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Viewing changes to bzrlib/tests/test_workingtree.py

  • Committer: John Arbash Meinel
  • Date: 2011-04-22 14:12:22 UTC
  • mfrom: (5809 +trunk)
  • mto: This revision was merged to the branch mainline in revision 5836.
  • Revision ID: john@arbash-meinel.com-20110422141222-nx2j0hbkihcb8j16
Merge newer bzr.dev and resolve conflicts.
Try to write some documentation about how the _dirblock_state works.
Fix up the tests so that they pass again.

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Lines of Context:
 
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
    )
 
26
from bzrlib.lockdir import LockDir
 
27
from bzrlib.mutabletree import needs_tree_write_lock
 
28
from bzrlib.tests import TestCase, TestCaseWithTransport, TestSkipped
 
29
from bzrlib.workingtree import (
 
30
    TreeEntry,
 
31
    TreeDirectory,
 
32
    TreeFile,
 
33
    TreeLink,
 
34
    )
 
35
 
 
36
 
 
37
class TestTreeDirectory(TestCaseWithTransport):
 
38
 
 
39
    def test_kind_character(self):
 
40
        self.assertEqual(TreeDirectory().kind_character(), '/')
 
41
 
 
42
 
 
43
class TestTreeEntry(TestCaseWithTransport):
 
44
 
 
45
    def test_kind_character(self):
 
46
        self.assertEqual(TreeEntry().kind_character(), '???')
 
47
 
 
48
 
 
49
class TestTreeFile(TestCaseWithTransport):
 
50
 
 
51
    def test_kind_character(self):
 
52
        self.assertEqual(TreeFile().kind_character(), '')
 
53
 
 
54
 
 
55
class TestTreeLink(TestCaseWithTransport):
 
56
 
 
57
    def test_kind_character(self):
 
58
        self.assertEqual(TreeLink().kind_character(), '')
 
59
 
 
60
 
 
61
class TestDefaultFormat(TestCaseWithTransport):
 
62
 
 
63
    def test_get_set_default_format(self):
 
64
        old_format = workingtree.format_registry.get_default()
 
65
        # default is 3
 
66
        self.assertTrue(isinstance(old_format, workingtree.WorkingTreeFormat3))
 
67
        workingtree.format_registry.set_default(SampleTreeFormat())
 
68
        try:
 
69
            # the default branch format is used by the meta dir format
 
70
            # which is not the default bzrdir format at this point
 
71
            dir = bzrdir.BzrDirMetaFormat1().initialize('.')
 
72
            dir.create_repository()
 
73
            dir.create_branch()
 
74
            result = dir.create_workingtree()
 
75
            self.assertEqual(result, 'A tree')
 
76
        finally:
 
77
            workingtree.format_registry.set_default(old_format)
 
78
        self.assertEqual(old_format, workingtree.format_registry.get_default())
 
79
 
 
80
    def test_open(self):
 
81
        tree = self.make_branch_and_tree('.')
 
82
        open_direct = workingtree.WorkingTree.open('.')
 
83
        self.assertEqual(tree.basedir, open_direct.basedir)
 
84
        open_no_args = workingtree.WorkingTree.open()
 
85
        self.assertEqual(tree.basedir, open_no_args.basedir)
 
86
 
 
87
    def test_open_containing(self):
 
88
        tree = self.make_branch_and_tree('.')
 
89
        open_direct, relpath = workingtree.WorkingTree.open_containing('.')
 
90
        self.assertEqual(tree.basedir, open_direct.basedir)
 
91
        self.assertEqual('', relpath)
 
92
        open_no_args, relpath = workingtree.WorkingTree.open_containing()
 
93
        self.assertEqual(tree.basedir, open_no_args.basedir)
 
94
        self.assertEqual('', relpath)
 
95
        open_subdir, relpath = workingtree.WorkingTree.open_containing('subdir')
 
96
        self.assertEqual(tree.basedir, open_subdir.basedir)
 
97
        self.assertEqual('subdir', relpath)
 
98
 
 
99
 
 
100
class SampleTreeFormat(workingtree.WorkingTreeFormat):
 
101
    """A sample format
 
102
 
 
103
    this format is initializable, unsupported to aid in testing the
 
104
    open and open_downlevel routines.
 
