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Viewing changes to bzrlib/tests/blackbox/test_push.py

  • Committer: Andrew Bennetts
  • Date: 2009-06-03 06:43:45 UTC
  • mfrom: (4400 +trunk)
  • mto: This revision was merged to the branch mainline in revision 4401.
  • Revision ID: andrew.bennetts@canonical.com-20090603064345-p44bv6u05mkmnox6
Merge, resolving NEWS conflict.

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1
# Copyright (C) 2005, 2007, 2008 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 push."""
 
19
 
 
20
import os
 
21
import re
 
22
 
 
23
from bzrlib import (
 
24
    errors,
 
25
    transport,
 
26
    urlutils,
 
27
    )
 
28
from bzrlib.branch import Branch
 
29
from bzrlib.bzrdir import BzrDirMetaFormat1
 
30
from bzrlib.osutils import abspath
 
31
from bzrlib.repofmt.knitrepo import RepositoryFormatKnit1
 
32
from bzrlib.smart import client, server
 
33
from bzrlib.tests.blackbox import ExternalBase
 
34
from bzrlib.tests.http_server import HttpServer
 
35
from bzrlib.transport.memory import MemoryServer, MemoryTransport
 
36
from bzrlib.uncommit import uncommit
 
37
from bzrlib.urlutils import local_path_from_url
 
38
from bzrlib.workingtree import WorkingTree
 
39
 
 
40
 
 
41
class TestPush(ExternalBase):
 
42
 
 
43
    def test_push_error_on_vfs_http(self):
 
44
        """ pushing a branch to a HTTP server fails cleanly. """
 
45
        # the trunk is published on a web server
 
46
        self.transport_readonly_server = HttpServer
 
47
        self.make_branch('source')
 
48
        public_url = self.get_readonly_url('target')
 
49
        self.run_bzr_error(['http does not support mkdir'],
 
50
                           ['push', public_url],
 
51
                           working_dir='source')
 
52
 
 
53
    def test_push_remember(self):
 
54
        """Push changes from one branch to another and test push location."""
 
55
        transport = self.get_transport()
 
56
        tree_a = self.make_branch_and_tree('branch_a')
 
57
        branch_a = tree_a.branch
 
58
        self.build_tree(['branch_a/a'])
 
59
        tree_a.add('a')
 
60
        tree_a.commit('commit a')
 
61
        tree_b = branch_a.bzrdir.sprout('branch_b').open_workingtree()
 
62
        branch_b = tree_b.branch
 
63
        tree_c = branch_a.bzrdir.sprout('branch_c').open_workingtree()
 
64
        branch_c = tree_c.branch
 
65
        self.build_tree(['branch_a/b'])
 
66
        tree_a.add('b')
 
67
        tree_a.commit('commit b')
 
68
        self.build_tree(['branch_b/c'])
 
69
        tree_b.add('c')
 
70
        tree_b.commit('commit c')
 
71
        # initial push location must be empty
 
72
        self.assertEqual(None, branch_b.get_push_location())
 
73
 
 
74
        # test push for failure without push location set
 
75
        os.chdir('branch_a')
 
76
        out = self.run_bzr('push', retcode=3)
 
77
        self.assertEquals(out,
 
78
                ('','bzr: ERROR: No push location known or specified.\n'))
 
79
 
 
80
        # test not remembered if cannot actually push
 
81
        self.run_bzr('push ../path/which/doesnt/exist', retcode=3)
 
82
        out = self.run_bzr('push', retcode=3)
 
83
        self.assertEquals(
 
84
                ('', 'bzr: ERROR: No push location known or specified.\n'),
 
85
                out)
 
86
 
 
87
        # test implicit --remember when no push location set, push fails
 
88
        out = self.run_bzr('push ../branch_b', retcode=3)
 
89
        self.assertEquals(out,
 
90
                ('','bzr: ERROR: These branches have diverged.  '
 
91
                    'Try using "merge" and then "push".\n'))
 
