| # |
| # Copyright 2017 - The Android Open Source Project |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| import logging |
| import random |
| import socket |
| import time |
| |
| from acts import asserts |
| from acts import base_test |
| from acts import test_runner |
| from acts.controllers import adb |
| from acts.test_decorators import test_tracker_info |
| from acts.test_utils.tel import tel_data_utils |
| from acts.test_utils.tel import tel_defines |
| from acts.test_utils.tel.tel_data_utils import toggle_airplane_mode |
| from acts.test_utils.tel.tel_data_utils import wait_for_cell_data_connection |
| from acts.test_utils.tel.tel_test_utils import get_operator_name |
| from acts.test_utils.tel.tel_test_utils import http_file_download_by_chrome |
| from acts.test_utils.tel.tel_test_utils import verify_http_connection |
| from acts.test_utils.tel.tel_test_utils import WIFI_CONFIG_APBAND_2G |
| from acts.test_utils.tel.tel_test_utils import WIFI_CONFIG_APBAND_5G |
| from acts.test_utils.wifi import wifi_test_utils as wutils |
| |
| WAIT_TIME = 2 |
| |
| class WifiTetheringTest(base_test.BaseTestClass): |
| """ Tests for Wifi Tethering """ |
| |
| def setup_class(self): |
| """ Setup devices for tethering and unpack params """ |
| |
| self.convert_byte_to_mb = 1024.0 * 1024.0 |
| self.new_ssid = "wifi_tethering_test2" |
| self.data_usage_error = 1 |
| |
| self.hotspot_device = self.android_devices[0] |
| self.tethered_devices = self.android_devices[1:] |
| req_params = ("network", "url", "download_file", "file_size") |
| self.unpack_userparams(req_params) |
| self.file_size = int(self.file_size) |
| |
| wutils.wifi_toggle_state(self.hotspot_device, False) |
| self.hotspot_device.droid.telephonyToggleDataConnection(True) |
| wait_for_cell_data_connection(self.log, self.hotspot_device, True) |
| asserts.assert_true( |
| verify_http_connection(self.log, self.hotspot_device), |
| "HTTP verification failed on cell data connection") |
| asserts.assert_true( |
| self.hotspot_device.droid.connectivityIsTetheringSupported(), |
| "Tethering is not supported for the provider") |
| for ad in self.tethered_devices: |
| wutils.wifi_test_device_init(ad) |
| |
| # Set chrome browser start with no-first-run verification |
| # Give permission to read from and write to storage |
| commands = ["pm grant com.android.chrome " |
| "android.permission.READ_EXTERNAL_STORAGE", |
| "pm grant com.android.chrome " |
| "android.permission.WRITE_EXTERNAL_STORAGE", |
| "rm /data/local/chrome-command-line", |
| "am set-debug-app --persistent com.android.chrome", |
| 'echo "chrome --no-default-browser-check --no-first-run ' |
| '--disable-fre" > /data/local/tmp/chrome-command-line'] |
| for cmd in commands: |
| for dut in self.tethered_devices: |
| try: |
| dut.adb.shell(cmd) |
| except adb.AdbError: |
| self.log.warn("adb command %s failed on %s" |
| % (cmd, dut.serial)) |
| |
| def teardown_class(self): |
| """ Reset devices """ |
| wutils.wifi_toggle_state(self.hotspot_device, True) |
| |
| def on_fail(self, test_name, begin_time): |
| """ Collect bug report on failure """ |
| self.hotspot_device.take_bug_report(test_name, begin_time) |
| for ad in self.tethered_devices: |
| ad.take_bug_report(test_name, begin_time) |
| |
| """ Helper functions """ |
| |
| def _is_ipaddress_ipv6(self, ip_address): |
| """ Verify if the given string is a valid IPv6 address |
| |
| Args: |
| 1. string which contains the IP address |
| |
| Returns: |
| True: if valid ipv6 address |
| False: if not |
| """ |
| try: |
| socket.inet_pton(socket.AF_INET6, ip_address) |
| return True |
| except socket.error: |
