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  • Committer: Ian Clatworthy
  • Date: 2009-03-02 06:35:43 UTC
  • mto: (0.23.30 groupcompress_rabin)
  • mto: This revision was merged to the branch mainline in revision 4280.
  • Revision ID: ian.clatworthy@canonical.com-20090302063543-czciz25uppelwhv0
groupcompress.py code cleanups

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1
 
# Copyright (C) 2005-2010 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
 
from cStringIO import StringIO
18
 
 
19
 
from bzrlib import (
20
 
    errors,
21
 
    fifo_cache,
22
 
    inventory,
23
 
    xml6,
24
 
    xml7,
25
 
    xml8,
26
 
    serializer,
27
 
    )
28
 
from bzrlib.tests import TestCase
29
 
from bzrlib.inventory import Inventory, InventoryEntry
30
 
from bzrlib.xml4 import serializer_v4
31
 
import bzrlib.xml5
32
 
 
33
 
_working_inventory_v4 = """<inventory file_id="TREE_ROOT">
34
 
<entry file_id="bar-20050901064931-73b4b1138abc9cd2" kind="file" name="bar" parent_id="TREE_ROOT" />
35
 
<entry file_id="foo-20050801201819-4139aa4a272f4250" kind="directory" name="foo" parent_id="TREE_ROOT" />
36
 
<entry file_id="bar-20050824000535-6bc48cfad47ed134" kind="file" name="bar" parent_id="foo-20050801201819-4139aa4a272f4250" />
37
 
</inventory>"""
38
 
 
39
 
 
40
 
_revision_v4 = """<revision committer="Martin Pool &lt;mbp@sourcefrog.net&gt;"
41
 
    inventory_id="mbp@sourcefrog.net-20050905080035-e0439293f8b6b9f9"
42
 
    inventory_sha1="e79c31c1deb64c163cf660fdedd476dd579ffd41"
43
 
    revision_id="mbp@sourcefrog.net-20050905080035-e0439293f8b6b9f9"
44
 
    timestamp="1125907235.212"
45
 
    timezone="36000">
46
 
<message>- start splitting code for xml (de)serialization away from objects
47
 
  preparatory to supporting multiple formats by a single library
48
 
</message>
49
 
<parents>
50
 
<revision_ref revision_id="mbp@sourcefrog.net-20050905063503-43948f59fa127d92" revision_sha1="7bdf4cc8c5bdac739f8cf9b10b78cf4b68f915ff" />
51
 
</parents>
52
 
</revision>
53
 
"""
54
 
 
55
 
_revision_v5 = """<revision committer="Martin Pool &lt;mbp@sourcefrog.net&gt;"
56
 
    inventory_sha1="e79c31c1deb64c163cf660fdedd476dd579ffd41"
57
 
    revision_id="mbp@sourcefrog.net-20050905080035-e0439293f8b6b9f9"
58
 
    timestamp="1125907235.212"
59
 
    timezone="36000">
60
 
<message>- start splitting code for xml (de)serialization away from objects
61
 
  preparatory to supporting multiple formats by a single library
62
 
</message>
63
 
<parents>
64
 
<revision_ref revision_id="mbp@sourcefrog.net-20050905063503-43948f59fa127d92"/>
65
 
</parents>
66
 
</revision>
67
 
"""
68
 
 
69
 
_revision_v5_utc = """\
70
 
<revision committer="Martin Pool &lt;mbp@sourcefrog.net&gt;"
71
 
    inventory_sha1="e79c31c1deb64c163cf660fdedd476dd579ffd41"
72
 
    revision_id="mbp@sourcefrog.net-20050905080035-e0439293f8b6b9f9"
73
 
    timestamp="1125907235.212"
74
 
    timezone="0">
75
 
<message>- start splitting code for xml (de)serialization away from objects
76
 
  preparatory to supporting multiple formats by a single library
77
 
</message>
78
 
<parents>
79
 
<revision_ref revision_id="mbp@sourcefrog.net-20050905063503-43948f59fa127d92"/>
80
 
