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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
 
 
27
from bzrlib import (
 
28
    knit,
 
29
    osutils,
 
30
    versionedfile,
 
31
    )
 
32
from bzrlib.bzrdir import (
 
33
    BzrDir,
 
34
    )
 
35
from bzrlib.inventory import (
 
36
    Inventory,
 
37
    )
 
38
from bzrlib.repository import (
 
39
    Repository,
 
40
    )
 
41
from bzrlib.tests import (
 
42
    TestCaseWithTransport,
 
43
    )
 
44
 
 
45
from bzrlib.plugins.git import (
 
46
    get_rich_root_format,
 
47
    )
 
48
from bzrlib.plugins.git.fetch import (
 
49
    import_git_blob,
 
50
    import_git_tree,
 
51
    )
 
52
from bzrlib.plugins.git.mapping import (
 
53
    BzrGitMappingv1,
 
54
    default_mapping,
 
55
    )
 
56
from bzrlib.plugins.git.shamap import (
 
57
    DictGitShaMap,
 
58
    )
 
59
from bzrlib.plugins.git.tests import (
 
60
    GitBranchBuilder,
 
61
    )
 
62
 
 
63
 
 
64
class RepositoryFetchTests:
 
65
 
 
66
    def make_git_repo(self, path):
 
67
        os.mkdir(path)
 
68
        GitRepo.init(path)
 
69
 
 
70
    def clone_git_repo(self, from_url, to_url, revision_id=None):
 
71
        oldrepos = self.open_git_repo(from_url)
 
72
        dir = BzrDir.create(to_url, get_rich_root_format())
 
73
        newrepos = dir.create_repository()
 
74
        oldrepos.copy_content_into(newrepos, revision_id=revision_id)
 
75
        return newrepos
 
76
 
 
77
    def test_empty(self):
 
78
        self.make_git_repo("d")
 
79
        newrepos = self.clone_git_repo("d", "f")
 
80
        self.assertEquals([], newrepos.all_revision_ids())
 
81
 
 
82
    def make_onerev_branch(self):
 
83
        self.make_git_repo("d")
 
84
        os.chdir("d")
 
85
        bb = GitBranchBuilder()
 
86
        bb.set_file("foobar", "foo\nbar\n", False)
 
87
        mark = bb.commit("Somebody <somebody@someorg.org>", "mymsg")
 
88
        gitsha = bb.finish()[mark]
 
89
        os.chdir("..")
 
90
        return "d", gitsha
 
91
 
 
92
    def test_single_rev(self):
 
93
        path, gitsha = self.make_onerev_branch()
 
94
        oldrepo = self.open_git_repo(path)
 
95
        newrepo = self.clone_git_repo(path, "f")
 
96
        self.assertEquals([oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha)], newrepo.all_revision_ids())
 
97
 
 
98
    def test_single_rev_specific(self):
 
99
        path, gitsha = self.make_onerev_branch()
 
100
        oldrepo = self.open_git_repo(path)
 
101
        revid = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha)
 
102
        newrepo = self.clone_git_repo(path, "f", revision_id=revid)
 
103
        self.assertEquals([revid], newrepo.all_revision_ids())
 
104
 
 
105
    def test_incremental(self):
 
106
        self.make_git_repo("d")
 
107
        os.chdir("d")
 
108
        bb = GitBranchBuilder()
 
109
        bb.set_file("foobar", "foo\nbar\n", False)
 
110
        mark1 = bb.commit("Somebody <somebody@someorg.org>", "mymsg")
 
111
        bb.set_file("foobar", "fooll\nbar\n", False)
 
112
        mark2 = bb.commit("Somebody <somebody@someorg.org>", "nextmsg")
 
113
        marks = bb.finish()
 
114
        gitsha1 = marks[mark1]
 
115
        gitsha2 = marks[mark2]
 
116
        os.chdir("..")
 
117
        oldrepo = self.open_git_repo("d")
 
118
        revid1 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha1)
 
119
        newrepo = self.clone_git_repo("d", "f", revision_id=revid1)
 
120
        self.assertEquals([revid1], newrepo.all_revision_ids())
 
121
        revid2 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha2)
 
122
        newrepo.fetch(oldrepo, revision_id=revid2)
 
123
        self.assertEquals(set([revid1, revid2]), set(newrepo.all_revision_ids()))
 
124
 
 
125
    def test_dir_becomes_symlink(self):
 
126
        self.make_git_repo("d")
 
127
        os.chdir("d")
 
128
        bb = GitBranchBuilder()
 
129
        bb.set_file("mylink/somefile", "foo\nbar\n", False)
 
130
        mark1 = bb.commit("Somebody <somebody@someorg.org>", "mymsg1")
 
131
        bb.set_symlink("mylink", "target/")
 
132
        mark2 = bb.commit("Somebody <somebody@someorg.org>", "mymsg2")
 
133
        marks = bb.finish()
 
134
        gitsha1 = marks[mark1]
 
135
        gitsha2 = marks[mark2]
 
136
        os.chdir("..")
 
