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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:
 
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
        ie1 = tree1.inventory[fileid]
 
140
        ie2 = tree2.inventory[fileid]
 
141
        self.assertEquals(revid1, ie1.revision)
 
142
        self.assertEquals("directory", ie1.kind)
 
143
        self.assertEquals(None, ie1.symlink_target)
 
144
        self.assertEquals(revid2, ie2.revision)
 
145
        self.assertEquals("symlink", ie2.kind)
 
146
        self.assertEquals("target/", ie2.symlink_target)
 
147
 
 
148
    def test_symlink_becomes_dir(self):
 
149
        self.make_git_repo("d")
 
150
        os.chdir("d")
 
151
        bb = GitBranchBuilder()
 
152
        bb.set_symlink("mylink", "target/")
 
153
        mark1 = bb.commit("Somebody <somebody@someorg.org>", "mymsg1")
 
154
        bb.set_file("mylink/somefile", "foo\nbar\n", False)
 
155
        mark2 = bb.commit("Somebody <somebody@someorg.org>", "mymsg2")
 
156
        marks = bb.finish()
 
157
        gitsha1 = marks[mark1]
 
158
        gitsha2 = marks[mark2]
 
159
        os.chdir("..")
 
160
        oldrepo = self.open_git_repo("d")
 
161
        newrepo = self.clone_git_repo("d", "f")
 
162
        revid1 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha1)
 
163
        revid2 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha2)
 
164
        tree1 = newrepo.revision_tree(revid1)
 
165
        tree2 = newrepo.revision_tree(revid2)
 
166
        fileid = tree1.path2id("mylink")
 
167
        ie1 = tree1.inventory[fileid]
 
168
        ie2 = tree2.inventory[fileid]
 
169
        self.assertEquals(revid1, ie1.revision)
 
170
        self.assertEquals("symlink", ie1.kind)
 
171
        self.assertEquals("target/", ie1.symlink_target)
 
172
        self.assertEquals(revid2, ie2.revision)
 
173
        self.assertEquals("directory", ie2.kind)
 
174
        self.assertEquals(None, ie2.symlink_target)
 
175
 
 
176
    def test_changing_symlink(self):
 
177
        self.make_git_repo("d")
 
178
        os.chdir("d")
 
179
        bb = GitBranchBuilder()
 
180
        bb.set_symlink("mylink", "target")
 
181
        mark1 = bb.commit("Somebody <somebody@someorg.org>", "mymsg1")
 
182
        bb.set_symlink("mylink", "target/")
 
183
        mark2 = bb.commit("Somebody <somebody@someorg.org>", "mymsg2")
 
184
        marks = bb.finish()
 
185
        gitsha1 = marks[mark1]
 
186
        gitsha2 = marks[mark2]
 
187
        os.chdir("..")
 
188
        oldrepo = self.open_git_repo("d")
 
189
        newrepo = self.clone_git_repo("d", "f")
 
190
        revid1 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha1)
 
191
        revid2 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha2)
 
192
        tree1 = newrepo.revision_tree(revid1)
 
193
        tree2 = newrepo.revision_tree(revid2)
 
194
        fileid = tree1.path2id("mylink")
 
195
        ie1 = tree1.inventory[fileid]
 
196
        ie2 = tree2.inventory[fileid]
 
197
        self.assertEquals(revid1, ie1.revision)
 
198
        self.assertEquals("target", ie1.symlink_target)
 
199
        self.assertEquals(revid2, ie2.revision)
 
200
        self.assertEquals("target/", ie2.symlink_target)
 
201
 
 
202
    def test_executable(self):
 
203
        self.make_git_repo("d")
 
204
        os.chdir("d")
 
205
        bb = GitBranchBuilder()
 
206
        bb.set_file("foobar", "foo\nbar\n", True)
 
207
        bb.set_file("notexec", "foo\nbar\n", False)
 
208
        mark = bb.commit("Somebody <somebody@someorg.org>", "mymsg")
 
209
        gitsha = bb.finish()[mark]
 
210
        os.chdir("..")
 
211
        oldrepo = self.open_git_repo("d")
 
212
        newrepo = self.clone_git_repo("d", "f")
 
213
        revid = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha)
 
214
        tree = newrepo.revision_tree(revid)
 
215
        self.assertTrue(tree.has_filename("foobar"))
 
216
        self.assertEquals(True, tree.inventory[tree.path2id("foobar")].executable)
 
217
        self.assertTrue(tree.has_filename("notexec"))
 
218
        self.assertEquals(False, tree.inventory[tree.path2id("notexec")].executable)
 
219
 
 
220
    def test_becomes_executable(self):
 
221
        self.make_git_repo("d")
 
222
        os.chdir("d")
 
223
        bb = GitBranchBuilder()
 
224
        bb.set_file("foobar", "foo\nbar\n", False)
 
225
        mark1 = bb.commit("Somebody <somebody@someorg.org>", "mymsg")
 
226
        bb.set_file("foobar", "foo\nbar\n", True)
 
227
        mark2 = bb.commit("Somebody <somebody@someorg.org>", "mymsg")
 
228
        gitsha2 = bb.finish()[mark2]
 
229
        os.chdir("..")
 
