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(vila) Forbid more operations on ReadonlyTransportDecorator (Vincent Ladeuil)

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bzrlib/tests/test_workingtree.py
1
 
# Copyright (C) 2005-2010 Canonical Ltd
 
1
# Copyright (C) 2005-2011 Canonical Ltd
2
2
# Authors:  Robert Collins <robert.collins@canonical.com>
3
3
#
4
4
# This program is free software; you can redistribute it and/or modify
15
15
# along with this program; if not, write to the Free Software
16
16
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17
17
 
18
 
from cStringIO import StringIO
19
 
import os
20
 
 
21
18
from bzrlib import (
22
19
    bzrdir,
23
20
    conflicts,
24
21
    errors,
25
22
    transport,
26
23
    workingtree,
 
24
    workingtree_3,
 
25
    workingtree_4,
27
26
    )
28
 
from bzrlib.branch import Branch
29
 
from bzrlib.bzrdir import BzrDir
 
27
from bzrlib.lock import write_locked
30
28
from bzrlib.lockdir import LockDir
31
29
from bzrlib.mutabletree import needs_tree_write_lock
32
30
from bzrlib.tests import TestCase, TestCaseWithTransport, TestSkipped
65
63
class TestDefaultFormat(TestCaseWithTransport):
66
64
 
67
65
    def test_get_set_default_format(self):
68
 
        old_format = workingtree.WorkingTreeFormat.get_default_format()
69
 
        # default is 3
70
 
        self.assertTrue(isinstance(old_format, workingtree.WorkingTreeFormat3))
71
 
        workingtree.WorkingTreeFormat.set_default_format(SampleTreeFormat())
72
 
        try:
73
 
            # the default branch format is used by the meta dir format
74
 
            # which is not the default bzrdir format at this point
75
 
            dir = bzrdir.BzrDirMetaFormat1().initialize('.')
76
 
            dir.create_repository()
77
 
            dir.create_branch()
78
 
            result = dir.create_workingtree()
79
 
            self.assertEqual(result, 'A tree')
80
 
        finally:
81
 
            workingtree.WorkingTreeFormat.set_default_format(old_format)
82
 
        self.assertEqual(old_format, workingtree.WorkingTreeFormat.get_default_format())
 
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())
83
109
 
84
110
    def test_open(self):
85
111
        tree = self.make_branch_and_tree('.')
101
127
        self.assertEqual('subdir', relpath)
102
128
 
103
129
 
104
 
class SampleTreeFormat(workingtree.WorkingTreeFormat):
 
130
class SampleTreeFormat(workingtree.WorkingTreeFormatMetaDir):
105
131
    """A sample format
106
132
 
107
133
    this format is initializable, unsupported to aid in testing the
108
134
    open and open_downlevel routines.
109
135
    """
110
136
 
111
 
    def get_format_string(self):
 
137
    @classmethod
 
138
    def get_format_string(cls):
112
139
        """See WorkingTreeFormat.get_format_string()."""
113
140
        return "Sample tree format."
114
141
 
126
153
        return "opened tree."
127
154
 
128
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
 
129
176
class TestWorkingTreeFormat(TestCaseWithTransport):
130
177
    """Tests for the WorkingTreeFormat facility."""
131
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
 
132
192
    def test_find_format(self):
133
193
        # is the right format object found for a working tree?
134
194
        # create a branch with a few known format objects.
139
199
            dir.create_branch()
140
200
            format.initialize(dir)
141
201
            t = transport.get_transport(url)
142
 
            found_format = workingtree.WorkingTreeFormat.find_format(dir)
143
 
            self.failUnless(isinstance(found_format, format.__class__))
144
 
        check_format(workingtree.WorkingTreeFormat3(), "bar")
 
202
            found_format = workingtree.WorkingTreeFormatMetaDir.find_format(dir)
 
203
            self.assertIsInstance(found_format, format.__class__)
 
