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PCU: Add tests for our new IP Sub-Network-Service (SNS) Gb interface 

The SNS-enabled Gb interface has no RESET/BLOCK/UNBLOCK procedures,
but introduces a bunch of new SNS procedures.  Most importantly the
SNS-SIZE and SNS-CONFIG procedures.

Change-Id: I0fe3d4579960bab0494c294ec7ab8032feed4fb2
Related: OS#3372
This commit is contained in:
Harald Welte 2019-02-20 20:48:50 +01:00
parent 88963dc365
commit f7b74076c2
1 changed files with 86 additions and 0 deletions
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86
pcu/PCU_Tests_RAW_SNS.ttcn Normal file
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module PCU_Tests_RAW_SNS {
import from Osmocom_Types all;
import from PCU_Tests all;
import from PCU_Tests_RAW all;
/**********************************************************************************
* Modern Gb/IP bring-up test cases using IP Sub-Network Service (SNS)
**********************************************************************************/
/* PCU-originated SNS-SIZE: successful case */
testcase TC_sns_po_size_success() runs on RAW_NS_CT {
f_init_ns_codec();
f_init_pcuif();
f_incoming_sns_size();
f_sleep(1.0);
setverdict(pass);
}
/* PCU-originated SNS-SIZE: NACK from our side */
testcase TC_sns_po_size_nack() runs on RAW_NS_CT {
f_init_ns_codec();
f_init_pcuif();
f_incoming_sns_size(NS_CAUSE_PROTOCOL_ERROR_UNSPEIFIED);
/* FIXME: ensure we don't get a SNS-CONFIG */
/* FIXME: ensure we get re-transmitted SNS-SIZE attempts */
f_sleep(10.0);
setverdict(pass);
}
/* PCU-originated SNS-CONFIG: successful case */
testcase TC_sns_po_config_success() runs on RAW_NS_CT {
f_init_ns_codec();
f_init_pcuif();
f_incoming_sns_size();
f_incoming_sns_config();
f_sleep(1.0);
setverdict(pass);
}
/* PCU-originated SNS-CONFIG: successful case */
testcase TC_sns_po_config_nack() runs on RAW_NS_CT {
f_init_ns_codec();
f_init_pcuif();
f_incoming_sns_size();
f_incoming_sns_config(NS_CAUSE_PROTOCOL_ERROR_UNSPEIFIED);
/* FIXME: ensure we get re-transmitted SNS-CONFIG attempts */
f_sleep(10.0);
setverdict(pass);
}
/* SGSN-originated SNS-SIZE: successful case */
testcase TC_sns_so_config_success() runs on RAW_NS_CT {
f_init_ns_codec();
f_init_pcuif();
f_incoming_sns_size();
f_incoming_sns_config();
f_outgoing_sns_config();
/* wait for one ALIVE cycle, then ACK any further ALIVE in the background */
as_rx_alive_tx_ack(oneshot := true);
activate(as_rx_alive_tx_ack());
f_outgoing_ns_alive();
/* Expect BVC-RESET for signaling (0) and ptp BVCI */
as_rx_bvc_reset_tx_ack(0, oneshot := true);
as_rx_bvc_reset_tx_ack(mp_gb_cfg.bvci, oneshot := true);
as_rx_bvc_unblock_tx_ack(mp_gb_cfg.bvci, oneshot := true);
/* wait for one FLOW-CONTROL BVC and then ACK any further in the future */
as_rx_bvc_fc_tx_ack(mp_gb_cfg.bvci, oneshot := true);
activate(as_rx_bvc_fc_tx_ack(mp_gb_cfg.bvci));
setverdict(pass);
}
control {
execute( TC_sns_po_size_success() );
execute( TC_sns_po_size_nack() );
execute( TC_sns_po_config_success() );
execute( TC_sns_po_config_nack() );
execute( TC_sns_so_config_success() );
}
}