105
    """
 
106
 
 
107
    def get_format_string(self):
 
108
        """See WorkingTreeFormat.get_format_string()."""
 
109
        return "Sample tree format."
 
110
 
 
111
    def initialize(self, a_bzrdir, revision_id=None, from_branch=None,
 
112
                   accelerator_tree=None, hardlink=False):
 
113
        """Sample branches cannot be created."""
 
114
        t = a_bzrdir.get_workingtree_transport(self)
 
115
        t.put_bytes('format', self.get_format_string())
 
116
        return 'A tree'
 
117
 
 
118
    def is_supported(self):
 
119
        return False
 
120
 
 
121
    def open(self, transport, _found=False):
 
122
        return "opened tree."
 
123
 
 
124
 
 
125
class SampleExtraTreeFormat(workingtree.WorkingTreeFormat):
 
126
    """A sample format that does not support use in a metadir.
 
127
 
 
128
    """
 
129
 
 
130
    def get_format_string(self):
 
131
        # Not usable in a metadir, so no format string
 
132
        return None
 
133
 
 
134
    def initialize(self, a_bzrdir, revision_id=None, from_branch=None,
 
135
                   accelerator_tree=None, hardlink=False):
 
136
        raise NotImplementedError(self.initialize)
 
137
 
 
138
    def is_supported(self):
 
139
        return False
 
140
 
 
141
    def open(self, transport, _found=False):
 
142
        raise NotImplementedError(self.open)
 
143
 
 
144
 
 
145
class TestWorkingTreeFormat(TestCaseWithTransport):
 
146
    """Tests for the WorkingTreeFormat facility."""
 
147
 
 
148
    def test_find_format(self):
 
149
        # is the right format object found for a working tree?
 
150
        # create a branch with a few known format objects.
 
151
        self.build_tree(["foo/", "bar/"])
 
152
        def check_format(format, url):
 
153
            dir = format._matchingbzrdir.initialize(url)
 
154
            dir.create_repository()
 
155
            dir.create_branch()
 
156
            format.initialize(dir)
 
157
            t = transport.get_transport(url)
 
158
            found_format = workingtree.WorkingTreeFormat.find_format(dir)
 
159
            self.assertIsInstance(found_format, format.__class__)
 
160
        check_format(workingtree.WorkingTreeFormat3(), "bar")
 
161
 
 
162
    def test_find_format_no_tree(self):
 
163
        dir = bzrdir.BzrDirMetaFormat1().initialize('.')
 
164
        self.assertRaises(errors.NoWorkingTree,
 
165
                          workingtree.WorkingTreeFormat.find_format,
 
166
                          dir)
 
167
 
 
168
    def test_find_format_unknown_format(self):
 
169
        dir = bzrdir.BzrDirMetaFormat1().initialize('.')
 
170
        dir.create_repository()
 
171
        dir.create_branch()
 
172
        SampleTreeFormat().initialize(dir)
 
173
        self.assertRaises(errors.UnknownFormatError,
 
174
                          workingtree.WorkingTreeFormat.find_format,
 
175
                          dir)
 
176
 
 
177
    def test_register_unregister_format(self):
 
178
        format = SampleTreeFormat()
 
179
        # make a control dir
 
180
        dir = bzrdir.BzrDirMetaFormat1().initialize('.')
 
181
        dir.create_repository()
 
182
        dir.create_branch()
 
183
        # make a branch
 
184
        format.initialize(dir)
 
185
        # register a format for it.
 
