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import errno
import unittest
from .test_sslsocket import ServerAcceptor
from thrift.transport.TSocket import TServerSocket
from thrift.transport.TSocket import TSocket
from thrift.transport.TTransport import TTransportException
class TSocketTest(unittest.TestCase):
def test_isOpen_checks_for_readability(self):
# https://docs.python.org/3/library/socket.html#notes-on-socket-timeouts
# https://docs.python.org/3/library/socket.html#socket.socket.settimeout
timeouts = [
None, # blocking mode
0, # non-blocking mode
1.0, # timeout mode
]
for timeout in timeouts:
acc = ServerAcceptor(TServerSocket(port=0))
acc.start()
sock = TSocket(host="localhost", port=acc.port)
self.assertFalse(sock.isOpen())
sock.open()
sock.setTimeout(timeout)
# the socket shows as open immediately after connecting
self.assertTrue(sock.isOpen())
# and remains open during usage
sock.write(b"hello")
self.assertTrue(sock.isOpen())
while True:
try:
sock.read(5)
except TTransportException as exc:
if exc.inner.errno == errno.EAGAIN:
# try again when we're in non-blocking mode
continue
raise
break
self.assertTrue(sock.isOpen())
# once the server side closes, it no longer shows open
acc.client.close() # this also blocks until the other thread is done
acc.close()
self.assertFalse(sock.isOpen())
sock.close()
if __name__ == "__main__":
unittest.main()
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