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  • Committer: Martin Pool
  • Date: 2011-02-09 08:03:35 UTC
  • mto: This revision was merged to the branch mainline in revision 5663.
  • Revision ID: mbp@sourcefrog.net-20110209080335-0gczvdsr6bzpwho8
Rename _fallback_vfs to _immediate_fallbacks

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# Copyright (C) 2005 by Canonical Ltd
2
 
 
 
1
# Copyright (C) 2005-2011 Canonical Ltd
 
2
#
3
3
# This program is free software; you can redistribute it and/or modify
4
4
# it under the terms of the GNU General Public License as published by
5
5
# the Free Software Foundation; either version 2 of the License, or
6
6
# (at your option) any later version.
7
 
 
 
7
#
8
8
# This program is distributed in the hope that it will be useful,
9
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11
11
# GNU General Public License for more details.
12
 
 
 
12
#
13
13
# You should have received a copy of the GNU General Public License
14
14
# along with this program; if not, write to the Free Software
15
 
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
15
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
16
16
 
17
17
from cStringIO import StringIO
18
18
 
 
19
from bzrlib import (
 
20
    errors,
 
21
    fifo_cache,
 
22
    inventory,
 
23
    xml6,
 
24
    xml7,
 
25
    xml8,
 
26
    )
19
27
from bzrlib.tests import TestCase
20
 
from bzrlib.inventory import Inventory, InventoryEntry
 
28
from bzrlib.inventory import Inventory
21
29
from bzrlib.xml4 import serializer_v4
22
 
from bzrlib.xml5 import serializer_v5
 
30
import bzrlib.xml5
23
31
 
24
32
_working_inventory_v4 = """<inventory file_id="TREE_ROOT">
25
33
<entry file_id="bar-20050901064931-73b4b1138abc9cd2" kind="file" name="bar" parent_id="TREE_ROOT" />
32
40
    inventory_id="mbp@sourcefrog.net-20050905080035-e0439293f8b6b9f9"
33
41
    inventory_sha1="e79c31c1deb64c163cf660fdedd476dd579ffd41"
34
42
    revision_id="mbp@sourcefrog.net-20050905080035-e0439293f8b6b9f9"
35
 
    timestamp="1125907235.211783886"
 
43
    timestamp="1125907235.212"
36
44
    timezone="36000">
37
45
<message>- start splitting code for xml (de)serialization away from objects
38
46
  preparatory to supporting multiple formats by a single library
46
54
_revision_v5 = """<revision committer="Martin Pool &lt;mbp@sourcefrog.net&gt;"
47
55
    inventory_sha1="e79c31c1deb64c163cf660fdedd476dd579ffd41"
48
56
    revision_id="mbp@sourcefrog.net-20050905080035-e0439293f8b6b9f9"
49
 
    timestamp="1125907235.211783886"
 
57
    timestamp="1125907235.212"
50
58
    timezone="36000">
51
59
<message>- start splitting code for xml (de)serialization away from objects
52
60
  preparatory to supporting multiple formats by a single library
57
65
</revision>
58
66
"""
59
67
 
 
68
_revision_v5_utc = """\
 
69
<revision committer="Martin Pool &lt;mbp@sourcefrog.net&gt;"
 
70
    inventory_sha1="e79c31c1deb64c163cf660fdedd476dd579ffd41"
 
71
    revision_id="mbp@sourcefrog.net-20050905080035-e0439293f8b6b9f9"
 
72
    timestamp="1125907235.212"
 
73
    timezone="0">
 
74
<message>- start splitting code for xml (de)serialization away from objects
 
75
  preparatory to supporting multiple formats by a single library
 
76
</message>
 
77
<parents>
 
78
<revision_ref revision_id="mbp@sourcefrog.net-20050905063503-43948f59fa127d92"/>
 
79
</parents>
 
80
</revision>
 
81
"""
 
82
 
60
83
_committed_inv_v5 = """<inventory>
61
 
<file file_id="bar-20050901064931-73b4b1138abc9cd2" 
62
 
      name="bar" parent_id="TREE_ROOT" 
63
 
      revision="mbp@foo-123123"/>
 
84
<file file_id="bar-20050901064931-73b4b1138abc9cd2"
 
85
      name="bar" parent_id="TREE_ROOT"
 
