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Viewing changes to bzrlib/tests/test_workingtree.py

  • Committer: mbp at sourcefrog
  • Date: 2005-03-09 07:14:22 UTC
  • Revision ID: mbp@sourcefrog.net-20050309071421-eb5d3514d415bc4c
write inventory to temporary file and atomically replace

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1
 
# Copyright (C) 2005-2011 Canonical Ltd
2
 
# Authors:  Robert Collins <robert.collins@canonical.com>
3
 
#
4
 
# This program is free software; you can redistribute it and/or modify
5
 
# it under the terms of the GNU General Public License as published by
6
 
# the Free Software Foundation; either version 2 of the License, or
7
 
# (at your option) any later version.
8
 
#
9
 
# This program is distributed in the hope that it will be useful,
10
 
# but WITHOUT ANY WARRANTY; without even the implied warranty of
11
 
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12
 
# GNU General Public License for more details.
13
 
#
14
 
# You should have received a copy of the GNU General Public License
15
 
# along with this program; if not, write to the Free Software
16
 
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17
 
 
18
 
from bzrlib import (
19
 
    bzrdir,
20
 
    conflicts,
21
 
    errors,
22
 
    transport,
23
 
    workingtree,
24
 
    workingtree_3,
25
 
    workingtree_4,
26
 
    )
27
 
from bzrlib.lock import write_locked
28
 
from bzrlib.lockdir import LockDir
29
 
from bzrlib.mutabletree import needs_tree_write_lock
30
 
from bzrlib.tests import TestCase, TestCaseWithTransport, TestSkipped
31
 
from bzrlib.workingtree import (
32
 
    TreeEntry,
33
 
    TreeDirectory,
34
 
    TreeFile,
35
 
    TreeLink,
36
 
    )
37
 
 
38
 
 
39
 
class TestTreeDirectory(TestCaseWithTransport):
40
 
 
41
 
    def test_kind_character(self):
42
 
        self.assertEqual(TreeDirectory().kind_character(), '/')
43
 
 
44
 
 
45
 
class TestTreeEntry(TestCaseWithTransport):
46
 
 
47
 
    def test_kind_character(self):
48
 
        self.assertEqual(TreeEntry().kind_character(), '???')
49
 
 
50
 
 
51
 
class TestTreeFile(TestCaseWithTransport):
52
 
 
53
 
    def test_kind_character(self):
54
 
        self.assertEqual(TreeFile().kind_character(), '')
55
 
 
56
 
 
57
 
class TestTreeLink(TestCaseWithTransport):
58
 
 
59
 
    def test_kind_character(self):
60
 
        self.assertEqual(TreeLink().kind_character(), '')
61
 
 
62
 
 
63
 
class TestDefaultFormat(TestCaseWithTransport):
64
 
 
65
 
    def test_get_set_default_format(self):
66
 
        old_format = workingtree.format_registry.get_default()
67
 
        # default is 6
68
 
        self.assertTrue(isinstance(old_format, workingtree_4.WorkingTreeFormat6))
69
 
        workingtree.format_registry.set_default(SampleTreeFormat())
70
 
        try:
71
 
            # the default branch format is used by the meta dir format
72
 
            # which is not the default bzrdir format at this point
73
 
            dir = bzrdir.BzrDirMetaFormat1().initialize('.')
74
 
            dir.create_repository()
75
 
            dir.create_branch()
76
 
            result = dir.create_workingtree()
77
 
            self.assertEqual(result, 'A tree')
78
 
        finally:
79
 
            workingtree.format_registry.set_default(old_format)
80
 
        self.assertEqual(old_format, workingtree.format_registry.get_default())
81
 
 
82
 
    def test_from_string(self):
83
 
        self.assertIsInstance(
84
 
            SampleTreeFormat.from_string("Sample tree format."),
85
 
            SampleTreeFormat)
86
 
        self.assertRaises(AssertionError,
87
 
            SampleTreeFormat.from_string, "Different format string.")
88
 
 
89
 
    def test_get_set_default_format_by_key(self):
90
 
        old_format = workingtree.format_registry.get_default()
91
 
        # default is 6
92
 
        format = SampleTreeFormat()
93
 
        workingtree.format_registry.register(format)
94
 
        self.addCleanup(workingtree.format_registry.remove, format)
95
 
