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tests/test_fetch.py
 
1
# Copyright (C) 2009 Jelmer Vernooij <jelmer@samba.org>
 
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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
17
 
 
18
from dulwich.objects import (
 
19
    Blob,
 
20
    Tree,
 
21
    )
 
22
from dulwich.repo import (
 
23
    Repo as GitRepo,
 
24
    )
 
25
import os
 
26
import stat
 
27
 
 
28
from bzrlib import (
 
29
    knit,
 
30
    osutils,
 
31
    versionedfile,
 
32
    )
 
33
from bzrlib.bzrdir import (
 
34
    BzrDir,
 
35
    )
 
36
from bzrlib.inventory import (
 
37
    Inventory,
 
38
    )
 
39
from bzrlib.repository import (
 
40
    Repository,
 
41
    )
 
42
from bzrlib.tests import (
 
43
    TestCaseWithTransport,
 
44
    )
 
45
 
 
46
from bzrlib.plugins.git.fetch import (
 
47
    import_git_blob,
 
48
    import_git_tree,
 
49
    )
 
50
from bzrlib.plugins.git.mapping import (
 
51
    BzrGitMappingv1,
 
52
    DEFAULT_FILE_MODE,
 
53
    )
 
54
from bzrlib.plugins.git.tests import (
 
55
    GitBranchBuilder,
 
56
    )
 
57
 
 
58
 
 
59
class RepositoryFetchTests(object):
 
60
 
 
61
    def make_git_repo(self, path):
 
62
        os.mkdir(path)
 
63
        GitRepo.init(path)
 
64
 
 
65
    def clone_git_repo(self, from_url, to_url, revision_id=None):
 
66
        oldrepos = self.open_git_repo(from_url)
 
67
        dir = BzrDir.create(to_url)
 
68
        newrepos = dir.create_repository()
 
69
        oldrepos.copy_content_into(newrepos, revision_id=revision_id)
 
70
        return newrepos
 
71
 
 
72
    def test_empty(self):
 
73
        self.make_git_repo("d")
 
74
        newrepos = self.clone_git_repo("d", "f")
 
75
        self.assertEquals([], newrepos.all_revision_ids())
 
76
 
 
77
    def make_onerev_branch(self):
 
78
        self.make_git_repo("d")
 
79
        os.chdir("d")
 
80
        bb = GitBranchBuilder()
 
81
        bb.set_file("foobar", "foo\nbar\n", False)
 
82
        mark = bb.commit("Somebody <somebody@someorg.org>", "mymsg")
 
83
        gitsha = bb.finish()[mark]
 
84
        os.chdir("..")
 
85
        return "d", gitsha
 
86
 
 
87
    def test_single_rev(self):
 
88
        path, gitsha = self.make_onerev_branch()
 
89
        oldrepo = self.open_git_repo(path)
 
90
        newrepo = self.clone_git_repo(path, "f")
 
91
        self.assertEquals([oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha)], newrepo.all_revision_ids())
 
92
 
 
93
    def test_single_rev_specific(self):
 
94
        path, gitsha = self.make_onerev_branch()
 
95
        oldrepo = self.open_git_repo(path)
 
96
        revid = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha)
 
97
        newrepo = self.clone_git_repo(path, "f", revision_id=revid)
 
98
        self.assertEquals([revid], newrepo.all_revision_ids())
 
99
 
 
100
    def test_incremental(self):
 
101
        self.make_git_repo("d")
 
102
        os.chdir("d")
 
103
        bb = GitBranchBuilder()
 
104
        bb.set_file("foobar", "foo\nbar\n", False)
 
105
        mark1 = bb.commit("Somebody <somebody@someorg.org>", "mymsg")
 
106
        bb.set_file("foobar", "fooll\nbar\n", False)
 
107
        mark2 = bb.commit("Somebody <somebody@someorg.org>", "nextmsg")
 
108
        marks = bb.finish()
 
109
        gitsha1 = marks[mark1]
 
110
        gitsha2 = marks[mark2]
 
111
        os.chdir("..")
 