86
      revision="mbp@foo-123123"
 
87
      text_sha1="A" text_size="1"/>
64
88
<directory name="subdir"
65
89
           file_id="foo-20050801201819-4139aa4a272f4250"
66
 
           parent_id="TREE_ROOT" 
 
90
           parent_id="TREE_ROOT"
67
91
           revision="mbp@foo-00"/>
68
 
<file file_id="bar-20050824000535-6bc48cfad47ed134" 
69
 
      name="bar" parent_id="foo-20050801201819-4139aa4a272f4250" 
70
 
      revision="mbp@foo-00"/>
 
92
<file executable="yes" file_id="bar-20050824000535-6bc48cfad47ed134"
 
93
      name="bar" parent_id="foo-20050801201819-4139aa4a272f4250"
 
94
      revision="mbp@foo-00"
 
95
      text_sha1="B" text_size="0"/>
71
96
</inventory>
72
97
"""
73
98
 
74
99
_basis_inv_v5 = """<inventory revision_id="mbp@sourcefrog.net-20050905063503-43948f59fa127d92">
75
 
<file file_id="bar-20050901064931-73b4b1138abc9cd2" 
76
 
      name="bar" parent_id="TREE_ROOT" 
 
100
<file file_id="bar-20050901064931-73b4b1138abc9cd2"
 
101
      name="bar" parent_id="TREE_ROOT"
77
102
      revision="mbp@foo-123123"/>
78
103
<directory name="subdir"
79
104
           file_id="foo-20050801201819-4139aa4a272f4250"
80
 
           parent_id="TREE_ROOT" 
 
105
           parent_id="TREE_ROOT"
81
106
           revision="mbp@foo-00"/>
82
 
<file file_id="bar-20050824000535-6bc48cfad47ed134" 
83
 
      name="bar" parent_id="foo-20050801201819-4139aa4a272f4250" 
 
107
<file file_id="bar-20050824000535-6bc48cfad47ed134"
 
108
      name="bar" parent_id="foo-20050801201819-4139aa4a272f4250"
84
109
      revision="mbp@foo-00"/>
85
110
</inventory>
86
111
"""
87
112
 
 
113
 
 
114
# DO NOT REFLOW THIS. Its the exact revision we want.
 
115
_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">
 
116
<message>- start splitting code for xml (de)serialization away from objects
 
117
  preparatory to supporting multiple formats by a single library
 
118
</message>
 
119
<parents>
 
120
<revision_ref revision_id="mbp@sourcefrog.net-20050905063503-43948f59fa127d92" />
 
121
</parents>
 
122
</revision>
 
123
"""
 
124
 
 
125
 
 
126
# DO NOT REFLOW THIS. Its the exact inventory we want.
 
127
_expected_inv_v5 = """<inventory format="5">
 
128
<file file_id="bar-20050901064931-73b4b1138abc9cd2" name="bar" revision="mbp@foo-123123" text_sha1="A" text_size="1" />
 
129
<directory file_id="foo-20050801201819-4139aa4a272f4250" name="subdir" revision="mbp@foo-00" />
 
130
<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" />
 
131
</inventory>
 
132
"""
 
133
 
 
134
 
 
135
_expected_inv_v5_root = """<inventory file_id="f&lt;" format="5" revision_id="mother!">
 
136
<file file_id="bar-20050901064931-73b4b1138abc9cd2" name="bar" parent_id="f&lt;" revision="mbp@foo-123123" text_sha1="A" text_size="1" />
 
137
<directory file_id="foo-20050801201819-4139aa4a272f4250" name="subdir" parent_id="f&lt;" revision="mbp@foo-00" />
 
138
<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" />
 
139
<symlink file_id="link-1" name="link" parent_id="foo-20050801201819-4139aa4a272f4250" revision="mbp@foo-00" symlink_target="a" />
 
140
</inventory>
 
141
"""
 
142
 
 
143
_expected_inv_v6 = """<inventory format="6" revision_id="rev_outer">
 
144
<directory file_id="tree-root-321" name="" revision="rev_outer" />
 
145
<directory file_id="dir-id" name="dir" parent_id="tree-root-321" revision="rev_outer" />
 
146
<file file_id="file-id" name="file" parent_id="tree-root-321" revision="rev_outer" text_sha1="A" text_size="1" />
 
