Girish Moturu | f72690e | 2017-02-14 15:19:53 -0800 | [diff] [blame^] | 1 | # |
| 2 | # Copyright 2017 - The Android Open Source Project |
| 3 | # |
| 4 | # Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | # you may not use this file except in compliance with the License. |
| 6 | # You may obtain a copy of the License at |
| 7 | # |
| 8 | # http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | # |
| 10 | # Unless required by applicable law or agreed to in writing, software |
| 11 | # distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | # See the License for the specific language governing permissions and |
| 14 | # limitations under the License. |
| 15 | |
| 16 | import logging |
| 17 | import time |
| 18 | import socket |
| 19 | |
| 20 | from acts import asserts |
| 21 | from acts import base_test |
| 22 | from acts import test_runner |
| 23 | from acts.controllers import adb |
| 24 | from acts.test_utils.tel import tel_data_utils |
| 25 | from acts.test_utils.tel import tel_test_utils |
| 26 | from acts.test_utils.tel import tel_defines |
| 27 | from acts.test_utils.wifi import wifi_test_utils |
| 28 | |
| 29 | |
| 30 | class WifiTetheringTest(base_test.BaseTestClass): |
| 31 | """ Tests for Wifi Tethering """ |
| 32 | |
| 33 | def setup_class(self): |
| 34 | """ Setup devices for tethering and unpack params """ |
| 35 | self.hotspot_device, self.tethered_device = self.android_devices[:2] |
| 36 | req_params = ("ssid", "password", "url") |
| 37 | self.unpack_userparams(req_params) |
| 38 | asserts.assert_true( |
| 39 | tel_data_utils.toggle_airplane_mode(self.log, self.hotspot_device, False), |
| 40 | "Could not disable airplane mode") |
| 41 | wifi_test_utils.wifi_toggle_state(self.hotspot_device, False) |
| 42 | self.hotspot_device.droid.telephonyToggleDataConnection(True) |
| 43 | tel_data_utils.wait_for_cell_data_connection(self.log, self.hotspot_device, True) |
| 44 | asserts.assert_true( |
| 45 | tel_data_utils.verify_http_connection(self.log, self.hotspot_device), |
| 46 | "HTTP verification failed on cell data connection") |
| 47 | asserts.assert_true( |
| 48 | self.hotspot_device.droid.connectivityIsTetheringSupported(), |
| 49 | "Tethering is not supported for the provider") |
| 50 | wifi_test_utils.wifi_test_device_init(self.tethered_device) |
| 51 | self.tethered_device.droid.telephonyToggleDataConnection(False) |
| 52 | |
| 53 | def teardown_class(self): |
| 54 | """ Reset devices """ |
| 55 | wifi_test_utils.wifi_toggle_state(self.hotspot_device, True) |
| 56 | self.hotspot_device.droid.telephonyToggleDataConnection(True) |
| 57 | self.tethered_device.droid.telephonyToggleDataConnection(True) |
| 58 | |
| 59 | """ Helper functions """ |
| 60 | |
| 61 | def _is_ipaddress_ipv6(self,ip_address): |
| 62 | """ Verify if the given string is a valid IPv6 address |
| 63 | |
| 64 | Args: |
| 65 | 1. string which contains the IP address |
| 66 | |
| 67 | Returns: |
| 68 | True: if valid ipv6 address |
| 69 | False: if not |
| 70 | """ |
| 71 | try: |
| 72 | socket.inet_pton(socket.AF_INET6, ip_address) |
| 73 | return True |
| 74 | except socket.error: |
| 75 | return False |
| 76 | |
| 77 | def _supports_ipv6_tethering(self, dut): |
| 78 | """ Check if provider supports IPv6 tethering. |
| 79 | Currently, only Verizon supports IPv6 tethering |
| 80 | |
| 81 | Returns: |
| 82 | True: if provider supports IPv6 tethering |
| 83 | False: if not |
| 84 | """ |
| 85 | # Currently only Verizon support IPv6 tethering |
| 86 | carrier_supports_tethering = ["vzw"] |
| 87 | operator = tel_test_utils.get_operator_name(self.log, dut) |
| 88 | return operator in carrier_supports_tethering |
| 89 | |
| 90 | def _find_ipv6_default_route(self, dut): |
| 91 | """ Checks if IPv6 default route exists in the link properites |
| 92 | |
| 93 | Returns: |
| 94 | True: if default route found |
| 95 | False: if not |
| 96 | """ |
| 97 | default_route_substr = "::/0 -> " |
