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  • Committer: Jelmer Vernooij
  • Date: 2018-04-02 14:59:43 UTC
  • mto: (0.200.1913 work)
  • mto: This revision was merged to the branch mainline in revision 6960.
  • Revision ID: jelmer@jelmer.uk-20180402145943-s5jmpbvvf1x42pao
Just don't touch the URL if it's already a valid URL.

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tests/test_fetch.py
 
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")