laforge has submitted this change and it was merged. ( 
https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/14402 )

Change subject: hlr: add Check IMEI tests
......................................................................

hlr: add Check IMEI tests

Create tests for most code paths of rx_check_imei_req() in hlr.c (except
for subscriber create on demand, this will be in an upcoming patch).

Add missing message types to GSUP_Types.ttcn, and adjust the IMEI and
IMEI_Result IEs for consistency with the existing IEs, and to make the
tests compile.

Related: OS#2541
Change-Id: I97c8462f0817149feadd0c4865e3df6c2af92a80
---
M hlr/HLR_Tests.ttcn
M library/GSUP_Types.ttcn
2 files changed, 139 insertions(+), 6 deletions(-)

Approvals:
  laforge: Looks good to me, approved
  fixeria: Looks good to me, but someone else must approve
  Jenkins Builder: Verified



diff --git a/hlr/HLR_Tests.ttcn b/hlr/HLR_Tests.ttcn
index e58515b..4c158fd 100644
--- a/hlr/HLR_Tests.ttcn
+++ b/hlr/HLR_Tests.ttcn
@@ -574,6 +574,47 @@
        return ret;
 }

+function f_perform_CHECK_IMEI(hexstring imsi, hexstring imei,
+                             template (omit) integer exp_err_cause := omit,
+                             template (omit) GSUP_IMEIResult result := omit)
+runs on HLR_ConnHdlr {
+       var GSUP_PDU pdu;
+       timer T := 3.0;
+       var boolean exp_fail := false;
+       if (not istemplatekind(exp_err_cause, "omit")) {
+               exp_fail := true;
+       }
+
+       GSUP.send(valueof(ts_GSUP_CHECK_IMEI_REQ(imsi, imei)));
+       T.start;
+       alt {
+       [exp_fail] GSUP.receive(tr_GSUP_CHECK_IMEI_ERR(imsi, exp_err_cause)) -> 
value pdu {
+               setverdict(pass);
+               }
+       [exp_fail] GSUP.receive(tr_GSUP_CHECK_IMEI_ERR(imsi, ?)) -> value pdu {
+               setverdict(fail, "Unexpected CHECK IMEI ERROR Cause: ", pdu);
+               }
+       [exp_fail] GSUP.receive(tr_GSUP_CHECK_IMEI_RES(imsi, ?)) -> value pdu {
+               setverdict(fail, "Unexpected CHECK IMEI RES instead of ERR");
+               }
+       [not exp_fail] GSUP.receive(tr_GSUP_CHECK_IMEI_ERR(imsi, ?)) -> value 
pdu {
+               setverdict(fail, "Unexpected CHECK IMEI ERROR");
+               }
+       [not exp_fail] GSUP.receive(tr_GSUP_CHECK_IMEI_RES(imsi, result)) -> 
value pdu {
+               setverdict(pass);
+               }
+       [not exp_fail] GSUP.receive(tr_GSUP_CHECK_IMEI_RES(imsi, ?)) -> value 
pdu {
+               setverdict(fail, "Unexpected CHECK IMEI RES");
+               }
+       [] GSUP.receive { repeat; }
+       [] T.timeout {
+               setverdict(fail, "Timeout waiting for CHECK IMEI response");
+               mtc.stop;
+               }
+       }
+}
+
+


 /***********************************************************************
@@ -1090,6 +1131,71 @@
    * timeout cases
  */

