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# Copyright (C) 2006-2012 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 bzr branch."""
 
19
 
 
20
import os
 
21
 
 
22
from bzrlib import (
 
23
    branch,
 
24
    bzrdir,
 
25
    controldir,
 
26
    errors,
 
27
    revision as _mod_revision,
 
28
    tests,
 
29
    )
 
30
from bzrlib.repofmt.knitrepo import RepositoryFormatKnit1
 
31
from bzrlib.tests import (
 
32
    fixtures,
 
33
    test_server,
 
34
    )
 
35
from bzrlib.tests.features import (
 
36
    HardlinkFeature,
 
37
    )
 
38
from bzrlib.tests.blackbox import test_switch
 
39
from bzrlib.tests.matchers import ContainsNoVfsCalls
 
40
from bzrlib.tests.test_sftp_transport import TestCaseWithSFTPServer
 
41
from bzrlib.tests.script import run_script
 
42
from bzrlib.urlutils import local_path_to_url, strip_trailing_slash
 
43
from bzrlib.workingtree import WorkingTree
 
44
 
 
45
 
 
46
class TestBranch(tests.TestCaseWithTransport):
 
47
 
 
48
    def example_branch(self, path='.', format=None):
 
49
        tree = self.make_branch_and_tree(path, format=format)
 
50
        self.build_tree_contents([(path + '/hello', 'foo')])
 
51
        tree.add('hello')
 
52
        tree.commit(message='setup')
 
53
        self.build_tree_contents([(path + '/goodbye', 'baz')])
 
54
        tree.add('goodbye')
 
55
        tree.commit(message='setup')
 
56
        return tree
 
57
 
 
58
    def test_branch(self):
 
59
        """Branch from one branch to another."""
 
60
        self.example_branch('a')
 
61
        self.run_bzr('branch a b')
 
62
        b = branch.Branch.open('b')
 
63
        self.run_bzr('branch a c -r 1')
 
64
        # previously was erroneously created by branching
 
65
        self.assertFalse(b._transport.has('branch-name'))
 
66
        b.bzrdir.open_workingtree().commit(message='foo', allow_pointless=True)
 
67
 
 
68
    def test_branch_no_to_location(self):
 
69
        """The to_location is derived from the source branch name."""
 
70
        os.mkdir("something")
 
71
        a = self.example_branch('something/a').branch
 
72
        self.run_bzr('branch something/a')
 
73
        b = branch.Branch.open('a')
 
74
        self.assertEquals(b.last_revision_info(), a.last_revision_info())
 
75
 
 
76
    def test_into_colocated(self):
 
77
        """Branch from a branch into a colocated branch."""
 
78
        self.example_branch('a')
 
79
        out, err = self.run_bzr(
 
80
            'init --format=development-colo file:b,branch=orig')
 
81
        self.assertEqual(
 
82
            """Created a lightweight checkout (format: development-colo)\n""",
 
83
            out)
 
84
        self.assertEqual('', err)
 
85
        out, err = self.run_bzr(
 
86
            'branch a file:b,branch=thiswasa')
 
87
        self.assertEqual('', out)
 
88
        self.assertEqual('Branched 2 revisions.\n', err)
 
89
        out, err = self.run_bzr('branches b')
 
90
        self.assertEqual("  orig\n  thiswasa\n", out)
 
91
        self.assertEqual('', err)
 
92
        out,err = self.run_bzr('branch a file:b,branch=orig', retcode=3)
 
93
        self.assertEqual('', out)
 
94
        self.assertEqual(
 
95
            'bzr: ERROR: Already a branch: "file:b,branch=orig".\n', err)
 
96
 
 
97
    def test_from_colocated(self):
 
98
        """Branch from a colocated branch into a regular branch."""
 
99
        tree = self.example_branch('a', format='development-colo')
 
100
        tree.bzrdir.create_branch(name='somecolo')
 
101
        out, err = self.run_bzr('branch %s,branch=somecolo' %
 
102
            local_path_to_url('a'))
 
103
        self.assertEqual('', out)
 
104
        self.assertEqual('Branched 0 revisions.\n', err)
 
105
        self.assertPathExists("somecolo")
 
106
 
 
107
    def test_branch_broken_pack(self):
 
108
        """branching with a corrupted pack file."""
 
