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Viewing changes to bzrlib/tests/test_branch.py

(vila) Fix bug #701212,
 don't set the tag dict of the master branch you are updating from. (John A
 Meinel)

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bzrlib/tests/test_branch.py
1
 
# Copyright (C) 2006-2011 Canonical Ltd
 
1
# Copyright (C) 2006-2010 Canonical Ltd
2
2
#
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3
# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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"""Tests for the Branch facility that are not interface  tests.
18
18
 
19
 
For interface tests see `tests/per_branch/*.py`.
 
19
For interface tests see tests/per_branch/*.py.
20
20
 
21
21
For concrete class tests see this file, and for meta-branch tests
22
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also see this file.
32
32
    symbol_versioning,
33
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    tests,
34
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    trace,
 
35
    transport,
35
36
    urlutils,
36
37
    )
37
38
 
40
41
 
41
42
    def test_default_format(self):
42
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        # update this if you change the default branch format
43
 
        self.assertIsInstance(_mod_branch.format_registry.get_default(),
 
44
        self.assertIsInstance(_mod_branch.BranchFormat.get_default_format(),
44
45
                _mod_branch.BzrBranchFormat7)
45
46
 
46
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    def test_default_format_is_same_as_bzrdir_default(self):
48
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        # set, but at the moment that's not true -- mbp 20070814 --
49
50
        # https://bugs.launchpad.net/bzr/+bug/132376
50
51
        self.assertEqual(
51
 
            _mod_branch.format_registry.get_default(),
 
52
            _mod_branch.BranchFormat.get_default_format(),
52
53
            bzrdir.BzrDirFormat.get_default_format().get_branch_format())
53
54
 
54
55
    def test_get_set_default_format(self):
55
56
        # 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())
 
57
        old_format = _mod_branch.BranchFormat.get_default_format()
 
58
        _mod_branch.BranchFormat.set_default_format(SampleBranchFormat())
58
59
        try:
59
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            # the default branch format is used by the meta dir format
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            # which is not the default bzrdir format at this point
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            result = dir.create_branch()
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            self.assertEqual(result, 'A branch')
64
65
        finally:
65
 
            _mod_branch.format_registry.set_default(old_format)
 
66
            _mod_branch.BranchFormat.set_default_format(old_format)
66
67
        self.assertEqual(old_format,
67
 
                         _mod_branch.format_registry.get_default())
 
68
                         _mod_branch.BranchFormat.get_default_format())
68
69
 
69
70
 
70
71
class TestBranchFormat5(tests.TestCaseWithTransport):
74
75
        url = self.get_url()
75
76
        bdir = bzrdir.BzrDirMetaFormat1().initialize(url)
76
77
        bdir.create_repository()
77
 
        branch = _mod_branch.BzrBranchFormat5().initialize(bdir)
 
78
        branch = bdir.create_branch()
78
79
        t = self.get_transport()
79
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        self.log("branch instance is %r" % branch)
80
81
        self.assert_(isinstance(branch, _mod_branch.BzrBranch5))
146
147
        return "opened supported branch."
147
148
 
148
149
 
149
 
class SampleExtraBranchFormat(_mod_branch.BranchFormat):
150
 
    """A sample format that is not usable in a metadir."""
151
 
 
152
 
    def get_format_string(self):
153
 
        # This format is not usable in a metadir.
154
 
        return None
155
 
 
156
 
    def network_name(self):
157
 
        # Network name always has to be provided.
158
 
        return "extra"
159
 
 
160
 
    def initialize(self, a_bzrdir, name=None):
161
 
        raise NotImplementedError(self.initialize)
162
 
 
163
 
    def open(self, transport, name=None, _found=False, ignore_fallbacks=False):
164
 
        raise NotImplementedError(self.open)
165
 
 
166
 
 
167
150
class TestBzrBranchFormat(tests.TestCaseWithTransport):
168
151
    """Tests for the BzrBranchFormat facility."""
169
152
 
