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# Copyright (C) 2005, 2006, 2007, 2009, 2010 Robey Pointer <robey@lag.net>, 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
"""Tests for branches bound to an sftp branch."""
import os
from bzrlib import (
branch,
bzrdir,
errors,
tests,
)
from bzrlib.tests import test_server
from bzrlib.transport import memory
class BoundSFTPBranch(tests.TestCaseWithTransport):
def setUp(self):
tests.TestCaseWithTransport.setUp(self)
self.vfs_transport_factory = memory.MemoryServer
if self.transport_server is test_server.LocalURLServer:
self.transport_server = None
def create_branches(self):
self.build_tree(['base/', 'base/a', 'base/b'])
format = bzrdir.format_registry.make_bzrdir('knit')
try:
wt_base = bzrdir.BzrDir.create_standalone_workingtree(
self.get_url('base'), format=format)
except errors.NotLocalUrl:
raise tests.TestSkipped('Not a local URL')
b_base = wt_base.branch
wt_base.add('a')
wt_base.add('b')
wt_base.commit('first', rev_id='r@b-1')
wt_child = b_base.bzrdir.sprout('child').open_workingtree()
self.sftp_base = branch.Branch.open(self.get_url('base'))
wt_child.branch.bind(self.sftp_base)
# check the branch histories are ready for using in tests.
self.assertEqual(['r@b-1'], b_base.revision_history())
self.assertEqual(['r@b-1'], wt_child.branch.revision_history())
return b_base, wt_child
def test_simple_binding(self):
self.build_tree(['base/', 'base/a', 'base/b', 'child/'])
try:
wt_base = bzrdir.BzrDir.create_standalone_workingtree(
self.get_url('base'))
except errors.NotLocalUrl:
raise tests.TestSkipped('Not a local URL')
wt_base.add('a')
wt_base.add('b')
wt_base.commit('first', rev_id='r@b-1')
b_base = wt_base.branch
# manually make a branch we can bind, because the default format
# may not be bindable-from, and we want to test the side effects etc
# of bondage.
format = bzrdir.format_registry.make_bzrdir('knit')
b_child = bzrdir.BzrDir.create_branch_convenience(
'child', format=format)
self.assertEqual(None, b_child.get_bound_location())
self.assertEqual(None, b_child.get_master_branch())
sftp_b_base = branch.Branch.open(self.get_url('base'))
b_child.bind(sftp_b_base)
self.assertEqual(sftp_b_base.base, b_child.get_bound_location())
# the bind must not have given b_child history:
self.assertEqual([], b_child.revision_history())
# we should be able to update the branch at this point:
self.assertEqual(None, b_child.update())
# and now there must be history.
self.assertEqual(['r@b-1'], b_child.revision_history())
# this line is more of a working tree test line, but - what the hey,
# it has work to do.
b_child.bzrdir.open_workingtree().update()
self.failUnlessExists('child/a')
self.failUnlessExists('child/b')
b_child.unbind()
self.assertEqual(None, b_child.get_bound_location())
def test_bound_commit(self):
b_base, wt_child = self.create_branches()
open('child/a', 'wb').write('new contents\n')
wt_child.commit('modified a', rev_id='r@c-2')
self.assertEqual(['r@b-1', 'r@c-2'], wt_child.branch.revision_history())
self.assertEqual(['r@b-1', 'r@c-2'], b_base.revision_history())
def test_bound_commit_fails_when_out_of_date(self):
