self.assertEqual(revs[-1], self.repo.get_changeset(sto - 1))

    def test_branches(self):

        # TODO: Need more tests here

        # Removed (those are 'remotes' branches for cloned repo)

        #self.assertTrue('master' in self.repo.branches)

        #self.assertTrue('gittree' in self.repo.branches)

        #self.assertTrue('web-branch' in self.repo.branches)

        for name, id in self.repo.branches.items():

            self.assertTrue(isinstance(

                self.repo.get_changeset(id), GitChangeset))

    def test_tags(self):

        # TODO: Need more tests here

        self.assertTrue('v0.1.1' in self.repo.tags)

        self.assertTrue('v0.1.2' in self.repo.tags)

        for name, id in self.repo.tags.items():

            self.assertTrue(isinstance(

                self.repo.get_changeset(id), GitChangeset))

    def _test_single_changeset_cache(self, revision):

        chset = self.repo.get_changeset(revision)

        self.assertTrue(revision in self.repo.changesets)

        self.assertTrue(chset is self.repo.changesets[revision])

    def test_initial_changeset(self):

        id = self.repo.revisions[0]

        init_chset = self.repo.get_changeset(id)

        self.assertEqual(init_chset.message, 'initial import\n')

        self.assertEqual(init_chset.author,

            'Marcin Kuzminski <marcin@python-blog.com>')

        for path in ('vcs/__init__.py',

                     'vcs/backends/BaseRepository.py',

                     'vcs/backends/__init__.py'):

            self.assertTrue(isinstance(init_chset.get_node(path), FileNode))

        for path in ('', 'vcs', 'vcs/backends'):

            self.assertTrue(isinstance(init_chset.get_node(path), DirNode))

        self.assertRaises(NodeDoesNotExistError, init_chset.get_node, path='foobar')

        node = init_chset.get_node('vcs/')

        self.assertTrue(hasattr(node, 'kind'))

        self.assertEqual(node.kind, NodeKind.DIR)

        node = init_chset.get_node('vcs')

        self.assertTrue(hasattr(node, 'kind'))

        self.assertEqual(node.kind, NodeKind.DIR)

        node = init_chset.get_node('vcs/__init__.py')

        self.assertTrue(hasattr(node, 'kind'))

        self.assertEqual(node.kind, NodeKind.FILE)

    def test_not_existing_changeset(self):

        self.assertRaises(RepositoryError, self.repo.get_changeset,

            'f' * 40)

    def test_changeset10(self):

        chset10 = self.repo.get_changeset(self.repo.revisions[9])

        readme = """===

VCS

===

Various Version Control System management abstraction layer for Python.

Introduction

------------

TODO: To be written...

"""

        node = chset10.get_node('README.rst')

        self.assertEqual(node.kind, NodeKind.FILE)

        self.assertEqual(node.content, readme)

class GitChangesetTest(unittest.TestCase):

    def setUp(self):

        self.repo = GitRepository(TEST_GIT_REPO)

    def test_default_changeset(self):

        tip = self.repo.get_changeset()

        self.assertEqual(tip, self.repo.get_changeset(None))

        self.assertEqual(tip, self.repo.get_changeset('tip'))

    def test_root_node(self):

        tip = self.repo.get_changeset()

        self.assertTrue(tip.root is tip.get_node(''))

    def test_lazy_fetch(self):

        """

        Test if changeset's nodes expands and are cached as we walk through

        the revision. This test is somewhat hard to write as order of tests

        is a key here. Written by running command after command in a shell.

        """

        self.assertTrue(len(chset.nodes) == 0)

        root = chset.root

        self.assertTrue(len(chset.nodes) == 1)

        self.assertTrue(len(root.nodes) == 8)

        # accessing root.nodes updates chset.nodes

        self.assertTrue(len(chset.nodes) == 9)

        docs = root.get_node('docs')

        # we haven't yet accessed anything new as docs dir was already cached

        self.assertTrue(len(chset.nodes) == 9)

        self.assertTrue(len(docs.nodes) == 8)

