This file is indexed.

/usr/share/pyshared/obnamlib/metadata_tests.py is in obnam 0.24.1-1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  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
# Copyright (C) 2009  Lars Wirzenius
#
# 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 3 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, see <http://www.gnu.org/licenses/>.


import os
import stat
import tempfile
import unittest

import obnamlib


class FakeFS(object):

    def __init__(self):
        self.st_atime_sec = 1
        self.st_atime_nsec = 11
        self.st_blocks = 2
        self.st_dev = 3
        self.st_gid = 4
        self.st_ino = 5
        self.st_mode = 6
        self.st_mtime_sec = 7
        self.st_mtime_nsec = 71
        self.st_nlink = 8
        self.st_size = 9
        self.st_uid = 10
        self.groupname = 'group'
        self.username = 'user'
        self.target = 'target'

    def lstat(self, filename):
        return self

    def readlink(self, filename):
        return 'target'

    def getpwuid(self, uid):
        return (self.username, None, self.st_uid, self.st_gid, 
                None, None, None)
    
    def getgrgid(self, gid):
        return (self.groupname, None, self.st_gid, None)

    def fail_getpwuid(self, uid):
        raise KeyError(uid)
    
    def fail_getgrgid(self, gid):
        raise KeyError(gid)

    def llistxattr(self, filename):
        return []


class MetadataTests(unittest.TestCase):

    def test_sets_mtime_from_kwarg(self):
        metadata = obnamlib.Metadata(st_mtime_sec=123)
        self.assertEqual(metadata.st_mtime_sec, 123)

    def test_isdir_returns_false_for_regular_file(self):
        metadata = obnamlib.Metadata(st_mode=stat.S_IFREG)
        self.assertFalse(metadata.isdir())

    def test_isdir_returns_true_for_directory(self):
        metadata = obnamlib.Metadata(st_mode=stat.S_IFDIR)
        self.assert_(metadata.isdir())

    def test_isdir_returns_false_when_st_mode_is_not_set(self):
        metadata = obnamlib.Metadata()
        self.assertFalse(metadata.isdir())

    def test_islink_returns_false_for_regular_file(self):
        metadata = obnamlib.Metadata(st_mode=stat.S_IFREG)
        self.assertFalse(metadata.islink())

    def test_islink_returns_true_for_symlink(self):
        metadata = obnamlib.Metadata(st_mode=stat.S_IFLNK)
        self.assert_(metadata.islink())

    def test_islink_returns_false_when_st_mode_is_not_set(self):
        metadata = obnamlib.Metadata()
        self.assertFalse(metadata.islink())

    def test_isfile_returns_true_for_regular_file(self):
        metadata = obnamlib.Metadata(st_mode=stat.S_IFREG)
        self.assert_(metadata.isfile())

    def test_isfile_returns_false_when_st_mode_is_not_set(self):
        metadata = obnamlib.Metadata()
        self.assertFalse(metadata.isfile())

    def test_has_no_md5_by_default(self):
        metadata = obnamlib.Metadata()
        self.assertEqual(metadata.md5, None)

    def test_sets_md5(self):
        metadata = obnamlib.Metadata(md5='checksum')
        self.assertEqual(metadata.md5, 'checksum')

    def test_is_equal_to_itself(self):
        metadata = obnamlib.Metadata(st_mode=stat.S_IFREG)
        self.assertEqual(metadata, metadata)

    def test_less_than_works(self):
        m1 = obnamlib.Metadata(st_size=1)
        m2 = obnamlib.Metadata(st_size=2)
        self.assert_(m1 < m2)

    def test_greater_than_works(self):
        m1 = obnamlib.Metadata(st_size=1)
        m2 = obnamlib.Metadata(st_size=2)
        self.assert_(m2 > m1)


class ReadMetadataTests(unittest.TestCase):

    def setUp(self):
        self.fakefs = FakeFS()

    def test_returns_stat_fields_correctly(self):
        metadata = obnamlib.read_metadata(self.fakefs, 'foo', 
                                          getpwuid=self.fakefs.getpwuid,
                                          getgrgid=self.fakefs.getgrgid)
        fields = ['st_atime_sec','st_atime_nsec', 'st_blocks', 'st_dev', 
                  'st_gid', 'st_ino', 'st_mode', 'st_mtime_sec', 
                  'st_mtime_nsec', 'st_nlink', 'st_size', 'st_uid',
                  'groupname', 'username']
        for field in fields:
            self.assertEqual(getattr(metadata, field),
                             getattr(self.fakefs, field),
                             field)

    def test_returns_symlink_fields_correctly(self):
        self.fakefs.st_mode |= stat.S_IFLNK;
        metadata = obnamlib.read_metadata(self.fakefs, 'foo', 
                                          getpwuid=self.fakefs.getpwuid,
                                          getgrgid=self.fakefs.getgrgid)
        fields = ['st_mode', 'target']
        for field in fields:
            self.assertEqual(getattr(metadata, field),
                             getattr(self.fakefs, field),
                             field)