# Make sure commit fails if out of date.
b_base, wt_child = self.create_branches()
open('base/a', 'wb').write('new base contents\n')
b_base.bzrdir.open_workingtree().commit('base', rev_id='r@b-2')
open('child/b', 'wb').write('new b child contents\n')
self.assertRaises(errors.BoundBranchOutOfDate,
wt_child.commit, 'child', rev_id='r@c-2')
sftp_b_base = branch.Branch.open(self.get_url('base'))
# This is all that cmd_update does
wt_child.pull(sftp_b_base, overwrite=False)
wt_child.commit('child', rev_id='r@c-3')
self.assertEqual(['r@b-1', 'r@b-2', 'r@c-3'],
wt_child.branch.revision_history())
self.assertEqual(['r@b-1', 'r@b-2', 'r@c-3'],
b_base.revision_history())
self.assertEqual(['r@b-1', 'r@b-2', 'r@c-3'],
sftp_b_base.revision_history())
def test_double_binding(self):
b_base, wt_child = self.create_branches()
wt_child2 = wt_child.branch.create_checkout('child2')
open('child2/a', 'wb').write('new contents\n')
self.assertRaises(errors.CommitToDoubleBoundBranch,
wt_child2.commit, 'child2', rev_id='r@d-2')
def test_unbinding(self):
from bzrlib import transport
b_base, wt_child = self.create_branches()
# TestCaseWithSFTPServer only allows you to connect one time
# to the SFTP server. So we have to create a connection and
# keep it around, so that it can be reused
__unused_t = transport.get_transport(self.get_url('.'))
wt_base = b_base.bzrdir.open_workingtree()
open('base/a', 'wb').write('new base contents\n')
wt_base.commit('base', rev_id='r@b-2')
open('child/b', 'wb').write('new b child contents\n')
self.assertRaises(errors.BoundBranchOutOfDate,
wt_child.commit, 'child', rev_id='r@c-2')
self.assertEqual(['r@b-1'], wt_child.branch.revision_history())
wt_child.branch.unbind()
wt_child.commit('child', rev_id='r@c-2')
self.assertEqual(['r@b-1', 'r@c-2'], wt_child.branch.revision_history())
self.assertEqual(['r@b-1', 'r@b-2'], b_base.revision_history())
sftp_b_base = branch.Branch.open(self.get_url('base'))
self.assertRaises(errors.DivergedBranches,
wt_child.branch.bind, sftp_b_base)
def test_commit_remote_bound(self):
# Make sure it is detected if the current base is bound during the
# objects lifetime, when the child goes to commit.
b_base, wt_child = self.create_branches()
b_base.bzrdir.sprout('newbase')
sftp_b_base = branch.Branch.open(self.get_url('base'))
sftp_b_newbase = branch.Branch.open(self.get_url('newbase'))
sftp_b_base.bind(sftp_b_newbase)
open('child/a', 'wb').write('new contents\n')
self.assertRaises(errors.CommitToDoubleBoundBranch,
wt_child.commit, 'failure', rev_id='r@c-2')
self.assertEqual(['r@b-1'], b_base.revision_history())
self.assertEqual(['r@b-1'], wt_child.branch.revision_history())
self.assertEqual(['r@b-1'], sftp_b_newbase.revision_history())
def test_bind_diverged(self):
b_base, wt_child = self.create_branches()
wt_child.branch.unbind()
open('child/a', 'ab').write('child contents\n')
wt_child_rev = wt_child.commit('child', rev_id='r@c-2')
self.assertEqual(['r@b-1', 'r@c-2'], wt_child.branch.revision_history())
self.assertEqual(['r@b-1'], b_base.revision_history())
open('base/b', 'ab').write('base contents\n')
b_base.bzrdir.open_workingtree().commit('base', rev_id='r@b-2')
self.assertEqual(['r@b-1', 'r@b-2'], b_base.revision_history())
sftp_b_base = branch.Branch.open(self.get_url('base'))
self.assertRaises(errors.DivergedBranches,
wt_child.branch.bind, sftp_b_base)
wt_child.merge_from_branch(sftp_b_base)
self.assertEqual([wt_child_rev, 'r@b-2'], wt_child.get_parent_ids())
wt_child.commit('merged', rev_id='r@c-3')