        # accessing docs.nodes updates chset.nodes

        self.assertTrue(len(chset.nodes) == 17)

        self.assertTrue(docs is chset.get_node('docs'))

        self.assertTrue(docs is root.nodes[0])

        self.assertTrue(docs is root.dirs[0])

        self.assertTrue(docs is chset.get_node('docs'))

    def test_nodes_with_changeset(self):

        root = chset.root

        docs = root.get_node('docs')

        self.assertTrue(docs is chset.get_node('docs'))

        api = docs.get_node('api')

        self.assertTrue(api is chset.get_node('docs/api'))

        index = api.get_node('index.rst')

        self.assertTrue(index is chset.get_node('docs/api/index.rst'))

        self.assertTrue(index is chset.get_node('docs') \

            .get_node('api') \

            .get_node('index.rst'))

    def test_branch_and_tags(self):

        """

        rev0 = self.repo.revisions[0]

        chset0 = self.repo.get_changeset(rev0)

        self.assertEqual(chset0.branch, 'master')

        self.assertEqual(chset0.tags, [])

        rev10 = self.repo.revisions[10]

        chset10 = self.repo.get_changeset(rev10)

        self.assertEqual(chset10.branch, 'master')

        self.assertEqual(chset10.tags, [])

        rev44 = self.repo.revisions[44]

        chset44 = self.repo.get_changeset(rev44)

        self.assertEqual(chset44.branch, 'web-branch')

        tip = self.repo.get_changeset('tip')

        self.assertTrue('tip' in tip.tags)

        """

        # Those tests would fail - branches are now going

        # to be changed at main API in order to support git backend

        pass

    def _test_slices(self, limit, offset):

        count = self.repo.count()

        changesets = self.repo.get_changesets(limit=limit, offset=offset)

        idx = 0

        for changeset in changesets:

            rev = offset + idx

            idx += 1

            rev_id = self.repo.revisions[rev]

            if idx > limit:

                pytest.fail("Exceeded limit already (getting revision %s, "

                    "there are %s total revisions, offset=%s, limit=%s)"

                    % (rev_id, count, offset, limit))

            self.assertEqual(changeset, self.repo.get_changeset(rev_id))

        result = list(self.repo.get_changesets(limit=limit, offset=offset))

        start = offset

        end = limit and offset + limit or None

        sliced = list(self.repo[start:end])

        pytest.failUnlessEqual(result, sliced,

            msg="Comparison failed for limit=%s, offset=%s"

            "(get_changeset returned: %s and sliced: %s"

            % (limit, offset, result, sliced))

    def _test_file_size(self, revision, path, size):

        node = self.repo.get_changeset(revision).get_node(path)

        self.assertTrue(node.is_file())

        self.assertEqual(node.size, size)

    def test_file_size(self):

        to_check = (

            ('c1214f7e79e02fc37156ff215cd71275450cffc3',

                'vcs/backends/BaseRepository.py', 502),

            ('d7e0d30fbcae12c90680eb095a4f5f02505ce501',

                'vcs/backends/hg.py', 854),

            ('6e125e7c890379446e98980d8ed60fba87d0f6d1',

                'setup.py', 1068),

            ('d955cd312c17b02143c04fa1099a352b04368118',

                'vcs/backends/base.py', 2921),

            ('ca1eb7957a54bce53b12d1a51b13452f95bc7c7e',

                'vcs/backends/base.py', 3936),

            ('f50f42baeed5af6518ef4b0cb2f1423f3851a941',

                'vcs/backends/base.py', 6189),

        )

        for revision, path, size in to_check:

            self._test_file_size(revision, path, size)

    def _test_dir_size(self, revision, path, size):

        node = self.repo.get_changeset(revision).get_node(path)

        self.assertEqual(node.size, size)

    def test_dir_size(self):

        to_check = (

            ('5f2c6ee195929b0be80749243c18121c9864a3b3', '/', 674076),

            ('7ab37bc680b4aa72c34d07b230c866c28e9fc204', '/', 674049),

            ('6892503fb8f2a552cef5f4d4cc2cdbd13ae1cd2f', '/', 671830),

        )

        for revision, path, size in to_check:

            self._test_dir_size(revision, path, size)

    def test_repo_size(self):

        self.assertEqual(self.repo.size, 674076)

    def test_file_history(self):