raise tests.TestSkipped('Windows doesn\'t support filenames'
 
910
                                    ' with tabs or trailing spaces')
 
911
        self.tree1 = self.make_branch_and_tree('b1')
 
912
        self.b1 = self.tree1.branch
 
913
 
 
914
        self.build_tree(['b1/trailing space '])
 
915
        self.tree1.add(['trailing space '])
 
916
        # TODO: jam 20060701 Check for handling files with '\t' characters
 
917
        #       once we actually support them
 
918
 
 
919
        # Added
 
920
        self.tree1.commit('funky whitespace', rev_id=b'white-1')
 
921
 
 
922
        bundle = self.get_valid_bundle(b'null:', b'white-1')
 
923
 
 
924
        # Modified
 
925
        with open('b1/trailing space ', 'ab') as f:
 
926
            f.write(b'add some text\n')
 
927
        self.tree1.commit('add text', rev_id=b'white-2')
 
928
 
 
929
        bundle = self.get_valid_bundle(b'white-1', b'white-2')
 
930
 
 
931
        # Renamed
 
932
        self.tree1.rename_one('trailing space ', ' start and end space ')
 
933
        self.tree1.commit('rename', rev_id=b'white-3')
 
934
 
 
935
        bundle = self.get_valid_bundle(b'white-2', b'white-3')
 
936
 
 
937
        # Removed
 
938
        self.tree1.remove([' start and end space '])
 
939
        self.tree1.commit('removed', rev_id=b'white-4')
 
940
 
 
941
        bundle = self.get_valid_bundle(b'white-3', b'white-4')
 
942
 
 
943
        # Now test a complet roll-up
 
944
        bundle = self.get_valid_bundle(b'null:', b'white-4')
 
945
 
 
946
    def test_alt_timezone_bundle(self):
 
947
        self.tree1 = self.make_branch_and_memory_tree('b1')
 
948
        self.b1 = self.tree1.branch
 
949
        builder = treebuilder.TreeBuilder()
 
950
 
 
951
        self.tree1.lock_write()
 
952
        builder.start_tree(self.tree1)
 
953
        builder.build(['newfile'])
 
954
        builder.finish_tree()
 
955
 
 
956
        # Asia/Colombo offset = 5 hours 30 minutes
 
957
        self.tree1.commit('non-hour offset timezone', rev_id=b'tz-1',
 
958
                          timezone=19800, timestamp=1152544886.0)
 
959
 
 
960
        bundle = self.get_valid_bundle(b'null:', b'tz-1')
 
961
 
 
962
        rev = bundle.revisions[0]
 
963
        self.assertEqual('Mon 2006-07-10 20:51:26.000000000 +0530', rev.date)
 
964
        self.assertEqual(19800, rev.timezone)
 
965
        self.assertEqual(1152544886.0, rev.timestamp)
 
966
        self.tree1.unlock()
 
967
 
 
968
    def test_bundle_root_id(self):
 
969
        self.tree1 = self.make_branch_and_tree('b1')
 
970
        self.b1 = self.tree1.branch
 
971
        self.tree1.commit('message', rev_id=b'revid1')
 
972
        bundle = self.get_valid_bundle(b'null:', b'revid1')
 
973
        tree = self.get_bundle_tree(bundle, b'revid1')
 
974
        root_revision = tree.get_file_revision(u'')
 
975
        self.assertEqual(b'revid1', root_revision)
 
976
 
 
977
    def test_install_revisions(self):
 
978
        self.tree1 = self.make_branch_and_tree('b1')
 
979
        self.b1 = self.tree1.branch
 
980
        self.tree1.commit('message', rev_id=b'rev2a')
 
981
        bundle = self.get_valid_bundle(b'null:', b'rev2a')
 
982
        branch2 = self.make_branch('b2')
 
983
        self.assertFalse(branch2.repository.has_revision(b'rev2a'))
 
984
        target_revision = bundle.install_revisions(branch2.repository)
 
985
        self.assertTrue(branch2.repository.has_revision(b'rev2a'))
 
986
        self.assertEqual(b'rev2a', target_revision)
 
987
 
 
988
    def test_bundle_empty_property(self):
 
989
        """Test serializing revision properties with an empty value."""
 
990
        tree = self.make_branch_and_memory_tree('tree')
 
991
        tree.lock_write()
 
992
        self.addCleanup(tree.unlock)
 
993
        tree.add([''], [b'TREE_ROOT'])
 
994
        tree.commit('One', revprops={u'one': 'two',
 
995
                                     u'empty': ''}, rev_id=b'rev1')
 
996
        self.b1 = tree.branch
 
997
        bundle_sio, revision_ids = self.create_bundle_text(b'null:', b'rev1')
 
998
        bundle = read_bundle(bundle_sio)
 
999
        revision_info = bundle.revisions[0]
 
1000
        self.assertEqual(b'rev1', revision_info.revision_id)
 
1001
        rev = revision_info.as_revision()
 
1002
        self.assertEqual({'branch-nick': 'tree', 'empty': '', 'one': 'two'},
 
1003
                         rev.properties)
 
1004
 
 
1005
    def test_bundle_sorted_properties(self):
 
1006
        """For stability the writer should write properties in sorted order."""
 
1007
        tree = self.make_branch_and_memory_tree('tree')
 
1008
        tree.lock_write()
 
1009
        self.addCleanup(tree.unlock)
 
1010
 
 
1011
        tree.add([''], [b'TREE_ROOT'])
 
1012
        tree.commit('One', rev_id=b'rev1',
 
1013
                    revprops={u'a': '4', u'b': '3', u'c': '2', u'd': '1'})
 
1014
        self.b1 = tree.branch
 
1015
        bundle_sio, revision_ids = self.create_bundle_text(b'null:', b'rev1')
 
1016
        bundle = read_bundle(bundle_sio)
 
1017
        revision_info = bundle.revisions[0]
 
1018
        self.assertEqual(b'rev1', revision_info.revision_id)
 
1019
        rev = revision_info.as_revision()
 
1020
        self.assertEqual({'branch-nick': 'tree', 'a': '4', 'b': '3', 'c': '2',
 
1021
                          'd': '1'}, rev.properties)
 
1022
 
 
1023
    def test_bundle_unicode_properties(self):
 
1024
        """We should be able to round trip a non-ascii property."""
 
1025
        tree = self.make_branch_and_memory_tree('tree')
 
1026
        tree.lock_write()
 
1027
        self.addCleanup(tree.unlock)
 
1028
 
 
1029
        tree.add([''], [b'TREE_ROOT'])
 
1030
        # Revisions themselves do not require anything about revision property
 
1031
        # keys, other than that they are a basestring, and do not contain
 
1032
        # whitespace.
 
1033
        # However, Testaments assert than they are str(), and thus should not
 
1034
        # be Unicode.
 