109
        self.example_branch('a')
 
110
        # add some corruption
 
111
        packs_dir = 'a/.bzr/repository/packs/'
 
112
        fname = packs_dir + os.listdir(packs_dir)[0]
 
113
        with open(fname, 'rb+') as f:
 
114
            # Start from the end of the file to avoid choosing a place bigger
 
115
            # than the file itself.
 
116
            f.seek(-5, os.SEEK_END)
 
117
            c = f.read(1)
 
118
            f.seek(-5, os.SEEK_END)
 
119
            # Make sure we inject a value different than the one we just read
 
120
            if c == '\xFF':
 
121
                corrupt = '\x00'
 
122
            else:
 
123
                corrupt = '\xFF'
 
124
            f.write(corrupt) # make sure we corrupt something
 
125
        self.run_bzr_error(['Corruption while decompressing repository file'],
 
126
                            'branch a b', retcode=3)
 
127
 
 
128
    def test_branch_switch_no_branch(self):
 
129
        # No branch in the current directory:
 
130
        #  => new branch will be created, but switch fails
 
131
        self.example_branch('a')
 
132
        self.make_repository('current')
 
133
        self.run_bzr_error(['No WorkingTree exists for'],
 
134
            'branch --switch ../a ../b', working_dir='current')
 
135
        a = branch.Branch.open('a')
 
136
        b = branch.Branch.open('b')
 
137
        self.assertEqual(a.last_revision(), b.last_revision())
 
138
 
 
139
    def test_branch_switch_no_wt(self):
 
140
        # No working tree in the current directory:
 
141
        #  => new branch will be created, but switch fails and the current
 
142
        #     branch is unmodified
 
143
        self.example_branch('a')
 
144
        self.make_branch('current')
 
145
        self.run_bzr_error(['No WorkingTree exists for'],
 
146
            'branch --switch ../a ../b', working_dir='current')
 
147
        a = branch.Branch.open('a')
 
148
        b = branch.Branch.open('b')
 
149
        self.assertEqual(a.last_revision(), b.last_revision())
 
150
        work = branch.Branch.open('current')
 
151
        self.assertEqual(work.last_revision(), _mod_revision.NULL_REVISION)
 
152
 
 
153
    def test_branch_switch_no_checkout(self):
 
154
        # Standalone branch 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
        tree = self.make_branch_and_tree('current')
 
159
        c1 = tree.commit('some diverged change')
 
160
        self.run_bzr_error(['Cannot switch a branch, only a checkout'],
 
161
            'branch --switch ../a ../b', working_dir='current')
 
162
        a = branch.Branch.open('a')
 
163
        b = branch.Branch.open('b')
 
164
        self.assertEqual(a.last_revision(), b.last_revision())
 
165
        work = branch.Branch.open('current')
 
166
        self.assertEqual(work.last_revision(), c1)
 
167
 
 
168
    def test_branch_into_empty_dir(self):
 
169
        t = self.example_branch('source')
 
170
        self.make_bzrdir('target')
 
171
        self.run_bzr("branch source target")
 
172
        self.assertEquals(2, len(t.branch.repository.all_revision_ids()))
 
173
 
 
174
    def test_branch_switch_checkout(self):
 
175
        # Checkout in the current directory:
 
176
        #  => new branch will be created and checkout bound to the new branch
 
177
        self.example_branch('a')
 
178
        self.run_bzr('checkout a current')
 
179
        out, err = self.run_bzr('branch --switch ../a ../b',
 
180
                                working_dir='current')
 
181
        a = branch.Branch.open('a')
 
182
        b = branch.Branch.open('b')
 
183
        self.assertEqual(a.last_revision(), b.last_revision())
 
184
        work = WorkingTree.open('current')
 
185
        self.assertEndsWith(work.branch.get_bound_location(), '/b/')
 
186
        self.assertContainsRe(err, "Switched to branch: .*/b/")
 
187
 
 
188
    def test_branch_switch_lightweight_checkout(self):
 
189
        # Lightweight checkout in the current directory:
 
190
        #  => new branch will be created and lightweight checkout pointed to
 
191
        #     the new branch
 
192
        self.example_branch('a')
 
193
        self.run_bzr('checkout --lightweight a current')
 
194
        out, err = self.run_bzr('branch --switch ../a ../b',
 
195
                                working_dir='current')
 
196
        a = branch.Branch.open('a')
 
197
        b = branch.Branch.open('b')
 
198
        self.assertEqual(a.last_revision(), b.last_revision())
 
199
        work = WorkingTree.open('current')
 
200
        self.assertEndsWith(work.branch.base, '/b/')
 
201
        self.assertContainsRe(err, "Switched to branch: .*/b/")
 
202
 
 
203
    def test_branch_only_copies_history(self):
 
204
        # Knit branches should only push the history for the current revision.
 