177
160
            dir.create_repository()
178
161
            format.initialize(dir)
179
162
            found_format = _mod_branch.BranchFormat.find_format(dir)
180
 
            self.assertIsInstance(found_format, format.__class__)
 
163
            self.failUnless(isinstance(found_format, format.__class__))
181
164
        check_format(_mod_branch.BzrBranchFormat5(), "bar")
182
165
 
183
166
    def test_find_format_factory(self):
186
169
        factory = _mod_branch.MetaDirBranchFormatFactory(
187
170
            SampleSupportedBranchFormatString,
188
171
            "bzrlib.tests.test_branch", "SampleSupportedBranchFormat")
189
 
        _mod_branch.format_registry.register(factory)
190
 
        self.addCleanup(_mod_branch.format_registry.remove, factory)
 
172
        _mod_branch.BranchFormat.register_format(factory)
 
173
        self.addCleanup(_mod_branch.BranchFormat.unregister_format, factory)
191
174
        b = _mod_branch.Branch.open(self.get_url())
192
175
        self.assertEqual(b, "opened supported branch.")
193
176
 
205
188
                          dir)
206
189
 
207
190
    def test_register_unregister_format(self):
208
 
        # Test the deprecated format registration functions
209
191
        format = SampleBranchFormat()
210
192
        # make a control dir
211
193
        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
212
194
        # make a branch
213
195
        format.initialize(dir)
214
196
        # register a format for it.
215
 
        self.applyDeprecated(symbol_versioning.deprecated_in((2, 4, 0)),
216
 
            _mod_branch.BranchFormat.register_format, format)
 
197
        _mod_branch.BranchFormat.register_format(format)
217
198
        # which branch.Open will refuse (not supported)
218
199
        self.assertRaises(errors.UnsupportedFormatError,
219
200
                          _mod_branch.Branch.open, self.get_url())
223
204
            format.open(dir),
224
205
            bzrdir.BzrDir.open(self.get_url()).open_branch(unsupported=True))
225
206
        # unregister the format
226
 
        self.applyDeprecated(symbol_versioning.deprecated_in((2, 4, 0)),
227
 
            _mod_branch.BranchFormat.unregister_format, format)
 
207
        _mod_branch.BranchFormat.unregister_format(format)
228
208
        self.make_branch_and_tree('bar')
229
209
 
230
210
 
231
 
class TestBranchFormatRegistry(tests.TestCase):
232
 
 
233
 
    def setUp(self):
234
 
        super(TestBranchFormatRegistry, self).setUp()
235
 
        self.registry = _mod_branch.BranchFormatRegistry()
236
 
 
237
 
    def test_default(self):
238
 
        self.assertIs(None, self.registry.get_default())
239
 
        format = SampleBranchFormat()
240
 
        self.registry.set_default(format)
241
 
        self.assertEquals(format, self.registry.get_default())
242
 
 
243
 
    def test_register_unregister_format(self):
244
 
        format = SampleBranchFormat()
245
 
        self.registry.register(format)
246
 
        self.assertEquals(format,
247
 
            self.registry.get("Sample branch format."))
248
 
        self.registry.remove(format)
249
 
        self.assertRaises(KeyError, self.registry.get,
250
 
            "Sample branch format.")
251
 
 
252
 
    def test_get_all(self):
253
 
        format = SampleBranchFormat()
254
 
        self.assertEquals([], self.registry._get_all())
255
 
        self.registry.register(format)
256
 
        self.assertEquals([format], self.registry._get_all())
257
 
 
258
 
    def test_register_extra(self):
259
 
        format = SampleExtraBranchFormat()
260
 
        self.assertEquals([], self.registry._get_all())
261
 
        self.registry.register_extra(format)
262
 
        self.assertEquals([format], self.registry._get_all())
263
 
 
264
 
    def test_register_extra_lazy(self):
265
 
        self.assertEquals([], self.registry._get_all())
266
 
        self.registry.register_extra_lazy("bzrlib.tests.test_branch",
267
 
            "SampleExtraBranchFormat")
268
 
        formats = self.registry._get_all()
269
 
        self.assertEquals(1, len(formats))
270
 
        self.assertIsInstance(formats[0], SampleExtraBranchFormat)
271
 
 
272
 
 
273
211
#Used by TestMetaDirBranchFormatFactory 
274
212
FakeLazyFormat = None
275
213
 
