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Viewing changes to breezy/tests/blackbox/test_branch.py

  • Committer: Robert Collins
  • Date: 2005-10-19 10:11:57 UTC
  • mfrom: (1185.16.78)
  • mto: This revision was merged to the branch mainline in revision 1470.
  • Revision ID: robertc@robertcollins.net-20051019101157-17438d311e746b4f
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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
 
 
18
 
"""Black-box tests for brz branch."""
19
 
 
20
 
import os
21
 
 
22
 
from breezy import (
23
 
    branch,
24
 
    controldir,
25
 
    errors,
26
 
    revision as _mod_revision,
27
 
    tests,
28
 
    )
29
 
from breezy.bzr import (
30
 
    bzrdir,
31
 
    )
32
 
from breezy.bzr.knitrepo import RepositoryFormatKnit1
33
 
from breezy.tests import (
34
 
    fixtures,
35
 
    test_server,
36
 
    )
37
 
from breezy.tests.features import (
38
 
    HardlinkFeature,
39
 
    )
40
 
from breezy.tests.blackbox import test_switch
41
 
from breezy.tests.matchers import ContainsNoVfsCalls
42
 
from breezy.tests.test_sftp_transport import TestCaseWithSFTPServer
43
 
from breezy.tests.script import run_script
44
 
from breezy.urlutils import local_path_to_url, strip_trailing_slash
45
 
from breezy.workingtree import WorkingTree
46
 
 
47
 
 
48
 
class TestBranch(tests.TestCaseWithTransport):
49
 
 
50
 
    def example_branch(self, path='.', format=None):
51
 
        tree = self.make_branch_and_tree(path, format=format)
52
 
        self.build_tree_contents([(path + '/hello', b'foo')])
53
 
        tree.add('hello')
54
 
        tree.commit(message='setup')
55
 
        self.build_tree_contents([(path + '/goodbye', b'baz')])
56
 
        tree.add('goodbye')
57
 
        tree.commit(message='setup')
58
 
        return tree
59
 
 
60
 
    def test_branch(self):
61
 
        """Branch from one branch to another."""
62
 
        self.example_branch('a')
63
 
        self.run_bzr('branch a b')
64
 
        b = branch.Branch.open('b')
65
 
        self.run_bzr('branch a c -r 1')
66
 
        # previously was erroneously created by branching
67
 
        self.assertFalse(b._transport.has('branch-name'))
68
 
        b.controldir.open_workingtree().commit(message='foo', allow_pointless=True)
69
 
 
70
 
    def test_branch_no_to_location(self):
71
 
        """The to_location is derived from the source branch name."""
72
 
        os.mkdir("something")
73
 
        a = self.example_branch('something/a').branch
74
 
        self.run_bzr('branch something/a')
75
 
        b = branch.Branch.open('a')
76
 
        self.assertEqual(b.last_revision_info(), a.last_revision_info())
77
 
 
78
 
    def test_into_colocated(self):
79
 
        """Branch from a branch into a colocated branch."""
80
 
        self.example_branch('a')
81
 
        out, err = self.run_bzr(
82
 
            'init --format=development-colo file:b,branch=orig')
83
 
        self.assertEqual(
84
 
            """Created a standalone tree (format: development-colo)\n""",
85
 
            out)
86
 
        self.assertEqual('', err)
87
 
        out, err = self.run_bzr(
88
 
            'branch a file:b,branch=thiswasa')
89
 
        self.assertEqual('', out)
90
 
        self.assertEqual('Branched 2 revisions.\n', err)
91
 
        out, err = self.run_bzr('branches b')
92
 
        self.assertEqual("  orig\n  thiswasa\n", out)
93
 
        self.assertEqual('', err)
94
 
        out, err = self.run_bzr('branch a file:b,branch=orig', retcode=3)
95
 
        self.assertEqual('', out)
96
 
        self.assertEqual(
97
 
            'brz: ERROR: Already a branch: "file:b,branch=orig".\n', err)
98
 
 
99
 
    def test_from_colocated(self):
100
 
        """Branch from a colocated branch into a regular branch."""
101
 
        os.mkdir('b')
102
 
        tree = self.example_branch('b/a', format='development-colo')
103
 
        tree.controldir.create_branch(name='somecolo')
104
 
        out, err = self.run_bzr('branch %s,branch=somecolo' %
105
 
                                local_path_to_url('b/a'))
106
 
        self.assertEqual('', out)
107
 
        self.assertEqual('Branched 0 revisions.\n', err)
108
 
        self.assertPathExists('a')
109
 
 
110
 
    def test_from_name(self):
111
 
        """Branch from a colocated branch into a regular branch."""
112
 
        os.mkdir('b')
113
 
        tree = self.example_branch('b/a', format='development-colo')
114
 
        tree.controldir.create_branch(name='somecolo')
115
 
        out, err = self.run_bzr('branch -b somecolo %s' %
116
 
