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#!/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.networking.iperf3.Iperf
import mock
import unittest
import os
import json
from yardstick.benchmark.scenarios.networking import iperf3
@mock.patch('yardstick.benchmark.scenarios.networking.iperf3.ssh')
class IperfTestCase(unittest.TestCase):
output_name_tcp = 'iperf3_sample_output.json'
output_name_udp = 'iperf3_sample_output_udp.json'
def setUp(self):
self.ctx = {
'host': '172.16.0.137',
'target': '172.16.0.138',
'user': 'cirros',
'key_filename': "mykey.key"
}
def test_iperf_successful_setup(self, mock_ssh):
p = iperf3.Iperf(self.ctx)
mock_ssh.SSH().execute.return_value = (0, '', '')
p.setup()
self.assertIsNotNone(p.target)
self.assertIsNotNone(p.host)
mock_ssh.SSH().execute.assert_called_with("iperf3 -s -D")
def test_iperf_unsuccessful_setup(self, mock_ssh):
p = iperf3.Iperf(self.ctx)
mock_ssh.SSH().execute.return_value = (1, '', 'FOOBAR')
self.assertRaises(RuntimeError, p.setup)
def test_iperf_successful_teardown(self, mock_ssh):
p = iperf3.Iperf(self.ctx)
mock_ssh.SSH().execute.return_value = (0, '', '')
p.host = mock_ssh.SSH()
p.target = mock_ssh.SSH()
p.teardown()
self.assertTrue(mock_ssh.SSH().close.called)
mock_ssh.SSH().execute.assert_called_with("pkill iperf3")
def test_iperf_successful_no_sla(self, mock_ssh):
p = iperf3.Iperf(self.ctx)
mock_ssh.SSH().execute.return_value = (0, '', '')
p.host = mock_ssh.SSH()
options = {}
args = {'options': options}
sample_output = self._read_sample_output(self.output_name_tcp)
mock_ssh.SSH().execute.return_value = (0, sample_output, '')
expected_result = json.loads(sample_output)
result = p.run(args)
self.assertEqual(result, expected_result)
def test_iperf_successful_sla(self, mock_ssh):
p = iperf3.Iperf(self.ctx)
mock_ssh.SSH().execute.return_value = (0, '', '')
p.host = mock_ssh.SSH()
options = {}
args = {
'options': options,
'sla': {'bytes_per_second': 15000000}
}
sample_output = self._read_sample_output(self.output_name_tcp)
mock_ssh.SSH().execute.return_value = (0, sample_output, '')
expected_result = json.loads(sample_output)
result = p.run(args)
self.assertEqual(result, expected_result)
def test_iperf_unsuccessful_sla(self, mock_ssh):
p = iperf3.Iperf(self.ctx)
mock_ssh.SSH().execute.return_value = (0, '', '')
p.host = mock_ssh.SSH()
options = {}
args = {
'options': options,
'sla': {'bytes_per_second': 25000000}
}
sample_output = self._read_sample_output(self.output_name_tcp)
mock_ssh.SSH().execute.return_value = (0, sample_output, '')
self.assertRaises(AssertionError, p.run, args)
def test_iperf_successful_sla_jitter(self, mock_ssh):
p = iperf3.Iperf(self.ctx)
mock_ssh.SSH().execute.return_value = (0, '', '')
p.host = mock_ssh.SSH()
options = {"udp":"udp","bandwidth":"20m"}
args = {
'options': options,
'sla': {'jitter': 10}
}
sample_output = self._read_sample_output(self.output_name_udp)
mock_ssh.SSH().execute.return_value = (0, sample_output, '')
expected_result = json.loads(sample_output)
result = p.run(args)
self.assertEqual(result, expected_result)
def test_iperf_unsuccessful_sla_jitter(self, mock_ssh):
p = iperf3.Iperf(self.ctx)
mock_ssh.SSH().execute.return_value = (0, '', '')
p.host = mock_ssh.SSH()
options = {"udp":"udp","bandwidth":"20m"}
args = {
'options': options,
'sla': {'jitter': 0.0001}
}
sample_output = self._read_sample_output(self.output_name_udp)
mock_ssh.SSH().execute.return_value = (0, sample_output, '')
self.assertRaises(AssertionError, p.run, args)
def test_iperf_unsuccessful_script_error(self, mock_ssh):
p = iperf3.Iperf(self.ctx)
mock_ssh.SSH().execute.return_value = (0, '', '')
p.host = mock_ssh.SSH()
options = {}
args = {'options': options}
mock_ssh.SSH().execute.return_value = (1, '', 'FOOBAR')
self.assertRaises(RuntimeError, p.run, args)
def _read_sample_output(self,filename):
curr_path = os.path.dirname(os.path.abspath(__file__))
output = os.path.join(curr_path, filename)
with open(output) as f:
sample_output = f.read()
return sample_output
def main():
unittest.main()
if __name__ == '__main__':
main()
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