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# Copyright (C) 2008, 2009, 2011, 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 branch implementations - test reconcile() functionality"""
from bzrlib import errors, reconcile
from bzrlib.branch import BzrBranch
from bzrlib.symbol_versioning import deprecated_in
from bzrlib.tests.per_branch import TestCaseWithBranch
from bzrlib.tests import TestNotApplicable
class TestBranchReconcile(TestCaseWithBranch):
def test_reconcile_fixes_invalid_revhistory(self):
if not isinstance(self.branch_format, BzrBranch):
raise TestNotApplicable("test only applies to bzr formats")
# Different formats have different ways of handling invalid revision
# histories, so the setup portion is customized
tree = self.make_branch_and_tree('test')
r1 = tree.commit('one')
r2 = tree.commit('two')
r3 = tree.commit('three')
r4 = tree.commit('four')
# create an alternate branch
tree.set_parent_ids([r1])
tree.branch.set_last_revision_info(1, r1)
r2b = tree.commit('two-b')
# now go back and merge the commit
tree.set_parent_ids([r4, r2b])
tree.branch.set_last_revision_info(4, r4)
r5 = tree.commit('five')
# Now, try to set an invalid history
try:
self.applyDeprecated(deprecated_in((2, 4, 0)),
tree.branch.set_revision_history, [r1, r2b, r5])
if tree.branch.last_revision_info() != (3, r5):
# RemoteBranch silently corrects an impossible revision
# history given to set_revision_history. It can be tricked
# with set_last_revision_info though.
tree.branch.set_last_revision_info(3, r5)
except errors.NotLefthandHistory:
# Branch5 allows set_revision_history to be wrong
# Branch6 raises NotLefthandHistory, but we can force bogus stuff
# with set_last_revision_info
tree.branch.set_last_revision_info(3, r5)
self.assertEqual((3, r5), tree.branch.last_revision_info())
reconciler = tree.branch.reconcile()
self.assertEqual((5, r5), tree.branch.last_revision_info())
self.assertIs(True, reconciler.fixed_history)
def test_reconcile_returns_reconciler(self):
a_branch = self.make_branch('a_branch')
result = a_branch.reconcile()
self.assertIsInstance(result, reconcile.BranchReconciler)
# No history to fix
self.assertIs(False, result.fixed_history)
def test_reconcile_supports_thorough(self):
a_branch = self.make_branch('a_branch')
a_branch.reconcile(thorough=False)
a_branch.reconcile(thorough=True)
def test_reconcile_handles_ghosts_in_revhistory(self):
tree = self.make_branch_and_tree('test')
if not tree.branch.repository._format.supports_ghosts:
raise TestNotApplicable("repository format does not support ghosts")
tree.set_parent_ids(["spooky"], allow_leftmost_as_ghost=True)
r1 = tree.commit('one')
r2 = tree.commit('two')
tree.branch.set_last_revision_info(2, r2)
reconciler = tree.branch.reconcile()
self.assertEqual(r2, tree.branch.last_revision())
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