← Back to branch summary

~bzr-pqm/bzr/bzr.dev

« back to all changes in this revision

Viewing changes to bzrlib/tests/test_merge.py

  • Committer: Canonical.com Patch Queue Manager
  • Date: 2006-07-06 03:15:29 UTC
  • mfrom: (1711.2.78 jam-integration)
  • Revision ID: pqm@pqm.ubuntu.com-20060706031529-e189d8c3f42076be
(jam) allow plugins to include benchmarks

Show diffs side-by-side

added added

removed removed

Lines of Context:
bzrlib/tests/test_merge.py
1
 
# Copyright (C) 2005, 2006, 2007 Canonical Ltd
 
1
# Copyright (C) 2005, 2006 by Canonical Ltd
2
2
#
3
3
# This program is free software; you can redistribute it and/or modify
4
4
# it under the terms of the GNU General Public License as published by
17
17
import os
18
18
from StringIO import StringIO
19
19
 
20
 
from bzrlib import (
21
 
    conflicts,
22
 
    merge as _mod_merge,
23
 
    option,
24
 
    )
25
20
from bzrlib.branch import Branch
26
 
from bzrlib.builtins import _merge_helper
 
21
from bzrlib.builtins import merge
27
22
from bzrlib.conflicts import ConflictList, TextConflict
28
23
from bzrlib.errors import UnrelatedBranches, NoCommits, BzrCommandError
29
24
from bzrlib.merge import transform_tree, merge_inner
30
 
from bzrlib.osutils import pathjoin, file_kind
 
25
from bzrlib.osutils import pathjoin
31
26
from bzrlib.revision import common_ancestor
32
27
from bzrlib.tests import TestCaseWithTransport
33
28
from bzrlib.trace import (enable_test_log, disable_test_log)
39
34
 
40
35
    def test_pending(self):
41
36
        wt = self.make_branch_and_tree('.')
42
 
        rev_a = wt.commit("lala!")
43
 
        self.assertEqual([rev_a], wt.get_parent_ids())
44
 
        _merge_helper([u'.', -1], [None, None])
45
 
        self.assertEqual([rev_a], wt.get_parent_ids())
 
37
        wt.commit("lala!")
 
38
        self.assertEquals(len(wt.pending_merges()), 0)
 
39
        merge([u'.', -1], [None, None])
 
40
        self.assertEquals(len(wt.pending_merges()), 0)
46
41
 
47
42
    def test_undo(self):
48
43
        wt = self.make_branch_and_tree('.')
49
44
        wt.commit("lala!")
50
45
        wt.commit("haha!")
51
46
        wt.commit("blabla!")
52
 
        _merge_helper([u'.', 2], [u'.', 1])
 
47
        merge([u'.', 2], [u'.', 1])
53
48
 
54
49
    def test_nocommits(self):
55
50
        self.test_pending()
56
51
        wt2 = self.make_branch_and_tree('branch2')
57
 
        self.assertRaises(NoCommits, _merge_helper, ['branch2', -1],
 
52
        self.assertRaises(NoCommits, merge, ['branch2', -1], 
58
53
                          [None, None])
59
54
        return wt2
60
55
 
61
56
    def test_unrelated(self):
62
57
        wt2 = self.test_nocommits()
63
58
        wt2.commit("blah")
64
 
        self.assertRaises(UnrelatedBranches, _merge_helper, ['branch2', -1],
 
59
        self.assertRaises(UnrelatedBranches, merge, ['branch2', -1], 
65
60
                          [None, None])
66
61
        return wt2
67
62
 
68
 
    def test_merge_one_file(self):
69
 
        """Do a partial merge of a tree which should not affect tree parents."""
 
63
    def test_merge_one(self):
70
64
        wt1 = self.make_branch_and_tree('branch1')
71
 
        tip = wt1.commit('empty commit')
 
65
        wt1.commit('empty commit')
72
66
        wt2 = self.make_branch_and_tree('branch2')
73
67
        wt2.pull(wt1.branch)
74
68
        file('branch1/foo', 'wb').write('foo')
77
71
        wt1.add('bar')
78
72
        wt1.commit('add foobar')
79
73
        os.chdir('branch2')
80
 
        self.run_bzr('merge ../branch1/baz', retcode=3)
81
 
        self.run_bzr('merge ../branch1/foo')
 
74
        self.run_bzr('merge', '../branch1/baz', retcode=3)
 
75
        self.run_bzr('merge', '../branch1/foo')
82
76
        self.failUnlessExists('foo')
83
77
        self.failIfExists('bar')
84
 
        wt2 = WorkingTree.open('.') # opens branch2
85
 
        self.assertEqual([tip], wt2.get_parent_ids())
86
 
        
 
78
        wt2 = WorkingTree.open_containing('branch2')[0]
 
79
        self.assertEqual(wt2.pending_merges(), [])
 
