1#!/usr/bin/env python3.4
2#
3#   Copyright 2018 - The Android Open Source Project
4#
5#   Licensed under the Apache License, Version 2.0 (the "License");
6#   you may not use this file except in compliance with the License.
7#   You may obtain a copy of the License at
8#
9#       http://www.apache.org/licenses/LICENSE-2.0
10#
11#   Unless required by applicable law or agreed to in writing, software
12#   distributed under the License is distributed on an "AS IS" BASIS,
13#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14#   See the License for the specific language governing permissions and
15#   limitations under the License.
16
17import time
18import acts.test_utils.bt.BleEnum as bleenum
19import acts.test_utils.bt.bt_power_test_utils as btputils
20import acts.test_utils.power.PowerBTBaseTest as PBtBT
21
22BLE_LOCATION_SCAN_ENABLE = 'settings put secure location_mode 3'
23EXTRA_SCAN_TIME = 3
24SCAN_TAIL = 5
25
26
27class PowerBLEscanTest(PBtBT.PowerBTBaseTest):
28    def __init__(self, configs):
29        super().__init__(configs)
30        req_params = ['scan_modes']
31        self.unpack_userparams(req_params)
32
33        for scan_mode in self.scan_modes:
34            self.generate_test_case_no_devices_around(scan_mode)
35
36    def setup_class(self):
37
38        super().setup_class()
39        self.dut.adb.shell(BLE_LOCATION_SCAN_ENABLE)
40        # Make sure during power measurement, scan is always on
41        self.scan_duration = self.mon_info.duration + self.mon_offset + SCAN_TAIL + EXTRA_SCAN_TIME
42
43    def generate_test_case_no_devices_around(self, scan_mode):
44        def test_case_fn():
45
46            self.measure_ble_scan_power(scan_mode)
47
48        test_case_name = ('test_BLE_{}_no_advertisers'.format(
49            bleenum.ScanSettingsScanMode(scan_mode).name))
50        setattr(self, test_case_name, test_case_fn)
51
52    def measure_ble_scan_power(self, scan_mode):
53
54        btputils.start_apk_ble_scan(self.dut, scan_mode, self.scan_duration)
55        time.sleep(EXTRA_SCAN_TIME)
56        self.measure_power_and_validate()
57