1
# Copyright (C) 2005, 2006, 2008 Canonical Ltd
 
 
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.
 
 
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.
 
 
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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
 
18
"""Black-box tests for bzr branch."""
 
 
22
from bzrlib import (branch, bzrdir, errors, repository)
 
 
23
from bzrlib.repofmt.knitrepo import RepositoryFormatKnit1
 
 
24
from bzrlib.tests.blackbox import ExternalBase
 
 
25
from bzrlib.tests import HardlinkFeature
 
 
26
from bzrlib.tests.test_sftp_transport import TestCaseWithSFTPServer
 
 
27
from bzrlib.urlutils import local_path_to_url, strip_trailing_slash
 
 
28
from bzrlib.workingtree import WorkingTree
 
 
31
class TestBranch(ExternalBase):
 
 
33
    def example_branch(self, path='.'):
 
 
34
        tree = self.make_branch_and_tree(path)
 
 
35
        self.build_tree_contents([(path + '/hello', 'foo')])
 
 
37
        tree.commit(message='setup')
 
 
38
        self.build_tree_contents([(path + '/goodbye', 'baz')])
 
 
40
        tree.commit(message='setup')
 
 
42
    def test_branch(self):
 
 
43
        """Branch from one branch to another."""
 
 
44
        self.example_branch('a')
 
 
45
        self.run_bzr('branch a b')
 
 
46
        b = branch.Branch.open('b')
 
 
47
        self.run_bzr('branch a c -r 1')
 
 
48
        # previously was erroneously created by branching
 
 
49
        self.assertFalse(b._transport.has('branch-name'))
 
 
50
        b.bzrdir.open_workingtree().commit(message='foo', allow_pointless=True)
 
 
52
    def test_branch_only_copies_history(self):
 
 
53
        # Knit branches should only push the history for the current revision.
 
 
54
        format = bzrdir.BzrDirMetaFormat1()
 
 
55
        format.repository_format = RepositoryFormatKnit1()
 
 
56
        shared_repo = self.make_repository('repo', format=format, shared=True)
 
 
57
        shared_repo.set_make_working_trees(True)
 
 
59
        def make_shared_tree(path):
 
 
60
            shared_repo.bzrdir.root_transport.mkdir(path)
 
 
61
            shared_repo.bzrdir.create_branch_convenience('repo/' + path)
 
 
62
            return WorkingTree.open('repo/' + path)
 
 
63
        tree_a = make_shared_tree('a')
 
 
64
        self.build_tree(['repo/a/file'])
 
 
66
        tree_a.commit('commit a-1', rev_id='a-1')
 
 
67
        f = open('repo/a/file', 'ab')
 
 
68
        f.write('more stuff\n')
 
 
70
        tree_a.commit('commit a-2', rev_id='a-2')
 
 
72
        tree_b = make_shared_tree('b')
 
 
73
        self.build_tree(['repo/b/file'])
 
 
75
        tree_b.commit('commit b-1', rev_id='b-1')
 
 
77
        self.assertTrue(shared_repo.has_revision('a-1'))
 
 
78
        self.assertTrue(shared_repo.has_revision('a-2'))
 
 
79
        self.assertTrue(shared_repo.has_revision('b-1'))
 
 
81
        # Now that we have a repository with shared files, make sure
 
 
82
        # that things aren't copied out by a 'branch'
 
 
83
        self.run_bzr('branch repo/b branch-b')
 
 
84
        pushed_tree = WorkingTree.open('branch-b')
 
 
85
        pushed_repo = pushed_tree.branch.repository
 
 
86
        self.assertFalse(pushed_repo.has_revision('a-1'))
 
 
87
        self.assertFalse(pushed_repo.has_revision('a-2'))
 
 
88
        self.assertTrue(pushed_repo.has_revision('b-1'))
 
 
90
    def test_branch_hardlink(self):
 
 
91
        self.requireFeature(HardlinkFeature)
 
 
92
        source = self.make_branch_and_tree('source')
 
 
93
        self.build_tree(['source/file1'])
 
 
95
        source.commit('added file')
 
 
96
        self.run_bzr(['branch', 'source', 'target', '--hardlink'])
 
 
97
        source_stat = os.stat('source/file1')
 
 
98
        target_stat = os.stat('target/file1')
 
 
99
        self.assertEqual(source_stat, target_stat)
 
 
101
    def test_branch_standalone(self):
 
 
102
        shared_repo = self.make_repository('repo', shared=True)
 
 
103
        self.example_branch('source')
 
 
104
        self.run_bzr('branch --standalone source repo/target')
 
 
105
        b = branch.Branch.open('repo/target')
 
 
106
        expected_repo_path = os.path.abspath('repo/target/.bzr/repository')
 
 
107
        self.assertEqual(strip_trailing_slash(b.repository.base),
 
 
108
            strip_trailing_slash(local_path_to_url(expected_repo_path)))
 
 
111
class TestBranchStacked(ExternalBase):
 
 
112
    """Tests for branch --stacked"""
 
 
114
    def check_shallow_branch(self, branch_revid, stacked_on):
 
 
115
        """Assert that the branch 'newbranch' has been published correctly.
 