80
 
87
81
    def test_pending_with_null(self):
88
 
        """When base is forced to revno 0, parent_ids are set"""
 
82
        """When base is forced to revno 0, pending_merges is set"""
89
83
        wt2 = self.test_unrelated()
90
84
        wt1 = WorkingTree.open('.')
91
85
        br1 = wt1.branch
92
86
        br1.fetch(wt2.branch)
93
87
        # merge all of branch 2 into branch 1 even though they 
94
88
        # are not related.
95
 
        self.assertRaises(BzrCommandError, _merge_helper, ['branch2', -1],
 
89
        self.assertRaises(BzrCommandError, merge, ['branch2', -1], 
96
90
                          ['branch2', 0], reprocess=True, show_base=True)
97
 
        _merge_helper(['branch2', -1], ['branch2', 0], reprocess=True)
98
 
        self.assertEqual([br1.last_revision(), wt2.branch.last_revision()],
99
 
            wt1.get_parent_ids())
 
91
        merge(['branch2', -1], ['branch2', 0], reprocess=True)
 
92
        self.assertEquals(len(wt1.pending_merges()), 1)
100
93
        return (wt1, wt2.branch)
101
94
 
102
95
    def test_two_roots(self):
104
97
        wt1, br2 = self.test_pending_with_null()
105
98
        wt1.commit("blah")
106
99
        last = wt1.branch.last_revision()
107
 
        self.assertEqual(common_ancestor(last, last, wt1.branch.repository), last)
 
100
        self.assertEquals(common_ancestor(last, last, wt1.branch.repository), last)
108
101
 
109
102
    def test_create_rename(self):
110
103
        """Rename an inventory entry while creating the file"""
131
124
        transform_tree(tree, tree.branch.basis_tree())
132
125
 
133
126
    def test_ignore_zero_merge_inner(self):
134
 
        # Test that merge_inner's ignore zero parameter is effective
 
127
        # Test that merge_inner's ignore zero paramter is effective
135
128
        tree_a =self.make_branch_and_tree('a')
136
129
        tree_a.commit(message="hello")
137
130
        dir_b = tree_a.bzrdir.sprout('b')
140
133
        log = StringIO()
141
134
        merge_inner(tree_b.branch, tree_a, tree_b.basis_tree(), 
142
135
                    this_tree=tree_b, ignore_zero=True)
143
 
        log = self._get_log(keep_log_file=True)
 
136
        log = self._get_log()
144
137
        self.failUnless('All changes applied successfully.\n' not in log)
145
138
        tree_b.revert([])
146
139
        merge_inner(tree_b.branch, tree_a, tree_b.basis_tree(), 
147
140
                    this_tree=tree_b, ignore_zero=False)
148
 
        log = self._get_log(keep_log_file=True)
 
141
        log = self._get_log()
149
142
        self.failUnless('All changes applied successfully.\n' in log)
150
143
 
151
144
    def test_merge_inner_conflicts(self):
153
146
        tree_a.set_conflicts(ConflictList([TextConflict('patha')]))
154
147
        merge_inner(tree_a.branch, tree_a, tree_a, this_tree=tree_a)
155
148
        self.assertEqual(1, len(tree_a.conflicts()))
156
 