                                local_path_to_url('b/a'))
117
 
        self.assertEqual('', out)
118
 
        self.assertEqual('Branched 0 revisions.\n', err)
119
 
        self.assertPathExists('a')
120
 
 
121
 
    def test_branch_broken_pack(self):
122
 
        """branching with a corrupted pack file."""
123
 
        self.example_branch('a')
124
 
        # add some corruption
125
 
        packs_dir = 'a/.bzr/repository/packs/'
126
 
        fname = packs_dir + os.listdir(packs_dir)[0]
127
 
        with open(fname, 'rb+') as f:
128
 
            # Start from the end of the file to avoid choosing a place bigger
129
 
            # than the file itself.
130
 
            f.seek(-5, os.SEEK_END)
131
 
            c = f.read(1)
132
 
            f.seek(-5, os.SEEK_END)
133
 
            # Make sure we inject a value different than the one we just read
134
 
            if c == b'\xFF':
135
 
                corrupt = b'\x00'
136
 
            else:
137
 
                corrupt = b'\xFF'
138
 
            f.write(corrupt)  # make sure we corrupt something
139
 
        self.run_bzr_error(['Corruption while decompressing repository file'],
140
 
                           'branch a b', retcode=3)
141
 
 
142
 
    def test_branch_switch_no_branch(self):
143
 
        # No branch in the current directory:
144
 
        #  => new branch will be created, but switch fails
145
 
        self.example_branch('a')
146
 
        self.make_repository('current')
147
 
        self.run_bzr_error(['No WorkingTree exists for'],
148
 
                           'branch --switch ../a ../b', working_dir='current')
149
 
        a = branch.Branch.open('a')
150
 
        b = branch.Branch.open('b')
151
 
        self.assertEqual(a.last_revision(), b.last_revision())
152
 
 
153
 
    def test_branch_switch_no_wt(self):
154
 
        # No working tree in the current directory:
155
 
        #  => new branch will be created, but switch fails and the current
156
 
        #     branch is unmodified
157
 
        self.example_branch('a')
158
 
        self.make_branch('current')
159
 
        self.run_bzr_error(['No WorkingTree exists for'],
160
 
                           'branch --switch ../a ../b', working_dir='current')
161
 
        a = branch.Branch.open('a')
162
 
        b = branch.Branch.open('b')
163
 
        self.assertEqual(a.last_revision(), b.last_revision())
164
 
        work = branch.Branch.open('current')
165
 
        self.assertEqual(work.last_revision(), _mod_revision.NULL_REVISION)
166
 
 
167
 
    def test_branch_switch_no_checkout(self):
168
 
        # Standalone branch in the current directory:
169
 
        #  => new branch will be created, but switch fails and the current
170
 
        #     branch is unmodified
171
 
        self.example_branch('a')
172
 
        tree = self.make_branch_and_tree('current')
173
 
        c1 = tree.commit('some diverged change')
174
 
        self.run_bzr_error(['Cannot switch a branch, only a checkout'],
175
 
                           'branch --switch ../a ../b', working_dir='current')
176
 
        a = branch.Branch.open('a')
177
 
        b = branch.Branch.open('b')
178
 
        self.assertEqual(a.last_revision(), b.last_revision())
179
 
        work = branch.Branch.open('current')
180
 
        self.assertEqual(work.last_revision(), c1)
181
 
 
182
 
    def test_branch_into_empty_dir(self):
183
 
        t = self.example_branch('source')
184
 
        self.make_controldir('target')
185
 
        self.run_bzr("branch source target")
186
 
        self.assertEqual(2, len(t.branch.repository.all_revision_ids()))
187
 
 
188
 
    def test_branch_switch_checkout(self):
189
 
        # Checkout in the current directory:
190
 
        #  => new branch will be created and checkout bound to the new branch
191
 
        self.example_branch('a')
192
 
        self.run_bzr('checkout a current')
193
 
        out, err = self.run_bzr('branch --switch ../a ../b',
194
 
                                working_dir='current')
195
 
        a = branch.Branch.open('a')
196
 
        b = branch.Branch.open('b')
197
 
        self.assertEqual(a.last_revision(), b.last_revision())
198
 
        work = WorkingTree.open('current')
199
 
        self.assertEndsWith(work.branch.get_bound_location(), '/b/')
200
 
        self.assertContainsRe(err, "Switched to branch: .*/b/")
201
 
 
202
 
    def test_branch_switch_lightweight_checkout(self):
203
 
        # Lightweight checkout in the current directory:
204
 
        #  => new branch will be created and lightweight checkout pointed to
