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Viewing changes to bzrlib/tests/test_branch.py

  • Committer: Aaron Bentley
  • Date: 2009-04-22 20:08:25 UTC
  • mto: This revision was merged to the branch mainline in revision 4302.
  • Revision ID: aaron@aaronbentley.com-20090422200825-nhpatpznn1rbfz39
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bzrlib/tests/test_branch.py
1
 
# Copyright (C) 2006-2010 Canonical Ltd
 
1
# Copyright (C) 2005, 2006, 2007 Canonical Ltd
2
2
#
3
3
# This program is free software; you can redistribute it and/or modify
4
4
# it under the terms of the GNU General Public License as published by
16
16
 
17
17
"""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/branch_implementations/*.py.
20
20
 
21
21
For concrete class tests see this file, and for meta-branch tests
22
22
also see this file.
23
23
"""
24
24
 
25
 
from cStringIO import StringIO
 
25
from StringIO import StringIO
26
26
 
27
27
from bzrlib import (
28
28
    branch as _mod_branch,
29
29
    bzrdir,
30
30
    config,
31
31
    errors,
32
 
    tests,
33
32
    trace,
34
 
    transport,
35
33
    urlutils,
36
34
    )
37
 
 
38
 
 
39
 
class TestDefaultFormat(tests.TestCase):
 
35
from bzrlib.branch import (
 
36
    Branch,
 
37
    BranchHooks,
 
38
    BranchFormat,
 
39
    BranchReferenceFormat,
 
40
    BzrBranch5,
 
41
    BzrBranchFormat5,
 
42
    BzrBranchFormat6,
 
43
    PullResult,
 
44
    _run_with_write_locked_target,
 
45
    )
 
46
from bzrlib.bzrdir import (BzrDirMetaFormat1, BzrDirMeta1,
 
47
                           BzrDir, BzrDirFormat)
 
48
from bzrlib.errors import (NotBranchError,
 
49
                           UnknownFormatError,
 
50
                           UnknownHook,
 
51
                           UnsupportedFormatError,
 
52
                           )
 
53
 
 
54
from bzrlib.tests import TestCase, TestCaseWithTransport
 
55
from bzrlib.transport import get_transport
 
56
 
 
57
 
 
58
class TestDefaultFormat(TestCase):
40
59
 
41
60
    def test_default_format(self):
42
61
        # update this if you change the default branch format
43
 
        self.assertIsInstance(_mod_branch.BranchFormat.get_default_format(),
44
 
                _mod_branch.BzrBranchFormat7)
 
62
        self.assertIsInstance(BranchFormat.get_default_format(),
 
63
                BzrBranchFormat6)
45
64
 
46
65
    def test_default_format_is_same_as_bzrdir_default(self):
47
66
        # XXX: it might be nice if there was only one place the default was
48
67
        # set, but at the moment that's not true -- mbp 20070814 --
49
68
        # https://bugs.launchpad.net/bzr/+bug/132376
50
 
        self.assertEqual(
51
 
            _mod_branch.BranchFormat.get_default_format(),
52
 
            bzrdir.BzrDirFormat.get_default_format().get_branch_format())
 
69
        self.assertEqual(BranchFormat.get_default_format(),
 
70
                BzrDirFormat.get_default_format().get_branch_format())
53
71
 
54
72
    def test_get_set_default_format(self):
55
73
        # set the format and then set it back again
56
 
        old_format = _mod_branch.BranchFormat.get_default_format()
57
 
        _mod_branch.BranchFormat.set_default_format(SampleBranchFormat())
 
74
        old_format = BranchFormat.get_default_format()
 
75
        BranchFormat.set_default_format(SampleBranchFormat())
58
76
        try:
59
77
            # the default branch format is used by the meta dir format
60
78
            # which is not the default bzrdir format at this point
61
 
            dir = bzrdir.BzrDirMetaFormat1().initialize('memory:///')
 
79
            dir = BzrDirMetaFormat1().initialize('memory:///')
62
80
            result = dir.create_branch()
63
81
            self.assertEqual(result, 'A branch')
64
82
        finally:
65
 
