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  • Committer: Martin Packman
  • Date: 2012-01-05 09:50:04 UTC
  • mfrom: (6424 +trunk)
  • mto: This revision was merged to the branch mainline in revision 6426.
  • Revision ID: martin.packman@canonical.com-20120105095004-mia9xb7y0efmto0v
Merge bzr.dev to resolve conflicts in bzrlib.builtins

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1
# Copyright (C) 2007-2010 Canonical Ltd
 
2
# -*- coding: utf-8 -*-
 
3
#
 
4
# This program is free software; you can redistribute it and/or modify
 
5
# it under the terms of the GNU General Public License as published by
 
6
# the Free Software Foundation; either version 2 of the License, or
 
7
# (at your option) any later version.
 
8
#
 
9
# This program is distributed in the hope that it will be useful,
 
10
# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
11
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
12
# GNU General Public License for more details.
 
13
#
 
14
# You should have received a copy of the GNU General Public License
 
15
# along with this program; if not, write to the Free Software
 
16
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
17
 
 
18
 
 
19
"""Tests for the switch command of bzr."""
 
20
 
 
21
import os
 
22
 
 
23
from bzrlib.bzrdir import BzrDir
 
24
from bzrlib import (
 
25
        osutils,
 
26
        urlutils,
 
27
        branch,
 
28
        )
 
29
from bzrlib.workingtree import WorkingTree
 
30
from bzrlib.tests import (
 
31
        TestCaseWithTransport,
 
32
        script,
 
33
        )
 
34
from bzrlib.tests.features import UnicodeFilenameFeature
 
35
from bzrlib.directory_service import directories
 
36
 
 
37
from bzrlib.tests.matchers import ContainsNoVfsCalls
 
38
 
 
39
 
 
40
class TestSwitch(TestCaseWithTransport):
 
41
 
 
42
    def _create_sample_tree(self):
 
43
        tree = self.make_branch_and_tree('branch-1')
 
44
        self.build_tree(['branch-1/file-1', 'branch-1/file-2'])
 
45
        tree.add('file-1')
 
46
        tree.commit('rev1')
 
47
        tree.add('file-2')
 
48
        tree.commit('rev2')
 
49
        return tree
 
50
 
 
51
    def test_switch_up_to_date_light_checkout(self):
 
52
        self.make_branch_and_tree('branch')
 
53
        self.run_bzr('branch branch branch2')
 
54
        self.run_bzr('checkout --lightweight branch checkout')
 
55
        os.chdir('checkout')
 
56
        out, err = self.run_bzr('switch ../branch2')
 
57
        self.assertContainsRe(err, 'Tree is up to date at revision 0.\n')
 
58
        self.assertContainsRe(err, 'Switched to branch: .*/branch2.\n')
 
59
        self.assertEqual('', out)
 
60
 
 
61
    def test_switch_out_of_date_light_checkout(self):
 
62
        self.make_branch_and_tree('branch')
 
63
        self.run_bzr('branch branch branch2')
 
64
        self.build_tree(['branch2/file'])
 
65
        self.run_bzr('add branch2/file')
 
66
        self.run_bzr('commit -m add-file branch2')
 
67
        self.run_bzr('checkout --lightweight branch checkout')
 
68
        os.chdir('checkout')
 
69
        out, err = self.run_bzr('switch ../branch2')
 
70
        #self.assertContainsRe(err, '\+N  file')
 
71
        self.assertContainsRe(err, 'Updated to revision 1.\n')
 
72
        self.assertContainsRe(err, 'Switched to branch: .*/branch2.\n')
 
73
        self.assertEqual('', out)
 
74
 
 
75
    def _test_switch_nick(self, lightweight):
 
76
        """Check that the nick gets switched too."""
 