112
        oldrepo = self.open_git_repo("d")
 
113
        revid1 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha1)
 
114
        newrepo = self.clone_git_repo("d", "f", revision_id=revid1)
 
115
        self.assertEquals([revid1], newrepo.all_revision_ids())
 
116
        revid2 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha2)
 
117
        newrepo.fetch(oldrepo, revision_id=revid2)
 
118
        self.assertEquals(set([revid1, revid2]), set(newrepo.all_revision_ids()))
 
119
 
 
120
    def test_dir_becomes_symlink(self):
 
121
        self.make_git_repo("d")
 
122
        os.chdir("d")
 
123
        bb = GitBranchBuilder()
 
124
        bb.set_file("mylink/somefile", "foo\nbar\n", False)
 
125
        mark1 = bb.commit("Somebody <somebody@someorg.org>", "mymsg1")
 
126
        bb.set_symlink("mylink", "target/")
 
127
        mark2 = bb.commit("Somebody <somebody@someorg.org>", "mymsg2")
 
128
        marks = bb.finish()
 
129
        gitsha1 = marks[mark1]
 
130
        gitsha2 = marks[mark2]
 
131
        os.chdir("..")
 
132
        oldrepo = self.open_git_repo("d")
 
133
        newrepo = self.clone_git_repo("d", "f")
 
134
        revid1 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha1)
 
135
        revid2 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha2)
 
136
        tree1 = newrepo.revision_tree(revid1)
 
137
        tree2 = newrepo.revision_tree(revid2)
 
138
        fileid = tree1.path2id("mylink")
 
139
        self.assertEquals(revid1, tree1.get_file_revision(fileid))
 
140
        self.assertEquals("directory", tree1.kind(fileid))
 
141
        self.assertEquals(None, tree1.get_symlink_target(fileid))
 
142
        self.assertEquals(revid2, tree2.get_file_revision(fileid))
 
143
        self.assertEquals("symlink", tree2.kind(fileid))
 
144
        self.assertEquals("target/", tree2.get_symlink_target(fileid))
 
145
 
 
146
    def test_symlink_becomes_dir(self):
 
147
        self.make_git_repo("d")
 
148
        os.chdir("d")
 
149
        bb = GitBranchBuilder()
 
150
        bb.set_symlink("mylink", "target/")
 
151
        mark1 = bb.commit("Somebody <somebody@someorg.org>", "mymsg1")
 
152
        bb.set_file("mylink/somefile", "foo\nbar\n", False)
 
153
        mark2 = bb.commit("Somebody <somebody@someorg.org>", "mymsg2")
 
154
        marks = bb.finish()
 
155
        gitsha1 = marks[mark1]
 
156
        gitsha2 = marks[mark2]
 
157
        os.chdir("..")
 
158
        oldrepo = self.open_git_repo("d")
 
159
        newrepo = self.clone_git_repo("d", "f")
 
160
        revid1 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha1)
 
161
        revid2 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha2)
 
162
        tree1 = newrepo.revision_tree(revid1)
 
163
        tree2 = newrepo.revision_tree(revid2)
 
164
        fileid = tree1.path2id("mylink")
 
165
        self.assertEquals(revid1, tree1.get_file_revision(fileid))
 
166
        self.assertEquals("symlink", tree1.kind(fileid))
 
167
        self.assertEquals("target/", tree1.get_symlink_target(fileid))
 
168
        self.assertEquals(revid2, tree2.get_file_revision(fileid))
 
169
        self.assertEquals("directory", tree2.kind(fileid))
 
170
        self.assertEquals(None, tree2.get_symlink_target(fileid))
 
171
 
 
172
    def test_changing_symlink(self):
 
173
        self.make_git_repo("d")
 
174
        os.chdir("d")
 
175
        bb = GitBranchBuilder()
 
176
        bb.set_symlink("mylink", "target")
 
177
        mark1 = bb.commit("Somebody <somebody@someorg.org>", "mymsg1")
 
178
        bb.set_symlink("mylink", "target/")
 
179
        mark2 = bb.commit("Somebody <somebody@someorg.org>", "mymsg2")
 
180
        marks = bb.finish()
 
181
        gitsha1 = marks[mark1]
 
182
        gitsha2 = marks[mark2]
 
183
        os.chdir("..")
 
