# Copyright (C) 2006-2012, 2016 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 the Repository facility that are not interface tests.
For interface tests see tests/per_repository/*.py.
For concrete class tests see this file, and for storage formats tests
also see this file.
"""
from stat import S_ISDIR
import breezy
from breezy.errors import (
UnknownFormatError,
UnsupportedFormatError,
)
from breezy import (
tests,
transport,
)
from breezy.bzr import (
bzrdir,
btree_index,
inventory,
repository as bzrrepository,
versionedfile,
vf_repository,
vf_search,
)
from breezy.bzr.btree_index import BTreeBuilder, BTreeGraphIndex
from breezy.bzr.index import GraphIndex
from breezy.repository import RepositoryFormat
from breezy.tests import (
TestCase,
TestCaseWithTransport,
)
from breezy import (
controldir,
errors,
osutils,
repository,
revision as _mod_revision,
upgrade,
workingtree,
)
from breezy.bzr import (
groupcompress_repo,
knitrepo,
knitpack_repo,
pack_repo,
)
class TestDefaultFormat(TestCase):
def test_get_set_default_format(self):
old_default = controldir.format_registry.get('default')
private_default = old_default().repository_format.__class__
old_format = repository.format_registry.get_default()
self.assertTrue(isinstance(old_format, private_default))
def make_sample_bzrdir():
my_bzrdir = bzrdir.BzrDirMetaFormat1()
my_bzrdir.repository_format = SampleRepositoryFormat()
return my_bzrdir
controldir.format_registry.remove('default')
controldir.format_registry.register('sample', make_sample_bzrdir, '')
controldir.format_registry.set_default('sample')
# creating a repository should now create an instrumented dir.
try:
# the default branch format is used by the meta dir format
# which is not the default bzrdir format at this point
dir = bzrdir.BzrDirMetaFormat1().initialize('memory:///')
result = dir.create_repository()
self.assertEqual(result, 'A bzr repository dir')
finally:
controldir.format_registry.remove('default')
controldir.format_registry.remove('sample')
controldir.format_registry.register('default', old_default, '')
self.assertIsInstance(repository.format_registry.get_default(),
old_format.__class__)
class SampleRepositoryFormat(bzrrepository.RepositoryFormatMetaDir):
"""A sample format
this format is initializable, unsupported to aid in testing the
open and open(unsupported=True) routines.
"""
@classmethod
def get_format_string(cls):
"""See RepositoryFormat.get_format_string()."""
return "Sample .bzr repository format."
def initialize(self, a_controldir, shared=False):
"""Initialize a repository in a BzrDir"""
t = a_controldir.get_repository_transport(self)
t.put_bytes('format', self.get_format_string())
return 'A bzr repository dir'
def is_supported(self):
return False
def open(self, a_controldir, _found=False):
return "opened repository."
class SampleExtraRepositoryFormat(repository.RepositoryFormat):
"""A sample format that can not be used in a metadir
"""
def get_format_string(self):
raise NotImplementedError
class TestRepositoryFormat(TestCaseWithTransport):
"""Tests for the Repository format detection used by the bzr meta dir facility.BzrBranchFormat facility."""
def test_find_format(self):
# is the right format object found for a repository?
# create a branch with a few known format objects.
# this is not quite the same as
self.build_tree(["foo/", "bar/"])
def check_format(format, url):
dir = format._matchingbzrdir.initialize(url)
format.initialize(dir)
t = transport.get_transport_from_path(url)
found_format = bzrrepository.RepositoryFormatMetaDir.find_format(dir)
self.assertIsInstance(found_format, format.__class__)
check_format(repository.format_registry.get_default(), "bar")
def test_find_format_no_repository(self):
dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
self.assertRaises(errors.NoRepositoryPresent,
bzrrepository.RepositoryFormatMetaDir.find_format,
dir)
def test_from_string(self):
self.assertIsInstance(
SampleRepositoryFormat.from_string(
"Sample .bzr repository format."),
SampleRepositoryFormat)
self.assertRaises(AssertionError,
SampleRepositoryFormat.from_string,
"Different .bzr repository format.")
def test_find_format_unknown_format(self):
dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
SampleRepositoryFormat().initialize(dir)
self.assertRaises(UnknownFormatError,
bzrrepository.RepositoryFormatMetaDir.find_format,
dir)
def test_find_format_with_features(self):
tree = self.make_branch_and_tree('.', format='2a')
tree.branch.repository.update_feature_flags({"name": "necessity"})
found_format = bzrrepository.RepositoryFormatMetaDir.find_format(tree.controldir)
self.assertIsInstance(found_format, bzrrepository.RepositoryFormatMetaDir)
self.assertEqual(found_format.features.get("name"), "necessity")
self.assertRaises(bzrdir.MissingFeature, found_format.check_support_status,
True)
self.addCleanup(bzrrepository.RepositoryFormatMetaDir.unregister_feature,
"name")
bzrrepository.RepositoryFormatMetaDir.register_feature("name")
found_format.check_support_status(True)
class TestRepositoryFormatRegistry(TestCase):
def setUp(self):
super(TestRepositoryFormatRegistry, self).setUp()
self.registry = repository.RepositoryFormatRegistry()
def test_register_unregister_format(self):
format = SampleRepositoryFormat()
self.registry.register(format)
self.assertEqual(format, self.registry.get("Sample .bzr repository format."))
self.registry.remove(format)
self.assertRaises(KeyError, self.registry.get, "Sample .bzr repository format.")
def test_get_all(self):
format = SampleRepositoryFormat()
self.assertEqual([], self.registry._get_all())
self.registry.register(format)
self.assertEqual([format], self.registry._get_all())
def test_register_extra(self):
format = SampleExtraRepositoryFormat()
self.assertEqual([], self.registry._get_all())
self.registry.register_extra(format)
self.assertEqual([format], self.registry._get_all())
def test_register_extra_lazy(self):
self.assertEqual([], self.registry._get_all())
self.registry.register_extra_lazy("breezy.tests.test_repository",
"SampleExtraRepositoryFormat")
formats = self.registry._get_all()
self.assertEqual(1, len(formats))
self.assertIsInstance(formats[0], SampleExtraRepositoryFormat)
class TestFormatKnit1(TestCaseWithTransport):
def test_attribute__fetch_order(self):
"""Knits need topological data insertion."""
repo = self.make_repository('.',
format=controldir.format_registry.get('knit')())
self.assertEqual('topological', repo._format._fetch_order)
def test_attribute__fetch_uses_deltas(self):
"""Knits reuse deltas."""
repo = self.make_repository('.',
format=controldir.format_registry.get('knit')())
self.assertEqual(True, repo._format._fetch_uses_deltas)
def test_disk_layout(self):
control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
repo = knitrepo.RepositoryFormatKnit1().initialize(control)
# in case of side effects of locking.
repo.lock_write()
repo.unlock()
# we want:
# format 'Bazaar-NG Knit Repository Format 1'
# lock: is a directory
# inventory.weave == empty_weave
# empty revision-store directory
# empty weaves directory
t = control.get_repository_transport(None)
self.assertEqualDiff('Bazaar-NG Knit Repository Format 1',
t.get('format').read())
# XXX: no locks left when unlocked at the moment
# self.assertEqualDiff('', t.get('lock').read())
self.assertTrue(S_ISDIR(t.stat('knits').st_mode))
self.check_knits(t)
# Check per-file knits.
branch = control.create_branch()
tree = control.create_workingtree()
tree.add(['foo'], ['Nasty-IdC:'], ['file'])
tree.put_file_bytes_non_atomic('Nasty-IdC:', '')
tree.commit('1st post', rev_id='foo')
self.assertHasKnit(t, 'knits/e8/%254easty-%2549d%2543%253a',
'\nfoo fulltext 0 81 :')
def assertHasKnit(self, t, knit_name, extra_content=''):
"""Assert that knit_name exists on t."""
self.assertEqualDiff('# bzr knit index 8\n' + extra_content,
t.get(knit_name + '.kndx').read())
def check_knits(self, t):
"""check knit content for a repository."""
