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tests/test_fetch.py
 
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# Copyright (C) 2009 Jelmer Vernooij <jelmer@samba.org>
 
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#
 
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# This program is free software; you can redistribute it and/or modify
 
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# it under the terms of the GNU General Public License as published by
 
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# the Free Software Foundation; either version 2 of the License, or
 
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# (at your option) any later version.
 
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#
 
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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.
 
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#
 
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# You should have received a copy of the GNU General Public License
 
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# along with this program; if not, write to the Free Software
 
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
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from dulwich.objects import (
 
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    Blob,
 
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    Tree,
 
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    )
 
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import os
 
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from bzrlib import (
 
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    knit,
 
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    osutils,
 
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    versionedfile,
 
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    )
 
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from bzrlib.bzrdir import (
 
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    BzrDir,
 
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    )
 
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from bzrlib.inventory import (
 
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    Inventory,
 
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    )
 
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from bzrlib.repository import (
 
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    Repository,
 
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    )
 
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from bzrlib.tests import (
 
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    TestCaseWithTransport,
 
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    )
 
40
from bzrlib.transport import (
 
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    get_transport,
 
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    )
 
43
 
 
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from bzrlib.plugins.git import (
 
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    get_rich_root_format,
 
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    )
 
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from bzrlib.plugins.git.fetch import (
 
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    BzrFetchGraphWalker,
 
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    import_git_blob,
 
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    import_git_tree,
 
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    )
 
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from bzrlib.plugins.git.mapping import (
 
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    BzrGitMappingv1,
 
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    default_mapping,
 
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    )
 
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from bzrlib.plugins.git.shamap import (
 
57
    DictGitShaMap,
 
58
    )
 
59
from bzrlib.plugins.git.tests import (
 
60
    GitBranchBuilder,
 
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    run_git,
 
62
    )
 
63
 
 
64
 
 
65
class FetchGraphWalkerTests(TestCaseWithTransport):
 
66
 
 
67
    def setUp(self):
 
68
        TestCaseWithTransport.setUp(self)
 
69
        self.mapping = default_mapping
 
70
 
 
71
    def test_empty(self):
 
72
        tree = self.make_branch_and_tree("wt")
 
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        graphwalker = BzrFetchGraphWalker(tree.branch.repository, self.mapping)
 
74
        self.assertEquals(None, graphwalker.next())
 
75
 
 
76
 
 
77
class RepositoryFetchTests:
 
78
 
 
79
    def make_git_repo(self, path):
 
80
        os.mkdir(path)
 
81
        os.chdir(path)
 
82
        run_git("init")
 
83
        os.chdir("..")
 
84
 
 
85
    def clone_git_repo(self, from_url, to_url, revision_id=None):
 
86
        oldrepos = self.open_git_repo(from_url)
 
87
        dir = BzrDir.create(to_url, get_rich_root_format())
 
88
        newrepos = dir.create_repository()
 
89
        oldrepos.copy_content_into(newrepos, revision_id=revision_id)
 
90
        return newrepos
 
91
 
 
92
    def test_empty(self):
 
93
        self.make_git_repo("d")
 
94
        newrepos = self.clone_git_repo("d", "f")
 
95
        self.assertEquals([], newrepos.all_revision_ids())
 
96
 
 
97
    def make_onerev_branch(self):
 
98
        self.make_git_repo("d")
 
99
        os.chdir("d")
 
100
        bb = GitBranchBuilder()
 
101
        bb.set_file("foobar", "foo\nbar\n", False)
 
102
        mark = bb.commit("Somebody <somebody@someorg.org>", "mymsg")
 
103
        gitsha = bb.finish()[mark]
 
104
        os.chdir("..")
 
