lib: lutil - make it easier to spot command output and null output

Signed-off-by: Lou Berger <lberger@labn.net>

diff --git a/tests/topotests/lib/lutil.py b/tests/topotests/lib/lutil.py
index 5fbd7cd895900aef781f85e074bfa90cc5e4d42e..8ecaf98d89476cc1ce5aded759d1aa8b1e1ad49d 100755 (executable)
--- a/tests/topotests/lib/lutil.py
+++ b/tests/topotests/lib/lutil.py
@@ -176,7 +176,11 @@ Total %-4d                                                           %-4d %d\n\
             return False
         #self.log("Running %s %s" % (target, command))
         out = self.net[target].cmd(command).rstrip()
-        self.log('out:%s:' % out)
+        if len(out) == 0:
+            report = "<no output>"
+        else:
+            report = out
+        self.log('COMMAND OUTPUT:%s:' % report)
         out = " ".join(out.splitlines())
         search = re.search(regexp, out)
         self.l_last = search