186
        self.applyDeprecated(symbol_versioning.deprecated_in((2, 4, 0)),
 
187
            workingtree.WorkingTreeFormat.register_format, format)
 
188
        self.assertTrue(format in 
 
189
            self.applyDeprecated(symbol_versioning.deprecated_in((2, 4, 0)),
 
190
                workingtree.WorkingTreeFormat.get_formats))
 
191
        # which branch.Open will refuse (not supported)
 
192
        self.assertRaises(errors.UnsupportedFormatError, workingtree.WorkingTree.open, '.')
 
193
        # but open_downlevel will work
 
194
        self.assertEqual(format.open(dir), workingtree.WorkingTree.open_downlevel('.'))
 
195
        # unregister the format
 
196
        self.applyDeprecated(symbol_versioning.deprecated_in((2, 4, 0)),
 
197
            workingtree.WorkingTreeFormat.unregister_format, format)
 
198
        self.assertFalse(format in
 
199
            self.applyDeprecated(symbol_versioning.deprecated_in((2, 4, 0)),
 
200
                workingtree.WorkingTreeFormat.get_formats))
 
201
 
 
202
 
 
203
class TestWorkingTreeFormatRegistry(TestCase):
 
204
 
 
205
    def setUp(self):
 
206
        super(TestWorkingTreeFormatRegistry, self).setUp()
 
207
        self.registry = workingtree.WorkingTreeFormatRegistry()
 
208
 
 
209
    def test_register_unregister_format(self):
 
210
        format = SampleTreeFormat()
 
211
        self.registry.register(format)
 
212
        self.assertEquals(format, self.registry.get("Sample tree format."))
 
213
        self.registry.remove(format)
 
214
        self.assertRaises(KeyError, self.registry.get, "Sample tree format.")
 
215
 
 
216
    def test_get_all(self):
 
217
        format = SampleTreeFormat()
 
218
        self.assertEquals([], self.registry._get_all())
 
219
        self.registry.register(format)
 
220
        self.assertEquals([format], self.registry._get_all())
 
221
 
 
222
    def test_register_extra(self):
 
223
        format = SampleExtraTreeFormat()
 
224
        self.assertEquals([], self.registry._get_all())
 
225
        self.registry.register_extra(format)
 
226
        self.assertEquals([format], self.registry._get_all())
 
227
 
 
228
    def test_register_extra_lazy(self):
 
229
        self.assertEquals([], self.registry._get_all())
 
230
        self.registry.register_extra_lazy("bzrlib.tests.test_workingtree",
 
231
            "SampleExtraTreeFormat")
 
232
        formats = self.registry._get_all()
 
233
        self.assertEquals(1, len(formats))
 
234
        self.assertIsInstance(formats[0], SampleExtraTreeFormat)
 
235
 
 
236
 
 
237
class TestWorkingTreeFormat3(TestCaseWithTransport):
 
238
    """Tests specific to WorkingTreeFormat3."""
 
239
 
 
240
    def test_disk_layout(self):
 
241
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
242
        control.create_repository()
 
243
        control.create_branch()
 
244
        tree = workingtree.WorkingTreeFormat3().initialize(control)
 
245
        # we want:
 
246
        # format 'Bazaar-NG Working Tree format 3'
 
247
        # inventory = blank inventory
 
248
        # pending-merges = ''
 
249
        # stat-cache = ??
 
250
        # no inventory.basis yet
 
251
        t = control.get_workingtree_transport(None)
 
252
        self.assertEqualDiff('Bazaar-NG Working Tree format 3',
 
253
                             t.get('format').read())
 
254
        self.assertEqualDiff(t.get('inventory').read(),
 
255
                              '<inventory format="5">\n'
 
256
                              '</inventory>\n',
 
257
                             )
 
258
        self.assertEqualDiff('### bzr hashcache v5\n',
 
259
                             t.get('stat-cache').read())
 
260
        self.assertFalse(t.has('inventory.basis'))
 
261
        # no last-revision file means 'None' or 'NULLREVISION'
 
262
        self.assertFalse(t.has('last-revision'))
 
263
        # TODO RBC 20060210 do a commit, check the inventory.basis is created
 
264
        # correctly and last-revision file becomes present.
 
