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tests: wpa_supplicant control interface wait for client

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This test case is also adding code coverage for process daemonizing and
Linux tracing.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2015-07-19 22:04:07 +03:00
parent 5b0afb0a29
commit 523061996c
1 changed files with 44 additions and 0 deletions
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44
tests/hwsim/test_wpas_ctrl.py
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@ -6,11 +6,13 @@
import logging
logger = logging.getLogger()
import os
import subprocess
import time
import hostapd
import hwsim_utils
from hwsim import HWSimRadio
from wpasupplicant import WpaSupplicant
from utils import alloc_fail
@ -1455,3 +1457,45 @@ def _test_wpas_ctrl_interface_add2(dev, apdev, ifname):
del wpas
dev[0].global_request("INTERFACE_REMOVE " + ifname)
hwsim_utils.test_connectivity(dev[0], hapd)
def test_wpas_ctrl_wait(dev, apdev, test_params):
"""wpa_supplicant control interface wait for client"""
logfile = os.path.join(test_params['logdir'], 'wpas_ctrl_wait.log-wpas')
pidfile = os.path.join(test_params['logdir'], 'wpas_ctrl_wait.pid-wpas')
conffile = os.path.join(test_params['logdir'], 'wpas_ctrl_wait.conf')
with open(conffile, 'w') as f:
f.write("ctrl_interface=DIR=/var/run/wpa_supplicant\n")
prg = os.path.join(test_params['logdir'],
'alt-wpa_supplicant/wpa_supplicant/wpa_supplicant')
if not os.path.exists(prg):
prg = '../../wpa_supplicant/wpa_supplicant'
arg = [ prg ]
cmd = subprocess.Popen(arg, stdout=subprocess.PIPE)
out = cmd.communicate()[0]
cmd.wait()
tracing = "Linux tracing" in out
with HWSimRadio() as (radio, iface):
arg = [ prg, '-BdddW', '-P', pidfile, '-f', logfile,
'-Dnl80211', '-c', conffile, '-i', iface ]
if tracing:
arg += [ '-T' ]
logger.info("Start wpa_supplicant: " + str(arg))
subprocess.call(arg)
wpas = WpaSupplicant(ifname=iface)
if "PONG" not in wpas.request("PING"):
raise Exception("Could not PING wpa_supplicant")
if not os.path.exists(pidfile):
raise Exception("PID file not created")
if "OK" not in wpas.request("TERMINATE"):
raise Exception("Could not TERMINATE")
ev = wpas.wait_event([ "CTRL-EVENT-TERMINATING" ], timeout=2)
if ev is None:
raise Exception("No termination event received")
for i in range(20):
if not os.path.exists(pidfile):
break
time.sleep(0.1)
if os.path.exists(pidfile):
raise Exception("PID file not removed")