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Viewing changes to bzrlib/tests/test_branch.py

  • Committer: mbp at sourcefrog
  • Date: 2005-04-13 01:48:57 UTC
  • Revision ID: mbp@sourcefrog.net-20050413014857-cc2fa5f3f30fca8e
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1
 
# Copyright (C) 2006-2011 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 cStringIO import StringIO
26
 
 
27
 
from bzrlib import (
28
 
    branch as _mod_branch,
29
 
    bzrdir,
30
 
    config,
31
 
    errors,
32
 
    symbol_versioning,
33
 
    tests,
34
 
    trace,
35
 
    urlutils,
36
 
    )
37
 
 
38
 
 
39
 
class TestDefaultFormat(tests.TestCase):
40
 
 
41
 
    def test_default_format(self):
42
 
        # update this if you change the default branch format
43
 
        self.assertIsInstance(_mod_branch.format_registry.get_default(),
44
 
                _mod_branch.BzrBranchFormat7)
45
 
 
46
 
    def test_default_format_is_same_as_bzrdir_default(self):
47
 
        # XXX: it might be nice if there was only one place the default was
48
 
        # set, but at the moment that's not true -- mbp 20070814 --
49
 
        # https://bugs.launchpad.net/bzr/+bug/132376
50
 
        self.assertEqual(
51
 
            _mod_branch.format_registry.get_default(),
52
 
            bzrdir.BzrDirFormat.get_default_format().get_branch_format())
53
 
 
54
 
    def test_get_set_default_format(self):
55
 
        # set the format and then set it back again
56
 
        old_format = _mod_branch.format_registry.get_default()
57
 
        _mod_branch.format_registry.set_default(SampleBranchFormat())
58
 
        try:
59
 
            # the default branch format is used by the meta dir format
60
 
            # which is not the default bzrdir format at this point
61
 
            dir = bzrdir.BzrDirMetaFormat1().initialize('memory:///')
62
 
            result = dir.create_branch()
63
 
            self.assertEqual(result, 'A branch')
64
 
        finally:
65
 
            _mod_branch.format_registry.set_default(old_format)
66
 
        self.assertEqual(old_format,
67
 
                         _mod_branch.format_registry.get_default())
68
 
 
69
 
 
70
 
class TestBranchFormat5(tests.TestCaseWithTransport):
71
 
    """Tests specific to branch format 5"""
72
 
 
73
 
    def test_branch_format_5_uses_lockdir(self):
74
 
        url = self.get_url()
75
 
        bdir = bzrdir.BzrDirMetaFormat1().initialize(url)
76
 
        bdir.create_repository()
77
 
        branch = _mod_branch.BzrBranchFormat5().initialize(bdir)
78
 
        t = self.get_transport()
79
 
        self.log("branch instance is %r" % branch)
80
 
        self.assert_(isinstance(branch, _mod_branch.BzrBranch5))
81
 
        self.assertIsDirectory('.', t)
82
 
        self.assertIsDirectory('.bzr/branch', t)
83
 
        self.assertIsDirectory('.bzr/branch/lock', t)
84
 
        branch.lock_write()
85
 
        self.addCleanup(branch.unlock)
86
 
        self.assertIsDirectory('.bzr/branch/lock/held', t)
87
 
 
88
 
    def test_set_push_location(self):
89
 
        conf = config.LocationConfig.from_string('# comment\n', '.', save=True)
90
 
 
91
 
        branch = self.make_branch('.', format='knit')
92
 
        branch.set_push_location('foo')
93
 
        local_path = urlutils.local_path_from_url(branch.base[:-1])
94
 
        self.assertFileEqual("# comment\n"
95
 
                             "[%s]\n"
96
 
                             "push_location = foo\n"
97
 
                             "push_location:policy = norecurse\n" % local_path,
98
 
                             config.locations_config_filename())
99
 
 
100
 
    # TODO RBC 20051029 test getting a push location from a branch in a
101
 
    # recursive section - that is, it appends the branch name.
102
 
 
103
 
 
104
 
class SampleBranchFormat(_mod_branch.BranchFormat):
105
 
    """A sample format
106
 
 
107
 
    this format is initializable, unsupported to aid in testing the
108
 
    open and open_downlevel routines.
109
 
    """
110
 
 
111
 
    def get_format_string(self):
