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#!/usr/bin/env python3
#
# Copyright (C) 2020 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 re
import json
import unittest
import warnings
import importlib.util
from inspect import signature, getsource
from functools import wraps
from vyos.defaults import directories
INC_FILE = '/usr/share/vyos/configd-include.json'
CONF_DIR = directories['conf_mode']
f_list = ['get_config', 'verify', 'generate', 'apply']
def import_script(s):
path = os.path.join(CONF_DIR, s)
name = os.path.splitext(s)[0].replace('-', '_')
spec = importlib.util.spec_from_file_location(name, path)
module = importlib.util.module_from_spec(spec)
spec.loader.exec_module(module)
return module
# importing conf_mode scripts imports jinja2 with deprecation warning
def ignore_deprecation_warning(f):
@wraps(f)
def decorated_function(*args, **kwargs):
with warnings.catch_warnings():
warnings.simplefilter("ignore")
f(*args, **kwargs)
return decorated_function
class TestConfigdInclude(unittest.TestCase):
def setUp(self):
with open(INC_FILE) as f:
self.inc_list = json.load(f)
@ignore_deprecation_warning
def test_signatures(self):
for s in self.inc_list:
m = import_script(s)
for i in f_list:
f = getattr(m, i, None)
if not f:
continue
sig = signature(f)
par = sig.parameters
l = len(par)
self.assertEqual(l, 1,
f"'{s}': '{i}' incorrect signature")
if i == 'get_config':
for p in par.values():
self.assertTrue(p.default is None,
f"'{s}': '{i}' incorrect signature")
@ignore_deprecation_warning
def test_function_instance(self):
for s in self.inc_list:
m = import_script(s)
for i in f_list:
f = getattr(m, i, None)
if not f:
continue
str_f = getsource(f)
# Regex not XXXConfig() T3108
n = len(re.findall(r'[^a-zA-Z]Config\(\)', str_f))
if i == 'get_config':
self.assertEqual(n, 1,
f"'{s}': '{i}' no instance of Config")
if i != 'get_config':
self.assertEqual(n, 0,
f"'{s}': '{i}' instance of Config")
@ignore_deprecation_warning
def test_file_instance(self):
for s in self.inc_list:
m = import_script(s)
str_m = getsource(m)
# Regex not XXXConfig T3108
n = len(re.findall(r'[^a-zA-Z]Config\(\)', str_m))
self.assertEqual(n, 1,
f"'{s}' more than one instance of Config")
@ignore_deprecation_warning
def test_config_modification(self):
for s in self.inc_list:
m = import_script(s)
str_m = getsource(m)
n = str_m.count('my_set')
self.assertEqual(n, 0, f"'{s}' modifies config")
if __name__ == '__main__':
unittest.main()
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