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1
 
# Copyright (C) 2006-2012, 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
 
"""Tests for the Branch facility that are not interface  tests.
18
 
 
19
 
For interface tests see `tests/per_branch/*.py`.
20
 
 
21
 
For concrete class tests see this file, and for meta-branch tests
22
 
also see this file.
23
 
"""
24
 
 
25
 
from .. import (
26
 
    bedding,
27
 
    branch as _mod_branch,
28
 
    config,
29
 
    controldir,
30
 
    errors,
31
 
    tests,
32
 
    trace,
33
 
    urlutils,
34
 
    )
35
 
from ..bzr import (
36
 
    branch as _mod_bzrbranch,
37
 
    bzrdir,
38
 
    )
39
 
from ..bzr.fullhistory import (
40
 
    BzrBranch5,
41
 
    BzrBranchFormat5,
42
 
    )
43
 
from ..sixish import (
44
 
    StringIO,
45
 
    )
46
 
 
47
 
 
48
 
class TestErrors(tests.TestCase):
49
 
 
50
 
    def test_unstackable_branch_format(self):
51
 
        format = u'foo'
52
 
        url = "/foo"
53
 
        error = _mod_branch.UnstackableBranchFormat(format, url)
54
 
        self.assertEqualDiff(
55
 
            "The branch '/foo'(foo) is not a stackable format. "
56
 
            "You will need to upgrade the branch to permit branch stacking.",
57
 
            str(error))
58
 
 
59
 
 
60
 
class TestDefaultFormat(tests.TestCase):
61
 
 
62
 
    def test_default_format(self):
63
 
        # update this if you change the default branch format
64
 
        self.assertIsInstance(_mod_branch.format_registry.get_default(),
65
 
                              _mod_bzrbranch.BzrBranchFormat7)
66
 
 
67
 
    def test_default_format_is_same_as_bzrdir_default(self):
68
 
        # XXX: it might be nice if there was only one place the default was
69
 
        # set, but at the moment that's not true -- mbp 20070814 --
70
 
        # https://bugs.launchpad.net/bzr/+bug/132376
71
 
        self.assertEqual(
72
 
            _mod_branch.format_registry.get_default(),
73
 
            bzrdir.BzrDirFormat.get_default_format().get_branch_format())
74
 
 
75
 
    def test_get_set_default_format(self):
76
 
        # set the format and then set it back again
77
 
        old_format = _mod_branch.format_registry.get_default()
78
 
        _mod_branch.format_registry.set_default(
79
 
            SampleBranchFormat())
80
 
        try:
81
 
            # the default branch format is used by the meta dir format
82
 
            # which is not the default bzrdir format at this point
83
 
            dir = bzrdir.BzrDirMetaFormat1().initialize('memory:///')
84
 
            result = dir.create_branch()
85
 
            self.assertEqual(result, 'A branch')
86
 
        finally:
87
 
            _mod_branch.format_registry.set_default(old_format)
88
 
        self.assertEqual(old_format,
89
 
                         _mod_branch.format_registry.get_default())
90
 
 
91
 
 
92
 
class TestBranchFormat5(tests.TestCaseWithTransport):
93
 
    """Tests specific to branch format 5"""
94
 
 
95
 
    def test_branch_format_5_uses_lockdir(self):
96
 
        url = self.get_url()
97
 
        bdir = bzrdir.BzrDirMetaFormat1().initialize(url)
98
 
        bdir.create_repository()
99
 
        branch = BzrBranchFormat5().initialize(bdir)
100
 
        t = self.get_transport()
101
 
        self.log("branch instance is %r" % branch)
102
 
        self.assertTrue(isinstance(branch, BzrBranch5))
103
 
        self.assertIsDirectory('.', t)
104
 
        self.assertIsDirectory('.bzr/branch', t)
105
 
        self.assertIsDirectory('.bzr/branch/lock', t)
106
 
        branch.lock_write()
107
 
        self.addCleanup(branch.unlock)
108
 
        self.assertIsDirectory('.bzr/branch/lock/held', t)
109
 
 
110
 
    def test_set_push_location(self):
111
 
        conf = config.LocationConfig.from_string('# comment\n', '.', save=True)
112
 
 
113
 
        branch = self.make_branch('.', format='knit')
114
 
        branch.set_push_location('foo')
115
 
        local_path = urlutils.local_path_from_url(branch.base[:-1])
116
 
        self.assertFileEqual(b"# comment\n"
117
 
