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# (C) 2005, 2006 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 InterRepository implementastions."""
import bzrlib
import bzrlib.bzrdir as bzrdir
from bzrlib.branch import Branch, needs_read_lock, needs_write_lock
import bzrlib.errors as errors
from bzrlib.errors import (FileExists,
NoSuchRevision,
NoSuchFile,
UninitializableFormat,
NotBranchError,
)
import bzrlib.repository as repository
from bzrlib.revision import NULL_REVISION, Revision
from bzrlib.tests import TestCase, TestCaseWithTransport, TestSkipped
from bzrlib.tests.bzrdir_implementations.test_bzrdir import TestCaseWithBzrDir
from bzrlib.transport import get_transport
class TestCaseWithInterRepository(TestCaseWithBzrDir):
def setUp(self):
super(TestCaseWithInterRepository, self).setUp()
def make_branch(self, relpath, format=None):
repo = self.make_repository(relpath, format=format)
return repo.bzrdir.create_branch()
def make_bzrdir(self, relpath, format=None):
try:
url = self.get_url(relpath)
segments = url.split('/')
if segments and segments[-1] not in ('', '.'):
parent = '/'.join(segments[:-1])
t = get_transport(parent)
try:
t.mkdir(segments[-1])
except FileExists:
pass
if format is None:
format = self.repository_format._matchingbzrdir
return format.initialize(url)
except UninitializableFormat:
raise TestSkipped("Format %s is not initializable." % format)
def make_repository(self, relpath, format=None):
made_control = self.make_bzrdir(relpath, format=format)
return self.repository_format.initialize(made_control)
def make_to_repository(self, relpath):
made_control = self.make_bzrdir(relpath,
self.repository_format_to._matchingbzrdir)
return self.repository_format_to.initialize(made_control)
class TestInterRepository(TestCaseWithInterRepository):
def test_interrepository_get_returns_correct_optimiser(self):
# we assume the optimising code paths are triggered
# by the type of the repo not the transport - at this point.
# we may need to update this test if this changes.
source_repo = self.make_repository("source")
target_repo = self.make_to_repository("target")
interrepo = repository.InterRepository.get(source_repo, target_repo)
self.assertEqual(self.interrepo_class, interrepo.__class__)
def test_fetch(self):
tree_a = self.make_branch_and_tree('a')
self.build_tree(['a/foo'])
tree_a.add('foo', 'file1')
tree_a.commit('rev1', rev_id='rev1')
def check_push_rev1(repo):
# ensure the revision is missing.
self.assertRaises(NoSuchRevision, repo.get_revision, 'rev1')
# fetch with a limit of NULL_REVISION and an explicit progress bar.
repo.fetch(tree_a.branch.repository,
revision_id=NULL_REVISION,
pb=bzrlib.progress.DummyProgress())
# nothing should have been pushed
self.assertFalse(repo.has_revision('rev1'))
# fetch with a default limit (grab everything)
repo.fetch(tree_a.branch.repository)
# check that b now has all the data from a's first commit.
rev = repo.get_revision('rev1')
tree = repo.revision_tree('rev1')
tree.get_file_text('file1')
for file_id in tree:
if tree.inventory[file_id].kind == "file":
tree.get_file(file_id).read()
# makes a target version repo
repo_b = self.make_to_repository('b')
check_push_rev1(repo_b)
def test_fetch_missing_revision_same_location_fails(self):
repo_a = self.make_repository('.')
repo_b = repository.Repository.open('.')
self.assertRaises(errors.NoSuchRevision, repo_b.fetch, repo_a, revision_id='XXX')
def test_fetch_same_location_trivial_works(self):
repo_a = self.make_repository('.')
repo_b = repository.Repository.open('.')
