| # Copyright 2019 The Chromium OS Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| """ |
| Server side bluetooth tests on adapter pairing and connecting to a bluetooth |
| HID device. |
| """ |
| |
| import logging |
| import time |
| |
| from autotest_lib.server.cros.bluetooth import bluetooth_adapter_tests |
| |
| |
| class BluetoothAdapterPairingTests( |
| bluetooth_adapter_tests.BluetoothAdapterTests): |
| """Server side bluetooth adapter pairing and connecting to bluetooth device |
| |
| This test tries to verify that the adapter of the DUT could |
| pair and connect to a bluetooth HID device correctly. |
| |
| In particular, the following subtests are performed. Look at the |
| docstrings of the subtests for more details. |
| - |
| |
| Refer to BluetoothAdapterTests for all subtests performed in this test. |
| |
| """ |
| |
| # TODO(josephsih): Reduce the sleep intervals to speed up the tests. |
| PAIR_TEST_SLEEP_SECS = 5 |
| |
| def pairing_test(self, device, check_connected_method=lambda device: True, |
| pairing_twice=False, suspend_resume=False, reboot=False): |
| """Running Bluetooth adapter tests about pairing to a device.""" |
| |
| # Reset the adapter to forget previously paired devices if any. |
| self.test_reset_on_adapter() |
| |
| # The adapter must be set to the pairable state. |
| self.test_pairable() |
| |
| # Test if the adapter could discover the target device. |
| time.sleep(self.PAIR_TEST_SLEEP_SECS) |
| self.test_discover_device(device.address) |
| |
| # Test if the discovered device class of service is correct. |
| self.test_device_class_of_service(device.address, |
| device.class_of_service) |
| |
| # Test if the discovered device class of device is correct. |
| self.test_device_class_of_device(device.address, |
| device.class_of_device) |
| |
| # Verify that the adapter could pair with the device. |
| # Also set the device trusted when pairing is done. |
| # Device will be connected at the end of pairing. |
| self.test_pairing(device.address, device.pin, trusted=True) |
| |
| # Test if the discovered device name is correct. |
| # Sometimes, it takes quite a long time after discovering |
| # the device (more than 60 seconds) to resolve the device name. |
| # Hence, it is safer to test the device name after pairing and |
| # connection is done. |
| self.test_device_name(device.address, device.name) |
| |
| # Test if the device is still connected after suspend/resume. |
| if suspend_resume: |
| self.suspend_resume() |
| |
| time.sleep(self.PAIR_TEST_SLEEP_SECS) |
| self.test_device_is_paired(device.address) |
| |
| |
| # check if peripheral is connected after suspend resume |
| if not self.ignore_failure(check_connected_method, device): |
| logging.info("device not connected after suspend_resume") |
| self.test_connection_by_device(device) |
| else: |
| logging.info("device remains connected after suspend_resume") |
| |
| time.sleep(self.PAIR_TEST_SLEEP_SECS) |
| check_connected_method(device) |
| |
| time.sleep(self.PAIR_TEST_SLEEP_SECS) |
| self.test_device_name(device.address, device.name) |
| |
| # Test if the device is still connected after reboot. |
| # if reboot: |
| # self.host.reboot() |
| |
| # time.sleep(self.PAIR_TEST_SLEEP_SECS) |
| # self.test_device_is_paired(device.address) |
| |
| # # After a reboot, we need to wake the peripheral |
| # # as it is not connected. |
| # time.sleep(self.PAIR_TEST_SLEEP_SECS) |
| # self.test_connection_by_adapter(device.address) |
| |
| # time.sleep(self.PAIR_TEST_SLEEP_SECS) |
| # self.test_device_is_connected(device.address) |
| |
| # time.sleep(self.PAIR_TEST_SLEEP_SECS) |
| # self.test_device_name(device.address, device.name) |
| |
| # Verify that the adapter could disconnect the device. |
| self.test_disconnection_by_adapter(device.address) |
| |
| time.sleep(self.PAIR_TEST_SLEEP_SECS) |
| if device.can_init_connection: |
| # Verify that the device could initiate the connection. |
| self.test_connection_by_device(device) |
| |
| # With raspberry pi peer, it takes a moment before the device is |
| # registered as an input device. Without delay, the input recorder |
| # doesn't find the device |
| time.sleep(1) |
| check_connected_method(device) |
| else: |
