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# Copyright (C) 2005, 2006, 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 the Branch facility that are not interface tests.
For interface tests see tests/branch_implementations/*.py.
For concrete class tests see this file, and for meta-branch tests
also see this file.
"""
from StringIO import StringIO
from bzrlib import (
branch as _mod_branch,
bzrdir,
errors,
urlutils,
)
from bzrlib.branch import (
Branch,
BranchHooks,
BranchFormat,
BranchReferenceFormat,
BzrBranch5,
BzrBranchFormat5,
PullResult,
)
from bzrlib.bzrdir import (BzrDirMetaFormat1, BzrDirMeta1,
BzrDir, BzrDirFormat)
from bzrlib.errors import (NotBranchError,
UnknownFormatError,
UnknownHook,
UnsupportedFormatError,
)
from bzrlib.tests import TestCase, TestCaseWithTransport
from bzrlib.transport import get_transport
class TestDefaultFormat(TestCase):
def test_get_set_default_format(self):
old_format = BranchFormat.get_default_format()
# default is 5
self.assertTrue(isinstance(old_format, BzrBranchFormat5))
BranchFormat.set_default_format(SampleBranchFormat())
try:
# the default branch format is used by the meta dir format
# which is not the default bzrdir format at this point
dir = BzrDirMetaFormat1().initialize('memory:///')
result = dir.create_branch()
self.assertEqual(result, 'A branch')
finally:
BranchFormat.set_default_format(old_format)
self.assertEqual(old_format, BranchFormat.get_default_format())
class TestBranchFormat5(TestCaseWithTransport):
"""Tests specific to branch format 5"""
def test_branch_format_5_uses_lockdir(self):
url = self.get_url()
bzrdir = BzrDirMetaFormat1().initialize(url)
bzrdir.create_repository()
branch = bzrdir.create_branch()
t = self.get_transport()
self.log("branch instance is %r" % branch)
self.assert_(isinstance(branch, BzrBranch5))
self.assertIsDirectory('.', t)
self.assertIsDirectory('.bzr/branch', t)
self.assertIsDirectory('.bzr/branch/lock', t)
branch.lock_write()
try:
self.assertIsDirectory('.bzr/branch/lock/held', t)
finally:
branch.unlock()
def test_set_push_location(self):
from bzrlib.config import (locations_config_filename,
ensure_config_dir_exists)
ensure_config_dir_exists()
fn = locations_config_filename()
branch = self.make_branch('.', format='knit')
branch.set_push_location('foo')
local_path = urlutils.local_path_from_url(branch.base[:-1])
self.assertFileEqual("[%s]\n"
"push_location = foo\n"
"push_location:policy = norecurse" % local_path,
fn)
# TODO RBC 20051029 test getting a push location from a branch in a
# recursive section - that is, it appends the branch name.
class SampleBranchFormat(BranchFormat):
"""A sample format
this format is initializable, unsupported to aid in testing the
open and open_downlevel routines.
"""
def get_format_string(self):
"""See BzrBranchFormat.get_format_string()."""
return "Sample branch format."
def initialize(self, a_bzrdir):
"""Format 4 branches cannot be created."""
t = a_bzrdir.get_branch_transport(self)
t.put_bytes('format', self.get_format_string())
return 'A branch'
def is_supported(self):
return False
def open(self, transport, _found=False):
return "opened branch."
class TestBzrBranchFormat(TestCaseWithTransport):
"""Tests for the BzrBranchFormat facility."""
def test_find_format(self):
# is the right format object found for a branch?
# create a branch with a few known format objects.
# this is not quite the same as
self.build_tree(["foo/", "bar/"])
def check_format(format, url):
dir = format._matchingbzrdir.initialize(url)
dir.create_repository()
format.initialize(dir)
found_format = BranchFormat.find_format(dir)
self.failUnless(isinstance(found_format, format.__class__))
check_format(BzrBranchFormat5(), "bar")
def test_find_format_not_branch(self):
dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
self.assertRaises(NotBranchError,
BranchFormat.find_format,
dir)
def test_find_format_unknown_format(self):
dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
SampleBranchFormat().initialize(dir)
self.assertRaises(UnknownFormatError,
BranchFormat.find_format,
dir)
def test_register_unregister_format(self):
format = SampleBranchFormat()
# make a control dir
dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
# make a branch
format.initialize(dir)
