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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 repository implementations - tests a repository format."""
from bzrlib import (
errors,
gpg,
inventory,
repository as _mod_repository,
revision as _mod_revision,
tests,
versionedfile,
vf_repository,
)
from bzrlib.symbol_versioning import deprecated_in
from bzrlib.tests.matchers import MatchesAncestry
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 TestRepository(TestCaseWithRepository):
scenarios = all_repository_vf_format_scenarios()
def assertFormatAttribute(self, attribute, allowed_values):
"""Assert that the format has an attribute 'attribute'."""
repo = self.make_repository('repo')
self.assertSubset([getattr(repo._format, attribute)], allowed_values)
def test_attribute__fetch_order(self):
"""Test the _fetch_order attribute."""
self.assertFormatAttribute('_fetch_order', ('topological', 'unordered'))
def test_attribute__fetch_uses_deltas(self):
"""Test the _fetch_uses_deltas attribute."""
self.assertFormatAttribute('_fetch_uses_deltas', (True, False))
def test_attribute_inventories_store(self):
"""Test the existence of the inventories attribute."""
tree = self.make_branch_and_tree('tree')
repo = tree.branch.repository
self.assertIsInstance(repo.inventories, versionedfile.VersionedFiles)
def test_attribute_inventories_basics(self):
"""Test basic aspects of the inventories attribute."""
tree = self.make_branch_and_tree('tree')
repo = tree.branch.repository
rev_id = (tree.commit('a'),)
tree.lock_read()
self.addCleanup(tree.unlock)
self.assertEqual(set([rev_id]), set(repo.inventories.keys()))
def test_attribute_revision_store(self):
"""Test the existence of the revisions attribute."""
tree = self.make_branch_and_tree('tree')
repo = tree.branch.repository
self.assertIsInstance(repo.revisions,
versionedfile.VersionedFiles)
def test_attribute_revision_store_basics(self):
"""Test the basic behaviour of the revisions attribute."""
tree = self.make_branch_and_tree('tree')
repo = tree.branch.repository
repo.lock_write()
try:
self.assertEqual(set(), set(repo.revisions.keys()))
revid = (tree.commit("foo"),)
self.assertEqual(set([revid]), set(repo.revisions.keys()))
self.assertEqual({revid:()},
repo.revisions.get_parent_map([revid]))
finally:
repo.unlock()
tree2 = self.make_branch_and_tree('tree2')
tree2.pull(tree.branch)
left_id = (tree2.commit('left'),)
right_id = (tree.commit('right'),)
tree.merge_from_branch(tree2.branch)
merge_id = (tree.commit('merged'),)
repo.lock_read()
self.addCleanup(repo.unlock)
self.assertEqual(set([revid, left_id, right_id, merge_id]),
set(repo.revisions.keys()))
self.assertEqual({revid:(), left_id:(revid,), right_id:(revid,),
merge_id:(right_id, left_id)},
repo.revisions.get_parent_map(repo.revisions.keys()))
def test_attribute_signature_store(self):
"""Test the existence of the signatures attribute."""
tree = self.make_branch_and_tree('tree')
repo = tree.branch.repository
self.assertIsInstance(repo.signatures,
versionedfile.VersionedFiles)
def test_exposed_versioned_files_are_marked_dirty(self):
repo = self.make_repository('.')
repo.lock_write()
signatures = repo.signatures
revisions = repo.revisions
inventories = repo.inventories
repo.unlock()
self.assertRaises(errors.ObjectNotLocked,
signatures.keys)
self.assertRaises(errors.ObjectNotLocked,
revisions.keys)
self.assertRaises(errors.ObjectNotLocked,
inventories.keys)
self.assertRaises(errors.ObjectNotLocked,
signatures.add_lines, ('foo',), [], [])
self.assertRaises(errors.ObjectNotLocked,
revisions.add_lines, ('foo',), [], [])
self.assertRaises(errors.ObjectNotLocked,
inventories.add_lines, ('foo',), [], [])
def test__get_sink(self):
repo = self.make_repository('repo')
sink = repo._get_sink()
self.assertIsInstance(sink, vf_repository.StreamSink)
def test_get_serializer_format(self):
repo = self.make_repository('.')
