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# Copyright (C) 2006-2009, 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 InterRepository implementastions."""
import sys
import bzrlib
import bzrlib.errors as errors
import bzrlib.gpg
from bzrlib.inventory import Inventory
from bzrlib.revision import NULL_REVISION
from bzrlib.tests import (
TestNotApplicable,
TestSkipped,
)
from bzrlib.tests.matchers import MatchesAncestry
from bzrlib.tests.per_interrepository import (
TestCaseWithInterRepository,
)
def check_repo_format_for_funky_id_on_win32(repo):
if not repo._format.supports_funky_characters and sys.platform == 'win32':
raise TestSkipped("funky chars not allowed on this platform in repository"
" %s" % repo.__class__.__name__)
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.
#
# XXX: This code tests that we get an InterRepository when we try to
# convert between the two repositories that it wants to be tested with
# -- but that's not necessarily correct. So for now this is disabled.
# mbp 20070206
## 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__)
pass
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'
tree_a.branch.repository.lock_write()
tree_a.branch.repository.start_write_group()
inv_file = tree_a.branch.repository.inventories
inv_file.add_lines(('orphan',), [], [])
tree_a.branch.repository.commit_write_group()
tree_a.branch.repository.unlock()
# 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.lock_write()
tree_a.branch.repository.start_write_group()
tree_a.branch.repository.sign_revision('rev2',
bzrlib.gpg.LoopbackGPGStrategy(None))
tree_a.branch.repository.commit_write_group()
tree_a.branch.repository.unlock()
def test_search_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'))
result = repo_b.search_missing_revision_ids(repo_a)
self.assertEqual(set(['rev2']), result.get_keys())
self.assertEqual(('search', set(['rev2']), set(['rev1']), 1),
result.get_recipe())
def test_absent_requested_raises(self):
# Asking for missing revisions with a tip that is itself absent in the
# source raises NoSuchRevision.
repo_b = self.make_to_repository('target')
repo_a = self.bzrdir.open_repository()
# No pizza revisions anywhere
self.assertFalse(repo_a.has_revision('pizza'))
self.assertFalse(repo_b.has_revision('pizza'))
# Asking specifically for an absent revision errors.
self.assertRaises(errors.NoSuchRevision,
repo_b.search_missing_revision_ids, repo_a, revision_ids=['pizza'],
find_ghosts=True)
self.assertRaises(errors.NoSuchRevision,
repo_b.search_missing_revision_ids, repo_a, revision_ids=['pizza'],
find_ghosts=False)
self.callDeprecated(
['search_missing_revision_ids(revision_id=...) was deprecated in '
'2.4. Use revision_ids=[...] instead.'],
self.assertRaises, errors.NoSuchRevision,
repo_b.search_missing_revision_ids, repo_a, revision_id='pizza',
find_ghosts=False)
def test_search_missing_rev_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()
result = repo_b.search_missing_revision_ids(
repo_a, revision_ids=['rev1'])
self.assertEqual(set(['rev1']), result.get_keys())
self.assertEqual(('search', set(['rev1']), set([NULL_REVISION]), 1),
result.get_recipe())
def test_search_missing_revision_ids_limit(self):
# The limit= argument makes fetch() limit
# the results to the first X topo-sorted revisions.
repo_b = self.make_to_repository('rev1_only')
repo_a = self.bzrdir.open_repository()
# check the test will be valid
self.assertFalse(repo_b.has_revision('rev2'))
result = repo_b.search_missing_revision_ids(repo_a, limit=1)
self.assertEqual(('search', set(['rev1']), set(['null:']), 1),
result.get_recipe())
def test_fetch_fetches_signatures_too(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 test_fetch_all_fixes_up_ghost(self):
# we want two repositories at this point:
# one with a revision that is a ghost in the other
# repository.
# 'ghost' is present in has_ghost, 'ghost' is absent in 'missing_ghost'.
# 'references' is present in both repositories, and 'tip' is present
# just in has_ghost.
# has_ghost missing_ghost
#------------------------------
# 'ghost' -
# 'references' 'references'
# 'tip' -
# In this test we fetch 'tip' which should not fetch 'ghost'
has_ghost = self.make_repository('has_ghost')
missing_ghost = self.make_repository('missing_ghost')
if [True, True] != [repo._format.supports_ghosts for repo in
(has_ghost, missing_ghost)]:
raise TestNotApplicable("Need ghost support.")
def add_commit(repo, revision_id, parent_ids):
repo.lock_write()
repo.start_write_group()
inv = Inventory(revision_id=revision_id)
inv.root.revision = revision_id
root_id = inv.root.file_id
sha1 = repo.add_inventory(revision_id, inv, parent_ids)
repo.texts.add_lines((root_id, revision_id), [], [])
rev = bzrlib.revision.Revision(timestamp=0,
timezone=None,
committer="Foo Bar <foo@example.com>",
message="Message",
inventory_sha1=sha1,
revision_id=revision_id)
rev.parent_ids = parent_ids
repo.add_revision(revision_id, rev)
repo.commit_write_group()
repo.unlock()
add_commit(has_ghost, 'ghost', [])
add_commit(has_ghost, 'references', ['ghost'])
add_commit(missing_ghost, 'references', ['ghost'])
add_commit(has_ghost, 'tip', ['references'])
missing_ghost.fetch(has_ghost, 'tip', find_ghosts=True)
# missing ghost now has tip and ghost.
rev = missing_ghost.get_revision('tip')
inv = missing_ghost.get_inventory('tip')
rev = missing_ghost.get_revision('ghost')
inv = missing_ghost.get_inventory('ghost')
# rev must not be corrupt now
self.assertThat(['ghost', 'references', 'tip'],
MatchesAncestry(missing_ghost, 'tip'))
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