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#!/usr/bin/env python

##############################################################################
# Copyright (c) 2015 Huawei Technologies Co.,Ltd and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################

# Unittest for yardstick.benchmark.scenarios.availability.monitor.monitor_command

import mock
import unittest

from yardstick.benchmark.scenarios.availability.monitor import basemonitor


@mock.patch('yardstick.benchmark.scenarios.availability.monitor.basemonitor.BaseMonitor')
class MonitorMgrTestCase(unittest.TestCase):

    def setUp(self):
        config = {
            'monitor_type': 'openstack-api',
        }

        self.monitor_configs = []
        self.monitor_configs.append(config)

    def test__MonitorMgr_setup_successful(self, mock_monitor):
        instance = basemonitor.MonitorMgr()
        instance.init_monitors(self.monitor_configs, None)
        instance.start_monitors()
        instance.wait_monitors()

        ret = instance.verify_SLA()

class BaseMonitorTestCase(unittest.TestCase):

    class MonitorSimple(basemonitor.BaseMonitor):
        __monitor_type__ = "MonitorForTest"
        def setup(self):
            self.monitor_result = False

        def monitor_func(self):
            return self.monitor_result

    def setUp(self):
        self.monitor_cfg = {
            'monitor_type': 'MonitorForTest',
            'command_name': 'nova image-list',
            'monitor_time': 0.01,
            'sla': {'max_outage_time': 5}
        }

    def test__basemonitor_start_wait_successful(self):
        ins = basemonitor.BaseMonitor(self.monitor_cfg, None)
        ins.start_monitor()
        ins.wait_monitor()


    def test__basemonitor_all_successful(self):
        ins = self.MonitorSimple(self.monitor_cfg, None)
        ins.setup()
        ins.run()
        ins.verify_SLA()

    @mock.patch('yardstick.benchmark.scenarios.availability.monitor.basemonitor.multiprocessing')
    def test__basemonitor_func_false(self, mock_multiprocess):
        ins = self.MonitorSimple(self.monitor_cfg, None)
        ins.setup()
        mock_multiprocess.Event().is_set.return_value = False
        ins.run()
        ins.verify_SLA()

    def test__basemonitor_getmonitorcls_successfule(self):
        cls = None
        try:
            cls = basemonitor.BaseMonitor.get_monitor_cls(self.monitor_cfg)
        except Exception:
            pass
        self.assertIsNone(cls)