def test_connectionLostOnlyAfterUnderlyingCloses(self):
"""
The user protocol's connectionLost is only called when transport
underlying TLS is disconnected.
"""
class LostProtocol(Protocol):
disconnected = None
def connectionLost(self, reason):
self.disconnected = reason
wrapperFactory = TLSMemoryBIOFactory(ClientContextFactory(),
True, ClientFactory())
protocol = LostProtocol()
tlsProtocol = TLSMemoryBIOProtocol(wrapperFactory, protocol)
transport = StringTransport()
tlsProtocol.makeConnection(transport)
# Pretend TLS shutdown finished cleanly; the underlying transport
# should be told to close, but the user protocol should not yet be
# notified:
tlsProtocol._tlsShutdownFinished(None)
self.assertEqual(transport.disconnecting, True)
self.assertEqual(protocol.disconnected, None)
# Now close the underlying connection; the user protocol should be
# notified with the given reason (since TLS closed cleanly):
tlsProtocol.connectionLost(Failure(ConnectionLost("ono")))
self.assertTrue(protocol.disconnected.check(ConnectionLost))
self.assertEqual(protocol.disconnected.value.args, ("ono",))