</parents>
81
 
</revision>
82
 
"""
83
 
 
84
 
_committed_inv_v5 = """<inventory>
85
 
<file file_id="bar-20050901064931-73b4b1138abc9cd2"
86
 
      name="bar" parent_id="TREE_ROOT"
87
 
      revision="mbp@foo-123123"
88
 
      text_sha1="A" text_size="1"/>
89
 
<directory name="subdir"
90
 
           file_id="foo-20050801201819-4139aa4a272f4250"
91
 
           parent_id="TREE_ROOT"
92
 
           revision="mbp@foo-00"/>
93
 
<file executable="yes" file_id="bar-20050824000535-6bc48cfad47ed134"
94
 
      name="bar" parent_id="foo-20050801201819-4139aa4a272f4250"
95
 
      revision="mbp@foo-00"
96
 
      text_sha1="B" text_size="0"/>
97
 
</inventory>
98
 
"""
99
 
 
100
 
_basis_inv_v5 = """<inventory revision_id="mbp@sourcefrog.net-20050905063503-43948f59fa127d92">
101
 
<file file_id="bar-20050901064931-73b4b1138abc9cd2"
102
 
      name="bar" parent_id="TREE_ROOT"
103
 
      revision="mbp@foo-123123"/>
104
 
<directory name="subdir"
105
 
           file_id="foo-20050801201819-4139aa4a272f4250"
106
 
           parent_id="TREE_ROOT"
107
 
           revision="mbp@foo-00"/>
108
 
<file file_id="bar-20050824000535-6bc48cfad47ed134"
109
 
      name="bar" parent_id="foo-20050801201819-4139aa4a272f4250"
110
 
      revision="mbp@foo-00"/>
111
 
</inventory>
112
 
"""
113
 
 
114
 
 
115
 
# DO NOT REFLOW THIS. Its the exact revision we want.
116
 
_expected_rev_v5 = """<revision committer="Martin Pool &lt;mbp@sourcefrog.net&gt;" format="5" inventory_sha1="e79c31c1deb64c163cf660fdedd476dd579ffd41" revision_id="mbp@sourcefrog.net-20050905080035-e0439293f8b6b9f9" timestamp="1125907235.212" timezone="36000">
117
 
<message>- start splitting code for xml (de)serialization away from objects
118
 
  preparatory to supporting multiple formats by a single library
119
 
</message>
120
 
<parents>
121
 
<revision_ref revision_id="mbp@sourcefrog.net-20050905063503-43948f59fa127d92" />
122
 
</parents>
123
 
</revision>
124
 
"""
125
 
 
126
 
 
127
 
# DO NOT REFLOW THIS. Its the exact inventory we want.
128
 
_expected_inv_v5 = """<inventory format="5">
129
 
<file file_id="bar-20050901064931-73b4b1138abc9cd2" name="bar" revision="mbp@foo-123123" text_sha1="A" text_size="1" />
130
 
<directory file_id="foo-20050801201819-4139aa4a272f4250" name="subdir" revision="mbp@foo-00" />
131
 
<file executable="yes" file_id="bar-20050824000535-6bc48cfad47ed134" name="bar" parent_id="foo-20050801201819-4139aa4a272f4250" revision="mbp@foo-00" text_sha1="B" text_size="0" />
132
 
</inventory>
133
 
"""
134
 
 
135
 
 
136
 
_expected_inv_v5_root = """<inventory file_id="f&lt;" format="5" revision_id="mother!">
137
 
<file file_id="bar-20050901064931-73b4b1138abc9cd2" name="bar" parent_id="f&lt;" revision="mbp@foo-123123" text_sha1="A" text_size="1" />
138
 
<directory file_id="foo-20050801201819-4139aa4a272f4250" name="subdir" parent_id="f&lt;" revision="mbp@foo-00" />
139
 
<file executable="yes" file_id="bar-20050824000535-6bc48cfad47ed134" name="bar" parent_id="foo-20050801201819-4139aa4a272f4250" revision="mbp@foo-00" text_sha1="B" text_size="0" />
140
 
<symlink file_id="link-1" name="link" parent_id="foo-20050801201819-4139aa4a272f4250" revision="mbp@foo-00" symlink_target="a" />
141
 
</inventory>
142
 
"""
143
 
 
144
 
_expected_inv_v6 = """<inventory format="6" revision_id="rev_outer">
145
 
<directory file_id="tree-root-321" name="" revision="rev_outer" />
146
 
<directory file_id="dir-id" name="dir" parent_id="tree-root-321" revision="rev_outer" />
147
 
<file file_id="file-id" name="file" parent_id="tree-root-321" revision="rev_outer" text_sha1="A" text_size="1" />
148
 
