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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
 
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# (at your option) any later version.
 
8
#
 
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# This program is distributed in the hope that it will be useful,
 
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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# GNU General Public License for more details.
 
13
#
 
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# 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,
 
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    )
 
22
from dulwich.repo import (
 
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    Repo as GitRepo,
 
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    )
 
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
from bzrlib.transport import (
 
45
    get_transport,
 
46
    )
 
47
 
 
48
from bzrlib.plugins.git import (
 
49
    get_rich_root_format,
 
50
    )
 
51
from bzrlib.plugins.git.fetch import (
 
52
    import_git_blob,
 
53
    import_git_tree,
 
54
    )
 
55
from bzrlib.plugins.git.mapping import (
 
56
    BzrGitMappingv1,
 
57
    default_mapping,
 
58
    )
 
59
from bzrlib.plugins.git.shamap import (
 
60
    DictGitShaMap,
 
61
    )
 
62
from bzrlib.plugins.git.tests import (
 
63
    GitBranchBuilder,
 
64
    )
 
65
 
 
66
 
 
67
class RepositoryFetchTests:
 
68
 
 
69
    def make_git_repo(self, path):
 
70
        os.mkdir(path)
 
71
        GitRepo.init(path)
 
72
 
 
73
    def clone_git_repo(self, from_url, to_url, revision_id=None):
 
74
        oldrepos = self.open_git_repo(from_url)
 
75
        dir = BzrDir.create(to_url, get_rich_root_format())
 
76
        newrepos = dir.create_repository()
 
77
        oldrepos.copy_content_into(newrepos, revision_id=revision_id)
 
78
        return newrepos
 
79
 
 
80
    def test_empty(self):
 
81
        self.make_git_repo("d")
 
82
        newrepos = self.clone_git_repo("d", "f")
 
83
        self.assertEquals([], newrepos.all_revision_ids())
 
84
 
 
85
    def make_onerev_branch(self):
 
86
        self.make_git_repo("d")
 
87
        os.chdir("d")
 
88
        bb = GitBranchBuilder()
 
89
        bb.set_file("foobar", "foo\nbar\n", False)
 
90
        mark = bb.commit("Somebody <somebody@someorg.org>", "mymsg")
 
91
        gitsha = bb.finish()[mark]
 
92
        os.chdir("..")
 
93
        return "d", gitsha
 
94
 
 
95
    def test_single_rev(self):
 
96
        path, gitsha = self.make_onerev_branch()
 
97
        oldrepo = self.open_git_repo(path)
 
98
        newrepo = self.clone_git_repo(path, "f")
 
99
        self.assertEquals([oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha)], newrepo.all_revision_ids())
 
100
 
 
101
    def test_single_rev_specific(self):
 
102
        path, gitsha = self.make_onerev_branch()
 
103
        oldrepo = self.open_git_repo(path)
 
104
        revid = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha)
 
105
        newrepo = self.clone_git_repo(path, "f", revision_id=revid)
 
106
        self.assertEquals([revid], newrepo.all_revision_ids())
 
107
 
 
108
    def test_incremental(self):
 
109
        self.make_git_repo("d")
 
110
        os.chdir("d")
 
111
        bb = GitBranchBuilder()
 
112
        bb.set_file("foobar", "foo\nbar\n", False)
 
113
        mark1 = bb.commit("Somebody <somebody@someorg.org>", "mymsg")
 
114
        bb.set_file("foobar", "fooll\nbar\n", False)
 
115
        mark2 = bb.commit("Somebody <somebody@someorg.org>", "nextmsg")
 
116
        marks = bb.finish()
 
117
        gitsha1 = marks[mark1]
 
118
        gitsha2 = marks[mark2]
 
119
        os.chdir("..")
 
120
        oldrepo = self.open_git_repo("d")
 
121
        revid1 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha1)
 
122
        newrepo = self.clone_git_repo("d", "f", revision_id=revid1)
 
123
        self.assertEquals([revid1], newrepo.all_revision_ids())
 
124
        revid2 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha2)
 
125
        newrepo.fetch(oldrepo, revision_id=revid2)
 
126
        self.assertEquals(set([revid1, revid2]), set(newrepo.all_revision_ids()))
 
127
 
 
128
    def test_executable(self):
 
129
        self.make_git_repo("d")
 
130
        os.chdir("d")
 
131
        bb = GitBranchBuilder()
 
132
        bb.set_file("foobar", "foo\nbar\n", True)
 
133
        bb.set_file("notexec", "foo\nbar\n", False)
 
134
        mark = bb.commit("Somebody <somebody@someorg.org>", "mymsg")
 
135
        gitsha = bb.finish()[mark]
 
136
        os.chdir("..")
 
