Fix user addition functionality with improved error handling

test_add_user_debug.js

@@ -0,0 +1,92 @@
+const http = require('http');
+
+// Create a new user with a timestamp to avoid conflicts
+const username = `testuser_${Date.now()}`;
+const postData = JSON.stringify({
+  username: username,
+  hash: '5e884898da28047151d0e56f8dc6292773603d0d6aabbdd62a11ef721d1542d8', // "password"
+  role: 'student'
+});
+
+console.log(`🧪 Testing addUser with username: ${username}`);
+
+const options = {
+  hostname: 'localhost',
+  port: 3001,
+  path: '/addUser',
+  method: 'POST',
+  headers: {
+    'Content-Type': 'application/json',
+    'Content-Length': Buffer.byteLength(postData)
+  }
+};
+
+const req = http.request(options, (res) => {
+  console.log(`🔍 Response Status: ${res.statusCode}`);
+  
+  let data = '';
+  res.on('data', (chunk) => {
+    data += chunk;
+  });
+  
+  res.on('end', () => {
+    if (res.statusCode === 200) {
+      console.log(`✅ Success: ${data}`);
+    } else {
+      console.log(`❌ Error: ${data}`);
+    }
+    
+    // Now try to verify the user was created by calling getUsers
+    verifyUserCreated(username);
+  });
+});
+
+req.on('error', (e) => {
+  console.error(`🔴 Request Error: ${e.message}`);
+});
+
+// Write data to request body
+req.write(postData);
+req.end();
+
+function verifyUserCreated(username) {
+  const verifyOptions = {
+    hostname: 'localhost',
+    port: 3001,
+    path: '/getUsers',
+    method: 'GET'
+  };
+  
+  const verifyReq = http.request(verifyOptions, (res) => {
+    let data = '';
+    res.on('data', (chunk) => {
+      data += chunk;
+    });
+    
+    res.on('end', () => {
+      try {
+        const users = JSON.parse(data);
+        const foundUser = users.find(u => u.username === username);
+        
+        if (foundUser) {
+          console.log(`✅ User ${username} was successfully created and verified`);
+        } else {
+          console.log(`❌ User ${username} was not found in the users list`);
+          console.log(`📋 Current users: ${users.map(u => u.username).join(', ')}`);
+        }
+        
+        process.exit(0);
+      } catch (e) {
+        console.error(`🔴 Error parsing users response: ${e.message}`);
+        process.exit(1);
+      }
+    });
+  });
+  
+  verifyReq.on('error', (e) => {
+    console.error(`🔴 Verification Error: ${e.message}`);
+    process.exit(1);
+  });
+  
+  verifyReq.end();
+}