| return False |
| |
| def _supports_ipv6_tethering(self, dut): |
| """ Check if provider supports IPv6 tethering. |
| Currently, only Verizon supports IPv6 tethering |
| |
| Returns: |
| True: if provider supports IPv6 tethering |
| False: if not |
| """ |
| # Currently only Verizon support IPv6 tethering |
| carrier_supports_tethering = ["vzw"] |
| operator = get_operator_name(self.log, dut) |
| return operator in carrier_supports_tethering |
| |
| def _carrier_supports_ipv6(self,dut): |
| """ Verify if carrier supports ipv6 |
| Currently, only verizon and t-mobile supports IPv6 |
| |
| Returns: |
| True: if carrier supports ipv6 |
| False: if not |
| """ |
| carrier_supports_ipv6 = ["vzw", "tmo"] |
| operator = get_operator_name(self.log, dut) |
| self.log.info("Carrier is %s" % operator) |
| return operator in carrier_supports_ipv6 |
| |
| def _find_ipv6_default_route(self, dut): |
| """ Checks if IPv6 default route exists in the link properites |
| |
| Returns: |
| True: if default route found |
| False: if not |
| """ |
| default_route_substr = "::/0 -> " |
| link_properties = dut.droid.connectivityGetActiveLinkProperties() |
| self.log.info("LINK PROPERTIES:\n%s\n" % link_properties) |
| return link_properties and default_route_substr in link_properties |
| |
| def _verify_ipv6_tethering(self, dut): |
| """ Verify IPv6 tethering """ |
| http_response = dut.droid.httpRequestString(self.url) |
| link_properties = dut.droid.connectivityGetActiveLinkProperties() |
| self.log.info("IP address %s " % http_response) |
| if dut==self.hotspot_device and self._carrier_supports_ipv6(dut)\ |
| or self._supports_ipv6_tethering(self.hotspot_device): |
| asserts.assert_true(self._is_ipaddress_ipv6(http_response), |
| "The http response did not return IPv6 address") |
| asserts.assert_true(link_properties and http_response in link_properties, |
| "Could not find IPv6 address in link properties") |
| asserts.assert_true(self._find_ipv6_default_route(dut), |
| "Could not find IPv6 default route in link properties") |
| else: |
| asserts.assert_true(not self._find_ipv6_default_route(dut), |
| "Found IPv6 default route in link properties") |
| |
| def _start_wifi_tethering(self, wifi_band=WIFI_CONFIG_APBAND_2G): |
| """ Start wifi tethering on hotspot device |
| |
| Args: |
| 1. wifi_band: specifies the wifi band to start the hotspot |
| on. The current options are 2G and 5G |
| """ |
| wutils.start_wifi_tethering(self.hotspot_device, |
| self.network[wutils.WifiEnums.SSID_KEY], |
| self.network[wutils.WifiEnums.PWD_KEY], |
| wifi_band) |
| |
| def _connect_disconnect_devices(self): |
| """ Randomly connect and disconnect devices from the |
| self.tethered_devices list to hotspot device |
| """ |
| device_connected = [ False ] * len(self.tethered_devices) |
| for _ in range(50): |
| dut_id = random.randint(0, len(self.tethered_devices)-1) |
| dut = self.tethered_devices[dut_id] |
| # wait for 1 sec between connect & disconnect stress test |
| time.sleep(1) |
| if device_connected[dut_id]: |
| wutils.wifi_forget_network(dut, self.network["SSID"]) |
| else: |
| wutils.wifi_connect(dut, self.network) |
| device_connected[dut_id] = not device_connected[dut_id] |
| |
| def _verify_ping(self, dut, ip, isIPv6=False): |
| """ Verify ping works from the dut to IP/hostname |
| |
| Args: |
| 1. dut - ad object to check ping from |
| 2. ip - ip/hostname to ping (IPv4 and IPv6) |
| |
| Returns: |
| True - if ping is successful |
| False - if not |
| """ |
| self.log.info("Pinging %s from dut %s" % (ip, dut.serial)) |
| if isIPv6 or self._is_ipaddress_ipv6(ip): |