    def test_reads_username_as_None_if_lookup_fails(self):
        metadata = obnamlib.read_metadata(self.fakefs, 'foo',
                                          getpwuid=self.fakefs.fail_getpwuid,
                                          getgrgid=self.fakefs.fail_getgrgid)
        self.assertEqual(metadata.username, None)


class SetMetadataTests(unittest.TestCase):

    def setUp(self):
        self.metadata = obnamlib.Metadata()
        self.metadata.st_atime_sec = 12765
        self.metadata.st_atime_nsec = 0
        self.metadata.st_mode = 42 | stat.S_IFREG
        self.metadata.st_mtime_sec = 10**9
        self.metadata.st_mtime_nsec = 0
        self.metadata.st_uid = 1234
        self.metadata.st_gid = 5678
        
        fd, self.filename = tempfile.mkstemp()
        os.close(fd)
        
        self.fs = obnamlib.LocalFS('/')
        self.fs.connect()

        self.uid_set = None
        self.gid_set = None
        self.fs.lchown = self.fake_lchown

        obnamlib.set_metadata(self.fs, self.filename, self.metadata)
        
        self.st = os.stat(self.filename)
        
    def tearDown(self):
        self.fs.close()
        os.remove(self.filename)

    def fake_lchown(self, filename, uid, gid):
        self.uid_set = uid
        self.gid_set = gid
        
    def test_sets_atime(self):
        self.assertEqual(self.st.st_atime, self.metadata.st_atime_sec)

    def test_sets_mode(self):
        self.assertEqual(self.st.st_mode, self.metadata.st_mode)

    def test_sets_mtime(self):
        self.assertEqual(self.st.st_mtime, self.metadata.st_mtime_sec)

    def test_does_not_set_uid_when_not_running_as_root(self):
        self.assertEqual(self.st.st_uid, os.getuid())

    def test_does_not_set_gid_when_not_running_as_root(self):
        self.assertEqual(self.st.st_gid, os.getgid())

    def test_sets_uid_when_running_as_root(self):
        obnamlib.set_metadata(self.fs, self.filename, self.metadata,
                              getuid=lambda: 0)
        self.assertEqual(self.uid_set, self.metadata.st_uid)

    def test_sets_gid_when_running_as_root(self):
        obnamlib.set_metadata(self.fs, self.filename, self.metadata,
                              getuid=lambda: 0)
        self.assertEqual(self.gid_set, self.metadata.st_gid)

    def test_sets_symlink_target(self):
        self.fs.remove(self.filename)
        self.metadata.st_mode = 0777 | stat.S_IFLNK;
        self.metadata.target = 'target'
        obnamlib.set_metadata(self.fs, self.filename, self.metadata)
        self.assertEqual(self.fs.readlink(self.filename), 'target')

    def test_sets_symlink_mtime_perms(self):
        self.fs.remove(self.filename)
        self.metadata.st_mode = 0777 | stat.S_IFLNK;
        self.metadata.target = 'target'
        obnamlib.set_metadata(self.fs, self.filename, self.metadata)
        st = os.lstat(self.filename)
        self.assertEqual(st.st_mode, self.metadata.st_mode)
        self.assertEqual(st.st_mtime, self.metadata.st_mtime_sec)


class MetadataCodingTests(unittest.TestCase):

    def test_round_trip(self):
        metadata = obnamlib.metadata.Metadata(st_mode=1, 
                                              st_mtime_sec=2, 
                                              st_mtime_nsec=12756,
                                              st_nlink=3,
                                              st_size=4, 
                                              st_uid=5, 
                                              st_blocks=6, 
                                              st_dev=7,
                                              st_gid=8, 
                                              st_ino=9,  
                                              st_atime_sec=10, 
                                              st_atime_nsec=123, 
                                              groupname='group',
                                              username='user',
                                              target='target',
                                              md5='checksum')
        encoded = obnamlib.encode_metadata(metadata)
        decoded = obnamlib.decode_metadata(encoded)
        for name in dir(metadata):
            if name in obnamlib.metadata.metadata_fields:
                self.assertEqual(getattr(metadata, name), 
                                 getattr(decoded, name),
                                 'attribute %s must be equal (%s vs %s)' % 
                                    (name, getattr(metadata, name),
                                     getattr(decoded, name)))

    def test_round_trip_for_None_values(self):
        metadata = obnamlib.metadata.Metadata()
        encoded = obnamlib.encode_metadata(metadata)
        decoded = obnamlib.decode_metadata(encoded)
        for name in dir(metadata):
            if name in obnamlib.metadata.metadata_fields:
                self.assertEqual(getattr(decoded, name), None,
                                 'attribute %s must be None' % name)