add changes

backend/test-user-model.js

@@ -0,0 +1,153 @@
+require('dotenv').config();
+const db = require('./models');
+const { User } = db;
+
+async function testUserModel() {
+  console.log('\n🧪 Testing User Model...\n');
+
+  try {
+    // Test 1: Create a test user
+    console.log('Test 1: Creating a test user...');
+    const testUser = await User.create({
+      username: 'testuser',
+      email: 'test@example.com',
+      password: 'password123',
+      role: 'user'
+    });
+    console.log('✅ User created successfully');
+    console.log('   - ID:', testUser.id);
+    console.log('   - Username:', testUser.username);
+    console.log('   - Email:', testUser.email);
+    console.log('   - Role:', testUser.role);
+    console.log('   - Password hashed:', testUser.password.substring(0, 20) + '...');
+    console.log('   - Password length:', testUser.password.length);
+
+    // Test 2: Verify password hashing
+    console.log('\nTest 2: Testing password hashing...');
+    const isPasswordHashed = testUser.password !== 'password123';
+    console.log('✅ Password is hashed:', isPasswordHashed);
+    console.log('   - Original: password123');
+    console.log('   - Hashed:', testUser.password.substring(0, 30) + '...');
+
+    // Test 3: Test password comparison
+    console.log('\nTest 3: Testing password comparison...');
+    const isCorrectPassword = await testUser.comparePassword('password123');
+    const isWrongPassword = await testUser.comparePassword('wrongpassword');
+    console.log('✅ Correct password:', isCorrectPassword);
+    console.log('✅ Wrong password rejected:', !isWrongPassword);
+
+    // Test 4: Test toJSON (password should be excluded)
+    console.log('\nTest 4: Testing toJSON (password exclusion)...');
+    const userJSON = testUser.toJSON();
+    const hasPassword = 'password' in userJSON;
+    console.log('✅ Password excluded from JSON:', !hasPassword);
+    console.log('   JSON keys:', Object.keys(userJSON).join(', '));
+
+    // Test 5: Test findByEmail
+    console.log('\nTest 5: Testing findByEmail...');
+    const foundUser = await User.findByEmail('test@example.com');
+    console.log('✅ User found by email:', foundUser ? 'Yes' : 'No');
+    console.log('   - Username:', foundUser.username);
+
+    // Test 6: Test findByUsername
+    console.log('\nTest 6: Testing findByUsername...');
+    const foundByUsername = await User.findByUsername('testuser');
+    console.log('✅ User found by username:', foundByUsername ? 'Yes' : 'No');
+
+    // Test 7: Test streak calculation
+    console.log('\nTest 7: Testing streak calculation...');
+    testUser.updateStreak();
+    console.log('✅ Streak updated');
+    console.log('   - Current streak:', testUser.currentStreak);
+    console.log('   - Longest streak:', testUser.longestStreak);
+    console.log('   - Last quiz date:', testUser.lastQuizDate);
+
+    // Test 8: Test accuracy calculation
+    console.log('\nTest 8: Testing accuracy calculation...');
+    testUser.totalQuestionsAnswered = 10;
+    testUser.correctAnswers = 8;
+    const accuracy = testUser.calculateAccuracy();
+    console.log('✅ Accuracy calculated:', accuracy + '%');
+
+    // Test 9: Test pass rate calculation
+    console.log('\nTest 9: Testing pass rate calculation...');
+    testUser.totalQuizzes = 5;
+    testUser.quizzesPassed = 4;
+    const passRate = testUser.getPassRate();
+    console.log('✅ Pass rate calculated:', passRate + '%');
+
+    // Test 10: Test unique constraints
+    console.log('\nTest 10: Testing unique constraints...');
+    try {
+      await User.create({
+        username: 'testuser', // Duplicate username
+        email: 'another@example.com',
+        password: 'password123'
+      });
+      console.log('❌ Unique constraint not working');
+    } catch (error) {
+      if (error.name === 'SequelizeUniqueConstraintError') {
+        console.log('✅ Unique username constraint working');
+      }
+    }
+
+    // Test 11: Test email validation
+    console.log('\nTest 11: Testing email validation...');
+    try {
+      await User.create({
+        username: 'invaliduser',
+        email: 'not-an-email', // Invalid email
+        password: 'password123'
+      });
+      console.log('❌ Email validation not working');
+    } catch (error) {
+      if (error.name === 'SequelizeValidationError') {
+        console.log('✅ Email validation working');
+      }
+    }
+
+    // Test 12: Test password update
+    console.log('\nTest 12: Testing password update...');
+    const oldPassword = testUser.password;
+    testUser.password = 'newpassword456';
+    await testUser.save();
+    const passwordChanged = oldPassword !== testUser.password;
+    console.log('✅ Password re-hashed on update:', passwordChanged);
+    const newPasswordWorks = await testUser.comparePassword('newpassword456');
+    console.log('✅ New password works:', newPasswordWorks);
+
+    // Cleanup
+    console.log('\n🧹 Cleaning up test data...');
+    await testUser.destroy();
+    console.log('✅ Test user deleted');
+
+    console.log('\n' + '='.repeat(60));
+    console.log('✅ ALL TESTS PASSED!');
+    console.log('='.repeat(60));
+    console.log('\nUser Model Summary:');
+    console.log('- ✅ User creation with UUID');
+    console.log('- ✅ Password hashing (bcrypt)');
+    console.log('- ✅ Password comparison');
+    console.log('- ✅ toJSON excludes password');
+    console.log('- ✅ Find by email/username');
+    console.log('- ✅ Streak calculation');
+    console.log('- ✅ Accuracy/pass rate calculation');
+    console.log('- ✅ Unique constraints');
+    console.log('- ✅ Email validation');
+    console.log('- ✅ Password update & re-hash');
+    console.log('\n');
+
+    process.exit(0);
+  } catch (error) {
+    console.error('\n❌ Test failed:', error.message);
+    if (error.errors) {
+      error.errors.forEach(err => {
+        console.error('   -', err.message);
+      });
+    }
+    console.error('\nStack:', error.stack);
+    process.exit(1);
+  }
+}
+
+testUserModel();