← Back to branch summary

~bzr-pqm/bzr/bzr.dev

« back to all changes in this revision

Viewing changes to bzrlib/tests/test_commit_merge.py

  • Committer: Alexander Belchenko
  • Date: 2008-03-11 08:49:42 UTC
  • mto: This revision was merged to the branch mainline in revision 3268.
  • Revision ID: bialix@ukr.net-20080311084942-w1w0w3v0m20p2pbc
use sys.version_info

Show diffs side-by-side

added added

removed removed

Lines of Context:
bzrlib/tests/test_commit_merge.py
 
1
# Copyright (C) 2005, 2006 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
16
 
 
17
 
 
18
import os
 
19
import shutil
 
20
 
 
21
from bzrlib.tests import (
 
22
    SymlinkFeature,
 
23
    TestCaseWithTransport,
 
24
    )
 
25
from bzrlib.branch import Branch
 
26
from bzrlib.errors import PointlessCommit, BzrError
 
27
from bzrlib.tests.test_revision import make_branches
 
28
from bzrlib import osutils
 
29
 
 
30
 
 
31
class TestCommitMerge(TestCaseWithTransport):
 
32
    """Tests for committing the results of a merge.
 
33
 
 
34
    These don't currently test the merge code, which is intentional to
 
35
    reduce the scope of testing.  We just mark the revision as merged
 
36
    without bothering about the contents much."""
 
37
 
 
38
    def test_merge_commit_empty(self):
 
39
        """Simple commit of two-way merge of empty trees."""
 
40
        wtx = self.make_branch_and_tree('x')
 
41
        base_rev = wtx.commit('common parent')
 
42
        bx = wtx.branch
 
43
        wty = wtx.bzrdir.sprout('y').open_workingtree()
 
44
        by = wty.branch
 
45
        
 
46
        wtx.commit('commit one', rev_id='x@u-0-1', allow_pointless=True)
 
47
        wty.commit('commit two', rev_id='y@u-0-1', allow_pointless=True)
 
48
 
 
49
        self.assertEqual((1, []), by.fetch(bx))
 
50
        # just having the history there does nothing
 
51
        self.assertRaises(PointlessCommit,
 
52
                          wty.commit,
 
53
                          'no changes yet', rev_id='y@u-0-2',
 
54
                          allow_pointless=False)
 
55
        wty.merge_from_branch(bx)
 
56
        wty.commit('merge from x', rev_id='y@u-0-2', allow_pointless=False)
 
57
 
 
58
        self.assertEquals(by.revno(), 3)
 
59
        self.assertEquals(list(by.revision_history()),
 
60
                          [base_rev, 'y@u-0-1', 'y@u-0-2'])
 
61
        rev = by.repository.get_revision('y@u-0-2')
 
62
        self.assertEquals(rev.parent_ids,
 
63
                          ['y@u-0-1', 'x@u-0-1'])
 
64
 
 
65
    def test_merge_new_file(self):
 
66
        """Commit merge of two trees with no overlapping files."""
 
67
        wtx = self.make_branch_and_tree('x')
 
68
        base_rev = wtx.commit('common parent')
 
69
        bx = wtx.branch
 
70
        wtx.commit('establish root id')
 
71
        wty = wtx.bzrdir.sprout('y').open_workingtree()
 
72
        self.assertEqual(wtx.get_root_id(), wty.get_root_id())
 
73
        by = wty.branch
 
74
 
 
75
        self.build_tree(['x/ecks', 'y/why'])
 
76
 
 
77
        wtx.add(['ecks'], ['ecks-id'])
 
78
        wty.add(['why'], ['why-id'])
 
79
 
 
80
        wtx.commit('commit one', rev_id='x@u-0-1', allow_pointless=True)
 
81
        wty.commit('commit two', rev_id='y@u-0-1', allow_pointless=True)
 
82
 
 
83
        wty.merge_from_branch(bx)
 
84
 
 
85
        # partial commit of merges is currently not allowed, because
 
86
        # it would give different merge graphs for each file which
 
87
        # might be complex.  it can be allowed in the future.
 
88
        self.assertRaises(Exception,
 
89
                          wty.commit,
 
90
                          'partial commit', allow_pointless=False,
 
91
                          specific_files=['ecks'])
 
92
        
 
93
        wty.commit('merge from x', rev_id='y@u-0-2', allow_pointless=False)
 
94
        tree = by.repository.revision_tree('y@u-0-2')
 
95
        inv = tree.inventory
 
96
        self.assertEquals(inv['ecks-id'].revision, 'x@u-0-1')
 
97
        self.assertEquals(inv['why-id'].revision, 'y@u-0-1')
 
98
 
 
99
        bx.check()
 
100
        by.check()
 
101
        bx.repository.check([bx.last_revision()])
 
102
        by.repository.check([by.last_revision()])
 
103
 
 
104
    def test_merge_with_symlink(self):
 
105
        self.requireFeature(SymlinkFeature)
 
106
        tree_a = self.make_branch_and_tree('tree_a')
 
107
        os.symlink('target', osutils.pathjoin('tree_a', 'link'))
 
108
        tree_a.add('link')
 
109
        tree_a.commit('added link')
 
110
        tree_b = tree_a.bzrdir.sprout('tree_b').open_workingtree()
 
111
        self.build_tree(['tree_a/file'])
 
112
        tree_a.add('file')
 
113
        tree_a.commit('added file')
 
114
        self.build_tree(['tree_b/another_file'])
 
115
        tree_b.add('another_file')
 
116
        tree_b.commit('add another file')
 
117
        tree_b.merge_from_branch(tree_a.branch)
 
118
        tree_b.commit('merge')