더러운 서버 테스트코드 작성, yarn test

@@ -3,6 +3,7 @@
     "@types/chai": "^4.2.18",
     "@types/express": "^4.17.11",
     "@types/mocha": "^8.2.2",
+    "@types/mocha-steps": "^1.3.0",
     "@types/node": "^15.3.1",
     "@types/socket.io": "^3.0.2",
     "@types/socket.io-client": "^3.0.0",
@@ -10,6 +11,7 @@
     "chai": "^4.3.4",
     "express": "^4.17.1",
     "mocha": "^8.4.0",
+    "mocha-steps": "^1.3.0",
     "nodemon": "^2.0.7",
     "socket.io": "^4.1.2",
     "socket.io-client": "^4.1.2",
@@ -19,6 +21,6 @@
   },
   "scripts": {
     "start": "nodemon index.ts",
-    "test": "mocha -r ts-node/register ./**/*.test.ts"
+    "test": "mocha -r ts-node/register --require mocha-steps ./**/*.test.ts"
   }
 }

 import ioclient, { Socket } from "socket.io-client";
-import { MessageResponse, MessageType } from "./message/types";
+import {
+  LoginMessage,
+  MessageResponse,
+  MessageType,
+  RoomChatMessage,
+  RoomJoinMessage,
+  RoomLeaveMessage,
+  RoomListRequestMessage,
+  RoomUserUpdateMessage,
+} from "./message/types";
 import { expect } from "chai";
 import { Server } from "./Server";
+import { RoomDescription, RoomInfo } from "./room/types";
+import { response } from "express";
 
 describe("server", () => {
   const PORT = 3000;
 
   var server: Server;
-  var client: Socket;
+  var client1: Socket;
+  var client2: Socket;
 
   before((done) => {
-    client = ioclient(`http://localhost:${PORT}`);
-    client.on("connect", done);
+    let connected = 0;
+
+    client1 = ioclient(`http://localhost:${PORT}`);
+    client1.on("connect", () => ++connected == 2 && done());
+
+    client2 = ioclient(`http://localhost:${PORT}`);
+    client2.on("connect", () => ++connected == 2 && done());
 
     server = new Server(3000);
   });
 
   after(() => {
     server.close();
-    client.close();
+    client1.close();
+    client2.close();
+  });
+
+  var roomUserUpdateMessage: RoomUserUpdateMessage;
+  var roomChatMessage: RoomChatMessage;
+
+  step("register listeners", () => {
+    client1.on(
+      MessageType.ROOM_USER_UPDATE,
+      (message: RoomUserUpdateMessage) => {
+        roomUserUpdateMessage = message;
+      }
+    );
+
+    client1.on(MessageType.ROOM_CHAT, (message: RoomChatMessage) => {
+      roomChatMessage = message;
+    });
   });
 
