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Viewing changes to bzrlib/tests/test_workingtree.py

  • Committer: Jelmer Vernooij
  • Date: 2011-11-30 20:02:16 UTC
  • mto: This revision was merged to the branch mainline in revision 6333.
  • Revision ID: jelmer@samba.org-20111130200216-aoju21pdl20d1gkd
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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
    symbol_versioning,
 
23
    transport,
 
24
    workingtree,
 
25
    workingtree_3,
 
26
    workingtree_4,
 
27
    )
 
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_get_set_default_format_by_key(self):
 
83
        old_format = workingtree.format_registry.get_default()
 
84
        # default is 6
 
85
        format = SampleTreeFormat()
 
86
        workingtree.format_registry.register(format)
 
87
        self.addCleanup(workingtree.format_registry.remove, format)
 
88
        self.assertTrue(isinstance(old_format, workingtree_4.WorkingTreeFormat6))
 
89
        workingtree.format_registry.set_default_key(format.get_format_string())
 
90
        try:
 
91
            # the default branch format is used by the meta dir format
 
92
            # which is not the default bzrdir format at this point
 
93
            dir = bzrdir.BzrDirMetaFormat1().initialize('.')
 
94
            dir.create_repository()
 
95
            dir.create_branch()
 
96
            result = dir.create_workingtree()
 
97
            self.assertEqual(result, 'A tree')
 
98
        finally:
 
99
            workingtree.format_registry.set_default_key(
 
100
                old_format.get_format_string())
 
101
        self.assertEqual(old_format, workingtree.format_registry.get_default())
 
102
 
 
103
    def test_open(self):
 
104
        tree = self.make_branch_and_tree('.')
 
105
        open_direct = workingtree.WorkingTree.open('.')
 
106
        self.assertEqual(tree.basedir, open_direct.basedir)
 
107
        open_no_args = workingtree.WorkingTree.open()
 
108
        self.assertEqual(tree.basedir, open_no_args.basedir)
 
109
 
 
110
    def test_open_containing(self):
 
111
        tree = self.make_branch_and_tree('.')
 
112
        open_direct, relpath = workingtree.WorkingTree.open_containing('.')
 
113
        self.assertEqual(tree.basedir, open_direct.basedir)
 
114
        self.assertEqual('', relpath)
 
115
        open_no_args, relpath = workingtree.WorkingTree.open_containing()
 
116
        self.assertEqual(tree.basedir, open_no_args.basedir)
 
117
        self.assertEqual('', relpath)
 
118
        open_subdir, relpath = workingtree.WorkingTree.open_containing('subdir')
 
119
        self.assertEqual(tree.basedir, open_subdir.basedir)
 
120
        self.assertEqual('subdir', relpath)
 
121
 
 
122
 
 
123
class SampleTreeFormat(workingtree.WorkingTreeFormat):
 
124
    """A sample format
 
125
 
 
126
    this format is initializable, unsupported to aid in testing the
 
127
    open and open_downlevel routines.
 
128
    """
 
129
 
 
130
    def get_format_string(self):
 
131
        """See WorkingTreeFormat.get_format_string()."""
 
132
        return "Sample tree format."
 
133
 
 
134
    def initialize(self, a_bzrdir, revision_id=None, from_branch=None,
 
135
                   accelerator_tree=None, hardlink=False):
 
136
        """Sample branches cannot be created."""
 
137
        t = a_bzrdir.get_workingtree_transport(self)
 
138
        t.put_bytes('format', self.get_format_string())
 
139
        return 'A tree'
 
140
 
 
141
    def is_supported(self):
 
142
        return False
 
143
 
 
144
    def open(self, transport, _found=False):
 
145
        return "opened tree."
 
146
 
 
147
 
 
148
class SampleExtraTreeFormat(workingtree.WorkingTreeFormat):
 
149
    """A sample format that does not support use in a metadir.
 
150
 
 
151
    """
 
152
 
 
153
    def get_format_string(self):
 
154
        # Not usable in a metadir, so no format string
 
155
        return None
 
156
 
 
157
    def initialize(self, a_bzrdir, revision_id=None, from_branch=None,
 
158
                   accelerator_tree=None, hardlink=False):
 
159
        raise NotImplementedError(self.initialize)
 
160
 
 
161
    def is_supported(self):
 
162
        return False
 
163
 
 
164
    def open(self, transport, _found=False):
 
165
        raise NotImplementedError(self.open)
 
166
 
 
167
 
 
168
class TestWorkingTreeFormat(TestCaseWithTransport):
 
169
    """Tests for the WorkingTreeFormat facility."""
 