        self.assertTrue(isinstance(old_format, workingtree_4.WorkingTreeFormat6))
96
 
        workingtree.format_registry.set_default_key(format.get_format_string())
97
 
        try:
98
 
            # the default branch format is used by the meta dir format
99
 
            # which is not the default bzrdir format at this point
100
 
            dir = bzrdir.BzrDirMetaFormat1().initialize('.')
101
 
            dir.create_repository()
102
 
            dir.create_branch()
103
 
            result = dir.create_workingtree()
104
 
            self.assertEqual(result, 'A tree')
105
 
        finally:
106
 
            workingtree.format_registry.set_default_key(
107
 
                old_format.get_format_string())
108
 
        self.assertEqual(old_format, workingtree.format_registry.get_default())
109
 
 
110
 
    def test_open(self):
111
 
        tree = self.make_branch_and_tree('.')
112
 
        open_direct = workingtree.WorkingTree.open('.')
113
 
        self.assertEqual(tree.basedir, open_direct.basedir)
114
 
        open_no_args = workingtree.WorkingTree.open()
115
 
        self.assertEqual(tree.basedir, open_no_args.basedir)
116
 
 
117
 
    def test_open_containing(self):
118
 
        tree = self.make_branch_and_tree('.')
119
 
        open_direct, relpath = workingtree.WorkingTree.open_containing('.')
120
 
        self.assertEqual(tree.basedir, open_direct.basedir)
121
 
        self.assertEqual('', relpath)
122
 
        open_no_args, relpath = workingtree.WorkingTree.open_containing()
123
 
        self.assertEqual(tree.basedir, open_no_args.basedir)
124
 
        self.assertEqual('', relpath)
125
 
        open_subdir, relpath = workingtree.WorkingTree.open_containing('subdir')
126
 
        self.assertEqual(tree.basedir, open_subdir.basedir)
127
 
        self.assertEqual('subdir', relpath)
128
 
 
129
 
 
130
 
class SampleTreeFormat(workingtree.WorkingTreeFormatMetaDir):
131
 
    """A sample format
132
 
 
133
 
    this format is initializable, unsupported to aid in testing the
134
 
    open and open_downlevel routines.
135
 
    """
136
 
 
137
 
    @classmethod
138
 
    def get_format_string(cls):
139
 
        """See WorkingTreeFormat.get_format_string()."""
140
 
        return "Sample tree format."
141
 
 
142
 
    def initialize(self, a_bzrdir, revision_id=None, from_branch=None,
143
 
                   accelerator_tree=None, hardlink=False):
144
 
        """Sample branches cannot be created."""
145
 
        t = a_bzrdir.get_workingtree_transport(self)
146
 
        t.put_bytes('format', self.get_format_string())
147
 
        return 'A tree'
148
 
 
149
 
    def is_supported(self):
150
 
        return False
151
 
 
152
 
    def open(self, transport, _found=False):
153
 
        return "opened tree."
154
 
 
155
 
 
156
 
class SampleExtraTreeFormat(workingtree.WorkingTreeFormat):
157
 
    """A sample format that does not support use in a metadir.
158
 
 
159
 
    """
160
 
 
161
 
    def get_format_string(self):
162
 
        # Not usable in a metadir, so no format string
163
 
        return None
164
 
 
165
 
    def initialize(self, a_bzrdir, revision_id=None, from_branch=None,
166
 
                   accelerator_tree=None, hardlink=False):
167
 
        raise NotImplementedError(self.initialize)
168
 
 
169
 
    def is_supported(self):
170
 
        return False
171
 
 
172
 
    def open(self, transport, _found=False):
173
 
        raise NotImplementedError(self.open)
174
 
 
175
 
 
176
 
class TestWorkingTreeFormat(TestCaseWithTransport):
177
 
    """Tests for the WorkingTreeFormat facility."""
178
 
 
179
 
    def test_find_format_string(self):
180
 
        # is the right format object found for a working tree?
181
 
        branch = self.make_branch('branch')
182
 
        self.assertRaises(errors.NoWorkingTree,
183
 
            workingtree.WorkingTreeFormatMetaDir.find_format_string, branch.bzrdir)
184
 
        transport = branch.bzrdir.get_workingtree_transport(None)
185
 
        transport.mkdir('.')
186
 
