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Viewing changes to bzrlib/tests/test_branchbuilder.py

  • Committer: Martin Pool
  • Date: 2005-07-21 21:32:13 UTC
  • Revision ID: mbp@sourcefrog.net-20050721213213-c6ac0e8b06eaad0f
- bzr update-hashes shows some stats on what it did

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1
 
# Copyright (C) 2007 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
 
"""Tests for the BranchBuilder class."""
18
 
 
19
 
from bzrlib import (
20
 
    branch as _mod_branch,
21
 
    errors,
22
 
    revision as _mod_revision,
23
 
    tests,
24
 
    )
25
 
from bzrlib.branchbuilder import BranchBuilder
26
 
 
27
 
 
28
 
class TestBranchBuilder(tests.TestCaseWithMemoryTransport):
29
 
    
30
 
    def test_create(self):
31
 
        """Test the constructor api."""
32
 
        builder = BranchBuilder(self.get_transport().clone('foo'))
33
 
        # we dont care if the branch has been built or not at this point.
34
 
 
35
 
    def test_get_branch(self):
36
 
        """get_branch returns the created branch."""
37
 
        builder = BranchBuilder(self.get_transport().clone('foo'))
38
 
        branch = builder.get_branch()
39
 
        self.assertIsInstance(branch, _mod_branch.Branch)
40
 
        self.assertEqual(self.get_transport().clone('foo').base,
41
 
            branch.base)
42
 
        self.assertEqual(
43
 
            (0, _mod_revision.NULL_REVISION),
44
 
            branch.last_revision_info())
45
 
 
46
 
    def test_format(self):
47
 
        """Making a BranchBuilder with a format option sets the branch type."""
48
 
        builder = BranchBuilder(self.get_transport(), format='dirstate-tags')
49
 
        branch = builder.get_branch()
50
 
        self.assertIsInstance(branch, _mod_branch.BzrBranch6)
51
 
 
52
 
    def test_build_one_commit(self):
53
 
        """doing build_commit causes a commit to happen."""
54
 
        builder = BranchBuilder(self.get_transport().clone('foo'))
55
 
        rev_id = builder.build_commit()
56
 
        branch = builder.get_branch()
57
 
        self.assertEqual((1, rev_id), branch.last_revision_info())
58
 
        self.assertEqual(
59
 
            'commit 1',
60
 
            branch.repository.get_revision(branch.last_revision()).message)
61
 
 
62
 
    def test_build_two_commits(self):
63
 
        """The second commit has the right parents and message."""
64
 
        builder = BranchBuilder(self.get_transport().clone('foo'))
65
 
        rev_id1 = builder.build_commit()
66
 
        rev_id2 = builder.build_commit()
67
 
        branch = builder.get_branch()
68
 
        self.assertEqual((2, rev_id2), branch.last_revision_info())
69
 
        self.assertEqual(
70
 
            'commit 2',
71
 
            branch.repository.get_revision(branch.last_revision()).message)
72
 
        self.assertEqual(
73
 
            [rev_id1],
74
 
            branch.repository.get_revision(branch.last_revision()).parent_ids)
75
 
 
76
 
 
77
 
class TestBranchBuilderBuildSnapshot(tests.TestCaseWithMemoryTransport):
78
 
 
79
 
    def assertTreeShape(self, expected_shape, tree):
80
 
        """Check that the tree shape matches expectations."""
81
 
        tree.lock_read()
82
 
        try:
83
 
            entries = [(path, ie.file_id, ie.kind)
84
 
                       for path, ie in tree.iter_entries_by_dir()]
85
 
        finally:
86
 
            tree.unlock()
87
 
        self.assertEqual(expected_shape, entries)
88
 
 
89
 
    def build_a_rev(self):
90
 
        builder = BranchBuilder(self.get_transport().clone('foo'))
91
 
        rev_id1 = builder.build_snapshot('A-id', None,
92
 
            [('add', ('', 'a-root-id', 'directory', None)),
93
 
