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# Copyright (C) 2011 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 VersionedFileRepository.refresh_data."""
from bzrlib import repository
from bzrlib.tests.per_repository_vf import (
TestCaseWithRepository,
all_repository_vf_format_scenarios,
)
from bzrlib.tests.scenarios import load_tests_apply_scenarios
load_tests = load_tests_apply_scenarios
class TestRefreshData(TestCaseWithRepository):
scenarios = all_repository_vf_format_scenarios()
def fetch_new_revision_into_concurrent_instance(self, repo, token):
"""Create a new revision (revid 'new-rev') and fetch it into a
concurrent instance of repo.
"""
source = self.make_branch_and_memory_tree('source')
source.lock_write()
self.addCleanup(source.unlock)
source.add([''], ['root-id'])
revid = source.commit('foo', rev_id='new-rev')
# Force data reading on weaves/knits
repo.all_revision_ids()
repo.revisions.keys()
repo.inventories.keys()
# server repo is the instance a smart server might hold for this
# repository.
server_repo = repo.bzrdir.open_repository()
try:
server_repo.lock_write(token)
except errors.TokenLockingNotSupported:
raise TestSkipped('Cannot concurrently insert into repo format %r'
% self.repository_format)
try:
server_repo.fetch(source.branch.repository, revid)
finally:
server_repo.unlock()
def test_refresh_data_after_fetch_new_data_visible_in_write_group(self):
tree = self.make_branch_and_memory_tree('target')
tree.lock_write()
self.addCleanup(tree.unlock)
tree.add([''], ['root-id'])
tree.commit('foo', rev_id='commit-in-target')
repo = tree.branch.repository
token = repo.lock_write().repository_token
self.addCleanup(repo.unlock)
repo.start_write_group()
self.addCleanup(repo.abort_write_group)
self.fetch_new_revision_into_concurrent_instance(repo, token)
# Call refresh_data. It either fails with IsInWriteGroupError, or it
# succeeds and the new revisions are visible.
try:
repo.refresh_data()
except repository.IsInWriteGroupError:
pass
else:
self.assertEqual(
['commit-in-target', 'new-rev'],
sorted(repo.all_revision_ids()))
def test_refresh_data_after_fetch_new_data_visible(self):
repo = self.make_repository('target')
token = repo.lock_write().repository_token
self.addCleanup(repo.unlock)
self.fetch_new_revision_into_concurrent_instance(repo, token)
repo.refresh_data()
self.assertNotEqual({}, repo.get_graph().get_parent_map(['new-rev']))
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