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tests/test_mapping.py
 
1
# Copyright (C) 2007 Jelmer Vernooij <jelmer@samba.org>
 
2
# -*- encoding: utf-8 -*-
 
3
#
 
4
# This program is free software; you can redistribute it and/or modify
 
5
# it under the terms of the GNU General Public License as published by
 
6
# the Free Software Foundation; either version 2 of the License, or
 
7
# (at your option) any later version.
 
8
#
 
9
# This program is distributed in the hope that it will be useful,
 
10
# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
11
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
12
# GNU General Public License for more details.
 
13
#
 
14
# You should have received a copy of the GNU General Public License
 
15
# along with this program; if not, write to the Free Software
 
16
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
17
 
 
18
from ....bzr.inventory import (
 
19
    InventoryDirectory,
 
20
    InventoryFile,
 
21
    )
 
22
from ....revision import (
 
23
    Revision,
 
24
    )
 
25
 
 
26
from dulwich.objects import (
 
27
    Blob,
 
28
    Commit,
 
29
    Tree,
 
30
    parse_timezone,
 
31
    )
 
32
 
 
33
from .. import tests
 
34
from ..errors import UnknownCommitExtra
 
35
from ..mapping import (
 
36
    BzrGitMappingv1,
 
37
    directory_to_tree,
 
38
    escape_file_id,
 
39
    unescape_file_id,
 
40
    )
 
41
 
 
42
 
 
43
class TestRevidConversionV1(tests.TestCase):
 
44
 
 
45
    def test_simple_git_to_bzr_revision_id(self):
 
46
        self.assertEqual("git-v1:"
 
47
                         "c6a4d8f1fa4ac650748e647c4b1b368f589a7356",
 
48
                         BzrGitMappingv1().revision_id_foreign_to_bzr(
 
49
                            "c6a4d8f1fa4ac650748e647c4b1b368f589a7356"))
 
50
 
 
51
    def test_simple_bzr_to_git_revision_id(self):
 
52
        self.assertEqual(("c6a4d8f1fa4ac650748e647c4b1b368f589a7356", 
 
53
                         BzrGitMappingv1()),
 
54
                         BzrGitMappingv1().revision_id_bzr_to_foreign(
 
55
                            "git-v1:"
 
56
                            "c6a4d8f1fa4ac650748e647c4b1b368f589a7356"))
 
57
 
 
58
    def test_is_control_file(self):
 
59
        mapping = BzrGitMappingv1()
 
60
        if mapping.roundtripping:
 
61
            self.assertTrue(mapping.is_control_file(".bzrdummy"))
 
62
            self.assertTrue(mapping.is_control_file(".bzrfileids"))
 
63
        self.assertFalse(mapping.is_control_file(".bzrfoo"))
 
64
 
 
65
    def test_generate_file_id(self):
 
66
        mapping = BzrGitMappingv1()
 
67
        self.assertIsInstance(mapping.generate_file_id("la"), str)
 
68
        self.assertIsInstance(mapping.generate_file_id(u"é"), str)
 
69
 
 
70
 
 
71
class FileidTests(tests.TestCase):
 
72
 
 
73
    def test_escape_space(self):
 
74
        self.assertEquals("bla_s", escape_file_id("bla "))
 
75
 
 
76
    def test_escape_control_l(self):
 
77
        self.assertEquals("bla_c", escape_file_id("bla\x0c"))
 
78
 
 
79
    def test_unescape_control_l(self):
 
80
        self.assertEquals("bla\x0c", unescape_file_id("bla_c"))
 
81
 
 
82
    def test_escape_underscore(self):
 
83
        self.assertEquals("bla__", escape_file_id("bla_"))
 
84
 
 
85
    def test_escape_underscore_space(self):
 
86
        self.assertEquals("bla___s", escape_file_id("bla_ "))
 
87
 
 
88
    def test_unescape_underscore(self):
 