170
 
 
171
    def test_find_format_string(self):
 
172
        # is the right format object found for a working tree?
 
173
        branch = self.make_branch('branch')
 
174
        self.assertRaises(errors.NoWorkingTree,
 
175
            workingtree.WorkingTreeFormat.find_format_string, branch.bzrdir)
 
176
        transport = branch.bzrdir.get_workingtree_transport(None)
 
177
        transport.mkdir('.')
 
178
        transport.put_bytes("format", "some format name")
 
179
        # The format does not have to be known by Bazaar,
 
180
        # find_format_string just retrieves the name
 
181
        self.assertEquals("some format name",
 
182
            workingtree.WorkingTreeFormat.find_format_string(branch.bzrdir))
 
183
 
 
184
    def test_find_format(self):
 
185
        # is the right format object found for a working tree?
 
186
        # create a branch with a few known format objects.
 
187
        self.build_tree(["foo/", "bar/"])
 
188
        def check_format(format, url):
 
189
            dir = format._matchingbzrdir.initialize(url)
 
190
            dir.create_repository()
 
191
            dir.create_branch()
 
192
            format.initialize(dir)
 
193
            t = transport.get_transport(url)
 
194
            found_format = workingtree.WorkingTreeFormat.find_format(dir)
 
195
            self.assertIsInstance(found_format, format.__class__)
 
196
        check_format(workingtree_3.WorkingTreeFormat3(), "bar")
 
197
 
 
198
    def test_find_format_no_tree(self):
 
199
        dir = bzrdir.BzrDirMetaFormat1().initialize('.')
 
200
        self.assertRaises(errors.NoWorkingTree,
 
201
                          workingtree.WorkingTreeFormat.find_format,
 
202
                          dir)
 
203
 
 
204
    def test_find_format_unknown_format(self):
 
205
        dir = bzrdir.BzrDirMetaFormat1().initialize('.')
 
206
        dir.create_repository()
 
207
        dir.create_branch()
 
208
        SampleTreeFormat().initialize(dir)
 
209
        self.assertRaises(errors.UnknownFormatError,
 
210
                          workingtree.WorkingTreeFormat.find_format,
 
211
                          dir)
 
212
 
 
213
    def test_register_unregister_format(self):
 
214
        format = SampleTreeFormat()
 
215
        # make a control dir
 
216
        dir = bzrdir.BzrDirMetaFormat1().initialize('.')
 
217
        dir.create_repository()
 
218
        dir.create_branch()
 
219
        # make a branch
 
220
        format.initialize(dir)
 
221
        # register a format for it.
 
222
        self.applyDeprecated(symbol_versioning.deprecated_in((2, 4, 0)),
 
223
            workingtree.WorkingTreeFormat.register_format, format)
 
224
        self.assertTrue(format in 
 
225
            self.applyDeprecated(symbol_versioning.deprecated_in((2, 4, 0)),
 
226
                workingtree.WorkingTreeFormat.get_formats))
 
227
        # which branch.Open will refuse (not supported)
 
228
        self.assertRaises(errors.UnsupportedFormatError, workingtree.WorkingTree.open, '.')
 
229
        # but open_downlevel will work
 
230
        self.assertEqual(format.open(dir), workingtree.WorkingTree.open_downlevel('.'))
 
231
        # unregister the format
 
232
        self.applyDeprecated(symbol_versioning.deprecated_in((2, 4, 0)),
 
233
            workingtree.WorkingTreeFormat.unregister_format, format)
 
234
        self.assertFalse(format in
 
235
            self.applyDeprecated(symbol_versioning.deprecated_in((2, 4, 0)),
 
236
                workingtree.WorkingTreeFormat.get_formats))
 
237
 
 
238
 
 
239
class TestWorkingTreeIterEntriesByDir_wSubtrees(TestCaseWithTransport):
 
240
 
 
241
    def make_simple_tree(self):
 
242
        tree = self.make_branch_and_tree('tree', format='development-subtree')
 
243
        self.build_tree(['tree/a/', 'tree/a/b/', 'tree/a/b/c'])
 