+
+/* Test Check IMEI */
+private function f_TC_gsup_check_imei() runs on HLR_ConnHdlr {
+       /* store-imei disabled */
+       f_vty_config(VTY, "hlr", "no store-imei");
+       f_perform_CHECK_IMEI(g_pars.sub.imsi, '12345678901234'H, result := 
OSMO_GSUP_IMEI_RESULT_ACK);
+       f_vty_subscr_show_nomatch(VTY, g_pars.sub, pattern "*IMEI: 
*12345678901234*");
+
+       /* store-imei enabled */
+       f_vty_config(VTY, "hlr", "store-imei");
+       f_perform_CHECK_IMEI(g_pars.sub.imsi, '12345678901234'H, result := 
OSMO_GSUP_IMEI_RESULT_ACK);
+       f_vty_subscr_show(VTY, g_pars.sub, pattern "*IMEI: *12345678901234*");
+}
+testcase TC_gsup_check_imei() runs on test_CT {
+       var HlrSubscriberList sl;
+
+       f_init(false);
+       sl := f_gen_subs();
+       f_start_handler_per_sub(refers(f_TC_gsup_check_imei), sl);
+
+       setverdict(pass);
+}
+
+/* Test Check IMEI with invalid IMEI length */
+private function f_TC_gsup_check_imei_invalid_len() runs on HLR_ConnHdlr {
+       /* IMEI too long */
+       f_perform_CHECK_IMEI(g_pars.sub.imsi, '111456789012345F'H, 96 /* 
Invalid Mandatory Information */);
+       f_perform_CHECK_IMEI(g_pars.sub.imsi, '2224567890123456'H, 96 /* 
Invalid Mandatory Information */);
+
+       /* IMEI too short */
+       f_perform_CHECK_IMEI(g_pars.sub.imsi, '3334567890123F'H, 96 /* Invalid 
Mandatory Information */);
+       f_perform_CHECK_IMEI(g_pars.sub.imsi, '444456789012'H, 96 /* Invalid 
Mandatory Information */);
+       f_perform_CHECK_IMEI(g_pars.sub.imsi, ''H, 96 /* Invalid Mandatory 
Information */);
+}
+testcase TC_gsup_check_imei_invalid_len() runs on test_CT {
+       var HlrSubscriberList sl;
+
+       f_init(false);
+       sl := f_gen_subs();
+       f_start_handler_per_sub(refers(f_TC_gsup_check_imei_invalid_len), sl);
+
+       setverdict(pass);
+}
+
+/* Test Check IMEI with unknown IMSI */
+private function f_TC_gsup_check_imei_unknown_imsi() runs on HLR_ConnHdlr {
+       f_vty_config(VTY, "hlr", "no store-imei");
+       f_perform_CHECK_IMEI(g_pars.sub.imsi, '22245678901234'H, 96 /* Invalid 
Mandatory Information */);
+
+       /* Check again with store-imei set (different code path) */
+       f_vty_config(VTY, "hlr", "store-imei");
+       f_perform_CHECK_IMEI(g_pars.sub.imsi, '22245678901234'H, 96 /* Invalid 
Mandatory Information */);
+
+       setverdict(pass);
+}
+testcase TC_gsup_check_imei_unknown_imsi() runs on test_CT {
+       var hexstring imsi := f_rnd_imsi('26242'H);
+       var HLR_ConnHdlrPars pars := valueof(t_Pars(imsi));
+       var HLR_ConnHdlr vc_conn;
+
+       f_init(false);
+       vc_conn := f_start_handler(refers(f_TC_gsup_check_imei_unknown_imsi), 
pars);
+       vc_conn.done;
+}
+
 /* TODO:
   * UL with ISD error
   * UL with ISD timeout
@@ -1126,6 +1232,10 @@

        /* "Structured" Supplementary Services */
        execute( TC_mo_sss_reject() );
+
+       execute( TC_gsup_check_imei() );
+       execute( TC_gsup_check_imei_invalid_len() );
+       execute( TC_gsup_check_imei_unknown_imsi() );
 };

 };
diff --git a/library/GSUP_Types.ttcn b/library/GSUP_Types.ttcn
index 10cf1b8..8081347 100644
--- a/library/GSUP_Types.ttcn
+++ b/library/GSUP_Types.ttcn
@@ -419,6 +419,17 @@
        ies := ies
 }