                             b"[%s]\n"
118
 
                             b"push_location = foo\n"
119
 
                             b"push_location:policy = norecurse\n" % local_path.encode(
120
 
                                 'utf-8'),
121
 
                             bedding.locations_config_path())
122
 
 
123
 
    # TODO RBC 20051029 test getting a push location from a branch in a
124
 
    # recursive section - that is, it appends the branch name.
125
 
 
126
 
 
127
 
class SampleBranchFormat(_mod_bzrbranch.BranchFormatMetadir):
128
 
    """A sample format
129
 
 
130
 
    this format is initializable, unsupported to aid in testing the
131
 
    open and open_downlevel routines.
132
 
    """
133
 
 
134
 
    @classmethod
135
 
    def get_format_string(cls):
136
 
        """See BzrBranchFormat.get_format_string()."""
137
 
        return b"Sample branch format."
138
 
 
139
 
    def initialize(self, a_controldir, name=None, repository=None,
140
 
                   append_revisions_only=None):
141
 
        """Format 4 branches cannot be created."""
142
 
        t = a_controldir.get_branch_transport(self, name=name)
143
 
        t.put_bytes('format', self.get_format_string())
144
 
        return 'A branch'
145
 
 
146
 
    def is_supported(self):
147
 
        return False
148
 
 
149
 
    def open(self, transport, name=None, _found=False, ignore_fallbacks=False,
150
 
             possible_transports=None):
151
 
        return "opened branch."
152
 
 
153
 
 
154
 
# Demonstrating how lazy loading is often implemented:
155
 
# A constant string is created.
156
 
SampleSupportedBranchFormatString = b"Sample supported branch format."
157
 
 
158
 
# And the format class can then reference the constant to avoid skew.
159
 
 
160
 
 
161
 
class SampleSupportedBranchFormat(_mod_bzrbranch.BranchFormatMetadir):
162
 
    """A sample supported format."""
163
 
 
164
 
    @classmethod
165
 
    def get_format_string(cls):
166
 
        """See BzrBranchFormat.get_format_string()."""
167
 
        return SampleSupportedBranchFormatString
168
 
 
169
 
    def initialize(self, a_controldir, name=None, append_revisions_only=None):
170
 
        t = a_controldir.get_branch_transport(self, name=name)
171
 
        t.put_bytes('format', self.get_format_string())
172
 
        return 'A branch'
173
 
 
174
 
    def open(self, transport, name=None, _found=False, ignore_fallbacks=False,
175
 
             possible_transports=None):
176
 
        return "opened supported branch."
177
 
 
178
 
 
179
 
class SampleExtraBranchFormat(_mod_branch.BranchFormat):
180
 
    """A sample format that is not usable in a metadir."""
181
 
 
182
 
    def get_format_string(self):
183
 
        # This format is not usable in a metadir.
184
 
        return None
185
 
 
186
 
    def network_name(self):
187
 
        # Network name always has to be provided.
188
 
        return "extra"
189
 
 
190
 
    def initialize(self, a_controldir, name=None):
191
 
        raise NotImplementedError(self.initialize)
192
 
 
193
 
    def open(self, transport, name=None, _found=False, ignore_fallbacks=False,
194
 
             possible_transports=None):
195
 
        raise NotImplementedError(self.open)
196
 
 
197
 
 
198
 
class TestBzrBranchFormat(tests.TestCaseWithTransport):
199
 
    """Tests for the BzrBranchFormat facility."""
200
 
 
201
 
    def test_find_format(self):
202
 
        # is the right format object found for a branch?
203
 
        # create a branch with a few known format objects.
204
 
        # this is not quite the same as
205
 
        self.build_tree(["foo/", "bar/"])
206
 
 
207
 
        def check_format(format, url):
208
 
            dir = format._matchingcontroldir.initialize(url)
209
 
            dir.create_repository()
210
 
            format.initialize(dir)
211
 
            found_format = _mod_bzrbranch.BranchFormatMetadir.find_format(dir)
212
 
            self.assertIsInstance(found_format, format.__class__)
213
 
        check_format(BzrBranchFormat5(), "bar")
214
 
 
215
 
    def test_from_string(self):
