/brz/remove-bazaar

To get this branch, use:
bzr branch http://gegoxaren.bato24.eu/bzr/brz/remove-bazaar

« back to all changes in this revision

Viewing changes to tests/test_fetch.py

  • Committer: Robert Collins
  • Date: 2010-05-06 11:08:10 UTC
  • mto: This revision was merged to the branch mainline in revision 5223.
  • Revision ID: robertc@robertcollins.net-20100506110810-h3j07fh5gmw54s25
Cleaner matcher matching revised unlocking protocol.

Show diffs side-by-side

added added

removed removed

Lines of Context:
1
 
# Copyright (C) 2009-2018 Jelmer Vernooij <jelmer@jelmer.uk>
2
 
# -*- coding: 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17
 
 
18
 
"""Tests from fetching from git into bzr."""
19
 
 
20
 
from __future__ import absolute_import
21
 
 
22
 
from dulwich.objects import (
23
 
    Blob,
24
 
    Tag,
25
 
    Tree,
26
 
    S_IFGITLINK,
27
 
    )
28
 
from dulwich.repo import (
29
 
    Repo as GitRepo,
30
 
    )
31
 
import os
32
 
import stat
33
 
import time
34
 
 
35
 
from .... import (
36
 
    osutils,
37
 
    )
38
 
from ....bzr import (
39
 
    knit,
40
 
    versionedfile,
41
 
    )
42
 
from ....branch import (
43
 
    Branch,
44
 
    )
45
 
from ....controldir import (
46
 
    ControlDir,
47
 
    )
48
 
from ....bzr.inventory import (
49
 
    Inventory,
50
 
    )
51
 
from ....repository import (
52
 
    Repository,
53
 
    )
54
 
from ....tests import (
55
 
    TestCaseWithTransport,
56
 
    )
57
 
 
58
 
from ..fetch import (
59
 
    import_git_blob,
60
 
    import_git_tree,
61
 
    import_git_submodule,
62
 
    )
63
 
from ..mapping import (
64
 
    BzrGitMappingv1,
65
 
    DEFAULT_FILE_MODE,
66
 
    )
67
 
from . import (
68
 
    GitBranchBuilder,
69
 
    )
70
 
 
71
 
 
72
 
class RepositoryFetchTests(object):
73
 
 
74
 
    def make_git_repo(self, path):
75
 
        os.mkdir(path)
76
 
        return GitRepo.init(os.path.abspath(path))
77
 
 
78
 
    def clone_git_repo(self, from_url, to_url, revision_id=None):
79
 
        oldrepos = self.open_git_repo(from_url)
80
 
        dir = ControlDir.create(to_url)
81
 
        newrepos = dir.create_repository()
82
 
        oldrepos.copy_content_into(newrepos, revision_id=revision_id)
83
 
        return newrepos
84
 
 
85
 
    def test_empty(self):
86
 
        self.make_git_repo("d")
87
 
        newrepos = self.clone_git_repo("d", "f")
88
 
        self.assertEquals([], newrepos.all_revision_ids())
89
 
 
90
 
    def make_onerev_branch(self):
91
 
        self.make_git_repo("d")
92
 
        os.chdir("d")
93
 
        bb = GitBranchBuilder()
94
 
        bb.set_file("foobar", "foo\nbar\n", False)
95
 
        mark = bb.commit("Somebody <somebody@someorg.org>", "mymsg")
96
 
        gitsha = bb.finish()[mark]
97
 
        os.chdir("..")
98
 
        return "d", gitsha
99
 
 
100
 
    def test_single_rev(self):
101
 
        path, gitsha = self.make_onerev_branch()
102
 
        oldrepo = self.open_git_repo(path)
103
 
        newrepo = self.clone_git_repo(path, "f")
104
 
        revid = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha)
105
 
        self.assertEquals([revid], newrepo.all_revision_ids())
106
 
 
107
 
    def test_single_rev_specific(self):
108
 
        path, gitsha = self.make_onerev_branch()
109
 
        oldrepo = self.open_git_repo(path)
110
 
        revid = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha)
111
 
        newrepo = self.clone_git_repo(path, "f", revision_id=revid)
