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Viewing changes to bzrlib/tests/test_rename_map.py

  • Committer: Martin Pool
  • Date: 2010-07-02 07:29:40 UTC
  • mfrom: (129.1.7 packaging-karmic)
  • Revision ID: mbp@sourcefrog.net-20100702072940-hpzq5elg8wjve8rh
http://bugs.debian.org/452024
http://bugs.debian.org/464688
http://bugs.debian.org/523595
http://bugs.debian.org/526233
http://bugs.debian.org/537708
http://bugs.debian.org/555336
http://bugs.debian.org/555343
https://launchpad.net/bugs/249452
https://launchpad.net/bugs/385074
* PPA rebuild.
* PPA rebuild for Karmic.
* PPA rebuild for Jaunty.
* PPA rebuild for Hardy.
* From postinst, actually remove the example bash completion scripts.
  (LP: #249452)
* New upstream release.
* New upstream release.
* New upstream release.
* Revert change to Build-depends: Dapper does not have python-central.
  Should be python-support..
* Target ppa..
* Target ppa..
* Target ppa..
* Target ppa..
* New upstream release.
* Switch to dpkg-source 3.0 (quilt) format.
* Bump standards version to 3.8.4.
* Remove embedded copy of python-configobj. Closes: #555336
* Remove embedded copy of python-elementtree. Closes: #555343
* Change section from 'Devel' to 'Vcs'..
* Change section from 'Devel' to 'Vcs'..
* Change section from 'Devel' to 'Vcs'..
* Change section from 'Devel' to 'Vcs'..
* Change section from 'Devel' to 'Vcs'..
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* debian/control: Fix obsolete-relation-form-in-source
  lintian warning. 
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* Split out docs into bzr-doc package.
* New upstream release.
* Added John Francesco Ferlito to Uploaders.
* Fix install path to quick-reference guide
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* Fix FTBFS due to path changes, again.
* Fix FTBFS due to doc paths changing
* New upstream release.
* Fix FTBFS due to path changes, again.
* Fix FTBFS due to doc paths changing
* New upstream release.
* Fix FTBFS due to path changes, again.
* Fix FTBFS due to doc paths changing
* New upstream release.
* Fix FTBFS due to path changes, again, again.
* Fix FTBFS due to path changes, again.
* Fix FTBFS due to path changes.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* Bump standards version to 3.8.3.
* Remove unused patch system.
* New upstream release.
* New upstream release.
* New upstream release.
* Fix copy and paste tab error in .install file
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
 + Fixes compatibility with Python 2.4. Closes: #537708
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream version.
* Bump standards version to 3.8.2.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* Add python-pyrex to build-deps to ensure C extensions are always build.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* Split documentation into bzr-doc package. ((LP: #385074)
* Multiple packaging changes to make us more linitan clean.
* New upstream release.
* Split documentation into bzr-doc package. ((LP: #385074)
* Multiple packaging changes to make us more linitan clean.
* New upstream release.
* Split documentation into bzr-doc package. ((LP: #385074)
* Multiple packaging changes to make us more linitan clean.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* Fix API compatibility version. (Closes: #526233)
* New upstream release.
  + Fixes default format for upgrade command. (Closes: #464688)
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* Add missing dependency on zlib development library. (Closes:
  #523595)
* Add zlib build-depends.
* Add zlib build-depends.
* Add zlib build-depends.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* Move to section vcs.
* Bump standards version to 3.8.1.
* New upstream release.
* Remove temporary patch for missing .c files from distribution
* New upstream release.
* Remove temporary patch for missing .c files from distribution
* New upstream release.
* Remove temporary patch for missing .c files from distribution
* Add temporary patch for missing .c files from distribution
* Add temporary patch for missing .c files from distribution
* Add temporary patch for missing .c files from distribution
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* Recommend ca-certificates. (Closes: #452024)
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* Update watch file. bazaar now uses launchpad to host its sources.
* Remove patch for inventory root revision copy, applied upstream.
* New upstream release.
* New upstream release.
* New upstream release
* Force removal of files installed in error to /etc/bash_completion.d/
  (LP: #249452)
* New upstream release.
* New upstream release
* New upstream release.
* Bump standards version.
* Include patch for inventory root revision copy, required for bzr-svn.
* New upstream release.
* Remove unused lintian overrides.
* Correct the package version not to be native.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* Final 1.5 release.
* New upstream release.
* New upstream release.
* New upstream release.
* Add myself as a co-maintainer.
* Add a Dm-Upload-Allowed: yes header.
* New upstream bugfix release.
* New upstream release.
* Final 1.3 release.
* New upstream release.
* First release candidate of the upcoming 1.3 release.
* Rebuild to fix the problem caused by a build with a broken python-central.
* New upstream release.
* Rebuild for dapper PPA.
* Apply Lamont's patches to fix build-dependencies on dapper.
  (See: https://bugs.launchpad.net/bzr/+bug/189915)

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Lines of Context:
bzrlib/tests/test_rename_map.py
 
1
# Copyright (C) 2009 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
16
 
 
17
 
 
18
import os
 
19
 
 
20
from bzrlib import trace
 
21
from bzrlib.rename_map import RenameMap
 
22
from bzrlib.tests import TestCaseWithTransport
 
23
 
 
24
 
 
25
def myhash(val):
 
26
    """This the hash used by RenameMap."""
 