147
<symlink file_id="link-id" name="link" parent_id="tree-root-321" revision="rev_outer" symlink_target="a" />
 
148
</inventory>
 
149
"""
 
150
 
 
151
_expected_inv_v7 = """<inventory format="7" revision_id="rev_outer">
 
152
<directory file_id="tree-root-321" name="" revision="rev_outer" />
 
153
<directory file_id="dir-id" name="dir" parent_id="tree-root-321" revision="rev_outer" />
 
154
<file file_id="file-id" name="file" parent_id="tree-root-321" revision="rev_outer" text_sha1="A" text_size="1" />
 
155
<symlink file_id="link-id" name="link" parent_id="tree-root-321" revision="rev_outer" symlink_target="a" />
 
156
<tree-reference file_id="nested-id" name="nested" parent_id="tree-root-321" revision="rev_outer" reference_revision="rev_inner" />
 
157
</inventory>
 
158
"""
 
159
 
 
160
_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">
 
161
<message>- start splitting code for xml (de)serialization away from objects
 
162
  preparatory to supporting multiple formats by a single library
 
163
</message>
 
164
<parents>
 
165
<revision_ref revision_id="mbp@sourcefrog.net-20050905063503-43948f59fa127d92" />
 
166
</parents>
 
167
</revision>
 
168
"""
 
169
 
 
170
_expected_inv_v8 = """<inventory format="8" revision_id="rev_outer">
 
171
<directory file_id="tree-root-321" name="" revision="rev_outer" />
 
172
<directory file_id="dir-id" name="dir" parent_id="tree-root-321" revision="rev_outer" />
 
173
<file file_id="file-id" name="file" parent_id="tree-root-321" revision="rev_outer" text_sha1="A" text_size="1" />
 
174
<symlink file_id="link-id" name="link" parent_id="tree-root-321" revision="rev_outer" symlink_target="a" />
 
175
</inventory>
 
176
"""
 
177
 
 
178
_revision_utf8_v5 = """<revision committer="Erik B&#229;gfors &lt;erik@foo.net&gt;"
 
179
    inventory_sha1="e79c31c1deb64c163cf660fdedd476dd579ffd41"
 
180
    revision_id="erik@b&#229;gfors-02"
 
181
    timestamp="1125907235.212"
 
182
    timezone="36000">
 
183
<message>Include &#181;nicode characters
 
184
</message>
 
185
<parents>
 
186
<revision_ref revision_id="erik@b&#229;gfors-01"/>
 
187
</parents>
 
188
</revision>
 
189
"""
 
190
 
 
191
_inventory_utf8_v5 = """<inventory file_id="TRE&#233;_ROOT" format="5"
 
192
                                   revision_id="erik@b&#229;gfors-02">
 
193
<file file_id="b&#229;r-01"
 
194
      name="b&#229;r" parent_id="TRE&#233;_ROOT"
 
195
      revision="erik@b&#229;gfors-01"/>
 
196
<directory name="s&#181;bdir"
 
197
           file_id="s&#181;bdir-01"
 
198
           parent_id="TRE&#233;_ROOT"
 
199
           revision="erik@b&#229;gfors-01"/>
 
200
<file executable="yes" file_id="b&#229;r-02"
 
201
      name="b&#229;r" parent_id="s&#181;bdir-01"
 
202
      revision="erik@b&#229;gfors-02"/>
 
203
</inventory>
 
204
"""
 
205
 
 
206
# Before revision_id was always stored as an attribute
 
207
_inventory_v5a = """<inventory format="5">
 
208
</inventory>
 
209
"""
 
210
 
 
211
# Before revision_id was always stored as an attribute
 
212
_inventory_v5b = """<inventory format="5" revision_id="a-rev-id">
 
213
</inventory>
 
214
"""
 
215
 
 
216
 
88
217
class TestSerializer(TestCase):
89
218
    """Test XML serialization"""
 
219
 
90
220
    def test_canned_inventory(self):
91
221
        """Test unpacked a canned inventory v4 file."""
92
222
        inp = StringIO(_working_inventory_v4)
110
240
    def test_unpack_revision_5(self):
111
241
        """Test unpacking a canned revision v5"""
112
242
        inp = StringIO(_revision_v5)
113
 
        rev = serializer_v5.read_revision(inp)
 
