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# Copyright (C) 2009 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 branch.create_clone behaviour."""
from bzrlib.branch import Branch
from bzrlib import errors
from bzrlib import remote
from bzrlib import tests
from bzrlib.tests.branch_implementations.test_branch import TestCaseWithBranch
class TestCreateClone(TestCaseWithBranch):
def test_create_clone_on_transport_missing_parent_dir(self):
tree = self.make_branch_and_tree('source')
tree.commit('a commit')
source = tree.branch
target_transport = self.get_transport('subdir').clone('target')
self.assertRaises(errors.NoSuchFile,
tree.branch.create_clone_on_transport, target_transport)
self.assertFalse(self.get_transport('.').has('subdir'))
def test_create_clone_on_transport_missing_parent_dir_create(self):
tree = self.make_branch_and_tree('source')
tree.commit('a commit')
source = tree.branch
target_transport = self.get_transport('subdir').clone('target')
result = tree.branch.create_clone_on_transport(target_transport,
create_prefix=True)
self.assertEqual(source.last_revision(), result.last_revision())
self.assertEqual(target_transport.base,
result.bzrdir.root_transport.base)
def test_create_clone_on_transport_use_existing_dir_false(self):
tree = self.make_branch_and_tree('source')
tree.commit('a commit')
source = tree.branch
target_transport = self.get_transport('target')
target_transport.create_prefix()
self.assertRaises(errors.FileExists,
tree.branch.create_clone_on_transport, target_transport)
self.assertFalse(target_transport.has(".bzr"))
def test_create_clone_on_transport_use_existing_dir_true(self):
tree = self.make_branch_and_tree('source')
tree.commit('a commit')
source = tree.branch
target_transport = self.get_transport('target')
target_transport.create_prefix()
result = tree.branch.create_clone_on_transport(target_transport,
use_existing_dir=True)
self.assertEqual(source.last_revision(), result.last_revision())
def test_create_clone_on_transport_no_revision_id(self):
tree = self.make_branch_and_tree('source')
tree.commit('a commit')
source = tree.branch
target_transport = self.get_transport('target')
result = tree.branch.create_clone_on_transport(target_transport)
self.assertEqual(source.last_revision(), result.last_revision())
def test_create_clone_on_transport_revision_id(self):
tree = self.make_branch_and_tree('source')
old_revid = tree.commit('a commit')
source_tip = tree.commit('a second commit')
source = tree.branch
target_transport = self.get_transport('target')
result = tree.branch.create_clone_on_transport(target_transport,
revision_id=old_revid)
self.assertEqual(old_revid, result.last_revision())
result.lock_read()
self.addCleanup(result.unlock)
self.assertFalse(result.repository.has_revision(source_tip))
def test_create_clone_on_transport_stacked(self):
tree = self.make_branch_and_tree('source')
tree.commit('a commit')
trunk = tree.branch.create_clone_on_transport(
self.get_transport('trunk'))
revid = tree.commit('a second commit')
source = tree.branch
target_transport = self.get_transport('target')
result = tree.branch.create_clone_on_transport(target_transport,
stacked_on=trunk.base)
self.assertEqual(revid, result.last_revision())
self.assertEqual(trunk.base, result.get_stacked_on_url())
def test_create_clone_of_multiple_roots(self):
try:
builder = self.make_branch_builder('local')
except (errors.TransportNotPossible, errors.UninitializableFormat):
raise tests.TestNotApplicable('format not directly constructable')
builder.start_series()
builder.build_snapshot('rev1', None, [
('add', ('', 'root-id', 'directory', ''))])
builder.build_snapshot('rev2', ['rev1'], [])
builder.build_snapshot('other', None, [
('add', ('', 'root-id', 'directory', ''))])
builder.build_snapshot('rev3', ['rev2', 'other'], [])
builder.finish_series()
local = builder.get_branch()
local.bzrdir.clone(self.get_url('remote'), revision_id='rev3')
def assertBranchHookBranchIsStacked(self, pre_change_params):
# Just calling will either succeed or fail.
pre_change_params.branch.get_stacked_on_url()
self.hook_calls.append(pre_change_params)
def test_create_clone_on_transport_stacked_hooks_get_stacked_branch(self):
tree = self.make_branch_and_tree('source')
tree.commit('a commit')
trunk = tree.branch.create_clone_on_transport(
self.get_transport('trunk'))
revid = tree.commit('a second commit')
source = tree.branch
target_transport = self.get_transport('target')
self.hook_calls = []
Branch.hooks.install_named_hook("pre_change_branch_tip",
self.assertBranchHookBranchIsStacked, None)
result = tree.branch.create_clone_on_transport(target_transport,
stacked_on=trunk.base)
self.assertEqual(revid, result.last_revision())
self.assertEqual(trunk.base, result.get_stacked_on_url())
# Smart servers invoke hooks on both sides
if isinstance(result, remote.RemoteBranch):
expected_calls = 2
else:
expected_calls = 1
self.assertEqual(expected_calls, len(self.hook_calls))
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