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# Copyright (C) 2006-2010 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
"""Black-box tests for bzr branch."""
import os
from bzrlib import (
branch,
bzrdir,
errors,
repository,
revision as _mod_revision,
)
from bzrlib.repofmt.knitrepo import RepositoryFormatKnit1
from bzrlib.tests.blackbox import ExternalBase
from bzrlib.tests import (
KnownFailure,
HardlinkFeature,
test_server,
)
from bzrlib.tests.test_sftp_transport import TestCaseWithSFTPServer
from bzrlib.urlutils import local_path_to_url, strip_trailing_slash
from bzrlib.workingtree import WorkingTree
class TestBranch(ExternalBase):
def example_branch(self, path='.'):
tree = self.make_branch_and_tree(path)
self.build_tree_contents([(path + '/hello', 'foo')])
tree.add('hello')
tree.commit(message='setup')
self.build_tree_contents([(path + '/goodbye', 'baz')])
tree.add('goodbye')
tree.commit(message='setup')
def test_branch(self):
"""Branch from one branch to another."""
self.example_branch('a')
self.run_bzr('branch a b')
b = branch.Branch.open('b')
self.run_bzr('branch a c -r 1')
# previously was erroneously created by branching
self.assertFalse(b._transport.has('branch-name'))
b.bzrdir.open_workingtree().commit(message='foo', allow_pointless=True)
def test_branch_switch_no_branch(self):
# No branch in the current directory:
# => new branch will be created, but switch fails
self.example_branch('a')
self.make_repository('current')
self.run_bzr_error(['No WorkingTree exists for'],
'branch --switch ../a ../b', working_dir='current')
a = branch.Branch.open('a')
b = branch.Branch.open('b')
self.assertEqual(a.last_revision(), b.last_revision())
def test_branch_switch_no_wt(self):
# No working tree in the current directory:
# => new branch will be created, but switch fails and the current
# branch is unmodified
self.example_branch('a')
self.make_branch('current')
self.run_bzr_error(['No WorkingTree exists for'],
'branch --switch ../a ../b', working_dir='current')
a = branch.Branch.open('a')
b = branch.Branch.open('b')
self.assertEqual(a.last_revision(), b.last_revision())
work = branch.Branch.open('current')
self.assertEqual(work.last_revision(), _mod_revision.NULL_REVISION)
def test_branch_switch_no_checkout(self):
# Standalone branch in the current directory:
# => new branch will be created, but switch fails and the current
# branch is unmodified
self.example_branch('a')
self.make_branch_and_tree('current')
self.run_bzr_error(['Cannot switch a branch, only a checkout'],
'branch --switch ../a ../b', working_dir='current')
a = branch.Branch.open('a')
b = branch.Branch.open('b')
self.assertEqual(a.last_revision(), b.last_revision())
work = branch.Branch.open('current')
self.assertEqual(work.last_revision(), _mod_revision.NULL_REVISION)
def test_branch_switch_checkout(self):
# Checkout in the current directory:
# => new branch will be created and checkout bound to the new branch
self.example_branch('a')
self.run_bzr('checkout a current')
out, err = self.run_bzr('branch --switch ../a ../b', working_dir='current')
a = branch.Branch.open('a')
b = branch.Branch.open('b')
self.assertEqual(a.last_revision(), b.last_revision())
work = WorkingTree.open('current')
self.assertEndsWith(work.branch.get_bound_location(), '/b/')
self.assertContainsRe(err, "Switched to branch: .*/b/")
def test_branch_switch_lightweight_checkout(self):
# Lightweight checkout in the current directory:
# => new branch will be created and lightweight checkout pointed to
# the new branch
self.example_branch('a')
self.run_bzr('checkout --lightweight a current')
out, err = self.run_bzr('branch --switch ../a ../b', working_dir='current')
a = branch.Branch.open('a')
b = branch.Branch.open('b')
self.assertEqual(a.last_revision(), b.last_revision())
work = WorkingTree.open('current')
self.assertEndsWith(work.branch.base, '/b/')
self.assertContainsRe(err, "Switched to branch: .*/b/")
def test_branch_only_copies_history(self):