322
260
 
323
261
    def test_layout(self):
324
262
        branch = self.make_branch('a', format=self.get_format_name())
325
 
        self.assertPathExists('a/.bzr/branch/last-revision')
326
 
        self.assertPathDoesNotExist('a/.bzr/branch/revision-history')
327
 
        self.assertPathDoesNotExist('a/.bzr/branch/references')
 
263
        self.failUnlessExists('a/.bzr/branch/last-revision')
 
264
        self.failIfExists('a/.bzr/branch/revision-history')
 
265
        self.failIfExists('a/.bzr/branch/references')
328
266
 
329
267
    def test_config(self):
330
268
        """Ensure that all configuration data is stored in the branch"""
331
269
        branch = self.make_branch('a', format=self.get_format_name())
332
270
        branch.set_parent('http://example.com')
333
 
        self.assertPathDoesNotExist('a/.bzr/branch/parent')
 
271
        self.failIfExists('a/.bzr/branch/parent')
334
272
        self.assertEqual('http://example.com', branch.get_parent())
335
273
        branch.set_push_location('sftp://example.com')
336
274
        config = branch.get_config()._get_branch_data_config()
337
275
        self.assertEqual('sftp://example.com',
338
276
                         config.get_user_option('push_location'))
339
277
        branch.set_bound_location('ftp://example.com')
340
 
        self.assertPathDoesNotExist('a/.bzr/branch/bound')
 
278
        self.failIfExists('a/.bzr/branch/bound')
341
279
        self.assertEqual('ftp://example.com', branch.get_bound_location())
342
280
 
343
281
    def test_set_revision_history(self):
349
287
        branch = builder.get_branch()
350
288
        branch.lock_write()
351
289
        self.addCleanup(branch.unlock)
352
 
        self.applyDeprecated(symbol_versioning.deprecated_in((2, 4, 0)),
353
 
            branch.set_revision_history, ['foo', 'bar'])
354
 
        self.applyDeprecated(symbol_versioning.deprecated_in((2, 4, 0)),
355
 
                branch.set_revision_history, ['foo'])
 
290
        branch.set_revision_history(['foo', 'bar'])
 
291
        branch.set_revision_history(['foo'])
356
292
        self.assertRaises(errors.NotLefthandHistory,
357
 
            self.applyDeprecated, symbol_versioning.deprecated_in((2, 4, 0)),
358
 
            branch.set_revision_history, ['bar'])
 
293
                          branch.set_revision_history, ['bar'])
359
294
 
360
295
    def do_checkout_test(self, lightweight=False):
361
296
        tree = self.make_branch_and_tree('source',
374
309
        subtree.commit('a subtree file')
375
310
        subsubtree.commit('a subsubtree file')
376
311
        tree.branch.create_checkout('target', lightweight=lightweight)
377
 
        self.assertPathExists('target')
378
 
        self.assertPathExists('target/subtree')
379
 
        self.assertPathExists('target/subtree/file')
380
 
        self.assertPathExists('target/subtree/subsubtree/file')
 
312
        self.failUnlessExists('target')
 
313
        self.failUnlessExists('target/subtree')
 
314
        self.failUnlessExists('target/subtree/file')
 
