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# Copyright (C) 2007 Canonical Ltd
 
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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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# 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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# 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 interfacing with a Git Repository"""
 
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from dulwich.repo import (
 
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from bzrlib.repository import (
 
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from bzrlib.plugins.git import (
 
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from bzrlib.plugins.git.mapping import (
 
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from bzrlib.plugins.git.object_store import (
 
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from bzrlib.plugins.git.push import (
 
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    MissingObjectsIterator,
 
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class TestGitRepositoryFeatures(tests.TestCaseInTempDir):
 
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    """Feature tests for GitRepository."""
 
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        builder = tests.GitBranchBuilder()
 
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        builder.set_file('a', 'text for a\n', False)
 
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        commit_handle = builder.commit('Joe Foo <joe@foo.com>', u'message')
 
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        mapping = builder.finish()
 
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        return mapping[commit_handle]
 
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    def test_open_existing(self):
 
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        GitRepo.init(self.test_dir)
 
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        repo = Repository.open('.')
 
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        self.assertIsInstance(repo, repository.GitRepository)
 
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    def test_has_git_repo(self):
 
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        GitRepo.init(self.test_dir)
 
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        repo = Repository.open('.')
 
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        self.assertIsInstance(repo._git, dulwich.repo.BaseRepo)
 
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    def test_has_revision(self):
 
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        GitRepo.init(self.test_dir)
 
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        commit_id = self._do_commit()
 
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        repo = Repository.open('.')
 
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        self.assertFalse(repo.has_revision('foobar'))
 
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        revid = default_mapping.revision_id_foreign_to_bzr(commit_id)
 
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        self.assertTrue(repo.has_revision(revid))
 
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    def test_has_revisions(self):
 
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        GitRepo.init(self.test_dir)
 
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        commit_id = self._do_commit()
 
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        repo = Repository.open('.')
 
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        self.assertEquals(set(), repo.has_revisions(['foobar']))
 
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        revid = default_mapping.revision_id_foreign_to_bzr(commit_id)
 
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        self.assertEquals(set([revid]), repo.has_revisions(['foobar', revid]))
 
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    def test_get_revision(self):
 
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        # GitRepository.get_revision gives a Revision object.
 
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        # Create a git repository with a revision.
 
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        GitRepo.init(self.test_dir)
 
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        commit_id = self._do_commit()
 
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        # Get the corresponding Revision object.
 
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        revid = default_mapping.revision_id_foreign_to_bzr(commit_id)
 
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        repo = Repository.open('.')
 
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        rev = repo.get_revision(revid)
 
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        self.assertIsInstance(rev, revision.Revision)
 
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    def test_get_revision_unknown(self):
 
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        GitRepo.init(self.test_dir)
 
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        repo = Repository.open('.')
 
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        self.assertRaises(errors.NoSuchRevision, repo.get_revision, "bla")
 
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    def simple_commit(self):
 
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        # Create a git repository with some interesting files in a revision.
 
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        GitRepo.init(self.test_dir)
 
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        builder = tests.GitBranchBuilder()
 
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        builder.set_file('data', 'text\n', False)
 
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        builder.set_file('executable', 'content', True)
 
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        builder.set_link('link', 'broken')
 
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        builder.set_file('subdir/subfile', 'subdir text\n', False)
 
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        commit_handle = builder.commit('Joe Foo <joe@foo.com>', u'message',
 
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            timestamp=1205433193)
 
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        mapping = builder.finish()
 
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        return mapping[commit_handle]
 
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        commit_id = self.simple_commit()
 
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        repo = Repository.open('.')
 
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    def test_revision_tree(self):
 
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        commit_id = self.simple_commit()
 
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        revid = default_mapping.revision_id_foreign_to_bzr(commit_id)
 
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        repo = Repository.open('.')
 
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        tree = repo.revision_tree(revid)
 
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        self.assertEquals(tree.get_revision_id(), revid)
 
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        self.assertEquals("text\n", tree.get_file_text(tree.path2id("data")))
 
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    def test_get_inventory(self):
 
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        # GitRepository.get_inventory gives a GitInventory object with
 
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        # plausible entries for typical cases.
 
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        commit_id = self.simple_commit()
 
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        # Get the corresponding Inventory object.
 
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        revid = default_mapping.revision_id_foreign_to_bzr(commit_id)
 
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        repo = Repository.open('.')
 
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        inv = repo.get_inventory(revid)
 
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        self.assertIsInstance(inv, inventory.Inventory)
 
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        printed_inv = '\n'.join(
 
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            repr((path, entry.executable, entry))
 
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            for path, entry in inv.iter_entries())
 
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        self.assertEqualDiff(
 
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            "('', False, GitInventoryDirectory('TREE_ROOT', u'', parent_id=None,"
 
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            " revision='"+default_mapping.revision_id_foreign_to_bzr("69c39cfa65962f3cf16b9b3eb08a15954e9d8590")+"'))\n"
 
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            "(u'data', False, GitInventoryFile('data', u'data',"
 
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            " parent_id='TREE_ROOT',"
 
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            " sha1='aa785adca3fcdfe1884ae840e13c6d294a2414e8', len=5, revision="+default_mapping.revid_prefix+":69c39cfa65962f3cf16b9b3eb08a15954e9d8590))\n"
 
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            "(u'executable', True, GitInventoryFile('executable', u'executable',"
 
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            " parent_id='TREE_ROOT',"
 
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            " sha1='040f06fd774092478d450774f5ba30c5da78acc8', len=7, revision="+default_mapping.revid_prefix+":69c39cfa65962f3cf16b9b3eb08a15954e9d8590))\n"
 