77
        tree1 = self.make_branch_and_tree('branch1')
 
78
        tree2 = self.make_branch_and_tree('branch2')
 
79
        tree2.pull(tree1.branch)
 
80
        checkout =  tree1.branch.create_checkout('checkout',
 
81
            lightweight=lightweight)
 
82
        self.assertEqual(checkout.branch.nick, tree1.branch.nick)
 
83
        self.assertEqual(checkout.branch.get_config().has_explicit_nickname(),
 
84
            False)
 
85
        self.run_bzr('switch branch2', working_dir='checkout')
 
86
 
 
87
        # we need to get the tree again, otherwise we don't get the new branch
 
88
        checkout = WorkingTree.open('checkout')
 
89
        self.assertEqual(checkout.branch.nick, tree2.branch.nick)
 
90
        self.assertEqual(checkout.branch.get_config().has_explicit_nickname(),
 
91
            False)
 
92
 
 
93
    def test_switch_nick(self):
 
94
        self._test_switch_nick(lightweight=False)
 
95
 
 
96
    def test_switch_nick_lightweight(self):
 
97
        self._test_switch_nick(lightweight=True)
 
98
 
 
99
    def _test_switch_explicit_nick(self, lightweight):
 
100
        """Check that the nick gets switched too."""
 
101
        tree1 = self.make_branch_and_tree('branch1')
 
102
        tree2 = self.make_branch_and_tree('branch2')
 
103
        tree2.pull(tree1.branch)
 
104
        checkout =  tree1.branch.create_checkout('checkout',
 
105
            lightweight=lightweight)
 
106
        self.assertEqual(checkout.branch.nick, tree1.branch.nick)
 
107
        checkout.branch.nick = "explicit_nick"
 
108
        self.assertEqual(checkout.branch.nick, "explicit_nick")
 
109
        self.assertEqual(checkout.branch.get_config()._get_explicit_nickname(),
 
110
            "explicit_nick")
 
111
        self.run_bzr('switch branch2', working_dir='checkout')
 
112
 
 
113
        # we need to get the tree again, otherwise we don't get the new branch
 
114
        checkout = WorkingTree.open('checkout')
 
115
        self.assertEqual(checkout.branch.nick, tree2.branch.nick)
 
116
        self.assertEqual(checkout.branch.get_config()._get_explicit_nickname(),
 
117
            tree2.branch.nick)
 
118
 
 
119
    def test_switch_explicit_nick(self):
 
120
        self._test_switch_explicit_nick(lightweight=False)
 
121
 
 
122
    def test_switch_explicit_nick_lightweight(self):
 
123
        self._test_switch_explicit_nick(lightweight=True)
 
124
 
 
125
    def test_switch_finds_relative_branch(self):
 
126
        """Switch will find 'foo' relative to the branch the checkout is of."""
 
127
        self.build_tree(['repo/'])
 
128
        tree1 = self.make_branch_and_tree('repo/brancha')
 
129
        tree1.commit('foo')
 
130
        tree2 = self.make_branch_and_tree('repo/branchb')
 
131
        tree2.pull(tree1.branch)
 
132
        branchb_id = tree2.commit('bar')
 
133
        checkout =  tree1.branch.create_checkout('checkout', lightweight=True)
 
134
        self.run_bzr(['switch', 'branchb'], working_dir='checkout')
 
135
        self.assertEqual(branchb_id, checkout.last_revision())
 
136
        checkout = checkout.bzrdir.open_workingtree()
 
137
        self.assertEqual(tree2.branch.base, checkout.branch.base)
 
138
 
 
139
    def test_switch_finds_relative_bound_branch(self):
 
140
        """Using switch on a heavy checkout should find master sibling
 
141
 
 
142
        The behaviour of lighweight and heavy checkouts should be
 
143
        consistent when using the convenient "switch to sibling" feature
 
144
        Both should switch to a sibling of the branch
 
145
        they are bound to, and not a sibling of themself"""
 
146
 
 
147
        self.build_tree(['repo/',
 
148
                         'heavyco/'])
 
149
        tree1 = self.make_branch_and_tree('repo/brancha')
 
150
        tree1.commit('foo')
 
151
        tree2 = self.make_branch_and_tree('repo/branchb')
 
152
        tree2.pull(tree1.branch)
 
153
        branchb_id = tree2.commit('bar')
 
154
        checkout = tree1.branch.create_checkout('heavyco/a', lightweight=False)
 
155
        self.run_bzr(['switch', 'branchb'], working_dir='heavyco/a')
 
156
        self.assertEqual(branchb_id, checkout.last_revision())
 
157
        self.assertEqual(tree2.branch.base, checkout.branch.get_bound_location())
 
158
 
 
159
    def test_switch_finds_relative_unicode_branch(self):
 
160
        """Switch will find 'foo' relative to the branch the checkout is of."""
 