244
        tree.set_root_id('root-id')
 
245
        tree.add(['a', 'a/b', 'a/b/c'], ['a-id', 'b-id', 'c-id'])
 
246
        tree.commit('initial')
 
247
        return tree
 
248
 
 
249
    def test_just_directory(self):
 
250
        tree = self.make_simple_tree()
 
251
        self.assertEqual([('directory', 'root-id'),
 
252
                          ('directory', 'a-id'),
 
253
                          ('directory', 'b-id'),
 
254
                          ('file', 'c-id')],
 
255
                         [(ie.kind, ie.file_id)
 
256
                          for path, ie in tree.iter_entries_by_dir()])
 
257
        subtree = self.make_branch_and_tree('tree/a/b')
 
258
        self.assertEqual([('tree-reference', 'b-id')],
 
259
                         [(ie.kind, ie.file_id)
 
260
                          for path, ie in tree.iter_entries_by_dir(['b-id'])])
 
261
 
 
262
    def test_direct_subtree(self):
 
263
        tree = self.make_simple_tree()
 
264
        subtree = self.make_branch_and_tree('tree/a/b')
 
265
        self.assertEqual([('directory', 'root-id'),
 
266
                          ('directory', 'a-id'),
 
267
                          ('tree-reference', 'b-id')],
 
268
                         [(ie.kind, ie.file_id)
 
269
                          for path, ie in tree.iter_entries_by_dir()])
 
270
 
 
271
    def test_indirect_subtree(self):
 
272
        tree = self.make_simple_tree()
 
273
        subtree = self.make_branch_and_tree('tree/a')
 
274
        self.assertEqual([('directory', 'root-id'),
 
275
                          ('tree-reference', 'a-id')],
 
276
                         [(ie.kind, ie.file_id)
 
277
                          for path, ie in tree.iter_entries_by_dir()])
 
278
 
 
279
 
 
280
class TestWorkingTreeFormatRegistry(TestCase):
 
281
 
 
282
    def setUp(self):
 
283
        super(TestWorkingTreeFormatRegistry, self).setUp()
 
284
        self.registry = workingtree.WorkingTreeFormatRegistry()
 
285
 
 
286
    def test_register_unregister_format(self):
 
287
        format = SampleTreeFormat()
 
288
        self.registry.register(format)
 
289
        self.assertEquals(format, self.registry.get("Sample tree format."))
 
290
        self.registry.remove(format)
 
291
        self.assertRaises(KeyError, self.registry.get, "Sample tree format.")
 
292
 
 
293
    def test_get_all(self):
 
294
        format = SampleTreeFormat()
 
295
        self.assertEquals([], self.registry._get_all())
 
296
        self.registry.register(format)
 
297
        self.assertEquals([format], self.registry._get_all())
 
298
 
 
299
    def test_register_extra(self):
 
300
        format = SampleExtraTreeFormat()
 
301
        self.assertEquals([], self.registry._get_all())
 
302
        self.registry.register_extra(format)
 
303
        self.assertEquals([format], self.registry._get_all())
 
304
 
 
305
    def test_register_extra_lazy(self):
 
306
        self.assertEquals([], self.registry._get_all())
 
307
        self.registry.register_extra_lazy("bzrlib.tests.test_workingtree",
 
308
            "SampleExtraTreeFormat")
 
309
        formats = self.registry._get_all()
 
310
        self.assertEquals(1, len(formats))
 
311
        self.assertIsInstance(formats[0], SampleExtraTreeFormat)
 
312
 
 
313
 
 
314
class TestWorkingTreeFormat3(TestCaseWithTransport):
 
315
    """Tests specific to WorkingTreeFormat3."""
 
316
 
 
317
    def test_disk_layout(self):
 
318
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
319
        control.create_repository()
 
320
        control.create_branch()
 
321
        tree = workingtree_3.WorkingTreeFormat3().initialize(control)
 
322
        # we want:
 
323
        # format 'Bazaar-NG Working Tree format 3'
 
324
        # inventory = blank inventory
 
325
        # pending-merges = ''
 
326
        # stat-cache = ??
 
