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  • Committer: Canonical.com Patch Queue Manager
  • Date: 2010-01-21 10:00:42 UTC
  • mfrom: (4978.1.2 integration)
  • Revision ID: pqm@pqm.ubuntu.com-20100121100042-77858a88k2zpec7b
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# Copyright (C) 2005, 2006, 2010 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 pull."""
 
19
 
 
20
import os
 
21
import sys
 
22
 
 
23
from bzrlib import (
 
24
    debug,
 
25
    remote,
 
26
    urlutils,
 
27
    )
 
28
 
 
29
from bzrlib.branch import Branch
 
30
from bzrlib.directory_service import directories
 
31
from bzrlib.osutils import pathjoin
 
32
from bzrlib.tests.blackbox import ExternalBase
 
33
from bzrlib.uncommit import uncommit
 
34
from bzrlib.workingtree import WorkingTree
 
35
 
 
36
 
 
37
class TestPull(ExternalBase):
 
38
 
 
39
    def example_branch(self, path='.'):
 
40
        tree = self.make_branch_and_tree(path)
 
41
        self.build_tree_contents([
 
42
            (pathjoin(path, 'hello'),   'foo'),
 
43
            (pathjoin(path, 'goodbye'), 'baz')])
 
44
        tree.add('hello')
 
45
        tree.commit(message='setup')
 
46
        tree.add('goodbye')
 
47
        tree.commit(message='setup')
 
48
        return tree
 
49
 
 
50
    def test_pull(self):
 
51
        """Pull changes from one branch to another."""
 
52
        a_tree = self.example_branch('a')
 
53
        os.chdir('a')
 
54
        self.run_bzr('pull', retcode=3)
 
55
        self.run_bzr('missing', retcode=3)
 
56
        self.run_bzr('missing .')
 
57
        self.run_bzr('missing')
 
58
        # this will work on windows because we check for the same branch
 
59
        # in pull - if it fails, it is a regression
 
60
        self.run_bzr('pull')
 
61
        self.run_bzr('pull /', retcode=3)
 
62
        if sys.platform not in ('win32', 'cygwin'):
 
63
            self.run_bzr('pull')
 
64
 
 
65
        os.chdir('..')
 
66
        b_tree = a_tree.bzrdir.sprout('b').open_workingtree()
 
67
        os.chdir('b')
 
68
        self.run_bzr('pull')
 
69
        os.mkdir('subdir')
 
70
        b_tree.add('subdir')
 
71
        b_tree.commit(message='blah', allow_pointless=True)
 
72
 
 
73
        os.chdir('..')
 
74
        a = Branch.open('a')
 
75
        b = Branch.open('b')
 
76
        self.assertEqual(a.revision_history(), b.revision_history()[:-1])
 
77
 
 
78
        os.chdir('a')
 
79
        self.run_bzr('pull ../b')
 
80
        self.assertEqual(a.revision_history(), b.revision_history())
 
81
        a_tree.commit(message='blah2', allow_pointless=True)
 
82
        b_tree.commit(message='blah3', allow_pointless=True)
 
83
        # no overwrite
 
84
        os.chdir('../b')
 
85
        self.run_bzr('pull ../a', retcode=3)
 
86
        os.chdir('..')
 
87
        b_tree.bzrdir.sprout('overwriteme')
 
88
        os.chdir('overwriteme')
 
89
        self.run_bzr('pull --overwrite ../a')
 
90
        overwritten = Branch.open('.')
 
91
        self.assertEqual(overwritten.revision_history(),
 
92
                         a.revision_history())
 
93
        a_tree.merge_from_branch(b_tree.branch)
 
94
        a_tree.commit(message="blah4", allow_pointless=True)
 
95
        os.chdir('../b/subdir')
 
96
        self.run_bzr('pull ../../a')
 
97
        self.assertEqual(a.revision_history()[-1], b.revision_history()[-1])
 
98
        sub_tree = WorkingTree.open_containing('.')[0]
 
99
        sub_tree.commit(message="blah5", allow_pointless=True)
 
100
        sub_tree.commit(message="blah6", allow_pointless=True)
 
101
        os.chdir('..')
 