# After a merge, trying to bind again should succeed but not push the
# new change.
wt_child.branch.bind(sftp_b_base)
self.assertEqual(['r@b-1', 'r@b-2'], b_base.revision_history())
self.assertEqual(['r@b-1', 'r@c-2', 'r@c-3'],
wt_child.branch.revision_history())
def test_bind_parent_ahead_preserves_parent(self):
b_base, wt_child = self.create_branches()
wt_child.branch.unbind()
open('a', 'ab').write('base changes\n')
wt_base = b_base.bzrdir.open_workingtree()
wt_base.commit('base', rev_id='r@b-2')
self.assertEqual(['r@b-1', 'r@b-2'], b_base.revision_history())
self.assertEqual(['r@b-1'], wt_child.branch.revision_history())
sftp_b_base = branch.Branch.open(self.get_url('base'))
wt_child.branch.bind(sftp_b_base)
self.assertEqual(['r@b-1'], wt_child.branch.revision_history())
wt_child.branch.unbind()
# Check and make sure it also works if parent is ahead multiple
wt_base.commit('base 3', rev_id='r@b-3', allow_pointless=True)
wt_base.commit('base 4', rev_id='r@b-4', allow_pointless=True)
wt_base.commit('base 5', rev_id='r@b-5', allow_pointless=True)
self.assertEqual(['r@b-1', 'r@b-2', 'r@b-3', 'r@b-4', 'r@b-5'],
b_base.revision_history())
self.assertEqual(['r@b-1'], wt_child.branch.revision_history())
wt_child.branch.bind(sftp_b_base)
self.assertEqual(['r@b-1'], wt_child.branch.revision_history())
def test_bind_child_ahead_preserves_child(self):
b_base, wt_child = self.create_branches()
wt_child.branch.unbind()
wt_child.commit('child', rev_id='r@c-2', allow_pointless=True)
self.assertEqual(['r@b-1', 'r@c-2'], wt_child.branch.revision_history())
self.assertEqual(['r@b-1'], b_base.revision_history())
sftp_b_base = branch.Branch.open(self.get_url('base'))
wt_child.branch.bind(sftp_b_base)
self.assertEqual(['r@b-1'], b_base.revision_history())
# Check and make sure it also works if child is ahead multiple
wt_child.branch.unbind()
wt_child.commit('child 3', rev_id='r@c-3', allow_pointless=True)
wt_child.commit('child 4', rev_id='r@c-4', allow_pointless=True)
wt_child.commit('child 5', rev_id='r@c-5', allow_pointless=True)
self.assertEqual(['r@b-1', 'r@c-2', 'r@c-3', 'r@c-4', 'r@c-5'],
wt_child.branch.revision_history())
self.assertEqual(['r@b-1'], b_base.revision_history())
wt_child.branch.bind(sftp_b_base)
self.assertEqual(['r@b-1'], b_base.revision_history())
def test_commit_after_merge(self):
b_base, wt_child = self.create_branches()
# We want merge to be able to be a local only
# operation, because it does not alter the branch data.
# But we can't fail afterwards
wt_other = wt_child.bzrdir.sprout('other').open_workingtree()
open('other/c', 'wb').write('file c\n')
wt_other.add('c')
wt_other.commit('adding c', rev_id='r@d-2')
self.failIf(wt_child.branch.repository.has_revision('r@d-2'))
self.failIf(b_base.repository.has_revision('r@d-2'))
wt_child.merge_from_branch(wt_other.branch)
self.failUnlessExists('child/c')
self.assertEqual(['r@d-2'], wt_child.get_parent_ids()[1:])
self.failUnless(wt_child.branch.repository.has_revision('r@d-2'))
self.failIf(b_base.repository.has_revision('r@d-2'))
# Commit should succeed, and cause merged revisions to
# be pushed into base
wt_child.commit('merge other', rev_id='r@c-2')
self.assertEqual(['r@b-1', 'r@c-2'], wt_child.branch.revision_history())
self.assertEqual(['r@b-1', 'r@c-2'], b_base.revision_history())
self.failUnless(b_base.repository.has_revision('r@d-2'))
def test_commit_fails(self):
b_base, wt_child = self.create_branches()
open('a', 'ab').write('child adds some text\n')
# this deletes the branch from memory
del b_base
# and this moves it out of the way on disk
os.rename('base', 'hidden_base')
self.assertRaises(errors.BoundBranchConnectionFailure,
wt_child.commit, 'added text', rev_id='r@c-2')
# TODO: jam 20051231 We need invasive failure tests, so that we can show
# performance even when something fails.
|