| #/usr/bin/env python3.4 |
| # |
| # Copyright (C) 2016 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. |
| """ |
| This test script exercises background scan test scenarios. |
| """ |
| |
| from queue import Empty |
| |
| from acts.test_utils.bt.BluetoothBaseTest import BluetoothBaseTest |
| from acts.test_utils.bt.BleEnum import BluetoothAdapterState |
| from acts.test_utils.bt.bt_test_utils import bluetooth_off |
| from acts.test_utils.bt.bt_test_utils import bluetooth_on |
| from acts.test_utils.bt.bt_test_utils import cleanup_scanners_and_advertisers |
| from acts.test_utils.bt.bt_test_utils import log_energy_info |
| from acts.test_utils.bt.bt_test_utils import generate_ble_advertise_objects |
| from acts.test_utils.bt.bt_test_utils import generate_ble_scan_objects |
| from acts.test_utils.bt.bt_test_utils import scan_result |
| |
| |
| class BleBackgroundScanTest(BluetoothBaseTest): |
| default_timeout = 10 |
| max_scan_instances = 28 |
| report_delay = 2000 |
| scan_callbacks = [] |
| adv_callbacks = [] |
| active_scan_callback_list = [] |
| active_adv_callback_list = [] |
| |
| def __init__(self, controllers): |
| BluetoothBaseTest.__init__(self, controllers) |
| self.scn_ad = self.android_devices[0] |
| self.adv_ad = self.android_devices[1] |
| |
| def setup_test(self): |
| self.log.debug(log_energy_info(self.android_devices, "Start")) |
| if (self.scn_ad.droid.bluetoothGetLeState() == |
| BluetoothAdapterState.STATE_OFF.value): |
| self.scn_ad.droid.bluetoothEnableBLE() |
| self.scn_ad.ed.pop_event("BleStateChangedOn") |
| for a in self.android_devices: |
| a.ed.clear_all_events() |
| return True |
| |
| def teardown_test(self): |
| self.log.debug(log_energy_info(self.android_devices, "End")) |
| cleanup_scanners_and_advertisers( |
| self.scn_ad, self.active_adv_callback_list, self.adv_ad, |
| self.active_adv_callback_list) |
| self.active_adv_callback_list = [] |
| self.active_scan_callback_list = [] |
| |
| def _setup_generic_advertisement(self): |
| adv_callback, adv_data, adv_settings = generate_ble_advertise_objects( |
| self.adv_ad.droid) |
| self.adv_ad.droid.bleStartBleAdvertising(adv_callback, adv_data, |
| adv_settings) |
| self.active_adv_callback_list.append(adv_callback) |
| |
| def _verify_no_events_found(self, event_name): |
| try: |
| self.scn_ad.ed.pop_event(event_name, self.default_timeout) |
| self.log.error("Found an event when none was expected.") |
| return False |
| except Empty: |
| self.log.info("No scan result found as expected.") |
| return True |
| |
| @BluetoothBaseTest.bt_test_wrap |
| def test_background_scan(self): |
| """Test generic background scan. |
| |
| Tests LE background scan. The goal is to find scan results even though |
| Bluetooth is turned off. |
| |
| Steps: |
| 1. Setup an advertisement on dut1 |
| 2. Enable LE on the Bluetooth Adapter on dut0 |
| 3. Toggle BT off on dut1 |
| 4. Start a LE scan on dut0 |
| 5. Find the advertisement from dut1 |
| |
| Expected Result: |
| Find a advertisement from the scan instance. |
| |
| Returns: |
| Pass if True |
| Fail if False |
| |
| TAGS: LE, Advertising, Scanning, Background Scanning |
| Priority: 0 |
| """ |
| import time |
| self._setup_generic_advertisement() |
| self.scn_ad.droid.bluetoothToggleState(False) |
| try: |
| self.scn_ad.ed.pop_event(bluetooth_off, self.default_timeout) |
| except Empty: |
| self.log.error("Bluetooth Off event not found. Expected {}".format( |
| bluetooth_off)) |
| return False |
| self.scn_ad.droid.bluetoothDisableBLE() |
| try: |
| self.scn_ad.ed.pop_event(bluetooth_off, self.default_timeout) |
| except Empty: |
| self.log.error("Bluetooth Off event not found. Expected {}".format( |
| bluetooth_off)) |
| return False |
| self.scn_ad.droid.bluetoothEnableBLE() |
| try: |
| self.scn_ad.ed.pop_event(bluetooth_off, self.default_timeout*2) |
| except Empty: |
| self.log.error("Bluetooth On event not found. Expected {}".format( |
| bluetooth_on)) |
| return False |
| filter_list, scan_settings, scan_callback = generate_ble_scan_objects( |
| self.scn_ad.droid) |
| self.scn_ad.droid.bleStartBleScan(filter_list, scan_settings, |
| scan_callback) |
| expected_event = scan_result.format(scan_callback) |
| try: |
| self.scn_ad.ed.pop_event(expected_event, self.default_timeout) |
| except Empty: |
| self.log.error("Scan Result event not found. Expected {}".format(expected_event)) |
| return False |
| return True |
| |
| @BluetoothBaseTest.bt_test_wrap |
| def test_background_scan_ble_disabled(self): |
| """Test background LE scanning with LE disabled. |
| |
| Tests LE background scan. The goal is to find scan results even though |
| Bluetooth is turned off. |
| |
| Steps: |
| 1. Setup an advertisement on dut1 |
| 2. Enable LE on the Bluetooth Adapter on dut0 |
| 3. Toggle BT off on dut1 |
| 4. Start a LE scan on dut0 |
| 5. Find the advertisement from dut1 |
| |
| Expected Result: |
| Find a advertisement from the scan instance. |
| |
| Returns: |
| Pass if True |
| Fail if False |
| |
| TAGS: LE, Advertising, Scanning, Background Scanning |
| Priority: 0 |
| """ |
| self._setup_generic_advertisement() |
| self.scn_ad.droid.bluetoothEnableBLE() |
| self.scn_ad.droid.bluetoothToggleState(False) |
| try: |
| self.scn_ad.ed.pop_event(bluetooth_off, self.default_timeout) |
| except Empty: |
| self.log.error("Bluetooth Off event not found. Expected {}".format( |
| bluetooth_off)) |
| return False |
| filter_list, scan_settings, scan_callback = generate_ble_scan_objects( |
| self.scn_ad.droid) |
| try: |
| self.scn_ad.droid.bleStartBleScan(filter_list, scan_settings, |
| scan_callback) |
| expected_event = scan_result.format(scan_callback) |
| try: |
| self.scn_ad.ed.pop_event(expected_event, self.default_timeout) |
| except Empty: |
| self.log.error("Scan Result event not found. Expected {}".format(expected_event)) |
| return False |
| self.log.info("Was able to start background scan even though ble " |
| "was disabled.") |
| return False |
| except Exception: |
| self.log.info( |
| "Was not able to start a background scan as expected.") |
| return True |