             ('add', ('a', 'a-id', 'file', 'contents'))])
94
 
        self.assertEqual('A-id', rev_id1)
95
 
        return builder
96
 
 
97
 
    def test_add_one_file(self):
98
 
        builder = self.build_a_rev()
99
 
        branch = builder.get_branch()
100
 
        self.assertEqual((1, 'A-id'), branch.last_revision_info())
101
 
        rev_tree = branch.repository.revision_tree('A-id')
102
 
        rev_tree.lock_read()
103
 
        self.addCleanup(rev_tree.unlock)
104
 
        self.assertTreeShape([(u'', 'a-root-id', 'directory'),
105
 
                              (u'a', 'a-id', 'file')], rev_tree)
106
 
        self.assertEqual('contents', rev_tree.get_file_text('a-id'))
107
 
 
108
 
    def test_add_second_file(self):
109
 
        builder = self.build_a_rev()
110
 
        rev_id2 = builder.build_snapshot('B-id', None,
111
 
            [('add', ('b', 'b-id', 'file', 'content_b'))])
112
 
        self.assertEqual('B-id', rev_id2)
113
 
        branch = builder.get_branch()
114
 
        self.assertEqual((2, rev_id2), branch.last_revision_info())
115
 
        rev_tree = branch.repository.revision_tree(rev_id2)
116
 
        rev_tree.lock_read()
117
 
        self.addCleanup(rev_tree.unlock)
118
 
        self.assertTreeShape([(u'', 'a-root-id', 'directory'),
119
 
                              (u'a', 'a-id', 'file'),
120
 
                              (u'b', 'b-id', 'file')], rev_tree)
121
 
        self.assertEqual('content_b', rev_tree.get_file_text('b-id'))
122
 
 
123
 
    def test_add_empty_dir(self):
124
 
        builder = self.build_a_rev()
125
 
        rev_id2 = builder.build_snapshot('B-id', None,
126
 
            [('add', ('b', 'b-id', 'directory', None))])
127
 
        rev_tree = builder.get_branch().repository.revision_tree('B-id')
128
 
        self.assertTreeShape([(u'', 'a-root-id', 'directory'),
129
 
                              (u'a', 'a-id', 'file'),
130
 
                              (u'b', 'b-id', 'directory'),
131
 
                             ], rev_tree)
132
 
 
133
 
    def test_commit_message_default(self):
134
 
        builder = BranchBuilder(self.get_transport().clone('foo'))
135
 
        rev_id = builder.build_snapshot(None, None,
136
 
            [('add', (u'', None, 'directory', None))])
137
 
        branch = builder.get_branch()
138
 
        rev = branch.repository.get_revision(rev_id)
139
 
        self.assertEqual(u'commit 1', rev.message)
140
 
 
141
 
    def test_commit_message_supplied(self):
142
 
        builder = BranchBuilder(self.get_transport().clone('foo'))
143
 
        rev_id = builder.build_snapshot(None, None,
144
 
            [('add', (u'', None, 'directory', None))],
145
 
            message=u'Foo')
146
 
        branch = builder.get_branch()
147
 
        rev = branch.repository.get_revision(rev_id)
148
 
        self.assertEqual(u'Foo', rev.message)
149
 
 
150
 
    def test_modify_file(self):
151
 
        builder = self.build_a_rev()
152
 
        rev_id2 = builder.build_snapshot('B-id', None,
153
 
            [('modify', ('a-id', 'new\ncontent\n'))])
154
 
        self.assertEqual('B-id', rev_id2)
155
 
        branch = builder.get_branch()
156
 
        rev_tree = branch.repository.revision_tree(rev_id2)
157
 
        rev_tree.lock_read()
158
 
        self.addCleanup(rev_tree.unlock)
159
 
        self.assertEqual('new\ncontent\n', rev_tree.get_file_text('a-id'))
160
 
 
161
 
    def test_delete_file(self):
162
 
        builder = self.build_a_rev()
163
 
        rev_id2 = builder.build_snapshot('B-id', None,
164
 
            [('unversion', 'a-id')])
165
 
        self.assertEqual('B-id', rev_id2)
166
 
        branch = builder.get_branch()
167
 
