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
|
from test import support
import unittest
import dummy_threading as _threading
import time
class DummyThreadingTestCase(unittest.TestCase):
class TestThread(_threading.Thread):
def run(self):
global running
global sema
global mutex
# Uncomment if testing another module, such as the real 'threading'
# module.
#delay = random.random() * 2
delay = 0
if support.verbose:
print('task', self.name, 'will run for', delay, 'sec')
sema.acquire()
mutex.acquire()
running += 1
if support.verbose:
print(running, 'tasks are running')
mutex.release()
time.sleep(delay)
if support.verbose:
print('task', self.name, 'done')
mutex.acquire()
running -= 1
if support.verbose:
print(self.name, 'is finished.', running, 'tasks are running')
mutex.release()
sema.release()
def setUp(self):
self.numtasks = 10
global sema
sema = _threading.BoundedSemaphore(value=3)
global mutex
mutex = _threading.RLock()
global running
running = 0
self.threads = []
def test_tasks(self):
for i in range(self.numtasks):
t = self.TestThread(name="<thread %d>"%i)
self.threads.append(t)
t.start()
if support.verbose:
print('waiting for all tasks to complete')
for t in self.threads:
t.join()
if support.verbose:
print('all tasks done')
def test_main():
support.run_unittest(DummyThreadingTestCase)
if __name__ == '__main__':
test_main()
|