102
        self.run_bzr('pull ../a')
 
103
        os.chdir('../a')
 
104
        a_tree.commit(message="blah7", allow_pointless=True)
 
105
        a_tree.merge_from_branch(b_tree.branch)
 
106
        a_tree.commit(message="blah8", allow_pointless=True)
 
107
        self.run_bzr('pull ../b')
 
108
        self.run_bzr('pull ../b')
 
109
 
 
110
    def test_pull_dash_d(self):
 
111
        self.example_branch('a')
 
112
        self.make_branch_and_tree('b')
 
113
        self.make_branch_and_tree('c')
 
114
        # pull into that branch
 
115
        self.run_bzr('pull -d b a')
 
116
        # pull into a branch specified by a url
 
117
        c_url = urlutils.local_path_to_url('c')
 
118
        self.assertStartsWith(c_url, 'file://')
 
119
        self.run_bzr(['pull', '-d', c_url, 'a'])
 
120
 
 
121
    def test_pull_revision(self):
 
122
        """Pull some changes from one branch to another."""
 
123
        a_tree = self.example_branch('a')
 
124
        self.build_tree_contents([
 
125
            ('a/hello2',   'foo'),
 
126
            ('a/goodbye2', 'baz')])
 
127
        a_tree.add('hello2')
 
128
        a_tree.commit(message="setup")
 
129
        a_tree.add('goodbye2')
 
130
        a_tree.commit(message="setup")
 
131
 
 
132
        b_tree = a_tree.bzrdir.sprout('b',
 
133
                   revision_id=a_tree.branch.get_rev_id(1)).open_workingtree()
 
134
        os.chdir('b')
 
135
        self.run_bzr('pull -r 2')
 
136
        a = Branch.open('../a')
 
137
        b = Branch.open('.')
 
138
        self.assertEqual(a.revno(),4)
 
139
        self.assertEqual(b.revno(),2)
 
140
        self.run_bzr('pull -r 3')
 
141
        self.assertEqual(b.revno(),3)
 
142
        self.run_bzr('pull -r 4')
 
143
        self.assertEqual(a.revision_history(), b.revision_history())
 
144
 
 
145
 
 
146
    def test_overwrite_uptodate(self):
 
147
        # Make sure pull --overwrite overwrites
 
148
        # even if the target branch has merged
 
149
        # everything already.
 
150
        a_tree = self.make_branch_and_tree('a')
 
151
        self.build_tree_contents([('a/foo', 'original\n')])
 
152
        a_tree.add('foo')
 
153
        a_tree.commit(message='initial commit')
 
154
 
 
155
        b_tree = a_tree.bzrdir.sprout('b').open_workingtree()
 
156
 
 
157
        self.build_tree_contents([('a/foo', 'changed\n')])
 
158
        a_tree.commit(message='later change')
 
159
 
 
160
        self.build_tree_contents([('a/foo', 'a third change')])
 
161
        a_tree.commit(message='a third change')
 
162
 
 
163
        rev_history_a = a_tree.branch.revision_history()
 
164
        self.assertEqual(len(rev_history_a), 3)
 
165
 
 
166
        b_tree.merge_from_branch(a_tree.branch)
 
167
        b_tree.commit(message='merge')
 
168
 
 
169
        self.assertEqual(len(b_tree.branch.revision_history()), 2)
 
170
 
 
171
        os.chdir('b')
 
172
        self.run_bzr('pull --overwrite ../a')
 
173
        rev_history_b = b_tree.branch.revision_history()
 
174
        self.assertEqual(len(rev_history_b), 3)
 
175
 
 
176
        self.assertEqual(rev_history_b, rev_history_a)
 
177
 
 
178
    def test_overwrite_children(self):
 
179
        # Make sure pull --overwrite sets the revision-history
 
180
        # to be identical to the pull source, even if we have convergence
 
181
        a_tree = self.make_branch_and_tree('a')
 
182
        self.build_tree_contents([('a/foo', 'original\n')])
 
183
        a_tree.add('foo')
 
184
        a_tree.commit(message='initial commit')
 
185
 
 
186
        b_tree = a_tree.bzrdir.sprout('b').open_workingtree()
 
187
 
 
188
        self.build_tree_contents([('a/foo', 'changed\n')])
 
189
        a_tree.commit(message='later change')
 
190
 
 
191
        self.build_tree_contents([('a/foo', 'a third change')])
 
192
        a_tree.commit(message='a third change')
 