self.assertHasKnit(t, 'inventory')
self.assertHasKnit(t, 'revisions')
self.assertHasKnit(t, 'signatures')
def test_shared_disk_layout(self):
control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
repo = knitrepo.RepositoryFormatKnit1().initialize(control, shared=True)
# we want:
# format 'Bazaar-NG Knit Repository Format 1'
# lock: is a directory
# inventory.weave == empty_weave
# empty revision-store directory
# empty weaves directory
# a 'shared-storage' marker file.
t = control.get_repository_transport(None)
self.assertEqualDiff('Bazaar-NG Knit Repository Format 1',
t.get('format').read())
# XXX: no locks left when unlocked at the moment
# self.assertEqualDiff('', t.get('lock').read())
self.assertEqualDiff('', t.get('shared-storage').read())
self.assertTrue(S_ISDIR(t.stat('knits').st_mode))
self.check_knits(t)
def test_shared_no_tree_disk_layout(self):
control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
repo = knitrepo.RepositoryFormatKnit1().initialize(control, shared=True)
repo.set_make_working_trees(False)
# we want:
# format 'Bazaar-NG Knit Repository Format 1'
# lock ''
# inventory.weave == empty_weave
# empty revision-store directory
# empty weaves directory
# a 'shared-storage' marker file.
t = control.get_repository_transport(None)
self.assertEqualDiff('Bazaar-NG Knit Repository Format 1',
t.get('format').read())
# XXX: no locks left when unlocked at the moment
# self.assertEqualDiff('', t.get('lock').read())
self.assertEqualDiff('', t.get('shared-storage').read())
self.assertEqualDiff('', t.get('no-working-trees').read())
repo.set_make_working_trees(True)
self.assertFalse(t.has('no-working-trees'))
self.assertTrue(S_ISDIR(t.stat('knits').st_mode))
self.check_knits(t)
def test_deserialise_sets_root_revision(self):
"""We must have a inventory.root.revision
Old versions of the XML5 serializer did not set the revision_id for
the whole inventory. So we grab the one from the expected text. Which
is valid when the api is not being abused.
"""
repo = self.make_repository('.',
format=controldir.format_registry.get('knit')())
inv_xml = '\n\n'
inv = repo._deserialise_inventory('test-rev-id', inv_xml)
self.assertEqual('test-rev-id', inv.root.revision)
def test_deserialise_uses_global_revision_id(self):
"""If it is set, then we re-use the global revision id"""
repo = self.make_repository('.',
format=controldir.format_registry.get('knit')())
inv_xml = ('\n'
'\n')
# Arguably, the deserialise_inventory should detect a mismatch, and
# raise an error, rather than silently using one revision_id over the
# other.
self.assertRaises(AssertionError, repo._deserialise_inventory,
'test-rev-id', inv_xml)
inv = repo._deserialise_inventory('other-rev-id', inv_xml)
self.assertEqual('other-rev-id', inv.root.revision)
def test_supports_external_lookups(self):
repo = self.make_repository('.',
format=controldir.format_registry.get('knit')())
self.assertFalse(repo._format.supports_external_lookups)
class DummyRepository(object):
"""A dummy repository for testing."""
_format = None
_serializer = None
def supports_rich_root(self):
if self._format is not None:
return self._format.rich_root_data
return False
def get_graph(self):
raise NotImplementedError
def get_parent_map(self, revision_ids):
raise NotImplementedError
class InterDummy(repository.InterRepository):
"""An inter-repository optimised code path for DummyRepository.
This is for use during testing where we use DummyRepository as repositories
so that none of the default regsitered inter-repository classes will
MATCH.
"""
@staticmethod
def is_compatible(repo_source, repo_target):
"""InterDummy is compatible with DummyRepository."""
return (isinstance(repo_source, DummyRepository) and
isinstance(repo_target, DummyRepository))
class TestInterRepository(TestCaseWithTransport):
def test_get_default_inter_repository(self):
# test that the InterRepository.get(repo_a, repo_b) probes
# for a inter_repo class where is_compatible(repo_a, repo_b) returns
# true and returns a default inter_repo otherwise.
# This also tests that the default registered optimised interrepository
# classes do not barf inappropriately when a surprising repository type
# is handed to them.
dummy_a = DummyRepository()
dummy_a._format = RepositoryFormat()
dummy_a._format.supports_full_versioned_files = True
dummy_b = DummyRepository()
dummy_b._format = RepositoryFormat()
dummy_b._format.supports_full_versioned_files = True
self.assertGetsDefaultInterRepository(dummy_a, dummy_b)
def assertGetsDefaultInterRepository(self, repo_a, repo_b):
"""Asserts that InterRepository.get(repo_a, repo_b) -> the default.
The effective default is now InterSameDataRepository because there is
no actual sane default in the presence of incompatible data models.
"""
inter_repo = repository.InterRepository.get(repo_a, repo_b)
self.assertEqual(vf_repository.InterSameDataRepository,
inter_repo.__class__)
self.assertEqual(repo_a, inter_repo.source)
self.assertEqual(repo_b, inter_repo.target)
def test_register_inter_repository_class(self):
# test that a optimised code path provider - a
# InterRepository subclass can be registered and unregistered
# and that it is correctly selected when given a repository
# pair that it returns true on for the is_compatible static method
# check
dummy_a = DummyRepository()
dummy_a._format = RepositoryFormat()
dummy_b = DummyRepository()
dummy_b._format = RepositoryFormat()
repo = self.make_repository('.')
# hack dummies to look like repo somewhat.
dummy_a._serializer = repo._serializer
dummy_a._format.supports_tree_reference = repo._format.supports_tree_reference
dummy_a._format.rich_root_data = repo._format.rich_root_data
dummy_a._format.supports_full_versioned_files = repo._format.supports_full_versioned_files
dummy_b._serializer = repo._serializer
dummy_b._format.supports_tree_reference = repo._format.supports_tree_reference
dummy_b._format.rich_root_data = repo._format.rich_root_data
dummy_b._format.supports_full_versioned_files = repo._format.supports_full_versioned_files
repository.InterRepository.register_optimiser(InterDummy)
try:
# we should get the default for something InterDummy returns False
# to
self.assertFalse(InterDummy.is_compatible(dummy_a, repo))
self.assertGetsDefaultInterRepository(dummy_a, repo)
# and we should get an InterDummy for a pair it 'likes'
self.assertTrue(InterDummy.is_compatible(dummy_a, dummy_b))
inter_repo = repository.InterRepository.get(dummy_a, dummy_b)
self.assertEqual(InterDummy, inter_repo.__class__)
self.assertEqual(dummy_a, inter_repo.source)
self.assertEqual(dummy_b, inter_repo.target)
finally:
repository.InterRepository.unregister_optimiser(InterDummy)
# now we should get the default InterRepository object again.
self.assertGetsDefaultInterRepository(dummy_a, dummy_b)
class TestRepositoryFormat1(knitrepo.RepositoryFormatKnit1):
@classmethod
def get_format_string(cls):
return "Test Format 1"
class TestRepositoryFormat2(knitrepo.RepositoryFormatKnit1):
@classmethod
def get_format_string(cls):
return "Test Format 2"
class TestRepositoryConverter(TestCaseWithTransport):
def test_convert_empty(self):
source_format = TestRepositoryFormat1()
target_format = TestRepositoryFormat2()
repository.format_registry.register(source_format)
self.addCleanup(repository.format_registry.remove,
source_format)
repository.format_registry.register(target_format)
self.addCleanup(repository.format_registry.remove,
target_format)
t = self.get_transport()
t.mkdir('repository')
repo_dir = bzrdir.BzrDirMetaFormat1().initialize('repository')
repo = TestRepositoryFormat1().initialize(repo_dir)
converter = repository.CopyConverter(target_format)
pb = breezy.ui.ui_factory.nested_progress_bar()
try:
converter.convert(repo, pb)
finally:
pb.finished()
repo = repo_dir.open_repository()
self.assertTrue(isinstance(target_format, repo._format.__class__))
class TestRepositoryFormatKnit3(TestCaseWithTransport):
def test_attribute__fetch_order(self):
"""Knits need topological data insertion."""
format = bzrdir.BzrDirMetaFormat1()
format.repository_format = knitrepo.RepositoryFormatKnit3()
repo = self.make_repository('.', format=format)
self.assertEqual('topological', repo._format._fetch_order)
def test_attribute__fetch_uses_deltas(self):
"""Knits reuse deltas."""
