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from bzrlib import (branch, bzrdir, errors, repository)
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revision as _mod_revision,
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from bzrlib.repofmt.knitrepo import RepositoryFormatKnit1
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from bzrlib.tests.blackbox import ExternalBase
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from bzrlib.tests import HardlinkFeature
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from bzrlib.tests import TestCaseWithTransport
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from bzrlib.tests import (
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from bzrlib.tests.test_sftp_transport import TestCaseWithSFTPServer
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from bzrlib.urlutils import local_path_to_url, strip_trailing_slash
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from bzrlib.workingtree import WorkingTree
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class TestBranch(ExternalBase):
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class TestBranch(TestCaseWithTransport):
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def example_branch(self, path='.'):
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tree = self.make_branch_and_tree(path)
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self.assertFalse(b._transport.has('branch-name'))
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b.bzrdir.open_workingtree().commit(message='foo', allow_pointless=True)
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def test_branch_switch_no_branch(self):
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# No branch in the current directory:
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# => new branch will be created, but switch fails
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self.example_branch('a')
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self.make_repository('current')
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self.run_bzr_error(['No WorkingTree exists for'],
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'branch --switch ../a ../b', working_dir='current')
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a = branch.Branch.open('a')
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b = branch.Branch.open('b')
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self.assertEqual(a.last_revision(), b.last_revision())
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def test_branch_switch_no_wt(self):
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# No working tree in the current directory:
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# => new branch will be created, but switch fails and the current
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# branch is unmodified
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self.example_branch('a')
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self.make_branch('current')
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self.run_bzr_error(['No WorkingTree exists for'],
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'branch --switch ../a ../b', working_dir='current')
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a = branch.Branch.open('a')
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b = branch.Branch.open('b')
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self.assertEqual(a.last_revision(), b.last_revision())
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work = branch.Branch.open('current')
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self.assertEqual(work.last_revision(), _mod_revision.NULL_REVISION)
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def test_branch_switch_no_checkout(self):
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# Standalone branch in the current directory:
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# => new branch will be created, but switch fails and the current
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# branch is unmodified
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self.example_branch('a')
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self.make_branch_and_tree('current')
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self.run_bzr_error(['Cannot switch a branch, only a checkout'],
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'branch --switch ../a ../b', working_dir='current')
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a = branch.Branch.open('a')
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b = branch.Branch.open('b')
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self.assertEqual(a.last_revision(), b.last_revision())
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work = branch.Branch.open('current')
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self.assertEqual(work.last_revision(), _mod_revision.NULL_REVISION)
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def test_branch_switch_checkout(self):
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# Checkout in the current directory:
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# => new branch will be created and checkout bound to the new branch
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self.example_branch('a')
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self.run_bzr('checkout a current')
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out, err = self.run_bzr('branch --switch ../a ../b', working_dir='current')
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a = branch.Branch.open('a')
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b = branch.Branch.open('b')
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self.assertEqual(a.last_revision(), b.last_revision())
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work = WorkingTree.open('current')
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self.assertEndsWith(work.branch.get_bound_location(), '/b/')
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self.assertContainsRe(err, "Switched to branch: .*/b/")
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def test_branch_switch_lightweight_checkout(self):
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# Lightweight checkout in the current directory:
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# => new branch will be created and lightweight checkout pointed to
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self.example_branch('a')
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self.run_bzr('checkout --lightweight a current')
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out, err = self.run_bzr('branch --switch ../a ../b', working_dir='current')
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a = branch.Branch.open('a')
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b = branch.Branch.open('b')
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self.assertEqual(a.last_revision(), b.last_revision())
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work = WorkingTree.open('current')
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self.assertEndsWith(work.branch.base, '/b/')
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self.assertContainsRe(err, "Switched to branch: .*/b/")
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def test_branch_only_copies_history(self):
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# Knit branches should only push the history for the current revision.
