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# Copyright (C) 2006 by Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""Tests for reconiliation of repositories."""
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import bzrlib.errors as errors
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from bzrlib.reconcile import reconcile, Reconciler, RepoReconciler
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from bzrlib.revision import Revision
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from bzrlib.tests.repository_implementations.test_repository import TestCaseWithRepository
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from bzrlib.transport import get_transport
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from bzrlib.tree import EmptyTree
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from bzrlib.workingtree import WorkingTree
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class TestsNeedingReweave(TestCaseWithRepository):
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super(TestsNeedingReweave, self).setUp()
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t = get_transport(self.get_url())
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# an empty inventory with no revision for testing with.
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# this is referenced by 'references_missing' to let us test
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# that all the cached data is correctly converted into ghost links
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# and the referenced inventory still cleaned.
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repo = self.make_repository('inventory_without_revision')
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inv = EmptyTree().inventory
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repo.add_inventory('missing', inv, [])
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sha1 = repo.add_inventory('references_missing', inv, ['missing'])
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rev = Revision(timestamp=0,
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committer="Foo Bar <foo@example.com>",
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revision_id='references_missing')
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rev.parent_ids = ['missing']
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repo.add_revision('references_missing', rev)
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# a inventory with no parents and the revision has parents..
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repo = self.make_repository('inventory_one_ghost')
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sha1 = repo.add_inventory('ghost', inv, [])
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rev = Revision(timestamp=0,
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committer="Foo Bar <foo@example.com>",
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rev.parent_ids = ['the_ghost']
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repo.add_revision('ghost', rev)
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# a inventory with a ghost that can be corrected now.
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t.copy_tree('inventory_one_ghost', 'inventory_ghost_present')
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repo = bzrlib.repository.Repository.open('inventory_ghost_present')
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sha1 = repo.add_inventory('the_ghost', inv, [])
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rev = Revision(timestamp=0,
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committer="Foo Bar <foo@example.com>",
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revision_id='the_ghost')
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repo.add_revision('the_ghost', rev)
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def test_reweave_empty(self):
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self.make_repository('empty')
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d = bzrlib.bzrdir.BzrDir.open('empty')
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# calling on a empty repository should do nothing
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reconciler = RepoReconciler(d.find_repository())
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reconciler.reconcile()
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# no inconsistent parents should have been found
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self.assertEqual(0, reconciler.inconsistent_parents)
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# and no garbage inventories
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self.assertEqual(0, reconciler.garbage_inventories)
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# and no backup weave should have been needed/made.
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repo = d.open_repository()
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self.assertRaises(errors.NoSuchFile,
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repo.control_weaves.get_weave,
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repo.get_transaction())
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def test_reweave_inventory_without_revision_reconcile(self):
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# smoke test for the all in one ui tool
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d = bzrlib.bzrdir.BzrDir.open('inventory_without_revision')
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# now the backup should have it but not the current inventory
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repo = d.open_repository()
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backup = repo.control_weaves.get_weave('inventory.backup',
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repo.get_transaction())
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self.assertTrue('missing' in backup.names())
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self.assertRaises(errors.WeaveRevisionNotPresent,
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repo.get_inventory, 'missing')
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def test_reweave_inventory_without_revision_reconciler(self):
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# smoke test for the all in one Reconciler class,
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# other tests use the lower level RepoReconciler.
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d = bzrlib.bzrdir.BzrDir.open('inventory_without_revision')
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reconciler = Reconciler(d)
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reconciler.reconcile()
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# no inconsistent parents should have been found
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self.assertEqual(1, reconciler.inconsistent_parents)
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# and one garbage inventories
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self.assertEqual(1, reconciler.garbage_inventories)
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# now the backup should have it but not the current inventory
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repo = d.open_repository()
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backup = repo.control_weaves.get_weave('inventory.backup',
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repo.get_transaction())
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self.assertTrue('missing' in backup.names())
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self.assertRaises(errors.WeaveRevisionNotPresent,
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repo.get_inventory, 'missing')
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def test_reweave_inventory_without_revision(self):
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# actual low level test.
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d = bzrlib.bzrdir.BzrDir.open('inventory_without_revision')
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reconciler = RepoReconciler(d.open_repository())
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reconciler.reconcile()
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# no inconsistent parents should have been found
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self.assertEqual(1, reconciler.inconsistent_parents)
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# and one garbage inventories
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self.assertEqual(1, reconciler.garbage_inventories)
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# now the backup should have it but not the current inventory
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repo = d.open_repository()
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backup = repo.control_weaves.get_weave('inventory.backup',
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repo.get_transaction())
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self.assertTrue('missing' in backup.names())
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self.assertRaises(errors.WeaveRevisionNotPresent,
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repo.get_inventory, 'missing')
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# and the parent list for 'references_missing' should have that
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# revision a ghost now.
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self.assertEqual([None, 'references_missing'],
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repo.get_ancestry('references_missing'))
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def test_reweave_inventory_preserves_a_revision_with_ghosts(self):
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d = bzrlib.bzrdir.BzrDir.open('inventory_one_ghost')
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reconciler = RepoReconciler(d.open_repository())
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reconciler.reconcile()
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# no inconsistent parents should have been found:
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# the lack of a parent for ghost is normal
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self.assertEqual(0, reconciler.inconsistent_parents)
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# and one garbage inventories
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self.assertEqual(0, reconciler.garbage_inventories)
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# now the current inventory should still have 'ghost'
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repo = d.open_repository()
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repo.get_inventory('ghost')
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self.assertEqual([None, 'ghost'], repo.get_ancestry('ghost'))
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def test_reweave_inventory_fixes_ancestryfor_a_present_ghost(self):
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d = bzrlib.bzrdir.BzrDir.open('inventory_ghost_present')
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repo = d.open_repository()
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self.assertEqual([None, 'ghost'], repo.get_ancestry('ghost'))
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reconciler = RepoReconciler(repo)
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reconciler.reconcile()
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# one inconsistent parents should have been found : the
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# available but not reference parent for ghost.
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self.assertEqual(1, reconciler.inconsistent_parents)
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# and no garbage inventories
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self.assertEqual(0, reconciler.garbage_inventories)
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# now the current inventory should still have 'ghost'
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repo = d.open_repository()
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repo.get_inventory('ghost')
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repo.get_inventory('the_ghost')
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self.assertEqual([None, 'the_ghost', 'ghost'], repo.get_ancestry('ghost'))
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self.assertEqual([None, 'the_ghost'], repo.get_ancestry('the_ghost'))
added
removed
bzrlib/tests/repository_implementations/test_reconcile.py