137
        oldrepo = self.open_git_repo("d")
 
138
        newrepo = self.clone_git_repo("d", "f")
 
139
        revid1 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha1)
 
140
        revid2 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha2)
 
141
        tree1 = newrepo.revision_tree(revid1)
 
142
        tree2 = newrepo.revision_tree(revid2)
 
143
        fileid = tree1.path2id("mylink")
 
144
        ie1 = tree1.inventory[fileid]
 
145
        ie2 = tree2.inventory[fileid]
 
146
        self.assertEquals(revid1, ie1.revision)
 
147
        self.assertEquals("directory", ie1.kind)
 
148
        self.assertEquals(None, ie1.symlink_target)
 
149
        self.assertEquals(revid2, ie2.revision)
 
150
        self.assertEquals("symlink", ie2.kind)
 
151
        self.assertEquals("target/", ie2.symlink_target)
 
152
 
 
153
    def test_symlink_becomes_dir(self):
 
154
        self.make_git_repo("d")
 
155
        os.chdir("d")
 
156
        bb = GitBranchBuilder()
 
157
        bb.set_symlink("mylink", "target/")
 
158
        mark1 = bb.commit("Somebody <somebody@someorg.org>", "mymsg1")
 
159
        bb.set_file("mylink/somefile", "foo\nbar\n", False)
 
160
        mark2 = bb.commit("Somebody <somebody@someorg.org>", "mymsg2")
 
161
        marks = bb.finish()
 
162
        gitsha1 = marks[mark1]
 
163
        gitsha2 = marks[mark2]
 
164
        os.chdir("..")
 
165
        oldrepo = self.open_git_repo("d")
 
166
        newrepo = self.clone_git_repo("d", "f")
 
167
        revid1 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha1)
 
168
        revid2 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha2)
 
169
        tree1 = newrepo.revision_tree(revid1)
 
170
        tree2 = newrepo.revision_tree(revid2)
 
171
        fileid = tree1.path2id("mylink")
 
172
        ie1 = tree1.inventory[fileid]
 
173
        ie2 = tree2.inventory[fileid]
 
174
        self.assertEquals(revid1, ie1.revision)
 
175
        self.assertEquals("symlink", ie1.kind)
 
176
        self.assertEquals("target/", ie1.symlink_target)
 
177
        self.assertEquals(revid2, ie2.revision)
 
178
        self.assertEquals("directory", ie2.kind)
 
179
        self.assertEquals(None, ie2.symlink_target)
 
180
 
 
181
    def test_changing_symlink(self):
 
182
        self.make_git_repo("d")
 
183
        os.chdir("d")
 
184
        bb = GitBranchBuilder()
 
185
        bb.set_symlink("mylink", "target")
 
186
        mark1 = bb.commit("Somebody <somebody@someorg.org>", "mymsg1")
 
187
        bb.set_symlink("mylink", "target/")
 
188
        mark2 = bb.commit("Somebody <somebody@someorg.org>", "mymsg2")
 
189
        marks = bb.finish()
 
190
        gitsha1 = marks[mark1]
 
191
        gitsha2 = marks[mark2]
 
192
        os.chdir("..")
 
193
        oldrepo = self.open_git_repo("d")
 
194
        newrepo = self.clone_git_repo("d", "f")
 
195
        revid1 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha1)
 
196
        revid2 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha2)
 
197
        tree1 = newrepo.revision_tree(revid1)
 
198
        tree2 = newrepo.revision_tree(revid2)
 
199
        fileid = tree1.path2id("mylink")
 
200
        ie1 = tree1.inventory[fileid]
 
201
        ie2 = tree2.inventory[fileid]
 
202
        self.assertEquals(revid1, ie1.revision)
 
203
        self.assertEquals("target", ie1.symlink_target)
 
204
        self.assertEquals(revid2, ie2.revision)
 
205
        self.assertEquals("target/", ie2.symlink_target)
 
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.inventory[tree.path2id("foobar")].executable)
 
222
        self.assertTrue(tree.has_filename("notexec"))
 
223
        self.assertEquals(False, tree.inventory[tree.path2id("notexec")].executable)
 
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
        ie = tree.inventory[tree.path2id("foobar")]
 
241
        self.assertEquals(True, ie.executable)
 
242
        self.assertEquals(revid, ie.revision)
 
243
 
 
244
    def test_non_ascii_characters(self):
 
245
        self.make_git_repo("d")
 
246
        os.chdir("d")
 
247
        bb = GitBranchBuilder()
 
248
        bb.set_file(u"foőbar", "foo\nbar\n", False)
 
249
        mark = bb.commit("Somebody <somebody@someorg.org>", "mymsg")
 
250
        gitsha = bb.finish()[mark]
 
251
        os.chdir("..")
 