89
        self.assertEquals("bla ", unescape_file_id("bla_s"))
 
90
 
 
91
    def test_unescape_underscore_space(self):
 
92
        self.assertEquals("bla _", unescape_file_id("bla_s__"))
 
93
 
 
94
 
 
95
class TestImportCommit(tests.TestCase):
 
96
 
 
97
    def test_commit(self):
 
98
        c = Commit()
 
99
        c.tree = "cc9462f7f8263ef5adfbeff2fb936bb36b504cba"
 
100
        c.message = "Some message"
 
101
        c.committer = "Committer"
 
102
        c.commit_time = 4
 
103
        c.author_time = 5
 
104
        c.commit_timezone = 60 * 5
 
105
        c.author_timezone = 60 * 3
 
106
        c.author = "Author"
 
107
        mapping = BzrGitMappingv1()
 
108
        rev, roundtrip_revid, verifiers = mapping.import_commit(c,
 
109
            mapping.revision_id_foreign_to_bzr)
 
110
        self.assertEquals(None, roundtrip_revid)
 
111
        self.assertEquals({}, verifiers)
 
112
        self.assertEquals("Some message", rev.message)
 
113
        self.assertEquals("Committer", rev.committer)
 
114
        self.assertEquals("Author", rev.properties['author'])
 
115
        self.assertEquals(300, rev.timezone)
 
116
        self.assertEquals((), rev.parent_ids)
 
117
        self.assertEquals("5", rev.properties['author-timestamp'])
 
118
        self.assertEquals("180", rev.properties['author-timezone'])
 
119
        self.assertEquals("git-v1:" + c.id, rev.revision_id)
 
120
 
 
121
    def test_explicit_encoding(self):
 
122
        c = Commit()
 
123
        c.tree = "cc9462f7f8263ef5adfbeff2fb936bb36b504cba"
 
124
        c.message = "Some message"
 
125
        c.committer = "Committer"
 
126
        c.commit_time = 4
 
127
        c.author_time = 5
 
128
        c.commit_timezone = 60 * 5
 
129
        c.author_timezone = 60 * 3
 
130
        c.author = u"Authér".encode("iso8859-1")
 
131
        c.encoding = "iso8859-1"
 
132
        mapping = BzrGitMappingv1()
 
133
        rev, roundtrip_revid, verifiers = mapping.import_commit(c,
 
134
            mapping.revision_id_foreign_to_bzr)
 
135
        self.assertEquals(None, roundtrip_revid)
 
136
        self.assertEquals({}, verifiers)
 
137
        self.assertEquals(u"Authér", rev.properties['author'])
 
138
        self.assertEquals("iso8859-1", rev.properties["git-explicit-encoding"])
 
139
        self.assertTrue("git-implicit-encoding" not in rev.properties)
 
140
 
 
141
    def test_implicit_encoding_fallback(self):
 
142
        c = Commit()
 
143
        c.tree = "cc9462f7f8263ef5adfbeff2fb936bb36b504cba"
 
144
        c.message = "Some message"
 
145
        c.committer = "Committer"
 
146
        c.commit_time = 4
 
147
        c.author_time = 5
 
148
        c.commit_timezone = 60 * 5
 
149
        c.author_timezone = 60 * 3
 
150
        c.author = u"Authér".encode("latin1")
 
151
        mapping = BzrGitMappingv1()
 
152
        rev, roundtrip_revid, verifiers = mapping.import_commit(c,
 
153
            mapping.revision_id_foreign_to_bzr)
 
154
        self.assertEquals(None, roundtrip_revid)
 
155
        self.assertEquals({}, verifiers)
 
156
        self.assertEquals(u"Authér", rev.properties['author'])
 
157
        self.assertEquals("latin1", rev.properties["git-implicit-encoding"])
 
158
        self.assertTrue("git-explicit-encoding" not in rev.properties)
 
159
 
 
160
    def test_implicit_encoding_utf8(self):
 