193
 
 
194
        self.assertEqual(len(a_tree.branch.revision_history()), 3)
 
195
 
 
196
        b_tree.merge_from_branch(a_tree.branch)
 
197
        b_tree.commit(message='merge')
 
198
 
 
199
        self.assertEqual(len(b_tree.branch.revision_history()), 2)
 
200
 
 
201
        self.build_tree_contents([('a/foo', 'a fourth change\n')])
 
202
        a_tree.commit(message='a fourth change')
 
203
 
 
204
        rev_history_a = a_tree.branch.revision_history()
 
205
        self.assertEqual(len(rev_history_a), 4)
 
206
 
 
207
        # With convergence, we could just pull over the
 
208
        # new change, but with --overwrite, we want to switch our history
 
209
        os.chdir('b')
 
210
        self.run_bzr('pull --overwrite ../a')
 
211
        rev_history_b = b_tree.branch.revision_history()
 
212
        self.assertEqual(len(rev_history_b), 4)
 
213
 
 
214
        self.assertEqual(rev_history_b, rev_history_a)
 
215
 
 
216
    def test_pull_remember(self):
 
217
        """Pull changes from one branch to another and test parent location."""
 
218
        transport = self.get_transport()
 
219
        tree_a = self.make_branch_and_tree('branch_a')
 
220
        branch_a = tree_a.branch
 
221
        self.build_tree(['branch_a/a'])
 
222
        tree_a.add('a')
 
223
        tree_a.commit('commit a')
 
224
        tree_b = branch_a.bzrdir.sprout('branch_b').open_workingtree()
 
225
        branch_b = tree_b.branch
 
226
        tree_c = branch_a.bzrdir.sprout('branch_c').open_workingtree()
 
227
        branch_c = tree_c.branch
 
228
        self.build_tree(['branch_a/b'])
 
229
        tree_a.add('b')
 
230
        tree_a.commit('commit b')
 
231
        # reset parent
 
232
        parent = branch_b.get_parent()
 
233
        branch_b.set_parent(None)
 
234
        self.assertEqual(None, branch_b.get_parent())
 
235
        # test pull for failure without parent set
 
236
        os.chdir('branch_b')
 
237
        out = self.run_bzr('pull', retcode=3)
 
238
        self.assertEqual(out,
 
239
                ('','bzr: ERROR: No pull location known or specified.\n'))
 
240
        # test implicit --remember when no parent set, this pull conflicts
 
241
        self.build_tree(['d'])
 
242
        tree_b.add('d')
 
243
        tree_b.commit('commit d')
 
244
        out = self.run_bzr('pull ../branch_a', retcode=3)
 
245
        self.assertEqual(out,
 
246
                ('','bzr: ERROR: These branches have diverged.'
 
247
                    ' Use the missing command to see how.\n'
 
248
                    'Use the merge command to reconcile them.\n'))
 
249
        self.assertEqual(branch_b.get_parent(), parent)
 
250
        # test implicit --remember after resolving previous failure
 
251
        uncommit(branch=branch_b, tree=tree_b)
 
252
        transport.delete('branch_b/d')
 
253
        self.run_bzr('pull')
 
254
        self.assertEqual(branch_b.get_parent(), parent)
 
255
        # test explicit --remember
 
256
        self.run_bzr('pull ../branch_c --remember')
 
257
        self.assertEqual(branch_b.get_parent(),
 
258
                          branch_c.bzrdir.root_transport.base)
 
259
 
 
260
    def test_pull_bundle(self):
 
261
        from bzrlib.testament import Testament
 
262
        # Build up 2 trees and prepare for a pull
 
263
        tree_a = self.make_branch_and_tree('branch_a')
 
264
        f = open('branch_a/a', 'wb')
 
265
        f.write('hello')
 
266
        f.close()
 
267
        tree_a.add('a')
 
268
        tree_a.commit('message')
 
269
 
 
270
        tree_b = tree_a.bzrdir.sprout('branch_b').open_workingtree()
 
271
 
 
272
        # Make a change to 'a' that 'b' can pull
 
273
        f = open('branch_a/a', 'wb')
 
274
        f.write('hey there')
 
275
        f.close()
 
276
        tree_a.commit('message')
 
277
 
 
278
        # Create the bundle for 'b' to pull
 
279
        os.chdir('branch_a')
 
