~bzr-pqm/bzr/bzr.dev

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
# Copyright (C) 2005 Canonical Ltd
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

import os
import sys

from bzrlib.builtins import merge
from bzrlib.errors import IllegalPath, NonAsciiRevisionId
from bzrlib.tests import TestSkipped
from bzrlib.tests.repository_implementations.test_repository import TestCaseWithRepository
from bzrlib.transform import TreeTransform
from bzrlib.workingtree import WorkingTree


class FileIdInvolvedBase(TestCaseWithRepository):

    def touch(self, tree, filename):
        # use the trees transport to not depend on the tree's location or type.
        tree.bzrdir.root_transport.append_bytes(filename, "appended line\n")

    def compare_tree_fileids(self, branch, old_rev, new_rev):
        old_tree = self.branch.repository.revision_tree(old_rev)
        new_tree = self.branch.repository.revision_tree(new_rev)
        delta = new_tree.changes_from(old_tree)

        l2 = [id for path, id, kind in delta.added] + \
             [id for oldpath, newpath, id, kind, text_modified, \
                meta_modified in delta.renamed] + \
             [id for path, id, kind, text_modified, meta_modified in \
                delta.modified]
        return set(l2)

    
class TestFileIdInvolved(FileIdInvolvedBase):

    def setUp(self):
        super(TestFileIdInvolved, self).setUp()
        # create three branches, and merge it
        #
        #           /-->J ------>K                (branch2)
        #          /              \
        #  A ---> B --->C ---->D->G               (main)
        #  \           /      /
        #   \---> E---/----> F                 (branch1)

        # A changes: 
        # B changes: 'a-file-id-2006-01-01-abcd'
        # C changes:  Nothing (perfect merge)
        # D changes: 'b-file-id-2006-01-01-defg'
        # E changes: 'file-d'
        # F changes: 'file-d'
        # G changes: 'b-file-id-2006-01-01-defg'
        # J changes: 'b-file-id-2006-01-01-defg'
        # K changes: 'c-funky<file-id> quiji%bo'

        main_wt = self.make_branch_and_tree('main')
        main_branch = main_wt.branch
        self.build_tree(["main/a","main/b","main/c"])

        main_wt.add(['a', 'b', 'c'], ['a-file-id-2006-01-01-abcd',
                                 'b-file-id-2006-01-01-defg',
                                 'c-funky<file-id> quiji%bo'])
        try:
            main_wt.commit("Commit one", rev_id="rev-A")
        except IllegalPath:
            # TODO: jam 20060701 Consider raising a different exception
            #       newer formats do support this, and nothin can done to 
            #       correct this test - its not a bug.
            if sys.platform == 'win32':
                raise TestSkipped('Old repository formats do not'
                                  ' support file ids with <> on win32')
            # This is not a known error condition
            raise

        #-------- end A -----------

        bt1 = self.make_branch_and_tree('branch1')
        bt1.pull(main_branch)
        b1 = bt1.branch
        self.build_tree(["branch1/d"])
        bt1.add(['d'], ['file-d'])
        bt1.commit("branch1, Commit one", rev_id="rev-E")

        #-------- end E -----------

        self.touch(main_wt, "a")
        main_wt.commit("Commit two", rev_id="rev-B")

        #-------- end B -----------

        bt2 = self.make_branch_and_tree('branch2')
        bt2.pull(main_branch)
        branch2_branch = bt2.branch
        set_executability(bt2, 'b', True)
        bt2.commit("branch2, Commit one", rev_id="rev-J")

        #-------- end J -----------

        main_wt.merge_from_branch(b1)
        main_wt.commit("merge branch1, rev-11", rev_id="rev-C")

        #-------- end C -----------

        bt1.rename_one("d","e")
        bt1.commit("branch1, commit two", rev_id="rev-F")

        #-------- end F -----------

        self.touch(bt2, "c")
        bt2.commit("branch2, commit two", rev_id="rev-K")