112
 
        self.assertEquals([revid], newrepo.all_revision_ids())
113
 
 
114
 
    def test_incremental(self):
115
 
        self.make_git_repo("d")
116
 
        os.chdir("d")
117
 
        bb = GitBranchBuilder()
118
 
        bb.set_file("foobar", "foo\nbar\n", False)
119
 
        mark1 = bb.commit("Somebody <somebody@someorg.org>", "mymsg")
120
 
        bb.set_file("foobar", "fooll\nbar\n", False)
121
 
        mark2 = bb.commit("Somebody <somebody@someorg.org>", "nextmsg")
122
 
        marks = bb.finish()
123
 
        gitsha1 = marks[mark1]
124
 
        gitsha2 = marks[mark2]
125
 
        os.chdir("..")
126
 
        oldrepo = self.open_git_repo("d")
127
 
        revid1 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha1)
128
 
        newrepo = self.clone_git_repo("d", "f", revision_id=revid1)
129
 
        self.assertEquals([revid1], newrepo.all_revision_ids())
130
 
        revid2 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha2)
131
 
        newrepo.fetch(oldrepo, revision_id=revid2)
132
 
        self.assertEquals(set([revid1, revid2]), set(newrepo.all_revision_ids()))
133
 
 
134
 
    def test_dir_becomes_symlink(self):
135
 
        self.make_git_repo("d")
136
 
        os.chdir("d")
137
 
        bb = GitBranchBuilder()
138
 
        bb.set_file("mylink/somefile", "foo\nbar\n", False)
139
 
        mark1 = bb.commit("Somebody <somebody@someorg.org>", "mymsg1")
140
 
        bb.set_symlink("mylink", "target/")
141
 
        mark2 = bb.commit("Somebody <somebody@someorg.org>", "mymsg2")
142
 
        marks = bb.finish()
143
 
        gitsha1 = marks[mark1]
144
 
        gitsha2 = marks[mark2]
145
 
        os.chdir("..")
146
 
        oldrepo = self.open_git_repo("d")
147
 
        newrepo = self.clone_git_repo("d", "f")
148
 
        revid1 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha1)
149
 
        revid2 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha2)
150
 
        tree1 = newrepo.revision_tree(revid1)
151
 
        tree2 = newrepo.revision_tree(revid2)
152
 
        self.assertEquals(revid1, tree1.get_file_revision("mylink"))
153
 
        self.assertEquals("directory", tree1.kind("mylink"))
154
 
        self.assertEquals(None, tree1.get_symlink_target("mylink"))
155
 
        self.assertEquals(revid2, tree2.get_file_revision("mylink"))
156
 
        self.assertEquals("symlink", tree2.kind("mylink"))
157
 
        self.assertEquals("target/", tree2.get_symlink_target("mylink"))
158
 
 
159
 
    def test_symlink_becomes_dir(self):
160
 
        self.make_git_repo("d")
161
 
        os.chdir("d")
162
 
        bb = GitBranchBuilder()
163
 
        bb.set_symlink("mylink", "target/")
164
 
        mark1 = bb.commit("Somebody <somebody@someorg.org>", "mymsg1")
165
 
        bb.set_file("mylink/somefile", "foo\nbar\n", False)
166
 
        mark2 = bb.commit("Somebody <somebody@someorg.org>", "mymsg2")
167
 
        marks = bb.finish()
168
 
        gitsha1 = marks[mark1]
169
 
        gitsha2 = marks[mark2]
170
 
        os.chdir("..")
171
 
        oldrepo = self.open_git_repo("d")
172
 
        newrepo = self.clone_git_repo("d", "f")
173
 
        revid1 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha1)
174
 
        revid2 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha2)
175
 
        tree1 = newrepo.revision_tree(revid1)
176
 
        tree2 = newrepo.revision_tree(revid2)
177
 
        self.assertEquals(revid1, tree1.get_file_revision("mylink"))