230
        oldrepo = self.open_git_repo("d")
 
231
        newrepo = self.clone_git_repo("d", "f")
 
232
        revid = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha2)
 
233
        tree = newrepo.revision_tree(revid)
 
234
        self.assertTrue(tree.has_filename("foobar"))
 
235
        ie = tree.inventory[tree.path2id("foobar")]
 
236
        self.assertEquals(True, ie.executable)
 
237
        self.assertEquals(revid, ie.revision)
 
238
 
 
239
    def test_non_ascii_characters(self):
 
240
        self.make_git_repo("d")
 
241
        os.chdir("d")
 
242
        bb = GitBranchBuilder()
 
243
        bb.set_file(u"foőbar", "foo\nbar\n", False)
 
244
        mark = bb.commit("Somebody <somebody@someorg.org>", "mymsg")
 
245
        gitsha = bb.finish()[mark]
 
246
        os.chdir("..")
 
247
        oldrepo = self.open_git_repo("d")
 
248
        newrepo = self.clone_git_repo("d", "f")
 
249
        revid = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha)
 
250
        tree = newrepo.revision_tree(revid)
 
251
        self.assertTrue(tree.has_filename(u"foőbar"))
 
252
 
 
253
 
 
254
class LocalRepositoryFetchTests(RepositoryFetchTests, TestCaseWithTransport):
 
255
 
 
256
    def open_git_repo(self, path):
 
257
        return Repository.open(path)
 
258
 
 
259
 
 
260
class DummyStoreUpdater(object):
 
261
 
 
262
    def add_object(self, obj, ie, path):
 
263
        pass
 
264
 
 
265
    def finish(self):
 
266
        pass
 
267
 
 
268
 
 
269
class ImportObjects(TestCaseWithTransport):
 
270
 
 
271
    def setUp(self):
 
272
        super(ImportObjects, self).setUp()
 
273
        self._mapping = BzrGitMappingv1()
 
274
        factory = knit.make_file_factory(True, versionedfile.PrefixMapper())
 
275
        self._texts = factory(self.get_transport('texts'))
 
276
 
 
277
    def test_import_blob_simple(self):
 
278
        blob = Blob.from_string("bar")
 
279
        base_inv = Inventory()
 
280
        objs = { "blobname": blob}
 
281
        ret = import_git_blob(self._texts, self._mapping, "bla", "bla",
 
282
            (None, "blobname"), 
 
283
            base_inv, None, "somerevid", [], objs.__getitem__, 
 
284
            (None, DEFAULT_FILE_MODE), DummyStoreUpdater(),
 
285
            self._mapping.generate_file_id)
 
286
        self.assertEquals(set([('bla', 'somerevid')]), self._texts.keys())
 
287
        self.assertEquals(self._texts.get_record_stream([('bla', 'somerevid')],
 
288
            "unordered", True).next().get_bytes_as("fulltext"), "bar")
 
289
        self.assertEquals(1, len(ret)) 
 
290
        self.assertEquals(None, ret[0][0])
 
291
        self.assertEquals("bla", ret[0][1])
 
292
        ie = ret[0][3]
 
293
        self.assertEquals(False, ie.executable)
 
294
        self.assertEquals("file", ie.kind)
 
295
        self.assertEquals("somerevid", ie.revision)
 
296
        self.assertEquals(osutils.sha_strings(["bar"]), ie.text_sha1)
 
297
 
 
298
    def test_import_tree_empty_root(self):
 
299
        base_inv = Inventory(root_id=None)
 
300
        tree = Tree()
 
301
        ret, child_modes = import_git_tree(self._texts, self._mapping, "", "",
 
302
               (None, tree.id), base_inv, 
 
303
               None, "somerevid", [], {tree.id: tree}.__getitem__,
 
304
               (None, stat.S_IFDIR), DummyStoreUpdater(),
 
305
               self._mapping.generate_file_id)
 
306
        self.assertEquals(child_modes, {})
 
307
        self.assertEquals(set([("TREE_ROOT", 'somerevid')]), self._texts.keys())
 
308
        self.assertEquals(1, len(ret))
 
309
        self.assertEquals(None, ret[0][0])
 
310
        self.assertEquals("", ret[0][1])
 
311
        ie = ret[0][3]
 
312
        self.assertEquals(False, ie.executable)
 
313
        self.assertEquals("directory", ie.kind)
 
314
        self.assertEquals({}, ie.children)
 
