46 lines
1.7 KiB
Python
Executable File
46 lines
1.7 KiB
Python
Executable File
#!/usr/bin/env python
|
|
|
|
"""
|
|
Test for intfOptions.py
|
|
"""
|
|
|
|
import unittest
|
|
import pexpect
|
|
import sys
|
|
|
|
class testIntfOptions( unittest.TestCase ):
|
|
|
|
def testIntfOptions( self ):
|
|
"verify that intf.config is correctly limiting traffic"
|
|
p = pexpect.spawn( 'python -m mininet.examples.intfOptions ' )
|
|
tolerance = .8
|
|
opts = [ "Results: \['([\d\.]+) .bits/sec",
|
|
"(\d+) packets transmitted, (\d+) received, (\d+)% packet loss, time (\d+)ms",
|
|
"h(\d+)->h(\d+): (\d)/(\d), rtt min/avg/max/mdev ([\d\.]+)/([\d\.]+)/([\d\.]+)/([\d\.]+) ms",
|
|
pexpect.EOF ]
|
|
while True:
|
|
index = p.expect( opts, timeout=600 )
|
|
if index == 0:
|
|
bw = float( p.match.group( 1 ) )
|
|
self.assertGreaterEqual( bw, float( 5 * tolerance ) )
|
|
self.assertLessEqual( bw, float( 5 + 5 * ( 1 - tolerance ) ) )
|
|
elif index == 1:
|
|
loss = int( p.match.group( 3 ) )
|
|
msg = ( "testing packet loss at 50%\n",
|
|
"this test will sometimes fail\n",
|
|
"ran 20 pings accross network\n",
|
|
"packet loss is %d%%\n\n"
|
|
% loss )
|
|
self.assertGreaterEqual( loss, 50 * .8, msg )
|
|
self.assertLessEqual( loss, 50 + 50 * ( 1 - tolerance ), msg )
|
|
elif index == 2:
|
|
delay = float( p.match.group( 6 ) )
|
|
self.assertGreaterEqual( delay, 15 * .8 )
|
|
self.assertLessEqual( delay, 15 + 15 * ( 1 - tolerance ) )
|
|
else:
|
|
break
|
|
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main()
|