1035
        tree.commit('One', rev_id=b'rev1',
 
1036
                    revprops={u'omega': u'\u03a9', u'alpha': u'\u03b1'})
 
1037
        self.b1 = tree.branch
 
1038
        bundle_sio, revision_ids = self.create_bundle_text(b'null:', b'rev1')
 
1039
        bundle = read_bundle(bundle_sio)
 
1040
        revision_info = bundle.revisions[0]
 
1041
        self.assertEqual(b'rev1', revision_info.revision_id)
 
1042
        rev = revision_info.as_revision()
 
1043
        self.assertEqual({'branch-nick': 'tree', 'omega': u'\u03a9',
 
1044
                          'alpha': u'\u03b1'}, rev.properties)
 
1045
 
 
1046
    def test_bundle_with_ghosts(self):
 
1047
        tree = self.make_branch_and_tree('tree')
 
1048
        self.b1 = tree.branch
 
1049
        self.build_tree_contents([('tree/file', b'content1')])
 
1050
        tree.add(['file'])
 
1051
        tree.commit('rev1')
 
1052
        self.build_tree_contents([('tree/file', b'content2')])
 
1053
        tree.add_parent_tree_id(b'ghost')
 
1054
        tree.commit('rev2', rev_id=b'rev2')
 
1055
        bundle = self.get_valid_bundle(b'null:', b'rev2')
 
1056
 
 
1057
    def make_simple_tree(self, format=None):
 
1058
        tree = self.make_branch_and_tree('b1', format=format)
 
1059
        self.b1 = tree.branch
 
1060
        self.build_tree(['b1/file'])
 
1061
        tree.add('file')
 
1062
        return tree
 
1063
 
 
1064
    def test_across_serializers(self):
 
1065
        tree = self.make_simple_tree('knit')
 
1066
        tree.commit('hello', rev_id=b'rev1')
 
1067
        tree.commit('hello', rev_id=b'rev2')
 
1068
        bundle = read_bundle(self.create_bundle_text(b'null:', b'rev2')[0])
 
1069
        repo = self.make_repository('repo', format='dirstate-with-subtree')
 
1070
        bundle.install_revisions(repo)
 
1071
        inv_text = repo._get_inventory_xml(b'rev2')
 
1072
        self.assertNotContainsRe(inv_text, b'format="5"')
 
1073
        self.assertContainsRe(inv_text, b'format="7"')
 
1074
 
 
1075
    def make_repo_with_installed_revisions(self):
 
1076
        tree = self.make_simple_tree('knit')
 
1077
        tree.commit('hello', rev_id=b'rev1')
 
1078
        tree.commit('hello', rev_id=b'rev2')
 
1079
        bundle = read_bundle(self.create_bundle_text(b'null:', b'rev2')[0])
 
1080
        repo = self.make_repository('repo', format='dirstate-with-subtree')
 
1081
        bundle.install_revisions(repo)
 
1082
        return repo
 
1083
 
 
1084
    def test_across_models(self):
 
1085
        repo = self.make_repo_with_installed_revisions()
 
1086
        inv = repo.get_inventory(b'rev2')
 
1087
        self.assertEqual(b'rev2', inv.root.revision)
 
1088
        root_id = inv.root.file_id
 
1089
        repo.lock_read()
 
1090
        self.addCleanup(repo.unlock)
 
1091
        self.assertEqual({(root_id, b'rev1'): (),
 
1092
                          (root_id, b'rev2'): ((root_id, b'rev1'),)},
 
1093
                         repo.texts.get_parent_map([(root_id, b'rev1'), (root_id, b'rev2')]))
 
1094
 
 
1095
    def test_inv_hash_across_serializers(self):
 
1096
        repo = self.make_repo_with_installed_revisions()
 
1097
        recorded_inv_sha1 = repo.get_revision(b'rev2').inventory_sha1
 
1098
        xml = repo._get_inventory_xml(b'rev2')
 
1099
        self.assertEqual(osutils.sha_string(xml), recorded_inv_sha1)
 
1100
 
 
1101
    def test_across_models_incompatible(self):
 
1102
        tree = self.make_simple_tree('dirstate-with-subtree')
 
1103
        tree.commit('hello', rev_id=b'rev1')
 
1104
        tree.commit('hello', rev_id=b'rev2')
 
1105
        try:
 
1106
            bundle = read_bundle(self.create_bundle_text(b'null:', b'rev1')[0])
 
1107
        except errors.IncompatibleBundleFormat:
 
1108
            raise tests.TestSkipped("Format 0.8 doesn't work with knit3")
 
1109
        repo = self.make_repository('repo', format='knit')
 
1110
        bundle.install_revisions(repo)
 
1111
 
 
1112
        bundle = read_bundle(self.create_bundle_text(b'null:', b'rev2')[0])
 
1113
        self.assertRaises(errors.IncompatibleRevision,
 
1114
                          bundle.install_revisions, repo)
 
1115
 
 
1116
    def test_get_merge_request(self):
 
1117
        tree = self.make_simple_tree()
 
1118
        tree.commit('hello', rev_id=b'rev1')
 
1119
        tree.commit('hello', rev_id=b'rev2')
 
1120
        bundle = read_bundle(self.create_bundle_text(b'null:', b'rev1')[0])
 
1121
        result = bundle.get_merge_request(tree.branch.repository)
 
1122
        self.assertEqual((None, b'rev1', 'inapplicable'), result)
 
1123
 
 
1124
    def test_with_subtree(self):
 
1125
        tree = self.make_branch_and_tree('tree',
 
1126
                                         format='dirstate-with-subtree')
 
1127
        self.b1 = tree.branch
 
1128
        subtree = self.make_branch_and_tree('tree/subtree',
 
1129
                                            format='dirstate-with-subtree')
 
1130
        tree.add('subtree')
 
1131
        tree.commit('hello', rev_id=b'rev1')
 
1132
        try:
 
1133
            bundle = read_bundle(self.create_bundle_text(b'null:', b'rev1')[0])
 
1134
        except errors.IncompatibleBundleFormat:
 
1135
            raise tests.TestSkipped("Format 0.8 doesn't work with knit3")
 
1136
        if isinstance(bundle, v09.BundleInfo09):
 
1137
            raise tests.TestSkipped("Format 0.9 doesn't work with subtrees")
 
1138
        repo = self.make_repository('repo', format='knit')
 
1139
        self.assertRaises(errors.IncompatibleRevision,
 
1140
                          bundle.install_revisions, repo)
 
1141
        repo2 = self.make_repository('repo2', format='dirstate-with-subtree')
 
1142
        bundle.install_revisions(repo2)
 
1143
 
 
1144
    def test_revision_id_with_slash(self):
 
1145
        self.tree1 = self.make_branch_and_tree('tree')
 
1146
        self.b1 = self.tree1.branch
 
1147
        try:
 
1148
            self.tree1.commit('Revision/id/with/slashes', rev_id=b'rev/id')
 
1149
        except ValueError:
 
1150
            raise tests.TestSkipped(
 
1151
                "Repository doesn't support revision ids with slashes")
 
1152
        bundle = self.get_valid_bundle(b'null:', b'rev/id')
 
1153
 
 
1154
    def test_skip_file(self):
 
1155
        """Make sure we don't accidentally write to the wrong versionedfile"""
 
1156
        self.tree1 = self.make_branch_and_tree('tree')
 
1157
        self.b1 = self.tree1.branch
 
1158
        # rev1 is not present in bundle, done by fetch
 
1159
        self.build_tree_contents([('tree/file2', b'contents1')])
 
1160
        self.tree1.add('file2', b'file2-id')
 
1161
        self.tree1.commit('rev1', rev_id=b'reva')
 
1162
        self.build_tree_contents([('tree/file3', b'contents2')])
 
1163
        # rev2 is present in bundle, and done by fetch
 
1164
        # having file1 in the bunle causes file1's versionedfile to be opened.
 