+template (value) GSUP_IMEI ts_GSUP_IMEI(hexstring digits) := {
+       len := 0, /* overwritten */
+       digits := digits
+}
+
+template GSUP_IMEI tr_GSUP_IMEI(template hexstring digits) := {
+       len := ?,
+       digits := digits
+}
+
+
 template (value) GSUP_PDU ts_GSUP_SAI_REQ(hexstring imsi) :=
        ts_GSUP(OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST, { 
valueof(ts_GSUP_IE_IMSI(imsi)) });
 
@@ -523,6 +534,18 @@
        tr_GSUP(OSMO_GSUP_MSGT_PURGE_MS_ERROR, {
                tr_GSUP_IE_IMSI(imsi), tr_GSUP_IE_Cause(cause) });

+template (value) GSUP_PDU ts_GSUP_CHECK_IMEI_REQ(hexstring imsi, hexstring 
imei) :=
+       ts_GSUP(OSMO_GSUP_MSGT_CHECK_IMEI_REQUEST, {
+                       valueof(ts_GSUP_IE_IMSI(imsi)), 
valueof(ts_GSUP_IE_IMEI(imei)) });
+
+template GSUP_PDU tr_GSUP_CHECK_IMEI_RES(template hexstring imsi, template 
GSUP_IMEIResult result) :=
+       tr_GSUP(OSMO_GSUP_MSGT_CHECK_IMEI_RESULT, {
+               tr_GSUP_IE_IMSI(imsi), tr_GSUP_IE_IMEI_Result(result) });
+
+template GSUP_PDU tr_GSUP_CHECK_IMEI_ERR(template hexstring imsi, template 
integer cause) :=
+       tr_GSUP(OSMO_GSUP_MSGT_CHECK_IMEI_ERROR, {
+               tr_GSUP_IE_IMSI(imsi), tr_GSUP_IE_Cause(cause) });
+

 template (value) GSUP_IE ts_GSUP_IE_CancelType(GSUP_CancelType ctype) := {
        tag := OSMO_GSUP_CANCEL_TYPE_IE,
@@ -764,29 +787,29 @@
        }
 }

-template (value) GSUP_IE ts_GSUP_IE_IMEI_IE(GSUP_IMEI imei) := {
+template (value) GSUP_IE ts_GSUP_IE_IMEI(hexstring imei) := {
        tag := OSMO_GSUP_IMEI_IE,
        len := 0, /* overwritten */
        val := {
-               imei := imei
+               imei := ts_GSUP_IMEI(imei)
        }
 }
-template GSUP_IE tr_GSUP_IE_IMEI_IE(template GSUP_IMEI imei) := {
+template GSUP_IE tr_GSUP_IE_IMEI(template hexstring imei) := {
        tag := OSMO_GSUP_IMEI_IE,
        len := ?,
        val := {
-               imei := imei
+               imei := tr_GSUP_IMEI(imei)
        }
 }

-template (value) GSUP_IE ts_GSUP_IE_IMEI_RESULT_IE(GSUP_IMEIResult result) := {
+template (value) GSUP_IE ts_GSUP_IE_IMEI_Result(GSUP_IMEIResult result) := {
        tag := OSMO_GSUP_IMEI_RESULT_IE,
        len := 0, /* overwritten */
        val := {
                imei_result := result
        }
 }
-template GSUP_IE tr_GSUP_IE_IMEI_RESULT_IE(template GSUP_IMEIResult result) := 
{
+template GSUP_IE tr_GSUP_IE_IMEI_Result(template GSUP_IMEIResult result) := {
        tag := OSMO_GSUP_IMEI_RESULT_IE,
        len := ?,
        val := {

--
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Gerrit-Project: osmo-ttcn3-hacks
Gerrit-Branch: master
Gerrit-Change-Id: I97c8462f0817149feadd0c4865e3df6c2af92a80
Gerrit-Change-Number: 14402
Gerrit-PatchSet: 5
Gerrit-Owner: osmith <[email protected]>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: fixeria <[email protected]>
Gerrit-Reviewer: laforge <[email protected]>
Gerrit-Reviewer: osmith <[email protected]>
Gerrit-Reviewer: pespin <[email protected]>
Gerrit-MessageType: merged

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