184
        oldrepo = self.open_git_repo("d")
 
185
        newrepo = self.clone_git_repo("d", "f")
 
186
        revid1 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha1)
 
187
        revid2 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha2)
 
188
        tree1 = newrepo.revision_tree(revid1)
 
189
        tree2 = newrepo.revision_tree(revid2)
 
190
        fileid = tree1.path2id("mylink")
 
191
        self.assertEquals(revid1, tree1.get_file_revision(fileid))
 
192
        self.assertEquals("target", tree1.get_symlink_target(fileid))
 
193
        self.assertEquals(revid2, tree2.get_file_revision(fileid))
 
194
        self.assertEquals("target/", tree2.get_symlink_target(fileid))
 
195
 
 
196
    def test_executable(self):
 
197
        self.make_git_repo("d")
 
198
        os.chdir("d")
 
199
        bb = GitBranchBuilder()
 
200
        bb.set_file("foobar", "foo\nbar\n", True)
 
201
        bb.set_file("notexec", "foo\nbar\n", False)
 
202
        mark = bb.commit("Somebody <somebody@someorg.org>", "mymsg")
 
203
        gitsha = bb.finish()[mark]
 
204
        os.chdir("..")
 
205
        oldrepo = self.open_git_repo("d")
 
206
        newrepo = self.clone_git_repo("d", "f")
 
207
        revid = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha)
 
208
        tree = newrepo.revision_tree(revid)
 
209
        self.assertTrue(tree.has_filename("foobar"))
 
210
        self.assertEquals(True, tree.is_executable(tree.path2id("foobar")))
 
211
        self.assertTrue(tree.has_filename("notexec"))
 
212
        self.assertEquals(False, tree.is_executable(tree.path2id("notexec")))
 
213
 
 
214
    def test_becomes_executable(self):
 
215
        self.make_git_repo("d")
 
216
        os.chdir("d")
 
217
        bb = GitBranchBuilder()
 
218
        bb.set_file("foobar", "foo\nbar\n", False)
 
219
        mark1 = bb.commit("Somebody <somebody@someorg.org>", "mymsg")
 
220
        bb.set_file("foobar", "foo\nbar\n", True)
 
221
        mark2 = bb.commit("Somebody <somebody@someorg.org>", "mymsg")
 
222
        gitsha2 = bb.finish()[mark2]
 
223
        os.chdir("..")
 
224
        oldrepo = self.open_git_repo("d")
 
225
        newrepo = self.clone_git_repo("d", "f")
 
226
        revid = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha2)
 
227
        tree = newrepo.revision_tree(revid)
 
228
        self.assertTrue(tree.has_filename("foobar"))
 
229
        fileid = tree.path2id("foobar")
 
230
        self.assertEquals(True, tree.is_executable(fileid))
 
231
        self.assertEquals(revid, tree.get_file_revision(fileid))
 
232
 
 
233
    def test_non_ascii_characters(self):
 
234
        self.make_git_repo("d")
 
235
        os.chdir("d")
 
236
        bb = GitBranchBuilder()
 
237
        bb.set_file(u"foőbar", "foo\nbar\n", False)
 
238
        mark = bb.commit("Somebody <somebody@someorg.org>", "mymsg")
 
239
        gitsha = bb.finish()[mark]
 
240
        os.chdir("..")
 