| 98 | link_properties = dut.droid.connectivityGetActiveLinkProperties() |
| 99 | return link_properties and default_route_substr in link_properties |
| 100 | |
| 101 | def _verify_ipv6_tethering(self,dut): |
| 102 | """ Verify IPv6 tethering """ |
| 103 | http_response = dut.droid.httpRequestString(self.url) |
| 104 | link_properties = dut.droid.connectivityGetActiveLinkProperties() |
| 105 | self.log.info("IP address %s " % http_response) |
| 106 | if dut==self.hotspot_device or self._supports_ipv6_tethering(self.hotspot_device): |
| 107 | asserts.assert_true(self._is_ipaddress_ipv6(http_response), |
| 108 | "The http response did not return IPv6 address") |
| 109 | asserts.assert_true(link_properties and http_response in link_properties, |
| 110 | "Could not find IPv6 address in link properties") |
| 111 | asserts.assert_true(self._find_ipv6_default_route(dut), |
| 112 | "Could not find IPv6 default route in link properties") |
| 113 | else: |
| 114 | asserts.assert_true(not self._find_ipv6_default_route(dut), |
| 115 | "Found IPv6 default route in link properties") |
| 116 | |
| 117 | |
| 118 | """ Test Cases """ |
| 119 | |
| 120 | def test_ipv6_tethering(self): |
| 121 | """ IPv6 tethering test |
| 122 | |
| 123 | Steps: |
| 124 | 1. Start wifi tethering on provider |
| 125 | 2. Client connects to wifi tethering SSID |
| 126 | 3. Verify IPv6 address on the client's link properties |
| 127 | 4. Verify ping on client using ping6 which should pass |
| 128 | 5. Disable mobile data on provider and verify that link properties |
| 129 | does not have IPv6 address and default route |
| 130 | """ |
| 131 | # Start wifi tethering on the hotspot device |
| 132 | self.log.info("Start tethering on provider: {}" |
| 133 | .format(self.hotspot_device.serial)) |
| 134 | wifi_test_utils.start_wifi_tethering(self.hotspot_device, |
| 135 | self.ssid, |
| 136 | self.password) |
| 137 | time.sleep(tel_defines.WAIT_TIME_ANDROID_STATE_SETTLING) |
| 138 | asserts.assert_true( |
| 139 | tel_data_utils.verify_http_connection(self.log,self.hotspot_device), |
| 140 | "Could not verify http connection on the provider") |
| 141 | |
| 142 | # Verify link properties on hotspot device |
| 143 | self.log.info("Check IPv6 properties on the hotspot device") |
| 144 | self._verify_ipv6_tethering(self.hotspot_device) |
| 145 | |
| 146 | # Connect the client to the SSID |
| 147 | asserts.assert_true( |
| 148 | tel_test_utils.WifiUtils.wifi_connect(self.log, |
| 149 | self.tethered_device, |
| 150 | self.ssid, |
| 151 | self.password), |
| 152 | "Unable to connect to the hotspot SSID") |
| 153 | |
| 154 | # Need to wait atleast 2 seconds for IPv6 address to |
| 155 | # show up in the link properties |
| 156 | time.sleep(2) |
| 157 | |
| 158 | # Verify link properties on tethered device |
| 159 | self.log.info("Check IPv6 properties on the tethered device") |
| 160 | self._verify_ipv6_tethering(self.tethered_device) |
| 161 | |
| 162 | # Verify ping6 on tethered device |
| 163 | ping_result = self.tethered_device.droid.pingHost("www.google.com", |
| 164 | 5, |
| 165 | "ping6") |
| 166 | if self._supports_ipv6_tethering(self.hotspot_device): |
| 167 | asserts.assert_true(ping_result, "Ping6 failed on the client") |
| 168 | else: |
| 169 | asserts.assert_true(not ping_result, "Ping6 failed as expected") |
| 170 | |
| 171 | # Disable mobile data on hotspot device |
| 172 | # and verify the link properties on tethered device |
| 173 | self.log.info("Disabling mobile data on hotspot device") |
| 174 | self.hotspot_device.droid.telephonyToggleDataConnection(False) |
| 175 | asserts.assert_equal(self.hotspot_device.droid.telephonyGetDataConnectionState(), |
| 176 | tel_defines.DATA_STATE_CONNECTED, |
| 177 | "Could not disable cell data") |
| 178 | time.sleep(2) # wait until the IPv6 is removed from link properties |
| 179 | asserts.assert_true(not self._find_ipv6_default_route(self.tethered_device), |
| 180 | "Found IPv6 default route in link properties - Data off") |