From a0c7876d744180eac28e3f01ea04b1f960cc42d9 Mon Sep 17 00:00:00 2001
From: Niklas Eiling <niklas.eiling@eonerc.rwth-aachen.de>
Date: Wed, 8 Jul 2020 16:08:09 +0200
Subject: [PATCH] can: for integration test check if interface is up

---
 tests/integration/node-can.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tests/integration/node-can.sh b/tests/integration/node-can.sh
index dadb326ef..3a2de91cc 100755
--- a/tests/integration/node-can.sh
+++ b/tests/integration/node-can.sh
@@ -35,6 +35,11 @@ CAN_IF=vcan0
 NUM_SAMPLES=${NUM_SAMPLES:-10}
 NUM_VALUES=${NUM_VALUES:-3}
 
+# Check if vcan0 interface is present
+if [[ ! $(ip link show "${CAN_IF}" up) ]]; then
+    echo "Did not find any vcan interface ${CAN_IF} or interface is not up"
+    exit 99
+fi
 
 #sudo modprobe vcan
 #sudo ip link add dev vcan0 type vcan