241
        oldrepo = self.open_git_repo("d")
 
242
        newrepo = self.clone_git_repo("d", "f")
 
243
        revid = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha)
 
244
        tree = newrepo.revision_tree(revid)
 
245
        self.assertTrue(tree.has_filename(u"foőbar"))
 
246
 
 
247
 
 
248
class LocalRepositoryFetchTests(RepositoryFetchTests, TestCaseWithTransport):
 
249
 
 
250
    def open_git_repo(self, path):
 
251
        return Repository.open(path)
 
252
 
 
253
 
 
254
class DummyStoreUpdater(object):
 
255
 
 
256
    def add_object(self, obj, ie, path):
 
257
        pass
 
258
 
 
259
    def finish(self):
 
260
        pass
 
261
 
 
262
 
 
263
class ImportObjects(TestCaseWithTransport):
 
264
 
 
265
    def setUp(self):
 
266
        super(ImportObjects, self).setUp()
 
267
        self._mapping = BzrGitMappingv1()
 
268
        factory = knit.make_file_factory(True, versionedfile.PrefixMapper())
 
269
        self._texts = factory(self.get_transport('texts'))
 
270
 
 
271
    def test_import_blob_simple(self):
 
272
        blob = Blob.from_string("bar")
 
273
        base_inv = Inventory()
 
274
        objs = { "blobname": blob}
 
275
        ret = import_git_blob(self._texts, self._mapping, "bla", "bla",
 
276
            (None, "blobname"), 
 
277
            base_inv, None, "somerevid", [], objs.__getitem__, 
 
278
            (None, DEFAULT_FILE_MODE), DummyStoreUpdater(),
 
279
            self._mapping.generate_file_id)
 
280
        self.assertEquals(set([('bla', 'somerevid')]), self._texts.keys())
 
281
        self.assertEquals(self._texts.get_record_stream([('bla', 'somerevid')],
 
282
            "unordered", True).next().get_bytes_as("fulltext"), "bar")
 
283
        self.assertEquals(1, len(ret)) 
 
284
        self.assertEquals(None, ret[0][0])
 
285
        self.assertEquals("bla", ret[0][1])
 
286
        ie = ret[0][3]
 
287
        self.assertEquals(False, ie.executable)
 
288
        self.assertEquals("file", ie.kind)
 
289
        self.assertEquals("somerevid", ie.revision)
 
290
        self.assertEquals(osutils.sha_strings(["bar"]), ie.text_sha1)
 
291
 
 
292
    def test_import_tree_empty_root(self):
 
293
        base_inv = Inventory(root_id=None)
 
294
        tree = Tree()
 
295
        ret, child_modes = import_git_tree(self._texts, self._mapping, "", "",
 
296
               (None, tree.id), base_inv, 
 
297
               None, "somerevid", [], {tree.id: tree}.__getitem__,
 
298
               (None, stat.S_IFDIR), DummyStoreUpdater(),
 
299
               self._mapping.generate_file_id)
 
300
        self.assertEquals(child_modes, {})
 
301
        self.assertEquals(set([("TREE_ROOT", 'somerevid')]), self._texts.keys())
 
302
        self.assertEquals(1, len(ret))
 
303
        self.assertEquals(None, ret[0][0])
 
304
        self.assertEquals("", ret[0][1])
 
305
        ie = ret[0][3]
 
306
        self.assertEquals(False, ie.executable)
 
307
        self.assertEquals("directory", ie.kind)
 
308
        self.assertEquals({}, ie.children)
 
309
        self.assertEquals("somerevid", ie.revision)
 
310
        self.assertEquals(None, ie.text_sha1)
 
311
 
 
312
    def test_import_tree_empty(self):
 
313
        base_inv = Inventory()
 
314
        tree = Tree()
 
315
        ret, child_modes = import_git_tree(self._texts, self._mapping, "bla", "bla",
 
316
           (None, tree.id), base_inv, None, "somerevid", [], 
 
317
           { tree.id: tree }.__getitem__,
 
318
           (None, stat.S_IFDIR), DummyStoreUpdater(),
 
319
           self._mapping.generate_file_id)
 
320
        self.assertEquals(child_modes, {})
 
321
        self.assertEquals(set([("bla", 'somerevid')]), self._texts.keys())
 
322
        self.assertEquals(1, len(ret))
 
