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ggsn: Introduce test TC_pdp46_act_deact_apn4 

Related osmo-ggsn.git libgtp fix: I6c6215a4ce478afabc78ffaf5ffb0cf829e41226

Related: OS#4154
Change-Id: Ia1893e0c181307ac1ceb07ee5f496507f7a603c8
This commit is contained in:
Pau Espin 2019-08-21 16:16:58 +02:00
parent b7f01781d9
commit 22d597ff94
2 changed files with 26 additions and 2 deletions
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27
ggsn_tests/GGSN_Tests.ttcn
View File

@ -247,7 +247,7 @@ module GGSN_Tests {
}
/* send a PDP context activation */
function f_pdp_ctx_act(inout PdpContext ctx) runs on GT_CT {
function f_pdp_ctx_act(inout PdpContext ctx, OCT1 exp_cause := '80'O) runs on GT_CT {
var Gtp1cUnitdata ud;
var default d;
@ -260,7 +260,7 @@ module GGSN_Tests {
alt {
[] GTPC.receive(tr_GTPC_MsgType(g_peer_c, createPDPContextResponse, ctx.teic)) -> value ud {
var CreatePDPContextResponse cpr := ud.gtpc.gtpc_pdu.createPDPContextResponse;
if (cpr.cause.causevalue == '80'O) {
if (exp_cause == '80'O and exp_cause == cpr.cause.causevalue) {
/* Check if EUA type corresponds to requested type */
if (match(ctx.eua, t_EuaIPv4(?)) and
not match(cpr.endUserAddress, tr_EuaIPv4(?))){
@ -292,6 +292,12 @@ module GGSN_Tests {
ctx.eua := cpr.endUserAddress;
ctx.pco_neg := cpr.protConfigOptions;
setverdict(pass);
} else if (exp_cause != '80'O and exp_cause == cpr.cause.causevalue) {
if (ispresent(cpr.endUserAddress)) {
log("EUA received on createPDPContextResponse cause=" & oct2str(cpr.cause.causevalue));
setverdict(fail);
}
setverdict(pass);
} else {
setverdict(fail);
}
@ -1287,6 +1293,22 @@ module GGSN_Tests {
f_pdp_ctx_del(ctxA, '1'B);
}
/* Test IPv4v6 context activation for dynamic IPv4v6 EUA on a v4-only APN */
testcase TC_pdp46_act_deact_apn4() runs on GT_CT {
f_init();
/* A typical MS first attempts v4v6, and if rejected, then tries v4 and v6 separetly */
var PdpContext ctx46 := valueof(t_DefinePDP(f_rnd_imsi('26242'H), '1234'O, c_ApnInternet, valueof(t_EuaIPv4Dynv6Dyn)));
f_pdp_ctx_act(ctx46, 'DC'O); /* Cause: Unknown PDP address or PDP type */
var PdpContext ctx4 := valueof(t_DefinePDP(f_rnd_imsi('26242'H), '1234'O, c_ApnInternet, valueof(t_EuaIPv4Dyn)));
f_pdp_ctx_act(ctx4, '80'O); /* Normal accept cause */
var PdpContext ctx6 := valueof(t_DefinePDP(f_rnd_imsi('26242'H), '1234'O, c_ApnInternet, valueof(t_EuaIPv6Dyn)));
f_pdp_ctx_act(ctx6, 'DC'O); /* Cause: Unknown PDP address or PDP type */
f_pdp_ctx_del(ctx4, '1'B);
}
/* Send a duplicate echo req. osmo-ggsn maintains a queue for sent
responses (60 seconds): If same delete req is sent and duplicate is
detected, saved duplicate response should be sent back. */
@ -1332,6 +1354,7 @@ module GGSN_Tests {
execute(TC_pdp46_act_deact_pcodns6());
execute(TC_pdp46_act_deact_gtpu_access());
execute(TC_pdp46_clients_interact());
execute(TC_pdp46_act_deact_apn4());
execute(TC_echo_req_resp());
execute(TC_act_deact_retrans_duplicate());

1
ggsn_tests/expected-results.xml
View File

@ -21,6 +21,7 @@
<testcase classname='GGSN_Tests' name='TC_pdp46_act_deact_pcodns6' time='MASKED'/>
<testcase classname='GGSN_Tests' name='TC_pdp46_act_deact_gtpu_access' time='MASKED'/>
<testcase classname='GGSN_Tests' name='TC_pdp46_clients_interact' time='MASKED'/>
<testcase classname='GGSN_Tests' name='TC_pdp46_act_deact_apn4' time='MASKED'/>
<testcase classname='GGSN_Tests' name='TC_echo_req_resp' time='MASKED'/>
<testcase classname='GGSN_Tests' name='TC_act_deact_retrans_duplicate' time='MASKED'/>
</testsuite>