# register a format for it.
BranchFormat.register_format(format)
# which branch.Open will refuse (not supported)
self.assertRaises(UnsupportedFormatError, Branch.open, self.get_url())
self.make_branch_and_tree('foo')
# but open_downlevel will work
self.assertEqual(format.open(dir), bzrdir.BzrDir.open(self.get_url()).open_branch(unsupported=True))
# unregister the format
BranchFormat.unregister_format(format)
self.make_branch_and_tree('bar')
def test_checkout_format(self):
branch = self.make_repository('repository', shared=True)
branch = self.make_branch('repository/branch',
format='metaweave')
tree = branch.create_checkout('checkout')
self.assertIs(tree.branch.__class__, _mod_branch.BzrBranch5)
class TestBranch6(TestCaseWithTransport):
def test_creation(self):
format = BzrDirMetaFormat1()
format.set_branch_format(_mod_branch.BzrBranchFormat6())
branch = self.make_branch('a', format=format)
self.assertIsInstance(branch, _mod_branch.BzrBranch6)
branch = self.make_branch('b', format='experimental-branch6')
self.assertIsInstance(branch, _mod_branch.BzrBranch6)
branch = _mod_branch.Branch.open('a')
self.assertIsInstance(branch, _mod_branch.BzrBranch6)
def test_layout(self):
branch = self.make_branch('a', format='experimental-branch6')
self.failUnlessExists('a/.bzr/branch/last-revision')
self.failIfExists('a/.bzr/branch/revision-history')
def test_config(self):
"""Ensure that all configuration data is stored in the branch"""
branch = self.make_branch('a', format='experimental-branch6')
branch.set_parent('http://bazaar-vcs.org')
self.failIfExists('a/.bzr/branch/parent')
self.assertEqual('http://bazaar-vcs.org', branch.get_parent())
branch.set_push_location('sftp://bazaar-vcs.org')
config = branch.get_config()._get_branch_data_config()
self.assertEqual('sftp://bazaar-vcs.org',
config.get_user_option('push_location'))
branch.set_bound_location('ftp://bazaar-vcs.org')
self.failIfExists('a/.bzr/branch/bound')
self.assertEqual('ftp://bazaar-vcs.org', branch.get_bound_location())
def test_set_revision_history(self):
tree = self.make_branch_and_memory_tree('.',
format='experimental-branch6')
tree.lock_write()
try:
tree.add('.')
tree.commit('foo', rev_id='foo')
tree.commit('bar', rev_id='bar')
tree.branch.set_revision_history(['foo', 'bar'])
tree.branch.set_revision_history(['foo'])
self.assertRaises(errors.NotLefthandHistory,
tree.branch.set_revision_history, ['bar'])
finally:
tree.unlock()
def test_append_revision(self):
tree = self.make_branch_and_tree('branch1',
format='experimental-branch6')
tree.lock_write()
try:
tree.add('.')
tree.commit('foo', rev_id='foo')
tree.commit('bar', rev_id='bar')
tree.commit('baz', rev_id='baz')
tree.set_last_revision('bar')
tree.branch.set_last_revision_info(2, 'bar')
tree.commit('qux', rev_id='qux')
tree.add_parent_tree_id('baz')
tree.commit('qux', rev_id='quxx')
tree.branch.set_last_revision_info(0, 'null:')
self.assertRaises(errors.NotLeftParentDescendant,
tree.branch.append_revision, 'bar')
tree.branch.append_revision('foo')
self.assertRaises(errors.NotLeftParentDescendant,
tree.branch.append_revision, 'baz')
tree.branch.append_revision('bar')
tree.branch.append_revision('baz')
self.assertRaises(errors.NotLeftParentDescendant,
tree.branch.append_revision, 'quxx')
finally:
tree.unlock()
class TestBranchReference(TestCaseWithTransport):
"""Tests for the branch reference facility."""
def test_create_open_reference(self):
bzrdirformat = bzrdir.BzrDirMetaFormat1()
t = get_transport(self.get_url('.'))
t.mkdir('repo')
dir = bzrdirformat.initialize(self.get_url('repo'))
dir.create_repository()
target_branch = dir.create_branch()
t.mkdir('branch')
branch_dir = bzrdirformat.initialize(self.get_url('branch'))
made_branch = BranchReferenceFormat().initialize(branch_dir, target_branch)
self.assertEqual(made_branch.base, target_branch.base)
opened_branch = branch_dir.open_branch()
self.assertEqual(opened_branch.base, target_branch.base)
class TestHooks(TestCase):
def test_constructor(self):
"""Check that creating a BranchHooks instance has the right defaults."""
hooks = BranchHooks()
self.assertTrue("set_rh" in hooks, "set_rh not in %s" % hooks)
self.assertTrue("post_push" in hooks, "post_push not in %s" % hooks)
self.assertTrue("post_commit" in hooks, "post_commit not in %s" % hooks)
self.assertTrue("post_pull" in hooks, "post_pull not in %s" % hooks)
self.assertTrue("post_uncommit" in hooks, "post_uncommit not in %s" % hooks)
def test_installed_hooks_are_BranchHooks(self):
"""The installed hooks object should be a BranchHooks."""
# the installed hooks are saved in self._preserved_hooks.
self.assertIsInstance(self._preserved_hooks, BranchHooks)
def test_install_hook_raises_unknown_hook(self):
"""install_hook should raise UnknownHook if a hook is unknown."""
hooks = BranchHooks()
self.assertRaises(UnknownHook, hooks.install_hook, 'silly', None)
def test_install_hook_appends_known_hook(self):
"""install_hook should append the callable for known hooks."""
hooks = BranchHooks()
hooks.install_hook('set_rh', None)
self.assertEqual(hooks['set_rh'], [None])
class TestPullResult(TestCase):
def test_pull_result_to_int(self):
# to support old code, the pull result can be used as an int
r = PullResult()
r.old_revno = 10
r.new_revno = 20
# this usage of results is not recommended for new code (because it
# doesn't describe very well what happened), but for api stability
# it's still supported
a = "%d revisions pulled" % r
self.assertEqual(a, "10 revisions pulled")
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