        #-------- end K -----------

        main_wt.merge_from_branch(b1)
        self.touch(main_wt, "b")
        # D gets some funky characters to make sure the unescaping works
        main_wt.commit("merge branch1, rev-12", rev_id="rev-<D>")

        # end D

        main_wt.merge_from_branch(branch2_branch)
        main_wt.commit("merge branch1, rev-22",  rev_id="rev-G")

        # end G
        self.branch = main_branch

    def test_fileids_altered_between_two_revs(self):
        def foo(old, new):
            print set(self.branch.repository.get_ancestry(new)).difference(set(self.branch.repository.get_ancestry(old)))

        self.assertEqual(
            {'b-file-id-2006-01-01-defg':set(['rev-J']),
             'c-funky<file-id> quiji%bo':set(['rev-K'])
             },
            self.branch.repository.fileids_altered_by_revision_ids(["rev-J","rev-K"]))

        self.assertEqual(
            {'b-file-id-2006-01-01-defg': set(['rev-<D>']),
             'file-d': set(['rev-F']),
             },
            self.branch.repository.fileids_altered_by_revision_ids(['rev-<D>', 'rev-F']))

        self.assertEqual(
            {
             'b-file-id-2006-01-01-defg': set(['rev-<D>', 'rev-G', 'rev-J']), 
             'c-funky<file-id> quiji%bo': set(['rev-K']),
             'file-d': set(['rev-F']), 
             },
            self.branch.repository.fileids_altered_by_revision_ids(
                ['rev-<D>', 'rev-G', 'rev-F', 'rev-K', 'rev-J']))

        self.assertEqual(
            {'a-file-id-2006-01-01-abcd': set(['rev-B']),
             'b-file-id-2006-01-01-defg': set(['rev-<D>', 'rev-G', 'rev-J']),
             'c-funky<file-id> quiji%bo': set(['rev-K']),
             'file-d': set(['rev-F']),
             },
            self.branch.repository.fileids_altered_by_revision_ids(
                ['rev-G', 'rev-F', 'rev-C', 'rev-B', 'rev-<D>', 'rev-K', 'rev-J']))

    def fileids_altered_by_revision_ids(self, revision_ids):
        """This is a wrapper to strip TREE_ROOT if it occurs"""
        repo = self.branch.repository
        root_id = self.branch.basis_tree().inventory.root.file_id
        result = repo.fileids_altered_by_revision_ids(revision_ids)
        if root_id in result:
            del result[root_id]
        return result

    def test_fileids_altered_by_revision_ids(self):
        self.assertEqual(
            {'a-file-id-2006-01-01-abcd':set(['rev-A']),
             'b-file-id-2006-01-01-defg': set(['rev-A']),
             'c-funky<file-id> quiji%bo': set(['rev-A']),
             }, 
            self.fileids_altered_by_revision_ids(["rev-A"]))
        self.assertEqual(
            {'a-file-id-2006-01-01-abcd':set(['rev-B'])
             }, 
            self.branch.repository.fileids_altered_by_revision_ids(["rev-B"]))
        self.assertEqual(
            {'b-file-id-2006-01-01-defg':set(['rev-<D>'])
             },
            self.branch.repository.fileids_altered_by_revision_ids(["rev-<D>"]))

    def test_fileids_involved_full_compare(self):
        # this tests that the result of each fileid_involved calculation 
        # along a revision history selects only the fileids selected by
        # comparing the trees - no less, and no more. This is correct 
        # because in our sample data we do not revert any file ids along
        # the revision history.
        pp=[]
        history = self.branch.revision_history( )

        if len(history) < 2: return

        for start in range(0,len(history)-1):
            start_id = history[start]
            for end in range(start+1,len(history)):
                end_id = history[end]
                old_revs = set(self.branch.repository.get_ancestry(start_id))
                new_revs = set(self.branch.repository.get_ancestry(end_id))
                l1 = self.branch.repository.fileids_altered_by_revision_ids(
                    new_revs.difference(old_revs))
                l1 = set(l1.keys())