# Knit branches should only push the history for the current revision.
format = bzrdir.BzrDirMetaFormat1()
format.repository_format = RepositoryFormatKnit1()
shared_repo = self.make_repository('repo', format=format, shared=True)
shared_repo.set_make_working_trees(True)
def make_shared_tree(path):
shared_repo.bzrdir.root_transport.mkdir(path)
shared_repo.bzrdir.create_branch_convenience('repo/' + path)
return WorkingTree.open('repo/' + path)
tree_a = make_shared_tree('a')
self.build_tree(['repo/a/file'])
tree_a.add('file')
tree_a.commit('commit a-1', rev_id='a-1')
f = open('repo/a/file', 'ab')
f.write('more stuff\n')
f.close()
tree_a.commit('commit a-2', rev_id='a-2')
tree_b = make_shared_tree('b')
self.build_tree(['repo/b/file'])
tree_b.add('file')
tree_b.commit('commit b-1', rev_id='b-1')
self.assertTrue(shared_repo.has_revision('a-1'))
self.assertTrue(shared_repo.has_revision('a-2'))
self.assertTrue(shared_repo.has_revision('b-1'))
# Now that we have a repository with shared files, make sure
# that things aren't copied out by a 'branch'
self.run_bzr('branch repo/b branch-b')
pushed_tree = WorkingTree.open('branch-b')
pushed_repo = pushed_tree.branch.repository
self.assertFalse(pushed_repo.has_revision('a-1'))
self.assertFalse(pushed_repo.has_revision('a-2'))
self.assertTrue(pushed_repo.has_revision('b-1'))
def test_branch_hardlink(self):
self.requireFeature(HardlinkFeature)
source = self.make_branch_and_tree('source')
self.build_tree(['source/file1'])
source.add('file1')
source.commit('added file')
out, err = self.run_bzr(['branch', 'source', 'target', '--hardlink'])
source_stat = os.stat('source/file1')
target_stat = os.stat('target/file1')
self.assertEqual(source_stat, target_stat)
def test_branch_standalone(self):
shared_repo = self.make_repository('repo', shared=True)
self.example_branch('source')
self.run_bzr('branch --standalone source repo/target')
b = branch.Branch.open('repo/target')
expected_repo_path = os.path.abspath('repo/target/.bzr/repository')
self.assertEqual(strip_trailing_slash(b.repository.base),
strip_trailing_slash(local_path_to_url(expected_repo_path)))
def test_branch_no_tree(self):
self.example_branch('source')
self.run_bzr('branch --no-tree source target')
self.failIfExists('target/hello')
self.failIfExists('target/goodbye')
def test_branch_into_existing_dir(self):
self.example_branch('a')
# existing dir with similar files but no .bzr dir
self.build_tree_contents([('b/',)])
self.build_tree_contents([('b/hello', 'bar')]) # different content
self.build_tree_contents([('b/goodbye', 'baz')])# same content
# fails without --use-existing-dir
out,err = self.run_bzr('branch a b', retcode=3)
self.assertEqual('', out)
self.assertEqual('bzr: ERROR: Target directory "b" already exists.\n',
err)
# force operation
self.run_bzr('branch a b --use-existing-dir')
# check conflicts
self.failUnlessExists('b/hello.moved')
self.failIfExists('b/godbye.moved')
# we can't branch into branch
out,err = self.run_bzr('branch a b --use-existing-dir', retcode=3)
self.assertEqual('', out)
self.assertEqual('bzr: ERROR: Already a branch: "b".\n', err)
def test_branch_bind(self):
self.example_branch('a')
out, err = self.run_bzr('branch a b --bind')
self.assertEndsWith(err, "New branch bound to a\n")
b = branch.Branch.open('b')
self.assertEndsWith(b.get_bound_location(), '/a/')
class TestBranchStacked(ExternalBase):
"""Tests for branch --stacked"""
def assertRevisionInRepository(self, repo_path, revid):
"""Check that a revision is in a repository, disregarding stacking."""