178
 
        self.assertEquals("symlink", tree1.kind("mylink"))
179
 
        self.assertEquals("target/", tree1.get_symlink_target("mylink"))
180
 
        self.assertEquals(revid2, tree2.get_file_revision("mylink"))
181
 
        self.assertEquals("directory", tree2.kind("mylink"))
182
 
        self.assertEquals(None, tree2.get_symlink_target("mylink"))
183
 
 
184
 
    def test_changing_symlink(self):
185
 
        self.make_git_repo("d")
186
 
        os.chdir("d")
187
 
        bb = GitBranchBuilder()
188
 
        bb.set_symlink("mylink", "target")
189
 
        mark1 = bb.commit("Somebody <somebody@someorg.org>", "mymsg1")
190
 
        bb.set_symlink("mylink", "target/")
191
 
        mark2 = bb.commit("Somebody <somebody@someorg.org>", "mymsg2")
192
 
        marks = bb.finish()
193
 
        gitsha1 = marks[mark1]
194
 
        gitsha2 = marks[mark2]
195
 
        os.chdir("..")
196
 
        oldrepo = self.open_git_repo("d")
197
 
        newrepo = self.clone_git_repo("d", "f")
198
 
        revid1 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha1)
199
 
        revid2 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha2)
200
 
        tree1 = newrepo.revision_tree(revid1)
201
 
        tree2 = newrepo.revision_tree(revid2)
202
 
        self.assertEquals(revid1, tree1.get_file_revision("mylink"))
203
 
        self.assertEquals("target", tree1.get_symlink_target("mylink"))
204
 
        self.assertEquals(revid2, tree2.get_file_revision("mylink"))
205
 
        self.assertEquals("target/", tree2.get_symlink_target("mylink"))
206
 
 
207
 
    def test_executable(self):
208
 
        self.make_git_repo("d")
209
 
        os.chdir("d")
210
 
        bb = GitBranchBuilder()
211
 
        bb.set_file("foobar", "foo\nbar\n", True)
212
 
        bb.set_file("notexec", "foo\nbar\n", False)
213
 
        mark = bb.commit("Somebody <somebody@someorg.org>", "mymsg")
214
 
        gitsha = bb.finish()[mark]
215
 
        os.chdir("..")
216
 
        oldrepo = self.open_git_repo("d")
217
 
        newrepo = self.clone_git_repo("d", "f")
218
 
        revid = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha)
219
 
        tree = newrepo.revision_tree(revid)
220
 
        self.assertTrue(tree.has_filename("foobar"))
221
 
        self.assertEquals(True, tree.is_executable("foobar"))
222
 
        self.assertTrue(tree.has_filename("notexec"))
223
 
        self.assertEquals(False, tree.is_executable("notexec"))
224
 
 
225
 
    def test_becomes_executable(self):
226
 
        self.make_git_repo("d")
227
 
        os.chdir("d")
228
 
        bb = GitBranchBuilder()
229
 
        bb.set_file("foobar", "foo\nbar\n", False)
230
 
        mark1 = bb.commit("Somebody <somebody@someorg.org>", "mymsg")
231
 
        bb.set_file("foobar", "foo\nbar\n", True)
232
 
        mark2 = bb.commit("Somebody <somebody@someorg.org>", "mymsg")
233
 
        gitsha2 = bb.finish()[mark2]
234
 
        os.chdir("..")
235
 
        oldrepo = self.open_git_repo("d")
236
 
        newrepo = self.clone_git_repo("d", "f")
237
 
        revid = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha2)
238
 
        tree = newrepo.revision_tree(revid)
239
 
        self.assertTrue(tree.has_filename("foobar"))
240
 
        self.assertEquals(True, tree.is_executable("foobar"))
241
 
        self.assertEquals(revid, tree.get_file_revision("foobar"))
242
 
 
243
 
    def test_into_stacked_on(self):
244
 