format = bzrdir.BzrDirMetaFormat1()
format.repository_format = knitrepo.RepositoryFormatKnit3()
repo = self.make_repository('.', format=format)
self.assertEqual(True, repo._format._fetch_uses_deltas)
def test_convert(self):
"""Ensure the upgrade adds weaves for roots"""
format = bzrdir.BzrDirMetaFormat1()
format.repository_format = knitrepo.RepositoryFormatKnit1()
tree = self.make_branch_and_tree('.', format)
tree.commit("Dull commit", rev_id="dull")
revision_tree = tree.branch.repository.revision_tree('dull')
revision_tree.lock_read()
try:
self.assertRaises(errors.NoSuchFile, revision_tree.get_file_lines,
revision_tree.get_root_id())
finally:
revision_tree.unlock()
format = bzrdir.BzrDirMetaFormat1()
format.repository_format = knitrepo.RepositoryFormatKnit3()
upgrade.Convert('.', format)
tree = workingtree.WorkingTree.open('.')
revision_tree = tree.branch.repository.revision_tree('dull')
revision_tree.lock_read()
try:
revision_tree.get_file_lines(revision_tree.get_root_id())
finally:
revision_tree.unlock()
tree.commit("Another dull commit", rev_id='dull2')
revision_tree = tree.branch.repository.revision_tree('dull2')
revision_tree.lock_read()
self.addCleanup(revision_tree.unlock)
self.assertEqual('dull',
revision_tree.get_file_revision(revision_tree.get_root_id()))
def test_supports_external_lookups(self):
format = bzrdir.BzrDirMetaFormat1()
format.repository_format = knitrepo.RepositoryFormatKnit3()
repo = self.make_repository('.', format=format)
self.assertFalse(repo._format.supports_external_lookups)
class Test2a(tests.TestCaseWithMemoryTransport):
def test_chk_bytes_uses_custom_btree_parser(self):
mt = self.make_branch_and_memory_tree('test', format='2a')
mt.lock_write()
self.addCleanup(mt.unlock)
mt.add([''], ['root-id'])
mt.commit('first')
index = mt.branch.repository.chk_bytes._index._graph_index._indices[0]
self.assertEqual(btree_index._gcchk_factory, index._leaf_factory)
# It should also work if we re-open the repo
repo = mt.branch.repository.controldir.open_repository()
repo.lock_read()
self.addCleanup(repo.unlock)
index = repo.chk_bytes._index._graph_index._indices[0]
self.assertEqual(btree_index._gcchk_factory, index._leaf_factory)
def test_fetch_combines_groups(self):
builder = self.make_branch_builder('source', format='2a')
builder.start_series()
builder.build_snapshot('1', None, [
('add', ('', 'root-id', 'directory', '')),
('add', ('file', 'file-id', 'file', 'content\n'))])
builder.build_snapshot('2', ['1'], [
('modify', ('file-id', 'content-2\n'))])
builder.finish_series()
source = builder.get_branch()
target = self.make_repository('target', format='2a')
target.fetch(source.repository)
target.lock_read()
self.addCleanup(target.unlock)
details = target.texts._index.get_build_details(
[('file-id', '1',), ('file-id', '2',)])
file_1_details = details[('file-id', '1')]
file_2_details = details[('file-id', '2')]
# The index, and what to read off disk, should be the same for both
# versions of the file.
self.assertEqual(file_1_details[0][:3], file_2_details[0][:3])
def test_fetch_combines_groups(self):
builder = self.make_branch_builder('source', format='2a')
builder.start_series()
builder.build_snapshot('1', None, [
('add', ('', 'root-id', 'directory', '')),
('add', ('file', 'file-id', 'file', 'content\n'))])
builder.build_snapshot('2', ['1'], [
('modify', ('file-id', 'content-2\n'))])
builder.finish_series()
source = builder.get_branch()
target = self.make_repository('target', format='2a')
target.fetch(source.repository)
target.lock_read()
self.addCleanup(target.unlock)
details = target.texts._index.get_build_details(
[('file-id', '1',), ('file-id', '2',)])
file_1_details = details[('file-id', '1')]
file_2_details = details[('file-id', '2')]
# The index, and what to read off disk, should be the same for both
# versions of the file.
self.assertEqual(file_1_details[0][:3], file_2_details[0][:3])
def test_fetch_combines_groups(self):
builder = self.make_branch_builder('source', format='2a')
builder.start_series()
builder.build_snapshot('1', None, [
('add', ('', 'root-id', 'directory', '')),
('add', ('file', 'file-id', 'file', 'content\n'))])
builder.build_snapshot('2', ['1'], [
('modify', ('file-id', 'content-2\n'))])
builder.finish_series()
source = builder.get_branch()
target = self.make_repository('target', format='2a')
target.fetch(source.repository)
target.lock_read()
self.addCleanup(target.unlock)
details = target.texts._index.get_build_details(
[('file-id', '1',), ('file-id', '2',)])
file_1_details = details[('file-id', '1')]
file_2_details = details[('file-id', '2')]
# The index, and what to read off disk, should be the same for both
# versions of the file.
self.assertEqual(file_1_details[0][:3], file_2_details[0][:3])
def test_format_pack_compresses_True(self):
repo = self.make_repository('repo', format='2a')
self.assertTrue(repo._format.pack_compresses)
def test_inventories_use_chk_map_with_parent_base_dict(self):
tree = self.make_branch_and_memory_tree('repo', format="2a")
tree.lock_write()
tree.add([''], ['TREE_ROOT'])
revid = tree.commit("foo")
tree.unlock()
tree.lock_read()
self.addCleanup(tree.unlock)
inv = tree.branch.repository.get_inventory(revid)
self.assertNotEqual(None, inv.parent_id_basename_to_file_id)
inv.parent_id_basename_to_file_id._ensure_root()
inv.id_to_entry._ensure_root()
self.assertEqual(65536, inv.id_to_entry._root_node.maximum_size)
self.assertEqual(65536,
inv.parent_id_basename_to_file_id._root_node.maximum_size)
def test_autopack_unchanged_chk_nodes(self):
# at 20 unchanged commits, chk pages are packed that are split into
# two groups such that the new pack being made doesn't have all its
# pages in the source packs (though they are in the repository).
# Use a memory backed repository, we don't need to hit disk for this
tree = self.make_branch_and_memory_tree('tree', format='2a')
tree.lock_write()
self.addCleanup(tree.unlock)
tree.add([''], ['TREE_ROOT'])
for pos in range(20):
tree.commit(str(pos))
def test_pack_with_hint(self):
tree = self.make_branch_and_memory_tree('tree', format='2a')
tree.lock_write()
self.addCleanup(tree.unlock)
tree.add([''], ['TREE_ROOT'])
# 1 commit to leave untouched
tree.commit('1')
to_keep = tree.branch.repository._pack_collection.names()
# 2 to combine
tree.commit('2')
tree.commit('3')
all = tree.branch.repository._pack_collection.names()
combine = list(set(all) - set(to_keep))
self.assertLength(3, all)
self.assertLength(2, combine)
tree.branch.repository.pack(hint=combine)
final = tree.branch.repository._pack_collection.names()
self.assertLength(2, final)
self.assertFalse(combine[0] in final)
self.assertFalse(combine[1] in final)
self.assertSubset(to_keep, final)
def test_stream_source_to_gc(self):
source = self.make_repository('source', format='2a')
target = self.make_repository('target', format='2a')
stream = source._get_source(target._format)
self.assertIsInstance(stream, groupcompress_repo.GroupCHKStreamSource)
def test_stream_source_to_non_gc(self):
source = self.make_repository('source', format='2a')
target = self.make_repository('target', format='rich-root-pack')
stream = source._get_source(target._format)
# We don't want the child GroupCHKStreamSource
self.assertIs(type(stream), vf_repository.StreamSource)
def test_get_stream_for_missing_keys_includes_all_chk_refs(self):
source_builder = self.make_branch_builder('source',
format='2a')