112
 
        """See BzrBranchFormat.get_format_string()."""
113
 
        return "Sample branch format."
114
 
 
115
 
    def initialize(self, a_bzrdir, name=None, repository=None,
116
 
                   append_revisions_only=None):
117
 
        """Format 4 branches cannot be created."""
118
 
        t = a_bzrdir.get_branch_transport(self, name=name)
119
 
        t.put_bytes('format', self.get_format_string())
120
 
        return 'A branch'
121
 
 
122
 
    def is_supported(self):
123
 
        return False
124
 
 
125
 
    def open(self, transport, name=None, _found=False, ignore_fallbacks=False):
126
 
        return "opened branch."
127
 
 
128
 
 
129
 
# Demonstrating how lazy loading is often implemented:
130
 
# A constant string is created.
131
 
SampleSupportedBranchFormatString = "Sample supported branch format."
132
 
 
133
 
# And the format class can then reference the constant to avoid skew.
134
 
class SampleSupportedBranchFormat(_mod_branch.BranchFormat):
135
 
    """A sample supported format."""
136
 
 
137
 
    def get_format_string(self):
138
 
        """See BzrBranchFormat.get_format_string()."""
139
 
        return SampleSupportedBranchFormatString
140
 
 
141
 
    def initialize(self, a_bzrdir, name=None, append_revisions_only=None):
142
 
        t = a_bzrdir.get_branch_transport(self, name=name)
143
 
        t.put_bytes('format', self.get_format_string())
144
 
        return 'A branch'
145
 
 
146
 
    def open(self, transport, name=None, _found=False, ignore_fallbacks=False):
147
 
        return "opened supported branch."
148
 
 
149
 
 
150
 
class SampleExtraBranchFormat(_mod_branch.BranchFormat):
151
 
    """A sample format that is not usable in a metadir."""
152
 
 
153
 
    def get_format_string(self):
154
 
        # This format is not usable in a metadir.
155
 
        return None
156
 
 
157
 
    def network_name(self):
158
 
        # Network name always has to be provided.
159
 
        return "extra"
160
 
 
161
 
    def initialize(self, a_bzrdir, name=None):
162
 
        raise NotImplementedError(self.initialize)
163
 
 
164
 
    def open(self, transport, name=None, _found=False, ignore_fallbacks=False):
165
 
        raise NotImplementedError(self.open)
166
 
 
167
 
 
168
 
class TestBzrBranchFormat(tests.TestCaseWithTransport):
169
 
    """Tests for the BzrBranchFormat facility."""
170
 
 
171
 
    def test_find_format(self):
172
 
        # is the right format object found for a branch?
173
 
        # create a branch with a few known format objects.
174
 
        # this is not quite the same as
175
 
        self.build_tree(["foo/", "bar/"])
176
 
        def check_format(format, url):
177
 
            dir = format._matchingbzrdir.initialize(url)
178
 
            dir.create_repository()
179
 
            format.initialize(dir)
180
 
            found_format = _mod_branch.BranchFormat.find_format(dir)
181
 
            self.assertIsInstance(found_format, format.__class__)
182
 
        check_format(_mod_branch.BzrBranchFormat5(), "bar")
183
 
 
184
 
    def test_find_format_factory(self):
185
 
        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
186
 
        SampleSupportedBranchFormat().initialize(dir)
187
 
        factory = _mod_branch.MetaDirBranchFormatFactory(
188
 
            SampleSupportedBranchFormatString,
189
 
            "bzrlib.tests.test_branch", "SampleSupportedBranchFormat")
190
 
        _mod_branch.format_registry.register(factory)
191
 
        self.addCleanup(_mod_branch.format_registry.remove, factory)
192
 
        b = _mod_branch.Branch.open(self.get_url())
193
 
        self.assertEqual(b, "opened supported branch.")
194
 
 
195
 
    def test_find_format_not_branch(self):
196
 
        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
197
 
        self.assertRaises(errors.NotBranchError,
198
 
                          _mod_branch.BranchFormat.find_format,
199
 
                          dir)
200
 
 
201
 
    def test_find_format_unknown_format(self):
202
 
        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