| return dut.droid.pingHost(ip, 5, "ping6") |
| return dut.droid.pingHost(ip) |
| |
| def _return_ip_for_interface(self, dut, iface_name): |
| """ Return list of IP addresses for an interface |
| |
| Args: |
| 1. dut - ad object |
| 2. iface_name - interface name |
| |
| Returns: |
| List of IPv4 and IPv6 addresses |
| """ |
| return dut.droid.connectivityGetIPv4Addresses(iface_name) + \ |
| dut.droid.connectivityGetIPv6Addresses(iface_name) |
| |
| def _test_traffic_between_two_tethered_devices(self, dut1, dut2): |
| """ Verify pinging interfaces of one DUT from another |
| |
| Args: |
| 1. dut1 - tethered device 1 |
| 2. dut2 - tethered device 2 |
| """ |
| wutils.wifi_connect(dut1, self.network) |
| wutils.wifi_connect(dut2, self.network) |
| |
| dut1_ipaddrs = dut1.droid.connectivityGetIPv4Addresses("wlan0") + \ |
| dut1.droid.connectivityGetIPv6Addresses("wlan0") |
| dut2_ipaddrs = dut2.droid.connectivityGetIPv4Addresses("wlan0") + \ |
| dut2.droid.connectivityGetIPv6Addresses("wlan0") |
| |
| for ip in dut1_ipaddrs: |
| asserts.assert_true(self._verify_ping(dut2, ip), "%s " % ip) |
| for ip in dut2_ipaddrs: |
| asserts.assert_true(self._verify_ping(dut1, ip), "%s " % ip) |
| |
| def _ping_hotspot_interfaces_from_tethered_device(self, dut): |
| """ Ping hotspot interfaces from tethered device |
| |
| Args: |
| 1. dut - tethered device |
| |
| Returns: |
| True - if all IP addresses are pingable |
| False - if not |
| """ |
| ifaces = self.hotspot_device.droid.connectivityGetNetworkInterfaces() |
| return_result = True |
| for interface in ifaces: |
| iface_name = interface.split()[0].split(':')[1] |
| if iface_name == "lo": |
| continue |
| ip_list = self._return_ip_for_interface( |
| self.hotspot_device, iface_name) |
| for ip in ip_list: |
| ping_result = self._verify_ping(dut, ip) |
| self.log.info("Ping result: %s %s %s" % |
| (iface_name, ip, ping_result)) |
| return_result = return_result and ping_result |
| |
| return return_result |
| |
| """ Test Cases """ |
| |
| @test_tracker_info(uuid="36d03295-bea3-446e-8342-b9f8f1962a32") |
| def test_ipv6_tethering(self): |
| """ IPv6 tethering test |
| |
| Steps: |
| 1. Start wifi tethering on hotspot device |
| 2. Verify IPv6 address on hotspot device (VZW & TMO only) |
| 3. Connect tethered device to hotspot device |
| 4. Verify IPv6 address on the client's link properties (VZW only) |
| 5. Verify ping on client using ping6 which should pass (VZW only) |
| 6. Disable mobile data on provider and verify that link properties |
| does not have IPv6 address and default route (VZW only) |
| """ |
| # Start wifi tethering on the hotspot device |
| wutils.toggle_wifi_off_and_on(self.hotspot_device) |
| self._start_wifi_tethering() |
| |
| # Verify link properties on hotspot device |
| self.log.info("Check IPv6 properties on the hotspot device. " |
| "Verizon & T-mobile should have IPv6 in link properties") |
| self._verify_ipv6_tethering(self.hotspot_device) |
| |
| # Connect the client to the SSID |
| wutils.wifi_connect(self.tethered_devices[0], self.network) |
| |
| # Need to wait atleast 2 seconds for IPv6 address to |
| # show up in the link properties |
| time.sleep(WAIT_TIME) |
| |
| # Verify link properties on tethered device |
| self.log.info("Check IPv6 properties on the tethered device. " |
| "Device should have IPv6 if carrier is Verizon") |
| self._verify_ipv6_tethering(self.tethered_devices[0]) |
| |
| # Verify ping6 on tethered device |
| ping_result = self._verify_ping(self.tethered_devices[0], |
| wutils.DEFAULT_PING_ADDR, True) |
| if self._supports_ipv6_tethering(self.hotspot_device): |