1165
        self.tree1.add('file3', b'file3-id')
 
1166
        rev2 = self.tree1.commit('rev2')
 
1167
        # Updating file2 should not cause an attempt to add to file1's vf
 
1168
        target = self.tree1.controldir.sprout('target').open_workingtree()
 
1169
        self.build_tree_contents([('tree/file2', b'contents3')])
 
1170
        self.tree1.commit('rev3', rev_id=b'rev3')
 
1171
        bundle = self.get_valid_bundle(b'reva', b'rev3')
 
1172
        if getattr(bundle, 'get_bundle_reader', None) is None:
 
1173
            raise tests.TestSkipped('Bundle format cannot provide reader')
 
1174
        file_ids = set(
 
1175
            (f, r) for b, m, k, r, f in bundle.get_bundle_reader().iter_records()
 
1176
            if f is not None)
 
1177
        self.assertEqual(
 
1178
            {(b'file2-id', b'rev3'), (b'file3-id', rev2)}, file_ids)
 
1179
        bundle.install_revisions(target.branch.repository)
 
1180
 
 
1181
 
 
1182
class V08BundleTester(BundleTester, tests.TestCaseWithTransport):
 
1183
 
 
1184
    format = '0.8'
 
1185
 
 
1186
    def test_bundle_empty_property(self):
 
1187
        """Test serializing revision properties with an empty value."""
 
1188
        tree = self.make_branch_and_memory_tree('tree')
 
1189
        tree.lock_write()
 
1190
        self.addCleanup(tree.unlock)
 
1191
        tree.add([''], [b'TREE_ROOT'])
 
1192
        tree.commit('One', revprops={u'one': 'two',
 
1193
                                     u'empty': ''}, rev_id=b'rev1')
 
1194
        self.b1 = tree.branch
 
1195
        bundle_sio, revision_ids = self.create_bundle_text(b'null:', b'rev1')
 
1196
        self.assertContainsRe(bundle_sio.getvalue(),
 
1197
                              b'# properties:\n'
 
1198
                              b'#   branch-nick: tree\n'
 
1199
                              b'#   empty: \n'
 
1200
                              b'#   one: two\n'
 
1201
                              )
 
1202
        bundle = read_bundle(bundle_sio)
 
1203
        revision_info = bundle.revisions[0]
 
1204
        self.assertEqual(b'rev1', revision_info.revision_id)
 
1205
        rev = revision_info.as_revision()
 
1206
        self.assertEqual({'branch-nick': 'tree', 'empty': '', 'one': 'two'},
 
1207
                         rev.properties)
 
1208
 
 
1209
    def get_bundle_tree(self, bundle, revision_id):
 
1210
        repository = self.make_repository('repo')
 
1211
        return bundle.revision_tree(repository, b'revid1')
 
1212
 
 
1213
    def test_bundle_empty_property_alt(self):
 
1214
        """Test serializing revision properties with an empty value.
 
1215
 
 
1216
        Older readers had a bug when reading an empty property.
 
1217
        They assumed that all keys ended in ': \n'. However they would write an
 
1218
        empty value as ':\n'. This tests make sure that all newer bzr versions
 
1219
        can handle th second form.
 
1220
        """
 
1221
        tree = self.make_branch_and_memory_tree('tree')
 
1222
        tree.lock_write()
 
1223
        self.addCleanup(tree.unlock)
 
1224
        tree.add([''], [b'TREE_ROOT'])
 
1225
        tree.commit('One', revprops={u'one': 'two',
 
1226
                                     u'empty': ''}, rev_id=b'rev1')
 
1227
        self.b1 = tree.branch
 
1228
        bundle_sio, revision_ids = self.create_bundle_text(b'null:', b'rev1')
 
1229
        txt = bundle_sio.getvalue()
 
1230
        loc = txt.find(b'#   empty: ') + len(b'#   empty:')
 
1231
        # Create a new bundle, which strips the trailing space after empty
 
1232
        bundle_sio = BytesIO(txt[:loc] + txt[loc + 1:])
 
1233
 
 
1234
        self.assertContainsRe(bundle_sio.getvalue(),
 
1235
                              b'# properties:\n'
 
1236
                              b'#   branch-nick: tree\n'
 
1237
                              b'#   empty:\n'
 
1238
                              b'#   one: two\n'
 
1239
                              )
 
1240
        bundle = read_bundle(bundle_sio)
 
1241
        revision_info = bundle.revisions[0]
 
1242
        self.assertEqual(b'rev1', revision_info.revision_id)
 
1243
        rev = revision_info.as_revision()
 
1244
        self.assertEqual({'branch-nick': 'tree', 'empty': '', 'one': 'two'},
 
1245
                         rev.properties)
 
1246
 
 
1247
    def test_bundle_sorted_properties(self):
 
1248
        """For stability the writer should write properties in sorted order."""
 
1249
        tree = self.make_branch_and_memory_tree('tree')
 
1250
        tree.lock_write()
 
1251
        self.addCleanup(tree.unlock)
 
1252
 
 
1253
        tree.add([''], [b'TREE_ROOT'])
 
1254
        tree.commit('One', rev_id=b'rev1',
 
1255
                    revprops={u'a': '4', u'b': '3', u'c': '2', u'd': '1'})
 
1256
        self.b1 = tree.branch
 
1257
        bundle_sio, revision_ids = self.create_bundle_text(b'null:', b'rev1')
 
1258
        self.assertContainsRe(bundle_sio.getvalue(),
 
1259
                              b'# properties:\n'
 
1260
                              b'#   a: 4\n'
 
1261
                              b'#   b: 3\n'
 
1262
                              b'#   branch-nick: tree\n'
 
1263
                              b'#   c: 2\n'
 
1264
                              b'#   d: 1\n'
 
1265
                              )
 
1266
        bundle = read_bundle(bundle_sio)
 
1267
        revision_info = bundle.revisions[0]
 
1268
        self.assertEqual(b'rev1', revision_info.revision_id)
 
1269
        rev = revision_info.as_revision()
 
1270
        self.assertEqual({'branch-nick': 'tree', 'a': '4', 'b': '3', 'c': '2',
 
1271
                          'd': '1'}, rev.properties)
 
1272
 
 
1273
    def test_bundle_unicode_properties(self):
 
1274
        """We should be able to round trip a non-ascii property."""
 