            _mod_branch.BranchFormat.set_default_format(old_format)
66
 
        self.assertEqual(old_format,
67
 
                         _mod_branch.BranchFormat.get_default_format())
68
 
 
69
 
 
70
 
class TestBranchFormat5(tests.TestCaseWithTransport):
 
83
            BranchFormat.set_default_format(old_format)
 
84
        self.assertEqual(old_format, BranchFormat.get_default_format())
 
85
 
 
86
 
 
87
class TestBranchFormat5(TestCaseWithTransport):
71
88
    """Tests specific to branch format 5"""
72
89
 
73
90
    def test_branch_format_5_uses_lockdir(self):
74
91
        url = self.get_url()
75
 
        bdir = bzrdir.BzrDirMetaFormat1().initialize(url)
76
 
        bdir.create_repository()
77
 
        branch = bdir.create_branch()
 
92
        bzrdir = BzrDirMetaFormat1().initialize(url)
 
93
        bzrdir.create_repository()
 
94
        branch = bzrdir.create_branch()
78
95
        t = self.get_transport()
79
96
        self.log("branch instance is %r" % branch)
80
 
        self.assert_(isinstance(branch, _mod_branch.BzrBranch5))
 
97
        self.assert_(isinstance(branch, BzrBranch5))
81
98
        self.assertIsDirectory('.', t)
82
99
        self.assertIsDirectory('.bzr/branch', t)
83
100
        self.assertIsDirectory('.bzr/branch/lock', t)
84
101
        branch.lock_write()
85
 
        self.addCleanup(branch.unlock)
86
 
        self.assertIsDirectory('.bzr/branch/lock/held', t)
 
102
        try:
 
103
            self.assertIsDirectory('.bzr/branch/lock/held', t)
 
104
        finally:
 
105
            branch.unlock()
87
106
 
88
107
    def test_set_push_location(self):
89
108
        from bzrlib.config import (locations_config_filename,
112
131
    # recursive section - that is, it appends the branch name.
113
132
 
114
133
 
115
 
class SampleBranchFormat(_mod_branch.BranchFormat):
 
134
class SampleBranchFormat(BranchFormat):
116
135
    """A sample format
117
136
 
118
137
    this format is initializable, unsupported to aid in testing the
123
142
        """See BzrBranchFormat.get_format_string()."""
124
143
        return "Sample branch format."
125
144
 
126
 
    def initialize(self, a_bzrdir, name=None):
 
145
    def initialize(self, a_bzrdir):
127
146
        """Format 4 branches cannot be created."""
128
 
        t = a_bzrdir.get_branch_transport(self, name=name)
 
147
        t = a_bzrdir.get_branch_transport(self)
129
148
        t.put_bytes('format', self.get_format_string())
130
149
        return 'A branch'
131
150
 
132
151
    def is_supported(self):
133
152
        return False
134
153
 
135
 
    def open(self, transport, name=None, _found=False, ignore_fallbacks=False):
 
154
    def open(self, transport, _found=False, ignore_fallbacks=False):
136
155
        return "opened branch."
137
156
 
138
157
 
139
 
class TestBzrBranchFormat(tests.TestCaseWithTransport):
 
158
class TestBzrBranchFormat(TestCaseWithTransport):
140
159
    """Tests for the BzrBranchFormat facility."""
141
160
 
142
161
    def test_find_format(self):
148
167
            dir = format._matchingbzrdir.initialize(url)
149
168
            dir.create_repository()
150
169
            format.initialize(dir)
151
 
            found_format = _mod_branch.BranchFormat.find_format(dir)
 
170
            found_format = BranchFormat.find_format(dir)
152
171
            self.failUnless(isinstance(found_format, format.__class__))
153
 
        check_format(_mod_branch.BzrBranchFormat5(), "bar")
 