        r = self.make_git_repo("d")
245
 
        os.chdir("d")
246
 
        bb = GitBranchBuilder()
247
 
        bb.set_file(u"foobar", "foo\n", False)
248
 
        mark1 = bb.commit("Somebody <somebody@someorg.org>", "mymsg1")
249
 
        gitsha1 = bb.finish()[mark1]
250
 
        os.chdir("..")
251
 
        stacked_on = self.clone_git_repo("d", "stacked-on")
252
 
        oldrepo = Repository.open("d")
253
 
        revid1 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha1)
254
 
        self.assertEquals([revid1], stacked_on.all_revision_ids())
255
 
        b = stacked_on.controldir.create_branch()
256
 
        b.generate_revision_history(revid1)
257
 
        self.assertEquals(b.last_revision(), revid1)
258
 
        tree = self.make_branch_and_tree("stacked")
259
 
        tree.branch.set_stacked_on_url(b.user_url)
260
 
        os.chdir("d")
261
 
        bb = GitBranchBuilder()
262
 
        bb.set_file(u"barbar", "bar\n", False)
263
 
        bb.set_file(u"foo/blie/bla", "bla\n", False)
264
 
        mark2 = bb.commit("Somebody <somebody@someorg.org>", "mymsg2")
265
 
        gitsha2 = bb.finish()[mark2]
266
 
        revid2 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha2)
267
 
        os.chdir("..")
268
 
        tree.branch.fetch(Branch.open("d"))
269
 
        tree.branch.repository.check()
270
 
        self.addCleanup(tree.lock_read().unlock)
271
 
        self.assertEquals(
272
 
            set([(revid2,)]),
273
 
            tree.branch.repository.revisions.without_fallbacks().keys())
274
 
        self.assertEquals(
275
 
            set([revid1, revid2]),
276
 
            set(tree.branch.repository.all_revision_ids()))
277
 
 
278
 
    def test_non_ascii_characters(self):
279
 
        self.make_git_repo("d")
280
 
        os.chdir("d")
281
 
        bb = GitBranchBuilder()
282
 
        bb.set_file(u"foőbar", "foo\nbar\n", False)
283
 
        mark = bb.commit("Somebody <somebody@someorg.org>", "mymsg")
284
 
        gitsha = bb.finish()[mark]
285
 
        os.chdir("..")
286
 
        oldrepo = self.open_git_repo("d")
287
 
        newrepo = self.clone_git_repo("d", "f")
288
 
        revid = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha)
289
 
        tree = newrepo.revision_tree(revid)
290
 
        self.assertTrue(tree.has_filename(u"foőbar"))
291
 
 
292
 
    def test_tagged_tree(self):
293
 
        r = self.make_git_repo("d")
294
 
        os.chdir("d")
295
 
        bb = GitBranchBuilder()
296
 
        bb.set_file("foobar", "fooll\nbar\n", False)
297
 
        mark = bb.commit("Somebody <somebody@someorg.org>", "nextmsg")
298
 
        marks = bb.finish()
299
 
        gitsha = marks[mark]
300
 
        tag = Tag()
301
 
        tag.name = "sometag"
302
 
        tag.tag_time = int(time.time())
303
 
        tag.tag_timezone = 0
304
 
        tag.tagger = "Somebody <somebody@example.com>"
305
 
        tag.message = "Created tag pointed at tree"
306
 
        tag.object = (Tree, r[gitsha].tree)
307
 
        r.object_store.add_object(tag)
308
 
        r["refs/tags/sometag"] = tag
309
 
        os.chdir("..")
310
 
        oldrepo = self.open_git_repo("d")
311
 
        revid = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha)
312
 
        newrepo = self.clone_git_repo("d", "f")
313
 
        self.assertEquals(set([revid]), set(newrepo.all_revision_ids()))
314
 
 
315
 
 
316
 
class LocalRepositoryFetchTests(RepositoryFetchTests, TestCaseWithTransport):
317
 