 
157
 
    def test_rmdir_conflict(self):
158
 
        tree_a = self.make_branch_and_tree('a')
159
 
        self.build_tree(['a/b/'])
160
 
        tree_a.add('b', 'b-id')
161
 
        tree_a.commit('added b')
162
 
        # basis_tree() is only guaranteed to be valid as long as it is actually
163
 
        # the basis tree. This mutates the tree after grabbing basis, so go to
164
 
        # the repository.
165
 
        base_tree = tree_a.branch.repository.revision_tree(tree_a.last_revision())
166
 
        tree_z = tree_a.bzrdir.sprout('z').open_workingtree()
167
 
        self.build_tree(['a/b/c'])
168
 
        tree_a.add('b/c')
169
 
        tree_a.commit('added c')
170
 
        os.rmdir('z/b')
171
 
        tree_z.commit('removed b')
172
 
        merge_inner(tree_z.branch, tree_a, base_tree, this_tree=tree_z)
173
 
        self.assertEqual([
174
 
            conflicts.MissingParent('Created directory', 'b', 'b-id'),
175
 
            conflicts.UnversionedParent('Versioned directory', 'b', 'b-id')],
176
 
            tree_z.conflicts())
177
 
        merge_inner(tree_a.branch, tree_z.basis_tree(), base_tree,
178
 
                    this_tree=tree_a)
179
 
        self.assertEqual([
180
 
            conflicts.DeletingParent('Not deleting', 'b', 'b-id'),
181
 
            conflicts.UnversionedParent('Versioned directory', 'b', 'b-id')],
182
 
            tree_a.conflicts())
183
 
 
184
 
    def test_nested_merge(self):
185
 
        tree = self.make_branch_and_tree('tree',
186
 
            format='dirstate-with-subtree')
187
 
        sub_tree = self.make_branch_and_tree('tree/sub-tree',
188
 
            format='dirstate-with-subtree')
189
 
        sub_tree.set_root_id('sub-tree-root')
190
 
        self.build_tree_contents([('tree/sub-tree/file', 'text1')])
191
 
        sub_tree.add('file')
192
 
        sub_tree.commit('foo')
193
 
        tree.add_reference(sub_tree)
194
 
        tree.commit('set text to 1')
195
 
        tree2 = tree.bzrdir.sprout('tree2').open_workingtree()
196
 
        # modify the file in the subtree
197
 
        self.build_tree_contents([('tree2/sub-tree/file', 'text2')])
198
 
        # and merge the changes from the diverged subtree into the containing
199
 
        # tree
200
 
        tree2.commit('changed file text')
201
 
        tree.merge_from_branch(tree2.branch)
202
 
        self.assertFileEqual('text2', 'tree/sub-tree/file')
203
 
 
204
 
    def test_merge_with_missing(self):
205
 
        tree_a = self.make_branch_and_tree('tree_a')
206
 
        self.build_tree_contents([('tree_a/file', 'content_1')])
207
 
        tree_a.add('file')
208
 
        tree_a.commit('commit base')
209
 
        # basis_tree() is only guaranteed to be valid as long as it is actually
210
 
        # the basis tree. This mutates the tree after grabbing basis, so go to
211
 
        # the repository.
212
 
        base_tree = tree_a.branch.repository.revision_tree(tree_a.last_revision())
213
 
        tree_b = tree_a.bzrdir.sprout('tree_b').open_workingtree()
214
 
        self.build_tree_contents([('tree_a/file', 'content_2')])
215
 
        tree_a.commit('commit other')
216
 
        other_tree = tree_a.basis_tree()
217
 
        os.unlink('tree_b/file')
218
 
        merge_inner(tree_b.branch, other_tree, base_tree, this_tree=tree_b)
219
 
 
220
 
    def test_merge_kind_change(self):
221
 
        tree_a = self.make_branch_and_tree('tree_a')
222
 
        self.build_tree_contents([('tree_a/file', 'content_1')])
223
 
        tree_a.add('file', 'file-id')
224
 
        tree_a.commit('added file')
225
 
        tree_b = tree_a.bzrdir.sprout('tree_b').open_workingtree()
226
 
        os.unlink('tree_a/file')
227
 
        self.build_tree(['tree_a/file/'])
228
 
        tree_a.commit('changed file to directory')
229
 
        tree_b.merge_from_branch(tree_a.branch)
230
 
        self.assertEqual('directory', file_kind('tree_b/file'))
231
 
        tree_b.revert([])
232
 
        self.assertEqual('file', file_kind('tree_b/file'))
233
 
        self.build_tree_contents([('tree_b/file', 'content_2')])
234
 
        tree_b.commit('content change')
235
 
        tree_b.merge_from_branch(tree_a.branch)
236
 
        self.assertEqual(tree_b.conflicts(),
237
 
                         [conflicts.ContentsConflict('file',
238
 
                          file_id='file-id')])
239
 
    
240
 
    def test_merge_type_registry(self):
241
 
        merge_type_option = option.Option.OPTIONS['merge-type']
242
 
        self.assertFalse('merge4' in [x[0] for x in 
243
 
                        merge_type_option.iter_switches()])
244
 
        registry = _mod_merge.get_merge_type_registry()
245
 
        registry.register_lazy('merge4', 'bzrlib.merge', 'Merge4Merger',
246
 
                               'time-travelling merge')
247
 
        self.assertTrue('merge4' in [x[0] for x in 
248
 
                        merge_type_option.iter_switches()])
249
 
        registry.remove('merge4')
250
 
        self.assertFalse('merge4' in [x[0] for x in 
251
 
                        merge_type_option.iter_switches()])
252
 
 
253
 
    def test_merge_other_moves_we_deleted(self):
254
 
        tree_a = self.make_branch_and_tree('A')
255
 
        tree_a.lock_write()
256
 
        self.addCleanup(tree_a.unlock)
257
 
        self.build_tree(['A/a'])
258
 
        tree_a.add('a')
259
 
        tree_a.commit('1', rev_id='rev-1')
260
 
        tree_a.flush()
261
 
        tree_a.rename_one('a', 'b')
262
 
        tree_a.commit('2')
263
 
        bzrdir_b = tree_a.bzrdir.sprout('B', revision_id='rev-1')
264
 
        tree_b = bzrdir_b.open_workingtree()
265
 
        tree_b.lock_write()
266
 
        self.addCleanup(tree_b.unlock)
267
 
        os.unlink('B/a')
268
 
        tree_b.commit('3')
269
 
        try:
270
 
            tree_b.merge_from_branch(tree_a.branch)
271
 
        except AttributeError:
272
 
            self.fail('tried to join a path when name was None')