<symlink file_id="link-id" name="link" parent_id="tree-root-321" revision="rev_outer" symlink_target="a" />
149
 
</inventory>
150
 
"""
151
 
 
152
 
_expected_inv_v7 = """<inventory format="7" revision_id="rev_outer">
153
 
<directory file_id="tree-root-321" name="" revision="rev_outer" />
154
 
<directory file_id="dir-id" name="dir" parent_id="tree-root-321" revision="rev_outer" />
155
 
<file file_id="file-id" name="file" parent_id="tree-root-321" revision="rev_outer" text_sha1="A" text_size="1" />
156
 
<symlink file_id="link-id" name="link" parent_id="tree-root-321" revision="rev_outer" symlink_target="a" />
157
 
<tree-reference file_id="nested-id" name="nested" parent_id="tree-root-321" revision="rev_outer" reference_revision="rev_inner" />
158
 
</inventory>
159
 
"""
160
 
 
161
 
_expected_rev_v8 = """<revision committer="Martin Pool &lt;mbp@sourcefrog.net&gt;" format="8" inventory_sha1="e79c31c1deb64c163cf660fdedd476dd579ffd41" revision_id="mbp@sourcefrog.net-20050905080035-e0439293f8b6b9f9" timestamp="1125907235.212" timezone="36000">
162
 
<message>- start splitting code for xml (de)serialization away from objects
163
 
  preparatory to supporting multiple formats by a single library
164
 
</message>
165
 
<parents>
166
 
<revision_ref revision_id="mbp@sourcefrog.net-20050905063503-43948f59fa127d92" />
167
 
</parents>
168
 
</revision>
169
 
"""
170
 
 
171
 
_expected_inv_v8 = """<inventory format="8" revision_id="rev_outer">
172
 
<directory file_id="tree-root-321" name="" revision="rev_outer" />
173
 
<directory file_id="dir-id" name="dir" parent_id="tree-root-321" revision="rev_outer" />
174
 
<file file_id="file-id" name="file" parent_id="tree-root-321" revision="rev_outer" text_sha1="A" text_size="1" />
175
 
<symlink file_id="link-id" name="link" parent_id="tree-root-321" revision="rev_outer" symlink_target="a" />
176
 
</inventory>
177
 
"""
178
 
 
179
 
_revision_utf8_v5 = """<revision committer="Erik B&#229;gfors &lt;erik@foo.net&gt;"
180
 