203
 
        SampleBranchFormat().initialize(dir)
204
 
        self.assertRaises(errors.UnknownFormatError,
205
 
                          _mod_branch.BranchFormat.find_format,
206
 
                          dir)
207
 
 
208
 
    def test_register_unregister_format(self):
209
 
        # Test the deprecated format registration functions
210
 
        format = SampleBranchFormat()
211
 
        # make a control dir
212
 
        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
213
 
        # make a branch
214
 
        format.initialize(dir)
215
 
        # register a format for it.
216
 
        self.applyDeprecated(symbol_versioning.deprecated_in((2, 4, 0)),
217
 
            _mod_branch.BranchFormat.register_format, format)
218
 
        # which branch.Open will refuse (not supported)
219
 
        self.assertRaises(errors.UnsupportedFormatError,
220
 
                          _mod_branch.Branch.open, self.get_url())
221
 
        self.make_branch_and_tree('foo')
222
 
        # but open_downlevel will work
223
 
        self.assertEqual(
224
 
            format.open(dir),
225
 
            bzrdir.BzrDir.open(self.get_url()).open_branch(unsupported=True))
226
 
        # unregister the format
227
 
        self.applyDeprecated(symbol_versioning.deprecated_in((2, 4, 0)),
228
 
            _mod_branch.BranchFormat.unregister_format, format)
229
 
        self.make_branch_and_tree('bar')
230
 
 
231
 
 
232
 
class TestBranchFormatRegistry(tests.TestCase):
233
 
 
234
 
    def setUp(self):
235
 
        super(TestBranchFormatRegistry, self).setUp()
236
 
        self.registry = _mod_branch.BranchFormatRegistry()
237
 
 
238
 
    def test_default(self):
239
 
        self.assertIs(None, self.registry.get_default())
240
 
        format = SampleBranchFormat()
241
 
        self.registry.set_default(format)
242
 
        self.assertEquals(format, self.registry.get_default())
243
 
 
244
 
    def test_register_unregister_format(self):
245
 
        format = SampleBranchFormat()
246
 
        self.registry.register(format)
247
 
        self.assertEquals(format,
248
 
            self.registry.get("Sample branch format."))
249
 
        self.registry.remove(format)
250
 
        self.assertRaises(KeyError, self.registry.get,
251
 
            "Sample branch format.")
252
 
 
253
 
    def test_get_all(self):
254
 
        format = SampleBranchFormat()
255
 
        self.assertEquals([], self.registry._get_all())
256
 
        self.registry.register(format)
257
 
        self.assertEquals([format], self.registry._get_all())
258
 
 
259
 
    def test_register_extra(self):
260
 
        format = SampleExtraBranchFormat()
261
 
        self.assertEquals([], self.registry._get_all())
262
 
        self.registry.register_extra(format)
263
 
        self.assertEquals([format], self.registry._get_all())
264
 
 
265
 
    def test_register_extra_lazy(self):
266
 
        self.assertEquals([], self.registry._get_all())
267
 
        self.registry.register_extra_lazy("bzrlib.tests.test_branch",
268
 
            "SampleExtraBranchFormat")
269
 
        formats = self.registry._get_all()
270
 
        self.assertEquals(1, len(formats))
271
 
        self.assertIsInstance(formats[0], SampleExtraBranchFormat)
272
 
 
273
 
 
274
 
#Used by TestMetaDirBranchFormatFactory 
275
 
FakeLazyFormat = None
276
 
 
277
 
 
278
 
class TestMetaDirBranchFormatFactory(tests.TestCase):
279
 
 
280
 
    def test_get_format_string_does_not_load(self):
281
 
        """Formats have a static format string."""
282
 
        factory = _mod_branch.MetaDirBranchFormatFactory("yo", None, None)
283
 
        self.assertEqual("yo", factory.get_format_string())
284
 
 
285
 
    def test_call_loads(self):
286
 
        # __call__ is used by the network_format_registry interface to get a
287
 
        # Format.
288
 
        global FakeLazyFormat
289
 
        del FakeLazyFormat
290
 
        factory = _mod_branch.MetaDirBranchFormatFactory(None,
291
 
            "bzrlib.tests.test_branch", "FakeLazyFormat")