105
        return "d", gitsha
 
106
 
 
107
    def test_single_rev(self):
 
108
        path, gitsha = self.make_onerev_branch()
 
109
        oldrepo = self.open_git_repo(path)
 
110
        newrepo = self.clone_git_repo(path, "f")
 
111
        self.assertEquals([oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha)], newrepo.all_revision_ids())
 
112
 
 
113
    def test_single_rev_specific(self):
 
114
        path, gitsha = self.make_onerev_branch()
 
115
        oldrepo = self.open_git_repo(path)
 
116
        revid = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha)
 
117
        newrepo = self.clone_git_repo(path, "f", revision_id=revid)
 
118
        self.assertEquals([revid], newrepo.all_revision_ids())
 
119
 
 
120
    def test_incremental(self):
 
121
        self.make_git_repo("d")
 
122
        os.chdir("d")
 
123
        bb = GitBranchBuilder()
 
124
        bb.set_file("foobar", "foo\nbar\n", False)
 
125
        mark1 = bb.commit("Somebody <somebody@someorg.org>", "mymsg")
 
126
        bb.set_file("foobar", "fooll\nbar\n", False)
 
127
        mark2 = bb.commit("Somebody <somebody@someorg.org>", "nextmsg")
 
128
        marks = bb.finish()
 
129
        gitsha1 = marks[mark1]
 
130
        gitsha2 = marks[mark2]
 
131
        os.chdir("..")
 
132
        oldrepo = self.open_git_repo("d")
 
133
        revid1 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha1)
 
134
        newrepo = self.clone_git_repo("d", "f", revision_id=revid1)
 
135
        self.assertEquals([revid1], newrepo.all_revision_ids())
 
136
        revid2 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha2)
 
137
        newrepo.fetch(oldrepo, revision_id=revid2)
 
138
        self.assertEquals(set([revid1, revid2]), set(newrepo.all_revision_ids()))
 
139
 
 
140
    def test_executable(self):
 
141
        self.make_git_repo("d")
 
142
        os.chdir("d")
 
143
        bb = GitBranchBuilder()
 
144
        bb.set_file("foobar", "foo\nbar\n", True)
 
145
        bb.set_file("notexec", "foo\nbar\n", False)
 
146
        mark = bb.commit("Somebody <somebody@someorg.org>", "mymsg")
 
147
        gitsha = bb.finish()[mark]
 
148
        os.chdir("..")
 
149
        oldrepo = self.open_git_repo("d")
 
150
        newrepo = self.clone_git_repo("d", "f")
 
151
        revid = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha)
 
152
        tree = newrepo.revision_tree(revid)
 
153
        self.assertTrue(tree.has_filename("foobar"))
 
154
        self.assertEquals(True, tree.inventory[tree.path2id("foobar")].executable)
 
155
        self.assertTrue(tree.has_filename("notexec"))
 
156
        self.assertEquals(False, tree.inventory[tree.path2id("notexec")].executable)
 
157
 
 
158
 
 
159
class LocalRepositoryFetchTests(RepositoryFetchTests, TestCaseWithTransport):
 
160
 
 
161
    def open_git_repo(self, path):
 
162
        return Repository.open(path)
 
163
 
 
164
 
 
165
class ImportObjects(TestCaseWithTransport):
 
166
 
 
167
    def setUp(self):
 
168
        super(ImportObjects, self).setUp()
 
169
        self._map = DictGitShaMap()
 
170
        self._mapping = BzrGitMappingv1()
 
171
        factory = knit.make_file_factory(True, versionedfile.PrefixMapper())
 
172
        self._texts = factory(self.get_transport('texts'))
 
173
 
 
174
    def test_import_blob_simple(self):
 
175
        blob = Blob.from_string("bar")
 
176
        inv = Inventory()
 
177
        inv.revision_id = "somerevid"
 
178
        import_git_blob(self._texts, self._mapping, "bla", blob, 
 
179
            inv, [], self._map, False)
 
180
        self.assertEquals(set([('bla', 'somerevid')]), self._texts.keys())
 
181
        self.assertEquals(self._texts.get_record_stream([('bla', 'somerevid')],
 
182
            "unordered", True).next().get_bytes_as("fulltext"), "bar")
 