92
        self.assertEquals(abspath(branch_a.get_push_location()),
 
93
                          abspath(branch_b.bzrdir.root_transport.base))
 
94
 
 
95
        # test implicit --remember after resolving previous failure
 
96
        uncommit(branch=branch_b, tree=tree_b)
 
97
        transport.delete('branch_b/c')
 
98
        out, err = self.run_bzr('push')
 
99
        path = branch_a.get_push_location()
 
100
        self.assertEquals(out,
 
101
                          'Using saved push location: %s\n'
 
102
                          % local_path_from_url(path))
 
103
        self.assertEqual(err,
 
104
                         'All changes applied successfully.\n'
 
105
                         'Pushed up to revision 2.\n')
 
106
        self.assertEqual(path,
 
107
                         branch_b.bzrdir.root_transport.base)
 
108
        # test explicit --remember
 
109
        self.run_bzr('push ../branch_c --remember')
 
110
        self.assertEquals(branch_a.get_push_location(),
 
111
                          branch_c.bzrdir.root_transport.base)
 
112
 
 
113
    def test_push_without_tree(self):
 
114
        # bzr push from a branch that does not have a checkout should work.
 
115
        b = self.make_branch('.')
 
116
        out, err = self.run_bzr('push pushed-location')
 
117
        self.assertEqual('', out)
 
118
        self.assertEqual('Created new branch.\n', err)
 
119
        b2 = Branch.open('pushed-location')
 
120
        self.assertEndsWith(b2.base, 'pushed-location/')
 
121
 
 
122
    def test_push_new_branch_revision_count(self):
 
123
        # bzr push of a branch with revisions to a new location
 
124
        # should print the number of revisions equal to the length of the
 
125
        # local branch.
 
126
        t = self.make_branch_and_tree('tree')
 
127
        self.build_tree(['tree/file'])
 
128
        t.add('file')
 
129
        t.commit('commit 1')
 
130
        os.chdir('tree')
 
131
        out, err = self.run_bzr('push pushed-to')
 
132
        os.chdir('..')
 
133
        self.assertEqual('', out)
 
134
        self.assertEqual('Created new branch.\n', err)
 
135
 
 
136
    def test_push_only_pushes_history(self):
 
137
        # Knit branches should only push the history for the current revision.
 
138
        format = BzrDirMetaFormat1()
 
139
        format.repository_format = RepositoryFormatKnit1()
 
140
        shared_repo = self.make_repository('repo', format=format, shared=True)
 
141
        shared_repo.set_make_working_trees(True)
 
142
 
 
143
        def make_shared_tree(path):
 
144
            shared_repo.bzrdir.root_transport.mkdir(path)
 
145
            shared_repo.bzrdir.create_branch_convenience('repo/' + path)
 
146
            return WorkingTree.open('repo/' + path)
 
147
        tree_a = make_shared_tree('a')
 
148
        self.build_tree(['repo/a/file'])
 
149
        tree_a.add('file')
 
150
        tree_a.commit('commit a-1', rev_id='a-1')
 
151
        f = open('repo/a/file', 'ab')
 
152
        f.write('more stuff\n')
 
153
        f.close()
 
154
        tree_a.commit('commit a-2', rev_id='a-2')
 
155
 
 
156
        tree_b = make_shared_tree('b')
 
157
        self.build_tree(['repo/b/file'])
 
158
        tree_b.add('file')
 
159
        tree_b.commit('commit b-1', rev_id='b-1')
 
160
 
 
161
        self.assertTrue(shared_repo.has_revision('a-1'))
 
162
        self.assertTrue(shared_repo.has_revision('a-2'))
 
163
        self.assertTrue(shared_repo.has_revision('b-1'))
 
164
 
 
165
        # Now that we have a repository with shared files, make sure
 
166
        # that things aren't copied out by a 'push'
 
167
        os.chdir('repo/b')
 
168
        self.run_bzr('push ../../push-b')
 