1275
        tree = self.make_branch_and_memory_tree('tree')
 
1276
        tree.lock_write()
 
1277
        self.addCleanup(tree.unlock)
 
1278
 
 
1279
        tree.add([''], [b'TREE_ROOT'])
 
1280
        # Revisions themselves do not require anything about revision property
 
1281
        # keys, other than that they are a basestring, and do not contain
 
1282
        # whitespace.
 
1283
        # However, Testaments assert than they are str(), and thus should not
 
1284
        # be Unicode.
 
1285
        tree.commit('One', rev_id=b'rev1',
 
1286
                    revprops={u'omega': u'\u03a9', u'alpha': u'\u03b1'})
 
1287
        self.b1 = tree.branch
 
1288
        bundle_sio, revision_ids = self.create_bundle_text(b'null:', b'rev1')
 
1289
        self.assertContainsRe(bundle_sio.getvalue(),
 
1290
                              b'# properties:\n'
 
1291
                              b'#   alpha: \xce\xb1\n'
 
1292
                              b'#   branch-nick: tree\n'
 
1293
                              b'#   omega: \xce\xa9\n'
 
1294
                              )
 
1295
        bundle = read_bundle(bundle_sio)
 
1296
        revision_info = bundle.revisions[0]
 
1297
        self.assertEqual(b'rev1', revision_info.revision_id)
 
1298
        rev = revision_info.as_revision()
 
1299
        self.assertEqual({'branch-nick': 'tree', 'omega': u'\u03a9',
 
1300
                          'alpha': u'\u03b1'}, rev.properties)
 
1301
 
 
1302
 
 
1303
class V09BundleKnit2Tester(V08BundleTester):
 
1304
 
 
1305
    format = '0.9'
 
1306
 
 
1307
    def bzrdir_format(self):
 
1308
        format = bzrdir.BzrDirMetaFormat1()
 
1309
        format.repository_format = knitrepo.RepositoryFormatKnit3()
 
1310
        return format
 
1311
 
 
1312
 
 
1313
class V09BundleKnit1Tester(V08BundleTester):
 
1314
 
 
1315
    format = '0.9'
 
1316
 
 
1317
    def bzrdir_format(self):
 
1318
        format = bzrdir.BzrDirMetaFormat1()
 
1319
        format.repository_format = knitrepo.RepositoryFormatKnit1()
 
1320
        return format
 
1321
 
 
1322
 
 
1323
class V4BundleTester(BundleTester, tests.TestCaseWithTransport):
 
1324
 
 
1325
    format = '4'
 
1326
 
 
1327
    def get_valid_bundle(self, base_rev_id, rev_id, checkout_dir=None):
 
1328
        """Create a bundle from base_rev_id -> rev_id in built-in branch.
 
1329
        Make sure that the text generated is valid, and that it
 
1330
        can be applied against the base, and generate the same information.
 
1331
 
 
1332
        :return: The in-memory bundle
 
1333
        """
 
1334
        bundle_txt, rev_ids = self.create_bundle_text(base_rev_id, rev_id)
 
1335
 
 
1336
        # This should also validate the generated bundle
 
1337
        bundle = read_bundle(bundle_txt)
 
1338
        repository = self.b1.repository
 
1339
        for bundle_rev in bundle.real_revisions:
 
1340
            # These really should have already been checked when we read the
 
1341
            # bundle, since it computes the sha1 hash for the revision, which
 
1342
            # only will match if everything is okay, but lets be explicit about
 
1343
            # it
 
1344
            branch_rev = repository.get_revision(bundle_rev.revision_id)
 
1345
            for a in ('inventory_sha1', 'revision_id', 'parent_ids',
 
1346
                      'timestamp', 'timezone', 'message', 'committer',
 
1347
                      'parent_ids', 'properties'):
 
1348
                self.assertEqual(getattr(branch_rev, a),
 
1349
                                 getattr(bundle_rev, a))
 
1350
            self.assertEqual(len(branch_rev.parent_ids),
 
1351
                             len(bundle_rev.parent_ids))
 
1352
        self.assertEqual(set(rev_ids),
 
1353
                         {r.revision_id for r in bundle.real_revisions})
 
1354
        self.valid_apply_bundle(base_rev_id, bundle,
 
1355
                                checkout_dir=checkout_dir)
 
1356
 
 
1357
        return bundle
 
1358
 
 
1359
    def get_invalid_bundle(self, base_rev_id, rev_id):
 
1360
        """Create a bundle from base_rev_id -> rev_id in built-in branch.
 
1361
        Munge the text so that it's invalid.
 
1362
 
 
1363
        :return: The in-memory bundle
 
1364
        """
 
1365
        from ..bundle import serializer
 
1366
        bundle_txt, rev_ids = self.create_bundle_text(base_rev_id, rev_id)
 
1367
        new_text = self.get_raw(BytesIO(b''.join(bundle_txt)))
 
1368
        new_text = new_text.replace(b'<file file_id="exe-1"',
 
1369
                                    b'<file executable="y" file_id="exe-1"')
 
1370
        new_text = new_text.replace(b'B260', b'B275')
 
1371
        bundle_txt = BytesIO()
 
1372
        bundle_txt.write(serializer._get_bundle_header('4'))
 
1373
        bundle_txt.write(b'\n')
 
1374
        bundle_txt.write(bz2.compress(new_text))
 
1375
        bundle_txt.seek(0)
 
1376
        bundle = read_bundle(bundle_txt)
 
1377
        self.valid_apply_bundle(base_rev_id, bundle)
 
1378
        return bundle
 
1379
 
 
1380
    def create_bundle_text(self, base_rev_id, rev_id):
 
1381
        bundle_txt = BytesIO()
 
1382
        rev_ids = write_bundle(self.b1.repository, rev_id, base_rev_id,
 
1383
                               bundle_txt, format=self.format)
 
1384
        bundle_txt.seek(0)
 
1385
        self.assertEqual(bundle_txt.readline(),
 
1386
                         b'# Bazaar revision bundle v%s\n' % self.format.encode('ascii'))
 
1387
        self.assertEqual(bundle_txt.readline(), b'#\n')
 
1388
        rev = self.b1.repository.get_revision(rev_id)
 
1389
        bundle_txt.seek(0)
 
1390
        return bundle_txt, rev_ids
 
1391
 
 
1392
    def get_bundle_tree(self, bundle, revision_id):
 
1393
        repository = self.make_repository('repo')
 
1394
        bundle.install_revisions(repository)
 
1395
        return repository.revision_tree(revision_id)
 
1396
 
 
1397
    def test_creation(self):
 
