import { ColyseusTestServer, boot } from "@colyseus/testing";

// import your "arena.config.ts" file here.
import appConfig from "../src/arena.config";

describe("testing your Colyseus app", () => {
  let colyseus: ColyseusTestServer;

  beforeAll(async () => colyseus = await boot(appConfig));
  afterAll(async () => await colyseus.shutdown());

  beforeEach(async () => await colyseus.cleanup());

  it("connecting into a room", async() => {
    // `room` is the server-side Room instance reference.
    const room = await colyseus.createRoom("my_room", {});

    // `client1` is the client-side `Room` instance reference (same as JavaScript SDK)
    const client1 = await colyseus.connectTo(room);

    // make your assertions
    expect(client1.sessionId).toEqual(room.clients[0].sessionId);
  });
});

测试进行时, 遇到了报错:

问题解决
推测是由于 Redis 服务器在本地测试环境下造成兼容性问题.
目前的 workaround 是这样的:

修改代码传入 gameserver 而不是 config.ts, 然后测试就可以顺利进行.

此问题并不影响生产环境, 如果未来有官方更新的话会及时汇报.