feat(Next): Add jest test without server running

.gitignore

@@ -9,3 +9,5 @@ coverage
 tmp
 .env
 dist
+
+public/resized

app/.nvmrc

@@ -0,0 +1 @@
+14.16.0

app/__tests__/api/galleryList/index.js

@@ -1,17 +1,23 @@
-const fetch = require('node-fetch');
+import { createMocks } from 'node-mocks-http';
+
+import handleGalleryEndpoint from '../../../pages/api/galleryList';
 
 describe('Gallery API', () => {
   const utils = require('../../../../api/server/plugins/utils');
   const port = utils.config.get('nextPort');
 
   test('* Validate Gallery List route', async () => {
-    const endpoint = '/galleryList';
-    const url = `http://localhost:${port}/api${endpoint}`;
+    const { req, res } = createMocks({
+      method: 'GET',
+      query: {
+        animal: 'dog',
+      },
+    });
 
-    const response = await fetch(url);
-    expect(response.status).toBe(200);
+    await handleGalleryEndpoint(req, res);
+    expect(res._getStatusCode()).toBe(200);
 
-    const result = await response.json();
+    const result = JSON.parse(res._getData());
     expect(result.galleries.includes('demo')).toBeTruthy();
   });
 });

app/package.json

@@ -21,6 +21,7 @@
     "identity-obj-proxy": "^3.0.0",
     "jest": "^25.1.0",
     "node-fetch": "^2.6.1",
+    "node-mocks-http": "^1.10.1",
     "react-test-renderer": "^16.12.0"
   },
   "license": "MIT"