205
 
        #     the new branch
206
 
        self.example_branch('a')
207
 
        self.run_bzr('checkout --lightweight a current')
208
 
        out, err = self.run_bzr('branch --switch ../a ../b',
209
 
                                working_dir='current')
210
 
        a = branch.Branch.open('a')
211
 
        b = branch.Branch.open('b')
212
 
        self.assertEqual(a.last_revision(), b.last_revision())
213
 
        work = WorkingTree.open('current')
214
 
        self.assertEndsWith(work.branch.base, '/b/')
215
 
        self.assertContainsRe(err, "Switched to branch: .*/b/")
216
 
 
217
 
    def test_branch_only_copies_history(self):
218
 
        # Knit branches should only push the history for the current revision.
219
 
        format = bzrdir.BzrDirMetaFormat1()
220
 
        format.repository_format = RepositoryFormatKnit1()
221
 
        shared_repo = self.make_repository('repo', format=format, shared=True)
222
 
        shared_repo.set_make_working_trees(True)
223
 
 
224
 
        def make_shared_tree(path):
225
 
            shared_repo.controldir.root_transport.mkdir(path)
226
 
            controldir.ControlDir.create_branch_convenience('repo/' + path)
227
 
            return WorkingTree.open('repo/' + path)
228
 
        tree_a = make_shared_tree('a')
229
 
        self.build_tree(['repo/a/file'])
230
 
        tree_a.add('file')
231
 
        tree_a.commit('commit a-1', rev_id=b'a-1')
232
 
        with open('repo/a/file', 'ab') as f:
233
 
            f.write(b'more stuff\n')
234
 
        tree_a.commit('commit a-2', rev_id=b'a-2')
235
 
 
236
 
        tree_b = make_shared_tree('b')
237
 
        self.build_tree(['repo/b/file'])
238
 
        tree_b.add('file')
239
 
        tree_b.commit('commit b-1', rev_id=b'b-1')
240
 
 
241
 
        self.assertTrue(shared_repo.has_revision(b'a-1'))
242
 
        self.assertTrue(shared_repo.has_revision(b'a-2'))
243
 
        self.assertTrue(shared_repo.has_revision(b'b-1'))
244
 
 
245
 
        # Now that we have a repository with shared files, make sure
246
 
        # that things aren't copied out by a 'branch'
247
 
        self.run_bzr('branch repo/b branch-b')
248
 
        pushed_tree = WorkingTree.open('branch-b')
249
 
        pushed_repo = pushed_tree.branch.repository
250
 
        self.assertFalse(pushed_repo.has_revision(b'a-1'))
251
 
        self.assertFalse(pushed_repo.has_revision(b'a-2'))
252
 
        self.assertTrue(pushed_repo.has_revision(b'b-1'))
253
 
 
254
 
    def test_branch_hardlink(self):
255
 
        self.requireFeature(HardlinkFeature)
256
 
        source = self.make_branch_and_tree('source')
257
 
        self.build_tree(['source/file1'])
258
 
        source.add('file1')
259
 
        source.commit('added file')
260
 
        out, err = self.run_bzr(['branch', 'source', 'target', '--hardlink'])
261
 
        source_stat = os.stat('source/file1')
262
 
        target_stat = os.stat('target/file1')
263
 
        self.assertEqual(source_stat, target_stat)
264
 
 
265
 
    def test_branch_files_from(self):
266
 
        source = self.make_branch_and_tree('source')
267
 
        self.build_tree(['source/file1'])
268
 
        source.add('file1')
269
 
        source.commit('added file')
270
 
        out, err = self.run_bzr('branch source target --files-from source')
271
 
        self.assertPathExists('target/file1')
272
 
 
273
 
    def test_branch_files_from_hardlink(self):
274
 
        self.requireFeature(HardlinkFeature)
275
 
        source = self.make_branch_and_tree('source')
276
 
        self.build_tree(['source/file1'])
277
 
        source.add('file1')
278
 
        source.commit('added file')
279
 
        source.controldir.sprout('second')
280
 
        out, err = self.run_bzr('branch source target --files-from second'
281
 
                                ' --hardlink')
282
 
        source_stat = os.stat('source/file1')
283
 
        second_stat = os.stat('second/file1')
284
 
        target_stat = os.stat('target/file1')
285
 
        self.assertNotEqual(source_stat, target_stat)
286
 
        self.assertEqual(second_stat, target_stat)
287
 
 
288
 
    def test_branch_standalone(self):
289
 
        shared_repo = self.make_repository('repo', shared=True)
290
 
        self.example_branch('source')
291
 
        self.run_bzr('branch --standalone source repo/target')
292
 
        b = branch.Branch.open('repo/target')
293
 
        expected_repo_path = os.path.abspath('repo/target/.bzr/repository')
294
 
        self.assertEqual(strip_trailing_slash(b.repository.base),