161
        self.requireFeature(UnicodeFilenameFeature)
 
162
        self.build_tree(['repo/'])
 
163
        tree1 = self.make_branch_and_tree('repo/brancha')
 
164
        tree1.commit('foo')
 
165
        tree2 = self.make_branch_and_tree(u'repo/branch\xe9')
 
166
        tree2.pull(tree1.branch)
 
167
        branchb_id = tree2.commit('bar')
 
168
        checkout =  tree1.branch.create_checkout('checkout', lightweight=True)
 
169
        self.run_bzr(['switch', u'branch\xe9'], working_dir='checkout')
 
170
        self.assertEqual(branchb_id, checkout.last_revision())
 
171
        checkout = checkout.bzrdir.open_workingtree()
 
172
        self.assertEqual(tree2.branch.base, checkout.branch.base)
 
173
 
 
174
    def test_switch_revision(self):
 
175
        tree = self._create_sample_tree()
 
176
        checkout = tree.branch.create_checkout('checkout', lightweight=True)
 
177
        self.run_bzr(['switch', 'branch-1', '-r1'], working_dir='checkout')
 
178
        self.assertPathExists('checkout/file-1')
 
179
        self.assertPathDoesNotExist('checkout/file-2')
 
180
 
 
181
    def test_switch_existing_colocated(self):
 
182
        # Create a branch branch-1 that initially is a checkout of 'foo'
 
183
        # Use switch to change it to 'anotherbranch'
 
184
        repo = self.make_repository('branch-1', format='development-colo')
 
185
        target_branch = repo.bzrdir.create_branch(name='foo')
 
186
        branch.BranchReferenceFormat().initialize(
 
187
            repo.bzrdir, target_branch=target_branch)
 
188
        tree = repo.bzrdir.create_workingtree()
 
189
        self.build_tree(['branch-1/file-1', 'branch-1/file-2'])
 
190
        tree.add('file-1')
 
191
        revid1 = tree.commit('rev1')
 
192
        tree.add('file-2')
 
193
        revid2 = tree.commit('rev2')
 
194
        otherbranch = tree.bzrdir.create_branch(name='anotherbranch')
 
195
        otherbranch.generate_revision_history(revid1)
 
196
        self.run_bzr(['switch', 'anotherbranch'], working_dir='branch-1')
 
197
        tree = WorkingTree.open("branch-1")
 
198
        self.assertEquals(tree.last_revision(), revid1)
 
199
        self.assertEquals(tree.branch.control_url, otherbranch.control_url)
 
200
 
 
201
    def test_switch_new_colocated(self):
 
202
        # Create a branch branch-1 that initially is a checkout of 'foo'
 
203
        # Use switch to create 'anotherbranch' which derives from that
 
204
        repo = self.make_repository('branch-1', format='development-colo')
 
205
        target_branch = repo.bzrdir.create_branch(name='foo')
 
206
        branch.BranchReferenceFormat().initialize(
 
207
            repo.bzrdir, target_branch=target_branch)
 
208
        tree = repo.bzrdir.create_workingtree()
 
209
        self.build_tree(['branch-1/file-1', 'branch-1/file-2'])
 
210
        tree.add('file-1')
 
211
        revid1 = tree.commit('rev1')
 
212
        self.run_bzr(['switch', '-b', 'anotherbranch'], working_dir='branch-1')
 
213
        bzrdir = BzrDir.open("branch-1")
 
214
        self.assertEquals(
 
215
            set([b.name for b in bzrdir.list_branches()]),
 
216
            set(["foo", "anotherbranch"]))
 
217
        self.assertEquals(bzrdir.open_branch().name, "anotherbranch")
 
218
        self.assertEquals(bzrdir.open_branch().last_revision(), revid1)
 
219
 
 
220
    def test_switch_new_colocated_unicode(self):
 