161
        c = Commit()
 
162
        c.tree = "cc9462f7f8263ef5adfbeff2fb936bb36b504cba"
 
163
        c.message = "Some message"
 
164
        c.committer = "Committer"
 
165
        c.commit_time = 4
 
166
        c.author_time = 5
 
167
        c.commit_timezone = 60 * 5
 
168
        c.author_timezone = 60 * 3
 
169
        c.author = u"Authér".encode("utf-8")
 
170
        mapping = BzrGitMappingv1()
 
171
        rev, roundtrip_revid, verifiers = mapping.import_commit(c,
 
172
            mapping.revision_id_foreign_to_bzr)
 
173
        self.assertEquals(None, roundtrip_revid)
 
174
        self.assertEquals({}, verifiers)
 
175
        self.assertEquals(u"Authér", rev.properties['author'])
 
176
        self.assertTrue("git-explicit-encoding" not in rev.properties)
 
177
        self.assertTrue("git-implicit-encoding" not in rev.properties)
 
178
 
 
179
    def test_unknown_extra(self):
 
180
        c = Commit()
 
181
        c.tree = "cc9462f7f8263ef5adfbeff2fb936bb36b504cba"
 
182
        c.message = "Some message"
 
183
        c.committer = "Committer"
 
184
        c.commit_time = 4
 
185
        c.author_time = 5
 
186
        c.commit_timezone = 60 * 5
 
187
        c.author_timezone = 60 * 3
 
188
        c.author = "Author"
 
189
        c._extra.append(("iamextra", "foo"))
 
190
        mapping = BzrGitMappingv1()
 
191
        self.assertRaises(UnknownCommitExtra, mapping.import_commit, c,
 
192
            mapping.revision_id_foreign_to_bzr)
 
193
 
 
194
 
 
195
class RoundtripRevisionsFromBazaar(tests.TestCase):
 
196
 
 
197
    def setUp(self):
 
198
        super(RoundtripRevisionsFromBazaar, self).setUp()
 
199
        self.mapping = BzrGitMappingv1()
 
200
        self._parent_map = {}
 
201
        self._lookup_parent = self._parent_map.__getitem__
 
202
 
 
203
    def assertRoundtripRevision(self, orig_rev):
 
204
        commit = self.mapping.export_commit(orig_rev, "mysha",
 
205
            self._lookup_parent, True, "testamentsha")
 
206
        rev, roundtrip_revid, verifiers = self.mapping.import_commit(
 
207
            commit, self.mapping.revision_id_foreign_to_bzr)
 
208
        self.assertEquals(rev.revision_id,
 
209
            self.mapping.revision_id_foreign_to_bzr(commit.id))
 
210
        if self.mapping.roundtripping:
 
211
            self.assertEquals({"testament3-sha1": "testamentsha"} , verifiers)
 
212
            self.assertEquals(orig_rev.revision_id, roundtrip_revid)
 
213
            self.assertEquals(orig_rev.properties, rev.properties)
 
214
            self.assertEquals(orig_rev.committer, rev.committer)
 
215
            self.assertEquals(orig_rev.timestamp, rev.timestamp)
 
216
            self.assertEquals(orig_rev.timezone, rev.timezone)
 
217
            self.assertEquals(orig_rev.message, rev.message)
 
218
            self.assertEquals(list(orig_rev.parent_ids), list(rev.parent_ids))
 
219
        else:
 
220
            self.assertEquals({}, verifiers)
 
221
 
 
222
    def test_simple_commit(self):
 
223
        r = Revision(self.mapping.revision_id_foreign_to_bzr("edf99e6c56495c620f20d5dacff9859ff7119261"))
 
224
        r.message = "MyCommitMessage"
 
225
        r.parent_ids = []
 
226
        r.committer = "Jelmer Vernooij <jelmer@apache.org>"
 
227
        r.timestamp = 453543543
 
228
        r.timezone = 0
 
229
        r.properties = {}
 
230
        self.assertRoundtripRevision(r)
 