172
        check_format(BzrBranchFormat5(), "bar")
154
173
 
155
174
    def test_find_format_not_branch(self):
156
175
        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
157
 
        self.assertRaises(errors.NotBranchError,
158
 
                          _mod_branch.BranchFormat.find_format,
 
176
        self.assertRaises(NotBranchError,
 
177
                          BranchFormat.find_format,
159
178
                          dir)
160
179
 
161
180
    def test_find_format_unknown_format(self):
162
181
        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
163
182
        SampleBranchFormat().initialize(dir)
164
 
        self.assertRaises(errors.UnknownFormatError,
165
 
                          _mod_branch.BranchFormat.find_format,
 
183
        self.assertRaises(UnknownFormatError,
 
184
                          BranchFormat.find_format,
166
185
                          dir)
167
186
 
168
187
    def test_register_unregister_format(self):
172
191
        # make a branch
173
192
        format.initialize(dir)
174
193
        # register a format for it.
175
 
        _mod_branch.BranchFormat.register_format(format)
 
194
        BranchFormat.register_format(format)
176
195
        # which branch.Open will refuse (not supported)
177
 
        self.assertRaises(errors.UnsupportedFormatError,
178
 
                          _mod_branch.Branch.open, self.get_url())
 
196
        self.assertRaises(UnsupportedFormatError, Branch.open, self.get_url())
179
197
        self.make_branch_and_tree('foo')
180
198
        # but open_downlevel will work
181
 
        self.assertEqual(
182
 
            format.open(dir),
183
 
            bzrdir.BzrDir.open(self.get_url()).open_branch(unsupported=True))
 
199
        self.assertEqual(format.open(dir), bzrdir.BzrDir.open(self.get_url()).open_branch(unsupported=True))
184
200
        # unregister the format
185
 
        _mod_branch.BranchFormat.unregister_format(format)
 
201
        BranchFormat.unregister_format(format)
186
202
        self.make_branch_and_tree('bar')
187
203
 
188
204
 
199
215
        raise NotImplementedError(self.get_class)
200
216
 
201
217
    def test_creation(self):
202
 
        format = bzrdir.BzrDirMetaFormat1()
 
218
        format = BzrDirMetaFormat1()
203
219
        format.set_branch_format(_mod_branch.BzrBranchFormat6())
204
220
        branch = self.make_branch('a', format=format)
205
221
        self.assertIsInstance(branch, self.get_class())
292
308
                         'locations.conf')
293
309
 
294
310
 
295
 
class TestBranch6(TestBranch67, tests.TestCaseWithTransport):
 
311
class TestBranch6(TestBranch67, TestCaseWithTransport):
296
312
 
297
313
    def get_class(self):
298
314
        return _mod_branch.BzrBranch6
313
329
        self.assertRaises(errors.UnstackableBranchFormat, branch.get_stacked_on_url)
314
330
 
315
331
 
316
 
class TestBranch7(TestBranch67, tests.TestCaseWithTransport):
 
332
class TestBranch7(TestBranch67, TestCaseWithTransport):
317
333
 
318
334
    def get_class(self):
319
335
        return _mod_branch.BzrBranch7
363
379
        self.assertTrue(branch.repository.has_revision(revid))
364
380
 
