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iwd/autotests/testFT-PSK-roam/test.py
Andrew Zaborowski 38b5f3fee4 autotests: Add test for roam triggered by beacon loss
The two tests in test.py are similar except for the way that the roaming
is triggered.
2017-08-15 12:43:14 -05:00

246 lines
8.3 KiB
Python

#! /usr/bin/python3
import unittest
import sys, os
sys.path.append('../util')
import iwd
from iwd import IWD
from iwd import PSKAgent
from iwd import NetworkType
from hwsim import Hwsim
from hostapd import HostapdCLI
from wiphy import wiphy_map
import testutil
class Test(unittest.TestCase):
def test_roam_success(self):
hwsim = Hwsim()
rule0 = hwsim.rules.create()
rule0.source = self.bss_radio[0].addresses[0]
rule0.bidirectional = True
rule1 = hwsim.rules.create()
rule1.source = self.bss_radio[1].addresses[0]
rule1.bidirectional = True
wd = IWD()
psk_agent = PSKAgent("EasilyGuessedPassword")
wd.register_psk_agent(psk_agent)
device = wd.list_devices()[0];
# Check that iwd selects BSS 0 first
rule0.signal = -2000
rule1.signal = -2500
condition = 'not obj.scanning'
wd.wait_for_object_condition(device, condition)
device.scan()
condition = 'obj.scanning'
wd.wait_for_object_condition(device, condition)
condition = 'not obj.scanning'
wd.wait_for_object_condition(device, condition)
ordered_networks = device.get_ordered_networks()
self.assertEqual(len(ordered_networks), 1)
ordered_network = ordered_networks[0]
self.assertEqual(ordered_network.name, "TestFT")
self.assertEqual(ordered_network.type, NetworkType.psk)
self.assertEqual(ordered_network.signal_strength, -2000)
condition = 'not obj.connected'
wd.wait_for_object_condition(ordered_network.network_object, condition)
self.assertFalse(self.bss_hostapd[0].list_sta())
self.assertFalse(self.bss_hostapd[1].list_sta())
ordered_network.network_object.connect()
condition = 'obj.connected'
wd.wait_for_object_condition(ordered_network.network_object, condition)
self.assertTrue(self.bss_hostapd[0].list_sta())
self.assertFalse(self.bss_hostapd[1].list_sta())
wd.unregister_psk_agent(psk_agent)
testutil.test_iface_operstate(device.name)
testutil.test_ifaces_connected(self.bss_hostapd[0].ifname, device.name)
self.assertRaises(Exception, testutil.test_ifaces_connected,
(self.bss_hostapd[1].ifname, device.name))
# Check that iwd starts transition to BSS 1 in less than 10 seconds
rule0.signal = -8000
condition = 'obj.state == DeviceState.roaming'
wd.wait_for_object_condition(device, condition, 10)
# Check that iwd is on BSS 1 once out of roaming state and doesn't
# go through 'disconnected', 'autoconnect', 'connecting' in between
condition = 'obj.state != DeviceState.roaming'
wd.wait_for_object_condition(device, condition, 5)
self.assertEqual(device.state, iwd.DeviceState.connected)
self.assertTrue(self.bss_hostapd[1].list_sta())
testutil.test_iface_operstate(device.name)
testutil.test_ifaces_connected(self.bss_hostapd[1].ifname, device.name)
self.assertRaises(Exception, testutil.test_ifaces_connected,
(self.bss_hostapd[0].ifname, device.name))
def test_roam_on_beacon_loss(self):
hwsim = Hwsim()
rule0 = hwsim.rules.create()
rule0.source = self.bss_radio[0].addresses[0]
rule0.bidirectional = True
rule1 = hwsim.rules.create()
rule1.source = self.bss_radio[1].addresses[0]
rule1.bidirectional = True
wd = IWD()
psk_agent = PSKAgent("EasilyGuessedPassword")
wd.register_psk_agent(psk_agent)
device = wd.list_devices()[0];
# Check that iwd selects BSS 0 first
rule0.signal = -2000
rule1.signal = -2500
condition = 'not obj.scanning'
wd.wait_for_object_condition(device, condition)
device.scan()
condition = 'obj.scanning'
