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# Copyright (C) 2006 by 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""Tests for Tree and InterTree."""
from bzrlib.tests import TestCaseWithTransport
from bzrlib.tree import InterTree
class TestInterTree(TestCaseWithTransport):
def test_revision_tree_revision_tree(self):
# we should have an InterTree registered for RevisionTree to
# RevisionTree.
tree = self.make_branch_and_tree('.')
rev_id = tree.commit('first post')
rev_id2 = tree.commit('second post', allow_pointless=True)
rev_tree = tree.branch.repository.revision_tree(rev_id)
rev_tree2 = tree.branch.repository.revision_tree(rev_id2)
optimiser = InterTree.get(rev_tree, rev_tree2)
self.assertIsInstance(optimiser, InterTree)
optimiser = InterTree.get(rev_tree2, rev_tree)
self.assertIsInstance(optimiser, InterTree)
def test_working_tree_revision_tree(self):
# we should have an InterTree available for WorkingTree to
# RevisionTree.
tree = self.make_branch_and_tree('.')
rev_id = tree.commit('first post')
rev_tree = tree.branch.repository.revision_tree(rev_id)
optimiser = InterTree.get(rev_tree, tree)
self.assertIsInstance(optimiser, InterTree)
optimiser = InterTree.get(tree, rev_tree)
self.assertIsInstance(optimiser, InterTree)
def test_working_tree_working_tree(self):
# we should have an InterTree available for WorkingTree to
# WorkingTree.
tree = self.make_branch_and_tree('1')
tree2 = self.make_branch_and_tree('2')
optimiser = InterTree.get(tree, tree2)
self.assertIsInstance(optimiser, InterTree)
optimiser = InterTree.get(tree2, tree)
self.assertIsInstance(optimiser, InterTree)
class RecordingOptimiser(InterTree):
calls = []
def compare(self):
self.calls.append(('compare', self.source, self.target))
@classmethod
def is_compatible(klass, source, target):
return True
class TestTree(TestCaseWithTransport):
def test_compare_calls_InterTree_compare(self):
old_optimisers = InterTree._optimisers
try:
InterTree._optimisers = set()
RecordingOptimiser.calls = []
InterTree.register_optimiser(RecordingOptimiser)
tree = self.make_branch_and_tree('1')
tree2 = self.make_branch_and_tree('2')
tree.changes_from(tree2)
finally:
InterTree._optimisers = old_optimisers
self.assertEqual([('compare', tree2, tree)], RecordingOptimiser.calls)
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