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tests/test_shamap.py
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"""Tests for GitShaMap."""
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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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    )
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import os
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import stat
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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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    )
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from bzrlib.revision import (
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    Revision,
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    )
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from bzrlib.tests import (
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    TestCase,
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    )
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from bzrlib.plugins.git.shamap import (
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    SqliteBzrGitCache,
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    DictBzrGitCache,
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    TdbBzrGitCache,
 
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    DictGitShaMap,
 
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    SqliteGitShaMap,
 
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    TdbGitShaMap,
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    )
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class TestGitShaMap:
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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
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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, None)
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        updater.finish()
 
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        self.map._add_entry("5686645d49063c73d35436192dfc9a160c672301",
 
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            "commit", ("myrevid", "cc9462f7f8263ef5adfbeff2fb936bb36b504cba"))
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        self.map.commit_write_group()
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        self.assertEquals(
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            ("commit", ("myrevid", "cc9462f7f8263ef5adfbeff2fb936bb36b504cba")),
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            self.map.lookup_git_sha(c.id))
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        self.assertEquals(c.id, self.map.lookup_commit("myrevid"))
 
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            self.map.lookup_git_sha("5686645d49063c73d35436192dfc9a160c672301"))
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    def test_lookup_notfound(self):
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        self.assertRaises(KeyError,
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            self.map.lookup_git_sha, "5686645d49063c73d35436192dfc9a160c672301")
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    def test_blob(self):
 
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        thesha = "5686645d49063c73d35436192dfc9a160c672301"
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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(), 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)
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        updater.finish()
 
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        self.map._add_entry(thesha, "blob", ("myfileid", "myrevid"))
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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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            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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            self.map.lookup_git_sha(thesha))
 
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        invshamap = self.map.get_inventory_sha_map("myrevid")
 
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        self.assertEquals(thesha, invshamap.lookup_blob("myfileid"))
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    def test_tree(self):
 
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        thesha = "5686645d49063c73d35436192dfc9a160c672301"
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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(), None)
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        t = Tree()
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        t.add(stat.S_IFREG, "somename", 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._add_entry(thesha,
 
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            "tree", ("somepath", "myrevid"))
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        self.map.commit_write_group()
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        self.assertEquals(("tree", ("fileid", "myrevid")),
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            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
 
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        self.assertEquals(
 
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            ("tree", ("somepath", "myrevid")),
 
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            self.map.lookup_git_sha(thesha))
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    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, None)
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        updater.finish()
 
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        self.map._add_entry("5686645d49063c73d35436192dfc9a160c672301",
 
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            "commit", ("myrevid", "cc9462f7f8263ef5adfbeff2fb936bb36b504cba"))
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        self.map.commit_write_group()
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        self.assertEquals(["myrevid"], list(self.map.revids()))
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    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"))
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        c = self._get_test_commit()
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        updater.add_object(c, None)
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        updater.finish()
 
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        self.map._add_entry("5686645d49063c73d35436192dfc9a160c672301",
 
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            "commit", ("myrevid", "cc9462f7f8263ef5adfbeff2fb936bb36b504cba"))
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        self.map.commit_write_group()
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        self.assertEquals(set(["lala", "bla"]),
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            set(self.map.missing_revisions(["myrevid", "lala", "bla"])))
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    def setUp(self):
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        TestCase.setUp(self)
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        self.cache = DictBzrGitCache()
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        self.map = self.cache.idmap
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class SqliteGitShaMapTests(TestCaseInTempDir,TestGitShaMap):
 
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        self.map = DictGitShaMap()
 
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class SqliteGitShaMapTests(TestCase,TestGitShaMap):
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    def setUp(self):
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        TestCaseInTempDir.setUp(self)
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        self.cache = SqliteBzrGitCache(os.path.join(self.test_dir, 'foo.db'))
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        self.map = self.cache.idmap
 
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        TestCase.setUp(self)
 
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        self.map = SqliteGitShaMap()
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class TdbGitShaMapTests(TestCaseInTempDir,TestGitShaMap):
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    def setUp(self):
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        TestCaseInTempDir.setUp(self)
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        try:
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            self.cache = TdbBzrGitCache(os.path.join(self.test_dir, 'foo.tdb'))
 
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            self.map = TdbGitShaMap(os.path.join(self.test_dir, 'foo.tdb'))
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        except ImportError:
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            raise UnavailableFeature("Missing tdb")
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        self.map = self.cache.idmap