        rev_tree = branch.repository.revision_tree(rev_id2)
168
 
        rev_tree.lock_read()
169
 
        self.addCleanup(rev_tree.unlock)
170
 
        self.assertTreeShape([(u'', 'a-root-id', 'directory')], rev_tree)
171
 
 
172
 
    def test_delete_directory(self):
173
 
        builder = self.build_a_rev()
174
 
        rev_id2 = builder.build_snapshot('B-id', None,
175
 
            [('add', ('b', 'b-id', 'directory', None)),
176
 
             ('add', ('b/c', 'c-id', 'file', 'foo\n')),
177
 
             ('add', ('b/d', 'd-id', 'directory', None)),
178
 
             ('add', ('b/d/e', 'e-id', 'file', 'eff\n')),
179
 
            ])
180
 
        rev_tree = builder.get_branch().repository.revision_tree('B-id')
181
 
        self.assertTreeShape([(u'', 'a-root-id', 'directory'),
182
 
                              (u'a', 'a-id', 'file'),
183
 
                              (u'b', 'b-id', 'directory'),
184
 
                              (u'b/c', 'c-id', 'file'),
185
 
                              (u'b/d', 'd-id', 'directory'),
186
 
                              (u'b/d/e', 'e-id', 'file')], rev_tree)
187
 
        # Removing a directory removes all child dirs
188
 
        builder.build_snapshot('C-id', None, [('unversion', 'b-id')])
189
 
        rev_tree = builder.get_branch().repository.revision_tree('C-id')
190
 
        self.assertTreeShape([(u'', 'a-root-id', 'directory'),
191
 
                              (u'a', 'a-id', 'file'),
192
 
                             ], rev_tree)
193
 
 
194
 
    def test_unknown_action(self):
195
 
        builder = self.build_a_rev()
196
 
        e = self.assertRaises(ValueError,
197
 
            builder.build_snapshot, 'B-id', None, [('weirdo', ('foo',))])
198
 
        self.assertEqual('Unknown build action: "weirdo"', str(e))
199
 
 
200
 
    def test_rename(self):
201
 
        builder = self.build_a_rev()
202
 
        builder.build_snapshot('B-id', None,
203
 
            [('rename', ('a', 'b'))])
204
 
        rev_tree = builder.get_branch().repository.revision_tree('B-id')
205
 
        self.assertTreeShape([(u'', 'a-root-id', 'directory'),
206
 
                              (u'b', 'a-id', 'file')], rev_tree)
207
 
 
208
 
    def test_rename_into_subdir(self):
209
 
        builder = self.build_a_rev()
210
 
        builder.build_snapshot('B-id', None,
211
 
            [('add', ('dir', 'dir-id', 'directory', None)),
212
 
             ('rename', ('a', 'dir/a'))])
213
 
        rev_tree = builder.get_branch().repository.revision_tree('B-id')
214
 
        self.assertTreeShape([(u'', 'a-root-id', 'directory'),
215
 
                              (u'dir', 'dir-id', 'directory'),
216
 
                              (u'dir/a', 'a-id', 'file')], rev_tree)
217
 
 
218
 
    def test_set_parent(self):
219
 
        builder = self.build_a_rev()
220
 
        builder.start_series()
221
 
        self.addCleanup(builder.finish_series)
222
 
        builder.build_snapshot('B-id', ['A-id'],
223
 
            [('modify', ('a-id', 'new\ncontent\n'))])
224
 
        builder.build_snapshot('C-id', ['A-id'], 
225
 
            [('add', ('c', 'c-id', 'file', 'alt\ncontent\n'))])
226
 
        # We should now have a graph:
227
 
        #   A
228
 
        #   |\
229
 
        #   C B
230
 
        # And not A => B => C
231
 
        repo = builder.get_branch().repository
232
 
        self.assertEqual({'B-id': ('A-id',), 'C-id': ('A-id',)},
233
 
                         repo.get_parent_map(['B-id', 'C-id']))
234
 
        b_tree = repo.revision_tree('B-id')
235
 
        self.assertTreeShape([(u'', 'a-root-id', 'directory'),
236
 
                              (u'a', 'a-id', 'file'),
237
 
                             ], b_tree)
238
 