169
        pushed_tree = WorkingTree.open('../../push-b')
 
170
        pushed_repo = pushed_tree.branch.repository
 
171
        self.assertFalse(pushed_repo.has_revision('a-1'))
 
172
        self.assertFalse(pushed_repo.has_revision('a-2'))
 
173
        self.assertTrue(pushed_repo.has_revision('b-1'))
 
174
 
 
175
    def test_push_funky_id(self):
 
176
        t = self.make_branch_and_tree('tree')
 
177
        os.chdir('tree')
 
178
        self.build_tree(['filename'])
 
179
        t.add('filename', 'funky-chars<>%&;"\'')
 
180
        t.commit('commit filename')
 
181
        self.run_bzr('push ../new-tree')
 
182
 
 
183
    def test_push_dash_d(self):
 
184
        t = self.make_branch_and_tree('from')
 
185
        t.commit(allow_pointless=True,
 
186
                message='first commit')
 
187
        self.run_bzr('push -d from to-one')
 
188
        self.failUnlessExists('to-one')
 
189
        self.run_bzr('push -d %s %s'
 
190
            % tuple(map(urlutils.local_path_to_url, ['from', 'to-two'])))
 
191
        self.failUnlessExists('to-two')
 
192
 
 
193
    def test_push_smart_non_stacked_streaming_acceptance(self):
 
194
        self.setup_smart_server_with_call_log()
 
195
        t = self.make_branch_and_tree('from')
 
196
        t.commit(allow_pointless=True, message='first commit')
 
197
        self.reset_smart_call_log()
 
198
        self.run_bzr(['push', self.get_url('to-one')], working_dir='from')
 
199
        # This figure represent the amount of work to perform this use case. It
 
200
        # is entirely ok to reduce this number if a test fails due to rpc_count
 
201
        # being too low. If rpc_count increases, more network roundtrips have
 
202
        # become necessary for this use case. Please do not adjust this number
 
203
        # upwards without agreement from bzr's network support maintainers.
 
204
        self.assertLength(9, self.hpss_calls)
 
205
 
 
206
    def test_push_smart_stacked_streaming_acceptance(self):
 
207
        self.setup_smart_server_with_call_log()
 
208
        parent = self.make_branch_and_tree('parent', format='1.9')
 
209
        parent.commit(message='first commit')
 
210
        local = parent.bzrdir.sprout('local').open_workingtree()
 
211
        local.commit(message='local commit')
 
212
        self.reset_smart_call_log()
 
213
        self.run_bzr(['push', '--stacked', '--stacked-on', '../parent',
 
214
            self.get_url('public')], working_dir='local')
 
215
        # This figure represent the amount of work to perform this use case. It
 
216
        # is entirely ok to reduce this number if a test fails due to rpc_count
 
217
        # being too low. If rpc_count increases, more network roundtrips have
 
218
        # become necessary for this use case. Please do not adjust this number
 
219
        # upwards without agreement from bzr's network support maintainers.
 
220
        self.assertLength(14, self.hpss_calls)
 
221
        remote = Branch.open('public')
 
222
        self.assertEndsWith(remote.get_stacked_on_url(), '/parent')
 
223
 
 
224
    def create_simple_tree(self):
 
225
        tree = self.make_branch_and_tree('tree')
 
226
        self.build_tree(['tree/a'])
 
227
        tree.add(['a'], ['a-id'])
 
228
        tree.commit('one', rev_id='r1')
 
229
        return tree
 
230
 
 
231
    def test_push_create_prefix(self):
 
232
        """'bzr push --create-prefix' will create leading directories."""
 