205
        format = bzrdir.BzrDirMetaFormat1()
 
206
        format.repository_format = RepositoryFormatKnit1()
 
207
        shared_repo = self.make_repository('repo', format=format, shared=True)
 
208
        shared_repo.set_make_working_trees(True)
 
209
 
 
210
        def make_shared_tree(path):
 
211
            shared_repo.bzrdir.root_transport.mkdir(path)
 
212
            controldir.ControlDir.create_branch_convenience('repo/' + path)
 
213
            return WorkingTree.open('repo/' + path)
 
214
        tree_a = make_shared_tree('a')
 
215
        self.build_tree(['repo/a/file'])
 
216
        tree_a.add('file')
 
217
        tree_a.commit('commit a-1', rev_id='a-1')
 
218
        f = open('repo/a/file', 'ab')
 
219
        f.write('more stuff\n')
 
220
        f.close()
 
221
        tree_a.commit('commit a-2', rev_id='a-2')
 
222
 
 
223
        tree_b = make_shared_tree('b')
 
224
        self.build_tree(['repo/b/file'])
 
225
        tree_b.add('file')
 
226
        tree_b.commit('commit b-1', rev_id='b-1')
 
227
 
 
228
        self.assertTrue(shared_repo.has_revision('a-1'))
 
229
        self.assertTrue(shared_repo.has_revision('a-2'))
 
230
        self.assertTrue(shared_repo.has_revision('b-1'))
 
231
 
 
232
        # Now that we have a repository with shared files, make sure
 
233
        # that things aren't copied out by a 'branch'
 
234
        self.run_bzr('branch repo/b branch-b')
 
235
        pushed_tree = WorkingTree.open('branch-b')
 
236
        pushed_repo = pushed_tree.branch.repository
 
237
        self.assertFalse(pushed_repo.has_revision('a-1'))
 
238
        self.assertFalse(pushed_repo.has_revision('a-2'))
 
239
        self.assertTrue(pushed_repo.has_revision('b-1'))
 
240
 
 
241
    def test_branch_hardlink(self):
 
242
        self.requireFeature(HardlinkFeature)
 
243
        source = self.make_branch_and_tree('source')
 
244
        self.build_tree(['source/file1'])
 
245
        source.add('file1')
 
246
        source.commit('added file')
 
247
        out, err = self.run_bzr(['branch', 'source', 'target', '--hardlink'])
 
248
        source_stat = os.stat('source/file1')
 
249
        target_stat = os.stat('target/file1')
 
250
        self.assertEqual(source_stat, target_stat)
 
251
 
 
252
    def test_branch_files_from(self):
 
253
        source = self.make_branch_and_tree('source')
 
254
        self.build_tree(['source/file1'])
 
255
        source.add('file1')
 
256
        source.commit('added file')
 
257
        out, err = self.run_bzr('branch source target --files-from source')
 
258
        self.assertPathExists('target/file1')
 
259
 
 
260
    def test_branch_files_from_hardlink(self):
 
261
        self.requireFeature(HardlinkFeature)
 
262
        source = self.make_branch_and_tree('source')
 
263
        self.build_tree(['source/file1'])
 
264
        source.add('file1')
 
265
        source.commit('added file')
 
266
        source.bzrdir.sprout('second')
 
267
        out, err = self.run_bzr('branch source target --files-from second'
 
268
                                ' --hardlink')
 
269
        source_stat = os.stat('source/file1')
 
270
        second_stat = os.stat('second/file1')
 
271
        target_stat = os.stat('target/file1')
 
272
        self.assertNotEqual(source_stat, target_stat)
 
273
        self.assertEqual(second_stat, target_stat)
 
274
 
 
275
    def test_branch_standalone(self):
 
