def test_reader_read_error():
server, client = socket.socketpair()
reader = connection.Reader(IOStream(server))
writer = connection.Writer(IOStream(client))
yield writer.put(messages.PingRequestMessage())
ping = yield reader.get()
assert isinstance(ping, messages.PingRequestMessage)
reader.io_stream.close()
future = reader.get()
with pytest.raises(StreamClosedError):
yield future
def test_writer_write_error():
server, client = socket.socketpair()
reader = connection.Reader(IOStream(server))
writer = connection.Writer(IOStream(client))
# one successful message first
yield writer.put(messages.PingRequestMessage())
ping = yield reader.get()
assert isinstance(ping, messages.PingRequestMessage)
writer.io_stream.close()
with pytest.raises(StreamClosedError):
yield writer.put(messages.PingResponseMessage())