~bzr-pqm/bzr/bzr.dev

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
# Copyright (C) 2005-2012 Canonical Ltd
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA


"""Tests of bound branches (binding, unbinding, commit, etc) command."""

from bzrlib import (
    branch,
    bzrdir,
    errors,
    tests,
    )
from bzrlib.tests import script


class TestBoundBranches(tests.TestCaseWithTransport):

    def create_branches(self):
        base_tree = self.make_branch_and_tree('base')
        base_tree.lock_write()
        self.build_tree(['base/a', 'base/b'])
        base_tree.add(['a', 'b'])
        base_tree.commit('init')
        base_tree.unlock()
        branch = base_tree.branch

        child_tree = branch.create_checkout('child')

        self.check_revno(1, 'child')
        d = bzrdir.BzrDir.open('child')
        self.assertNotEqual(None, d.open_branch().get_master_branch())

        return base_tree, child_tree

    def check_revno(self, val, loc='.'):
        self.assertEqual(
            val, bzrdir.BzrDir.open(loc).open_branch().last_revision_info()[0])

    def test_simple_binding(self):
        tree = self.make_branch_and_tree('base')
        self.build_tree(['base/a', 'base/b'])
        tree.add('a', 'b')
        tree.commit(message='init')

        tree.bzrdir.sprout('child')

        self.run_bzr('bind ../base', working_dir='child')

        d = bzrdir.BzrDir.open('child')
        self.assertNotEqual(None, d.open_branch().get_master_branch())

        self.run_bzr('unbind', working_dir='child')
        self.assertEqual(None, d.open_branch().get_master_branch())

        self.run_bzr('unbind', retcode=3, working_dir='child')

    def test_bind_branch6(self):
        branch1 = self.make_branch('branch1', format='dirstate-tags')
        error = self.run_bzr('bind', retcode=3, working_dir='branch1')[1]
        self.assertEndsWith(
            error, 'No location supplied and no previous location known\n')

    def setup_rebind(self, format):
        branch1 = self.make_branch('branch1')
        branch2 = self.make_branch('branch2', format=format)
        branch2.bind(branch1)
        branch2.unbind()

    def test_rebind_branch6(self):
        self.setup_rebind('dirstate-tags')
        self.run_bzr('bind', working_dir='branch2')
        b = branch.Branch.open('branch2')
        self.assertEndsWith(b.get_bound_location(), '/branch1/')

    def test_rebind_branch5(self):
        self.setup_rebind('knit')
        error = self.run_bzr('bind', retcode=3, working_dir='branch2')[1]
        self.assertEndsWith(
            error, 'No location supplied.  This format does not remember'
            ' old locations.\n')

    def test_bound_commit(self):
        child_tree = self.create_branches()[1]

        self.build_tree_contents([('child/a', 'new contents')])
        child_tree.commit(message='child')

        self.check_revno(2, 'child')

        # Make sure it committed on the parent
        self.check_revno(2, 'base')

    def test_bound_fail(self):
        # Make sure commit fails if out of date.
        base_tree, child_tree = self.create_branches()

        self.build_tree_contents([
            ('base/a',  'new base contents\n'   ),
            ('child/b', 'new b child contents\n')])
        base_tree.commit(message='base')
        self.check_revno(2, 'base')

        self.check_revno(1, 'child')
        self.assertRaises(errors.BoundBranchOutOfDate, child_tree.commit,
                                                            message='child')
        self.check_revno(1, 'child')

        child_tree.update()
        self.check_revno(2, 'child')

        child_tree.commit(message='child')
        self.check_revno(3, 'child')
        self.check_revno(3, 'base')

    def test_double_binding(self):
        child_tree = self.create_branches()[1]
        child_tree.bzrdir.sprout('child2')

        # Double binding succeeds, but committing to child2 should fail
        self.run_bzr('bind ../child', working_dir='child2')

