~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
322
323
324
325
326
327
328
329
330
331
# Copyright (C) 2006-2010 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

"""Tests for weave repositories.

For interface tests see tests/per_repository/*.py.

"""

from __future__ import absolute_import

from cStringIO import StringIO
from stat import S_ISDIR
import sys

from bzrlib.bzrdir import (
    BzrDirMetaFormat1,
    )
from bzrlib.errors import (
    IllegalPath,
    NoSuchFile,
    )
from bzrlib.repository import (
    InterRepository,
    Repository,
    )
from bzrlib.serializer import (
    format_registry as serializer_format_registry,
    )
from bzrlib.tests import (
    TestCase,
    TestCaseWithTransport,
    )

from bzrlib.plugins.weave_fmt import xml4
from bzrlib.plugins.weave_fmt.bzrdir import (
    BzrDirFormat6,
    )
from bzrlib.plugins.weave_fmt.repository import (
    InterWeaveRepo,
    RepositoryFormat4,
    RepositoryFormat5,
    RepositoryFormat6,
    RepositoryFormat7,
    )


class TestFormat6(TestCaseWithTransport):

    def test_attribute__fetch_order(self):
        """Weaves need topological data insertion."""
        control = BzrDirFormat6().initialize(self.get_url())
        repo = RepositoryFormat6().initialize(control)
        self.assertEqual('topological', repo._format._fetch_order)

    def test_attribute__fetch_uses_deltas(self):
        """Weaves do not reuse deltas."""
        control = BzrDirFormat6().initialize(self.get_url())
        repo = RepositoryFormat6().initialize(control)
        self.assertEqual(False, repo._format._fetch_uses_deltas)

    def test_attribute__fetch_reconcile(self):
        """Weave repositories need a reconcile after fetch."""
        control = BzrDirFormat6().initialize(self.get_url())
        repo = RepositoryFormat6().initialize(control)
        self.assertEqual(True, repo._format._fetch_reconcile)

    def test_no_ancestry_weave(self):
        control = BzrDirFormat6().initialize(self.get_url())
        repo = RepositoryFormat6().initialize(control)
        # We no longer need to create the ancestry.weave file
        # since it is *never* used.
        self.assertRaises(NoSuchFile,
                          control.transport.get,
                          'ancestry.weave')

    def test_supports_external_lookups(self):
        control = BzrDirFormat6().initialize(self.get_url())
        repo = RepositoryFormat6().initialize(control)
        self.assertFalse(repo._format.supports_external_lookups)




class TestFormat7(TestCaseWithTransport):

    def test_attribute__fetch_order(self):
        """Weaves need topological data insertion."""
        control = BzrDirMetaFormat1().initialize(self.get_url())
        repo = RepositoryFormat7().initialize(control)
        self.assertEqual('topological', repo._format._fetch_order)

    def test_attribute__fetch_uses_deltas(self):
        """Weaves do not reuse deltas."""
        control = BzrDirMetaFormat1().initialize(self.get_url())
        repo = RepositoryFormat7().initialize(control)
        self.assertEqual(False, repo._format._fetch_uses_deltas)

    def test_attribute__fetch_reconcile(self):
        """Weave repositories need a reconcile after fetch."""
        control = BzrDirMetaFormat1().initialize(self.get_url())
        repo = RepositoryFormat7().initialize(control)
        self.assertEqual(True, repo._format._fetch_reconcile)