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            "(u'link', False, GitInventoryLink('link', u'link',"
 
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            " parent_id='TREE_ROOT', revision='"+default_mapping.revision_id_foreign_to_bzr("69c39cfa65962f3cf16b9b3eb08a15954e9d8590")+"'))\n"
 
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            "(u'subdir', False, GitInventoryDirectory('subdir', u'subdir',"
 
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            " parent_id='TREE_ROOT', revision='"+default_mapping.revision_id_foreign_to_bzr("69c39cfa65962f3cf16b9b3eb08a15954e9d8590")+"'))\n"
 
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            "(u'subdir/subfile', False, GitInventoryFile('subdir/subfile',"
 
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            " u'subfile', parent_id='subdir',"
 
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            " sha1='67b75c3e49f31fcadddbf9df6a1d8be8c3e44290', len=12, revision="+default_mapping.revid_prefix+":69c39cfa65962f3cf16b9b3eb08a15954e9d8590))")
 
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class TestGitRepository(tests.TestCaseWithTransport):
 
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    def _do_commit(self):
 
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        builder = tests.GitBranchBuilder()
 
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        builder.set_file('a', 'text for a\n', False)
 
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        commit_handle = builder.commit('Joe Foo <joe@foo.com>', u'message')
 
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        mapping = builder.finish()
 
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        return mapping[commit_handle]
 
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        tests.TestCaseWithTransport.setUp(self)
 
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        dulwich.repo.Repo.create(self.test_dir)
 
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        self.git_repo = Repository.open(self.test_dir)
 
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    def test_supports_rich_root(self):
 
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        self.assertEqual(repo.supports_rich_root(), True)
 
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    def test_get_signature_text(self):
 
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        self.assertRaises(errors.NoSuchRevision, self.git_repo.get_signature_text, revision.NULL_REVISION)
 
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    def test_has_signature_for_revision_id(self):
 
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        self.assertEquals(False, self.git_repo.has_signature_for_revision_id(revision.NULL_REVISION))
 
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    def test_all_revision_ids_none(self):
 
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        self.assertEquals(set([]), self.git_repo.all_revision_ids())
 
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    def test_all_revision_ids(self):
 
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        commit_id = self._do_commit()
 
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                set([default_mapping.revision_id_foreign_to_bzr(commit_id)]),
 
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                self.git_repo.all_revision_ids())
 
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    def test_get_ancestry_null(self):
 
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        self.assertEquals([None, revision.NULL_REVISION], self.git_repo.get_ancestry(revision.NULL_REVISION))
 
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    def assertIsNullInventory(self, inv):
 
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        self.assertEqual(inv.root, None)
 
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        self.assertEqual(inv.revision_id, revision.NULL_REVISION)
 
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        self.assertEqual(list(inv.iter_entries()), [])
 
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    def test_get_inventory_none(self):
 
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        # GitRepository.get_inventory(None) returns the null inventory.
 
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        inv = repo.get_inventory(revision.NULL_REVISION)
 
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        self.assertIsNullInventory(inv)
 
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    def test_revision_tree_none(self):
 
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        # GitRepository.revision_tree(None) returns the null tree.
 
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        tree = repo.revision_tree(revision.NULL_REVISION)
 
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        self.assertEqual(tree.get_revision_id(), revision.NULL_REVISION)
 
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        self.assertIsNullInventory(tree.inventory)
 
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    def test_get_parent_map_null(self):
 
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        self.assertEquals({revision.NULL_REVISION: ()}, 
 
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                           self.git_repo.get_parent_map([revision.NULL_REVISION]))
 
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class GitRepositoryFormat(tests.TestCase):
 
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        super(GitRepositoryFormat, self).setUp()
 
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        self.format = repository.GitRepositoryFormat()
 
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    def test_get_format_description(self):
 
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        self.assertEquals("Git Repository", self.format.get_format_description())
 
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class RevisionGistImportTests(tests.TestCaseWithTransport):
 
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        tests.TestCaseWithTransport.setUp(self)
 
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        self.git_path = os.path.join(self.test_dir, "git")
 
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        os.mkdir(self.git_path)
 
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        dulwich.repo.Repo.create(self.git_path)
 
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        self.git_repo = Repository.open(self.git_path)
 
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        self.bzr_tree = self.make_branch_and_tree("bzr")
 
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        return InterRepository.get(self.bzr_tree.branch.repository, 
 
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    def object_iter(self):
 
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        store = BazaarObjectStore(self.bzr_tree.branch.repository, default_mapping)
 
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        store_iterator = MissingObjectsIterator(store, self.bzr_tree.branch.repository)
 
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        return store, store_iterator
 
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    def import_rev(self, revid, parent_lookup=None):
 
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        store, store_iter = self.object_iter()
 
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        store._cache.idmap.start_write_group()
 
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            return store_iter.import_revision(revid, roundtrip=False)
 
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            store._cache.idmap.abort_write_group()
 
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            store._cache.idmap.commit_write_group()
 
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    def test_pointless(self):
 
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        revid = self.bzr_tree.commit("pointless", timestamp=1205433193,
 
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                  committer="Jelmer Vernooij <jelmer@samba.org>")
 
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        self.assertEquals("2caa8094a5b794961cd9bf582e3e2bb090db0b14", 
 
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                self.import_rev(revid))
 
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        self.assertEquals("2caa8094a5b794961cd9bf582e3e2bb090db0b14", 
 
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                self.import_rev(revid))
 
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class ForeignTestsRepositoryFactory(object):
 
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    def make_repository(self, transport):
 
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        return dir.LocalGitControlDirFormat().initialize_on_transport(transport).open_repository()