233
        tree = self.create_simple_tree()
 
234
 
 
235
        self.run_bzr_error(['Parent directory of ../new/tree does not exist'],
 
236
                           'push ../new/tree',
 
237
                           working_dir='tree')
 
238
        self.run_bzr('push ../new/tree --create-prefix',
 
239
                     working_dir='tree')
 
240
        new_tree = WorkingTree.open('new/tree')
 
241
        self.assertEqual(tree.last_revision(), new_tree.last_revision())
 
242
        self.failUnlessExists('new/tree/a')
 
243
 
 
244
    def test_push_use_existing(self):
 
245
        """'bzr push --use-existing-dir' can push into an existing dir.
 
246
 
 
247
        By default, 'bzr push' will not use an existing, non-versioned dir.
 
248
        """
 
249
        tree = self.create_simple_tree()
 
250
        self.build_tree(['target/'])
 
251
 
 
252
        self.run_bzr_error(['Target directory ../target already exists',
 
253
                            'Supply --use-existing-dir',
 
254
                           ],
 
255
                           'push ../target', working_dir='tree')
 
256
 
 
257
        self.run_bzr('push --use-existing-dir ../target',
 
258
                     working_dir='tree')
 
259
 
 
260
        new_tree = WorkingTree.open('target')
 
261
        self.assertEqual(tree.last_revision(), new_tree.last_revision())
 
262
        # The push should have created target/a
 
263
        self.failUnlessExists('target/a')
 
264
 
 
265
    def test_push_onto_repo(self):
 
266
        """We should be able to 'bzr push' into an existing bzrdir."""
 
267
        tree = self.create_simple_tree()
 
268
        repo = self.make_repository('repo', shared=True)
 
269
 
 
270
        self.run_bzr('push ../repo',
 
271
                     working_dir='tree')
 
272
 
 
273
        # Pushing onto an existing bzrdir will create a repository and
 
274
        # branch as needed, but will only create a working tree if there was
 
275
        # no BzrDir before.
 
276
        self.assertRaises(errors.NoWorkingTree, WorkingTree.open, 'repo')
 
277
        new_branch = Branch.open('repo')
 
278
        self.assertEqual(tree.last_revision(), new_branch.last_revision())
 
279
 
 
280
    def test_push_onto_just_bzrdir(self):
 
281
        """We don't handle when the target is just a bzrdir.
 
282
 
 
283
        Because you shouldn't be able to create *just* a bzrdir in the wild.
 
284
        """
 
285
        # TODO: jam 20070109 Maybe it would be better to create the repository
 
286
        #       if at this point
 
287
        tree = self.create_simple_tree()
 
288
        a_bzrdir = self.make_bzrdir('dir')
 
289
 
 
290
        self.run_bzr_error(['At ../dir you have a valid .bzr control'],
 
291
                'push ../dir',
 
292
                working_dir='tree')
 
293
 
 
294
    def test_push_with_revisionspec(self):
 
295
        """We should be able to push a revision older than the tip."""
 
296
        tree_from = self.make_branch_and_tree('from')
 
297
        tree_from.commit("One.", rev_id="from-1")
 
298
        tree_from.commit("Two.", rev_id="from-2")
 
299
 
 
300
        self.run_bzr('push -r1 ../to', working_dir='from')
 
301
 
 
302
        tree_to = WorkingTree.open('to')
 
303
        repo_to = tree_to.branch.repository
 
304
        self.assertTrue(repo_to.has_revision('from-1'))
 
305
        self.assertFalse(repo_to.has_revision('from-2'))
 
306
        self.assertEqual(tree_to.branch.last_revision_info()[1], 'from-1')
 
307
 
 
308
        self.run_bzr_error(
 
309
            ['bzr: ERROR: bzr push --revision '
 
310
             'takes exactly one revision identifier\n'],
 
311
            'push -r0..2 ../to', working_dir='from')
 
312
 
 
313
    def create_trunk_and_feature_branch(self):
 
314
        # We have a mainline
 
315
        trunk_tree = self.make_branch_and_tree('target',
 
316
            format='1.9')
 
317
        trunk_tree.commit('mainline')
 
318
        # and a branch from it
 
319
        branch_tree = self.make_branch_and_tree('branch',
 
320
            format='1.9')
 
321
        branch_tree.pull(trunk_tree.branch)
 
322
        branch_tree.branch.set_parent(trunk_tree.branch.base)
 
323
        # with some work on it
 
324
        branch_tree.commit('moar work plz')
 
325
        return trunk_tree, branch_tree
 
326
 
 
327
    def assertPublished(self, branch_revid, stacked_on):
 
328
        """Assert that the branch 'published' has been published correctly."""
 