    inventory_sha1="e79c31c1deb64c163cf660fdedd476dd579ffd41"
181
 
    revision_id="erik@b&#229;gfors-02"
182
 
    timestamp="1125907235.212"
183
 
    timezone="36000">
184
 
<message>Include &#181;nicode characters
185
 
</message>
186
 
<parents>
187
 
<revision_ref revision_id="erik@b&#229;gfors-01"/>
188
 
</parents>
189
 
</revision>
190
 
"""
191
 
 
192
 
_inventory_utf8_v5 = """<inventory file_id="TRE&#233;_ROOT" format="5"
193
 
                                   revision_id="erik@b&#229;gfors-02">
194
 
<file file_id="b&#229;r-01"
195
 
      name="b&#229;r" parent_id="TRE&#233;_ROOT"
196
 
      revision="erik@b&#229;gfors-01"/>
197
 
<directory name="s&#181;bdir"
198
 
           file_id="s&#181;bdir-01"
199
 
           parent_id="TRE&#233;_ROOT"
200
 
           revision="erik@b&#229;gfors-01"/>
201
 
<file executable="yes" file_id="b&#229;r-02"
202
 
      name="b&#229;r" parent_id="s&#181;bdir-01"
203
 
      revision="erik@b&#229;gfors-02"/>
204
 
</inventory>
205
 
"""
206
 
 
207
 
# Before revision_id was always stored as an attribute
208
 
_inventory_v5a = """<inventory format="5">
209
 
</inventory>
210
 
"""
211
 
 
212
 
# Before revision_id was always stored as an attribute
213
 
_inventory_v5b = """<inventory format="5" revision_id="a-rev-id">
214
 
</inventory>
215
 
"""
216
 
 
217
 
 
218
 
class TestSerializer(TestCase):
219
 
    """Test XML serialization"""
220
 
 
221
 
    def test_canned_inventory(self):
222
 
        """Test unpacked a canned inventory v4 file."""
223
 
        inp = StringIO(_working_inventory_v4)
224
 
        inv = serializer_v4.read_inventory(inp)
225
 
        self.assertEqual(len(inv), 4)
226
 
        self.assert_('bar-20050901064931-73b4b1138abc9cd2' in inv)
227
 
 
228
 
    def test_unpack_revision(self):
229
 
        """Test unpacking a canned revision v4"""
230
 
        inp = StringIO(_revision_v4)
231
 
        rev = serializer_v4.read_revision(inp)
232
 
        eq = self.assertEqual
233
 
        eq(rev.committer,
234
 
           "Martin Pool <mbp@sourcefrog.net>")
235
 
        eq(rev.inventory_id,
236
 
           "mbp@sourcefrog.net-20050905080035-e0439293f8b6b9f9")
237
 
        eq(len(rev.parent_ids), 1)
238
 
        eq(rev.parent_ids[0],
239
 
           "mbp@sourcefrog.net-20050905063503-43948f59fa127d92")
240
 
 
241
 
    def test_unpack_revision_5(self):
242
 
        """Test unpacking a canned revision v5"""
243
 
        inp = StringIO(_revision_v5)
244
 
        rev = bzrlib.xml5.serializer_v5.read_revision(inp)
245
 
        eq = self.assertEqual
246
 
        eq(rev.committer,
247
 
           "Martin Pool <mbp@sourcefrog.net>")
248
 
        eq(len(rev.parent_ids), 1)
249
 
        eq(rev.timezone, 36000)
250
 
        eq(rev.parent_ids[0],
251
 
           "mbp@sourcefrog.net-20050905063503-43948f59fa127d92")
252
 
 
253
 
    def test_unpack_revision_5_utc(self):
254
 
        inp = StringIO(_revision_v5_utc)
255
 
        rev = bzrlib.xml5.serializer_v5.read_revision(inp)
256
 
        eq = self.assertEqual
257
 
        eq(rev.committer,
258
 
           "Martin Pool <mbp@sourcefrog.net>")
259
 
        eq(len(rev.parent_ids), 1)
260
 
        eq(rev.timezone, 0)
261
 
        eq(rev.parent_ids[0],
262
 
           "mbp@sourcefrog.net-20050905063503-43948f59fa127d92")
263
 
 
264
 
    def test_unpack_inventory_5(self):
265
 
        """Unpack canned new-style inventory"""
266
 
        inp = StringIO(_committed_inv_v5)
267
 
        inv = bzrlib.xml5.serializer_v5.read_inventory(inp)
268
 
        eq = self.assertEqual
269
 
        eq(len(inv), 4)
270
 
        ie = inv['bar-20050824000535-6bc48cfad47ed134']
271
 
        eq(ie.kind, 'file')
272
 
        eq(ie.revision, 'mbp@foo-00')
273
 
        eq(ie.name, 'bar')
274
 
        eq(inv[ie.parent_id].kind, 'directory')
275
 
 
276
 
    def test_unpack_basis_inventory_5(self):
277
 
        """Unpack canned new-style inventory"""
278
 
        inp = StringIO(_basis_inv_v5)
279
 
        inv = bzrlib.xml5.serializer_v5.read_inventory(inp)
280
 
        eq = self.assertEqual
281
 
        eq(len(inv), 4)
282
 
        eq(inv.revision_id, 'mbp@sourcefrog.net-20050905063503-43948f59fa127d92')
283
 
        ie = inv['bar-20050824000535-6bc48cfad47ed134']
284
 
        eq(ie.kind, 'file')
285
 
        eq(ie.revision, 'mbp@foo-00')
286
 
        eq(ie.name, 'bar')
287
 
        eq(inv[ie.parent_id].kind, 'directory')
288
 
 
289
 
    def test_unpack_inventory_5a(self):
290
 
        inv = bzrlib.xml5.serializer_v5.read_inventory_from_string(
291
 
                _inventory_v5a, revision_id='test-rev-id')
