diff options
-rw-r--r-- | python/vyos/configtree.py | 27 | ||||
-rw-r--r-- | src/tests/test_config_diff.py | 70 | ||||
-rw-r--r-- | tests/data/config.left | 36 | ||||
-rw-r--r-- | tests/data/config.right | 25 |
4 files changed, 155 insertions, 3 deletions
diff --git a/python/vyos/configtree.py b/python/vyos/configtree.py index c0b3ebd78..9308bdde4 100644 --- a/python/vyos/configtree.py +++ b/python/vyos/configtree.py @@ -60,7 +60,7 @@ class ConfigTree(object): self.__get_error.restype = c_char_p self.__to_string = self.__lib.to_string - self.__to_string.argtypes = [c_void_p] + self.__to_string.argtypes = [c_void_p, c_bool] self.__to_string.restype = c_char_p self.__to_commands = self.__lib.to_commands @@ -160,8 +160,8 @@ class ConfigTree(object): def _get_config(self): return self.__config - def to_string(self): - config_string = self.__to_string(self.__config).decode() + def to_string(self, ordered_values=False): + config_string = self.__to_string(self.__config, ordered_values).decode() config_string = "{0}\n{1}".format(config_string, self.__version) return config_string @@ -352,6 +352,27 @@ def show_diff(left, right, path=[], commands=False, libpath=LIBPATH): return res +def union(left, right, libpath=LIBPATH): + if left is None: + left = ConfigTree(config_string='\n') + if right is None: + right = ConfigTree(config_string='\n') + if not (isinstance(left, ConfigTree) and isinstance(right, ConfigTree)): + raise TypeError("Arguments must be instances of ConfigTree") + + __lib = cdll.LoadLibrary(libpath) + __tree_union = __lib.tree_union + __tree_union.argtypes = [c_void_p, c_void_p] + __tree_union.restype = c_void_p + __get_error = __lib.get_error + __get_error.argtypes = [] + __get_error.restype = c_char_p + + res = __tree_union( left._get_config(), right._get_config()) + tree = ConfigTree(address=res) + + return tree + class DiffTree: def __init__(self, left, right, path=[], libpath=LIBPATH): if left is None: diff --git a/src/tests/test_config_diff.py b/src/tests/test_config_diff.py new file mode 100644 index 000000000..f61cbc4a2 --- /dev/null +++ b/src/tests/test_config_diff.py @@ -0,0 +1,70 @@ +#!/usr/bin/env python3 +# +# Copyright (C) 2023 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 os +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)) diff --git a/tests/data/config.left b/tests/data/config.left new file mode 100644 index 000000000..e57c40396 --- /dev/null +++ b/tests/data/config.left @@ -0,0 +1,36 @@ +node1 { + tag_node foo { + valueless + multi_node 'v2' + multi_node 'v1' + single 'left_val' + } + tag_node bar { + node { + single 'v0' + } + } + tag_node other { + leaf 'leaf_l' + } +} + +node3 { +} + +node2 { + sub_node_other { + single 'val' + } + sub_node { + tag_node other { + single 'val' + } + tag_node bob { + valued 'baz' + } + tag_node duff { + valued 'buz' + } + } +} diff --git a/tests/data/config.right b/tests/data/config.right new file mode 100644 index 000000000..48defeb89 --- /dev/null +++ b/tests/data/config.right @@ -0,0 +1,25 @@ +node1 { + tag_node baz { + other_node { + multi_node 'some_val' + multe_node 'other_val' + } + } + tag_node foo { + valueless + multi_node 'v3' + multi_node 'v1' + single 'right_val' + } + tag_node other { + leaf 'leaf_r' + } +} + +node2 { + sub_node { + tag_node other { + multi 'mv' + } + } +} |