-  it("login", (done) => {
-    client.emit(
+  step("login 1", (done) => {
+    client1.emit(
       MessageType.LOGIN,
-      { username: "guest" },
-      (response: MessageResponse) => {
+      new LoginMessage("guest1"),
+      (response: MessageResponse<undefined>) => {
         expect(response.ok).to.equals(true);
         done();
       }
     );
   });
+
+  step("login 2", (done) => {
+    client2.emit(
+      MessageType.LOGIN,
+      new LoginMessage("guest2"),
+      (response: MessageResponse<undefined>) => {
+        expect(response.ok).to.equals(true);
+        done();
+      }
+    );
+  });
+
+  var roomToJoin: string;
+
+  step("room list", (done) => {
+    client1.emit(
+      MessageType.ROOM_LIST_REQUEST,
+      new RoomListRequestMessage(),
+      (response: MessageResponse<RoomDescription[]>) => {
+        expect(response.ok).to.eq(true);
+        expect(response.result !== undefined).to.eq(true);
+        if (response.result) {
+          expect(response.result[0].name).to.eq("테스트 방 #1");
+          roomToJoin = response.result[0].uuid;
+        }
+        done();
+      }
+    );
+  });
+
+  step("room join 1", (done) => {
+    client1.emit(
+      MessageType.ROOM_JOIN,
+      new RoomJoinMessage(roomToJoin),
+      (response: MessageResponse<RoomInfo>) => {
+        expect(response.ok).to.eq(true);
+        expect(response.result !== undefined).to.eq(true);
+        if (response.result) {
+          expect(response.result.uuid).to.eq(roomToJoin);
+          expect(response.result.users.length).to.eq(1);
+          expect(response.result.users[0].username).to.eq("guest1");
+        }
+        done();
+      }
+    );
+  });
+
+  step("room join 2", (done) => {
+    client2.emit(
+      MessageType.ROOM_JOIN,
+      new RoomJoinMessage(roomToJoin),
+      (response: MessageResponse<RoomInfo>) => {
+        expect(response.ok).to.eq(true);
+        expect(response.result !== undefined).to.eq(true);
+        if (response.result) {
+          expect(response.result.uuid).to.eq(roomToJoin);
+          expect(response.result.users.length).to.eq(2);
+        }
+        done();
+      }
+    );
+  });
+
+  // TODO: RoomUserUpdateMessage가 아직 도착하지 않았는데 실행되는 경우
+  step("client 1 received user update", () => {
+    expect(roomUserUpdateMessage !== undefined).to.eq(true);
+    if (roomUserUpdateMessage) {
+      expect(roomUserUpdateMessage.state).to.eq("added");
+      expect(roomUserUpdateMessage.userdata.username).to.eq("guest2");
+    }
+  });
+
+  step("client 2 send chat", (done) => {
+    client2.emit(
+      MessageType.ROOM_CHAT,
+      new RoomChatMessage("Hello World"),
+      (response: MessageResponse<undefined>) => {
+        expect(response.ok).to.eq(true);
+        done();
+      }
+    );
+  });
+
+  step("client 1 received chat", () => {
+    expect(roomChatMessage !== undefined).to.eq(true);
+    if (roomChatMessage) {
+      expect(roomChatMessage.sender).to.eq("guest2");
+      expect(roomChatMessage.message).to.eq("Hello World");
+    }
+  });
+
+  step("client 2 leave", (done) => {
+    client2.emit(
+      MessageType.ROOM_LEAVE,
+      new RoomLeaveMessage(),
+      (response: MessageResponse<undefined>) => {
+        expect(response.ok).to.eq(true);
+        done();
+      }
+    );
+  });
+
+  step("client 1 received user update", () => {
+    expect(roomUserUpdateMessage !== undefined).to.eq(true);
+    if (roomUserUpdateMessage) {
+      expect(roomUserUpdateMessage.state).to.eq("removed");
+      expect(roomUserUpdateMessage.userdata.username).to.eq("guest2");
+    }
+  });
 });

@@ -73,7 +73,14 @@
   resolved "https://registry.yarnpkg.com/@types/mime/-/mime-1.3.2.tgz#93e25bf9ee75fe0fd80b594bc4feb0e862111b5a"
   integrity sha512-YATxVxgRqNH6nHEIsvg6k2Boc1JHI9ZbH5iWFFv/MTkchz3b1ieGDa5T0a9RznNdI0KhVbdbWSN+KWWrQZRxTw==
 
-"@types/mocha@^8.2.2":
+"@types/mocha-steps@^1.3.0":
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/@types/mocha-steps/-/mocha-steps-1.3.0.tgz#3086c74675f45359c514f80c5090f9bac23097aa"
+  integrity sha512-hI0P9rS20BhHSXWTqLYcRYy6PGYk9vMZFNX7UF0ZWUrDMuqawtVRuTkYq7rG25sBSpL28BZggABBecFDK6ZZyg==
+  dependencies:
+    "@types/mocha" "*"
+
+"@types/mocha@*", "@types/mocha@^8.2.2":
   version "8.2.2"
   resolved "https://registry.yarnpkg.com/@types/mocha/-/mocha-8.2.2.tgz#91daa226eb8c2ff261e6a8cbf8c7304641e095e0"
   integrity sha512-Lwh0lzzqT5Pqh6z61P3c3P5nm6fzQK/MMHl9UKeneAeInVflBSz1O2EkX6gM6xfJd7FBXBY5purtLx7fUiZ7Hw==
@@ -1103,6 +1110,11 @@ minimist@^1.2.0:
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.5.tgz#67d66014b66a6a8aaa0c083c5fd58df4e4e97602"
   integrity sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==
 
+mocha-steps@^1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/mocha-steps/-/mocha-steps-1.3.0.tgz#2449231ec45ec56810f65502cb22e2571862957f"
+  integrity sha512-KZvpMJTqzLZw3mOb+EEuYi4YZS41C9iTnb7skVFRxHjUd1OYbl64tCMSmpdIRM9LnwIrSOaRfPtNpF5msgv6Eg==
+
 mocha@^8.4.0:
   version "8.4.0"
   resolved "https://registry.yarnpkg.com/mocha/-/mocha-8.4.0.tgz#677be88bf15980a3cae03a73e10a0fc3997f0cff"