# We have to build a fairly large tree, so that we are sure the chk
# pages will have split into multiple pages.
entries = [('add', ('', 'a-root-id', 'directory', None))]
for i in 'abcdefghijklmnopqrstuvwxyz123456789':
for j in 'abcdefghijklmnopqrstuvwxyz123456789':
fname = i + j
fid = fname + '-id'
content = 'content for %s\n' % (fname,)
entries.append(('add', (fname, fid, 'file', content)))
source_builder.start_series()
source_builder.build_snapshot('rev-1', None, entries)
# Now change a few of them, so we get a few new pages for the second
# revision
source_builder.build_snapshot('rev-2', ['rev-1'], [
('modify', ('aa-id', 'new content for aa-id\n')),
('modify', ('cc-id', 'new content for cc-id\n')),
('modify', ('zz-id', 'new content for zz-id\n')),
])
source_builder.finish_series()
source_branch = source_builder.get_branch()
source_branch.lock_read()
self.addCleanup(source_branch.unlock)
target = self.make_repository('target', format='2a')
source = source_branch.repository._get_source(target._format)
self.assertIsInstance(source, groupcompress_repo.GroupCHKStreamSource)
# On a regular pass, getting the inventories and chk pages for rev-2
# would only get the newly created chk pages
search = vf_search.SearchResult({'rev-2'}, {'rev-1'}, 1,
{'rev-2'})
simple_chk_records = []
for vf_name, substream in source.get_stream(search):
if vf_name == 'chk_bytes':
for record in substream:
simple_chk_records.append(record.key)
else:
for _ in substream:
continue
# 3 pages, the root (InternalNode), + 2 pages which actually changed
self.assertEqual([('sha1:91481f539e802c76542ea5e4c83ad416bf219f73',),
('sha1:4ff91971043668583985aec83f4f0ab10a907d3f',),
('sha1:81e7324507c5ca132eedaf2d8414ee4bb2226187',),
('sha1:b101b7da280596c71a4540e9a1eeba8045985ee0',)],
simple_chk_records)
# Now, when we do a similar call using 'get_stream_for_missing_keys'
# we should get a much larger set of pages.
missing = [('inventories', 'rev-2')]
full_chk_records = []
for vf_name, substream in source.get_stream_for_missing_keys(missing):
if vf_name == 'inventories':
for record in substream:
self.assertEqual(('rev-2',), record.key)
elif vf_name == 'chk_bytes':
for record in substream:
full_chk_records.append(record.key)
else:
self.fail('Should not be getting a stream of %s' % (vf_name,))
# We have 257 records now. This is because we have 1 root page, and 256
# leaf pages in a complete listing.
self.assertEqual(257, len(full_chk_records))
self.assertSubset(simple_chk_records, full_chk_records)
def test_inconsistency_fatal(self):
repo = self.make_repository('repo', format='2a')
self.assertTrue(repo.revisions._index._inconsistency_fatal)
self.assertFalse(repo.texts._index._inconsistency_fatal)
self.assertFalse(repo.inventories._index._inconsistency_fatal)
self.assertFalse(repo.signatures._index._inconsistency_fatal)
self.assertFalse(repo.chk_bytes._index._inconsistency_fatal)
class TestKnitPackStreamSource(tests.TestCaseWithMemoryTransport):
def test_source_to_exact_pack_092(self):
source = self.make_repository('source', format='pack-0.92')
target = self.make_repository('target', format='pack-0.92')
stream_source = source._get_source(target._format)
self.assertIsInstance(stream_source, knitpack_repo.KnitPackStreamSource)
def test_source_to_exact_pack_rich_root_pack(self):
source = self.make_repository('source', format='rich-root-pack')
target = self.make_repository('target', format='rich-root-pack')
stream_source = source._get_source(target._format)
self.assertIsInstance(stream_source, knitpack_repo.KnitPackStreamSource)
def test_source_to_exact_pack_19(self):
source = self.make_repository('source', format='1.9')
target = self.make_repository('target', format='1.9')
stream_source = source._get_source(target._format)
self.assertIsInstance(stream_source, knitpack_repo.KnitPackStreamSource)
def test_source_to_exact_pack_19_rich_root(self):
source = self.make_repository('source', format='1.9-rich-root')
target = self.make_repository('target', format='1.9-rich-root')
stream_source = source._get_source(target._format)
self.assertIsInstance(stream_source, knitpack_repo.KnitPackStreamSource)
def test_source_to_remote_exact_pack_19(self):
trans = self.make_smart_server('target')
trans.ensure_base()
source = self.make_repository('source', format='1.9')
target = self.make_repository('target', format='1.9')
target = repository.Repository.open(trans.base)
stream_source = source._get_source(target._format)
self.assertIsInstance(stream_source, knitpack_repo.KnitPackStreamSource)
def test_stream_source_to_non_exact(self):
source = self.make_repository('source', format='pack-0.92')
target = self.make_repository('target', format='1.9')
stream = source._get_source(target._format)
self.assertIs(type(stream), vf_repository.StreamSource)
def test_stream_source_to_non_exact_rich_root(self):
source = self.make_repository('source', format='1.9')
target = self.make_repository('target', format='1.9-rich-root')
stream = source._get_source(target._format)
self.assertIs(type(stream), vf_repository.StreamSource)
def test_source_to_remote_non_exact_pack_19(self):
trans = self.make_smart_server('target')
trans.ensure_base()
source = self.make_repository('source', format='1.9')
target = self.make_repository('target', format='1.6')
target = repository.Repository.open(trans.base)
stream_source = source._get_source(target._format)
self.assertIs(type(stream_source), vf_repository.StreamSource)
def test_stream_source_to_knit(self):
source = self.make_repository('source', format='pack-0.92')
target = self.make_repository('target', format='dirstate')
stream = source._get_source(target._format)
self.assertIs(type(stream), vf_repository.StreamSource)
class TestDevelopment6FindParentIdsOfRevisions(TestCaseWithTransport):
"""Tests for _find_parent_ids_of_revisions."""
def setUp(self):
super(TestDevelopment6FindParentIdsOfRevisions, self).setUp()
self.builder = self.make_branch_builder('source')
self.builder.start_series()
self.builder.build_snapshot('initial', None,
[('add', ('', 'tree-root', 'directory', None))])
self.repo = self.builder.get_branch().repository
self.addCleanup(self.builder.finish_series)
def assertParentIds(self, expected_result, rev_set):
self.assertEqual(sorted(expected_result),
sorted(self.repo._find_parent_ids_of_revisions(rev_set)))
def test_simple(self):
self.builder.build_snapshot('revid1', None, [])
self.builder.build_snapshot('revid2', ['revid1'], [])
rev_set = ['revid2']
self.assertParentIds(['revid1'], rev_set)
def test_not_first_parent(self):
self.builder.build_snapshot('revid1', None, [])
self.builder.build_snapshot('revid2', ['revid1'], [])
self.builder.build_snapshot('revid3', ['revid2'], [])
rev_set = ['revid3', 'revid2']
self.assertParentIds(['revid1'], rev_set)
def test_not_null(self):
rev_set = ['initial']
self.assertParentIds([], rev_set)
def test_not_null_set(self):
self.builder.build_snapshot('revid1', None, [])
rev_set = [_mod_revision.NULL_REVISION]
self.assertParentIds([], rev_set)
def test_ghost(self):
self.builder.build_snapshot('revid1', None, [])
rev_set = ['ghost', 'revid1']
self.assertParentIds(['initial'], rev_set)
def test_ghost_parent(self):
self.builder.build_snapshot('revid1', None, [])
self.builder.build_snapshot('revid2', ['revid1', 'ghost'], [])
rev_set = ['revid2', 'revid1']
self.assertParentIds(['ghost', 'initial'], rev_set)
def test_righthand_parent(self):
self.builder.build_snapshot('revid1', None, [])
self.builder.build_snapshot('revid2a', ['revid1'], [])
self.builder.build_snapshot('revid2b', ['revid1'], [])
self.builder.build_snapshot('revid3', ['revid2a', 'revid2b'], [])
rev_set = ['revid3', 'revid2a']
self.assertParentIds(['revid1', 'revid2b'], rev_set)
class TestWithBrokenRepo(TestCaseWithTransport):
"""These tests seem to be more appropriate as interface tests?"""