295
 
                         strip_trailing_slash(local_path_to_url(expected_repo_path)))
296
 
 
297
 
    def test_branch_no_tree(self):
298
 
        self.example_branch('source')
299
 
        self.run_bzr('branch --no-tree source target')
300
 
        self.assertPathDoesNotExist('target/hello')
301
 
        self.assertPathDoesNotExist('target/goodbye')
302
 
 
303
 
    def test_branch_into_existing_dir(self):
304
 
        self.example_branch('a')
305
 
        # existing dir with similar files but no .brz dir
306
 
        self.build_tree_contents([('b/',)])
307
 
        self.build_tree_contents([('b/hello', b'bar')])  # different content
308
 
        self.build_tree_contents([('b/goodbye', b'baz')])  # same content
309
 
        # fails without --use-existing-dir
310
 
        out, err = self.run_bzr('branch a b', retcode=3)
311
 
        self.assertEqual('', out)
312
 
        self.assertEqual('brz: ERROR: Target directory "b" already exists.\n',
313
 
                         err)
314
 
        # force operation
315
 
        self.run_bzr('branch a b --use-existing-dir')
316
 
        # check conflicts
317
 
        self.assertPathExists('b/hello.moved')
318
 
        self.assertPathDoesNotExist('b/godbye.moved')
319
 
        # we can't branch into branch
320
 
        out, err = self.run_bzr('branch a b --use-existing-dir', retcode=3)
321
 
        self.assertEqual('', out)
322
 
        self.assertEqual('brz: ERROR: Already a branch: "b".\n', err)
323
 
 
324
 
    def test_branch_bind(self):
325
 
        self.example_branch('a')
326
 
        out, err = self.run_bzr('branch a b --bind')
327
 
        self.assertEndsWith(err, "New branch bound to a\n")
328
 
        b = branch.Branch.open('b')
329
 
        self.assertEndsWith(b.get_bound_location(), '/a/')
330
 
 
331
 
    def test_branch_with_post_branch_init_hook(self):
332
 
        calls = []
333
 
        branch.Branch.hooks.install_named_hook('post_branch_init',
334
 
                                               calls.append, None)
335
 
        self.assertLength(0, calls)
336
 
        self.example_branch('a')
337
 
        self.assertLength(1, calls)
338
 
        self.run_bzr('branch a b')
339
 
        self.assertLength(2, calls)
340
 
 
341
 
    def test_checkout_with_post_branch_init_hook(self):
342
 
        calls = []
343
 
        branch.Branch.hooks.install_named_hook('post_branch_init',
344
 
                                               calls.append, None)
345
 
        self.assertLength(0, calls)
346
 
        self.example_branch('a')
347
 
        self.assertLength(1, calls)
348
 
        self.run_bzr('checkout a b')
349
 
        self.assertLength(2, calls)
350
 
 
351
 
    def test_lightweight_checkout_with_post_branch_init_hook(self):
352
 
        calls = []
353
 
        branch.Branch.hooks.install_named_hook('post_branch_init',
354
 
                                               calls.append, None)
355
 
        self.assertLength(0, calls)
356
 
        self.example_branch('a')
357
 
        self.assertLength(1, calls)
358
 
        self.run_bzr('checkout --lightweight a b')
359
 
        self.assertLength(2, calls)
360
 
 
361
 
    def test_branch_fetches_all_tags(self):
362
 
        builder = self.make_branch_builder('source')
363
 
        source, rev1, rev2 = fixtures.build_branch_with_non_ancestral_rev(
364
 
            builder)
365
 
        source.tags.set_tag('tag-a', rev2)
366
 
        source.get_config_stack().set('branch.fetch_tags', True)
367
 
        # Now source has a tag not in its ancestry.  Make a branch from it.
368
 
        self.run_bzr('branch source new-branch')
369
 
        new_branch = branch.Branch.open('new-branch')
370
 
        # The tag is present, and so is its revision.
371
 
        self.assertEqual(rev2, new_branch.tags.lookup_tag('tag-a'))
372
 
        new_branch.repository.get_revision(rev2)
373
 
 
374
 
    def test_branch_with_nested_trees(self):
375
 
        orig = self.make_branch_and_tree('source', format='development-subtree')
376
 
        subtree = self.make_branch_and_tree('source/subtree')
377
 
        self.build_tree(['source/subtree/a'])
378
 
        subtree.add(['a'])
379
 
        subtree.commit('add subtree contents')
380
 
        orig.add_reference(subtree)
381
 
        orig.set_reference_info('subtree', subtree.branch.user_url)
382
 
        orig.commit('add subtree')
383
 
 
384
 
        self.run_bzr('branch source target')
385
 
 
386
 
        target = WorkingTree.open('target')
387
 
        target_subtree = WorkingTree.open('target/subtree')