 
117
        :param stacked_on: url of a branch this one is stacked upon.
 
 
118
        :param branch_revid: a revision id that should be the only
 
 
119
            revision present in the stacked branch, and it should not be in
 
 
120
            the reference branch.
 
 
122
        new_branch = branch.Branch.open('newbranch')
 
 
123
        # The branch refers to the mainline
 
 
124
        self.assertEqual(stacked_on, new_branch.get_stacked_on_url())
 
 
125
        # and the branch's work was pushed
 
 
126
        self.assertTrue(new_branch.repository.has_revision(branch_revid))
 
 
127
        # The newly committed revision shoud be present in the stacked branch,
 
 
128
        # but not in the stacked-on branch.  Because stacking is set up by the
 
 
129
        # branch object, if we open the stacked branch's repository directly,
 
 
130
        # bypassing the branch, we see only what's in the stacked repository.
 
 
131
        stacked_repo = bzrdir.BzrDir.open('newbranch').open_repository()
 
 
132
        stacked_repo_revisions = set(stacked_repo.all_revision_ids())
 
 
133
        if len(stacked_repo_revisions) != 1:
 
 
134
            self.fail("wrong revisions in stacked repository: %r"
 
 
135
                % (stacked_repo_revisions,))
 
 
137
    def assertRevisionInRepository(self, repo_path, revid):
 
 
138
        """Check that a revision is in a repository, disregarding stacking."""
 
 
139
        repo = bzrdir.BzrDir.open(repo_path).open_repository()
 
 
140
        self.assertTrue(repo.has_revision(revid))
 
 
142
    def assertRevisionNotInRepository(self, repo_path, revid):
 
 
143
        """Check that a revision is not in a repository, disregarding stacking."""
 
 
144
        repo = bzrdir.BzrDir.open(repo_path).open_repository()
 
 
145
        self.assertFalse(repo.has_revision(revid))
 
 
147
    def assertRevisionsInBranchRepository(self, revid_list, branch_path):
 
 
148
        repo = branch.Branch.open(branch_path).repository
 
 
149
        self.assertEqual(set(revid_list),
 
 
150
            repo.has_revisions(revid_list))
 
 
152
    def test_branch_stacked_branch_not_stacked(self):
 
 
153
        """Branching a stacked branch is not stacked by default"""
 
 
155
        trunk_tree = self.make_branch_and_tree('target',
 
 
156
            format='development')
 
 
157
        trunk_tree.commit('mainline')
 
 
158
        # and a branch from it which is stacked
 
 
159
        branch_tree = self.make_branch_and_tree('branch',
 
 
160
            format='development')
 
 
161
        branch_tree.branch.set_stacked_on_url(trunk_tree.branch.base)
 
 
162
        # with some work on it
 
 
163
        branch_tree.commit('moar work plz')
 
 
164
        # branching our local branch gives us a new stacked branch pointing at
 
 
166
        out, err = self.run_bzr(['branch', 'branch', 'newbranch'])
 
 
167
        self.assertEqual('', out)
 
 
168
        self.assertEqual('Branched 1 revision(s).\n',
 
 
170
        # it should have preserved the branch format, and so it should be
 
 
171
        # capable of supporting stacking, but not actually have a stacked_on
 
 
173
        self.assertRaises(errors.NotStacked,
 
 
174
            bzrdir.BzrDir.open('newbranch').open_branch().get_stacked_on_url)
 
 
176
    def test_branch_stacked_branch_stacked(self):
 
 
177
        """Asking to stack on a stacked branch does work"""
 
 
179
        trunk_tree = self.make_branch_and_tree('target',
 
 
180
            format='development')
 
 
181
        trunk_revid = trunk_tree.commit('mainline')
 
 
182
        # and a branch from it which is stacked
 
 
183
        branch_tree = self.make_branch_and_tree('branch',
 
 
184
            format='development')
 
 
185
        branch_tree.branch.set_stacked_on_url(trunk_tree.branch.base)
 
 
186
        # with some work on it
 
 
187
        branch_revid = branch_tree.commit('moar work plz')
 
 
188
        # you can chain branches on from there
 
 
189
        out, err = self.run_bzr(['branch', 'branch', '--stacked', 'branch2'])
 
