~bzr-pqm/bzr/bzr.dev

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# Copyright (C) 2006 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

"""Test Tree.changes_from() for WorkingTree specific scenarios."""

from bzrlib import revision
from bzrlib.tests.workingtree_implementations import TestCaseWithWorkingTree


class TestChangesFrom(TestCaseWithWorkingTree):
    
    def setUp(self):
        super(TestChangesFrom, self).setUp()
        self.tree = self.make_branch_and_tree('tree')
        files = ['a', 'b/', 'b/c']
        self.build_tree(files, transport=self.tree.bzrdir.root_transport)
        self.tree.add(files, ['a-id', 'b-id', 'c-id'])
        self.tree.commit('initial tree')

    def test_unknown(self):
        self.build_tree(['tree/unknown'])
        # Unknowns are not reported by changes_from
        d = self.tree.changes_from(self.tree.basis_tree())
        self.assertEqual([], d.added)
        self.assertEqual([], d.removed)
        self.assertEqual([], d.renamed)
        self.assertEqual([], d.modified)

    def test_unknown_specific_file(self):
        self.build_tree(['tree/unknown'])
        empty_tree = self.tree.branch.repository.revision_tree(
                        revision.NULL_REVISION)
                        
        # If a specific_files list is present, even if none of the
        # files are versioned, only paths that are present in the list
        # should be compared
        d = self.tree.changes_from(empty_tree, specific_files=['unknown'])
        self.assertEqual([], d.added)
        self.assertEqual([], d.removed)
        self.assertEqual([], d.renamed)
        self.assertEqual([], d.modified)