add test for peer discovery and multi-hop routing

test/120_discovery_test.sh

@@ -0,0 +1,34 @@
+#! /bin/bash
+
+. ./config.sh
+
+C1=10.2.1.41
+C3=10.2.1.71
+
+launch_all() {
+    weave_on $HOST1 launch-router $1
+    weave_on $HOST2 launch-router $1 $HOST1
+    weave_on $HOST3 launch-router $1 $HOST2
+}
+
+start_suite "Peer discovery and multi-hop routing"
+
+launch_all
+
+start_container $HOST1 $C1/24 --name=c1
+start_container $HOST3 $C3/24 --name=c3
+
+assert_raises "exec_on $HOST1 c1 $PING $C3"
+stop_router_on $HOST2
+assert_raises "exec_on $HOST1 c1 $PING $C3"
+
+stop_router_on $HOST1
+stop_router_on $HOST3
+
+launch_all --no-discovery
+
+assert_raises "exec_on $HOST1 c1 $PING $C3"
+stop_router_on $HOST2
+assert_raises "exec_on $HOST1 c1 sh -c '! $PING $C3'"
+
+end_suite