265
 
 
266
    def test_uses_lockdir(self):
 
267
        """WorkingTreeFormat3 uses its own LockDir:
 
268
 
 
269
            - lock is a directory
 
270
            - when the WorkingTree is locked, LockDir can see that
 
271
        """
 
272
        t = self.get_transport()
 
273
        url = self.get_url()
 
274
        dir = bzrdir.BzrDirMetaFormat1().initialize(url)
 
275
        repo = dir.create_repository()
 
276
        branch = dir.create_branch()
 
277
        try:
 
278
            tree = workingtree.WorkingTreeFormat3().initialize(dir)
 
279
        except errors.NotLocalUrl:
 
280
            raise TestSkipped('Not a local URL')
 
281
        self.assertIsDirectory('.bzr', t)
 
282
        self.assertIsDirectory('.bzr/checkout', t)
 
283
        self.assertIsDirectory('.bzr/checkout/lock', t)
 
284
        our_lock = LockDir(t, '.bzr/checkout/lock')
 
285
        self.assertEquals(our_lock.peek(), None)
 
286
        tree.lock_write()
 
287
        self.assertTrue(our_lock.peek())
 
288
        tree.unlock()
 
289
        self.assertEquals(our_lock.peek(), None)
 
290
 
 
291
    def test_missing_pending_merges(self):
 
292
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
293
        control.create_repository()
 
294
        control.create_branch()
 
295
        tree = workingtree.WorkingTreeFormat3().initialize(control)
 
296
        tree._transport.delete("pending-merges")
 
297
        self.assertEqual([], tree.get_parent_ids())
 
298
 
 
299
 
 
300
class InstrumentedTree(object):
 
301
    """A instrumented tree to check the needs_tree_write_lock decorator."""
 
302
 
 
303
    def __init__(self):
 
304
        self._locks = []
 
305
 
 
306
    def lock_tree_write(self):
 
307
        self._locks.append('t')
 
308
 
 
309
    @needs_tree_write_lock
 
310
    def method_with_tree_write_lock(self, *args, **kwargs):
 
311
        """A lock_tree_write decorated method that returns its arguments."""
 
312
        return args, kwargs
 
313
 
 
314
    @needs_tree_write_lock
 
315
    def method_that_raises(self):
 
316
        """This method causes an exception when called with parameters.
 
317
 
 
318
        This allows the decorator code to be checked - it should still call
 
319
        unlock.
 
320
        """
 
321
 
 
322
    def unlock(self):
 
323
        self._locks.append('u')
 
324
 
 
325
 
 
326
class TestInstrumentedTree(TestCase):
 
327
 
 
328
    def test_needs_tree_write_lock(self):
 
329
        """@needs_tree_write_lock should be semantically transparent."""
 
330
        tree = InstrumentedTree()
 
331
        self.assertEqual(
 
332
            'method_with_tree_write_lock',
 
333
            tree.method_with_tree_write_lock.__name__)
 
334
        self.assertDocstring(
 
335
            "A lock_tree_write decorated method that returns its arguments.",
 
336
            tree.method_with_tree_write_lock)
 
337
        args = (1, 2, 3)
 
338
        kwargs = {'a':'b'}
 
339
        result = tree.method_with_tree_write_lock(1,2,3, a='b')
 
340
        self.assertEqual((args, kwargs), result)
 
341
        self.assertEqual(['t', 'u'], tree._locks)
 
342
        self.assertRaises(TypeError, tree.method_that_raises, 'foo')
 
343
        self.assertEqual(['t', 'u', 't', 'u'], tree._locks)
 
344
 
 
345
 
 
346
class TestRevert(TestCaseWithTransport):
 
347
 
 
348
    def test_revert_conflicts_recursive(self):
 
349
        this_tree = self.make_branch_and_tree('this-tree')
 
350
        self.build_tree_contents([('this-tree/foo/',),
 
351
                                  ('this-tree/foo/bar', 'bar')])
 
352
        this_tree.add(['foo', 'foo/bar'])
 
353
        this_tree.commit('created foo/bar')
 