280
        self.run_bzr('bundle ../branch_b -o ../bundle')
 
281
 
 
282
        os.chdir('../branch_b')
 
283
        out, err = self.run_bzr('pull ../bundle')
 
284
        self.assertEqual(out,
 
285
                         'Now on revision 2.\n')
 
286
        self.assertEqual(err,
 
287
                ' M  a\nAll changes applied successfully.\n')
 
288
 
 
289
        self.assertEqualDiff(tree_a.branch.revision_history(),
 
290
                             tree_b.branch.revision_history())
 
291
 
 
292
        testament_a = Testament.from_revision(tree_a.branch.repository,
 
293
                                              tree_a.get_parent_ids()[0])
 
294
        testament_b = Testament.from_revision(tree_b.branch.repository,
 
295
                                              tree_b.get_parent_ids()[0])
 
296
        self.assertEqualDiff(testament_a.as_text(),
 
297
                             testament_b.as_text())
 
298
 
 
299
        # it is legal to attempt to pull an already-merged bundle
 
300
        out, err = self.run_bzr('pull ../bundle')
 
301
        self.assertEqual(err, '')
 
302
        self.assertEqual(out, 'No revisions to pull.\n')
 
303
 
 
304
    def test_pull_verbose_no_files(self):
 
305
        """Pull --verbose should not list modified files"""
 
306
        tree_a = self.make_branch_and_tree('tree_a')
 
307
        self.build_tree(['tree_a/foo'])
 
308
        tree_a.add('foo')
 
309
        tree_a.commit('bar')
 
310
        tree_b = self.make_branch_and_tree('tree_b')
 
311
        out = self.run_bzr('pull --verbose -d tree_b tree_a')[0]
 
312
        self.assertContainsRe(out, 'bar')
 
313
        self.assertNotContainsRe(out, 'added:')
 
314
        self.assertNotContainsRe(out, 'foo')
 
315
 
 
316
    def test_pull_quiet(self):
 
317
        """Check that bzr pull --quiet does not print anything"""
 
318
        tree_a = self.make_branch_and_tree('tree_a')
 
319
        self.build_tree(['tree_a/foo'])
 
320
        tree_a.add('foo')
 
321
        revision_id = tree_a.commit('bar')
 
322
        tree_b = tree_a.bzrdir.sprout('tree_b').open_workingtree()
 
323
        out, err = self.run_bzr('pull --quiet -d tree_b')
 
324
        self.assertEqual(out, '')
 
325
        self.assertEqual(err, '')
 
326
        self.assertEqual(tree_b.last_revision(), revision_id)
 
327
        self.build_tree(['tree_a/moo'])
 
328
        tree_a.add('moo')
 
329
        revision_id = tree_a.commit('quack')
 
330
        out, err = self.run_bzr('pull --quiet -d tree_b')
 
331
        self.assertEqual(out, '')
 
332
        self.assertEqual(err, '')
 
333
        self.assertEqual(tree_b.last_revision(), revision_id)
 
334
 
 
335
    def test_pull_from_directory_service(self):
 
336
        source = self.make_branch_and_tree('source')
 
337
        source.commit('commit 1')
 
338
        target = source.bzrdir.sprout('target').open_workingtree()
 
339
        source_last = source.commit('commit 2')
 
340
        class FooService(object):
 
341
            """A directory service that always returns source"""
 
342
 
 
343
            def look_up(self, name, url):
 
344
                return 'source'
 
345
        directories.register('foo:', FooService, 'Testing directory service')
 
346
        self.addCleanup(lambda: directories.remove('foo:'))
 
347
        self.run_bzr('pull foo:bar -d target')
 
348
        self.assertEqual(source_last, target.last_revision())
 
349
 
 
350
    def test_pull_verbose_defaults_to_long(self):
 
351
        tree = self.example_branch('source')
 
352
        target = self.make_branch_and_tree('target')
 
353
        out = self.run_bzr('pull -v source -d target')[0]
 
354
        self.assertContainsRe(out,
 
355
                              r'revno: 1\ncommitter: .*\nbranch nick: source')
 
356
        self.assertNotContainsRe(out, r'\n {4}1 .*\n {6}setup\n')
 
357
 
 
358
    def test_pull_verbose_uses_default_log(self):
 
359
        tree = self.example_branch('source')
 
360
        target = self.make_branch_and_tree('target')
 