        transport.put_bytes("format", "some format name")
187
 
        # The format does not have to be known by Bazaar,
188
 
        # find_format_string just retrieves the name
189
 
        self.assertEquals("some format name",
190
 
            workingtree.WorkingTreeFormatMetaDir.find_format_string(branch.bzrdir))
191
 
 
192
 
    def test_find_format(self):
193
 
        # is the right format object found for a working tree?
194
 
        # create a branch with a few known format objects.
195
 
        self.build_tree(["foo/", "bar/"])
196
 
        def check_format(format, url):
197
 
            dir = format._matchingbzrdir.initialize(url)
198
 
            dir.create_repository()
199
 
            dir.create_branch()
200
 
            format.initialize(dir)
201
 
            t = transport.get_transport(url)
202
 
            found_format = workingtree.WorkingTreeFormatMetaDir.find_format(dir)
203
 
            self.assertIsInstance(found_format, format.__class__)
204
 
        check_format(workingtree_3.WorkingTreeFormat3(), "bar")
205
 
 
206
 
    def test_find_format_no_tree(self):
207
 
        dir = bzrdir.BzrDirMetaFormat1().initialize('.')
208
 
        self.assertRaises(errors.NoWorkingTree,
209
 
                          workingtree.WorkingTreeFormatMetaDir.find_format,
210
 
                          dir)
211
 
 
212
 
    def test_find_format_unknown_format(self):
213
 
        dir = bzrdir.BzrDirMetaFormat1().initialize('.')
214
 
        dir.create_repository()
215
 
        dir.create_branch()
216
 
        SampleTreeFormat().initialize(dir)
217
 
        self.assertRaises(errors.UnknownFormatError,
218
 
                          workingtree.WorkingTreeFormatMetaDir.find_format,
219
 
                          dir)
220
 
 
221
 
    def test_find_format_with_features(self):
222
 
        tree = self.make_branch_and_tree('.', format='2a')
223
 
        tree.update_feature_flags({"name": "necessity"})
224
 
        found_format = workingtree.WorkingTreeFormatMetaDir.find_format(
225
 
            tree.bzrdir)
226
 
        self.assertIsInstance(found_format, workingtree.WorkingTreeFormat)
227
 
        self.assertEquals(found_format.features.get("name"), "necessity")
228
 
        self.assertRaises(errors.MissingFeature, found_format.check_support_status,
229
 
            True)
230
 
        self.addCleanup(workingtree.WorkingTreeFormatMetaDir.unregister_feature,
231
 
            "name")
232
 
        workingtree.WorkingTreeFormatMetaDir.register_feature("name")
233
 
        found_format.check_support_status(True)
234
 
 
235
 
 
236
 
class TestWorkingTreeIterEntriesByDir_wSubtrees(TestCaseWithTransport):
237
 
 
238
 
    def make_simple_tree(self):
239
 
        tree = self.make_branch_and_tree('tree', format='development-subtree')
240
 
        self.build_tree(['tree/a/', 'tree/a/b/', 'tree/a/b/c'])
241
 
        tree.set_root_id('root-id')
242
 
        tree.add(['a', 'a/b', 'a/b/c'], ['a-id', 'b-id', 'c-id'])
243
 
        tree.commit('initial')
244
 
        return tree
245
 
 
246
 
    def test_just_directory(self):
247
 
        tree = self.make_simple_tree()
248
 
        self.assertEqual([('directory', 'root-id'),
249
 
                          ('directory', 'a-id'),
250
 
                          ('directory', 'b-id'),
251
 
                          ('file', 'c-id')],
252
 
                         [(ie.kind, ie.file_id)
253
 
                          for path, ie in tree.iter_entries_by_dir()])
254
 
        subtree = self.make_branch_and_tree('tree/a/b')
255
 
        self.assertEqual([('tree-reference', 'b-id')],
256
 
                         [(ie.kind, ie.file_id)
257
 
                          for path, ie in tree.iter_entries_by_dir(['b-id'])])
258
 
 
259
 
    def test_direct_subtree(self):
260
 
        tree = self.make_simple_tree()
261
 
        subtree = self.make_branch_and_tree('tree/a/b')
262
 
        self.assertEqual([('directory', 'root-id'),
263
 
                          ('directory', 'a-id'),
264
 
                          ('tree-reference', 'b-id')],