292
 
        self.assertRaises(AttributeError, factory)
293
 
 
294
 
    def test_call_returns_call_of_referenced_object(self):
295
 
        global FakeLazyFormat
296
 
        FakeLazyFormat = lambda:'called'
297
 
        factory = _mod_branch.MetaDirBranchFormatFactory(None,
298
 
            "bzrlib.tests.test_branch", "FakeLazyFormat")
299
 
        self.assertEqual('called', factory())
300
 
 
301
 
 
302
 
class TestBranch67(object):
303
 
    """Common tests for both branch 6 and 7 which are mostly the same."""
304
 
 
305
 
    def get_format_name(self):
306
 
        raise NotImplementedError(self.get_format_name)
307
 
 
308
 
    def get_format_name_subtree(self):
309
 
        raise NotImplementedError(self.get_format_name)
310
 
 
311
 
    def get_class(self):
312
 
        raise NotImplementedError(self.get_class)
313
 
 
314
 
    def test_creation(self):
315
 
        format = bzrdir.BzrDirMetaFormat1()
316
 
        format.set_branch_format(_mod_branch.BzrBranchFormat6())
317
 
        branch = self.make_branch('a', format=format)
318
 
        self.assertIsInstance(branch, self.get_class())
319
 
        branch = self.make_branch('b', format=self.get_format_name())
320
 
        self.assertIsInstance(branch, self.get_class())
321
 
        branch = _mod_branch.Branch.open('a')
322
 
        self.assertIsInstance(branch, self.get_class())
323
 
 
324
 
    def test_layout(self):
325
 
        branch = self.make_branch('a', format=self.get_format_name())
326
 
        self.assertPathExists('a/.bzr/branch/last-revision')
327
 
        self.assertPathDoesNotExist('a/.bzr/branch/revision-history')
328
 
        self.assertPathDoesNotExist('a/.bzr/branch/references')
329
 
 
330
 
    def test_config(self):
331
 
        """Ensure that all configuration data is stored in the branch"""
332
 
        branch = self.make_branch('a', format=self.get_format_name())
333
 
        branch.set_parent('http://example.com')
334
 
        self.assertPathDoesNotExist('a/.bzr/branch/parent')
335
 
        self.assertEqual('http://example.com', branch.get_parent())
336
 
        branch.set_push_location('sftp://example.com')
337
 
        config = branch.get_config()._get_branch_data_config()
338
 
        self.assertEqual('sftp://example.com',
339
 
                         config.get_user_option('push_location'))
340
 
        branch.set_bound_location('ftp://example.com')
341
 
        self.assertPathDoesNotExist('a/.bzr/branch/bound')
342
 
        self.assertEqual('ftp://example.com', branch.get_bound_location())
343
 
 
344
 
    def test_set_revision_history(self):
345
 
        builder = self.make_branch_builder('.', format=self.get_format_name())
346
 
        builder.build_snapshot('foo', None,
347
 
            [('add', ('', None, 'directory', None))],
348
 
            message='foo')
349
 
        builder.build_snapshot('bar', None, [], message='bar')
350
 
        branch = builder.get_branch()
351
 
        branch.lock_write()
352
 
        self.addCleanup(branch.unlock)
353
 
        self.applyDeprecated(symbol_versioning.deprecated_in((2, 4, 0)),
354
 
            branch.set_revision_history, ['foo', 'bar'])
355
 
        self.applyDeprecated(symbol_versioning.deprecated_in((2, 4, 0)),
356
 
                branch.set_revision_history, ['foo'])
357
 
        self.assertRaises(errors.NotLefthandHistory,
358
 
            self.applyDeprecated, symbol_versioning.deprecated_in((2, 4, 0)),
359
 
            branch.set_revision_history, ['bar'])
360
 
 
361
 
    def do_checkout_test(self, lightweight=False):
362
 
        tree = self.make_branch_and_tree('source',
363
 
            format=self.get_format_name_subtree())
364
 
        subtree = self.make_branch_and_tree('source/subtree',
365
 
            format=self.get_format_name_subtree())
366
 
        subsubtree = self.make_branch_and_tree('source/subtree/subsubtree',
367
 
            format=self.get_format_name_subtree())
368
 
        self.build_tree(['source/subtree/file',
369
 
                         'source/subtree/subsubtree/file'])