def make_broken_repository(self):
# XXX: This function is borrowed from Aaron's "Reconcile can fix bad
# parent references" branch which is due to land in bzr.dev soon. Once
# it does, this duplication should be removed.
repo = self.make_repository('broken-repo')
cleanups = []
try:
repo.lock_write()
cleanups.append(repo.unlock)
repo.start_write_group()
cleanups.append(repo.commit_write_group)
# make rev1a: A well-formed revision, containing 'file1'
inv = inventory.Inventory(revision_id='rev1a')
inv.root.revision = 'rev1a'
self.add_file(repo, inv, 'file1', 'rev1a', [])
repo.texts.add_lines((inv.root.file_id, 'rev1a'), [], [])
repo.add_inventory('rev1a', inv, [])
revision = _mod_revision.Revision('rev1a',
committer='jrandom@example.com', timestamp=0,
inventory_sha1='', timezone=0, message='foo', parent_ids=[])
repo.add_revision('rev1a', revision, inv)
# make rev1b, which has no Revision, but has an Inventory, and
# file1
inv = inventory.Inventory(revision_id='rev1b')
inv.root.revision = 'rev1b'
self.add_file(repo, inv, 'file1', 'rev1b', [])
repo.add_inventory('rev1b', inv, [])
# make rev2, with file1 and file2
# file2 is sane
# file1 has 'rev1b' as an ancestor, even though this is not
# mentioned by 'rev1a', making it an unreferenced ancestor
inv = inventory.Inventory()
self.add_file(repo, inv, 'file1', 'rev2', ['rev1a', 'rev1b'])
self.add_file(repo, inv, 'file2', 'rev2', [])
self.add_revision(repo, 'rev2', inv, ['rev1a'])
# make ghost revision rev1c
inv = inventory.Inventory()
self.add_file(repo, inv, 'file2', 'rev1c', [])
# make rev3 with file2
# file2 refers to 'rev1c', which is a ghost in this repository, so
# file2 cannot have rev1c as its ancestor.
inv = inventory.Inventory()
self.add_file(repo, inv, 'file2', 'rev3', ['rev1c'])
self.add_revision(repo, 'rev3', inv, ['rev1c'])
return repo
finally:
for cleanup in reversed(cleanups):
cleanup()
def add_revision(self, repo, revision_id, inv, parent_ids):
inv.revision_id = revision_id
inv.root.revision = revision_id
repo.texts.add_lines((inv.root.file_id, revision_id), [], [])
repo.add_inventory(revision_id, inv, parent_ids)
revision = _mod_revision.Revision(revision_id,
committer='jrandom@example.com', timestamp=0, inventory_sha1='',
timezone=0, message='foo', parent_ids=parent_ids)
repo.add_revision(revision_id, revision, inv)
def add_file(self, repo, inv, filename, revision, parents):
file_id = filename + '-id'
entry = inventory.InventoryFile(file_id, filename, 'TREE_ROOT')
entry.revision = revision
entry.text_size = 0
inv.add(entry)
text_key = (file_id, revision)
parent_keys = [(file_id, parent) for parent in parents]
repo.texts.add_lines(text_key, parent_keys, ['line\n'])
def test_insert_from_broken_repo(self):
"""Inserting a data stream from a broken repository won't silently
corrupt the target repository.
"""
broken_repo = self.make_broken_repository()
empty_repo = self.make_repository('empty-repo')
try:
empty_repo.fetch(broken_repo)
except (errors.RevisionNotPresent, errors.BzrCheckError):
# Test successful: compression parent not being copied leads to
# error.
return
empty_repo.lock_read()
self.addCleanup(empty_repo.unlock)
text = next(empty_repo.texts.get_record_stream(
[('file2-id', 'rev3')], 'topological', True))
self.assertEqual('line\n', text.get_bytes_as('fulltext'))
class TestRepositoryPackCollection(TestCaseWithTransport):
def get_format(self):
return controldir.format_registry.make_controldir('pack-0.92')
def get_packs(self):
format = self.get_format()
repo = self.make_repository('.', format=format)
return repo._pack_collection
def make_packs_and_alt_repo(self, write_lock=False):
"""Create a pack repo with 3 packs, and access it via a second repo."""
tree = self.make_branch_and_tree('.', format=self.get_format())
tree.lock_write()
self.addCleanup(tree.unlock)
rev1 = tree.commit('one')
rev2 = tree.commit('two')
rev3 = tree.commit('three')
r = repository.Repository.open('.')
if write_lock:
r.lock_write()
else:
r.lock_read()
self.addCleanup(r.unlock)
packs = r._pack_collection
packs.ensure_loaded()
return tree, r, packs, [rev1, rev2, rev3]
def test__clear_obsolete_packs(self):
packs = self.get_packs()
obsolete_pack_trans = packs.transport.clone('obsolete_packs')
obsolete_pack_trans.put_bytes('a-pack.pack', 'content\n')
obsolete_pack_trans.put_bytes('a-pack.rix', 'content\n')
obsolete_pack_trans.put_bytes('a-pack.iix', 'content\n')
obsolete_pack_trans.put_bytes('another-pack.pack', 'foo\n')
obsolete_pack_trans.put_bytes('not-a-pack.rix', 'foo\n')
res = packs._clear_obsolete_packs()
self.assertEqual(['a-pack', 'another-pack'], sorted(res))
self.assertEqual([], obsolete_pack_trans.list_dir('.'))
def test__clear_obsolete_packs_preserve(self):
packs = self.get_packs()
obsolete_pack_trans = packs.transport.clone('obsolete_packs')
obsolete_pack_trans.put_bytes('a-pack.pack', 'content\n')
obsolete_pack_trans.put_bytes('a-pack.rix', 'content\n')
obsolete_pack_trans.put_bytes('a-pack.iix', 'content\n')
obsolete_pack_trans.put_bytes('another-pack.pack', 'foo\n')
obsolete_pack_trans.put_bytes('not-a-pack.rix', 'foo\n')
res = packs._clear_obsolete_packs(preserve={'a-pack'})
self.assertEqual(['a-pack', 'another-pack'], sorted(res))
self.assertEqual(['a-pack.iix', 'a-pack.pack', 'a-pack.rix'],
sorted(obsolete_pack_trans.list_dir('.')))
def test__max_pack_count(self):
"""The maximum pack count is a function of the number of revisions."""
# no revisions - one pack, so that we can have a revision free repo
# without it blowing up
packs = self.get_packs()
self.assertEqual(1, packs._max_pack_count(0))
# after that the sum of the digits, - check the first 1-9
self.assertEqual(1, packs._max_pack_count(1))
self.assertEqual(2, packs._max_pack_count(2))
self.assertEqual(3, packs._max_pack_count(3))
self.assertEqual(4, packs._max_pack_count(4))
self.assertEqual(5, packs._max_pack_count(5))
self.assertEqual(6, packs._max_pack_count(6))
self.assertEqual(7, packs._max_pack_count(7))
self.assertEqual(8, packs._max_pack_count(8))
self.assertEqual(9, packs._max_pack_count(9))
# check the boundary cases with two digits for the next decade
self.assertEqual(1, packs._max_pack_count(10))
self.assertEqual(2, packs._max_pack_count(11))
self.assertEqual(10, packs._max_pack_count(19))
self.assertEqual(2, packs._max_pack_count(20))
self.assertEqual(3, packs._max_pack_count(21))
# check some arbitrary big numbers
self.assertEqual(25, packs._max_pack_count(112894))
def test_repr(self):
packs = self.get_packs()
self.assertContainsRe(repr(packs),
'RepositoryPackCollection(.*Repository(.*))')
def test__obsolete_packs(self):
tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
names = packs.names()
pack = packs.get_pack_by_name(names[0])
# Schedule this one for removal
packs._remove_pack_from_memory(pack)
# Simulate a concurrent update by renaming the .pack file and one of
# the indices
packs.transport.rename('packs/%s.pack' % (names[0],),
'obsolete_packs/%s.pack' % (names[0],))
packs.transport.rename('indices/%s.iix' % (names[0],),
'obsolete_packs/%s.iix' % (names[0],))
# Now trigger the obsoletion, and ensure that all the remaining files
# are still renamed
packs._obsolete_packs([pack])
self.assertEqual([n + '.pack' for n in names[1:]],
sorted(packs._pack_transport.list_dir('.')))
# names[0] should not be present in the index anymore
self.assertEqual(names[1:],
sorted({osutils.splitext(n)[0] for n in
packs._index_transport.list_dir('.')}))
def test__obsolete_packs_missing_directory(self):
tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
r.control_transport.rmdir('obsolete_packs')
names = packs.names()
pack = packs.get_pack_by_name(names[0])
# Schedule this one for removal
packs._remove_pack_from_memory(pack)
# Now trigger the obsoletion, and ensure that all the remaining files
# are still renamed
packs._obsolete_packs([pack])
self.assertEqual([n + '.pack' for n in names[1:]],
sorted(packs._pack_transport.list_dir('.')))