221
        # Create a branch branch-1 that initially is a checkout of 'foo'
 
222
        # Use switch to create 'branch\xe9' which derives from that
 
223
        self.requireFeature(UnicodeFilenameFeature)
 
224
        repo = self.make_repository('branch-1', format='development-colo')
 
225
        target_branch = repo.bzrdir.create_branch(name='foo')
 
226
        branch.BranchReferenceFormat().initialize(
 
227
            repo.bzrdir, target_branch=target_branch)
 
228
        tree = repo.bzrdir.create_workingtree()
 
229
        self.build_tree(['branch-1/file-1', 'branch-1/file-2'])
 
230
        tree.add('file-1')
 
231
        revid1 = tree.commit('rev1')
 
232
        self.run_bzr(['switch', '-b', u'branch\xe9'], working_dir='branch-1')
 
233
        bzrdir = BzrDir.open("branch-1")
 
234
        self.assertEquals(
 
235
            set([b.name for b in bzrdir.list_branches()]),
 
236
            set(["foo", u"branch\xe9"]))
 
237
        self.assertEquals(bzrdir.open_branch().name, u"branch\xe9")
 
238
        self.assertEquals(bzrdir.open_branch().last_revision(), revid1)
 
239
 
 
240
    def test_switch_only_revision(self):
 
241
        tree = self._create_sample_tree()
 
242
        checkout = tree.branch.create_checkout('checkout', lightweight=True)
 
243
        self.assertPathExists('checkout/file-1')
 
244
        self.assertPathExists('checkout/file-2')
 
245
        self.run_bzr(['switch', '-r1'], working_dir='checkout')
 
246
        self.assertPathExists('checkout/file-1')
 
247
        self.assertPathDoesNotExist('checkout/file-2')
 
248
        # Check that we don't accept a range
 
249
        self.run_bzr_error(
 
250
            ['bzr switch --revision takes exactly one revision identifier'],
 
251
            ['switch', '-r0..2'], working_dir='checkout')
 
252
 
 
253
    def prepare_lightweight_switch(self):
 
254
        branch = self.make_branch('branch')
 
255
        branch.create_checkout('tree', lightweight=True)
 
256
        osutils.rename('branch', 'branch1')
 
257
 
 
258
    def test_switch_lightweight_after_branch_moved(self):
 
259
        self.prepare_lightweight_switch()
 
260
        self.run_bzr('switch --force ../branch1', working_dir='tree')
 
261
        branch_location = WorkingTree.open('tree').branch.base
 
262
        self.assertEndsWith(branch_location, 'branch1/')
 
263
 
 
264
    def test_switch_lightweight_after_branch_moved_relative(self):
 
265
        self.prepare_lightweight_switch()
 
266
        self.run_bzr('switch --force branch1', working_dir='tree')
 
267
        branch_location = WorkingTree.open('tree').branch.base
 
268
        self.assertEndsWith(branch_location, 'branch1/')
 
269
 
 
270
    def test_create_branch_no_branch(self):
 
271
        self.prepare_lightweight_switch()
 
272
        self.run_bzr_error(['cannot create branch without source branch'],
 
273
            'switch --create-branch ../branch2', working_dir='tree')
 
274
 
 
275
    def test_create_branch(self):
 
276
        branch = self.make_branch('branch')
 
277
        tree = branch.create_checkout('tree', lightweight=True)
 
278
        tree.commit('one', rev_id='rev-1')
 
279
        self.run_bzr('switch --create-branch ../branch2', working_dir='tree')
 
280
        tree = WorkingTree.open('tree')
 
281
        self.assertEndsWith(tree.branch.base, '/branch2/')
 
282
 
 
283
    def test_create_branch_local(self):
 
284
        branch = self.make_branch('branch')
 
285
        tree = branch.create_checkout('tree', lightweight=True)
 
286
        tree.commit('one', rev_id='rev-1')
 
287
        self.run_bzr('switch --create-branch branch2', working_dir='tree')
 
288
        tree = WorkingTree.open('tree')
 
289
        # The new branch should have been created at the same level as
 
290
        # 'branch', because we did not have a '/' segment
 
291
        self.assertEqual(branch.base[:-1] + '2/', tree.branch.base)
 