1398
        tree = self.make_branch_and_tree('tree')
 
1399
        self.build_tree_contents([('tree/file', b'contents1\nstatic\n')])
 
1400
        tree.add('file', b'fileid-2')
 
1401
        tree.commit('added file', rev_id=b'rev1')
 
1402
        self.build_tree_contents([('tree/file', b'contents2\nstatic\n')])
 
1403
        tree.commit('changed file', rev_id=b'rev2')
 
1404
        s = BytesIO()
 
1405
        serializer = BundleSerializerV4('1.0')
 
1406
        with tree.lock_read():
 
1407
            serializer.write_bundle(
 
1408
                tree.branch.repository, b'rev2', b'null:', s)
 
1409
        s.seek(0)
 
1410
        tree2 = self.make_branch_and_tree('target')
 
1411
        target_repo = tree2.branch.repository
 
1412
        install_bundle(target_repo, serializer.read(s))
 
1413
        target_repo.lock_read()
 
1414
        self.addCleanup(target_repo.unlock)
 
1415
        # Turn the 'iterators_of_bytes' back into simple strings for comparison
 
1416
        repo_texts = dict((i, b''.join(content)) for i, content
 
1417
                          in target_repo.iter_files_bytes(
 
1418
            [(b'fileid-2', b'rev1', '1'),
 
1419
             (b'fileid-2', b'rev2', '2')]))
 
1420
        self.assertEqual({'1': b'contents1\nstatic\n',
 
1421
                          '2': b'contents2\nstatic\n'},
 
1422
                         repo_texts)
 
1423
        rtree = target_repo.revision_tree(b'rev2')
 
1424
        inventory_vf = target_repo.inventories
 
1425
        # If the inventory store has a graph, it must match the revision graph.
 
1426
        self.assertSubset(
 
1427
            [inventory_vf.get_parent_map([(b'rev2',)])[(b'rev2',)]],
 
1428
            [None, ((b'rev1',),)])
 
1429
        self.assertEqual('changed file',
 
1430
                         target_repo.get_revision(b'rev2').message)
 
1431
 
 
1432
    @staticmethod
 
1433
    def get_raw(bundle_file):
 
1434
        bundle_file.seek(0)
 
1435
        line = bundle_file.readline()
 
1436
        line = bundle_file.readline()
 
1437
        lines = bundle_file.readlines()
 
1438
        return bz2.decompress(b''.join(lines))
 
1439
 
 
1440
    def test_copy_signatures(self):
 
1441
        tree_a = self.make_branch_and_tree('tree_a')
 
1442
        import breezy.gpg
 
1443
        import breezy.commit as commit
 
1444
        oldstrategy = breezy.gpg.GPGStrategy
 
1445
        branch = tree_a.branch
 
1446
        repo_a = branch.repository
 
1447
        tree_a.commit("base", allow_pointless=True, rev_id=b'A')
 
1448
        self.assertFalse(branch.repository.has_signature_for_revision_id(b'A'))
 
1449
        try:
 
1450
            from ..bzr.testament import Testament
 
1451
            # monkey patch gpg signing mechanism
 
1452
            breezy.gpg.GPGStrategy = breezy.gpg.LoopbackGPGStrategy
 
1453
            new_config = test_commit.MustSignConfig()
 
1454
            commit.Commit(config_stack=new_config).commit(message="base",
 
1455
                                                          allow_pointless=True,
 
1456
                                                          rev_id=b'B',
 
1457
                                                          working_tree=tree_a)
 
1458
 
 
1459
            def sign(text):
 
1460
                return breezy.gpg.LoopbackGPGStrategy(None).sign(text)
 
1461
            self.assertTrue(repo_a.has_signature_for_revision_id(b'B'))
 
1462
        finally:
 
1463
            breezy.gpg.GPGStrategy = oldstrategy
 
1464
        tree_b = self.make_branch_and_tree('tree_b')
 
1465
        repo_b = tree_b.branch.repository
 
1466
        s = BytesIO()
 
1467
        serializer = BundleSerializerV4('4')
 
1468
        with tree_a.lock_read():
 
1469
            serializer.write_bundle(
 
1470
                tree_a.branch.repository, b'B', b'null:', s)
 
1471
        s.seek(0)
 
1472
        install_bundle(repo_b, serializer.read(s))
 
1473
        self.assertTrue(repo_b.has_signature_for_revision_id(b'B'))
 
1474
        self.assertEqual(repo_b.get_signature_text(b'B'),
 
1475
                         repo_a.get_signature_text(b'B'))
 
1476
        s.seek(0)
 
1477
        # ensure repeat installs are harmless
 
1478
        install_bundle(repo_b, serializer.read(s))
 
1479
 
 
1480
 
 
1481
class V4_2aBundleTester(V4BundleTester):
 
1482
 
 
1483
    def bzrdir_format(self):
 
1484
        return '2a'
 
1485
 
 
1486
    def get_invalid_bundle(self, base_rev_id, rev_id):
 
1487
        """Create a bundle from base_rev_id -> rev_id in built-in branch.
 
1488
        Munge the text so that it's invalid.
 
1489
 
 
1490
        :return: The in-memory bundle
 
1491
        """
 
1492
        from ..bundle import serializer
 
1493
        bundle_txt, rev_ids = self.create_bundle_text(base_rev_id, rev_id)
 
1494
        new_text = self.get_raw(BytesIO(b''.join(bundle_txt)))
 
1495
        # We are going to be replacing some text to set the executable bit on a
 
1496
        # file. Make sure the text replacement actually works correctly.
 
1497
        self.assertContainsRe(new_text, b'(?m)B244\n\ni 1\n<inventory')
 
1498
        new_text = new_text.replace(b'<file file_id="exe-1"',
 
1499
                                    b'<file executable="y" file_id="exe-1"')
 
1500
        new_text = new_text.replace(b'B244', b'B259')
 
1501
        bundle_txt = BytesIO()
 
1502
        bundle_txt.write(serializer._get_bundle_header('4'))
 
1503
        bundle_txt.write(b'\n')
 
1504
        bundle_txt.write(bz2.compress(new_text))
 
1505
        bundle_txt.seek(0)
 
1506
        bundle = read_bundle(bundle_txt)
 
1507
        self.valid_apply_bundle(base_rev_id, bundle)
 
1508
        return bundle
 
1509
 
 
1510
    def make_merged_branch(self):
 
1511
        builder = self.make_branch_builder('source')
 
1512
        builder.start_series()
 
1513
        builder.build_snapshot(None, [
 
1514
            ('add', ('', b'root-id', 'directory', None)),
 
1515
            ('add', ('file', b'file-id', 'file', b'original content\n')),
 
1516
            ], revision_id=b'a@cset-0-1')
 
1517
        builder.build_snapshot([b'a@cset-0-1'], [
 
1518
            ('modify', ('file', b'new-content\n')),
 
1519
            ], revision_id=b'a@cset-0-2a')
 
