/brz/remove-bazaar

# Copyright (C) 2005 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

"""Tests for the IdentityMap class."""

# import system imports here

#import bzrlib specific imports here

import bzrlib.errors as errors

from bzrlib.tests import TestCase

import bzrlib.identitymap as identitymap

class TestIdentityMap(TestCase):

    def test_symbols(self):

        from bzrlib.identitymap import IdentityMap

    def test_construct(self):

        identitymap.IdentityMap()

    def test_add_weave(self):

        map = identitymap.IdentityMap()

        weave = "foo"

        map.add_weave("id", weave)

        self.assertEqual(weave, map.find_weave("id"))

    def test_double_add_weave(self):

        map = identitymap.IdentityMap()

        weave = "foo"

        map.add_weave("id", weave)

        self.assertRaises(errors.BzrError, map.add_weave, "id", weave)

        self.assertEqual(weave, map.find_weave("id"))

    def test_remove_object(self):

        map = identitymap.IdentityMap()

        weave = "foo"

        map.add_weave("id", weave)

        map.remove_object(weave)

        map.add_weave("id", weave)

class TestNullIdentityMap(TestCase):

    def test_symbols(self):

        from bzrlib.identitymap import NullIdentityMap

    def test_construct(self):

        identitymap.NullIdentityMap()

    def test_add_weave(self):

        map = identitymap.NullIdentityMap()

        weave = "foo"

        map.add_weave("id", weave)

        self.assertEqual(None, map.find_weave("id"))

    def test_double_add_weave(self):

        map = identitymap.NullIdentityMap()

        weave = "foo"

        map.add_weave("id", weave)

        map.add_weave("id", weave)

        self.assertEqual(None, map.find_weave("id"))

    def test_null_identity_map_has_no_remove(self):

        map = identitymap.NullIdentityMap()

        self.assertEqual(None, getattr(map, 'remove_object', None))