Rewrite tolerance to be saner (plus or minus 20%)

This commit is contained in:
Bob Lantz
2016-01-22 13:52:15 -08:00
parent 04897513cd
commit 0fac568a19
+10 -8
View File
@@ -13,27 +13,29 @@ 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
tolerance = .2 # plus or minus 20%
opts = [ "Results: \['([\d\.]+) .bits/sec",
"Results: \['10M', '([\d\.]+) .bits/sec",
"h(\d+)->h(\d+): (\d)/(\d), rtt min/avg/max/mdev ([\d\.]+)/([\d\.]+)/([\d\.]+)/([\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 = 5
bw = float( p.match.group( 1 ) )
self.assertGreaterEqual( bw, float( 5 * tolerance ) )
self.assertLessEqual( bw, float( 5 + 5 * ( 1 - tolerance ) ) )
self.assertGreaterEqual( bw, BW * ( 1 - tolerance ) )
self.assertLessEqual( bw, BW * ( 1 + tolerance ) )
elif index == 1:
BW = 10
measuredBw = float( p.match.group( 1 ) )
loss = ( measuredBw / BW ) * 100
self.assertGreaterEqual( loss, 50 * tolerance )
self.assertLessEqual( loss, 50 + 50 * ( 1 - tolerance ) )
self.assertGreaterEqual( loss, 50 * ( 1 - tolerance ) )
self.assertLessEqual( loss, 50 * ( 1 + tolerance ) )
elif index == 2:
delay = float( p.match.group( 6 ) )
self.assertGreaterEqual( delay, 15 * tolerance )
self.assertLessEqual( delay, 15 + 15 * ( 1 - tolerance ) )
self.assertGreaterEqual( delay, 15 * ( 1 - tolerance ) )
self.assertLessEqual( delay, 15 * ( 1 + tolerance ) )
else:
break