292
 
        self.assertEqual('test-rev-id', inv.root.revision)
293
 
 
294
 
    def test_unpack_inventory_5a_cache_and_copy(self):
295
 
        # Passing an entry_cache should get populated with the objects
296
 
        # But the returned objects should be copies if return_from_cache is
297
 
        # False
298
 
        entry_cache = fifo_cache.FIFOCache()
299
 
        inv = bzrlib.xml5.serializer_v5.read_inventory_from_string(
300
 
            _inventory_v5a, revision_id='test-rev-id',
301
 
            entry_cache=entry_cache, return_from_cache=False)
302
 
        for entry in inv.iter_just_entries():
303
 
            key = (entry.file_id, entry.revision)
304
 
            if entry.file_id is inv.root.file_id:
305
 
                # The root id is inferred for xml v5
306
 
                self.assertFalse(key in entry_cache)
307
 
            else:
308
 
                self.assertIsNot(entry, entry_cache[key])
309
 
 
310
 
    def test_unpack_inventory_5a_cache_no_copy(self):
311
 
        # Passing an entry_cache should get populated with the objects
312
 
        # The returned objects should be exact if return_from_cache is
313
 
        # True
314
 
        entry_cache = fifo_cache.FIFOCache()
315
 
        inv = bzrlib.xml5.serializer_v5.read_inventory_from_string(
316
 
            _inventory_v5a, revision_id='test-rev-id',
317
 
            entry_cache=entry_cache, return_from_cache=True)
318
 
        for entry in inv.iter_just_entries():
319
 
            key = (entry.file_id, entry.revision)
320
 
            if entry.file_id is inv.root.file_id:
321
 
                # The root id is inferred for xml v5
322
 
                self.assertFalse(key in entry_cache)
323
 
            else:
324
 
                self.assertIs(entry, entry_cache[key])
325
 
 
326
 
    def test_unpack_inventory_5b(self):
327
 
        inv = bzrlib.xml5.serializer_v5.read_inventory_from_string(
328
 
                _inventory_v5b, revision_id='test-rev-id')
329
 
        self.assertEqual('a-rev-id', inv.root.revision)
330
 
 
331
 
    def test_repack_inventory_5(self):
332
 
        inp = StringIO(_committed_inv_v5)
333
 
        inv = bzrlib.xml5.serializer_v5.read_inventory(inp)
334
 
        outp = StringIO()
335
 
        bzrlib.xml5.serializer_v5.write_inventory(inv, outp)
336
 
        self.assertEqualDiff(_expected_inv_v5, outp.getvalue())
337
 
        inv2 = bzrlib.xml5.serializer_v5.read_inventory(StringIO(outp.getvalue()))
338
 
        self.assertEqual(inv, inv2)
339
 
 
340
 
    def assertRoundTrips(self, xml_string):
341
 
        inp = StringIO(xml_string)
342
 
        inv = bzrlib.xml5.serializer_v5.read_inventory(inp)
343
 
        outp = StringIO()
344
 
        bzrlib.xml5.serializer_v5.write_inventory(inv, outp)
345
 
        self.assertEqualDiff(xml_string, outp.getvalue())
346
 
        lines = bzrlib.xml5.serializer_v5.write_inventory_to_lines(inv)
347
 
        outp.seek(0)
348
 
        self.assertEqual(outp.readlines(), lines)
349
 
        inv2 = bzrlib.xml5.serializer_v5.read_inventory(StringIO(outp.getvalue()))
350
 
        self.assertEqual(inv, inv2)
351
 
 
352
 
    def tests_serialize_inventory_v5_with_root(self):
353
 
        self.assertRoundTrips(_expected_inv_v5_root)
354
 
 
355
 
    def check_repack_revision(self, txt):
356
 
        """Check that repacking a revision yields the same information"""
357
 
        inp = StringIO(txt)
358
 
        rev = bzrlib.xml5.serializer_v5.read_revision(inp)
359
 
        outp = StringIO()
360
 
        bzrlib.xml5.serializer_v5.write_revision(rev, outp)
361
 
        outfile_contents = outp.getvalue()
362
 
        rev2 = bzrlib.xml5.serializer_v5.read_revision(StringIO(outfile_contents))
363
 
        self.assertEqual(rev, rev2)
364
 
 
365
 
    def test_repack_revision_5(self):
366
 
        """Round-trip revision to XML v5"""
367
 
        self.check_repack_revision(_revision_v5)
368
 
 
369
 
    def test_repack_revision_5_utc(self):
370
 
        self.check_repack_revision(_revision_v5_utc)
371
 
 
372
 
    def test_pack_revision_5(self):
373
 
        """Pack revision to XML v5"""
374
 
        # fixed 20051025, revisions should have final newline
375
 
        rev = bzrlib.xml5.serializer_v5.read_revision_from_string(_revision_v5)
376
 
        outp = StringIO()
377
 
        bzrlib.xml5.serializer_v5.write_revision(rev, outp)
378
 
        outfile_contents = outp.getvalue()
379
 
        self.assertEqual(outfile_contents[-1], '\n')
380
 
        self.assertEqualDiff(outfile_contents, bzrlib.xml5.serializer_v5.write_revision_to_string(rev))
381
 
