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module SGSN_Tests_NS {
/* Osmocom SGSN test suite in TTCN-3
* (C) 2020 sysmocom - s.f.m.c. GmbH
* All rights reserved.
*
* Released under the terms of GNU General Public License, Version 2 or
* (at your option) any later version.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
import from Osmocom_Types all;
import from Osmocom_Gb_Types all;
import from Osmocom_VTY_Functions all;
import from NS_Types all;
import from RAW_NS all;
import from SGSN_Tests all;
type component RAW_Test_CT extends RAW_NS_CT, test_CT {
}
testcase TC_NS_connect_reset() runs on RAW_Test_CT {
f_init_vty();
f_init_ns_codec(mp_nsconfig[0], guard_secs := 10.0);
/* Send a NS-ALIVE */
f_outgoing_ns_reset();
f_sleep(1.0);
f_clean_ns_codec();
}
testcase TC_NS_connect_alive() runs on RAW_Test_CT {
f_init_vty();
f_init_ns_codec(mp_nsconfig[0], guard_secs := 10.0);
/* Send a NS-ALIVE */
NSCP[0].send(t_NS_ALIVE);
alt {
[] NSCP[0].receive(t_NS_ALIVE_ACK);
[] NSCP[0].receive(tr_NS_STATUS(*)) { setverdict(fail); }
[] NSCP[0].receive { repeat; }
}
f_sleep(1.0);
f_clean_ns_codec();
}
/* perform outgoing SNS-SIZE procedure */
testcase TC_SNS_size() runs on RAW_Test_CT {
f_init_vty();
f_init_ns_codec(mp_nsconfig[0], guard_secs := 10.0);
g_handle_rx_alive := true;
f_outgoing_sns_size();
setverdict(pass);
}
/* outgoing SNS-SIZE procedure with more BSS side IPs than SGSN can handle */
testcase TC_SNS_size_too_big() runs on RAW_Test_CT {
f_init_vty();
f_init_ns_codec(mp_nsconfig[0], guard_secs := 10.0);
g_handle_rx_alive := true;
f_outgoing_sns_size(cause := NS_CAUSE_INVALID_NR_OF_NSVCS, num_ip := 100);
setverdict(pass);
}
/* perform outgoing SNS-CONFIG procedure (for BSS) */
testcase TC_SNS_config_bss() runs on RAW_Test_CT {
f_init_vty();
f_init_ns_codec(mp_nsconfig[0], guard_secs := 10.0);
g_handle_rx_alive := true;
f_outgoing_sns_size();
f_outgoing_sns_config();
setverdict(pass);
}
/* perform incoming SNS-CONFIG procedure (for SGSN) */
testcase TC_SNS_config_sgsn() runs on RAW_Test_CT {
f_init_vty();
f_init_ns_codec(mp_nsconfig[0], guard_secs := 10.0);
g_handle_rx_alive := true;
f_outgoing_sns_size();
f_outgoing_sns_config();
f_incoming_sns_config();
setverdict(pass);
}
/* perform full SNS handshake and then outbound NS-ALIVE */
testcase TC_SNS_and_alive() runs on RAW_Test_CT {
f_init_vty();
f_init_ns_codec(mp_nsconfig[0], guard_secs := 120.0);
g_handle_rx_alive := true;
f_outgoing_sns_size();
f_outgoing_sns_config();
f_incoming_sns_config();
f_outgoing_ns_alive();
setverdict(pass);
}
control {
if (mp_nsconfig[0].handle_sns) {
execute( TC_SNS_size() );
execute( TC_SNS_size_too_big() );
execute( TC_SNS_config_bss() );
execute( TC_SNS_config_sgsn() );
execute( TC_SNS_and_alive() );
} else {
execute( TC_NS_connect_alive() );
execute( TC_NS_connect_reset() );
}
}
}
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