329
        published_branch = Branch.open('published')
 
330
        # The published branch refers to the mainline
 
331
        self.assertEqual(stacked_on, published_branch.get_stacked_on_url())
 
332
        # and the branch's work was pushed
 
333
        self.assertTrue(published_branch.repository.has_revision(branch_revid))
 
334
 
 
335
    def test_push_new_branch_stacked_on(self):
 
336
        """Pushing a new branch with --stacked-on creates a stacked branch."""
 
337
        trunk_tree, branch_tree = self.create_trunk_and_feature_branch()
 
338
        # we publish branch_tree with a reference to the mainline.
 
339
        out, err = self.run_bzr(['push', '--stacked-on', trunk_tree.branch.base,
 
340
            self.get_url('published')], working_dir='branch')
 
341
        self.assertEqual('', out)
 
342
        self.assertEqual('Created new stacked branch referring to %s.\n' %
 
343
            trunk_tree.branch.base, err)
 
344
        self.assertPublished(branch_tree.last_revision(),
 
345
            trunk_tree.branch.base)
 
346
 
 
347
    def test_push_new_branch_stacked_uses_parent_when_no_public_url(self):
 
348
        """When the parent has no public url the parent is used as-is."""
 
349
        trunk_tree, branch_tree = self.create_trunk_and_feature_branch()
 
350
        # now we do a stacked push, which should determine the public location
 
351
        # for us.
 
352
        out, err = self.run_bzr(['push', '--stacked',
 
353
            self.get_url('published')], working_dir='branch')
 
354
        self.assertEqual('', out)
 
355
        self.assertEqual('Created new stacked branch referring to %s.\n' %
 
356
            trunk_tree.branch.base, err)
 
357
        self.assertPublished(branch_tree.last_revision(), trunk_tree.branch.base)
 
358
 
 
359
    def test_push_new_branch_stacked_uses_parent_public(self):
 
360
        """Pushing a new branch with --stacked creates a stacked branch."""
 
361
        trunk_tree, branch_tree = self.create_trunk_and_feature_branch()
 
362
        # the trunk is published on a web server
 
363
        self.transport_readonly_server = HttpServer
 
364
        trunk_public = self.make_branch('public_trunk', format='1.9')
 
365
        trunk_public.pull(trunk_tree.branch)
 
366
        trunk_public_url = self.get_readonly_url('public_trunk')
 
367
        trunk_tree.branch.set_public_branch(trunk_public_url)
 
368
        # now we do a stacked push, which should determine the public location
 
369
        # for us.
 
370
        out, err = self.run_bzr(['push', '--stacked',
 
371
            self.get_url('published')], working_dir='branch')
 
372
        self.assertEqual('', out)
 
373
        self.assertEqual('Created new stacked branch referring to %s.\n' %
 
374
            trunk_public_url, err)
 
375
        self.assertPublished(branch_tree.last_revision(), trunk_public_url)
 
376
 
 
377
    def test_push_new_branch_stacked_no_parent(self):
 
378
        """Pushing with --stacked and no parent branch errors."""
 
379
        branch = self.make_branch_and_tree('branch', format='1.9')
 
380
        # now we do a stacked push, which should fail as the place to refer too
 
381
        # cannot be determined.
 
382
        out, err = self.run_bzr_error(
 
383
            ['Could not determine branch to refer to\\.'], ['push', '--stacked',
 
384
            self.get_url('published')], working_dir='branch')
 
385
        self.assertEqual('', out)
 
386
        self.assertFalse(self.get_transport('published').has('.'))
 