354
        other_tree = this_tree.bzrdir.sprout('other-tree').open_workingtree()
 
355
        self.build_tree_contents([('other-tree/foo/bar', 'baz')])
 
356
        other_tree.commit('changed bar')
 
357
        self.build_tree_contents([('this-tree/foo/bar', 'qux')])
 
358
        this_tree.commit('changed qux')
 
359
        this_tree.merge_from_branch(other_tree.branch)
 
360
        self.assertEqual(1, len(this_tree.conflicts()))
 
361
        this_tree.revert(['foo'])
 
362
        self.assertEqual(0, len(this_tree.conflicts()))
 
363
 
 
364
 
 
365
class TestAutoResolve(TestCaseWithTransport):
 
366
 
 
367
    def test_auto_resolve(self):
 
368
        base = self.make_branch_and_tree('base')
 
369
        self.build_tree_contents([('base/hello', 'Hello')])
 
370
        base.add('hello', 'hello_id')
 
371
        base.commit('Hello')
 
372
        other = base.bzrdir.sprout('other').open_workingtree()
 
373
        self.build_tree_contents([('other/hello', 'hELLO')])
 
374
        other.commit('Case switch')
 
375
        this = base.bzrdir.sprout('this').open_workingtree()
 
376
        self.assertPathExists('this/hello')
 
377
        self.build_tree_contents([('this/hello', 'Hello World')])
 
378
        this.commit('Add World')
 
379
        this.merge_from_branch(other.branch)
 
380
        self.assertEqual([conflicts.TextConflict('hello', 'hello_id')],
 
381
                         this.conflicts())
 
382
        this.auto_resolve()
 
383
        self.assertEqual([conflicts.TextConflict('hello', 'hello_id')],
 
384
                         this.conflicts())
 
385
        self.build_tree_contents([('this/hello', '<<<<<<<')])
 
386
        this.auto_resolve()
 
387
        self.assertEqual([conflicts.TextConflict('hello', 'hello_id')],
 
388
                         this.conflicts())
 
389
        self.build_tree_contents([('this/hello', '=======')])
 
390
        this.auto_resolve()
 
391
        self.assertEqual([conflicts.TextConflict('hello', 'hello_id')],
 
392
                         this.conflicts())
 
393
        self.build_tree_contents([('this/hello', '\n>>>>>>>')])
 
394
        remaining, resolved = this.auto_resolve()
 
395
        self.assertEqual([conflicts.TextConflict('hello', 'hello_id')],
 
396
                         this.conflicts())
 
397
        self.assertEqual([], resolved)
 
398
        self.build_tree_contents([('this/hello', 'hELLO wORLD')])
 
399
        remaining, resolved = this.auto_resolve()
 
400
        self.assertEqual([], this.conflicts())
 
401
        self.assertEqual([conflicts.TextConflict('hello', 'hello_id')],
 
402
                         resolved)
 
403
        self.assertPathDoesNotExist('this/hello.BASE')
 
404
 
 
405
    def test_auto_resolve_dir(self):
 
406
        tree = self.make_branch_and_tree('tree')
 
407
        self.build_tree(['tree/hello/'])
 
408
        tree.add('hello', 'hello-id')
 
409
        file_conflict = conflicts.TextConflict('file', 'hello-id')
 
410
        tree.set_conflicts(conflicts.ConflictList([file_conflict]))
 
411
        tree.auto_resolve()
 
412
 
 
413
 
 
414
class TestFindTrees(TestCaseWithTransport):
 
415
 
 
416
    def test_find_trees(self):
 
417
        self.make_branch_and_tree('foo')
 
418
        self.make_branch_and_tree('foo/bar')
 
419
        # Sticking a tree inside a control dir is heinous, so let's skip it
 
420
        self.make_branch_and_tree('foo/.bzr/baz')
 
421
        self.make_branch('qux')
 
422
        trees = workingtree.WorkingTree.find_trees('.')
 
423
        self.assertEqual(2, len(list(trees)))