327
        # no inventory.basis yet
 
328
        t = control.get_workingtree_transport(None)
 
329
        self.assertEqualDiff('Bazaar-NG Working Tree format 3',
 
330
                             t.get('format').read())
 
331
        self.assertEqualDiff(t.get('inventory').read(),
 
332
                              '<inventory format="5">\n'
 
333
                              '</inventory>\n',
 
334
                             )
 
335
        self.assertEqualDiff('### bzr hashcache v5\n',
 
336
                             t.get('stat-cache').read())
 
337
        self.assertFalse(t.has('inventory.basis'))
 
338
        # no last-revision file means 'None' or 'NULLREVISION'
 
339
        self.assertFalse(t.has('last-revision'))
 
340
        # TODO RBC 20060210 do a commit, check the inventory.basis is created
 
341
        # correctly and last-revision file becomes present.
 
342
 
 
343
    def test_uses_lockdir(self):
 
344
        """WorkingTreeFormat3 uses its own LockDir:
 
345
 
 
346
            - lock is a directory
 
347
            - when the WorkingTree is locked, LockDir can see that
 
348
        """
 
349
        t = self.get_transport()
 
350
        url = self.get_url()
 
351
        dir = bzrdir.BzrDirMetaFormat1().initialize(url)
 
352
        repo = dir.create_repository()
 
353
        branch = dir.create_branch()
 
354
        try:
 
355
            tree = workingtree_3.WorkingTreeFormat3().initialize(dir)
 
356
        except errors.NotLocalUrl:
 
357
            raise TestSkipped('Not a local URL')
 
358
        self.assertIsDirectory('.bzr', t)
 
359
        self.assertIsDirectory('.bzr/checkout', t)
 
360
        self.assertIsDirectory('.bzr/checkout/lock', t)
 
361
        our_lock = LockDir(t, '.bzr/checkout/lock')
 
362
        self.assertEquals(our_lock.peek(), None)
 
363
        tree.lock_write()
 
364
        self.assertTrue(our_lock.peek())
 
365
        tree.unlock()
 
366
        self.assertEquals(our_lock.peek(), None)
 
367
 
 
368
    def test_missing_pending_merges(self):
 
369
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
370
        control.create_repository()
 
371
        control.create_branch()
 
372
        tree = workingtree_3.WorkingTreeFormat3().initialize(control)
 
373
        tree._transport.delete("pending-merges")
 
374
        self.assertEqual([], tree.get_parent_ids())
 
375
 
 
376
 
 
377
class InstrumentedTree(object):
 
378
    """A instrumented tree to check the needs_tree_write_lock decorator."""
 
379
 
 
380
    def __init__(self):
 
381
        self._locks = []
 
382
 
 
383
    def lock_tree_write(self):
 
384
        self._locks.append('t')
 
385
 
 
386
    @needs_tree_write_lock
 
387
    def method_with_tree_write_lock(self, *args, **kwargs):
 
388
        """A lock_tree_write decorated method that returns its arguments."""
 
389
        return args, kwargs
 
390
 
 
391
    @needs_tree_write_lock
 
392
    def method_that_raises(self):
 
393
        """This method causes an exception when called with parameters.
 
394
 
 
395
        This allows the decorator code to be checked - it should still call
 
396
        unlock.
 
397
        """
 
398
 
 
399
    def unlock(self):
 
400
        self._locks.append('u')
 
401
 
 
402
 
 
403
class TestInstrumentedTree(TestCase):
 
404
 
 
405
    def test_needs_tree_write_lock(self):
 
406
        """@needs_tree_write_lock should be semantically transparent."""
 
407
        tree = InstrumentedTree()
 
408
        self.assertEqual(
 
409
            'method_with_tree_write_lock',
 
410
            tree.method_with_tree_write_lock.__name__)
 
411
        self.assertDocstring(
 
412
            "A lock_tree_write decorated method that returns its arguments.",
 
413
            tree.method_with_tree_write_lock)
 
414
        args = (1, 2, 3)
 
415
        kwargs = {'a':'b'}
 
416
        result = tree.method_with_tree_write_lock(1,2,3, a='b')
 
417
        self.assertEqual((args, kwargs), result)
 
418
        self.assertEqual(['t', 'u'], tree._locks)
 
419
        self.assertRaises(TypeError, tree.method_that_raises, 'foo')
 
420
        self.assertEqual(['t', 'u', 't', 'u'], tree._locks)
 
421
 
 
422
 
 
423
class TestRevert(TestCaseWithTransport):
 
424
 
 
425
    def test_revert_conflicts_recursive(self):
 