315
        self.failUnlessExists('target/subtree/subsubtree/file')
381
316
        subbranch = _mod_branch.Branch.open('target/subtree/subsubtree')
382
317
        if lightweight:
383
318
            self.assertEndsWith(subbranch.base, 'source/subtree/subsubtree/')
545
480
 
546
481
    def test_create_open_reference(self):
547
482
        bzrdirformat = bzrdir.BzrDirMetaFormat1()
548
 
        t = self.get_transport()
 
483
        t = transport.get_transport(self.get_url('.'))
549
484
        t.mkdir('repo')
550
485
        dir = bzrdirformat.initialize(self.get_url('repo'))
551
486
        dir.create_repository()
711
646
        r.report(f)
712
647
        self.assertEqual("No revisions to pull.\n", f.getvalue())
713
648
 
 
649
 
 
650
class _StubLockable(object):
 
651
    """Helper for TestRunWithWriteLockedTarget."""
 
652
 
 
653
    def __init__(self, calls, unlock_exc=None):
 
654
        self.calls = calls
 
655
        self.unlock_exc = unlock_exc
 
656
 
 
657
    def lock_write(self):
 
658
        self.calls.append('lock_write')
 
659
 
 
660
    def unlock(self):
 
661
        self.calls.append('unlock')
 
662
        if self.unlock_exc is not None:
 
663
            raise self.unlock_exc
 
664
 
 
665
 
 
666
class _ErrorFromCallable(Exception):
 
667
    """Helper for TestRunWithWriteLockedTarget."""
 
668
 
 
669
 
 
670
class _ErrorFromUnlock(Exception):
 
671
    """Helper for TestRunWithWriteLockedTarget."""
 
672
 
 
673
 
 
674
class TestRunWithWriteLockedTarget(tests.TestCase):
 
675
    """Tests for _run_with_write_locked_target."""
 
676
 
 
677
    def setUp(self):
 
678
        tests.TestCase.setUp(self)
 
679
        self._calls = []
 
680
 
 
681
    def func_that_returns_ok(self):
 
682
        self._calls.append('func called')
 
683
        return 'ok'
 
684
 
 
685
    def func_that_raises(self):
 
686
        self._calls.append('func called')
 
687
        raise _ErrorFromCallable()
 
688
 
 
689
    def test_success_unlocks(self):
 
690
        lockable = _StubLockable(self._calls)
 
691
        result = _mod_branch._run_with_write_locked_target(
 
692
            lockable, self.func_that_returns_ok)
 
693
        self.assertEqual('ok', result)
 
694
        self.assertEqual(['lock_write', 'func called', 'unlock'], self._calls)
 
695
 
 
696
    def test_exception_unlocks_and_propagates(self):
 
697
        lockable = _StubLockable(self._calls)
 
698
        self.assertRaises(_ErrorFromCallable,
 
699
                          _mod_branch._run_with_write_locked_target,
 
700
                          lockable, self.func_that_raises)
 
701
        self.assertEqual(['lock_write', 'func called', 'unlock'], self._calls)
 
702
 
 
703
    def test_callable_succeeds_but_error_during_unlock(self):
 
704
        lockable = _StubLockable(self._calls, unlock_exc=_ErrorFromUnlock())
 
705
        self.assertRaises(_ErrorFromUnlock,
 
706
                          _mod_branch._run_with_write_locked_target,
 
707
                          lockable, self.func_that_returns_ok)
 
708
        self.assertEqual(['lock_write', 'func called', 'unlock'], self._calls)
 
709
 
 
710
    def test_error_during_unlock_does_not_mask_original_error(self):
 
711
        lockable = _StubLockable(self._calls, unlock_exc=_ErrorFromUnlock())
 
712
        self.assertRaises(_ErrorFromCallable,
 
713
                          _mod_branch._run_with_write_locked_target,
 
714
                          lockable, self.func_that_raises)
 
715
        self.assertEqual(['lock_write', 'func called', 'unlock'], self._calls)
 
716
 
 
717