# Copyright (C) 2007 Canonical Ltd # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program 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; if not, write to the Free Software # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA """Tests for interfacing with a Git Branch""" import dulwich from dulwich.objects import ( Commit, Tag, ) from dulwich.repo import ( Repo as GitRepo, ) import os from bzrlib import ( errors, revision, ) from bzrlib.branch import ( Branch, InterBranch, ) from bzrlib.bzrdir import ( BzrDir, ) from bzrlib.repository import ( Repository, ) from bzrlib.plugins.git import ( LocalGitControlDirFormat, branch, tests, ) from bzrlib.plugins.git.mapping import ( default_mapping, ) class TestGitBranch(tests.TestCaseInTempDir): def test_open_existing(self): GitRepo.init('.') d = BzrDir.open('.') thebranch = d.create_branch() self.assertIsInstance(thebranch, branch.GitBranch) def test_repr(self): GitRepo.init('.') d = BzrDir.open('.') thebranch = d.create_branch() self.assertEquals("" % self.test_dir, repr(thebranch)) def test_last_revision_is_null(self): GitRepo.init('.') thedir = BzrDir.open('.') thebranch = thedir.create_branch() self.assertEqual(revision.NULL_REVISION, thebranch.last_revision()) self.assertEqual((0, revision.NULL_REVISION), thebranch.last_revision_info()) def simple_commit_a(self): r = GitRepo.init('.') self.build_tree(['a']) r.stage(["a"]) return r.do_commit("a", committer="Somebody ") def test_last_revision_is_valid(self): head = self.simple_commit_a() thebranch = Branch.open('.') self.assertEqual(default_mapping.revision_id_foreign_to_bzr(head), thebranch.last_revision()) def test_revision_history(self): reva = self.simple_commit_a() self.build_tree(['b']) r = GitRepo(".") r.stage("b") revb = r.do_commit("b", committer="Somebody ") thebranch = Branch.open('.') self.assertEqual([default_mapping.revision_id_foreign_to_bzr(r) for r in (reva, revb)], thebranch.revision_history()) def test_tag_annotated(self): reva = self.simple_commit_a() o = Tag() o.name = "foo" o.tagger = "Jelmer " o.message = "add tag" o.object = (Commit, reva) o.tag_timezone = 0 o.tag_time = 42 r = GitRepo(".") r.object_store.add_object(o) r['refs/tags/foo'] = o.id thebranch = Branch.open('.') self.assertEquals({"foo": default_mapping.revision_id_foreign_to_bzr(reva)}, thebranch.tags.get_tag_dict()) def test_tag(self): reva = self.simple_commit_a() r = GitRepo(".") r.refs["refs/tags/foo"] = reva thebranch = Branch.open('.') self.assertEquals({"foo": default_mapping.revision_id_foreign_to_bzr(reva)}, thebranch.tags.get_tag_dict()) class TestWithGitBranch(tests.TestCaseWithTransport): def setUp(self): tests.TestCaseWithTransport.setUp(self) dulwich.repo.Repo.create(self.test_dir) d = BzrDir.open(self.test_dir) self.git_branch = d.create_branch() def test_get_parent(self): self.assertIs(None, self.git_branch.get_parent()) def test_get_stacked_on_url(self): self.assertRaises(errors.UnstackableBranchFormat, self.git_branch.get_stacked_on_url) def test_get_physical_lock_status(self): self.assertFalse(self.git_branch.get_physical_lock_status()) class TestGitBranchFormat(tests.TestCase): def setUp(self): super(TestGitBranchFormat, self).setUp() self.format = branch.GitBranchFormat() def test_get_format_description(self): self.assertEquals("Git Branch", self.format.get_format_description()) def test_get_network_name(self): self.assertEquals("git", self.format.network_name()) def test_supports_tags(self): self.assertTrue(self.format.supports_tags()) class BranchTests(tests.TestCaseInTempDir): def make_onerev_branch(self): os.mkdir("d") os.chdir("d") GitRepo.init('.') bb = tests.GitBranchBuilder() bb.set_file("foobar", "foo\nbar\n", False) mark = bb.commit("Somebody ", "mymsg") gitsha = bb.finish()[mark] os.chdir("..") return "d", gitsha def make_tworev_branch(self): os.mkdir("d") os.chdir("d") GitRepo.init('.') bb = tests.GitBranchBuilder() bb.set_file("foobar", "foo\nbar\n", False) mark1 = bb.commit("Somebody ", "mymsg") mark2 = bb.commit("Somebody ", "mymsg") marks = bb.finish() os.chdir("..") return "d", (marks[mark1], marks[mark2]) def clone_git_branch(self, from_url, to_url): from_dir = BzrDir.open(from_url) to_dir = from_dir.sprout(to_url) return to_dir.open_branch() def test_single_rev(self): path, gitsha = self.make_onerev_branch() oldrepo = Repository.open(path) revid = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha) newbranch = self.clone_git_branch(path, "f") self.assertEquals([revid], newbranch.repository.all_revision_ids()) def test_sprouted_tags(self): path, gitsha = self.make_onerev_branch() r = GitRepo(path) r.refs["refs/tags/lala"] = r.head() oldrepo = Repository.open(path) revid = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha) newbranch = self.clone_git_branch(path, "f") self.assertEquals({"lala": revid}, newbranch.tags.get_tag_dict()) self.assertEquals([revid], newbranch.repository.all_revision_ids()) def test_interbranch_pull(self): path, (gitsha1, gitsha2) = self.make_tworev_branch() oldrepo = Repository.open(path) revid2 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha2) newbranch = self.make_branch('g') inter_branch = InterBranch.get(Branch.open(path), newbranch) inter_branch.pull() self.assertEquals(revid2, newbranch.last_revision()) def test_interbranch_pull_noop(self): path, (gitsha1, gitsha2) = self.make_tworev_branch() oldrepo = Repository.open(path) revid2 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha2) newbranch = self.make_branch('g') inter_branch = InterBranch.get(Branch.open(path), newbranch) inter_branch.pull() # This is basically "assertNotRaises" inter_branch.pull() self.assertEquals(revid2, newbranch.last_revision()) def test_interbranch_pull_stop_revision(self): path, (gitsha1, gitsha2) = self.make_tworev_branch() oldrepo = Repository.open(path) revid1 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha1) newbranch = self.make_branch('g') inter_branch = InterBranch.get(Branch.open(path), newbranch) inter_branch.pull(stop_revision=revid1) self.assertEquals(revid1, newbranch.last_revision()) def test_interbranch_limited_pull(self): path, (gitsha1, gitsha2) = self.make_tworev_branch() oldrepo = Repository.open(path) revid1 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha1) revid2 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha2) newbranch = self.make_branch('g') inter_branch = InterBranch.get(Branch.open(path), newbranch) inter_branch.pull(limit=1) self.assertEquals(revid1, newbranch.last_revision()) inter_branch.pull(limit=1) self.assertEquals(revid2, newbranch.last_revision()) class ForeignTestsBranchFactory(object): def make_empty_branch(self, transport): d = LocalGitControlDirFormat().initialize_on_transport(transport) return d.create_branch() make_branch = make_empty_branch