27
    return hash(val) % (1024 * 1024 * 10)
 
28
 
 
29
 
 
30
class TestRenameMap(TestCaseWithTransport):
 
31
 
 
32
    a_lines = 'a\nb\nc\n'.splitlines(True)
 
33
    b_lines = 'b\nc\nd\n'.splitlines(True)
 
34
 
 
35
 
 
36
    def test_add_edge_hashes(self):
 
37
        rn = RenameMap(None)
 
38
        rn.add_edge_hashes(self.a_lines, 'a')
 
39
        self.assertEqual(set(['a']), rn.edge_hashes[myhash(('a\n', 'b\n'))])
 
40
        self.assertEqual(set(['a']), rn.edge_hashes[myhash(('b\n', 'c\n'))])
 
41
        self.assertIs(None, rn.edge_hashes.get(myhash(('c\n', 'd\n'))))
 
42
 
 
43
    def test_add_file_edge_hashes(self):
 
44
        tree = self.make_branch_and_tree('tree')
 
45
        self.build_tree_contents([('tree/a', ''.join(self.a_lines))])
 
46
        tree.add('a', 'a')
 
47
        rn = RenameMap(tree)
 
48
        rn.add_file_edge_hashes(tree, ['a'])
 
49
        self.assertEqual(set(['a']), rn.edge_hashes[myhash(('a\n', 'b\n'))])
 
50
        self.assertEqual(set(['a']), rn.edge_hashes[myhash(('b\n', 'c\n'))])
 
51
        self.assertIs(None, rn.edge_hashes.get(myhash(('c\n', 'd\n'))))
 
52
 
 
53
    def test_hitcounts(self):
 
54
        rn = RenameMap(None)
 
55
        rn.add_edge_hashes(self.a_lines, 'a')
 
56
        rn.add_edge_hashes(self.b_lines, 'b')
 
57
        self.assertEqual({'a': 2.5, 'b': 0.5}, rn.hitcounts(self.a_lines))
 
58
        self.assertEqual({'a': 1}, rn.hitcounts(self.a_lines[:-1]))
 
59
        self.assertEqual({'b': 2.5, 'a': 0.5}, rn.hitcounts(self.b_lines))
 
60
 
 
61
    def test_file_match(self):
 
62
        tree = self.make_branch_and_tree('tree')
 
63
        rn = RenameMap(tree)
 
64
        rn.add_edge_hashes(self.a_lines, 'aid')
 
65
        rn.add_edge_hashes(self.b_lines, 'bid')
 
66
        self.build_tree_contents([('tree/a', ''.join(self.a_lines))])
 
67
        self.build_tree_contents([('tree/b', ''.join(self.b_lines))])
 
68
        self.assertEqual({'a': 'aid', 'b': 'bid'},
 
69
                         rn.file_match(['a', 'b']))
 
70
 
 
71
    def test_file_match_no_dups(self):
 
72
        tree = self.make_branch_and_tree('tree')
 
73
        rn = RenameMap(tree)
 
74
        rn.add_edge_hashes(self.a_lines, 'aid')
 
75
        self.build_tree_contents([('tree/a', ''.join(self.a_lines))])
 
76
        self.build_tree_contents([('tree/b', ''.join(self.b_lines))])
 
77
        self.build_tree_contents([('tree/c', ''.join(self.b_lines))])
 
78
        self.assertEqual({'a': 'aid'},
 
79
                         rn.file_match(['a', 'b', 'c']))
 
80
 
 
81
    def test_match_directories(self):
 
82
        tree = self.make_branch_and_tree('tree')
 
83
        rn = RenameMap(tree)
 
84
        required_parents = rn.get_required_parents({
 
85
            'path1': 'a',
 
86
            'path2/tr': 'b',
 
87
            'path3/path4/path5': 'c',
 
88
        })
 
89
        self.assertEqual(
 
90
            {'path2': set(['b']), 'path3/path4': set(['c']), 'path3': set()},
 
91
            required_parents)
 
92
 
 
93
    def test_find_directory_renames(self):
 
94
        tree = self.make_branch_and_tree('tree')
 
95
        rn = RenameMap(tree)
 
96
        matches = {
 
97
            'path1': 'a',
 
98
            'path3/path4/path5': 'c',
 
99
        }
 
100
        required_parents = {
 
101
            'path2': set(['b']),
 
102
            'path3/path4': set(['c']),
 
103
            'path3': set([])}
 
104
        missing_parents = {
 
105
            'path2-id': set(['b']),
 
106
            'path4-id': set(['c']),
 
107
            'path3-id': set(['path4-id'])}
 
108
        matches = rn.match_parents(required_parents, missing_parents)
 