370
 
        subsubtree.add('file')
371
 
        subtree.add('file')
372
 
        subtree.add_reference(subsubtree)
373
 
        tree.add_reference(subtree)
374
 
        tree.commit('a revision')
375
 
        subtree.commit('a subtree file')
376
 
        subsubtree.commit('a subsubtree file')
377
 
        tree.branch.create_checkout('target', lightweight=lightweight)
378
 
        self.assertPathExists('target')
379
 
        self.assertPathExists('target/subtree')
380
 
        self.assertPathExists('target/subtree/file')
381
 
        self.assertPathExists('target/subtree/subsubtree/file')
382
 
        subbranch = _mod_branch.Branch.open('target/subtree/subsubtree')
383
 
        if lightweight:
384
 
            self.assertEndsWith(subbranch.base, 'source/subtree/subsubtree/')
385
 
        else:
386
 
            self.assertEndsWith(subbranch.base, 'target/subtree/subsubtree/')
387
 
 
388
 
    def test_checkout_with_references(self):
389
 
        self.do_checkout_test()
390
 
 
391
 
    def test_light_checkout_with_references(self):
392
 
        self.do_checkout_test(lightweight=True)
393
 
 
394
 
    def test_set_push(self):
395
 
        branch = self.make_branch('source', format=self.get_format_name())
396
 
        branch.get_config().set_user_option('push_location', 'old',
397
 
            store=config.STORE_LOCATION)
398
 
        warnings = []
399
 
        def warning(*args):
400
 
            warnings.append(args[0] % args[1:])
401
 
        _warning = trace.warning
402
 
        trace.warning = warning
403
 
        try:
404
 
            branch.set_push_location('new')
405
 
        finally:
406
 
            trace.warning = _warning
407
 
        self.assertEqual(warnings[0], 'Value "new" is masked by "old" from '
408
 
                         'locations.conf')
409
 
 
410
 
 
411
 
class TestBranch6(TestBranch67, tests.TestCaseWithTransport):
412
 
 
413
 
    def get_class(self):
414
 
        return _mod_branch.BzrBranch6
415
 
 
416
 
    def get_format_name(self):
417
 
        return "dirstate-tags"
418
 
 
419
 
    def get_format_name_subtree(self):
420
 
        return "dirstate-with-subtree"
421
 
 
422
 
    def test_set_stacked_on_url_errors(self):
423
 
        branch = self.make_branch('a', format=self.get_format_name())
424
 
        self.assertRaises(errors.UnstackableBranchFormat,
425
 
            branch.set_stacked_on_url, None)
426
 
 
427
 
    def test_default_stacked_location(self):
428
 
        branch = self.make_branch('a', format=self.get_format_name())
429
 
        self.assertRaises(errors.UnstackableBranchFormat, branch.get_stacked_on_url)
430
 
 
431
 
 
432
 
class TestBranch7(TestBranch67, tests.TestCaseWithTransport):
433
 
 
434
 
    def get_class(self):
435
 
        return _mod_branch.BzrBranch7
436
 
 
437
 
    def get_format_name(self):
438
 
        return "1.9"
439
 
 
440
 
    def get_format_name_subtree(self):
441
 
        return "development-subtree"
442
 
 
443
 
    def test_set_stacked_on_url_unstackable_repo(self):
444
 
        repo = self.make_repository('a', format='dirstate-tags')
445
 
        control = repo.bzrdir
446
 
        branch = _mod_branch.BzrBranchFormat7().initialize(control)
447
 
        target = self.make_branch('b')
448
 
        self.assertRaises(errors.UnstackableRepositoryFormat,
449
 
            branch.set_stacked_on_url, target.base)
450
 
 
451
 
    def test_clone_stacked_on_unstackable_repo(self):
452
 
        repo = self.make_repository('a', format='dirstate-tags')
453
 
        control = repo.bzrdir
454
 
        branch = _mod_branch.BzrBranchFormat7().initialize(control)
455
 
        # Calling clone should not raise UnstackableRepositoryFormat.
456
 
        cloned_bzrdir = control.clone('cloned')
457
 
 
458
 
    def _test_default_stacked_location(self):
459
 
        branch = self.make_branch('a', format=self.get_format_name())
460
 
        self.assertRaises(errors.NotStacked, branch.get_stacked_on_url)
461
 
 
462
 
    def test_stack_and_unstack(self):
463
 