| asserts.assert_true(ping_result, "Ping6 failed on the client") |
| else: |
| asserts.assert_true(not ping_result, "Ping6 failed as expected") |
| |
| # Disable mobile data on hotspot device |
| # and verify the link properties on tethered device |
| self.log.info("Disabling mobile data to verify ipv6 default route") |
| self.hotspot_device.droid.telephonyToggleDataConnection(False) |
| asserts.assert_equal( |
| self.hotspot_device.droid.telephonyGetDataConnectionState(), |
| tel_defines.DATA_STATE_CONNECTED, |
| "Could not disable cell data") |
| |
| time.sleep(WAIT_TIME) # wait until the IPv6 is removed from link properties |
| |
| result = self._find_ipv6_default_route(self.tethered_devices[0]) |
| self.hotspot_device.droid.telephonyToggleDataConnection(True) |
| if result: |
| asserts.fail("Found IPv6 default route in link properties:Data off") |
| self.log.info("Did not find IPv6 address in link properties") |
| |
| # Disable wifi tethering |
| wutils.stop_wifi_tethering(self.hotspot_device) |
| |
| @test_tracker_info(uuid="110b61d1-8af2-4589-8413-11beac7a3025") |
| def wifi_tethering_2ghz_traffic_between_2tethered_devices(self): |
| """ Steps: |
| |
| 1. Start wifi hotspot with 2G band |
| 2. Connect 2 tethered devices to the hotspot device |
| 3. Ping interfaces between the tethered devices |
| """ |
| wutils.toggle_wifi_off_and_on(self.hotspot_device) |
| self._start_wifi_tethering(WIFI_CONFIG_APBAND_2G) |
| self._test_traffic_between_two_tethered_devices(self.tethered_devices[0], |
| self.tethered_devices[1]) |
| wutils.stop_wifi_tethering(self.hotspot_device) |
| |
| @test_tracker_info(uuid="953f6e2e-27bd-4b73-85a6-d2eaa4e755d5") |
| def wifi_tethering_5ghz_traffic_between_2tethered_devices(self): |
| """ Steps: |
| |
| 1. Start wifi hotspot with 5ghz band |
| 2. Connect 2 tethered devices to the hotspot device |
| 3. Send traffic between the tethered devices |
| """ |
| wutils.toggle_wifi_off_and_on(self.hotspot_device) |
| self._start_wifi_tethering(WIFI_CONFIG_APBAND_5G) |
| self._test_traffic_between_two_tethered_devices(self.tethered_devices[0], |
| self.tethered_devices[1]) |
| wutils.stop_wifi_tethering(self.hotspot_device) |
| |
| @test_tracker_info(uuid="d7d5aa51-682d-4882-a334-61966d93b68c") |
| def test_wifi_tethering_2ghz_connect_disconnect_devices(self): |
| """ Steps: |
| |
| 1. Start wifi hotspot with 2ghz band |
| 2. Connect and disconnect multiple devices randomly |
| 3. Verify the correct functionality |
| """ |
| wutils.toggle_wifi_off_and_on(self.hotspot_device) |
| self._start_wifi_tethering(WIFI_CONFIG_APBAND_2G) |
| self._connect_disconnect_devices() |
| wutils.stop_wifi_tethering(self.hotspot_device) |
| |
| @test_tracker_info(uuid="34abd6c9-c7f1-4d89-aa2b-a66aeabed9aa") |
| def test_wifi_tethering_5ghz_connect_disconnect_devices(self): |
| """ Steps: |
| |
| 1. Start wifi hotspot with 5ghz band |
| 2. Connect and disconnect multiple devices randomly |
| 3. Verify the correct functionality |
| """ |
| wutils.toggle_wifi_off_and_on(self.hotspot_device) |
| self._start_wifi_tethering(WIFI_CONFIG_APBAND_5G) |
| self._connect_disconnect_devices() |
| wutils.stop_wifi_tethering(self.hotspot_device) |
| |
| @test_tracker_info(uuid="7edfb220-37f8-42ea-8d7c-39712fbe9be5") |
| def test_wifi_tethering_2ghz_ping_hotspot_interfaces(self): |
| """ Steps: |
| |
| 1. Start wifi hotspot with 2ghz band |
| 2. Connect tethered device to hotspot device |
| 3. Ping 'wlan0' and 'rmnet_data' interface's IPv4 |
| and IPv6 interfaces on hotspot device from tethered device |
| """ |
| wutils.toggle_wifi_off_and_on(self.hotspot_device) |
| self._start_wifi_tethering(WIFI_CONFIG_APBAND_2G) |