265
 
                         [(ie.kind, ie.file_id)
266
 
                          for path, ie in tree.iter_entries_by_dir()])
267
 
 
268
 
    def test_indirect_subtree(self):
269
 
        tree = self.make_simple_tree()
270
 
        subtree = self.make_branch_and_tree('tree/a')
271
 
        self.assertEqual([('directory', 'root-id'),
272
 
                          ('tree-reference', 'a-id')],
273
 
                         [(ie.kind, ie.file_id)
274
 
                          for path, ie in tree.iter_entries_by_dir()])
275
 
 
276
 
 
277
 
class TestWorkingTreeFormatRegistry(TestCase):
278
 
 
279
 
    def setUp(self):
280
 
        super(TestWorkingTreeFormatRegistry, self).setUp()
281
 
        self.registry = workingtree.WorkingTreeFormatRegistry()
282
 
 
283
 
    def test_register_unregister_format(self):
284
 
        format = SampleTreeFormat()
285
 
        self.registry.register(format)
286
 
        self.assertEquals(format, self.registry.get("Sample tree format."))
287
 
        self.registry.remove(format)
288
 
        self.assertRaises(KeyError, self.registry.get, "Sample tree format.")
289
 
 
290
 
    def test_get_all(self):
291
 
        format = SampleTreeFormat()
292
 
        self.assertEquals([], self.registry._get_all())
293
 
        self.registry.register(format)
294
 
        self.assertEquals([format], self.registry._get_all())
295
 
 
296
 
    def test_register_extra(self):
297
 
        format = SampleExtraTreeFormat()
298
 
        self.assertEquals([], self.registry._get_all())
299
 
        self.registry.register_extra(format)
300
 
        self.assertEquals([format], self.registry._get_all())
301
 
 
302
 
    def test_register_extra_lazy(self):
303
 
        self.assertEquals([], self.registry._get_all())
304
 
        self.registry.register_extra_lazy("bzrlib.tests.test_workingtree",
305
 
            "SampleExtraTreeFormat")
306
 
        formats = self.registry._get_all()
307
 
        self.assertEquals(1, len(formats))
308
 
        self.assertIsInstance(formats[0], SampleExtraTreeFormat)
309
 
 
310
 
 
311
 
class TestWorkingTreeFormat3(TestCaseWithTransport):
312
 
    """Tests specific to WorkingTreeFormat3."""
313
 
 
314
 
    def test_disk_layout(self):
315
 
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
316
 
        control.create_repository()
317
 
        control.create_branch()
318
 
        tree = workingtree_3.WorkingTreeFormat3().initialize(control)
319
 
        # we want:
320
 
        # format 'Bazaar-NG Working Tree format 3'
321
 
        # inventory = blank inventory
322
 
        # pending-merges = ''
323
 
        # stat-cache = ??
324
 
        # no inventory.basis yet
325
 
        t = control.get_workingtree_transport(None)
326
 
        self.assertEqualDiff('Bazaar-NG Working Tree format 3',
327
 
                             t.get('format').read())
328
 
        self.assertEqualDiff(t.get('inventory').read(),
329
 
                              '<inventory format="5">\n'
330
 
                              '</inventory>\n',
331
 
                             )
332
 
        self.assertEqualDiff('### bzr hashcache v5\n',
333
 
                             t.get('stat-cache').read())
334
 
        self.assertFalse(t.has('inventory.basis'))
335
 
        # no last-revision file means 'None' or 'NULLREVISION'
336
 
        self.assertFalse(t.has('last-revision'))
337
 
        # TODO RBC 20060210 do a commit, check the inventory.basis is created
338
 
        # correctly and last-revision file becomes present.
339
 
 
340
 
    def test_uses_lockdir(self):
341
 
        """WorkingTreeFormat3 uses its own LockDir:
342
 
 
343
 
            - lock is a directory
344
 
            - when the WorkingTree is locked, LockDir can see that
345
 
        """
346
 
        t = self.get_transport()
347
 
        url = self.get_url()
348
 
        dir = bzrdir.BzrDirMetaFormat1().initialize(url)
349
 
        repo = dir.create_repository()
350
 
        branch = dir.create_branch()