361
        target_config = target.branch.get_config()
 
362
        target_config.set_user_option('log_format', 'short')
 
363
        out = self.run_bzr('pull -v source -d target')[0]
 
364
        self.assertContainsRe(out, r'\n {4}1 .*\n {6}setup\n')
 
365
        self.assertNotContainsRe(
 
366
            out, r'revno: 1\ncommitter: .*\nbranch nick: source')
 
367
 
 
368
    def test_pull_smart_stacked_streaming_acceptance(self):
 
369
        """'bzr pull -r 123' works on stacked, smart branches, even when the
 
370
        revision specified by the revno is only present in the fallback
 
371
        repository.
 
372
 
 
373
        See <https://launchpad.net/bugs/380314>
 
374
        """
 
375
        self.setup_smart_server_with_call_log()
 
376
        # Make a stacked-on branch with two commits so that the
 
377
        # revision-history can't be determined just by looking at the parent
 
378
        # field in the revision in the stacked repo.
 
379
        parent = self.make_branch_and_tree('parent', format='1.9')
 
380
        parent.commit(message='first commit')
 
381
        parent.commit(message='second commit')
 
382
        local = parent.bzrdir.sprout('local').open_workingtree()
 
383
        local.commit(message='local commit')
 
384
        local.branch.create_clone_on_transport(
 
385
            self.get_transport('stacked'), stacked_on=self.get_url('parent'))
 
386
        empty = self.make_branch_and_tree('empty', format='1.9')
 
387
        self.reset_smart_call_log()
 
388
        self.run_bzr(['pull', '-r', '1', self.get_url('stacked')],
 
389
            working_dir='empty')
 
390
        # This figure represent the amount of work to perform this use case. It
 
391
        # is entirely ok to reduce this number if a test fails due to rpc_count
 
392
        # being too low. If rpc_count increases, more network roundtrips have
 
393
        # become necessary for this use case. Please do not adjust this number
 
394
        # upwards without agreement from bzr's network support maintainers.
 
395
        self.assertLength(18, self.hpss_calls)
 
396
        remote = Branch.open('stacked')
 
397
        self.assertEndsWith(remote.get_stacked_on_url(), '/parent')
 
398
    
 
399
    def test_pull_cross_format_warning(self):
 
400
        """You get a warning for probably slow cross-format pulls.
 
401
        """
 
402
        # this is assumed to be going through InterDifferingSerializer
 
403
        from_tree = self.make_branch_and_tree('from', format='2a')
 
404
        to_tree = self.make_branch_and_tree('to', format='1.14-rich-root')
 
405
        from_tree.commit(message='first commit')
 
406
        out, err = self.run_bzr(['pull', '-d', 'to', 'from'])
 
407
        self.assertContainsRe(err,
 
408
            "(?m)Doing on-the-fly conversion")
 
409
 
 
410
    def test_pull_cross_format_warning_no_IDS(self):
 
411
        """You get a warning for probably slow cross-format pulls.
 
412
        """
 
413
        # this simulates what would happen across the network, where
 
414
        # interdifferingserializer is not active
 
415
 
 
416
        debug.debug_flags.add('IDS_never')
 
417
        # TestCase take care of restoring them
 
418
 
 
419
        from_tree = self.make_branch_and_tree('from', format='2a')
 
420
        to_tree = self.make_branch_and_tree('to', format='1.14-rich-root')
 
421
        from_tree.commit(message='first commit')
 
422
        out, err = self.run_bzr(['pull', '-d', 'to', 'from'])
 
423
        self.assertContainsRe(err,
 
424
            "(?m)Doing on-the-fly conversion")
 
425
 
 
426
    def test_pull_cross_format_from_network(self):
 
427
        self.setup_smart_server_with_call_log()
 
428
        from_tree = self.make_branch_and_tree('from', format='2a')
 
429
        to_tree = self.make_branch_and_tree('to', format='1.14-rich-root')
 
430
        self.assertIsInstance(from_tree.branch, remote.RemoteBranch)
 
431
        from_tree.commit(message='first commit')
 
432
        out, err = self.run_bzr(['pull', '-d', 'to',
 
433
            from_tree.branch.bzrdir.root_transport.base])
 
434
        self.assertContainsRe(err,
 
435
            "(?m)Doing on-the-fly conversion")