diff --git a/lib/middleware/debug.test.ts b/lib/middleware/debug.test.ts
new file mode 100644
index 0000000000..bf7071b1ce
--- /dev/null
+++ b/lib/middleware/debug.test.ts
@@ -0,0 +1,52 @@
+import { describe, expect, it, afterAll } from '@jest/globals';
+import supertest from 'supertest';
+import server from '@/index';
+import { load } from 'cheerio';
+
+process.env.NODE_NAME = 'mock';
+
+const request = supertest(server);
+let gitHash;
+try {
+    gitHash = require('git-rev-sync').short();
+} catch {
+    gitHash = (process.env.HEROKU_SLUG_COMMIT && process.env.HEROKU_SLUG_COMMIT.slice(0, 7)) || 'unknown';
+}
+
+afterAll(() => {
+    server.close();
+});
+
+describe('debug', () => {
+    it('debug', async () => {
+        const response1 = await request.get('/test/1');
+        const etag = response1.headers.etag;
+        await request.get('/test/1').set('If-None-Match', etag);
+        await request.get('/test/2');
+        await request.get('/test/empty');
+        await request.get('/test/empty');
+
+        const response = await request.get('/');
+
+        const $ = load(response.text);
+        $('.debug-item').each((index, item) => {
+            const key = $(item).find('.debug-key').html()?.trim();
+            const value = $(item).find('.debug-value').html()?.trim();
+            switch (key) {
+                case 'Node Name:':
+                    expect(value).toBe('mock');
+                    break;
+                case 'Git Hash:':
+                    expect(value).toBe(gitHash);
+                    break;
+                case 'Request Amount:':
+                    expect(value).toBe('6');
+                    break;
+                case 'ETag Matched:':
+                    expect(value).toBe('1');
+                    break;
+                default:
+            }
+        });
+    });
+});
diff --git a/test/middleware/debug.js b/test/middleware/debug.js
deleted file mode 100644
index 13900952d9..0000000000
--- a/test/middleware/debug.js
+++ /dev/null
@@ -1,64 +0,0 @@
-process.env.NODE_NAME = 'mock';
-
-const supertest = require('supertest');
-jest.mock('request-promise-native');
-const server = require('../../lib/index');
-const request = supertest(server);
-const cheerio = require('cheerio');
-let gitHash;
-try {
-    gitHash = require('git-rev-sync').short();
-} catch {
-    gitHash = (process.env.HEROKU_SLUG_COMMIT && process.env.HEROKU_SLUG_COMMIT.slice(0, 7)) || 'unknown';
-}
-
-afterAll(() => {
-    server.close();
-});
-
-describe('debug', () => {
-    it('debug', async () => {
-        const response1 = await request.get('/test/1').set('X-Forwarded-For', '233.233.233.233');
-        const etag = response1.headers.etag;
-        await request.get('/test/1').set('If-None-Match', etag).set('X-Forwarded-For', '233.233.233.233');
-        await request.get('/test/1').set('X-Forwarded-For', '233.233.233.234');
-        await request.get('/test/2').set('X-Forwarded-For', '233.233.233.233');
-        await request.get('/test/2').set('X-Forwarded-For', '233.233.233.234');
-        await request.get('/test/empty').set('X-Forwarded-For', '233.233.233.233');
-        await request.get('/test/empty').set('X-Forwarded-For', '233.233.233.234');
-
-        const response = await request.get('/').set('X-Forwarded-For', '233.233.233.233');
-
-        const $ = cheerio.load(response.text);
-        $('.debug-item').each((index, item) => {
-            const key = $(item).find('.debug-key').html().trim();
-            const value = $(item).find('.debug-value').html().trim();
-            switch (key) {
-                case 'Node Name:':
-                    expect(value).toBe('mock');
-                    break;
-                case 'Git Hash:':
-                    expect(value).toBe(gitHash);
-                    break;
-                case 'Request Amount:':
-                    expect(value).toBe('8');
-                    break;
-                case 'ETag Matched:':
-                    expect(value).toBe('1');
-                    break;
-                case 'Hot Routes:':
-                    expect(value).toBe('3  /test/:id<br>');
-                    break;
-                case 'Hot Paths:':
-                    expect(value).toBe('3  /test/1<br>2  /test/2<br>2  /test/empty<br>1  /<br>');
-                    break;
-                case 'Hot Error Routes:':
-                    expect(value).toBe('1  /test/:id<br>');
-                    break;
-                case 'Hot Error Paths:':
-                    expect(value).toBe('2  /test/empty<br>');
-                    break;
-            }
-        });
-    });
-});