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iwd/autotests/testRoamRetry/fast_retry_test.py
James Prestwood cd258df337 auto-t: update uses of wait_for_object_change
This removes waiting for DeviceState.roaming, which is now done
automatically by wait_for_object_change.
2022-09-28 12:36:16 -05:00

122 lines
3.6 KiB
Python

#!/usr/bin/python3
import unittest
import sys
sys.path.append('../util')
import iwd
from iwd import IWD
from iwd import PSKAgent
from iwd import NetworkType
import testutil
from hostapd import HostapdCLI
from hwsim import Hwsim
class Test(unittest.TestCase):
# Normally the time between a failed roam attempt and the next roam attempt
# is 60 seconds (default RoamRetryInterval). Test that we retry roaming
# faster if the transision looks like this: LOW [roam] [same bss] HIGH LOW.
def test_fast_retry(self):
hwsim = Hwsim()
bss_hostapd = [ HostapdCLI(config='ssid1.conf'),
HostapdCLI(config='ssid2.conf') ]
bss_radio = [ hwsim.get_radio('rad0'),
hwsim.get_radio('rad1') ]
rule0 = hwsim.rules.create()
rule0.source = bss_radio[0].addresses[0]
rule0.bidirectional = True
rule0.enabled = True
rule1 = hwsim.rules.create()
rule1.source = bss_radio[1].addresses[0]
rule1.bidirectional = True
rule1.enabled = True
HostapdCLI.group_neighbors(*bss_hostapd)
# Start in the vicinity of BSS 0, check that iwd connects to BSS 0
rule0.signal = -2000
rule1.signal = -8500
wd = IWD()
psk_agent = PSKAgent("secret123")
wd.register_psk_agent(psk_agent)
devices = wd.list_devices(1)
device = devices[0]
ordered_network = device.get_ordered_network('TestRoamRetry', full_scan=True)
self.assertEqual(ordered_network.type, NetworkType.psk)
condition = 'not obj.connected'
wd.wait_for_object_condition(ordered_network.network_object, condition)
ordered_network.network_object.connect()
condition = 'obj.state == DeviceState.connected'
wd.wait_for_object_condition(device, condition)
bss_hostapd[0].wait_for_event('AP-STA-CONNECTED %s' % device.address)
wd.wait(5)
# Now push the signal LOW, wait for iwd to attempt a roam, fail, and
# schedule another attempt
rule0.signal = -8000
device.wait_for_event('no-roam-candidates')
self.assertEqual(device.state, iwd.DeviceState.connected)
self.assertTrue(bss_hostapd[0].list_sta())
self.assertFalse(bss_hostapd[1].list_sta())
testutil.test_iface_operstate(device.name)
testutil.test_ifaces_connected(bss_hostapd[0].ifname, device.name)
# Assert high signal for BSS 0 again. This clears the way for a faster
# roam attempt on LOW again
rule0.signal = -5000
# Wait a little for signal recognition
wd.wait(1)
# Assert low signal for BSS 0, check that iwd starts transition to BSS 1
rule0.signal = -8000
rule1.signal = -2000
# Check that iwd is on BSS 1 once out of roaming state and doesn't
# go through 'disconnected', 'autoconnect', 'connecting' in between
from_condition = 'obj.state == DeviceState.roaming'
to_condition = 'obj.state == DeviceState.connected'
wd.wait_for_object_change(device, from_condition, to_condition)
bss_hostapd[1].wait_for_event('AP-STA-CONNECTED %s' % device.address)
device.disconnect()
condition = 'not obj.connected'
wd.wait_for_object_condition(ordered_network.network_object, condition)
wd.unregister_psk_agent(psk_agent)
rule0.remove()
rule1.remove()
@classmethod
def setUpClass(cls):
pass
@classmethod
def tearDownClass(cls):
IWD.clear_storage()
if __name__ == '__main__':
unittest.main(exit=True)