 
318
 
    def open_git_repo(self, path):
319
 
        return Repository.open(path)
320
 
 
321
 
 
322
 
class DummyStoreUpdater(object):
323
 
 
324
 
    def add_object(self, obj, ie, path):
325
 
        pass
326
 
 
327
 
    def finish(self):
328
 
        pass
329
 
 
330
 
 
331
 
class ImportObjects(TestCaseWithTransport):
332
 
 
333
 
    def setUp(self):
334
 
        super(ImportObjects, self).setUp()
335
 
        self._mapping = BzrGitMappingv1()
336
 
        factory = knit.make_file_factory(True, versionedfile.PrefixMapper())
337
 
        self._texts = factory(self.get_transport('texts'))
338
 
 
339
 
    def test_import_blob_simple(self):
340
 
        blob = Blob.from_string("bar")
341
 
        base_inv = Inventory()
342
 
        objs = { "blobname": blob}
343
 
        ret = import_git_blob(self._texts, self._mapping, "bla", "bla",
344
 
            (None, "blobname"), 
345
 
            base_inv, None, "somerevid", [], objs.__getitem__, 
346
 
            (None, DEFAULT_FILE_MODE), DummyStoreUpdater(),
347
 
            self._mapping.generate_file_id)
348
 
        self.assertEquals(set([('git:bla', 'somerevid')]), self._texts.keys())
349
 
        self.assertEquals(self._texts.get_record_stream([('git:bla', 'somerevid')],
350
 
            "unordered", True).next().get_bytes_as("fulltext"), "bar")
351
 
        self.assertEquals(1, len(ret)) 
352
 
        self.assertEquals(None, ret[0][0])
353
 
        self.assertEquals("bla", ret[0][1])
354
 
        ie = ret[0][3]
355
 
        self.assertEquals(False, ie.executable)
356
 
        self.assertEquals("file", ie.kind)
357
 
        self.assertEquals("somerevid", ie.revision)
358
 
        self.assertEquals(osutils.sha_strings(["bar"]), ie.text_sha1)
359
 
 
360
 
    def test_import_tree_empty_root(self):
361
 
        base_inv = Inventory(root_id=None)
362
 
        tree = Tree()
363
 
        ret, child_modes = import_git_tree(self._texts, self._mapping, "", "",
364
 
               (None, tree.id), base_inv, 
365
 
               None, "somerevid", [], {tree.id: tree}.__getitem__,
366
 
               (None, stat.S_IFDIR), DummyStoreUpdater(),
367
 
               self._mapping.generate_file_id)
368
 
        self.assertEquals(child_modes, {})
369
 
        self.assertEquals(set([("TREE_ROOT", 'somerevid')]), self._texts.keys())
370
 
        self.assertEquals(1, len(ret))
371
 
        self.assertEquals(None, ret[0][0])
372
 
        self.assertEquals("", ret[0][1])
373
 
        ie = ret[0][3]
374
 
        self.assertEquals(False, ie.executable)
375
 
        self.assertEquals("directory", ie.kind)
376
 
        self.assertEquals({}, ie.children)
377
 
        self.assertEquals("somerevid", ie.revision)
378
 
        self.assertEquals(None, ie.text_sha1)
379
 
 
380
 
    def test_import_tree_empty(self):
381
 
        base_inv = Inventory()
382
 
        tree = Tree()
383
 
        ret, child_modes = import_git_tree(self._texts, self._mapping, "bla", "bla",
384
 
           (None, tree.id), base_inv, None, "somerevid", [], 
385
 
           { tree.id: tree }.__getitem__,
386
 
           (None, stat.S_IFDIR), DummyStoreUpdater(),
387
 
           self._mapping.generate_file_id)
388
 
        self.assertEquals(child_modes, {})
389
 
        self.assertEquals(set([("git:bla", 'somerevid')]), self._texts.keys())
390
 
        self.assertEquals(1, len(ret))
391
 
        self.assertEquals(None, ret[0][0])
392
 
        self.assertEquals("bla", ret[0][1])
393
 
        ie = ret[0][3]
394
 
        self.assertEquals("directory", ie.kind)
395
 
        self.assertEquals(False, ie.executable)
396
 
        self.assertEquals({}, ie.children)
397
 
        self.assertEquals("somerevid", ie.revision)
398
 
        self.assertEquals(None, ie.text_sha1)
399
 
 
400
 
    def test_import_tree_with_file(self):
401
 
        base_inv = Inventory()
402
 
        blob = Blob.from_string("bar1")
403
 
        tree = Tree()
404
 
