deb-python-pygit2/test/test_merge.py
2017-03-22 21:15:34 +01:00

194 lines
8.4 KiB
Python

# -*- coding: UTF-8 -*-
#
# Copyright 2010-2017 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.
#
# In addition to the permissions in the GNU General Public License,
# 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
# modification of the file, and distribution when not linked into
# a combined executable.)
#
# This file 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; see the file COPYING. If not, write to
# the Free Software Foundation, 51 Franklin Street, Fifth Floor,
# Boston, MA 02110-1301, USA.
"""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 MergeTestBasic(utils.RepoTestCaseForMerging):
def test_merge_none(self):
self.assertRaises(TypeError, self.repo.merge, None)
def test_merge_analysis_uptodate(self):
branch_head_hex = '5ebeeebb320790caf276b9fc8b24546d63316533'
branch_id = self.repo.get(branch_head_hex).id
analysis, preference = self.repo.merge_analysis(branch_id)
self.assertTrue(analysis & GIT_MERGE_ANALYSIS_UP_TO_DATE)
self.assertFalse(analysis & GIT_MERGE_ANALYSIS_FASTFORWARD)
self.assertEqual({}, self.repo.status())
def test_merge_analysis_fastforward(self):
branch_head_hex = 'e97b4cfd5db0fb4ebabf4f203979ca4e5d1c7c87'
branch_id = self.repo.get(branch_head_hex).id
analysis, preference = self.repo.merge_analysis(branch_id)
self.assertFalse(analysis & GIT_MERGE_ANALYSIS_UP_TO_DATE)
self.assertTrue(analysis & GIT_MERGE_ANALYSIS_FASTFORWARD)
self.assertEqual({}, self.repo.status())
def test_merge_no_fastforward_no_conflicts(self):
branch_head_hex = '03490f16b15a09913edb3a067a3dc67fbb8d41f1'
branch_id = self.repo.get(branch_head_hex).id
analysis, preference = self.repo.merge_analysis(branch_id)
self.assertFalse(analysis & GIT_MERGE_ANALYSIS_UP_TO_DATE)
self.assertFalse(analysis & GIT_MERGE_ANALYSIS_FASTFORWARD)
# Asking twice to assure the reference counting is correct
self.assertEqual({}, self.repo.status())
self.assertEqual({}, self.repo.status())
def test_merge_no_fastforward_conflicts(self):
branch_head_hex = '1b2bae55ac95a4be3f8983b86cd579226d0eb247'
branch_id = self.repo.get(branch_head_hex).id
analysis, preference = self.repo.merge_analysis(branch_id)
self.assertFalse(analysis & GIT_MERGE_ANALYSIS_UP_TO_DATE)
self.assertFalse(analysis & GIT_MERGE_ANALYSIS_FASTFORWARD)
self.repo.merge(branch_id)
self.assertTrue(self.repo.index.conflicts is not None)
status = pygit2.GIT_STATUS_CONFLICTED
# Asking twice to assure the reference counting is correct
self.assertEqual({'.gitignore': status}, self.repo.status())
self.assertEqual({'.gitignore': status}, self.repo.status())
# Checking the index works as expected
self.repo.index.add('.gitignore')
self.repo.index.write()
self.assertEqual({'.gitignore': pygit2.GIT_STATUS_INDEX_MODIFIED}, self.repo.status())
def test_merge_invalid_hex(self):
branch_head_hex = '12345678'
self.assertRaises(KeyError, self.repo.merge, branch_head_hex)
def test_merge_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.merge, branch_oid)
class MergeTestWithConflicts(utils.RepoTestCaseForMerging):
def test_merge_no_fastforward_conflicts(self):
branch_head_hex = '1b2bae55ac95a4be3f8983b86cd579226d0eb247'
branch_id = self.repo.get(branch_head_hex).id
analysis, preference = self.repo.merge_analysis(branch_id)
self.assertFalse(analysis & GIT_MERGE_ANALYSIS_UP_TO_DATE)
self.assertFalse(analysis & GIT_MERGE_ANALYSIS_FASTFORWARD)
self.repo.merge(branch_id)
self.assertTrue(self.repo.index.conflicts is not None)
self.assertRaises(KeyError, self.repo.index.conflicts.__getitem__, 'some-file')
ancestor, ours, theirs = self.repo.index.conflicts['.gitignore']
self.assertEqual(None, ancestor)
self.assertNotEqual(None, ours)
self.assertNotEqual(None, theirs)
self.assertEqual('.gitignore', ours.path)
self.assertEqual('.gitignore', theirs.path)
self.assertEqual(1, len(list(self.repo.index.conflicts)))
# Checking the index works as expected
self.repo.index.add('.gitignore')
self.repo.index.write()
self.assertTrue(self.repo.index.conflicts is None)
def test_merge_remove_conflicts(self):
other_branch_tip = '1b2bae55ac95a4be3f8983b86cd579226d0eb247'
self.repo.merge(other_branch_tip)
idx = self.repo.index
conflicts = idx.conflicts
self.assertTrue(conflicts is not None)
try:
conflicts['.gitignore']
except KeyError:
self.fail("conflicts['.gitignore'] raised KeyError unexpectedly")
del idx.conflicts['.gitignore']
self.assertRaises(KeyError, conflicts.__getitem__, '.gitignore')
self.assertTrue(idx.conflicts is None)
class MergeCommitsTest(utils.RepoTestCaseForMerging):
def test_merge_commits(self):
branch_head_hex = '03490f16b15a09913edb3a067a3dc67fbb8d41f1'
branch_id = self.repo.get(branch_head_hex).id
merge_index = self.repo.merge_commits(self.repo.head.target, branch_head_hex)
self.assertTrue(merge_index.conflicts is None)
merge_commits_tree = merge_index.write_tree(self.repo)
self.repo.merge(branch_id)
index = self.repo.index
self.assertTrue(index.conflicts is None)
merge_tree = index.write_tree()
self.assertEqual(merge_tree, merge_commits_tree)
def test_merge_commits_favor(self):
branch_head_hex = '1b2bae55ac95a4be3f8983b86cd579226d0eb247'
merge_index = self.repo.merge_commits(self.repo.head.target, branch_head_hex, favor='ours')
self.assertTrue(merge_index.conflicts is None)
self.assertRaises(ValueError, self.repo.merge_commits, self.repo.head.target, branch_head_hex, favor='foo')
class MergeTreesTest(utils.RepoTestCaseForMerging):
def test_merge_trees(self):
branch_head_hex = '03490f16b15a09913edb3a067a3dc67fbb8d41f1'
branch_id = self.repo.get(branch_head_hex).id
ancestor_id = self.repo.merge_base(self.repo.head.target, branch_id)
merge_index = self.repo.merge_trees(ancestor_id, self.repo.head.target, branch_head_hex)
self.assertTrue(merge_index.conflicts is None)
merge_commits_tree = merge_index.write_tree(self.repo)
self.repo.merge(branch_id)
index = self.repo.index
self.assertTrue(index.conflicts is None)
merge_tree = index.write_tree()
self.assertEqual(merge_tree, merge_commits_tree)
def test_merge_commits_favor(self):
branch_head_hex = '1b2bae55ac95a4be3f8983b86cd579226d0eb247'
ancestor_id = self.repo.merge_base(self.repo.head.target, branch_head_hex)
merge_index = self.repo.merge_trees(ancestor_id, self.repo.head.target, branch_head_hex, favor='ours')
self.assertTrue(merge_index.conflicts is None)
self.assertRaises(ValueError, self.repo.merge_trees, ancestor_id, self.repo.head.target, branch_head_hex, favor='foo')