        branch = self.make_branch('a', format=self.get_format_name())
464
 
        target = self.make_branch_and_tree('b', format=self.get_format_name())
465
 
        branch.set_stacked_on_url(target.branch.base)
466
 
        self.assertEqual(target.branch.base, branch.get_stacked_on_url())
467
 
        revid = target.commit('foo')
468
 
        self.assertTrue(branch.repository.has_revision(revid))
469
 
        branch.set_stacked_on_url(None)
470
 
        self.assertRaises(errors.NotStacked, branch.get_stacked_on_url)
471
 
        self.assertFalse(branch.repository.has_revision(revid))
472
 
 
473
 
    def test_open_opens_stacked_reference(self):
474
 
        branch = self.make_branch('a', format=self.get_format_name())
475
 
        target = self.make_branch_and_tree('b', format=self.get_format_name())
476
 
        branch.set_stacked_on_url(target.branch.base)
477
 
        branch = branch.bzrdir.open_branch()
478
 
        revid = target.commit('foo')
479
 
        self.assertTrue(branch.repository.has_revision(revid))
480
 
 
481
 
 
482
 
class BzrBranch8(tests.TestCaseWithTransport):
483
 
 
484
 
    def make_branch(self, location, format=None):
485
 
        if format is None:
486
 
            format = bzrdir.format_registry.make_bzrdir('1.9')
487
 
            format.set_branch_format(_mod_branch.BzrBranchFormat8())
488
 
        return tests.TestCaseWithTransport.make_branch(
489
 
            self, location, format=format)
490
 
 
491
 
    def create_branch_with_reference(self):
492
 
        branch = self.make_branch('branch')
493
 
        branch._set_all_reference_info({'file-id': ('path', 'location')})
494
 
        return branch
495
 
 
496
 
    @staticmethod
497
 
    def instrument_branch(branch, gets):
498
 
        old_get = branch._transport.get
499
 
        def get(*args, **kwargs):
500
 
            gets.append((args, kwargs))
501
 
            return old_get(*args, **kwargs)
502
 
        branch._transport.get = get
503
 
 
504
 
    def test_reference_info_caching_read_locked(self):
505
 
        gets = []
506
 
        branch = self.create_branch_with_reference()
507
 
        branch.lock_read()
508
 
        self.addCleanup(branch.unlock)
509
 
        self.instrument_branch(branch, gets)
510
 
        branch.get_reference_info('file-id')
511
 
        branch.get_reference_info('file-id')
512
 
        self.assertEqual(1, len(gets))
513
 
 
514
 
    def test_reference_info_caching_read_unlocked(self):
515
 
        gets = []
516
 
        branch = self.create_branch_with_reference()
517
 
        self.instrument_branch(branch, gets)
518
 
        branch.get_reference_info('file-id')
519
 
        branch.get_reference_info('file-id')
520
 
        self.assertEqual(2, len(gets))
521
 
 
522
 
    def test_reference_info_caching_write_locked(self):
523
 
        gets = []
524
 
        branch = self.make_branch('branch')
525
 
        branch.lock_write()
526
 
        self.instrument_branch(branch, gets)
527
 
        self.addCleanup(branch.unlock)
528
 
        branch._set_all_reference_info({'file-id': ('path2', 'location2')})
529
 
        path, location = branch.get_reference_info('file-id')
530
 
        self.assertEqual(0, len(gets))
531
 
        self.assertEqual('path2', path)
532
 
        self.assertEqual('location2', location)
533
 
 
534
 
    def test_reference_info_caches_cleared(self):
535
 
        branch = self.make_branch('branch')
536
 
        branch.lock_write()
537
 
        branch.set_reference_info('file-id', 'path2', 'location2')
538
 
        branch.unlock()
539
 
        doppelganger = _mod_branch.Branch.open('branch')
540
 
        doppelganger.set_reference_info('file-id', 'path3', 'location3')
541
 
        self.assertEqual(('path3', 'location3'),
542
 
                         branch.get_reference_info('file-id'))
543
 
 
544
 
class TestBranchReference(tests.TestCaseWithTransport):
545
 
    """Tests for the branch reference facility."""
546
 
 
547
 
    def test_create_open_reference(self):
548
 
        bzrdirformat = bzrdir.BzrDirMetaFormat1()