        # Refresh the child tree object as 'unbind' modified it
        child2_tree = bzrdir.BzrDir.open('child2').open_workingtree()
        self.assertRaises(errors.CommitToDoubleBoundBranch,
                child2_tree.commit, message='child2', allow_pointless=True)

    def test_unbinding(self):
        base_tree, child_tree = self.create_branches()

        self.build_tree_contents([
            ('base/a',  'new base contents\n'   ),
            ('child/b', 'new b child contents\n')])

        base_tree.commit(message='base')
        self.check_revno(2, 'base')

        self.check_revno(1, 'child')
        self.run_bzr("commit -m child", retcode=3, working_dir='child')
        self.check_revno(1, 'child')
        self.run_bzr('unbind', working_dir='child')
        # Refresh the child tree/branch objects as 'unbind' modified them
        child_tree = child_tree.bzrdir.open_workingtree()
        child_tree.commit(message='child')
        self.check_revno(2, 'child')

    def test_commit_remote_bound(self):
        # It is not possible to commit to a branch
        # which is bound to a branch which is bound
        base_tree, child_tree = self.create_branches()
        base_tree.bzrdir.sprout('newbase')

        # There is no way to know that B has already
        # been bound by someone else, otherwise it
        # might be nice if this would fail
        self.run_bzr('bind ../newbase', working_dir='base')

        self.run_bzr('commit -m failure --unchanged', retcode=3,
                     working_dir='child')

    def test_pull_updates_both(self):
        base_tree = self.create_branches()[0]
        newchild_tree = base_tree.bzrdir.sprout('newchild').open_workingtree()
        self.build_tree_contents([('newchild/b', 'newchild b contents\n')])
        newchild_tree.commit(message='newchild')
        self.check_revno(2, 'newchild')

        # The pull should succeed, and update
        # the bound parent branch
        self.run_bzr('pull ../newchild', working_dir='child')
        self.check_revno(2, 'child')
        self.check_revno(2, 'base')

    def test_pull_local_updates_local(self):
        base_tree = self.create_branches()[0]
        newchild_tree = base_tree.bzrdir.sprout('newchild').open_workingtree()
        self.build_tree_contents([('newchild/b', 'newchild b contents\n')])
        newchild_tree.commit(message='newchild')
        self.check_revno(2, 'newchild')

        # The pull should succeed, and update
        # the bound parent branch
        self.run_bzr('pull ../newchild --local', working_dir='child')
        self.check_revno(2, 'child')
        self.check_revno(1, 'base')

    def test_bind_diverged(self):
        base_tree, child_tree = self.create_branches()
        base_branch = base_tree.branch
        child_branch = child_tree.branch

        self.run_bzr('unbind', working_dir='child')

        # Refresh the child tree/branch objects as 'unbind' modified them
        child_tree = child_tree.bzrdir.open_workingtree()
        child_tree.commit(message='child', allow_pointless=True)
        self.check_revno(2, 'child')

        self.check_revno(1, 'base')
        base_tree.commit(message='base', allow_pointless=True)
        self.check_revno(2, 'base')

        # These branches have diverged, but bind should succeed anyway
        self.run_bzr('bind ../base', working_dir='child')

        # Refresh the child tree/branch objects as 'bind' modified them
        child_tree = child_tree.bzrdir.open_workingtree()
        # This should turn the local commit into a merge
        child_tree.update()
        child_tree.commit(message='merged')
        self.check_revno(3, 'child')
        self.assertEquals(child_tree.branch.last_revision(),
                          base_tree.branch.last_revision())

    def test_bind_parent_ahead(self):
        base_tree = self.create_branches()[0]

        self.run_bzr('unbind', working_dir='child')

        base_tree.commit(message='base', allow_pointless=True)

        self.check_revno(1, 'child')
        self.run_bzr('bind ../base', working_dir='child')

        # binding does not pull data:
        self.check_revno(1, 'child')
        self.run_bzr('unbind', working_dir='child')

        # Check and make sure it also works if parent is ahead multiple
        base_tree.commit(message='base 3', allow_pointless=True)
        base_tree.commit(message='base 4', allow_pointless=True)
        base_tree.commit(message='base 5', allow_pointless=True)
        self.check_revno(5, 'base')

        self.check_revno(1, 'child')
        self.run_bzr('bind ../base', working_dir='child')
        self.check_revno(1, 'child')

    def test_bind_child_ahead(self):
        # test binding when the master branches history is a prefix of the
        # childs - it should bind ok but the revision histories should not
        # be altered
        child_tree = self.create_branches()[1]

        self.run_bzr('unbind', working_dir='child')
        # Refresh the child tree/branch objects as 'bind' modified them
        child_tree = child_tree.bzrdir.open_workingtree()
        child_tree.commit(message='child', allow_pointless=True)
        self.check_revno(2, 'child')
        self.check_revno(1, 'base')

        self.run_bzr('bind ../base', working_dir='child')
        self.check_revno(1, 'base')

