1 # Copyright (C) 2016 The Android Open Source Project 2 # 3 # Licensed under the Apache License, Version 2.0 (the "License"); you may not 4 # use this file except in compliance with the License. You may obtain a copy of 5 # the License at 6 # 7 # http://www.apache.org/licenses/LICENSE-2.0 8 # 9 # Unless required by applicable law or agreed to in writing, software 10 # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 11 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 12 # License for the specific language governing permissions and limitations under 13 # the License. 14 import logging 15 import time 16 from google import protobuf 17 18 from acts import asserts 19 from acts.test_utils.bt.BtMetricsBaseTest import BtMetricsBaseTest 20 from acts.test_utils.bt.bt_test_utils import clear_bonded_devices 21 from acts.test_utils.bt.bt_test_utils import pair_pri_to_sec 22 from acts.test_utils.bt.bt_test_utils import reset_bluetooth 23 from acts.utils import get_current_epoch_time, sync_device_time 24 25 26 class BtMetricsTest(BtMetricsBaseTest): 27 def __init__(self, controllers): 28 BtMetricsBaseTest.__init__(self, controllers) 29 self.iterations = 1 30 31 def setup_class(self): 32 return super(BtMetricsTest, self).setup_class() 33 34 def setup_test(self): 35 # Reset bluetooth 36 reset_bluetooth(self.android_devices) 37 for ad in self.android_devices: 38 if not clear_bonded_devices(ad): 39 logging.error("Failed to unbound device") 40 return False 41 # Sync device time for timestamp comparison 42 sync_device_time(ad) 43 return super(BtMetricsTest, self).setup_test() 44 45 def test_pairing_metric(self): 46 """Test if a pairing event generates the correct metric entry 47 48 This test tries to pair two Bluetooth devices and dumps metrics after 49 pairing. A correctly implemented stack should record 8 pairing events. 50 51 Steps: 52 1. Start pairing between two Bluetooth devices 53 2. After pairing is done, dump and parse the metrics 54 3. Compare the number of pairing events and the time stamp of the 55 pairing event 56 57 Expected Result: 58 No errors, 8 pairing events should be generated 59 Returns: 60 Pass if True 61 Fail if False 62 63 TAGS: Classic 64 Priority: 1 65 """ 66 time_bonds = [] 67 for n in range(self.iterations): 68 start_time = get_current_epoch_time() 69 self.log.info("Pair bluetooth iteration {}.".format(n + 1)) 70 if (not pair_pri_to_sec( 71 self.android_devices[0], 72 self.android_devices[1], 73 attempts=1, 74 auto_confirm=False)): 75 self.log.error("Failed to bond devices.") 76 return False 77 end_time = get_current_epoch_time() 78 time_bonds.append((start_time, end_time)) 79 # A device bond will trigger a number of system routines that need 80 # to settle before unbond 81 time.sleep(2) 82 for ad in self.android_devices: 83 if not clear_bonded_devices(ad): 84 return False 85 # Necessary sleep time for entries to update unbonded state 86 time.sleep(2) 87 bonded_devices = ad.droid.bluetoothGetBondedDevices() 88 if len(bonded_devices) > 0: 89 self.log.error("Failed to unbond devices: {}".format( 90 bonded_devices)) 91 return False 92 end_time = get_current_epoch_time() 93 bluetooth_logs, bluetooth_logs_ascii = \ 94 self.collect_bluetooth_manager_metrics_logs( 95 [self.android_devices[0]]) 96 bluetooth_log = bluetooth_logs[0] 97 bluetooth_log_ascii = bluetooth_logs_ascii[0] 98 asserts.assert_equal( 99 len(bluetooth_log.pair_event), 8, extras=bluetooth_log_ascii) 100 for pair_event in bluetooth_log.pair_event: 101 t = pair_event.event_time_millis 102 asserts.assert_true(start_time <= t <= end_time, 103 "Event time %d not within limit [%d, %d]" % 104 (t, start_time, end_time)) 105 device_info = pair_event.device_paired_with 106 asserts.assert_true(device_info, "Device info is none") 107 asserts.assert_equal(device_info.device_type, self.android_devices[ 108 0].bluetooth_proto_module.DeviceInfo.DEVICE_TYPE_BREDR, 109 "Device type does not match") 110 111 def test_bluetooth_metrics_parsing(self): 112 """Test if metrics could be dumped and parsed 113 114 This test simply dumps Bluetooth metrics and print out the ASCII 115 representation 116 117 Steps: 118 1. For the first Android device, dump metrics 119 2. Parse and print metrics in INFO log using ASCII format 120 121 Expected Result: 122 No errors, metrics should be printed to INFO log 123 124 Returns: 125 Pass if True 126 Fail if False 127 128 TAGS: Classic 129 Priority: 1 130 """ 131 bluetooth_logs, bluetooth_logs_ascii = \ 132 self.collect_bluetooth_manager_metrics_logs( 133 [self.android_devices[0]]) 134 bluetooth_log = bluetooth_logs[0] 135 self.log.info(protobuf.text_format.MessageToString(bluetooth_log)) 136 return True 137