292
 
 
293
    def test_create_branch_short_name(self):
 
294
        branch = self.make_branch('branch')
 
295
        tree = branch.create_checkout('tree', lightweight=True)
 
296
        tree.commit('one', rev_id='rev-1')
 
297
        self.run_bzr('switch -b branch2', working_dir='tree')
 
298
        tree = WorkingTree.open('tree')
 
299
        # The new branch should have been created at the same level as
 
300
        # 'branch', because we did not have a '/' segment
 
301
        self.assertEqual(branch.base[:-1] + '2/', tree.branch.base)
 
302
 
 
303
    def test_create_branch_directory_services(self):
 
304
        branch = self.make_branch('branch')
 
305
        tree = branch.create_checkout('tree', lightweight=True)
 
306
        class FooLookup(object):
 
307
            def look_up(self, name, url):
 
308
                return 'foo-'+name
 
309
        directories.register('foo:', FooLookup, 'Create branches named foo-')
 
310
        self.addCleanup(directories.remove, 'foo:')
 
311
        self.run_bzr('switch -b foo:branch2', working_dir='tree')
 
312
        tree = WorkingTree.open('tree')
 
313
        self.assertEndsWith(tree.branch.base, 'foo-branch2/')
 
314
 
 
315
    def test_switch_with_post_switch_hook(self):
 
316
        from bzrlib import branch as _mod_branch
 
317
        calls = []
 
318
        _mod_branch.Branch.hooks.install_named_hook('post_switch',
 
319
            calls.append, None)
 
320
        self.make_branch_and_tree('branch')
 
321
        self.run_bzr('branch branch branch2')
 
322
        self.run_bzr('checkout branch checkout')
 
323
        os.chdir('checkout')
 
324
        self.assertLength(0, calls)
 
325
        out, err = self.run_bzr('switch ../branch2')
 
326
        self.assertLength(1, calls)
 
327
 
 
328
    def test_switch_lightweight_co_with_post_switch_hook(self):
 
329
        from bzrlib import branch as _mod_branch
 
330
        calls = []
 
331
        _mod_branch.Branch.hooks.install_named_hook('post_switch',
 
332
            calls.append, None)
 
333
        self.make_branch_and_tree('branch')
 
334
        self.run_bzr('branch branch branch2')
 
335
        self.run_bzr('checkout --lightweight branch checkout')
 
336
        os.chdir('checkout')
 
337
        self.assertLength(0, calls)
 
338
        out, err = self.run_bzr('switch ../branch2')
 
339
        self.assertLength(1, calls)
 
340
 
 
341
    def test_switch_lightweight_directory(self):
 
342
        """Test --directory option"""
 
343
 
 
344
        # create a source branch
 
345
        a_tree = self.make_branch_and_tree('a')
 
346
        self.build_tree_contents([('a/a', 'initial\n')])
 
347
        a_tree.add('a')
 
348
        a_tree.commit(message='initial')
 
349
 
 
350
        # clone and add a differing revision
 
351
        b_tree = a_tree.bzrdir.sprout('b').open_workingtree()
 
352
        self.build_tree_contents([('b/a', 'initial\nmore\n')])
 
353
        b_tree.commit(message='more')
 
354
 
 
355
        self.run_bzr('checkout --lightweight a checkout')
 
356
        self.run_bzr('switch --directory checkout b')
 
357
        self.assertFileEqual('initial\nmore\n', 'checkout/a')
 
358
 
 
359
 
 
360
class TestSwitchParentLocationBase(TestCaseWithTransport):
 
361
 
 
362
    def setUp(self):
 
363
        """Set up a repository and branch ready for testing."""
 
364
        super(TestSwitchParentLocationBase, self).setUp()
 
365
        self.script_runner = script.ScriptRunner()
 
366
        self.script_runner.run_script(self, '''
 
367
                $ bzr init-repo --no-trees repo
 
368
                Shared repository...
 
369
                Location:
 
370
                  shared repository: repo
 
371
                $ bzr init repo/trunk
 
372
                Created a repository branch...
 
373
                Using shared repository: ...
 
374
                ''')
 
375
 
 
376
    def assertParent(self, expected_parent, branch):
 
377
        """Verify that the parent is not None and is set correctly."""
 
