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# Copyright (C) 2005 by 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 of bound branches (binding, unbinding, commit, etc) command.
"""
import os
from cStringIO import StringIO
from bzrlib.branch import Branch
from bzrlib.bzrdir import (BzrDir, BzrDirFormat, BzrDirMetaFormat1)
from bzrlib.osutils import getcwd
from bzrlib.tests import TestCaseWithTransport
import bzrlib.urlutils as urlutils
from bzrlib.workingtree import WorkingTree
class TestLegacyFormats(TestCaseWithTransport):
def setUp(self):
super(TestLegacyFormats, self).setUp()
self.build_tree(['master/', 'child/'])
self.run_bzr('init', 'master')
self.run_bzr('init', '--format=weave', 'child')
os.chdir('child')
def test_bind_format_6_bzrdir(self):
# bind on a format 6 bzrdir should error
out,err = self.run_bzr('bind', '../master', retcode=3)
self.assertEqual('', out)
# TODO: jam 20060427 Probably something like this really should
# print out the actual path, rather than the URL
cwd = urlutils.local_path_to_url(getcwd())
self.assertEqual('bzr: ERROR: To use this feature you must '
'upgrade your branch at %s/.\n' % cwd, err)
def test_unbind_format_6_bzrdir(self):
# bind on a format 6 bzrdir should error
out,err = self.run_bzr('unbind', retcode=3)
self.assertEqual('', out)
cwd = urlutils.local_path_to_url(getcwd())
self.assertEqual('bzr: ERROR: To use this feature you must '
'upgrade your branch at %s/.\n' % cwd, err)
class TestBoundBranches(TestCaseWithTransport):
def create_branches(self):
bzr = self.run_bzr
self.build_tree(['base/', 'base/a', 'base/b'])
branch = self.init_meta_branch('base')
tree = branch.bzrdir.open_workingtree()
tree.lock_write()
tree.add(['a', 'b'])
tree.commit('init')
tree.unlock()
self.run_bzr('checkout', 'base', 'child')
self.check_revno(1, 'child')
d = BzrDir.open('child')
self.assertNotEqual(None, d.open_branch().get_master_branch())
def check_revno(self, val, loc='.'):
self.assertEqual(
val, len(BzrDir.open(loc).open_branch().revision_history()))
def test_simple_binding(self):
self.build_tree(['base/', 'base/a', 'base/b'])
self.init_meta_branch('base')
self.run_bzr('add', 'base')
self.run_bzr('commit', '-m', 'init', 'base')
self.run_bzr('branch', 'base', 'child')
os.chdir('child')
self.run_bzr('bind', '../base')
d = BzrDir.open('')
self.assertNotEqual(None, d.open_branch().get_master_branch())
self.run_bzr('unbind')
self.assertEqual(None, d.open_branch().get_master_branch())
self.run_bzr('unbind', retcode=3)
def init_meta_branch(self, path):
old_format = BzrDirFormat.get_default_format()
BzrDirFormat.set_default_format(BzrDirMetaFormat1())
try:
return BzrDir.create_branch_convenience(
path, BzrDirMetaFormat1())
finally:
BzrDirFormat.set_default_format(old_format)
def test_bound_commit(self):
bzr = self.run_bzr
self.create_branches()
os.chdir('child')
open('a', 'wb').write('new contents\n')
bzr('commit', '-m', 'child')
self.check_revno(2)
# Make sure it committed on the parent
self.check_revno(2, '../base')
def test_bound_fail(self):
# Make sure commit fails if out of date.
bzr = self.run_bzr
self.create_branches()
os.chdir('base')
open('a', 'wb').write('new base contents\n')
bzr('commit', '-m', 'base')
self.check_revno(2)
os.chdir('../child')
self.check_revno(1)
open('b', 'wb').write('new b child contents\n')
bzr('commit', '-m', 'child', retcode=3)
self.check_revno(1)
bzr('update')
self.check_revno(2)
bzr('commit', '-m', 'child')
self.check_revno(3)
self.check_revno(3, '../base')
def test_double_binding(self):
bzr = self.run_bzr
self.create_branches()
bzr('branch', 'child', 'child2')
os.chdir('child2')
# Double binding succeeds, but committing to child2 should fail
bzr('bind', '../child')
bzr('commit', '-m', 'child2', '--unchanged', retcode=3)
def test_unbinding(self):
bzr = self.run_bzr
self.create_branches()
os.chdir('base')
open('a', 'wb').write('new base contents\n')
bzr('commit', '-m', 'base')
self.check_revno(2)
os.chdir('../child')
open('b', 'wb').write('new b child contents\n')
self.check_revno(1)
bzr('commit', '-m', 'child', retcode=3)
self.check_revno(1)
bzr('unbind')
bzr('commit', '-m', 'child')
self.check_revno(2)
bzr('bind', retcode=3)
def test_commit_remote_bound(self):
# It is not possible to commit to a branch
# which is bound to a branch which is bound
bzr = self.run_bzr
self.create_branches()
bzr('branch', 'base', 'newbase')
os.chdir('base')
# There is no way to know that B has already
# been bound by someone else, otherwise it
# might be nice if this would fail
bzr('bind', '../newbase')
os.chdir('../child')
bzr('commit', '-m', 'failure', '--unchanged', retcode=3)