 
190
        self.assertEqual('', out)
 
 
191
        self.assertEqual('Created new stacked branch referring to %s.\n' %
 
 
192
            branch_tree.branch.base, err)
 
 
193
        self.assertEqual(branch_tree.branch.base,
 
 
194
            branch.Branch.open('branch2').get_stacked_on_url())
 
 
195
        branch2_tree = WorkingTree.open('branch2')
 
 
196
        branch2_revid = branch2_tree.commit('work on second stacked branch')
 
 
197
        self.assertRevisionInRepository('branch2', branch2_revid)
 
 
198
        self.assertRevisionsInBranchRepository(
 
 
199
            [trunk_revid, branch_revid, branch2_revid],
 
 
202
    def test_branch_stacked(self):
 
 
204
        trunk_tree = self.make_branch_and_tree('mainline',
 
 
205
            format='development')
 
 
206
        original_revid = trunk_tree.commit('mainline')
 
 
207
        self.assertRevisionInRepository('mainline', original_revid)
 
 
208
        # and a branch from it which is stacked
 
 
209
        out, err = self.run_bzr(['branch', '--stacked', 'mainline',
 
 
211
        self.assertEqual('', out)
 
 
212
        self.assertEqual('Created new stacked branch referring to %s.\n' %
 
 
213
            trunk_tree.branch.base, err)
 
 
214
        self.assertRevisionNotInRepository('newbranch', original_revid)
 
 
215
        new_tree = WorkingTree.open('newbranch')
 
 
216
        new_revid = new_tree.commit('new work')
 
 
217
        self.check_shallow_branch(new_revid, trunk_tree.branch.base)
 
 
219
    def test_branch_stacked_from_smart_server(self):
 
 
220
        # We can branch stacking on a smart server
 
 
221
        from bzrlib.smart.server import SmartTCPServer_for_testing
 
 
222
        self.transport_server = SmartTCPServer_for_testing
 
 
223
        trunk = self.make_branch('mainline', format='development')
 
 
224
        out, err = self.run_bzr(
 
 
225
            ['branch', '--stacked', self.get_url('mainline'), 'shallow'])
 
 
227
    def test_branch_stacked_from_non_stacked_format(self):
 
 
228
        """The origin format doesn't support stacking"""
 
 
229
        trunk = self.make_branch('trunk', format='pack-0.92')
 
 
230
        out, err = self.run_bzr(
 
 
231
            ['branch', '--stacked', 'trunk', 'shallow'])
 
 
232
        # We should notify the user that we upgraded their format
 
 
233
        self.assertEqualDiff(
 
 
234
            'Source format does not support stacking, using format: \'1.6\'\n'
 
 
235
            '  Packs 5 (adds stacking support, requires bzr 1.6)\n'
 
 
237
            'Created new stacked branch referring to %s.\n' % (trunk.base,),
 
 
240
    def test_branch_stacked_from_rich_root_non_stackable(self):
 
 
241
        trunk = self.make_branch('trunk', format='rich-root-pack')
 
 
242
        out, err = self.run_bzr(
 
 
243
            ['branch', '--stacked', 'trunk', 'shallow'])
 
 
244
        # We should notify the user that we upgraded their format
 
 
245
        self.assertEqualDiff(
 
 
246
            'Source format does not support stacking, using format:'
 
 
247
            ' \'1.6.1-rich-root\'\n'
 
 
248
            '  Packs 5 rich-root (adds stacking support, requires bzr 1.6.1)\n'
 
 
250
            'Created new stacked branch referring to %s.\n' % (trunk.base,),
 
 
255
class TestRemoteBranch(TestCaseWithSFTPServer):
 
 
258
        super(TestRemoteBranch, self).setUp()
 
 
259
        tree = self.make_branch_and_tree('branch')
 
 
260
        self.build_tree_contents([('branch/file', 'file content\n')])
 
 
262
        tree.commit('file created')
 
 
264
    def test_branch_local_remote(self):
 
 
265
        self.run_bzr(['branch', 'branch', self.get_url('remote')])
 
 
266
        t = self.get_transport()
 
 
267
        # Ensure that no working tree what created remotely
 
 
268
        self.assertFalse(t.has('remote/file'))
 
 
270
    def test_branch_remote_remote(self):
 
 
271
        # Light cheat: we access the branch remotely
 
 
272
        self.run_bzr(['branch', self.get_url('branch'),
 
 
273
                      self.get_url('remote')])
 
 
274
        t = self.get_transport()
 
 
275
        # Ensure that no working tree what created remotely
 
 
276
        self.assertFalse(t.has('remote/file'))