276
        shared_repo = self.make_repository('repo', shared=True)
 
277
        self.example_branch('source')
 
278
        self.run_bzr('branch --standalone source repo/target')
 
279
        b = branch.Branch.open('repo/target')
 
280
        expected_repo_path = os.path.abspath('repo/target/.bzr/repository')
 
281
        self.assertEqual(strip_trailing_slash(b.repository.base),
 
282
            strip_trailing_slash(local_path_to_url(expected_repo_path)))
 
283
 
 
284
    def test_branch_no_tree(self):
 
285
        self.example_branch('source')
 
286
        self.run_bzr('branch --no-tree source target')
 
287
        self.assertPathDoesNotExist('target/hello')
 
288
        self.assertPathDoesNotExist('target/goodbye')
 
289
 
 
290
    def test_branch_into_existing_dir(self):
 
291
        self.example_branch('a')
 
292
        # existing dir with similar files but no .bzr dir
 
293
        self.build_tree_contents([('b/',)])
 
294
        self.build_tree_contents([('b/hello', 'bar')])  # different content
 
295
        self.build_tree_contents([('b/goodbye', 'baz')])# same content
 
296
        # fails without --use-existing-dir
 
297
        out,err = self.run_bzr('branch a b', retcode=3)
 
298
        self.assertEqual('', out)
 
299
        self.assertEqual('bzr: ERROR: Target directory "b" already exists.\n',
 
300
            err)
 
301
        # force operation
 
302
        self.run_bzr('branch a b --use-existing-dir')
 
303
        # check conflicts
 
304
        self.assertPathExists('b/hello.moved')
 
305
        self.assertPathDoesNotExist('b/godbye.moved')
 
306
        # we can't branch into branch
 
307
        out,err = self.run_bzr('branch a b --use-existing-dir', retcode=3)
 
308
        self.assertEqual('', out)
 
309
        self.assertEqual('bzr: ERROR: Already a branch: "b".\n', err)
 
310
 
 
311
    def test_branch_bind(self):
 
312
        self.example_branch('a')
 
313
        out, err = self.run_bzr('branch a b --bind')
 
314
        self.assertEndsWith(err, "New branch bound to a\n")
 
315
        b = branch.Branch.open('b')
 
316
        self.assertEndsWith(b.get_bound_location(), '/a/')
 
317
 
 
318
    def test_branch_with_post_branch_init_hook(self):
 
319
        calls = []
 
320
        branch.Branch.hooks.install_named_hook('post_branch_init',
 
321
            calls.append, None)
 
322
        self.assertLength(0, calls)
 
323
        self.example_branch('a')
 
324
        self.assertLength(1, calls)
 
325
        self.run_bzr('branch a b')
 
326
        self.assertLength(2, calls)
 
327
 
 
328
    def test_checkout_with_post_branch_init_hook(self):
 
329
        calls = []
 
330
        branch.Branch.hooks.install_named_hook('post_branch_init',
 
331
            calls.append, None)
 
332
        self.assertLength(0, calls)
 
333
        self.example_branch('a')
 
334
        self.assertLength(1, calls)
 
335
        self.run_bzr('checkout a b')
 
336
        self.assertLength(2, calls)
 
337
 
 
338
    def test_lightweight_checkout_with_post_branch_init_hook(self):
 
339
        calls = []
 
340
        branch.Branch.hooks.install_named_hook('post_branch_init',
 
341
            calls.append, None)
 
342
        self.assertLength(0, calls)
 
343
        self.example_branch('a')
 
344
        self.assertLength(1, calls)
 
345
        self.run_bzr('checkout --lightweight a b')
 
346
        self.assertLength(2, calls)
 
347
 
 
348
    def test_branch_fetches_all_tags(self):
 
349
        builder = self.make_branch_builder('source')
 
350
        source = fixtures.build_branch_with_non_ancestral_rev(builder)
 
351
        source.tags.set_tag('tag-a', 'rev-2')
 
352
        source.get_config_stack().set('branch.fetch_tags', True)
 
353
        # Now source has a tag not in its ancestry.  Make a branch from it.
 
354
        self.run_bzr('branch source new-branch')
 
355
        new_branch = branch.Branch.open('new-branch')
 
356
        # The tag is present, and so is its revision.
 
