207 lines
8.3 KiB
Python
207 lines
8.3 KiB
Python
#
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# Copyright 2014 - The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import time
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from acts import asserts
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from acts.test_decorators import test_tracker_info
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import acts_contrib.test_utils.wifi.wifi_test_utils as wutils
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from acts_contrib.test_utils.wifi.WifiBaseTest import WifiBaseTest
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WifiEnums = wutils.WifiEnums
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MAX_ATTN = 95
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class WifiPnoTest(WifiBaseTest):
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def __init__(self, configs):
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super().__init__(configs)
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self.enable_packet_log = True
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def setup_class(self):
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super().setup_class()
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self.dut = self.android_devices[0]
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wutils.wifi_test_device_init(self.dut)
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req_params = ["attn_vals", "pno_interval", "wifi6_models"]
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opt_param = ["reference_networks"]
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self.unpack_userparams(
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req_param_names=req_params, opt_param_names=opt_param)
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if "AccessPoint" in self.user_params:
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self.legacy_configure_ap_and_start()
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elif "OpenWrtAP" in self.user_params:
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self.configure_openwrt_ap_and_start(wpa_network=True,
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ap_count=2)
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self.pno_network_a = self.reference_networks[0]['2g']
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self.pno_network_b = self.reference_networks[0]['5g']
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if "OpenWrtAP" in self.user_params:
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self.pno_network_b = self.reference_networks[1]['5g']
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self.attn_a = self.attenuators[0]
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self.attn_b = self.attenuators[1]
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# Disable second AP's networks, so that it does not interfere during PNO
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self.attenuators[2].set_atten(MAX_ATTN)
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self.attenuators[3].set_atten(MAX_ATTN)
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self.set_attns("default")
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def setup_test(self):
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super().setup_test()
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self.dut.droid.wifiStartTrackingStateChange()
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self.dut.droid.wakeLockRelease()
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self.dut.droid.goToSleepNow()
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wutils.reset_wifi(self.dut)
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self.dut.ed.clear_all_events()
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# DUT to the saved networks so they won't be excluded from PNO scan.
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wutils.connect_to_wifi_network(self.dut, self.pno_network_a)
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wutils.connect_to_wifi_network(self.dut, self.pno_network_b)
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def teardown_test(self):
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super().teardown_test()
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self.dut.droid.wifiStopTrackingStateChange()
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wutils.reset_wifi(self.dut)
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self.dut.ed.clear_all_events()
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self.set_attns("default")
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def teardown_class(self):
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if "AccessPoint" in self.user_params:
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del self.user_params["reference_networks"]
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del self.user_params["open_network"]
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"""Helper Functions"""
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def set_attns(self, attn_val_name):
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"""Sets attenuation values on attenuators used in this test.
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Args:
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attn_val_name: Name of the attenuation value pair to use.
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"""
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self.log.info("Set attenuation values to %s",
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self.attn_vals[attn_val_name])
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try:
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self.attn_a.set_atten(self.attn_vals[attn_val_name][0])
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self.attn_b.set_atten(self.attn_vals[attn_val_name][1])
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except:
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self.log.error("Failed to set attenuation values %s.",
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attn_val_name)
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raise
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def trigger_pno_and_assert_connect(self, attn_val_name, expected_con):
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"""Sets attenuators to disconnect current connection to trigger PNO.
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Validate that the DUT connected to the new SSID as expected after PNO.
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Args:
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attn_val_name: Name of the attenuation value pair to use.
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expected_con: The expected info of the network to we expect the DUT
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to roam to.
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"""
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connection_info = self.dut.droid.wifiGetConnectionInfo()
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self.log.info("Triggering PNO connect from %s to %s",
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connection_info[WifiEnums.SSID_KEY],
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expected_con[WifiEnums.SSID_KEY])
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self.set_attns(attn_val_name)
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self.log.info("Wait %ss for PNO to trigger.", self.pno_interval)
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time.sleep(self.pno_interval)
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try:
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self.log.info("Connected to %s network after PNO interval"
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% self.dut.droid.wifiGetConnectionInfo())
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expected_ssid = expected_con[WifiEnums.SSID_KEY]
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verify_con = {WifiEnums.SSID_KEY: expected_ssid}
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wutils.verify_wifi_connection_info(self.dut, verify_con)
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self.log.info("Connected to %s successfully after PNO",
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expected_ssid)
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wutils.verify_11ax_wifi_connection(
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self.dut, self.wifi6_models, "wifi6_ap" in self.user_params)
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finally:
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pass
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def add_and_enable_test_networks(self, num_networks):
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"""Add some test networks to the device and enable them.
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Args:
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num_networks: Number of networks to add.
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"""
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ssid_name_base = "pno_test_network_"
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for i in range(0, num_networks):
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network = {}
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network[WifiEnums.SSID_KEY] = ssid_name_base + str(i)
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network[WifiEnums.PWD_KEY] = "pno_test"
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self.add_network_and_enable(network)
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def add_network_and_enable(self, network):
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"""Add a network and enable it.
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Args:
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network : Network details for the network to be added.
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"""
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ret = self.dut.droid.wifiAddNetwork(network)
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asserts.assert_true(ret != -1, "Add network %r failed" % network)
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self.dut.droid.wifiEnableNetwork(ret, 0)
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""" Tests Begin """
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@test_tracker_info(uuid="33d3cae4-5fa7-4e90-b9e2-5d3747bba64c")
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def test_simple_pno_connection_5g_to_2g(self):
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"""Test PNO triggered autoconnect to a network.
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Steps:
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1. Switch off the screen on the device.
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2. Save 2 valid network configurations (a & b) in the device.
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3. Attenuate 5Ghz network and wait for a few seconds to trigger PNO.
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4. Check the device connected to 2Ghz network automatically.
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"""
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self.add_network_and_enable(self.pno_network_a)
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self.add_network_and_enable(self.pno_network_b)
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self.trigger_pno_and_assert_connect("a_on_b_off", self.pno_network_a)
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@test_tracker_info(uuid="39b945a1-830f-4f11-9e6a-9e9641066a96")
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def test_simple_pno_connection_2g_to_5g(self):
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"""Test PNO triggered autoconnect to a network.
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Steps:
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1. Switch off the screen on the device.
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2. Save 2 valid network configurations (a & b) in the device.
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3. Attenuate 2Ghz network and wait for a few seconds to trigger PNO.
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4. Check the device connected to 5Ghz network automatically.
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"""
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self.add_network_and_enable(self.pno_network_a)
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self.add_network_and_enable(self.pno_network_b)
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self.trigger_pno_and_assert_connect("b_on_a_off", self.pno_network_b)
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@test_tracker_info(uuid="844b15be-ff45-4b09-a11b-0b2b4bb13b22")
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def test_pno_connection_with_multiple_saved_networks(self):
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"""Test PNO triggered autoconnect to a network when there are more
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than 16 networks saved in the device.
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16 is the max list size of PNO watch list for most devices. The device should automatically
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pick the 16 most recently connected networks. For networks that were never connected, the
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networks seen in the previous scan result would have higher priority.
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Steps:
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1. Save 16 test network configurations in the device.
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2. Add 2 connectable networks and do a normal scan.
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3. Trigger PNO scan
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"""
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self.add_and_enable_test_networks(16)
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self.add_network_and_enable(self.pno_network_a)
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self.add_network_and_enable(self.pno_network_b)
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# Force single scan so that both networks become preferred before PNO.
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wutils.start_wifi_connection_scan_and_return_status(self.dut)
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time.sleep(10)
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self.trigger_pno_and_assert_connect("b_on_a_off", self.pno_network_b)
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""" Tests End """
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