388
 
        self.assertTreesEqual(orig, target)
389
 
        self.assertTreesEqual(subtree, target_subtree)
390
 
 
391
 
    def test_branch_with_nested_trees_reference_unset(self):
392
 
        orig = self.make_branch_and_tree('source', format='development-subtree')
393
 
        subtree = self.make_branch_and_tree('source/subtree')
394
 
        self.build_tree(['source/subtree/a'])
395
 
        subtree.add(['a'])
396
 
        subtree.commit('add subtree contents')
397
 
        orig.add_reference(subtree)
398
 
        orig.commit('add subtree')
399
 
 
400
 
        self.run_bzr('branch source target')
401
 
 
402
 
        target = WorkingTree.open('target')
403
 
        self.assertRaises(errors.NotBranchError, WorkingTree.open, 'target/subtree')
404
 
 
405
 
    def test_branch_with_nested_trees_no_recurse(self):
406
 
        orig = self.make_branch_and_tree('source', format='development-subtree')
407
 
        subtree = self.make_branch_and_tree('source/subtree')
408
 
        self.build_tree(['source/subtree/a'])
409
 
        subtree.add(['a'])
410
 
        subtree.commit('add subtree contents')
411
 
        orig.add_reference(subtree)
412
 
        orig.commit('add subtree')
413
 
 
414
 
        self.run_bzr('branch --no-recurse-nested source target')
415
 
 
416
 
        target = WorkingTree.open('target')
417
 
        self.addCleanup(subtree.lock_read().unlock)
418
 
        basis = subtree.basis_tree()
419
 
        self.addCleanup(basis.lock_read().unlock)
420
 
        self.assertRaises(errors.NotBranchError, WorkingTree.open, 'target/subtree')
421
 
 
422
 
 
423
 
class TestBranchStacked(tests.TestCaseWithTransport):
424
 
    """Tests for branch --stacked"""
425
 
 
426
 
    def assertRevisionInRepository(self, repo_path, revid):
427
 
        """Check that a revision is in a repo, disregarding stacking."""
428
 
        repo = controldir.ControlDir.open(repo_path).open_repository()
429
 
        self.assertTrue(repo.has_revision(revid))
430
 
 
431
 
    def assertRevisionNotInRepository(self, repo_path, revid):
432
 
        """Check that a revision is not in a repo, disregarding stacking."""
433
 
        repo = controldir.ControlDir.open(repo_path).open_repository()
434
 
        self.assertFalse(repo.has_revision(revid))
435
 
 
436
 
    def assertRevisionsInBranchRepository(self, revid_list, branch_path):
437
 
        repo = branch.Branch.open(branch_path).repository
438
 
        self.assertEqual(set(revid_list),
439
 
                         repo.has_revisions(revid_list))
440
 
 
441
 
    def test_branch_stacked_branch_not_stacked(self):
442
 
        """Branching a stacked branch is not stacked by default"""
443
 
        # We have a mainline
444
 
        trunk_tree = self.make_branch_and_tree('target',
445
 
                                               format='1.9')
446
 
        trunk_tree.commit('mainline')
447
 
        # and a branch from it which is stacked
448
 
        branch_tree = self.make_branch_and_tree('branch',
449
 
                                                format='1.9')
450
 
        branch_tree.branch.set_stacked_on_url(trunk_tree.branch.base)
451
 
        # with some work on it
452
 
        work_tree = trunk_tree.branch.controldir.sprout(
453
 
            'local').open_workingtree()
454
 
        work_tree.commit('moar work plz')
455
 
        work_tree.branch.push(branch_tree.branch)
456
 
        # branching our local branch gives us a new stacked branch pointing at
457
 
        # mainline.
458
 
        out, err = self.run_bzr(['branch', 'branch', 'newbranch'])
459
 
        self.assertEqual('', out)
460
 
        self.assertEqual('Branched 2 revisions.\n',
461
 
                         err)
462
 
        # it should have preserved the branch format, and so it should be
463
 
        # capable of supporting stacking, but not actually have a stacked_on
464
 
        # branch configured
465
 
        self.assertRaises(errors.NotStacked,
466
 
                          controldir.ControlDir.open('newbranch').open_branch().get_stacked_on_url)
467
 
 
468
 
    def test_branch_stacked_branch_stacked(self):
469
 
        """Asking to stack on a stacked branch does work"""
470
 
        # We have a mainline
471
 
        trunk_tree = self.make_branch_and_tree('target',
472
 
                                               format='1.9')
473
 
        trunk_revid = trunk_tree.commit('mainline')
474
 
        # and a branch from it which is stacked
475
 
        branch_tree = self.make_branch_and_tree('branch',
476
 