216
 
        self.assertIsInstance(
217
 
            SampleBranchFormat.from_string(b"Sample branch format."),
218
 
            SampleBranchFormat)
219
 
        self.assertRaises(AssertionError,
220
 
                          SampleBranchFormat.from_string, b"Different branch format.")
221
 
 
222
 
    def test_find_format_not_branch(self):
223
 
        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
224
 
        self.assertRaises(errors.NotBranchError,
225
 
                          _mod_bzrbranch.BranchFormatMetadir.find_format,
226
 
                          dir)
227
 
 
228
 
    def test_find_format_unknown_format(self):
229
 
        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
230
 
        SampleBranchFormat().initialize(dir)
231
 
        self.assertRaises(errors.UnknownFormatError,
232
 
                          _mod_bzrbranch.BranchFormatMetadir.find_format,
233
 
                          dir)
234
 
 
235
 
    def test_find_format_with_features(self):
236
 
        tree = self.make_branch_and_tree('.', format='2a')
237
 
        tree.branch.update_feature_flags({b"name": b"optional"})
238
 
        found_format = _mod_bzrbranch.BranchFormatMetadir.find_format(
239
 
            tree.controldir)
240
 
        self.assertIsInstance(found_format, _mod_bzrbranch.BranchFormatMetadir)
241
 
        self.assertEqual(found_format.features.get(b"name"), b"optional")
242
 
        tree.branch.update_feature_flags({b"name": None})
243
 
        branch = _mod_branch.Branch.open('.')
244
 
        self.assertEqual(branch._format.features, {})
245
 
 
246
 
 
247
 
class TestBranchFormatRegistry(tests.TestCase):
248
 
 
249
 
    def setUp(self):
250
 
        super(TestBranchFormatRegistry, self).setUp()
251
 
        self.registry = _mod_branch.BranchFormatRegistry()
252
 
 
253
 
    def test_default(self):
254
 
        self.assertIs(None, self.registry.get_default())
255
 
        format = SampleBranchFormat()
256
 
        self.registry.set_default(format)
257
 
        self.assertEqual(format, self.registry.get_default())
258
 
 
259
 
    def test_register_unregister_format(self):
260
 
        format = SampleBranchFormat()
261
 
        self.registry.register(format)
262
 
        self.assertEqual(format,
263
 
                         self.registry.get(b"Sample branch format."))
264
 
        self.registry.remove(format)
265
 
        self.assertRaises(KeyError, self.registry.get,
266
 
                          b"Sample branch format.")
267
 
 
268
 
    def test_get_all(self):
269
 
        format = SampleBranchFormat()
270
 
        self.assertEqual([], self.registry._get_all())
271
 
        self.registry.register(format)
272
 
        self.assertEqual([format], self.registry._get_all())
273
 
 
274
 
    def test_register_extra(self):
275
 
        format = SampleExtraBranchFormat()
276
 
        self.assertEqual([], self.registry._get_all())
277
 
        self.registry.register_extra(format)
278
 
        self.assertEqual([format], self.registry._get_all())
279
 
 
280
 
    def test_register_extra_lazy(self):
281
 
        self.assertEqual([], self.registry._get_all())
282
 
        self.registry.register_extra_lazy("breezy.tests.test_branch",
283
 
                                          "SampleExtraBranchFormat")
284
 
        formats = self.registry._get_all()
285
 
        self.assertEqual(1, len(formats))
286
 
        self.assertIsInstance(formats[0], SampleExtraBranchFormat)
287
 
 
288
 
 
289
 
class TestBranch67(object):
290
 
    """Common tests for both branch 6 and 7 which are mostly the same."""
291
 
 
292
 
    def get_format_name(self):
293
 
        raise NotImplementedError(self.get_format_name)
294
 
 
295
 
    def get_format_name_subtree(self):
296
 
        raise NotImplementedError(self.get_format_name)
297
 
 
298
 
    def get_class(self):
299
 
        raise NotImplementedError(self.get_class)
300
 
 
301
 
    def test_creation(self):
302
 
        format = bzrdir.BzrDirMetaFormat1()
303
 
        format.set_branch_format(_mod_bzrbranch.BzrBranchFormat6())