    def test_disk_layout(self):
        control = BzrDirMetaFormat1().initialize(self.get_url())
        repo = RepositoryFormat7().initialize(control)
        # in case of side effects of locking.
        repo.lock_write()
        repo.unlock()
        # we want:
        # format 'Bazaar-NG Repository format 7'
        # lock ''
        # inventory.weave == empty_weave
        # empty revision-store directory
        # empty weaves directory
        t = control.get_repository_transport(None)
        self.assertEqualDiff('Bazaar-NG Repository format 7',
                             t.get('format').read())
        self.assertTrue(S_ISDIR(t.stat('revision-store').st_mode))
        self.assertTrue(S_ISDIR(t.stat('weaves').st_mode))
        self.assertEqualDiff('# bzr weave file v5\n'
                             'w\n'
                             'W\n',
                             t.get('inventory.weave').read())
        # Creating a file with id Foo:Bar results in a non-escaped file name on
        # disk.
        control.create_branch()
        tree = control.create_workingtree()
        tree.add(['foo'], ['Foo:Bar'], ['file'])
        tree.put_file_bytes_non_atomic('Foo:Bar', 'content\n')
        try:
            tree.commit('first post', rev_id='first')
        except IllegalPath:
            if sys.platform != 'win32':
                raise
            self.knownFailure('Foo:Bar cannot be used as a file-id on windows'
                              ' in repo format 7')
            return
        self.assertEqualDiff(
            '# bzr weave file v5\n'
            'i\n'
            '1 7fe70820e08a1aac0ef224d9c66ab66831cc4ab1\n'
            'n first\n'
            '\n'
            'w\n'
            '{ 0\n'
            '. content\n'
            '}\n'
            'W\n',
            t.get('weaves/74/Foo%3ABar.weave').read())

    def test_shared_disk_layout(self):
        control = BzrDirMetaFormat1().initialize(self.get_url())
        repo = RepositoryFormat7().initialize(control, shared=True)
        # we want:
        # format 'Bazaar-NG Repository format 7'
        # inventory.weave == empty_weave
        # empty revision-store directory
        # empty weaves directory
        # a 'shared-storage' marker file.
        # lock is not present when unlocked
        t = control.get_repository_transport(None)
        self.assertEqualDiff('Bazaar-NG Repository format 7',
                             t.get('format').read())
        self.assertEqualDiff('', t.get('shared-storage').read())
        self.assertTrue(S_ISDIR(t.stat('revision-store').st_mode))
        self.assertTrue(S_ISDIR(t.stat('weaves').st_mode))
        self.assertEqualDiff('# bzr weave file v5\n'
                             'w\n'
                             'W\n',
                             t.get('inventory.weave').read())
        self.assertFalse(t.has('branch-lock'))

    def test_creates_lockdir(self):
        """Make sure it appears to be controlled by a LockDir existence"""
        control = BzrDirMetaFormat1().initialize(self.get_url())
        repo = RepositoryFormat7().initialize(control, shared=True)
        t = control.get_repository_transport(None)
        # TODO: Should check there is a 'lock' toplevel directory,
        # regardless of contents
        self.assertFalse(t.has('lock/held/info'))
        repo.lock_write()
        try:
            self.assertTrue(t.has('lock/held/info'))
        finally:
            # unlock so we don't get a warning about failing to do so
            repo.unlock()

    def test_uses_lockdir(self):
        """repo format 7 actually locks on lockdir"""
        base_url = self.get_url()
        control = BzrDirMetaFormat1().initialize(base_url)
        repo = RepositoryFormat7().initialize(control, shared=True)
        t = control.get_repository_transport(None)
        repo.lock_write()
        repo.unlock()
        del repo
        # make sure the same lock is created by opening it
        repo = Repository.open(base_url)
        repo.lock_write()
        self.assertTrue(t.has('lock/held/info'))
        repo.unlock()
        self.assertFalse(t.has('lock/held/info'))

    def test_shared_no_tree_disk_layout(self):
        control = BzrDirMetaFormat1().initialize(self.get_url())
        repo = RepositoryFormat7().initialize(control, shared=True)
        repo.set_make_working_trees(False)
        # we want:
        # format 'Bazaar-NG Repository format 7'
        # lock ''
        # inventory.weave == empty_weave
        # empty revision-store directory
        # empty weaves directory
        # a 'shared-storage' marker file.
        t = control.get_repository_transport(None)
        self.assertEqualDiff('Bazaar-NG Repository format 7',
                             t.get('format').read())
        ## self.assertEqualDiff('', t.get('lock').read())
        self.assertEqualDiff('', t.get('shared-storage').read())
        self.assertEqualDiff('', t.get('no-working-trees').read())
        repo.set_make_working_trees(True)
        self.assertFalse(t.has('no-working-trees'))
        self.assertTrue(S_ISDIR(t.stat('revision-store').st_mode))
        self.assertTrue(S_ISDIR(t.stat('weaves').st_mode))
        self.assertEqualDiff('# bzr weave file v5\n'
                             'w\n'
                             'W\n',
                             t.get('inventory.weave').read())

