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# Copyright (c) 2020 Deutsche Telekom.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
import os
import sys
import unittest
from collections import namedtuple
from tempfile import NamedTemporaryFile
if sys.version_info[0] < 3:
from mock import patch
if sys.version_info[0] >= 3:
from unittest.mock import patch
import pytest
import yaml
from onaplogging.logWatchDog import FileEventHandlers, _yamlConfig
from onaplogging.utils.tools import yaml_to_dict, _yaml2Dict
TestEvent = namedtuple("TestEvent", ["src_path"])
class TestLogWatchdog(unittest.TestCase):
TEST_DICT = {
"A": {
"B": "C"
}
}
def setUp(self):
super(TestLogWatchdog, self).setUp()
self.temp_file = NamedTemporaryFile(mode="w+t", delete=False)
self.temp_file.write(yaml.dump(self.TEST_DICT))
self.temp_file.close()
def tearDown(self):
super(TestLogWatchdog, self).tearDown()
os.unlink(self.temp_file.name)
def test_yaml2dict(self):
with pytest.raises(TypeError):
_yaml2Dict(None)
self.assertDictEqual(self.TEST_DICT, _yaml2Dict(self.temp_file.name))
def test_file_event_handler(self):
with patch("onaplogging.logWatchDog.config.dictConfig") as mock_config:
mock_config.side_effect = Exception
feh = FileEventHandlers(self.temp_file.name)
self.assertIsNone(feh.currentConfig)
feh.on_modified(TestEvent(src_path=self.temp_file.name))
self.assertIsNone(feh.currentConfig)
with patch("onaplogging.logWatchDog.config"):
feh = FileEventHandlers(self.temp_file.name)
self.assertIsNone(feh.currentConfig)
feh.on_modified(TestEvent(src_path=self.temp_file.name))
self.assertIsNotNone(feh.currentConfig)
def test_patch_yaml_config(self):
with pytest.raises(TypeError):
_yamlConfig(filepath=None)
with pytest.raises(OSError):
_yamlConfig(filepath="invalid path")
with patch("onaplogging.logWatchDog.config.dictConfig") as mock_config:
_yamlConfig(filepath=self.temp_file.name)
mock_config.assert_called_once_with(self.TEST_DICT)
with patch("onaplogging.logWatchDog.config.dictConfig") as mock_config:
with patch("onaplogging.logWatchDog.Observer.start") as mock_observer_start:
_yamlConfig(filepath=self.temp_file.name, watchDog=True)
mock_config.assert_called_once_with(self.TEST_DICT)
mock_observer_start.assert_called_once()
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