365
381
 
366
 
class BzrBranch8(tests.TestCaseWithTransport):
367
 
 
368
 
    def make_branch(self, location, format=None):
369
 
        if format is None:
370
 
            format = bzrdir.format_registry.make_bzrdir('1.9')
371
 
            format.set_branch_format(_mod_branch.BzrBranchFormat8())
372
 
        return tests.TestCaseWithTransport.make_branch(
373
 
            self, location, format=format)
374
 
 
375
 
    def create_branch_with_reference(self):
376
 
        branch = self.make_branch('branch')
377
 
        branch._set_all_reference_info({'file-id': ('path', 'location')})
378
 
        return branch
379
 
 
380
 
    @staticmethod
381
 
    def instrument_branch(branch, gets):
382
 
        old_get = branch._transport.get
383
 
        def get(*args, **kwargs):
384
 
            gets.append((args, kwargs))
385
 
            return old_get(*args, **kwargs)
386
 
        branch._transport.get = get
387
 
 
388
 
    def test_reference_info_caching_read_locked(self):
389
 
        gets = []
390
 
        branch = self.create_branch_with_reference()
391
 
        branch.lock_read()
392
 
        self.addCleanup(branch.unlock)
393
 
        self.instrument_branch(branch, gets)
394
 
        branch.get_reference_info('file-id')
395
 
        branch.get_reference_info('file-id')
396
 
        self.assertEqual(1, len(gets))
397
 
 
398
 
    def test_reference_info_caching_read_unlocked(self):
399
 
        gets = []
400
 
        branch = self.create_branch_with_reference()
401
 
        self.instrument_branch(branch, gets)
402
 
        branch.get_reference_info('file-id')
403
 
        branch.get_reference_info('file-id')
404
 
        self.assertEqual(2, len(gets))
405
 
 
406
 
    def test_reference_info_caching_write_locked(self):
407
 
        gets = []
408
 
        branch = self.make_branch('branch')
409
 
        branch.lock_write()
410
 
        self.instrument_branch(branch, gets)
411
 
        self.addCleanup(branch.unlock)
412
 
        branch._set_all_reference_info({'file-id': ('path2', 'location2')})
413
 
        path, location = branch.get_reference_info('file-id')
414
 
        self.assertEqual(0, len(gets))
415
 
        self.assertEqual('path2', path)
416
 
        self.assertEqual('location2', location)
417
 
 
418
 
    def test_reference_info_caches_cleared(self):
419
 
        branch = self.make_branch('branch')
420
 
        branch.lock_write()
421
 
        branch.set_reference_info('file-id', 'path2', 'location2')
422
 
        branch.unlock()
423
 
        doppelganger = _mod_branch.Branch.open('branch')
424
 
        doppelganger.set_reference_info('file-id', 'path3', 'location3')
425
 
        self.assertEqual(('path3', 'location3'),
426
 
                         branch.get_reference_info('file-id'))
427
 
 
428
 
class TestBranchReference(tests.TestCaseWithTransport):
 
382
class TestBranchReference(TestCaseWithTransport):
429
383
    """Tests for the branch reference facility."""
430
384
 
431
385
    def test_create_open_reference(self):
432
386
        bzrdirformat = bzrdir.BzrDirMetaFormat1()
433
 
        t = transport.get_transport(self.get_url('.'))
 
387
        t = get_transport(self.get_url('.'))
434
388
        t.mkdir('repo')
435
389
        dir = bzrdirformat.initialize(self.get_url('repo'))
436
390
        dir.create_repository()
437
391
        target_branch = dir.create_branch()
438
392
        t.mkdir('branch')
439
393
        branch_dir = bzrdirformat.initialize(self.get_url('branch'))
440
 
        made_branch = _mod_branch.BranchReferenceFormat().initialize(
441
 
            branch_dir, target_branch=target_branch)
 
394
        made_branch = BranchReferenceFormat().initialize(branch_dir, target_branch)
442
395
        self.assertEqual(made_branch.base, target_branch.base)
443
396
        opened_branch = branch_dir.open_branch()
444
397
        self.assertEqual(opened_branch.base, target_branch.base)
455
408
            _mod_branch.BranchReferenceFormat().get_reference(checkout.bzrdir))
456
409
 
457
410
 
458
 
class TestHooks(tests.TestCaseWithTransport):
 
411
class TestHooks(TestCase):
459
412
 
460
413
    def test_constructor(self):
461
414
        """Check that creating a BranchHooks instance has the right defaults."""
462
 
        hooks = _mod_branch.BranchHooks()
 
415
        hooks = BranchHooks()
463
416
        self.assertTrue("set_rh" in hooks, "set_rh not in %s" % hooks)
464
417
        self.assertTrue("post_push" in hooks, "post_push not in %s" % hooks)
465
418
        self.assertTrue("post_commit" in hooks, "post_commit not in %s" % hooks)
466
419
        self.assertTrue("pre_commit" in hooks, "pre_commit not in %s" % hooks)
467
420
        self.assertTrue("post_pull" in hooks, "post_pull not in %s" % hooks)
468
 
        self.assertTrue("post_uncommit" in hooks,
469
 
                        "post_uncommit not in %s" % hooks)
 