| wutils.wifi_connect(self.tethered_devices[0], self.network) |
| result = self._ping_hotspot_interfaces_from_tethered_device( |
| self.tethered_devices[0]) |
| wutils.stop_wifi_tethering(self.hotspot_device) |
| return result |
| |
| @test_tracker_info(uuid="17e450f4-795f-4e67-adab-984940dffedc") |
| def test_wifi_tethering_5ghz_ping_hotspot_interfaces(self): |
| """ Steps: |
| |
| 1. Start wifi hotspot with 5ghz band |
| 2. Connect tethered device to hotspot device |
| 3. Ping 'wlan0' and 'rmnet_data' interface's IPv4 |
| and IPv6 interfaces on hotspot device from tethered device |
| """ |
| wutils.toggle_wifi_off_and_on(self.hotspot_device) |
| self._start_wifi_tethering(WIFI_CONFIG_APBAND_5G) |
| wutils.wifi_connect(self.tethered_devices[0], self.network) |
| result = self._ping_hotspot_interfaces_from_tethered_device( |
| self.tethered_devices[0]) |
| wutils.stop_wifi_tethering(self.hotspot_device) |
| return result |
| |
| @test_tracker_info(uuid="d4e18031-0af0-4b29-a574-8707cd4029b7") |
| def test_wifi_tethering_verify_received_bytes(self): |
| """ Steps: |
| |
| 1. Start wifi hotspot and connect tethered device to it |
| 2. Get the data usage on hotspot device |
| 3. Download data on tethered device |
| 4. Get the new data usage on hotspot device |
| 5. Verify that hotspot device's data usage |
| increased by downloaded file size |
| """ |
| wutils.toggle_wifi_off_and_on(self.hotspot_device) |
| dut = self.hotspot_device |
| self._start_wifi_tethering() |
| wutils.wifi_connect(self.tethered_devices[0], self.network) |
| subscriber_id = dut.droid.telephonyGetSubscriberId() |
| |
| # get data usage limit |
| end_time = int(time.time() * 1000) |
| bytes_before_download = dut.droid.connectivityGetRxBytesForDevice( |
| subscriber_id, 0, end_time) |
| self.log.info("Data usage before download: %s MB" % |
| (bytes_before_download/self.convert_byte_to_mb)) |
| |
| # download file |
| self.log.info("Download file of size %sMB" % self.file_size) |
| http_file_download_by_chrome(self.tethered_devices[0], |
| self.download_file) |
| |
| # get data usage limit after download |
| end_time = int(time.time() * 1000) |
| bytes_after_download = dut.droid.connectivityGetRxBytesForDevice( |
| subscriber_id, 0, end_time) |
| self.log.info("Data usage after download: %s MB" % |
| (bytes_after_download/self.convert_byte_to_mb)) |
| |
| bytes_diff = bytes_after_download - bytes_before_download |
| wutils.stop_wifi_tethering(self.hotspot_device) |
| |
| # verify data usage update is correct |
| bytes_used = bytes_diff/self.convert_byte_to_mb |
| self.log.info("Data usage on the device increased by %s" % bytes_used) |
| return bytes_used > self.file_size \ |
| and bytes_used < self.file_size + self.data_usage_error |
| |
| @test_tracker_info(uuid="07a00c96-4770-44a1-a9db-b3d02d6a12b6") |
| def test_wifi_tethering_data_usage_limit(self): |
| """ Steps: |
| |
| 1. Set the data usage limit to current data usage + 10MB |
| 2. Start wifi tethering and connect a dut to the SSID |
| 3. Download 20MB data on tethered device |
| a. file download should stop |
| b. tethered device will lose internet connectivity |
| c. data usage limit reached message should be displayed |
| on the hotspot device |
| 4. Verify data usage limit |
| """ |
| wutils.toggle_wifi_off_and_on(self.hotspot_device) |
| dut = self.hotspot_device |
| data_usage_inc = 10 * self.convert_byte_to_mb |
| subscriber_id = dut.droid.telephonyGetSubscriberId() |
| |
| self._start_wifi_tethering() |
| wutils.wifi_connect(self.tethered_devices[0], self.network) |
| |
| # get current data usage |