231
 
 
232
    def test_revision_id(self):
 
233
        r = Revision("myrevid")
 
234
        r.message = "MyCommitMessage"
 
235
        r.parent_ids = []
 
236
        r.committer = "Jelmer Vernooij <jelmer@apache.org>"
 
237
        r.timestamp = 453543543
 
238
        r.timezone = 0
 
239
        r.properties = {}
 
240
        self.assertRoundtripRevision(r)
 
241
 
 
242
    def test_ghost_parent(self):
 
243
        r = Revision("myrevid")
 
244
        r.message = "MyCommitMessage"
 
245
        r.parent_ids = ["iamaghost"]
 
246
        r.committer = "Jelmer Vernooij <jelmer@apache.org>"
 
247
        r.timestamp = 453543543
 
248
        r.timezone = 0
 
249
        r.properties = {}
 
250
        self.assertRoundtripRevision(r)
 
251
 
 
252
    def test_custom_property(self):
 
253
        r = Revision("myrevid")
 
254
        r.message = "MyCommitMessage"
 
255
        r.parent_ids = []
 
256
        r.properties = {"fool": "bar"}
 
257
        r.committer = "Jelmer Vernooij <jelmer@apache.org>"
 
258
        r.timestamp = 453543543
 
259
        r.timezone = 0
 
260
        self.assertRoundtripRevision(r)
 
261
 
 
262
 
 
263
class RoundtripRevisionsFromGit(tests.TestCase):
 
264
 
 
265
    def setUp(self):
 
266
        super(RoundtripRevisionsFromGit, self).setUp()
 
267
        self.mapping = BzrGitMappingv1()
 
268
 
 
269
    def assertRoundtripTree(self, tree):
 
270
        raise NotImplementedError(self.assertRoundtripTree)
 
271
 
 
272
    def assertRoundtripBlob(self, blob):
 
273
        raise NotImplementedError(self.assertRoundtripBlob)
 
274
 
 
275
    def assertRoundtripCommit(self, commit1):
 
276
        rev, roundtrip_revid, verifiers = self.mapping.import_commit(
 
277
            commit1, self.mapping.revision_id_foreign_to_bzr)
 
278
        commit2 = self.mapping.export_commit(rev, "12341212121212", None,
 
279
            True, None)
 
280
        self.assertEquals(commit1.committer, commit2.committer)
 
281
        self.assertEquals(commit1.commit_time, commit2.commit_time)
 
282
        self.assertEquals(commit1.commit_timezone, commit2.commit_timezone)
 
283
        self.assertEquals(commit1.author, commit2.author)
 
284
        self.assertEquals(commit1.author_time, commit2.author_time)
 
285
        self.assertEquals(commit1.author_timezone, commit2.author_timezone)
 
286
        self.assertEquals(commit1.message, commit2.message)
 
287
        self.assertEquals(commit1.encoding, commit2.encoding)
 
288
 
 
289
    def test_commit(self):
 
290
        c = Commit()
 
291
        c.tree = "cc9462f7f8263ef5adfbeff2fb936bb36b504cba"
 
292
        c.message = "Some message"
 
293
        c.committer = "Committer <Committer>"
 
294
        c.commit_time = 4
 
295
        c.commit_timezone = -60 * 3
 
296
        c.author_time = 5
 
297
        c.author_timezone = 60 * 2
 
298
        c.author = "Author <author>"
 
299
        self.assertRoundtripCommit(c)
 
300
 
 
301
    def test_commit_double_negative_timezone(self):
 
302
        c = Commit()
 
303
        c.tree = "cc9462f7f8263ef5adfbeff2fb936bb36b504cba"
 
304
        c.message = "Some message"
 
305
        c.committer = "Committer <Committer>"
 
306
        c.commit_time = 4
 
307
        (c.commit_timezone, c._commit_timezone_neg_utc) = parse_timezone("--700")
 