243
        rev = bzrlib.xml5.serializer_v5.read_revision(inp)
114
244
        eq = self.assertEqual
115
245
        eq(rev.committer,
116
246
           "Martin Pool <mbp@sourcefrog.net>")
119
249
        eq(rev.parent_ids[0],
120
250
           "mbp@sourcefrog.net-20050905063503-43948f59fa127d92")
121
251
 
 
252
    def test_unpack_revision_5_utc(self):
 
253
        inp = StringIO(_revision_v5_utc)
 
254
        rev = bzrlib.xml5.serializer_v5.read_revision(inp)
 
255
        eq = self.assertEqual
 
256
        eq(rev.committer,
 
257
           "Martin Pool <mbp@sourcefrog.net>")
 
258
        eq(len(rev.parent_ids), 1)
 
259
        eq(rev.timezone, 0)
 
260
        eq(rev.parent_ids[0],
 
261
           "mbp@sourcefrog.net-20050905063503-43948f59fa127d92")
 
262
 
122
263
    def test_unpack_inventory_5(self):
123
264
        """Unpack canned new-style inventory"""
124
265
        inp = StringIO(_committed_inv_v5)
125
 
        inv = serializer_v5.read_inventory(inp)
 
266
        inv = bzrlib.xml5.serializer_v5.read_inventory(inp)
126
267
        eq = self.assertEqual
127
268
        eq(len(inv), 4)
128
269
        ie = inv['bar-20050824000535-6bc48cfad47ed134']
134
275
    def test_unpack_basis_inventory_5(self):
135
276
        """Unpack canned new-style inventory"""
136
277
        inp = StringIO(_basis_inv_v5)
137
 
        inv = serializer_v5.read_inventory(inp)
 
278
        inv = bzrlib.xml5.serializer_v5.read_inventory(inp)
138
279
        eq = self.assertEqual
139
280
        eq(len(inv), 4)
140
281
        eq(inv.revision_id, 'mbp@sourcefrog.net-20050905063503-43948f59fa127d92')
144
285
        eq(ie.name, 'bar')
145
286
        eq(inv[ie.parent_id].kind, 'directory')
146
287
 
 
288
    def test_unpack_inventory_5a(self):
 
289
        inv = bzrlib.xml5.serializer_v5.read_inventory_from_string(
 
290
                _inventory_v5a, revision_id='test-rev-id')
 
291
        self.assertEqual('test-rev-id', inv.root.revision)
 
292
 
 
293
    def test_unpack_inventory_5a_cache_and_copy(self):
 
294
        # Passing an entry_cache should get populated with the objects
 
295
        # But the returned objects should be copies if return_from_cache is
 
296
        # False
 
297
        entry_cache = fifo_cache.FIFOCache()
 
298
        inv = bzrlib.xml5.serializer_v5.read_inventory_from_string(
 
299
            _inventory_v5a, revision_id='test-rev-id',
 
300
            entry_cache=entry_cache, return_from_cache=False)
 
301
        for entry in inv.iter_just_entries():
 
302
            key = (entry.file_id, entry.revision)
 
303
            if entry.file_id is inv.root.file_id:
 
304
                # The root id is inferred for xml v5
 
305
                self.assertFalse(key in entry_cache)
 
306
            else:
 
307
                self.assertIsNot(entry, entry_cache[key])
 
308
 
 
309
    def test_unpack_inventory_5a_cache_no_copy(self):
 
310
        # Passing an entry_cache should get populated with the objects
 
311
        # The returned objects should be exact if return_from_cache is
 
312
        # True
 
313
        entry_cache = fifo_cache.FIFOCache()
 
314
        inv = bzrlib.xml5.serializer_v5.read_inventory_from_string(
 
315
            _inventory_v5a, revision_id='test-rev-id',
 
316
            entry_cache=entry_cache, return_from_cache=True)
 
317
        for entry in inv.iter_just_entries():
 
318
            key = (entry.file_id, entry.revision)
 
319
            if entry.file_id is inv.root.file_id:
 
320
                # The root id is inferred for xml v5
 
321
                self.assertFalse(key in entry_cache)
 
322
            else:
 
323
                self.assertIs(entry, entry_cache[key])
 