421
        self.assertTrue("post_uncommit" in hooks, "post_uncommit not in %s" % hooks)
470
422
        self.assertTrue("post_change_branch_tip" in hooks,
471
423
                        "post_change_branch_tip not in %s" % hooks)
472
 
        self.assertTrue("post_branch_init" in hooks,
473
 
                        "post_branch_init not in %s" % hooks)
474
 
        self.assertTrue("post_switch" in hooks,
475
 
                        "post_switch not in %s" % hooks)
476
424
 
477
425
    def test_installed_hooks_are_BranchHooks(self):
478
426
        """The installed hooks object should be a BranchHooks."""
479
427
        # the installed hooks are saved in self._preserved_hooks.
480
428
        self.assertIsInstance(self._preserved_hooks[_mod_branch.Branch][1],
481
 
                              _mod_branch.BranchHooks)
482
 
 
483
 
    def test_post_branch_init_hook(self):
484
 
        calls = []
485
 
        _mod_branch.Branch.hooks.install_named_hook('post_branch_init',
486
 
            calls.append, None)
487
 
        self.assertLength(0, calls)
488
 
        branch = self.make_branch('a')
489
 
        self.assertLength(1, calls)
490
 
        params = calls[0]
491
 
        self.assertIsInstance(params, _mod_branch.BranchInitHookParams)
492
 
        self.assertTrue(hasattr(params, 'bzrdir'))
493
 
        self.assertTrue(hasattr(params, 'branch'))
494
 
 
495
 
    def test_post_switch_hook(self):
496
 
        from bzrlib import switch
497
 
        calls = []
498
 
        _mod_branch.Branch.hooks.install_named_hook('post_switch',
499
 
            calls.append, None)
500
 
        tree = self.make_branch_and_tree('branch-1')
501
 
        self.build_tree(['branch-1/file-1'])
502
 
        tree.add('file-1')
503
 
        tree.commit('rev1')
504
 
        to_branch = tree.bzrdir.sprout('branch-2').open_branch()
505
 
        self.build_tree(['branch-1/file-2'])
506
 
        tree.add('file-2')
507
 
        tree.remove('file-1')
508
 
        tree.commit('rev2')
509
 
        checkout = tree.branch.create_checkout('checkout')
510
 
        self.assertLength(0, calls)
511
 
        switch.switch(checkout.bzrdir, to_branch)
512
 
        self.assertLength(1, calls)
513
 
        params = calls[0]
514
 
        self.assertIsInstance(params, _mod_branch.SwitchHookParams)
515
 
        self.assertTrue(hasattr(params, 'to_branch'))
516
 
        self.assertTrue(hasattr(params, 'revision_id'))
517
 
 
518
 
 
519
 
class TestBranchOptions(tests.TestCaseWithTransport):
520
 
 
521
 
    def setUp(self):
522
 
        super(TestBranchOptions, self).setUp()
523
 
        self.branch = self.make_branch('.')
524
 
        self.config = self.branch.get_config()
525
 
 
526
 
    def check_append_revisions_only(self, expected_value, value=None):
527
 
        """Set append_revisions_only in config and check its interpretation."""
528
 
        if value is not None:
529
 
            self.config.set_user_option('append_revisions_only', value)
530
 
        self.assertEqual(expected_value,
531
 
                         self.branch._get_append_revisions_only())
532
 
 
533
 
    def test_valid_append_revisions_only(self):
534
 
        self.assertEquals(None,
535
 
                          self.config.get_user_option('append_revisions_only'))
536
 
        self.check_append_revisions_only(None)
537
 
        self.check_append_revisions_only(False, 'False')
538
 
        self.check_append_revisions_only(True, 'True')
539
 
        # The following values will cause compatibility problems on projects
540
 
        # using older bzr versions (<2.2) but are accepted
541
 
        self.check_append_revisions_only(False, 'false')
542
 
        self.check_append_revisions_only(True, 'true')
543
 
 
544
 
    def test_invalid_append_revisions_only(self):
545
 
        """Ensure warning is noted on invalid settings"""
546
 
        self.warnings = []
547
 
        def warning(*args):
548
 
            self.warnings.append(args[0] % args[1:])
549
 
        self.overrideAttr(trace, 'warning', warning)
550
 
        self.check_append_revisions_only(None, 'not-a-bool')
551
 
        self.assertLength(1, self.warnings)
552
 
        self.assertEqual(
553
 
            'Value "not-a-bool" is not a boolean for "append_revisions_only"',
554
 
            self.warnings[0])
555
 
 
556
 
 
557
 
class TestPullResult(tests.TestCase):
 
