/brz/remove-bazaar

# Copyright (C) 2007 Canonical Ltd

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

"""Tests for interfacing with a Git Repository"""

import dulwich

from dulwich.repo import (

    Repo as GitRepo,

    )

import os

from bzrlib import (

    errors,

    revision,

    )

from bzrlib.repository import (

    InterRepository,

    Repository,

    )

from bzrlib.plugins.git import (

    dir,

    repository,

    tests,

    )

from bzrlib.plugins.git.mapping import (

    default_mapping,

    )

from bzrlib.plugins.git.object_store import (

    BazaarObjectStore,

    )

from bzrlib.plugins.git.push import (

    MissingObjectsIterator,

    )

class TestGitRepositoryFeatures(tests.TestCaseInTempDir):

    """Feature tests for GitRepository."""

    def _do_commit(self):

        builder = tests.GitBranchBuilder()

        builder.set_file('a', 'text for a\n', False)

        commit_handle = builder.commit('Joe Foo <joe@foo.com>', u'message')

        mapping = builder.finish()

        return mapping[commit_handle]

    def test_open_existing(self):

        GitRepo.init(self.test_dir)

        repo = Repository.open('.')

        self.assertIsInstance(repo, repository.GitRepository)

    def test_has_git_repo(self):

        GitRepo.init(self.test_dir)

        repo = Repository.open('.')

        self.assertIsInstance(repo._git, dulwich.repo.BaseRepo)

    def test_has_revision(self):

        GitRepo.init(self.test_dir)

        commit_id = self._do_commit()

        repo = Repository.open('.')

        self.assertFalse(repo.has_revision('foobar'))

        revid = default_mapping.revision_id_foreign_to_bzr(commit_id)

        self.assertTrue(repo.has_revision(revid))

    def test_has_revisions(self):

        GitRepo.init(self.test_dir)

        commit_id = self._do_commit()

        repo = Repository.open('.')

        self.assertEquals(set(), repo.has_revisions(['foobar']))

        revid = default_mapping.revision_id_foreign_to_bzr(commit_id)

        self.assertEquals(set([revid]), repo.has_revisions(['foobar', revid]))

    def test_get_revision(self):

        # GitRepository.get_revision gives a Revision object.

        # Create a git repository with a revision.

        GitRepo.init(self.test_dir)

        commit_id = self._do_commit()

        # Get the corresponding Revision object.

        revid = default_mapping.revision_id_foreign_to_bzr(commit_id)

        repo = Repository.open('.')

        rev = repo.get_revision(revid)

        self.assertIsInstance(rev, revision.Revision)

    def test_get_revision_unknown(self):

        GitRepo.init(self.test_dir)

        repo = Repository.open('.')

        self.assertRaises(errors.NoSuchRevision, repo.get_revision, "bla")

    def simple_commit(self):

        # Create a git repository with some interesting files in a revision.

        GitRepo.init(self.test_dir)

        builder = tests.GitBranchBuilder()

        builder.set_file('data', 'text\n', False)

        builder.set_file('executable', 'content', True)

        builder.set_link('link', 'broken')

        builder.set_file('subdir/subfile', 'subdir text\n', False)

        commit_handle = builder.commit('Joe Foo <joe@foo.com>', u'message',

            timestamp=1205433193)

        mapping = builder.finish()

        return mapping[commit_handle]

    def test_pack(self):

        commit_id = self.simple_commit()

        repo = Repository.open('.')

        repo.pack()

    def test_revision_tree(self):

        commit_id = self.simple_commit()

        revid = default_mapping.revision_id_foreign_to_bzr(commit_id)

        repo = Repository.open('.')