549
 
        t = self.get_transport()
550
 
        t.mkdir('repo')
551
 
        dir = bzrdirformat.initialize(self.get_url('repo'))
552
 
        dir.create_repository()
553
 
        target_branch = dir.create_branch()
554
 
        t.mkdir('branch')
555
 
        branch_dir = bzrdirformat.initialize(self.get_url('branch'))
556
 
        made_branch = _mod_branch.BranchReferenceFormat().initialize(
557
 
            branch_dir, target_branch=target_branch)
558
 
        self.assertEqual(made_branch.base, target_branch.base)
559
 
        opened_branch = branch_dir.open_branch()
560
 
        self.assertEqual(opened_branch.base, target_branch.base)
561
 
 
562
 
    def test_get_reference(self):
563
 
        """For a BranchReference, get_reference should reutrn the location."""
564
 
        branch = self.make_branch('target')
565
 
        checkout = branch.create_checkout('checkout', lightweight=True)
566
 
        reference_url = branch.bzrdir.root_transport.abspath('') + '/'
567
 
        # if the api for create_checkout changes to return different checkout types
568
 
        # then this file read will fail.
569
 
        self.assertFileEqual(reference_url, 'checkout/.bzr/branch/location')
570
 
        self.assertEqual(reference_url,
571
 
            _mod_branch.BranchReferenceFormat().get_reference(checkout.bzrdir))
572
 
 
573
 
 
574
 
class TestHooks(tests.TestCaseWithTransport):
575
 
 
576
 
    def test_constructor(self):
577
 
        """Check that creating a BranchHooks instance has the right defaults."""
578
 
        hooks = _mod_branch.BranchHooks()
579
 
        self.assertTrue("set_rh" in hooks, "set_rh not in %s" % hooks)
580
 
        self.assertTrue("post_push" in hooks, "post_push not in %s" % hooks)
581
 
        self.assertTrue("post_commit" in hooks, "post_commit not in %s" % hooks)
582
 
        self.assertTrue("pre_commit" in hooks, "pre_commit not in %s" % hooks)
583
 
        self.assertTrue("post_pull" in hooks, "post_pull not in %s" % hooks)
584
 
        self.assertTrue("post_uncommit" in hooks,
585
 
                        "post_uncommit not in %s" % hooks)
586
 
        self.assertTrue("post_change_branch_tip" in hooks,
587
 
                        "post_change_branch_tip not in %s" % hooks)
588
 
        self.assertTrue("post_branch_init" in hooks,
589
 
                        "post_branch_init not in %s" % hooks)
590
 
        self.assertTrue("post_switch" in hooks,
591
 
                        "post_switch not in %s" % hooks)
592
 
 
593
 
    def test_installed_hooks_are_BranchHooks(self):
594
 
        """The installed hooks object should be a BranchHooks."""
595
 
        # the installed hooks are saved in self._preserved_hooks.
596
 
        self.assertIsInstance(self._preserved_hooks[_mod_branch.Branch][1],
597
 
                              _mod_branch.BranchHooks)
598
 
 
599
 
    def test_post_branch_init_hook(self):
600
 
        calls = []
601
 
        _mod_branch.Branch.hooks.install_named_hook('post_branch_init',
602
 
            calls.append, None)
603
 
        self.assertLength(0, calls)
604
 
        branch = self.make_branch('a')
605
 
        self.assertLength(1, calls)
606
 
        params = calls[0]
607
 
        self.assertIsInstance(params, _mod_branch.BranchInitHookParams)
608
 
        self.assertTrue(hasattr(params, 'bzrdir'))
609
 
        self.assertTrue(hasattr(params, 'branch'))
610
 
 
611
 
    def test_post_branch_init_hook_repr(self):
612
 
        param_reprs = []
613
 
        _mod_branch.Branch.hooks.install_named_hook('post_branch_init',
614
 
            lambda params: param_reprs.append(repr(params)), None)
615
 
        branch = self.make_branch('a')
616
 
        self.assertLength(1, param_reprs)
617
 
        param_repr = param_reprs[0]
618
 
        self.assertStartsWith(param_repr, '<BranchInitHookParams of ')
619
 
 
620
 
    def test_post_switch_hook(self):
621
 
        from bzrlib import switch
622
 
        calls = []
623
 
        _mod_branch.Branch.hooks.install_named_hook('post_switch',
624
 