323
        self.assertEquals(None, ret[0][0])
 
324
        self.assertEquals("bla", ret[0][1])
 
325
        ie = ret[0][3]
 
326
        self.assertEquals("directory", ie.kind)
 
327
        self.assertEquals(False, ie.executable)
 
328
        self.assertEquals({}, ie.children)
 
329
        self.assertEquals("somerevid", ie.revision)
 
330
        self.assertEquals(None, ie.text_sha1)
 
331
 
 
332
    def test_import_tree_with_file(self):
 
333
        base_inv = Inventory()
 
334
        blob = Blob.from_string("bar1")
 
335
        tree = Tree()
 
336
        tree.add("foo", stat.S_IFREG | 0644, blob.id)
 
337
        objects = { blob.id: blob, tree.id: tree }
 
338
        ret, child_modes = import_git_tree(self._texts, self._mapping, "bla", "bla",
 
339
                (None, tree.id), base_inv, None, "somerevid", [],
 
340
            objects.__getitem__, (None, stat.S_IFDIR), DummyStoreUpdater(),
 
341
            self._mapping.generate_file_id)
 
342
        self.assertEquals(child_modes, {})
 
343
        self.assertEquals(2, len(ret))
 
344
        self.assertEquals(None, ret[0][0])
 
345
        self.assertEquals("bla", ret[0][1])
 
346
        self.assertEquals(None, ret[1][0])
 
347
        self.assertEquals("bla/foo", ret[1][1])
 
348
        ie = ret[0][3]
 
349
        self.assertEquals("directory", ie.kind)
 
350
        ie = ret[1][3]
 
351
        self.assertEquals("file", ie.kind)
 
352
        self.assertEquals("bla/foo", ie.file_id)
 
353
        self.assertEquals("somerevid", ie.revision)
 
354
        self.assertEquals(osutils.sha_strings(["bar1"]), ie.text_sha1)
 
355
        self.assertEquals(False, ie.executable)
 
356
 
 
357
    def test_import_tree_with_unusual_mode_file(self):
 
358
        base_inv = Inventory()
 
359
        blob = Blob.from_string("bar1")
 
360
        tree = Tree()
 
361
        tree.add("foo", stat.S_IFREG | 0664, blob.id)
 
362
        objects = { blob.id: blob, tree.id: tree }
 
363
        ret, child_modes = import_git_tree(self._texts, self._mapping,
 
364
            "bla", "bla", (None, tree.id), base_inv, None, "somerevid", [],
 
365
            objects.__getitem__, (None, stat.S_IFDIR), DummyStoreUpdater(),
 
366
            self._mapping.generate_file_id)
 
367
        self.assertEquals(child_modes, { "bla/foo": stat.S_IFREG | 0664 })
 
368
 
 
369
    def test_import_tree_with_file_exe(self):
 
370
        base_inv = Inventory(root_id=None)
 
371
        blob = Blob.from_string("bar")
 
372
        tree = Tree()
 
373
        tree.add("foo", 0100755, blob.id)
 
374
        objects = { blob.id: blob, tree.id: tree }
 
375
        ret, child_modes = import_git_tree(self._texts, self._mapping, "", "",
 
376
                (None, tree.id), base_inv, None, "somerevid", [],
 
377
            objects.__getitem__, (None, stat.S_IFDIR), DummyStoreUpdater(),
 
378
            self._mapping.generate_file_id)
 
379
        self.assertEquals(child_modes, {})
 
380
        self.assertEquals(2, len(ret))
 
381
        self.assertEquals(None, ret[0][0])
 
382
        self.assertEquals("", ret[0][1])
 
383
        self.assertEquals(None, ret[1][0])
 
384
        self.assertEquals("foo", ret[1][1])
 
385
        ie = ret[0][3]
 
386
        self.assertEquals("directory", ie.kind)
 
387
        ie = ret[1][3]
 
388
        self.assertEquals("file", ie.kind)
 
389
        self.assertEquals(True, ie.executable)