        tree = repo.revision_tree(revid)

        self.assertEquals(tree.get_revision_id(), revid)

        self.assertEquals("text\n", tree.get_file_text(tree.path2id("data")))

class TestGitRepository(tests.TestCaseWithTransport):

    def _do_commit(self):

        builder = tests.GitBranchBuilder()

        builder.set_file('a', 'text for a\n', False)

        commit_handle = builder.commit('Joe Foo <joe@foo.com>', u'message')

        mapping = builder.finish()

        return mapping[commit_handle]

    def setUp(self):

        tests.TestCaseWithTransport.setUp(self)

        dulwich.repo.Repo.create(self.test_dir)

        self.git_repo = Repository.open(self.test_dir)

    def test_supports_rich_root(self):

        repo = self.git_repo

        self.assertEqual(repo.supports_rich_root(), True)

    def test_get_signature_text(self):

        self.assertRaises(errors.NoSuchRevision, self.git_repo.get_signature_text, revision.NULL_REVISION)

    def test_has_signature_for_revision_id(self):

        self.assertEquals(False, self.git_repo.has_signature_for_revision_id(revision.NULL_REVISION))

    def test_all_revision_ids_none(self):

        self.assertEquals(set([]), self.git_repo.all_revision_ids())

    def test_get_known_graph_ancestry(self):

        cid = self._do_commit()

        revid = default_mapping.revision_id_foreign_to_bzr(cid)

        g = self.git_repo.get_known_graph_ancestry([revid])

        self.assertEquals(frozenset([revid]),

            g.heads([revision.NULL_REVISION, revid]))

        self.assertEqual([(revid, 0, (2,), False), (revision.NULL_REVISION, 0, (1,), True)],

            [(n.key, n.merge_depth, n.revno, n.end_of_merge)

                 for n in g.merge_sort(revid)])

    def test_all_revision_ids(self):

        commit_id = self._do_commit()

        self.assertEquals(

                set([default_mapping.revision_id_foreign_to_bzr(commit_id)]),

                self.git_repo.all_revision_ids())

    def assertIsNullInventory(self, inv):

        self.assertEqual(inv.root, None)

        self.assertEqual(inv.revision_id, revision.NULL_REVISION)

        self.assertEqual(list(inv.iter_entries()), [])

    def test_revision_tree_none(self):

        # GitRepository.revision_tree(None) returns the null tree.

        repo = self.git_repo

        tree = repo.revision_tree(revision.NULL_REVISION)

        self.assertEqual(tree.get_revision_id(), revision.NULL_REVISION)

    def test_get_parent_map_null(self):

        self.assertEquals({revision.NULL_REVISION: ()}, 

                           self.git_repo.get_parent_map([revision.NULL_REVISION]))

class GitRepositoryFormat(tests.TestCase):

    def setUp(self):

        super(GitRepositoryFormat, self).setUp()

        self.format = repository.GitRepositoryFormat()

    def test_get_format_description(self):

        self.assertEquals("Git Repository", self.format.get_format_description())

class RevisionGistImportTests(tests.TestCaseWithTransport):

    def setUp(self):

        tests.TestCaseWithTransport.setUp(self)

        self.git_path = os.path.join(self.test_dir, "git")

        os.mkdir(self.git_path)

        dulwich.repo.Repo.create(self.git_path)

        self.git_repo = Repository.open(self.git_path)

        self.bzr_tree = self.make_branch_and_tree("bzr")

    def get_inter(self):

        return InterRepository.get(self.bzr_tree.branch.repository, 

                                   self.git_repo)

    def object_iter(self):

        store = BazaarObjectStore(self.bzr_tree.branch.repository, default_mapping)

        store_iterator = MissingObjectsIterator(store, self.bzr_tree.branch.repository)

        return store, store_iterator

    def import_rev(self, revid, parent_lookup=None):

        store, store_iter = self.object_iter()

        store._cache.idmap.start_write_group()

        try:

            return store_iter.import_revision(revid, roundtrip=False)

        except:

            store._cache.idmap.abort_write_group()

            raise

        else:

            store._cache.idmap.commit_write_group()

    def test_pointless(self):

        revid = self.bzr_tree.commit("pointless", timestamp=1205433193,

                timezone=0,

                  committer="Jelmer Vernooij <jelmer@samba.org>")

        self.assertEquals("2caa8094a5b794961cd9bf582e3e2bb090db0b14", 

                self.import_rev(revid))

        self.assertEquals("2caa8094a5b794961cd9bf582e3e2bb090db0b14", 

                self.import_rev(revid))

class ForeignTestsRepositoryFactory(object):

    def make_repository(self, transport):

        return dir.LocalGitControlDirFormat().initialize_on_transport(transport).open_repository()