~bzr-pqm/bzr/bzr.dev

# Copyright (C) 2008 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 MutableTree.

Most functionality of MutableTree is tested as part of WorkingTree.

"""

from bzrlib.tests import TestCase

from bzrlib.mutabletree import MutableTree, MutableTreeHooks

class TestHooks(TestCase):

    def test_constructor(self):

        """Check that creating a MutableTreeHooks instance has the right 

        defaults."""

        hooks = MutableTreeHooks()

        self.assertTrue("start_commit" in hooks, 

                        "start_commit not in %s" % hooks)

    def test_installed_hooks_are_MutableTreeHooks(self):

        """The installed hooks object should be a MutableTreeHooks."""

        # the installed hooks are saved in self._preserved_hooks.

        self.assertIsInstance(self._preserved_hooks[MutableTree], 

                              MutableTreeHooks)