# names[0] should not be present in the index anymore
self.assertEqual(names[1:],
sorted({osutils.splitext(n)[0] for n in
packs._index_transport.list_dir('.')}))
def test_pack_distribution_zero(self):
packs = self.get_packs()
self.assertEqual([0], packs.pack_distribution(0))
def test_ensure_loaded_unlocked(self):
packs = self.get_packs()
self.assertRaises(errors.ObjectNotLocked,
packs.ensure_loaded)
def test_pack_distribution_one_to_nine(self):
packs = self.get_packs()
self.assertEqual([1],
packs.pack_distribution(1))
self.assertEqual([1, 1],
packs.pack_distribution(2))
self.assertEqual([1, 1, 1],
packs.pack_distribution(3))
self.assertEqual([1, 1, 1, 1],
packs.pack_distribution(4))
self.assertEqual([1, 1, 1, 1, 1],
packs.pack_distribution(5))
self.assertEqual([1, 1, 1, 1, 1, 1],
packs.pack_distribution(6))
self.assertEqual([1, 1, 1, 1, 1, 1, 1],
packs.pack_distribution(7))
self.assertEqual([1, 1, 1, 1, 1, 1, 1, 1],
packs.pack_distribution(8))
self.assertEqual([1, 1, 1, 1, 1, 1, 1, 1, 1],
packs.pack_distribution(9))
def test_pack_distribution_stable_at_boundaries(self):
"""When there are multi-rev packs the counts are stable."""
packs = self.get_packs()
# in 10s:
self.assertEqual([10], packs.pack_distribution(10))
self.assertEqual([10, 1], packs.pack_distribution(11))
self.assertEqual([10, 10], packs.pack_distribution(20))
self.assertEqual([10, 10, 1], packs.pack_distribution(21))
# 100s
self.assertEqual([100], packs.pack_distribution(100))
self.assertEqual([100, 1], packs.pack_distribution(101))
self.assertEqual([100, 10, 1], packs.pack_distribution(111))
self.assertEqual([100, 100], packs.pack_distribution(200))
self.assertEqual([100, 100, 1], packs.pack_distribution(201))
self.assertEqual([100, 100, 10, 1], packs.pack_distribution(211))
def test_plan_pack_operations_2009_revisions_skip_all_packs(self):
packs = self.get_packs()
existing_packs = [(2000, "big"), (9, "medium")]
# rev count - 2009 -> 2x1000 + 9x1
pack_operations = packs.plan_autopack_combinations(
existing_packs, [1000, 1000, 1, 1, 1, 1, 1, 1, 1, 1, 1])
self.assertEqual([], pack_operations)
def test_plan_pack_operations_2010_revisions_skip_all_packs(self):
packs = self.get_packs()
existing_packs = [(2000, "big"), (9, "medium"), (1, "single")]
# rev count - 2010 -> 2x1000 + 1x10
pack_operations = packs.plan_autopack_combinations(
existing_packs, [1000, 1000, 10])
self.assertEqual([], pack_operations)
def test_plan_pack_operations_2010_combines_smallest_two(self):
packs = self.get_packs()
existing_packs = [(1999, "big"), (9, "medium"), (1, "single2"),
(1, "single1")]
# rev count - 2010 -> 2x1000 + 1x10 (3)
pack_operations = packs.plan_autopack_combinations(
existing_packs, [1000, 1000, 10])
self.assertEqual([[2, ["single2", "single1"]]], pack_operations)
def test_plan_pack_operations_creates_a_single_op(self):
packs = self.get_packs()
existing_packs = [(50, 'a'), (40, 'b'), (30, 'c'), (10, 'd'),
(10, 'e'), (6, 'f'), (4, 'g')]
# rev count 150 -> 1x100 and 5x10
# The two size 10 packs do not need to be touched. The 50, 40, 30 would
# be combined into a single 120 size pack, and the 6 & 4 would
# becombined into a size 10 pack. However, if we have to rewrite them,
# we save a pack file with no increased I/O by putting them into the
# same file.
distribution = packs.pack_distribution(150)
pack_operations = packs.plan_autopack_combinations(existing_packs,
distribution)
self.assertEqual([[130, ['a', 'b', 'c', 'f', 'g']]], pack_operations)
def test_all_packs_none(self):
format = self.get_format()
tree = self.make_branch_and_tree('.', format=format)
tree.lock_read()
self.addCleanup(tree.unlock)
packs = tree.branch.repository._pack_collection
packs.ensure_loaded()
self.assertEqual([], packs.all_packs())
def test_all_packs_one(self):
format = self.get_format()
tree = self.make_branch_and_tree('.', format=format)
tree.commit('start')
tree.lock_read()
self.addCleanup(tree.unlock)
packs = tree.branch.repository._pack_collection
packs.ensure_loaded()
self.assertEqual([
packs.get_pack_by_name(packs.names()[0])],
packs.all_packs())
def test_all_packs_two(self):
format = self.get_format()
tree = self.make_branch_and_tree('.', format=format)
tree.commit('start')
tree.commit('continue')
tree.lock_read()
self.addCleanup(tree.unlock)
packs = tree.branch.repository._pack_collection
packs.ensure_loaded()
self.assertEqual([
packs.get_pack_by_name(packs.names()[0]),
packs.get_pack_by_name(packs.names()[1]),
], packs.all_packs())
def test_get_pack_by_name(self):
format = self.get_format()
tree = self.make_branch_and_tree('.', format=format)
tree.commit('start')
tree.lock_read()
self.addCleanup(tree.unlock)
packs = tree.branch.repository._pack_collection
packs.reset()
packs.ensure_loaded()
name = packs.names()[0]
pack_1 = packs.get_pack_by_name(name)
# the pack should be correctly initialised
sizes = packs._names[name]
rev_index = GraphIndex(packs._index_transport, name + '.rix', sizes[0])
inv_index = GraphIndex(packs._index_transport, name + '.iix', sizes[1])
txt_index = GraphIndex(packs._index_transport, name + '.tix', sizes[2])
sig_index = GraphIndex(packs._index_transport, name + '.six', sizes[3])
self.assertEqual(pack_repo.ExistingPack(packs._pack_transport,
name, rev_index, inv_index, txt_index, sig_index), pack_1)
# and the same instance should be returned on successive calls.
self.assertTrue(pack_1 is packs.get_pack_by_name(name))
def test_reload_pack_names_new_entry(self):
tree, r, packs, revs = self.make_packs_and_alt_repo()
names = packs.names()
# Add a new pack file into the repository
rev4 = tree.commit('four')
new_names = tree.branch.repository._pack_collection.names()
new_name = set(new_names).difference(names)
self.assertEqual(1, len(new_name))
new_name = new_name.pop()
# The old collection hasn't noticed yet
self.assertEqual(names, packs.names())
self.assertTrue(packs.reload_pack_names())
self.assertEqual(new_names, packs.names())
# And the repository can access the new revision
self.assertEqual({rev4:(revs[-1],)}, r.get_parent_map([rev4]))
self.assertFalse(packs.reload_pack_names())
def test_reload_pack_names_added_and_removed(self):
tree, r, packs, revs = self.make_packs_and_alt_repo()
names = packs.names()
# Now repack the whole thing
tree.branch.repository.pack()
new_names = tree.branch.repository._pack_collection.names()
# The other collection hasn't noticed yet
self.assertEqual(names, packs.names())
self.assertTrue(packs.reload_pack_names())
self.assertEqual(new_names, packs.names())
self.assertEqual({revs[-1]:(revs[-2],)}, r.get_parent_map([revs[-1]]))
self.assertFalse(packs.reload_pack_names())
def test_reload_pack_names_preserves_pending(self):
# TODO: Update this to also test for pending-deleted names
tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
# We will add one pack (via start_write_group + insert_record_stream),
# and remove another pack (via _remove_pack_from_memory)
orig_names = packs.names()
orig_at_load = packs._packs_at_load
to_remove_name = next(iter(orig_names))
r.start_write_group()
self.addCleanup(r.abort_write_group)
r.texts.insert_record_stream([versionedfile.FulltextContentFactory(
('text', 'rev'), (), None, 'content\n')])
new_pack = packs._new_pack
self.assertTrue(new_pack.data_inserted())
new_pack.finish()
packs.allocate(new_pack)
packs._new_pack = None
removed_pack = packs.get_pack_by_name(to_remove_name)
packs._remove_pack_from_memory(removed_pack)
names = packs.names()
all_nodes, deleted_nodes, new_nodes, _ = packs._diff_pack_names()
new_names = {x[0][0] for x in new_nodes}
self.assertEqual(names, sorted([x[0][0] for x in all_nodes]))
self.assertEqual(set(names) - set(orig_names), new_names)
self.assertEqual({new_pack.name}, new_names)
self.assertEqual([to_remove_name],
sorted([x[0][0] for x in deleted_nodes]))
packs.reload_pack_names()
reloaded_names = packs.names()
self.assertEqual(orig_at_load, packs._packs_at_load)
self.assertEqual(names, reloaded_names)
all_nodes, deleted_nodes, new_nodes, _ = packs._diff_pack_names()
new_names = {x[0][0] for x in new_nodes}
self.assertEqual(names, sorted([x[0][0] for x in all_nodes]))
self.assertEqual(set(names) - set(orig_names), new_names)
self.assertEqual({new_pack.name}, new_names)
self.assertEqual([to_remove_name],
sorted([x[0][0] for x in deleted_nodes]))
def test_autopack_obsoletes_new_pack(self):
tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
packs._max_pack_count = lambda x: 1
packs.pack_distribution = lambda x: [10]
r.start_write_group()
r.revisions.insert_record_stream([versionedfile.FulltextContentFactory(
('bogus-rev',), (), None, 'bogus-content\n')])
# This should trigger an autopack, which will combine everything into a
# single pack file.
new_names = r.commit_write_group()
names = packs.names()
self.assertEqual(1, len(names))
self.assertEqual([names[0] + '.pack'],
packs._pack_transport.list_dir('.'))