137
        oldrepo = self.open_git_repo("d")
 
138
        newrepo = self.clone_git_repo("d", "f")
 
139
        revid = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha)
 
140
        tree = newrepo.revision_tree(revid)
 
141
        self.assertTrue(tree.has_filename("foobar"))
 
142
        self.assertEquals(True, tree.inventory[tree.path2id("foobar")].executable)
 
143
        self.assertTrue(tree.has_filename("notexec"))
 
144
        self.assertEquals(False, tree.inventory[tree.path2id("notexec")].executable)
 
145
 
 
146
    def test_becomes_executable(self):
 
147
        self.make_git_repo("d")
 
148
        os.chdir("d")
 
149
        bb = GitBranchBuilder()
 
150
        bb.set_file("foobar", "foo\nbar\n", False)
 
151
        mark1 = bb.commit("Somebody <somebody@someorg.org>", "mymsg")
 
152
        bb.set_file("foobar", "foo\nbar\n", True)
 
153
        mark2 = bb.commit("Somebody <somebody@someorg.org>", "mymsg")
 
154
        gitsha2 = bb.finish()[mark2]
 
155
        os.chdir("..")
 
156
        oldrepo = self.open_git_repo("d")
 
157
        newrepo = self.clone_git_repo("d", "f")
 
158
        revid = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha2)
 
159
        tree = newrepo.revision_tree(revid)
 
160
        self.assertTrue(tree.has_filename("foobar"))
 
161
        ie = tree.inventory[tree.path2id("foobar")]
 
162
        self.assertEquals(True, ie.executable)
 
163
        self.assertEquals(revid, ie.revision)
 
164
 
 
165
    def test_non_ascii_characters(self):
 
166
        self.make_git_repo("d")
 
167
        os.chdir("d")
 
168
        bb = GitBranchBuilder()
 
169
        bb.set_file(u"foőbar", "foo\nbar\n", False)
 
170
        mark = bb.commit("Somebody <somebody@someorg.org>", "mymsg")
 
171
        gitsha = bb.finish()[mark]
 
172
        os.chdir("..")
 
173
        oldrepo = self.open_git_repo("d")
 
174
        newrepo = self.clone_git_repo("d", "f")
 
175
        revid = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha)
 
176
        tree = newrepo.revision_tree(revid)
 
177
        self.assertTrue(tree.has_filename(u"foőbar"))
 
178
 
 
179
 
 
180
class LocalRepositoryFetchTests(RepositoryFetchTests, TestCaseWithTransport):
 
181
 
 
182
    def open_git_repo(self, path):
 
183
        return Repository.open(path)
 
184
 
 
185
 
 
186
class ImportObjects(TestCaseWithTransport):
 
187
 
 
188
    def setUp(self):
 
189
        super(ImportObjects, self).setUp()
 
190
        self._map = DictGitShaMap()
 
191
        self._mapping = BzrGitMappingv1()
 
192
        factory = knit.make_file_factory(True, versionedfile.PrefixMapper())
 
193
        self._texts = factory(self.get_transport('texts'))
 
194
 
 
195
    def test_import_blob_simple(self):
 
196
        blob = Blob.from_string("bar")
 
197
        base_inv = Inventory()
 
198
        objs = { "blobname": blob}
 
199
        ret, _= import_git_blob(self._texts, self._mapping, "bla", "blobname", 
 
200
            base_inv, None, "somerevid", [], self._map, objs.__getitem__, False,
 
201
            False)
 
202
        self.assertEquals(set([('bla', 'somerevid')]), self._texts.keys())
 
203
        self.assertEquals(self._texts.get_record_stream([('bla', 'somerevid')],
 
204
            "unordered", True).next().get_bytes_as("fulltext"), "bar")
 
205
        self.assertEquals(1, len(ret)) 
 
206
        self.assertEquals(None, ret[0][0])
 
207
        self.assertEquals("bla", ret[0][1])
 
208
        ie = ret[0][3]
 
209
        self.assertEquals(False, ie.executable)
 
210
        self.assertEquals("file", ie.kind)
 
211
        self.assertEquals("somerevid", ie.revision)
 
212
        self.assertEquals(osutils.sha_strings(["bar"]), ie.text_sha1)
 