426
        this_tree = self.make_branch_and_tree('this-tree')
 
427
        self.build_tree_contents([('this-tree/foo/',),
 
428
                                  ('this-tree/foo/bar', 'bar')])
 
429
        this_tree.add(['foo', 'foo/bar'])
 
430
        this_tree.commit('created foo/bar')
 
431
        other_tree = this_tree.bzrdir.sprout('other-tree').open_workingtree()
 
432
        self.build_tree_contents([('other-tree/foo/bar', 'baz')])
 
433
        other_tree.commit('changed bar')
 
434
        self.build_tree_contents([('this-tree/foo/bar', 'qux')])
 
435
        this_tree.commit('changed qux')
 
436
        this_tree.merge_from_branch(other_tree.branch)
 
437
        self.assertEqual(1, len(this_tree.conflicts()))
 
438
        this_tree.revert(['foo'])
 
439
        self.assertEqual(0, len(this_tree.conflicts()))
 
440
 
 
441
 
 
442
class TestAutoResolve(TestCaseWithTransport):
 
443
 
 
444
    def test_auto_resolve(self):
 
445
        base = self.make_branch_and_tree('base')
 
446
        self.build_tree_contents([('base/hello', 'Hello')])
 
447
        base.add('hello', 'hello_id')
 
448
        base.commit('Hello')
 
449
        other = base.bzrdir.sprout('other').open_workingtree()
 
450
        self.build_tree_contents([('other/hello', 'hELLO')])
 
451
        other.commit('Case switch')
 
452
        this = base.bzrdir.sprout('this').open_workingtree()
 
453
        self.assertPathExists('this/hello')
 
454
        self.build_tree_contents([('this/hello', 'Hello World')])
 
455
        this.commit('Add World')
 
456
        this.merge_from_branch(other.branch)
 
457
        self.assertEqual([conflicts.TextConflict('hello', 'hello_id')],
 
458
                         this.conflicts())
 
459
        this.auto_resolve()
 
460
        self.assertEqual([conflicts.TextConflict('hello', 'hello_id')],
 
461
                         this.conflicts())
 
462
        self.build_tree_contents([('this/hello', '<<<<<<<')])
 
463
        this.auto_resolve()
 
464
        self.assertEqual([conflicts.TextConflict('hello', 'hello_id')],
 
465
                         this.conflicts())
 
466
        self.build_tree_contents([('this/hello', '=======')])
 
467
        this.auto_resolve()
 
468
        self.assertEqual([conflicts.TextConflict('hello', 'hello_id')],
 
469
                         this.conflicts())
 
470
        self.build_tree_contents([('this/hello', '\n>>>>>>>')])
 
471
        remaining, resolved = this.auto_resolve()
 
472
        self.assertEqual([conflicts.TextConflict('hello', 'hello_id')],
 
473
                         this.conflicts())
 
474
        self.assertEqual([], resolved)
 
475
        self.build_tree_contents([('this/hello', 'hELLO wORLD')])
 
476
        remaining, resolved = this.auto_resolve()
 
477
        self.assertEqual([], this.conflicts())
 
478
        self.assertEqual([conflicts.TextConflict('hello', 'hello_id')],
 
479
                         resolved)
 
480
        self.assertPathDoesNotExist('this/hello.BASE')
 
481
 
 
482
    def test_auto_resolve_dir(self):
 
483
        tree = self.make_branch_and_tree('tree')
 
484
        self.build_tree(['tree/hello/'])
 
485
        tree.add('hello', 'hello-id')
 
486
        file_conflict = conflicts.TextConflict('file', 'hello-id')
 
487
        tree.set_conflicts(conflicts.ConflictList([file_conflict]))
 
488
        tree.auto_resolve()
 
489
 
 
490
 
 
491
class TestFindTrees(TestCaseWithTransport):
 
492
 
 
493
    def test_find_trees(self):
 
494
        self.make_branch_and_tree('foo')
 
495
        self.make_branch_and_tree('foo/bar')
 
496
        # Sticking a tree inside a control dir is heinous, so let's skip it
 
497
        self.make_branch_and_tree('foo/.bzr/baz')
 
498
        self.make_branch('qux')
 
499
        trees = workingtree.WorkingTree.find_trees('.')
 
500
        self.assertEqual(2, len(list(trees)))