# Copyright (C) 2010, 2011 Sebastian Thiel (byronimo@gmail.com) and contributors
#
# This module is part of GitDB and is released under
# the New BSD License: http://www.opensource.org/licenses/bsd-license.php
from git.test.lib import rorepo_dir
from git.test.db.base import RepoBase

from git.util import bin_to_hex
from git.exc import BadObject

from git.db.complex import CmdCompatibilityGitDB
from git.db.cmd.base import *

from git.refs import TagReference, Reference, RemoteReference


class TestBase(RepoBase):
    RepoCls = CmdCompatibilityGitDB

    def test_basics(self):
        gdb = self.rorepo

        # partial to complete - works with everything
        hexsha = bin_to_hex(gdb.partial_to_complete_sha_hex("0.1.6"))
        assert len(hexsha) == 40

        assert bin_to_hex(gdb.partial_to_complete_sha_hex(hexsha[:20])) == hexsha

        # fails with BadObject
        for invalid_rev in ("0000", "bad/ref", "super bad"):
            self.failUnlessRaises(BadObject, gdb.partial_to_complete_sha_hex, invalid_rev)

    def test_fetch_info(self):
        self.failUnlessRaises(ValueError, CmdCmdFetchInfo._from_line, self.rorepo, "nonsense", '')
        self.failUnlessRaises(ValueError, CmdCmdFetchInfo._from_line, self.rorepo,
                              "? [up to date]      0.1.7RC    -> origin/0.1.7RC", '')

    def test_fetch_info(self):
        # assure we can handle remote-tracking branches
        fetch_info_line_fmt = "c437ee5deb8d00cf02f03720693e4c802e99f390\tnot-for-merge\t%s '0.3' of git://github.com/gitpython-developers/GitPython"
        remote_info_line_fmt = "* [new branch]      nomatter     -> %s"
        fi = CmdFetchInfo._from_line(self.rorepo,
                                     remote_info_line_fmt % "local/master",
                                     fetch_info_line_fmt % 'remote-tracking branch')

        # we wouldn't be here if it wouldn't have worked

        # handles non-default refspecs: One can specify a different path in refs/remotes
        # or a special path just in refs/something for instance

        fi = CmdFetchInfo._from_line(self.rorepo,
                                     remote_info_line_fmt % "subdir/tagname",
                                     fetch_info_line_fmt % 'tag')

        assert isinstance(fi.ref, TagReference)
        assert fi.ref.path.startswith('refs/tags')

        # it could be in a remote direcftory though
        fi = CmdFetchInfo._from_line(self.rorepo,
                                     remote_info_line_fmt % "remotename/tags/tagname",
                                     fetch_info_line_fmt % 'tag')

        assert isinstance(fi.ref, TagReference)
        assert fi.ref.path.startswith('refs/remotes/')

        # it can also be anywhere !
        tag_path = "refs/something/remotename/tags/tagname"
        fi = CmdFetchInfo._from_line(self.rorepo,
                                     remote_info_line_fmt % tag_path,
                                     fetch_info_line_fmt % 'tag')

        assert isinstance(fi.ref, TagReference)
        assert fi.ref.path == tag_path

        # branches default to refs/remotes
        fi = CmdFetchInfo._from_line(self.rorepo,
                                     remote_info_line_fmt % "remotename/branch",
                                     fetch_info_line_fmt % 'branch')

        assert isinstance(fi.ref, RemoteReference)
        assert fi.ref.remote_name == 'remotename'

        # but you can force it anywhere, in which case we only have a references
        fi = CmdFetchInfo._from_line(self.rorepo,
                                     remote_info_line_fmt % "refs/something/branch",
                                     fetch_info_line_fmt % 'branch')

        assert type(fi.ref) is Reference
        assert fi.ref.path == "refs/something/branch"