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# test_base.py
# Copyright (C) 2008, 2009 Michael Trier (mtrier@gmail.com) and contributors
#
# This module is part of GitPython and is released under
# the BSD License: http://www.opensource.org/licenses/bsd-license.php

import git.objects.base as base
import os

from git.test.lib import (
    TestBase,
    assert_raises,
    with_rw_repo,
    with_rw_and_rw_remote_repo
)
from git import (
    Blob,
    Tree,
    Commit,
    TagObject
)
from git.objects.util import get_object_type_by_name
from gitdb.util import hex_to_bin


class TestBase(TestBase):

    type_tuples = (("blob", "8741fc1d09d61f02ffd8cded15ff603eff1ec070", "blob.py"),
                   ("tree", "3a6a5e3eeed3723c09f1ef0399f81ed6b8d82e79", "directory"),
                   ("commit", "4251bd59fb8e11e40c40548cba38180a9536118c", None),
                   ("tag", "e56a60e8e9cd333cfba0140a77cd12b0d9398f10", None))

    def test_base_object(self):
        # test interface of base object classes
        types = (Blob, Tree, Commit, TagObject)
        assert len(types) == len(self.type_tuples)

        s = set()
        num_objs = 0
        num_index_objs = 0
        for obj_type, (typename, hexsha, path) in zip(types, self.type_tuples):
            binsha = hex_to_bin(hexsha)
            item = None
            if path is None:
                item = obj_type(self.rorepo, binsha)
            else:
                item = obj_type(self.rorepo, binsha, 0, path)
            # END handle index objects
            num_objs += 1
            assert item.hexsha == hexsha
            assert item.type == typename
            assert item.size
            assert item == item
            assert not item != item
            assert str(item) == item.hexsha
            assert repr(item)
            s.add(item)

            if isinstance(item, base.IndexObject):
                num_index_objs += 1
                if hasattr(item, 'path'):                        # never runs here
                    assert not item.path.startswith("/")        # must be relative
                    assert isinstance(item.mode, int)
            # END index object check

            # read from stream
            data_stream = item.data_stream
            data = data_stream.read()
            assert data

            tmpfile = os.tmpfile()
            assert item == item.stream_data(tmpfile)
            tmpfile.seek(0)
            assert tmpfile.read() == data
            # END stream to file directly
        # END for each object type to create

        # each has a unique sha
        assert len(s) == num_objs
        assert len(s | s) == num_objs
        assert num_index_objs == 2

    def test_get_object_type_by_name(self):
        for tname in base.Object.TYPES:
            assert base.Object in get_object_type_by_name(tname).mro()
        # END for each known type

        assert_raises(ValueError, get_object_type_by_name, "doesntexist")

    def test_object_resolution(self):
        # objects must be resolved to shas so they compare equal
        assert self.rorepo.head.reference.object == self.rorepo.active_branch.object

    @with_rw_repo('HEAD', bare=True)
    def test_with_bare_rw_repo(self, bare_rw_repo):
        assert bare_rw_repo.config_reader("repository").getboolean("core", "bare")
        assert os.path.isfile(os.path.join(bare_rw_repo.git_dir, 'HEAD'))

    @with_rw_repo('0.1.6')
    def test_with_rw_repo(self, rw_repo):
        assert not rw_repo.config_reader("repository").getboolean("core", "bare")
        assert os.path.isdir(os.path.join(rw_repo.working_tree_dir, 'lib'))

    @with_rw_and_rw_remote_repo('0.1.6')
    def test_with_rw_remote_and_rw_repo(self, rw_repo, rw_remote_repo):
        assert not rw_repo.config_reader("repository").getboolean("core", "bare")
        assert rw_remote_repo.config_reader("repository").getboolean("core", "bare")
        assert os.path.isdir(os.path.join(rw_repo.working_tree_dir, 'lib'))