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Viewing changes to breezy/git/tests/test_cache.py

  • Committer: Jelmer Vernooij
  • Date: 2020-04-05 19:11:34 UTC
  • mto: (7490.7.16 work)
  • mto: This revision was merged to the branch mainline in revision 7501.
  • Revision ID: jelmer@jelmer.uk-20200405191134-0aebh8ikiwygxma5
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breezy/git/tests/test_cache.py
 
1
# Copyright (C) 2009-2018 Jelmer Vernooij <jelmer@jelmer.uk>
 
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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
 
5
# 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
 
11
# GNU General Public License for more details.
 
12
#
 
13
# You should have received a copy of the GNU General Public License
 
14
# along with this program; if not, write to the Free Software
 
15
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
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"""Tests for GitShaMap."""
 
18
 
 
19
from __future__ import absolute_import
 
20
 
 
21
from dulwich.objects import (
 
22
    Blob,
 
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    Commit,
 
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    Tree,
 
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    )
 
26
 
 
27
import os
 
28
import stat
 
29
 
 
30
from ...revision import (
 
31
    Revision,
 
32
    )
 
33
 
 
34
from ...tests import (
 
35
    TestCase,
 
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    TestCaseInTempDir,
 
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    UnavailableFeature,
 
38
    )
 
39
from ...transport import (
 
40
    get_transport,
 
41
    )
 
42
 
 
43
from ..cache import (
 
44
    DictBzrGitCache,
 
45
    IndexBzrGitCache,
 
46
    IndexGitCacheFormat,
 
47
    SqliteBzrGitCache,
 
48
    TdbBzrGitCache,
 
49
    )
 
50
 
 
51
 
 
52
class TestGitShaMap:
 
53
 
 
54
    def _get_test_commit(self):
 
55
        c = Commit()
 
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        c.committer = b"Jelmer <jelmer@samba.org>"
 
57
        c.commit_time = 0
 
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        c.commit_timezone = 0
 
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        c.author = b"Jelmer <jelmer@samba.org>"
 
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        c.author_time = 0
 
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        c.author_timezone = 0
 
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        c.message = b"Teh foo bar"
 
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        c.tree = b"cc9462f7f8263ef5adfbeff2fb936bb36b504cba"
 
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        return c
 
65
 
 
66
    def test_commit(self):
 
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        self.map.start_write_group()
 
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        updater = self.cache.get_updater(Revision(b"myrevid"))
 
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        c = self._get_test_commit()
 
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        updater.add_object(c, {
 
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            "testament3-sha1": b"cc9462f7f8263ef5adf8eff2fb936bb36b504cba"},
 
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            None)
 
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        updater.finish()
 
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        self.map.commit_write_group()
 
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        self.assertEqual(
 
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            [("commit", (b"myrevid",
 
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                         b"cc9462f7f8263ef5adfbeff2fb936bb36b504cba",
 
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                         {"testament3-sha1": b"cc9462f7f8263ef5adf8eff2fb936bb36b504cba"},
 
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                         ))],
 
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            list(self.map.lookup_git_sha(c.id)))
 
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        self.assertEqual(c.id, self.map.lookup_commit(b"myrevid"))
 
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    def test_lookup_notfound(self):
 
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        self.assertRaises(KeyError, list,
 
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                          self.map.lookup_git_sha(b"5686645d49063c73d35436192dfc9a160c672301"))
 
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    def test_blob(self):
 
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        self.map.start_write_group()
 
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        updater = self.cache.get_updater(Revision(b"myrevid"))
 
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        updater.add_object(self._get_test_commit(), {
 
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                           "testament3-sha1": b"Test"}, None)
 
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        b = Blob()
 
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        b.data = b"TEH BLOB"
 
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        updater.add_object(b, (b"myfileid", b"myrevid"), None)
 
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        updater.finish()
 
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        self.map.commit_write_group()
 