304
 
        branch = self.make_branch('a', format=format)
305
 
        self.assertIsInstance(branch, self.get_class())
306
 
        branch = self.make_branch('b', format=self.get_format_name())
307
 
        self.assertIsInstance(branch, self.get_class())
308
 
        branch = _mod_branch.Branch.open('a')
309
 
        self.assertIsInstance(branch, self.get_class())
310
 
 
311
 
    def test_layout(self):
312
 
        branch = self.make_branch('a', format=self.get_format_name())
313
 
        self.assertPathExists('a/.bzr/branch/last-revision')
314
 
        self.assertPathDoesNotExist('a/.bzr/branch/revision-history')
315
 
        self.assertPathDoesNotExist('a/.bzr/branch/references')
316
 
 
317
 
    def test_config(self):
318
 
        """Ensure that all configuration data is stored in the branch"""
319
 
        branch = self.make_branch('a', format=self.get_format_name())
320
 
        branch.set_parent('http://example.com')
321
 
        self.assertPathDoesNotExist('a/.bzr/branch/parent')
322
 
        self.assertEqual('http://example.com', branch.get_parent())
323
 
        branch.set_push_location('sftp://example.com')
324
 
        conf = branch.get_config_stack()
325
 
        self.assertEqual('sftp://example.com', conf.get('push_location'))
326
 
        branch.set_bound_location('ftp://example.com')
327
 
        self.assertPathDoesNotExist('a/.bzr/branch/bound')
328
 
        self.assertEqual('ftp://example.com', branch.get_bound_location())
329
 
 
330
 
    def do_checkout_test(self, lightweight):
331
 
        tree = self.make_branch_and_tree('source',
332
 
                                         format=self.get_format_name_subtree())
333
 
        subtree = self.make_branch_and_tree('source/subtree',
334
 
                                            format=self.get_format_name_subtree())
335
 
        subsubtree = self.make_branch_and_tree('source/subtree/subsubtree',
336
 
                                               format=self.get_format_name_subtree())
337
 
        self.build_tree(['source/subtree/file',
338
 
                         'source/subtree/subsubtree/file'])
339
 
        subsubtree.add('file')
340
 
        subtree.add('file')
341
 
        subtree.add_reference(subsubtree)
342
 
        subtree.set_reference_info('subsubtree', subsubtree.branch.user_url)
343
 
        tree.add_reference(subtree)
344
 
        tree.set_reference_info('subtree', subtree.branch.user_url)
345
 
        tree.commit('a revision')
346
 
        subtree.commit('a subtree file')
347
 
        subsubtree.commit('a subsubtree file')
348
 
        tree.branch.create_checkout('target', lightweight=lightweight)
349
 
        self.assertPathExists('target')
350
 
        self.assertPathExists('target/subtree')
351
 
        self.assertPathExists('target/subtree/file')
352
 
        self.assertPathExists('target/subtree/subsubtree/file')
353
 
        subbranch = _mod_branch.Branch.open('target/subtree/subsubtree')
354
 
        if lightweight:
355
 
            self.assertEndsWith(subbranch.base, 'source/subtree/subsubtree/')
356
 
        else:
357
 
            self.assertEndsWith(subbranch.base, 'target/subtree/subsubtree/')
358
 
 
359
 
    def test_checkout_with_references(self):
360
 
        self.do_checkout_test(lightweight=False)
361
 
 
362
 
    def test_light_checkout_with_references(self):
363
 
        self.do_checkout_test(lightweight=True)
364
 
 
365
 
 
366
 
class TestBranch6(TestBranch67, tests.TestCaseWithTransport):
367
 
 
368
 
    def get_class(self):
369
 
        return _mod_bzrbranch.BzrBranch6
370
 
 
371
 
    def get_format_name(self):
372
 
        return "dirstate-tags"
373
 
 
374
 
    def get_format_name_subtree(self):
375
 
        return "dirstate-with-subtree"
376
 
 
377
 
    def test_set_stacked_on_url_errors(self):
378
 
        branch = self.make_branch('a', format=self.get_format_name())
379
 
        self.assertRaises(_mod_branch.UnstackableBranchFormat,
380
 
                          branch.set_stacked_on_url, None)
381
 
 
382
 