324
 
 
325
    def test_unpack_inventory_5b(self):
 
326
        inv = bzrlib.xml5.serializer_v5.read_inventory_from_string(
 
327
                _inventory_v5b, revision_id='test-rev-id')
 
328
        self.assertEqual('a-rev-id', inv.root.revision)
 
329
 
147
330
    def test_repack_inventory_5(self):
148
331
        inp = StringIO(_committed_inv_v5)
149
 
        inv = serializer_v5.read_inventory(inp)
150
 
        outp = StringIO()
151
 
        serializer_v5.write_inventory(inv, outp)
152
 
        inv2 = serializer_v5.read_inventory(StringIO(outp.getvalue()))
153
 
        self.assertEqual(inv, inv2)
 
332
        inv = bzrlib.xml5.serializer_v5.read_inventory(inp)
 
333
        outp = StringIO()
 
334
        bzrlib.xml5.serializer_v5.write_inventory(inv, outp)
 
335
        self.assertEqualDiff(_expected_inv_v5, outp.getvalue())
 
336
        inv2 = bzrlib.xml5.serializer_v5.read_inventory(StringIO(outp.getvalue()))
 
337
        self.assertEqual(inv, inv2)
 
338
 
 
339
    def assertRoundTrips(self, xml_string):
 
340
        inp = StringIO(xml_string)
 
341
        inv = bzrlib.xml5.serializer_v5.read_inventory(inp)
 
342
        outp = StringIO()
 
343
        bzrlib.xml5.serializer_v5.write_inventory(inv, outp)
 
344
        self.assertEqualDiff(xml_string, outp.getvalue())
 
345
        lines = bzrlib.xml5.serializer_v5.write_inventory_to_lines(inv)
 
346
        outp.seek(0)
 
347
        self.assertEqual(outp.readlines(), lines)
 
348
        inv2 = bzrlib.xml5.serializer_v5.read_inventory(StringIO(outp.getvalue()))
 
349
        self.assertEqual(inv, inv2)
 
350
 
 
351
    def tests_serialize_inventory_v5_with_root(self):
 
352
        self.assertRoundTrips(_expected_inv_v5_root)
 
353
 
 
354
    def check_repack_revision(self, txt):
 
355
        """Check that repacking a revision yields the same information"""
 
356
        inp = StringIO(txt)
 
357
        rev = bzrlib.xml5.serializer_v5.read_revision(inp)
 
358
        outp = StringIO()
 
359
        bzrlib.xml5.serializer_v5.write_revision(rev, outp)
 
360
        outfile_contents = outp.getvalue()
 
361
        rev2 = bzrlib.xml5.serializer_v5.read_revision(StringIO(outfile_contents))
 
362
        self.assertEqual(rev, rev2)
154
363
 
155
364
    def test_repack_revision_5(self):
156
365
        """Round-trip revision to XML v5"""
157
 
        inp = StringIO(_revision_v5)
158
 
        rev = serializer_v5.read_revision(inp)
159
 
        outp = StringIO()
160
 
        serializer_v5.write_revision(rev, outp)
161
 
        outfile_contents = outp.getvalue()
162
 
        rev2 = serializer_v5.read_revision(StringIO(outfile_contents))
163
 
        self.assertEqual(rev, rev2)
 
366
        self.check_repack_revision(_revision_v5)
 
367
 
 
368
    def test_repack_revision_5_utc(self):
 
369
        self.check_repack_revision(_revision_v5_utc)
164
370
 
165
371
    def test_pack_revision_5(self):
166
372
        """Pack revision to XML v5"""
167
373
        # fixed 20051025, revisions should have final newline
168
 
        rev = serializer_v5.read_revision_from_string(_revision_v5)
 
374
        rev = bzrlib.xml5.serializer_v5.read_revision_from_string(_revision_v5)
169
375
        outp = StringIO()
170
 
        serializer_v5.write_revision(rev, outp)
 
376
        bzrlib.xml5.serializer_v5.write_revision(rev, outp)
171
377
        outfile_contents = outp.getvalue()
172
378
        self.assertEqual(outfile_contents[-1], '\n')
173
 
        self.assertEqualDiff(outfile_contents, serializer_v5.write_revision_to_string(rev))
 