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        self.assertEqual(
 
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            [("blob", (b"myfileid", b"myrevid"))],
 
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            list(self.map.lookup_git_sha(b.id)))
 
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        self.assertEqual(b.id,
 
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                         self.map.lookup_blob_id(b"myfileid", b"myrevid"))
 
102
 
 
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    def test_tree(self):
 
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        self.map.start_write_group()
 
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        updater = self.cache.get_updater(Revision(b"somerevid"))
 
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        updater.add_object(self._get_test_commit(), {
 
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            "testament3-sha1": b"mytestamentsha"}, None)
 
108
        t = Tree()
 
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        t.add(b"somename", stat.S_IFREG, Blob().id)
 
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        updater.add_object(t, (b"fileid", b"myrevid"), b"")
 
111
        updater.finish()
 
112
        self.map.commit_write_group()
 
113
        self.assertEqual([("tree", (b"fileid", b"myrevid"))],
 
114
                         list(self.map.lookup_git_sha(t.id)))
 
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        # It's possible for a backend to not implement lookup_tree
 
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        try:
 
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            self.assertEqual(t.id,
 
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                             self.map.lookup_tree_id(b"fileid", b"myrevid"))
 
119
        except NotImplementedError:
 
120
            pass
 
121
 
 
122
    def test_revids(self):
 
123
        self.map.start_write_group()
 
124
        updater = self.cache.get_updater(Revision(b"myrevid"))
 
125
        c = self._get_test_commit()
 
126
        updater.add_object(c, {"testament3-sha1": b"mtestament"}, None)
 
127
        updater.finish()
 
128
        self.map.commit_write_group()
 
129
        self.assertEqual([b"myrevid"], list(self.map.revids()))
 
130
 
 
131
    def test_missing_revisions(self):
 
132
        self.map.start_write_group()
 
133
        updater = self.cache.get_updater(Revision(b"myrevid"))
 
134
        c = self._get_test_commit()
 
135
        updater.add_object(c, {"testament3-sha1": b"testament"}, None)
 
136
        updater.finish()
 
137
        self.map.commit_write_group()
 
138
        self.assertEqual(set([b"lala", b"bla"]),
 
139
                         set(self.map.missing_revisions([b"myrevid", b"lala", b"bla"])))
 
140
 
 
141
 
 
142
class DictGitShaMapTests(TestCase, TestGitShaMap):
 
143
 
 
144
    def setUp(self):
 
145
        TestCase.setUp(self)
 
146
        self.cache = DictBzrGitCache()
 
147
        self.map = self.cache.idmap
 
148
 
 
149
 
 
150
class SqliteGitShaMapTests(TestCaseInTempDir, TestGitShaMap):
 
151
 
 
152
    def setUp(self):
 
153
        TestCaseInTempDir.setUp(self)
 
154
        self.cache = SqliteBzrGitCache(os.path.join(self.test_dir, 'foo.db'))
 
155
        self.map = self.cache.idmap
 
156
 
 
157
 
 
158
class TdbGitShaMapTests(TestCaseInTempDir, TestGitShaMap):
 
159
 
 
160
    def setUp(self):
 
161
        TestCaseInTempDir.setUp(self)
 
162
        try:
 
163
            self.cache = TdbBzrGitCache(os.path.join(self.test_dir, 'foo.tdb'))
 
164
        except ImportError:
 
165
            raise UnavailableFeature("Missing tdb")
 
166
        self.map = self.cache.idmap
 
167
 
 
168
 
 
169
class IndexGitShaMapTests(TestCaseInTempDir, TestGitShaMap):
 
170
 
 
171
    def setUp(self):
 
172
        TestCaseInTempDir.setUp(self)
 
173
        transport = get_transport(self.test_dir)
 
174
        IndexGitCacheFormat().initialize(transport)
 
175
        self.cache = IndexBzrGitCache(transport)
 
176
        self.map = self.cache.idmap