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format = bzrdir.BzrDirMetaFormat1()
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self.failIfExists('target/hello')
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self.failIfExists('target/goodbye')
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class TestBranchStacked(ExternalBase):
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def test_branch_into_existing_dir(self):
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self.example_branch('a')
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# existing dir with similar files but no .bzr dir
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self.build_tree_contents([('b/',)])
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self.build_tree_contents([('b/hello', 'bar')]) # different content
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self.build_tree_contents([('b/goodbye', 'baz')])# same content
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# fails without --use-existing-dir
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out,err = self.run_bzr('branch a b', retcode=3)
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self.assertEqual('', out)
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self.assertEqual('bzr: ERROR: Target directory "b" already exists.\n',
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self.run_bzr('branch a b --use-existing-dir')
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self.failUnlessExists('b/hello.moved')
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self.failIfExists('b/godbye.moved')
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# we can't branch into branch
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out,err = self.run_bzr('branch a b --use-existing-dir', retcode=3)
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self.assertEqual('', out)
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self.assertEqual('bzr: ERROR: Already a branch: "b".\n', err)
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def test_branch_bind(self):
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self.example_branch('a')
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out, err = self.run_bzr('branch a b --bind')
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self.assertEndsWith(err, "New branch bound to a\n")
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b = branch.Branch.open('b')
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self.assertEndsWith(b.get_bound_location(), '/a/')
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def test_branch_with_post_branch_init_hook(self):
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branch.Branch.hooks.install_named_hook('post_branch_init',
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self.assertLength(0, calls)
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self.example_branch('a')
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self.assertLength(1, calls)
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self.run_bzr('branch a b')
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self.assertLength(2, calls)
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def test_checkout_with_post_branch_init_hook(self):
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branch.Branch.hooks.install_named_hook('post_branch_init',
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self.assertLength(0, calls)
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self.example_branch('a')
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self.assertLength(1, calls)
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self.run_bzr('checkout a b')
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self.assertLength(2, calls)
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def test_lightweight_checkout_with_post_branch_init_hook(self):
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branch.Branch.hooks.install_named_hook('post_branch_init',
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self.assertLength(0, calls)
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self.example_branch('a')
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self.assertLength(1, calls)
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self.run_bzr('checkout --lightweight a b')
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self.assertLength(2, calls)
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class TestBranchStacked(TestCaseWithTransport):
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"""Tests for branch --stacked"""
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def check_shallow_branch(self, branch_revid, stacked_on):
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"""Assert that the branch 'newbranch' has been published correctly.
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:param stacked_on: url of a branch this one is stacked upon.
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:param branch_revid: a revision id that should be the only
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revision present in the stacked branch, and it should not be in
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the reference branch.
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new_branch = branch.Branch.open('newbranch')
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# The branch refers to the mainline
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self.assertEqual(stacked_on, new_branch.get_stacked_on_url())
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# and the branch's work was pushed
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self.assertTrue(new_branch.repository.has_revision(branch_revid))
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# The newly committed revision shoud be present in the stacked branch,
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# but not in the stacked-on branch. Because stacking is set up by the
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# branch object, if we open the stacked branch's repository directly,
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# bypassing the branch, we see only what's in the stacked repository.
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stacked_repo = bzrdir.BzrDir.open('newbranch').open_repository()
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stacked_repo_revisions = set(stacked_repo.all_revision_ids())
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if len(stacked_repo_revisions) != 1:
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self.fail("wrong revisions in stacked repository: %r"
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% (stacked_repo_revisions,))
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def assertRevisionInRepository(self, repo_path, revid):
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"""Check that a revision is in a repository, disregarding stacking."""
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repo = bzrdir.BzrDir.open(repo_path).open_repository()
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"""Branching a stacked branch is not stacked by default"""
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# We have a mainline
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trunk_tree = self.make_branch_and_tree('target',
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format='development')
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trunk_tree.commit('mainline')
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# and a branch from it which is stacked
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branch_tree = self.make_branch_and_tree('branch',
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format='development')
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branch_tree.branch.set_stacked_on_url(trunk_tree.branch.base)
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# with some work on it
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branch_tree.commit('moar work plz')
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work_tree = trunk_tree.branch.bzrdir.sprout('local').open_workingtree()
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work_tree.commit('moar work plz')
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work_tree.branch.push(branch_tree.branch)
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# branching our local branch gives us a new stacked branch pointing at
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out, err = self.run_bzr(['branch', 'branch', 'newbranch'])
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self.assertEqual('', out)
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self.assertEqual('Branched 1 revision(s).\n',
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self.assertEqual('Branched 2 revision(s).\n',
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# it should have preserved the branch format, and so it should be