        # Check and make sure it also works if child is ahead multiple
        self.run_bzr('unbind', working_dir='child')
        child_tree.commit(message='child 3', allow_pointless=True)
        child_tree.commit(message='child 4', allow_pointless=True)
        child_tree.commit(message='child 5', allow_pointless=True)
        self.check_revno(5, 'child')

        self.check_revno(1, 'base')
        self.run_bzr('bind ../base', working_dir='child')
        self.check_revno(1, 'base')

    def test_bind_fail_if_missing(self):
        """We should not be able to bind to a missing branch."""
        tree = self.make_branch_and_tree('tree_1')
        tree.commit('dummy commit')
        self.run_bzr_error(['Not a branch.*no-such-branch/'],
                           ['bind', '../no-such-branch'],
                           working_dir='tree_1')
        self.assertIs(None, tree.branch.get_bound_location())

    def test_commit_after_merge(self):
        base_tree, child_tree = self.create_branches()

        # We want merge to be able to be a local only
        # operation, because it can be without violating
        # the binding invariants.
        # But we can't fail afterwards
        other_tree = child_tree.bzrdir.sprout('other').open_workingtree()
        other_branch = other_tree.branch

        self.build_tree_contents([('other/c', 'file c\n')])
        other_tree.add('c')
        other_tree.commit(message='adding c')
        new_rev_id = other_branch.last_revision()

        child_tree.merge_from_branch(other_branch)

        self.assertPathExists('child/c')
        self.assertEqual([new_rev_id], child_tree.get_parent_ids()[1:])

        # Make sure the local branch has the installed revision
        self.assertTrue(child_tree.branch.repository.has_revision(new_rev_id))

        # And make sure that the base tree does not
        self.assertFalse(base_tree.branch.repository.has_revision(new_rev_id))

        # Commit should succeed, and cause merged revisions to
        # be pulled into base
        self.run_bzr(['commit', '-m', 'merge other'], working_dir='child')
        self.check_revno(2, 'child')
        self.check_revno(2, 'base')
        self.assertTrue(base_tree.branch.repository.has_revision(new_rev_id))

    def test_pull_overwrite(self):
        # XXX: This test should be moved to branch-implemenations/test_pull
        child_tree = self.create_branches()[1]

        other_tree = child_tree.bzrdir.sprout('other').open_workingtree()

        self.build_tree_contents([('other/a', 'new contents\n')])
        other_tree.commit(message='changed a')
        self.check_revno(2, 'other')
        self.build_tree_contents([
            ('other/a', 'new contents\nand then some\n')])
        other_tree.commit(message='another a')
        self.check_revno(3, 'other')
        self.build_tree_contents([
            ('other/a', 'new contents\nand then some\nand some more\n')])
        other_tree.commit('yet another a')
        self.check_revno(4, 'other')

        self.build_tree_contents([('child/a', 'also changed a\n')])
        child_tree.commit(message='child modified a')

        self.check_revno(2, 'child')
        self.check_revno(2, 'base')

        self.run_bzr('pull --overwrite ../other', working_dir='child')

        # both the local and master should have been updated.
        self.check_revno(4, 'child')
        self.check_revno(4, 'base')

    def test_bind_directory(self):
        """Test --directory option"""
        tree = self.make_branch_and_tree('base')
        self.build_tree(['base/a', 'base/b'])
        tree.add('a', 'b')
        tree.commit(message='init')
        branch = tree.branch
        tree.bzrdir.sprout('child')
        self.run_bzr('bind --directory=child base')
        d = bzrdir.BzrDir.open('child')
        self.assertNotEqual(None, d.open_branch().get_master_branch())
        self.run_bzr('unbind -d child')
        self.assertEqual(None, d.open_branch().get_master_branch())
        self.run_bzr('unbind --directory child', retcode=3)


class TestBind(script.TestCaseWithTransportAndScript):

    def test_bind_when_bound(self):
        self.run_script("""
$ bzr init trunk
...
$ bzr init copy
...
$ cd copy
$ bzr bind ../trunk
$ bzr bind
2>bzr: ERROR: Branch is already bound
""")

    def test_bind_before_bound(self):
        self.run_script("""
$ bzr init trunk
...
$ cd trunk
$ bzr bind
2>bzr: ERROR: No location supplied and no previous location known
""")