379
        self.assertEqualDiff(outfile_contents, bzrlib.xml5.serializer_v5.write_revision_to_string(rev))
 
380
        self.assertEqualDiff(outfile_contents, _expected_rev_v5)
 
381
 
 
382
    def test_empty_property_value(self):
 
383
        """Create an empty property value check that it serializes correctly"""
 
384
        s_v5 = bzrlib.xml5.serializer_v5
 
385
        rev = s_v5.read_revision_from_string(_revision_v5)
 
386
        outp = StringIO()
 
387
        props = {'empty':'', 'one':'one'}
 
388
        rev.properties = props
 
389
        txt = s_v5.write_revision_to_string(rev)
 
390
        new_rev = s_v5.read_revision_from_string(txt)
 
391
        self.assertEqual(props, new_rev.properties)
 
392
 
 
393
    def get_sample_inventory(self):
 
394
        inv = Inventory('tree-root-321', revision_id='rev_outer')
 
395
        inv.add(inventory.InventoryFile('file-id', 'file', 'tree-root-321'))
 
396
        inv.add(inventory.InventoryDirectory('dir-id', 'dir',
 
397
                                             'tree-root-321'))
 
398
        inv.add(inventory.InventoryLink('link-id', 'link', 'tree-root-321'))
 
399
        inv['tree-root-321'].revision = 'rev_outer'
 
400
        inv['dir-id'].revision = 'rev_outer'
 
401
        inv['file-id'].revision = 'rev_outer'
 
402
        inv['file-id'].text_sha1 = 'A'
 
403
        inv['file-id'].text_size = 1
 
404
        inv['link-id'].revision = 'rev_outer'
 
405
        inv['link-id'].symlink_target = 'a'
 
406
        return inv
 
407
 
 
408
    def test_roundtrip_inventory_v7(self):
 
409
        inv = self.get_sample_inventory()
 
410
        inv.add(inventory.TreeReference('nested-id', 'nested', 'tree-root-321',
 
411
                                        'rev_outer', 'rev_inner'))
 
412
        txt = xml7.serializer_v7.write_inventory_to_string(inv)
 
413
        lines = xml7.serializer_v7.write_inventory_to_lines(inv)
 
414
        self.assertEqual(bzrlib.osutils.split_lines(txt), lines)
 
415
        self.assertEqualDiff(_expected_inv_v7, txt)
 
416
        inv2 = xml7.serializer_v7.read_inventory_from_string(txt)
 
417
        self.assertEqual(5, len(inv2))
 
418
        for path, ie in inv.iter_entries():
 
419
            self.assertEqual(ie, inv2[ie.file_id])
 
420
 
 
421
    def test_roundtrip_inventory_v6(self):
 
422
        inv = self.get_sample_inventory()
 
423
        txt = xml6.serializer_v6.write_inventory_to_string(inv)
 
424
        lines = xml6.serializer_v6.write_inventory_to_lines(inv)
 
425
        self.assertEqual(bzrlib.osutils.split_lines(txt), lines)
 
426
        self.assertEqualDiff(_expected_inv_v6, txt)
 
427
        inv2 = xml6.serializer_v6.read_inventory_from_string(txt)
 
428
        self.assertEqual(4, len(inv2))
 
429
        for path, ie in inv.iter_entries():
 
430
            self.assertEqual(ie, inv2[ie.file_id])
 
431
 
 
432
    def test_wrong_format_v7(self):
 
433
        """Can't accidentally open a file with wrong serializer"""
 
434
        s_v6 = bzrlib.xml6.serializer_v6
 
435
        s_v7 = xml7.serializer_v7
 
436
        self.assertRaises(errors.UnexpectedInventoryFormat,
 
437
                          s_v7.read_inventory_from_string, _expected_inv_v5)
 
438
        self.assertRaises(errors.UnexpectedInventoryFormat,
 
439
                          s_v6.read_inventory_from_string, _expected_inv_v7)
 
440
 
 
441
    def test_tree_reference(self):
 
442
        s_v5 = bzrlib.xml5.serializer_v5
 
443
        s_v6 = bzrlib.xml6.serializer_v6
 
444
        s_v7 = xml7.serializer_v7
 
445
        inv = Inventory('tree-root-321', revision_id='rev-outer')
 
446
        inv.root.revision = 'root-rev'
 