183
        self.assertEquals(False, inv["bla"].executable)
 
184
        self.assertEquals("file", inv["bla"].kind)
 
185
        self.assertEquals("somerevid", inv["bla"].revision)
 
186
        self.assertEquals(osutils.sha_strings(["bar"]), inv["bla"].text_sha1)
 
187
 
 
188
    def test_import_tree_empty_root(self):
 
189
        inv = Inventory()
 
190
        inv.revision_id = "somerevid"
 
191
        tree = Tree()
 
192
        tree.serialize()
 
193
        import_git_tree(self._texts, self._mapping, "", tree, inv, [], 
 
194
            self._map, {}.__getitem__)
 
195
        self.assertEquals(set([("TREE_ROOT", 'somerevid')]), self._texts.keys())
 
196
        self.assertEquals(False, inv["TREE_ROOT"].executable)
 
197
        self.assertEquals("directory", inv["TREE_ROOT"].kind)
 
198
        self.assertEquals({}, inv["TREE_ROOT"].children)
 
199
        self.assertEquals("somerevid", inv["TREE_ROOT"].revision)
 
200
        self.assertEquals(None, inv["TREE_ROOT"].text_sha1)
 
201
 
 
202
    def test_import_tree_empty(self):
 
203
        inv = Inventory()
 
204
        inv.revision_id = "somerevid"
 
205
        tree = Tree()
 
206
        tree.serialize()
 
207
        import_git_tree(self._texts, self._mapping, "bla", tree, inv, [], 
 
208
            self._map, {}.__getitem__)
 
209
        self.assertEquals(set([("bla", 'somerevid')]), self._texts.keys())
 
210
        self.assertEquals("directory", inv["bla"].kind)
 
211
        self.assertEquals(False, inv["bla"].executable)
 
212
        self.assertEquals({}, inv["bla"].children)
 
213
        self.assertEquals("somerevid", inv["bla"].revision)
 
214
        self.assertEquals(None, inv["bla"].text_sha1)
 
215
 
 
216
    def test_import_tree_with_file(self):
 
217
        inv = Inventory()
 
218
        inv.revision_id = "somerevid"
 
219
        blob = Blob.from_string("bar1")
 
220
        tree = Tree()
 
221
        tree.add(0100600, "foo", blob.id)
 
222
        tree.serialize()
 
223
        objects = { blob.id: blob, tree.id: tree }
 
224
        import_git_tree(self._texts, self._mapping, "bla", tree, inv, [], 
 
225
            self._map, objects.__getitem__)
 
226
        self.assertEquals(["foo"], inv["bla"].children.keys())
 
227
        self.assertEquals(set(["bla", "bla/foo"]), 
 
228
                set([ie.file_id for (path, ie) in inv.entries()]))
 
229
        ie = inv["bla/foo"]
 
230
        self.assertEquals("file", ie.kind)
 
231
        self.assertEquals("bla/foo", ie.file_id)
 
232
        self.assertEquals("somerevid", ie.revision)
 
233
        self.assertEquals(osutils.sha_strings(["bar1"]), ie.text_sha1)
 
234
        self.assertEquals(False, ie.executable)
 
235
 
 
236
    def test_import_tree_with_file_exe(self):
 
237
        inv = Inventory()
 
238
        inv.revision_id = "somerevid"
 
239
        blob = Blob.from_string("bar")
 
240
        tree = Tree()
 
241
        tree.add(0100755, "foo", blob.id)
 
242
        tree.serialize()
 
243
        objects = { blob.id: blob, tree.id: tree }
 
244
        import_git_tree(self._texts, self._mapping, "bla", tree, inv, [], 
 
245
            self._map, objects.__getitem__)
 
246
        self.assertEquals(["foo"], inv["bla"].children.keys())
 
247
        ie = inv["bla/foo"]
 
248
        self.assertEquals("file", ie.kind)
 
249
        self.assertEquals(True, ie.executable)