tests: Tolerate different versions of tcpdump.

The tcpdump output format differs slightly from one version to another, so
this test that runs tcpdump would fail depending on the system it was run
on.  This commit fixes the problem by using "sed" to trim off the part of
the line that can differ.

Reported-by: Justin Pettit <jpettit@nicira.com>

diff --git a/tests/ofp-print.at b/tests/ofp-print.at
index b20bdc9a4378739f1bbc368e1972a60540354d5c..5b3c849da54f416062671d8ed78653be416fd666 100644 (file)
--- a/tests/ofp-print.at
+++ b/tests/ofp-print.at
@@ -224,10 +224,13 @@ AT_CHECK([ovs-ofctl ofp-print "\
 45 00 00 28 bd 12 00 00 40 06 3c 6a c0 a8 00 01 \
 c0 a8 00 02 27 2f 00 00 78 50 cc 5b 57 af 42 1e \
 50 00 02 00 26 e8 00 00 00 00 00 00 00 00 \
-"], [0], [dnl
+"], [0], [stdout])
+dnl The tcpdump output format differs slightly from one version to another,
+dnl so trim off the end of the line where differences appear.
+AT_CHECK([sed 's/\(length 60:\).*/\1 .../' stdout], [0], [dnl
 OFPT_PACKET_IN (xid=0x0): total_len=60 in_port=3 data_len=60 buffer=0x00000111
 tunnel0:in_port0003:tci(0) mac50:54:00:00:00:05->50:54:00:00:00:06 type0800 proto6 tos0 ip192.168.0.1->192.168.0.2 port10031->0
--8:00:00.000000 50:54:00:00:00:05 > 50:54:00:00:00:06, ethertype IPv4 (0x0800), length 60: 192.168.0.1.10031 > 192.168.0.2.0: . win 512
+-8:00:00.000000 50:54:00:00:00:05 > 50:54:00:00:00:06, ethertype IPv4 (0x0800), length 60: ...
 ])
 AT_CLEANUP