| # Reconnect so that we can test disconnection from the kit |
| self.test_connection_by_adapter(device.address) |
| |
| # TODO(alent): Needs a new capability, but this is a good proxy |
| if device.can_init_connection: |
| # Verify that the device could initiate the disconnection. |
| self.test_disconnection_by_device(device) |
| else: |
| # Reconnect so that we can test disconnection from the kit |
| self.test_disconnection_by_adapter(device.address) |
| |
| # Verify that the adapter could remove the paired device. |
| self.test_remove_pairing(device.address) |
| |
| # Check if the device could be re-paired after being forgotten. |
| if pairing_twice: |
| # Test if the adapter could discover the target device again. |
| time.sleep(self.PAIR_TEST_SLEEP_SECS) |
| self.test_discover_device(device.address) |
| |
| # Verify that the adapter could pair with the device again. |
| # Also set the device trusted when pairing is done. |
| time.sleep(self.PAIR_TEST_SLEEP_SECS) |
| self.test_pairing(device.address, device.pin, trusted=True) |
| |
| # Verify that the adapter could remove the paired device again. |
| time.sleep(self.PAIR_TEST_SLEEP_SECS) |
| self.test_remove_pairing(device.address) |
| |
| |
| def connect_disconnect_loop(self, device, loops): |
| """Perform a connect disconnect loop test""" |
| |
| # First pair and disconnect, to emulate real life scenario |
| self.test_discover_device(device.address) |
| # self.bluetooth_facade.is_discovering() doesn't work as expected: |
| # crbug:905374 |
| # self.test_stop_discovery() |
| time.sleep(self.PAIR_TEST_SLEEP_SECS) |
| self.test_pairing(device.address, device.pin, trusted=True) |
| |
| # Verify device is now connected |
| self.test_device_is_connected(device.address) |
| self.test_hid_device_created(device.address) |
| |
| # Disconnect the device |
| self.test_disconnection_by_adapter(device.address) |
| total_duration_by_adapter = 0 |
| loop_cnt = 0 |
| for i in xrange(0, loops): |
| |
| # Verify device didn't connect automatically |
| time.sleep(2) |
| self.test_device_is_not_connected(device.address) |
| |
| start_time = time.time() |
| self.test_connection_by_adapter(device.address) |
| end_time = time.time() |
| time_diff = end_time - start_time |
| |
| # Verify device is now connected |
| self.test_device_is_connected(device.address) |
| self.test_hid_device_created(device.address) |
| |
| self.test_disconnection_by_adapter(device.address) |
| |
| if not bool(self.fails): |
| loop_cnt += 1 |
| total_duration_by_adapter += time_diff |
| logging.info('%d: Connection establishment duration %f sec', |
| i, time_diff) |
| else: |
| break |
| |
| if not bool(self.fails): |
| logging.info('Average duration (by adapter) %f sec', |
| total_duration_by_adapter/loop_cnt) |
| |
| |
| def auto_reconnect_loop(self, device, loops, |
| check_connected_method=lambda device: True): |
| """Running a loop to verify the paired peer can auto reconnect""" |
| |
| # Let the adapter pair, and connect to the target device first |
| self.test_discover_device(device.address) |
| # self.bluetooth_facade.is_discovering() doesn't work as expected: |
| # crbug:905374 |
| # self.test_stop_discovery() |
| time.sleep(self.PAIR_TEST_SLEEP_SECS) |
| self.test_pairing(device.address, device.pin, trusted=True) |
| time.sleep(self.PAIR_TEST_SLEEP_SECS) |
| self.test_connection_by_adapter(device.address) |
| |
| total_reconnection_duration = 0 |
| loop_cnt = 0 |
| for i in xrange(loops): |
| # Restart and clear peer HID device |
| self.restart_peers() |
| start_time = time.time() |
| |
| # Verify that the device is reconnecting |
| self.test_device_is_connected(device.address) |
| |
| # With raspberry pi peer, it takes a moment before the device is |
| # registered as an input device. Without delay, the input recorder |
| # doesn't find the device |
| time.sleep(1) |
| check_connected_method(device) |
| end_time = time.time() |
| time_diff = end_time - start_time |
| |
| if not bool(self.fails): |
| total_reconnection_duration += time_diff |
| loop_cnt += 1 |
| logging.info('%d: Reconnection duration %f sec', i, time_diff) |
| else: |
| break |
| |
| if not bool(self.fails): |
| logging.info('Average Reconnection duration %f sec', |
| total_reconnection_duration/loop_cnt) |