109
        self.assertEqual({'path3/path4': 'path4-id', 'path2': 'path2-id'},
 
110
                         matches)
 
111
 
 
112
    def test_guess_renames(self):
 
113
        tree = self.make_branch_and_tree('tree')
 
114
        tree.lock_write()
 
115
        self.addCleanup(tree.unlock)
 
116
        self.build_tree(['tree/file'])
 
117
        tree.add('file', 'file-id')
 
118
        tree.commit('Added file')
 
119
        os.rename('tree/file', 'tree/file2')
 
120
        RenameMap.guess_renames(tree)
 
121
        self.assertEqual('file2', tree.id2path('file-id'))
 
122
 
 
123
    def test_guess_renames_handles_directories(self):
 
124
        tree = self.make_branch_and_tree('tree')
 
125
        tree.lock_write()
 
126
        self.addCleanup(tree.unlock)
 
127
        self.build_tree(['tree/dir/', 'tree/dir/file'])
 
128
        tree.add(['dir', 'dir/file'], ['dir-id', 'file-id'])
 
129
        tree.commit('Added file')
 
130
        os.rename('tree/dir', 'tree/dir2')
 
131
        RenameMap.guess_renames(tree)
 
132
        self.assertEqual('dir2/file', tree.id2path('file-id'))
 
133
        self.assertEqual('dir2', tree.id2path('dir-id'))
 
134
 
 
135
    def test_guess_renames_handles_grandparent_directories(self):
 
136
        tree = self.make_branch_and_tree('tree')
 
137
        tree.lock_write()
 
138
        self.addCleanup(tree.unlock)
 
139
        self.build_tree(['tree/topdir/',
 
140
                         'tree/topdir/middledir/',
 
141
                         'tree/topdir/middledir/file'])
 
142
        tree.add(['topdir', 'topdir/middledir', 'topdir/middledir/file'],
 
143
                 ['topdir-id', 'middledir-id', 'file-id'])
 
144
        tree.commit('Added files.')
 
145
        os.rename('tree/topdir', 'tree/topdir2')
 
146
        RenameMap.guess_renames(tree)
 
147
        self.assertEqual('topdir2', tree.id2path('topdir-id'))
 
148
 
 
149
    def test_guess_renames_preserves_children(self):
 
150
        """When a directory has been moved, its children are preserved."""
 
151
        tree = self.make_branch_and_tree('tree')
 
152
        tree.lock_write()
 
153
        self.addCleanup(tree.unlock)
 
154
        self.build_tree_contents([('tree/foo/', ''),
 
155
                                  ('tree/foo/bar', 'bar'),
 
156
                                  ('tree/foo/empty', '')])
 
157
        tree.add(['foo', 'foo/bar', 'foo/empty'],
 
158
                 ['foo-id', 'bar-id', 'empty-id'])
 
159
        tree.commit('rev1')
 
160
        os.rename('tree/foo', 'tree/baz')
 
161
        RenameMap.guess_renames(tree)
 
162
        self.assertEqual('baz/empty', tree.id2path('empty-id'))
 
163
 
 
164
    def test_guess_renames_dry_run(self):
 
165
        tree = self.make_branch_and_tree('tree')
 
166
        tree.lock_write()
 
167
        self.addCleanup(tree.unlock)
 
168
        self.build_tree(['tree/file'])
 
169
        tree.add('file', 'file-id')
 
170
        tree.commit('Added file')
 
171
        os.rename('tree/file', 'tree/file2')
 
172
        RenameMap.guess_renames(tree, dry_run=True)
 
173
        self.assertEqual('file', tree.id2path('file-id'))
 
174
 
 
175
    @staticmethod
 
176
    def captureNotes(cmd, *args, **kwargs):
 
177
        notes = []
 
178
        def my_note(fmt, *args):
 
179
            notes.append(fmt % args)
 
180
        old_note = trace.note
 
181
        trace.note = my_note
 
182
        try:
 
183
            result = cmd(*args, **kwargs)
 
184
        finally:
 
185
            trace.note = old_note
 
186
        return notes, result
 
187
 
 
188
    def test_guess_renames_output(self):
 
189
        """guess_renames emits output whether dry_run is True or False."""
 
190
        tree = self.make_branch_and_tree('tree')
 
191
        tree.lock_write()
 
192
        self.addCleanup(tree.unlock)
 
193
        self.build_tree(['tree/file'])
 
194
        tree.add('file', 'file-id')
 
195
        tree.commit('Added file')
 
196
        os.rename('tree/file', 'tree/file2')
 
197
        notes = self.captureNotes(RenameMap.guess_renames, tree,
 
198
                                  dry_run=True)[0]
 
199
        self.assertEqual('file => file2', ''.join(notes))
 
200
        notes = self.captureNotes(RenameMap.guess_renames, tree,
 
201
                                  dry_run=False)[0]
 
202
        self.assertEqual('file => file2', ''.join(notes))