    def test_default_stacked_location(self):
383
 
        branch = self.make_branch('a', format=self.get_format_name())
384
 
        self.assertRaises(_mod_branch.UnstackableBranchFormat,
385
 
                          branch.get_stacked_on_url)
386
 
 
387
 
 
388
 
class TestBranch7(TestBranch67, tests.TestCaseWithTransport):
389
 
 
390
 
    def get_class(self):
391
 
        return _mod_bzrbranch.BzrBranch7
392
 
 
393
 
    def get_format_name(self):
394
 
        return "1.9"
395
 
 
396
 
    def get_format_name_subtree(self):
397
 
        return "development-subtree"
398
 
 
399
 
    def test_set_stacked_on_url_unstackable_repo(self):
400
 
        repo = self.make_repository('a', format='dirstate-tags')
401
 
        control = repo.controldir
402
 
        branch = _mod_bzrbranch.BzrBranchFormat7().initialize(control)
403
 
        target = self.make_branch('b')
404
 
        self.assertRaises(errors.UnstackableRepositoryFormat,
405
 
                          branch.set_stacked_on_url, target.base)
406
 
 
407
 
    def test_clone_stacked_on_unstackable_repo(self):
408
 
        repo = self.make_repository('a', format='dirstate-tags')
409
 
        control = repo.controldir
410
 
        branch = _mod_bzrbranch.BzrBranchFormat7().initialize(control)
411
 
        # Calling clone should not raise UnstackableRepositoryFormat.
412
 
        cloned_bzrdir = control.clone('cloned')
413
 
 
414
 
    def _test_default_stacked_location(self):
415
 
        branch = self.make_branch('a', format=self.get_format_name())
416
 
        self.assertRaises(errors.NotStacked, branch.get_stacked_on_url)
417
 
 
418
 
    def test_stack_and_unstack(self):
419
 
        branch = self.make_branch('a', format=self.get_format_name())
420
 
        target = self.make_branch_and_tree('b', format=self.get_format_name())
421
 
        branch.set_stacked_on_url(target.branch.base)
422
 
        self.assertEqual(target.branch.base, branch.get_stacked_on_url())
423
 
        revid = target.commit('foo')
424
 
        self.assertTrue(branch.repository.has_revision(revid))
425
 
        branch.set_stacked_on_url(None)
426
 
        self.assertRaises(errors.NotStacked, branch.get_stacked_on_url)
427
 
        self.assertFalse(branch.repository.has_revision(revid))
428
 
 
429
 
    def test_open_opens_stacked_reference(self):
430
 
        branch = self.make_branch('a', format=self.get_format_name())
431
 
        target = self.make_branch_and_tree('b', format=self.get_format_name())
432
 
        branch.set_stacked_on_url(target.branch.base)
433
 
        branch = branch.controldir.open_branch()
434
 
        revid = target.commit('foo')
435
 
        self.assertTrue(branch.repository.has_revision(revid))
436
 
 
437
 
 
438
 
class BzrBranch8(tests.TestCaseWithTransport):
439
 
 
440
 
    def make_branch(self, location, format=None):
441
 
        if format is None:
442
 
            format = controldir.format_registry.make_controldir('1.9')
443
 
            format.set_branch_format(_mod_bzrbranch.BzrBranchFormat8())
444
 
        return tests.TestCaseWithTransport.make_branch(
445
 
            self, location, format=format)
446
 
 
447
 
    def create_branch_with_reference(self):
448
 
        branch = self.make_branch('branch')
449
 
        branch._set_all_reference_info({'path': ('location', b'file-id')})
450
 
        return branch
451
 
 
452
 
    @staticmethod
453
 
    def instrument_branch(branch, gets):
454
 
        old_get = branch._transport.get
455
 
 
456
 
        def get(*args, **kwargs):
457
 
            gets.append((args, kwargs))
458
 
            return old_get(*args, **kwargs)
459
 
        branch._transport.get = get
460
 
 
461
 
    def test_reference_info_caching_read_locked(self):
462
 
        gets = []
463
 
        branch = self.create_branch_with_reference()
464
 
        branch.lock_read()
465
 
        self.addCleanup(branch.unlock)
466
 
        self.instrument_branch(branch, gets)
467
 
        branch.get_reference_info('path')
468
 
        branch.get_reference_info('path')
469
 
        self.assertEqual(1, len(gets))