                l2 = self.compare_tree_fileids(self.branch, start_id, end_id)
                self.assertEquals(l1, l2)


class TestFileIdInvolvedNonAscii(FileIdInvolvedBase):

    def test_utf8_file_ids_and_revision_ids(self):
        main_wt = self.make_branch_and_tree('main')
        main_branch = main_wt.branch
        self.build_tree(["main/a"])

        file_id = u'a-f\xedle-id'.encode('utf8')
        main_wt.add(['a'], [file_id])
        revision_id = u'r\xe9v-a'.encode('utf8')
        try:
            main_wt.commit('a', rev_id=revision_id)
        except NonAsciiRevisionId:
            raise TestSkipped('non-ascii revision ids not supported by %s'
                              % self.repository_format)

        repo = main_wt.branch.repository
        file_ids = repo.fileids_altered_by_revision_ids([revision_id])
        root_id = main_wt.basis_tree().path2id('')
        if root_id in file_ids:
            self.assertEqual({file_id:set([revision_id]),
                              root_id:set([revision_id])
                             }, file_ids)
        else:
            self.assertEqual({file_id:set([revision_id])}, file_ids)


class TestFileIdInvolvedSuperset(FileIdInvolvedBase):

    def setUp(self):
        super(TestFileIdInvolvedSuperset, self).setUp()

        self.branch = None
        main_wt = self.make_branch_and_tree('main')
        main_branch = main_wt.branch
        self.build_tree(["main/a","main/b","main/c"])

        main_wt.add(['a', 'b', 'c'], ['a-file-id-2006-01-01-abcd',
                                 'b-file-id-2006-01-01-defg',
                                 'c-funky<file-id> quiji\'"%bo'])
        try:
            main_wt.commit("Commit one", rev_id="rev-A")
        except IllegalPath: 
            # TODO: jam 20060701 Consider raising a different exception
            #       newer formats do support this, and nothin can done to 
            #       correct this test - its not a bug.
            if sys.platform == 'win32':
                raise TestSkipped('Old repository formats do not'
                                  ' support file ids with <> on win32')
            # This is not a known error condition
            raise

        branch2_wt = self.make_branch_and_tree('branch2')
        branch2_wt.pull(main_branch)
        branch2_bzrdir = branch2_wt.bzrdir
        branch2_branch = branch2_bzrdir.open_branch()
        set_executability(branch2_wt, 'b', True)
        branch2_wt.commit("branch2, Commit one", rev_id="rev-J")

        main_wt.merge_from_branch(branch2_branch)
        set_executability(main_wt, 'b', False)
        main_wt.commit("merge branch1, rev-22",  rev_id="rev-G")

        # end G
        self.branch = main_branch

    def test_fileid_involved_full_compare2(self):
        # this tests that fileids_alteted_by_revision_ids returns 
        # more information than compare_tree can, because it 
        # sees each change rather than the aggregate delta.
        history = self.branch.revision_history()
        old_rev = history[0]
        new_rev = history[1]
        old_revs = set(self.branch.repository.get_ancestry(old_rev))
        new_revs = set(self.branch.repository.get_ancestry(new_rev))

        l1 = self.branch.repository.fileids_altered_by_revision_ids(
            new_revs.difference(old_revs))
        l1 = set(l1.keys())

        l2 = self.compare_tree_fileids(self.branch, old_rev, new_rev)
        self.assertNotEqual(l2, l1)
        self.assertSubset(l2, l1)


def set_executability(wt, path, executable=True):
    """Set the executable bit for the file at path in the working tree

    os.chmod() doesn't work on windows. But TreeTransform can mark or
    unmark a file as executable.
    """
    file_id = wt.path2id(path)
    tt = TreeTransform(wt)
    try:
        tt.set_executability(executable, tt.trans_id_tree_file_id(file_id))
        tt.apply()
    finally:
        tt.finalize()