mininet/examples/test/test_intfoptions.py

   1 #!/usr/bin/env python
   2
   3 """
   4 Test for intfOptions.py
   5 """
   6
   7 import unittest
   8 from mininet.util import pexpect
   9 import sys
  10
  11 class testIntfOptions( unittest.TestCase ):
  12
  13     def testIntfOptions( self ):
  14         "verify that intf.config is correctly limiting traffic"
  15         p = pexpect.spawn( 'python -m mininet.examples.intfoptions ' )
  16         tolerance = .2  # plus or minus 20%
  17         opts = [ "Results: \['([\d\.]+) .bits/sec",
  18                  "Results: \['10M', '([\d\.]+) .bits/sec",
  19                  "h(\d+)->h(\d+): (\d)/(\d),"
  20                  "rtt min/avg/max/mdev ([\d\.]+)/([\d\.]+)/([\d\.]+)/([\d\.]+) ms",
  21                  pexpect.EOF ]
  22         while True:
  23             index = p.expect( opts, timeout=600 )
  24             if index == 0:
  25                 BW = 5
  26                 bw = float( p.match.group( 1 ) )
  27                 self.assertGreaterEqual( bw, BW * ( 1 - tolerance ) )
  28                 self.assertLessEqual( bw, BW * ( 1 + tolerance ) )
  29             elif index == 1:
  30                 BW = 10
  31                 measuredBw = float( p.match.group( 1 ) )
  32                 loss = ( measuredBw / BW ) * 100
  33                 self.assertGreaterEqual( loss, 50 * ( 1 - tolerance ) )
  34                 self.assertLessEqual( loss,  50 * ( 1 + tolerance ) )
  35             elif index == 2:
  36                 delay = float( p.match.group( 6 ) )
  37                 self.assertGreaterEqual( delay, 15 * ( 1 - tolerance ) )
  38                 self.assertLessEqual( delay,  15 * ( 1 + tolerance ) )
  39             else:
  40                 break
  41
  42
  43 if __name__ == '__main__':
  44     unittest.main()