    def test_supports_external_lookups(self):
        control = BzrDirMetaFormat1().initialize(self.get_url())
        repo = RepositoryFormat7().initialize(control)
        self.assertFalse(repo._format.supports_external_lookups)


class TestInterWeaveRepo(TestCaseWithTransport):

    def test_is_compatible_and_registered(self):
        # InterWeaveRepo is compatible when either side
        # is a format 5/6/7 branch
        from bzrlib.repofmt import knitrepo
        formats = [RepositoryFormat5(),
                   RepositoryFormat6(),
                   RepositoryFormat7()]
        incompatible_formats = [RepositoryFormat4(),
                                knitrepo.RepositoryFormatKnit1(),
                                ]
        repo_a = self.make_repository('a')
        repo_b = self.make_repository('b')
        is_compatible = InterWeaveRepo.is_compatible
        for source in incompatible_formats:
            # force incompatible left then right
            repo_a._format = source
            repo_b._format = formats[0]
            self.assertFalse(is_compatible(repo_a, repo_b))
            self.assertFalse(is_compatible(repo_b, repo_a))
        for source in formats:
            repo_a._format = source
            for target in formats:
                repo_b._format = target
                self.assertTrue(is_compatible(repo_a, repo_b))
        self.assertEqual(InterWeaveRepo,
                         InterRepository.get(repo_a, repo_b).__class__)


_working_inventory_v4 = """<inventory file_id="TREE_ROOT">
<entry file_id="bar-20050901064931-73b4b1138abc9cd2" kind="file" name="bar" parent_id="TREE_ROOT" />
<entry file_id="foo-20050801201819-4139aa4a272f4250" kind="directory" name="foo" parent_id="TREE_ROOT" />
<entry file_id="bar-20050824000535-6bc48cfad47ed134" kind="file" name="bar" parent_id="foo-20050801201819-4139aa4a272f4250" />
</inventory>"""


_revision_v4 = """<revision committer="Martin Pool &lt;mbp@sourcefrog.net&gt;"
    inventory_id="mbp@sourcefrog.net-20050905080035-e0439293f8b6b9f9"
    inventory_sha1="e79c31c1deb64c163cf660fdedd476dd579ffd41"
    revision_id="mbp@sourcefrog.net-20050905080035-e0439293f8b6b9f9"
    timestamp="1125907235.212"
    timezone="36000">
<message>- start splitting code for xml (de)serialization away from objects
  preparatory to supporting multiple formats by a single library
</message>
<parents>
<revision_ref revision_id="mbp@sourcefrog.net-20050905063503-43948f59fa127d92" revision_sha1="7bdf4cc8c5bdac739f8cf9b10b78cf4b68f915ff" />
</parents>
</revision>
"""


class TestSerializer(TestCase):
    """Test serializer"""

    def test_registry(self):
        self.assertIs(xml4.serializer_v4,
                      serializer_format_registry.get('4'))

    def test_canned_inventory(self):
        """Test unpacked a canned inventory v4 file."""
        inp = StringIO(_working_inventory_v4)
        inv = xml4.serializer_v4.read_inventory(inp)
        self.assertEqual(len(inv), 4)
        self.assert_(inv.has_id('bar-20050901064931-73b4b1138abc9cd2'))

    def test_unpack_revision(self):
        """Test unpacking a canned revision v4"""
        inp = StringIO(_revision_v4)
        rev = xml4.serializer_v4.read_revision(inp)
        eq = self.assertEqual
        eq(rev.committer,
           "Martin Pool <mbp@sourcefrog.net>")
        eq(rev.inventory_id,
           "mbp@sourcefrog.net-20050905080035-e0439293f8b6b9f9")
        eq(len(rev.parent_ids), 1)
        eq(rev.parent_ids[0],
           "mbp@sourcefrog.net-20050905063503-43948f59fa127d92")