wd.wait_for_object_condition(device, condition)
condition = 'not obj.scanning'
wd.wait_for_object_condition(device, condition)
ordered_networks = device.get_ordered_networks()
self.assertEqual(len(ordered_networks), 1)
ordered_network = ordered_networks[0]
self.assertEqual(ordered_network.name, "TestFT")
self.assertEqual(ordered_network.type, NetworkType.psk)
self.assertEqual(ordered_network.signal_strength, -2000)
condition = 'not obj.connected'
wd.wait_for_object_condition(ordered_network.network_object, condition)
self.assertFalse(self.bss_hostapd[0].list_sta())
self.assertFalse(self.bss_hostapd[1].list_sta())
ordered_network.network_object.connect()
condition = 'obj.connected'
wd.wait_for_object_condition(ordered_network.network_object, condition)
self.assertTrue(self.bss_hostapd[0].list_sta())
self.assertFalse(self.bss_hostapd[1].list_sta())
wd.unregister_psk_agent(psk_agent)
testutil.test_iface_operstate(device.name)
testutil.test_ifaces_connected(self.bss_hostapd[0].ifname, device.name)
self.assertRaises(Exception, testutil.test_ifaces_connected,
(self.bss_hostapd[1].ifname, device.name))
# Check that iwd starts transition to BSS 1 in less than 10 seconds
os.system('ifconfig "' + self.bss_hostapd[0].ifname + '" down')
condition = 'obj.state == DeviceState.roaming'
wd.wait_for_object_condition(device, condition, 10)
# Check that iwd is on BSS 1 once out of roaming state and doesn't
# go through 'disconnected', 'autoconnect', 'connecting' in between
condition = 'obj.state != DeviceState.roaming'
wd.wait_for_object_condition(device, condition, 5)
self.assertEqual(device.state, iwd.DeviceState.connected)
self.assertTrue(self.bss_hostapd[1].list_sta())
testutil.test_iface_operstate(device.name)
testutil.test_ifaces_connected(self.bss_hostapd[1].ifname, device.name)
self.assertRaises(Exception, testutil.test_ifaces_connected,
(self.bss_hostapd[0].ifname, device.name))
def tearDown(self):
os.system('ifconfig "' + self.bss_hostapd[0].ifname + '" up')
os.system('ifconfig "' + self.bss_hostapd[1].ifname + '" up')
hwsim = Hwsim()
wd = IWD()
device = wd.list_devices()[0]
try:
device.disconnect()
except:
pass
condition = 'obj.state == DeviceState.disconnected'
wd.wait_for_object_condition(device, condition)
for rule in list(hwsim.rules.keys()):
del hwsim.rules[rule]
@classmethod
def setUpClass(cls):
hwsim = Hwsim()
cls.bss_hostapd = [None, None]
cls.bss_radio = [None, None]
for wname in wiphy_map:
wiphy = wiphy_map[wname]
intf = list(wiphy.values())[0]
if intf.config and '1' in intf.config:
bss_idx = 0
elif intf.config and '2' in intf.config:
bss_idx = 1
else:
continue
for path in hwsim.radios:
radio = hwsim.radios[path]
if radio.name == wname:
break
cls.bss_hostapd[bss_idx] = HostapdCLI(intf)
cls.bss_radio[bss_idx] = radio
# Set interface addresses to those expected by hostapd config files
os.system('ifconfig "' + cls.bss_hostapd[0].ifname +
'" down hw ether 12:00:00:00:00:01 up')
os.system('ifconfig "' + cls.bss_hostapd[1].ifname +
'" down hw ether 12:00:00:00:00:02 up')
cls.bss_hostapd[0].reload()
cls.bss_hostapd[1].reload()
# Fill in the neighbor AP tables in both BSSes. By default each
# instance knows only about current BSS, even inside one hostapd
# process.
# FT still works without the neighbor AP table but neighbor reports
# have to be disabled in the .conf files
cls.bss_hostapd[0].set_neighbor('12:00:00:00:00:02', 'TestFT',
'1200000000028f0000005102060603000000')
cls.bss_hostapd[1].set_neighbor('12:00:00:00:00:01', 'TestFT',
'1200000000018f0000005101060603000000')
@classmethod
def tearDownClass(cls):
IWD.clear_storage()
if __name__ == '__main__':
unittest.main(exit=True)