204
        check_format(workingtree_3.WorkingTreeFormat3(), "bar")
145
205
 
146
206
    def test_find_format_no_tree(self):
147
207
        dir = bzrdir.BzrDirMetaFormat1().initialize('.')
148
208
        self.assertRaises(errors.NoWorkingTree,
149
 
                          workingtree.WorkingTreeFormat.find_format,
 
209
                          workingtree.WorkingTreeFormatMetaDir.find_format,
150
210
                          dir)
151
211
 
152
212
    def test_find_format_unknown_format(self):
155
215
        dir.create_branch()
156
216
        SampleTreeFormat().initialize(dir)
157
217
        self.assertRaises(errors.UnknownFormatError,
158
 
                          workingtree.WorkingTreeFormat.find_format,
 
218
                          workingtree.WorkingTreeFormatMetaDir.find_format,
159
219
                          dir)
160
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
 
161
283
    def test_register_unregister_format(self):
162
284
        format = SampleTreeFormat()
163
 
        # make a control dir
164
 
        dir = bzrdir.BzrDirMetaFormat1().initialize('.')
165
 
        dir.create_repository()
166
 
        dir.create_branch()
167
 
        # make a branch
168
 
        format.initialize(dir)
169
 
        # register a format for it.
170
 
        workingtree.WorkingTreeFormat.register_format(format)
171
 
        # which branch.Open will refuse (not supported)
172
 
        self.assertRaises(errors.UnsupportedFormatError, workingtree.WorkingTree.open, '.')
173
 
        # but open_downlevel will work
174
 
        self.assertEqual(format.open(dir), workingtree.WorkingTree.open_downlevel('.'))
175
 
        # unregister the format
176
 
        workingtree.WorkingTreeFormat.unregister_format(format)
 
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)
177
309
 
178
310
 
179
311
class TestWorkingTreeFormat3(TestCaseWithTransport):
183
315
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
184
316
        control.create_repository()
185
317
        control.create_branch()
186
 
        tree = workingtree.WorkingTreeFormat3().initialize(control)
 
318
        tree = workingtree_3.WorkingTreeFormat3().initialize(control)
187
319
        # we want:
188
320
        # format 'Bazaar-NG Working Tree format 3'
189
321
        # inventory = blank inventory
217
349
        repo = dir.create_repository()
218
350
        branch = dir.create_branch()
219
351
        try:
220
 
            tree = workingtree.WorkingTreeFormat3().initialize(dir)
 
352
            tree = workingtree_3.WorkingTreeFormat3().initialize(dir)
221
353
        except errors.NotLocalUrl:
222
354
            raise TestSkipped('Not a local URL')
223
355
        self.assertIsDirectory('.bzr', t)
234
366
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
235
367
        control.create_repository()
236
368
        control.create_branch()
237
 
        tree = workingtree.WorkingTreeFormat3().initialize(control)
 
369
        tree = workingtree_3.WorkingTreeFormat3().initialize(control)
238
370
        tree._transport.delete("pending-merges")
239
371
        self.assertEqual([], tree.get_parent_ids())
240
372
 
