~bzr-pqm/bzr/bzr.dev

# Copyright (C) 2007 Canonical Ltd

# Authors:  Robert Collins <robert.collins@canonical.com>

#

# 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

from bzrlib.transform import TreeTransform

from bzrlib.tests.workingtree_implementations import TestCaseWithWorkingTree

class TestNestedSupport(TestCaseWithWorkingTree):

    def test_set_get_tree_reference(self):

        """This tests that setting a tree reference is persistent."""

        tree = self.make_branch_and_tree('.')

        if not tree.supports_tree_reference():

            return

        transform = TreeTransform(tree)

        trans_id = transform.new_directory('reference', transform.root,

            'subtree-id')

        transform.set_tree_reference('subtree-revision', trans_id)

        transform.apply()

        tree = tree.bzrdir.open_workingtree()

        tree.lock_read()

        self.addCleanup(tree.unlock)

        self.assertEqual('subtree-revision',

            tree.inventory['subtree-id'].reference_revision)

    def test_extract_while_locked(self):

        tree = self.make_branch_and_tree('.')

        if not tree.supports_tree_reference():

            return

        tree.lock_write()

        self.addCleanup(tree.unlock)

        self.build_tree(['subtree/'])

        tree.add(['subtree'], ['subtree-id'])

        subtree = tree.extract('subtree-id')