--- v2 -> v3: - Removed unnecessary waits --- autotests/testRoamRetry/stop_retry_test.py | 131 +++++++++++++++++++++ 1 file changed, 131 insertions(+) create mode 100644 autotests/testRoamRetry/stop_retry_test.py diff --git a/autotests/testRoamRetry/stop_retry_test.py b/autotests/testRoamRetry/stop_retry_test.py new file mode 100644 index 00000000..a2729d6c --- /dev/null +++ b/autotests/testRoamRetry/stop_retry_test.py @@ -0,0 +1,131 @@ +#!/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): + # Test that we do not periodically retry roaming if the transision looks + # like this: LOW [roam] [new bss] HIGH. + def test_stop_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 + + rule1 = hwsim.rules.create() + rule1.source = bss_radio[1].addresses[0] + rule1.bidirectional = True + + # Fill in the neighbor AP tables in both BSSes. By default each + # instance knows only about current BSS, even inside one hostapd + # process. + # Roaming still works without the neighbor AP table but neighbor + # reports have to be disabled in the .conf files + bss0_nr = ''.join(bss_radio[0].addresses[0].split(':')) + \ + '8f0000005101060603000000' + bss1_nr = ''.join(bss_radio[1].addresses[0].split(':')) + \ + '8f0000005102060603000000' + + bss_hostapd[0].set_neighbor(bss_radio[1].addresses[0], 'TestRoamRetry', + bss1_nr) + bss_hostapd[1].set_neighbor(bss_radio[0].addresses[0], 'TestRoamRetry', + bss0_nr) + + # Start in the vicinity of BSS 0, check that iwd connects to BSS 0 + rule0.signal = -2000 + rule1.signal = -5000 + + wd = IWD() + + psk_agent = PSKAgent("secret123") + wd.register_psk_agent(psk_agent) + + devices = wd.list_devices(1) + device = devices[0] + + condition = 'not obj.scanning' + wd.wait_for_object_condition(device, condition) + + device.scan() + + condition = 'not obj.scanning' + wd.wait_for_object_condition(device, condition) + + ordered_network = device.get_ordered_network('TestRoamRetry') + + 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) + + self.assertTrue(bss_hostapd[0].list_sta()) + self.assertFalse(bss_hostapd[1].list_sta()) + + # Now push the signal below the RSSI threshold and check that iwd + # connects to BSS 1 + rule0.signal = -8000 + + condition = 'obj.state == DeviceState.roaming' + wd.wait_for_object_condition(device, condition) + + # 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) + + self.assertEqual(device.state, iwd.DeviceState.connected) + self.assertTrue(bss_hostapd[1].list_sta()) + + # Now make sure that we don't roam anymore. In order to catch this via + # DeviceState, a suitable roaming target needs to be available. So jack + # up the RSSI of BSS 0 again. The retry interval is 60 seconds, so we + # should have roamed within that timeframe. Wait just a little longer + # to account for the slowness of the autotest environment. + rule0.signal = -2000 + + condition = 'obj.state == DeviceState.roaming' + self.assertRaises(TimeoutError, wd.wait_for_object_condition, device, + condition, max_wait=70) + + 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) -- 2.29.2