suites: 4g: Parametrize handover.py test
Change-Id: I7de5acdaa6b905e52655786758bd51490add1d2b
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@ -0,0 +1,6 @@
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config:
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suite:
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4g:
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handover:
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duration: ${param1}
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threshold: ${param2}
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@ -1,10 +1,32 @@
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#!/usr/bin/env python3
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from osmo_gsm_tester.testenv import *
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epc = suite.epc()
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enb = suite.enb()
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ue = suite.modem()
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iperf3srv = suite.iperf3srv({'addr': epc.tun_addr()})
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import time
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test_config = tenv.config_test_specific()
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duration = int(test_config.get('duration', 0)) # 0 = one HO loop
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threshold = int(test_config.get('threshold', 2))
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import pprint
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print("TEST_CONFIG:\n" + pprint.pformat(test_config))
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# attenuation from 0 to 10, then back to 0
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cell1_att_li = list(range(0, 11, 1)) + list(range(9, -1, -1))
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# attenuation from 10 to 0, then back to 10
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cell2_att_li = list(range(10, 0, -1)) + list(range(0, 11, 1))
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def do_one_ho_loop(rfemu_cell1, rfemu_cell2):
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step = 0
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while step < len(cell1_att_li):
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rfemu_cell1.set_attenuation(cell1_att_li[step])
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rfemu_cell2.set_attenuation(cell2_att_li[step])
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step += 1
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sleep(1)
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epc = tenv.epc()
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enb = tenv.enb()
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ue = tenv.modem()
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iperf3srv = tenv.iperf3srv({'addr': epc.tun_addr()})
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iperf3srv.set_run_node(epc.run_node())
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iperf3cli = iperf3srv.create_client()
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iperf3cli.set_run_node(ue.run_node())
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@ -21,7 +43,7 @@ print('ENB is connected to EPC')
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ue.connect(enb)
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iperf3srv.start()
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proc = iperf3cli.prepare_test_proc(False, ue.netns(), 30)
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proc = iperf3cli.prepare_test_proc(False, ue.netns(), duration + 30)
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print('waiting for UE to attach...')
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wait(ue.is_connected, None)
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@ -30,22 +52,17 @@ print('UE is attached')
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rfemu_cell1 = enb.get_rfemu(0)
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rfemu_cell2 = enb.get_rfemu(1)
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# attenuation from 0 to 10, then back to 0
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cell1_att_li = list(range(0, 11, 1)) + list(range(9, -1, -1))
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# attenuation from 10 to 0, then back to 10
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cell2_att_li = list(range(10, 0, -1)) + list(range(0, 11, 1))
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print('Iterating for %d seconds to produce at least %d handovers...' % (duration, threshold))
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try:
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proc.launch()
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step = 0
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while step < len(cell1_att_li):
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rfemu_cell1.set_attenuation(cell1_att_li[step])
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rfemu_cell2.set_attenuation(cell2_att_li[step])
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step += 1
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sleep(1)
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t_end = time.time() + duration
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if duration == 0:
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t_end += 1 # allow loop to run once
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while time.time() < t_end:
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do_one_ho_loop(rfemu_cell1, rfemu_cell2)
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num_handovers = ue.get_counter('handover_success')
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if num_handovers != 2:
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raise Exception('Wrong number of handovers %d vs expected 2' % num_handovers)
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if num_handovers < threshold:
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raise Exception('Wrong number of handovers %d < threshold %d during %d seconds' % (num_handovers, threshold, duration))
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except Exception as e:
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try:
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proc.terminate() # make sure we always terminate the process
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@ -53,7 +70,7 @@ except Exception as e:
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print("Exception while terminating process %r" % repr(process))
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raise e
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rest_str = 'Got %d successful handovers' % num_handovers
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rest_str = 'Got %d successful handovers (>= %d) during %d seconds' % (num_handovers, threshold, duration)
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print(res_str)
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test.set_report_stdout(res_str)
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proc.terminate()
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@ -8,5 +8,10 @@ resources:
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features:
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- 4g
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schema:
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handover:
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duration: 'duration'
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threshold: 'uint'
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defaults:
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timeout: 180s
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