470
 
 
471
 
    def test_reference_info_caching_read_unlocked(self):
472
 
        gets = []
473
 
        branch = self.create_branch_with_reference()
474
 
        self.instrument_branch(branch, gets)
475
 
        branch.get_reference_info('path')
476
 
        branch.get_reference_info('path')
477
 
        self.assertEqual(2, len(gets))
478
 
 
479
 
    def test_reference_info_caching_write_locked(self):
480
 
        gets = []
481
 
        branch = self.make_branch('branch')
482
 
        branch.lock_write()
483
 
        self.instrument_branch(branch, gets)
484
 
        self.addCleanup(branch.unlock)
485
 
        branch._set_all_reference_info({'path2': ('location2', b'file-id')})
486
 
        location, file_id = branch.get_reference_info('path2')
487
 
        self.assertEqual(0, len(gets))
488
 
        self.assertEqual(b'file-id', file_id)
489
 
        self.assertEqual('location2', location)
490
 
 
491
 
    def test_reference_info_caches_cleared(self):
492
 
        branch = self.make_branch('branch')
493
 
        with branch.lock_write():
494
 
            branch.set_reference_info(b'file-id', 'location2', 'path2')
495
 
        doppelganger = _mod_branch.Branch.open('branch')
496
 
        doppelganger.set_reference_info(b'file-id', 'location3', 'path3')
497
 
        self.assertEqual(('location3', 'path3'),
498
 
                         branch.get_reference_info(b'file-id'))
499
 
 
500
 
    def _recordParentMapCalls(self, repo):
501
 
        self._parent_map_calls = []
502
 
        orig_get_parent_map = repo.revisions.get_parent_map
503
 
 
504
 
        def get_parent_map(q):
505
 
            q = list(q)
506
 
            self._parent_map_calls.extend([e[0] for e in q])
507
 
            return orig_get_parent_map(q)
508
 
        repo.revisions.get_parent_map = get_parent_map
509
 
 
510
 
 
511
 
class TestBranchReference(tests.TestCaseWithTransport):
512
 
    """Tests for the branch reference facility."""
513
 
 
514
 
    def test_create_open_reference(self):
515
 
        bzrdirformat = bzrdir.BzrDirMetaFormat1()
516
 
        t = self.get_transport()
517
 
        t.mkdir('repo')
518
 
        dir = bzrdirformat.initialize(self.get_url('repo'))
519
 
        dir.create_repository()
520
 
        target_branch = dir.create_branch()
521
 
        t.mkdir('branch')
522
 
        branch_dir = bzrdirformat.initialize(self.get_url('branch'))
523
 
        made_branch = _mod_bzrbranch.BranchReferenceFormat().initialize(
524
 
            branch_dir, target_branch=target_branch)
525
 
        self.assertEqual(made_branch.base, target_branch.base)
526
 
        opened_branch = branch_dir.open_branch()
527
 
        self.assertEqual(opened_branch.base, target_branch.base)
528
 
 
529
 
    def test_get_reference(self):
530
 
        """For a BranchReference, get_reference should return the location."""
531
 
        branch = self.make_branch('target')
532
 
        checkout = branch.create_checkout('checkout', lightweight=True)
533
 
        reference_url = branch.controldir.root_transport.abspath('') + '/'
534
 
        # if the api for create_checkout changes to return different checkout types
535
 
        # then this file read will fail.
536
 
        self.assertFileEqual(reference_url.encode('utf-8'),
537
 
                             'checkout/.bzr/branch/location')
538
 
        self.assertEqual(reference_url,
539
 
                         _mod_bzrbranch.BranchReferenceFormat().get_reference(checkout.controldir))
540
 
 
541
 
 
542
 
class TestHooks(tests.TestCaseWithTransport):
543
 
 
544
 
    def test_constructor(self):
545
 
        """Check that creating a BranchHooks instance has the right defaults."""
546
 
        hooks = _mod_branch.BranchHooks()
547
 
        self.assertTrue("post_push" in hooks, "post_push not in %s" % hooks)
548
 
        self.assertTrue("post_commit" in hooks,
549
 
                        "post_commit not in %s" % hooks)
550
 
        self.assertTrue("pre_commit" in hooks, "pre_commit not in %s" % hooks)
551
 