repo = bzrdir.BzrDir.open(repo_path).open_repository()
self.assertTrue(repo.has_revision(revid))
def assertRevisionNotInRepository(self, repo_path, revid):
"""Check that a revision is not in a repository, disregarding stacking."""
repo = bzrdir.BzrDir.open(repo_path).open_repository()
self.assertFalse(repo.has_revision(revid))
def assertRevisionsInBranchRepository(self, revid_list, branch_path):
repo = branch.Branch.open(branch_path).repository
self.assertEqual(set(revid_list),
repo.has_revisions(revid_list))
def test_branch_stacked_branch_not_stacked(self):
"""Branching a stacked branch is not stacked by default"""
# We have a mainline
trunk_tree = self.make_branch_and_tree('target',
format='1.9')
trunk_tree.commit('mainline')
# and a branch from it which is stacked
branch_tree = self.make_branch_and_tree('branch',
format='1.9')
branch_tree.branch.set_stacked_on_url(trunk_tree.branch.base)
# with some work on it
work_tree = trunk_tree.branch.bzrdir.sprout('local').open_workingtree()
work_tree.commit('moar work plz')
work_tree.branch.push(branch_tree.branch)
# branching our local branch gives us a new stacked branch pointing at
# mainline.
out, err = self.run_bzr(['branch', 'branch', 'newbranch'])
self.assertEqual('', out)
self.assertEqual('Branched 2 revision(s).\n',
err)
# it should have preserved the branch format, and so it should be
# capable of supporting stacking, but not actually have a stacked_on
# branch configured
self.assertRaises(errors.NotStacked,
bzrdir.BzrDir.open('newbranch').open_branch().get_stacked_on_url)
def test_branch_stacked_branch_stacked(self):
"""Asking to stack on a stacked branch does work"""
# We have a mainline
trunk_tree = self.make_branch_and_tree('target',
format='1.9')
trunk_revid = trunk_tree.commit('mainline')
# and a branch from it which is stacked
branch_tree = self.make_branch_and_tree('branch',
format='1.9')
branch_tree.branch.set_stacked_on_url(trunk_tree.branch.base)
# with some work on it
work_tree = trunk_tree.branch.bzrdir.sprout('local').open_workingtree()
branch_revid = work_tree.commit('moar work plz')
work_tree.branch.push(branch_tree.branch)
# you can chain branches on from there
out, err = self.run_bzr(['branch', 'branch', '--stacked', 'branch2'])
self.assertEqual('', out)
self.assertEqual('Created new stacked branch referring to %s.\n' %
branch_tree.branch.base, err)
self.assertEqual(branch_tree.branch.base,
branch.Branch.open('branch2').get_stacked_on_url())
branch2_tree = WorkingTree.open('branch2')
branch2_revid = work_tree.commit('work on second stacked branch')
work_tree.branch.push(branch2_tree.branch)
self.assertRevisionInRepository('branch2', branch2_revid)
self.assertRevisionsInBranchRepository(
[trunk_revid, branch_revid, branch2_revid],
'branch2')
def test_branch_stacked(self):
# We have a mainline
trunk_tree = self.make_branch_and_tree('mainline',
format='1.9')
original_revid = trunk_tree.commit('mainline')
self.assertRevisionInRepository('mainline', original_revid)
# and a branch from it which is stacked
out, err = self.run_bzr(['branch', '--stacked', 'mainline',
'newbranch'])
self.assertEqual('', out)
self.assertEqual('Created new stacked branch referring to %s.\n' %
trunk_tree.branch.base, err)
self.assertRevisionNotInRepository('newbranch', original_revid)
new_branch = branch.Branch.open('newbranch')
self.assertEqual(trunk_tree.branch.base, new_branch.get_stacked_on_url())
def test_branch_stacked_from_smart_server(self):
# We can branch stacking on a smart server
self.transport_server = test_server.SmartTCPServer_for_testing
trunk = self.make_branch('mainline', format='1.9')
out, err = self.run_bzr(
['branch', '--stacked', self.get_url('mainline'), 'shallow'])
def test_branch_stacked_from_non_stacked_format(self):
"""The origin format doesn't support stacking"""
trunk = self.make_branch('trunk', format='pack-0.92')
out, err = self.run_bzr(
['branch', '--stacked', 'trunk', 'shallow'])
# We should notify the user that we upgraded their format
self.assertEqualDiff(