315
        self.assertEquals("somerevid", ie.revision)
 
316
        self.assertEquals(None, ie.text_sha1)
 
317
 
 
318
    def test_import_tree_empty(self):
 
319
        base_inv = Inventory()
 
320
        tree = Tree()
 
321
        ret, child_modes = import_git_tree(self._texts, self._mapping, "bla", "bla",
 
322
           (None, tree.id), base_inv, None, "somerevid", [], 
 
323
           { tree.id: tree }.__getitem__,
 
324
           (None, stat.S_IFDIR), DummyStoreUpdater(),
 
325
           self._mapping.generate_file_id)
 
326
        self.assertEquals(child_modes, {})
 
327
        self.assertEquals(set([("bla", 'somerevid')]), self._texts.keys())
 
328
        self.assertEquals(1, len(ret))
 
329
        self.assertEquals(None, ret[0][0])
 
330
        self.assertEquals("bla", ret[0][1])
 
331
        ie = ret[0][3]
 
332
        self.assertEquals("directory", ie.kind)
 
333
        self.assertEquals(False, ie.executable)
 
334
        self.assertEquals({}, ie.children)
 
335
        self.assertEquals("somerevid", ie.revision)
 
336
        self.assertEquals(None, ie.text_sha1)
 
337
 
 
338
    def test_import_tree_with_file(self):
 
339
        base_inv = Inventory()
 
340
        blob = Blob.from_string("bar1")
 
341
        tree = Tree()
 
342
        tree.add(stat.S_IFREG | 0644, "foo", blob.id)
 
343
        objects = { blob.id: blob, tree.id: tree }
 
344
        ret, child_modes = import_git_tree(self._texts, self._mapping, "bla", "bla",
 
345
                (None, tree.id), base_inv, None, "somerevid", [],
 
346
            objects.__getitem__, (None, stat.S_IFDIR), DummyStoreUpdater(),
 
347
            self._mapping.generate_file_id)
 
348
        self.assertEquals(child_modes, {})
 
349
        self.assertEquals(2, len(ret))
 
350
        self.assertEquals(None, ret[0][0])
 
351
        self.assertEquals("bla", ret[0][1])
 
352
        self.assertEquals(None, ret[1][0])
 
353
        self.assertEquals("bla/foo", ret[1][1])
 
354
        ie = ret[0][3]
 
355
        self.assertEquals("directory", ie.kind)
 
356
        ie = ret[1][3]
 
357
        self.assertEquals("file", ie.kind)
 
358
        self.assertEquals("bla/foo", ie.file_id)
 
359
        self.assertEquals("somerevid", ie.revision)
 
360
        self.assertEquals(osutils.sha_strings(["bar1"]), ie.text_sha1)
 
361
        self.assertEquals(False, ie.executable)
 
362
 
 
363
    def test_import_tree_with_unusual_mode_file(self):
 
364
        base_inv = Inventory()
 
365
        blob = Blob.from_string("bar1")
 
366
        tree = Tree()
 
367
        tree.add(stat.S_IFREG | 0664, "foo", blob.id)
 
368
        objects = { blob.id: blob, tree.id: tree }
 
369
        ret, child_modes = import_git_tree(self._texts, self._mapping, "bla", "bla",
 
370
                (None, tree.id), base_inv, None, "somerevid", [],
 
371
            objects.__getitem__, (None, stat.S_IFDIR), DummyStoreUpdater(),
 
372
            self._mapping.generate_file_id)
 
373
        self.assertEquals(child_modes, { "bla/foo": stat.S_IFREG | 0664 })
 
374
 
 
375
    def test_import_tree_with_file_exe(self):
 
376
        base_inv = Inventory(root_id=None)
 
377
        blob = Blob.from_string("bar")
 
378
        tree = Tree()
 
379
        tree.add(0100755, "foo", blob.id)
 
380
        objects = { blob.id: blob, tree.id: tree }
 
381
        ret, child_modes = import_git_tree(self._texts, self._mapping, "", "",
 
382
                (None, tree.id), base_inv, None, "somerevid", [],
 
383
            objects.__getitem__, (None, stat.S_IFDIR), DummyStoreUpdater(),
 
384
            self._mapping.generate_file_id)
 
385
        self.assertEquals(child_modes, {})
 
386
        self.assertEquals(2, len(ret))
 
387
        self.assertEquals(None, ret[0][0])
 
388
        self.assertEquals("", ret[0][1])
 
389
        self.assertEquals(None, ret[1][0])
 
390
        self.assertEquals("foo", ret[1][1])
 
391
        ie = ret[0][3]
 
392
        self.assertEquals("directory", ie.kind)
 
393
        ie = ret[1][3]
 
394
        self.assertEquals("file", ie.kind)
 
395
        self.assertEquals(True, ie.executable)