Function writeToEngine

packages/socket.io-adapter/test/index.ts:69–73

(payload, opts)

          id,
          client: {
            writeToEngine(payload, opts) {
              expect(payload).to.eql(["123"]);
              expect(opts.preEncoded).to.eql(true);
              ids.push(id);
            },
          },
        },
      ];