387
 
 
388
    def test_push_notifies_default_stacking(self):
 
389
        self.make_branch('stack_on', format='1.6')
 
390
        self.make_bzrdir('.').get_config().set_default_stack_on('stack_on')
 
391
        self.make_branch('from', format='1.6')
 
392
        out, err = self.run_bzr('push -d from to')
 
393
        self.assertContainsRe(err,
 
394
                              'Using default stacking branch stack_on at .*')
 
395
 
 
396
    def test_push_stacks_with_default_stacking_if_target_is_stackable(self):
 
397
        self.make_branch('stack_on', format='1.6')
 
398
        self.make_bzrdir('.').get_config().set_default_stack_on('stack_on')
 
399
        self.make_branch('from', format='pack-0.92')
 
400
        out, err = self.run_bzr('push -d from to')
 
401
        branch = Branch.open('to')
 
402
        self.assertEqual('../stack_on', branch.get_stacked_on_url())
 
403
 
 
404
    def test_push_does_not_change_format_with_default_if_target_cannot(self):
 
405
        self.make_branch('stack_on', format='pack-0.92')
 
406
        self.make_bzrdir('.').get_config().set_default_stack_on('stack_on')
 
407
        self.make_branch('from', format='pack-0.92')
 
408
        out, err = self.run_bzr('push -d from to')
 
409
        branch = Branch.open('to')
 
410
        self.assertRaises(errors.UnstackableBranchFormat,
 
411
            branch.get_stacked_on_url)
 
412
 
 
413
    def test_push_doesnt_create_broken_branch(self):
 
414
        """Pushing a new standalone branch works even when there's a default
 
415
        stacking policy at the destination.
 
416
 
 
417
        The new branch will preserve the repo format (even if it isn't the
 
418
        default for the branch), and will be stacked when the repo format
 
419
        allows (which means that the branch format isn't necessarly preserved).
 
420
        """
 
421
        self.make_repository('repo', shared=True, format='1.6')
 
422
        builder = self.make_branch_builder('repo/local', format='pack-0.92')
 
423
        builder.start_series()
 
424
        builder.build_snapshot('rev-1', None, [
 
425
            ('add', ('', 'root-id', 'directory', '')),
 
426
            ('add', ('filename', 'f-id', 'file', 'content\n'))])
 
427
        builder.build_snapshot('rev-2', ['rev-1'], [])
 
428
        builder.build_snapshot('rev-3', ['rev-2'],
 
429
            [('modify', ('f-id', 'new-content\n'))])
 
430
        builder.finish_series()
 
431
        branch = builder.get_branch()
 
432
        # Push rev-1 to "trunk", so that we can stack on it.
 
433
        self.run_bzr('push -d repo/local trunk -r 1')
 
434
        # Set a default stacking policy so that new branches will automatically
 
435
        # stack on trunk.
 
436
        self.make_bzrdir('.').get_config().set_default_stack_on('trunk')
 
437
        # Push rev-2 to a new branch "remote".  It will be stacked on "trunk".
 
438
        out, err = self.run_bzr('push -d repo/local remote -r 2')
 
439
        self.assertContainsRe(
 
440
            err, 'Using default stacking branch trunk at .*')
 
441
        # Push rev-3 onto "remote".  If "remote" not stacked and is missing the
 
442
        # fulltext record for f-id @ rev-1, then this will fail.
 