| end_time = int(time.time() * 1000) |
| old_data_usage = dut.droid.connectivityQuerySummaryForDevice( |
| subscriber_id, 0, end_time) |
| |
| # set data usage limit to current usage limit + 10MB |
| dut.droid.connectivitySetDataUsageLimit( |
| subscriber_id, str(int(old_data_usage + data_usage_inc))) |
| |
| # download file - size 20MB |
| http_file_download_by_chrome(self.tethered_devices[0], |
| self.download_file, |
| timeout=120) |
| end_time = int(time.time() * 1000) |
| new_data_usage = dut.droid.connectivityQuerySummaryForDevice( |
| subscriber_id, 0, end_time) |
| |
| # test network connectivity on tethered device |
| asserts.assert_true( |
| not wutils.validate_connection(self.tethered_devices[0]), |
| "Tethered device has internet connectivity after data usage" |
| "limit is reached on hotspot device") |
| dut.droid.connectivityFactoryResetNetworkPolicies(subscriber_id) |
| wutils.stop_wifi_tethering(self.hotspot_device) |
| |
| old_data_usage = (old_data_usage+data_usage_inc)/self.convert_byte_to_mb |
| new_data_usage = new_data_usage/self.convert_byte_to_mb |
| self.log.info("Expected data usage: %s MB" % old_data_usage) |
| self.log.info("Actual data usage: %s MB" % new_data_usage) |
| |
| return (new_data_usage-old_data_usage) < self.data_usage_error |
| |
| @test_tracker_info(uuid="2bc344cb-0277-4f06-b6cc-65b3972086ed") |
| def test_change_wifi_hotspot_ssid_when_hotspot_enabled(self): |
| """ Steps: |
| |
| 1. Start wifi tethering |
| 2. Verify wifi Ap configuration |
| 3. Change the SSID of the wifi hotspot while hotspot is on |
| 4. Verify the new SSID in wifi ap configuration |
| 5. Restart tethering and verify that the tethered device is able |
| to connect to the new SSID |
| """ |
| wutils.toggle_wifi_off_and_on(self.hotspot_device) |
| dut = self.hotspot_device |
| |
| # start tethering and verify the wifi ap configuration settings |
| self._start_wifi_tethering() |
| wifi_ap = dut.droid.wifiGetApConfiguration() |
| asserts.assert_true( |
| wifi_ap[wutils.WifiEnums.SSID_KEY] == \ |
| self.network[wutils.WifiEnums.SSID_KEY], |
| "Configured wifi hotspot SSID did not match with the expected SSID") |
| wutils.wifi_connect(self.tethered_devices[0], self.network) |
| |
| # update the wifi ap configuration with new ssid |
| config = {wutils.WifiEnums.SSID_KEY: self.new_ssid} |
| config[wutils.WifiEnums.PWD_KEY] = self.network[wutils.WifiEnums.PWD_KEY] |
| config[wutils.WifiEnums.APBAND_KEY] = WIFI_CONFIG_APBAND_2G |
| asserts.assert_true( |
| dut.droid.wifiSetWifiApConfiguration(config), |
| "Failed to update WifiAp Configuration") |
| wifi_ap = dut.droid.wifiGetApConfiguration() |
| asserts.assert_true( |
| wifi_ap[wutils.WifiEnums.SSID_KEY] == self.new_ssid, |
| "Configured wifi hotspot SSID does not match with the expected SSID") |
| |
| # start wifi tethering with new wifi ap configuration |
| wutils.stop_wifi_tethering(dut) |
| dut.droid.wifiStartTrackingTetherStateChange() |
| dut.droid.connectivityStartTethering(tel_defines.TETHERING_WIFI, False) |
| try: |
| dut.ed.pop_event("ConnectivityManagerOnTetheringStarted") |
| dut.ed.wait_for_event("TetherStateChanged", |
| lambda x: x["data"]["ACTIVE_TETHER"], 30) |
| except: |
| asserts.fail("Didn't receive wifi tethering starting confirmation") |
| dut.droid.wifiStopTrackingTetherStateChange() |
| |
| # verify dut can connect to new wifi ap configuration |
| new_network = {wutils.WifiEnums.SSID_KEY: self.new_ssid, |
| wutils.WifiEnums.PWD_KEY: \ |
| self.network[wutils.WifiEnums.PWD_KEY]} |
| wutils.wifi_connect(self.tethered_devices[0], new_network) |
| wutils.stop_wifi_tethering(self.hotspot_device) |