447
        inv.add(inventory.TreeReference('nested-id', 'nested', 'tree-root-321',
 
448
                                        'rev-outer', 'rev-inner'))
 
449
        self.assertRaises(errors.UnsupportedInventoryKind,
 
450
                          s_v5.write_inventory_to_string, inv)
 
451
        self.assertRaises(errors.UnsupportedInventoryKind,
 
452
                          s_v6.write_inventory_to_string, inv)
 
453
        txt = s_v7.write_inventory_to_string(inv)
 
454
        lines = s_v7.write_inventory_to_lines(inv)
 
455
        self.assertEqual(bzrlib.osutils.split_lines(txt), lines)
 
456
        inv2 = s_v7.read_inventory_from_string(txt)
 
457
        self.assertEqual('tree-root-321', inv2['nested-id'].parent_id)
 
458
        self.assertEqual('rev-outer', inv2['nested-id'].revision)
 
459
        self.assertEqual('rev-inner', inv2['nested-id'].reference_revision)
 
460
        self.assertRaises(errors.UnsupportedInventoryKind,
 
461
                          s_v6.read_inventory_from_string,
 
462
                          txt.replace('format="7"', 'format="6"'))
 
463
        self.assertRaises(errors.UnsupportedInventoryKind,
 
464
                          s_v5.read_inventory_from_string,
 
465
                          txt.replace('format="7"', 'format="5"'))
 
466
 
 
467
    def test_roundtrip_inventory_v8(self):
 
468
        inv = self.get_sample_inventory()
 
469
        txt = xml8.serializer_v8.write_inventory_to_string(inv)
 
470
        inv2 = xml8.serializer_v8.read_inventory_from_string(txt)
 
471
        self.assertEqual(4, len(inv2))
 
472
        for path, ie in inv.iter_entries():
 
473
            self.assertEqual(ie, inv2[ie.file_id])
 
474
 
 
475
    def test_inventory_text_v8(self):
 
476
        inv = self.get_sample_inventory()
 
477
        txt = xml8.serializer_v8.write_inventory_to_string(inv)
 
478
        lines = xml8.serializer_v8.write_inventory_to_lines(inv)
 
479
        self.assertEqual(bzrlib.osutils.split_lines(txt), lines)
 
480
        self.assertEqualDiff(_expected_inv_v8, txt)
 
481
 
 
482
    def test_revision_text_v6(self):
 
483
        """Pack revision to XML v6"""
 
484
        rev = bzrlib.xml6.serializer_v6.read_revision_from_string(
 
485
            _expected_rev_v5)
 
486
        serialized = bzrlib.xml6.serializer_v6.write_revision_to_string(rev)
 
487
        self.assertEqualDiff(serialized, _expected_rev_v5)
 
488
 
 
489
    def test_revision_text_v7(self):
 
490
        """Pack revision to XML v7"""
 
491
        rev = bzrlib.xml7.serializer_v7.read_revision_from_string(
 
492
            _expected_rev_v5)
 
493
        serialized = bzrlib.xml7.serializer_v7.write_revision_to_string(rev)
 
494
        self.assertEqualDiff(serialized, _expected_rev_v5)
 
495
 
 
496
    def test_revision_text_v8(self):
 
497
        """Pack revision to XML v8"""
 
498
        rev = bzrlib.xml8.serializer_v8.read_revision_from_string(
 
499
            _expected_rev_v8)
 
500
        serialized = bzrlib.xml8.serializer_v8.write_revision_to_string(rev)
 
501
        self.assertEqualDiff(serialized, _expected_rev_v8)
 
502
 
 
503
    def test_revision_ids_are_utf8(self):
 
504
        """Parsed revision_ids should all be utf-8 strings, not unicode."""
 
