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iwd/autotests/testHT-VHT/connection_test.py

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auto-t: add test for HT/VHT rates This is a VERY simple test for HT/VHT. Since there are so many potential options in the IE this really just tests that drops in RSSI will cause IWD to choose a different BSS, even if that means choosing HT over VHT, or even basic rates over HT/VHT.
2019-02-25 21:29:33 +01:00
#! /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
from hwsim import Hwsim
import testutil
auto-t: prepare autotests for test-runner re-write The tests basically remained the same with a few minor changes. The wiphy_map and in turn hostapd_map are no longer used. This was already partially converted a long time ago when the 'config' parameter was added to HostapdCLI. This patch fully converts all autotests to use 'config' rather than looking up by interface. Some test scripts were named 'test.py' which was fine before but the new rewrite actually loads each python test as a module. The name 'test' is too ambiguous and causes issues due to a native python module with the same name. All of these files were renamed to 'connection_test.py'.
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from hostapd import HostapdCLI
auto-t: add test for HT/VHT rates This is a VERY simple test for HT/VHT. Since there are so many potential options in the IE this really just tests that drops in RSSI will cause IWD to choose a different BSS, even if that means choosing HT over VHT, or even basic rates over HT/VHT.
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class Test(unittest.TestCase):
def do_connect(self, wd, device, hostapd):
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_network = device.get_ordered_network('testSSID')
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()
auto-t: replace waiting for network with device Many tests waited on the network object 'connected' property after issuing a Connect command. This is not correct as 'connected' is set quite early in the connection process. The correct way of doing this is waiting for the device state to change to connected. This common code was replaced, hopefully putting to rest any random failures that happen occasionally.
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condition = 'obj.state == DeviceState.connected'
wd.wait_for_object_condition(device, condition)
auto-t: add test for HT/VHT rates This is a VERY simple test for HT/VHT. Since there are so many potential options in the IE this really just tests that drops in RSSI will cause IWD to choose a different BSS, even if that means choosing HT over VHT, or even basic rates over HT/VHT.
2019-02-25 21:29:33 +01:00
testutil.test_iface_operstate()
testutil.test_ifaces_connected(device.name, hostapd.ifname)
device.disconnect()
condition = 'not obj.connected'
wd.wait_for_object_condition(ordered_network.network_object, condition)
def test_connection_success(self):
hwsim = Hwsim()
auto-t: updated autotests to use hwsim.get_radio This removes all the duplicated code where the interfaces are iterated and the radio/hostapd instances are created. Instead the two new APIs are used to get each instance, e.g.: hapd = HostapdCLI(config='ssid.conf') radio = hwsim.get_radio('radX')
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non_ht_hostapd = HostapdCLI(config='non-ht-vht.conf')
ht_hostapd = HostapdCLI(config='ht.conf')
vht_hostapd = HostapdCLI(config='vht.conf')
non_ht_radio = hwsim.get_radio('rad0')
ht_radio = hwsim.get_radio('rad1')
vht_radio = hwsim.get_radio('rad2')
auto-t: add test for HT/VHT rates This is a VERY simple test for HT/VHT. Since there are so many potential options in the IE this really just tests that drops in RSSI will cause IWD to choose a different BSS, even if that means choosing HT over VHT, or even basic rates over HT/VHT.
2019-02-25 21:29:33 +01:00
self.assertIsNotNone(non_ht_hostapd)
self.assertIsNotNone(ht_hostapd)
self.assertIsNotNone(vht_hostapd)
rule0 = hwsim.rules.create()
rule0.source = vht_radio.addresses[0]
rule0.bidirectional = True
auto-t: Use more realistic RSSIs for HT-VHT test
2021-05-22 05:35:27 +02:00
rule0.signal = -5100
auto-t: add test for HT/VHT rates This is a VERY simple test for HT/VHT. Since there are so many potential options in the IE this really just tests that drops in RSSI will cause IWD to choose a different BSS, even if that means choosing HT over VHT, or even basic rates over HT/VHT.
2019-02-25 21:29:33 +01:00
rule1 = hwsim.rules.create()
rule1.source = ht_radio.addresses[0]
rule1.bidirectional = True
auto-t: Use more realistic RSSIs for HT-VHT test
2021-05-22 05:35:27 +02:00
rule1.signal = -5200
auto-t: add test for HT/VHT rates This is a VERY simple test for HT/VHT. Since there are so many potential options in the IE this really just tests that drops in RSSI will cause IWD to choose a different BSS, even if that means choosing HT over VHT, or even basic rates over HT/VHT.
2019-02-25 21:29:33 +01:00
rule2 = hwsim.rules.create()
rule2.source = non_ht_radio.addresses[0]
rule2.bidirectional = True
auto-t: Use more realistic RSSIs for HT-VHT test
2021-05-22 05:35:27 +02:00
rule2.signal = -5300
auto-t: add test for HT/VHT rates This is a VERY simple test for HT/VHT. Since there are so many potential options in the IE this really just tests that drops in RSSI will cause IWD to choose a different BSS, even if that means choosing HT over VHT, or even basic rates over HT/VHT.
2019-02-25 21:29:33 +01:00
wd = IWD()
psk_agent = PSKAgent("secret123")
wd.register_psk_agent(psk_agent)
device = wd.list_devices(1)[0]
self.do_connect(wd, device, vht_hostapd)
# lower VHT BSS signal, HT should now be preferred
auto-t: Drop RSSI even lower The VHT AP reports NSS:8, so it is still highly preferred even in very low signal situations.
2021-06-04 22:33:55 +02:00
rule0.signal = -8200
auto-t: add test for HT/VHT rates This is a VERY simple test for HT/VHT. Since there are so many potential options in the IE this really just tests that drops in RSSI will cause IWD to choose a different BSS, even if that means choosing HT over VHT, or even basic rates over HT/VHT.
2019-02-25 21:29:33 +01:00
self.do_connect(wd, device, ht_hostapd)
# lower HT BSS signal, basic rate BSS should now be preferred
auto-t: Drop RSSI even lower The VHT AP reports NSS:8, so it is still highly preferred even in very low signal situations.
2021-06-04 22:33:55 +02:00
rule1.signal = -7600
auto-t: add test for HT/VHT rates This is a VERY simple test for HT/VHT. Since there are so many potential options in the IE this really just tests that drops in RSSI will cause IWD to choose a different BSS, even if that means choosing HT over VHT, or even basic rates over HT/VHT.
2019-02-25 21:29:33 +01:00
self.do_connect(wd, device, non_ht_hostapd)
wd.unregister_psk_agent(psk_agent)
@classmethod
def setUpClass(cls):
pass
@classmethod
def tearDownClass(cls):
IWD.clear_storage()
if __name__ == '__main__':
unittest.main(exit=True)
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