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
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
|
# Copyright 2013 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.
"""Unittests for reraiser_thread.py."""
import threading
import unittest
from devil.utils import reraiser_thread
from devil.utils import watchdog_timer
class TestException(Exception):
pass
class TestReraiserThread(unittest.TestCase):
"""Tests for reraiser_thread.ReraiserThread."""
def testNominal(self):
result = [None, None]
def f(a, b=None):
result[0] = a
result[1] = b
thread = reraiser_thread.ReraiserThread(f, [1], {'b': 2})
thread.start()
thread.join()
self.assertEqual(result[0], 1)
self.assertEqual(result[1], 2)
def testRaise(self):
def f():
raise TestException
thread = reraiser_thread.ReraiserThread(f)
thread.start()
thread.join()
with self.assertRaises(TestException):
thread.ReraiseIfException()
class TestReraiserThreadGroup(unittest.TestCase):
"""Tests for reraiser_thread.ReraiserThreadGroup."""
def testInit(self):
ran = [False] * 5
def f(i):
ran[i] = True
group = reraiser_thread.ReraiserThreadGroup(
[reraiser_thread.ReraiserThread(f, args=[i]) for i in range(5)])
group.StartAll()
group.JoinAll()
for v in ran:
self.assertTrue(v)
def testAdd(self):
ran = [False] * 5
def f(i):
ran[i] = True
group = reraiser_thread.ReraiserThreadGroup()
for i in xrange(5):
group.Add(reraiser_thread.ReraiserThread(f, args=[i]))
group.StartAll()
group.JoinAll()
for v in ran:
self.assertTrue(v)
def testJoinRaise(self):
def f():
raise TestException
group = reraiser_thread.ReraiserThreadGroup(
[reraiser_thread.ReraiserThread(f) for _ in xrange(5)])
group.StartAll()
with self.assertRaises(TestException):
group.JoinAll()
def testJoinTimeout(self):
def f():
pass
event = threading.Event()
def g():
event.wait()
group = reraiser_thread.ReraiserThreadGroup(
[reraiser_thread.ReraiserThread(g),
reraiser_thread.ReraiserThread(f)])
group.StartAll()
with self.assertRaises(reraiser_thread.TimeoutError):
group.JoinAll(watchdog_timer.WatchdogTimer(0.01))
event.set()
class TestRunAsync(unittest.TestCase):
"""Tests for reraiser_thread.RunAsync."""
def testNoArgs(self):
results = reraiser_thread.RunAsync([])
self.assertEqual([], results)
def testOneArg(self):
results = reraiser_thread.RunAsync([lambda: 1])
self.assertEqual([1], results)
def testTwoArgs(self):
a, b = reraiser_thread.RunAsync((lambda: 1, lambda: 2))
self.assertEqual(1, a)
self.assertEqual(2, b)
if __name__ == '__main__':
unittest.main()
|
