~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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

"""Tests for MutableTree.

Most functionality of MutableTree is tested as part of WorkingTree.

"""

from bzrlib import (

    mutabletree,

    tests,

    )

class TestHooks(tests.TestCase):

    def test_constructor(self):

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

        defaults."""

        hooks = mutabletree.MutableTreeHooks()

        self.assertTrue("start_commit" in hooks,

                        "start_commit not in %s" % hooks)

        self.assertTrue("post_commit" in hooks,

                        "post_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.MutableTree][1],

                              mutabletree.MutableTreeHooks)

class TestHasChanges(tests.TestCaseWithTransport):

    def setUp(self):

        super(TestHasChanges, self).setUp()

        self.tree = self.make_branch_and_tree('tree')

    def test_with_uncommitted_changes(self):

        self.build_tree(['tree/file'])

        self.tree.add('file')

        self.assertTrue(self.tree.has_changes())

    def test_with_pending_merges(self):

        self.tree.commit('first commit')

        other_tree = self.tree.bzrdir.sprout('other').open_workingtree()

        other_tree.commit('mergeable commit')

        self.tree.merge_from_branch(other_tree.branch)

        self.assertTrue(self.tree.has_changes())