357
        self.assertEqual('rev-2', new_branch.tags.lookup_tag('tag-a'))
 
358
        new_branch.repository.get_revision('rev-2')
 
359
 
 
360
 
 
361
class TestBranchStacked(tests.TestCaseWithTransport):
 
362
    """Tests for branch --stacked"""
 
363
 
 
364
    def assertRevisionInRepository(self, repo_path, revid):
 
365
        """Check that a revision is in a repo, disregarding stacking."""
 
366
        repo = controldir.ControlDir.open(repo_path).open_repository()
 
367
        self.assertTrue(repo.has_revision(revid))
 
368
 
 
369
    def assertRevisionNotInRepository(self, repo_path, revid):
 
370
        """Check that a revision is not in a repo, disregarding stacking."""
 
371
        repo = controldir.ControlDir.open(repo_path).open_repository()
 
372
        self.assertFalse(repo.has_revision(revid))
 
373
 
 
374
    def assertRevisionsInBranchRepository(self, revid_list, branch_path):
 
375
        repo = branch.Branch.open(branch_path).repository
 
376
        self.assertEqual(set(revid_list),
 
377
            repo.has_revisions(revid_list))
 
378
 
 
379
    def test_branch_stacked_branch_not_stacked(self):
 
380
        """Branching a stacked branch is not stacked by default"""
 
381
        # We have a mainline
 
382
        trunk_tree = self.make_branch_and_tree('target',
 
383
            format='1.9')
 
384
        trunk_tree.commit('mainline')
 
385
        # and a branch from it which is stacked
 
386
        branch_tree = self.make_branch_and_tree('branch',
 
387
            format='1.9')
 
388
        branch_tree.branch.set_stacked_on_url(trunk_tree.branch.base)
 
389
        # with some work on it
 
390
        work_tree = trunk_tree.branch.bzrdir.sprout('local').open_workingtree()
 
391
        work_tree.commit('moar work plz')
 
392
        work_tree.branch.push(branch_tree.branch)
 
393
        # branching our local branch gives us a new stacked branch pointing at
 
394
        # mainline.
 
395
        out, err = self.run_bzr(['branch', 'branch', 'newbranch'])
 
396
        self.assertEqual('', out)
 
397
        self.assertEqual('Branched 2 revisions.\n',
 
398
            err)
 
399
        # it should have preserved the branch format, and so it should be
 
400
        # capable of supporting stacking, but not actually have a stacked_on
 
401
        # branch configured
 
402
        self.assertRaises(errors.NotStacked,
 
403
            controldir.ControlDir.open('newbranch').open_branch().get_stacked_on_url)
 
404
 
 
405
    def test_branch_stacked_branch_stacked(self):
 
406
        """Asking to stack on a stacked branch does work"""
 
407
        # We have a mainline
 
408
        trunk_tree = self.make_branch_and_tree('target',
 
409
            format='1.9')
 
410
        trunk_revid = trunk_tree.commit('mainline')
 
411
        # and a branch from it which is stacked
 
412
        branch_tree = self.make_branch_and_tree('branch',
 
413
            format='1.9')
 
414
        branch_tree.branch.set_stacked_on_url(trunk_tree.branch.base)
 
415
        # with some work on it
 
416
        work_tree = trunk_tree.branch.bzrdir.sprout('local').open_workingtree()
 
417
        branch_revid = work_tree.commit('moar work plz')
 
418
        work_tree.branch.push(branch_tree.branch)
 
419
        # you can chain branches on from there
 
420
        out, err = self.run_bzr(['branch', 'branch', '--stacked', 'branch2'])
 
421
        self.assertEqual('', out)
 
422
        self.assertEqual('Created new stacked branch referring to %s.\n' %
 
423
            branch_tree.branch.base, err)
 
424
        self.assertEqual(branch_tree.branch.base,
 
425
            branch.Branch.open('branch2').get_stacked_on_url())
 
426
        branch2_tree = WorkingTree.open('branch2')
 
427
        branch2_revid = work_tree.commit('work on second stacked branch')
 
428
        work_tree.branch.push(branch2_tree.branch)
 
429
        self.assertRevisionInRepository('branch2', branch2_revid)
 
