# -*- coding: UTF-8 -*-
#
# Copyright 2010-2015 The pygit2 contributors
#
# This file is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License, version 2,
# as published by the Free Software Foundation.
#
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# the authors give you unlimited permission to link the compiled
# version of this file into combinations with other programs,
# and to distribute those combinations without any restriction
# coming from the use of this file.  (The General Public License
# restrictions do apply in other respects; for example, they cover
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.
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"""Tests for merging and information about it."""

# Import from the future
from __future__ import absolute_import
from __future__ import unicode_literals

import unittest
import os

from pygit2 import GIT_MERGE_ANALYSIS_NONE, GIT_MERGE_ANALYSIS_NORMAL, GIT_MERGE_ANALYSIS_UP_TO_DATE
from pygit2 import GIT_MERGE_ANALYSIS_FASTFORWARD, GIT_MERGE_ANALYSIS_UNBORN
import pygit2

from . import utils

class CherrypickTestBasic(utils.RepoTestCaseForMerging):

    def test_cherrypick_none(self):
        self.assertRaises(TypeError, self.repo.cherrypick, None)

    def test_cherrypick_invalid_hex(self):
        branch_head_hex = '12345678'
        self.assertRaises(KeyError, self.repo.cherrypick, branch_head_hex)

    def test_cherrypick_already_something_in_index(self):
        branch_head_hex = '03490f16b15a09913edb3a067a3dc67fbb8d41f1'
        branch_oid = self.repo.get(branch_head_hex).id
        with open(os.path.join(self.repo.workdir, 'inindex.txt'), 'w') as f:
            f.write('new content')
        self.repo.index.add('inindex.txt')
        self.assertRaises(pygit2.GitError, self.repo.cherrypick, branch_oid)

class CherrypickTestWithConflicts(utils.RepoTestCaseForMerging):

    def test_cherrypick_remove_conflicts(self):
        other_branch_tip = '1b2bae55ac95a4be3f8983b86cd579226d0eb247'
        self.repo.cherrypick(other_branch_tip)
        idx = self.repo.index
        conflicts = idx.conflicts
        self.assertTrue(conflicts is not None)
        conflicts['.gitignore']
        del idx.conflicts['.gitignore']
        self.assertRaises(KeyError, conflicts.__getitem__, '.gitignore')
        self.assertTrue(idx.conflicts is None)