213
 
 
214
    def test_import_tree_empty_root(self):
 
215
        base_inv = Inventory(root_id=None)
 
216
        tree = Tree()
 
217
        tree.serialize()
 
218
        ret, _, _ = import_git_tree(self._texts, self._mapping, "", 
 
219
               tree.id, base_inv, 
 
220
               None, "somerevid", [], self._map, {tree.id: tree}.__getitem__)
 
221
        self.assertEquals(set([("TREE_ROOT", 'somerevid')]), self._texts.keys())
 
222
        self.assertEquals(1, len(ret))
 
223
        self.assertEquals(None, ret[0][0])
 
224
        self.assertEquals("", ret[0][1])
 
225
        ie = ret[0][3]
 
226
        self.assertEquals(False, ie.executable)
 
227
        self.assertEquals("directory", ie.kind)
 
228
        self.assertEquals({}, ie.children)
 
229
        self.assertEquals("somerevid", ie.revision)
 
230
        self.assertEquals(None, ie.text_sha1)
 
231
 
 
232
    def test_import_tree_empty(self):
 
233
        base_inv = Inventory()
 
234
        tree = Tree()
 
235
        tree.serialize()
 
236
        ret, _, _ = import_git_tree(self._texts, self._mapping, "bla", 
 
237
           tree.id, base_inv, None, "somerevid", [], 
 
238
           self._map, { tree.id: tree }.__getitem__)
 
239
        self.assertEquals(set([("bla", 'somerevid')]), self._texts.keys())
 
240
        self.assertEquals(1, len(ret))
 
241
        self.assertEquals(None, ret[0][0])
 
242
        self.assertEquals("bla", ret[0][1])
 
243
        ie = ret[0][3]
 
244
        self.assertEquals("directory", ie.kind)
 
245
        self.assertEquals(False, ie.executable)
 
246
        self.assertEquals({}, ie.children)
 
247
        self.assertEquals("somerevid", ie.revision)
 
248
        self.assertEquals(None, ie.text_sha1)
 
249
 
 
250
    def test_import_tree_with_file(self):
 
251
        base_inv = Inventory()
 
252
        blob = Blob.from_string("bar1")
 
253
        tree = Tree()
 
254
        tree.add(0100600, "foo", blob.id)
 
255
        tree.serialize()
 
256
        objects = { blob.id: blob, tree.id: tree }
 
257
        ret, _, _ = import_git_tree(self._texts, self._mapping, "bla", tree.id, 
 
258
            base_inv, None, "somerevid", [], self._map, objects.__getitem__)
 
259
        self.assertEquals(2, len(ret))
 
260
        self.assertEquals(None, ret[0][0])
 
261
        self.assertEquals("bla", ret[0][1])
 
262
        self.assertEquals(None, ret[1][0])
 
263
        self.assertEquals("bla/foo", ret[1][1])
 
264
        ie = ret[0][3]
 
265
        self.assertEquals("directory", ie.kind)
 
266
        ie = ret[1][3]
 
267
        self.assertEquals("file", ie.kind)
 
268
        self.assertEquals("bla/foo", ie.file_id)
 
269
        self.assertEquals("somerevid", ie.revision)
 
270
        self.assertEquals(osutils.sha_strings(["bar1"]), ie.text_sha1)
 
271
        self.assertEquals(False, ie.executable)
 
272
 
 
273
    def test_import_tree_with_file_exe(self):
 
274
        base_inv = Inventory(root_id=None)
 
275
        blob = Blob.from_string("bar")
 
276
        tree = Tree()
 
277
        tree.add(0100755, "foo", blob.id)
 
278
        tree.serialize()
 
279
        objects = { blob.id: blob, tree.id: tree }
 
280
        ret, _, _ = import_git_tree(self._texts, self._mapping, "", tree.id, 
 
281
            base_inv, None, "somerevid", [], self._map, objects.__getitem__)
 
282
        self.assertEquals(2, len(ret))
 
283
        self.assertEquals(None, ret[0][0])
 
284
        self.assertEquals("", ret[0][1])
 
285
        self.assertEquals(None, ret[1][0])
 
286
        self.assertEquals("foo", ret[1][1])
 
287
        ie = ret[0][3]
 
288
        self.assertEquals("directory", ie.kind)
 
289
        ie = ret[1][3]
 
290
        self.assertEquals("file", ie.kind)
 
291
        self.assertEquals(True, ie.executable)