430
        self.assertRevisionsInBranchRepository(
 
431
            [trunk_revid, branch_revid, branch2_revid],
 
432
            'branch2')
 
433
 
 
434
    def test_branch_stacked(self):
 
435
        # We have a mainline
 
436
        trunk_tree = self.make_branch_and_tree('mainline',
 
437
            format='1.9')
 
438
        original_revid = trunk_tree.commit('mainline')
 
439
        self.assertRevisionInRepository('mainline', original_revid)
 
440
        # and a branch from it which is stacked
 
441
        out, err = self.run_bzr(['branch', '--stacked', 'mainline',
 
442
            'newbranch'])
 
443
        self.assertEqual('', out)
 
444
        self.assertEqual('Created new stacked branch referring to %s.\n' %
 
445
            trunk_tree.branch.base, err)
 
446
        self.assertRevisionNotInRepository('newbranch', original_revid)
 
447
        new_branch = branch.Branch.open('newbranch')
 
448
        self.assertEqual(trunk_tree.branch.base,
 
449
                         new_branch.get_stacked_on_url())
 
450
 
 
451
    def test_branch_stacked_from_smart_server(self):
 
452
        # We can branch stacking on a smart server
 
453
        self.transport_server = test_server.SmartTCPServer_for_testing
 
454
        trunk = self.make_branch('mainline', format='1.9')
 
455
        out, err = self.run_bzr(
 
456
            ['branch', '--stacked', self.get_url('mainline'), 'shallow'])
 
457
 
 
458
    def test_branch_stacked_from_non_stacked_format(self):
 
459
        """The origin format doesn't support stacking"""
 
460
        trunk = self.make_branch('trunk', format='pack-0.92')
 
461
        out, err = self.run_bzr(
 
462
            ['branch', '--stacked', 'trunk', 'shallow'])
 
463
        # We should notify the user that we upgraded their format
 
464
        self.assertEqualDiff(
 
465
            'Source repository format does not support stacking, using format:\n'
 
466
            '  Packs 5 (adds stacking support, requires bzr 1.6)\n'
 
467
            'Source branch format does not support stacking, using format:\n'
 
468
            '  Branch format 7\n'
 
469
            'Doing on-the-fly conversion from RepositoryFormatKnitPack1() to RepositoryFormatKnitPack5().\n'
 
470
            'This may take some time. Upgrade the repositories to the same format for better performance.\n'
 
471
            'Created new stacked branch referring to %s.\n' % (trunk.base,),
 
472
            err)
 
473
 
 
474
    def test_branch_stacked_from_rich_root_non_stackable(self):
 
475
        trunk = self.make_branch('trunk', format='rich-root-pack')
 
476
        out, err = self.run_bzr(
 
477
            ['branch', '--stacked', 'trunk', 'shallow'])
 
478
        # We should notify the user that we upgraded their format
 
479
        self.assertEqualDiff(
 
480
            'Source repository format does not support stacking, using format:\n'
 
481
            '  Packs 5 rich-root (adds stacking support, requires bzr 1.6.1)\n'
 
482
            'Source branch format does not support stacking, using format:\n'
 
483
            '  Branch format 7\n'
 
484
            'Doing on-the-fly conversion from RepositoryFormatKnitPack4() to RepositoryFormatKnitPack5RichRoot().\n'
 
485
            'This may take some time. Upgrade the repositories to the same format for better performance.\n'
 
486
            'Created new stacked branch referring to %s.\n' % (trunk.base,),
 
487
            err)
 
488
 
 
489
 
 
490
class TestSmartServerBranching(tests.TestCaseWithTransport):
 
491
 
 
492
    def test_branch_from_trivial_branch_to_same_server_branch_acceptance(self):
 
493
        self.setup_smart_server_with_call_log()
 
494
        t = self.make_branch_and_tree('from')
 
495
        for count in range(9):
 
496
            t.commit(message='commit %d' % count)
 
497
        self.reset_smart_call_log()
 
498
        out, err = self.run_bzr(['branch', self.get_url('from'),
 
499
            self.get_url('target')])
 
500
        # This figure represent the amount of work to perform this use case. It
 
501
        # is entirely ok to reduce this number if a test fails due to rpc_count
 
502
        # being too low. If rpc_count increases, more network roundtrips have
 
503
        # become necessary for this use case. Please do not adjust this number
 
504
        # upwards without agreement from bzr's network support maintainers.
 