def test_pull_updates_both(self):
bzr = self.run_bzr
self.create_branches()
bzr('branch', 'base', 'newchild')
os.chdir('newchild')
open('b', 'wb').write('newchild b contents\n')
bzr('commit', '-m', 'newchild')
self.check_revno(2)
os.chdir('../child')
# The pull should succeed, and update
# the bound parent branch
bzr('pull', '../newchild')
self.check_revno(2)
self.check_revno(2, '../base')
def test_bind_diverged(self):
bzr = self.run_bzr
self.create_branches()
os.chdir('child')
bzr('unbind')
bzr('commit', '-m', 'child', '--unchanged')
self.check_revno(2)
os.chdir('../base')
self.check_revno(1)
bzr('commit', '-m', 'base', '--unchanged')
self.check_revno(2)
os.chdir('../child')
# These branches have diverged
bzr('bind', '../base', retcode=3)
# TODO: In the future, this might require actual changes
# to have occurred, rather than just a new revision entry
bzr('merge', '../base')
bzr('commit', '-m', 'merged')
self.check_revno(3)
# After a merge, trying to bind again should succeed
# by pushing the new change to base
bzr('bind', '../base')
self.check_revno(3)
self.check_revno(3, '../base')
# After binding, the revision history should be identical
child_rh = bzr('revision-history')[0]
os.chdir('../base')
base_rh = bzr('revision-history')[0]
self.assertEquals(child_rh, base_rh)
def test_bind_parent_ahead(self):
bzr = self.run_bzr
self.create_branches()
os.chdir('child')
bzr('unbind')
os.chdir('../base')
bzr('commit', '-m', 'base', '--unchanged')
os.chdir('../child')
self.check_revno(1)
bzr('bind', '../base')
self.check_revno(2)
bzr('unbind')
# Check and make sure it also works if parent is ahead multiple
os.chdir('../base')
bzr('commit', '-m', 'base 3', '--unchanged')
bzr('commit', '-m', 'base 4', '--unchanged')
bzr('commit', '-m', 'base 5', '--unchanged')
self.check_revno(5)
os.chdir('../child')
self.check_revno(2)
bzr('bind', '../base')
self.check_revno(5)
def test_bind_child_ahead(self):
# test binding when the master branches history is a prefix of the
# childs
bzr = self.run_bzr
self.create_branches()
return
os.chdir('child')
bzr('unbind')
bzr('commit', '-m', 'child', '--unchanged')
self.check_revno(2)
self.check_revno(1, '../base')
bzr('bind', '../base')
self.check_revno(2, '../base')
# Check and make sure it also works if child is ahead multiple
bzr('unbind')
bzr('commit', '-m', 'child 3', '--unchanged')
bzr('commit', '-m', 'child 4', '--unchanged')
bzr('commit', '-m', 'child 5', '--unchanged')
self.check_revno(5)
self.check_revno(2, '../base')
bzr('bind', '../base')
self.check_revno(5, '../base')
def test_commit_after_merge(self):
bzr = self.run_bzr
self.create_branches()
# We want merge to be able to be a local only
# operation, because it can be without violating
# the binding invariants.
# But we can't fail afterwards
bzr('branch', 'child', 'other')
os.chdir('other')
open('c', 'wb').write('file c\n')
bzr('add', 'c')
bzr('commit', '-m', 'adding c')
new_rev_id = bzr('revision-history')[0].strip().split('\n')[-1]
os.chdir('../child')
bzr('merge', '../other')
self.failUnlessExists('c')
tree = WorkingTree.open('.') # opens child
self.assertEqual([new_rev_id], tree.get_parent_ids()[1:])
# Make sure the local branch has the installed revision
bzr('cat-revision', new_rev_id)
# And make sure that the base tree does not
os.chdir('../base')
bzr('cat-revision', new_rev_id, retcode=3)
# Commit should succeed, and cause merged revisions to
# be pulled into base
os.chdir('../child')
bzr('commit', '-m', 'merge other')
self.check_revno(2)
os.chdir('../base')
self.check_revno(2)
bzr('cat-revision', new_rev_id)
def test_pull_overwrite_fails(self):
bzr = self.run_bzr
self.create_branches()
bzr('branch', 'child', 'other')
os.chdir('other')
open('a', 'wb').write('new contents\n')
bzr('commit', '-m', 'changed a')
self.check_revno(2)
open('a', 'ab').write('and then some\n')
bzr('commit', '-m', 'another a')
self.check_revno(3)
open('a', 'ab').write('and some more\n')
bzr('commit', '-m', 'yet another a')
self.check_revno(4)
os.chdir('../child')
open('a', 'wb').write('also changed a\n')
bzr('commit', '-m', 'child modified a')
self.check_revno(2)
self.check_revno(2, '../base')
# It might be possible that we want pull --overwrite to
# actually succeed.
# If we want it, just change this test to make sure that
# both base and child are updated properly
bzr('pull', '--overwrite', '../other', retcode=3)
# It should fail without changing the local revision
self.check_revno(2)
self.check_revno(2, '../base')
# TODO: jam 20051230 Test that commit & pull fail when the branch we
# are bound to is not available
|