                                                format='1.9')
477
 
        branch_tree.branch.set_stacked_on_url(trunk_tree.branch.base)
478
 
        # with some work on it
479
 
        work_tree = trunk_tree.branch.controldir.sprout(
480
 
            'local').open_workingtree()
481
 
        branch_revid = work_tree.commit('moar work plz')
482
 
        work_tree.branch.push(branch_tree.branch)
483
 
        # you can chain branches on from there
484
 
        out, err = self.run_bzr(['branch', 'branch', '--stacked', 'branch2'])
485
 
        self.assertEqual('', out)
486
 
        self.assertEqual('Created new stacked branch referring to %s.\n' %
487
 
                         branch_tree.branch.base, err)
488
 
        self.assertEqual(branch_tree.branch.base,
489
 
                         branch.Branch.open('branch2').get_stacked_on_url())
490
 
        branch2_tree = WorkingTree.open('branch2')
491
 
        branch2_revid = work_tree.commit('work on second stacked branch')
492
 
        work_tree.branch.push(branch2_tree.branch)
493
 
        self.assertRevisionInRepository('branch2', branch2_revid)
494
 
        self.assertRevisionsInBranchRepository(
495
 
            [trunk_revid, branch_revid, branch2_revid],
496
 
            'branch2')
497
 
 
498
 
    def test_branch_stacked(self):
499
 
        # We have a mainline
500
 
        trunk_tree = self.make_branch_and_tree('mainline',
501
 
                                               format='1.9')
502
 
        original_revid = trunk_tree.commit('mainline')
503
 
        self.assertRevisionInRepository('mainline', original_revid)
504
 
        # and a branch from it which is stacked
505
 
        out, err = self.run_bzr(['branch', '--stacked', 'mainline',
506
 
                                 'newbranch'])
507
 
        self.assertEqual('', out)
508
 
        self.assertEqual('Created new stacked branch referring to %s.\n' %
509
 
                         trunk_tree.branch.base, err)
510
 
        self.assertRevisionNotInRepository('newbranch', original_revid)
511
 
        new_branch = branch.Branch.open('newbranch')
512
 
        self.assertEqual(trunk_tree.branch.base,
513
 
                         new_branch.get_stacked_on_url())
514
 
 
515
 
    def test_branch_stacked_from_smart_server(self):
516
 
        # We can branch stacking on a smart server
517
 
        self.transport_server = test_server.SmartTCPServer_for_testing
518
 
        trunk = self.make_branch('mainline', format='1.9')
519
 
        out, err = self.run_bzr(
520
 
            ['branch', '--stacked', self.get_url('mainline'), 'shallow'])
521
 
 
522
 
    def test_branch_stacked_from_non_stacked_format(self):
523
 
        """The origin format doesn't support stacking"""
524
 
        trunk = self.make_branch('trunk', format='pack-0.92')
525
 
        out, err = self.run_bzr(
526
 
            ['branch', '--stacked', 'trunk', 'shallow'])
527
 
        # We should notify the user that we upgraded their format
528
 
        self.assertEqualDiff(
529
 
            'Source repository format does not support stacking, using format:\n'
530
 
            '  Packs 5 (adds stacking support, requires bzr 1.6)\n'
531
 
            'Source branch format does not support stacking, using format:\n'
532
 
            '  Branch format 7\n'
533
 
            'Doing on-the-fly conversion from RepositoryFormatKnitPack1() to RepositoryFormatKnitPack5().\n'
534
 
            'This may take some time. Upgrade the repositories to the same format for better performance.\n'
535
 
            'Created new stacked branch referring to %s.\n' %
536
 
            (trunk.base,),
537
 
            err)
538
 
 
539
 
    def test_branch_stacked_from_rich_root_non_stackable(self):
540
 
        trunk = self.make_branch('trunk', format='rich-root-pack')
541
 
        out, err = self.run_bzr(
542
 
            ['branch', '--stacked', 'trunk', 'shallow'])
543
 
        # We should notify the user that we upgraded their format
544
 
        self.assertEqualDiff(
545
 
            'Source repository format does not support stacking, using format:\n'
546
 
            '  Packs 5 rich-root (adds stacking support, requires bzr 1.6.1)\n'
547
 
            'Source branch format does not support stacking, using format:\n'
548
 
            '  Branch format 7\n'
549
 
            'Doing on-the-fly conversion from RepositoryFormatKnitPack4() to RepositoryFormatKnitPack5RichRoot().\n'
550
 
            'This may take some time. Upgrade the repositories to the same format for better performance.\n'
551
 
