test: 백엔드 E2E 테스트 시간 단축

backend/package.json

@@ -19,7 +19,7 @@
     "test:watch": "jest --watch",
     "test:cov": "jest --coverage",
     "test:debug": "node --inspect-brk -r tsconfig-paths/register -r ts-node/register node_modules/.bin/jest --runInBand",
-    "test:e2e": "jest --config ./test/jest-e2e.json --runInBand"
+    "test:e2e": "jest --config ./test/jest-e2e.json"
   },
   "dependencies": {
     "@nestjs/common": "^10.0.0",
@@ -55,6 +55,7 @@
     "eslint-config-prettier": "^9.0.0",
     "eslint-plugin-prettier": "^5.0.0",
     "jest": "^29.5.0",
+    "portfinder": "^1.0.32",
     "prettier": "^3.0.0",
     "socket.io-client": "^4.7.5",
     "source-map-support": "^0.5.21",

backend/test/project/join-project.e2e-spec.ts

@@ -5,6 +5,7 @@ import {
   createMember,
   createProject,
   getProjectLinkId,
+  listenAppAndSetPortEnv,
   memberFixture,
   memberFixture2,
   projectPayload,
@@ -14,7 +15,7 @@ describe('Join Project', () => {
   beforeEach(async () => {
     await app.close();
     await appInit();
-    await app.listen(3000);
+    await listenAppAndSetPortEnv(app);
   });
 
   it('should return 201', async () => {

backend/test/project/ws-backlog-page/ws-epic.e2e-spec.ts

@@ -1,7 +1,7 @@
 import { LexoRank } from 'lexorank';
 import { resolve } from 'path';
 import { Socket } from 'socket.io-client';
-import { app, appInit } from 'test/setup';
+import { app, appInit, listenAppAndSetPortEnv } from 'test/setup';
 import {
   getMemberJoinedLandingPage,
   getTwoMemberJoinedLandingPage,
@@ -11,7 +11,7 @@ describe('WS epic', () => {
   beforeEach(async () => {
     await app.close();
     await appInit();
-    await app.listen(3000);
+	await listenAppAndSetPortEnv(app);
   });
 
   describe('epic create', () => {

backend/test/project/ws-backlog-page/ws-init-backlog.e2e-spec.ts

@@ -1,13 +1,13 @@
 import { LexoRank } from 'lexorank';
 import { Socket } from 'socket.io-client';
-import { app, appInit } from 'test/setup';
+import { app, appInit, listenAppAndSetPortEnv } from 'test/setup';
 import { getTwoMemberJoinedLandingPage } from '../ws-common';
 
 describe('WS epic', () => {
   beforeEach(async () => {
     await app.close();
     await appInit();
-    await app.listen(3000);
+    await listenAppAndSetPortEnv(app);
   });
 
   describe('backlog init', () => {

backend/test/project/ws-backlog-page/ws-story.e2e-spec.ts

@@ -1,6 +1,6 @@
 import { LexoRank } from 'lexorank';
 import { Socket } from 'socket.io-client';
-import { app, appInit } from 'test/setup';
+import { app, appInit, listenAppAndSetPortEnv } from 'test/setup';
 import {
   getMemberJoinedLandingPage,
   getTwoMemberJoinedLandingPage,
@@ -10,7 +10,7 @@ describe('WS story', () => {
   beforeEach(async () => {
     await app.close();
     await appInit();
-    await app.listen(3000);
+	await listenAppAndSetPortEnv(app);
   });
 
   describe('story create', () => {

backend/test/project/ws-backlog-page/ws-task.e2e-spec.ts

@@ -1,6 +1,6 @@
 import { LexoRank } from 'lexorank';
 import { Socket } from 'socket.io-client';
-import { app, appInit } from 'test/setup';
+import { app, appInit, listenAppAndSetPortEnv } from 'test/setup';
 import {
   getMemberJoinedLandingPage,
   getTwoMemberJoinedLandingPage,
@@ -10,7 +10,7 @@ describe('WS task', () => {
   beforeEach(async () => {
     await app.close();
     await appInit();
-    await app.listen(3000);
+    await listenAppAndSetPortEnv(app);
   });
 
   describe('task create', () => {

backend/test/project/ws-landing-page/ws-connection.e2e-spec.ts

@@ -5,20 +5,22 @@ import {
   createMember,
   createProject,
   githubApiService,
+  listenAppAndSetPortEnv,
   memberFixture,
   memberFixture2,
   projectPayload,
 } from 'test/setup';
 import { io } from 'socket.io-client';
 
 describe('WS landing', () => {
-  const serverUrl = 'http://localhost:3000/project';
+  let serverUrl;
   let socket;
 
   beforeEach(async () => {
     await app.close();
     await appInit();
-    await app.listen(3000);
+    await listenAppAndSetPortEnv(app);
+    serverUrl = `http://localhost:${process.env.PORT}/project`;
   });
 
   afterEach(async () => {

backend/test/project/ws-landing-page/ws-join-project.e2e-spec.ts

@@ -9,6 +9,7 @@ import {
   getProjectLinkId,
   memberFixture2,
   joinProject,
+  listenAppAndSetPortEnv,
 } from 'test/setup';
 import {
   emitJoinLanding,
@@ -23,7 +24,7 @@ describe('WS join project', () => {
   beforeEach(async () => {
     await app.close();
     await appInit();
-    await app.listen(3000);
+    await listenAppAndSetPortEnv(app);
   });
 
