# -*- 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')