format = repo.get_serializer_format()
self.assertEqual(repo._serializer.format_num, format)
def test_add_revision_inventory_sha1(self):
inv = inventory.Inventory(revision_id='A')
inv.root.revision = 'A'
inv.root.file_id = 'fixed-root'
# Insert the inventory on its own to an identical repository, to get
# its sha1.
reference_repo = self.make_repository('reference_repo')
reference_repo.lock_write()
reference_repo.start_write_group()
inv_sha1 = reference_repo.add_inventory('A', inv, [])
reference_repo.abort_write_group()
reference_repo.unlock()
# Now insert a revision with this inventory, and it should get the same
# sha1.
repo = self.make_repository('repo')
repo.lock_write()
repo.start_write_group()
root_id = inv.root.file_id
repo.texts.add_lines(('fixed-root', 'A'), [], [])
repo.add_revision('A', _mod_revision.Revision(
'A', committer='B', timestamp=0,
timezone=0, message='C'), inv=inv)
repo.commit_write_group()
repo.unlock()
repo.lock_read()
self.assertEquals(inv_sha1, repo.get_revision('A').inventory_sha1)
repo.unlock()
def test_install_revisions(self):
wt = self.make_branch_and_tree('source')
wt.commit('A', allow_pointless=True, rev_id='A')
repo = wt.branch.repository
repo.lock_write()
repo.start_write_group()
repo.sign_revision('A', gpg.LoopbackGPGStrategy(None))
repo.commit_write_group()
repo.unlock()
repo.lock_read()
self.addCleanup(repo.unlock)
repo2 = self.make_repository('repo2')
revision = repo.get_revision('A')
tree = repo.revision_tree('A')
signature = repo.get_signature_text('A')
repo2.lock_write()
self.addCleanup(repo2.unlock)
vf_repository.install_revisions(repo2, [(revision, tree, signature)])
self.assertEqual(revision, repo2.get_revision('A'))
self.assertEqual(signature, repo2.get_signature_text('A'))
def test_attribute_text_store(self):
"""Test the existence of the texts attribute."""
tree = self.make_branch_and_tree('tree')
repo = tree.branch.repository
self.assertIsInstance(repo.texts,
versionedfile.VersionedFiles)
def test_iter_inventories_is_ordered(self):
# just a smoke test
tree = self.make_branch_and_tree('a')
first_revision = tree.commit('')
second_revision = tree.commit('')
tree.lock_read()
self.addCleanup(tree.unlock)
revs = (first_revision, second_revision)
invs = tree.branch.repository.iter_inventories(revs)
for rev_id, inv in zip(revs, invs):
self.assertEqual(rev_id, inv.revision_id)
self.assertIsInstance(inv, inventory.CommonInventory)
def test_item_keys_introduced_by(self):
# Make a repo with one revision and one versioned file.
tree = self.make_branch_and_tree('t')
self.build_tree(['t/foo'])
tree.add('foo', 'file1')
tree.commit('message', rev_id='rev_id')
repo = tree.branch.repository
repo.lock_write()
repo.start_write_group()
try:
repo.sign_revision('rev_id', gpg.LoopbackGPGStrategy(None))
except errors.UnsupportedOperation:
signature_texts = []
else:
signature_texts = ['rev_id']
repo.commit_write_group()
repo.unlock()
repo.lock_read()
self.addCleanup(repo.unlock)
# Item keys will be in this order, for maximum convenience for
# generating data to insert into knit repository:
# * files
# * inventory
# * signatures
# * revisions
expected_item_keys = [
('file', 'file1', ['rev_id']),
('inventory', None, ['rev_id']),
('signatures', None, signature_texts),
('revisions', None, ['rev_id'])]
item_keys = list(repo.item_keys_introduced_by(['rev_id']))
item_keys = [
(kind, file_id, list(versions))
for (kind, file_id, versions) in item_keys]
if repo.supports_rich_root():
# Check for the root versioned file in the item_keys, then remove
# it from streamed_names so we can compare that with
# expected_record_names.
# Note that the file keys can be in any order, so this test is
# written to allow that.
inv = repo.get_inventory('rev_id')
root_item_key = ('file', inv.root.file_id, ['rev_id'])
self.assertTrue(root_item_key in item_keys)
item_keys.remove(root_item_key)
self.assertEqual(expected_item_keys, item_keys)
def test_attribute_text_store_basics(self):
"""Test the basic behaviour of the text store."""