        tree.add("foo", stat.S_IFREG | 0644, blob.id)
405
 
        objects = { blob.id: blob, tree.id: tree }
406
 
        ret, child_modes = import_git_tree(self._texts, self._mapping, "bla", "bla",
407
 
                (None, tree.id), base_inv, None, "somerevid", [],
408
 
            objects.__getitem__, (None, stat.S_IFDIR), DummyStoreUpdater(),
409
 
            self._mapping.generate_file_id)
410
 
        self.assertEquals(child_modes, {})
411
 
        self.assertEquals(2, len(ret))
412
 
        self.assertEquals(None, ret[0][0])
413
 
        self.assertEquals("bla", ret[0][1])
414
 
        self.assertEquals(None, ret[1][0])
415
 
        self.assertEquals("bla/foo", ret[1][1])
416
 
        ie = ret[0][3]
417
 
        self.assertEquals("directory", ie.kind)
418
 
        ie = ret[1][3]
419
 
        self.assertEquals("file", ie.kind)
420
 
        self.assertEquals("git:bla/foo", ie.file_id)
421
 
        self.assertEquals("somerevid", ie.revision)
422
 
        self.assertEquals(osutils.sha_strings(["bar1"]), ie.text_sha1)
423
 
        self.assertEquals(False, ie.executable)
424
 
 
425
 
    def test_import_tree_with_unusual_mode_file(self):
426
 
        base_inv = Inventory()
427
 
        blob = Blob.from_string("bar1")
428
 
        tree = Tree()
429
 
        tree.add("foo", stat.S_IFREG | 0664, blob.id)
430
 
        objects = { blob.id: blob, tree.id: tree }
431
 
        ret, child_modes = import_git_tree(self._texts, self._mapping,
432
 
            "bla", "bla", (None, tree.id), base_inv, None, "somerevid", [],
433
 
            objects.__getitem__, (None, stat.S_IFDIR), DummyStoreUpdater(),
434
 
            self._mapping.generate_file_id)
435
 
        self.assertEquals(child_modes, { "bla/foo": stat.S_IFREG | 0664 })
436
 
 
437
 
    def test_import_tree_with_file_exe(self):
438
 
        base_inv = Inventory(root_id=None)
439
 
        blob = Blob.from_string("bar")
440
 
        tree = Tree()
441
 
        tree.add("foo", 0100755, blob.id)
442
 
        objects = { blob.id: blob, tree.id: tree }
443
 
        ret, child_modes = import_git_tree(self._texts, self._mapping, "", "",
444
 
                (None, tree.id), base_inv, None, "somerevid", [],
445
 
            objects.__getitem__, (None, stat.S_IFDIR), DummyStoreUpdater(),
446
 
            self._mapping.generate_file_id)
447
 
        self.assertEquals(child_modes, {})
448
 
        self.assertEquals(2, len(ret))
449
 
        self.assertEquals(None, ret[0][0])
450
 
        self.assertEquals("", ret[0][1])
451
 
        self.assertEquals(None, ret[1][0])
452
 
        self.assertEquals("foo", ret[1][1])
453
 
        ie = ret[0][3]
454
 
        self.assertEquals("directory", ie.kind)
455
 
        ie = ret[1][3]
456
 
        self.assertEquals("file", ie.kind)
457
 
        self.assertEquals(True, ie.executable)
458
 
 
459
 
    def test_directory_converted_to_submodule(self):
460
 
        base_inv = Inventory()
461
 
        base_inv.add_path("foo", "directory")
462
 
        base_inv.add_path("foo/bar", "file")
463
 
        othertree = Blob.from_string("someotherthing")
464
 
        blob = Blob.from_string("bar")
465
 
        tree = Tree()
466
 
        tree.add("bar", 0160000, blob.id)
467
 
        objects = { tree.id: tree }
468
 
        ret, child_modes = import_git_submodule(self._texts, self._mapping, "foo", "foo",
469
 
                (tree.id, othertree.id), base_inv, base_inv.root.file_id, "somerevid", [],
470
 
                objects.__getitem__, (stat.S_IFDIR | 0755, S_IFGITLINK), DummyStoreUpdater(),
471
 
                self._mapping.generate_file_id)
472
 
        self.assertEquals(child_modes, {})
473
 
        self.assertEquals(2, len(ret))
474
 
        self.assertEquals(ret[0], ("foo/bar", None, base_inv.path2id("foo/bar"), None))
475
 
        self.assertEquals(ret[1][:3], ("foo", "foo", self._mapping.generate_file_id("foo")))
476
 
        ie = ret[1][3]
477
 
        self.assertEquals(ie.kind, "tree-reference")