378
        actual_parent = branch.get_parent()
 
379
        self.assertIsSameRealPath(urlutils.local_path_to_url(expected_parent),
 
380
                                  branch.get_parent())
 
381
 
 
382
 
 
383
class TestSwitchParentLocation(TestSwitchParentLocationBase):
 
384
 
 
385
    def _checkout_and_switch(self, option=''):
 
386
        self.script_runner.run_script(self, '''
 
387
                $ bzr checkout %(option)s repo/trunk checkout
 
388
                $ cd checkout
 
389
                $ bzr switch --create-branch switched
 
390
                2>Tree is up to date at revision 0.
 
391
                2>Switched to branch:...switched...
 
392
                $ cd ..
 
393
                ''' % locals())
 
394
        bound_branch = branch.Branch.open_containing('checkout')[0]
 
395
        master_branch = branch.Branch.open_containing('repo/switched')[0]
 
396
        return (bound_branch, master_branch)
 
397
 
 
398
    def test_switch_parent_lightweight(self):
 
399
        """Lightweight checkout using bzr switch."""
 
400
        bb, mb = self._checkout_and_switch(option='--lightweight')
 
401
        self.assertParent('repo/trunk', bb)
 
402
        self.assertParent('repo/trunk', mb)
 
403
 
 
404
    def test_switch_parent_heavyweight(self):
 
405
        """Heavyweight checkout using bzr switch."""
 
406
        bb, mb = self._checkout_and_switch()
 
407
        self.assertParent('repo/trunk', bb)
 
408
        self.assertParent('repo/trunk', mb)
 
409
 
 
410
 
 
411
class TestSwitchDoesntOpenMasterBranch(TestCaseWithTransport):
 
412
    # See https://bugs.launchpad.net/bzr/+bug/812285
 
413
    # "bzr switch --create-branch" can point the new branch's parent to the
 
414
    # master branch, but it doesn't have to open it to do so.
 
415
 
 
416
    def test_switch_create_doesnt_open_master_branch(self):
 
417
        master = self.make_branch_and_tree('master')
 
418
        master.commit('one')
 
419
        # Note: not a lightweight checkout
 
420
        checkout = master.branch.create_checkout('checkout')
 
421
        opened = []
 
422
        def open_hook(branch):
 
423
            # Just append the final directory of the branch
 
424
            name = branch.base.rstrip('/').rsplit('/', 1)[1]
 
425
            opened.append(name)
 
426
        branch.Branch.hooks.install_named_hook('open', open_hook,
 
427
                                               'open_hook_logger')
 
428
        self.run_bzr('switch --create-branch -d checkout feature')
 
429
        # We only open the master branch 1 time.
 
430
        # This test should be cleaner to write, but see bug:
 
431
        #  https://bugs.launchpad.net/bzr/+bug/812295
 
432
        self.assertEqual(1, opened.count('master'))
 
433
 
 
434
 
 
435
class TestSmartServerSwitch(TestCaseWithTransport):
 
436
 
 
437
    def test_switch_lightweight(self):
 
438
        self.setup_smart_server_with_call_log()
 
439
        t = self.make_branch_and_tree('from')
 
440
        for count in range(9):
 
441
            t.commit(message='commit %d' % count)
 
442
        out, err = self.run_bzr(['checkout', '--lightweight', self.get_url('from'),
 
443
            'target'])
 
444
        self.reset_smart_call_log()
 
445
        self.run_bzr(['switch', self.get_url('from')], working_dir='target')
 
446
        # This figure represent the amount of work to perform this use case. It
 
447
        # is entirely ok to reduce this number if a test fails due to rpc_count
 
448
        # being too low. If rpc_count increases, more network roundtrips have
 
449
        # become necessary for this use case. Please do not adjust this number
 
450
        # upwards without agreement from bzr's network support maintainers.
 
451
        self.assertLength(24, self.hpss_calls)
 
452
        self.assertLength(5, self.hpss_connections)
 
453
        self.assertThat(self.hpss_calls, ContainsNoVfsCalls)