#!/usr/bin/env python

##############################################################################
# Copyright (c) 2015 Ericsson AB 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.compute.lmbench.Lmbench

from __future__ import absolute_import
import mock
import unittest
import os

from yardstick.benchmark.scenarios.compute import cpuload


@mock.patch('yardstick.benchmark.scenarios.compute.cpuload.ssh')
class CPULoadTestCase(unittest.TestCase):

    def setUp(self):
        self.ctx = {
            'host': {
                'ip': '172.16.0.137',
                'user': 'cirros',
                'key_filename': "mykey.key"
            }
        }

        self.result = {}

    def test_setup_mpstat_installed(self, mock_ssh):
        options = {
            "interval": 1,
            "count": 1
        }

        args = {'options': options}

        l = cpuload.CPULoad(args, self.ctx)
        mock_ssh.SSH.from_node().execute.return_value = (0, '', '')

        l.setup()
        self.assertIsNotNone(l.client)
        self.assertTrue(l.setup_done)
        self.assertTrue(l.has_mpstat)

    def test_setup_mpstat_not_installed(self, mock_ssh):
        options = {
            "interval": 1,
            "count": 1
        }

        args = {'options': options}

        l = cpuload.CPULoad(args, self.ctx)
        mock_ssh.SSH.from_node().execute.return_value = (127, '', '')

        l.setup()
        self.assertIsNotNone(l.client)
        self.assertTrue(l.setup_done)
        self.assertFalse(l.has_mpstat)

    def test_execute_command_success(self, mock_ssh):
        options = {
            "interval": 1,
            "count": 1
        }

        args = {'options': options}

        l = cpuload.CPULoad(args, self.ctx)
        mock_ssh.SSH.from_node().execute.return_value = (0, '', '')
        l.setup()

        expected_result = 'abcdefg'
        mock_ssh.SSH.from_node().execute.return_value = (0, expected_result, '')
        result = l._execute_command("foo")
        self.assertEqual(result, expected_result)

    def test_execute_command_failed(self, mock_ssh):
        options = {
            "interval": 1,
            "count": 1
        }

        args = {'options': options}

        l = cpuload.CPULoad(args, self.ctx)
        mock_ssh.SSH.from_node().execute.return_value = (0, '', '')
        l.setup()

        mock_ssh.SSH.from_node().execute.return_value = (127, '', 'abcdefg'
OPNFV_Yardstick_NSB_PROX_Heat_vPE_4Port_Test

Prox vPE VNF stats

Prox vPE Traffic Gen stats