        self.assertEqualDiff(outfile_contents, _expected_rev_v5)
382
 
 
383
 
    def test_empty_property_value(self):
384
 
        """Create an empty property value check that it serializes correctly"""
385
 
        s_v5 = bzrlib.xml5.serializer_v5
386
 
        rev = s_v5.read_revision_from_string(_revision_v5)
387
 
        outp = StringIO()
388
 
        props = {'empty':'', 'one':'one'}
389
 
        rev.properties = props
390
 
        txt = s_v5.write_revision_to_string(rev)
391
 
        new_rev = s_v5.read_revision_from_string(txt)
392
 
        self.assertEqual(props, new_rev.properties)
393
 
 
394
 
    def get_sample_inventory(self):
395
 
        inv = Inventory('tree-root-321', revision_id='rev_outer')
396
 
        inv.add(inventory.InventoryFile('file-id', 'file', 'tree-root-321'))
397
 
        inv.add(inventory.InventoryDirectory('dir-id', 'dir',
398
 
                                             'tree-root-321'))
399
 
        inv.add(inventory.InventoryLink('link-id', 'link', 'tree-root-321'))
400
 
        inv['tree-root-321'].revision = 'rev_outer'
401
 
        inv['dir-id'].revision = 'rev_outer'
402
 
        inv['file-id'].revision = 'rev_outer'
403
 
        inv['file-id'].text_sha1 = 'A'
404
 
        inv['file-id'].text_size = 1
405
 
        inv['link-id'].revision = 'rev_outer'
406
 
        inv['link-id'].symlink_target = 'a'
407
 
        return inv
408
 
 
409
 
    def test_roundtrip_inventory_v7(self):
410
 
        inv = self.get_sample_inventory()
411
 
        inv.add(inventory.TreeReference('nested-id', 'nested', 'tree-root-321',
412
 
                                        'rev_outer', 'rev_inner'))
413
 
        txt = xml7.serializer_v7.write_inventory_to_string(inv)
414
 
        lines = xml7.serializer_v7.write_inventory_to_lines(inv)
415
 
        self.assertEqual(bzrlib.osutils.split_lines(txt), lines)
416
 
        self.assertEqualDiff(_expected_inv_v7, txt)
417
 
        inv2 = xml7.serializer_v7.read_inventory_from_string(txt)
418
 
        self.assertEqual(5, len(inv2))
419
 
        for path, ie in inv.iter_entries():
420
 
            self.assertEqual(ie, inv2[ie.file_id])
421
 
 
422
 
    def test_roundtrip_inventory_v6(self):
423
 
        inv = self.get_sample_inventory()
424
 
        txt = xml6.serializer_v6.write_inventory_to_string(inv)
425
 
        lines = xml6.serializer_v6.write_inventory_to_lines(inv)
426
 
        self.assertEqual(bzrlib.osutils.split_lines(txt), lines)
427
 
        self.assertEqualDiff(_expected_inv_v6, txt)
428
 
        inv2 = xml6.serializer_v6.read_inventory_from_string(txt)
429
 
        self.assertEqual(4, len(inv2))
430
 
        for path, ie in inv.iter_entries():
431
 
            self.assertEqual(ie, inv2[ie.file_id])
432
 
 
433
 
    def test_wrong_format_v7(self):
434
 
        """Can't accidentally open a file with wrong serializer"""
435
 
        s_v6 = bzrlib.xml6.serializer_v6
436
 
        s_v7 = xml7.serializer_v7
437
 
        self.assertRaises(errors.UnexpectedInventoryFormat,
438
 
                          s_v7.read_inventory_from_string, _expected_inv_v5)
439
 
        self.assertRaises(errors.UnexpectedInventoryFormat,
440
 
                          s_v6.read_inventory_from_string, _expected_inv_v7)
441
 
 
442
 
    def test_tree_reference(self):
443
 
        s_v5 = bzrlib.xml5.serializer_v5
444
 
        s_v6 = bzrlib.xml6.serializer_v6
445
 
        s_v7 = xml7.serializer_v7
446
 
        inv = Inventory('tree-root-321', revision_id='rev-outer')
447
 
        inv.root.revision = 'root-rev'
448
 
