test suit updated

test/version.api.test.js

@@ -0,0 +1,21 @@
+const request = require('supertest');
+const express = require('express');
+const versionRouter = require('../src/api/version');
+
+const app = express();
+app.use(versionRouter);
+
+describe('GET /version', () => {
+  it('should return JSON with badgedexVersion', async () => {
+    const res = await request(app).get('/version');
+    expect(res.statusCode).toBe(200);
+    expect(res.headers['content-type']).toMatch(/json/);
+    expect(res.body).toHaveProperty('badgedexVersion');
+    expect(typeof res.body.badgedexVersion).toBe('string');
+  });
+
+  it('should return a valid semver-like version string', async () => {
+    const res = await request(app).get('/version');
+    expect(res.body.badgedexVersion).toMatch(/^\d+\.\d+\.\d+/);
+  });
+});