repo_a.fetch(repo_b)
def test_fetch_missing_text_other_location_fails(self):
source_tree = self.make_branch_and_tree('source')
source = source_tree.branch.repository
target = self.make_to_repository('target')
# start by adding a file so the data for hte file exists.
self.build_tree(['source/id'])
source_tree.add(['id'], ['id'])
source_tree.commit('a', rev_id='a')
# now we manually insert a revision with an inventory referencing
# 'id' at revision 'b', but we do not insert revision b.
# this should ensure that the new versions of files are being checked
# for during pull operations
inv = source.get_inventory('a')
inv['id'].revision = 'b'
sha1 = source.add_inventory('b', inv, ['a'])
rev = Revision(timestamp=0,
timezone=None,
committer="Foo Bar <foo@example.com>",
message="Message",
inventory_sha1=sha1,
revision_id='b')
rev.parent_ids = ['a']
source.add_revision('b', rev)
self.assertRaises(errors.RevisionNotPresent, target.fetch, source)
self.assertFalse(target.has_revision('b'))
class TestCaseWithComplexRepository(TestCaseWithInterRepository):
def setUp(self):
super(TestCaseWithComplexRepository, self).setUp()
tree_a = self.make_branch_and_tree('a')
self.bzrdir = tree_a.branch.bzrdir
# add a corrupt inventory 'orphan'
inv_file = tree_a.branch.repository.control_weaves.get_weave(
'inventory',
tree_a.branch.repository.get_transaction())
inv_file.add_lines('orphan', [], [])
# add a real revision 'rev1'
tree_a.commit('rev1', rev_id='rev1', allow_pointless=True)
# add a real revision 'rev2' based on rev1
tree_a.commit('rev2', rev_id='rev2', allow_pointless=True)
# and sign 'rev2'
tree_a.branch.repository.sign_revision('rev2',
bzrlib.gpg.LoopbackGPGStrategy(None))
def test_missing_revision_ids(self):
# revision ids in repository A but not B are returned, fake ones
# are stripped. (fake meaning no revision object, but an inventory
# as some formats keyed off inventory data in the past.
# make a repository to compare against that claims to have rev1
repo_b = self.make_to_repository('rev1_only')
repo_a = self.bzrdir.open_repository()
repo_b.fetch(repo_a, 'rev1')
# check the test will be valid
self.assertFalse(repo_b.has_revision('rev2'))
self.assertEqual(['rev2'],
repo_b.missing_revision_ids(repo_a))
def test_missing_revision_ids_revision_limited(self):
# revision ids in repository A that are not referenced by the
# requested revision are not returned.
# make a repository to compare against that is empty
repo_b = self.make_to_repository('empty')
repo_a = self.bzrdir.open_repository()
self.assertEqual(['rev1'],
repo_b.missing_revision_ids(repo_a, revision_id='rev1'))
def test_fetch_preserves_signatures(self):
from_repo = self.bzrdir.open_repository()
from_signature = from_repo.get_signature_text('rev2')
to_repo = self.make_to_repository('target')
to_repo.fetch(from_repo)
to_signature = to_repo.get_signature_text('rev2')
self.assertEqual(from_signature, to_signature)
class TestCaseWithGhosts(TestCaseWithInterRepository):
def setUp(self):
super(TestCaseWithGhosts, self).setUp()
# we want two repositories at this point
# one with a revision that is a ghost in the other
# repository.
# 'ghost' is a ghost in missing_ghost and not in with_ghost_rev
inv = bzrlib.tree.EmptyTree().inventory
repo = self.make_repository('with_ghost_rev')
sha1 = repo.add_inventory('ghost', inv, [])
rev = bzrlib.revision.Revision(timestamp=0,
timezone=None,
committer="Foo Bar <foo@example.com>",
message="Message",
inventory_sha1=sha1,
revision_id='ghost')
rev.parent_ids = []
repo.add_revision('ghost', rev)
repo = self.make_to_repository('missing_ghost')
sha1 = repo.add_inventory('with_ghost', inv, [])
rev = bzrlib.revision.Revision(timestamp=0,
timezone=None,
committer="Foo Bar <foo@example.com>",
message="Message",
inventory_sha1=sha1,
revision_id='with_ghost')
rev.parent_ids = ['ghost']
repo.add_revision('with_ghost', rev)
def test_fetch_all_fixes_up_ghost(self):
# fetching from a repo with a current ghost unghosts it in referencing
# revisions.
repo = repository.Repository.open('missing_ghost')
rev = repo.get_revision('with_ghost')
from_repo = repository.Repository.open('with_ghost_rev')
repo.fetch(from_repo)
# rev must not be corrupt now
rev = repo.get_revision('with_ghost')
self.assertEqual([None, 'ghost', 'with_ghost'], repo.get_ancestry('with_ghost'))
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