        self.assertEqual('new\ncontent\n', b_tree.get_file_text('a-id'))
239
 
 
240
 
        # We should still be using the content from A in C, not from B
241
 
        c_tree = repo.revision_tree('C-id')
242
 
        self.assertTreeShape([(u'', 'a-root-id', 'directory'),
243
 
                              (u'a', 'a-id', 'file'),
244
 
                              (u'c', 'c-id', 'file'),
245
 
                             ], c_tree)
246
 
        self.assertEqual('contents', c_tree.get_file_text('a-id'))
247
 
        self.assertEqual('alt\ncontent\n', c_tree.get_file_text('c-id'))
248
 
 
249
 
    def test_set_merge_parent(self):
250
 
        builder = self.build_a_rev()
251
 
        builder.start_series()
252
 
        self.addCleanup(builder.finish_series)
253
 
        builder.build_snapshot('B-id', ['A-id'],
254
 
            [('add', ('b', 'b-id', 'file', 'b\ncontent\n'))])
255
 
        builder.build_snapshot('C-id', ['A-id'],
256
 
            [('add', ('c', 'c-id', 'file', 'alt\ncontent\n'))])
257
 
        builder.build_snapshot('D-id', ['B-id', 'C-id'], [])
258
 
        repo = builder.get_branch().repository
259
 
        self.assertEqual({'B-id': ('A-id',), 'C-id': ('A-id',),
260
 
                          'D-id': ('B-id', 'C-id')},
261
 
                         repo.get_parent_map(['B-id', 'C-id', 'D-id']))
262
 
        d_tree = repo.revision_tree('D-id')
263
 
        # Note: by default a merge node does *not* pull in the changes from the
264
 
        #       merged tree, you have to supply it yourself.
265
 
        self.assertTreeShape([(u'', 'a-root-id', 'directory'),
266
 
                              (u'a', 'a-id', 'file'),
267
 
                              (u'b', 'b-id', 'file'),
268
 
                             ], d_tree)
269
 
 
270
 
    def test_set_merge_parent_and_contents(self):
271
 
        builder = self.build_a_rev()
272
 
        builder.start_series()
273
 
        self.addCleanup(builder.finish_series)
274
 
        builder.build_snapshot('B-id', ['A-id'],
275
 
            [('add', ('b', 'b-id', 'file', 'b\ncontent\n'))])
276
 
        builder.build_snapshot('C-id', ['A-id'],
277
 
            [('add', ('c', 'c-id', 'file', 'alt\ncontent\n'))])
278
 
        builder.build_snapshot('D-id', ['B-id', 'C-id'],
279
 
            [('add', ('c', 'c-id', 'file', 'alt\ncontent\n'))])
280
 
        repo = builder.get_branch().repository
281
 
        self.assertEqual({'B-id': ('A-id',), 'C-id': ('A-id',),
282
 
                          'D-id': ('B-id', 'C-id')},
283
 
                         repo.get_parent_map(['B-id', 'C-id', 'D-id']))
284
 
        d_tree = repo.revision_tree('D-id')
285
 
        self.assertTreeShape([(u'', 'a-root-id', 'directory'),
286
 
                              (u'a', 'a-id', 'file'),
287
 
                              (u'b', 'b-id', 'file'),
288
 
                              (u'c', 'c-id', 'file'),
289
 
                             ], d_tree)
290
 
        # Because we copied the exact text into *this* tree, the 'c' file
291
 
        # should look like it was not modified in the merge
292
 
        self.assertEqual('C-id', d_tree.inventory['c-id'].revision)
293
 
 
294
 
    def test_start_finish_series(self):
295
 
        builder = BranchBuilder(self.get_transport().clone('foo'))
296
 
        builder.start_series()
297
 
        try:
298
 
            self.assertIsNot(None, builder._tree)
299
 
            self.assertEqual('w', builder._tree._lock_mode)
300
 
            self.assertTrue(builder._branch.is_locked())
301
 
        finally:
302
 
            builder.finish_series()
303
 
        self.assertIs(None, builder._tree)
304
 
        self.assertFalse(builder._branch.is_locked())