            calls.append, None)
625
 
        tree = self.make_branch_and_tree('branch-1')
626
 
        self.build_tree(['branch-1/file-1'])
627
 
        tree.add('file-1')
628
 
        tree.commit('rev1')
629
 
        to_branch = tree.bzrdir.sprout('branch-2').open_branch()
630
 
        self.build_tree(['branch-1/file-2'])
631
 
        tree.add('file-2')
632
 
        tree.remove('file-1')
633
 
        tree.commit('rev2')
634
 
        checkout = tree.branch.create_checkout('checkout')
635
 
        self.assertLength(0, calls)
636
 
        switch.switch(checkout.bzrdir, to_branch)
637
 
        self.assertLength(1, calls)
638
 
        params = calls[0]
639
 
        self.assertIsInstance(params, _mod_branch.SwitchHookParams)
640
 
        self.assertTrue(hasattr(params, 'to_branch'))
641
 
        self.assertTrue(hasattr(params, 'revision_id'))
642
 
 
643
 
 
644
 
class TestBranchOptions(tests.TestCaseWithTransport):
645
 
 
646
 
    def setUp(self):
647
 
        super(TestBranchOptions, self).setUp()
648
 
        self.branch = self.make_branch('.')
649
 
        self.config = self.branch.get_config()
650
 
 
651
 
    def check_append_revisions_only(self, expected_value, value=None):
652
 
        """Set append_revisions_only in config and check its interpretation."""
653
 
        if value is not None:
654
 
            self.config.set_user_option('append_revisions_only', value)
655
 
        self.assertEqual(expected_value,
656
 
                         self.branch.get_append_revisions_only())
657
 
 
658
 
    def test_valid_append_revisions_only(self):
659
 
        self.assertEquals(None,
660
 
                          self.config.get_user_option('append_revisions_only'))
661
 
        self.check_append_revisions_only(None)
662
 
        self.check_append_revisions_only(False, 'False')
663
 
        self.check_append_revisions_only(True, 'True')
664
 
        # The following values will cause compatibility problems on projects
665
 
        # using older bzr versions (<2.2) but are accepted
666
 
        self.check_append_revisions_only(False, 'false')
667
 
        self.check_append_revisions_only(True, 'true')
668
 
 
669
 
    def test_invalid_append_revisions_only(self):
670
 
        """Ensure warning is noted on invalid settings"""
671
 
        self.warnings = []
672
 
        def warning(*args):
673
 
            self.warnings.append(args[0] % args[1:])
674
 
        self.overrideAttr(trace, 'warning', warning)
675
 
        self.check_append_revisions_only(None, 'not-a-bool')
676
 
        self.assertLength(1, self.warnings)
677
 
        self.assertEqual(
678
 
            'Value "not-a-bool" is not a boolean for "append_revisions_only"',
679
 
            self.warnings[0])
680
 
 
681
 
 
682
 
class TestPullResult(tests.TestCase):
683
 
 
684
 
    def test_pull_result_to_int(self):
685
 
        # to support old code, the pull result can be used as an int
686
 
        r = _mod_branch.PullResult()
687
 
        r.old_revno = 10
688
 
        r.new_revno = 20
689
 
        # this usage of results is not recommended for new code (because it
690
 
        # doesn't describe very well what happened), but for api stability
691
 
        # it's still supported
692
 
        self.assertEqual(self.applyDeprecated(
693
 
            symbol_versioning.deprecated_in((2, 3, 0)),
694
 
            r.__int__),
695
 
            10)
696
 
 
697
 
    def test_report_changed(self):
698
 
        r = _mod_branch.PullResult()
699
 
        r.old_revid = "old-revid"
700
 
        r.old_revno = 10
701
 
        r.new_revid = "new-revid"
702
 
        r.new_revno = 20
703
 
        f = StringIO()
704
 
        r.report(f)
705
 
        self.assertEqual("Now on revision 20.\n", f.getvalue())
706
 
 
707
 
    def test_report_unchanged(self):
708
 
        r = _mod_branch.PullResult()
709
 
        r.old_revid = "same-revid"
710
 
        r.new_revid = "same-revid"
711
 
        f = StringIO()
712
 
        r.report(f)
713
 
        self.assertEqual("No revisions or tags to pull.\n", f.getvalue())
714