ttcn3
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osmo-ttcn3-hacks
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hnbgw: test both with and without PFCP [WIP] 

The "without_pfcp" test still depends on restarting osmo-hnbgw with a
modified .cfg.

Related: I39b9632f8524a9f3455c1a2d7611bfe8ba07c2fd
Related: SYS#6093
Change-Id: I511e758807e0512c18f3f9e0a8c4699b9a3f5992
This commit is contained in:
Neels Hofmeyr 2022-08-29 16:24:12 +02:00
parent 8539312f8f
commit f28851ff32
1 changed files with 72 additions and 4 deletions
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76
hnbgw/HNBGW_Tests.ttcn
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@ -97,6 +97,8 @@ modulepar {
rctx := 2
};
boolean mp_enable_pfcp_tests := false;
/* IP address at which we listen for PFCP to emulate a UPF in ttcn3 */
charstring mp_pfcp_ip_local := "127.0.0.1";
@ -1240,7 +1242,7 @@ template GtpParameters t_GtpParameters := {
}
}
friend function f_tc_ps_rab_assignment(charstring id, TestHdlrParams pars) runs on ConnHdlr {
friend function f_tc_ps_rab_assignment_with_pfcp(charstring id, TestHdlrParams pars) runs on ConnHdlr {
var RANAP_PDU tx;
var RANAP_PDU rx;
timer T := 5.0;
@ -1329,13 +1331,75 @@ friend function f_tc_ps_rab_assignment(charstring id, TestHdlrParams pars) runs
f_sleep(2.0);
}
testcase TC_ps_rab_assignment() runs on test_CT {
testcase TC_ps_rab_assignment_with_pfcp() runs on test_CT {
var ConnHdlr vc_conn;
f_init();
f_start_hnbs();
f_sleep(1.0);
vc_conn := f_start_handler_with_pars(refers(f_tc_ps_rab_assignment), t_pars(7, ps_domain := true));
vc_conn := f_start_handler_with_pars(refers(f_tc_ps_rab_assignment_with_pfcp), t_pars(7, ps_domain := true));
vc_conn.done;
}
altstep as_disallow_pfcp() runs on ConnHdlr {
[] PFCP.receive(PDU_PFCP:?) {
setverdict(fail, "Received PFCP message, but no PFCP communication expected");
mtc.stop;
}
}
friend function f_tc_ps_rab_assignment_without_pfcp(charstring id, TestHdlrParams pars) runs on ConnHdlr {
var RANAP_PDU tx;
var RANAP_PDU rx;
timer T := 5.0;
f_init_handler(pars);
f_pfcp_register();
activate(as_disallow_pfcp());
tx := f_build_initial_ue(g_pars);
f_iuh2iu_connect(tx);
var GtpParameters gtp_pars := valueof(t_GtpParameters);
var template RAB_SetupOrModifyList rab_sml;
/* Send RAB Assignment Request */
rab_sml := ts_RAB_SML_ps(t_RAB_id(23), f_ts_RAB_TLA(gtp_pars.core.remote.addr), gtp_pars.core.remote.teid);
tx := valueof(ts_RANAP_RabAssReq(rab_sml));
BSSAP.send(tx);
/* Expect on Iuh: unmodified RAB Assignment Request */
rx := valueof(ts_RANAP_RabAssReq(rab_sml));
RUA.receive(rx);
/* Send back RAB Assignment Response via Iuh */
var template RAB_SetupOrModifiedList rab_smdl;
rab_smdl := ts_RAB_SMdL_ps(t_RAB_id(23), f_ts_RAB_TLA(gtp_pars.access.remote.addr),
gtp_pars.access.remote.teid);
tx := valueof(ts_RANAP_RabAssResp(rab_smdl));
RUA.send(tx);
/* Expect on IuPS: unmodified RAB Assignment Response */
BSSAP.receive(tr_RANAP_RabAssResp(rab_smdl));
f_sleep(2.0);
tx := valueof(ts_RANAP_IuReleaseCommand(ts_RanapCause_om_intervention));
f_iu2iuh(tx);
tx := valueof(ts_RANAP_IuReleaseComplete());
f_iuh2iu(tx);
f_sleep(2.0);
}
testcase TC_ps_rab_assignment_without_pfcp() runs on test_CT {
var ConnHdlr vc_conn;
f_init();
f_start_hnbs();
f_sleep(1.0);
vc_conn := f_start_handler_with_pars(refers(f_tc_ps_rab_assignment_without_pfcp), t_pars(7, ps_domain := true));
vc_conn.done;
}
@ -1354,7 +1418,11 @@ control {
execute(TC_rab_assign_mgcp_to());
execute(TC_ranap_cs_mo_disconnect());
execute(TC_ranap_ps_mo_disconnect());
execute(TC_ps_rab_assignment());
if (mp_enable_pfcp_tests) {
execute(TC_ps_rab_assignment_with_pfcp());
} else {
execute(TC_ps_rab_assignment_without_pfcp());
}
}
}