'Source repository format does not support stacking, using format:\n'
' Packs 5 (adds stacking support, requires bzr 1.6)\n'
'Source branch format does not support stacking, using format:\n'
' Branch format 7\n'
'Created new stacked branch referring to %s.\n' % (trunk.base,),
err)
def test_branch_stacked_from_rich_root_non_stackable(self):
trunk = self.make_branch('trunk', format='rich-root-pack')
out, err = self.run_bzr(
['branch', '--stacked', 'trunk', 'shallow'])
# We should notify the user that we upgraded their format
self.assertEqualDiff(
'Source repository format does not support stacking, using format:\n'
' Packs 5 rich-root (adds stacking support, requires bzr 1.6.1)\n'
'Source branch format does not support stacking, using format:\n'
' Branch format 7\n'
'Created new stacked branch referring to %s.\n' % (trunk.base,),
err)
class TestSmartServerBranching(ExternalBase):
def test_branch_from_trivial_branch_to_same_server_branch_acceptance(self):
self.setup_smart_server_with_call_log()
t = self.make_branch_and_tree('from')
for count in range(9):
t.commit(message='commit %d' % count)
self.reset_smart_call_log()
out, err = self.run_bzr(['branch', self.get_url('from'),
self.get_url('target')])
# This figure represent the amount of work to perform this use case. It
# is entirely ok to reduce this number if a test fails due to rpc_count
# being too low. If rpc_count increases, more network roundtrips have
# become necessary for this use case. Please do not adjust this number
# upwards without agreement from bzr's network support maintainers.
self.assertLength(38, self.hpss_calls)
def test_branch_from_trivial_branch_streaming_acceptance(self):
self.setup_smart_server_with_call_log()
t = self.make_branch_and_tree('from')
for count in range(9):
t.commit(message='commit %d' % count)
self.reset_smart_call_log()
out, err = self.run_bzr(['branch', self.get_url('from'),
'local-target'])
# This figure represent the amount of work to perform this use case. It
# is entirely ok to reduce this number if a test fails due to rpc_count
# being too low. If rpc_count increases, more network roundtrips have
# become necessary for this use case. Please do not adjust this number
# upwards without agreement from bzr's network support maintainers.
self.assertLength(10, self.hpss_calls)
def test_branch_from_trivial_stacked_branch_streaming_acceptance(self):
self.setup_smart_server_with_call_log()
t = self.make_branch_and_tree('trunk')
for count in range(8):
t.commit(message='commit %d' % count)
tree2 = t.branch.bzrdir.sprout('feature', stacked=True
).open_workingtree()
local_tree = t.branch.bzrdir.sprout('local-working').open_workingtree()
local_tree.commit('feature change')
local_tree.branch.push(tree2.branch)
self.reset_smart_call_log()
out, err = self.run_bzr(['branch', self.get_url('feature'),
'local-target'])
# This figure represent the amount of work to perform this use case. It
# is entirely ok to reduce this number if a test fails due to rpc_count
# being too low. If rpc_count increases, more network roundtrips have
# become necessary for this use case. Please do not adjust this number
# upwards without agreement from bzr's network support maintainers.
self.assertLength(15, self.hpss_calls)
class TestRemoteBranch(TestCaseWithSFTPServer):
def setUp(self):
super(TestRemoteBranch, self).setUp()
tree = self.make_branch_and_tree('branch')
self.build_tree_contents([('branch/file', 'file content\n')])
tree.add('file')
tree.commit('file created')
def test_branch_local_remote(self):
self.run_bzr(['branch', 'branch', self.get_url('remote')])
t = self.get_transport()
# Ensure that no working tree what created remotely
self.assertFalse(t.has('remote/file'))
def test_branch_remote_remote(self):
# Light cheat: we access the branch remotely
self.run_bzr(['branch', self.get_url('branch'),
self.get_url('remote')])
t = self.get_transport()
# Ensure that no working tree what created remotely
self.assertFalse(t.has('remote/file'))
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