351
 
        try:
352
 
            tree = workingtree_3.WorkingTreeFormat3().initialize(dir)
353
 
        except errors.NotLocalUrl:
354
 
            raise TestSkipped('Not a local URL')
355
 
        self.assertIsDirectory('.bzr', t)
356
 
        self.assertIsDirectory('.bzr/checkout', t)
357
 
        self.assertIsDirectory('.bzr/checkout/lock', t)
358
 
        our_lock = LockDir(t, '.bzr/checkout/lock')
359
 
        self.assertEquals(our_lock.peek(), None)
360
 
        tree.lock_write()
361
 
        self.assertTrue(our_lock.peek())
362
 
        tree.unlock()
363
 
        self.assertEquals(our_lock.peek(), None)
364
 
 
365
 
    def test_missing_pending_merges(self):
366
 
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
367
 
        control.create_repository()
368
 
        control.create_branch()
369
 
        tree = workingtree_3.WorkingTreeFormat3().initialize(control)
370
 
        tree._transport.delete("pending-merges")
371
 
        self.assertEqual([], tree.get_parent_ids())
372
 
 
373
 
 
374
 
class InstrumentedTree(object):
375
 
    """A instrumented tree to check the needs_tree_write_lock decorator."""
376
 
 
377
 
    def __init__(self):
378
 
        self._locks = []
379
 
 
380
 
    def lock_tree_write(self):
381
 
        self._locks.append('t')
382
 
 
383
 
    @needs_tree_write_lock
384
 
    def method_with_tree_write_lock(self, *args, **kwargs):
385
 
        """A lock_tree_write decorated method that returns its arguments."""
386
 
        return args, kwargs
387
 
 
388
 
    @needs_tree_write_lock
389
 
    def method_that_raises(self):
390
 
        """This method causes an exception when called with parameters.
391
 
 
392
 
        This allows the decorator code to be checked - it should still call
393
 
        unlock.
394
 
        """
395
 
 
396
 
    def unlock(self):
397
 
        self._locks.append('u')
398
 
 
399
 
 
400
 
class TestInstrumentedTree(TestCase):
401
 
 
402
 
    def test_needs_tree_write_lock(self):
403
 
        """@needs_tree_write_lock should be semantically transparent."""
404
 
        tree = InstrumentedTree()
405
 
        self.assertEqual(
406
 
            'method_with_tree_write_lock',
407
 
            tree.method_with_tree_write_lock.__name__)
408
 
        self.assertDocstring(
409
 
            "A lock_tree_write decorated method that returns its arguments.",
410
 
            tree.method_with_tree_write_lock)
411
 
        args = (1, 2, 3)
412
 
        kwargs = {'a':'b'}
413
 
        result = tree.method_with_tree_write_lock(1,2,3, a='b')
414
 
        self.assertEqual((args, kwargs), result)
415
 
        self.assertEqual(['t', 'u'], tree._locks)
416
 
        self.assertRaises(TypeError, tree.method_that_raises, 'foo')
417
 
        self.assertEqual(['t', 'u', 't', 'u'], tree._locks)
418
 
 
419
 
 
420
 
class TestRevert(TestCaseWithTransport):
421
 
 
422
 
    def test_revert_conflicts_recursive(self):
423
 
        this_tree = self.make_branch_and_tree('this-tree')
424
 
        self.build_tree_contents([('this-tree/foo/',),
425
 
                                  ('this-tree/foo/bar', 'bar')])
426
 
        this_tree.add(['foo', 'foo/bar'])
427
 
        this_tree.commit('created foo/bar')
428
 
        other_tree = this_tree.bzrdir.sprout('other-tree').open_workingtree()
429
 
        self.build_tree_contents([('other-tree/foo/bar', 'baz')])
430
 
        other_tree.commit('changed bar')
431
 
        self.build_tree_contents([('this-tree/foo/bar', 'qux')])
432
 
        this_tree.commit('changed qux')
433
 
        this_tree.merge_from_branch(other_tree.branch)
434
 
        self.assertEqual(1, len(this_tree.conflicts()))
435
 
        this_tree.revert(['foo'])
436
 
        self.assertEqual(0, len(this_tree.conflicts()))
437
 
 
438
 
 
439
 
class TestAutoResolve(TestCaseWithTransport):
440
 
 
441
 
    def test_auto_resolve(self):
442
 
        base = self.make_branch_and_tree('base')
443
 
        self.build_tree_contents([('base/hello', 'Hello')])
444
 