tree = self.make_branch_and_tree('tree')
repo = tree.branch.repository
file_id = "Foo:Bar"
file_key = (file_id,)
tree.lock_write()
try:
self.assertEqual(set(), set(repo.texts.keys()))
tree.add(['foo'], [file_id], ['file'])
tree.put_file_bytes_non_atomic(file_id, 'content\n')
try:
rev_key = (tree.commit("foo"),)
except errors.IllegalPath:
raise tests.TestNotApplicable(
'file_id %r cannot be stored on this'
' platform for this repo format' % (file_id,))
if repo._format.rich_root_data:
root_commit = (tree.get_root_id(),) + rev_key
keys = set([root_commit])
parents = {root_commit:()}
else:
keys = set()
parents = {}
keys.add(file_key + rev_key)
parents[file_key + rev_key] = ()
self.assertEqual(keys, set(repo.texts.keys()))
self.assertEqual(parents,
repo.texts.get_parent_map(repo.texts.keys()))
finally:
tree.unlock()
tree2 = self.make_branch_and_tree('tree2')
tree2.pull(tree.branch)
tree2.put_file_bytes_non_atomic('Foo:Bar', 'right\n')
right_key = (tree2.commit('right'),)
keys.add(file_key + right_key)
parents[file_key + right_key] = (file_key + rev_key,)
tree.put_file_bytes_non_atomic('Foo:Bar', 'left\n')
left_key = (tree.commit('left'),)
keys.add(file_key + left_key)
parents[file_key + left_key] = (file_key + rev_key,)
tree.merge_from_branch(tree2.branch)
tree.put_file_bytes_non_atomic('Foo:Bar', 'merged\n')
try:
tree.auto_resolve()
except errors.UnsupportedOperation:
pass
merge_key = (tree.commit('merged'),)
keys.add(file_key + merge_key)
parents[file_key + merge_key] = (file_key + left_key,
file_key + right_key)
repo.lock_read()
self.addCleanup(repo.unlock)
self.assertEqual(keys, set(repo.texts.keys()))
self.assertEqual(parents, repo.texts.get_parent_map(repo.texts.keys()))
class TestCaseWithComplexRepository(TestCaseWithRepository):
scenarios = all_repository_vf_format_scenarios()
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'
# this may need some generalising for knits.
tree_a.lock_write()
try:
tree_a.branch.repository.start_write_group()
try:
inv_file = tree_a.branch.repository.inventories
inv_file.add_lines(('orphan',), [], [])
except:
tree_a.branch.repository.commit_write_group()
raise
else:
tree_a.branch.repository.abort_write_group()
finally:
tree_a.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)
# add a reference to a ghost
tree_a.add_parent_tree_id('ghost1')
try:
tree_a.commit('rev3', rev_id='rev3', allow_pointless=True)
except errors.RevisionNotPresent:
raise tests.TestNotApplicable(
"Cannot test with ghosts for this format.")