241
373
 
242
 
class TestFormat2WorkingTree(TestCaseWithTransport):
243
 
    """Tests that are specific to format 2 trees."""
244
 
 
245
 
    def create_format2_tree(self, url):
246
 
        return self.make_branch_and_tree(
247
 
            url, format=bzrdir.BzrDirFormat6())
248
 
 
249
 
    def test_conflicts(self):
250
 
        # test backwards compatability
251
 
        tree = self.create_format2_tree('.')
252
 
        self.assertRaises(errors.UnsupportedOperation, tree.set_conflicts,
253
 
                          None)
254
 
        file('lala.BASE', 'wb').write('labase')
255
 
        expected = conflicts.ContentsConflict('lala')
256
 
        self.assertEqual(list(tree.conflicts()), [expected])
257
 
        file('lala', 'wb').write('la')
258
 
        tree.add('lala', 'lala-id')
259
 
        expected = conflicts.ContentsConflict('lala', file_id='lala-id')
260
 
        self.assertEqual(list(tree.conflicts()), [expected])
261
 
        file('lala.THIS', 'wb').write('lathis')
262
 
        file('lala.OTHER', 'wb').write('laother')
263
 
        # When "text conflict"s happen, stem, THIS and OTHER are text
264
 
        expected = conflicts.TextConflict('lala', file_id='lala-id')
265
 
        self.assertEqual(list(tree.conflicts()), [expected])
266
 
        os.unlink('lala.OTHER')
267
 
        os.mkdir('lala.OTHER')
268
 
        expected = conflicts.ContentsConflict('lala', file_id='lala-id')
269
 
        self.assertEqual(list(tree.conflicts()), [expected])
270
 
 
271
 
 
272
374
class InstrumentedTree(object):
273
375
    """A instrumented tree to check the needs_tree_write_lock decorator."""
274
376
 
345
447
        self.build_tree_contents([('other/hello', 'hELLO')])
346
448
        other.commit('Case switch')
347
449
        this = base.bzrdir.sprout('this').open_workingtree()
348
 
        self.failUnlessExists('this/hello')
 
450
        self.assertPathExists('this/hello')
349
451
        self.build_tree_contents([('this/hello', 'Hello World')])
350
452
        this.commit('Add World')
351
453
        this.merge_from_branch(other.branch)
352
 
        self.assertEqual([conflicts.TextConflict('hello', None, 'hello_id')],
 
454
        self.assertEqual([conflicts.TextConflict('hello', 'hello_id')],
353
455
                         this.conflicts())
354
456
        this.auto_resolve()
355
 
        self.assertEqual([conflicts.TextConflict('hello', None, 'hello_id')],
 
457
        self.assertEqual([conflicts.TextConflict('hello', 'hello_id')],
356
458
                         this.conflicts())
357
459
        self.build_tree_contents([('this/hello', '<<<<<<<')])
358
460
        this.auto_resolve()
359
 
        self.assertEqual([conflicts.TextConflict('hello', None, 'hello_id')],
 
461
        self.assertEqual([conflicts.TextConflict('hello', 'hello_id')],
360
462
                         this.conflicts())
361
463
        self.build_tree_contents([('this/hello', '=======')])
362
464
        this.auto_resolve()
363
 
        self.assertEqual([conflicts.TextConflict('hello', None, 'hello_id')],
 
465
        self.assertEqual([conflicts.TextConflict('hello', 'hello_id')],
364
466
                         this.conflicts())
365
467
        self.build_tree_contents([('this/hello', '\n>>>>>>>')])
366
468
        remaining, resolved = this.auto_resolve()
367
 
        self.assertEqual([conflicts.TextConflict('hello', None, 'hello_id')],
 
469
        self.assertEqual([conflicts.TextConflict('hello', 'hello_id')],
368
470
                         this.conflicts())
369
471
        self.assertEqual([], resolved)
370
472
        self.build_tree_contents([('this/hello', 'hELLO wORLD')])
371
473
        remaining, resolved = this.auto_resolve()
372
474
        self.assertEqual([], this.conflicts())
373
 
        self.assertEqual([conflicts.TextConflict('hello', None, 'hello_id')],
 
475
        self.assertEqual([conflicts.TextConflict('hello', 'hello_id')],
374
476
                         resolved)
375
 
        self.failIfExists('this/hello.BASE')
 
477
        self.assertPathDoesNotExist('this/hello.BASE')
376
478
 
377
479
    def test_auto_resolve_dir(self):
378
480
        tree = self.make_branch_and_tree('tree')
379
481
        self.build_tree(['tree/hello/'])
380
482
        tree.add('hello', 'hello-id')
381
 
        file_conflict = conflicts.TextConflict('file', None, 'hello-id')
 
483
        file_conflict = conflicts.TextConflict('file', 'hello-id')
382
484
        tree.set_conflicts(conflicts.ConflictList([file_conflict]))
383
485
        tree.auto_resolve()
384
486
 
393
495
        self.make_branch('qux')
394
496
        trees = workingtree.WorkingTree.find_trees('.')
395
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()