429
            BranchHooks)
 
430
 
 
431
 
 
432
class TestPullResult(TestCase):
558
433
 
559
434
    def test_pull_result_to_int(self):
560
435
        # to support old code, the pull result can be used as an int
561
 
        r = _mod_branch.PullResult()
 
436
        r = PullResult()
562
437
        r.old_revno = 10
563
438
        r.new_revno = 20
564
439
        # this usage of results is not recommended for new code (because it
567
442
        a = "%d revisions pulled" % r
568
443
        self.assertEqual(a, "10 revisions pulled")
569
444
 
570
 
    def test_report_changed(self):
571
 
        r = _mod_branch.PullResult()
572
 
        r.old_revid = "old-revid"
573
 
        r.old_revno = 10
574
 
        r.new_revid = "new-revid"
575
 
        r.new_revno = 20
576
 
        f = StringIO()
577
 
        r.report(f)
578
 
        self.assertEqual("Now on revision 20.\n", f.getvalue())
579
 
 
580
 
    def test_report_unchanged(self):
581
 
        r = _mod_branch.PullResult()
582
 
        r.old_revid = "same-revid"
583
 
        r.new_revid = "same-revid"
584
 
        f = StringIO()
585
 
        r.report(f)
586
 
        self.assertEqual("No revisions to pull.\n", f.getvalue())
587
445
 
588
446
 
589
447
class _StubLockable(object):
610
468
    """Helper for TestRunWithWriteLockedTarget."""
611
469
 
612
470
 
613
 
class TestRunWithWriteLockedTarget(tests.TestCase):
 
471
class TestRunWithWriteLockedTarget(TestCase):
614
472
    """Tests for _run_with_write_locked_target."""
615
473
 
616
474
    def setUp(self):
617
 
        tests.TestCase.setUp(self)
 
475
        TestCase.setUp(self)
618
476
        self._calls = []
619
477
 
620
478
    def func_that_returns_ok(self):
627
485
 
628
486
    def test_success_unlocks(self):
629
487
        lockable = _StubLockable(self._calls)
630
 
        result = _mod_branch._run_with_write_locked_target(
 
488
        result = _run_with_write_locked_target(
631
489
            lockable, self.func_that_returns_ok)
632
490
        self.assertEqual('ok', result)
633
491
        self.assertEqual(['lock_write', 'func called', 'unlock'], self._calls)
635
493
    def test_exception_unlocks_and_propagates(self):
636
494
        lockable = _StubLockable(self._calls)
637
495
        self.assertRaises(_ErrorFromCallable,
638
 
                          _mod_branch._run_with_write_locked_target,
639
 
                          lockable, self.func_that_raises)
 
496
            _run_with_write_locked_target, lockable, self.func_that_raises)
640
497
        self.assertEqual(['lock_write', 'func called', 'unlock'], self._calls)
641
498
 
642
499
    def test_callable_succeeds_but_error_during_unlock(self):
643
500
        lockable = _StubLockable(self._calls, unlock_exc=_ErrorFromUnlock())
644
501
        self.assertRaises(_ErrorFromUnlock,
645
 
                          _mod_branch._run_with_write_locked_target,
646
 
                          lockable, self.func_that_returns_ok)
 
502
            _run_with_write_locked_target, lockable, self.func_that_returns_ok)
647
503
        self.assertEqual(['lock_write', 'func called', 'unlock'], self._calls)
648
504
 
649
505
    def test_error_during_unlock_does_not_mask_original_error(self):
650
506
        lockable = _StubLockable(self._calls, unlock_exc=_ErrorFromUnlock())
651
507
        self.assertRaises(_ErrorFromCallable,
652
 
                          _mod_branch._run_with_write_locked_target,
653
 
                          lockable, self.func_that_raises)
 
508
            _run_with_write_locked_target, lockable, self.func_that_raises)
654
509
        self.assertEqual(['lock_write', 'func called', 'unlock'], self._calls)
655
510
 
656
511