def test_autopack_reloads_and_stops(self):
tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
# After we have determined what needs to be autopacked, trigger a
# full-pack via the other repo which will cause us to re-evaluate and
# decide we don't need to do anything
orig_execute = packs._execute_pack_operations
def _munged_execute_pack_ops(*args, **kwargs):
tree.branch.repository.pack()
return orig_execute(*args, **kwargs)
packs._execute_pack_operations = _munged_execute_pack_ops
packs._max_pack_count = lambda x: 1
packs.pack_distribution = lambda x: [10]
self.assertFalse(packs.autopack())
self.assertEqual(1, len(packs.names()))
self.assertEqual(tree.branch.repository._pack_collection.names(),
packs.names())
def test__save_pack_names(self):
tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
names = packs.names()
pack = packs.get_pack_by_name(names[0])
packs._remove_pack_from_memory(pack)
packs._save_pack_names(obsolete_packs=[pack])
cur_packs = packs._pack_transport.list_dir('.')
self.assertEqual([n + '.pack' for n in names[1:]], sorted(cur_packs))
# obsolete_packs will also have stuff like .rix and .iix present.
obsolete_packs = packs.transport.list_dir('obsolete_packs')
obsolete_names = {osutils.splitext(n)[0] for n in obsolete_packs}
self.assertEqual([pack.name], sorted(obsolete_names))
def test__save_pack_names_already_obsoleted(self):
tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
names = packs.names()
pack = packs.get_pack_by_name(names[0])
packs._remove_pack_from_memory(pack)
# We are going to simulate a concurrent autopack by manually obsoleting
# the pack directly.
packs._obsolete_packs([pack])
packs._save_pack_names(clear_obsolete_packs=True,
obsolete_packs=[pack])
cur_packs = packs._pack_transport.list_dir('.')
self.assertEqual([n + '.pack' for n in names[1:]], sorted(cur_packs))
# Note that while we set clear_obsolete_packs=True, it should not
# delete a pack file that we have also scheduled for obsoletion.
obsolete_packs = packs.transport.list_dir('obsolete_packs')
obsolete_names = {osutils.splitext(n)[0] for n in obsolete_packs}
self.assertEqual([pack.name], sorted(obsolete_names))
def test_pack_no_obsolete_packs_directory(self):
"""Bug #314314, don't fail if obsolete_packs directory does
not exist."""
tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
r.control_transport.rmdir('obsolete_packs')
packs._clear_obsolete_packs()
class TestPack(TestCaseWithTransport):
"""Tests for the Pack object."""
def assertCurrentlyEqual(self, left, right):
self.assertTrue(left == right)
self.assertTrue(right == left)
self.assertFalse(left != right)
self.assertFalse(right != left)
def assertCurrentlyNotEqual(self, left, right):
self.assertFalse(left == right)
self.assertFalse(right == left)
self.assertTrue(left != right)
self.assertTrue(right != left)
def test___eq____ne__(self):
left = pack_repo.ExistingPack('', '', '', '', '', '')
right = pack_repo.ExistingPack('', '', '', '', '', '')
self.assertCurrentlyEqual(left, right)
# change all attributes and ensure equality changes as we do.
left.revision_index = 'a'
self.assertCurrentlyNotEqual(left, right)
right.revision_index = 'a'
self.assertCurrentlyEqual(left, right)
left.inventory_index = 'a'
self.assertCurrentlyNotEqual(left, right)
right.inventory_index = 'a'
self.assertCurrentlyEqual(left, right)
left.text_index = 'a'
self.assertCurrentlyNotEqual(left, right)
right.text_index = 'a'
self.assertCurrentlyEqual(left, right)
left.signature_index = 'a'
self.assertCurrentlyNotEqual(left, right)
right.signature_index = 'a'
self.assertCurrentlyEqual(left, right)
left.name = 'a'
self.assertCurrentlyNotEqual(left, right)
right.name = 'a'
self.assertCurrentlyEqual(left, right)
left.transport = 'a'
self.assertCurrentlyNotEqual(left, right)
right.transport = 'a'
self.assertCurrentlyEqual(left, right)
def test_file_name(self):
pack = pack_repo.ExistingPack('', 'a_name', '', '', '', '')
self.assertEqual('a_name.pack', pack.file_name())
class TestNewPack(TestCaseWithTransport):
"""Tests for pack_repo.NewPack."""
def test_new_instance_attributes(self):
upload_transport = self.get_transport('upload')
pack_transport = self.get_transport('pack')
index_transport = self.get_transport('index')
upload_transport.mkdir('.')
collection = pack_repo.RepositoryPackCollection(
repo=None,
transport=self.get_transport('.'),
index_transport=index_transport,
upload_transport=upload_transport,
pack_transport=pack_transport,
index_builder_class=BTreeBuilder,
index_class=BTreeGraphIndex,
use_chk_index=False)
pack = pack_repo.NewPack(collection)
self.addCleanup(pack.abort) # Make sure the write stream gets closed
self.assertIsInstance(pack.revision_index, BTreeBuilder)
self.assertIsInstance(pack.inventory_index, BTreeBuilder)
self.assertIsInstance(pack._hash, type(osutils.md5()))
self.assertTrue(pack.upload_transport is upload_transport)
self.assertTrue(pack.index_transport is index_transport)
self.assertTrue(pack.pack_transport is pack_transport)
self.assertEqual(None, pack.index_sizes)
self.assertEqual(20, len(pack.random_name))
self.assertIsInstance(pack.random_name, str)
self.assertIsInstance(pack.start_time, float)
class TestPacker(TestCaseWithTransport):
"""Tests for the packs repository Packer class."""
def test_pack_optimizes_pack_order(self):
builder = self.make_branch_builder('.', format="1.9")
builder.start_series()
builder.build_snapshot('A', None, [
('add', ('', 'root-id', 'directory', None)),
('add', ('f', 'f-id', 'file', 'content\n'))])
builder.build_snapshot('B', ['A'],
[('modify', ('f-id', 'new-content\n'))])
builder.build_snapshot('C', ['B'],
[('modify', ('f-id', 'third-content\n'))])
builder.build_snapshot('D', ['C'],
[('modify', ('f-id', 'fourth-content\n'))])
b = builder.get_branch()
b.lock_read()
builder.finish_series()
self.addCleanup(b.unlock)
# At this point, we should have 4 pack files available
# Because of how they were built, they correspond to
# ['D', 'C', 'B', 'A']
packs = b.repository._pack_collection.packs
packer = knitpack_repo.KnitPacker(b.repository._pack_collection,
packs, 'testing',
revision_ids=['B', 'C'])
# Now, when we are copying the B & C revisions, their pack files should
# be moved to the front of the stack
# The new ordering moves B & C to the front of the .packs attribute,
# and leaves the others in the original order.
new_packs = [packs[1], packs[2], packs[0], packs[3]]
new_pack = packer.pack()
self.assertEqual(new_packs, packer.packs)
class TestOptimisingPacker(TestCaseWithTransport):
"""Tests for the OptimisingPacker class."""
def get_pack_collection(self):
repo = self.make_repository('.')
return repo._pack_collection
def test_open_pack_will_optimise(self):
packer = knitpack_repo.OptimisingKnitPacker(self.get_pack_collection(),
[], '.test')
new_pack = packer.open_pack()
self.addCleanup(new_pack.abort) # ensure cleanup
self.assertIsInstance(new_pack, pack_repo.NewPack)
self.assertTrue(new_pack.revision_index._optimize_for_size)
self.assertTrue(new_pack.inventory_index._optimize_for_size)
self.assertTrue(new_pack.text_index._optimize_for_size)
self.assertTrue(new_pack.signature_index._optimize_for_size)
class TestGCCHKPacker(TestCaseWithTransport):
def make_abc_branch(self):
builder = self.make_branch_builder('source')
builder.start_series()
builder.build_snapshot('A', None, [
('add', ('', 'root-id', 'directory', None)),
('add', ('file', 'file-id', 'file', 'content\n')),
])
builder.build_snapshot('B', ['A'], [
('add', ('dir', 'dir-id', 'directory', None))])
builder.build_snapshot('C', ['B'], [
('modify', ('file-id', 'new content\n'))])
builder.finish_series()
return builder.get_branch()
def make_branch_with_disjoint_inventory_and_revision(self):
"""a repo with separate packs for a revisions Revision and Inventory.