        inv.add(inventory.TreeReference('nested-id', 'nested', 'tree-root-321',
449
 
                                        'rev-outer', 'rev-inner'))
450
 
        self.assertRaises(errors.UnsupportedInventoryKind,
451
 
                          s_v5.write_inventory_to_string, inv)
452
 
        self.assertRaises(errors.UnsupportedInventoryKind,
453
 
                          s_v6.write_inventory_to_string, inv)
454
 
        txt = s_v7.write_inventory_to_string(inv)
455
 
        lines = s_v7.write_inventory_to_lines(inv)
456
 
        self.assertEqual(bzrlib.osutils.split_lines(txt), lines)
457
 
        inv2 = s_v7.read_inventory_from_string(txt)
458
 
        self.assertEqual('tree-root-321', inv2['nested-id'].parent_id)
459
 
        self.assertEqual('rev-outer', inv2['nested-id'].revision)
460
 
        self.assertEqual('rev-inner', inv2['nested-id'].reference_revision)
461
 
        self.assertRaises(errors.UnsupportedInventoryKind,
462
 
                          s_v6.read_inventory_from_string,
463
 
                          txt.replace('format="7"', 'format="6"'))
464
 
        self.assertRaises(errors.UnsupportedInventoryKind,
465
 
                          s_v5.read_inventory_from_string,
466
 
                          txt.replace('format="7"', 'format="5"'))
467
 
 
468
 
    def test_roundtrip_inventory_v8(self):
469
 
        inv = self.get_sample_inventory()
470
 
        txt = xml8.serializer_v8.write_inventory_to_string(inv)
471
 
        inv2 = xml8.serializer_v8.read_inventory_from_string(txt)
472
 
        self.assertEqual(4, len(inv2))
473
 
        for path, ie in inv.iter_entries():
474
 
            self.assertEqual(ie, inv2[ie.file_id])
475
 
 
476
 
    def test_inventory_text_v8(self):
477
 
        inv = self.get_sample_inventory()
478
 
        txt = xml8.serializer_v8.write_inventory_to_string(inv)
479
 
        lines = xml8.serializer_v8.write_inventory_to_lines(inv)
480
 
        self.assertEqual(bzrlib.osutils.split_lines(txt), lines)
481
 
        self.assertEqualDiff(_expected_inv_v8, txt)
482
 
 
483
 
    def test_revision_text_v6(self):
484
 
        """Pack revision to XML v6"""
485
 
        rev = bzrlib.xml6.serializer_v6.read_revision_from_string(
486
 
            _expected_rev_v5)
487
 
        serialized = bzrlib.xml6.serializer_v6.write_revision_to_string(rev)
488
 
        self.assertEqualDiff(serialized, _expected_rev_v5)
489
 
 
490
 
    def test_revision_text_v7(self):
491
 
        """Pack revision to XML v7"""
492
 
        rev = bzrlib.xml7.serializer_v7.read_revision_from_string(
493
 
            _expected_rev_v5)
494
 
        serialized = bzrlib.xml7.serializer_v7.write_revision_to_string(rev)
495
 
        self.assertEqualDiff(serialized, _expected_rev_v5)
496
 
 
497
 
    def test_revision_text_v8(self):
498
 
        """Pack revision to XML v8"""
499
 
        rev = bzrlib.xml8.serializer_v8.read_revision_from_string(
500
 
            _expected_rev_v8)
501
 
        serialized = bzrlib.xml8.serializer_v8.write_revision_to_string(rev)
502
 
        self.assertEqualDiff(serialized, _expected_rev_v8)
503
 
 
504
 
    def test_revision_ids_are_utf8(self):
505
 
        """Parsed revision_ids should all be utf-8 strings, not unicode."""
506
 
        s_v5 = bzrlib.xml5.serializer_v5
507
 
        rev = s_v5.read_revision_from_string(_revision_utf8_v5)
508
 
        self.assertEqual('erik@b\xc3\xa5gfors-02', rev.revision_id)
509
 
        self.assertIsInstance(rev.revision_id, str)
510
 
        self.assertEqual(['erik@b\xc3\xa5gfors-01'], rev.parent_ids)
511
 