308
        c.author_time = 5
 
309
        c.author_timezone = 60 * 2
 
310
        c.author = "Author <author>"
 
311
        self.assertRoundtripCommit(c)
 
312
 
 
313
    def test_commit_zero_utc_timezone(self):
 
314
        c = Commit()
 
315
        c.tree = "cc9462f7f8263ef5adfbeff2fb936bb36b504cba"
 
316
        c.message = "Some message"
 
317
        c.committer = "Committer <Committer>"
 
318
        c.commit_time = 4
 
319
        c.commit_timezone = 0
 
320
        c._commit_timezone_neg_utc = True
 
321
        c.author_time = 5
 
322
        c.author_timezone = 60 * 2
 
323
        c.author = "Author <author>"
 
324
        self.assertRoundtripCommit(c)
 
325
 
 
326
    def test_commit_encoding(self):
 
327
        c = Commit()
 
328
        c.tree = "cc9462f7f8263ef5adfbeff2fb936bb36b504cba"
 
329
        c.message = "Some message"
 
330
        c.committer = "Committer <Committer>"
 
331
        c.encoding = 'iso8859-1'
 
332
        c.commit_time = 4
 
333
        c.commit_timezone = -60 * 3
 
334
        c.author_time = 5
 
335
        c.author_timezone = 60 * 2
 
336
        c.author = "Author <author>"
 
337
        self.assertRoundtripCommit(c)
 
338
 
 
339
    def test_commit_extra(self):
 
340
        c = Commit()
 
341
        c.tree = "cc9462f7f8263ef5adfbeff2fb936bb36b504cba"
 
342
        c.message = "Some message"
 
343
        c.committer = "Committer <Committer>"
 
344
        c.commit_time = 4
 
345
        c.commit_timezone = -60 * 3
 
346
        c.author_time = 5
 
347
        c.author_timezone = 60 * 2
 
348
        c.author = "Author <author>"
 
349
        c._extra = [("HG:rename-source", "hg")]
 
350
        self.assertRoundtripCommit(c)
 
351
 
 
352
 
 
353
class DirectoryToTreeTests(tests.TestCase):
 
354
 
 
355
    def test_empty(self):
 
356
        t = directory_to_tree({}, None, {}, None, allow_empty=False)
 
357
        self.assertEquals(None, t)
 
358
 
 
359
    def test_empty_dir(self):
 
360
        child_ie = InventoryDirectory('bar', 'bar', 'bar')
 
361
        children = {'bar': child_ie}
 
362
        t = directory_to_tree(children, lambda x: None, {}, None,
 
363
                allow_empty=False)
 
364
        self.assertEquals(None, t)
 
365
 
 
366
    def test_empty_dir_dummy_files(self):
 
367
        child_ie = InventoryDirectory('bar', 'bar', 'bar')
 
368
        children = {'bar':child_ie}
 
369
        t = directory_to_tree(children, lambda x: None, {}, ".mydummy",
 
370
                allow_empty=False)
 
371
        self.assertTrue(".mydummy" in t)
 
372
 
 
373
    def test_empty_root(self):
 
374
        child_ie = InventoryDirectory('bar', 'bar', 'bar')
 
375
        children = {'bar': child_ie}
 
376
        t = directory_to_tree(children, lambda x: None, {}, None,
 
377
                allow_empty=True)
 
378
        self.assertEquals(Tree(), t)
 
379
 
 
380
    def test_with_file(self):
 
381
        child_ie = InventoryFile('bar', 'bar', 'bar')
 
382
        children = {"bar": child_ie}
 
383
        b = Blob.from_string("bla")
 
384
        t1 = directory_to_tree(children, lambda x: b.id, {}, None,
 
385
                allow_empty=False)
 
386
        t2 = Tree()
 
387
        t2.add("bar", 0100644, b.id)
 
388
        self.assertEquals(t1, t2)