252
        oldrepo = self.open_git_repo("d")
 
253
        newrepo = self.clone_git_repo("d", "f")
 
254
        revid = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha)
 
255
        tree = newrepo.revision_tree(revid)
 
256
        self.assertTrue(tree.has_filename(u"foőbar"))
 
257
 
 
258
 
 
259
class LocalRepositoryFetchTests(RepositoryFetchTests, TestCaseWithTransport):
 
260
 
 
261
    def open_git_repo(self, path):
 
262
        return Repository.open(path)
 
263
 
 
264
 
 
265
class ImportObjects(TestCaseWithTransport):
 
266
 
 
267
    def setUp(self):
 
268
        super(ImportObjects, self).setUp()
 
269
        self._mapping = BzrGitMappingv1()
 
270
        factory = knit.make_file_factory(True, versionedfile.PrefixMapper())
 
271
        self._texts = factory(self.get_transport('texts'))
 
272
 
 
273
    def test_import_blob_simple(self):
 
274
        blob = Blob.from_string("bar")
 
275
        base_inv = Inventory()
 
276
        objs = { "blobname": blob}
 
277
        ret, _= import_git_blob(self._texts, self._mapping, "bla", "blobname", 
 
278
            base_inv, None, None, None, "somerevid", [], objs.__getitem__, False,
 
279
            False)
 
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
        tree.serialize()
 
296
        ret, _, _ = import_git_tree(self._texts, self._mapping, "", 
 
297
               tree.id, base_inv, None, None,
 
298
               None, "somerevid", [], {tree.id: tree}.__getitem__)
 
299
        self.assertEquals(set([("TREE_ROOT", 'somerevid')]), self._texts.keys())
 
300
        self.assertEquals(1, len(ret))
 
301
        self.assertEquals(None, ret[0][0])
 
302
        self.assertEquals("", ret[0][1])
 
303
        ie = ret[0][3]
 
304
        self.assertEquals(False, ie.executable)
 
305
        self.assertEquals("directory", ie.kind)
 
306
        self.assertEquals({}, ie.children)
 
307
        self.assertEquals("somerevid", ie.revision)
 
308
        self.assertEquals(None, ie.text_sha1)
 
309
 
 
310
    def test_import_tree_empty(self):
 
311
        base_inv = Inventory()
 
312
        tree = Tree()
 
313
        tree.serialize()
 
314
        ret, _, _ = import_git_tree(self._texts, self._mapping, "bla", 
 
315
           tree.id, base_inv, None, None, None, "somerevid", [], 
 
316
           { tree.id: tree }.__getitem__)
 
317
        self.assertEquals(set([("bla", 'somerevid')]), self._texts.keys())
 
318
        self.assertEquals(1, len(ret))
 
319
        self.assertEquals(None, ret[0][0])
 
320
        self.assertEquals("bla", ret[0][1])
 
321
        ie = ret[0][3]
 
322
        self.assertEquals("directory", ie.kind)
 
323
        self.assertEquals(False, ie.executable)
 
324
        self.assertEquals({}, ie.children)
 
325
        self.assertEquals("somerevid", ie.revision)
 
326
        self.assertEquals(None, ie.text_sha1)
 
327
 
 
328
    def test_import_tree_with_file(self):
 
329
        base_inv = Inventory()
 
330
        blob = Blob.from_string("bar1")
 
331
        tree = Tree()
 
332
        tree.add(0100600, "foo", blob.id)
 
333
        tree.serialize()
 
334
        objects = { blob.id: blob, tree.id: tree }
 
335
        ret, _, _ = import_git_tree(self._texts, self._mapping, "bla", tree.id, 
 
336
            base_inv, None, None, None, "somerevid", [], objects.__getitem__)
 
337
        self.assertEquals(2, len(ret))
 
338
        self.assertEquals(None, ret[0][0])
 
339
        self.assertEquals("bla", ret[0][1])
 
340
        self.assertEquals(None, ret[1][0])
 
341
        self.assertEquals("bla/foo", ret[1][1])
 
342
        ie = ret[0][3]
 
343
        self.assertEquals("directory", ie.kind)
 
344
        ie = ret[1][3]
 
345
        self.assertEquals("file", ie.kind)
 
346
        self.assertEquals("bla/foo", ie.file_id)
 
347
        self.assertEquals("somerevid", ie.revision)
 
348
        self.assertEquals(osutils.sha_strings(["bar1"]), ie.text_sha1)
 
349
        self.assertEquals(False, ie.executable)
 
350
 
 
351
    def test_import_tree_with_file_exe(self):
 
352
        base_inv = Inventory(root_id=None)
 
353
        blob = Blob.from_string("bar")
 
354
        tree = Tree()
 
355
        tree.add(0100755, "foo", blob.id)
 
356
        tree.serialize()
 
357
        objects = { blob.id: blob, tree.id: tree }
 
358
        ret, _, _ = import_git_tree(self._texts, self._mapping, "", tree.id, 
 
359
            base_inv, None, None, None, "somerevid", [], objects.__getitem__)
 
360
        self.assertEquals(2, len(ret))
 
361
        self.assertEquals(None, ret[0][0])
 
362
        self.assertEquals("", ret[0][1])
 
363
        self.assertEquals(None, ret[1][0])
 
364
        self.assertEquals("foo", ret[1][1])
 
365
        ie = ret[0][3]
 
366
        self.assertEquals("directory", ie.kind)
 
367
        ie = ret[1][3]
 
368
        self.assertEquals("file", ie.kind)
 
369
        self.assertEquals(True, ie.executable)