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# capable of supporting stacking, but not actually have a stacked_on
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"""Asking to stack on a stacked branch does work"""
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# We have a mainline
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trunk_tree = self.make_branch_and_tree('target',
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format='development')
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trunk_revid = trunk_tree.commit('mainline')
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# and a branch from it which is stacked
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branch_tree = self.make_branch_and_tree('branch',
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format='development')
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branch_tree.branch.set_stacked_on_url(trunk_tree.branch.base)
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# with some work on it
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branch_revid = branch_tree.commit('moar work plz')
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work_tree = trunk_tree.branch.bzrdir.sprout('local').open_workingtree()
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branch_revid = work_tree.commit('moar work plz')
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work_tree.branch.push(branch_tree.branch)
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# you can chain branches on from there
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out, err = self.run_bzr(['branch', 'branch', '--stacked', 'branch2'])
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self.assertEqual('', out)
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self.assertEqual('Created new stacked branch referring to %s.\n' %
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trunk_tree.branch.base, err)
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self.assertRevisionNotInRepository('newbranch', original_revid)
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new_tree = WorkingTree.open('newbranch')
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new_revid = new_tree.commit('new work')
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self.check_shallow_branch(new_revid, trunk_tree.branch.base)
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new_branch = branch.Branch.open('newbranch')
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self.assertEqual(trunk_tree.branch.base, new_branch.get_stacked_on_url())
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def test_branch_stacked_from_smart_server(self):
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# We can branch stacking on a smart server
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from bzrlib.smart.server import SmartTCPServer_for_testing
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self.transport_server = SmartTCPServer_for_testing
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trunk = self.make_branch('mainline', format='development')
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self.transport_server = test_server.SmartTCPServer_for_testing
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trunk = self.make_branch('mainline', format='1.9')
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out, err = self.run_bzr(
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['branch', '--stacked', self.get_url('mainline'), 'shallow'])
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['branch', '--stacked', 'trunk', 'shallow'])
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# We should notify the user that we upgraded their format
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self.assertEqualDiff(
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'Source format does not support stacking, using format: \'1.6\'\n'
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'Source repository format does not support stacking, using format:\n'
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' Packs 5 (adds stacking support, requires bzr 1.6)\n'
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'Source branch format does not support stacking, using format:\n'
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'Doing on-the-fly conversion from RepositoryFormatKnitPack1() to RepositoryFormatKnitPack5().\n'
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'This may take some time. Upgrade the repositories to the same format for better performance.\n'
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'Created new stacked branch referring to %s.\n' % (trunk.base,),
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['branch', '--stacked', 'trunk', 'shallow'])
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# We should notify the user that we upgraded their format
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self.assertEqualDiff(
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'Source format does not support stacking, using format:'
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' \'1.6.1-rich-root\'\n'
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'Source repository format does not support stacking, using format:\n'
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' Packs 5 rich-root (adds stacking support, requires bzr 1.6.1)\n'
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'Source branch format does not support stacking, using format:\n'
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'Doing on-the-fly conversion from RepositoryFormatKnitPack4() to RepositoryFormatKnitPack5RichRoot().\n'
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'This may take some time. Upgrade the repositories to the same format for better performance.\n'
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'Created new stacked branch referring to %s.\n' % (trunk.base,),
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class TestSmartServerBranching(ExternalBase):
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class TestSmartServerBranching(TestCaseWithTransport):
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def test_branch_from_trivial_branch_to_same_server_branch_acceptance(self):
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self.setup_smart_server_with_call_log()
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self.reset_smart_call_log()
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out, err = self.run_bzr(['branch', self.get_url('from'),
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self.get_url('target')])
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rpc_count = len(self.hpss_calls)
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# This figure represent the amount of work to perform this use case. It
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# is entirely ok to reduce this number if a test fails due to rpc_count
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# being too low. If rpc_count increases, more network roundtrips have
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# become necessary for this use case. Please do not adjust this number
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# upwards without agreement from bzr's network support maintainers.
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self.assertEqual(53, rpc_count)
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self.assertLength(38, self.hpss_calls)
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def test_branch_from_trivial_branch_streaming_acceptance(self):
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self.setup_smart_server_with_call_log()
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self.reset_smart_call_log()
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out, err = self.run_bzr(['branch', self.get_url('from'),
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rpc_count = len(self.hpss_calls)
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# This figure represent the amount of work to perform this use case. It
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# is entirely ok to reduce this number if a test fails due to rpc_count
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# being too low. If rpc_count increases, more network roundtrips have
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# become necessary for this use case. Please do not adjust this number
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# upwards without agreement from bzr's network support maintainers.
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self.assertEqual(10, rpc_count)
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self.assertLength(10, self.hpss_calls)
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def test_branch_from_trivial_stacked_branch_streaming_acceptance(self):
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self.setup_smart_server_with_call_log()
added
removed
bzrlib/tests/blackbox/test_branch.py
