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#!/usr/bin/env python
"""
Test for simpleperf.py
"""
import unittest
from mininet.util import pexpect
import sys
from mininet.log import setLogLevel
from mininet.examples.simpleperf import SingleSwitchTopo
class testSimplePerf( unittest.TestCase ):
@unittest.skipIf( '-quick' in sys.argv, 'long test' )
def testE2E( self ):
"Run the example and verify iperf results"
# 10 Mb/s, plus or minus 20% tolerance
BW = 10
TOLERANCE = .2
p = pexpect.spawn( 'python -m mininet.examples.simpleperf testmode' )
# check iperf results
p.expect( "Results: \['10M', '([\d\.]+) .bits/sec", timeout=480 )
measuredBw = float( p.match.group( 1 ) )
lowerBound = BW * ( 1 - TOLERANCE )
upperBound = BW + ( 1 + TOLERANCE )
self.assertGreaterEqual( measuredBw, lowerBound )
self.assertLessEqual( measuredBw, upperBound )
p.wait()
if __name__ == '__main__':
setLogLevel( 'warning' )
unittest.main()
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