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tests/test_cache.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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"""Tests for GitShaMap."""
 
18
 
 
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from dulwich.objects import (
 
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    Blob,
 
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    Commit,
 
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    Tree,
 
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    )
 
24
 
 
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import os
 
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import stat
 
27
 
 
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from bzrlib import osutils
 
29
 
 
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from bzrlib.inventory import (
 
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    InventoryFile,
 
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    InventoryDirectory,
 
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    ROOT_ID,
 
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    )
 
35
 
 
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from bzrlib.revision import (
 
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    Revision,
 
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    )
 
39
 
 
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from bzrlib.tests import (
 
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    TestCase,
 
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    TestCaseInTempDir,
 
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    UnavailableFeature,
 
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    )
 
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from bzrlib.transport import (
 
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    get_transport,
 
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    )
 
48
 
 
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from bzrlib.plugins.git.cache import (
 
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    DictBzrGitCache,
 
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    IndexBzrGitCache,
 
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    IndexGitCacheFormat,
 
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    SqliteBzrGitCache,
 
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    TdbBzrGitCache,
 
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    )
 
56
 
 
57
class TestGitShaMap:
 
58
 
 
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    def _get_test_commit(self):
 
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        c = Commit()
 
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        c.committer = "Jelmer <jelmer@samba.org>"
 
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        c.commit_time = 0
 
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        c.commit_timezone = 0
 
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        c.author = "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 = "Teh foo bar"
 
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        c.tree = "cc9462f7f8263ef5adfbeff2fb936bb36b504cba"
 
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        return c
 
70
 
 
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    def test_commit(self):
 
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        self.map.start_write_group()
 
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        updater = self.cache.get_updater(Revision("myrevid"))
 
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        c = self._get_test_commit()
 
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        updater.add_object(c, {
 
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            "testament3-sha1": "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.assertEquals(
 
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            [("commit", ("myrevid",
 
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                "cc9462f7f8263ef5adfbeff2fb936bb36b504cba",
 
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                {"testament3-sha1": "cc9462f7f8263ef5adf8eff2fb936bb36b504cba"},
 
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                ))],
 
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            list(self.map.lookup_git_sha(c.id)))
 
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        self.assertEquals(c.id, self.map.lookup_commit("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("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("myrevid"))
 
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        updater.add_object(self._get_test_commit(), { "testament3-sha1": "Test" }, None)
 
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        b = Blob()
 
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        b.data = "TEH BLOB"
 
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        ie = InventoryFile("myfileid", "somename", ROOT_ID)
 
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        ie.revision = "myrevid"
 
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        updater.add_object(b, ie, None)
 
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        updater.finish()
 
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        self.map.commit_write_group()
 
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        self.assertEquals(
 
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            [("blob", ("myfileid", "myrevid"))],
 
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            list(self.map.lookup_git_sha(b.id)))
 
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        self.assertEquals(b.id,
 
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            self.map.lookup_blob_id("myfileid", "myrevid"))
 
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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("myrevid"))
 
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        updater.add_object(self._get_test_commit(), {
 
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            "testament3-sha1": "mytestamentsha" }, None)
 
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        t = Tree()
 
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        t.add("somename", stat.S_IFREG, Blob().id)
 
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        ie = InventoryDirectory("fileid", "myname", ROOT_ID)
 
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        ie.revision = "irrelevant"
 
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        updater.add_object(t, ie, "")
 
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        updater.finish()
 
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        self.map.commit_write_group()
 
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        self.assertEquals([("tree", ("fileid", "myrevid"))],
 
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            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.assertEquals(t.id,
 
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                self.map.lookup_tree_id("fileid", "myrevid"))
 
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        except NotImplementedError:
 
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            pass
 
129
 
 
130
    def test_revids(self):
 
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        self.map.start_write_group()
 
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        updater = self.cache.get_updater(Revision("myrevid"))
 
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        c = self._get_test_commit()
 
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        updater.add_object(c, {"testament3-sha1": "mtestament"}, None)
 
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        updater.finish()
 
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        self.map.commit_write_group()
 
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        self.assertEquals(["myrevid"], list(self.map.revids()))
 
138
 
 
139
    def test_missing_revisions(self):
 
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        self.map.start_write_group()
 
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        updater = self.cache.get_updater(Revision("myrevid"))
 
142
        c = self._get_test_commit()
 
143
        updater.add_object(c, {"testament3-sha1": "testament"}, None)
 
144
        updater.finish()
 
145
        self.map.commit_write_group()
 
146
        self.assertEquals(set(["lala", "bla"]),
 
147
            set(self.map.missing_revisions(["myrevid", "lala", "bla"])))
 
148
 
 
149
 
 
150
class DictGitShaMapTests(TestCase,TestGitShaMap):
 
151
 
 
152
    def setUp(self):
 
153
        TestCase.setUp(self)
 
154
        self.cache = DictBzrGitCache()
 
155
        self.map = self.cache.idmap
 
156
 
 
157
 
 
158
class SqliteGitShaMapTests(TestCaseInTempDir,TestGitShaMap):
 
159
 
 
160
    def setUp(self):
 
161
        TestCaseInTempDir.setUp(self)
 
162
        self.cache = SqliteBzrGitCache(os.path.join(self.test_dir, 'foo.db'))
 
163
        self.map = self.cache.idmap
 
164
 
 
165
 
 
166
class TdbGitShaMapTests(TestCaseInTempDir,TestGitShaMap):
 
167
 
 
168
    def setUp(self):
 
169
        TestCaseInTempDir.setUp(self)
 
170
        try:
 
171
            self.cache = TdbBzrGitCache(
 
172
                os.path.join(self.test_dir, 'foo.tdb').encode(osutils._fs_enc))
 
173
        except ImportError:
 
174
            raise UnavailableFeature("Missing tdb")
 
175
        self.map = self.cache.idmap
 
176
 
 
177
 
 
178
class IndexGitShaMapTests(TestCaseInTempDir,TestGitShaMap):
 
179
 
 
180
    def setUp(self):
 
181
        TestCaseInTempDir.setUp(self)
 
182
        transport = get_transport(self.test_dir)
 
183
        IndexGitCacheFormat().initialize(transport)
 
184
        self.cache = IndexBzrGitCache(transport)
 
185
        self.map = self.cache.idmap