1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
#!/usr/bin/env python
# Copyright 2017 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import os
import sys
import unittest
if __name__ == '__main__':
sys.path.append(
os.path.abspath(os.path.join(os.path.dirname(__file__), '..', '..', )))
from devil.android import crash_handler
from devil.android import device_errors
from devil.android import device_utils
from devil.android import device_temp_file
from devil.android import device_test_case
from devil.utils import cmd_helper
from devil.utils import reraiser_thread
from devil.utils import timeout_retry
class DeviceCrashTest(device_test_case.DeviceTestCase):
def setUp(self):
super(DeviceCrashTest, self).setUp()
self.device = device_utils.DeviceUtils(self.serial)
def testCrashDuringCommand(self):
self.device.EnableRoot()
with device_temp_file.DeviceTempFile(self.device.adb) as trigger_file:
trigger_text = 'hello world'
def victim():
trigger_cmd = 'echo -n %s > %s; sleep 20' % (
cmd_helper.SingleQuote(trigger_text),
cmd_helper.SingleQuote(trigger_file.name))
crash_handler.RetryOnSystemCrash(
lambda d: d.RunShellCommand(
trigger_cmd, shell=True, check_return=True, retries=1,
as_root=True, timeout=180),
device=self.device)
self.assertEquals(
trigger_text,
self.device.ReadFile(trigger_file.name, retries=0).strip())
return True
def crasher():
def ready_to_crash():
try:
return trigger_text == self.device.ReadFile(
trigger_file.name, retries=0).strip()
except device_errors.CommandFailedError:
return False
timeout_retry.WaitFor(ready_to_crash, wait_period=2, max_tries=10)
if not ready_to_crash():
return False
self.device.adb.Shell(
'echo c > /proc/sysrq-trigger',
expect_status=None, timeout=60, retries=0)
return True
self.assertEquals([True, True],
reraiser_thread.RunAsync([crasher, victim]))
if __name__ == '__main__':
device_test_case.PrepareDevices()
unittest.main()
|