        self.assertTrue("post_pull" in hooks, "post_pull not in %s" % hooks)
552
 
        self.assertTrue("post_uncommit" in hooks,
553
 
                        "post_uncommit not in %s" % hooks)
554
 
        self.assertTrue("post_change_branch_tip" in hooks,
555
 
                        "post_change_branch_tip not in %s" % hooks)
556
 
        self.assertTrue("post_branch_init" in hooks,
557
 
                        "post_branch_init not in %s" % hooks)
558
 
        self.assertTrue("post_switch" in hooks,
559
 
                        "post_switch not in %s" % hooks)
560
 
 
561
 
    def test_installed_hooks_are_BranchHooks(self):
562
 
        """The installed hooks object should be a BranchHooks."""
563
 
        # the installed hooks are saved in self._preserved_hooks.
564
 
        self.assertIsInstance(self._preserved_hooks[_mod_branch.Branch][1],
565
 
                              _mod_branch.BranchHooks)
566
 
 
567
 
    def test_post_branch_init_hook(self):
568
 
        calls = []
569
 
        _mod_branch.Branch.hooks.install_named_hook('post_branch_init',
570
 
                                                    calls.append, None)
571
 
        self.assertLength(0, calls)
572
 
        branch = self.make_branch('a')
573
 
        self.assertLength(1, calls)
574
 
        params = calls[0]
575
 
        self.assertIsInstance(params, _mod_branch.BranchInitHookParams)
576
 
        self.assertTrue(hasattr(params, 'controldir'))
577
 
        self.assertTrue(hasattr(params, 'branch'))
578
 
 
579
 
    def test_post_branch_init_hook_repr(self):
580
 
        param_reprs = []
581
 
        _mod_branch.Branch.hooks.install_named_hook('post_branch_init',
582
 
                                                    lambda params: param_reprs.append(repr(params)), None)
583
 
        branch = self.make_branch('a')
584
 
        self.assertLength(1, param_reprs)
585
 
        param_repr = param_reprs[0]
586
 
        self.assertStartsWith(param_repr, '<BranchInitHookParams of ')
587
 
 
588
 
    def test_post_switch_hook(self):
589
 
        from .. import switch
590
 
        calls = []
591
 
        _mod_branch.Branch.hooks.install_named_hook('post_switch',
592
 
                                                    calls.append, None)
593
 
        tree = self.make_branch_and_tree('branch-1')
594
 
        self.build_tree(['branch-1/file-1'])
595
 
        tree.add('file-1')
596
 
        tree.commit('rev1')
597
 
        to_branch = tree.controldir.sprout('branch-2').open_branch()
598
 
        self.build_tree(['branch-1/file-2'])
599
 
        tree.add('file-2')
600
 
        tree.remove('file-1')
601
 
        tree.commit('rev2')
602
 
        checkout = tree.branch.create_checkout('checkout')
603
 
        self.assertLength(0, calls)
604
 
        switch.switch(checkout.controldir, to_branch)
605
 
        self.assertLength(1, calls)
606
 
        params = calls[0]
607
 
        self.assertIsInstance(params, _mod_branch.SwitchHookParams)
608
 
        self.assertTrue(hasattr(params, 'to_branch'))
609
 
        self.assertTrue(hasattr(params, 'revision_id'))
610
 
 
611
 
 
612
 
class TestBranchOptions(tests.TestCaseWithTransport):
613
 
 
614
 
    def setUp(self):
615
 
        super(TestBranchOptions, self).setUp()
616
 
        self.branch = self.make_branch('.')
617
 
        self.config_stack = self.branch.get_config_stack()
618
 
 
619
 
    def check_append_revisions_only(self, expected_value, value=None):
620
 
        """Set append_revisions_only in config and check its interpretation."""
621
 
        if value is not None:
622
 
            self.config_stack.set('append_revisions_only', value)
623
 
        self.assertEqual(expected_value,
624
 
                         self.branch.get_append_revisions_only())
625
 
 
626
 
    def test_valid_append_revisions_only(self):
627
 
        self.assertEqual(None,
628
 
                         self.config_stack.get('append_revisions_only'))
629
 
        self.check_append_revisions_only(None)
630
 
        self.check_append_revisions_only(False, 'False')
631
 