505
        s_v5 = bzrlib.xml5.serializer_v5
 
506
        rev = s_v5.read_revision_from_string(_revision_utf8_v5)
 
507
        self.assertEqual('erik@b\xc3\xa5gfors-02', rev.revision_id)
 
508
        self.assertIsInstance(rev.revision_id, str)
 
509
        self.assertEqual(['erik@b\xc3\xa5gfors-01'], rev.parent_ids)
 
510
        for parent_id in rev.parent_ids:
 
511
            self.assertIsInstance(parent_id, str)
 
512
        self.assertEqual(u'Include \xb5nicode characters\n', rev.message)
 
513
        self.assertIsInstance(rev.message, unicode)
 
514
 
 
515
        # ie.revision should either be None or a utf-8 revision id
 
516
        inv = s_v5.read_inventory_from_string(_inventory_utf8_v5)
 
517
        rev_id_1 = u'erik@b\xe5gfors-01'.encode('utf8')
 
518
        rev_id_2 = u'erik@b\xe5gfors-02'.encode('utf8')
 
519
        fid_root = u'TRE\xe9_ROOT'.encode('utf8')
 
520
        fid_bar1 = u'b\xe5r-01'.encode('utf8')
 
521
        fid_sub = u's\xb5bdir-01'.encode('utf8')
 
522
        fid_bar2 = u'b\xe5r-02'.encode('utf8')
 
523
        expected = [(u'', fid_root, None, rev_id_2),
 
524
                    (u'b\xe5r', fid_bar1, fid_root, rev_id_1),
 
525
                    (u's\xb5bdir', fid_sub, fid_root, rev_id_1),
 
526
                    (u's\xb5bdir/b\xe5r', fid_bar2, fid_sub, rev_id_2),
 
527
                   ]
 
528
        self.assertEqual(rev_id_2, inv.revision_id)
 
529
        self.assertIsInstance(inv.revision_id, str)
 
530
 
 
531
        actual = list(inv.iter_entries_by_dir())
 
532
        for ((exp_path, exp_file_id, exp_parent_id, exp_rev_id),
 
533
             (act_path, act_ie)) in zip(expected, actual):
 
534
            self.assertEqual(exp_path, act_path)
 
535
            self.assertIsInstance(act_path, unicode)
 
536
            self.assertEqual(exp_file_id, act_ie.file_id)
 
537
            self.assertIsInstance(act_ie.file_id, str)
 
538
            self.assertEqual(exp_parent_id, act_ie.parent_id)
 
539
            if exp_parent_id is not None:
 
540
                self.assertIsInstance(act_ie.parent_id, str)
 
541
            self.assertEqual(exp_rev_id, act_ie.revision)
 
542
            if exp_rev_id is not None:
 
543
                self.assertIsInstance(act_ie.revision, str)
 
544
 
 
545
        self.assertEqual(len(expected), len(actual))
 
546
 
 
547
 
 
548
class TestEncodeAndEscape(TestCase):
 
549
    """Whitebox testing of the _encode_and_escape function."""
 
550
 
 
551
    def setUp(self):
 
552
        TestCase.setUp(self)
 
553
        # Keep the cache clear before and after the test
 
554
        bzrlib.xml8._ensure_utf8_re()
 
555
        bzrlib.xml8._clear_cache()
 
556
        self.addCleanup(bzrlib.xml8._clear_cache)
 
557
 
 
558
    def test_simple_ascii(self):
 
559
        # _encode_and_escape always appends a final ", because these parameters
 
560
        # are being used in xml attributes, and by returning it now, we have to
 
561
        # do fewer string operations later.
 
562
        val = bzrlib.xml8._encode_and_escape('foo bar')
 
563
        self.assertEqual('foo bar"', val)
 
564
        # The second time should be cached
 
565
        val2 = bzrlib.xml8._encode_and_escape('foo bar')
 
566
        self.assertIs(val2, val)
 
567
 
 
568
    def test_ascii_with_xml(self):
 
569
        self.assertEqual('&amp;&apos;&quot;&lt;&gt;"',
 
570
                         bzrlib.xml8._encode_and_escape('&\'"<>'))
 
571
 
 
572
    def test_utf8_with_xml(self):
 
573
        # u'\xb5\xe5&\u062c'
 
574
        utf8_str = '\xc2\xb5\xc3\xa5&\xd8\xac'
 
575
        self.assertEqual('&#181;&#229;&amp;&#1580;"',
 
576
                         bzrlib.xml8._encode_and_escape(utf8_str))
 
577
 
 
578
    def test_unicode(self):
 
579
        uni_str = u'\xb5\xe5&\u062c'
 
580
        self.assertEqual('&#181;&#229;&amp;&#1580;"',
 
581
                         bzrlib.xml8._encode_and_escape(uni_str))