arehbein has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/30430 )
Change subject: WIP: ns: Add test for SNS Size NSEI IE ......................................................................
WIP: ns: Add test for SNS Size NSEI IE
Related: OS#5208 Change-Id: I3584b7b048031c798cee9566c4cc8694bf6002ac --- M ns/NS_Tests.ttcn 1 file changed, 51 insertions(+), 0 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/30/30430/1
diff --git a/ns/NS_Tests.ttcn b/ns/NS_Tests.ttcn index 722f8ec..3ebdbf3 100644 --- a/ns/NS_Tests.ttcn +++ b/ns/NS_Tests.ttcn @@ -67,6 +67,9 @@ } } }; + NsIEI ns_iei_num_ipv4_ep := NS_IEI_NUM_IPv4_EP; + NsIEI ns_iei_num_ipv6_ep := NS_IEI_NUM_IPv6_EP; + NsIEI ns_iei_nsei := NS_IEI_NSEI; }
type component RAW_Test_CT extends RAW_NS_CT { @@ -559,6 +562,53 @@ /* 48.016 SNS test cases */
/* do a succesful SNS configuration */ +function f_send_expect(in integer NSCP_IDX, in template (omit) PDU_NS pdu, + in NsCause c) runs on RAW_Test_CT { + log("Expected cause: ", c); + NSCP[NSCP_IDX].send(pdu); + f_ns_exp(tr_SNS_SIZE_ACK(g_nsconfig.nsei, c), NSCP_IDX); +} + +function f_set_num_of_ip_endpoints(inout template (omit) PDU_NS base, AddressFamily af) runs on RAW_Test_CT { + const integer NUM_IP := 1; + if (af == AF_INET) { + base.pDU_SNS_Size.numberOfIP4_Endpoints := + {iEI := int2oct(enum2int(ns_iei_num_ipv4_ep), 1), + numberOfIP_Endpoints := int2oct(NUM_IP, 2)}; + } else { + base.pDU_SNS_Size.numberOfIP4_Endpoints := + {iEI := int2oct(enum2int(ns_iei_num_ipv6_ep), 1), + numberOfIP_Endpoints := int2oct(NUM_IP, 2)}; + } +} + +/* Send SNS Size PDUs with invalid IEs */ +testcase TC_sns_sgsn_sns_size_syntactically_wrong_NSEI() runs on RAW_Test_CT { + f_init_vty(); + f_init_ns_codec(mp_nsconfig); + const integer IDX := 0; + /* Assumption: No connections to other NSEs for SUT and testcomponent */ + const integer sgsn_ip4_endpoints := lengthof(mp_nsconfig.nsvc); + const integer ip4_endpoints := lengthof(mp_nsconfig.nsvc); + const integer num_of_nsvcs := sgsn_ip4_endpoints * ip4_endpoints; + /* Template that would be accepted, only missing the number of IP endpoints + * (since there are no ternary operators in TTCN-3...) */ + var template (omit) PDU_NS ts_base_SNS_SIZE_configured := + ts_SNS_SIZE(g_nsconfig.nsei, rst_flag := true, max_nsvcs := num_of_nsvcs, + num_v4 := omit, num_v6 := omit); + var NSVCConfiguration nsvc_cfg := g_nsconfig.nsvc[IDX]; + + f_set_num_of_ip_endpoints(ts_base_SNS_SIZE_configured, g_nsconfig.nsvc[0].provider.ip.address_family); + /* Syntactical error here: length of 1 (has to be >=2) */ + ts_base_SNS_SIZE_configured.pDU_SNS_Size.nSEI_NS := + {iEI := int2oct(enum2int(ns_iei_nsei), 1), ext := '0'B, lengthIndicator := {length1 := 1}, + nSEI := int2oct(g_nsconfig.nsei, 2)}; + const NsCause cause := NS_CAUSE_INVALID_ESSENTIAL_IE; + f_send_expect(IDX, ts_base_SNS_SIZE_configured, cause); + setverdict(pass); + f_clean_ns_codec(); +} + testcase TC_sns_bss_config_success() runs on RAW_Test_CT { f_init_vty(); f_init_ns_codec(mp_nsconfig); @@ -1098,6 +1148,7 @@ execute( TC_sns_sgsn_add_change_del() ); execute( TC_sns_sgsn_size_correct_port() ); execute( TC_sns_sgsn_size_after_success() ); + execute( TC_sns_sgsn_sns_size_syntactically_wrong_NSEI() ); } } }
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arehbein