There will be one pack file that holds the Revision content, and one
for the Inventory content.
:return: (repository,
pack_name_with_rev_A_Revision,
pack_name_with_rev_A_Inventory,
pack_name_with_rev_C_content)
"""
b_source = self.make_abc_branch()
b_base = b_source.controldir.sprout('base', revision_id='A').open_branch()
b_stacked = b_base.controldir.sprout('stacked', stacked=True).open_branch()
b_stacked.lock_write()
self.addCleanup(b_stacked.unlock)
b_stacked.fetch(b_source, 'B')
# Now re-open the stacked repo directly (no fallbacks) so that we can
# fill in the A rev.
repo_not_stacked = b_stacked.controldir.open_repository()
repo_not_stacked.lock_write()
self.addCleanup(repo_not_stacked.unlock)
# Now we should have a pack file with A's inventory, but not its
# Revision
self.assertEqual([('A',), ('B',)],
sorted(repo_not_stacked.inventories.keys()))
self.assertEqual([('B',)],
sorted(repo_not_stacked.revisions.keys()))
stacked_pack_names = repo_not_stacked._pack_collection.names()
# We have a couple names here, figure out which has A's inventory
for name in stacked_pack_names:
pack = repo_not_stacked._pack_collection.get_pack_by_name(name)
keys = [n[1] for n in pack.inventory_index.iter_all_entries()]
if ('A',) in keys:
inv_a_pack_name = name
break
else:
self.fail('Could not find pack containing A\'s inventory')
repo_not_stacked.fetch(b_source.repository, 'A')
self.assertEqual([('A',), ('B',)],
sorted(repo_not_stacked.revisions.keys()))
new_pack_names = set(repo_not_stacked._pack_collection.names())
rev_a_pack_names = new_pack_names.difference(stacked_pack_names)
self.assertEqual(1, len(rev_a_pack_names))
rev_a_pack_name = list(rev_a_pack_names)[0]
# Now fetch 'C', so we have a couple pack files to join
repo_not_stacked.fetch(b_source.repository, 'C')
rev_c_pack_names = set(repo_not_stacked._pack_collection.names())
rev_c_pack_names = rev_c_pack_names.difference(new_pack_names)
self.assertEqual(1, len(rev_c_pack_names))
rev_c_pack_name = list(rev_c_pack_names)[0]
return (repo_not_stacked, rev_a_pack_name, inv_a_pack_name,
rev_c_pack_name)
def test_pack_with_distant_inventories(self):
# See https://bugs.launchpad.net/bzr/+bug/437003
# When repacking, it is possible to have an inventory in a different
# pack file than the associated revision. An autopack can then come
# along, and miss that inventory, and complain.
(repo, rev_a_pack_name, inv_a_pack_name, rev_c_pack_name
) = self.make_branch_with_disjoint_inventory_and_revision()
a_pack = repo._pack_collection.get_pack_by_name(rev_a_pack_name)
c_pack = repo._pack_collection.get_pack_by_name(rev_c_pack_name)
packer = groupcompress_repo.GCCHKPacker(repo._pack_collection,
[a_pack, c_pack], '.test-pack')
# This would raise ValueError in bug #437003, but should not raise an
# error once fixed.
packer.pack()
def test_pack_with_missing_inventory(self):
# Similar to test_pack_with_missing_inventory, but this time, we force
# the A inventory to actually be gone from the repository.
(repo, rev_a_pack_name, inv_a_pack_name, rev_c_pack_name
) = self.make_branch_with_disjoint_inventory_and_revision()
inv_a_pack = repo._pack_collection.get_pack_by_name(inv_a_pack_name)
repo._pack_collection._remove_pack_from_memory(inv_a_pack)
packer = groupcompress_repo.GCCHKPacker(repo._pack_collection,
repo._pack_collection.all_packs(), '.test-pack')
e = self.assertRaises(ValueError, packer.pack)
packer.new_pack.abort()
self.assertContainsRe(str(e),
r"We are missing inventories for revisions: .*'A'")
class TestCrossFormatPacks(TestCaseWithTransport):
def log_pack(self, hint=None):
self.calls.append(('pack', hint))
self.orig_pack(hint=hint)
if self.expect_hint:
self.assertTrue(hint)
def run_stream(self, src_fmt, target_fmt, expect_pack_called):
self.expect_hint = expect_pack_called
self.calls = []
source_tree = self.make_branch_and_tree('src', format=src_fmt)
source_tree.lock_write()
self.addCleanup(source_tree.unlock)
tip = source_tree.commit('foo')
target = self.make_repository('target', format=target_fmt)
target.lock_write()
self.addCleanup(target.unlock)
source = source_tree.branch.repository._get_source(target._format)
self.orig_pack = target.pack
self.overrideAttr(target, "pack", self.log_pack)
search = target.search_missing_revision_ids(
source_tree.branch.repository, revision_ids=[tip])
stream = source.get_stream(search)
from_format = source_tree.branch.repository._format
sink = target._get_sink()
sink.insert_stream(stream, from_format, [])
if expect_pack_called:
self.assertLength(1, self.calls)
else:
self.assertLength(0, self.calls)
def run_fetch(self, src_fmt, target_fmt, expect_pack_called):
self.expect_hint = expect_pack_called
self.calls = []
source_tree = self.make_branch_and_tree('src', format=src_fmt)
source_tree.lock_write()
self.addCleanup(source_tree.unlock)
tip = source_tree.commit('foo')
target = self.make_repository('target', format=target_fmt)
target.lock_write()
self.addCleanup(target.unlock)
source = source_tree.branch.repository
self.orig_pack = target.pack
self.overrideAttr(target, "pack", self.log_pack)
target.fetch(source)
if expect_pack_called:
self.assertLength(1, self.calls)
else:
self.assertLength(0, self.calls)
def test_sink_format_hint_no(self):
# When the target format says packing makes no difference, pack is not
# called.
self.run_stream('1.9', 'rich-root-pack', False)
def test_sink_format_hint_yes(self):
# When the target format says packing makes a difference, pack is
# called.
self.run_stream('1.9', '2a', True)
def test_sink_format_same_no(self):
# When the formats are the same, pack is not called.
self.run_stream('2a', '2a', False)
def test_IDS_format_hint_no(self):
# When the target format says packing makes no difference, pack is not
# called.
self.run_fetch('1.9', 'rich-root-pack', False)
def test_IDS_format_hint_yes(self):
# When the target format says packing makes a difference, pack is
# called.
self.run_fetch('1.9', '2a', True)
def test_IDS_format_same_no(self):
# When the formats are the same, pack is not called.
self.run_fetch('2a', '2a', False)
class Test_LazyListJoin(tests.TestCase):
def test__repr__(self):
lazy = repository._LazyListJoin(['a'], ['b'])
self.assertEqual("breezy.repository._LazyListJoin((['a'], ['b']))",
repr(lazy))
class TestFeatures(tests.TestCaseWithTransport):
def test_open_with_present_feature(self):
self.addCleanup(
bzrrepository.RepositoryFormatMetaDir.unregister_feature,
"makes-cheese-sandwich")
bzrrepository.RepositoryFormatMetaDir.register_feature(
"makes-cheese-sandwich")
repo = self.make_repository('.')
repo.lock_write()
repo._format.features["makes-cheese-sandwich"] = "required"
repo._format.check_support_status(False)
repo.unlock()
def test_open_with_missing_required_feature(self):
repo = self.make_repository('.')
repo.lock_write()
repo._format.features["makes-cheese-sandwich"] = "required"
self.assertRaises(bzrdir.MissingFeature,
repo._format.check_support_status, False)