1520
        builder.build_snapshot([b'a@cset-0-1'], [
 
1521
            ('add', ('other-file', b'file2-id', 'file', b'file2-content\n')),
 
1522
            ], revision_id=b'a@cset-0-2b')
 
1523
        builder.build_snapshot([b'a@cset-0-2a', b'a@cset-0-2b'], [
 
1524
            ('add', ('other-file', b'file2-id', 'file', b'file2-content\n')),
 
1525
            ], revision_id=b'a@cset-0-3')
 
1526
        builder.finish_series()
 
1527
        self.b1 = builder.get_branch()
 
1528
        self.b1.lock_read()
 
1529
        self.addCleanup(self.b1.unlock)
 
1530
 
 
1531
    def make_bundle_just_inventories(self, base_revision_id,
 
1532
                                     target_revision_id,
 
1533
                                     revision_ids):
 
1534
        sio = BytesIO()
 
1535
        writer = v4.BundleWriteOperation(base_revision_id, target_revision_id,
 
1536
                                         self.b1.repository, sio)
 
1537
        writer.bundle.begin()
 
1538
        writer._add_inventory_mpdiffs_from_serializer(revision_ids)
 
1539
        writer.bundle.end()
 
1540
        sio.seek(0)
 
1541
        return sio
 
1542
 
 
1543
    def test_single_inventory_multiple_parents_as_xml(self):
 
1544
        self.make_merged_branch()
 
1545
        sio = self.make_bundle_just_inventories(b'a@cset-0-1', b'a@cset-0-3',
 
1546
                                                [b'a@cset-0-3'])
 
1547
        reader = v4.BundleReader(sio, stream_input=False)
 
1548
        records = list(reader.iter_records())
 
1549
        self.assertEqual(1, len(records))
 
1550
        (bytes, metadata, repo_kind, revision_id,
 
1551
         file_id) = records[0]
 
1552
        self.assertIs(None, file_id)
 
1553
        self.assertEqual(b'a@cset-0-3', revision_id)
 
1554
        self.assertEqual('inventory', repo_kind)
 
1555
        self.assertEqual({b'parents': [b'a@cset-0-2a', b'a@cset-0-2b'],
 
1556
                          b'sha1': b'09c53b0c4de0895e11a2aacc34fef60a6e70865c',
 
1557
                          b'storage_kind': b'mpdiff',
 
1558
                          }, metadata)
 
1559
        # We should have an mpdiff that takes some lines from both parents.
 
1560
        self.assertEqualDiff(
 
1561
            b'i 1\n'
 
1562
            b'<inventory format="10" revision_id="a@cset-0-3">\n'
 
1563
            b'\n'
 
1564
            b'c 0 1 1 2\n'
 
1565
            b'c 1 3 3 2\n', bytes)
 
1566
 
 
1567
    def test_single_inv_no_parents_as_xml(self):
 
1568
        self.make_merged_branch()
 
1569
        sio = self.make_bundle_just_inventories(b'null:', b'a@cset-0-1',
 
1570
                                                [b'a@cset-0-1'])
 
1571
        reader = v4.BundleReader(sio, stream_input=False)
 
1572
        records = list(reader.iter_records())
 
1573
        self.assertEqual(1, len(records))
 
1574
        (bytes, metadata, repo_kind, revision_id,
 
1575
         file_id) = records[0]
 
1576
        self.assertIs(None, file_id)
 
1577
        self.assertEqual(b'a@cset-0-1', revision_id)
 
1578
        self.assertEqual('inventory', repo_kind)
 
1579
        self.assertEqual({b'parents': [],
 
1580
                          b'sha1': b'a13f42b142d544aac9b085c42595d304150e31a2',
 
1581
                          b'storage_kind': b'mpdiff',
 
1582
                          }, metadata)
 
1583
        # We should have an mpdiff that takes some lines from both parents.
 
1584
        self.assertEqualDiff(
 
1585
            b'i 4\n'
 
1586
            b'<inventory format="10" revision_id="a@cset-0-1">\n'
 
1587
            b'<directory file_id="root-id" name=""'
 
1588
            b' revision="a@cset-0-1" />\n'
 
1589
            b'<file file_id="file-id" name="file" parent_id="root-id"'
 
1590
            b' revision="a@cset-0-1"'
 
1591
            b' text_sha1="09c2f8647e14e49e922b955c194102070597c2d1"'
 
1592
            b' text_size="17" />\n'
 
1593
            b'</inventory>\n'
 
1594
            b'\n', bytes)
 
1595
 
 
1596
    def test_multiple_inventories_as_xml(self):
 
1597
        self.make_merged_branch()
 
1598
        sio = self.make_bundle_just_inventories(b'a@cset-0-1', b'a@cset-0-3',
 
1599
                                                [b'a@cset-0-2a', b'a@cset-0-2b', b'a@cset-0-3'])
 
1600
        reader = v4.BundleReader(sio, stream_input=False)
 
1601
        records = list(reader.iter_records())
 
1602
        self.assertEqual(3, len(records))
 
1603
        revision_ids = [rev_id for b, m, k, rev_id, f in records]
 
1604
        self.assertEqual([b'a@cset-0-2a', b'a@cset-0-2b', b'a@cset-0-3'],
 
1605
                         revision_ids)
 
1606
        metadata_2a = records[0][1]
 
1607
        self.assertEqual({b'parents': [b'a@cset-0-1'],
 
1608
                          b'sha1': b'1e105886d62d510763e22885eec733b66f5f09bf',
 
1609
                          b'storage_kind': b'mpdiff',
 
1610
                          }, metadata_2a)
 
1611
        metadata_2b = records[1][1]
 
1612
        self.assertEqual({b'parents': [b'a@cset-0-1'],
 
1613
                          b'sha1': b'f03f12574bdb5ed2204c28636c98a8547544ccd8',
 
1614
                          b'storage_kind': b'mpdiff',
 
1615
                          }, metadata_2b)
 
1616
        metadata_3 = records[2][1]
 
1617
        self.assertEqual({b'parents': [b'a@cset-0-2a', b'a@cset-0-2b'],
 
1618
                          b'sha1': b'09c53b0c4de0895e11a2aacc34fef60a6e70865c',
 
1619
                          b'storage_kind': b'mpdiff',
 
1620
                          }, metadata_3)
 
1621
        bytes_2a = records[0][0]
 
1622
        self.assertEqualDiff(
 
1623
            b'i 1\n'
 
1624
            b'<inventory format="10" revision_id="a@cset-0-2a">\n'
 
1625
            b'\n'
 
1626
            b'c 0 1 1 1\n'
 
1627
            b'i 1\n'
 
1628
            b'<file file_id="file-id" name="file" parent_id="root-id"'
 
1629
            b' revision="a@cset-0-2a"'
 
1630
            b' text_sha1="50f545ff40e57b6924b1f3174b267ffc4576e9a9"'
 
1631
            b' text_size="12" />\n'
 
