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Issue #21645: Add debug code to analyze a failure on FreeBSD 9

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This commit is contained in:
Victor Stinner 2014-07-14 21:29:23 +02:00
parent daded80283
commit 24f2a5093f
1 changed files with 33 additions and 17 deletions
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50
Lib/test/test_asyncio/test_streams.py
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@ -609,25 +609,41 @@ def test_read_all_from_pipe_reader(self):
rfd, wfd = os.pipe()
args = [sys.executable, '-c', code, str(wfd)]
pipe = open(rfd, 'rb', 0)
reader = asyncio.StreamReader(loop=self.loop, limit=1)
protocol = asyncio.StreamReaderProtocol(reader, loop=self.loop)
transport, _ = self.loop.run_until_complete(
self.loop.connect_read_pipe(lambda: protocol, pipe))
watcher = asyncio.SafeChildWatcher()
watcher.attach_loop(self.loop)
# FIXME: Debug code for issue #21645
import logging
self.loop.set_debug(True)
logger = logging.getLogger('asyncio')
log_level = logger.level
try:
asyncio.set_child_watcher(watcher)
proc = self.loop.run_until_complete(
asyncio.create_subprocess_exec(*args, pass_fds={wfd}, loop=self.loop))
self.loop.run_until_complete(proc.wait())
finally:
asyncio.set_child_watcher(None)
log_handler = logging.StreamHandler(sys.stderr)
logger.addHandler(log_handler)
logger.setLevel(logging.DEBUG)
# FIXME: Debug code for issue #21645 ---
os.close(wfd)
data = self.loop.run_until_complete(reader.read(-1))
self.assertEqual(data, b'data')
pipe = open(rfd, 'rb', 0)
reader = asyncio.StreamReader(loop=self.loop, limit=1)
protocol = asyncio.StreamReaderProtocol(reader, loop=self.loop)
transport, _ = self.loop.run_until_complete(
self.loop.connect_read_pipe(lambda: protocol, pipe))
watcher = asyncio.SafeChildWatcher()
watcher.attach_loop(self.loop)
try:
asyncio.set_child_watcher(watcher)
proc = self.loop.run_until_complete(
asyncio.create_subprocess_exec(*args, pass_fds={wfd}, loop=self.loop))
self.loop.run_until_complete(proc.wait())
finally:
asyncio.set_child_watcher(None)
os.close(wfd)
data = self.loop.run_until_complete(reader.read(-1))
self.assertEqual(data, b'data')
finally:
# FIXME: Debug code for issue #21645
logger.removeHandler(log_handler)
logger.setLevel(log_level)
# FIXME: Debug code for issue #21645 ---
if __name__ == '__main__':