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# Copyright (C) 2007-2010 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 implementations of Repository.has_same_location."""
from bzrlib import (
controldir,
transport,
)
from bzrlib.remote import (
RemoteRepositoryFormat,
)
from bzrlib.tests import (
TestNotApplicable,
)
from bzrlib.tests.per_repository import TestCaseWithRepository
class TestHasSameLocation(TestCaseWithRepository):
"""Tests for Repository.has_same_location method."""
def assertSameRepo(self, a, b):
"""Asserts that two objects are the same repository.
This method does the comparison both ways (`a.has_same_location(b)` as
well as `b.has_same_location(a)`) to make sure both objects'
`has_same_location` methods give the same results.
"""
self.assertTrue(a.has_same_location(b),
"%r is not the same repository as %r" % (a, b))
self.assertTrue(b.has_same_location(a),
"%r is the same as %r, but not vice versa" % (a, b))
def assertDifferentRepo(self, a, b):
"""Asserts that two objects are the not same repository.
This method does the comparison both ways (`a.has_same_location(b)` as
well as `b.has_same_location(a)`) to make sure both objects'
`has_same_location` methods give the same results.
:seealso: assertDifferentRepo
"""
self.assertFalse(a.has_same_location(b),
"%r is not the same repository as %r" % (a, b))
self.assertFalse(b.has_same_location(a),
"%r is the same as %r, but not vice versa" % (a, b))
def test_same_repo_instance(self):
"""A repository object is the same repository as itself."""
repo = self.make_repository('.')
self.assertSameRepo(repo, repo)
def test_same_repo_location(self):
"""Different repository objects for the same location are the same."""
repo = self.make_repository('.')
reopened_repo = repo.bzrdir.open_repository()
self.assertFalse(
repo is reopened_repo,
"This test depends on reopened_repo being a different instance of "
"the same repo.")
self.assertSameRepo(repo, reopened_repo)
def test_different_repos_not_equal(self):
"""Repositories at different locations are not the same."""
repo_one = self.make_repository('one')
repo_two = self.make_repository('two')
self.assertDifferentRepo(repo_one, repo_two)
def test_same_bzrdir_different_control_files_not_equal(self):
"""Repositories in the same bzrdir, but with different control files,
are not the same.
This can happens e.g. when upgrading a repository. This test mimics how
CopyConverter creates a second repository in one bzrdir.
"""
repo = self.make_repository('repo')
if repo.control_transport.base == repo.bzrdir.control_transport.base:
raise TestNotApplicable(
"%r has repository files directly in the bzrdir"
% (repo,))
# This test only applies to repository formats where the repo
# control_files are separate from other bzrdir files, i.e. metadir
# formats.
repo.control_transport.copy_tree('.', '../repository.backup')
backup_transport = repo.control_transport.clone('../repository.backup')
if isinstance(repo._format, RemoteRepositoryFormat):
raise TestNotApplicable("remote repositories don't support overriding "
"transport")
backup_repo = repo._format.open(repo.bzrdir,
_override_transport=backup_transport)
self.assertDifferentRepo(repo, backup_repo)
def test_different_format_not_equal(self):
"""Different format repositories are comparable and not the same.
Comparing different format repository objects should give a negative
result, rather than trigger an exception (which could happen with a
naive __eq__ implementation, e.g. due to missing attributes).
"""
repo = self.make_repository('repo')
other_repo = self.make_repository('other', format='default')
if repo._format == other_repo._format:
# We're testing the default format! So we have to use a non-default
# format for other_repo.
transport.get_transport_from_url(
self.get_vfs_only_url()).delete_tree('other')
other_repo = self.make_repository('other', format='knit')
# Make sure the other_repo is not a RemoteRepository.
other_bzrdir = controldir.ControlDir.open(self.get_vfs_only_url('other'))
other_repo = other_bzrdir.open_repository()
self.assertDifferentRepo(repo, other_repo)
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