            'Created new stacked branch referring to %s.\n' % (trunk.base,),
552
 
            err)
553
 
 
554
 
 
555
 
class TestSmartServerBranching(tests.TestCaseWithTransport):
556
 
 
557
 
    def test_branch_from_trivial_branch_to_same_server_branch_acceptance(self):
558
 
        self.setup_smart_server_with_call_log()
559
 
        t = self.make_branch_and_tree('from')
560
 
        for count in range(9):
561
 
            t.commit(message='commit %d' % count)
562
 
        self.reset_smart_call_log()
563
 
        out, err = self.run_bzr(['branch', self.get_url('from'),
564
 
                                 self.get_url('target')])
565
 
        # This figure represent the amount of work to perform this use case. It
566
 
        # is entirely ok to reduce this number if a test fails due to rpc_count
567
 
        # being too low. If rpc_count increases, more network roundtrips have
568
 
        # become necessary for this use case. Please do not adjust this number
569
 
        # upwards without agreement from bzr's network support maintainers.
570
 
        self.assertLength(2, self.hpss_connections)
571
 
        self.assertLength(34, self.hpss_calls)
572
 
        self.expectFailure(
573
 
            "branching to the same branch requires VFS access",
574
 
            self.assertThat, self.hpss_calls, ContainsNoVfsCalls)
575
 
 
576
 
    def test_branch_from_trivial_branch_streaming_acceptance(self):
577
 
        self.setup_smart_server_with_call_log()
578
 
        t = self.make_branch_and_tree('from')
579
 
        for count in range(9):
580
 
            t.commit(message='commit %d' % count)
581
 
        self.reset_smart_call_log()
582
 
        out, err = self.run_bzr(['branch', self.get_url('from'),
583
 
                                 'local-target'])
584
 
        # This figure represent the amount of work to perform this use case. It
585
 
        # is entirely ok to reduce this number if a test fails due to rpc_count
586
 
        # being too low. If rpc_count increases, more network roundtrips have
587
 
        # become necessary for this use case. Please do not adjust this number
588
 
        # upwards without agreement from bzr's network support maintainers.
589
 
        self.assertThat(self.hpss_calls, ContainsNoVfsCalls)
590
 
        self.assertLength(11, self.hpss_calls)
591
 
        self.assertLength(1, self.hpss_connections)
592
 
 
593
 
    def test_branch_from_trivial_stacked_branch_streaming_acceptance(self):
594
 
        self.setup_smart_server_with_call_log()
595
 
        t = self.make_branch_and_tree('trunk')
596
 
        for count in range(8):
597
 
            t.commit(message='commit %d' % count)
598
 
        tree2 = t.branch.controldir.sprout('feature', stacked=True
599
 
                                           ).open_workingtree()
600
 
        local_tree = t.branch.controldir.sprout(
601
 
            'local-working').open_workingtree()
602
 
        local_tree.commit('feature change')
603
 
        local_tree.branch.push(tree2.branch)
604
 
        self.reset_smart_call_log()
605
 
        out, err = self.run_bzr(['branch', self.get_url('feature'),
606
 
                                 'local-target'])
607
 
        # This figure represent the amount of work to perform this use case. It
608
 
        # is entirely ok to reduce this number if a test fails due to rpc_count
609
 
        # being too low. If rpc_count increases, more network roundtrips have
610
 
        # become necessary for this use case. Please do not adjust this number
611
 
        # upwards without agreement from bzr's network support maintainers.
612
 
        self.assertLength(16, self.hpss_calls)
613
 
        self.assertLength(1, self.hpss_connections)
614
 
        self.assertThat(self.hpss_calls, ContainsNoVfsCalls)
615
 
 
616
 
    def test_branch_from_branch_with_tags(self):
617
 
        self.setup_smart_server_with_call_log()
618
 
        builder = self.make_branch_builder('source')
619
 
        source, rev1, rev2 = fixtures.build_branch_with_non_ancestral_rev(
620
 
            builder)
621
 
        source.get_config_stack().set('branch.fetch_tags', True)
622
 
        source.tags.set_tag('tag-a', rev2)
623
 
        source.tags.set_tag('tag-missing', b'missing-rev')
624
 
        # Now source has a tag not in its ancestry.  Make a branch from it.
625
 
        self.reset_smart_call_log()
626
 
        out, err = self.run_bzr(['branch', self.get_url('source'), 'target'])
627
 
        # This figure represent the amount of work to perform this use case. It
628
 
        # is entirely ok to reduce this number if a test fails due to rpc_count
629
 
        # being too low. If rpc_count increases, more network roundtrips have
630
 
        # become necessary for this use case. Please do not adjust this number
631
 
        # upwards without agreement from bzr's network support maintainers.
632
 
        self.assertLength(11, self.hpss_calls)
633
 
        self.assertThat(self.hpss_calls, ContainsNoVfsCalls)
