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tests: Scan failures

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Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2016-05-22 18:10:19 +03:00
parent 6dc3206ef0
commit 7f03ecc884
1 changed files with 59 additions and 1 deletions
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60
tests/hwsim/test_scan.py
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@ -12,7 +12,7 @@ import subprocess
import hostapd
from wpasupplicant import WpaSupplicant
from utils import HwsimSkip, fail_test
from utils import HwsimSkip, fail_test, alloc_fail, wait_fail_trigger
from tshark import run_tshark
def check_scan(dev, params, other_started=False, test_busy=False):
@ -1002,3 +1002,61 @@ def test_scan_ext(dev, apdev):
check_scan(dev[0], "freq=2412 use_id=1")
finally:
dev[0].request("VENDOR_ELEM_REMOVE 14 *")
def test_scan_fail(dev, apdev):
"""Scan failures"""
with fail_test(dev[0], 1, "wpa_driver_nl80211_scan"):
dev[0].request("DISCONNECT")
if "OK" not in dev[0].request("SCAN freq=2412"):
raise Exception("SCAN failed")
ev = dev[0].wait_event(["CTRL-EVENT-SCAN-FAILED"], timeout=5)
if ev is None:
raise Exception("Did not see scan failure event")
dev[0].dump_monitor()
with alloc_fail(dev[0], 1, "radio_add_work;wpa_supplicant_trigger_scan"):
if "OK" not in dev[0].request("SCAN freq=2412"):
raise Exception("SCAN failed")
ev = dev[0].wait_event(["CTRL-EVENT-SCAN-FAILED"], timeout=5)
if ev is None:
raise Exception("Did not see scan failure event")
dev[0].dump_monitor()
try:
if "OK" not in dev[0].request("SET filter_ssids 1"):
raise Exception("SET failed")
id = dev[0].connect("test-scan", key_mgmt="NONE", only_add_network=True)
with alloc_fail(dev[0], 1, "wpa_supplicant_build_filter_ssids"):
# While the filter list cannot be created due to memory allocation
# failure, this scan is expected to be completed without SSID
# filtering.
if "OK" not in dev[0].request("SCAN freq=2412"):
raise Exception("SCAN failed")
ev = dev[0].wait_event(["CTRL-EVENT-SCAN-RESULTS"])
if ev is None:
raise Exception("Scan did not complete")
dev[0].remove_network(id)
finally:
dev[0].request("SET filter_ssids 0")
dev[0].dump_monitor()
with alloc_fail(dev[0], 1, "nl80211_get_scan_results"):
if "OK" not in dev[0].request("SCAN freq=2412"):
raise Exception("SCAN failed")
ev = dev[0].wait_event(["CTRL-EVENT-SCAN-STARTED"], timeout=5)
if ev is None:
raise Exception("Did not see scan started event")
wait_fail_trigger(dev[0], "GET_ALLOC_FAIL")
dev[0].dump_monitor()
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add("wlan5")
wpas.request("SET preassoc_mac_addr 1")
with fail_test(wpas, 1, "nl80211_set_mac_addr;wpas_trigger_scan_cb"):
if "OK" not in wpas.request("SCAN freq=2412"):
raise Exception("SCAN failed")
ev = wpas.wait_event(["CTRL-EVENT-SCAN-FAILED"], timeout=5)
if ev is None:
raise Exception("Did not see scan failure event")
wpas.request("SET preassoc_mac_addr 0")
wpas.dump_monitor()