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# -*- encoding: utf-8 -*-
#
# Copyright © 2013 IBM Corp
#
# Author: Tong Li <litong01@us.ibm.com>
#
# 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. See the
# License for the specific language governing permissions and limitations
# under the License.
"""class for tests in ceilometer/alarm/evaluator/__init__.py
"""
import datetime
import mock
import pytz
from ceilometer.alarm import evaluator
from ceilometer.openstack.common import test
from ceilometer.openstack.common import timeutils
class TestEvaluatorBaseClass(test.BaseTestCase):
def setUp(self):
super(TestEvaluatorBaseClass, self).setUp()
self.called = False
def _notify(self, alarm, previous, reason, details):
self.called = True
raise Exception('Boom!')
def test_base_refresh(self):
notifier = mock.MagicMock()
notifier.notify = self._notify
class EvaluatorSub(evaluator.Evaluator):
def evaluate(self, alarm):
pass
ev = EvaluatorSub(notifier)
ev.api_client = mock.MagicMock()
ev._refresh(mock.MagicMock(), mock.MagicMock(),
mock.MagicMock(), mock.MagicMock())
self.assertTrue(self.called)
def test_base_time_constraints(self):
alarm = mock.MagicMock()
alarm.time_constraints = [
{'name': 'test',
'description': 'test',
'start': '0 11 * * *', # daily at 11:00
'duration': 10800, # 3 hours
'timezone': ''},
{'name': 'test2',
'description': 'test',
'start': '0 23 * * *', # daily at 23:00
'duration': 10800, # 3 hours
'timezone': ''},
]
cls = evaluator.Evaluator
timeutils.set_time_override(datetime.datetime(2014, 1, 1, 12, 0, 0))
self.assertTrue(cls.within_time_constraint(alarm))
timeutils.set_time_override(datetime.datetime(2014, 1, 2, 1, 0, 0))
self.assertTrue(cls.within_time_constraint(alarm))
timeutils.set_time_override(datetime.datetime(2014, 1, 2, 5, 0, 0))
self.assertFalse(cls.within_time_constraint(alarm))
def test_base_time_constraints_complex(self):
alarm = mock.MagicMock()
alarm.time_constraints = [
{'name': 'test',
'description': 'test',
# Every consecutive 2 minutes (from the 3rd to the 57th) past
# every consecutive 2 hours (between 3:00 and 12:59) on every day.
'start': '3-57/2 3-12/2 * * *',
'duration': 30,
'timezone': ''}
]
cls = evaluator.Evaluator
# test minutes inside
timeutils.set_time_override(datetime.datetime(2014, 1, 5, 3, 3, 0))
self.assertTrue(cls.within_time_constraint(alarm))
timeutils.set_time_override(datetime.datetime(2014, 1, 5, 3, 31, 0))
self.assertTrue(cls.within_time_constraint(alarm))
timeutils.set_time_override(datetime.datetime(2014, 1, 5, 3, 57, 0))
self.assertTrue(cls.within_time_constraint(alarm))
# test minutes outside
timeutils.set_time_override(datetime.datetime(2014, 1, 5, 3, 2, 0))
self.assertFalse(cls.within_time_constraint(alarm))
timeutils.set_time_override(datetime.datetime(2014, 1, 5, 3, 4, 0))
self.assertFalse(cls.within_time_constraint(alarm))
timeutils.set_time_override(datetime.datetime(2014, 1, 5, 3, 58, 0))
self.assertFalse(cls.within_time_constraint(alarm))
# test hours inside
timeutils.set_time_override(datetime.datetime(2014, 1, 5, 3, 31, 0))
self.assertTrue(cls.within_time_constraint(alarm))
timeutils.set_time_override(datetime.datetime(2014, 1, 5, 5, 31, 0))
self.assertTrue(cls.within_time_constraint(alarm))
timeutils.set_time_override(datetime.datetime(2014, 1, 5, 11, 31, 0))
self.assertTrue(cls.within_time_constraint(alarm))
# test hours outside
timeutils.set_time_override(datetime.datetime(2014, 1, 5, 1, 31, 0))
self.assertFalse(cls.within_time_constraint(alarm))
timeutils.set_time_override(datetime.datetime(2014, 1, 5, 4, 31, 0))
self.assertFalse(cls.within_time_constraint(alarm))
timeutils.set_time_override(datetime.datetime(2014, 1, 5, 12, 31, 0))
self.assertFalse(cls.within_time_constraint(alarm))
def test_base_time_constraints_timezone(self):
alarm = mock.MagicMock()
alarm.time_constraints = [
{'name': 'test',
'description': 'test',
'start': '0 11 * * *', # daily at 11:00
'duration': 10800, # 3 hours
'timezone': 'Europe/Ljubljana'}
]
cls = evaluator.Evaluator
dt_eu = datetime.datetime(2014, 1, 1, 12, 0, 0,
tzinfo=pytz.timezone('Europe/Ljubljana'))
dt_us = datetime.datetime(2014, 1, 1, 12, 0, 0,
tzinfo=pytz.timezone('US/Eastern'))
timeutils.set_time_override(dt_eu.astimezone(pytz.UTC))
self.assertTrue(cls.within_time_constraint(alarm))
timeutils.set_time_override(dt_us.astimezone(pytz.UTC))
self.assertFalse(cls.within_time_constraint(alarm))
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