   it('should return joined member', async () => {

backend/test/project/ws-landing-page/ws-link.e2e-spec.ts

@@ -6,6 +6,7 @@ import {
   createProject,
   getProjectLinkId,
   joinProject,
+  listenAppAndSetPortEnv,
   memberFixture,
   memberFixture2,
   projectPayload,
@@ -23,7 +24,7 @@ describe('WS link', () => {
   beforeEach(async () => {
     await app.close();
     await appInit();
-    await app.listen(3000);
+    await listenAppAndSetPortEnv(app);
   });
   describe('link create', () => {
     it('should return created link data when received create link request', async () => {

backend/test/project/ws-landing-page/ws-memo.e2e-spec.ts

@@ -7,6 +7,7 @@ import {
   createProject,
   getProjectLinkId,
   joinProject,
+  listenAppAndSetPortEnv,
   memberFixture,
   memberFixture2,
   projectPayload,
@@ -23,7 +24,7 @@ describe('WS memo', () => {
   beforeEach(async () => {
     await app.close();
     await appInit();
-    await app.listen(3000);
+    await listenAppAndSetPortEnv(app);
   });
   describe('memo create', () => {
     it('should return created memo data when received create memo request', async () => {

backend/test/project/ws-landing-page/ws-project-landing-page.e2e-spec.ts

@@ -8,6 +8,7 @@ import {
   getMemberByAccessToken,
   getProjectLinkId,
   joinProject,
+  listenAppAndSetPortEnv,
   memberFixture,
   memberFixture2,
   projectPayload,
@@ -22,7 +23,7 @@ describe('WS landing', () => {
   beforeEach(async () => {
     await app.close();
     await appInit();
-    await app.listen(3000);
+    await listenAppAndSetPortEnv(app);
   });
 
   it('should return project landing page data', async () => {

backend/test/project/ws-landing-page/ws-update-member-status.e2e-spec.ts

@@ -9,6 +9,7 @@ import {
   getProjectLinkId,
   memberFixture2,
   joinProject,
+  listenAppAndSetPortEnv,
 } from 'test/setup';
 import {
   emitJoinLanding,
@@ -24,7 +25,7 @@ describe('WS update member status', () => {
   beforeEach(async () => {
     await app.close();
     await appInit();
-    await app.listen(3000);
+    await listenAppAndSetPortEnv(app);
   });
 
   it('should return updated member status', async () => {

backend/test/setup.ts

@@ -10,6 +10,8 @@ import { CreateProjectRequestDto } from 'src/project/dto/CreateProjectRequest.dt
 import { io } from 'socket.io-client';
 import { Member } from 'src/member/entity/member.entity';
 import { MemberService } from 'src/member/service/member.service';
+import * as portfinder from 'portfinder';
+import { v4 as uuidv4 } from 'uuid';
 
 export let app: INestApplication;
 export let githubApiService: GithubApiService;
@@ -126,12 +128,15 @@ export const joinProject = async (
 };
 
 export const connectServer = (projectId, accessToken) => {
-  const socket = io(`http://localhost:3000/project-${projectId}`, {
-    path: '/api/socket.io',
-    auth: {
-      accessToken,
+  const socket = io(
+    `http://localhost:${process.env.PORT}/project-${projectId}`,
+    {
+      path: '/api/socket.io',
+      auth: {
+        accessToken,
+      },
     },
-  });
+  );
   return socket;
 };
 
@@ -159,7 +164,48 @@ export const appInit = async () => {
   await app.init();
 };
 
+export const listenAppAndSetPortEnv = async (app) => {
+  let port = await portfinder.getPortPromise();
+  while (1) {
+    try {
+      await app.listen(port);
+      break;
+    } catch (error) {
+      if (error.code === 'EADDRINUSE') {
+        port = await portfinder.getPortPromise();
+      } else throw error;
+    }
+  }
+  process.env.PORT = port.toString();
+};
+
+const createDatabase = async (dbName: string) => {
+  const normalDataSource = getDataSource();
+  await normalDataSource.initialize();
+  await normalDataSource.query(`CREATE DATABASE \`${dbName}\`;`);
+  await normalDataSource.destroy();
+};
+
+const dropDatabase = async (dbName: string) => {
+  const normalDataSource = getDataSource();
+  await normalDataSource.initialize();
+  await normalDataSource.query(`DROP DATABASE IF EXISTS \`${dbName}\`;`);
+  await normalDataSource.destroy();
+};
+
+const getDataSource = () => {
+  return new DataSource({
+    type: 'mysql',
+    host: process.env.DATABASE_HOST,
+    port: +process.env.DATABASE_PORT,
+    username: process.env.DATABASE_USER,
+    password: process.env.DATABASE_PASSWORD,
+  });
+};
+
 beforeAll(async () => {
+  process.env.DATABASE_NAME = uuidv4();
+  await createDatabase(process.env.DATABASE_NAME);
   await appInit();
 });
 
@@ -176,4 +222,5 @@ beforeEach(async () => {
 
 afterAll(async () => {
   await app.close();
+  await dropDatabase(process.env.DATABASE_NAME);
 });