505
        self.assertLength(2, self.hpss_connections)
 
506
        self.assertLength(33, self.hpss_calls)
 
507
        self.expectFailure("branching to the same branch requires VFS access",
 
508
            self.assertThat, self.hpss_calls, ContainsNoVfsCalls)
 
509
 
 
510
    def test_branch_from_trivial_branch_streaming_acceptance(self):
 
511
        self.setup_smart_server_with_call_log()
 
512
        t = self.make_branch_and_tree('from')
 
513
        for count in range(9):
 
514
            t.commit(message='commit %d' % count)
 
515
        self.reset_smart_call_log()
 
516
        out, err = self.run_bzr(['branch', self.get_url('from'),
 
517
            'local-target'])
 
518
        # This figure represent the amount of work to perform this use case. It
 
519
        # is entirely ok to reduce this number if a test fails due to rpc_count
 
520
        # being too low. If rpc_count increases, more network roundtrips have
 
521
        # become necessary for this use case. Please do not adjust this number
 
522
        # upwards without agreement from bzr's network support maintainers.
 
523
        self.assertThat(self.hpss_calls, ContainsNoVfsCalls)
 
524
        self.assertLength(10, self.hpss_calls)
 
525
        self.assertLength(1, self.hpss_connections)
 
526
 
 
527
    def test_branch_from_trivial_stacked_branch_streaming_acceptance(self):
 
528
        self.setup_smart_server_with_call_log()
 
529
        t = self.make_branch_and_tree('trunk')
 
530
        for count in range(8):
 
531
            t.commit(message='commit %d' % count)
 
532
        tree2 = t.branch.bzrdir.sprout('feature', stacked=True
 
533
            ).open_workingtree()
 
534
        local_tree = t.branch.bzrdir.sprout('local-working').open_workingtree()
 
535
        local_tree.commit('feature change')
 
536
        local_tree.branch.push(tree2.branch)
 
537
        self.reset_smart_call_log()
 
538
        out, err = self.run_bzr(['branch', self.get_url('feature'),
 
539
            'local-target'])
 
540
        # This figure represent the amount of work to perform this use case. It
 
541
        # is entirely ok to reduce this number if a test fails due to rpc_count
 
542
        # being too low. If rpc_count increases, more network roundtrips have
 
543
        # become necessary for this use case. Please do not adjust this number
 
544
        # upwards without agreement from bzr's network support maintainers.
 
545
        self.assertLength(15, self.hpss_calls)
 
546
        self.assertLength(1, self.hpss_connections)
 
547
        self.assertThat(self.hpss_calls, ContainsNoVfsCalls)
 
548
 
 
549
    def test_branch_from_branch_with_tags(self):
 
550
        self.setup_smart_server_with_call_log()
 
551
        builder = self.make_branch_builder('source')
 
552
        source = fixtures.build_branch_with_non_ancestral_rev(builder)
 
553
        source.get_config_stack().set('branch.fetch_tags', True)
 
554
        source.tags.set_tag('tag-a', 'rev-2')
 
555
        source.tags.set_tag('tag-missing', 'missing-rev')
 
556
        # Now source has a tag not in its ancestry.  Make a branch from it.
 
557
        self.reset_smart_call_log()
 
558
        out, err = self.run_bzr(['branch', self.get_url('source'), 'target'])
 
559
        # This figure represent the amount of work to perform this use case. It
 
560
        # is entirely ok to reduce this number if a test fails due to rpc_count
 
561
        # being too low. If rpc_count increases, more network roundtrips have
 
562
        # become necessary for this use case. Please do not adjust this number
 
563
        # upwards without agreement from bzr's network support maintainers.
 
564
        self.assertLength(10, self.hpss_calls)
 
565
        self.assertThat(self.hpss_calls, ContainsNoVfsCalls)
 
566
        self.assertLength(1, self.hpss_connections)
 
567
 
 
568
    def test_branch_to_stacked_from_trivial_branch_streaming_acceptance(self):
 
569
        self.setup_smart_server_with_call_log()
 
570
        t = self.make_branch_and_tree('from')
 
571
        for count in range(9):
 
572
            t.commit(message='commit %d' % count)
 
573
        self.reset_smart_call_log()
 
574
        out, err = self.run_bzr(['branch', '--stacked', self.get_url('from'),
 
575
            'local-target'])
 
576
        # XXX: the number of hpss calls for this case isn't deterministic yet,
 
577
        # so we can't easily assert about the number of calls.
 
