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# Copyright (C) 2023-2024 VyOS maintainers and contributors
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or later as
# published by the Free Software Foundation.
#
# 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, see <http://www.gnu.org/licenses/>.
import vyos.configtree
from unittest import TestCase
class TestConfigDiff(TestCase):
def setUp(self):
with open('tests/data/config.left', 'r') as f:
config_string = f.read()
self.config_left = vyos.configtree.ConfigTree(config_string)
with open('tests/data/config.right', 'r') as f:
config_string = f.read()
self.config_right = vyos.configtree.ConfigTree(config_string)
self.config_null = vyos.configtree.ConfigTree('')
def test_unit(self):
diff = vyos.configtree.DiffTree(self.config_left, self.config_null)
sub = diff.sub
self.assertEqual(sub.to_string(), self.config_left.to_string())
diff = vyos.configtree.DiffTree(self.config_null, self.config_left)
add = diff.add
self.assertEqual(add.to_string(), self.config_left.to_string())
def test_symmetry(self):
lr_diff = vyos.configtree.DiffTree(self.config_left,
self.config_right)
rl_diff = vyos.configtree.DiffTree(self.config_right,
self.config_left)
sub = lr_diff.sub
add = rl_diff.add
self.assertEqual(sub.to_string(), add.to_string())
add = lr_diff.add
sub = rl_diff.sub
self.assertEqual(add.to_string(), sub.to_string())
def test_identity(self):
lr_diff = vyos.configtree.DiffTree(self.config_left,
self.config_right)
sub = lr_diff.sub
inter = lr_diff.inter
add = lr_diff.add
r_union = vyos.configtree.union(add, inter)
l_union = vyos.configtree.union(sub, inter)
self.assertEqual(r_union.to_string(),
self.config_right.to_string(ordered_values=True))
self.assertEqual(l_union.to_string(),
self.config_left.to_string(ordered_values=True))
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