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Issue #23799: Added test.support.start_threads() for running and cleaning up

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multiple threads.
This commit is contained in:
Serhiy Storchaka 2015-04-01 13:06:18 +03:00
commit c05e260ecb
9 changed files with 75 additions and 78 deletions
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26
Lib/test/test_io.py
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@ -1131,11 +1131,8 @@ class BufferedReaderTest(unittest.TestCase, CommonBufferedTests):
errors.append(e)
raise
threads = [threading.Thread(target=f) for x in range(20)]
for t in threads:
t.start()
time.sleep(0.02) # yield
for t in threads:
t.join()
with support.start_threads(threads):
time.sleep(0.02) # yield
self.assertFalse(errors,
"the following exceptions were caught: %r" % errors)
s = b''.join(results)
@ -1454,11 +1451,8 @@ class BufferedWriterTest(unittest.TestCase, CommonBufferedTests):
errors.append(e)
raise
threads = [threading.Thread(target=f) for x in range(20)]
for t in threads:
t.start()
time.sleep(0.02) # yield
for t in threads:
t.join()
with support.start_threads(threads):
time.sleep(0.02) # yield
self.assertFalse(errors,
"the following exceptions were caught: %r" % errors)
bufio.close()
@ -2752,14 +2746,10 @@ class TextIOWrapperTest(unittest.TestCase):
text = "Thread%03d\n" % n
event.wait()
f.write(text)
threads = [threading.Thread(target=lambda n=x: run(n))
threads = [threading.Thread(target=run, args=(x,))
for x in range(20)]
for t in threads:
t.start()
time.sleep(0.02)
event.set()
for t in threads:
t.join()
with support.start_threads(threads, event.set):
time.sleep(0.02)
with self.open(support.TESTFN) as f:
content = f.read()
for n in range(20):
@ -3493,7 +3483,7 @@ class SignalsTest(unittest.TestCase):
self.assertRaises(ZeroDivisionError, wio.write, large_data)
finally:
signal.alarm(0)
t.join()
t.join()
# We got one byte, get another one and check that it isn't a
# repeat of the first one.
read_results.append(os.read(r, 1))