578
        #self.assertLength(XXX, self.hpss_calls)
 
579
        # We can assert that none of the calls were readv requests for rix
 
580
        # files, though (demonstrating that at least get_parent_map calls are
 
581
        # not using VFS RPCs).
 
582
        readvs_of_rix_files = [
 
583
            c for c in self.hpss_calls
 
584
            if c.call.method == 'readv' and c.call.args[-1].endswith('.rix')]
 
585
        self.assertLength(1, self.hpss_connections)
 
586
        self.assertLength(0, readvs_of_rix_files)
 
587
        self.expectFailure("branching to stacked requires VFS access",
 
588
            self.assertThat, self.hpss_calls, ContainsNoVfsCalls)
 
589
 
 
590
 
 
591
class TestRemoteBranch(TestCaseWithSFTPServer):
 
592
 
 
593
    def setUp(self):
 
594
        super(TestRemoteBranch, self).setUp()
 
595
        tree = self.make_branch_and_tree('branch')
 
596
        self.build_tree_contents([('branch/file', 'file content\n')])
 
597
        tree.add('file')
 
598
        tree.commit('file created')
 
599
 
 
600
    def test_branch_local_remote(self):
 
601
        self.run_bzr(['branch', 'branch', self.get_url('remote')])
 
602
        t = self.get_transport()
 
603
        # Ensure that no working tree what created remotely
 
604
        self.assertFalse(t.has('remote/file'))
 
605
 
 
606
    def test_branch_remote_remote(self):
 
607
        # Light cheat: we access the branch remotely
 
608
        self.run_bzr(['branch', self.get_url('branch'),
 
609
                      self.get_url('remote')])
 
610
        t = self.get_transport()
 
611
        # Ensure that no working tree what created remotely
 
612
        self.assertFalse(t.has('remote/file'))
 
613
 
 
614
 
 
615
class TestDeprecatedAliases(tests.TestCaseWithTransport):
 
616
 
 
617
    def test_deprecated_aliases(self):
 
618
        """bzr branch can be called clone or get, but those names are
 
619
        deprecated.
 
620
 
 
621
        See bug 506265.
 
622
        """
 
623
        for command in ['clone', 'get']:
 
624
            run_script(self, """
 
625
            $ bzr %(command)s A B
 
626
            2>The command 'bzr %(command)s' has been deprecated in bzr 2.4. Please use 'bzr branch' instead.
 
627
            2>bzr: ERROR: Not a branch...
 
628
            """ % locals())
 
629
 
 
630
 
 
631
class TestBranchParentLocation(test_switch.TestSwitchParentLocationBase):
 
632
 
 
633
    def _checkout_and_branch(self, option=''):
 
634
        self.script_runner.run_script(self, '''
 
635
                $ bzr checkout %(option)s repo/trunk checkout
 
636
                $ cd checkout
 
637
                $ bzr branch --switch ../repo/trunk ../repo/branched
 
638
                2>Branched 0 revisions.
 
639
                2>Tree is up to date at revision 0.
 
640
                2>Switched to branch:...branched...
 
641
                $ cd ..
 
642
                ''' % locals())
 
643
        bound_branch = branch.Branch.open_containing('checkout')[0]
 
644
        master_branch = branch.Branch.open_containing('repo/branched')[0]
 
645
        return (bound_branch, master_branch)
 
646
 
 
647
    def test_branch_switch_parent_lightweight(self):
 
648
        """Lightweight checkout using bzr branch --switch."""
 
649
        bb, mb = self._checkout_and_branch(option='--lightweight')
 
650
        self.assertParent('repo/trunk', bb)
 
651
        self.assertParent('repo/trunk', mb)
 
652
 
 
653
    def test_branch_switch_parent_heavyweight(self):
 
654
        """Heavyweight checkout using bzr branch --switch."""
 
655
        bb, mb = self._checkout_and_branch()
 
656
        self.assertParent('repo/trunk', bb)
 
657
        self.assertParent('repo/trunk', mb)