What Are Plastics and Where Do They Come From?

__tests__/middleware.test.js

@@ -1,6 +1,6 @@
 // middleware.test.js
 const request = require('supertest');
-const app = require('./index'); // Adjust the path as needed to import your Express app
+const app = require('../index'); // Adjust the path as needed to import your Express app
 
 describe('Conditional Middleware Validation', () => {
   test('POST /validate-data with isValid=true should proceed and return 200', async () => {

index.js

@@ -0,0 +1,31 @@
+const express = require("express");
+const app = express();
+
+// app.use(validateRequestData);
+app.use(express.json())
+
+app.get("/", (req, res) => {
+  res.send("Save The Planet!");
+});
+
+//middleware
+function validateRequestData (req, res, next) {
+   console.log(req.body)
+    const data = req.body; // Access the request body
+    const { name, isValid } = data
+
+    // Check if the property exists and meets the condition
+    if (isValid) {
+      next();
+    } else {
+      res.status(400).json({ message: "invalid request data", isValid});
+    }
+
+  };
+
+//post route
+app.post("/validate-data", validateRequestData, (req, res) => {
+  res.status(200).json({ message: "data is valid"});
+});
+
+module.exports = app;