        for parent_id in rev.parent_ids:
512
 
            self.assertIsInstance(parent_id, str)
513
 
        self.assertEqual(u'Include \xb5nicode characters\n', rev.message)
514
 
        self.assertIsInstance(rev.message, unicode)
515
 
 
516
 
        # ie.revision should either be None or a utf-8 revision id
517
 
        inv = s_v5.read_inventory_from_string(_inventory_utf8_v5)
518
 
        rev_id_1 = u'erik@b\xe5gfors-01'.encode('utf8')
519
 
        rev_id_2 = u'erik@b\xe5gfors-02'.encode('utf8')
520
 
        fid_root = u'TRE\xe9_ROOT'.encode('utf8')
521
 
        fid_bar1 = u'b\xe5r-01'.encode('utf8')
522
 
        fid_sub = u's\xb5bdir-01'.encode('utf8')
523
 
        fid_bar2 = u'b\xe5r-02'.encode('utf8')
524
 
        expected = [(u'', fid_root, None, rev_id_2),
525
 
                    (u'b\xe5r', fid_bar1, fid_root, rev_id_1),
526
 
                    (u's\xb5bdir', fid_sub, fid_root, rev_id_1),
527
 
                    (u's\xb5bdir/b\xe5r', fid_bar2, fid_sub, rev_id_2),
528
 
                   ]
529
 
        self.assertEqual(rev_id_2, inv.revision_id)
530
 
        self.assertIsInstance(inv.revision_id, str)
531
 
 
532
 
        actual = list(inv.iter_entries_by_dir())
533
 
        for ((exp_path, exp_file_id, exp_parent_id, exp_rev_id),
534
 
             (act_path, act_ie)) in zip(expected, actual):
535
 
            self.assertEqual(exp_path, act_path)
536
 
            self.assertIsInstance(act_path, unicode)
537
 
            self.assertEqual(exp_file_id, act_ie.file_id)
538
 
            self.assertIsInstance(act_ie.file_id, str)
539
 
            self.assertEqual(exp_parent_id, act_ie.parent_id)
540
 
            if exp_parent_id is not None:
541
 
                self.assertIsInstance(act_ie.parent_id, str)
542
 
            self.assertEqual(exp_rev_id, act_ie.revision)
543
 
            if exp_rev_id is not None:
544
 
                self.assertIsInstance(act_ie.revision, str)
545
 
 
546
 
        self.assertEqual(len(expected), len(actual))
547
 
 
548
 
 
549
 
class TestEncodeAndEscape(TestCase):
550
 
    """Whitebox testing of the _encode_and_escape function."""
551
 
 
552
 
    def setUp(self):
553
 
        TestCase.setUp(self)
554
 
        # Keep the cache clear before and after the test
555
 
        bzrlib.xml8._ensure_utf8_re()
556
 
        bzrlib.xml8._clear_cache()
557
 
        self.addCleanup(bzrlib.xml8._clear_cache)
558
 
 
559
 
    def test_simple_ascii(self):
560
 
        # _encode_and_escape always appends a final ", because these parameters
561
 
        # are being used in xml attributes, and by returning it now, we have to
562
 
        # do fewer string operations later.
563
 
        val = bzrlib.xml8._encode_and_escape('foo bar')
564
 
        self.assertEqual('foo bar"', val)
565
 
        # The second time should be cached
566
 
        val2 = bzrlib.xml8._encode_and_escape('foo bar')
567
 
        self.assertIs(val2, val)
568
 
 
569
 
    def test_ascii_with_xml(self):
570
 
        self.assertEqual('&amp;&apos;&quot;&lt;&gt;"',
571
 
                         bzrlib.xml8._encode_and_escape('&\'"<>'))
572
 
 
573
 
    def test_utf8_with_xml(self):
574
 
        # u'\xb5\xe5&\u062c'
575
 
        utf8_str = '\xc2\xb5\xc3\xa5&\xd8\xac'
576
 
        self.assertEqual('&#181;&#229;&amp;&#1580;"',
577
 
                         bzrlib.xml8._encode_and_escape(utf8_str))
578
 
 
579
 
    def test_unicode(self):
580
 
        uni_str = u'\xb5\xe5&\u062c'
581
 
        self.assertEqual('&#181;&#229;&amp;&#1580;"',
582
 
                         bzrlib.xml8._encode_and_escape(uni_str))