# add another reference to a ghost, and a second ghost.
tree_a.add_parent_tree_id('ghost1')
tree_a.add_parent_tree_id('ghost2')
tree_a.commit('rev4', rev_id='rev4', allow_pointless=True)
def test_revision_trees(self):
revision_ids = ['rev1', 'rev2', 'rev3', 'rev4']
repository = self.bzrdir.open_repository()
repository.lock_read()
self.addCleanup(repository.unlock)
trees1 = list(repository.revision_trees(revision_ids))
trees2 = [repository.revision_tree(t) for t in revision_ids]
self.assertEqual(len(trees1), len(trees2))
for tree1, tree2 in zip(trees1, trees2):
self.assertFalse(tree2.changes_from(tree1).has_changed())
def test_get_deltas_for_revisions(self):
repository = self.bzrdir.open_repository()
repository.lock_read()
self.addCleanup(repository.unlock)
revisions = [repository.get_revision(r) for r in
['rev1', 'rev2', 'rev3', 'rev4']]
deltas1 = list(repository.get_deltas_for_revisions(revisions))
deltas2 = [repository.get_revision_delta(r.revision_id) for r in
revisions]
self.assertEqual(deltas1, deltas2)
def test_all_revision_ids(self):
# all_revision_ids -> all revisions
self.assertEqual(set(['rev1', 'rev2', 'rev3', 'rev4']),
set(self.bzrdir.open_repository().all_revision_ids()))
def test_reserved_id(self):
repo = self.make_repository('repository')
repo.lock_write()
repo.start_write_group()
try:
self.assertRaises(errors.ReservedId, repo.add_inventory,
'reserved:', None, None)
self.assertRaises(errors.ReservedId, repo.add_inventory_by_delta,
"foo", [], 'reserved:', None)
self.assertRaises(errors.ReservedId, repo.add_revision,
'reserved:', None)
finally:
repo.abort_write_group()
repo.unlock()
class TestCaseWithCorruptRepository(TestCaseWithRepository):
scenarios = all_repository_vf_format_scenarios()
def setUp(self):
super(TestCaseWithCorruptRepository, self).setUp()
# a inventory with no parents and the revision has parents..
# i.e. a ghost.
repo = self.make_repository('inventory_with_unnecessary_ghost')
repo.lock_write()
repo.start_write_group()
inv = inventory.Inventory(revision_id = 'ghost')
inv.root.revision = 'ghost'
if repo.supports_rich_root():
root_id = inv.root.file_id
repo.texts.add_lines((root_id, 'ghost'), [], [])
sha1 = repo.add_inventory('ghost', inv, [])
rev = _mod_revision.Revision(
timestamp=0, timezone=None, committer="Foo Bar <foo@example.com>",
message="Message", inventory_sha1=sha1, revision_id='ghost')
rev.parent_ids = ['the_ghost']
try:
repo.add_revision('ghost', rev)
except (errors.NoSuchRevision, errors.RevisionNotPresent):
raise tests.TestNotApplicable(
"Cannot test with ghosts for this format.")
inv = inventory.Inventory(revision_id = 'the_ghost')
inv.root.revision = 'the_ghost'
if repo.supports_rich_root():
root_id = inv.root.file_id
repo.texts.add_lines((root_id, 'the_ghost'), [], [])
sha1 = repo.add_inventory('the_ghost', inv, [])
rev = _mod_revision.Revision(
timestamp=0, timezone=None, committer="Foo Bar <foo@example.com>",
message="Message", inventory_sha1=sha1, revision_id='the_ghost')
rev.parent_ids = []
repo.add_revision('the_ghost', rev)
# check its setup usefully
inv_weave = repo.inventories
possible_parents = (None, (('ghost',),))
self.assertSubset(inv_weave.get_parent_map([('ghost',)])[('ghost',)],
possible_parents)
repo.commit_write_group()
repo.unlock()
def test_corrupt_revision_access_asserts_if_reported_wrong(self):
repo_url = self.get_url('inventory_with_unnecessary_ghost')
repo = _mod_repository.Repository.open(repo_url)
m = MatchesAncestry(repo, 'ghost')
reported_wrong = False
try:
if m.match(['the_ghost', 'ghost']) is not None:
reported_wrong = True
except errors.CorruptRepository:
# caught the bad data:
return
if not reported_wrong:
return
self.assertRaises(errors.CorruptRepository, repo.get_revision, 'ghost')
def test_corrupt_revision_get_revision_reconcile(self):
repo_url = self.get_url('inventory_with_unnecessary_ghost')
repo = _mod_repository.Repository.open(repo_url)
repo.get_revision_reconcile('ghost')
|