Method handler

tests/test_web_websocket_functional.py:90–97

(request)

        @asyncio.coroutine
        def handler(request):
            ws = web.WebSocketResponse()
            yield from ws.prepare(request)
            msg = yield from ws.receive_str()
            ws.send_str(msg+'/answer')
            yield from ws.close()
            closed.set_result(1)
            return ws

        @asyncio.coroutine
        def go():