1632
            b'\n'
 
1633
            b'c 0 3 3 1\n', bytes_2a)
 
1634
        bytes_2b = records[1][0]
 
1635
        self.assertEqualDiff(
 
1636
            b'i 1\n'
 
1637
            b'<inventory format="10" revision_id="a@cset-0-2b">\n'
 
1638
            b'\n'
 
1639
            b'c 0 1 1 2\n'
 
1640
            b'i 1\n'
 
1641
            b'<file file_id="file2-id" name="other-file" parent_id="root-id"'
 
1642
            b' revision="a@cset-0-2b"'
 
1643
            b' text_sha1="b46c0c8ea1e5ef8e46fc8894bfd4752a88ec939e"'
 
1644
            b' text_size="14" />\n'
 
1645
            b'\n'
 
1646
            b'c 0 3 4 1\n', bytes_2b)
 
1647
        bytes_3 = records[2][0]
 
1648
        self.assertEqualDiff(
 
1649
            b'i 1\n'
 
1650
            b'<inventory format="10" revision_id="a@cset-0-3">\n'
 
1651
            b'\n'
 
1652
            b'c 0 1 1 2\n'
 
1653
            b'c 1 3 3 2\n', bytes_3)
 
1654
 
 
1655
    def test_creating_bundle_preserves_chk_pages(self):
 
1656
        self.make_merged_branch()
 
1657
        target = self.b1.controldir.sprout('target',
 
1658
                                           revision_id=b'a@cset-0-2a').open_branch()
 
1659
        bundle_txt, rev_ids = self.create_bundle_text(b'a@cset-0-2a',
 
1660
                                                      b'a@cset-0-3')
 
1661
        self.assertEqual(set([b'a@cset-0-2b', b'a@cset-0-3']), set(rev_ids))
 
1662
        bundle = read_bundle(bundle_txt)
 
1663
        target.lock_write()
 
1664
        self.addCleanup(target.unlock)
 
1665
        install_bundle(target.repository, bundle)
 
1666
        inv1 = next(self.b1.repository.inventories.get_record_stream([
 
1667
            (b'a@cset-0-3',)], 'unordered',
 
1668
            True)).get_bytes_as('fulltext')
 
1669
        inv2 = next(target.repository.inventories.get_record_stream([
 
1670
            (b'a@cset-0-3',)], 'unordered',
 
1671
            True)).get_bytes_as('fulltext')
 
1672
        self.assertEqualDiff(inv1, inv2)
 
1673
 
 
1674
 
 
1675
class MungedBundleTester(object):
 
1676
 
 
1677
    def build_test_bundle(self):
 
1678
        wt = self.make_branch_and_tree('b1')
 
1679
 
 
1680
        self.build_tree(['b1/one'])
 
1681
        wt.add('one')
 
1682
        wt.commit('add one', rev_id=b'a@cset-0-1')
 
1683
        self.build_tree(['b1/two'])
 
1684
        wt.add('two')
 
1685
        wt.commit('add two', rev_id=b'a@cset-0-2',
 
1686
                  revprops={u'branch-nick': 'test'})
 
1687
 
 
1688
        bundle_txt = BytesIO()
 
1689
        rev_ids = write_bundle(wt.branch.repository, b'a@cset-0-2',
 
1690
                               b'a@cset-0-1', bundle_txt, self.format)
 
1691
        self.assertEqual({b'a@cset-0-2'}, set(rev_ids))
 
1692
        bundle_txt.seek(0, 0)
 
1693
        return bundle_txt
 
1694
 
 
1695
    def check_valid(self, bundle):
 
1696
        """Check that after whatever munging, the final object is valid."""
 
1697
        self.assertEqual([b'a@cset-0-2'],
 
1698
                         [r.revision_id for r in bundle.real_revisions])
 
1699
 
 
1700
    def test_extra_whitespace(self):
 
1701
        bundle_txt = self.build_test_bundle()
 
1702
 
 
1703
        # Seek to the end of the file
 
1704
        # Adding one extra newline used to give us
 
1705
        # TypeError: float() argument must be a string or a number
 
1706
        bundle_txt.seek(0, 2)
 
1707
        bundle_txt.write(b'\n')
 
1708
        bundle_txt.seek(0)
 
1709
 
 
1710
        bundle = read_bundle(bundle_txt)
 
1711
        self.check_valid(bundle)
 
1712
 
 
1713
    def test_extra_whitespace_2(self):
 
1714
        bundle_txt = self.build_test_bundle()
 
1715
 
 
1716
        # Seek to the end of the file
 
1717
        # Adding two extra newlines used to give us
 
1718
        # MalformedPatches: The first line of all patches should be ...
 
1719
        bundle_txt.seek(0, 2)
 
1720
        bundle_txt.write(b'\n\n')
 
1721
        bundle_txt.seek(0)
 
1722
 
 
1723
        bundle = read_bundle(bundle_txt)
 
1724
        self.check_valid(bundle)
 
1725
 
 
1726
 
 
1727
class MungedBundleTesterV09(tests.TestCaseWithTransport, MungedBundleTester):
 
1728
 
 
1729
    format = '0.9'
 
1730
 
 
1731
    def test_missing_trailing_whitespace(self):
 
1732
        bundle_txt = self.build_test_bundle()
 
1733
 
 
1734
        # Remove a trailing newline, it shouldn't kill the parser
 
1735
        raw = bundle_txt.getvalue()
 
1736
        # The contents of the bundle don't have to be this, but this
 
1737
        # test is concerned with the exact case where the serializer
 
1738
        # creates a blank line at the end, and fails if that
 
1739
        # line is stripped
 
1740
        self.assertEqual(b'\n\n', raw[-2:])
 
1741
        bundle_txt = BytesIO(raw[:-1])
 
1742
 
 
1743
        bundle = read_bundle(bundle_txt)
 
1744
        self.check_valid(bundle)
 
1745
 
 
1746
    def test_opening_text(self):
 
1747
        bundle_txt = self.build_test_bundle()
 
1748
 
 
1749
        bundle_txt = BytesIO(
 
1750
            b"Some random\nemail comments\n" + bundle_txt.getvalue())
 
1751
 
 
1752
        bundle = read_bundle(bundle_txt)
 
1753
        self.check_valid(bundle)
 
1754
 
 
1755
    def test_trailing_text(self):
 
1756
        bundle_txt = self.build_test_bundle()
 
1757
 
 
1758
        bundle_txt = BytesIO(
 
1759
            bundle_txt.getvalue() + b"Some trailing\nrandom\ntext\n")
 
1760
 
 
1761
        bundle = read_bundle(bundle_txt)
 
1762
        self.check_valid(bundle)
 
1763
 
 
1764
 
 
1765
class MungedBundleTesterV4(tests.TestCaseWithTransport, MungedBundleTester):
 
1766
 
 
1767
    format = '4'
 