443
        out, err = self.run_bzr('push -d repo/local remote -r 3')
 
444
 
 
445
    def test_push_verbose_shows_log(self):
 
446
        tree = self.make_branch_and_tree('source')
 
447
        tree.commit('rev1')
 
448
        out, err = self.run_bzr('push -v -d source target')
 
449
        # initial push contains log
 
450
        self.assertContainsRe(out, 'rev1')
 
451
        tree.commit('rev2')
 
452
        out, err = self.run_bzr('push -v -d source target')
 
453
        # subsequent push contains log
 
454
        self.assertContainsRe(out, 'rev2')
 
455
        # subsequent log is accurate
 
456
        self.assertNotContainsRe(out, 'rev1')
 
457
 
 
458
 
 
459
class RedirectingMemoryTransport(MemoryTransport):
 
460
 
 
461
    def mkdir(self, relpath, mode=None):
 
462
        from bzrlib.trace import mutter
 
463
        mutter('cwd: %r, rel: %r, abs: %r' % (self._cwd, relpath, abspath))
 
464
        if self._cwd == '/source/':
 
465
            raise errors.RedirectRequested(self.abspath(relpath),
 
466
                                           self.abspath('../target'),
 
467
                                           is_permanent=True)
 
468
        elif self._cwd == '/infinite-loop/':
 
469
            raise errors.RedirectRequested(self.abspath(relpath),
 
470
                                           self.abspath('../infinite-loop'),
 
471
                                           is_permanent=True)
 
472
        else:
 
473
            return super(RedirectingMemoryTransport, self).mkdir(
 
474
                relpath, mode)
 
475
 
 
476
    def _redirected_to(self, source, target):
 
477
        # We do accept redirections
 
478
        return transport.get_transport(target)
 
479
 
 
480
 
 
481
class RedirectingMemoryServer(MemoryServer):
 
482
 
 
483
    def setUp(self):
 
484
        self._dirs = {'/': None}
 
485
        self._files = {}
 
486
        self._locks = {}
 
487
        self._scheme = 'redirecting-memory+%s:///' % id(self)
 
488
        transport.register_transport(self._scheme, self._memory_factory)
 
489
 
 
490
    def _memory_factory(self, url):
 
491
        result = RedirectingMemoryTransport(url)
 
492
        result._dirs = self._dirs
 
493
        result._files = self._files
 
494
        result._locks = self._locks
 
495
        return result
 
496
 
 
497
    def tearDown(self):
 
498
        transport.unregister_transport(self._scheme, self._memory_factory)
 
499
 
 
500
 
 
501
class TestPushRedirect(ExternalBase):
 
502
 
 
503
    def setUp(self):
 
504
        ExternalBase.setUp(self)
 
505
        self.memory_server = RedirectingMemoryServer()
 
506
        self.memory_server.setUp()
 
507
        self.addCleanup(self.memory_server.tearDown)
 
508
 
 
509
        # Make the branch and tree that we'll be pushing.
 
510
        t = self.make_branch_and_tree('tree')
 
511
        self.build_tree(['tree/file'])
 
512
        t.add('file')
 
513
        t.commit('commit 1')
 
514
 
 
515
    def test_push_redirects_on_mkdir(self):
 
516
        """If the push requires a mkdir, push respects redirect requests.
 
517
 
 
518
        This is added primarily to handle lp:/ URI support, so that users can
 
519
        push to new branches by specifying lp:/ URIs.
 
520
        """
 
521
        destination_url = self.memory_server.get_url() + 'source'
 
522
        self.run_bzr(['push', '-d', 'tree', destination_url])
 
523
 
 
524
        local_revision = Branch.open('tree').last_revision()
 
525
        remote_revision = Branch.open(
 
526
            self.memory_server.get_url() + 'target').last_revision()
 
527
        self.assertEqual(remote_revision, local_revision)
 
528
 
 
529
    def test_push_gracefully_handles_too_many_redirects(self):
 
530
        """Push fails gracefully if the mkdir generates a large number of
 
531
        redirects.
 
532
        """
 
533
        destination_url = self.memory_server.get_url() + 'infinite-loop'
 
534
        out, err = self.run_bzr_error(
 
535
            ['Too many redirections trying to make %s\\.\n'
 
536
             % re.escape(destination_url)],
 
537
            ['push', '-d', 'tree', destination_url], retcode=3)
 
538
        self.assertEqual('', out)