634
 
        self.assertLength(1, self.hpss_connections)
635
 
 
636
 
    def test_branch_to_stacked_from_trivial_branch_streaming_acceptance(self):
637
 
        self.setup_smart_server_with_call_log()
638
 
        t = self.make_branch_and_tree('from')
639
 
        for count in range(9):
640
 
            t.commit(message='commit %d' % count)
641
 
        self.reset_smart_call_log()
642
 
        out, err = self.run_bzr(['branch', '--stacked', self.get_url('from'),
643
 
                                 'local-target'])
644
 
        # XXX: the number of hpss calls for this case isn't deterministic yet,
645
 
        # so we can't easily assert about the number of calls.
646
 
        #self.assertLength(XXX, self.hpss_calls)
647
 
        # We can assert that none of the calls were readv requests for rix
648
 
        # files, though (demonstrating that at least get_parent_map calls are
649
 
        # not using VFS RPCs).
650
 
        readvs_of_rix_files = [
651
 
            c for c in self.hpss_calls
652
 
            if c.call.method == 'readv' and c.call.args[-1].endswith('.rix')]
653
 
        self.assertLength(1, self.hpss_connections)
654
 
        self.assertLength(0, readvs_of_rix_files)
655
 
        self.expectFailure("branching to stacked requires VFS access",
656
 
                           self.assertThat, self.hpss_calls, ContainsNoVfsCalls)
657
 
 
658
 
    def test_branch_from_branch_with_ghosts(self):
659
 
        self.setup_smart_server_with_call_log()
660
 
        t = self.make_branch_and_tree('from')
661
 
        for count in range(9):
662
 
            t.commit(message='commit %d' % count)
663
 
        t.set_parent_ids([t.last_revision(), b'ghost'])
664
 
        t.commit(message='add commit with parent')
665
 
        self.reset_smart_call_log()
666
 
        out, err = self.run_bzr(['branch', self.get_url('from'),
667
 
                                 'local-target'])
668
 
        # This figure represent the amount of work to perform this use case. It
669
 
        # is entirely ok to reduce this number if a test fails due to rpc_count
670
 
        # being too low. If rpc_count increases, more network roundtrips have
671
 
        # become necessary for this use case. Please do not adjust this number
672
 
        # upwards without agreement from bzr's network support maintainers.
673
 
        self.assertThat(self.hpss_calls, ContainsNoVfsCalls)
674
 
        self.assertLength(12, self.hpss_calls)
675
 
        self.assertLength(1, self.hpss_connections)
676
 
 
677
 
 
678
 
class TestRemoteBranch(TestCaseWithSFTPServer):
679
 
 
680
 
    def setUp(self):
681
 
        super(TestRemoteBranch, self).setUp()
682
 
        tree = self.make_branch_and_tree('branch')
683
 
        self.build_tree_contents([('branch/file', b'file content\n')])
684
 
        tree.add('file')
685
 
        tree.commit('file created')
686
 
 
687
 
    def test_branch_local_remote(self):
688
 
        self.run_bzr(['branch', 'branch', self.get_url('remote')])
689
 
        t = self.get_transport()
690
 
        # Ensure that no working tree what created remotely
691
 
        self.assertFalse(t.has('remote/file'))
692
 
 
693
 
    def test_branch_remote_remote(self):
694
 
        # Light cheat: we access the branch remotely
695
 
        self.run_bzr(['branch', self.get_url('branch'),
696
 
                      self.get_url('remote')])
697
 
        t = self.get_transport()
698
 
        # Ensure that no working tree what created remotely
699
 
        self.assertFalse(t.has('remote/file'))
700
 
 
701
 
 
702
 
class TestBranchParentLocation(test_switch.TestSwitchParentLocationBase):
703
 
 
704
 
    def _checkout_and_branch(self, option=''):
705
 
        self.script_runner.run_script(self, '''
706
 
                $ brz checkout %(option)s repo/trunk checkout
707
 
                $ cd checkout
708
 
                $ brz branch --switch ../repo/trunk ../repo/branched
709
 
                2>Branched 0 revisions.
710
 
                2>Tree is up to date at revision 0.
711
 
                2>Switched to branch:...branched...
712
 
                $ cd ..
713
 
                ''' % locals())
714
 
        bound_branch = branch.Branch.open_containing('checkout')[0]
715
 
        master_branch = branch.Branch.open_containing('repo/branched')[0]
716
 
        return (bound_branch, master_branch)
717
 
 
718
 
    def test_branch_switch_parent_lightweight(self):
719
 
        """Lightweight checkout using brz branch --switch."""
720
 
        bb, mb = self._checkout_and_branch(option='--lightweight')
721
 
        self.assertParent('repo/trunk', bb)
722
 
        self.assertParent('repo/trunk', mb)
723
 
 
724
 
    def test_branch_switch_parent_heavyweight(self):
725
 
        """Heavyweight checkout using brz branch --switch."""
726
 
        bb, mb = self._checkout_and_branch()
727
 
        self.assertParent('repo/trunk', bb)
728
 
        self.assertParent('repo/trunk', mb)