1768
 
 
1769
 
 
1770
class TestBundleWriterReader(tests.TestCase):
 
1771
 
 
1772
    def test_roundtrip_record(self):
 
1773
        fileobj = BytesIO()
 
1774
        writer = v4.BundleWriter(fileobj)
 
1775
        writer.begin()
 
1776
        writer.add_info_record({b'foo': b'bar'})
 
1777
        writer._add_record(b"Record body", {b'parents': [b'1', b'3'],
 
1778
                                            b'storage_kind': b'fulltext'}, 'file', b'revid', b'fileid')
 
1779
        writer.end()
 
1780
        fileobj.seek(0)
 
1781
        reader = v4.BundleReader(fileobj, stream_input=True)
 
1782
        record_iter = reader.iter_records()
 
1783
        record = next(record_iter)
 
1784
        self.assertEqual((None, {b'foo': b'bar', b'storage_kind': b'header'},
 
1785
                          'info', None, None), record)
 
1786
        record = next(record_iter)
 
1787
        self.assertEqual((b"Record body", {b'storage_kind': b'fulltext',
 
1788
                                           b'parents': [b'1', b'3']}, 'file', b'revid', b'fileid'),
 
1789
                         record)
 
1790
 
 
1791
    def test_roundtrip_record_memory_hungry(self):
 
1792
        fileobj = BytesIO()
 
1793
        writer = v4.BundleWriter(fileobj)
 
1794
        writer.begin()
 
1795
        writer.add_info_record({b'foo': b'bar'})
 
1796
        writer._add_record(b"Record body", {b'parents': [b'1', b'3'],
 
1797
                                            b'storage_kind': b'fulltext'}, 'file', b'revid', b'fileid')
 
1798
        writer.end()
 
1799
        fileobj.seek(0)
 
1800
        reader = v4.BundleReader(fileobj, stream_input=False)
 
1801
        record_iter = reader.iter_records()
 
1802
        record = next(record_iter)
 
1803
        self.assertEqual((None, {b'foo': b'bar', b'storage_kind': b'header'},
 
1804
                          'info', None, None), record)
 
1805
        record = next(record_iter)
 
1806
        self.assertEqual((b"Record body", {b'storage_kind': b'fulltext',
 
1807
                                           b'parents': [b'1', b'3']}, 'file', b'revid', b'fileid'),
 
1808
                         record)
 
1809
 
 
1810
    def test_encode_name(self):
 
1811
        self.assertEqual(b'revision/rev1',
 
1812
                         v4.BundleWriter.encode_name('revision', b'rev1'))
 
1813
        self.assertEqual(b'file/rev//1/file-id-1',
 
1814
                         v4.BundleWriter.encode_name('file', b'rev/1', b'file-id-1'))
 
1815
        self.assertEqual(b'info',
 
1816
                         v4.BundleWriter.encode_name('info', None, None))
 
1817
 
 
1818
    def test_decode_name(self):
 
1819
        self.assertEqual(('revision', b'rev1', None),
 
1820
                         v4.BundleReader.decode_name(b'revision/rev1'))
 
1821
        self.assertEqual(('file', b'rev/1', b'file-id-1'),
 
1822
                         v4.BundleReader.decode_name(b'file/rev//1/file-id-1'))
 
1823
        self.assertEqual(('info', None, None),
 
1824
                         v4.BundleReader.decode_name(b'info'))
 
1825
 
 
1826
    def test_too_many_names(self):
 
1827
        fileobj = BytesIO()
 
1828
        writer = v4.BundleWriter(fileobj)
 
1829
        writer.begin()
 
1830
        writer.add_info_record({b'foo': b'bar'})
 
1831
        writer._container.add_bytes_record(b'blah', [(b'two', ), (b'names', )])
 
1832
        writer.end()
 
1833
        fileobj.seek(0)
 
1834
        record_iter = v4.BundleReader(fileobj).iter_records()
 
1835
        record = next(record_iter)
 
1836
        self.assertEqual((None, {b'foo': b'bar', b'storage_kind': b'header'},
 
1837
                          'info', None, None), record)
 
1838
        self.assertRaises(errors.BadBundle, next, record_iter)
 
1839
 
 
1840
 
 
1841
class TestReadMergeableFromUrl(tests.TestCaseWithTransport):
 
1842
 
 
1843
    def test_read_mergeable_skips_local(self):
 
1844
        """A local bundle named like the URL should not be read.
 
1845
        """
 
1846
        out, wt = test_read_bundle.create_bundle_file(self)
 
1847
 
 
1848
        class FooService(object):
 
1849
            """A directory service that always returns source"""
 
1850
 
 
1851
            def look_up(self, name, url):
 
1852
                return 'source'
 
1853
        directories.register('foo:', FooService, 'Testing directory service')
 
1854
        self.addCleanup(directories.remove, 'foo:')
 
1855
        self.build_tree_contents([('./foo:bar', out.getvalue())])
 
1856
        self.assertRaises(errors.NotABundle, read_mergeable_from_url,
 
1857
                          'foo:bar')
 
1858
 
 
1859
    def test_infinite_redirects_are_not_a_bundle(self):
 
1860
        """If a URL causes TooManyRedirections then NotABundle is raised.
 
1861
        """
 
1862
        from .blackbox.test_push import RedirectingMemoryServer
 
1863
        server = RedirectingMemoryServer()
 
1864
        self.start_server(server)
 
1865
        url = server.get_url() + 'infinite-loop'
 
1866
        self.assertRaises(errors.NotABundle, read_mergeable_from_url, url)
 
1867
 
 
1868
    def test_smart_server_connection_reset(self):
 
1869
        """If a smart server connection fails during the attempt to read a
 
1870
        bundle, then the ConnectionReset error should be propagated.
 
1871
        """
 
1872
        # Instantiate a server that will provoke a ConnectionReset
 
1873
        sock_server = DisconnectingServer()
 
1874
        self.start_server(sock_server)
 
1875
        # We don't really care what the url is since the server will close the
 
1876
        # connection without interpreting it
 
1877
        url = sock_server.get_url()
 
1878
        self.assertRaises(errors.ConnectionReset, read_mergeable_from_url, url)
 
1879
 
 
1880
 
 
1881
class DisconnectingHandler(socketserver.BaseRequestHandler):
 
1882
    """A request handler that immediately closes any connection made to it."""
 
1883
 
 
1884
    def handle(self):
 
1885
        self.request.close()
 
1886
 
 
1887
 
 
1888
class DisconnectingServer(test_server.TestingTCPServerInAThread):
 
1889
 
 
1890
    def __init__(self):
 
1891
        super(DisconnectingServer, self).__init__(
 
1892
            ('127.0.0.1', 0),
 
1893
            test_server.TestingTCPServer,
 
1894
            DisconnectingHandler)
 
1895
 
 
1896
    def get_url(self):
 
1897
        """Return the url of the server"""
 
1898
        return "bzr://%s:%d/" % self.server.server_address