        self.check_append_revisions_only(True, 'True')
632
 
        # The following values will cause compatibility problems on projects
633
 
        # using older bzr versions (<2.2) but are accepted
634
 
        self.check_append_revisions_only(False, 'false')
635
 
        self.check_append_revisions_only(True, 'true')
636
 
 
637
 
    def test_invalid_append_revisions_only(self):
638
 
        """Ensure warning is noted on invalid settings"""
639
 
        self.warnings = []
640
 
 
641
 
        def warning(*args):
642
 
            self.warnings.append(args[0] % args[1:])
643
 
        self.overrideAttr(trace, 'warning', warning)
644
 
        self.check_append_revisions_only(None, 'not-a-bool')
645
 
        self.assertLength(1, self.warnings)
646
 
        self.assertEqual(
647
 
            'Value "not-a-bool" is not valid for "append_revisions_only"',
648
 
            self.warnings[0])
649
 
 
650
 
    def test_use_fresh_values(self):
651
 
        copy = _mod_branch.Branch.open(self.branch.base)
652
 
        copy.lock_write()
653
 
        try:
654
 
            copy.get_config_stack().set('foo', 'bar')
655
 
        finally:
656
 
            copy.unlock()
657
 
        self.assertFalse(self.branch.is_locked())
658
 
        # Since the branch is locked, the option value won't be saved on disk
659
 
        # so trying to access the config of locked branch via another older
660
 
        # non-locked branch object pointing to the same branch is not supported
661
 
        self.assertEqual(None, self.branch.get_config_stack().get('foo'))
662
 
        # Using a newly created branch object works as expected
663
 
        fresh = _mod_branch.Branch.open(self.branch.base)
664
 
        self.assertEqual('bar', fresh.get_config_stack().get('foo'))
665
 
 
666
 
    def test_set_from_config_get_from_config_stack(self):
667
 
        self.branch.lock_write()
668
 
        self.addCleanup(self.branch.unlock)
669
 
        self.branch.get_config().set_user_option('foo', 'bar')
670
 
        result = self.branch.get_config_stack().get('foo')
671
 
        # https://bugs.launchpad.net/bzr/+bug/948344
672
 
        self.expectFailure('BranchStack uses cache after set_user_option',
673
 
                           self.assertEqual, 'bar', result)
674
 
 
675
 
    def test_set_from_config_stack_get_from_config(self):
676
 
        self.branch.lock_write()
677
 
        self.addCleanup(self.branch.unlock)
678
 
        self.branch.get_config_stack().set('foo', 'bar')
679
 
        # Since the branch is locked, the option value won't be saved on disk
680
 
        # so mixing get() and get_user_option() is broken by design.
681
 
        self.assertEqual(None,
682
 
                         self.branch.get_config().get_user_option('foo'))
683
 
 
684
 
    def test_set_delays_write_when_branch_is_locked(self):
685
 
        self.branch.lock_write()
686
 
        self.addCleanup(self.branch.unlock)
687
 
        self.branch.get_config_stack().set('foo', 'bar')
688
 
        copy = _mod_branch.Branch.open(self.branch.base)
689
 
        result = copy.get_config_stack().get('foo')
690
 
        # Accessing from a different branch object is like accessing from a
691
 
        # different process: the option has not been saved yet and the new
692
 
        # value cannot be seen.
693
 
        self.assertIs(None, result)
694
 
 
695
 
 
696
 
class TestPullResult(tests.TestCase):
697
 
 
698
 
    def test_report_changed(self):
699
 
        r = _mod_branch.PullResult()
700
 
        r.old_revid = b"old-revid"
701
 
        r.old_revno = 10
702
 
        r.new_revid = b"new-revid"
703
 
        r.new_revno = 20
704
 
        f = StringIO()
705
 
        r.report(f)
706
 
        self.assertEqual("Now on revision 20.\n", f.getvalue())
707
 
 
708
 
    def test_report_unchanged(self):
709
 
        r = _mod_branch.PullResult()
710
 
        r.old_revid = b"same-revid"
711
 
        r.new_revid = b"same-revid"
712
 
        f = StringIO()
713
 
        r.report(f)
714
 
        self.assertEqual("No revisions or tags to pull.\n", f.getvalue())