        base.add('hello', 'hello_id')
445
 
        base.commit('Hello')
446
 
        other = base.bzrdir.sprout('other').open_workingtree()
447
 
        self.build_tree_contents([('other/hello', 'hELLO')])
448
 
        other.commit('Case switch')
449
 
        this = base.bzrdir.sprout('this').open_workingtree()
450
 
        self.assertPathExists('this/hello')
451
 
        self.build_tree_contents([('this/hello', 'Hello World')])
452
 
        this.commit('Add World')
453
 
        this.merge_from_branch(other.branch)
454
 
        self.assertEqual([conflicts.TextConflict('hello', 'hello_id')],
455
 
                         this.conflicts())
456
 
        this.auto_resolve()
457
 
        self.assertEqual([conflicts.TextConflict('hello', 'hello_id')],
458
 
                         this.conflicts())
459
 
        self.build_tree_contents([('this/hello', '<<<<<<<')])
460
 
        this.auto_resolve()
461
 
        self.assertEqual([conflicts.TextConflict('hello', 'hello_id')],
462
 
                         this.conflicts())
463
 
        self.build_tree_contents([('this/hello', '=======')])
464
 
        this.auto_resolve()
465
 
        self.assertEqual([conflicts.TextConflict('hello', 'hello_id')],
466
 
                         this.conflicts())
467
 
        self.build_tree_contents([('this/hello', '\n>>>>>>>')])
468
 
        remaining, resolved = this.auto_resolve()
469
 
        self.assertEqual([conflicts.TextConflict('hello', 'hello_id')],
470
 
                         this.conflicts())
471
 
        self.assertEqual([], resolved)
472
 
        self.build_tree_contents([('this/hello', 'hELLO wORLD')])
473
 
        remaining, resolved = this.auto_resolve()
474
 
        self.assertEqual([], this.conflicts())
475
 
        self.assertEqual([conflicts.TextConflict('hello', 'hello_id')],
476
 
                         resolved)
477
 
        self.assertPathDoesNotExist('this/hello.BASE')
478
 
 
479
 
    def test_auto_resolve_dir(self):
480
 
        tree = self.make_branch_and_tree('tree')
481
 
        self.build_tree(['tree/hello/'])
482
 
        tree.add('hello', 'hello-id')
483
 
        file_conflict = conflicts.TextConflict('file', 'hello-id')
484
 
        tree.set_conflicts(conflicts.ConflictList([file_conflict]))
485
 
        tree.auto_resolve()
486
 
 
487
 
 
488
 
class TestFindTrees(TestCaseWithTransport):
489
 
 
490
 
    def test_find_trees(self):
491
 
        self.make_branch_and_tree('foo')
492
 
        self.make_branch_and_tree('foo/bar')
493
 
        # Sticking a tree inside a control dir is heinous, so let's skip it
494
 
        self.make_branch_and_tree('foo/.bzr/baz')
495
 
        self.make_branch('qux')
496
 
        trees = workingtree.WorkingTree.find_trees('.')
497
 
        self.assertEqual(2, len(list(trees)))
498
 
 
499
 
 
500
 
class TestStoredUncommitted(TestCaseWithTransport):
501
 
 
502
 
    def store_uncommitted(self):
503
 
        tree = self.make_branch_and_tree('tree')
504
 
        tree.commit('get root in there')
505
 
        self.build_tree_contents([('tree/file', 'content')])
506
 
        tree.add('file', 'file-id')
507
 
        tree.store_uncommitted()
508
 
        return tree
509
 
 
510
 
    def test_store_uncommitted(self):
511
 
        self.store_uncommitted()
512
 
        self.assertPathDoesNotExist('tree/file')
513
 
 
514
 
    def test_store_uncommitted_no_change(self):
515
 
        tree = self.make_branch_and_tree('tree')
516
 
        tree.commit('get root in there')
517
 
        tree.store_uncommitted()
518
 
        self.assertIs(None, tree.branch.get_unshelver(tree))
519
 
 
520
 
    def test_restore_uncommitted(self):
521
 
        with write_locked(self.store_uncommitted()) as tree:
522
 
            tree.restore_uncommitted()
523
 
            self.assertPathExists('tree/file')
524
 
            self.assertIs(None, tree.branch.get_unshelver(tree))
525
 
 
526
 
    def test_restore_uncommitted_none(self):
527
 
        tree = self.make_branch_and_tree('tree')
528
 
        tree.restore_uncommitted()