Add more information for test condition failure

2014-10-13 13:52:43 -07:00
parent 5eca0802d2
commit 501eb4f916
1 changed files with 5 additions and 2 deletions
@@ -34,8 +34,11 @@ class testLinearBandwidth( unittest.TestCase ):
                    bw *= 10 ** 9
                # check that we have a previous result to compare to
                if n != 1:
-                    self.assertTrue( bw < previous_bw )
-                previous_bw = bw
+                    info = ( 'bw: %d bits/s across %d switches, '
+                             'previous: %d bits/s across %d switches' %
+                             ( bw, n, previous_bw, previous_n ) )
+                    self.assertTrue( bw < previous_bw, info )
+                previous_bw, previous_n = bw, n
            else:
                break