sysmocom: Introduce suite to test emergency calls
Change-Id: I2e851c94311ded0abd4ff072b8cc72316d972750
diff --git a/sysmocom/suites/emergency/emergency_mo_mt_call.py b/sysmocom/suites/emergency/emergency_mo_mt_call.py
new file mode 100755
index 0000000..7fa9b6f
--- /dev/null
+++ b/sysmocom/suites/emergency/emergency_mo_mt_call.py
@@ -0,0 +1,64 @@
+#!/usr/bin/env python3
+from osmo_gsm_tester.testenv import *
+
+hlr = tenv.hlr()
+bts = tenv.bts()
+mgw_msc = tenv.mgw()
+mgw_bsc = tenv.mgw()
+stp = tenv.stp()
+msc = tenv.msc(hlr, mgw_msc, stp)
+bsc = tenv.bsc(msc, mgw_bsc, stp)
+ms_mo = tenv.modem()
+ms_mt = tenv.modem()
+
+hlr.start()
+stp.start()
+
+# Set MSC to route emergency call to ms_mt:
+msc.set_emergency_call_msisdn(ms_mt.msisdn())
+msc.start()
+
+mgw_msc.start()
+mgw_bsc.start()
+
+bsc.bts_add(bts)
+bsc.start()
+
+bts.start()
+wait(bsc.bts_is_connected, bts)
+
+hlr.subscriber_add(ms_mo)
+hlr.subscriber_add(ms_mt)
+
+ms_mo.connect(msc.mcc_mnc())
+ms_mt.connect(msc.mcc_mnc())
+
+ms_mo.log_info()
+ms_mt.log_info()
+
+print('waiting for modems to attach...')
+wait(ms_mo.is_registered, msc.mcc_mnc())
+wait(ms_mt.is_registered, msc.mcc_mnc())
+wait(msc.subscriber_attached, ms_mo, ms_mt)
+
+assert len(ms_mo.call_id_list()) == 0 and len(ms_mt.call_id_list()) == 0
+# Calling emergency number should be redirected to ms_mt as configured further above:
+emerg_numbers = ms_mo.emergency_numbers()
+assert len(emerg_numbers) > 0
+print('dialing Emergency Number %s' % (emerg_numbers[0]))
+mo_cid = ms_mo.call_dial(emerg_numbers[0])
+mt_cid = ms_mt.call_wait_incoming(ms_mo)
+print('dial success')
+
+assert not ms_mo.call_is_active(mo_cid) and not ms_mt.call_is_active(mt_cid)
+ms_mt.call_answer(mt_cid)
+wait(ms_mo.call_is_active, mo_cid)
+wait(ms_mt.call_is_active, mt_cid)
+print('answer success, call established and ongoing')
+
+sleep(5) # maintain the call active for 5 seconds
+
+assert ms_mo.call_is_active(mo_cid) and ms_mt.call_is_active(mt_cid)
+ms_mt.call_hangup(mt_cid)
+wait(lambda: len(ms_mo.call_id_list()) == 0 and len(ms_mt.call_id_list()) == 0)
+print('hangup success')