[WIP] BSC_Tests: add TC_assignment_crcx_nack

Change-Id: I3cfa86c9a338f5c2b8ab6ff824e546dc1642d448
Related: OS#5572
fixeria/OS5572
Vadim Yanitskiy 3 months ago
parent 87ebd0bd16
commit 59f292dbb3
  1. 51
      bsc/BSC_Tests.ttcn

@ -617,6 +617,8 @@ type component test_CT extends CTRL_Adapter_CT {
port IPA_CFG_PT IPA_CFG_PORT[NUM_BTS][NUM_TRX];
var MGCP_Emulation_CT vc_MGCP;
port MGCP_CODEC_PT MGCP;
port TELNETasp_PT BSCVTY;
/* StatsD */
@ -11576,6 +11578,55 @@ testcase TC_ratectr_all_available_allocated_dyn() runs on test_CT {
f_shutdown_helper();
}
testcase TC_assignment_crcx_nack() runs on test_CT {
f_init(1);
/* HACK: we don't want to employ MGCP_Emulation here because:
* a) there is no way to talk to it from component test_CT;
* b) it does not allow us to send ts_MgcpResp_Err (fails). */
vc_MGCP.stop;
map(self:MGCP, system:MGCP);
var Result res := MGCP_CodecPort_CtrlFunct.f_IPL4_connect(MGCP, mp_bsc_ip, 2727,
mp_test_ip, 2427,
-1, { udp := { } });
if (not ispresent(res.connId)) {
setverdict(fail, "Could not connect MGCP socket, check your configuration");
mtc.stop;
}
/* Establish an SDCCH channel for signalling */
var DchanTuple dt := f_est_dchan('4C'O, 23, '00000000'O);
/* MSC sends an Assignment Request */
var PDU_BSSAP ass_cmd := f_gen_ass_req();
ass_cmd.pdu.bssmap.assignmentRequest.channelType := valueof(ts_BSSMAP_IE_ChannelType);
ass_cmd.pdu.bssmap.assignmentRequest.codecList := valueof(ts_BSSMAP_IE_CodecList({ts_CodecFR}));
BSSAP.send(ts_BSSAP_DATA_req(dt.sccp_conn_id, ass_cmd));
/* BSC activates a TCH channel */
var RSL_Message rsl_chan_act := f_exp_ipa_rx(tr_RSL_MsgTypeD(RSL_MT_CHAN_ACTIV));
f_ipa_tx(ts_RSL_CHAN_ACT_ACK(rsl_chan_act.ies[0].body.chan_nr, 23 + 10));
/* Send assignment complete over the new channel */
var PDU_ML3_MS_NW l3_tx := valueof(ts_RRM_AssignmentComplete('00'O));
f_ipa_tx(ts_RSL_EST_IND(rsl_chan_act.ies[0].body.chan_nr,
valueof(ts_RslLinkID_DCCH(0)),
enc_PDU_ML3_MS_NW(l3_tx)));
var MGCP_RecvFrom mrf;
MGCP.receive(MGCP_RecvFrom:?) -> value mrf;
var MgcpCommand mgcp_cmd := mrf.msg.command;
log("Rx MGCP command: ", mgcp_cmd);
/* Respond with an error (code=540), osmo-bsc is expected to crash here */
template MgcpResponse mgcp_resp := ts_MgcpResp_Err(mgcp_cmd.line.trans_id, "540");
MGCP.send(t_MGCP_Send(res.connId, MgcpMessage:{ response := mgcp_resp }));
f_perform_clear_test_ct(dt);
f_shutdown_helper();
}
control {
/* CTRL interface testing */
execute( TC_ctrl_msc_connection_status() );

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