s1gw: TC_setup: Validate some metrics

Change-Id: Iae629bc9291ff8b6e482f61d692e4d97ff0136bd
---
M s1gw/S1GW_Tests.ttcn
1 file changed, 28 insertions(+), 1 deletion(-)


git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/60/37960/1

diff --git a/s1gw/S1GW_Tests.ttcn b/s1gw/S1GW_Tests.ttcn
index 67c4267..e8dfe2b 100644
--- a/s1gw/S1GW_Tests.ttcn
+++ b/s1gw/S1GW_Tests.ttcn
@@ -140,11 +140,25 @@
 	f_ConnHdlr_register_pfcp();
 	f_ConnHdlr_s1ap_register(g_pars.genb_id);
 
+	/* Expected values relative to snapshot: */
+	var StatsDExpects statsd_exp := {
+		{name := mp_statsd_prefix & "gauge.s1ap.enb.num_sctp_connections.value", mtype := "g", min := 1, max := 1},
+		{name := mp_statsd_prefix & "ctr.s1ap.proxy.in_pkt.unmodified.value", mtype := "c", min := 2, max := 2}
+	}
+	var StatsDMetrics statsd_snapshot := f_statsd_snapshot(f_statsd_keys_from_expect(statsd_exp));
+
 	f_ConnHdlr_s1ap_connect(mp_enb_bind_ip, mp_s1gw_enb_ip);
 	f_ConnHdlr_s1ap_setup(g_pars.genb_id);
 	f_sleep(0.5); /* keep the connection idle for some time */
+
+	f_statsd_expect_from_snapshot(statsd_exp, wait_converge := true, snapshot := statsd_snapshot);
+
 	f_ConnHdlr_s1ap_disconnect();
 
+	/* Validate gauge decreases when we disconnect: */
+	f_statsd_expect({{name := mp_statsd_prefix & "gauge.s1ap.enb.num_sctp_connections.value", mtype := "g", min := 0, max := 0}},
+			wait_converge := true);
+
 	f_ConnHdlr_s1ap_unregister(g_pars.genb_id);
 }
 testcase TC_setup() runs on test_CT {
@@ -156,6 +170,19 @@
 	vc_conn := f_ConnHdlr_spawn(refers(f_TC_setup), pars);
 	vc_conn.done;
 }
+
+function f_TC_setup_multi(charstring id) runs on ConnHdlr {
+	f_ConnHdlr_register_pfcp();
+	f_ConnHdlr_s1ap_register(g_pars.genb_id);
+
+	f_ConnHdlr_s1ap_connect(mp_enb_bind_ip, mp_s1gw_enb_ip);
+	f_ConnHdlr_s1ap_setup(g_pars.genb_id);
+	f_sleep(0.5); /* keep the connection idle for some time */
+
+	f_ConnHdlr_s1ap_disconnect();
+
+	f_ConnHdlr_s1ap_unregister(g_pars.genb_id);
+}
 testcase TC_setup_multi() runs on test_CT {
 	var ConnHdlrList vc_conns := { };
 
@@ -163,7 +190,7 @@
 
 	for (var integer i := 0; i < 42; i := i + 1) {
 		var ConnHdlrPars pars := f_new_ConnHdlrPars(i);
-		var ConnHdlr vc_conn := f_ConnHdlr_spawn(refers(f_TC_setup), pars);
+		var ConnHdlr vc_conn := f_ConnHdlr_spawn(refers(f_TC_setup_multi), pars);
 		vc_conns := vc_conns & { vc_conn };
 	}
 

